gcc/ChangeLog

   1 2010-11-01  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR target/45250
   4         * var-tracking.c (cfa_base_rtx): Move definition earlier in the file.
   5         (cfa_base_offset): New variable.
   6         (compute_cfa_pointer): Use cfa_base_rtx and cfa_base_offset.
   7         (adjust_mems): Don't do any sp or hfp replacements if cfa_base_rtx
   8         is NULL.
   9         (vt_init_cfa_base): Initialize cfa_base_offset.
  10
  11 2010-11-01  Alan Modra  <amodra@gmail.com>
  12
  13         PR target/46030
  14         * config/rs6000/rs6000.c (struct rs6000_stack): Add reload_completed
  15         and savres_strategy.
  16         (stack_info): New file scope var.
  17         (rs6000_init_machine_status): Init stack_info.
  18         (SAVRES_INLINE_FPRS, SAVRES_INLINE_GPRS,
  19         SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
  20         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): Replace with..
  21         (SAVE_INLINE_FPRS, SAVE_INLINE_GPRS, REST_INLINE_FPRS, REST_INLINE_GPRS,
  22         SAVE_NOINLINE_GPRS_SAVES_LR, SAVE_NOINLINE_FPRS_SAVES_LR
  23         REST_NOINLINE_FPRS_DOESNT_RESTORE_LR): ..this.  Update all refs.
  24         (rs6000_savres_strategy): Rewrite.
  25         (rs6000_stack_info): Use "stack_info" in place of local "info".
  26         Return cached stack info when reload_completed unless ENABLE_CHECKING
  27         in which case confirm newly calculated stack info matches old info.
  28         Delay calculation of lr_save_p, set it for out of line gp save/restore
  29         as well as fp.  Call rs6000_savres_strategy from here..
  30         (rs6000_emit_prologue, rs6000_emit_epilogue): ..rather than here.
  31         (rs6000_output_function_prologue): Use info->savres_strategy to
  32         determine whether fp save/restore externs need to be emitted.
  33
  34 2010-10-31  Jason Merrill  <jason@redhat.com>
  35
  36         * tree.h (EXPR_LOC_OR_HERE): New macro.
  37         * builtins.c (c_strlen): Use it.
  38         * c-decl.c (build_enumerator): Likewise.
  39         * gimplify.c (internal_get_tmp_var): Likewise.
  40         (shortcut_cond_expr): Likewise.
  41         (gimplify_one_sizepos): Likewise.
  42
  43 2010-10-31  Richard Henderson  <rth@redhat.com>
  44
  45         * config/i386/cygming.h (TARGET_SEH): New.
  46         (MAX_STACK_ALIGNMENT): New.  Disable alignment for SEH.
  47         (TARGET_ASM_UNWIND_EMIT, TARGET_ASM_UNWIND_EMIT_BEFORE_INSN,
  48         TARGET_ASM_FUNCTION_END_PROLOGUE, SUBTARGET_ASM_UNWIND_INIT): New.
  49         (TARGET_OS_CPP_BUILTINS): Define __SEH__ as needed.
  50         (ASM_DECLARE_FUNCTION_NAME): Use i386_pe_start_function.
  51         (ASM_DECLARE_FUNCTION_SIZE): New.
  52         * config/i386/i386-protos.h: Update.
  53         * config/i386/i386.c (ix86_option_override_internal): Enable
  54         flag_unwind_tables with flag_asynchronous_unwind_tables immediately;
  55         restrict -mpreferred-stack-boundary for SEH; enable flag_fentry.
  56         (ix86_asm_output_function_label): Use SUBTARGET_ASM_UNWIND_INIT.
  57         (ix86_compute_frame_layout): For SEH, disable
  58         use_fast_prologue_epilogue, move frame pointer to the end of
  59         the frame.  Initialize hfp_save_offset.
  60         (ix86_expand_prologue): Honor hfp_save_offset.  Emit blockage
  61         at end of prologue for SEH.
  62         (ix86_expand_epilogue): For SEH, use pops, emit a nop if needed,
  63         emit blockage at beginning of epilogue.
  64         (ix86_expand_binary_operator): After reload, emit LEA if needed.
  65         (ix86_output_call_insn): New.
  66         * config/i386/i386.h (TARGET_SEH): New.
  67         (struct machine_function): Add member seh.
  68         * config/i386/i386.md (all call patterns): Use ix86_output_call_insn.
  69         * config/i386/winnt.c (struct seh_frame_state): New.
  70         (i386_pe_seh_init, i386_pe_seh_end_prologue, i386_pe_seh_fini,
  71         seh_emit_push, seh_emit_save, seh_emit_stackalloc, seh_cfa_adjust_cfa,
  72         seh_cfa_offset, seh_frame_related_expr, i386_pe_seh_unwind_emit,
  73         i386_pe_start_function, i386_pe_end_function): New.
  74
  75         * dwarf2out.c (dwarf2out_frame_debug_expr): Accept CFA as well
  76         as CFA_STORE in rules 12 and 13.
  77
  78 2010-10-31  Uros Bizjak  <ubizjak@gmail.com>
  79
  80         PR tree-optimization/46142
  81         * tree-vect-stmts.c (vectorizable_call): Enlarge dt array to
  82         accommodate third function argument.
  83
  84 2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
  85
  86         * tree-ssa-loop-im.c (rewrite_reciprocal): Use build_one_cst.
  87
  88 2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
  89
  90         * fold-const.c (build_zero_vector): Use build_vector_from_val.
  91         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
  92         (get_initial_def_for_reduction): Likewise.
  93         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
  94         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Likewise.
  95         * tree.c (build_one_cst): Likewise.
  96         (build_vector_from_val): Use types_compatible_p for assert.
  97
  98 2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
  99
 100         * emit-rtl.c (mark_used_flags): New function.
 101         (set_used_flags, reset_used_flags): Call it.
 102
 103 2010-10-30  Uros Bizjak  <ubizjak@gmail.com>
 104
 105         PR middle-end/44569
 106         * lower-suberg.c (simplify_subreg_concatn): For VOIDmode elements,
 107         determine the mode of a subreg by GET_MODE_INNER of CONCATN RTX.
 108
 109 2010-10-30  H.J. Lu  <hongjiu.lu@intel.com>
 110
 111         PR target/46195
 112         * config/i386/i386.c (contains_aligned_value_p): Renamed to ...
 113         (ix86_compat_aligned_value_p): This.
 114         (ix86_old_function_arg_boundary): Renamed to ...
 115         (ix86_compat_function_arg_boundary): This.  Updated.
 116         (ix86_contains_aligned_value_p): New.
 117         (ix86_function_arg_boundary): Align long double parameters on
 118         stack to 4byte in 32bit.
 119
 120 2010-10-30  Nicola Pero  <nicola.pero@meta-innovation.com>
 121
 122         Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
 123         * c-parser.c (c_parser_objc_at_property_declaration): Removed
 124         parsing of RID_COPIES and RID_IVAR.  Updated call to
 125         objc_add_property_declaration.
 126         * c-typecheck.c (build_component_ref): Call
 127         objc_maybe_build_component_ref instead of objc_build_setter_call.
 128         Use objc_is_property_ref to improve Objective-C checks.
 129         (cp_build_modify_expr): Call objc_maybe_build_modify_expr instead
 130         of objc_build_getter_call.
 131
 132 2010-10-29  Paul Koning  <ni1d@arrl.net>
 133
 134         * doc/tm.texi.in (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
 135         REGNO_MODE_OK_FOR_REG_BASE, REGNO_MODE_CODE_OK_FOR_BASE_P,
 136         REGNO_OK_FOR_INDEX_P): Delete non-strict variant.
 137         (REG_OK_STRICT): Move description.
 138
 139 2010-10-29  Paul Koning  <ni1d@arrl.net>
 140
 141         * config/pdp11/pdp11.md (*and<mode>): Rename to *bic<mode>.
 142
 143 2010-10-29  Paul Koning  <ni1d@arrl.net>
 144
 145         * config/pdp11/pdp11.md (divhi3, modhi3, divmodhi3): Fix ICE.
 146
 147 2010-10-29  Paul Koning  <ni1d@arrl.net>
 148
 149         PR/41822
 150         * config/pdp11/pdp11.md (andhi3, andqi3): Fix wrong code error.
 151
 152 2010-10-29  Richard Henderson  <rth@redhat.com>
 153
 154         PR rtl-opt/46226
 155         * stmt.c (expand_asm_operands): Call do_pending_stack_adjust
 156         for asm goto.
 157
 158 2010-10-29  Paul Koning  <ni1d@arrl.net>
 159
 160         * config/pdp11/pdp11.c (output_move_quad): Fix ICE for CPU
 161         register to register move.
 162
 163 2010-10-29  Paul Koning  <ni1d@arrl.net>
 164
 165         * config/pdp11/pdp11.c (print_operand_address): Correct handling
 166         of integer constant addresses, delete vax-only logic.
 167
 168 2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>
 169
 170         * config/picochip/picochip.c (picochip_is_short_branch): Simplify
 171         a conditional expression.
 172
 173 2010-10-29  Paul Koning  <ni1d@arrl.net>
 174
 175         * config/pdp11/pdp11.c (pdp11_trampoline_init): Correct
 176         instruction encoding.
 177
 178 2010-10-29  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
 179         Andrew Pinski <pinskia@gmail.com>
 180
 181         * tree.h (build_vector_from_val): Declare.
 182         * tree.c (build_vector_from_val): New function.
 183         * c-typeck.c (build_binary_op): Handle vector shifting.
 184         * doc/extend.texi: Description of the vector shifting operation.
 185
 186 2010-10-29  Paul Koning  <pkoning@equallogic.com>
 187
 188         * config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class,
 189         pdp11_secondary_memory_needed): Declare.
 190         * config/pdp11/predicates.md (float_operand): New predicate.
 191         * config/pdp11/pdp11.md (RETVAL_REGNUM): New constant.
 192         (cbranchdf4, movdf): Change predicate.
 193         (movsf): Handle FPU register case.
 194         (truncdfsf2, extendsfdf2): Add FPU register case.
 195         * config/pdp11/pdp11.c (TARGET_SECONDARY_RELOAD,
 196         TARGET_REGISTER_MOVE_COST, TARGET_PREFERRED_RELOAD_CLASS,
 197         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 198         (pdp11_register_move_cost): Update cost matrix.
 199         (pdp11_cannot_change_mode_class, pdp11_preferred_reload_class,
 200         pdp11_preferred_output_reload_class, pdp11_secondary_reload,
 201         pdp11_secondary_memory_needed): New function.
 202         (pdp11_return_in_memory): Add other float types.
 203         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Add other float types.
 204         (SECONDARY_MEMORY_NEEDED, CANNOT_CHANGE_MODE_CLASS): Define.
 205         (PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS,
 206         REGISTER_MOVE_COST): Delete.
 207         (BASE_RETURN_VALUE_REG): Add other float types.
 208
 209 2010-10-29  Nick Clifton<nickc@redhat.com>
 210
 211         * doc/invoke.texi: Document -mam34 and -mtune options.
 212         * config/mn10300/mn10300.c (mn10300_tune_string): New variable.
 213         (mn10300_tune_cpu): New variable.
 214         (mn10300_handle_option): Handle -mam34 and -mtune options.
 215         (mn10300_option_override): Convert tune string into tune cpu variable.
 216         (mn10300_legitimate_constant_p): Delete unused local variable.
 217         (is_load_insn): New function.
 218         (is_store_insn): New function.
 219         (mn10300_adjust_schedule_cost): New function.
 220         (TARGET_SCHED_ADJUST_COST): Define.
 221         * config/mn10300/mn10300.opt (mam34): New option.
 222         (mtune): New option.
 223         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add AM34 support.
 224         (enum processor_type): Add AM34.
 225         (TARGET_AM34): Define.
 226         * config/mn10300/mn10300.md (attr cpu): Add am34.
 227         Add pipeline description.
 228         (movqi, movhi, movsi, movsf, movdf, movdi): Fix predicates.
 229         Remove unneeded alternatives.  Add timing attribute.
 230         (pop_pic_reg, am33_addsi3, mn10300_addsi3, am33_subsi3,
 231         mn10300_subsi3, mulsidi3, umulsidi3, am33_mulsi3,
 232         mn10300_mulsi3, udivmodsi4_am33, divmodsi4, am33_andsi3,
 233         mn10300_andsi3, am33_iorsi3, mn10300_iorsi3, am33_xorsi3,
 234         mn10300_xorsi3, byte_clear, byte_set, bit_clear1, bit_clear2,
 235         bit_set, am33_iorqi3, mn10300_iorqi3, test_byte_bitfield,
 236         bit_test, subreg_bit_test, cmpsi, am33_cmpsf, am33_subsi3,
 237         float_conditional_branch, jump, indirect_jump, tablejump,
 238         call_internal, call_value_internal, zero_extendqisi2_am33,
 239         zero_extendqisi2_mn10300, zero_extendhisi2_am33,
 240         zero_extendhisi2_mn10300, extendqisi2_am33, extendqisi2_mn10300,
 241         extendhisi2_am33, extendhisi2_mn10300, am33_ashlsi3,
 242         mn10300_ashlsi3, am33_lshrsi3, mn10300_lshrsi3, am33_ashrisi3,
 243         mn10300_ashrsi3, abssf2_am33_2, negsf2_am33_2, rsqrtsf2,
 244         addsf3_internal, subsf3_internal, mulsf3_internal, divsf3,
 245         fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4, return_internal,
 246         return_internal_regs, store_movm, return, call_next_insn):
 247         Add timing attribute.
 248         (am33_subsi3): Add missing clobber of CC_REG.
 249         (am33_andsi3, mn10300_andsi3): Fix compile time warnings.
 250         (udivmodsi4, udivmodsi4_insn, divmodsi4, test_byte_bitfield,
 251         subreg_bit_test, zero_extendqisi2, zero_extendhisi2,
 252         extendqisi2): Fix predicates.
 253         (call_internal, call_internal_value): Separate alternatives.
 254         * config/mn10300/t-mn10300: Add AM34 multilib.
 255
 256 2010-10-29  Paolo Bonzini  <bonzini@gnu.org>
 257
 258         * config/sh/sh.c (sh_promote_function_mode): Use
 259         default_promote_function_mode if !sh_promote_prototypes.
 260
 261 2010-10-28  Paolo Bonzini  <bonzini@gnu.org>
 262
 263         * recog.c (split_all_insns): Remove dead code.
 264
 265 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 266
 267         * config/microblaze/microblaze-protos.h (function_arg): Delete.
 268         (function_arg_advance): Delete.
 269         * config/microblaze/microblaze.h (FUNCTION_ARG_ADVANCE): Delete.
 270         (FUNCTION_ARG): Delete.
 271         * config/microblaze/microblaze.c (function_arg_advance): Rename to...
 272         (microblaze_function_arg_advance): ...this.  Make static.  Take a
 273         const_tree and a bool.
 274         (function-arg): Rename to...
 275         (microblaze_function_arg): ...this.  Make static.  Take a const_tree
 276         and a bool.
 277         (microblaze_expand_prologue): Call targetm.calls.function_arg and
 278         targetm.calls.function_arg_advance.
 279         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 280
 281 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 282
 283         * score.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 284
 285 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 286
 287         * config/cris/cris.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Delete.
 288         (FUNCTION_ARG_ADVANCE): Delete.
 289         * config/cris/cris.c (cris_function_arg_1, cris_function_arg): New
 290         functions.
 291         (cris_function_incoming_arg, cris_function_arg_advance): New functions.
 292         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
 293         (TARGET_FUNCTION_ARG_ADVANCE): Define.
 294
 295 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 296
 297         * config/lm32/lm32-protos.h (lm32_function_arg): Delete.
 298         * config/lm32/lm32.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 299         * config/mcore/mcore.c (mcore_function_arg): Declare.  Make static.
 300         Take a const_tree and a bool.
 301         (mcore_function_arg_advance): New function.
 302         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 303
 304 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 305
 306         * config/mcore/mcore-protos.h (mcore_function_arg): Delete.
 307         * config/mcore/mcore.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 308         * config/mcore/mcore.c (mcore_function_arg): Declare.  Make static.
 309         Take a const_tree and a bool.
 310         (mcore_function_arg_advance): New function.
 311         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 312
 313 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 314
 315         * config/h8300/h8300-protos.h (function_arg): Delete.
 316         * config/h8300/h8300.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 317         * config/h8300/h8300.c (function_arg): Rename to...
 318         (h8300_function_arg): ...this.  Make static.  Take a const_tree and
 319         a bool.
 320         (h8300_function_arg_advance): New function.
 321         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 322
 323 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 324
 325         * config/arc/arc.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move code
 326         to...
 327         * config/arc/arc.c (arc_function_arg): ...here and...
 328         (arc_function_arg_advance): ...here.  New functions.
 329         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 330
 331 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 332
 333         * config/crx/crx-protos.h (crx_function_arg): Delete.
 334         (crx_function_arg_advance): Delete.
 335         * config/crx/crx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 336         * config/crx/crx.c (crx_function_arg): Make static.  Take a
 337         const_tree and a bool.
 338         (crx_function_arg_advance): Make static.  Take a const_tree and a bool.
 339         (enough_regs_for_param): Take a const_tree.
 340         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 341
 342 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 343
 344         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg): Delete.
 345         (m68hc11_function_arg_advance): Delete.
 346         * config/m68hc11/m68hc11.h (FUNCTION_ARG): Delete.
 347         (FUNCTION_ARG_ADVANCE): Delete.
 348         * config/m68hc11/m68hc11.c (m68hc11_function_arg): Make static.
 349         Take a const_tree and a bool.
 350         (m68hc11_function_arg_advance): Likewise.
 351         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 352
 353 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 354
 355         * config/stormy16/stormy16-protos.h (xstormy16_function_arg): Delete.
 356         (xstormy16_function_arg_advance): Delete.
 357         * config/stormy16/stormy16.h (FUNCTION_ARG): Delete.
 358         (FUNCTION_ARG_ADVANCE): Delete.
 359         * config/stormy16/stormy16.c (xstormy16_function_arg): Make static.
 360         Take a const_tree and a bool.
 361         (xstormy16_function_arg_advance): Likewise.  Return void, updating
 362         the CUM parameter instead.
 363         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 364
 365 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 366
 367         * config/moxie/moxie-protos.h (moxie_function_arg): Delete.
 368         * config/moxie/moxie.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 369         (MOXIE_FUNCTION_ARG_SIZE): Move to...
 370         * config/moxie/moxie.c (MOXIE_FUNCTION_ARG_SIZE): ...here.
 371         (moxie_function_arg): Make static.  Take a const_tree and a bool.
 372         (moxie_function_arg_advance): New function.
 373         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 374
 375 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 376
 377         * config/mn10300/mn10300-protos.h (function_arg): Delete.
 378         * config/mn10300/mn10300.h (FUNCTION_ARG): Delete.
 379         (FUNCTION_ARG_ADVANCE): Delete.
 380         * config/mn10300/mn10300.c (function_arg): Rename to...
 381         (mn10300_function_arg): ...this.  Make static.  Take a const_tree
 382         and a bool.
 383         (mn10300_function_arg_advance): New function.
 384         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 385
 386 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 387
 388         * config/iq2000/iq2000-protos.h (function_arg): Delete.
 389         (function_arg_advance): Delete.
 390         * config/iq2000/iq2000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 391         * config/iq2000/iq2000.c (function_arg): Rename to...
 392         (iq2000_function_arg): ...this.  Make static.  Take a const_tree and
 393         a bool.
 394         (function_arg_advance): Rename to...
 395         (iq2000_function_arg_advance): ...this.  Make static.  Take a
 396         const_tree and a bool.
 397         (iq2000_expand_prologue): Call iq2000_function_arg_advance and
 398         iq2000_function_arg.
 399         (iq2000_pass_by_reference): Call iq2000_function_arg).
 400         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 401
 402 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 403
 404         * config/fr30/fr30-protos.h (fr30_num_arg_regs): Delete.
 405         * config/fr30/fr30.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 406         * config/fr30/fr30.c (fr30_num_arg_regs): Make static.  Take a
 407         const_tree.
 408         (fr30_function_arg): New function.
 409         (fr30_function_arg_advance): New function.
 410         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
 411
 412 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
 413
 414         * config/frv/frv-protos.h (frv_function_arg): Delete.
 415         (frv_function_arg_advance): Delete.
 416         * config/frv/frv.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
 417         * config/frv/frv.c (frv_function_arg): Rename to...
 418         (frv_function_arg_1): Make static.  Take const_tree and bool arguments.
 419         (frv_function_arg, frv_function_incoming_arg): New functions.
 420         (frv_function_arg_advance): Make static.  Take a const_tree and a bool.
 421         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
 422         (TARGET_FUNCTION_ARG_ADVANCE): Define.
 423
 424 2010-10-28  Uros Bizjak  <ubizjak@gmail.com>
 425
 426         PR target/46153
 427         * config/i386/sse.md (sse_movhlps_exp): Use destination
 428         returned from ix86_fixup_binary_operands to expand insn.
 429         (sse_movlhps_exp): Ditto.
 430         (sse_loadhps_exp): Ditto.
 431         (sse_loadlps_exp): Ditto.
 432         (sse2_loadhpd_exp): Ditto.
 433         (sse2_loadlpd_exp): Ditto.
 434
 435 2010-10-28  Andrew Stubbs  <ams@codesourcery.com>
 436
 437         * config/arm/arm.c (const_ok_for_arm): Support 0xXY00XY00 pattern
 438         constants in thumb2.
 439
 440 2010-10-28  Eric Botcazou  <ebotcazou@adacore.com>
 441
 442         * combine.c (set_nonzero_bits_and_sign_copies): Use unsigned
 443         arithmetics in masking operations.
 444         (contains_muldiv): Likewise.
 445         (try_combine): Likewise.
 446         (find_split_point): Likewise.
 447         (combine_simplify_rtx): Likewise.
 448         (simplify_if_then_else): Likewise.
 449         (simplify_set): Likewise.
 450         (expand_compound_operation): Likewise.
 451         (expand_field_assignment): Likewise.
 452         (make_extraction): Likewise.
 453         (extract_left_shift): Likewise.
 454         (make_compound_operation): Likewise.
 455         (force_to_mode): Likewise.
 456         (make_field_assignment): Likewise.
 457         (reg_nonzero_bits_for_combine): Likewise.
 458         (simplify_shift_const_1): Likewise.
 459         (simplify_comparison): Likewise.
 460
 461 2010-10-27  Nathan Froyd  <froydnj@codesourcery.com>
 462
 463         * config/ia64/ia64-protos.h (ia64_function_arg): Delete.
 464         (ia64_function_arg_advance): Delete.
 465         * config/ia64/ia64.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Delete.
 466         (FUNCTION_ARG_ADVANCE): Delete.
 467         * config/ia64/ia64.c (ia64_function_arg): Rename to...
 468         (ia64_function_arg_1): ...this.  Make static.  Take const_tree and
 469         bool arguments.
 470         (ia64_function_arg, ia64_function_incoming_arg): New functions.
 471         (ia64_function_arg_advance): Make static.  Take a const_tree and
 472         a bool.
 473         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
 474         (TARGET_FUNCTION_ARG_ADVANCE): Define.
 475
 476 2010-10-27  Steve Ellcey  <sje@cup.hp.com>
 477
 478         * doc/tm.texi.in (TARGET_GET_RAW_RESULT_MODE): New.
 479         (TARGET_GET_RAW_ARG_MODE): New.
 480         * doc/tm.texi: Regenerate.
 481         * target.def (get_raw_result_mode): New.
 482         (get_raw_arg_mode): New.
 483         * targhooks.c (default_get_reg_raw_mode): New.
 484         * targhooks.h (default_get_reg_raw_mode): New.
 485         * builtins.c (apply_args_size): Use targetm.calls.get_raw_arg_mode.
 486         (apply_result_size): Ditto.
 487         * config/ia64/ia64.c (ia64_get_reg_raw_mode): New.
 488         (TARGET_GET_RAW_RESULT_MODE): Define.
 489         (TARGET_GET_RAW_ARG_MODE): Ditto.
 490
 491 2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>
 492
 493         * config/sparc/sol2-unwind.h (sparc64_fallback_frame_state): Adjust
 494         for newer Solaris 10 release.
 495         (sparc_fallback_frame_state): Likewise.
 496
 497 2010-10-27  Jason Merrill  <jason@redhat.com>
 498
 499         * gimplify.c (gimplify_decl_expr): Handle anonymous artificial
 500         variables sooner.
 501
 502 2010-10-27  Jie Zhang  <jie@codesourcery.com>
 503             Maxim Kuvyrkov  <maxim@codesourcery.com>
 504
 505         * haifa-sched.c (ISSUE_POINTS): Remove.
 506         (max_issue): Don't issue more than issue_rate instructions.
 507
 508 2010-10-27  Ian Lance Taylor  <iant@google.com>
 509
 510         PR target/46197
 511         * config/i386/i386.md (UNSPECV_SPLIT_STACK_RETURN): New.
 512         (split_stack_return): Replace UNSPEC_STACK_CHECK with
 513         UNSPECV_SPLIT_STACK_RETURN.
 514
 515 2010-10-27  H.J. Lu  <hongjiu.lu@intel.com>
 516
 517         * config/i386/i386-protos.h (init_cumulative_args): Add an int.
 518
 519         * config/i386/i386.c (block_info): New.
 520         (BLOCK_INFO): Likewise.
 521         (call_avx256_state): Likewise.
 522         (check_avx256_stores): Likewise.
 523         (move_or_delete_vzeroupper_2): Likewise.
 524         (move_or_delete_vzeroupper_1): Likewise.
 525         (move_or_delete_vzeroupper): Likewise.
 526         (use_avx256_p): Likewise.
 527         (function_pass_avx256_p): Likewise.
 528         (flag_opts): Add -mvzeroupper.
 529         (ix86_option_override_internal): Turn on MASK_VZEROUPPER by
 530         default for TARGET_AVX.  Turn off MASK_VZEROUPPER if TARGET_AVX
 531         is disabled.
 532         (ix86_function_ok_for_sibcall): Disable sibcall if we need to
 533         generate vzeroupper.
 534         (init_cumulative_args): Add an int to indicate caller.  Set
 535         use_avx256_p, callee_return_avx256_p and caller_use_avx256_p
 536         based on return type.
 537         (ix86_function_arg): Set use_avx256_p, callee_pass_avx256_p and
 538         caller_pass_avx256_p based on argument type.
 539         (ix86_expand_epilogue): Emit vzeroupper if 256bit AVX register
 540         is used, but not returned by caller.
 541         (ix86_expand_call): Emit vzeroupper if 256bit AVX register is used.
 542         (ix86_local_alignment): Set use_avx256_p if 256bit AVX register
 543         is used.
 544         (ix86_minimum_alignment): Likewise.
 545         (ix86_expand_special_args_builtin): Set target to
 546         GEN_INT (vzeroupper_intrinsic) for CODE_FOR_avx_vzeroupper.
 547         (ix86_reorg): Run the vzeroupper optimization if needed.
 548
 549         * config/i386/i386.h (ix86_args): Add caller.
 550         (INIT_CUMULATIVE_ARGS): Updated.
 551         (machine_function): Add use_vzeroupper_p, use_avx256_p,
 552         caller_pass_avx256_p, caller_return_avx256_p,
 553         callee_pass_avx256_p and callee_return_avx256_p.
 554
 555         * config/i386/i386.opt (-mvzeroupper): New.
 556
 557         * config/i386/predicates.md (vzeroupper_operation): Removed.
 558
 559         * config/i386/sse.md (avx_vzeroupper): Removed.
 560         (*avx_vzeroupper): Removed.
 561         (avx_vzeroupper): New.
 562
 563         * doc/invoke.texi: Document -mvzeroupper.
 564
 565 2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>
 566
 567         * config/i386/t-mingw32 (SHLIB_LC): Add -lmingwthrd.
 568         * config/i386/t-mingw-w32 (SHLIB_LC): Likewise.
 569         * config/i386/t-mingw-w64 (SHLIB_LC): Likewise.
 570
 571 2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>
 572             Olivier Hainque  <hainque@adacore.com>
 573
 574         * config/i386/w32-unwind.h (i386_w32_fallback_frame_state): Fix regnum
 575         of EBP.  Do not restore reg #9.  Remove +1 adjustment to EIP and set
 576         fs->signal_frame instead.
 577
 578 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
 579
 580         * c-parser.c (cp_parser_objc_at_property_declaration): Removed
 581         parsing of RID_COPIES and RID_IVAR.
 582
 583 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
 584
 585         * c-parser.c (c_parser_objc_at_property_declaration): Recognize
 586         RID_ASSIGN, RID_COPY, RID_RETAIN, RID_READWRITE and RID_NONATOMIC.
 587         Do not use objc_set_property_attr, but use local variables
 588         instead.  Detect repeated usage of setter, getter and ivar
 589         attributes.  Improved error processing when a setter name does not
 590         end in ':'.  Do not check for CPP_CLOSE_PAREN after we determined
 591         that the token is a keyword.  Updated call to
 592         objc_add_property_declaration.
 593
 594 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
 595
 596         * c-parser.c (c_parser_objc_at_property): Renamed to
 597         c_parser_objc_at_property_declaration.  Updated calls to
 598         objc_add_property_variable, now objc_add_property_declaration.
 599         Code rewritten to be much more robust in recovering from syntax
 600         errors.  Added comments.
 601         (c_parser_objc_property_attrlist): Removed.
 602         (c_parser_external_declaration): Updated calls to
 603         c_parser_objc_at_property, now
 604         c_parser_objc_at_property_declaration.
 605         (c_parser_objc_methodprotolist): Same change.
 606
 607 2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>
 608
 609         * config/i386/i386.md (split_stack_return): Put back unspec_volatile.
 610
 611 2010-10-26  Jan Hubicka  <jh@suse.cz>
 612
 613         * ipa.c (process_references): Enqueue all referenced nodes;
 614         mark as reachable only non-external nodes.
 615         (cgraph_remove_unreachable_nodes): All referenced nodes should
 616         be enqueued; remove bogues node->needed check.
 617
 618 2010-10-26  Jan Hubicka  <jh@suse.cz>
 619
 620         * cgraphbuild.c (build_cgraph_edges): Use ipa-reference
 621         to represent OMP.
 622
 623 2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>
 624
 625         * config/i386/i386.md (split_stack_return): Replace
 626         unspec_volatile with unspec.
 627
 628 2010-10-26  Jonathan Wakely  <jwakely.gcc@gmail.com>
 629
 630         * doc/install.texi: Fix typo in --with-sysroot description.
 631
 632 2010-10-26  Jan Hubicka  <jh@suse.cz>
 633
 634         * ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p):
 635         Use info provided by linker plugin.
 636
 637 2010-10-26  Jason Merrill  <jason@redhat.com>
 638
 639         * varasm.c (constructor_static_from_elts_p): Don't require a
 640         CONSTRUCTOR to have elements to be suitable for static
 641         initialization.  Allow ARRAY_TYPE as well.
 642
 643 2010-10-26  Jan Hubicka  <jh@suse.cz>
 644
 645         PR middle-end/45736
 646         * cgraph.c (cgraph_set_readonly_flag): Rename to...
 647         (cgraph_set_const_flags) ... this one; get also looping argument;
 648         clear constructor/destructor flags.
 649         (cgraph_set_pure_flag): Likewise.
 650         (cgraph_set_looping_const_or_pure_flag): Remove.
 651         (cgraph_can_remove_if_no_direct_calls_and_refs): Do not try
 652         to optimize away static ctors/dtors; it does not work on inline clones;
 653         external functions can always be rmeoved.
 654         (cgraph_will_be_removed_from_program_if_no_direct_calls): Assert on
 655         inline clones; in LTO external functions always can go.
 656         (cgraph_used_from_object_file_p): Handle EXTERNAL functions correctly.
 657         (cgraph_mark_address_taken_node): Assert that we are not taking
 658         address of inline clone.
 659         (cgraph_can_remove_if_no_direct_calls_p): We always eventually remove
 660         external functions.
 661         * ipa-cp.c (ipcp_cloning_candidate_p): Do not clone functions with
 662         address taken.
 663         (ipcp_initialize_node_lattices): Only local functions can be
 664         handled without cloning.
 665         * cgraph.h (cgraph_set_readonly_flag,
 666         cgraph_set_looping_const_or_pure_flag): Remove.
 667         (cgraph_set_const_flag): Declare.
 668         (cgraph_set_pure_flag): Update.
 669         * ipa-pure-const (propagate_pure_const, local_pure_const): Update
 670         flags setting code.
 671         * ipa.c (cgraph_remove_unreachable_nodes): Fix formating; do not
 672         look at inline clones; fix handling of external definitions.
 673         (cgraph_postorder): Do not look at inline clones in the first pass.
 674         (function_and_variable_visibility): Drop constructors/destructor
 675         flags at pure and const functions.
 676         * tree-profile.c (tree_profiling): Update.
 677         * ipa-inline.c (cgraph_clone_inlined_nodes): Always clone functions with
 678         address taken; external functions do not account to whole program size.
 679         (cgraph_decide_inlining): Likewise; do not try to inline
 680         functions already inlined.
 681
 682 2010-10-26  Jie Zhang  <jie@codesourcery.com>
 683
 684         * doc/invoke.texi: Improve documentation of
 685         -fstrict-volatile-bitfields.
 686
 687 2010-10-26  Ira Rosen  <irar@il.ibm.com>
 688
 689         PR tree-optimization/46167
 690         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check that there
 691         is basic block for the statement.
 692
 693 2010-10-26  Paul Koning  <ni1d@arrl.net>
 694
 695         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Update to
 696         current definition of struct_real_format.
 697
 698 2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>
 699
 700         PR target/44948
 701         * config/i386/i386.c (ix86_old_function_arg_boundary): New.
 702         (ix86_function_arg_boundary): Always align parameters on stack
 703         in 64bit and align parameters with alignment >= 16byte on stack
 704         in 32bit.  Warn alignment change.
 705
 706 2010-10-26  Ian Lance Taylor  <iant@google.com>
 707
 708         PR middle-end/45687
 709         * ipa-prop.c (ipa_modify_call_arguments): Correct type of MEM_REF
 710         offset.
 711
 712 2010-10-25  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>
 713
 714         Implement opaque-enum-specifiesr for C++0x
 715         * tree.h (ENUM_IS_OPAQUE): New.
 716         * dwarf2out.c (gen_enumeration_type_die): Use ENUM_IS_OPAQUE.
 717
 718 2010-10-26  Jie Zhang  <jie@codesourcery.com>
 719
 720         * stor-layout.c (layout_decl): Use the field's type to
 721         determine the mode and keep DECL_BIT_FIELD for a volatile bit-field.
 722         * config/arm/arm.c (arm_override_options): Default to
 723         -fstrict-volatile-bitfields.
 724
 725 2010-10-25  Paul Koning  <ni1d@arrl.net>
 726
 727         * config/pdp11/pdp11.md: Add define_constants for register
 728         numbers, branch offset limits.
 729         * config/pdp11/pdp11.c: Use named constants instead of numbers.
 730         * config/pdp11.pdp11.h: Ditto.
 731
 732 2010-10-25  Eric Botcazou  <ebotcazou@adacore.com>
 733
 734         * configure.ac: Use $cpu_type instead of $target to define the nop.
 735         * configure: Regenerate.
 736
 737 2010-10-25  Jie Zhang  <jie@codesourcery.com>
 738
 739         * combine.c (try_combine): If insns need to be kept around, check that
 740         they can be copied in the merged instruction.
 741
 742 2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>
 743
 744         * reg-stack.c (convert_regs_1): Return boolean value, true if the CFG
 745         has been modified.
 746         (convert_regs_2): Likewise.  Adjust calls to convert_regs_1.
 747         (convert_regs): Adjust calls to convert_regs_2.  Clean up the CFG if
 748         it has been modified.
 749
 750 2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>
 751
 752         * config/sparc/sparc.c (sparc_type_code) <NULLPTR_TYPE>: New case.
 753
 754 2010-10-24  Paul Koning  <ni1d@arrl.net>
 755
 756         * config/pdp11/pdp11.md: Change length attribute to be in bytes.
 757         * config/pdp11/pdp11.c (output_jump): Ditto.
 758
 759 2010-10-24  Ian Lance Taylor  <iant@google.com>
 760
 761         * config/i386/i386.c (ix86_va_start): Remove extraneous blank line.
 762
 763 2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>
 764
 765         * cfglayout.c (fixup_reorder_chain): When ensuring that there is at
 766         least one insn with a locus corresponding to an edge's goto_locus,
 767         disregard non-fallthru edges to the exit block and merge the blocks
 768         created for the same goto_locus.
 769
 770 2010-10-23  Joseph Myers  <joseph@codesourcery.com>
 771
 772         * gcc.c (n_switches_alloc_debug_check): New.
 773         (set_option_handlers): New.
 774         (process_command): Use set_option_handlers.
 775         (do_self_spec): Pass spec-generated options through option handlers.
 776         (main): Also save and restore n_switches_alloc when swapping
 777         switch arrays.
 778
 779 2010-10-23  Richard Henderson  <rth@redhat.com>
 780
 781         PR target/46144
 782         * config/i386/sse.md (*avx_absneg<AVXMODEF2P>2): New.
 783         (*sse_absneg<SSEMODEF2P>2): Rename from *absneg<VEC_FLOAT_MODE>2.
 784         Honor matching operands when splitting to XOR.
 785
 786 2010-10-23  Ian Lance Taylor  <iant@google.com>
 787
 788         * tree-vrp.c (extract_range_from_binary_expr): If
 789         flag_non_call_exceptions don't eliminate division by zero.
 790         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
 791
 792 2010-10-23  Nathan Froyd  <froydnj@codesourcery.com>
 793
 794         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
 795         __BYTE_ORDER__, __ORDER_LITTLE_ENDIAN__, __ORDER_BIG_ENDIAN__, and
 796         __ORDER_PDP_ENDIAN__.
 797         * libgcc2.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 798         (struct DWstruct): Define based on __BYTE_ORDER__.
 799         * config/fixed-bit.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 800         (struct INTstruct): Define based on __BYTE_ORDER__.
 801         * config/dfp-bit.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 802         (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Test __BYTE_ORDER__.
 803         * system.h (LIBGCC2_WORDS_BIG_ENDIAN): Poison identifier.
 804         * config/arc/arc.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 805         * config/arm/arm.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 806         * config/ia64/ia64.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 807         * config/iq2000/iq2000.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 808         * config/lm32/lm32.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 809         * config/m32r/m32r.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 810         * config/mcore/mcore.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 811         * config/mep/mep.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 812         * config/mips/mips.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 813         * config/rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 814         * config/rx/rx.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 815         * config/score/score.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 816         * config/sh/sh.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 817         * config/sparc/sparc.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 818         * config/xtensa/xtensa.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 819         * doc/tm.texi.in (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
 820         * doc/tm.texi: Regenerate.
 821         * doc/cpp.texi (__BYTE_ORDER__, __ORDER_LITTLE_ENDIAN__): Document.
 822         (__ORDER_BIG_ENDIAN__, __ORDER_PDP_ENDIAN__): Likewise.
 823
 824 2010-10-23  Jie Zhang  <jie@codesourcery.com>
 825
 826         PR rtl-optimization/37360
 827         * config/mips/mips.c (cached_can_issue_more): New local variable.
 828         (mips_sched_reorder_1): New.
 829         (mips_sched_reorder): Use mips_sched_reorder_1.
 830         (mips_sched_reorder2): New.
 831         (mips_variable_issue): Set cached_can_issue_more.
 832         (TARGET_SCHED_REORDER2): Define to mips_sched_reorder2
 833         instead of mips_sched_reorder.
 834
 835         Revert:
 836         2008-09-09  Andrey Belevantsev  <abel@ispras.ru>
 837         PR rtl-optimization/37360
 838         * haifa-sched.c (max_issue): Do not assert that we never issue more
 839         insns than issue_rate.  Add comment.
 840
 841 2010-10-22  Eric Botcazou  <ebotcazou@adacore.com>
 842
 843         * gimplify.c (gimplify_variable_sized_compare): Preserve the source
 844         location info of the expression.
 845
 846 2010-10-22  DJ Delorie  <dj@redhat.com>
 847
 848         * doc/extend.texi (Named Address Spaces): Document the M32C named
 849         address space.
 850
 851         * config/m32c/m32c-pragma.c (m32c_register_pragmas): Register the
 852         __far address space.
 853         * config/m32c/m32c.h (ADDR_SPACE_FAR): New.  Add support for
 854         "__far" address space for R8C and M16C processor variants.
 855         * config/m32c/m32c.c (m32c_addr_space_legitimate_address_p): New.
 856         (far_addr_space_p): New.
 857         (encode_pattern_1): Add sign and zero extend support.
 858         (m32c_hard_regno_nregs_1): Large pointers in A16 mode are SImode.
 859         (m32c_extra_constraint_p2): Add SF constraint.
 860         (m32c_legitimate_address_p): Support __far addresses.
 861         (m32c_addr_space_pointer_mode): New.
 862         (m32c_addr_space_address_mode): New.
 863         (m32c_addr_space_legitimate_address_p): New.
 864         (m32c_addr_space_legitimize_address): New.
 865         (m32c_addr_space_subset_p): New.
 866         (m32c_addr_space_convert): New.
 867         (conversions): Add __far operand patterns.
 868         (m32c_prepare_move): Force constants into registers for __far moves.
 869         (m32c_split_move): __far moves are always split.
 870         * config/m32c/addsub.md (addsi3_1): Support SImode symbols.
 871         * config/m32c/mov.md (mov<mode>_far_op1): New.
 872         (mov<mode>_far_op2): New.
 873         (movqi_op): Add __far (SF) support.
 874         (movhi_op): Likewise.
 875         (movsi_splittable): Split A1A0 also.
 876
 877 2010-10-22  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
 878             Andrew Pinski  <pinskia@gmail.com>
 879
 880         * c-typeck.c (build_array_ref): Handle subscripting of vectors.
 881         * doc/extend.texi: New paragraph
 882
 883 2010-10-22  Paul Koning  <ni1d@arrl.net>
 884
 885         * config.pdp11/pdp11.h (DBX_DEBUGGING_INFO): Define.
 886
 887 2010-10-22  DJ Delorie  <dj@redhat.com>
 888
 889         * config/m32c/m32c-lib1.S (m32c_jsri16): Make reentrant.
 890
 891 2010-10-22  Paul Koning  <ni1d@arrl.net>
 892
 893         * config/pdp11/pdp11.h (IRA_COVER_CLASSES): Define.
 894
 895 2010-10-22  Richard Henderson  <rth@redhat.com>
 896
 897         * config/i386/i386.c (ix86_builtin_vectorized_function): Add
 898         cases for __builtin_fma and __builtin_fmaf.
 899
 900 2010-10-22  Richard Henderson  <rth@redhat.com>
 901
 902         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Produce
 903         NEG+USE for vectors as well.
 904         * config/i386/i386.md (*absneg<VEC_FLOAT_MODE>2): New pattern
 905         and splitter.
 906
 907 2010-10-22  Joseph Myers  <joseph@codesourcery.com>
 908
 909         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION,
 910         SWITCH_CURTAILS_COMPILATION): Remove.
 911         * doc/tm.texi.in (SWITCH_CURTAILS_COMPILATION): Remove documentation.
 912         * doc/tm.texi: Regenerate.
 913         * system.h (SWITCH_CURTAILS_COMPILATION): Poison.
 914
 915 2010-10-22  Changpeng Fang  <changpeng.fang@amd.com>
 916
 917         * config/i386/bdver1.md: New file.
 918         * config/i386/i386.md (include "bdver1.md"): Invoke the
 919         pipeline description for bdver1.
 920         (x86_sahf_1): Add "bdver1_decode" attribute.
 921         (*cmpfp_i_mixed): Likewise.
 922         (*cmpfp_i_sse): Likewise.
 923         (*cmpfp_i_i387): Likewise.
 924         (*cmpfp_iu_mixed): Likewise.
 925         (*cmpfp_iu_sse): Likewise.
 926         (*cmpfp_iu_387): Likewise.
 927         (*swap<mode>,*swap<mode>_1): Likewise.
 928         (fixuns_trunc<mode>hi2): Likewise.
 929         (fix_trunc<mode>si_sse): Likewise.
 930         (x86_fnstcw_1): Likewise.
 931         (x86_fldcw_1): Likewise.
 932         (*floatsi<mode>2_vector_mixed_with_temp): Likewise.
 933         (*floatsi<mode>2_vector_mixed): Likewise.
 934         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Likewise.
 935         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
 936         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
 937         (*floatsi<mode>2_vector_sse_with_temp): Likewise.
 938         (*floatsi<mode>2_vector_sse): Likewise.
 939         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Likewise.
 940         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
 941         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
 942         (*mul<mode>3_1): Likewise.
 943         (*mulsi3_1_zext): Likewise.
 944         (*mulhi3_1): Likewise.
 945         (*mulqi3_1): Likewise.
 946         (*<u>mul<mode><dwi>3_1): Likewise.
 947         (*<u>mulqihi3_1): Likewise.
 948         (*<s>muldi3_highpart_1): Likewise.
 949         (*<s>mulsi3_highpart_1): Likewise.
 950         (*<s>mulsi3_highpart_zext): Likewise.
 951         (x86_64_shld): Likewise.
 952         (x86_shld): Likewise.
 953         (x86_64_shrd): Likewise.
 954         (x86_shrd): Likewise.
 955         (sqrtxf2): Likewise.
 956         (sqrt_extend<mode>xf2_i387): Likewise.
 957         (*sqrt<mode>2_sse): Likewise.
 958         * config/i386/sse.md (sse_cvtsi2ss): Add "bdver1_decode" attribute.
 959         (sse_cvtsi2ssq): Likewise.
 960         (sse_cvtss2si): Likewise.
 961         (sse_cvtss2si_2): Likewise.
 962         (sse_cvtss2siq): Likewise.
 963         (sse_cvtss2siq_2): Likewise.
 964         (sse_cvttss2si): Likewise.
 965         (sse_cvttss2siq): Likewise.
 966         (sse2_cvtpi2pd): Likewise.
 967         (sse2_cvttpd2pi): Likewise.
 968         (sse2_cvtsi2sd): Likewise.
 969         (sse2_cvtsi2sdq): Likewise.
 970         (sse2_cvtsd2si): Likewise.
 971         (sse2_cvtsd2si_2): Likewise.
 972         (sse2_cvtsd2siq): Likewise.
 973         (sse2_cvtsd2siq_2): Likewise.
 974         (sse2_cvttsd2si): Likewise.
 975         (sse2_cvttsd2siq): Likewise.
 976         (*sse2_cvtpd2dq): Likewise.
 977         (*sse2_cvttpd2dq): Likewise.
 978         (sse2_cvtsd2ss): Likewise.
 979         (sse2_cvtss2sd): Likewise.
 980         (*sse2_cvtpd2ps): Likewise.
 981         (sse2_cvtps2pd): Likewise.
 982
 983 2010-10-22  Richard Guenther  <rguenther@suse.de>
 984
 985         PR middle-end/46137
 986         * gimple-fold.c (gimplify_and_update_call_from_tree): Properly
 987         remove the virtual operands if they are not needed.
 988
 989 2010-10-22  Changpeng Fang  <changpeng.fang@amd.com>
 990
 991         * config/i386/i386.c (processor_costs bdver1_cost): Update
 992         insn costs and architectural parameters for bdver1.
 993
 994 2010-10-22  Richard Guenther  <rguenther@suse.de>
 995
 996         * gimple.h (gimple_register_canonical_type): Declare.
 997         * gimple.c (gimple_canonical_types): New global hashtable.
 998         (struct gimple_type_leader_entry_s): New type.
 999         (gimple_type_leader): New global cache.
1000         (gimple_lookup_type_leader): New function.
1001         (gtc_visit): Query the proper cache.
1002         (gimple_types_compatible_p): Likewise.
1003         (gimple_register_type): Use the new cache instead of TYPE_CANONICAL.
1004         (gimple_canonical_type_eq): New function.
1005         (gimple_register_canonical_type): Likewise.
1006         (print_gimple_types_stats): Adjust for gimple_canonical_types.
1007         (free_gimple_type_tables): Likewise.  Free gimple_type_leader.
1008         * tree-ssa.c (useless_type_conversion_p): Do not dispatch to
1009         gimple_types_compatible_p for LTO.
1010
1011 2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1012
1013         PR target/46098
1014         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1015         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1016         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1017         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1018         (<sse>_movu<ssemodesuffix>): New expander.
1019         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1020         (avx_movdqu<avxmodesuffix>): New expander.
1021         (*sse2_movdqu): Rename from sse2_movdqu.
1022         (sse2_movdqu): New expander.
1023
1024 2010-10-22  Richard Guenther  <rguenther@suse.de>
1025
1026         PR tree-optimization/45720
1027         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
1028         Handle negative step.
1029         (vect_enhance_data_refs_alignment): Likewise.
1030         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Likewise.
1031         (vect_create_cond_for_align_checks): Likewise.
1032         (vect_create_cond_for_alias_checks): Likewise.
1033
1034 2010-10-22  Ira Rosen  <irar@il.ibm.com>
1035
1036         PR tree-optimization/46126
1037         * tree-vect-stmts.c (vect_analyze_stmt): Pass NODE to
1038         vectorizable_shift in case of basic block vectorization.
1039
1040 2010-10-22  Joseph Myers  <joseph@codesourcery.com>
1041
1042         * target.h (enum opt_levels, struct default_options): New.
1043         * target.def (handle_ofast): Remove hook.
1044         (target_option.optimization): Change to
1045         target_option.optimization_table.
1046         * doc/tm.texi.in (TARGET_OPTION_OPTIMIZATION): Change to
1047         TARGET_OPTION_OPTIMIZATION_TABLE.
1048         (CAN_DEBUG_WITHOUT_FP): Remove.
1049         * doc/tm.texi: Regenerate.
1050         * opts.c (maybe_default_option, maybe_default_options,
1051         default_options_table): New.
1052         (default_options_optimization): Take extra parameters.  Don't
1053         assert that global_options and global_options_set are in use.  Use
1054         maybe_default_options.
1055         (decode_options): Pass extra parameters to
1056         default_options_optimization.
1057         * common.opt (falign-loops): Use value 0 with Var.
1058         (frerun-cse-after-loop, ftree-ter): Remove Init.
1059         * system.h (CAN_DEBUG_WITHOUT_FP, TARGET_HANDLE_OFAST,
1060         TARGET_OPTION_OPTIMIZATION): Remove.
1061         * targhooks.c (empty_optimization_table): New.
1062         * targhooks.h (empty_optimization_table): Declare.
1063         * toplev.c (process_options): Don't set flag_rerun_cse_after_loop.
1064         * config/alpha/alpha.c (alpha_option_optimization_table,
1065         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1066         * config/alpha/alpha.h (CAN_DEBUG_WITHOUT_FP): Remove.
1067         * config/arm/arm.c (arm_option_optimization: Change to
1068         arm_option_optimization_table.
1069         (TARGET_OPTION_OPTIMIZATION): Change to
1070         TARGET_OPTION_OPTIMIZATION_TABLE.
1071         * config/arm/arm.h (CAN_DEBUG_WITHOUT_FP): Remove.
1072         * config/avr/avr.c (avr_option_optimization_table,
1073         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1074         * config/avr/avr.h (CAN_DEBUG_WITHOUT_FP): Remove.
1075         * config/cris/cris.c (cris_option_optimization): Change to
1076         cris_option_optimization_table.
1077         (TARGET_OPTION_OPTIMIZATION): Change to
1078         TARGET_OPTION_OPTIMIZATION_TABLE.
1079         * config/crx/crx.c (crx_option_optimization): Change to
1080         crx_option_optimization_table.
1081         (TARGET_OPTION_OPTIMIZATION): Change to
1082         TARGET_OPTION_OPTIMIZATION_TABLE.
1083         * config/crx/crx.h (CAN_DEBUG_WITHOUT_FP): Remove.
1084         * config/fr30/fr30.c (fr30_option_optimization_table,
1085         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1086         * config/fr30/fr30.h (CAN_DEBUG_WITHOUT_FP): Remove.
1087         * config/frv/frv.c (frv_option_optimization_table,
1088         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1089         * config/frv/frv.h (CAN_DEBUG_WITHOUT_FP): Remove.
1090         * config/h8300/h8300.c (h8300_option_optimization): Change to
1091         h8300_option_optimization_table.
1092         (TARGET_OPTION_OPTIMIZATION): Change to
1093         TARGET_OPTION_OPTIMIZATION_TABLE.
1094         * config/h8300/h8300.h (CAN_DEBUG_WITHOUT_FP): Remove.
1095         * config/i386/i386.c (ix86_option_optimization): Change to
1096         ix86_option_optimization_table.
1097         (TARGET_OPTION_OPTIMIZATION): Change to
1098         TARGET_OPTION_OPTIMIZATION_TABLE.
1099         * config/i386/sol2-10.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define
1100         as initializer.
1101         * config/ia64/ia64.c (ia64_option_optimization): Change to
1102         ia64_option_optimization_table.
1103         (TARGET_OPTION_OPTIMIZATION): Change to
1104         TARGET_OPTION_OPTIMIZATION_TABLE.
1105         * config/ia64/ia64.h (CAN_DEBUG_WITHOUT_FP): Remove.
1106         * config/ia64/vms.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define as
1107         initializer.
1108         * config/iq2000/iq2000.c (iq2000_option_optimization_table,
1109         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1110         * config/iq2000/iq2000.h (CAN_DEBUG_WITHOUT_FP): Remove.
1111         * config/lm32/lm32.c (lm32_option_optimization_table,
1112         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1113         * config/lm32/lm32.h (CAN_DEBUG_WITHOUT_FP): Remove.
1114         * config/m32r/m32r.c (m32r_option_optimization): Change to
1115         m32r_option_optimization_table.
1116         (TARGET_OPTION_OPTIMIZATION): Change to
1117         TARGET_OPTION_OPTIMIZATION_TABLE.
1118         * config/m32r/m32r.h (SUBTARGET_OPTIMIZATION_OPTIONS,
1119         CAN_DEBUG_WITHOUT_FP): Remove.
1120         * config/mcore/mcore.c (mcore_option_optimization): Change to
1121         mcore_option_optimization_table.
1122         (TARGET_OPTION_OPTIMIZATION): Change to
1123         TARGET_OPTION_OPTIMIZATION_TABLE.
1124         * config/mep/mep.c (mep_option_optimization): Change to
1125         mep_option_optimization_table.
1126         (TARGET_OPTION_OPTIMIZATION): Change to
1127         TARGET_OPTION_OPTIMIZATION_TABLE.
1128         * config/mep/mep.h (CAN_DEBUG_WITHOUT_FP): Remove.
1129         * config/microblaze/microblaze.c
1130         (microblaze_option_optimization_table,
1131         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1132         * config/microblaze/microblaze.h (CAN_DEBUG_WITHOUT_FP): Remove.
1133         * config/mips/mips.c (mips_option_optimization_table,
1134         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1135         * config/mips/mips.h (CAN_DEBUG_WITHOUT_FP): Remove.
1136         * config/mmix/mmix.c (mmix_option_optimization): Change to
1137         mmix_option_optimization_table.
1138         (TARGET_OPTION_OPTIMIZATION): Change to
1139         TARGET_OPTION_OPTIMIZATION_TABLE.
1140         * config/mmix/mmix.h (CAN_DEBUG_WITHOUT_FP): Remove.
1141         * config/mn10300/mn10300.c (mn10300_option_optimization_table,
1142         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1143         * config/mn10300/mn10300.h (CAN_DEBUG_WITHOUT_FP): Remove.
1144         * config/pa/pa.c (pa_option_optimization_table,
1145         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1146         * config/pa/pa.h (CAN_DEBUG_WITHOUT_FP): Remove.
1147         * config/pdp11/pdp11.c (pdp11_option_optimization): Change to
1148         pdp11_option_optimization_table.
1149         (TARGET_OPTION_OPTIMIZATION): Change to
1150         TARGET_OPTION_OPTIMIZATION_TABLE.
1151         * config/picochip/picochip.c (picochip_option_optimization_table,
1152         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1153         * config/picochip/picochip.h (CAN_DEBUG_WITHOUT_FP): Remove.
1154         * config/rs6000/rs6000.c (rs6000_option_optimization_table,
1155         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1156         * config/rs6000/rs6000.h (CAN_DEBUG_WITHOUT_FP): Remove.
1157         * config/rx/rx.c (rx_option_optimization_table,
1158         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1159         * config/rx/rx.h (CAN_DEBUG_WITHOUT_FP): Remove.
1160         * config/s390/s390.c (s390_option_optimization): Change to
1161         s390_option_optimization_table.
1162         (s390_option_override): Update comment.
1163         (TARGET_OPTION_OPTIMIZATION): Change to
1164         TARGET_OPTION_OPTIMIZATION_TABLE.
1165         * config/s390/s390.h (CAN_DEBUG_WITHOUT_FP): Remove.
1166         * config/score/score.c (score_option_optimization_table,
1167         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1168         * config/score/score.h (CAN_DEBUG_WITHOUT_FP): Remove.
1169         * config/sh/sh.c (sh_option_optimization): Change to
1170         sh_option_optimization_table.
1171         (TARGET_OPTION_OPTIMIZATION): Change to
1172         TARGET_OPTION_OPTIMIZATION_TABLE.
1173         (sh_option_override): Set MASK_SAVE_ALL_TARGET_REGS here.
1174         (sh_option_override, expand_block_move, multcosts, find_barrier,
1175         barrier_align): Use optimize_size instead of TARGET_SMALLCODE.
1176         * config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Remove.
1177         (LOOP_ALIGN, TRAMPOLINE_ALIGNMENT, MOVE_BY_PIECES_P,
1178         STORE_BY_PIECES_P, SH_DYNAMIC_SHIFT_COST): Use optimize_size
1179         instead of TARGET_SMALLCODE.
1180         * config/sh/sh.opt (mspace): Make into an alias for -Os.
1181         * config/sparc/sparc.c (sparc_option_optimization_table,
1182         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1183         * config/sparc/sparc.h (CAN_DEBUG_WITHOUT_FP): Remove.
1184         * config/stormy16/stormy16.c (xstorym16_option_optimization_table,
1185         TARGET_OPTION_OPTIMIZATION_TABLE): New.
1186         * config/stormy16/stormy16.h (CAN_DEBUG_WITHOUT_FP): Remove.
1187         * config/v850/v850.c (v850_option_optimization): Change to
1188         v850_option_optimization_table.
1189         (TARGET_OPTION_OPTIMIZATION): Change to
1190         TARGET_OPTION_OPTIMIZATION_TABLE.
1191         * config/v850/v850.h (CAN_DEBUG_WITHOUT_FP): Remove.
1192         * config/xtensa/xtensa.c (xtensa_option_optimization): Change to
1193         xtensa_option_optimization_table.
1194         (TARGET_OPTION_OPTIMIZATION): Change to
1195         TARGET_OPTION_OPTIMIZATION_TABLE.
1196         * config/xtensa/xtensa.h (CAN_DEBUG_WITHOUT_FP): Remove.
1197
1198 2010-10-21  Iain Sandoe  <iains@gcc.gnu.org>
1199
1200         Based on the CFString implementation in FSF apple/trunk branch.
1201
1202         * target.def (objc_construct_string): New Hook.
1203         * doc/tm.texi (objc_construct_string): Document.
1204         * doc/tm.texi.in (TARGET_OBJC_CONSTRUCT_STRING): New.
1205         * config/t-darwin: Amend build rules for darwin.o.
1206         * config/darwin.opt: Add cfstrings flags.
1207         * config/darwin-c.c: Define __CONSTANT_CFSTRINGS__.
1208         (darwin_objc_construct_string): New.
1209         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Define.
1210         * config/i386/i386.c (ix86_init_builtins): Add SUBTARGET_INIT_BUILTINS.
1211         * config/darwin-protos.h (darwin_init_cfstring_builtins): New prototype.
1212         (darwin_fold_builtin): Likewise.
1213         (darwin_build_constant_cfstring): Likewise.
1214         (darwin_objc_construct_string): Likewise.
1215         (darwin_cfstring_p): Likewise.
1216         (darwin_enter_string_into_cfstring_table): Likewise.
1217         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS) Update for CFString.
1218         * config/darwin.c (darwin_running_cxx): New var.
1219         (machopic_select_section): Return cfstring_constant_object_section.
1220         (darwin_override_options): Set darwin_running_cxx.
1221         (add_builtin_field_decl): New.
1222         (darwin_init_cfstring_builtins): New.
1223         (darwin_build_constant_cfstring): New.
1224         (darwin_fold_builtin): New.
1225         (cfstring_hash): New.
1226         (cfstring_eq): New.
1227         (darwin_enter_string_into_cfstring_table): New.
1228         * config/darwin-sections.def (cfstring_constant_object_section): New.
1229         * config/darwin.h (TARGET_FOLD_BUILTIN): Define.
1230         (TARGET_OBJC_CONSTRUCT_STRING): Define.
1231
1232 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
1233
1234         * config/alpha/alpha.c (alpha_build_builtin_va_list): Use
1235         TYPE_STUB_DECL instead of TREE_CHAIN.
1236         * config/i386/i386.c (ix86_build_builtin_va_list_abi): Likewise.
1237         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Likewise.
1238         * config/s390/s390.c (s390_build_builtin_va_list): Likewise.
1239         * config/sh/sh.c (sh_build_builtin_va_list): Likewise.
1240         * config/spu/spu.c (spu_build_builtin_va_list): Likewise.
1241         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list):
1242         Likewise.
1243         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Likewise.
1244
1245 2010-10-22  Jie Zhang  <jie@codesourcery.com>
1246
1247         * expr.c (emit_group_load_1): Update calls to extract_bit_field.
1248         (copy_blkmode_from_reg): Likewise.
1249         (read_complex_part): Likewise.
1250         (expand_expr_real_1): Calculate packedp and pass it to
1251         extract_bit_field.
1252         * expr.h (extract_bit_field): Update declaration.
1253         * calls.c (store_unaligned_arguments_into_pseudos): Update call
1254         to extract_bit_field.
1255         * expmed.c (extract_fixed_bit_field): Update calls to
1256         extract_fixed_bit_field.
1257         (store_split_bit_field): Likewise.
1258         (extract_bit_field_1): Add new argument packedp.
1259         (extract_bit_field): Add new argument packedp.
1260         (extract_fixed_bit_field): Add new argument packedp and let
1261         packed attribute override volatile.
1262         * stmt.c (expand_return): Update call to extract_bit_field.
1263
1264 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
1265
1266         * config/spu/spu.c (spu_function_arg): Dereference CUM parameter.
1267
1268 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
1269
1270         * ddg.c (add_cross_iteration_register_deps): Call gcc_assert instead
1271         of gcc_checking_assert.
1272         * sel-sched.c (code_motion_process_successors): Likewise.
1273
1274 2010-10-21  Eric Botcazou  <ebotcazou@adacore.com>
1275
1276         * cfgcleanup.c (try_forward_edges): Do not throw away previous steps
1277         when stopping because of a different locus on edge or insn.
1278         (try_optimize_cfg): Add comment.
1279         * cfgrtl.c (rtl_merge_blocks): Tweak log message.  If the destination
1280         block is a forwarder block, propagate locus on the edge.
1281         (cfg_layout_merge_blocks): Likewise.
1282
1283 2010-10-21  Uros Bizjak  <ubizjak@gmail.com>
1284
1285         PR target/45946
1286         * config/i386/i386.md (*pushti2): New insn pattern.
1287         (pushti2 splitter): New insn splitter.
1288         (*push<mode>2): Macroize insn pattern from *push{di,ti}2 using
1289         DWI mode iterator.
1290
1291 2010-10-21  Paul Koning  <ni1d@arrl.net>
1292
1293         * config/pdp11/pdp11-protos.md (arith_operand,
1294         const_immediate_operand, expand_shift_operand,
1295         immediate15_operand): Delete
1296         * config/pdp11/pdp11.c: Ditto.
1297         * config/pdp11/pdp11.h (REG_CLASS_FROM_LETTER,
1298         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
1299         EXTRA_CONSTRAINT): Delete.
1300         * config/pdp11/pdp11.md (various): Use standard constraints
1301         instead of removed ones.
1302         * config/pdp11/constraints.md: New file.
1303         * config/pdp11/predicates.md: New file.
1304
1305 2010-10-21  Bingfeng Mei  <bmei@broadcom.com>
1306
1307         PR c/45834
1308         * alias.c (true_dependence_1): Remove obsolete check for QImode.
1309         (may_alias_p): Ditto.
1310
1311 2010-10-21  Martin Jambor  <mjambor@suse.cz>
1312
1313         PR tree-optimization/45875
1314         * tree.c (get_binfo_at_offset): Remove initial zero offset test.
1315
1316 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
1317
1318         * tree-into-ssa.c (rewrite_update_enter_block): Remove unused
1319         variables.
1320         (create_new_def_for): Likewise.
1321
1322 2010-10-21  Nick Clifton  <nickc@redhat.com>
1323
1324         * config/mn10300/mn10300.c: Fold code to 80-character width.
1325         Replace GET_CODE (foo) == REG with REG_P (foo).  Likewise for
1326         MEM, CONST_INT and CONST_DOUBLE.
1327         (targetm): Move initialization to end of file.
1328         (print_operand): Rename to mn10300_print_operand.
1329         (print_operand_address): Rename to mn10300_print_operand_address.
1330         (can_use_return_insn): Rename to mn10300_can_use_return_insn.
1331         (expand_prologue): Rename to mn10300_expand_prologue.
1332         (expand_epilogue): Rename to mn10300_expand_epilogue.
1333         (initial_offset): Rename to mn10300_initial_offset.
1334         (function_arg): Rename to mn10300_function_arg.
1335         (mask_ok_for_mem_btst): Rename to mn10300_mask_ok_for_mem_btst.
1336         (symbolic_operand): Rename to mn10300_symbolic_operand.
1337         (legitimize_pic_address): Rename to mn10300_legitimize_pic_address.
1338         (legitimate_pic_operand_p): Rename to mn10300_legitimate_pic_operand_p.
1339         * config/mn10300/mn10300-protos.h: Update prototypes.
1340         * config/mn10300/mn10300.h: Fold code to 80-character width.
1341         Replace GET_CODE (foo) == REG with REG_P (foo).  Likewise for
1342         MEM, CONST_INT and CONST_DOUBLE.
1343         (CPP_SPEC): Move to...
1344         (TARGET_CPU_CPP_BUILTINS): ... here.
1345         * config/mn10300/mn10300.md: Fold code to 80-character width.
1346         Replace GET_CODE (foo) == REG with REG_P (foo).  Likewise for
1347         MEM, CONST_INT and CONST_DOUBLE.
1348
1349 2010-10-21  Ira Rosen  <irar@il.ibm.com>
1350
1351         PR tree-optimization/46049
1352         PR tree-optimization/46052
1353         * tree-vectorizer.h (enum stmt_vec_info_type): Add new value for shift.
1354         (vect_get_slp_defs): Add arguments.
1355         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass scalar
1356         operands to vect_get_slp_defs.
1357         (vectorizable_reduction): Fix comment, pass scalar operands to
1358         vect_get_slp_defs.
1359         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use operand's
1360         type to determine number of units in the created vector.
1361         (vect_get_vec_defs): Pass scalar operands to vect_get_slp_defs.
1362         (vectorizable_conversion): Fix comment.
1363         (vectorizable_shift): New function.
1364         (vectorizable_operation): Move code that handles shifts to
1365         vectorizable_shift.
1366         (vectorizable_type_demotion): Fix comment, pass scalar operands to
1367         vect_get_slp_defs.
1368         (vectorizable_type_promotion, vectorizable_store): Likewise.
1369         (vectorizable_condition): Fix comment.
1370         (vect_analyze_stmt): Call vectorizable_shift.
1371         (vect_transform_stmt): Likewise.
1372         * tree-vect-slp.c (vect_get_constant_vectors): Add new argument.
1373         Use it as the operand to create vectors for, except reduction
1374         initial definition and store.  Use operands type.
1375         (vect_get_slp_defs): Add new arguments.  Pass them to
1376          vect_get_constant_vectors.
1377
1378 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
1379
1380         * basic-block.h (single_succ_edge): Use gcc_checking_assert.
1381         (single_pred_edge, ei_container, ei_next, ei_prev): Likewise.
1382         * cfghooks.c (fixup_reorder_chain): Likewise.
1383         * cfgrtl.c (cfg_layout_merge_blocks): Likewise.
1384         * cgraph.c (cgraph_add_thunk): Likewise.
1385         (cgraph_create_edge_1): Likewise.
1386         (cgraph_create_virtual_clone): Likewise.
1387         * ddg.c (add_cross_iteration_register_deps): Likewise.
1388         * dwarf2out.c (modified_type_die): Likewise.
1389         * emit-rtl.c (set_mem_alias_set): Likewise.
1390         * ggc-zone.c (zone_allocate_marks): Likewise.
1391         * gimple-iterator.c (gsi_move_to_bb_end): Likewise.
1392         * gimple.c (iterative_hash_gimple_type): Likewise.
1393         * graphite-scop-detection.c (create_single_entry_edge): Likewise.
1394         (create_single_exit_edge): Likewise.
1395         * haifa-sched.c (choose_ready): Likewise.
1396         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1397         * passes.c (execute_todo): Likewise.
1398         * sched-ebb.c (begin_schedule_ready): Likewise.
1399         * sel-sched.c (code_motion_process_successors): Likewise.
1400         * tree-call-cdce.c (gen_conditions_for_pow): Likewise.
1401         * tree-cfg-cleanup.c (tree_forwarder_block_p): Likewise.
1402         * tree-flow-inline.h (link_imm_use, move_use_after_head): Likewise.
1403         (phi_arg_index_from_use, phi_ssa_name_p): Likewise.
1404         * tree-into-ssa.c (insert_updated_phi_nodes_for): Likewise.
1405         * tree-ssa-coalesce.c (ssa_conflicts_test_p): Likewise.
1406         (ssa_conflicts_add): Likewise.
1407         * tree-ssa-copy.c (replace_exp): Likewise.
1408         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
1409         * tree-ssa-forwprop.c (simple_gimple_switch): Likewise.
1410         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
1411         * tree-ssa-pre.c (bitmap_value_insert_into_set): Likewise.
1412         (compute_antic): Likewise.
1413         * tree-ssa-ter.c (add_to_partition_kill_list): Likewise.
1414         (add_dependence): Likewise.
1415         (process_replaceable, kill_expr, find_replaceable_exprs): Likewise.
1416         * tree-vrp.c (supports_overflow_infinity): Likewise.
1417         (make_overflow_infinity, negative_overflow_infinity): Likewise.
1418         (avoid_overflow_infinity, register_new_assert_for): Likewise.
1419         (process_assert_insertions_for): Likewise.
1420         * var-tracking.c (dv_is_value_p, dv_as_decl, dv_from_decl): Likewise.
1421         (dv_from_value, variable_union, find_loc_in_1pdv): Likewise.
1422         (intersect_loc_chains, variable_merge_over_cur): Likewise.
1423
1424 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
1425
1426         * cfgloop.c (flow_loops_find): Call bb_has_abnormal_pred.
1427         * reload1.c (has_nonexceptional_receiver): Likewise.
1428         * tree-into-ssa.c (rewrite_update_enter_block): Likewise.
1429         (create_new_def_for): Likewise.
1430         * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
1431         (merge_phi_nodes): Likewise.
1432         (has_abnormal_incoming_edge_p): Delete.
1433
1434 2010-10-21  H.J. Lu  <hongjiu.lu@intel.com>
1435
1436         * config/i386/sse.md (ssescalarmodesuffix): Add V8SI and V4DI.
1437
1438 2010-10-21  Richard Guenther  <rguenther@suse.de>
1439             Michael Matz  <matz@suse.de>
1440
1441         PR tree-optimization/45764
1442         * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
1443         Adjust initial misalignment for negative DR_STEP.
1444         (vect_find_same_alignment_drs): Two DRs with different DR_STEP
1445         do not have the same alignment over the whole iteration domain.
1446
1447 2010-10-21  Richard Guenther  <rguenther@suse.de>
1448
1449         PR tree-optimization/46111
1450         * tree-parloops.c (take_address_of): Re-organize for MEM_REF.
1451
1452 2010-10-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1453
1454         * config/s390/s390.md (*xordi3_cc): Mark xgrk as z196 only.
1455
1456 2010-10-21  Tristan Gingold  <gingold@adacore.com>
1457
1458         * config/vms/vms-crtl.h (CRTL_NAMES): Add new translations.
1459         * config/vms/vms-crtl-64.h (CRTL_NAMES): Ditto.
1460
1461 2010-10-21  Tristan Gingold  <gingold@adacore.com>
1462
1463         * config/alpha/vms-unwind.h (alpha_vms_fallback_frame_state): Set
1464         signal_frame.
1465         * config/alpha/alpha.c (alpha_function_arg): Adjust call.
1466
1467 2010-10-21  Tristan Gingold  <gingold@adacore.com>
1468
1469         * config/ia64/vms64.h (TARGET_DEFAULT): Add MASK_FUSED_MADD.
1470         * config/ia64/vms.h (TARGET_DEFAULT): Ditto.
1471
1472 2010-10-20  Nathan Froyd  <froydnj@codesourcery.com>
1473
1474         * basic-block.h (find_fallthru_edge): Define.
1475         * cfgcleanup.c (merge_blocks_move): Use it.
1476         (try_crossjump_bb): Likewise.
1477         * cfglayout.c (fixup_reorder_chains): Likewise.
1478         (fixup_fallthru_exit_predecessor): Likewise.
1479         * cfgrtl.c (rtl_split_edge): Likewise.
1480         (rtl_verify_flow_info): Likewise.
1481         * function.c (thread_prologue_and_epilogue_insns): Likewise.
1482         * gimple-pretty-print.c (dump_implicit_edges): Likewise.
1483         * ifcvt.c (block_fallthru): Likewise.
1484         * reload1.c (fixup_abnormal_edges): Likewise.
1485         * sched-ebb.c (being_schedule_ready): Likewise.
1486         (schedule_ebb): Likwise.
1487         * sched-rgn.c (find_single_block_region): Likewise.
1488         * sel-sched-ir.c (bb_ends_ebb_p): Likewise.
1489         * tree-complex.c (expand_complex_move): Likewise.
1490         * sched-int.h (find_fallthru_edge): Rename to...
1491         (find_fallthru_edge_from): ...this.
1492         * haifa-sched.c (find_fallthru_edge): Rename to...
1493         (find_fallthru_edge_from): ...this.  Use new find_fallthru_edge.
1494         (init_before_recovery): Call find_fallthru_edge_from.
1495         * sel-sched-ir.c (merge_fences): Likewise.
1496         * sel-sched.c (in_fallthru_bb_p): Likewise.
1497         (move_cond_jump): Likewise.
1498
1499 2010-10-20  Paul Koning  <ni1d@arrl.net>
1500
1501         * config/pdp11/pdp11.md (various): Fix conditions on a number of
1502         insn to check for target 11/40 or higher.
1503
1504 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
1505
1506         * parser.c (c_parser_objc_method_type): Mark inline.  Return a
1507         bool instead of a tree.
1508         (c_parser_objc_method_decl): Added bool argument.  Updated call to
1509         objc_build_method_signature.
1510         (c_parser_objc_method_definition): Do not call
1511         objc_set_method_type.  Updated calls to c_parser_objc_method_type,
1512         c_parser_objc_method_decl and objc_start_method_definition.
1513         (c_parser_objc_methodproto): Do not call objc_set_method_type.
1514         Updated calls to c_parser_objc_method_type,
1515         c_parser_objc_method_decl and objc_add_method_declaration.
1516
1517 2010-10-20  Jakub Jelinek  <jakub@redhat.com>
1518
1519         PR tree-optimization/45919
1520         * tree-ssa-ccp.c (fold_nonarray_ctor_reference): Handle flexible
1521         array members.
1522
1523         PR tree-optimization/46066
1524         * tree-parloops.c (create_parallel_loop): Use gsi_last_nondebug_bb
1525         instead of gsi_last_bb.
1526
1527 2010-10-20  DJ Delorie  <dj@redhat.com>
1528
1529         * config/m32c/m32c.c (m32c_option_override): Always disable
1530         function-cse in 16-bit mode.  Indirect calls are always worse than
1531         direct calls as there is no 16-bit indirect call opcode.
1532         (m32c_override_options_after_change): New, likewise.
1533
1534 2010-10-20  Nathan Froyd  <froydnj@codesourcery.com>
1535
1536         * ifcvt.c (noce_emit_cmove): If both of the values are SUBREGs, try
1537         emitting the conditional move in the inner mode of the SUBREG.
1538
1539 2010-10-20  Anatoly Sokolov  <aesok@post.ru>
1540
1541         * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Remove macros.
1542         * config/ia64/ia64-protos.h (ia64_preferred_reload_class): Remove.
1543         * config/ia64/ia64.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1544         (ia64_preferred_reload_class): Make static.  Change rclass argument
1545         and result types from enum reg_class to reg_class_t.
1546
1547 2010-10-20  Pat Haugen  <pthaugen@us.ibm.com>
1548
1549         * tree-ssa-ter.c (find_replaceable_in_bb): Allow replacement over
1550         call for single operand expression.
1551
1552 2010-10-20  Eric Botcazou  <ebotcazou@adacore.com>
1553
1554         * tree-optimize.c (execute_fixup_cfg): Purge dead abnormal call edges
1555         if there is a call statement to pure or const function in the block.
1556
1557 2010-10-20  Paul Koning  <pkoning@equallogic.com>
1558
1559         Fix several build errors for pdp11 target.
1560         * config/pdp11/pdp11.md (*cmpdf): Fix tstd operands.
1561         (cbranchdf4): Conditional on TARGET_FPU.
1562         (movdf): Ditto; correct alternatives check.
1563         (movmemhi): Fix predicate and constraint.
1564         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Handle 64 bit mode.
1565
1566 2010-10-20  Richard Guenther  <rguenther@suse.de>
1567
1568         PR lto/45667
1569         * lto-streamer-out.c (output_gimple_stmt): Fix typo.
1570         * tree-cfg.c (verify_gimple_call): Properly get the call fndecl.
1571         (verify_gimple_assign_single): Disable ADDR_EXPR type check
1572         when in LTO.
1573
1574 2010-10-20  Vladimir Makarov  <vmakarov@redhat.com>
1575
1576         PR fortran/42169
1577         * ira-emit.c (store_can_be_removed_p): Return false instead of
1578         gcc_unreachable.
1579
1580 2010-10-20  Dmitry Melnik  <dm@ispras.ru>
1581
1582         * fold-const.c (fold_binary_loc): New transformation.
1583
1584 2010-10-20  H.J. Lu  <hongjiu.lu@intel.com>
1585
1586         PR target/46085
1587         * config/i386/sse.md (reduc_splus_v8sf): Updated.
1588         (reduc_splus_v4df): Likewise.
1589
1590 2010-10-20  Richard Guenther  <rguenther@suse.de>
1591
1592         PR tree-optimization/45860
1593         * tree-ssa-phiopt.c (cond_store_replacement): Do not do
1594         conditional store replacement for non-register type stores.
1595
1596 2010-10-20  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598         * stor-layout.c (skip_simple_constant_arithmetic): New function.
1599         (self_referential_size): Use it instead of skip_simple_arithmetic.
1600
1601 2010-10-20  Olivier Hainque  <hainque@adacore.com>
1602
1603         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p):
1604         If the current function calls eh_return, claim live all registers
1605         that we need to check for liveness otherwise.
1606
1607 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
1608
1609         * c-decl.c (c_write_global_declarations): Call
1610         objc_write_global_declarations when compiling Objective-C.
1611         * c-lang.c (finish_file): Removed.
1612
1613 2010-10-19  DJ Delorie  <dj@redhat.com>
1614
1615         * doc/tm.texi.in (TARGET_ASM_JUMP_ALIGN_MAX_SKIP): New.
1616         (TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Change to hook.
1617         (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Likewise.
1618         (TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Likewise.
1619         * doc/tm.texi: Regenerate.
1620         * targhooks.h (default_label_align_after_barrier_max_skip,
1621         default_loop_align_max_skip, default_label_align_max_skip,
1622         default_jump_align_max_skip): Declare.
1623         * target.def (label_align_after_barrier_max_skip): New.
1624         (loop_align_max_skip): New.
1625         (label_align_max_skip): New.
1626         (jump_align_max_skip): New.
1627         * system.h (poison): Add those macros to the list.
1628         * final.c (LABEL_ALIGN_MAX_SKIP): Remove.
1629         (LOOP_ALIGN_MAX_SKIP): Remove.
1630         (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Remove.
1631         (JUMP_ALIGN_MAX_SKIP): Remove.
1632         (default_label_align_after_barrier_max_skip): New.
1633         (default_loop_align_max_skip): New.
1634         (default_label_align_max_skip): New.
1635         (default_jump_align_max_skip): New.
1636         (compute_alignments): Use the new hooks.
1637         (shorten_branches): Likewise.
1638
1639 2010-10-19  Richard Henderson  <rth@redhat.com>
1640
1641         * config/i386/i386.c (bdesc_multi_arg): Use fma4i_fmadd_<mode>.
1642         * config/i386/sse.md (fma<mode>4): Enable for FMA & SSE_MATH.
1643         (fma4i_fmadd_<mode>): New.
1644         (*split_fma, *split_fms, *split_fnma, *split_fnms): Rename from
1645         fma4_fm*_<mode> and adjust to be pre-reload splitters to the
1646         standard fma patterns.
1647         (fmaddsub_<mode>): Rename from fma4i_fmaddsub_<mode> and
1648         enable for FMA.
1649         (*fma_fmadd_<mode>, *fma_fmsub_<mode>): New.
1650         (*fma_fmadd_<mode>, *fma_fmsub_<mode>): New.
1651         (*fma_fmaddsub_<mode>, *fma_fmsubadd_<mode>): New.
1652
1653 2010-10-19  Paul Koning  <pkoning@equallogic.com>
1654
1655         * lower-subreg.c (resolve_shift_zext): Delete conditional code for
1656         WORDS_BIG_ENDIAN != BYTES_BIG_ENDIAN.
1657
1658 2010-10-19  Richard Henderson  <rth@redhat.com>
1659
1660         * config/ia64/ia64.md (fmasf4, *fmssf4, *nfmasf4): New.
1661         (fmadf4, *fmsdf4, *nfmadf4): New.
1662         (fmaxf4, *fmsxf4, *nfmaxf4): New.
1663
1664 2010-10-19  Michael Eager  <eager@eagercon.com>
1665
1666         * config/microblaze/microblaze.c (TARGET_EXCEPT_UNWIND_INFO):
1667         Use sjlj unwind info for exceptions.
1668
1669 2010-10-19  Francois-Xavier Coudert<fxcoudert@gcc.gnu.org>
1670
1671         PR fortran/43414
1672         * dwarf2out.c (add_calling_convention_attribute): Flag main
1673         Fortran subroutine with DW_AT_main_subprogram.
1674
1675 2010-10-19  Nick Clifton  <nickc@redhat.com>
1676
1677         * config/rx/rx.c (rx_function_value): Small integer types are
1678         promoted to SImode.
1679         (rx_promote_function_mode): New function.
1680         (TARGET_PROMOTE_FUNCTION_MODE): Define.
1681
1682 2010-10-19  Nick Clifton  <nickc@redhat.com>
1683
1684         * config/mep/mep.c (mep_print_operand): Use
1685         targetm.strip_name_encoding.
1686         (mep_output_aligned_common): Likewise.
1687
1688 2010-10-19  Basile Starynkevitch  <basile@starynkevitch.net>
1689
1690         * gengtype.c (new_structure): Remove ad-hoc "location_s" processing.
1691
1692 2010-10-18  Richard Henderson  <rth@redhat.com>
1693
1694         * simplify-rtx.c (simplify_ternary_operation) [FMA]: Simplify
1695         (fma (neg a) (neg b) c) and (fma a (neg b) c).
1696
1697 2010-10-18  Richard Henderson  <rth@redhat.com>
1698
1699         * config/i386/i386.c (IX86_BUILTIN_VFMSUBSS, IX86_BUILTIN_VFMSUBSD,
1700         IX86_BUILTIN_VFMSUBPS, IX86_BUILTIN_VFMSUBPD,
1701         IX86_BUILTIN_VFMSUBADDPS, IX86_BUILTIN_VFMSUBADDPD,
1702         IX86_BUILTIN_VFNMADDSS, IX86_BUILTIN_VFNMADDSD,
1703         IX86_BUILTIN_VFNMADDPS, IX86_BUILTIN_VFNMADDPD,
1704         IX86_BUILTIN_VFNMSUBSS, IX86_BUILTIN_VFNMSUBSD,
1705         IX86_BUILTIN_VFNMSUBPS, IX86_BUILTIN_VFNMSUBPD,
1706         IX86_BUILTIN_VFMSUBADDPS256, IX86_BUILTIN_VFMSUBADDPD256,
1707         IX86_BUILTIN_VFNMADDPS256, IX86_BUILTIN_VFNMADDPD256,
1708         IX86_BUILTIN_VFNMSUBPS256, IX86_BUILTIN_VFNMSUBPD256): Remove.
1709         (bdesc_multi_arg): Remove the corresponding builtins.
1710         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Remove.
1711         (UNSPEC_FMA4_FMSUBADD): Remove.
1712         (UNSPEC_FMADDSUB): Rename from UNSPEC_FMA4_FMADDSUB.
1713         * config/i386/sse.md (FMA4MODEF4): Remove.
1714         (FMAMODE): Add.
1715         (fma<mode>4): New expander.
1716         (*fma4i_fmadd_<mode>): Macroize from fma4i_fmadd<mode>4 patterns,
1717         and use FMA rtx code instead of UNSPEC_FMA4_INTRINSIC.
1718         (*fma4i_fmsub_<mode>): Similarly.
1719         (*fma4i_fnmadd_<mode>): Similarly.
1720         (*fma4i_fnmsub_<mode>): Similarly.
1721         (fma4i_vmfmadd_<mode>): Scalar patterns zero-extend, not merge
1722         with the first operand.
1723         (fma4i_fmaddsub_<mode>): Represent with UNSPEC_FMADDSUB instead
1724         of explicit arithmetic.  Macroize with AVXMODEF2P.
1725         (*fma4i_fmsubadd_<mode>): Represent with UNSPEC_FMADDSUB + NEG.
1726         (xop_frcz<mode>2): Macroize with FMAMODE.
1727         (xop_vmfrcz<mode>2): Scalar patterns zero-extend, not merge with
1728         the first operand.
1729         * config/i386/fma4intrin.h (_mm_msub_ps): Use vfmadd intrinsic with
1730         extra negations.
1731         (_mm_msub_pd, _mm_msub_ss, _mm_msub_sd): Likewise.
1732         (_mm_nmacc_ps, _mm_nmacc_pd, _mm_nmacc_ss, _mm_nmacc_sd): Likewise.
1733         (_mm_nmsub_ps, _mm_nmsub_pd, _mm_nmsub_ss, _mm_nmsub_sd): Likewise.
1734         (_mm256_msub_ps, _mm256_msub_pd): Likewise.
1735         (_mm256_nmacc_ps, _mm256_nmacc_pd): Likewise.
1736         (_mm256_nmsub_ps, _mm256_nmsub_pd): Likewise.
1737         (_mm_msubadd_ps): Use vfmaddsub intrinsic with extra negation.
1738         (_mm_msubadd_pd, _mm256_msubadd_ps, _mm256_msubadd_pd): Likewise.
1739
1740 2010-10-18  Bernd Schmidt  <bernds@codesourcery.com>
1741
1742         PR rtl-optimization/45966
1743         * combine.c (try_combine): If added_sets_2, deal with the case
1744         where i0 feeds i1 and i1 feeds i2.
1745
1746 2010-10-18  Jan Hubicka  <jh@suse.cz>
1747
1748         * ipa.c (cgraph_externally_visible_p): Handle externally visible and
1749         preserve flags before trying to guess on visibility.
1750         (varpool_externally_visible_p): New function.
1751         (function_and_variable_visibility): Use it.
1752
1753 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
1754
1755         Implemented parsing @synthesize and @dynamic for Objective-C.
1756         * c-parser.c (c_parser_external_declaration): Recognize
1757         RID_AT_SYNTHESIZE and RID_AT_DYNAMIC.
1758         (c_parser_objc_at_synthesize_declaration): New.
1759         (c_parser_objc_at_dynamic_declaration): New.
1760
1761 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
1762
1763         * c-parser.c (c_parser_objc_class_declaration): After finding an
1764         error, parse the whole declaration then reset parser->error.
1765
1766 2010-10-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1767
1768         PR target/46041
1769         * tree.h (mode_has_fma): Delete, move to c-cppbuiltins.c.
1770         * builtins.c (mode_has_fma): Ditto.
1771
1772 2010-10-18  Steve Ellcey  <sje@cup.hp.com>
1773
1774         PR target/36898
1775         PR middle-end/43760
1776         * config/ia64/ia64.c (rws_access_regno): Remove predicate check.
1777
1778 2010-10-18  Joseph Myers  <joseph@codesourcery.com>
1779
1780         * config/i386/i386.c (ix86_option_override_internal): Define and
1781         use USE_X86_64_FRAME_POINTER for 64-bit flag_omit_frame_pointer
1782         default.
1783         * config/i386/sol2-10.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1784         (USE_IX86_FRAME_POINTER, USE_X86_64_FRAME_POINTER): Define.
1785
1786 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
1787
1788         Merge from 'apple/trunk' branch on FSF servers.
1789         * c-parser.c (c_parser_objc_type_name): Adapted to new parser the
1790         following Objective-C change:
1791
1792         2005-10-10  Fariborz Jahanian <fjahanian@apple.com>
1793
1794         Radar 4301047
1795         * c-parse.in (objc_quals): Build objc qualifier list same way
1796         as gcc-3.3
1797
1798 2010-10-18  Jan Hubicka  <jh@suse.cz>
1799
1800         * ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p,
1801         function_and_variable_visibility): Revert accidental commit.
1802
1803 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
1804
1805         Merge from 'apple/trunk' branch on FSF servers.
1806         * c-parser.c (c_parser_typeof_specifier): Adapted to new parser
1807         the following Objective-C change:
1808
1809         2005-10-07  Fariborz Jahanian <fjahanian@apple.com>
1810
1811         Radar 4204796
1812         * c-parse.in (typespec_nonreserved_nonattr): Remove volatile from
1813         'volatilized' type used in a typeof operator.
1814
1815 2010-10-18  Eric Botcazou  <ebotcazou@adacore.com>
1816
1817         * tree-flow.h (gimple_purge_all_dead_abnormal_call_edges): Declare.
1818         * tree-cfg.c (gimple_purge_dead_abnormal_call_edges): Move around and
1819         rewrite modelled on gimple_purge_dead_eh_edges.
1820         (gimple_purge_all_dead_abnormal_call_edges): New function.
1821         * tree-inline.c (expand_call_inline): Call gimple_purge_dead_eh_edges
1822         directly instead of through gimple_purge_dead_abnormal_call_edges.
1823         * tree-ssa-pre.c (need_ab_cleanup): New static variable.
1824         (eliminate): Set bit in need_ab_cleanup for the basic block if we have
1825         removed AB side-effects from one of its statements.
1826         (init_pre): Initialize need_ab_cleanup.
1827         (fini_pre): Purge dead abnormal call edges and clean up the CFG if bits
1828         are set in need_ab_cleanup.  Free need_ab_cleanup afterward.
1829
1830 2010-10-18  Jakub Jelinek  <jakub@redhat.com>
1831
1832         PR c/46015
1833         * c-parser.c (c_parser_statement_after_labels): Call mark_exp_read
1834         on computed goto argument.
1835
1836 2010-10-18  Richard Guenther  <rguenther@suse.de>
1837
1838         PR tree-optimization/45967
1839         * tree-ssa-structalias.c (type_could_have_pointers): Remove.
1840         (could_have_pointers): Likewise.
1841         (handle_rhs_call, handle_const_call, handle_pure_call,
1842         find_func_aliases, intra_create_variable_infos): Remove calls to them.
1843         (struct fieldoff): Add must_have_pointers field.
1844         (type_must_have_pointers): New function.
1845         (field_must_have_pointers): Likewise.
1846         (push_fields_onto_fieldstack): Remove must_have_pointers_p argument.
1847         Adjust field merging.
1848         (create_function_info_for): May-have-pointers of varinfo is
1849         almost always true.
1850         (create_variable_info_for_1): Likewise.
1851
1852 2010-10-18  Tejas Belagod  <tejas.belagod@arm.com>
1853
1854         * config/arm/neon.md (neon_move_hi_quad_<mode>): Fix the order
1855         of operands to vec_concat.
1856
1857 2010-10-18  Richard Guenther  <rguenther@suse.de>
1858
1859         PR lto/44950
1860         * tree.c (free_lang_data_in_decl): As we clear TYPE_METHODS
1861         also clear references to entries of it.
1862
1863 2010-10-18  Andi Kleen  <ak@linux.intel.com>
1864
1865         PR other/43448
1866         * gccbug.in: Remove.
1867         * Makefile.in (GCCBUG_INSTALL_NAME, gccbug): Remove
1868         (doc, distclean, install-common): Remove reference to gccbug.
1869         * configure: Regenerate.
1870         * configure.ac (all_outputs): Remove gccbug.
1871         * doc/configfiles.texi: Remove references to gccbug.
1872         * doc/sourcebuild.texi: Dito.
1873
1874 2010-10-18  Jakub Jelinek  <jakub@redhat.com>
1875
1876         PR middle-end/46019
1877         * fold-const.c (fold_binary_loc): If integer_pow2p has
1878         TREE_INT_CST_LOW zero, look at TREE_INT_CST_HIGH.
1879
1880 2010-10-18  Basile Starynkevitch  <basile@starynkevitch.net>
1881             Jeremie Salvucci  <jeremie.salvucci@free.fr>
1882
1883         * gengtype.c (verbosity_level): Add variable.
1884         (set_gc_used): Count variables for verbosity.
1885         (close_output_files): Backing up files, counting written ones
1886         verbosily.
1887         (write_types): Count emitted functions for verbosity. Added
1888         debug messages.
1889         (write_enum_defn): Count structures for verbosity. Added debug
1890         messages.
1891         (gengtype_long_options): Add "verbose" & "backupdir".
1892         (print_usage): Ditto.
1893         (main): Verbose display of parsed files.
1894
1895         * gengtype.h (verbosity_level): Add declaration.
1896
1897 2010-10-18  Basile Starynkevitch  <basile@starynkevitch.net>
1898
1899         * gengtype.c (parse_program_options): Add allocation of
1900         plugin_files, and correct test on nb_plugin_files.
1901
1902 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
1903
1904         Merge from 'apple/trunk' branch on FSF servers.
1905
1906         2006-03-27 Fariborz Jahanian <fjahanian@apple.com>
1907
1908         Radar 4133425
1909         * c-decl.c (undeclared_variable): Issue diagnostic on
1910         private 'ivar' access.
1911
1912 2010-10-17  Uros Bizjak  <ubizjak@gmail.com>
1913
1914         PR target/46051
1915         * config/i386/sse.md (vec_interleave_highv4df): Fix third RTX of
1916         generated sequence to match *avx_vperm2f128<mode>_nozero.
1917         (vec_interleave_lowv4df): Ditto.
1918         (vec_interleave_highv8sf): Ditto.
1919         (vec_interleave_lowv8sf): Ditto.
1920
1921 2010-10-17  Kai Tietz  <kai.tietz@onevision.com>
1922
1923         * libgcov.c (create_file_directory): Enable it for win32 case.
1924         (gcov_exit): De-couple GCOV_PREFIX and GCOV_PREFIX_STRIP.
1925         * doc/gcov.texi (GCOV_PREFIX): Adjusted.
1926         (GCOV_PREFIX_SKIP): Likewise.
1927
1928 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
1929
1930         * doc/objc.texi (GNU Objective-C runtime API): New section.
1931         (Modern GNU Objective-C runtime API): New section.
1932         (Traditional GNU Objective-C runtime API): New section.
1933         (Executing code before main): Mention that this section is
1934         specific to the GNU Objective-C runtime.
1935         (Garbage Collection): Same.
1936
1937 2010-10-17  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         * c-parser.c (c_parser_for_statement): Move initialization of
1940         cond and incr before if.
1941
1942 2010-10-17  Anatoly Sokolov  <aesok@post.ru>
1943
1944         * target.def (preferred_output_reload_class): New hook.
1945         * doc/tm.texi.in (TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Document.
1946         * doc/tm.texi: Regenerate.
1947         * targhooks.c (default_preferred_output_reload_class): New function.
1948         * targhooks.h (default_preferred_output_reload_class): Declare.
1949         * reload.c (find_dummy_reload): Change rclass argument type from
1950         enum reg_class to reg_class_t. Change this_alternative array type
1951         from enum reg_class to reg_class_t.
1952         Use TARGET_PREFERRED_OUTPUT_RELOAD_CLASS target hook.
1953         (push_reload): Change preferred_class variable type to reg_class_t.
1954         Use TARGET_PREFERRED_OUTPUT_RELOAD_CLASS target hook.
1955         * recog.c (reg_fits_class_p): Change result type to bool. Change cl
1956         argument type from enum reg_class to reg_class_t. Use
1957         HARD_REGISTER_NUM_P predicate.
1958         * recog.h (reg_fits_class_p): Update prototype.
1959
1960         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1961         * config/i386/i386-protos.h (ix86_preferred_output_reload_class):
1962         Remove.
1963         * config/i386/i386.c (ix86_preferred_output_reload_class): Make
1964         static. Change regclass argument and result types from enum reg_class
1965         to reg_class_t.
1966         (TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1967
1968 2010-10-17  Iain Sandoe  <iains@gcc.gnu.org>
1969
1970         * c-parser.c (c_parser_objc_class_instance_variables): Update to use
1971         visibility enum, and handle @package.
1972
1973 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
1974
1975         * doc/objc.texi (What you can and what you cannot do in +load):
1976         Document that sending messages to constant string objects in +load
1977         is not guaranteed to work.
1978
1979 2010-10-16  Jan Hubicka  <jh@suse.cz>
1980
1981         PR middle-end/44206
1982         * ipa.c (cgraph_remove_unreachable_nodes): Cleanup; check
1983         existence of refrences before removing the function.
1984
1985 2010-10-16  Jan Hubicka  <jh@suse.cz>
1986
1987         * cgraph.c (dump_cgraph_node): Dump same_comdat_group,
1988         only_called_at_startup and only_called_at_exit.
1989         (cgraph_propagate_frequency): Compute only_called_at_startup and
1990         only_called_at_exit.
1991         * cgraph.h (struct cgraph_node): New fileds only_called_at_startup and
1992         only_called_at_exit.
1993         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream the new
1994         flags.
1995         * predict.c (compute_function_frequency): Initialize the new flags.
1996
1997 2010-10-16  Eric Botcazou  <ebotcazou@adacore.com>
1998
1999         * gimplify.c (gimplify_type_sizes) <ARRAY_TYPE>: If the type is to be
2000         ignored for debug info purposes, do not clear the DECL_IGNORED_P flag
2001         on the bounds of its domain.
2002         * tree.h (DECL_IGNORED_P): Document effect on TYPE_DECL specifically.
2003
2004 2010-10-16  Anatoly Sokolov  <aesok@post.ru>
2005
2006         * config/avr/avr.h (PREFERRED_RELOAD_CLASS): Remove.
2007         * config/avr/avr-protos.h (preferred_reload_class): Remove.
2008         * config/avr/avr.c (preferred_reload_class): Remove.
2009         * config/pa/pa.h (PREFERRED_RELOAD_CLASS): Remove.
2010         * config/pa/pa.c (emit_move_sequence): Update comment
2011         * config/arc/arc.h (PREFERRED_RELOAD_CLASS): Remove.
2012         * config/crx/crx.h (PREFERRED_RELOAD_CLASS): Remove.
2013         * config/fr30/fr30.h (PREFERRED_RELOAD_CLASS): Remove.
2014         * config/frv/frv.h (PREFERRED_RELOAD_CLASS): Remove.
2015         * config/h8300/h8300.h (PREFERRED_RELOAD_CLASS): Remove.
2016         * config/lm32/lm32.h (PREFERRED_RELOAD_CLASS): Remove.
2017         * config/m32r/m32r.h (PREFERRED_RELOAD_CLASS): Remove.
2018         * config/moxie/moxie.h (PREFERRED_RELOAD_CLASS): Remove.
2019         * config/picochip/picochip.h (PREFERRED_RELOAD_CLASS): Remove.
2020         * config/rx/rx.h (PREFERRED_RELOAD_CLASS): Remove.
2021         * config/spu/spu.h (PREFERRED_RELOAD_CLASS): Remove.
2022         * config/v850/v850.h (PREFERRED_RELOAD_CLASS): Remove.
2023         * config/vax/vax.h (PREFERRED_RELOAD_CLASS): Remove.
2024
2025 2010-10-16  Joseph Myers  <joseph@codesourcery.com>
2026
2027         * opts.c (set_fast_math_flags,
2028         set_unsafe_math_optimizations_flags): Make static.
2029         * toplev.h (set_fast_math_flags,
2030         set_unsafe_math_optimizations_flags): Remove prototypes.
2031
2032 2010-10-16  Joseph Myers  <joseph@codesourcery.com>
2033
2034         * config/arm/arm.c (arm_option_optimization): Set
2035         flag_section_anchors to 1 not 2.
2036         * config/i386/i386.c (ix86_option_override_internal): Check
2037         global_options_set.x_flag_zee and
2038         global_options_set.x_flag_omit_frame_pointer.
2039         (ix86_option_optimization): Don't set flag_omit_frame_pointer and
2040         flag_zee to 2.
2041         * config/i386/sol2-10.h (SUBTARGET_OVERRIDE_OPTIONS): Check
2042         global_options_set.x_flag_omit_frame_pointer.
2043         * config/rs6000/rs6000.c (rs6000_option_init_struct): Set
2044         opts->x_flag_section_anchors to 1 not 2.
2045         * config/sh/sh.c (sh_option_optimization): Don't set
2046         flag_schedule_insns to 2.
2047         (sh_option_override): Check
2048         global_options_set.x_flag_schedule_insns.
2049         * opts.c (finish_options): Check opts_set->x_flag_section_anchors.
2050
2051 2010-10-16  Kai Tietz  <kai.tietz@onevision.com>
2052
2053         * configure.ac: Make sure inhibit_libc remains false for mingw targets
2054         as cross.
2055         * configure: Regenerated.
2056
2057 2010-10-15  Xinliang David Li  <davidxl@google.com>
2058
2059         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths): New
2060         function.
2061         (use_pred_not_overlap_with_undef_path_pred): Outline phi arg pruning
2062         into a recursive function.
2063
2064 2010-10-15  Uros Bizjak  <ubizjak@gmail.com>
2065
2066         * config/i386/i386.md (*movdfcc_1_rex64): Correct mode attribute.
2067         (*movdfcc_1): ditto.
2068
2069 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
2070
2071         * target.def (target_option.init_struct): New hook.
2072         * doc/tm.texi.in (TARGET_OPTION_INIT_STRUCT): New @hook.
2073         * doc/tm.texi: Regenerate.
2074         * hooks.c (hook_void_gcc_optionsp): New.
2075         * hooks.h (hook_void_gcc_optionsp): Declare.
2076         * langhooks-def.h (lhd_init_options_struct): Remove.
2077         (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define to hook_void_gcc_optionsp.
2078         * langhooks.c (lhd_init_options_struct): Remove.
2079         * opts.c (init_options_struct): Also call
2080         targetm.target_option.init_struct.
2081         * config/i386/i386.c (ix86_option_init_struct,
2082         TARGET_OPTION_INIT_STRUCT): New.
2083         (ix86_option_optimization): Move some settings to
2084         ix86_option_init_struct.
2085         * config/pdp11/pdp11.c (pdp11_option_init_struct,
2086         TARGET_OPTION_INIT_STRUCT): New.
2087         (pdp11_option_optimization): Move some settings to
2088         pdp11_option_init_struct.
2089         * config/rs6000/rs6000.c (rs6000_option_optimization): Replace by
2090         rs6000_option_init_struct.  Use options structure pointer.
2091         (TARGET_OPTION_OPTIMIZATION): Replace by TARGET_OPTION_INIT_STRUCT.
2092         * config/s390/s390.c (s390_option_init_struct,
2093         TARGET_OPTION_INIT_STRUCT): New.
2094         (s390_option_optimization): Don't set
2095         flag_asynchronous_unwind_tables here.
2096         * config/sh/sh.c (sh_option_init_struct,
2097         TARGET_OPTION_INIT_STRUCT): New.
2098         (sh_option_optimization): Don't set flag_finite_math_only here.
2099         * config/spu/spu.c (spu_option_optimization): Replace by
2100         spu_option_optimization.  Use options structure pointer.
2101         (TARGET_OPTION_OPTIMIZATION): Replace by TARGET_OPTION_INIT_STRUCT.
2102
2103 2010-10-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2104
2105         * doc/md.texi (Standard Names): Add fma@var{m}4 documentation.
2106
2107         * doc/rtl.texi (RTX_TERNARY): Document FMA is ternary.  Add
2108         SIGN_EXTRACT and ZERO_EXTRACT which were missing.
2109         (Standard names): Document fma.
2110
2111         * doc/cpp.texi (Common Predefined Macros): Document __FP_FAST_FMA,
2112         __FP_FAST_FMAF, __FP_FAST_FMAL.
2113
2114         * builitns.c (expand_builtin_mathfn_ternary): New function for
2115         expanding ternary math functions, like fma.
2116         (expand_builtin): Call it for the fma builtins.
2117
2118         * simplify-rtx.c (simplify_ternary_operation): Don't simplify FMA
2119         ops at present.
2120
2121         * tree-vect-stmts.c (vectorizable_call): Allow 3 argument
2122         vectorizable functions to support vectorizing fma.
2123
2124         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2125         Handle fma builtins.
2126
2127         * config/rs6000/vsx.md (UNSPEC_VSX_MADD): Delete.
2128         (UNSPEC_VSX_MSUB): Ditto.
2129         (UNSPEC_VSX_NMADD): Ditto.
2130         (UNSPEC_VSX_NMSUB): Ditto.
2131         (vsx_fmadd<mode>4*): Rewrite to use FMA rtl in some cases instead
2132         of UNSPEC. Renumber combiner patterns.
2133         (vsx_fmsub<mode>4*): Ditto.
2134         (vsx_fnmadd<mode>4*): Ditto.
2135         (vsx_fnmsub<mode>4*): Ditto.
2136
2137         * config/rs6000/altivec.md (UNSPEC_VNMSUBFP): Delete.
2138         (altivec_vmaddfp): Rewrite to use FMA rtl if no fused
2139         multiply/add.  Rename combiner pattern, and add TARGET_FUSED_MADD test.
2140         (altivec_vmaddfp_1): Ditto.
2141         (altivec_vmaddfp_2): Ditto.
2142         (atlivec_mulv4sf3): Ditto.
2143         (altivec_vnmsubfp): Ditto.
2144         (altivec_vnmsubfp_1): Ditto.
2145         (altivec_vnmsubfp_2): Ditto.
2146         (altivec_vnmsubfp_3): Delete.
2147
2148         * config/rs6000/rs6000.md (fmasf4): New insns for fma builtin support.
2149         (fmasf4_fpr): Ditto.
2150         (fmssf4_fpr): Ditto.
2151         (fnmasf4_fpr): Ditto.
2152         (fnmssf4_fpr): Ditto.
2153         (fmadf4): Ditto.
2154         (fmadf4_fpr): Ditto.
2155         (fmsdf4_fpr): Ditto.
2156         (fnmadf4_fpr): Ditto.
2157         (fnmsdf4_fpr): Ditto.
2158
2159         * optabs.h (OTI_fma): Add fma optab.
2160         (fma_optab): Ditto.
2161
2162         * genopinit.c (optabs): Set fma optab.
2163
2164         * rtl.def (FMA): Add FMA rtl.
2165
2166         * tree.h (mode_has_fma): New function to return if MODE supports a
2167         fast multiply and add instruction.
2168         * builtins.c (mode_has_fma): Ditto.
2169
2170 2010-10-15  Jan Hubicka  <jh@suse.cz>
2171
2172         * lto-streamer-out.c (write_symbol): Use pointer set of seen
2173         objects instead of bitmap.
2174         (produce_symtab): Likewise; output defined symbols first.
2175
2176 2010-10-15  Jie Zhang  <jie@codesourcery.com>
2177
2178         * doc/invoke.texi: Add -fstrict-volatile-bitfields to
2179         Option Summary and Index.
2180
2181 2010-10-15  Richard Guenther  <rguenther@suse.de>
2182
2183         * tree.c (free_lang_data_in_decl): Clear DECL_INITIAL
2184         for automatic variables again.
2185
2186 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
2187
2188         * doc/extend.texi (Variable Length): Don't refer to VLAs not
2189         conforming to C99.
2190
2191 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
2192
2193         * config/rx/rx.c (rx_option_optimization): Change to
2194         rx_override_options_after_change.  Don't change
2195         flag_lto_compression_level.  Don't check for changes to whether
2196         FPU instructions can be used.  Check and set only
2197         flag_finite_math_only, not other fast-math flags.
2198         (rx_option_override): Call rx_override_options_after_change.
2199         (TARGET_OPTION_OPTIMIZATION): Remove.
2200         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define.
2201
2202 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
2203
2204         * config/rs6000/rs6000.c (rs6000_option_optimization): Don't
2205         disable section anchors for lang_hooks.name[4] != 'O'.
2206
2207 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
2208
2209         * config/frv/frv.c (frv_option_optimization,
2210         TARGET_OPTION_OPTIMIZATION): Remove.
2211         * config/frv/frv.h (RCSP_SOFTWARE_PIPELINING): Remove.
2212
2213 2010-10-15  Michael Matz  <matz@suse.de>
2214
2215         * cgraphunit.c (clone_of_p): Define unconditionally.
2216
2217 2010-10-15  Richard Guenther  <rguenther@suse.de>
2218
2219         PR lto/45957
2220         * tree.c (free_lang_data_in_decl): Do not clear DECL_INITIAL of vars.
2221
2222 2010-10-15  Chung-Lin Tang  <cltang@codesourcery.com>
2223
2224         * ifcvt.c (find_active_insn_before): New function.
2225         (find_active_insn_after): New function.
2226         (cond_exec_process_if_block): Use new functions to replace
2227         prev_active_insn() and next_active_insn().
2228
2229 2010-10-14  Yao Qi  <yao@codesourcery.com>
2230
2231         PR target/45447
2232         * config/arm/arm.c (arm_build_builtin_va_list): Assign
2233         va_list_name to TYPE_STUB_DECL (va_list_type).
2234
2235 2010-10-14  Jan Hubicka  <jh@suse.cz>
2236
2237         PR middle-end/45621
2238         * cgraph.c (cgraph_update_edges_for_call_stmt_node): When new call is
2239         redirected to clone, be happy.
2240         * cgraph.h (cgraph node): Enable former_clone_of unconditinally.
2241         * cgraphunit.c (verify_cgraph_node, cgraph_materialize_clone): Handle
2242         former_clone_of unconditionally.
2243
2244 2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>
2245
2246         Merge from FSF apple 'trunk' branch.
2247         2006 Fariborz Jahanian <fjahanian@apple.com>
2248
2249         Radars 4436866, 4505126, 4506903, 4517826
2250         * c-parser.c (c_parser, objc_property_attr_context) New flag.
2251         (c_lex_one_token): Handle property attributes.
2252         (c_parser_external_declaration): Handle @property.
2253         (c_parser_declaration_or_fndef): Warn on invalid attributes before
2254         @alias, @class, @end and @property objc keywords.
2255         (c_parser_objc_methodprotolist): Handle @property.
2256         (c_parser_objc_property_attrlist): New.
2257         (c_parser_objc_at_property): New.
2258         * c-typeck.c (build_component_ref): Handle CLASS.property syntax.
2259         (build_modify_expr): Likewise.
2260
2261 2010-10-14  Jakub Jelinek  <jakub@redhat.com>
2262
2263         PR tree-optimization/46008
2264         * tree-if-conv.c (predicate_bbs): Try to canonicalize c2 if possible.
2265
2266 2010-10-14  Richard Guenther  <rguenther@suse.de>
2267
2268         PR tree-optimization/44913
2269         * tree-data-ref.c (disjoint_objects_p): Remove.
2270         (dr_may_alias_p): Simplify.  Only hand the base object to
2271         the alias-oracle.
2272         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
2273         some more trees, bail out instead of asserting.
2274         (ptr_derefs_may_alias_p): Likewise.  Export.
2275         (refs_may_alias_p_1): Handle STRING_CSTs.
2276         * tree-ssa-alias.h (ptr_derefs_may_alias_p): Declare.
2277
2278 2010-10-14  Joseph Myers  <joseph@codesourcery.com>
2279
2280         PR c/45969
2281         * c-typeck.c (build_binary_op): Don't try to compute a semantic
2282         type with excess precision for boolean operations.
2283
2284 2010-10-14  Jeremie Salvucci  <jeremie.salvucci@free.fr>
2285             Basile Starynkevitch  <basile@starynkevitch.net>
2286
2287         * gengtype.c:  Include getopt.h and version.h.
2288
2289         (lang_bitmap, struct outf, outf_p)
2290         (get_output_file_with_visibility, oprintf): Definitions moved to
2291         gengtype.h
2292         (output_files, header_file, srcdir, srcdir_len, this_file)
2293         (do_dump): No more static variables.
2294         (do_debug): New.
2295         (dbgprint_count_type_at): Added new function.
2296         (gengtype_long_options): New.
2297         (print_usage, print_version, parse_program_options): New.
2298         (main): Call parse_program_options, and removed old option
2299         handling code.  Added some debug output.
2300
2301         * gengtype.h:  Updated copyright year.
2302         (lang_bitmap, struct outf, outf_p, header_file, oprintf)
2303         (get_output_file_with_visibility, srcdir, srcdir_len, do_dump):
2304         Moved from gengtype.c to here.
2305         (do_debug, read_state_filename, write_state_filename): New variables.
2306         (DBGPRINTF, DBGPRINT_COUNT_TYPE): New macros.
2307
2308         * Makefile.in:
2309         (REVISION): Always defined.
2310         (version.o): Removed ifdef REVISION_c.
2311         (s-gtype): Pass arguments to build/gengtype program.
2312         (build/version.o): Added building rule.
2313         (build/gengtype$(build_exeext)): Added build/version.o.
2314
2315 2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>
2316
2317         Partial merge of 'ObjC GC' from FSF apple 'trunk' branch.
2318         * config/darwin-c.c (darwin_cpp_builtins): Define __weak and
2319         __strong macros.
2320
2321 2010-10-14  Eric Botcazou  <ebotcazou@adacore.com>
2322
2323         * sched-deps.c (sched_insn_is_legitimate_for_speculation): Invoke
2324         may_trap_or_fault_p instead of may_trap_p predicate.
2325         * tree.c (substitute_in_expr): Propagate the TREE_THIS_NOTRAP flag.
2326         (substitute_placeholder_in_expr): Likewise.
2327         * tree-inline.c (remap_gimple_op_r): Propagate the TREE_THIS_NOTRAP
2328         flag on MEM_REF nodes.
2329         (copy_tree_body_r): Propagate the TREE_READONLY and TREE_THIS_NOTRAP
2330         flags on INDIRECT_REF nodes.
2331
2332 2010-10-14  Nathan Froyd  <froydnj@codesourcery.com>
2333
2334         * config.gcc (arm*-*-linux-*eabi) <tm_file>: Add bpabi.h from libgcc.
2335         (arm*-*-uclinux*eabi) <tm_file>: Likewise.
2336         (arm*-*-eabi*) <tm_file>: Likewise.
2337         (frv-*-elf) <tm_file>: Add frv-abi.h from libgcc.
2338         (frv-*-*linux*) <tm_file>: Likewise.
2339         * config/arm/bpabi.h: Delete DECLARE_LIBRARY_RENAMES stanzas
2340         and associated helper macros.
2341         * config/frv/frv-abi.h: Delete.
2342
2343 2010-10-14  Richard Guenther  <rguenther@suse.de>
2344
2345         PR lto/44561
2346         * tree.def (NULLPTR_TYPE): New tree code.
2347         * dbxout.c (dbxout_type): Handle NULLPTR_TYPE.
2348         * dwarf2out.c (is_base_type): Likewise.
2349         (gen_type_die_with_usage): Likewise.
2350         * sdbout.c (plain_type_1): Likewise.
2351         * tree.c (build_int_cst_wide): Likewise.
2352         * gimple.c (gimple_types_compatible_p_1): NULLPTR_TYPE types are equal.
2353
2354 2010-10-14  Joseph Myers  <joseph@codesourcery.com>
2355
2356         * params.c (params_finished): New.
2357         (add_params): Assert !params_finished.
2358         (finish_params): New.
2359         (set_param_value_internal): Take params and params_set
2360         parameters.  Assert params_finished.
2361         (set_param_value, maybe_set_param_value): Take params and
2362         params_set parameters.  Update calls to set_param_value_internal.
2363         (set_default_param_value): Assert !params_finished.  Don't use
2364         set_param_value_internal.
2365         (default_param_value, init_param_values): New.
2366         * params.h (struct param_info): Change value to default_value.
2367         Remove set.
2368         (set_param_value, maybe_set_param_value): Add params and
2369         params_set parameters.
2370         (PARAM_VALUE): Get parameters from global_options.
2371         (PARAM_SET_P): Remove.
2372         (finish_params, default_param_value, init_param_values): New.
2373         * common.opt (param_values): New Variable.
2374         * config/arm/arm.c (arm_option_override): Pass extra arguments to
2375         maybe_set_param_value.
2376         * config/i386/i386.c (ix86_option_override_internal): Pass extra
2377         arguments to maybe_set_param_value.
2378         * config/picochip/picochip.c (picochip_option_override): Pass
2379         extra arguments to maybe_set_param_value.
2380         * config/rs6000/rs6000.c (rs6000_option_override_internal): Pass
2381         extra arguments to maybe_set_param_value.
2382         * config/s390/s390.c (s390_option_override): Use
2383         maybe_set_param_value instead of set_param_value.  Pass extra
2384         arguments to maybe_set_param_value.
2385         * config/sparc/sparc.c (sparc_option_override): Pass extra
2386         arguments to maybe_set_param_value.
2387         * config/spu/spu.c (spu_option_override): Pass extra arguments to
2388         maybe_set_param_value.
2389         * opts.c (handle_param): Take opts and opts_set parameters.
2390         Update call to set_param_value.
2391         (initial_min_crossjump_insns, initial_max_fields_for_field_sensitive,
2392         initial_loop_invariant_max_bbs_in_loop): Remove.
2393         (init_options_once): Don't set them.
2394         (init_options_struct): Initialize parameters structures.
2395         (default_options_optimization): Use default_param_value when
2396         restoring defaults.  Update calls to maybe_set_param_value.
2397         (finish_options): Update calls to maybe_set_param_value.
2398         (common_handle_option): Update calls to handle_param and
2399         set_param_value.
2400         * toplev.c (DEFPARAM): Update definition for changes to param_info.
2401         (general_init): Call finish_params.
2402
2403 2010-10-14  Nick Clifton  <nickc@redhat.com>
2404
2405         * config/mn10300/mn10300.h (CONSTANT_ALIGNMENT): Define.
2406         (DATA_ALIGNMENT, LOCAL_ALIGNMENT): Define.
2407         (FIRST_PSEUDO_REGISTER): Increase by one.
2408         (FIXED_REGISTERS, CALL_USED_REGISTERS): Update with CC_REG.
2409         (HARD_REGNO_MODE_OK): Call mn10300_hard_regno_mode_ok.
2410         (MODES_TIEABLE): Call mn10300_modes_tieable.
2411         (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add CC_REGS.
2412         (LEGITIMATE_CONSTANT_P): Call mn10300_legitimate_constant_p.
2413         (CC_OVERFLOW_UNUSABLE, CC_NO_CARRY, NOTICE_UPDATE_CC)
2414         (SELECT_CC_MODE, REVERSIBLE_CC_MODE): Delete.
2415         (REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES): Add CC register.
2416         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2417         (mn10300_cc_status_mdep): Delete.
2418         (CC_STATUS_MDEP, CC_STATUS_MDEP_INIT): Delete.
2419         * config/mn10300/mn10300 (mn10300_option_override): Stop disabling
2420         the combine-stack-adjust pass.
2421         (print_operand): Use the mode of the comparison operation to
2422         select the comparison suffix.
2423         (notice_update_cc): Delete.
2424         (mn10300_secondary_reload_class): Remove test for stack pointer
2425         based arithmetic.
2426         (output_tst): Rename to mn10300_output_cmp.
2427         (impossible_plus_operand): Move into predicates.md.
2428         (mn10300_legitimize_address): Make static.
2429         (mn10300_legitimate_address_p): Make static.  Only allow SI sized
2430         constant pic operands.
2431         (mn10300_legitimate_constant_p): New function.
2432         (mn10300_case_values_threshold): Make static.
2433         (mn10300_hard_regno_mode_ok): New function.
2434         (mn10300_modes_tieable): New function.
2435         (mn10300_select_cc_mode): New function.
2436         * config/mn10300/predicates.md (impossible_plus_operand): Define.
2437         * config/mn10300/mn10300-protos.h: Tidy.
2438         (mn10300_legitimate_constant_p, mn10300_modes_tieable)
2439         (mn10300_hard_regno_mode_ok, mn10300_select_cc_mode): Prototype.
2440         * config/mn10300/mn10300.md (cc attribute): Delete.  Replace
2441         with clobbers or sets of CC_REG.
2442         (CC_REG): Define.
2443         (mov*): Remove use of CLR instruction.
2444         (cbranch_si4_<code>): New pattern/split.
2445         (integer_conditional_branch): New pattern.
2446         (cbranch_sf4_<code>): New pattern/split.
2447         (float_conditional_branch): New pattern.
2448         (casesi): Use addsi3 pattern instead of movsi pattern to add and
2449         move a value at the same time.
2450         (cc0 peepholes): Remove.
2451
2452 2010-10-14  Andrey Belevantsev  <abel@ispras.ru>
2453
2454         * sel-sched-ir.c (init_global_and_expr_for_insn): Set CANT_MOVE
2455         on RTX_FRAME_RELATED_P insns and the insn to which
2456         NOTE_INSN_EPILOGUE_BEG is attached.
2457         * sched-vis.c (print_value): Allow NULL value.
2458
2459 2010-10-14  Andrey Belevantsev  <abel@ispras.ru>
2460
2461         PR rtl-optimization/45570
2462         * sel-sched-ir.c (cfg_preds_1): When walking out of the region,
2463         assert that we are pipelining outer loops.  Allow returning
2464         zero predecessors.
2465
2466 2010-10-14  Andrey Belevantsev  <abel@ispras.ru>
2467
2468         * sel-sched-ir.c (maybe_tidy_empty_bb): Simplify comment.
2469         (tidy_control_flow): Tidy vertical space.
2470         (sel_remove_bb): New variable idx.  Use it to remember the basic
2471         block index before deleting the block.
2472         (sel_remove_empty_bb): Remove dead code, simplify and insert to ...
2473         (sel_merge_blocks): ... here.
2474         * sel-sched-ir.h (sel_remove_empty_bb): Remove prototype.
2475
2476 2010-10-14  Jakub Jelinek  <jakub@redhat.com>
2477
2478         * cse.c (is_dead_reg): Change into inline function that is not
2479         called through for_each_rtx.
2480         (set_live_p): Adjust caller.
2481         (insn_live_p): Don't reset DEBUG_INSNs here.
2482         (struct dead_debug_insn_data): New data.
2483         (count_stores, is_dead_debug_insn, replace_dead_reg): New functions.
2484         (delete_trivially_dead_insns): If there is just one setter for the
2485         dead reg that is referenced by some DEBUG_INSNs, create a DEBUG_EXPR
2486         and add DEBUG_INSN for it right before the removed setter and
2487         use the DEBUG_EXPR instead of the dead pseudo.
2488
2489 2010-10-14  Zdenek Dvorak  <rakdver@kam.uniff.cz>
2490
2491         * et-forest.c (et_nca): Return NULL immediately when
2492         the dominance forest has disjoint components.
2493
2494 2010-10-13  Vladimir Makarov  <vmakarov@redhat.com>
2495
2496         * ira.c (setup_class_hard_regs): Fix typo in indexing
2497         ira_non_ordered_class_hard_regs and ira_class_hard_reg_index.
2498
2499 2010-10-14  Tijs Wiebe Lefering  <twlevo@gmail.com>
2500
2501         * graph.c (inbb): New variable.
2502         (start_bb): Set inbb to 1 if output is inside of a building block.
2503         (end_bb): Check if output is inside of a building block.
2504
2505 2010-10-13  Eric Botcazou  <ebotcazou@adacore.com>
2506
2507         PR rtl-optimization/45912
2508         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Test the
2509         regno of registers instead of their index to compute the alignment.
2510
2511 2010-10-13  H.J. Lu  <hongjiu.lu@intel.com>
2512
2513         * config/i386/i386.c (ix86_build_const_vector): Check vector
2514         mode instead of scalar mode.
2515         (ix86_build_signbit_mask): Likewise.
2516         (ix86_expand_fp_absneg_operator): Updated.
2517         (ix86_expand_copysign): Likewise.
2518         (ix86_expand_int_vcond): Likewise.
2519         (ix86_emit_swdivsf): Likewise.
2520         (ix86_sse_copysign_to_positive): Likewise.
2521         (ix86_expand_sse_fabs): Likewise.
2522         * config/i386/i386.md (fixuns_trunc<mode>si2): Likewise.
2523         * config/i386/sse.md (copysign<mode>3): Likewise.
2524         (sse2_cvtudq2ps): Likewise.
2525         (vec_unpacku_float_hi_v4si): Likewise.
2526         (vec_unpacku_float_lo_v4si): Likewise.
2527
2528         * config/i386/i386.c (ix86_builtins): Add
2529         IX86_BUILTIN_CPYSGNPS256 and IX86_BUILTIN_CPYSGNPD256.
2530         (bdesc_args): Likewise.
2531         (ix86_builtin_vectorized_function): Support
2532         IX86_BUILTIN_CPYSGNPS256, IX86_BUILTIN_CPYSGNPD256,
2533         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS_NR256,
2534         and IX86_BUILTIN_CVTPS2DQ256.
2535         (ix86_builtin_reciprocal): Support IX86_BUILTIN_SQRTPS_NR256.
2536
2537         * config/i386/sse.md (STORENT_MODE): New.
2538         (VEC_FLOAT_MODE): Likewise.
2539         (VEC_EXTRACT_MODE): Likewise.
2540         (*avx_cvtdq2pd256_2): Likewise.
2541         (vec_pack_trunc_v4df): Likewise.
2542         (vec_interleave_highv8sf): Likewise.
2543         (vec_interleave_lowv8sf): Likewise.
2544         (storent<mode>): Macroized.
2545         (<code><mode>2: absneg): Likewise.
2546         (copysign<mode>3): Likewise.
2547         (vec_extract<mode>): Likewise.
2548
2549         PR target/44180
2550         * config/i386/i386.c (expand_vec_perm_even_odd_1): Rewritten
2551         for V8SFmode.
2552
2553 2010-10-13  Richard Guenther  <rguenther@suse.de>
2554             H.J. Lu  <hongjiu.lu@intel.com>
2555
2556         * config/i386/sse.md (reduc_splus_v8sf): Add.
2557         (reduc_splus_v4df): Likewise.
2558         (vec_unpacks_hi_v8sf): Likewise.
2559         (vec_unpacks_lo_v8sf): Likewise.
2560         (*avx_cvtps2pd256_2): Likewise.
2561         (vec_unpacks_float_hi_v8si): Likewise.
2562         (vec_unpacks_float_lo_v8si): Likewise.
2563         (vec_interleave_highv4df): Likewise.
2564         (vec_interleave_lowv4df): Likewise.
2565
2566 2010-10-13  Richard Guenther  <rguenther@suse.de>
2567
2568         PR objc/45878
2569         * gimple-fold.c (gimple_fold_obj_type_ref): Leave OBJ_TYPE_REFs
2570         alone if there are no virtual methods.
2571
2572 2010-10-13  Richard Henderson  <rth@redhat.com>
2573
2574         * expr.c (build_personality_function): Take parameter LANG instead
2575         of parameter NAME.  Build the name based on the lang prefix and the
2576         unwind method in use.
2577         * tree.c (lhd_gcc_personality): Update call to
2578         build_personality_function.
2579
2580 2010-10-13  Richard Guenther  <rguenther@suse.de>
2581
2582         PR objc/45878
2583         * tree-ssa-ccpc (ccp_fold_stmt): Use gimple_fold_obj_type_ref.
2584
2585 2010-10-13  Eric Botcazou  <ebotcazou@adacore.com>
2586
2587         * cse.c (cse_insn): Fix thinko in the canonicalization of USE insns.
2588         Canonicalize input operands of ASM_OPERANDS insns.
2589
2590 2010-10-13  Richard Guenther  <rguenther@suse.de>
2591
2592         PR tree-optimization/45788
2593         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Delay
2594         EH update until fixup-cfg.
2595
2596 2010-10-13  Julian Brown  <julian@codesourcery.com>
2597
2598         * config/arm/arm.h (REG_CLASS_CONTENTS): Remove soft frame pointer
2599         from CORE_REGS and GENERAL_REGS classes.
2600         * config/arm/arm.md (*thumb1_movsi_insn): Ignore all parts of
2601         final constraint for register preferencing.
2602
2603 2010-10-13  Richard Guenther  <rguenther@suse.de>
2604
2605         PR tree-optimization/45970
2606         * tree-ssa-alias.h (stmt_kills_ref_p): Declare.
2607         * tree-ssa-alias.c (stmt_kills_ref_p_1): New function.
2608         (stmt_kills_ref_p): Likewise.
2609         * tree-ssa-dse.c (dse_optimize_stmt): Use it.
2610
2611 2010-10-13  Richard Guenther  <rguenther@suse.de>
2612
2613         PR tree-optimization/45982
2614         * tree-ssa-structalias.c (make_constraints_to): New function.
2615         (make_constraint_to): Implement in terms of make_constraints_to.
2616         (find_func_aliases): Properly make return values of pure/const
2617         functions escape if they assign to sth that is not a pointer.
2618
2619 2010-10-13  Richard Guenther  <rguenther@suse.de>
2620
2621         PR middle-end/45874
2622         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
2623         Fixup the CFG when EH was fixed up.
2624
2625 2010-10-13  Ira Rosen  <irar@il.ibm.com>
2626
2627         * tree-vect-slp.c (vect_get_constant_vectors): Fix comment.
2628         Use operand's type for POINTER_PLUS_EXPR.
2629
2630 2010-10-13  Alexandre Oliva  <aoliva@redhat.com>
2631
2632         * c-parser.c (c_parser_for_statement): Initialize incr.
2633
2634 2010-10-12  Xinliang David Li  <davidxl@google.com>
2635
2636         PR tree-optimization/45972
2637         * tree-ssa-uninit.c (compute_uninit_opnds_pos): Skip phis
2638         with too many arguments.
2639
2640 2010-10-12  Jakub Jelinek  <jakub@redhat.com>
2641
2642         PR fortran/45636
2643         * tree-ssa-forwprop.c: Include expr.h.
2644         (constant_pointer_difference, simplify_builtin_call): New functions.
2645         (tree_ssa_forward_propagate_single_use_vars): Call
2646         simplify_builtin_call on builtin calls.
2647
2648 2010-10-12  Eric Botcazou  <ebotcazou@adacore.com>
2649
2650         * config/sparc/sparc.md (*adddi3_insn_sp32): Rename.
2651         (*adddi3_extend_sp32): Likewise.
2652         (*subdi3_insn_sp32): Likewise.
2653         (*subdi3_extend_sp32): Likewise.
2654         (*negdi2_sp32): Use negative test for consistency.
2655
2656 2010-10-12  Nathan Froyd  <froydnj@codesourcery.com>
2657
2658         * libgcc2.h: Use __SIZEOF_DOUBLE__ instead of LIBGCC2_DOUBLE_TYPE_SIZE.
2659         (LIBGCC2_DOUBLE_TYPE_SIZE): Delete.
2660         * config/fixed-bit.h: Likewise.
2661         * config/rx/rx.h (LIBGCC2_DOUBLE_TYPE_SIZE): Delete.
2662         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Delete.
2663         * system.h (LIBGCC2_DOUBLE_TYPE_SIZE): Poison.
2664         * doc/tm.texi.in (LIBGCC2_HAS_DF_MODE): Use DOUBLE_TYPE_SIZE.
2665         (DF_SIZE): Likewise.
2666         * doc/tm.texi: Regenerate.
2667
2668 2010-10-12  Nathan Froyd  <froydnj@codesourcery.com>
2669
2670         * config/rs6000/predicates.md (scc_rev_comparison_operator): New.
2671         * config/rs6000/rs6000.md (*isel_reversed_signed_<mode>): New.
2672         (*isel_reversed_unsigned_<mode>): New.
2673         * config/rs6000/rs6000.c (output_isel): Accept GE/GEU/LE/LEU/NE
2674         as valid comparisons and adjust operands and output appropriately.
2675         (rs6000_rtx_costs) <CONST_INT>: Accept NE as a cost-0 outer_code.
2676
2677 2010-10-12  Chung-Lin Tang  <cltang@codesourcery.com>
2678
2679         * config/arm/arm.h (ARM_EXPAND_ALIGNMENT): Rename from
2680         DATA_ALIGNMENT and add COND parameter. Update comments above.
2681         (DATA_ALIGNMENT): Use ARM_EXPAND_ALIGNMENT, with !optimize_size.
2682         (LOCAL_ALIGNMENT): Use ARM_EXPAND_ALIGNMENT, with !flag_conserve_stack.
2683
2684 2010-10-12  H.J. Lu  <hongjiu.lu@intel.com>
2685
2686         PR bootstrap/45958
2687         * exec-tool.in: Support '-plugin' as the second option to the linker.
2688
2689 2010-10-12  Richard Henderson  <rth@redhat.com>
2690
2691         PR middle-end/45962
2692         * cfgexpand.c (add_stack_var): Ensure every variable has 1 byte.
2693         (expand_stack_vars): Assert large base allocated when used.
2694
2695 2010-10-12  Richard Guenther  <rguenther@suse.de>
2696
2697         * tree-ssa-structalias.c (get_constraint_for_1): Constants
2698         only point to nonlocal, not anything.
2699
2700 2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>
2701
2702         * config/picochip/picochip.c (TARGET_EXCEPT_UNWIND_INFO): Use sjlj
2703         unwind info for exceptions.
2704
2705 2010-10-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2706
2707         PR testsuite/45851
2708         * doc/sourcebuild.texi (LTO Testing, dg-extra-ld-options):
2709         Document optional target selector.
2710
2711 2010-10-12  Joseph Myers  <joseph@codesourcery.com>
2712
2713         * flag-types.h: New.
2714         * Makefile.in (TH_H): Include $(OPTIONS_H) instead of $(FLAGS_H).
2715         (FLAGS_H): Include flag-types.h.  Include $(OPTIONS_H) instead of
2716         options.h.
2717         (OPTIONS_H): Define.
2718         (c-family/c-opts.o, lto-opts.o, opts.o): Use $(OPTIONS_H) instead
2719         of options.h.
2720         * configure.ac (tm_include_list): Include options.h not flags.h.
2721         * configure: Regenerate.
2722         * flags.h: Include flag-types.h.  Include options.h at top of file
2723         again.
2724         (enum debug_info_type, enum debug_info_level, enum
2725         debug_info_usage, enum symbol_visibility, struct visibility_flags,
2726         enum ira_algorithm, enum ira_region, enum excess_precision, enum
2727         graph_dump_types, enum stack_check_type,
2728         enum warn_strict_overflow_code): Move to flag-types.h
2729         * opth-gen.awk: Include flag-types.h in options.h.
2730
2731 2010-10-12  Jakub Jelinek  <jakub@redhat.com>
2732
2733         * expr.c (store_expr): Share code for STRING_CST and
2734         MEM_REF of &STRING_CST cases.  Don't require BLKmode, instead
2735         check if target is a MEM.
2736
2737         * rtl.h: Include hashtab.h.
2738         (iterative_hash_rtx): New prototype.
2739         * rtl.c (iterative_hash_rtx): New function.
2740         * dwarf2out.c (dw_loc_list_node): Add hash and emitted fields.
2741         (output_loc_list): Return immediately if emitted is set, set it.
2742         (hash_loc_operands, hash_locs, hash_loc_list,
2743         compare_loc_operands, compare_locs, loc_list_hash, loc_list_eq,
2744         optimize_location_lists_1, optimize_location_lists): New function.
2745         (dwarf2out_finish): Call optimize_location_lists.
2746         * Makefile.in (RTL_BASE_H): Depend on $(HASHTAB_H).
2747
2748 2010-10-12  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2749
2750         PR testsuite/45974
2751         Revert:
2752         * Makefile.in ($(lang_checks_parallel))
2753         ($(lang_checks_parallelized)): Use single quotes for
2754         $(RUNTESTFLAGS), to allow passing quoted content.
2755
2756 2010-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2757
2758         * config/pa/linux-atomic.c (__sync_val_compare_and_swap_4): Return
2759         actual_oldval.  Use __builtin_expect.
2760         (SUBWORD_VAL_CAS): Likewise.
2761
2762 2010-10-11  Nathan Froyd  <froydnj@codesourcery.com>
2763
2764         * recog.c (nonmemory_operand): Call immediate_operand for
2765         CONSTANT_P operands.
2766
2767 2010-10-11  Uros Bizjak  <ubizjak@gmail.com>
2768
2769         * config/i386/i386.md (movmem<mode>): Macroize expander from
2770         movmem{si,di} using SWI48 mode iterator.
2771         (*strmovsi_1): Macroize insn pattern from *strmovsi_1 and
2772         *strmovsi_rex_1 using P mode iterator.
2773         (*strmovhi_1): Ditto from *strmovhi_1 and *strmovhi_rex_1.
2774         (*strmovqi_1): Ditto from *strmovqi_1 and *strmovqi_rex_1.
2775         (*rep_movsi): Ditto from *rep_movsi and *rep_movsi_rex64.
2776         (*rep_movqi): Ditto from *rep_movqi and *rep_movqi_rex64.
2777         (setmem<mode>): Macroize expander from setmem{si,di} using
2778         SWI48 mode iterator.
2779         (*strsetsi_1): Macroize insn pattern from *strsetsi_1 and
2780         *strsetsi_rex_1 using P mode iterator.
2781         (*strsethi_1): Ditto from *strsethi_1 and *strsethi_rex_1.
2782         (*strsetqi_1): Ditto from *strsetqi_1 and *strsetqi_rex_1.
2783         (*rep_stossi): Ditto from *rep_stossi and *rep_stossi_rex64.
2784         (*rep_stosqi): Ditto from *rep_stosqi and *rep_stosqi_rex64.
2785         (*cmpstrnqi_nz_1): Ditto from *cmpstrnqi_nz_1 and *cmpstrnqi_nz_rex_1.
2786         (*cmpstrnqi_1): Ditto from *cmpstrnqi_1 and *cmpstrnqi_rex_1.
2787         (strlen<mode>): Macroize expander from strlen{si,di} using SWI48x
2788         mode iterator.
2789         (*strlenqi_1): Macroize insn pattern from *strlenqi_1 and
2790         *strlenqi_rex_1 using P mode iterator.
2791
2792 2010-10-11  Bernd Schmidt  <bernds@codesourcery.com>
2793
2794         PR bootstrap/45445
2795         * ira-lives.c (mark_pseudo_reg_live, mark_pseudo_reg_dead): New
2796         static functions.
2797         (mark_ref_live, mark_ref_dead): Use them.
2798         (make_pseudo_conflict): New arg ORIG_DREG.  All callers changed.
2799         Save the original reg, and use the new functions.
2800         (check_and_make_def_use_conflict): New arg ORIG_DREG.  All callers
2801         changed.
2802         (check_and_make_def_conflict): Save the original reg.
2803
2804 2010-10-11  Martin Jambor  <mjambor@suse.cz>
2805
2806         PR middle-end/45699
2807         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Choose among
2808         thunks.
2809
2810 2010-10-11  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2811
2812         * Makefile.in ($(lang_checks_parallel))
2813         ($(lang_checks_parallelized)): Use single quotes for
2814         $(RUNTESTFLAGS), to allow passing quoted content.
2815
2816         PR bootstrap/35855
2817         * opt-functions.awk (BEGIN): New section.
2818         (lower, upper, digit, alnum): New variables.
2819         (static_var, opt_sanitized_name): Use alnum instead of character
2820         classes, for non-C locale.
2821         * optc-gen.awk: Likewise.
2822         * opth-gen.awk: Likewise.
2823
2824 2010-10-11  Anatoly Sokolov  <aesok@post.ru>
2825
2826         * target.def (preferred_reload_class): New hook.
2827         * doc/tm.texi.in (TARGET_PREFERRED_RELOAD_CLASS): Document.
2828         * doc/tm.texi: Regenerate.
2829         * targhooks.c (default_preferred_reload_class): New function.
2830         * targhooks.h (default_preferred_reload_class): Declare.
2831         * reload.c (find_dummy_reload): Change preferred_class variable type
2832         from enum reg_class to reg_class_t. Use TARGET_PREFERRED_RELOAD_CLASS
2833         target hook.
2834         (find_reloads): Change goal_alternative array type from int to
2835         reg_class_t. Use TARGET_PREFERRED_RELOAD_CLASS target hook.
2836         (push_reload, find_reloads_address_part): Use
2837         TARGET_PREFERRED_RELOAD_CLASS target hook.
2838         * reload1.c (emit_input_reload_insns): Ditto.
2839         * ira-costs.c (copy_cost): Use TARGET_PREFERRED_RELOAD_CLASS target
2840         hook. Change rclass argument and secondary_class variable types from
2841         'enum reg_class' to reg_class_t.
2842
2843         * config/i386/i386.h (PREFERRED_RELOAD_CLASS): Remove.
2844         * config/i386/i386-protos (ix86_preferred_reload_class): Remove.
2845         * config/i386/i386.c (ix86_preferred_reload_class): Make static.
2846         Change regclass argument and result types from enum reg_class to
2847         reg_class_t.
2848         (TARGET_PREFERRED_RELOAD_CLASS): Define.
2849
2850 2010-10-11  Eric Botcazou  <ebotcazou@adacore.com>
2851
2852         * simplify-rtx.c (simplify_unary_operation_1): Use unsigned arithmetics
2853         in masking operations.
2854         (simplify_const_unary_operation): Likewise.
2855         (simplify_binary_operation_1): Likewise.
2856         (simplify_const_binary_operation): Likewise.
2857         (simplify_const_relational_operation): Likewise.
2858         (simplify_ternary_operation): Likewise.
2859         (simplify_immed_subreg): Likewise.
2860
2861 2010-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2862
2863         PR middle-end/45862
2864         * doc/tm.texi.in (SUPPORTS_WEAK): Update.
2865         (TARGET_SUPPORTS_WEAK): New.
2866         * doc/tm.texi: Regenerate.
2867         * defaults.h (SUPPORTS_WEAK): Update comment.
2868         (TARGET_SUPPORTS_WEAK): New.
2869         * dwarf2asm.c (USE_LINKONCE_INDIRECT): Update define.
2870         * varasm.c (assemble_external): Use TARGET_SUPPORTS_WEAK instead of
2871         SUPPORTS_WEAK.
2872         (merge_weak, declare_weak, do_assemble_alias, supports_one_only,
2873         make_decl_one_only): Likewise.
2874         * config/pa/som.h (SUPPORTS_WEAK): Rename defines to
2875         TARGET_SUPPORTS_WEAK.
2876         (SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY): Use TARGET_SUPPORTS_WEAK
2877         instead of SUPPORTS_WEAK.
2878
2879 2010-10-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2880
2881         * config/sparc/gmon-sol2.c: Don't include coretypes.h, tm.h.
2882
2883 2010-10-11  Nathan Froyd  <froydnj@codesourcery.com>
2884
2885         * vec.h (VEC_qsort): Define.
2886         * dbxout.c (output_used_types): Use it.
2887         * df-scan.c (df_sort_and_compress_refs): Likewise.
2888         (df_sort_and_compress_mws): Likewise.
2889         * genautomata.c (uniq_sort_alt_states): Likewise.
2890         (evaluate_equiv_classes): Likewise.
2891         (output_trans_table): Likewise.
2892         (output_state): Likewise.
2893         * gimplify.c (compare_case_labels): Likewise.
2894         * graphite-sese-to-poly.c (graphite_sort_dominated_info): Likewise.
2895         * ipa.c (build_cdtor_fns): Likewise.
2896         * lto.c (lto_wpa_write_files): Likewise.
2897         * sel-sched.c (fill_vec_av_set): Likewise.
2898         * tree-predcom.c (determine_roots_comp): Likewise.
2899         * tree-sra.c (sort_and_spliace_var_accesses): Likewise.
2900         (splice_param_accesses): Likewise.
2901         * tree-ssa-live.c (dump_enumerated_decls): Likewise.
2902         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
2903         (reassociate_bb): Likewise.
2904         * tree-ssa-sccvn.c (sort_scc): Likewise.
2905         * tree-ssa-structalias.c (sort_fieldstack): Likewise.
2906
2907 2010-10-11  Ian Lance Taylor  <iant@google.com>
2908
2909         * tree.h (TREE_THIS_NOTRAP): Use TREE_CHECK5.
2910         * emit-rtl.c (set_mem_attributes_minus_bitpos): Only check
2911         TREE_THIS_NOTRAP when appropriate.
2912         (get_spill_slot_decl): Don't set TREE_THIS_NOTRAP on the new VAR_DECL.
2913         * gimplify.c (gimplify_expr): Copy NOTRAP from INDIRECT_REF to
2914         newly created MEM_REF.
2915
2916 2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>
2917
2918         Nathan Froyds patch to hooks FUNCTION_ARG etc.
2919         * config/picochip/picochip-protos.h (picochip_function_arg): Delete.
2920         (picochip_incoming_function_arg): Delete.
2921         (picochip_arg_advance): Delete.
2922         * config/picochip/picochip.h (FUNCTION_ARG): Delete.
2923         (FUNCTION_INCOMING_ARG): Delete.
2924         (FUNCTION_ARG_ADVANCE): Delete.
2925         * config/picochip/picochip.c (picochip_function_arg): Take a
2926         const_tree and a bool.
2927         (picochip_incoming_function_arg): Likewise.
2928         (picochip_arg_advance): Likewise.
2929         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
2930         (TARGET_FUNCTION_ARG_ADVANCE): Define.
2931
2932 2010-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2933
2934         PR middle-end/45955
2935         * ipa.c (build_cdtor): Delete endless loop.
2936
2937 2010-10-07  Andi Kleen  <ak@linux.intel.com>
2938
2939         * Makefile.in (MOSTLYCLEANFILES): Remove cc1*dummy, add
2940         checksum-options.
2941         (checksum-options): Add.
2942         (cc1-dummy): Remove.
2943         (cc1-checksum): Change to run checksum over object files
2944         and options only.
2945         * dummy-checksum.c: Remove.
2946         * genchecksum.c: Update copyright.
2947         (usage): Allow multiple arguments.
2948         (BLOCKSIZE): Add.
2949         (dosum): Change for incremental checksum. Remove C output.
2950         (main): Iterate over all argument files. Add C output.
2951
2952 2010-10-11  Joseph Myers  <joseph@codesourcery.com>
2953
2954         * params.c (set_param_value_internal): New.
2955         (set_param_value): Use set_param_value_internal.
2956         (maybe_set_param_value, set_default_param_value): New.
2957         * params.h (PARAM_VALUE, PARAM_SET_P): Make into rvalues.
2958         (maybe_set_param_value, set_default_param_value): Declare.
2959         * config/arm/arm.c (arm_option_override): Use maybe_set_param_value.
2960         * config/i386/i386.c (ix86_option_override_internal): Use
2961         maybe_set_param_value.
2962         * config/ia64/ia64.c (ia64_option_default_params,
2963         TARGET_OPTION_DEFAULT_PARAMS): New.
2964         (ia64_option_optimization): Move some code to
2965         ia64_option_default_params.
2966         * config/picochip/picochip.c (picochip_option_override): Use
2967         maybe_set_param_value.
2968         * config/rs6000/rs6000.c (rs6000_option_default_params,
2969         TARGET_OPTION_DEFAULT_PARAMS): New.
2970         (rs6000_option_override_internal): Use maybe_set_param_value.
2971         (rs6000_option_optimization): Move some code to
2972         rs6000_option_default_params.
2973         * config/s390/s390.c (s390_option_override): Use maybe_set_param_value.
2974         * config/sh/sh.c (sh_option_default_params,
2975         TARGET_OPTION_DEFAULT_PARAMS): New.
2976         (sh_option_optimization): Move some code to sh_option_default_params.
2977         * config/sparc/sparc.c (sparc_option_override): Use
2978         maybe_set_param_value.
2979         * config/spu/spu.c (spu_option_default_params,
2980         TARGET_OPTION_DEFAULT_PARAMS): New.
2981         (spu_option_optimization): Move some code to spu_option_default_params.
2982         (spu_option_override): Use maybe_set_param_value.
2983         * doc/tm.texi.in (TARGET_OPTION_DEFAULT_PARAMS): New @hook.
2984         * doc/tm.texi: Regenerate.
2985         * ggc-common.c (init_ggc_heuristics): Use set_default_param_value.
2986         * opts.c (init_options_once): Use PARAM_VALUE not direct access to
2987         compiler_params.
2988         (default_options_optimization): Use maybe_set_param_value.
2989         (finish_options): Use maybe_set_param_value.
2990         * target.def (target_option.default_params): New hook.
2991         * toplev.c (general_init): Call targetm.target_option.default_params.
2992
2993 2010-10-11  Ira Rosen  <irar@il.ibm.com>
2994
2995         PR tree-optimization/45902
2996         * tree-vect-slp.c (vect_get_constant_vectors): Use statement's
2997         vector type for constants, unless it's a pointer.
2998
2999 2010-10-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3000
3001         * config/s390/s390.md (*mov<mode>cc): lgoc -> locg and stgoc -> stocg.
3002
3003 2010-10-11  Jakub Jelinek  <jakub@redhat.com>
3004
3005         PR target/45870
3006         * config/i386/i386.c (ix86_delegitimize_tls_address): New function.
3007         (ix86_delegitimize_address): Use it.
3008
3009 2010-10-10  Eric Botcazou  <ebotcazou@adacore.com>
3010
3011         * opt-functions.awk (opt_sanitized_name): Remove gdwarf+ handling.
3012
3013 2010-10-10  Uros Bizjak  <ubizjak@gmail.com>
3014
3015         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Pass pointer
3016         to cum struct in the call to function_arg_advance.
3017         (alpha_function_arg_advance): Mark named as unused.
3018
3019 2010-10-10  Richard Sandiford  <rdsandiford@googlemail.com>
3020
3021         * config/mips/mips.c (mips_handle_option): Make "value" with
3022         ATTRIBUTE_UNUSED.
3023
3024 2010-10-09  Richard Henderson  <rth@redhat.com>
3025
3026         PR rtl-opt/33721
3027         * explow.c (allocate_dynamic_stack_space): Add REQUIRED_ALIGN parm,
3028         remove TARGET parm, convert KNOWN_ALIGN parm to SIZE_ALIGN.  Honor
3029         required_align, tidy the code a bit.  Emit split_stack code in the
3030         right place.  Mark the return value with the alignment properly.
3031         * expr.h (allocate_dynamic_stack_space): Update decl.
3032         * builtins.c (expand_builtin_apply): Update call to
3033         allocate_dynamic_stack_space.
3034         (expand_builtin_alloca): Likewise.  Remove TARGET parameter.
3035         * calls.c (initialize_argument_information): Update call to
3036         allocate_dynamic_stack_space.
3037         (expand_call): Likewise.
3038
3039         * cfgexpand.c (get_decl_align_unit): Don't limit alignment.
3040         Don't update_stack_alignment here.
3041         (alloc_stack_frame_space): Make ALIGN unsigned.
3042         (stack_var_cmp): Sort by alignment too.
3043         (partition_stack_vars): Don't merge large and small alignment vars.
3044         (expand_one_stack_var_at): Add BASE and BASE_ALIGN parameters.
3045         Take care when BASE is not virtual_stack_vars_rtx.
3046         (expand_stack_vars): Allocate dynamic stack space for large
3047         alignment variables.
3048         (expand_one_stack_var): Update all to expand_one_stack_var_at.
3049         (defer_stack_allocation): True for large alignment vars.
3050         (update_stack_alignment): Merge into ...
3051         (expand_one_var): ... here.
3052         (gimple_expand_cfg): Place code from expand_stack_vars.
3053
3054 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3055
3056         * config/pdp11/pdp11.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3057         * config/pdp11/pdp11.c (pdp11_function_arg): New function.
3058         (pdp11_function_arg_advance): New function.
3059         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3060
3061 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3062
3063         * libgcc2.h: Use __SIZEOF_LONG_LONG__ instead of LONG_LONG_TYPE_SIZE.
3064         * libgcc2.c: Likewise.
3065
3066 2010-10-09  Richard Guenther  <rguenther@suse.de>
3067
3068         PR lto/45956
3069         * lto-streamer-in.c (lto_register_var_decl_in_symtab):
3070         Properly check if a decl is an automatic var.
3071
3072 2010-10-09  Richard Guenther  <rguenther@suse.de>
3073
3074         PR lto/45947
3075         * tree.c (free_lang_data_in_cgraph): Properly walk the varpool.
3076
3077 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3078
3079         * config/mmix/mmix-protos.h (mmix_function_arg): Delete.
3080         * config/mmix/mmix.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3081         * config/mmix/mmix.c (mmix_function_arg): Rename to...
3082         (mmix_function_arg_1): ...this.  Make static.  Take a const_tree and
3083         bool arguments.
3084         (mmix_function_arg): New function.
3085         (mmix_function_incoming_arg): New function.
3086         (mmix_function_arg_advance): New function.
3087         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
3088         (TARGET_FUNCTION_ARG_ADVANCE): Define.
3089
3090 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3091
3092         * config/vax/vax.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3093         * config/vax/vax.c (vax_function_arg): New function.
3094         (vax_function_arg_advance): New function.
3095         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3096
3097 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3098
3099         * config/pa/pa-protos.h (function_arg): Delete.
3100         * config/pa/pa.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3101         * config/pa/pa.c (function_arg): Rename to...
3102         (pa_function_arg): ...this.  Make static.  Take a const_tree and
3103         a bool.
3104         (pa_function_arg_advance): New function.
3105         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3106
3107 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3108
3109         * config/m68k/m68k.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3110         * config/m68k/m68k.c (m68k_function_arg): New function.
3111         (m68k_function_arg_advance): New function.
3112         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3113
3114 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3115
3116         * config/avr/avr-protos.h (function_arg): Delete.
3117         (function_arg_advance): Delete.
3118         * config/avr/avr.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3119         * config/avr/avr.c (function_arg): Rename to...
3120         (avr_function_arg): ...this.  Make static.  Take a const_tree and
3121         a bool.
3122         (function_arg_advance): Rename to...
3123         (avr_function_arg_advance): ...this.  Make static.  Take a
3124         const_tree and a bool.
3125         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3126
3127 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3128
3129         * config/alpha/alpha-protos.h (function_arg): Delete.
3130         * config/alpha/alpha.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3131         * config/alpha/vms.h (FUNCTION_ARG_ADVANCE): Delete.
3132         * config/alpha/alpha.c (function_arg): Rename to...
3133         (alpha_function_arg): ...this.  Make static.  Take a const_tree and
3134         a bool.  Delete TARGET_ABI_UNICOSMK code.
3135         (alpha_function_arg_advance): New function.
3136         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3137
3138 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3139
3140         * config/mep/mep-protos.h (mep_function_arg): Delete.
3141         (mep_function_arg_advance): Delete.
3142         * config/mep/mep.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3143         * config/mep/mep.c (mep_function_arg): Make static.  Take a
3144         const_tree and a bool.
3145         (mep_function_arg_advance): Likewise.
3146         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3147
3148 2010-10-09  Richard Guenther  <rguenther@suse.de>
3149
3150         PR tree-optimization/45945
3151         * tree-ssa.c (execute_update_addresses_taken): Fixup LHS scanning.
3152
3153 2010-10-09  Eric Botcazou  <ebotcazou@adacore.com>
3154
3155         PR tree-optimization/45612
3156         * ipa-split.c (test_nonssa_use): Remove bogus ATTRIBUTE_UNUSED.
3157         Test LABEL_DECLs as well.  Fix formatting issues.
3158         (verify_non_ssa_vars): Return false for a GIMPLE_LABEL statement
3159         whose label is present in NON_SSA_VARS.
3160         (mark_nonssa_use): Remove bogus ATTRIBUTE_UNUSED.  Handle LABEL_DECLs
3161         as well.  Fix formatting issues.
3162         (visit_bb): Fix typos and formatting issue.
3163
3164 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
3165
3166         PR tree-optimization/45950
3167         * tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): Consult length
3168         before initializing vno->op.
3169
3170 2010-10-09  Ralf Corsépius <ralf.corsepius@rtems.org>
3171
3172         * config.gcc (bfin*-rtems*): Add newlib-stdint.h.
3173         * config.gcc (lm32*-rtems*): Add newlib-stdint.h.
3174
3175 2010-10-08  H.J. Lu  <hongjiu.lu@intel.com>
3176
3177         PR target/45913
3178         * config/i386/i386.c (ix86_binary_operator_ok): Support
3179         "andhi/andsi/anddi" as a zero-extending move.
3180
3181 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3182
3183         * builtins.c (fold_call_stmt): Don't copy gimple call arguments
3184         into a temporary array.
3185
3186 2010-10-08  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR tree-optimization/45903
3189         * simplify-rtx.c (simplify_subreg): Optimize lowpart SUBREG
3190         of {A,L}SHIFTRT of MEM.
3191
3192 2010-10-08  Richard Guenther  <rguenther@suse.de>
3193
3194         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
3195         Re-construct BLOCK_VARS.
3196         (lto_input_ts_block_tree_pointers): Do not stream BLOCK_VARS.
3197         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
3198         * tree.c (free_lang_data_in_block): Remove.
3199         (free_lang_data_in_decl): Do not touch DECL_CONTEXT of non-PARM_DECLs.
3200         Do not touch the BLOCK tree.
3201         * expr.c (expand_expr_real_1): Allow externals.
3202
3203 2010-10-08  Richard Guenther  <rguenther@suse.de>
3204
3205         * lto-streamer-out.c (lto_output_ts_block_tree_pointers):
3206         Do not output BLOCK_SUBBLOCKS.
3207         * lto-streamer-in.c (lto_input_ts_block_tree_pointers):
3208         Reserve exact space needed for BLOCK_NONLOCALIZED_VARS.
3209         Re-construct BLOCK_SUBBLOCKS of parent block.
3210         (lto_input_ts_binfo_tree_pointers): Reserve exact space needed
3211         for BINFO_BASE_ACCESSES.
3212
3213 2010-10-08  Joseph Myers  <joseph@codesourcery.com>
3214
3215         * Makefile.in (TM_H): Include $(FLAGS_H) instead of options.h.
3216         (TREE_H): Include $(FLAGS_H) instead of options.h.
3217         (opts-common.o): Depend on $(FLAGS_H) instead of options.h.
3218         * c-objc-common.h (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
3219         * common.opt (flag_complex_method, flag_evaluation_order,
3220         flag_ira_algorithm, flag_ira_region, flag_warn_unused_result): New
3221         Variable declarations.
3222         * configure.ac (tm_include_list): Include flags.h instead of options.h.
3223         * configure: Regenerate.
3224         * flags.h: Condition out contents for target libraries.  Include
3225         options.h at end of file.
3226         (flag_complex_method, flag_ira_algorithm, flag_ira_region,
3227         flag_evaluation_order, flag_warn_unused_result): Remove.
3228         * gcc.c (main): Intialize global_options with global_options_init.
3229         * langhooks-def.h (lhd_init_options_struct): Declare.
3230         (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
3231         (LANG_HOOKS_INITIALIZER): Include LANG_HOOKS_INIT_OPTIONS_STRUCT.
3232         * langhooks.c (lhd_init_options_struct): New.
3233         * langhooks.h (struct lang_hooks): Add init_options_struct.
3234         Update comment on init_options.
3235         * optc-gen.awk: Generate initializer for global_options_init, not
3236         global_options.
3237         * opth-gen.awk: Condition out structure declarations for target
3238         libraries.  Declare global_options_init.
3239         * opts-common.c: Include flags.h instead of options.h.
3240         * opts.c (flag_warn_unused_result): Remove.
3241         (read_cmdline_options): Take gcc_options parameters.  Pass them to
3242         read_cmdline_option.
3243         (initial_lang_mask, initial_min_crossjump_insns,
3244         initial_max_fields_for_field_sensitive,
3245         initial_loop_invariant_max_bbs_in_loop): Define at file scope.
3246         (init_options_once): New.  Split out of decode_options.
3247         (init_options_struct): New.  Split out of decode_options.
3248         (decode_cmdline_options_to_array_default_mask): New.
3249         (default_options_optimization): New.  Split out of decode_options.
3250         (decode_options): Move most code to other functions.  Update call
3251         to read_cmdline_options.
3252         (finish_options): New.  Split out of decode_options.
3253         * opts.h (decode_options): Add gcc_options parameters.
3254         (init_options_once, init_options_struct,
3255         decode_cmdline_options_to_array_default_mask): New.
3256         * toplev.c (flag_complex_method, flag_ira_algorithm,
3257         flag_ira_region, flag_evaluation_order): Remove.
3258         (general_init): Use global_options_init for initial flag values
3259         for global_dc.
3260         (toplev_main): Call init_options_once, init_options_struct,
3261         lang_hooks.init_options_struct,
3262         decode_cmdline_options_to_array_default_mask and
3263         lang_hooks.init_option before decode_options.  Update arguments to
3264         decode_options.
3265         * tree.h: Include flags.h instead of options.h.
3266
3267 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3268
3269         * config/rx/rx.c (TARGET_EXCEPT_UNWIND_INFO): Define.
3270
3271 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3272
3273         * config/sparc/sparc-protos.h (function_arg_advance, function-arg):
3274         Delete.
3275         * config/sparc/sparc.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Delete.
3276         (FUNCTION_INCOMING_ARG): Delete.
3277         * config/sparc/sparc.c (scan_record_type): Const-ify tree argument.
3278         (function_arg_slotno): Likewise.  Take bool arguments.
3279         (sparc_arg_partial_bytes): Update call to it.
3280         (function_arg): Rename to...
3281         (sparc_function_arg_1): ...this.  Take bool arguments.
3282         (sparc_function_arg, sparc_function_incoming_arg): New functions.
3283         (function_arg_advance): Rename to...
3284         (sparc_function_arg_advance): ...this.  Take bool argument.
3285         (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG): Define.
3286         (TARGET_FUNCTION_INCOMING_ARG): Define.
3287
3288 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3289
3290         * config/bfin/bfin-protos.h (function_arg, function_arg_advance):
3291         Delete.
3292         * config/bfin/bfin.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3293         * config/bfin/bfin.c (function_arg_advance): Rename to...
3294         (bfin_function_arg_advance): ...this.  Make static.  Take const_tree
3295         and bool arguments.
3296         (function_arg): Rename to...
3297         (bfin_function_arg): ...this.  Make static.  Take const_tree and bool
3298         arguments.
3299         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3300
3301 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3302
3303         * config/score/score-protos.h (score_function_arg): Delete.
3304         (score_function_arg_advance): Delete.
3305         * config/score/score3.h (score3_function_arg_advance): Take a
3306         const_tree and a bool.
3307         (score3_function_arg): Likewise.
3308         * config/score/score7.h (score7_function_arg_advance): Likewise.
3309         (score7_function_arg): Likewise.
3310         * config/score/score3.c (score3_classify_arg): Likewise.
3311         (score3_function_arg_advance, score3_function_arg): Likewise.
3312         * config/score/score7.c (score7_classify_arg): Likewise.
3313         (score7_function_arg_advance, score7_function_arg): Likewise.
3314         * config/score/score.c (score_function_arg_advance): Likewise.
3315         (score_function_arg): Likewise.  De-const-ify `cum' argument.
3316         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3317
3318 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3319
3320         * config/s390/s390-protos.h (s390_function_arg_advance): Delete.
3321         (s390_function_arg): Delete.
3322         * config/s390/s390.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3323         * config/s390/s390.c (s390_function_arg_float): Take a const_tree.
3324         (s390_function_arg_integer): Likewise.
3325         (s390_function_arg_advance): Make static.  Take a const_tree and
3326         a bool.
3327         (s390_function_arg): Likewise.
3328         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3329
3330 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3331
3332         * config/spu/spu-protos.h (spu_function_arg): Delete.
3333         * config/spu/spu.h (FUNCTION_ARG): Delete.
3334         (FUNCTION_ARG_ADVANCE): Move code to ...
3335         * config/spu/spu.c (spu_function_arg_advance): New function.
3336         (spu_function_arg): Make static.  Take a const_tree and a bool.
3337         (spu_setup_incoming_varargs): Call spu_function_arg_advance.
3338         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3339
3340 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3341
3342         * config/rx/rx.c (TARGET_EXCEPT_UNWIND_INFO): Define.
3343
3344 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3345
3346         * tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): New function.
3347         (init_vn_nary_op_from_op): New function.
3348         (init_vn_nary_op_from_stmt): New function.
3349         (vn_nary_op_lookup_1): New function.
3350         (sizeof_vn_nary_op): New function.
3351         (alloc_vn_nary_op_noinit): New function.
3352         (alloc_vn_nary_op): New function.
3353         (vn_nary_op_insert_into): New function.
3354         (vn_nary_op_lookup_pieces): Rewrite to use new helper functions.
3355         (vn_nary_op_lookup): Likewise.
3356         (vn_nary_op_lookup_stmt): Likewise.
3357         (vn_nary_op_insert_pieces): Likewise.
3358         (vn_nary_op_insert): Likewise.
3359         (vn_nary_op_insert_stmt): Likewise.
3360         (copy_nary): Likewise.
3361         (set_value_id_for_result): New function.
3362         (set_hashtable_value_ids): Call it.
3363
3364 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3365
3366         * config/fr30/fr30.c (TARGET_EXCEPT_UNWIND_INFO): Define.
3367         * config/fr30/fr30.md (leave_func): Rewrite without post_inc.
3368
3369 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
3370
3371         * config/mcore/mcore.h (INCOMING_RETURN_ADDR_RTX): Define.
3372         * config/mcore/mcore.c (TARGET_EXCEPT_UNWIND_INFO): Define.
3373
3374 2010-10-08  Alexandre Oliva  <aoliva@redhat.com>
3375
3376         PR debug/45656
3377         * cse.c (cse_extended_basic_block): Preserve cc0 info across
3378         debug isnsn.  Skip them when searching for cc0 setter.
3379         (set_live_p): Skip debug insns when searching for cc0 user.
3380
3381 2010-10-08  Alexandre Oliva  <aoliva@redhat.com>
3382
3383         PR debug/45673
3384         PR debug/45604
3385         PR debug/45419
3386         PR debug/45408
3387         * tree-pretty-print.c (dump_generic_node): Explicitly dump the
3388         type of MEM_REFs to INTEGER_CSTs.
3389
3390 2010-10-07  Nathan Froyd  <froydnj@codesourcery.com>
3391
3392         * config/m68hc11/m68hc11.c (m68hc11_print_operand): Call
3393         m68hc11_print_operand_address.
3394
3395 2010-10-07  Nathan Froyd  <froydnj@codesourcery.com>
3396
3397         * builtins.c (rewrite_call_expr): Move code to...
3398         (rewrite_call_expr_valist): ...here.  Call build_call_expr_loc_array.
3399         (rewrite_call_expr_array): New function.
3400         (fold_builtin_sprintf_chk_1): New function.
3401         (fold_builtin_sprintf_chk): Call it.
3402         (gimple_fold_builtin_sprintf_chk): Likewise.
3403         (fold_builtin_snprintf_chk_1): New function.
3404         (fold_builtin_snprintf_chk): Call it.
3405         (gimple_fold_builtin_snprintf_chk): Likewise.
3406         (gimple_rewrite_call_expr): Delete.
3407
3408 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
3409
3410         * config.host: Update copyright year.
3411
3412 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
3413
3414         * config.host (host_lto_plugin_soname): New shell variable.
3415         * configure.ac (LTOPLUGINSONAME): Add an AC_DEFINE for the above.
3416         * config.in: Regenerate.
3417         * configure: Regenerate.
3418         * gcc.c (main): Use LTOPLUGINSONAME instead of hard-coding name of
3419         LTO plugin shared library.
3420
3421 2010-10-07  Richard Henderson  <rth@redhat.com>
3422
3423         * target.h (enum unwind_info_type): Move ...
3424         * coretypes.h: ... here.
3425
3426 2010-10-07  Nicola Pero  <nicola.pero@meta-innovation.com>
3427
3428         * doc/objc.texi (Fast enumeration protocol): Mention that
3429         'unsigned int' can also be used instead of 'unsigned long' in
3430         countByEnumeratingWithState:objects:count:.
3431
3432 2010-10-07  Martin Jambor  <mjambor@suse.cz>
3433
3434         * tree-sra.c (struct access): New field grp_assignment_write.
3435         (dump_access): Dump grp_assignment_write.
3436         (build_accesses_from_assign): Set grp_assignment_write.
3437         (sort_and_splice_var_accesses): Aggregate grp_assignment_write.
3438         (mark_read_status): Renamed to mark_rw_status, individual values
3439         renamed too.
3440         (analyze_access_subtree): Changed type of mark_write to
3441         mark_read_status.  Fixed propagating of mark_read and
3442         mark_write.  Changed benefit estimate.  Updated comment.
3443
3444 2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
3445
3446         PR Tree-Vect/45847
3447         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Add NULL
3448         check for vectype_out returned by get_vectype_for_scalar_type().
3449
3450 2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
3451
3452         PR target/45805
3453         * config/arm/neon.md (neon_unpack<US>_<mode>): Add 'w' to
3454         constraint, add register specifier in instruction template.
3455         (neon_vec_pack_trunc_<mode>): Likewise.
3456         (neon_vec_<US>mult_<mode>): Add register specifier to
3457         instruction template.
3458
3459 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
3460
3461         * config.gcc (c_target_objs)[i?86-*-pe|i?86-*-cygwin*]: Don't add
3462         cygwin2.o.
3463         (cxx_target_objs)[i?86-*-pe|i?86-*-cygwin*]: Likewise.
3464         (extra_gcc_objs)[i?86-*-pe|i?86-*-cygwin*]: Don't add cygwin1.o.
3465         * config/i386/t-cygwin (cygwin1.o): Delete build rule.
3466         (cygwin2.o): Likewise.
3467         * config/i386/cygwin1.c: Delete file.
3468         * config/i386/cygwin2.c: Likewise.
3469         * config/i386/cygwin.h (CPP_SPEC): Remove all %{mno-cygwin} specs and
3470         make all {%!mno-cygwin} ones unconditional.
3471         (STARTFILE_SPEC): Likewise.
3472         (REAL_LIBGCC_SPEC): Likewise.
3473         (LIB_SPEC): Likewise.
3474         (CXX_WRAP_SPEC): Likewise.
3475         (LINK_SPEC): Likewise.
3476         (CYGWIN_MINGW_SUBDIR): Delete now-unused macro definition.
3477         (CYGWIN_MINGW_SUBDIR_LEN): Likewise.
3478         (cygwin_gplusplus_include_dir): Delete now-unused array.
3479         (GPLUSPLUS_INCLUDE_DIR): Don't redefine to point to it.
3480         (cygwin_gplusplus_tool_include_dir): Delete now-unused array.
3481         (GPLUSPLUS_TOOL_INCLUDE_DIR): Don't redefine to point to it.
3482         (cygwin_gplusplus_backward_include_dir): Delete now-unused array.
3483         (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Don't redefine to point to it.
3484         (cygwin_local_include_dir): Delete now-unused array.
3485         (LOCAL_INCLUDE_DIR): Don't redefine to point to it.
3486         (cygwin_cross_include_dir): Delete now-unused array.
3487         (CROSS_INCLUDE_DIR): Don't redefine to point to it.
3488         (cygwin_tool_include_dir): Delete now-unused array.
3489         (TOOL_INCLUDE_DIR): Don't redefine to point to it.
3490         (cygwin_standard_include_dir): Delete now-unused array.
3491         (STANDARD_INCLUDE_DIR): Don't redefine to point to it.
3492         (GEN_CVT_ARRAY): Delete now-unused macro definition.
3493         (cvt_to_mingw): Delete now-unused array.
3494         (mingw_scan): Remove prototype of deleted function.
3495         (GCC_DRIVER_HOST_INITIALIZATION): Don't define now-unused target macro.
3496         * config/i386/cygming.opt (mcygwin): Delete target-specific option.
3497         * doc/invoke.texi (-mcygwin): Don't document removed option.
3498         (-mno-cygwin): Likewise.
3499
3500 2010-10-07  Richard Guenther  <rguenther@suse.de>
3501
3502         * machmode.h (mode_for_vector): Declare.
3503         * stor-layout.c (mode_for_vector): New function, split out from ...
3504         (layout_type): ... here.
3505         * tree-vectorizer.h (current_vector_size): Declare.
3506         * tree-vect-stmts.c (perm_mask_for_reverse): Check if the
3507         mask vector type is available.
3508         (get_vectype_for_scalar_type): Rename to ...
3509         (get_vectype_for_scalar_type_and_size): ... this.  Get a vector
3510         size argument.
3511         (get_vectype_for_scalar_type): New wrapper around
3512         get_vectype_for_scalar_type_and_size using current_vector_size.
3513         (get_same_sized_vectype): Use get_vectype_for_scalar_type_and_size.
3514         * tree-vect-loop.c (vect_analyze_loop_2): Split out core part
3515         of vect_analyze_loop here.
3516         (vect_analyze_loop): Loop over vector sizes calling vect_analyze_loop_3.
3517         * tree-vect-slp.c (vect_slp_analyze_bb): Set current_vector_size
3518         to autodetect.
3519         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Fix
3520         V8SF to V8SI conversion builtin.
3521
3522 2010-10-07  Richard Guenther  <rguenther@suse.de>
3523
3524         * target.def (autovectorize_vector_sizes): New target hook.
3525         * targhooks.c (default_autovectorize_vector_sizes): New function.
3526         * targhooks.h (default_autovectorize_vector_sizes): Declare.
3527         * doc/tm.texi.in (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES):
3528         Document.
3529         * doc/tm.texi: Update.
3530         * config/i386/i386.c (ix86_autovectorize_vector_sizes): New function.
3531         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
3532
3533 2010-10-07  Richard Guenther  <rguenther@suse.de>
3534
3535         * target.def (units_per_simd_word): Rename to ...
3536         (preferred_simd_mode): ... this.  Return mode instead of size.
3537         * targhooks.c (default_units_per_simd_word): Rename to ...
3538         (default_preferred_simd_mode): ... this.  Return word_mode.
3539         * targhooks.h (default_preferred_simd_mode): Declare.
3540         * config/arm/arm.c (arm_units_per_simd_word): Rename to ...
3541         (arm_preferred_simd_mode): ... this.  Re-implement.
3542         * config/i386/i386.c (ix86_units_per_simd_word): Rename to ...
3543         (ix86_preferred_simd_mode): ... this.  Re-implement.
3544         * config/sparc/sparc.c (sparc_units_per_simd_word): Rename to ...
3545         (sparc_preferred_simd_mode): ... this.  Re-implement.
3546         * config/mips/mips.c (mips_units_per_simd_word): Rename to ...
3547         (mips_preferred_simd_mode): ... this.  Re-implement.
3548         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Rename to ...
3549         (rs6000_preferred_simd_mode): ... this.  Re-implement.
3550         * tree-vect-stmts.c (get_vectype_for_scalar_type): Adjust.
3551         * doc/tm.texi.in (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Remove.
3552         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Document.
3553         * doc/tm.texi: Update.
3554
3555 2010-10-07  Richard Guenther  <rguenther@suse.de>
3556
3557         PR middle-end/45869
3558         * tree-cfg.c (verify_gimple_assign_binary): Allow vector shifts
3559         of pointers.
3560
3561 2010-10-07  Alan Modra  <amodra@gmail.com>
3562
3563         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use gen_int_mode
3564         rather than sign extension by hand.
3565
3566 2010-10-07  Jan Hubicka  <jh@suse.cz>
3567
3568         PR middle-end/45926
3569         * ipa.c (cgraph_remove_unreachable_nodes): Revert my previous patch.
3570
3571 2010-10-07  Richard Guenther  <rguenther@suse.de>
3572
3573         PR bootstrap/45914
3574         * configure.ac: Fix typo.
3575         * configure: Regenerated.
3576
3577 2010-10-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3578
3579         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Don't use
3580         define_builtin_std where it's unnecessary.
3581         * config/i386/nto.h (TARGET_OS_CPP_BUILTINS): Likewise.
3582
3583 2010-10-06  Anatoly Sokolov  <aesok@post.ru>
3584
3585         * doc/tm.texi.in (CLASS_LIKELY_SPILLED_P): Remove documentation.
3586         * doc/tm.texi.in: Regenerate.
3587         * system.h (CLASS_LIKELY_SPILLED_P): Poison.
3588         * targhooks.c (default_class_likely_spilled_p): Don't use the
3589         CLASS_LIKELY_SPILLED_P macro.
3590
3591         * config/arm/arm.md: Update comment.
3592
3593 2010-10-06  Jan Hubicka  <jh@suse.cz>
3594
3595         * ipa.c (cgraph_remove_unreachable_nodes): External references can
3596         always be removed.
3597         (cgraph_externally_visible_p): We can not bring local comdats that
3598         are known to linker; fix handling of internal visibility.
3599         (function_and_variable_visibility): Likewise.
3600
3601 2010-10-06  Eric Botcazou  <ebotcazou@adacore.com>
3602
3603         PR rtl-optimization/45394
3604         * combine.c (cleanup_auto_inc_dec): Remove AFTER parameter and adjust.
3605         (struct rtx_subst_pair): Remove AFTER field.
3606         (propagate_for_debug_subst): Adjust call to cleanup_auto_inc_dec.
3607         (propagate_for_debug): Remove MOVE parameter and adjust.
3608         (try_combine): In the special case where I2 is a PARALLEL, combine only
3609         destinations of SETs and set I2SRC to the I2 source.
3610         Adjust calls to propagate_for_debug throughout.
3611         * reload1.c (eliminate_regs_1) <ASM_OPERANDS>: Do not abort for debug
3612         insns.
3613
3614 2010-10-06  Olivier Hainque  <hainque@adacore.com>
3615
3616         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Rewrite
3617         switch on insn codes as sequence of ifs.
3618
3619 2010-10-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
3620
3621         * config/picochip/picochip.c (TARGET_EXCEPT_UNWIND_INFO): Define it to
3622         be UI_NONE for picochip.
3623         (picochip_option_override): Do not disable exception flags.
3624         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
3625         Declare.
3626
3627 2010-10-06  Richard Guenther  <rguenther@suse.de>
3628
3629         * Makefile.in (regmove.o): Depend on $(TARGET_H).
3630
3631 2010-10-06  Nicola Pero  <nicola.pero@meta-innovation.com>
3632
3633         Implemented fast enumeration for Objective-C.
3634         * c-parser.c (objc_could_be_foreach_context): New.
3635         (c_lex_one_token): Recognize RID_IN keyword in a potential
3636         Objective-C foreach context.
3637         (c_parser_declaration_or_fndef): Added parameter.  Accept
3638         Objective-C RID_IN keyword as terminating a declaration; in that
3639         case, return the declaration in the new parameter.
3640         (c_parser_extenral_declaration): Updated calls to
3641         c_parser_declaration_or_fndef.
3642         (c_parser_declaration_or_fndef): Same change.
3643         (c_parser_compound_statement_nostart): Same change.
3644         (c_parser_label): Same change.
3645         (c_parser_objc_methodprotolist): Same change.
3646         (c_parser_omp_for_loop): Same change.
3647         (c_parser_for_statement): Detect and parse Objective-C foreach
3648         statements.
3649         (c_parser_omp_for_loop): Updated call to check_for_loop_decls().
3650         * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC
3651         fast enumeration parsing code to turn off the c99 error but still
3652         perform checks on the loop declarations.
3653         * c-tree.h (check_for_loop_decls): Updated declaration.
3654         * doc/objc.texi: Document fast enumeration.
3655
3656 2010-10-06  Nick Clifton  <nickc@redhat.com>
3657
3658         * config/mn10300/mn10300.h (FIRST_PSEUDO_REGISTER): Increment by one.
3659         (MDR_REGNUM): Define.
3660         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add MDR as a fixed register.
3661         (REG_CLASS_CONTENTS): Add MDR to ALL_REGS.
3662         (INCOMING_RETURN_ADDR_RTX): Define in terms of MDR.
3663         (REGISTER_NAMES): Add MDR.
3664         (DWARF2_DEBUGGING_INFO): Define to 1.
3665         * config/mn10300/mn10300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
3666         (F): New function.  Sets RTX_FRAME_RELATED_P.
3667         (mn10300_gen_multiple_store): Use F.
3668         (expand_prologue): Use F.  Use gen_movsf() to push floating
3669         point registers.
3670         (expand_epilogue): Use gen_movsf() to pop floating point registers.
3671         (mn10300_option_override): Disable combine stack adjust pass.
3672
3673 2010-10-06  Thomas Schwinge  <thomas@schwinge.name>
3674
3675         PR target/45901
3676         * config/alpha/gnu.h (TARGET_OS_CPP_BUILTINS): Refer to
3677         LINUX_TARGET_OS_CPP_BUILTINS instead of HURD_TARGET_OS_CPP_BUILTINS.
3678
3679 2010-10-06  Jakub Jelinek  <jakub@redhat.com>
3680
3681         * builtins.def (BUILT_IN_CALLOC, BUILT_IN_REALLOC,
3682         BUILT_IN_ISALNUM, BUILT_IN_ISALPHA, BUILT_IN_ISASCII,
3683         BUILT_IN_ISBLANK, BUILT_IN_ISCNTRL, BUILT_IN_ISDIGIT,
3684         BUILT_IN_ISGRAPH, BUILT_IN_ISLOWER, BUILT_IN_ISPRINT,
3685         BUILT_IN_ISPUNCT, BUILT_IN_ISSPACE, BUILT_IN_ISUPPER,
3686         BUILT_IN_ISXDIGIT, BUILT_IN_TOASCII, BUILT_IN_TOLOWER,
3687         BUILT_IN_TOUPPER): Mark as leaf.
3688
3689         PR middle-end/45838
3690         * omp-builtins.def (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3691         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3692         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3693         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3694         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_TASK,
3695         BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Use
3696         Revert back to ATTR_NOTHROW_LIST instead of ATTR_NOTHROW_LEAF_LIST.
3697
3698 2010-10-05  Anatoly Sokolov  <aesok@post.ru>
3699
3700         * config/m68hc11/m68hc11.h (CLASS_LIKELY_SPILLED_P): Remove.
3701         * config/m68hc11/m68hc11.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
3702         (m68hc11_class_likely_spilled_p): New function.
3703
3704 2010-10-05  Nicola Pero  <nicola.pero@meta-innovation.com>
3705
3706         * c-parser.c (c_parser_objc_method_definition): Updated comment.
3707
3708 2010-10-05  Jan Hubicka  <jh@suse.cz>
3709
3710         * doc/invoke.texi (-flto-partition, lto-partitions, lto-minpartition):
3711         Document.
3712         * opts.c (decode_options): Handle lto partitions.
3713         * common.opt (flto-partition=1to1, flto-partition=balanced): New.
3714         * params.def (PARAM_LTO_PARTITIONS, MIN_PARTITION_SIZE): New.
3715
3716 2010-10-05  Jan Hubicka  <jh@suse.cz>
3717
3718         * cgraphunit.c (assemble_function): Output thunks and aliases before
3719         the function itself.
3720
3721 2010-09-29  Hariharan Sandanagobalane  <hariharan@picochip.com>
3722
3723         * config/picochip/picochip.c (picochip_option_override): Disable
3724         exception flags for picochip.
3725
3726 2010-10-05  Joseph Myers  <joseph@codesourcery.com>
3727
3728         * opts-common.c (handle_option, handle_generated_option,
3729         read_cmdline_option, set_option): Add diagnostic_context
3730         parameter.  Update calls among these functions.
3731         (set_option): Don't use global_dc.
3732         * opts.c (read_cmdline_options): Pass global_dc to read_cmdline_option.
3733         (decode_options): Pass global_dc to enable_warning_as_error.
3734         (common_handle_option): Pass global_dc to enable_warning_as_error.
3735         (enable_warning_as_error): Add diagnostic_context parameter.
3736         Document parameters.  Don't use global_dc.  Pass
3737         diagnostic_context parameter to handle_generated_option.
3738         * opts.h (set_option, handle_option, handle_generated_option,
3739         read_cmdline_option, enable_warning_as_error): Add
3740         diagnostic_context parameter.
3741         * Makefile.in (lto-opts.o): Update dependencies.
3742         * coretypes.h (struct diagnostic_context, diagnostic_context):
3743         Declare here.
3744         * diagnostic.h (diagnostic_context): Don't declare typedef here.
3745         * gcc.c (process_command): Pass global_dc to read_cmdline_option.
3746         * langhooks-def.h (struct diagnostic_context): Don't declare here.
3747         (lhd_print_error_function, lhd_initialize_diagnostics): Declare
3748         using diagnostic_context typedef.
3749         * langhooks.c (lhd_initialize_diagnostics): Declare using
3750         diagnostic_context typedef.
3751         * langhooks.h (struct diagnostic_context): Don't declare here.
3752         (initialize_diagnostics, print_error_function): Declare using
3753         diagnostic_context typedef.
3754         * lto-opts.c: Include diagnostic.h.
3755         (lto_reissue_options): Pass global_dc to set_option.  Pass
3756         DK_UNSPECIFIED not 0.
3757         * plugin.c (plugins_internal_error_function): Declare using
3758         diagnostic_context typedef.
3759         * plugin.h (struct diagnostic_context): Don't declare here.
3760         (plugins_internal_error_function): Declare using
3761         diagnostic_context typedef.
3762
3763 2010-10-05  Olivier Hainque  <hainque@adacore.com>
3764             Nicolas Roche  <roche@adacore.com>
3765
3766         * config/vxworksae.h: Add missing VXWORKS_OS_CPP_BUILTINS.
3767         * config/rs6000/vxworks.h: Remove redundant CPP builtin definitions.
3768
3769 2010-10-05  Ira Rosen  <irar@il.ibm.com>
3770
3771         PR tree-optimization/45752
3772         * tree-vect-slp.c (vect_get_mask_element): Remove static
3773         variables, make them function arguments.
3774         (vect_transform_slp_perm_load): Pass new arguments to
3775         vect_get_mask_element.
3776
3777 2010-10-05  Richard Guenther  <rguenther@suse.de>
3778
3779         * value-prof.c (gimple_divmod_fixed_value): Work on SSA form.
3780         (gimple_mod_pow2): Likewise.
3781         (gimple_mod_subtract): Likewise.
3782         (gimple_ic): Likewise.
3783         (gimple_stringop_fixed_value): Likewise.
3784         * tree-profile.c (tree_init_edge_profiler): Mark profile
3785         functions nothrow and leaf.
3786         (add_abnormal_goto_call_edges): Remove.
3787         (tree_gen_edge_profiler): Work on SSA form.
3788         (tree_gen_ic_profiler): Likewise.  Simplify.
3789         (do_tree_profiling): Update SSA form.
3790         (pass_tree_profile): Remove.
3791         (do_tree_profiling): Likewise.
3792         (gate_tree_profile_ipa): New function.
3793         (pass_ipa_tree_profile): New.
3794         (tree_profiling): Re-write as IPA pass.  Properly drop const/pure
3795         state of instrumented functions.
3796         * passes.c (init_optimization_passes): Remove early non-SSA
3797         inlining.  Move profiling after early optimizations.
3798         * ipa-inline.c (cgraph_gate_ipa_early_inlining): Remove.
3799         (pass_ipa_early_inline): Likewise.
3800         * tree-pass.h (pass_ipa_early_inline): Remove.
3801         (pass_tree_profile): Likewise.
3802         (pass_ipa_tree_profile): Declare.
3803
3804 2010-10-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3805             Christian Borntraeger  <Christian.Borntraeger@de.ibm.com>
3806
3807         * gcc/config/s390/s390.c (z196_cost): New.
3808         (s390_handle_arch_option): Add -march=z196.
3809         (s390_option_override): Use the new cost function and use the z10
3810         defaults also for z196.
3811         (legitimate_reload_constant_p): Adjust comment.
3812         (legitimate_reload_fp_constant_p): New function.
3813         (s390_preferred_reload_class): Distingiush between FP and Int constants.
3814         (preferred_la_operand_p): Avoid la with index on z196.
3815         (s390_adjust_priority): Trigger also for z196.
3816         (s390_issue_rate): Issue rate for z196 is 3.
3817         (s390_z10_fix_long_loop_prediction): Rename to ...
3818         (s390_fix_long_loop_prediction): ... this.
3819         (s390_reorg): Apply the z10 adjustments also for z196.
3820         (s390_loop_unroll_adjust): Do this also for z196.
3821         * gcc/config/s390/s390.h (enum processor_type): Add PROCESSOR_2817_Z196.
3822         (enum processor_flags): Add PF_Z196.
3823         (TARGET_AVOID_CMP_AND_BRANCH): New macro.
3824         (TARGET_CPU_Z196, TARGET_Z196): New macros.
3825         * gcc/config.gcc: Enable z196 for --with-arch.
3826         * gcc/config/s390/2817.md: New file.
3827         * gcc/config/s390/2084.md: New type for multiply and add.
3828         * gcc/config/s390/2097.md: Likewise.
3829         * gcc/config/s390/s390.md (UNSPEC_POPCNT, UNSPEC_COPYSIGN)
3830         (UNSPECV_ATOMIC_OP): New constants.
3831         (fmadddf, fmaddsf): New values for type attribute.
3832         (z196prop): New insn attribute.
3833         (cpu, cpu_facility): Add z196.
3834         (ATOMIC_Z196): New code iterator.
3835         (noxa): New code attribute.
3836         (gk): New mode attribute.
3837         (*mov<mode>_64, *mov<mode>_31, *mov<mode>_64dfp, mov<mode>):
3838         Support load zero for fp constants.
3839         (fixuns_truncdddi2, fixuns_trunctddi2)
3840         (fixuns_trunc<BFP:mode><GPR:mode>2): Use the standard rtx pattern
3841         for z196.
3842         (fixuns_trunc<mode>si2, mov<mode>cc, popcountdi2, popcountsi2)
3843         (popcounthi2, popcountqi2): New expander.
3844         (*fixuns_trunc<FP:mode><GPR:mode>2_z196, floatsi<mode>2)
3845         (floatuns<GPR:mode><FP:mode>2, *mov<mode>cc, sync_<atomic><mode>)
3846         (sync_old_<atomic><mode>, *popcount<mode>, copysign<mode>3): New
3847         insn definition.
3848         (add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry1_cconly)
3849         (*add<mode>3_carry2_cc, *add<mode>3_carry2_cconly, *add<mode>3_cc)
3850         (*add<mode>3_cconly, *add<mode>3_cconly2, *add<mode>3_imm_cc)
3851         (*sub<mode>3, *sub<mode>3_borrow_cc, *sub<mode>3_borrow_cconly)
3852         (*sub<mode>3_cc, *sub<mode>3_cc2, *sub<mode>3_cconly)
3853         (*sub<mode>3_cconly2, *anddi3_cc, *anddi3_cconly, *anddi3, *andsi3_cc)
3854         (*andsi3_cconly, *andsi3_zarch, *andsi3_esa, *andhi3_zarch
3855         (*andqi3_zarch, *iordi3_cc, *iordi3_cconly, *iordi3, *iorsi3_cc)
3856         (*iorsi3_cconly, *iorsi3_zarch, *iorhi3_zarch, *iorqi3_zarch)
3857         (*xordi3_cc, *xordi3_cconly, *xordi3, *xorsi3_cc, *xorsi3_cconly)
3858         (*xorsi3, *xorhi3, *xorqi3, *<shift><mode>3, *<shift><mode>3_and)
3859         (*ashr<mode>3_cc, *ashr<mode>3_cconly, *ashr<mode>3)
3860         (*ashr<mode>3_cc_and, *ashr<mode>3_cconly_and, *ashr<mode>3_and):
3861         Support new z196 instructions.
3862
3863 2010-10-05  Richard Guenther  <rguenther@suse.de>
3864
3865         PR middle-end/45877
3866         * gimple-fold.c (gimplify_and_update_call_from_tree): Handle
3867         case where gimplification optimizes away the stmt.
3868
3869 2010-10-04  Jakub Jelinek  <jakub@redhat.com>
3870
3871         PR debug/45849
3872         * var-tracking.c (strip_pointer_flags): New function.
3873         (emit_note_insn_var_location): If rtx_equal_p check failed,
3874         retry on locations simplified with simplify_replace_fn_rtx
3875         and strip_pointer_flags as its callback.
3876
3877 2010-10-04  Jan Hubicka  <jh@suse.cz>
3878
3879         * gimple-fold.c (static_object_in_other_unit_p): Rename to...
3880         (can_refer_decl_in_current_unit_p): ... this one; reverse return
3881         value; handle comdats too.
3882         (canonicalize_constructor_val): Use it; handle function_decls
3883         correctly.
3884         (gimple_fold_obj_type_ref_known_binfo): Likewise.
3885         * gimple.c (get_base_address): Accept all kinds of decls.
3886
3887 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
3888
3889         * flags.h (g_switch_value, g_switch_set): Remove.
3890         * opts.c (g_switch_value, g_switch_set): Remove.
3891         * config/g.opt (G): Add Var(g_switch_value).
3892         * config/alpha/alpha.c (alpha_handle_option): Don't handle -G here.
3893         (alpha_option_override): Check global_options_set.x_g_switch_value
3894         instead of g_switch_set.
3895         (alpha_in_small_data_p): Remove cast in comparison with
3896         g_switch_value.
3897         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Cast
3898         g_switch_value to unsigned HOST_WIDE_INT.
3899         * config/frv/frv.c (frv_const_unspec_p): Remove cast in comparison
3900         with g_switch_value.
3901         (frv_handle_option): Don't handle -G here.
3902         (frv_option_override): Check global_options_set.x_g_switch_value
3903         instead of g_switch_set.  Don't modify g_switch_set.
3904         (frv_in_small_data_p): Remove cast in comparison with g_switch_value.
3905         * config/frv/frv.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Cast
3906         g_switch_value to unsigned HOST_WIDE_INT.
3907         * config/ia64/ia64.c (ia64_handle_option): Don't handle -G here.
3908         (ia64_option_override): Check global_options_set.x_g_switch_value
3909         instead of g_switch_set.
3910         * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION):
3911         Remove.
3912         (lm32_in_small_data_p): Remove cast in comparison with
3913         g_switch_value.
3914         * config/lm32/lm32.h (ASM_OUTPUT_ALIGNED_LOCAL,
3915         ASM_OUTPUT_ALIGNED_COMMON): Cast g_switch_value to unsigned
3916         HOST_WIDE_INT.
3917         * config/m32r/m32r.c (m32r_handle_option): Don't handle -G here.
3918         (m32r_init): Check global_options_set.x_g_switch_value instead of
3919         g_switch_set.
3920         (m32r_in_small_data_p): Remove cast in comparison with
3921         g_switch_value.
3922         (m32r_file_start): Format g_switch_value with %d.
3923         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_COMMON,
3924         ASM_OUTPUT_ALIGNED_BSS): Cast g_switch_value to unsigned HOST_WIDE_INT.
3925         * config/microblaze/microblaze.c (microblaze_handle_option): Don't
3926         handle -G here.
3927         (microblaze_option_override): Check
3928         global_options_set.x_g_switch_value instead of g_switch_set.
3929         * config/mips/mips.c (mips_handle_option): Don't handle -G here.
3930         (mips_option_override): Check global_options_set.x_g_switch_value
3931         instead of g_switch_set.
3932         * config/rs6000/rs6000.c (rs6000_handle_option): Don't handle -G here.
3933         (rs6000_file_start): Format g_switch_value with %d.
3934         (small_data_operand, rs6000_elf_in_small_data_p): Remove casts in
3935         comparisons with g_switch_value.
3936         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Check
3937         global_options_set.x_g_switch_value instead of g_switch_set.
3938         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
3939         global_options_set.x_g_switch_value instead of g_switch_set.
3940         * config/score/score.c (score_handle_option): Don't handle -G here.
3941         * config/score/score3.c (score3_option_override): Check
3942         global_options_set.x_g_switch_value instead of g_switch_set.
3943         * config/score/score7.c (score7_option_override): Check
3944         global_options_set.x_g_switch_value instead of g_switch_set.
3945
3946 2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>
3947
3948         * common.opt (fira-coalesce): Remove.
3949
3950         * doc/invoke.texi (flag_ira_coalesce): Remove.
3951
3952         * ira-color.c (allocno_coalesced_p): Move before
3953         copy_freq_compare_func.
3954         processed_coalesced_allocno_bitmap): Ditto.
3955         (update_conflict_hard_regno_costs): Don't use
3956         ALLOCNO_FIRST_COALESCED_ALLOCNO.
3957         (allocno_cost_compare_func, print_coalesced_allocno): Remove.
3958         (assign_hard_reg): Assume no coalesced allocnos.
3959         (get_coalesced_allocnos_attributes): Remove.
3960         (bucket_allocno_compare_func): Assume no coalesced allocnos.
3961         (push_allocno_to_stack): Ditto.
3962         (remove_allocno_from_bucket_and_push): Use
3963         ira_print_expanded_allocno instead of print_coalesced_allocno.
3964         (push_allocnos_to_stack): Assume uncoalesced allocnos.
3965         (all_conflicting_hard_regs_coalesced): Ditto.  Rename to
3966         all_conflicting_hard_regs.
3967         (setup_allocno_available_regs_num): Assume uncoalesced allocnos.
3968         (setup_allocno_left_conflicts_size): Ditto.
3969         (put_allocno_into_bucket): Ditto.
3970         (copy_freq_compare_func): Remove.
3971         (copy_freq_compare_func, merge_allocnos): Move before
3972         coalesced_pseudo_reg_freq_compare.
3973         coalesced_allocno_conflict_p): Ditto.
3974         (coalesced_allocno_conflict_p, coalesce_allocnos): Ditto.  Remove
3975         parameter.  Assume it true.
3976         (color_allocnos): Assume uncoalesced allocnos.  Use
3977         ira_print_expanded_allocno instead of print_coalesced_allocno.
3978         (ira_sort_regnos_for_alter_reg): Call coalesce_allocnos without
3979         parameter.
3980
3981         * ira.c: Remove comment about coalescing.
3982
3983 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
3984
3985         * config/mips/mips.h (target_flags_explicit): Declare for
3986         GENERATOR_FILE.
3987
3988 2010-10-04  Andi Kleen <ak@linux.intel.com>
3989
3990         * Makefile.in (xgcc, cpp, cc1, collect2, lto-wrapper, gcov,
3991         gcov-dump, cc1-dummy, genprog, build/gcov-iov): Add + to build rule.
3992
3993 2010-10-04  Matthias Klose  <doko@ubuntu.com>
3994
3995         * config/sparc/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
3996         multilib osdirname if it exists.
3997         * config/s390/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
3998
3999 2010-10-04  Jakub Jelinek  <jakub@redhat.com>
4000
4001         PR middle-end/45876
4002         * fold-const.c (fold_binary_loc) <case BIT_AND_EXPR>: Use
4003         arg0's type or its unsigned counterpart as utype.  Convert
4004         arg1 to utype unconditionally.
4005
4006 2010-10-04  Julian Brown  <julian@codesourcery.com>
4007
4008         * expr.c (expand_assignment): Add assertion to prevent emitting
4009         null rtx for movmisalign pattern.
4010         (expand_expr_real_1): Likewise.
4011         * config/arm/arm.c (arm_builtin_support_vector_misalignment): New.
4012         (TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT): New. Use above.
4013         (arm_vector_alignment_reachable): New.
4014         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): New. Use above.
4015         (neon_vector_mem_operand): Disallow PRE_DEC for misaligned loads.
4016         (arm_print_operand): Include alignment qualifier in %A.
4017         * config/arm/neon.md (UNSPEC_MISALIGNED_ACCESS): New constant.
4018         (movmisalign<mode>): New expander.
4019         (movmisalign<mode>_neon_store, movmisalign<mode>_neon_load): New
4020         insn patterns.
4021
4022 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
4023
4024         * optc-gen.awk: Define global_options_set.  Don't define
4025         target_flags_explicit.
4026         * opth-gen.awk: Declare global_options_set.  Define
4027         target_flags_explicit as macro.
4028         * opts-common.c (handle_option): Take opts_set and generated_p
4029         parameters.
4030         (handle_generated_option, read_cmdline_option, set_option): Take
4031         opts_set parameter.
4032         (set_option): Use opts_set instead of hardcoding target_flags and
4033         target_flags_explicit.
4034         * opts.c (sel_sched_switch_set, profile_arc_flag_set,
4035         flag_profile_values_set, flag_unroll_loops_set, flag_tracer_set,
4036         flag_value_profile_transformations_set, flag_peel_loops_set,
4037         flag_branch_probabilities_set, flag_inline_functions_set,
4038         flag_ipa_cp_set, flag_ipa_cp_clone_set,
4039         flag_predictive_commoning_set, flag_unswitch_loops_set,
4040         flag_gcse_after_reload_set): Remove.
4041         (common_handle_option, lang_handle_option, target_handle_option):
4042         Take opts_set parameter.  Assert that it is &global_options_set.
4043         (common_handle_option): Don't set _set variables.  Check opts_set
4044         instead of such variables.
4045         (enable_warning_as_error): Pass &global_options_set to
4046         handle_generated_option.
4047         * opts.h (cl_option_handler_func.handler, set_option,
4048         handle_option, handle_generated_option, read_cmdline_option): Add
4049         opts_set parameters.
4050         (handle_option): Add generated_p parameter.
4051         * config/i386/i386.c (ix86_function_specific_save,
4052         ix86_function_specific_restore): Updat for renaming of
4053         target_flags_explicit field.
4054         * config/i386/i386.opt (target_flags_explicit): Rename to
4055         ix86_target_flags_explicit.
4056         * config/ia64/ia64.c (ia64_override_options_after_change): Check
4057         global_options_set.x_flag_selective_scheduling and
4058         global_options_set.x_flag_selective_scheduling2, not
4059         sel_sched_switch_set.
4060         * flags.h (sel_sched_switch_set,
4061         flag_speculative_prefetching_set): Remove.
4062         * gcc.c (driver_handle_option): Take opts_set parameter.  Assert
4063         that it is &global_options_set.
4064         (process_command): Pass &global_options_set to read_cmdline_option.
4065         * lto-opts.c (lto_reissue_options): Pass &global_options_set to
4066         set_option.
4067         * toplev.c (target_flags_explicit): Remove.
4068
4069 2010-10-04  Jan Hubicka  <jh@suse.cz>
4070
4071         PR middle-end/45871
4072         * tree-ssa-ccp.c (get_base_constructor): Take HOST_WIDE_INT offset;
4073         use get_ref_base_and_offset to handle references.
4074         (fold_const_aggregate_ref): Update.
4075
4076 2010-10-04  Martin Jambor  <mjambor@suse.cz>
4077
4078         PR tree-optimization/45572
4079         * ipa-prop.c (ipa_make_edge_direct_to_target): Call
4080         ipa_check_create_node_params.
4081         * ipa-inline.c (add_new_edges_to_heap): Do not insert inlined edges.
4082
4083 2010-10-04  Yao Qi  <yao@codesourcery.com>
4084
4085         * doc/passes.texi: Clean up.
4086
4087 2010-10-03  Ian Lance Taylor  <iant@google.com>
4088
4089         * c-typeck.c (lookup_field): If -fplan9-extensions, permit
4090         referring to a field using a typedef name.
4091         (find_anonymous_field_with_type): New static function.
4092         (convert_to_anonymous_field): New static function.
4093         (convert_for_assignment): If -fplan9-extensions, permit converting
4094         pointer to struct to pointer to anonymous field.
4095         * c-decl.c (grokfield): If -fplan9-extensions, permit anonymous fields.
4096         (is_duplicate_field): New static function.
4097         (detect_field_duplicates_hash): If -fplan9-extensions, check for
4098         typedef names duplicating field names.
4099         (detect_field_duplicates): Likewise.
4100         * doc/invoke.texi (Option Summary): Mention -fplan9-extensions.
4101         (C Dialect Options): Document -fplan9-extensions.
4102         * doc/extend.texi (Unnamed Fields): Document -fplan9-extensions.
4103
4104 2010-10-03  H.J. Lu  <hongjiu.lu@intel.com>
4105
4106         * tree-vect-data-refs.c (vect_analyze_data_ref_access): Revert
4107         revision 164914.
4108         (vect_create_data_ref_ptr): Likewise.
4109         * tree-vect-stmts.c (vectorizable_store): Likewise.
4110         (perm_mask_for_reverse): Likewise.
4111         (reverse_vec_elements): Likewise.
4112         (vectorizable_load): Likewise.
4113
4114 2010-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4115
4116         * cppbuiltin.c: New file.
4117         * cppbuiltin.h: New file.
4118         * Makefile.in: Take into account cppbuiltin.{h,c}.
4119
4120 2010-10-03  Andi Kleen <ak@linux.intel.com>
4121
4122         * lto-cgraph.c (input_cgraph): Check for missing sections.
4123
4124 2010-10-03  Uros Bizjak  <ubizjak@gmail.com>
4125
4126         * config/i386/i386.md (*ashl<mode>3_mask): Change operand 2 predicate
4127         to nonimmediate_operand.  Force operand 2 to register when allowed.
4128         (*<shiftrt_insn><mode>3_mask): Ditto.
4129         (*<rotate_insn><mode>3_mask): Ditto.
4130
4131 2010-10-02  H.J. Lu  <hongjiu.lu@intel.com>
4132
4133         PR tree-optimization/45720
4134         PR tree-optimization/45764
4135         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
4136         Don't accept backwards consecutive accesses.
4137         (vect_create_data_ref_ptr): Disallow negative steps.
4138
4139         * tree-vect-stmts.c (vectorizable_store): Allow negative steps.
4140         (perm_mask_for_reverse): Removed.
4141         (reverse_vec_elements): Likewise.
4142         (vectorizable_load): Don't handle negative steps.
4143
4144 2010-10-02  Jan Hubicka  <jh@suse.cz>
4145
4146         * tree-ssa-ccp.c (ccp_fold_stmt): Fold away OBJ_TYPE_REF when
4147         call destination is known.
4148
4149 2010-10-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4150
4151         PR target/45820
4152         * config/pa/pa.c (pa_secondary_reload): Handle symbolic operands
4153         earlier.
4154
4155 2010-10-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4156
4157         * doc/install.texi (Configuration): Document build_configargs,
4158         host_configargs, target_configargs.
4159
4160 2010-10-01  Uros Bizjak  <ubizjak@gmail.com>
4161
4162         * config/i386/i386.md (*ashl<mode>3_mask): New insn_and_split pattern.
4163         (*<shiftrt_insn><mode>3_mask): Ditto.
4164         (*<rotate_insn><mode>3_mask): Ditto.
4165
4166 2010-10-01  Steve Ellcey  <sje@cup.hp.com>
4167
4168         PR tree-optimization/44716
4169         * config/ia64/hpux.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.
4170         (HOT_TEXT_SECTION_NAME): Define.
4171
4172 2010-10-01  Nick Clifton  <nickc@redhat.com>
4173
4174         * common.opt: Add -fcombine-stack-adjustments.
4175         * opts.c (decode_options): Enable -fcombine-stack-adjustments at -O1.
4176         * combine-stack-adj.c (gate_handle_stack_adjustments): Check
4177         flag_combine_stack_adjustments.
4178         * doc/invoke.texi: Document the new option.
4179
4180 2010-10-01  Richard Guenther  <rguenther@suse.de>
4181
4182         PR tree-optimization/45854
4183         * tree-eh.c (cleanup_empty_eh): Avoid degenerate case.
4184
4185 2010-10-01  Anthony Green  <green@moxielogic.com>
4186
4187         * config.gcc: Fix moxie-*-rtems* configuration.
4188
4189 2010-10-01  Richard Guenther  <rguenther@suse.de>
4190
4191         * dwarf2out.c (gen_namespace_die): Use DECL_FILE_SCOPE_P.
4192         (gen_decl_die): Likewise.
4193
4194 2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4195
4196         * config/spu/spu.c (spu_init_builtins): No longer add END_BUILTINS
4197         to the function code for SPU MD builtins.
4198         (spu_expand_builtin): Update.
4199         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Update.
4200
4201 2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4202
4203         * config/spu/spu.c (TARGET_EXCEPT_UNWIND_INFO): Set to
4204         sjlj_except_unwind_info.
4205
4206 2010-10-01  Tristan Gingold  <gingold@adacore.com>
4207
4208         * configure.ac: Define the nop insn for avr*-*-*
4209         * configure: Regenerate.
4210
4211 2010-10-01  Alan Modra  <amodra@gmail.com>
4212
4213         PR target/45807
4214         * config/rs6000/rs6000.c (rs6000_emit_prologue): Properly sign
4215         extend toc_restore_insn.
4216
4217 2010-09-30  Richard Guenther  <rguenther@suse.de>
4218
4219         PR tree-optimization/43959
4220         * function.c (gimplify_parameters): Use create_tmp_reg instead of
4221         create_tmp_var.
4222
4223 2010-09-30  Kaz Kojima  <kkojima@gcc.gnu.org>
4224
4225         * config/sh/sh.c (sh_expand_prologue): Set
4226         current_function_static_stack_size.
4227
4228 2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4229
4230         * configure.ac: Check for Solaris 8 ld with .hidden support.
4231         * configure: Regenerate.
4232
4233 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235         PR middle-end/45758
4236         * graphite.c (graphite_initialize): Call scev_reset.
4237
4238 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         * sese.h (scev_analyzable_p): Return false for real or floating
4241         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
4242
4243 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4244
4245         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
4246         and ps.
4247         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
4248         domain.
4249         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
4250         Do not allocate ub_expr, it is passed in initialized.
4251
4252 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
4253
4254         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
4255         (build_cloog_prog): Dump CLooG input file when
4256         flag_graphite_dump_cloog is set.  This is disabled on trunk.
4257         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
4258
4259 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4260
4261         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
4262         verify_dominators for CDI_POST_DOMINATORS.
4263         * sese.h: Remove comment about CDI_POST_DOMINATORS.
4264         (recompute_all_dominators): Remove call to free_dominance_info
4265         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
4266         for CDI_POST_DOMINATORS.
4267
4268 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4269
4270         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
4271         over pbb_dim_iter_domain.
4272
4273 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4274
4275         * graphite-flattening.c: Fix comments.
4276
4277 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4278
4279         * Makefile.in (OBJS-common): Add graphite-flattening.o.
4280         (graphite-flattening.o): New rule.
4281         * common.opt (floop-flatten): New flag.
4282         * doc/invoke.texi (-floop-flatten): Documented.
4283         * graphite-flattening.c: New.
4284         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
4285         * graphite-poly.h (flatten_all_loops): Declared.
4286         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
4287         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
4288         is set, also set flag_graphite.
4289
4290 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4291
4292         * graphite-poly.c (cloog_checksum): New.
4293         * graphite-poly.h (cloog_checksum): Declared.
4294
4295 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4296
4297         * graphite-poly.c (pbb_number_of_iterations): Removed.
4298         (pbb_number_of_iterations_at_time): Correctly compute the number
4299         of iterations in the transformed loop.
4300         * graphite-poly.h (pbb_number_of_iterations): Removed.
4301
4302 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4303
4304         * graphite-poly.h (lst_update_scattering_seq): Removed.
4305         (lst_update_scattering): Correctly handle outermost loop dewey
4306         renumbering.
4307
4308 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4309
4310         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
4311         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
4312         * graphite-poly.h (lst_niter_for_loop): New.
4313
4314 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4315
4316         * graphite-poly.c (apply_poly_transforms): Do not abort when the
4317         transform read from disk is not legal.  Call fatal_error instead.
4318
4319 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4320
4321         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
4322         (print_scop_header): Removed.  Inlined in the only call place...
4323         (print_scop): ... here.
4324
4325 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4326
4327         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
4328
4329 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4330
4331         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
4332
4333 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4334
4335         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
4336         (dot_deps_stmt): Same.
4337         * graphite-poly.c (dot_lst): Same.
4338
4339 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4340
4341         * graphite-blocking.c (scop_do_strip_mine): Do not call
4342         graphite_legal_transform.
4343         (scop_do_block): Same.
4344
4345 2010-09-30  Vladimir Kargov  <kargov@gmail.com>
4346
4347         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
4348         description.
4349
4350 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4351
4352         * tree-scalar-evolution.c (instantiate_array_ref): New.
4353         (instantiate_scev_r): Also handle ARRAY_REFs.
4354
4355 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4356
4357         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
4358         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
4359         RESULT_DECL, and FIELD_DECL.  Return false for an
4360         SSA_NAME_IS_DEFAULT_DEF.
4361         (compute_scalar_evolution_in_loop): Do not further analyze the
4362         scalar evolution when no_evolution_in_loop_p returns true.
4363
4364 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         * tree-chrec.h (evolution_function_is_affine_p): Do not check
4367         whether CHREC_LEFT is invariant.  A function is affine when
4368         CHREC_RIGHT is invariant.
4369
4370 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4371
4372         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
4373         is_gimple_reg.
4374         (rewrite_degenerate_phi): Same.
4375         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
4376
4377 2010-09-30  Vladimir Kargov  <kargov@gmail.com>
4378
4379         * graphite-scop-detection.c (graphite_can_represent_scev,
4380         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
4381         graphite_can_represent_loop): Remove outermost_loop.
4382
4383 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4384
4385         PR middle-end/45229
4386         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
4387         handle GIMPLE_CALLs with no LHS.
4388
4389 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
4390
4391         * graphite-poly.c (init_graphite_out_file): New.
4392         (init_graphite_in_file): New.
4393         (apply_poly_transforms): Updated to enable reading and writing of
4394         multiple scop files.
4395
4396 2010-09-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4397
4398         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
4399         redundant checks.
4400
4401 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * graphite-clast-to-gimple.c (precision_for_value): Adjust
4404         computation of precision by 1.
4405
4406 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
4407
4408         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
4409         (openscop_read_polyhedron_matrix): New.
4410         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
4411         (openscop_read_N_int): Same.
4412         * graphite-poly.c (openscop_read_N_int): New.
4413         (openscop_read_one_int): New.
4414         (openscop_read_N_string): New.
4415         (openscop_read_one_string): New.
4416         (openscop_read_powerset_matrix): New.
4417         (graphite_read_transforms): Remove.
4418         (graphite_read_scatt): New.
4419         (graphite_read_scop_file): New.
4420         (apply_poly_transforms): Updated to call graphite_read_scop_file.
4421
4422 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
4423
4424         * graphite-poly.c: Change include order.
4425
4426 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
4427
4428         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
4429         (cloog_matrix_nrows): New.
4430
4431 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
4432
4433         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
4434         from matrix lines.
4435         * graphite-poly.c (openscop_print_scattering_function_1): Same.
4436         (print_scattering_function_1): Same.
4437         (openscop_print_pbb_domain): Same.
4438         (openscop_print_scop_context): Same.
4439         (print_scop_context): Same.
4440
4441 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
4442
4443         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
4444         (openscop_print_pdr_polyhedron): Print pph.
4445
4446 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4447
4448         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
4449         priority signed types.
4450
4451 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
4452
4453         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove
4454         the call to lang_hooks.types.type_for_size.  Call
4455         build_nonstandard_integer_type.
4456
4457 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
4458
4459         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
4460         (openscop_print_polyhedron_matrix): New.
4461         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
4462         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
4463         (openscop_print_pdr_powerset): New.
4464         (openscop_print_powerset_matrix): New.
4465         (openscop_print_scattering_function_1): New.
4466         (print_scattering_function): Add support for scattering names and
4467         OpenScop format.
4468         (graphite_write_transforms): Remove.
4469         (print_pdr_access_layout): Updated to support OpenScop format.
4470         (print_pdr): Same.
4471         (openscop_print_pbb_domain): New.
4472         (print_pbb_body): Added a parameter to allow indicating that pbb_body
4473         is not provided.
4474         (print_pbb): Updated to call the new print_pbb_body.
4475         (openscop_print_scop_context): New.
4476         (print_scop_header): New.
4477         (print_scop): Updated to call print_scop_header.
4478         * graphite-poly.h: Document OpenScop format.
4479
4480 2010-09-30  Anatoly Sokolov  <aesok@post.ru>
4481
4482         * config/cris/m32c.c (cris_memory_move_cost): New.
4483         (cris_register_move_cost): Make static. Change arguments type from
4484         enum reg_class to reg_class_t.
4485         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
4486         * config/cris/cris.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
4487         * config/cris/cris-protos.h (cris_register_move_cost): Remove.
4488
4489 2010-09-30  Jakub Jelinek  <jakub@redhat.com>
4490
4491         PR target/45843
4492         * config/i386/i386.c (ix86_gimplify_va_arg): Use
4493         INTVAL (XEXP (slot, 1)) as prev_size.
4494
4495 2010-09-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
4496
4497         PR target/45837
4498         * config/rs6000/aix.h (TARGET_AIX_OS): Define to be 1.
4499         * config/rs6000/rs6000.h (TARGET_AIX_OS): Define to be 0 if not
4500         defined.
4501         * config/rs6000/option-defaults.h (toplevel): Change #if
4502         TARGET_AIX to TARGET_AIX_OS to allow compiler to build after
4503         global option changes.
4504
4505 2010-09-30  Jakub Jelinek  <jakub@redhat.com>
4506
4507         * dwarf2out.c (mem_loc_descriptor): Handle IF_THEN_ELSE.
4508
4509         PR tree-optimization/31261
4510         * fold-const.c (fold_binary): Optimize ((A & N) + B) & M
4511         for constants M and N, M == (1LL << cst) - 1 && (N & M) == M.
4512
4513 2010-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4514
4515         PR bootstrap/45796
4516         * Makefile.in (build/gen%$(build_exeext)): Move rule after all
4517         special-casing for generators and turn into ...
4518         ((genprog:%=build/gen%$(build_exeext))): ... this static pattern
4519         rule, for better error messages in case of toplevel dependency errors.
4520         (genprog): Add hooks, rename to ...
4521         (genprogerr): ... this, and let genprog also contain check,
4522         checksum, condmd.
4523         ((genprog:%=build/gen%$(build_exeext))): Rename to ...
4524         ((genprogerr:%=build/gen%$(build_exeext))): ... this.
4525         (build/genhooks$(build_exeext)): Remove now-unneeded dependency.
4526
4527 2010-09-30  Jonathan Wakely  <jwakely.gcc@gmail.com>
4528             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4529
4530         * doc/install.texi: Suggest using LD_LIBRARY_PATH to find libs
4531         for GMP, MPFR and MPC.
4532
4533 2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4534
4535         * config/sparc/sparc.opt (mimpure-text): Move ...
4536         * config/sol2.opt: ... here.  Correct description.
4537         * config.gcc (*-*-solaris2*): Add sol2.opt to extra_options.
4538         * doc/invoke.texi (Option Summary, SPARC Options): Move
4539         -mimpure-text, -mno-impure-text, -threads, -pthreads, -pthread ...
4540         (Option Summary, Solaris 2 Options): ... here.
4541         (Submodel Options, Solaris 2 Options): New menu entry.
4542         (SPARC Options): Move -mimpure-text, -threads, -pthreads, -pthread ...
4543         (Solaris 2 Options): ... here.
4544
4545 2010-09-30  Michael Eager  <eager@eagercon.com>
4546
4547         * extend.texi (interrupt_handler): Add MicroBlaze to list.
4548         (save_volatiles): Describe option for MicroBlaze.
4549         * invoke.texi: Add MicroBlaze Options.
4550         * contrib.texi: Add acknowledgment.
4551         * md.texi: Add MicroBlaze d and z constraints.
4552         * install.texi: Add microblaze-*-elf.
4553         * configure.ac: Add microblaze-*-* to target list.
4554         * configure: Regenerate.
4555         * config.gcc: Add microblaze*-*-*, microblaze*-linux*.
4556         * config/microblaze/microblaze-protos.h: New.
4557         * config/microblaze/crti.s: New.
4558         * config/microblaze/predicates.md: New.
4559         * config/microblaze/linux.h: New.
4560         * config/microblaze/microblaze.md: New.
4561         * config/microblaze/constraints.md: New.
4562         * config/microblaze/crtn.s: New.
4563         * config/microblaze/microblaze.opt: New.
4564         * config/microblaze/microblaze-c.c: New.
4565         * config/microblaze/t-microblaze: New.
4566         * config/microblaze/microblaze.c: New.
4567         * config/microblaze/microblaze.h: New.
4568
4569 2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>
4570
4571         * c-parser.c (c_parser_objc_methodprotolist): Amend preceding comment,
4572         parse @optional/@required and set the flags as appropriate.
4573
4574 2010-09-30  Nathan Froyd  <froydnj@codesourcery.com>
4575
4576         * config/iq2000/t-iq2000 (TARGET_LIBGCC2_CFLAGS): Delete.
4577
4578 2010-09-30  Joseph Myers  <joseph@codesourcery.com>
4579
4580         * opt-functions.awk (static_var): Update comment.
4581         (var_ref): Return offsetof expression or -1, not variable address.
4582         * optc-gen.awk: Generate structure field initializers instead of
4583         static variables.  Expect -1 for missing variables instead of null
4584         pointer.  Add gcc_options parameters to generated functions.
4585         * opth-gen.awk: Generate structure fields for static variables.
4586         Add gcc_options parameters to generated functions.
4587         * common.opt (optimize, optimize_size): Add variables.
4588         * config/i386/i386-c.c (ix86_pragma_target_parse): Pass
4589         &global_options to cl_target_option_restore.
4590         * config/i386/i386.c (ix86_valid_target_attribute_p): Pass
4591         &global_options to cl_optimization_restore, cl_target_option_save
4592         and cl_target_option_restore.
4593         (ix86_set_current_function): Pass &global_options to
4594         cl_target_option_restore.
4595         * config/pdp11/pdp11.h (optimize): Remove.
4596         * config/rs6000/rs6000.h (optimize): Remove.
4597         * config/sh/sh.h (optimize): Remove.
4598         * config/xtensa/xtensa.h (optimize): Remove.
4599         * coretypes.h (struct gcc_options): Declare.
4600         * diagnostic.c (diagnostic_initialize): Initialize
4601         context->option_state.
4602         (diagnostic_report_diagnostic): Pass option_state to
4603         option_enabled hook.
4604         * diagnostic.h (diagnostic_context.option_enabled): Add void *
4605         parameter.
4606         (diagnostic_context.option_state): New field.
4607         * final.c (final_start_function, final, final_scan_insn): Rename
4608         optimize parameter to optimize_p.
4609         * flags.h (optimize, optimize_size): Remove.
4610         * function.c (invoke_set_current_function_hook): Pass
4611         &global_options to cl_optimization_restore.
4612         * gcc.c (driver_handle_option): Take gcc_options parameter.
4613         Assert that it is &global_options.
4614         (process_command): Pass &global_options to read_cmdline_option.
4615         * ipa-pure-const.c (suggest_attribute): Pass &global_options to
4616         option_enabled.
4617         * lto-opts.c (lto_reissue_options): Use option_flag_var.  Pass
4618         &global_options to set_option.
4619         * opts-common.c (handle_option, handle_generated_option,
4620         read_cmdline_option, set_option): Take explicit gcc_options
4621         parameters.  Use option_flag_var.
4622         (option_flag_var): New.
4623         * opts.c (common_handle_option, lang_handle_option,
4624         target_handle_option): Take gcc_options parameter.  Assert that it
4625         is &global_options.
4626         (read_cmdline_options): Pass &global_options to read_cmdline_option.
4627         (print_filtered_help): Use option_flag_var.  Pass &global_options
4628         to option_enabled.
4629         (common_handle_option): Use option_flag_var.
4630         (option_enabled): Take opts parameter.  Use option_flag_var.
4631         (get_option_state): Take gcc_options parameter.  Use
4632         option_flag_var.  Pass gcc_options parameter to option_enabled.
4633         (enable_warning_as_error): Pass &global_options to
4634         handle_generated_option.
4635         * opts.h (struct cl_option): Change flag_var to flag_var_offset.
4636         (cl_option_handler_func.handler): Take gcc_options parameter.
4637         (option_enabled, get_option_state, set_option, handle_option,
4638         handle_generated_option, read_cmdline_option): Take gcc_options
4639         parameters.
4640         * toplev.c (optimize, optimize_size): Remove.
4641         (print_switch_values): Pass &global_options to option_enabled.
4642         (option_affects_pch_p): Use option_flag_var.  Pass &global_options
4643         to get_option_state.
4644         (general_init): Initialize global_dc->option_state.
4645         * tree.c (build_optimization_node): Pass &global_options to
4646         cl_optimization_save.
4647         (build_target_option_node): Pass &global_options to
4648         cl_target_option_save.
4649
4650 2010-09-30  Martin Jambor  <mjambor@suse.cz>
4651
4652         * tree-sra.c (type_consists_of_records_p): Do not check for trailing
4653         zero sized bit-fields.
4654
4655 2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>
4656
4657         * c-parser.c (c_lex_one_token): When finding a CPP_AT_NAME
4658         Objective-C token, map RID_CLASS to RID_AT_CLASS and similar.
4659         (c_parser_external_declaration): Use RID_AT_CLASS instead of RID_CLASS.
4660         (c_parser_objc_class_declaration): Same change.
4661         (c_parser_objc_try_catch_statement): Use RID_AT_TRY instead of
4662         RID_TRY and RID_AT_CATCH instead of RID_CATCH.
4663         (c_parser_objc_class_instance_variables): Use RID_AT_PRIVATE
4664         instead of RID_PRIVATE, RID_AT_PROTECTED instead of RID_PROTECTED
4665         and RID_AT_PUBLIC instead of RID_PUBLIC.
4666         (c_parser_statement_after_labels): Use RID_AT_TRY instead of
4667         RID_TRY and RID_AT_CATCH instead of RID_CATCH.
4668
4669 2010-09-30  Tom G. Christensen <tgc@jupiterrise.com>
4670
4671         * doc/install.texi (Binaries): Update link to HP-UX porting centre.
4672         Add links to current providers of packages for Solaris and IRIX.
4673
4674 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
4675
4676         Merge from 'apple/trunk' branch on FSF servers.
4677         * c-parser.c: Applied change originally in c-parse.in.
4678
4679         2005-10-04  Fariborz Jahanian <fjahanian@apple.com>
4680
4681         Radar 4281748
4682         * c-decl.c (start_decl): Check for redeclaration of class name.
4683         * c-parse.in (after_type_declarator): Recognize CLASSNAME.
4684
4685 2010-09-29  Steve Ellcey  <sje@cup.hp.com>
4686
4687         * config/ia64/ia64.c (ia64_builtin_decl): New.
4688         (TARGET_BUILTIN_DECL): Define.
4689         (ia64_builtins): New.
4690         (ia64_init_builtins): Save decls in ia64_builtins.
4691
4692 2010-09-29  Bernd Schmidt  <bernds@codesourcery.com>
4693
4694         PR target/40457
4695         * postreload.c (move2add_use_add2_insn): Use full_costs for comparison.
4696         (move2add_use_add3_insn): Likewise.
4697         (reload_cse_move2add): Likewise.
4698         * rtlanal.c (get_full_rtx_cost): New function.
4699         * rtl.h (struct full_rtx_costs): New.
4700         (init_costs_to_max, init_costs_to_zero, costs_lt_p,
4701         costs_add_n_insns): New inline functions.
4702         (get_full_rtx_cost): Declare.
4703
4704         PR c/45054
4705         * reload1.c (replace_pseudos_in): Use eliminate_regs_1, allowing
4706         invariants.  Check for reg_equiv_invariant.
4707         (reload): Assert that spilled_pseudos is empty when returning.
4708
4709 2010-09-29  Kai Tietz  <kai.tietz@onevision.com>
4710
4711         * config/i386/mingw32.h (TARGET_64BIT): replaced by
4712         TARGET_64BIT_DEFAULT in #if check.
4713
4714 2010-09-29  Jack Howarth <howarth@bromo.med.uc.edu>
4715
4716         * varasm.c (assemble_alias): Add error message for unsupported ifunc.
4717
4718 2010-09-29  Mike Stump  <mikestump@comcast.net>
4719
4720         * config/darwin.h (flag_mkernel): Remove.
4721         (flag_apple_kext): Likewise.
4722
4723 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
4724             Jack Howarth <howarth@bromo.med.uc.edu>
4725
4726         * config/darwin.opt (undefined): Add.
4727
4728 2010-09-29  Nathan Sidwell  <nathan@codesourcery.com>
4729
4730         PR testsuite/45664
4731         * configure.ac: Add --enable-indirect-function option.
4732         * config.gcc: Add default_gnu_indirect_function.
4733         * config.in (HAVE_GAS_INDIRECT_FUNCTION): Rename to ...
4734         (HAVE_GNU_INDIRECT_FUNCTION): ... this.
4735         * varasm.c (do_assemble_alias): Adjust for macro name change.
4736         * configure: Rebuilt.
4737         * doc/install.texi: Document --enable-indirect-function.
4738
4739 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
4740
4741         * doc/options.texi (Variable, Var, Init): Update documentation
4742         without reference to VarExists.
4743         (VarExists): Remove.
4744         * common.opt, config/i386/i386.opt, config/linux.opt,
4745         config/rs6000/rs6000.opt, config/sh/sh.opt, config/spu/spu.opt:
4746         Don't use VarExists.
4747
4748 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
4749
4750         * optc-gen.awk: Generate global_options initializer instead of
4751         individual variables.  Add x_ prefix to names of structure members.
4752         * opth-gen.awk: Generate gcc_options structure.  Add x_ prefix to
4753         names of structure members.
4754         * doc/tm.texi.in (HARD_FRAME_POINTER_IS_FRAME_POINTER,
4755         HARD_FRAME_POINTER_IS_ARG_POINTER): Document.
4756         * doc/tm.texi: Regenerate.
4757         * alias.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
4758         * builtins.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
4759         * c-parser.c (disable_extension_diagnostics,
4760         restore_extension_diagnostics): Update names of cpp_options members.
4761         * combine.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
4762         * common.opt (fcompare-debug-second): Don't use Var.
4763         * config/alpha/alpha.h (target_flags): Remove.
4764         * config/arm/arm.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
4765         HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
4766         * config/bfin/bfin.h (target_flags): Remove.
4767         * config/cris/cris.h (target_flags): Remove.
4768         * config/i386/i386-c.c (ix86_pragma_target_parse): Update names of
4769         cl_target_option members.
4770         * config/i386/i386.c (ix86_force_align_arg_pointer): Remove.
4771         (ix86_function_specific_print, ix86_valid_target_attribute_tree,
4772         ix86_can_inline_p): Update names of cl_target_option members.
4773         * config/i386/i386.h (ix86_isa_flags): Remove.
4774         * config/lm32/lm32.h (target_flags): Remove.
4775         * config/mcore/mcore.h (mcore_stack_increment): Remove.
4776         * config/mcore/mcore.md (addsi3): Remove extern declaration of
4777         flag_omit_frame_pointer.
4778         * config/mep/mep.h (target_flags): Remove.
4779         * config/mips/mips.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
4780         HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
4781         * config/mmix/mmix.h (target_flags): Remove.
4782         * config/rs6000/rs6000.h (rs6000_xilinx_fpu, flag_pic,
4783         flag_expensive_optimizations): Remove.
4784         * config/s390/s390.h (flag_pic): Remove.
4785         * config/score/score-conv.h (target_flags): Remove.
4786         * config/sh/sh.h (sh_fixed_range_str): Remove.
4787         * config/spu/spu.h (target_flags, spu_fixed_range_string): Remove.
4788         * dbxout.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
4789         * df-scan.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
4790         * diagnostic.c (diagnostic_initialize): Update names of
4791         diagnostic_context members.
4792         * diagnostic.h (diagnostic_context): Rename inhibit_warnings and
4793         warn_system_headers.
4794         (diagnostic_report_warnings_p): Update for new names.
4795         * dwarf2out.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
4796         * emit-rtl.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER and
4797         HARD_FRAME_POINTER_IS_ARG_POINTER.
4798         * flags.h (flag_compare_debug): Declare.
4799         * ira.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
4800         * opts.c (flag_compare_debug): Define.
4801         (common_handle_option): Update names of diagnostic_context
4802         members.  Handle -fcompare-debug-second.
4803         (fast_math_flags_struct_set_p): Update names of cl_optimization
4804         members.
4805         * reginfo.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
4806         * regrename.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
4807         * reload.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
4808         * reload1.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
4809         * resource.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
4810         * rtl.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
4811         HARD_FRAME_POINTER_IS_ARG_POINTER): Define and use.
4812         * sel-sched.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
4813         * stmt.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
4814
4815 2010-09-29  Hariharan Sandanagobalane  <hariharan@picochip.com>
4816
4817         * config/picochip/picochip.c (picochip_output_internal_label):
4818         This function can now be called for debug CFI labels, which can come
4819         in the middle of a vliw instruction.  Postpone until end of vliw.
4820
4821 2010-09-29  Richard Guenther  <rguenther@suse.de>
4822
4823         * tree.h (SCOPE_FILE_SCOPE_P): New macro.
4824         (DECL_FILE_SCOPE_P): Use it.
4825         (TYPE_FILE_SCOPE_P): New macro.
4826
4827 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
4828
4829         * c-parser.c (c_lex_one_token): In Objective-C, when dealing with
4830         a CPP_NAME which is a reserved word, clearly separate cases for
4831         OBJC_IS_PQ_KEYWORD, OBJC_IS_AT_KEYWORD and OBJC_IS_CXX_KEYWORD.
4832
4833 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
4834
4835         * c-parser.c (c_lex_one_token): In Objective-C, do not replace
4836         token->value with the canonical spelling.  Do exactly like C and
4837         C++ and leave it as it is.
4838
4839 2010-09-28  Richard Henderson  <rth@redhat.com>
4840
4841         * config/alpha/alpha.c (alpha_builtins): New.
4842         (alpha_builtin_decl, TARGET_BUILTIN_DECL): New.
4843         (alpha_builtin_function): New.
4844         (alpha_add_builtins, alpha_init_builtins): Use it.
4845
4846 2010-09-28  Nicola Pero  <nicola.pero@meta-innovation.com>
4847
4848         * doc/standards.texi (Standards): Expanded the section on
4849         Objective-C and Objective-C++.
4850
4851 2010-09-28  DJ Delorie  <dj@redhat.com>
4852
4853         PR target/45800
4854         * config/m32c/m32c.c (m32c_subreg): Force adjustment of subregs of
4855         volatile MEMs.
4856
4857 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
4858
4859         * c-parser.c (c_parser_declaration_or_fndef): Diagnose incorrect prefix
4860         attributes on methods.
4861          (c_parser_objc_method_definition): Handle attributes.
4862         (c_parser_objc_methodproto): Likewise.
4863         (c_parser_objc_maybe_method_attributes): New.
4864         (c_parser_objc_method_decl): Handle attributes, add a diagnostic for a
4865         missing definition, similar to that in ObjC++.
4866
4867 2010-09-28  Richard Henderson  <rth@redhat.com>
4868
4869         * defaults.h (DWARF2_UNWIND_INFO): Don't depend on TARGET_UNWIND_INFO.
4870         (MUST_USE_SJLJ_EXCEPTIONS): Remove.
4871         (CONFIG_SJLJ_EXCEPTIONS): Remove.
4872         (STACK_OLD_CHECK_PROTECT): Use targetm.except_unwind_info.
4873         (STACK_CHECK_PROTECT): Likewise.
4874         * dwarf2out.c (DWARF2_UNWIND_INFO, DWARF2_FRAME_INFO): Poison.
4875         (dwarf2out_do_frame): Use debug_unwind_info and except_unwind_info.
4876         (dwarf2out_do_cfi_asm, dwarf2out_begin_prologue): Likewise.
4877         (dwarf2out_frame_init, dwarf2out_frame_finish): Likewise.
4878         (dwarf2out_assembly_start): Likewise.
4879         * except.c (init_eh): Use targetm.except_unwind_info.
4880         (finish_eh_generation, gate_convert_to_eh_region_ranges): Likewise.
4881         (output_one_function_exception_table): Likewise.
4882         * final.c: Unconditionally include dwarf2out.h.
4883         (final_start_function): Unconditionally call dwarf2out routines.
4884         (final_end_function, final_scan_insn): Likewise.
4885         * function.c (expand_function_end): Use targetm.except_unwind_info.
4886         * opts.c (decode_options): Use targetm.except_unwind_info.
4887         * system.h (USING_SJLJ_EXCEPTIONS, TARGET_UNWIND_INFO): Poison.
4888         * target.def (debug_unwind_info, except_unwind_info): New.
4889         * target.h (enum unwind_info_type): New.
4890         * targhooks.c (default_debug_unwind_info): New.
4891         (default_except_unwind_info): New.
4892         (dwarf2_except_unwind_info, sjlj_except_unwind_info): New.
4893         * targhooks.h: Declare them.
4894         * tree-tailcall.c: Include "target.h"
4895         (suitable_for_tail_call_opt_p): Use targetm.except_unwind_info.
4896         * Makefile.in (tree-tailcall.o): Update.
4897         * tree.c (build_common_builtin_nodes): Use targetm.except_unwind_info.
4898         (lhd_gcc_personality): Likewise.
4899
4900         * doc/tm.texi.in (TARGET_UNWIND_INFO): Remove.
4901         (TARGET_EXCEPT_UNWIND_INFO): New.
4902         (DWARF2_UNWIND_INFO): Update.
4903         (TARGET_DEBUG_UNWIND_INFO): New.
4904         * doc/tm.texi: Rebuild.
4905
4906         * c-family/c-cppbuiltin.c (c_cpp_builtins): Use
4907         targetm.except_unwind_info.
4908
4909         * config/arm/arm.c (TARGET_EXCEPT_UNWIND_INFO): New.
4910         (arm_except_unwind_info): New.
4911         (arm_compute_func_type): Use it.
4912         (arm_expand_prologue, thumb_pushpop): Likewise.
4913         (thumb1_expand_prologue, thumb1_output_function_prologue): Likewise.
4914         (arm_unwind_emit, arm_output_fn_unwind): Likewise.
4915         * config/arm/bpabi.h (ARM_UNWIND_INFO): Rename from TARGET_UNWIND_INFO.
4916         * config/arm/arm.h (ARM_UNWIND_INFO): Likewise.
4917         (DWARF2_UNWIND_INFO): Remove.
4918         (MUST_USE_SJLJ_EXCEPTIONS): Remove.
4919         (ARM_EABI_UNWIND_TABLES): Remove.
4920
4921         * config/ia64/ia64.c (ia64_debug_unwind_info): New.
4922         (TARGET_DEBUG_UNWIND_INFO, TARGET_EXCEPT_UNWIND_INFO): New.
4923         (ia64_except_unwind_info): New.
4924         (ia64_output_function_prologue): Use it.
4925         (ia64_add_bundle_selector_before): Likewise.
4926         (ia64_reorg, ia64_asm_unwind_emit): Likewise.
4927         * config/ia64/ia64.h (DWARF2_FRAME_INFO): Remove.
4928         (TARGET_UNWIND_INFO): Remove.
4929
4930         * config/pa/pa.c (pa_option_override): Use targetm.except_unwind_info.
4931
4932 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
4933
4934         * c-parser.c (c_parser_objc_class_definition): Adjust prototype.
4935         (c_parser_objc_protocol_definition): Likewise.
4936         (c_parser_external_declaration): Provide dummy attribute arguments.
4937         (c_parser_declaration_or_fndef): Parse prefix attributes for ObjC.
4938         (c_parser_objc_class_definition): Handle attributes.
4939         (c_parser_objc_protocol_definition): Likewise.
4940
4941 2010-09-28  Tobias Burnus  <burnus@net-b.de>
4942
4943         PR fortran/40569
4944         PR fortran/40568
4945         * toplev.h (save_decoded_options, save_decoded_options_count):
4946         New global variables.
4947         * toplev.c (save_decoded_options, save_decoded_options_count):
4948         Export variables.
4949
4950 2010-09-28  Ian Lance Taylor  <iant@google.com>
4951
4952         * config/i386/i386.c (ix86_supports_split_stack): Test
4953         HAVE_GAS_CFI_PERSONALITY_DIRECTIVE rather than dwarf2out_do_cfi_asm.
4954
4955 2010-09-28  Ian Lance Taylor  <iant@google.com>
4956
4957         PR target/45815
4958         * opts.c (decode_options): Don't test whether the target supports
4959         split stack if flag_split_stack == 0.
4960
4961 2010-09-28  Jan Hubicka  <jh@suse.cz>
4962
4963         * builtin-attrs.def (ATTR_LEAF): New attribute.
4964         (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF_LIST, ATTR_NOTHROW_LEAF_LIST,
4965         ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_PURE_NOTHROW_LEAF_LIST,
4966         ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST, ATTR_NORETURN_NOTHROW_LEAF_LIST,
4967         ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_SENTINEL_NOTHROW_LEAF_LIST,
4968         ATTR_NOTHROW_NONNULL_LEAF, ATTR_CONST_NOTHROW_NONNULL_LEAF,
4969         ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_PURE_NOTHROW_NONNULL_LEAF,
4970         ATTR_MALLOC_NOTHROW_NONNULL_LEAF): New attribute lists.
4971         * sync-builtins.def: Annotate all builtins by leaf.
4972         * omp-builtins.def: Annotate all builtins by leaf.
4973         * builtins.def: Annotate relevant builtins with leaf attribute.
4974         (ATTR_MATHFN_ERRNO, ATTR_MATHFN_FPROUNDING,
4975         ATTR_MATHFN_FPROUNDING_ERRNO, ATTR_MATHFN_FPROUNDING_STORE): Make
4976         leaf.
4977
4978 2010-09-28  Jan Hubicka  <jh@suse.cz>
4979
4980         * tree-ssa-ccp.c (fold_ctor_reference): New function.
4981         (fold_const_aggregate_ref): Use it.
4982         * fold-const.c (canonicalize_constructor_val): Check that we don't fold
4983         into external static.
4984
4985 2010-09-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4986
4987         PR target/44452
4988         * config/i386/i386.opt (mvect8-ret-in-mem): Define.
4989         * config/i386/i386.c (ix86_target_string): Handle -mvect8-ret-in-mem.
4990         (ix86_solaris_return_in_memory): Remove.
4991         * config/i386/i386-protos.h (ix86_solaris_return_in_memory): Remove.
4992         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
4993         (TARGET_SUBTARGET_DEFAULT): Redefine.
4994         * config/i386/sol2-10.h (TARGET_SUBTARGET_DEFAULT): Update comment.
4995         * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
4996         (TARGET_SUBTARGET_DEFAULT): Redefine.
4997         * doc/invoke.texi (Option Summary, i386 and x86-64 Options): Add
4998         -mvect8-ret-in-mem.
4999         (i386 and x86-64 Options): Document -mvect8-ret-in-mem.
5000
5001 2010-09-29  Alan Modra  <amodra@gmail.com>
5002
5003         PR target/45807
5004         * config/rs6000/aix.h (SETUP_FRAME_ADDRESSES): Delete.
5005         * config/rs6000/linux64.h (SETUP_FRAME_ADDRESSES): Delete.
5006         * config/rs6000/rs6000-protos.h (rs6000_aix_emit_builtin_unwind_init):
5007         Delete.
5008         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Delete.
5009         (rs6000_emit_prologue): Don't just create frame save info for r2,
5010         actually save r2.
5011
5012 2010-09-28  Richard Henderson  <rth@redhat.com>
5013
5014         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Output 8 bytes
5015         when 8 bytes are requested.
5016
5017 2010-09-28  Tristan Gingold  <gingold@adacore.com>
5018
5019         * config/avr/avr.c (expand_prologue): Set
5020         current_function_static_stack_size.
5021
5022 2010-09-28  Tristan Gingold  <gingold@adacore.com>
5023
5024         * config/alpha/alpha.md: Change the initial condition of the
5025         probing loop.
5026
5027 2010-09-28  Uros Bizjak  <ubizjak@gmail.com>
5028
5029         * config/i386/sse.md (*avx_<umaxmin:code><mode>3):
5030         Split from *avx_<maxmin:code><mode>3.
5031         (*avx_<smaxmin:code><mode>3): Ditto.
5032         * config/i386/i386.md (maxmin): Remove code iterator.
5033
5034 2010-09-27  Ian Lance Taylor  <iant@google.com>
5035
5036         * config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack
5037         requires assembler support for CFI directives.
5038
5039 2010-09-27  Richard Henderson  <rth@redhat.com>
5040
5041         * dwarf2out.c (dwarf2out_cfi_label): Use ASM_OUTPUT_DEBUG_LABEL.
5042
5043 2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
5044
5045         * emit-rtl.c (reorder_insns_nobb) [ENABLE_CHECKING]: Sanity-check
5046         that AFTER is not in the range FROM..TO, inclusive.
5047
5048 2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
5049             Bernd Schmidt  <bernds@codesourcery.com>
5050
5051         PR rtl-optimization/45792
5052         * cfgcleanup.c (try_head_merge_bb): New rtx vector nextptr.
5053         If not all insns are to be merged, for each edge, stash the
5054         next candidate after the to-be-merged insns before doing the
5055         merge, and use them for the retry at the new insertion point.
5056         Handle CC0 targets when retrying.
5057
5058 2010-09-27  Ian Lance Taylor  <iant@google.com>
5059
5060         * common.opt (fsplit-stack): New option.
5061         * opts.c (decode_options): Set flag_split_stack to final value.
5062         * target.def (supports_split_stack): New hook.
5063         * gcc.c (STACK_SPLIT_SPEC): Define.
5064         (LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC.
5065         * doc/invoke.texi (Option Summary): Mention -fsplit-stack.
5066         (Code Gen Options): Document -fsplit-stack.
5067         * doc/extend.texi (Function Attributes): Mention no_split_stack.
5068         (Function Attributes): Document no_split_stack.
5069         * doc/tm.texi.in (Stack Smashing Protection): Add @hook
5070         TARGET_SUPPORTS_SPLIT_STACK.
5071         * doc/tm.texi: Rebuild.
5072         * function.c (thread_prologue_and_epilogue_insns): If
5073         flag_split_stack, add split stack prologue.
5074         * explow.c (allocate_dynamic_stack_space): Support -fsplit-stack.
5075         * varasm.c (saw_no_split_stack): New static variable.
5076         (assemble_start_function): Set saw_no_split_stack if the function
5077         has the no_split_stack attribute.
5078         (file_end_indicate_split_stack): New function.
5079         * output.h (file_end_indicate_split_stack): Declare.
5080         * libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables
5081         and function.
5082         * doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack
5083         routines.
5084         * config/i386/i386.c (ix86_option_override_internal): Don't set
5085         expand_builtin_va_start to NULL if -fsplit-stack.
5086         (ix86_function_regparm): Reduce local regparm by 1 for 32-bit
5087         -fsplit-stack.
5088         (ix86_va_start): If -fsplit-stack, get overflow pointer from
5089         scratch register set by prologue.
5090         (ix86_code_end): If -fsplit-stack, call
5091         file_end_indicate_split_stack.
5092         (ix86_supports_split_stack): New static function.
5093         (SPLIT_STACK_AVAILABLE): Define.
5094         (split_stack_prologue_scratch_regno): New static function.
5095         (split_stack_fn): New static variable.
5096         (ix86_expand_split_stack_prologue): New function.
5097         (ix86_live_on_entry): New static function.
5098         (ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK.
5099         (output_pic_addr_const): Likewise.
5100         (i386_asm_output_addr_const_extra): Likewise.
5101         (ix86_expand_call): Change return type to rtx.  Return the new
5102         call instruction.
5103         (TARGET_SUPPORTS_SPLIT_STACK): Define.
5104         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
5105         * config/i386/i386.md (UNSPEC_STACK_CHECK): Define.
5106         (split_stack_prologue, split_stack_return): New insns.
5107         (split_stack_space_check): New insn.
5108         * config/i386/i386.h (struct machine_function): Add
5109         split_stack_varargs_pointer field.
5110         * config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define.
5111         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
5112         * config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define.
5113         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
5114         * config/i386/i386-protos.h (ix86_expand_split_stack_prologue):
5115         Declare.
5116         (ix86_expand_call): Update declaration.
5117
5118 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
5119
5120         * doc/objc.texi (Type encoding): Added the new 'long double' (D)
5121         code.  Added byref, which was missing in the list of codes.
5122         Explain that enumeration values are encoded as the integer type
5123         that the compiler uses to store them.  Explain and make examples
5124         of how 'const' interacts with pointers, and the complication of
5125         the encoding of 'const char *'.
5126         (Legacy type encoding): New subsection, explaining that GCC emits
5127         incorrect type encodings for the NeXT runtime for compatibility
5128         reasons.
5129         (@@encode): New subsection, explaining @encode and particularly
5130         that protocol qualifiers are not recognized inside an @encode()
5131         expression.
5132         (Method signatures): New subsection, explaining how method
5133         signatures are encoded.
5134
5135 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
5136
5137         Merge from 'apple/trunk' branch on FSF servers.  Removed small
5138         change in build_conditional_expr that had been added when fixing
5139         PR objc/27377 and which did the same check in a less complete way.
5140
5141         2005-12-15  Fariborz Jahanian <fjahanian@apple.com>
5142
5143         Radar 4229905
5144         * c-typeck.c (build_conditional_expr): Call objc_have_common_type when
5145         looking for objective-c common pointer types.
5146
5147         2005-06-22  Ziemowit Laski  <zlaski@apple.com>
5148
5149         Radar 4154928
5150         * c-typeck.c (build_conditional_expr): For two ObjC pointer types,
5151         use their ObjC common type.
5152
5153 2010-09-27  Richard Guenther  <rguenther@suse.de>
5154
5155         * dbxout.c (dbxout_symbol): Use DECL_FILE_SCOPE_P.
5156
5157 2010-09-27  Jie Zhang  <jie@codesourcery.com>
5158
5159         * print-tree.c (print_node): Print in-constant-pool.
5160
5161 2010-09-27  Uros Bizjak  <ubizjak@gmail.com>
5162
5163         * config/i386/i386.h (CLASS_MAX_NREGS): Also handle XCmode.
5164         (UNITS_PER_WORD): Define only when IN_LIBGCC2 is undefined.
5165         (MOVE_MAX_PIECES): Redefine using UNITS_PER_WORD.
5166         (ASM_OUTPUT_AVX_PREFIX): Simplify pointer addition.
5167
5168 2010-09-26  Uros Bizjak  <ubizjak@gmail.com>
5169
5170         * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_add): Merge
5171         from pro_epilogue_adjust_stack_<mode>_{1,2}.
5172         (pro_epilogue_adjust_stack_<mode>_add): Rename from
5173         pro_epilogue_adjust_stack_<mode>_3.
5174         * config/i386/i386.c (pro_epilogue_adjust_stack): Update for
5175         renamed pro_epilogue_adjust_stack_{si,di}_add.
5176         (ix86_expand_prologue): Use indirect functions.  Update for renamed
5177         pro_epilogue_adjust_stack_{si,di}_sub.
5178
5179 2010-09-26  Uros Bizjak  <ubizjak@gmail.com>
5180
5181         * config/i386/i386.md (movmsk_df): New insn.
5182         (signbitdf): Split out of signbit<mode>2.  Generate movmsk_df
5183         sequence for TARGET_SSE_MATH.
5184
5185 2010-09-26  Richard Sandiford  <rdsandiford@googlemail.com>
5186
5187         * config/mips/mips.c (mips_builtin_decls): Declare.
5188         (mips_init_builtins): Store function declarations in
5189         mips_builtin_decls.
5190         (mips_builtin_decl): New function.
5191         (TARGET_BUILTIN_DECL): Define.
5192
5193 2010-09-25  Kai Tietz  <kai.tietz@onevision.com>
5194             Richard Henderson  <rth@redhat.com>
5195
5196         * config/i386/cygwin.asm: Include auto-host.h.
5197         (cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
5198         cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): New macros.
5199         (__chkstk, __alloca): Annotate for dwarf2 unwind info.  Drop
5200         alignment code from the 64-bit path.  Use gas local labels.
5201         * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_2): Macroize
5202         from _di_2.  Remove the useless constant integer argument.
5203         (pro_epilogue_adjust_stack_<mode>_3): New.
5204         (allocate_stack_worker_probe_<mode>): Macroize from
5205         allocate_stack_worker_{32,64}.  Use __chkstk_ms.  Update all users.
5206         * config/i386/i386.c (ix86_expand_prologue): Use __chkstk_ms;
5207         use gen_pro_epilogue_adjust_stack_*_3 and annotate it.
5208         (__chkstk_ms): New function.
5209         * config/i386/t-cygming (LIB1ASMFUNCS): Add _chkstk_ms.
5210         * gcc/config/i386/t-interix: Likewise.
5211         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Export for target.
5212         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
5213         (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): Likewise.
5214         * configure, config.in: Rebuild.
5215
5216 2010-09-25  Eric Botcazou  <ebotcazou@adacore.com>
5217
5218         * tree-inline.c (copy_bb): Use GSI_CONTINUE_LINKING when inserting new
5219         statements because of the return slot optimization.
5220
5221 2010-09-25  Anatoly Sokolov  <aesok@post.ru>
5222
5223         * config/avr/avr.h (CLASS_LIKELY_SPILLED_P): Remove.
5224         * config/avr/avr-protos.h (class_likely_spilled_p): Remove.
5225         * config/avr/avr.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
5226         (class_likely_spilled_p): Rename to...
5227         (avr_class_likely_spilled_p): ...this. Make static. Change argument
5228         type to reg_class_t.
5229
5230 2010-09-24  Jan Hubicka  <jh@suse.cz>
5231
5232         * lto-symtab.c (lto_symtab_entry_def): Add guessed field.
5233         (lto_symtab_resolve_symbols): Set it.
5234         (lto_symtab_merge_decls_1): Do not compute used_from_object_file;
5235         store resolution field in cgraph/varpool.
5236         * cgraph.c (cgraph_same_body_alias, cgraph_add_thunk): Return node.
5237         (cgraph_get_node_or_alias, cgraph_get_node_or_alias): Constify.
5238         (cgraph_dump_node): Drop used_from_object_file.
5239         (cgraph_clone_node, cgraph_create_virtual_clone): Likewise.
5240         (cgraph_function_body_availability): Use decl_replaceable_p.
5241         (cgraph_make_node_local): Set resolution to LDPR_PREVAILING_DEF_IRONLY.
5242         (cgraph_can_remove_if_no_direct_calls_and_refs): Use
5243         cgraph_used_from_object_file_p.
5244         (cgraph_will_be_removed_from_program_if_no_direct_calls): Use
5245         cgraph_used_from_object_file_p.
5246         (resolution_used_from_other_file_p): New functoin.
5247         (cgraph_used_from_object_file_p): New predicate.
5248         * cgraph.h: Include plugin-api.h
5249         (struct cgraph_local_info): Remove used_from_object_file.
5250         (struct cgraph_node): Add resolution field.
5251         (struct varpool_node): Likewise; remove used_from_object_file;
5252         reove const_value_known.
5253         (cgraph_get_node, cgraph_get_node_or_alias, cgraph_node,
5254         cgraph_same_body_alias, cgraph_add_thunk): Update prototypes.
5255         (resolution_used_from_other_file_p, cgraph_used_from_object_file_p,
5256         varpool_used_from_object_file_p): Declare.
5257         (varpool_get_node, varpool_extra_name_alias): Update prototype.
5258         * tree.h (DECL_REPLACEABLE_P): Remove.
5259         (decl_replaceable_p, decl_binds_to_current_def_p): Declare.
5260         * final.c (rest_of_clean_state): Use decl_binds_to_current_def_p.
5261         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
5262         input_overwrite_node, input_node, input_varpool_node): Stream
5263         resolution.
5264         * expr.c (expand_expr_real_1): Use const_value_known_p
5265         * ipa.c (ipa_discover_readonly_nonaddressable_var): Do not set
5266         const_value_known.
5267         (cgraph_externally_visible_p): Use cgraph_used_from_object_file_p.
5268         (function_and_variable_visibility): Set resolution for local vars
5269         and functions; use varpool_used_from_object_file_p.
5270         * varasm.c (resolution_to_local_definition_p, resolution_local_p): New
5271         static functions.
5272         (default_binds_local_p_1): Use resolutoin info.
5273         (decl_binds_to_current_def_p, decl_replaceable_p): New functions.
5274         * varpool.c (varpool_get_node): Constify.
5275         (const_value_known_p): Do not use vnode->const_value_known;
5276         use decl_replaceable_p.
5277         (varpool_finalize_decl): Do not set const_value_known.
5278         (cgraph_variable_initializer_availability): Use decl_replaceable_p
5279         (varpool_extra_name_alias): Return new node.
5280         (varpool_used_from_object_file_p): New function.
5281
5282 2010-09-24  Richard Henderson  <rth@redhat.com>
5283
5284         * config/ia64/ia64.c (ia64_dwarf_handle_frame_unspec): New.
5285         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): New.
5286         (do_spill): Use REG_CFA_OFFSET.
5287         (ia64_expand_prologue): Use REG_CFA_ADJUST_CFA and REG_CFA_REGISTER
5288         as appropriate.
5289         (ia64_expand_epilogue): Likewise.
5290         (process_set): Split into ...
5291         (process_cfa_adjust_cfa): this,
5292         (process_cfa_register): this,
5293         (process_cfa_offset): and this new function.
5294         (ia64_asm_unwind_emit): Use them.  Expect REG_CFA_* notes
5295         instead of REG_FRAME_RELATED_EXPR.
5296
5297 2010-09-24  Olivier Hainque  <hainque@adacore.com>
5298
5299         * config/i386/vx-common.h (DBX_REGISTER_NUMBER): Reinstate.
5300
5301 2010-09-24  Jan Hubicka  <jh@suse.cz>
5302
5303         * doc/extend.texi: (attribute leaf): Document.
5304         * tree.c (local_define_builtin): Handle ECF_LEAF.
5305         (build_common_builtin_nodes): Set ECF_LEAF where needed.
5306         * tree.h (ECF_LEAF): New.
5307         * ipa-reference.c (propagate_bits): For leaf calls propagate ever
5308         overwrittable and unavailable functions.
5309         (ipa_init): Put all_module_statics into optimization_summary_obstack.
5310         (copy_global_bitmap): Do not copy all_module_statics.
5311         (read_write_all_from_decl): Use cgraph_node argument; handle ECF_LEAF.
5312         (propagate): Handle overwritable and unavailable leaf functions;
5313         initialize global info for overwritable and unavailable leaf functions;
5314         do not free all module statics.
5315         (ipa_reference_get_not_{read,written}_global): Leaf calls don't clobber
5316         local statics.
5317         * calls.c (flags_from_decl_or_type): Handle leaf.
5318         * tree-cfg.c (stmt_can_make_abnormal_goto): Leaf functions can't do
5319         abnormal gotos.
5320
5321 2010-09-24  Basile Starynkevitch  <basile@starynkevitch.net>
5322
5323         * gengtype.c: Reindented.
5324         * gengtype.h: Reindented.
5325         * gengtype-parse.c: Reindented.
5326
5327 2010-09-24  Jan Hubicka  <jh@suse.cz>
5328
5329         PR tree-optimization/45738
5330         PR tree-optimization/45741
5331         * expr.c (string_constant): Allow CONST_DECL too;
5332         check that DECL_INITIAL is set.
5333         * varpool.c (const_value_known_p): Only look into VAR_DECL
5334         and CONST_DECL.
5335
5336 2010-09-24  Joseph Myers  <joseph@codesourcery.com>
5337
5338         * common.opt (undef): New.
5339
5340 2010-09-24  Jakub Jelinek  <jakub@redhat.com>
5341
5342         PR middle-end/45234
5343         * rtl.h (enum global_rtl_index): Add
5344         GR_VIRTUAL_PREFERRED_STACK_BOUNDARY.
5345         (LAST_VIRTUAL_POINTER_REGISTER): Define.
5346         (virtual_preferred_stack_boundary_rtx,
5347         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define.
5348         (LAST_VIRTUAL_REGISTER): Increase by one.
5349         (REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER
5350         instead of LAST_VIRTUAL_REGISTER.
5351         * function.c (instantiate_new_reg): Handle
5352         virtual_preferred_stack_boundary_rtx.
5353         * emit-rtl.c (init_virtual_regs): Handle
5354         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
5355         (init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx.
5356         * explow.c (round_push): If crtl->preferred_stack_boundary
5357         is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use
5358         virtual_preferred_stack_boundary_rtx alignment instead of
5359         crtl->preferred_stack_boundary alignment.
5360         (allocate_dynamic_stack_space): Use CONST_INT_P and REG_P
5361         macros.  Never decrease crtl->preferred_stack_boundary,
5362         use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT
5363         instead of PREFERRED_STACK_BOUNDARY.  Don't modify
5364         stack_pointer_delta in dynamic allocation, even when size
5365         is constant.
5366         (probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P
5367         macro.
5368         * print-rtl.c (print_rtx): Handle
5369         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
5370         * config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use
5371         LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER.
5372         * config/frv/frv.c (frv_emit_movsi): Likewise.
5373         * config/arm/arm.c (thumb1_legitimate_address_p): Likewise.
5374         * config/rs6000/rs6000.c (virtual_stack_registers_memory_p):
5375         Likewise.
5376
5377         Revert:
5378         2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
5379
5380         PR middle-end/45234
5381         * calls.c (expand_call): Make sure that all variable sized
5382         adjustments are multiple of preferred stack boundary after
5383         stack alignment.
5384
5385 2010-09-24  Iain Sandoe  <iains@gcc.gnu.org>
5386             Dominique Dhumieres  <dominiq@lps.ens.fr>
5387
5388         PR bootstrap/45751
5389         * gcc/config/darwin-driver.c (darwin_default_min_version):
5390         Adjust size passed to memcpy in two places.
5391
5392 2010-09-24  Richard Guenther  <rguenther@suse.de>
5393
5394         * c-decl.c (pop_scope): Always set file-scope DECL_CONTEXT.
5395         Make sure to not call set_type_context with error_mark_node.
5396         * langhooks.c (lhd_set_decl_assembler_name): Use DECL_FILE_SCOPE_P.
5397
5398 2010-09-24  Richard Guenther  <rguenther@suse.de>
5399
5400         * Makefile.in (OBJS-onestep): Remove.
5401         (ALL_HOST_BACKEND_OBJS): Remove libbackend.o.
5402         (libbackend.a): Remove onestep support.
5403         (libbackend.o): Remove.
5404         * configure.ac (--enable-intermodule): Remove.
5405         * configure: Regenerate.
5406
5407 2010-09-24  Bernd Schmidt  <bernds@codesourcery.com>
5408
5409         * cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
5410         reaching the end of a block if it occurs at a DEBUG_INSN.
5411
5412 2010-09-09  Tristan Gingold  <gingold@adacore.com>
5413
5414         PR target/44242
5415         * config/vms/vms-crt0-64.c: Removed.
5416         * config/vms/vms-crt0.c: Removed.
5417         * config/vms/vms-psxcrt0-64.c: Removed.
5418         * config/vms/vms-psxcrt0.c: Removed.
5419         * config/vms/vms-ucrt0.c: New file.
5420         * config/vms/t-vms64: Removed.
5421         * config/vms/t-vms (VMS_EXTRA_PARTS): Uncomment it.  Remove DECC.
5422         Use $(GCC_FOR_TARGET) to build pcrt0.o and vcrt0.o
5423         * config.gcc (alpha-dec-vms): Use t-vms.
5424
5425 2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>
5426
5427         * doc/invoke.texi (-fno-nil-receivers): Tidied up line to remove
5428         underfull hbox in DVI output.
5429         (-fobjc-class-cxx-cdtors): Same change.
5430         (-fobjc-exceptions): Tidied up documentation.  Explain what the
5431         option does, but moved the (lenghty) description of the exception
5432         syntax into objc.texi.
5433         (-fobjc-gc): Explain that the option is not useful with the GNU
5434         runtime.
5435         (-fzero-link): Explain that the GNU runtime always works in
5436         "zero-link" mode.
5437         * doc/objc.texi: All sections: simplified @node declarations
5438         removing specification of next, previous, up node.
5439         (Objective-C): Updated introduction.
5440         (Garbage Collection): Updated.  The bohem-gc library is now
5441         included in gcc itself.  Mention that this section only applies to
5442         the GNU Objective-C runtime.
5443         (compatibility_alias): Small tidy up.
5444         (Exceptions): New section mostly containing text previously in the
5445         description of the -fobjc-exception command-line option.
5446         (Synchronization): Same.
5447
5448 2010-09-24  Uros Bizjak  <ubizjak@gmail.com>
5449
5450         * config/i386/i386.md (ix86_code_end): Move the initialization of
5451         xops array near the consumer.  Use AX_REG and SP_REG instead of
5452         numerical constants.
5453
5454 2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>
5455
5456         * c-typeck.c (convert_arguments): Use warning 'too many arguments to
5457         method [methodname]' for an Objective-C method instead of the less
5458         satisfactory 'too many arguments to function' (with no method name).
5459
5460 2010-09-23  Eric Botcazou  <ebotcazou@adacore.com>
5461
5462         * tree-flow.h (execute_update_addresses_taken): Remove parameter.
5463         * tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages.
5464         (execute_update_addresses_taken): Remove parameter.  Execute the
5465         optimization unconditionally.
5466         * passes.c (execute_function_todo): Call execute_update_addresses_taken
5467         unconditionally if TODO_rebuild_alias is set, else only when optimizing
5468         if TODO_update_address_taken is set.
5469
5470 2010-09-23  Anatoly Sokolov  <aesok@post.ru>
5471
5472         * config/arm/arm.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
5473         * config/arm/arm-protos.h (arm_output_addr_const_extra): Remove.
5474         * config/arm/arm.c (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
5475         (arm_output_addr_const_extra): Make static.
5476
5477 2010-09-23  Uros Bizjak  <ubizjak@gmail.com>
5478
5479         * config/i386/i386.md (UNSPECV_NOPS): Rename from UNSPEC_NOPS and
5480         define as unspec_volatile.
5481         ("nops"): Define as unspec_volatile. Use fputs to write to
5482         asm_out_file directly.  Output NOPs on separate lines using while loop.
5483         * config/i386/i386.c (ix86_code_end): Use fputs to write to
5484         asm_out_file directly.  Output NOPs on separate lines using while loop.
5485
5486 2010-09-23  Richard Guenther  <rguenther@suse.de>
5487
5488         PR tree-optimization/45565
5489         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
5490         Make sure to adjust the fndecl before replacing the stmt.
5491
5492 2010-09-23  Richard Guenther  <rguenther@suse.de>
5493
5494         PR middle-end/45750
5495         * gimplify.c (gimplify_expr): Properly pass on GS_ERROR when
5496         gimplifying MEM_REF.
5497
5498 2010-09-23  Alan Modra  <amodra@gmail.com>
5499
5500         * config/rs6000/rs6000.c (toc_relative_ok): Delete.
5501         (rs6000_emit_move): Use SYMBOL_REF_LOCAL_P instead.
5502
5503 2010-09-23  Bernd Schmidt  <bernds@codesourcery.com>
5504
5505         PR rtl-optimization/44374
5506         * basic-block.h (enum bb_flags): Add BB_MODIFIED.
5507         * df-core.c (df_set_bb_dirty): Set it.
5508         * ifcvt.c (find_memory): Remove function.
5509         (dead_or_predicable): Use can_move_insns_across.
5510         * df.h (can_move_insns_across): Declare function.
5511         * cfgcleanup.c (block_was_dirty): New static variable.
5512         (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
5513         than df_get_bb_dirty.
5514         (try_head_merge_bb): New static function.
5515         (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
5516         is set.
5517         * df-problems.c: Include "target.h"
5518         (df_simulate_find_uses): New static function.
5519         (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
5520         (find_memory, find_memory_store): New static functions.
5521         (can_move_insns_across): New function.
5522         * Makefile.in (df-problems.o): Update dependencies.
5523
5524 2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>
5525
5526         PR java/44095
5527         * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
5528         is specified and the suffix of the file isn't ".c".
5529         * config/sparc/linux64.h (ASM_SPEC): Likewise.
5530
5531 2010-09-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5532
5533         * doc/contrib.texi (Contributors): Allow URL to wrap in PDF output.
5534         * doc/cppopts.texi: Fix markup of index entry.
5535         * doc/extend.texi (Constructing Calls): Fix markup of
5536         __builtin_va_arg_pack and __builtin_va_arg_pack_len definition.
5537         (Conditionals, C++ Comments, Pragmas, Unnamed Fields, Thread-Local)
5538         (Vague Linkage, C++ Attributes): Fix markup of index entries and
5539         keywords.
5540         * doc/invoke.texi (Option Summary): Fix spacing.  Rewrap to
5541         avoid long lines.
5542         (C Dialect Options, C++ Dialect Options, Warning Options)
5543         (Debugging Options, Spec Files, Darwin Options)
5544         (i386 and x86-64 Options, MIPS Options)
5545         (RS/6000 and PowerPC Options, Code Gen Options): Fix markup of
5546         index entries, avoid abbreviations, allow URLs to wrap, avoid
5547         long lines, avoid overlong pages from long @itemx lists.
5548         * doc/objc.texi (Garbage Collection): Allow URLs to wrap.
5549         * doc/standards.texi (Standards): Likewise.
5550         * doc/trouble.texi (Incompatibilities): Fix markup of index entry.
5551
5552 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
5553
5554         * opts-common.c (prune_options): Make static.  Work with decoded
5555         options.
5556         (decode_cmdline_options_to_array): Call prune_options.  Don't
5557         resize option array here.
5558         * opts.h (prune_options): Remove prototype.
5559         * gcc.c (process_command): Take decoded options; don't call
5560         decode_cmdline_options_to_array here.  Use decoded options for argv[0].
5561         (main): Call decode_cmdline_options_to_array here instead of
5562         prune_options.  Update call to process_command.
5563         * config/darwin-driver.c: Include opts.h.
5564         (darwin_default_min_version): Work with decoded options.  Don't
5565         handle -b or -V here.
5566         * config/darwin.h (darwin_default_min_version): Update prototype.
5567         (GCC_DRIVER_HOST_INITIALIZATION): Update call to
5568         darwin_default_min_version.
5569         * config/i386/cygwin.h (mingw_scan): Update prototype.
5570         (GCC_DRIVER_HOST_INITIALIZATION): Update call to mingw_scan.
5571         * config/i386/cygwin1.c: Include opts.h.
5572         (mingw_scan): Work with decoded options.
5573         * config/i386/t-cygwin (cygwin1.o): Update dependencies.
5574         * config/t-darwin (darwin-driver.o): Update dependencies.
5575
5576 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
5577
5578         * common.opt (-assemble, -compile, -coverage, -debug, -dump,
5579         -dump=, -dumpbase, -dumpdir, -entry, -entry=, -extra-warnings,
5580         -for-assembler, -for-assembler=, -for-linker, -for-linker=,
5581         -force-link, -force-link=, -language, -language=,
5582         -library-directory, -library-directory=, -no-canonical-prefixes,
5583         -no-standard-libraries, -no-warnings, -optimize, -output,
5584         -output=, -pass-exit-codes, -pedantic, -pedantic-errors, -pie,
5585         -pipe, -prefix, -prefix=, -preprocess, -print-file-name,
5586         -print-file-name=, -print-libgcc-file-name,
5587         -print-multi-directory, -print-multi-lib,
5588         -print-multi-os-directory, -print-prog-name, -print-prog-name=,
5589         -print-search-dirs, -print-sysroot, -print-sysroot-headers-suffix,
5590         -profile, -save-temps, -shared, -specs, -specs=, -static,
5591         -symbolic, -time, -verbose, -param=, -sysroot, coverage, e, u,
5592         symbolic): New.
5593         (fhelp, fhelp=, ftarget-help, fversion): Make into aliases.
5594         * gcc.c (A Short Introduction to Adding a Command-Line Option):
5595         Remove comment.
5596         (cc1_options): Correct specs for passing down --help,
5597         --target-help and --help=*.  Add spec for passing down --version.
5598         (struct option_map, option_map, target_option_translations,
5599         translate_options): Remove.
5600         (driver_handle_option): Handle OPT__version, OPT__help, OPT__help_
5601         and OPT__target_help instead of OPT_fversion, OPT_fhelp,
5602         OPT_fhelp_ and OPT_ftarget_help.
5603         (process_command): Don't call translate_options.  Call
5604         decode_cmdline_options_to_array before checking for
5605         -no-canonical-prefixes using decoded options.
5606         * opts-common.c (tm.h): Update comment on #include.
5607         (find_opt): Allow abbreviations of long options.
5608         (struct option_map, option_map): New.
5609         (decode_cmdline_option): Use them instead of hardcoding -Wno, -fno
5610         and -mno handling.
5611         (target_option_translations): New.
5612         (decode_cmdline_options_to_array): Handle
5613         TARGET_OPTION_TRANSLATE_TABLE in driver.
5614         * opts.c (common_handle_option): Don't handle OPT_fhelp,
5615         OPT_ftarget_help, OPT_fhelp_ or OPT_fversion.
5616
5617 2010-09-22  Richard Guenther  <rguenther@suse.de>
5618
5619         * tree-inline.c (optimize_inline_calls): Schedule cleanups
5620         only if we inlined something.  Block compaction and conditional
5621         folding are done by cfg cleanup.  Schedule update-address-taken.
5622         (tree_function_versioning): Remove redundant call to number_blocks.
5623         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Conditional
5624         folding is done by cfg cleanup.
5625         * passes.c (init_optimization_passes): Remove update-address-taken
5626         pass after IPA inlining.
5627
5628 2010-09-22  Chung-Lin Tang  <cltang@codesourcery.com>
5629
5630         * postreload.c (move2add_note_store): Add reg_symbol_ref[] checks
5631         to update conditions. Fix reg_mode[] check.
5632
5633 2010-09-22  Hariharan Sandanagobalane  <hariharan@picochip.com>
5634
5635         * config/picochip/picochip.md (movhicc): Use expand to check whether
5636         movhicc is available and split it after reload.
5637
5638 2010-09-22  Richard Guenther  <rguenther@suse.de>
5639
5640         * tree-ssanames.c (release_dead_ssa_names): Do not remove
5641         callee edges here.
5642         * passes.c (init_optimization_passes): Remove early CFG cleanup.
5643         * tree-optimize.c (execute_cleanup_cfg_pre_ipa): Remove.
5644         (pass_cleanup_cfg): Likewise.
5645         (execute_fixup_cfg): Cleanup.
5646         * tree-pass.h (pass_cleanup_cfg): Remove.
5647
5648 2010-09-22  Martin Jambor  <mjambor@suse.cz>
5649
5650         * gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold
5651         builtins if it is true.
5652         (fold_stmt_1): Call, fold_gimple_call always, pass inplace as a
5653         parameter.
5654
5655 2010-09-22  Martin Jambor  <mjambor@suse.cz>
5656
5657         * tree-sra.c (struct access): New field grp_no_warning.
5658         (create_access_replacement): Set TREE_NO_WARNING according to
5659          grp_no_warning.
5660         (create_artificial_child_access): Use build_ref_for_model and set
5661         grp_no_warning if build_user_friendly_ref_for_offset fails.
5662         (propagate_subaccesses_across_link): Likewise.
5663
5664 2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>
5665
5666         PR target/35664
5667         * config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
5668         ('f'): Likewise.
5669
5670 2010-09-22  Tristan Gingold  <gingold@adacore.com>
5671
5672         * config/alpha/alpha.c (alpha_use_linkage): Initialize target field.
5673
5674 2010-09-22  Uros Bizjak  <ubizjak@gmail.com>
5675
5676         * config/i386/i386.h (MAX_STRINGOP_ALGS): Fix typo in the name.
5677         * config/i386/i386.c (decide_alg): Update for rename.
5678
5679 2010-09-22  Jakub Jelinek  <jakub@redhat.com>
5680
5681         PR rtl-optimization/45739
5682         * simplify-rtx.c (simplify_binary_operation_1): Optimize even
5683         vector mode | CONST0_RTX (mode) and ^ CONST0_RTX (mode).
5684
5685 2010-09-21  Anatoly Sokolov  <aesok@post.ru>
5686
5687         * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): Remove macros.
5688         * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
5689         Remove.
5690         * config/rs6000/rs6000.c (rs6000_output_addr_const_extra): Make static.
5691         (TTARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
5692
5693 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
5694
5695         PR objc/23710
5696         * c-parser.c (c_parser_objc_method_definition): Check the return
5697         value of objc_start_method_definition and if false is returned,
5698         parse the method definition but emit no code.
5699
5700 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
5701
5702         PR objc/25965
5703         * c-decl.c (detect_field_duplicates): If compiling Objective-C,
5704         call objc_get_interface_ivars ().
5705
5706 2010-09-21  Kai Tietz  <kai.tietz@onevision.com>
5707
5708         PR target/45694
5709         * config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
5710         static chain-register is used for 64-bit.
5711
5712 2010-09-21  Richard Guenther  <rguenther@suse.de>
5713
5714         * dwarf2out.c (is_cu_die): New function.
5715         (add_pubtype): Use it.
5716         (gen_subprogram_die): Likewise.
5717         (gen_struct_or_union_type_die): Likewise.
5718         (dwarf2out_finish): Likewise.
5719         (comp_unit_die): Rename to ...
5720         (single_comp_unit_die): ... this.
5721         (comp_unit_die): New function lazily constructing and
5722         returning single_comp_unit_die.
5723         (is_cxx, is_fortran, is_ada, debug_dwarf, break_out_comdat_types,
5724         base_type_die, subrange_type_die, modified_type_die,
5725         lower_bound_default, add_bound_info, add_prototyped_attribute,
5726         dwarf2out_vms_debug_main_pointer, scope_die_for, retry_incomplete_types,
5727         dwarf2out_abstract_function, gen_type_die_with_usage, get_context_die,
5728         force_decl_die, gen_namespace_die, dwarf2out_decl,
5729         dwarf2out_start_source_file, dwarf2out_end_source_file,
5730         prune_unused_types, dwarf2out_finish): Use it.
5731         (gen_compile_unit_die): For GNU GIMPLE derive DW_AT_language from
5732         the global list of translation-unit decls.
5733         (dwarf2out_init): Do not create single_comp_unit_die here.
5734         (force_decl_die): Handle TRANSLATION_UNIT_DECL.
5735
5736 2010-09-21  Richard Guenther  <rguenther@suse.de>
5737
5738         * dwarf2out.c (dwarf2out_decl): Do not always generate a DIE
5739         for bool for C++.
5740
5741 2010-09-21  Bernd Schmidt  <bernds@codesourcery.com>
5742
5743         * config/arm/iterators.md (qhs_extenddi_op): New mode_attr.
5744         (qhs_extenddi_cstr): Likewise.
5745         * config/arm/arm.md (zero_extend<mode>di2, extend<mode>di2): Use
5746         them for the source operand.
5747
5748 2010-09-21  Uros Bizjak  <ubizjak@gmail.com>
5749
5750         * config/i386/i386.c (ix86_split_ashl): Rename single_width variable
5751         to half_width.  Use GET_MODE_BITSIZE to calculate mode size.
5752         (ix86_split_ashr): Ditto.
5753         (ix86_split_lshr): Ditto.
5754
5755 2010-09-21  Richard Guenther  <rguenther@suse.de>
5756
5757         PR tree-optimization/45580
5758         * tree-ssa-propagate.c (substitute_and_fold): Always replace
5759         regular uses.
5760         * gimple-fold.c (gimple_fold_obj_type_ref): For a BINFO without
5761         virtuals fold the call into a regular indirect one.
5762
5763 2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>
5764
5765         PR rtl-optimization/42775
5766         * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
5767         scheduling is enabled.
5768
5769 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
5770
5771         PR rtl-optimization/45728
5772         * expr.c (expand_expr_real_1): If op0 isn't REG or MEM, try
5773         gen_lowpart_common first and if that fails, force_reg first
5774         before calling gen_lowpart.
5775
5776         PR middle-end/45678
5777         * cfgexpand.c (expand_one_stack_var_at): Use
5778         crtl->max_used_stack_slot_alignment as max_align, instead
5779         of maximum of that and PREFERRED_STACK_BOUNDARY.
5780         Don't call update_stack_alignment.
5781
5782 2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>
5783
5784         * langhooks.h (struct lang_hooks_for_types): Remove hash_types field.
5785         * langhooks-def.h (LANG_HOOKS_HASH_TYPES): Delete.
5786         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_HASH_TYPES.
5787         * system.h (LANG_HOOKS_HASH_TYPES): Poison.
5788         * tree.c (type_hash_canon): Do not test lang_hooks.types.hash_types.
5789         (build_nonstandard_integer_type): Likewise.
5790         (build_range_type_1): New function, built from...
5791         (build_range_type): ...this.  Call build_range_type_1.
5792         (build_nonshared_range_type): New function.
5793         (build_array_type_1): New function, built from...
5794         (build_array_type: ...this.  Call build_array_type_1.
5795         (build_nonshared_array_type): New function.
5796         * tree.h (build_nonshared_range_type): Declare.
5797         (build_nonshared_array_type): Likewise.
5798
5799 2010-09-20  Anatoly Sokolov  <aesok@post.ru>
5800
5801         * config/arm/arm.h (CLASS_LIKELY_SPILLED_P): Remove.
5802         * config/arm/arm.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
5803         (arm_class_likely_spilled_p): New function.
5804
5805 2010-09-20  Uros Bizjak  <ubizjak@gmail.com>
5806
5807         * config/i386/i386.c (ix86_expand_ashl_const): Rewrite using
5808         indirect functions.
5809         (ix86_split_ashl): Ditto.
5810         (ix86_split_ashr): Ditto.
5811         (ix86_split_lshr): Ditto.
5812         (ix86_adjust_counter): Ditto.
5813
5814 2010-09-20  Nicola Pero  <nicola.pero@meta-innovation.com>
5815
5816         * c-family/c-common.h (constant_string_class): Documented with
5817         comment identical to the one already in c-common.c.
5818
5819 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
5820
5821         * dwarf2out.c (any_cfis_emitted): New static variable.
5822         (add_fde_cfi): Set it.
5823         (dwarf2out_frame_debug): Clear it before processing,
5824         if it is set afterwards, flush any queued reg saves.
5825
5826         PR debug/45124
5827         * dwarf2out.c (add_accessibility_attribute): Assume
5828         DW_ACCESS_private as the default for dwarf_version > 2
5829         and DW_TAG_class_type parent.
5830         (gen_inheritance_die): Assume DW_ACCESS_public as the default
5831         for dwarf_version > 2 and parent other than DW_TAG_class_type.
5832
5833 2010-09-20  Rafael Carre  <rafael.carre@gmail.com>
5834
5835         PR target/45726
5836         * arm.md (arm_movt): Only enable on machines with MOVT.
5837
5838 2010-09-20  Jie Zhang  <jie@codesourcery.com>
5839
5840         * config/arm/arm.c (arm_address_offset_is_imm): New.
5841         (arm_early_store_addr_dep): New.
5842         (arm_early_load_addr_dep): New.
5843         * config/arm/arm-protos.h (arm_early_store_addr_dep): Declare.
5844         (arm_early_load_addr_dep): Declare.
5845         (arm_address_offset_is_imm): Declare.
5846         * config/arm/cortex-m4.md: New file.
5847         * config/arm/cortex-m4-fpu.md: New file.
5848         * config/arm/arm.md: Include cortex-m4.md and cortex-m4-fpu.md.
5849         (attr generic_sched): Exclude cortexm4.
5850         (attr generic_vfp): Exclude cortexm4.
5851
5852 2010-09-20  Richard Guenther  <rguenther@suse.de>
5853
5854         PR middle-end/45704
5855         * gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.
5856
5857 2010-09-20  Jan Hubicka  <jh@suse.cz>
5858
5859         PR tree-optimize/45605
5860         * cgraph.h (const_value_known_p): Declare.
5861         (varpool_decide_const_value_known): Remove.
5862         * tree-ssa-ccp.c (get_base_constructor): Use it.
5863         * lto-cgraph.c (compute_ltrans_boundary): Likewise.
5864         * expr.c (string_constant): Likewise.
5865         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
5866         * ipa.c (ipa_discover_readonly_nonaddressable_var,
5867         function_and_variable_visibility): Likewise.
5868         * gimplify.c (gimplify_call_expr): Likewise.
5869         * gimple-fold.c (get_symbol_constant_value): Likewise.
5870         * varpool.c (varpool_decide_const_value_known): Replace by...
5871         (const_value_known_p): ... this one; handle other kinds of DECLs
5872         too and work for automatic vars.
5873         (varpool_finalize_decl): Use const_value_known_p.
5874
5875 2010-09-20  Rafael Carre  <rafael.carre@gmail.com>
5876
5877         PR target/45726
5878         * arm.md (arm_movtas_ze): Only enable on machine with MOVT.
5879
5880 2010-09-20  Richard Guenther  <rguenther@suse.de>
5881
5882         PR tree-optimization/45705
5883         * tree-ssa-dom.c (optimize_stmt): Perform redundant store elimination.
5884
5885 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
5886
5887         PR rtl-optimization/45695
5888         * combine.c (try_combine): When splitting a two set pattern,
5889         make sure the pattern which will be put into i2 doesn't use REGs
5890         or MEMs set by insns in between i2 and i3.
5891
5892 2010-09-19  Jan Hubicka  <jh@suse.cz>
5893
5894         PR lto/44246
5895         * lto-cgraph.c (input_cgraph_1, input_varpool_1): Avoid
5896         processing same node twice.
5897
5898 2010-09-19  Anatoly Sokolov  <aesok@post.ru>
5899
5900         * config/bfin/bfin.h (CLASS_LIKELY_SPILLED_P): Remove.
5901         * config/bfin/bfin.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
5902         (bfin_class_likely_spilled_p): New function
5903
5904 2010-09-19  Ira Rosen  <irar@il.ibm.com>
5905
5906         PR tree-optimization/45714
5907         * tree-vect-stmts.c (vect_transform_stmt): Use a dummy statement
5908         created in vectorizable_call instead of the original statement in
5909         def stmt updates.
5910
5911 2010-09-19  Uros Bizjak  <ubizjak@gmail.com>
5912
5913         * config/i386/i386-protos.h (split_double_mode): New prototype.
5914         (split_di, split_ti): Remove prototypes.
5915         * config/i386/i386.c (split_double_mode): New function.
5916         (split_di, split_ti): Remove.
5917         (ix86_expand_branch): Use split_double_mode.
5918         (ix86_split_to_parts): Ditto.
5919         (ix86_split_ashl): Ditto.
5920         (ix86_split_ashr): Ditto.
5921         (ix86_split_lshr): Ditto.
5922         (ix86_force_to_memory): Ditto.
5923         * config/i386/i386.md: Use split_double_mode in double-mode splitters.
5924
5925 2010-09-18  Jan Hubicka  <jh@suse.cz>
5926
5927         PR tree-optimization/45453
5928         * cgraphunit.c (cgraph_finalize_function): Consider comdat & external
5929         virtual functions are reachable.
5930         * ipa-inline.c (cgraph_clone_inlined_nodes): Likewise.
5931         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5932         * ipa-prop.c (ipa_modify_formal_parameters): Clear DECL_VIRTUAL_P
5933         when modifying function.
5934
5935 2010-09-18  Jan Hubicka  <jh@suse.cz>
5936
5937         PR tree-optimization/45605
5938         * cgraphunit.c (cgraph_analyze_functions): Allocate bitmap obstack.
5939         * gimple-fold.c (static_object_in_other_unit_p): New function.
5940         (canonicalize_constructor_val): Use it.
5941         (get_symbol_constant_value): Be reaqdy for canonicalize_constructor_val
5942         returning NULL.
5943         (gimple_fold_obj_type_ref_known_binfo): Use
5944         static_object_in_other_unit_p.
5945
5946 2010-09-18  Richard Guenther  <rguenther@suse.de>
5947
5948         PR tree-optimization/45709
5949         * tree-inline.c (copy_phis_for_bb): Delay commit of edge
5950         insertions until after all PHI nodes of the block are processed.
5951
5952 2010-09-18  Tijl Coosemans  <tijl@coosemans.org>
5953
5954         * config/i386/freebsd.h (SUBTARGET32_DEFAULT_CPU): Add.
5955
5956 2010-09-18  Kai Tietz  <kai.tietz@onevision.com>
5957
5958         * config.gcc (*-w64-mingw*): Correct typo about t-dfprules.
5959
5960 2010-09-18  Richard Guenther  <rguenther@suse.de>
5961
5962         PR tree-optimization/45709
5963         * tree-inline.c (copy_phis_for_bb): Fixup new_edge when we splitted it.
5964
5965 2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>
5966
5967         * graphite-dependences.c (dot_deps): Add DEBUG_FUNCTION.
5968         (dot_deps_stmt): Same.
5969         * graphite-poly.c (dot_lst): Same.
5970         * graphite-scop-detection.c (dot_all_scops): Same.
5971         (dot_scop): Same.
5972
5973 2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>
5974
5975         Revert:
5976         2009-12-16  Ben Elliston  <bje@au.ibm.com>
5977
5978         * tree-data-ref.c (dot_rdg_1): Added back.
5979         (dot_rdg): Same.  Added "#if 0" around system call.
5980
5981 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
5982             Richard Henderson  <rth@redhat.com>
5983
5984         * config/i386/i386.c (initial_ix86_tune_features): Add
5985         X86_TUNE_PAD_SHORT_FUNCTION.
5986         (ix86_code_end): Pad with 8 NOPs for TARGET_PAD_SHORT_FUNCTION.
5987         (ix86_count_insn): New.
5988         (ix86_pad_short_function): Likewise.
5989         (ix86_reorg): Support TARGET_PAD_SHORT_FUNCTION.
5990
5991         * config/i386/i386.h (ix86_tune_indices): Add
5992         X86_TUNE_PAD_SHORT_FUNCTION.
5993         (TARGET_PAD_SHORT_FUNCTION): New.
5994
5995         * config/i386/i386.md (UNSPEC_NOPS): New.
5996         (nops): Likewise.
5997
5998 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
5999
6000         PR middle-end/45234
6001         * calls.c (expand_call): Make sure that all variable sized
6002         adjustments are multiple of preferred stack boundary after
6003         stack alignment.
6004
6005 2010-09-17  DJ Delorie  <dj@redhat.com>
6006
6007         * config/rx/rx.c (rx_print_operand): If __builtin_rx_setpsw() is
6008         passed an invalid value, print an error instead of ICEing.
6009         (valid_psw_flag): New.
6010         (rx_expand_builtin): Call it for setpsw/clrpsw.
6011         (rx_expand_builtin_mvtipl): Pass an integer to IN_RANGE, not an RTX.
6012
6013         * config/rx/rx.md (bitclr): Don't mark the output as early-clobber.
6014         (bitclr_in_memory): Likewise.
6015         (clrspw, setpsw, mvfc, mvtc, mvtipl): Make volatile.
6016
6017 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
6018
6019         PR middle-end/45678
6020         * cfgexpand.c (update_stack_alignment): New.
6021         (get_decl_align_unit): Use it.
6022         (expand_one_stack_var_at): Call update_stack_alignment.
6023
6024 2010-09-17  Richard Guenther  <rguenther@suse.de>
6025
6026         * lto-streamer-in.c (lto_input_ts_translation_unit_decl_tree_pointers):
6027         Properly copy the read string.
6028
6029 2010-09-17  Joseph Myers  <joseph@codesourcery.com>
6030
6031         * doc/options.texi (Variable): Document.
6032         * optc-gen.awk, opth-gen.awk: Handle Variable records.  Don't
6033         generate target_flags declarations explicitly.  Don't define
6034         VarExists variables for the driver.
6035         * common.opt (target_flags): New Variable record.
6036         (flag_dump_unnumbered, flag_dump_unnumbered_links,
6037         flag_var_tracking, flag_var_tracking_assignments,
6038         flag_var_tracking_assignments_toggle): Don't mark variables with
6039         VarExists.
6040         * config/i386/i386.c (ix86_isa_flags): Don't define here.
6041         * config/i386/i386.opt (ix86_isa_flags): Define here.
6042         * config/mcore/mcore.c (mcore_stack_increment): Don't define here.
6043         * config/mcore/mcore.opt (mcore_stack_increment): Don't mark with
6044         VarExists.
6045         * flags.h (flag_dump_unnumbered, flag_var_tracking): Remove.
6046         * print-rtl.c (flag_dump_unnumbered, flag_dump_unnumbered_links):
6047         Only define for generator programs.
6048         * rtlanal.c (target_flags): Remove.
6049         * toplev.c (flag_var_tracking, flag_var_tracking_assignments,
6050         flag_var_tracking_assignments_toggle): Remove.
6051
6052 2010-09-17  Michael Matz  <matz@suse.de>
6053
6054         PR tree-optimization/43432
6055         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
6056         Accept backwards consecutive accesses.
6057         (vect_create_data_ref_ptr): If step is negative generate
6058         decreasing IVs.
6059         * tree-vect-stmts.c (vectorizable_store): Reject negative steps.
6060         (perm_mask_for_reverse, reverse_vec_elements): New functions.
6061         (vectorizable_load): Handle loads with negative steps when easily
6062         possible.
6063
6064 2010-09-03  Jan Hubicka  <jh@suse.cz>
6065
6066         * lto-cgraph.c (compute_ltrans_boundary): Use const_value_known.
6067
6068 2010-09-03  Naveen H.S  <naveen.S@kpitcummins.com>
6069
6070         * config/v850/v850.c (v850_function_value_regno_p): Make static.
6071         Adjust comments. Declare.
6072         (TARGET_FUNCTION_VALUE_REGNO_P): Define.
6073         * config/v850/v850.h (FUNCTION_VALUE_REGNO_P): Delete.
6074
6075 2010-09-17  Richard Guenther  <rguenther@suse.de>
6076
6077         * common.opt (combine): Remove.
6078         * gcc.c (default_compilers): Remove specs testing combine.
6079         The C compilers no longer can combine.
6080         (option_map): Remove -combine.
6081         (display_help): Remove -combine.
6082         (driver_handle_option): Remove OPT_combine handling.
6083         (compile_input_file_p): Remove.
6084         (do_spec): Remove code concerning combine.
6085         (main): Likewise.
6086         * doc/invoke.texi: Remove traces of -combine.
6087         * lto-wrapper.c (run_gcc): Do not pass -combine to the compiler driver.
6088
6089 2010-09-17  Richard Guenther  <rguenther@suse.de>
6090
6091         PR middle-end/45678
6092         * builtins.c (fold_builtin_memory_op): Always properly adjust
6093         alignment of memory accesses.
6094
6095 2010-09-16  Jan Hubicka  <jh@suse.cz>
6096
6097         * lto-cgraph.c (input_overwrite_node): Do not set DECL_EXTERNAL when
6098         processing clone.
6099
6100 2010-09-16  H.J. Lu  <hongjiu.lu@intel.com>
6101
6102         * config/i386/i386-protos.h (ix86_split_idivmod): New prototype.
6103
6104         * config/i386/i386.c (predict_jump): Add prototype.
6105         (flag_opts): Add -m8bit-idiv.
6106         (ix86_split_idivmod): New.
6107
6108         * config/i386/i386.md (UNSPEC_DIV_ALREADY_SPLIT): New.
6109         Add 2 splitters for SI/DI mode divide.
6110         (divmod<mode>4_1): New pattern.
6111         (udivmod<mode>4_1): Likewise.
6112         (testdi_ccno_1): Likewise.
6113
6114         * config/i386/i386.opt (m8bit-idiv): New.
6115
6116         * doc/invoke.texi: Document -m8bit-idiv.
6117
6118 2010-09-16  Reza Yazdani  <reza.yazdani@amd.com>
6119
6120         PR bootstrap/45680
6121         * config/i386/i386.c (min_insn_size): Moved out of the
6122         ASM_OUTPUT_MAX_SKIP_PAD ifdef.
6123
6124 2010-09-16  Jan Hubicka  <jh@suse.cz>
6125
6126         * lto-cgraph.c (lto_output_node): Fix handling of clones.
6127         * ipa.c (cgraph_remove_unreachabloe_nodes): Fix handling of
6128         unreachable clones with reachable clones.
6129         * tree-inline.c (copy_bb): Fix sanity checking when producing
6130         unreachable clone.
6131
6132 2010-09-16  Anatoly Sokolov  <aesok@post.ru>
6133
6134         * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Remove.
6135         (TARGET_MEMORY_MOVE_COST): Define.
6136         (m32r_function_arg): Annotate argument 'type' with ATTRIBUTE_UNUSED.
6137
6138 2010-09-16  Alexander Monakov  <amonakov@ispras.ru>
6139
6140         * sel-sched.c (move_cond_jump): Use tidy_control_flow instead of
6141         maybe_tidy_empty_bb.
6142
6143         Revert:
6144         2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
6145         * sel-sched-ir.c (maybe_tidy_empty_bb): Export.
6146
6147 2010-09-16  Joseph Myers  <joseph@codesourcery.com>
6148
6149         * target.def (target_option.optimization): New hook.
6150         * doc/tm.texi.in (OPTIMIZATION_OPTIONS): Change to
6151         TARGET_OPTION_OPTIMIZATION hook.
6152         * doc/tm.texi: Regenerate.
6153         * hooks.c (hook_void_int_int): New.
6154         * hooks.h (hook_void_int_int): Declare.
6155         * opts.c: Don't include tm_p.h.
6156         (decode_options): Use targetm.target_option.optimization instead
6157         of OPTIMIZATION_OPTIONS.
6158         * system.h (OPTIMIZATION_OPTIONS): Poison.
6159         * config/arm/arm-protos.h (arm_optimization_options): Remove.
6160         * config/arm/arm.c (TARGET_OPTION_OPTIMIZATION): Define.
6161         (arm_optimization_options): Rename to arm_option_optimization.
6162         Make static.
6163         * config/arm/arm.h (OPTIMIZATION_OPTIONS): Remove.
6164         * config/cris/cris.c (TARGET_OPTION_OPTIMIZATION): Define.
6165         (cris_option_optimization): New.
6166         * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove.
6167         * config/crx/crx.c (TARGET_OPTION_OPTIMIZATION): Define.
6168         (crx_option_optimization): New.
6169         * config/crx/crx.h (OPTIMIZATION_OPTIONS): Remove.
6170         * config/frv/frv-protos.h (frv_optimization_options): Remove.
6171         * config/frv/frv.c (TARGET_OPTION_OPTIMIZATION): Define.
6172         (frv_optimization_options): Rename to frv_option_optimization.
6173         Make static.
6174         * config/frv/frv.h (OPTIMIZATION_OPTIONS): Remove.
6175         * config/h8300/h8300.c (h8300_option_optimization): New.
6176         (TARGET_OPTION_OPTIMIZATION): Define.
6177         * config/h8300/h8300.h (OPTIMIZATION_OPTIONS): Remove.
6178         * config/i386/i386-protos.h (optimization_options): Remove.
6179         * config/i386/i386.c (optimization_options): Rename to
6180         ix86_option_optimization.  Make static.
6181         (TARGET_OPTION_OPTIMIZATION): Define.
6182         * config/i386/i386.h (OPTIMIZATION_OPTIONS): Remove.
6183         * config/ia64/ia64-protos.h (ia64_optimization_options): Remove.
6184         * config/ia64/ia64.c (TARGET_OPTION_OPTIMIZATION): Define.
6185         (ia64_optimization_options): Rename to ia64_option_optimization.
6186         Make static.  Call SUBTARGET_OPTIMIZATION_OPTIONS.
6187         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): Remove.  Remove
6188         commented-out definition.
6189         * config/ia64/vms.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define
6190         instead of OPTIMIZATION_OPTIONS.
6191         * config/m32r/m32r.c (TARGET_OPTION_OPTIMIZATION): Define.
6192         (m32r_option_optimization): New.
6193         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove.
6194         * config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
6195         Remove.
6196         * config/mcore/mcore.c (TARGET_OPTION_OPTIMIZATION): Define.
6197         (mcore_option_optimization): New.
6198         * config/mcore/mcore.h (OPTIMIZATION_OPTIONS): Remove.
6199         * config/mep/mep-protos.h (mep_optimization_options): Remove.
6200         * config/mep/mep.c (TARGET_OPTION_OPTIMIZATION): Define.
6201         (mep_optimization_options): Rename to mep_option_optimization.
6202         Make static.  Take unused level and size parameters.
6203         * config/mep/mep.h (OPTIMIZATION_OPTIONS): Remove.
6204         * config/mmix/mmix.c (TARGET_OPTION_OPTIMIZATION): Define.
6205         (mmix_option_optimization): New.
6206         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove.
6207         * config/pdp11/pdp11.c (TARGET_OPTION_OPTIMIZATION): Define.
6208         (pdp11_option_optimization): New.
6209         * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Remove.
6210         * config/rs6000/rs6000-protos.h (optimization_options): Remove.
6211         * config/rs6000/rs6000.c (TARGET_OPTION_OPTIMIZATION): Define.
6212         (optimization_options): Rename to rs6000_option_optimization.
6213         Make static.
6214         * config/rs6000/rs6000.h (OPTIMIZATION_OPTIONS): Remove.
6215         * config/rx/rx-protos.h (rx_set_optimization_options): Remove.
6216         * config/rx/rx.c (rx_set_optimization_options): Rename to
6217         rx_option_optimization.  Make static.  Take unused level and size
6218         parameters.
6219         (TARGET_OPTION_OPTIMIZATION): Define.
6220         * config/rx/rx.h (OPTIMIZATION_OPTIONS): Remove.
6221         * config/s390/s390-protos.h (optimization_options): Remove.
6222         * config/s390/s390.c (optimization_options): Rename to
6223         s390_option_optimization.  Make static.  Don't mark size parameter
6224         unused.
6225         (TARGET_OPTION_OPTIMIZATION): Define.
6226         * config/s390/s390.h (OPTIMIZATION_OPTIONS): Remove.
6227         * config/sh/sh-protos.h (sh_optimization_options): Remove.
6228         * config/sh/sh.c (TARGET_OPTION_OPTIMIZATION): Define.
6229         (sh_optimization_options): Rename to sh_option_optimization.  Make
6230         static.  Don't mark parameters unused.
6231         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Remove.
6232         * config/spu/spu-protos.h (spu_optimization_options): Remove.
6233         * config/spu/spu.c (TARGET_OPTION_OPTIMIZATION): Define.
6234         (spu_optimization_options): Rename to spu_option_optimization.
6235         Make static.
6236         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Remove.
6237         * config/v850/v850.c (TARGET_OPTION_OPTIMIZATION): Define.
6238         (v850_option_optimization): New.
6239         * config/v850/v850.h (OPTIMIZATION_OPTIONS): Remove.
6240         * config/xtensa/xtensa.c (TARGET_OPTION_OPTIMIZATION): Define.
6241         (xtensa_option_optimization): New.
6242         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Remove.
6243
6244 2010-09-16  Joseph Myers  <joseph@codesourcery.com>
6245
6246         * doc/tm.texi.in (OVERRIDE_OPTIONS): Remove documentation.
6247         (C_COMMON_OVERRIDE_OPTIONS): Don't refer to OVERRIDE_OPTIONS.
6248         * doc/tm.texi: Regenerate.
6249         * system.h (OVERRIDE_OPTIONS): Poison.
6250         * target.def (override): Default to hook_void_void.
6251         * targhooks.c (default_target_option_override): Remove.
6252         * genmodes.c, machmode.def: Update comments mentioning
6253         OVERRIDE_OPTIONS.
6254         * config/alpha/alpha-modes.def: Update comment mentioning
6255         alpha_override_options.
6256         * config/alpha/alpha-protos.h (override_options): Remove.
6257         * config/alpha/alpha.c (override_options): Rename to
6258         alpha_option_override.  Call SUBTARGET_OVERRIDE_OPTIONS.  Make static.
6259         (TARGET_OPTION_OVERRIDE): Define.
6260         * config/alpha/alpha.h (OVERRIDE_OPTIONS): Remove.
6261         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead
6262         of OVERRIDE_OPTIONS.
6263         * config/arc/arc-protos.h (arc_init): Remove.
6264         * config/arc/arc.c (TARGET_OPTION_OVERRIDE): Define.
6265         (arc_init): Rename to arc_option_override.  Make static.
6266         * config/arc/arc.h (ARC_EXTENSION_CPU): Correct comment.
6267         (OVERRIDE_OPTIONS): Remove.
6268         * config/arm/arm-protos.h (arm_override_options): Remove.
6269         * config/arm/arm.c (TARGET_OPTION_OVERRIDE): Define.
6270         (arm_override_options): Rename to arm_option_override.  Make
6271         static.  Call SUBTARGET_OVERRIDE_OPTIONS.
6272         * config/arm/arm.h (OVERRIDE_OPTIONS): Remove.
6273         * config/arm/arm.md: Update comment referring to arm_override_options.
6274         * config/arm/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
6275         instead of OVERRIDE_OPTIONS.
6276         * config/avr/avr-protos.h (avr_override_options): Remove.
6277         * config/avr/avr.c (TARGET_OPTION_OVERRIDE): Define.
6278         (avr_override_options): Rename to avr_option_override.  Make static.
6279         * config/avr/avr.h (OVERRIDE_OPTIONS): Remove.
6280         * config/bfin/bfin-protos.h (override_options): Remove (twice).
6281         * config/bfin/bfin.c (override_options): Rename to
6282         bfin_option_override.  Make static.
6283         (TARGET_OPTION_OVERRIDE): Define.
6284         * config/bfin/bfin.h (OVERRIDE_OPTIONS): Remove.
6285         * config/cris/cris-protos.h (cris_override_options): Remove.
6286         * config/cris/cris.c (TARGET_OPTION_OVERRIDE): Define.
6287         (cris_override_options): Rename to cris_option_override.  Make static.
6288         * config/cris/cris.h (OVERRIDE_OPTIONS): Remove.
6289         * config/frv/frv-protos.h (frv_override_options): Remove.
6290         * config/frv/frv.c (TARGET_OPTION_OVERRIDE): Define.
6291         (frv_override_options): Rename to frv_option_override.  Make static.
6292         * config/frv/frv.h (OVERRIDE_OPTIONS): Remove.
6293         * config/h8300/h8300-protos.h (h8300_init_once): Remove.
6294         * config/h8300/h8300.c (h8300_init_once): Rename to
6295         h8300_option_override.  Make static.
6296         (TARGET_OPTION_OVERRIDE): Define.
6297         * config/h8300/h8300.h (OVERRIDE_OPTIONS): Remove.
6298         * config/i386/i386-protos.h (override_options): Remove.
6299         * config/i386/i386.c (override_options): Rename to
6300         ix86_option_override_internal.  Make static.  Comments referring
6301         to this function and callers changed.
6302         (ix86_option_override): New.
6303         (TARGET_OPTION_OVERRIDE): Define.
6304         * config/i386/i386.h (OVERRIDE_OPTION): Remove.
6305         * config/i386/linux64.h (DEFAULT_PCC_STRUCT_RETURN): Update comment.
6306         * config/ia64/ia64.c (ia64_file_start): Update comment referring
6307         to ia64_override_options.
6308         * config/iq2000/iq2000-protos.h (override_options): Remove.
6309         * config/iq2000/iq2000.c (TARGET_OPTION_OVERRIDE): Define.
6310         (override_options): Rename to iq2000_option_override.  Make static.
6311         * config/iq2000/iq2000.h (OVERRIDE_OPTIONS): Remove.
6312         * config/lm32/lm32-protos.h (lm32_override_options): Remove.
6313         * config/lm32/lm32.c (TARGET_OPTION_OVERRIDE): Define.
6314         (lm32_override_options): Rename to lm32_option_override.  Make static.
6315         * config/lm32/lm32.h (OVERRIDE_OPTIONS): Remove.
6316         * config/m32r/m32r.c (TARGET_OPTION_OVERRIDE): Define.
6317         (m32r_option_override): New.
6318         (m32r_init): Update comment.
6319         * config/m32r/m32r.h (OVERRIDE_OPTIONS): Remove.
6320         * config/m68hc11/m68hc11-protos.h (m68hc11_override_options): Remove.
6321         * config/m68hc11/m68hc11.c (TARGET_OPTION_OVERRIDE): Define.
6322         (m68hc11_override_options): Rename to m68hc11_option_override.
6323         Make static.  Return void.
6324         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove.
6325         * config/m68k/m68k-protos.h (override_options): Remove.
6326         * config/m68k/m68k.c (TARGET_OPTION_OVERRIDE): Define.
6327         (override_options): Rename to m68k_option_override.  Make static.
6328         * config/m68k/m68k.h (OVERRIDE_OPTIONS): Remove.
6329         * config/mcore/mcore-protos.h (mcore_override_options): Remove.
6330         * config/mcore/mcore.c (TARGET_OPTION_OVERRIDE): Define.
6331         (mcore_override_options): Rename to mcore_option_override.  Make
6332         static.
6333         * config/mcore/mcore.h (OVERRIDE_OPTIONS): Remove.
6334         * config/mep/mep-protos.h (mep_override_options): Remove.
6335         * config/mep/mep.c (TARGET_OPTION_OVERRIDE): Define.
6336         (mep_override_options): Rename to mep_option_override.  Make static.
6337         * config/mep/mep.h (OVERRIDE_OPTIONS): Remove.
6338         * config/mmix/mmix-protos.h (mmix_override_options): Remove.
6339         * config/mmix/mmix.c (TARGET_OPTION_OVERRIDE): Define.
6340         (mmix_override_options): Rename to mmix_option_override.  Make static.
6341         * config/mmix/mmix.h (OVERRIDE_OPTIONS): Remove.
6342         * config/mn10300/mn10300-protos.h (mn10300_override_options): Remove.
6343         * config/mn10300/mn10300.c (TARGET_OPTION_OVERRIDE): Define.
6344         (mn10300_override_options): Rename to mn10300_option_override.
6345         Make static.
6346         * config/mn10300/mn10300.h (OVERRIDE_OPTIONS): Remove.
6347         * config/moxie/moxie-protos.h (moxie_override_options): Remove.
6348         * config/moxie/moxie.c (moxie_override_options): Rename to
6349         moxie_option_override.  Make static.
6350         (TARGET_OPTION_OVERRIDE): Define.
6351         * config/moxie/moxie.h (OVERRIDE_OPTIONS): Remove.
6352         * config/picochip/picochip-protos.h (picochip_override_options):
6353         Remove.  Update comment referring to picochip_override_options.
6354         * config/picochip/picochip.c (TARGET_OPTION_OVERRIDE): Define.
6355         (picochip_override_options): Rename to picochip_option_override.
6356         Make static.  Update comment and definition of
6357         TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE.
6358         * config/picochip/picochip.h (OVERRIDE_OPTIONS): Remove.
6359         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
6360         * config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
6361         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
6362         * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
6363         * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
6364         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Define
6365         instead of OVERRIDE_OPTIONS.
6366         * config/rs6000/rs6000-modes.def: Update comment referring to
6367         rs6000_override_options.
6368         * config/rs6000/rs6000-protos.h (rs6000_override_options): Remove.
6369         * config/rs6000/rs6000.c (TARGET_OPTION_OVERRIDE): Define.
6370         (rs6000_override_options): Rename to
6371         rs6000_option_override_internal.  Make static.  Commented
6372         referring to rs6000_override_options and OVERRIDE_OPTIONS updated.
6373         (rs6000_option_override): New.
6374         * config/rs6000/rs6000.h (OPTION_TARGET_CPU_DEFAULT): Define
6375         instead of OVERRIDE_OPTIONS.
6376         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
6377         * config/s390/s390-protos.h (override_options): Remove.
6378         * config/s390/s390.c (override_options): Rename to
6379         s390_option_override.  Make static.
6380         (TARGET_OPTION_OVERRIDE): Define.
6381         * config/s390/s390.h (OVERRIDE_OPTIONS): Remove.
6382         * config/score/score-protos.h (score_override_options): Remove.
6383         * config/score/score.c (TARGET_OPTION_OVERRIDE): Define.
6384         (score_override_options): Rename to score_option_override.  Make
6385         static.
6386         * config/score/score.h (OVERRIDE_OPTIONS): Remove.
6387         Update comment referring to override_options.
6388         * config/score/score3.c (score3_override_options): Rename to
6389         score3_option_override.
6390         * config/score/score3.h (score3_override_options): Rename to
6391         score3_option_override.
6392         * config/score/score7.c (score7_override_options): Rename to
6393         score7_option_override.
6394         * config/score/score7.h (score7_override_options): Rename to
6395         score7_option_override.
6396         * config/sh/sh.c: Update comments referring to OVERRIDE_OPTIONS.
6397         * config/sparc/sparc.c (TARGET_OPTION_OVERRIDE): Define.
6398         (sparc_override_options): Rename to sparc_option_override.  Make
6399         static.  Call SUBTARGET_OVERRIDE_OPTIONS.
6400         * config/sparc/sparc.h (OVERRIDE_OPTIONS): Remove.
6401         * config/sparc/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
6402         instead of OVERRIDE_OPTIONS.
6403         * config/spu/spu-protos.h (spu_override_options): Remove.
6404         * config/spu/spu.c (TARGET_OPTION_OVERRIDE): Define.
6405         (spu_override_options): Rename to spu_option_override.  Make
6406         static.
6407         * config/spu/spu.h (OVERRIDE_OPTIONS): Remove.
6408         * config/vax/elf.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead of
6409         OVERRIDE_OPTIONS.
6410         * config/vax/vax-protos.h (override_options): Remove.
6411         * config/vax/vax.c (TARGET_OPTION_OVERRIDE): Define.
6412         (override_options): Rename to vax_option_override.  Make static.
6413         Call SUBTARGET_OVERRIDE_OPTIONS.
6414         * config/vax/vax.h (OVERRIDE_OPTIONS): Remove.
6415         * config/vxworks.c: Update comment referring to OVERRIDE_OPTIONS.
6416         * config/vxworks.h: Update comment referring to OVERRIDE_OPTIONS.
6417         * config/xtensa/xtensa-protos.h (override_options): Remove.
6418         * config/xtensa/xtensa.c (TARGET_OPTION_OVERRIDE): Define.
6419         (override_options): Rename to xtensa_option_override.  Make static.
6420         * config/xtensa/xtensa.h (OVERRIDE_OPTIONS): Remove.
6421
6422 2010-09-16  Richard Guenther  <rguenther@suse.de>
6423
6424         PR tree-optimization/45623
6425         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Adjust.
6426         (get_constraint_for_component_ref): If computing a constraint
6427         for the rhs handle type punning through unions.
6428         (get_constraint_for_address_of): Adjust.
6429         (get_constraint_for_1): Likewise.
6430         (get_constraint_for): Likewise.
6431         (get_constraint_for_rhs): New function.
6432         (do_structure_copy): Adjust.
6433         (make_constraint_to): Likewise.
6434         (handle_const_call): Likewise.
6435         (find_func_aliases): Likewise.
6436         (process_ipa_clobber): Likewise.
6437         (create_variable_info_for): Likewise.
6438
6439 2010-09-16  Ira Rosen  <irar@il.ibm.com>
6440
6441         * tree-vectorizer.c: Fix documentation.
6442         * tree-vectorizer.h (vinfo_for_stmt): Add documentation.
6443         (set_vinfo_for_stmt, get_earlier_stmt, get_later_stmt,
6444         is_pattern_stmt_p, is_loop_header_bb_p,
6445         stmt_vinfo_set_inside_of_loop_cost,
6446         stmt_vinfo_set_outside_of_loop_cost, vect_pow2, aligned_access_p,
6447         known_alignment_for_access_p): Likewise.
6448         * tree-vect-loop.c: Fix documentation.
6449         (vect_get_cost): Start function name from new line.
6450         * tree-vect-data-refs.c: Fix documentation.
6451         * tree-vect_stmts.c: Likewise.
6452         (vect_create_vectorized_promotion_stmts): Always free vec_tmp.
6453         (vectorizable_store): Free vec_oprnds if allocated.
6454         (vectorizable_condition): Initialize several variables to avoid
6455         warnings.
6456         * tree-vect-slp.c: Fix documentation.
6457
6458 2010-09-16  Richard Guenther  <rguenther@suse.de>
6459
6460         * tree.c (tree_node_structure_for_code): TRANSLATION_UNIT_DECL
6461         is TS_TRANSLATION_UNIT_DECL.
6462         (initialize_tree_contains_struct): Adjust.
6463         (all_translation_units): New global vector.
6464         (build_translation_unit_decl): New function.
6465         * tree.h (TRANSLATION_UNIT_LANGUAGE): New macro.
6466         (struct tree_translation_unit_decl): New.
6467         (all_translation_units): Declare.
6468         (union tree_node): Add translation_unit_decl member.
6469         (build_translation_unit_decl): Declare.
6470         * treestruct.def (TS_TRANSLATION_UNIT_DECL): New.
6471         * lto-streamer-out.c (pack_ts_translation_unit_decl_value_fields):
6472         New function.
6473         (pack_value_fields): Call it.
6474         (lto_output_tree_ref): Handle references to TRANSLATION_UNIT_DECL.
6475         (lto_output_ts_translation_unit_decl_tree_pointers): New function.
6476         (lto_output_tree_pointers): Call it.
6477         * lto-streamer-in.c (lto_input_tree_ref): Handle references
6478         to TRANSLATION_UNIT_DECL.
6479         (unpack_ts_translation_unit_decl_value_fields): New function.
6480         (unpack_value_fields): Call it.
6481         (lto_input_ts_translation_unit_decl_tree_pointers): New function.
6482         (lto_input_tree_pointers): Call it.
6483         * lto-streamer.c (check_handled_ts_structures): Adjust.
6484         * lto-streamer.h (enum LTO_tags): Add LTO_translation_unit_decl_ref.
6485         * c-decl.c (all_translation_units): Remove.
6486         (pop_scope): Use build_translation_unit_decl.
6487         (collect_all_refs): Adjust.
6488         (for_each_global_decl): Likewise.
6489         (c_write_global_declarations): Likewise.
6490
6491 2010-09-16  Jakub Jelinek  <jakub@redhat.com>
6492
6493         PR bootstrap/45686
6494         * fold-const.c (fold_checksum_tree): Change slot from const void **
6495         to void **, use CONST_CAST_TREE to store into *slot.
6496
6497 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
6498
6499         * config/i386/i386.md: Remove unneeded empty conditions and
6500         preparation statements from expanders.
6501         * config/i386/mmx.md: Ditto.
6502         * config/i386/sse.md: Ditto.
6503
6504 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
6505
6506         * config/i386/i386.h (PUSH_ROUNDING): Redefine using UNITS_PER_WORD.
6507
6508 2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6509
6510         PR rtl-optimization/45593
6511         * reorg.c (relax_delay_slots): Use emit_copy_of_insn_after to re-emit
6512         insns that were in delay slots as stand-alone insns.
6513
6514 2010-09-15  Ian Lance Taylor  <iant@google.com>
6515
6516         * incpath.c (remove_duplicates): If name is not a directory, issue
6517         a warning rather than an error.
6518
6519 2010-09-15  Martin Jambor  <mjambor@suse.cz>
6520
6521         PR middle-end/45644
6522         * tree-sra.c (create_access): Check for bit-fields directly.
6523
6524 2010-09-15  Jakub Jelinek  <jakub@redhat.com>
6525
6526         PR tree-optimization/45633
6527         * tree-cfg.c (verify_gimple_assign_binary): Allow
6528         MINUS_EXPR with lhs and rhs1 pointer vector and
6529         rhs2 sizetype vector.
6530         * expr.c (expand_expr_real_2) <case PLUS_EXPR>: For pointer
6531         or vector pointer use TER to optimize pointer subtraction.
6532
6533 2010-09-15  Jie Zhang  <jie@codesourcery.com>
6534
6535         * config/arm/vfp.md (cmpsf_trap_vfp): Change type from
6536         fcmpd to fcmps.
6537
6538 2010-09-15  Ian Lance Taylor  <iant@google.com>
6539
6540         * config/i386/i386.md (truncxf<mode>2): Fix indentation.
6541
6542 2010-09-15  Ian Lance Taylor  <iant@google.com>
6543
6544         * function.c (get_arg_pointer_save_area): Set
6545         arg_pointer_save_area_init to true.
6546
6547 2010-09-15  Martin Jambor  <mjambor@suse.cz>
6548
6549         * tree-sra.c (generate_subtree_copies): Updated comment.
6550         (handle_unscalarized_data_in_subtree): Removed parameter lhs which is
6551         obtained from the statement iterator instead.
6552         (load_assign_lhs_subreplacements): Removed parameters lhs and
6553         right_offset, which is obtained from top_racc instead.  Parameter lacc
6554         is now expected to be the root of the processed tree rather than root's
6555         first child.  Updated all callers.
6556
6557 2010-09-15  Joseph Myers  <joseph@codesourcery.com>
6558
6559         * config/pdp11/pdp11.c (register_move_cost): Rename to
6560         pdp11_register_move_cost.
6561         * config/pdp11/pdp11-protos.h (register_move_cost): Rename to
6562         pdp11_register_move_cost.
6563         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Call
6564         pdp11_register_move_cost instead of register_move_cost.
6565
6566 2010-09-15  Tejas Belagod  <tejas.belagod@arm.com>
6567
6568         * config/arm/neon.md (vec_pack_trunc_<mode>): Instruction
6569         pattern for vmovn. Expansion in case of non
6570         -mvectorize-with-neon-quad.
6571         (neon_vec_pack_trunc_<mode>): Instruction pattern for vmovn for
6572         non- -mvectorize-with-neon-quad case.
6573         (move_lo_quad_<mode>): New expansion to vmov into low part.
6574         (move_hi_quad_<mode>): New expansion to vmov into high part.
6575         (move_lo_quad_v4si): Refactor to move_lo_quad_<mode> expansion.
6576         (move_lo_quad_v4sf): Likewise.
6577         (move_lo_quad_v8hi): Likewise.
6578         (neon_move_lo_quad_<mode>): Instruction pattern for vmov into
6579         low part.
6580         (neon_move_hi_quad_<mode>): Instruction pattern for vmov into
6581         high part.
6582         * config/arm/iterators.md (ANY128): New mode iterator.
6583         (V_narrow_pack): New mode attribute.
6584         (V_HALF): Add attribute.
6585         (V_DOUBLE): Add attribute.
6586         (V_mode_nunits): Add attribute.
6587
6588 2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6589
6590         * config/alpha/alpha.c (alpha_expand_prologue): If stack checking
6591         is enabled, probe up to frame_size + STACK_CHECK_PROTECT bytes.
6592
6593 2010-09-15  Olivier Hainque  <hainque@adacore.com>
6594             Jose Ruiz  <ruiz@adacore.com>
6595
6596         * config/alpha/osf5.h (MD_UNWIND_SUPPORT): Define.
6597         * config/alpha/osf5-unwind.h: New file.
6598
6599 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
6600
6601         PR bootstrap/45672
6602         * config/mips/mips.c (mips_units_per_simd_word): Correct return type.
6603         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
6604         * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
6605
6606 2010-09-15  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
6607
6608         * c-lang.h (struct lang_type): Add variable_size GTY option.
6609
6610 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
6611
6612         PR bootstrap/45672
6613         * config/rs6000/rs6000.c (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.
6614
6615 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
6616
6617         * config/i386/i386.c (ix86_lea_for_add_ok): Return false if
6618         result isn't used in memory address.
6619
6620 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
6621
6622         * defaults.h (UNITS_PER_SIMD_WORD): Removed.
6623         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Likewise.
6624         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
6625         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
6626         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
6627         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
6628
6629         * target.def: Add units_per_simd_word to vectorize.
6630
6631         * targhooks.c (default_units_per_simd_word): New.
6632         * targhooks.h (default_units_per_simd_word): Likewise.
6633         * config/arm/arm.c (arm_units_per_simd_word): Likewise.
6634         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
6635         * config/mips/mips.c (mips_units_per_simd_word): Likewise.
6636         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
6637         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
6638         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
6639         * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
6640         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
6641
6642         * tree-vect-loop.c: Replace UNITS_PER_SIMD_WORD with
6643         TARGET_VECTORIZE_UNITS_PER_SIMD_WORD in comments.
6644
6645         * tree-vect-stmts.c: Don't include "tm_p.h".
6646         (get_vectype_for_scalar_type): Replace UNITS_PER_SIMD_WORD
6647         with targetm.vectorize.units_per_simd_word.
6648
6649         * system.h (UNITS_PER_SIMD_WORD): Poisoned.
6650
6651         * config/i386/i386-protos.h (ix86_units_per_simd_word): Removed.
6652
6653         * config/i386/i386.c (ix86_units_per_simd_word): Make it static.
6654         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.
6655
6656         * doc/tm.texi.in: Remove UNITS_PER_SIMD_WORD.  Add
6657         TARGET_VECTORIZE_UNITS_PER_SIMD_WORD.
6658
6659         * doc/tm.texi: Regenerated.
6660
6661 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
6662
6663         * tree-vect-stmts.c: Include "tm_p.h".
6664
6665         * config/i386/i386-protos.h (ix86_units_per_simd_word): Moved
6666         out of RTX_CODE.
6667
6668 2010-09-14  Martin Jambor  <mjambor@suse.cz>
6669
6670         * tree-sra.c (build_ref_for_offset): Loc made a parameter.  Set the
6671         location of generated statement.  Changed all callers.
6672         (build_ref_for_model): New parameter loc which used to set location of
6673         all generated expressions.  Changed all callers.
6674         (generate_subtree_copies): Likewise.
6675         (init_subtree_with_zero): Likewise.
6676         (sra_modify_expr): Set locations of all generated statements and
6677         expressions to the location the original statement.
6678         (handle_unscalarized_data_in_subtree): Likewise.
6679         (load_assign_lhs_subreplacements): Likewise.
6680         (sra_modify_constructor_assign): Likewise.
6681         (sra_modify_assign): Likewise.
6682
6683 2010-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6684
6685         PR target/45277
6686         PR target/45363
6687         PR target/45407
6688         * doc/install.texi (sparc*-*-*): New section.
6689         (sparc-sun-solaris2*): Mention MPC alongside GMP and MPFR.
6690
6691 2010-09-14  Jakub Jelinek  <jakub@redhat.com>
6692
6693         PR middle-end/45567
6694         * builtins.c (expand_builtin_interclass_mathfn, expand_builtin_cexpi,
6695         expand_builtin_powi): Remove subtarget argument, pass NULL_RTX instead.
6696         (expand_builtin): Adjust caller.
6697         (expand_builtin_unop): Only use subtarget if it has the right mode.
6698
6699 2010-09-14  Tristan Gingold  <gingold@adacore.com>
6700
6701         * configure.ac (plugins): Fix typos.
6702         * configure: Regenerate.
6703
6704 2010-09-14  Jakub Jelinek  <jakub@redhat.com>
6705
6706         PR debug/45660
6707         * dwarf2out.c (gen_decl_die): Call gen_type_die for origin before
6708         gen_type_die for function/method return type.
6709
6710 2010-09-14  Ira Rosen  <irar@il.ibm.com>
6711
6712         PR tree-optimization/45470
6713         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
6714         can throw an exception.
6715         * tree-vect-stmts.c (vectorizable_call): Likewise.
6716
6717 2010-09-14  DJ Delorie  <dj@redhat.com>
6718
6719         PR target/44749
6720         * config/mep/mep-protos.h (mep_save_register_info,
6721         mep_reinit_regs, mep_init_regs): Declare.
6722
6723         * config/mep/mep.c: Move all target definitions to the end of the
6724         file to avoid the need for duplicate declarations.
6725         (mep_save_register_info, mep_reinit_regs, mep_init_regs): New.
6726         (mep_reorg_erepeat): Remove unused variables.
6727         (mep_expand_builtin): Likewise.
6728
6729         * config/mep/mep-pragma.c: Don't include rtl.h.
6730         (INVALID_REGNUM): New.
6731         (mep_pragma_coprocessor_which): Call mep-specific rtl-layer bridge
6732         functions.
6733         (mep_pragma_coprocessor_subclass): Rename "class" to "rclass".
6734         Avoid enum/integer math.
6735
6736 2010-09-13  Joseph Myers  <joseph@codesourcery.com>
6737
6738         PR target/44749
6739         * config/mep/t-mep (GTM_H): Add insn-constants.h.
6740         * config/mep/mep.c (mep_conditional_register_usage): Take no
6741         parameters.
6742         * config/mep/mep-protos.h (mep_conditional_register_usage): Update
6743         prototype.
6744         * config/mep/mep-pragma.c (CONDITIONAL_REGISTER_USAGE): Update
6745         call to mep_conditional_register_usage.
6746
6747 2010-09-13  Eric Botcazou  <ebotcazou@adacore.com>
6748
6749         PR debug/43937
6750         * varasm.c (output_constant_def_contents): Set TREE_ASM_WRITTEN on
6751         the DECL as well.
6752
6753 2010-09-13  Jakub Jelinek  <jakub@redhat.com>
6754
6755         PR rtl-optimization/45617
6756         * combine.c (simplify_comparison): Optimize (X >> N) {>,>=,<,<=} C
6757         even if low N bits of X aren't known to be zero.
6758
6759 2010-09-13  H.J. Lu  <hongjiu.lu@intel.com>
6760
6761         * config/i386/i386-protos.h (ix86_units_per_simd_word): New.
6762
6763         * config/i386/i386.c (initial_ix86_tune_features): Add
6764         X86_TUNE_VECTORIZE_DOUBLE.
6765         (ix86_units_per_simd_word): New.
6766
6767         * config/i386/i386.h (ix86_tune_indices): Add
6768         X86_TUNE_VECTORIZE_DOUBLE.
6769         (TARGET_VECTORIZE_DOUBLE): New.
6770         (UNITS_PER_SIMD_WORD): Defined with ix86_units_per_simd_word.
6771
6772 2010-09-13  Pat Haugen  <pthaugen@us.ibm.com>
6773
6774         * tree-ssa-ter.c (temp_expr_table_d): Add call_cnt field.
6775         (new_temp_expr_table): Allocate call_cnt vector.
6776         (free_temp_expr_table): Free it.
6777         (process_replaceable): Add call_cnt parm and set in vector.
6778         (find_replaceable_in_bb): Skip replacement if def/use span a call.
6779         (debug_ter): Dump call_cnt value, remove stderr uses.
6780
6781 2010-09-13  Jan Hubicka  <jh@suse.cz>
6782
6783         * tree.c (build_zero_cst): New.
6784         * tree.h (build_zero_cst): Declare.
6785         * tree-ssa-ccp.c (get_constant_value): Accept general operands.
6786         (get_base_constructor): Break out from ...
6787         (fold_const_aggregate_ref): Here; handle empty constructors.
6788
6789 2010-09-13  Marcus Shawcroft  <marcus.shawcroft@arm.com>
6790
6791         * config/arm/arm.md: (define_attr "conds"): Update comment.
6792         * config/arm/sync.md (arm_sync_compare_and_swapsi): Change
6793         conds attribute to clob.
6794         (arm_sync_compare_and_swapsi): Likewise.
6795         (arm_sync_compare_and_swap<mode>): Likewise.
6796         (arm_sync_lock_test_and_setsi): Likewise.
6797         (arm_sync_lock_test_and_set<mode>): Likewise.
6798         (arm_sync_new_<sync_optab>si): Likewise.
6799         (arm_sync_new_nandsi): Likewise.
6800         (arm_sync_new_<sync_optab><mode>): Likewise.
6801         (arm_sync_new_nand<mode>): Likewise.
6802         (arm_sync_old_<sync_optab>si): Likewise.
6803         (arm_sync_old_nandsi): Likewise.
6804         (arm_sync_old_<sync_optab><mode>): Likewise.
6805         (arm_sync_old_nand<mode>): Likewise.
6806
6807 2010-09-13  Olivier Hainque  <hainque@adacore.com>
6808
6809         * fwprop.c (forward_propagate_and_simplify): Only attach a
6810         REG_EQUAL note to an insn if the destination is a register.
6811         * gcse.c (try_replace_reg): Likewise.
6812
6813 2010-09-13  Richard Guenther  <rguenther@suse.de>
6814
6815         PR tree-optimization/45611
6816         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fix typo.
6817         (copy_ref_info): Likewise.
6818
6819 2010-09-13  Alexandre Oliva  <aoliva@redhat.com>
6820
6821         PR debug/45604
6822         PR debug/45419
6823         PR debug/45408
6824         * tree-pretty-print.c (dump_generic_node): Disregard top-level
6825         types of MEM_REF pointer types to the same type.
6826
6827 2010-09-13  Hans-Peter Nilsson  <hp@axis.com>
6828
6829         PR rtl-optimization/41087
6830         * ifcvt.c (noce_get_condition): Don't allow conditions with
6831         side-effects.
6832
6833 2010-09-12  Anatoly Sokolov  <aesok@post.ru>
6834
6835         * config/frv/frv.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
6836         * config/frv/frv-protos.h (frv_register_move_cost): Remove.
6837         * config/frv/frv.c (frv_register_move_cost): Make static. Change
6838         arguments type to reg_class_t. Add mode argument.
6839         (frv_memory_move_cost): New.
6840         (TARGET_REGISTER_MOVE_COSTS, TARGET_MEMORY_MOVE_COSTS): Define.
6841
6842 2010-09-12  Bernd Schmidt  <bernds@codesourcery.com>
6843
6844         * config/arm/arm.md (arm_ashldi3_1bit, arm_ashrdi3_1bit,
6845         arm_lshrdi3_1bit): Put earlyclobber on the right alternative.
6846
6847 2010-09-10  Jan Hubicka  <jh@suse.cz>
6848
6849         * tree-ssa-ccp.c (fold_const_aggregate_ref): Do not check STATIC flag.
6850
6851 2010-09-10  Richard Guenther  <rguenther@suse.de>
6852
6853         * tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.
6854         * tree.h (TYPE_DEBUG_REPRESENTATION_TYPE): Remove.
6855         * lto-streamer-out.c (lto_output_ts_type_tree_pointers): Do
6856         not stream TYPE_DEBUG_REPRESENTATION_TYPE.
6857         * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Likewise.
6858
6859 2010-09-10  Richard Guenther  <rguenther@suse.de>
6860
6861         * dwarf2out.c (gen_array_type_die): Output DW_TAG_subrange_type
6862         for VECTOR_TYPEs using TYPE_VECTOR_SUBPARTS.
6863         * dbxout.c (dbxout_type): Manually deal with VECTOR_TYPE
6864         using TYPE_VECTOR_SUBPARTS, not TYPE_DEBUG_REPRESENTATION_TYPE.
6865
6866 2010-09-10  H.J. Lu  <hongjiu.lu@intel.com>
6867
6868         PR middle-end/45634
6869         * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result
6870         of string folding is of integral type.
6871
6872 2010-09-10  Ryan Mansfield  <rmansfield@qnx.com>
6873
6874         * doc/invoke.texi (-x): Fix typo.
6875
6876 2010-09-10  Richard Guenther  <rguenther@suse.de>
6877
6878         PR debug/44115
6879         * tree.c (free_lang_data_in_decl): Do not clear DECL_DEBUG_EXPR.
6880         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
6881         Output DECL_DEBUG_EXPR.
6882         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
6883         Input DECL_DEBUG_EXPR.
6884
6885 2010-09-10  Richard Guenther  <rguenther@suse.de>
6886
6887         * tree.c (type_hash_eq): For ARRAY_TYPEs also compare TYPE_SIZE.
6888         (build_index_type): Implement in terms of build_range_type.
6889         (build_range_type): Do not allow NULL_TREE type, improve
6890         hashing to cover more cases.  Set TYPE_STRUCTURAL_EQUALITY_P
6891         if we didn't hash.
6892         * c-decl.c (grokdeclarator): When modifying TYPE_SIZE manually
6893         create a distinct copy of the type.
6894
6895 2010-09-10  Kai Tietz  <kai.tietz@onevision.com>
6896
6897         * configure: Regenerated.
6898         * config.gcc: Add for x86_64 and i?86 mingw t-dfprule.
6899
6900 2010-09-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6901
6902         * config/arm/neon-schedgen.ml (allCores): Add support for Cortex-A9.
6903         * config/arm/cortex-a9-neon.md: New and partially generated.
6904         * config/arm/cortex-a9.md (cortex_a9_dp): Adjust for Neon.
6905
6906 2010-09-10  Richard Guenther  <rguenther@suse.de>
6907
6908         * tree.h (build_index_2_type): Remove.
6909         * tree.c (build_index_2_type): Remove.
6910
6911 2010-09-10  Jakub Jelinek  <jakub@redhat.com>
6912
6913         PR bootstrap/45630
6914         * dwarf2out.c (get_ref_die_offset_label): Use %ld instead of
6915         HOST_WIDE_INT_PRINT_DEC to print ref->die_offset.
6916         (implicit_ptr_descriptor): Return NULL if dwarf_strict.
6917
6918 2010-09-10  Martin Jambor  <mjambor@suse.cz>
6919
6920         PR tree-optimization/44972
6921         * tree-sra.c: Include toplev.h.
6922         (build_ref_for_offset): Entirely reimplemented.
6923         (build_ref_for_model): New function.
6924         (build_user_friendly_ref_for_offset): New function.
6925         (analyze_access_subtree): Removed build_ref_for_offset check.
6926         (propagate_subaccesses_across_link): Likewise.
6927         (create_artificial_child_access): Use
6928         build_user_friendly_ref_for_offset.
6929         (propagate_subaccesses_across_link): Likewise.
6930         (ref_expr_for_all_replacements_p): Removed.
6931         (generate_subtree_copies): Updated comment.  Use build_ref_for_model.
6932         (sra_modify_expr): Use build_ref_for_model.
6933         (load_assign_lhs_subreplacements): Likewise.
6934         (sra_modify_assign): Removed ref_expr_for_all_replacements_p checks,
6935         checks for return values of build_ref_for_offset.
6936         * ipa-cp.c (ipcp_lattice_from_jfunc): No need to check return value of
6937         build_ref_for_offset.
6938         * ipa-prop.h: Include gimple.h
6939         * ipa-prop.c (ipa_compute_jump_functions): Update to look for MEM_REFs.
6940         (ipa_analyze_indirect_call_uses): Update comment.
6941         * Makefile.in (tree-sra.o): Add $(GIMPLE_H) to dependencies.
6942         (IPA_PROP_H): Likewise.
6943
6944 2010-09-10  Martin Jambor  <mjambor@suse.cz>
6945
6946         PR tree-optimization/44972
6947         * ipa-prop.c (ipa_modify_call_arguments): Build MEM_REF instead of
6948         calling build_ref_for_offset.
6949
6950 2010-09-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6951
6952         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle Cortex-a15.
6953         * config/arm/arm-cores.def (cortex-a15): New core. Treat it as a v7-a.
6954         * config/arm/arm-tune.md: Regenerate.
6955         * doc/invoke.texi (ARM Options): Document it.
6956
6957 2010-09-09  Reza Yazdani  <reza.yazdani@amd.com>
6958
6959         * config/i386/i386.c: Include sched-int.h.
6960         (TARGET_SCHED_DISPATCH): Defined.
6961         (TARGET_SCHED_DISPATCH_DO): Defined.
6962         (DISPATCH_WINDOW_SIZE): Defined.
6963         (MAX_DISPATCH_WINDOWS): Defined.
6964         (MAX_INSN): Defined.
6965         (MAX_IMM): Defined.
6966         (MAX_IMM_SIZE): Defined.
6967         (MAX_IMM_32): Defined.
6968         (MAX_IMM_64): Defined.
6969         (MAX_LOAD): Defined.
6970         (MAX_STORE): Defined.
6971         (BIG): Defined.
6972         (dispatch_group): New.
6973         (num_allowable_groups): New.
6974         (group_name): New.
6975         (sched_insn_info_s): New.
6976         (dispatch_windows_s): New.
6977         (imm_info_s): New.
6978         (dispatch_window_list): New.
6979         (dispatch_window_list1): New.
6980         (get_mem_group): New.
6981         (is_cmp): New.
6982         (dispatch_violation): New.
6983         (is_branch): New.
6984         (is_prefetch): New.
6985         (init_window): New.
6986         (allocate_window): New.
6987         (init_dispatch_sched): New.
6988         (is_end_basic_block): New.
6989         (process_end_window): New.
6990         (allocate_next_window): New.
6991         (find_constant_1): New.
6992         (find_constant): New.
6993         (get_num_immediates): New.
6994         (has_immediate): New.
6995         (get_insn_path): New.
6996         (get_insn_group): New.
6997         (count_num_restricted): New.
6998         (fits_dispatch_window): New.
6999         (add_insn_window): New.
7000         (add_to_dispatch_window): New.
7001         (debug_dispatch_window_file): New.
7002         (debug_dispatch_window): New.
7003         (debug_insn_dispatch_info_file): New.
7004         (debug_ready_dispatch): New.
7005         (do_dispatch): New.
7006         (has_dispatch): New.
7007         * config/i386/i386.h (debug_ready_dispatch): Declared.
7008         (debug_dispatch_window): Declared.
7009         * config/i386/i386.opt (mdispatch-scheduler): New flag.
7010         * doc/tm.texi.in (TARGET_SCHED_DISPATCH): New.
7011         (TARGET_SCHED_DISPATCH_DO): New.
7012         * doc/tm.texi: Regererated.
7013         * haifa-sched.c (choose_ready): Call targetm.sched.dispatch and
7014         ready_remove_first_dispatch
7015         (schedule_block): Call targetm.sched.dispatch and
7016         targetm.sched.dispatch_do.
7017         (sched_init): Call targetm.sched.dispatch and
7018         targetm.sched.dispatch_do.
7019         (ready_remove_first_dispatch): New.
7020         (number_in_ready): New.
7021         (get_ready_element): New.
7022         * hooks.c (hook_bool_rtx_int_false): New.
7023         (hook_void_rtx_int): New.
7024         * hooks.h (hook_bool_rtx_int_false): Declared.
7025         (hook_void_rtx_int): Declared.
7026         * sched-int.h (IS_DISPATCH_ON): Defined.
7027         (IS_CMP): Defined.
7028         (DISPATCH_VIOLATION): Defined.
7029         (FITS_DISPATCH_WINDOW): Defined.
7030         (DISPATCH_INIT): Defined.
7031         (ADD_TO_DISPATCH_WINDOW): Defined.
7032         (get_ready_element): Declared.
7033         (number_in_ready): Declared.
7034         * target.def (dispatch): Defined.
7035         (dispatch_do): Defined.
7036
7037 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
7038
7039         PR middle-end/45312
7040         * reload1.c (merge_assigned_reloads): Remove.
7041         (reload_as_needed): Don't call it.
7042
7043 2010-09-09  Anatoly Sokolov  <aesok@post.ru>
7044
7045         * config/m32r/m32r.c (m32r_mode_dependent_address_p): New functions.
7046         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
7047         * config/m32r/m32r.h: (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
7048
7049 2010-09-09  Matthias Klose  <doko@ubuntu.com>
7050
7051         PR bootstrap/43847
7052         * configure.ac (--enable-plugin): Enhance for cross builds.
7053         * configure: Regenerate.
7054
7055 2010-09-09  Jan Hubicka  <jh@suse.cz>
7056
7057         PR tree-optimization/45598
7058         * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result of
7059         string folding is of integral type.
7060
7061 2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7062
7063         * configure.ac (gnu_indirect_function): New test.
7064         * configure: Rebuilt.
7065         * config.in (HAVE_GAS_INDIRECT_FUNCTION): New.
7066         * defaults.h (IFUNC_ASM_TYPE): Provide default.
7067
7068         * doc/extend.texi (Function Attributes): Document ifunc.
7069         * varasm.c (do_assemble_alias): Deal with ifuncs too.
7070
7071 2010-09-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
7072
7073         * config/picochip/picochip.c (picochip_reorg): Check for note_p for
7074         epilogue instruction move.
7075
7076 2010-09-09  Jan Hubicka  <jh@suse.cz>
7077
7078         * collect2.c (maybe_run_lto_and_relink): Rewrite code producing ld
7079         command line to allow more partitions than input files.
7080
7081 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
7082
7083         PR middle-end/44554
7084         * ira.c (ira): Switch off sharing spill slots if setjmp is called.
7085
7086 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
7087
7088         PR middle-end/40386
7089         * ira.c (pseudo_for_reload_consideration_p): Don't use
7090         flag_ira_share_spill_slots.
7091
7092 2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7093
7094         * config/s390/s390.c (legitimate_reload_constant_p): Accept floating-
7095         point zero operands that fit into a single GPR.
7096         (s390_preferred_reload_class): Ensure we only return general-purpose
7097         register classes.
7098         * config/s390/s390.md ("*mov<mode>_64dfp"): Use lghi to load
7099         floating-point zero operands into GPRs.
7100         ("*mov<mode>_64"): Likewise.
7101         ("mov<mode>"): Likewise using lhi.
7102
7103 2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7104
7105         * config/s390/s390.c (s390_symref_operand_p): Return false for
7106         literal pool references.
7107         (s390_check_qrst_address): Update caller.
7108
7109 2010-09-09  Uros Bizjak  <ubizjak@gmail.com>
7110
7111         * config/i386/predicates.md (ext_register_operand): Check that
7112         SUBREG_REG is really a register before looking for REGNO.
7113         (reg_not_xmm0_operand): Handle SUBREGs correctly.
7114         (nonimm_not_xmm0_operand): Call reg_not_xmm0_operand.
7115
7116 2010-09-09  Jakub Jelinek  <jakub@redhat.com>
7117
7118         * rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
7119         * rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
7120         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
7121         * print-rtl.c (print_rtx): Likewise.
7122         * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
7123         * cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
7124         for ADDR_EXPR with non-addressable object.
7125         * dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
7126         (struct dw_val_struct): Add v.val_decl_ref.
7127         (dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
7128         Handle DW_OP_GNU_implicit_pointer.
7129         (size_of_loc_descr): Likewise.  Fix up DW_OP_call_ref size.
7130         (get_ref_die_offset_label): New function.
7131         (implicit_ptr_descriptor): New function.
7132         (mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
7133         (loc_descriptor): Likewise.
7134         (gen_variable_die): Put even definitions into decl_die_table.
7135         (resolve_addr_in_expr): Resolve still unresolved
7136         DW_OP_GNU_implicit_pointer operands, if it can't be resolved
7137         return false.
7138         (dwarf2out_finish): Call output_location_lists after outputting
7139         .debug_info and .debug_abbrev instead of before.
7140
7141 2010-09-09  Roland McGrath  <roland@redhat.com>
7142
7143         * dwarf2out.c (DWARF_REF_SIZE): Define.
7144         (size_of_loc_descr): Use it for DW_OP_call_ref.
7145
7146 2010-09-09  Alan Modra  <amodra@gmail.com>
7147
7148         * doc/invoke.text: Reinstate mcmodel=medium.
7149         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7150         CMODEL_MEDIUM as default.
7151         * config/rs6000/rs6000.h (enum rs6000_cmodel): Add CMODEL_MEDIUM.
7152         * config/rs6000/rs6000.c (rs6000_handle_option): Add mcmodel=medium.
7153         (toc_relative_ok, offsettable_ok_by_alignment): New functions.
7154         (rs6000_emit_move): Reinstate mcmodel=medium optimization.
7155
7156 2010-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7157
7158         PR target/45250
7159         * config/pa/pa.md (nonlocal_goto): Restore hard frame pointer using
7160         hard_frame_pointer_rtx instead of virtual_stack_vars_rtx.
7161         (builtin_longjmp): Likewise.
7162         (allocate_stack): Use hard_frame_pointer_rtx instead of
7163         frame_pointer_rtx.
7164         * config/pa/pa-protos.h (pa_initial_elimination_offset): Declare.
7165         * config/pa/pa.c (pa_internal_arg_pointer): Declare.
7166         (pa_can_eliminate): Likewise.
7167         (TARGET_INTERNAL_ARG_POINTER): Define.
7168         (TARGET_CAN_ELIMINATE): Define.
7169         (hppa_expand_prologue): Use hard frame pointer instead of soft frame
7170         pointer.
7171         (hppa_expand_epilogue, pa_eh_return_handler_rtx): Likewise.
7172         (pa_internal_arg_pointer, pa_can_eliminate,
7173         pa_initial_elimination_offset): New.
7174         * config/pa/pa.h (FRAME_POINTER_REGNUM): Set to new general register.
7175         (HARD_FRAME_POINTER_REGNUM): Set to register three.
7176         (INITIAL_FRAME_POINTER_OFFSET): Delete.
7177         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET, DWARF_FRAME_REGISTERS):
7178         Define.
7179         (DWARF_ALT_FRAME_RETURN_COLUMN, REGNO_OK_FOR_INDEX_P,
7180         REGNO_OK_FOR_BASE_P): Update to include soft frame pointer.
7181         * config/pa/pa32-regs.h (FIRST_PSEUDO_REGISTER): Increase by one.
7182         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER,
7183         REG_CLASS_CONTENTS, REGNO_REG_CLASS, REGISTER_NAMES): Update to include
7184         new soft frame pointer.
7185         * config/pa/pa64-regs.h: Likewise.
7186
7187 2010-09-08  Uros Bizjak  <ubizjak@gmail.com>
7188
7189         * config/i386/i386.h (EH_RETURN_DATA_REGNO) Use DX_REG instead of
7190         numerical constant.
7191         (EH_RETURN_STACKADJ_RTX): Use CX_REG insted of numerical constant.
7192
7193 2010-09-08  Alexandre Oliva  <aoliva@redhat.com>
7194
7195         PR debug/45531
7196         * cfglayout.c (fixup_reorder_chain): Skip debug insns.
7197
7198 2010-09-08  Alexandre Oliva  <aoliva@redhat.com>
7199
7200         PR debug/45419
7201         PR debug/45408
7202         * tree-pretty-print.c (dump_generic_node): Disregard top-level
7203         qualifiers in otherwise equal MEM_REF pointer types.
7204         * fold-const.c (operand_equal_p): Compare pointer type of MEM_REFs.
7205         * tree.c (iterative_hash_expr): Hash the pointer type of MEM_REFs.
7206
7207 2010-09-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7208
7209         PR target/44392
7210         * config/arm/arm.md (bswapsi2): Handle condition correctly
7211         for armv6 and optimize_size.
7212
7213 2010-09-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7214
7215         PR other/18555
7216         * doc/cppopts.texi (-isysroot): Document Darwin behaviour.
7217
7218 2010-09-08  Uros Bizjak  <ubizjak@gmail.com>
7219
7220         * config/i386/i386-protos.h (ix86_can_use_return_insn_p,
7221         symbolic_reference_mentioned_p, ix86_expand_movmem, ix86_expand_setmem,
7222         ix86_expand_strlen, legitimate_pic_address_disp_p,
7223         ix86_binary_operator_ok, ix86_unary_operator_ok, ix86_match_ccmode,
7224         ix86_expand_int_movcc, ix86_expand_fp_movcc, ix86_expand_int_addcc,
7225         ix86_check_movabs, ix86_secondary_memory_needed): Change function
7226         prototype to bool.
7227         * config/i386/i386.c (return_in_memory_32, return_in_memory_64,
7228         return_in_memory_ms_64, ix86_check_movabs,
7229         symbolic_reference_mentioned_p, ix86_can_use_return_insn_p,
7230         legitimate_pic_address_disp_p, ix86_binary_operator_ok,
7231         ix86_unary_operator_ok, ix86_match_ccmode, ix86_expand_int_movcc,
7232         ix86_expand_fp_movcc, ix86_expand_int_addcc, ix86_expand_movmem,
7233         ix86_expand_setmem, ix86_expand_strlen, inline_secondary_memory_needed,
7234         ix86_secondary_memory_needed): Change to bool.  Return
7235         "true" and "false" values.
7236         * config/i386/i386.md: Return "true" and "false" values.
7237
7238 2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7239
7240         * doc/sourcebuild.texi (Effective-Target Keywords): Document
7241         run_expensive_tests.
7242
7243 2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7244
7245         * toplev.c (output_stack_usage): Use lbasename instead of basename.
7246
7247 2010-09-08  Martin Jambor  <mjambor@suse.cz>
7248
7249         PR other/45443
7250         * doc/invoke.texi: Add -fipa-cp-clone to list of switches turned on
7251         at -O3.
7252
7253 2010-09-08  Richard Guenther  <rguenther@suse.de>
7254
7255         * gimple.c (gimple_types, type_hash_cache): Move to GC memory.
7256         (visit): Adjust.
7257         (iterative_hash_gimple_type): Likewise.
7258         (gimple_type_hash): Likewise.
7259         (gimple_register_type): Likewise.
7260         (print_gimple_types_stats): Likewise.
7261         (free_gimple_type_tables): Likewise.
7262
7263 2010-09-08  Michael Matz  <matz@suse.de>
7264
7265         PR tree-optimization/43430
7266         * tree-vect-stmts.c (vectorizable_condition): Support multiple
7267         copies for conditional statements if it's not part of a reduction.
7268
7269 2010-09-08  Michael Matz  <matz@suse.de>
7270
7271         PR tree-optimization/33244
7272         * tree-ssa-sink.c (statement_sink_location): Don't sink into
7273         empty loop latches.
7274
7275 2010-09-08  Richard Guenther  <rguenther@suse.de>
7276
7277         PR tree-optimization/45578
7278         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr):
7279         Be more careful when transfering alignment information to
7280         the new induction variable.
7281         (copy_ref_info): Likewise.
7282
7283 2010-09-08  Richard Guenther  <rguenther@suse.de>
7284
7285         * tree.h (TYPE_ORIG_SIZE_TYPE): Remove.
7286         * c-typeck.c (comptypes_internal): Remove TYPE_ORIG_SIZE_TYPE checks.
7287
7288 2010-09-08  Arnaud Charlet  <charlet@adacore.com>
7289
7290         * c-tree.h, c-decl.c (build_enumerator): Add location parameter.
7291         * c-parser.c (c_parser_enum_specifier): Adjust call to build_enumerator.
7292
7293 2010-09-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
7294
7295         PR doc/45587
7296         * doc/md.texi: Fixed modes on several standard pattern names.
7297
7298 2010-09-08  Mingjie Xing  <mingjie.xing@gmail.com>
7299
7300         * config/mips/loongson.md (loongson_psll<V_suffix>): Rename to...
7301         (ashl<mode>3): ...this.
7302         (loongson_psra<V_suffix>): Rename to...
7303         (ashr<mode>3): ...this.
7304         (loongson_psrl<V_suffix>): Rename to...
7305         (lshr<mode>3): ...this.
7306         * config/mips/mips.c (CODE_FOR_loongson_psllh): Define.
7307         (CODE_FOR_loongson_psllw): Define.
7308         (CODE_FOR_loongson_psrlh): Define.
7309         (CODE_FOR_loongson_psrlw): Define.
7310         (CODE_FOR_loongson_psrah): Define.
7311         (CODE_FOR_loongson_psraw): Define.
7312
7313 2010-09-07  Richard Henderson  <rth@redhat.com>
7314
7315         * tree-vect-data-refs.c: Include tm_p.h.
7316         * Makefile.in (tree-vect-data-refs.o): Update deps.
7317         * config/i386/i386-protos.h (ix86_cfun_abi, ix86_function_type_abi):
7318         Move delarations outside #ifdef RTX_CODE.
7319
7320 2010-09-07  Richard Henderson  <rth@redhat.com>
7321
7322         * final.c (rest_of_handle_final): Unconditionally do
7323         output_function_exception_table before assemble_end_function.
7324
7325 2010-09-07  Jan Hubicka  <jh@suse.cz>
7326
7327         * tree-inline.c (tree_inlinable_function_p): Do not test
7328         DECL_REPLACEABLE_P.
7329         * ipa-inline.c (cgraph_default_inline_p, update_caller_keys,
7330         update_callee_keys, cgraph_decide_inlining): Test function availability.
7331         * cif-code.def (OVERWRITABLE): New code.
7332
7333 2010-09-07  H.J. Lu  <hjl.tools@gmail.com>
7334             Jack Howarth  <howarth@bromo.med.uc.edu>
7335
7336         PR target/36502
7337         PR target/42313
7338         PR target/44651
7339         * config/i386/darwin.h (STACK_BOUNDARY): Redefine as 128 for
7340         profiling or 64-bit MS_ABI and as BITS_PER_WORD otherwise.
7341         (PREFERRED_STACK_BOUNDARY): Replace STACK_BOUNDARY with 128 in
7342         MAX macro.
7343
7344 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
7345
7346         * unwind-dw2-fde-glibc.c: Include <elf.h> for DT_CONFIG.
7347         Include <link.h> only if USE_PT_GNU_EH_FRAME is defined.
7348
7349 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
7350
7351         * config.gcc: Don't append t-android for Android targets.
7352
7353         * config/t-android: Removed.
7354
7355 2010-09-07  Richard Henderson  <rth@redhat.com>
7356
7357         * target.def (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): New hook.
7358         * doc/tm.texi.in: Add doc marker.
7359         * doc/tm.texi: Rebuild.
7360         * except.c (switch_to_exception_section): Always build.
7361         (output_one_function_exception_table): Move section switch,
7362         personality output, and label output ...
7363         (output_function_exception_table): ... here.  Use the new
7364         personality hook.
7365
7366         * config/ia64/ia64.c (ia64_asm_emit_except_personality,
7367         ia64_asm_init_sections, TARGET_ASM_EMIT_EXCEPT_PERSONALITY,
7368         TARGET_ASM_INIT_SECTIONS): New.
7369         (ia64_asm_unwind_emit): Rename from process_for_unwind_directive,
7370         make static.
7371         (TARGET_ASM_UNWIND_EMIT): Update to match.
7372         * config/ia64/ia64-protos.h (process_for_unwind_directive): Remove.
7373
7374         * config/arm/arm.c (arm_asm_emit_except_personality): New.
7375         (arm_asm_init_sections): New.
7376         (TARGET_ASM_EMIT_EXCEPT_PERSONALITY, TARGET_ASM_INIT_SECTIONS): New.
7377
7378 2010-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7379
7380         * config/arm/arm.md: Remove unused variable.
7381
7382 2010-09-07  Anatoly Sokolov  <aesok@post.ru>
7383
7384         * config/m32r/m32r.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
7385         * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Define.
7386         (m32r_memory_move_cost): New function.
7387
7388 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
7389
7390         * config.gcc: Append t-android for Android targets.
7391
7392         * config/t-android: New.
7393
7394 2010-09-07  Richard Henderson  <rth@redhat.com>
7395
7396         * target.def (unwind_emit_before_insn): New hook.
7397         * doc/tm.texi.in: Add @hook marker for it.
7398         * doc/tm.texi: Rebuild.
7399         * final.c (final_scan_insn): Respect unwind_emit_before_insn.
7400
7401 2010-09-07  Martin Jambor  <mjambor@suse.cz>
7402
7403         PR fortran/43665
7404         * ipa-cp.c (ipcp_versionable_function_p): Return false if there
7405         are any type attributes.
7406
7407 2010-09-07  Jan Hubicka  <jh@suse.cz>
7408
7409         * tree-ssa-ccp.c (fold_const_aggregate_ref): Fix handling of
7410         array_ref_low_bound in string access folding.
7411
7412 2010-09-07  Uros Bizjak  <ubizjak@gmail.com>
7413
7414         PR target/45206
7415         * config/i386/i386.c (ix86_expand_epilogue): Mark SP as valid after
7416         eh_return fixup sequence.
7417
7418 2010-09-07  Jan Hubicka  <jh@suse.cz>
7419
7420         * gimple-fold.c (maybe_fold_reference): Verify that operand is
7421         gimple_min_invariant.
7422
7423 2010-09-07  Richard Guenther  <rguenther@suse.de>
7424
7425         PR middle-end/45569
7426         * tree-eh.c (operation_could_trap_helper_p): Neither COMPLEX_EXPR
7427         nor CONSTRUCTOR can trap.
7428         * tree-complex.c (update_complex_assignment): Update EH info.
7429
7430 2010-09-07  Richard Guenther  <rguenther@suse.de>
7431
7432         PR middle-end/45569
7433         * tree-cfg.c (build_gimple_cfg): Remove redundant stmt verification.
7434         * passes.c (execute_function_todo): Do not verify anything if
7435         we saw errors.
7436
7437 2010-09-07  Richard Guenther  <rguenther@suse.de>
7438
7439         * tree-pretty-print.c (dump_generic_node): Dump void types as void.
7440
7441 2010-09-07  Bernd Schmidt  <bernds@codesourcery.com>
7442
7443         PR target/43137
7444         * config/arm/iterators.md (qhs_zextenddi_cond, qhs_sextenddi_cond):
7445         New define_mode_attrs.
7446         * config/arm/arm.md (zero_extendsidi2, arm_zero_extendsidi2,
7447         arm_exxtendsidi2, arm_extendsidi2): Delete patterns.
7448         (zero_extend<mode>di2, extend<mode>di2 and related splits): New.
7449         (thumb1_zero_extendhisi2): Remove code to handle LABEL_REFs.
7450         Remove pool_range attribute.
7451         (arm_zero_extendhisi2, arm_zero_extendhisi2_v6, arm_zero_extendqisi2,
7452         arm_zero_extendqisi2_v6, thumb1_zero_extendqisi2_v6): Remove
7453         pool_range and neg_pool_range attributes.
7454         * config/arm/thumb2.md (thumb2_zero_extendsidi2,
7455         thumb2_zero_extendhidi2, thumb2_zero_extendqidi2, thumb2_extendsidi2,
7456         thumb2_extendhidi2, thumb2_extendqidi2): Delete.
7457
7458 2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>
7459
7460         * config/i386/linux-unwind.h (x86_fallback_frame_state): Properly
7461         check glibc.
7462
7463 2010-09-06  Uros Bizjak  <ubizjak@gmail.com>
7464
7465         PR target/22152
7466         * config/i386/mmx.md (*mov<mode>_internal_rex64,
7467         *mov<mode>_internal_avx, *mov<mode>_internal,
7468         *movv2sf_internal_rex64_avx, *movv2sf_internal_rex64,
7469         *movv2sf_internal_avx, *movv2sf_internal): Split out !y-!y alternative.
7470
7471 2010-09-06  Mark Mitchell  <mark@codesourcery.com>
7472
7473         * c-typeck.c (do_warn_double_promotion): Remove.
7474         * doc/invoke.texi (-Wdouble-promotion): Note available for C++ and
7475         Objective-C++ too.
7476
7477 2010-09-06  Anatoly Sokolov  <aesok@post.ru>
7478
7479         * config/frv/frv.h (CLASS_LIKELY_SPILLED_P): Remove.
7480         * config/frv/frv-protos.h (frv_class_likely_spilled_p): Remove.
7481         * config/frv/frv.c (frv_class_likely_spilled_p): Make static. Change
7482         argument type to reg_class_t. Change result type to bool.
7483         (TARGET_CLASS_LIKELY_SPILLED_P): Define.
7484
7485 2010-09-06  Nicola Pero  <nicola.pero@meta-innovation.com>
7486
7487         PR libobjc/19850
7488         * gthr-posix.h (__gthread_objc_thread_detach): Use
7489         _objc_thread_attribs when detaching a thread.
7490         * gthr-posix95.h (__gthread_objc_thread_detach): Same change.
7491
7492 2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>
7493
7494         PR target/45524
7495         * configure.ac (enable_decimal_float): Set to $default_decimal_float.
7496         * configure: Regenerated.
7497
7498 2010-09-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7499
7500         * combine.c (try_combine): Set subst_low_luid to i0.
7501
7502 2010-09-06  Richard Guenther  <rguenther@suse.de>
7503
7504         * tree.def (MISALIGNED_INDIRECT_REF): Remove.
7505         * tree.h (INDIRECT_REF_P): Only check for INDIRECT_REF.
7506         (build_aligned_type): Declare.
7507         * tree.c (check_qualified_type): Also compare TYPE_ALIGN.
7508         (check_aligned_type): New function.
7509         (build_aligned_type): Likewise.
7510         * expr.c (expand_assignment): Handle misaligned stores via
7511         TARGET_MEM_REF and MEM_REF using movmisalign_optab.
7512         (expand_expr_real_1): Likewise.
7513         (safe_from_p): Remove MISALIGNED_INDIRECT_REF handling.
7514         * tree-vect-stmts.c (vectorizable_store): Do not build
7515         MISALIGNED_INDIRECT_REF but initialize alignment information.
7516         (vectorizable_load): Likewise.
7517         * builtins.c (get_object_alignment): Remove MISALIGNED_INDIRECT_REF
7518         handling.
7519         * cfgexpand.c (expand_debug_expr): Likewise.
7520         * dwarf2out.c (loc_list_from_tree): Likewise.
7521         * fold-const.c (maybe_lvalue_p): Likewise.
7522         (operand_equal_p): Likewise.
7523         (build_fold_addr_expr_with_type_loc): Likewise.
7524         * gimplify.c (gimplify_addr_expr): Likewise.
7525         (gimplify_expr): Likewise.
7526         * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
7527         (verify_gimple_assign_single): Likewise.
7528         * tree-dump.c (dequeue_and_dump): Likewise.
7529         (tree_could_trap_p): Likewise.
7530         * tree-predcom.c (ref_at_iteration): Likewise.
7531         * tree-pretty-print.c (dump_generic_node): Likewise.
7532         (op_code_prio): Likewise.
7533         (op_symbol_code): Likewise.
7534         * tree-ssa-ccp.c (get_value_from_alignment): Likewise.
7535         * tree-ssa-loop-im.c (for_each_index): Likewise.
7536         (gen_lsm_tmp_name): Likewise.
7537         * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
7538         (find_interesting_uses_address): Likewise.
7539         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
7540         * tree-ssa-operands.c (get_expr_operands): Likewise.
7541         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
7542         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7543         (ao_ref_init_from_vn_reference): Likewise.
7544         * tree.c (staticp): Likewise.
7545         (build1_stat): Likewise.
7546         (reference_alias_ptr_type): Likewise.
7547         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7548         * config/rs6000/rs6000.c (rs6000_check_sdmode): Remove
7549         MISALIGNED_INDIRECT_REF handling.
7550
7551 2010-09-06  Richard Guenther  <rguenther@suse.de>
7552
7553         PR tree-optimization/45534
7554         * tree-ssa-address.c (create_mem_ref_raw): Add verify parameter.
7555         (create_mem_ref): Do verify the created TARGET_MEM_REF is valid
7556         on the target.
7557         (maybe_fold_tmr): Do not verify the created TARGET_MEM_REF is
7558         valid on the target.
7559
7560 2010-09-06  Andreas Schwab  <schwab@redhat.com>
7561
7562         * configure.ac: Quote argument of AC_MSG_WARN.
7563         * configure: Regenerate.
7564
7565 2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
7566
7567         * sel-sched.c (move_cond_jump): Correct arguments to
7568         maybe_tidy_empty_bb.
7569         * sel-sched-ir.c (maybe_tidy_empty_bb): Export.
7570
7571 2010-09-06  Andrey Belevantsev  <abel@ispras.ru>
7572
7573         PR rtl-optimization/44919
7574         * sel-sched.c (move_cond_jump): Remove assert, check that
7575         the several blocks case can only happen with mutually exclusive
7576         insns instead.  Rewrite the movement code to support moving through
7577         several basic blocks.
7578
7579 2010-09-06  Uros Bizjak  <ubizjak@gmail.com>
7580
7581         * config/i386/i386.md (iptrsize): New mode attribute.
7582         (tp_seg): Ditto.
7583         (*load_tp_<mode>): Macroize insn from *load_tp_{si,di} using P
7584         mode iterator.
7585         (*add_tp_<mode>): Ditto from *add_tp_{si,di}.
7586         (stack_protect_set_<mode>): Ditto from stack_protect_set_{si,di}.
7587         (stack_protect_test_<mode>): Ditto from stack_protect_test_{si,di}.
7588         (stack_tls_protect_set_<mode>): Ditto from
7589         stack_tls_protect_set_{si,di}.  Use %@ to output segment register
7590         of thread base pointer load.
7591         (stack_tls_protect_test_<mode>): Ditto from
7592         stack_tls_protect_test_{si,di}.  Use %@ to output segment register
7593         of thread base pointer load.
7594         (stack_protect_set): Rewrite using indirect functions.
7595         (stack_protect_test): Ditto.
7596         * config/i386/i386.c (ix86_print_operand_punct_valid): Add '@'.
7597         (ix86_print_operand): Handle '@'.
7598
7599 2010-09-05  Giuseppe Scrivano  <gscrivano@gnu.org>
7600
7601         * tree-tailcall.c (process_assignment): Handle NEGATE_EXPR and
7602         MINUS_EXPR.
7603
7604 2010-09-05  Mark Mitchell  <mark@codesourcery.com>
7605
7606         * doc/invoke.texi: Document -Wdouble-promotion.
7607         * c-typeck.c (convert_arguments): Check for implicit conversions
7608         from float to double.
7609         (do_warn_double_promotion): New function.
7610         (build_conditional_expr): Use it.
7611         (build_binary_op): Likewise.
7612
7613 2010-09-05  Richard Guenther  <rguenther@suse.de>
7614
7615         PR tree-optimization/45535
7616         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
7617         handle TMR_INDEX2.  Make sure TMR_INDEX is not NULL before
7618         dereferencing it.
7619         (indirect_refs_may_alias_p): Likewise.
7620
7621 2010-09-05  Naveen H.S  <naveen.S@kpitcummins.com>
7622
7623         * config/sh/sh.c (sh_option_override): Make static.
7624         Adjust comments.  Declare.
7625         (sh_function_value_regno_p): Likewise.
7626         (sh_register_move_cost): Modify the arguments, make static.
7627         Adjust comments.  Declare.
7628         (TARGET_OPTION_OVERRIDE, TARGET_REGISTER_MOVE_COST
7629         TARGET_FUNCTION_VALUE_REGNO_P): Define.
7630         * config/sh/sh.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P
7631         REGISTER_MOVE_COST): Delete.
7632         * config/sh/sh-protos.h (sh_override_options): Delete.
7633         (sh_register_move_cost): Delete.
7634         (sh_function_value_regno_p): Delete.
7635
7636 2010-09-04  Anatoly Sokolov  <aesok@post.ru>
7637
7638         * config/m32r/m32r.c (m32r_function_value, m32r_libcall_value,
7639         m32r_function_value_regno_p): New functions.
7640         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
7641         TARGET_FUNCTION_VALUE_REGNO_P): Declare.
7642         * config/m32r/m32r.h: (FUNCTION_VALUE, LIBCALL_VALUE,
7643         FUNCTION_VALUE_REGNO_P): Remove.
7644
7645 2010-09-04  Jan Hubicka  <jh@suse.cz>
7646
7647         * gimple-fold.c (maybe_fold_reference): Use fold_const_aggregate_ref.
7648         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use
7649         fold_read_from_constant_string.
7650
7651         * gimple.h (canonicalize_constructor_val): Declare.
7652         * gimple-fold.c (canonicalize_constructor_val): New function.
7653         (get_symbol_constant_value):Use it.
7654         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7655
7656 2010-09-04  Jan Hubicka  <jh@suse.cz>
7657
7658         * tree-switch-conversion.c (build_one_array): Set constructor to be
7659         static.
7660         * varpool.c (varpool_finalize_decl): Compute const_value_known.
7661
7662 2010-09-04  Richard Guenther  <rguenther@suse.de>
7663
7664         PR bootstrap/45519
7665         * tree-flow.h (force_gimple_operand_1): Declare.
7666         (force_gimple_operand_gsi_1): Likewise.
7667         * gimplify.c (force_gimple_operand_1): New worker taking a
7668         gimple predicate for ...
7669         (force_gimple_operand): ... which now wraps it.
7670         (force_gimple_operand_gsi_1, force_gimple_operand_gsi): Likewise.
7671         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Revert
7672         last change.
7673         * tree-ssa-address.c (gimplify_mem_ref_parts): Use
7674         force_gimple_operand_gsi_1 with is_gimple_mem_ref_addr.
7675         (create_mem_ref): Likewise.
7676
7677 2010-09-04  Uros Bizjak  <ubizjak@gmail.com>
7678
7679         * config/i386/predicates.md (sse_reg_operand): New predicate.
7680         * config/i386/i386.md (TFmode push splitter): Use sse_reg_operand
7681         predicate for operand 1.
7682         (XFmode push splitter): Use fp_register_operand predicate
7683         for operand 1.
7684         (*dummy_extendsfdf2, *dummy_extendsfxf2): Remove disabled patterns.
7685         (SF-DF float_extend push splitter): Add reload_completed insn
7686         predicate.
7687         ({SF,DF}-XF float_extend_push splitter): Macroize splitter using
7688         MODEF mode macro.  Add reload_completed insn predicate.
7689
7690 2010-09-04  Paolo Bonzini  <bonzini@gnu.org>
7691
7692         * df.h (enum df_ref_class): Remove DF_REF_EXTRACT.
7693         (struct df_extract_ref): Remove.
7694         (union df_ref_d): Remove extract_ref member.
7695         (df_ref_create): Remove last three arguments.
7696         (DF_REF_LOC): Remove DF_REF_EXTRACT case.
7697         * df-scan.c (df_ref_record): Remove last three arguments, do not
7698         pass them to df_ref_create_structure.
7699         (df_uses_record): Remove first and last three arguments.  Replace
7700         first argument with DF_REF_REGULAR, adjust calls to remove the
7701         width, offset and mode.  Always call recursively on the second
7702         and third argument of ZERO_EXTRACT and SIGN_EXTRACT.
7703         (df_ref_create_structure): Remove first argument.
7704         (struct df_scan_problem_data): Remove ref_extract_pool.
7705         (df_scan_free_internal): Do not free it.
7706         (df_scan_alloc): Do not allocate it.
7707         (df_ref_create): Remove last three arguments, do not pass them to
7708         df_ref_create_structure.
7709         (df_free_ref): Remove DF_REF_EXTRACT case.
7710         (df_notes_rescan): Adjust call to df_uses_record.
7711         (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
7712         Remove DF_REF_EXTRACT case.
7713         (df_def_record_1): Do not special case class for a ZERO_EXTRACT lhs.
7714         Adjust calls to df_ref_record, using DF_REF_REGULAR for all REG
7715         and SUBREG definitions.
7716         (df_get_conditional_uses): Remove references to width/offset/mode,
7717         adjust call to df_ref_create_structure.
7718         (df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
7719         df_entry_block_defs_collect, df_exit_block_uses_collect): Adjust
7720         calls to df_uses_record and df_ref_record.
7721         * fwprop.c (update_df): Remove references to width/offset/mode,
7722         adjust call to df_ref_create.
7723
7724 2010-09-03  Jan Hubicka  <jh@suse.cz>
7725
7726         * ipa.c (build_cdtor): Take VECtor as argument; fix array walk.
7727         (build_cdtor_fns): Update use of build_cdtor.
7728
7729 2010-09-03  Joseph Myers  <joseph@codesourcery.com>
7730
7731         * doc/options.texi (SeparateAlias): Document.
7732         * opt-functions.awk (switch_flags): Handle SeparateAlias.
7733         * opth-gen.awk: Generate enumeration names for options marked
7734         SeparateAlias, but not for those marked Ignore.
7735         * opts-common.c (generate_canonical_option): Don't output separate
7736         argument for options marked CL_SEPARATE_ALIAS.
7737         (decode_cmdline_option): Handle CL_SEPARATE_ALIAS.
7738         * opts.h (CL_SEPARATE_ALIAS): New.
7739         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
7740         CL_COMMON): Adjust definitions.
7741         * config/i386/darwin.opt, config/mips/sde.opt: New.
7742         * common.opt (fdump-final-insns): New.
7743         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
7744         i386/darwin.opt.
7745         (mips*-sde-elf*): Add mips/sde.opt.
7746         * config/mips/sde.h (DRIVER_SELF_SPECS): Don't handle
7747         -mno-data-in-code and -mcode-xonly here.
7748         * defaults.h (DEFAULT_SWITCH_TAKES_ARG): Add 'd'.
7749         * gcc.c (option_map): Add "j" to --dump entry.
7750         (translate_options): Don't translate -d to -foutput-class-dir= here.
7751
7752 2010-09-03  Sebastian Pop  <sebastian.pop@amd.com>
7753
7754         * tree-data-ref.c (dr_may_alias_p): Replace !DR_IS_READ with
7755         DR_IS_WRITE.
7756         (compute_all_dependences): Same.
7757         (create_rdg_edge_for_ddr): Same.
7758         * tree-data-ref.h (DR_IS_WRITE): New.
7759         (ddr_is_anti_dependent): Replace !DR_IS_READ with DR_IS_WRITE.
7760         * tree-if-conv.c (write_memrefs_written_at_least_once): Same.
7761         (write_memrefs_written_at_least_once): Same.
7762         * tree-predcom.c (suitable_component_p): Same.
7763         (determine_roots_comp): Same.
7764         (execute_load_motion): Same.
7765         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Same.
7766         (vect_enhance_data_refs_alignment): Same.
7767         (vect_analyze_group_access): Same.
7768
7769 2010-09-03  Joern Rennecke  <joern.rennecke@embecosm.com>
7770
7771         PR testsuite/42843
7772         * Makefile.in (PLUGINCC): Define in terms of @CC@ / @CXX@
7773         (PLUGINCFLAGS): Define in terms of @CFLAGS@ / @CXXFLAGS@
7774
7775 2010-09-03  Marcin Baczynski  <marbacz@gmail.com>
7776
7777         * dwarf2out.c (file scope): Remove #if0'd code.
7778         (gen_subprogram_die): Same.
7779
7780 2010-09-03  Jakub Jelinek  <jakub@redhat.com>
7781
7782         PR middle-end/45484
7783         * dwarf2out.c (flush_queued_reg_saves): Rename to...
7784         (dwarf2out_flush_queued_reg_saves): ... this.  No longer static.
7785         (dwarf2out_frame_debug_expr, dwarf2out_frame_debug): Adjust callers.
7786         * dwarf2out.h (dwarf2out_flush_queued_reg_saves): New prototype.
7787         * config/i386/i386.c (output_set_got): Call it.
7788
7789 2010-09-03  Michael Matz  <matz@suse.de>
7790
7791         PR middle-end/45415
7792         * tree-sra.c (sra_modify_assign): If we modify the statement,
7793         say so.
7794
7795         * tree-ssa.c (verify_ssa): Check number of operands and links
7796         per statement to agree.
7797
7798 2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
7799             Iain Sandoe  <iains@gcc.gnu.org>
7800
7801         PR target/45476
7802         * config/i386/t-darwin (LIB2FUNCS_EXCLUDE): New.
7803         * config/i386/darwin.h (LIBGCC2_HAS_TF_MODE,
7804         LIBGCC2_TF_CEXT, TF_SIZE): New defines.
7805
7806 2010-09-03  Richard Guenther  <rguenther@suse.de>
7807
7808         * lto-streamer-out.c (output_function): Output function
7809         start and end loci.
7810         * lto-streamer-in.c (input_function): Input function start
7811         and end loci.
7812
7813 2010-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7814
7815         * configure.ac: Use the GCC_AC_ENABLE_DECIMAL_FLOAT macro.
7816         * Makefile.in: Add aclocal.m4 dependency to dfp.m4.
7817         * configure: Regenerate.
7818         * aclocal.m4: Regenerate.
7819
7820 2010-09-03  Jan Hubicka  <jh@suse.cz>
7821
7822         PR lto/44812
7823         * lto-cgraph.c (intput_node, input_varpool_node): Set DECL_EXTERNAL
7824         on functions/variables in other partition.
7825
7826 2010-09-03  Jan Hubicka  <jh@suse.cz>
7827
7828         * cgraph.h (struct varpool_node): Add const_value_known.
7829         (varpool_decide_const_value_known): Declare.
7830         * tree-ssa-ccp.c (fold_const_aggregate_ref): Update initializer folding.
7831         * lto-cgraph.c (lto_output_varpool_node): Store const_value_known.
7832         (input_varpool_node): Restore const_value_known.
7833         * tree-ssa-loop-ivcanon (constant_after_peeling): Check varpool for
7834         initializer folding.
7835         * ipa.c (ipa_discover_readonly_nonaddressable_var,
7836         function_and_variable_visibility): Compute const_value_known.
7837         * gimple-fold.c (get_symbol_constant_value): Use varpool for
7838         initializer folding.
7839         * varpool.c (varpool_decide_const_value_known): New function.
7840
7841 2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
7842
7843         * config/i386/i386.md: Remove empty preparation statements
7844         from splitters.
7845
7846 2010-09-03  Jan Hubicka  <jh@suse.cz>
7847
7848         * passes.c (rest_of_decl_compilation): Do not add local vars into
7849         varpool.
7850         * varpool.c (varpool_get_node, varpool_node): Sanity check that only
7851         static or extern vars are in varpool.
7852         (varpool_finalize_decl): Sanity check that only static vars are
7853         finalized.
7854
7855 2010-09-03  Jakub Jelinek  <jakub@redhat.com>
7856
7857         PR debug/45500
7858         * dwarf2out.c (rtl_for_decl_init): Give up for all generic vectors,
7859         not just generic vectors with BLKmode.
7860
7861 2010-09-03  Richard Guenther  <rguenther@suse.de>
7862
7863         * tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE.
7864         Move TMR_OFFSET to second operand.  Add TMR_INDEX2.
7865         * tree.h (TMR_SYMBOL): Remove.
7866         (TMR_BASE, TMR_OFFSET): Adjust.
7867         (TMR_INDEX2): New.
7868         * alias.c (ao_ref_from_mem): Use TMR_BASE.
7869         * builtins.c (get_object_alignment): Merge TMR_BASE and
7870         TMR_SYMBOL handling.
7871         * cfgexpand.c (expand_debug_expr): Use TMR_BASE.
7872         * gimple.c (get_base_address): Merge MEM_REF and TARGET_MEM_REF
7873         handling.  Also allow TARGET_MEM_REF as base address.
7874         (walk_stmt_load_store_addr_ops): TMR_BASE is always non-NULL.
7875         * gimplify.c (gimplify_expr): Gimplify TMR_BASE like MEM_REF
7876         base.  Gimplify TMR_INDEX2.
7877         * tree-cfg.c (verify_types_in_gimple_reference): Adjust.
7878         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7879         (get_addr_base_and_unit_offset): Likewise.
7880         * tree-eh.c (tree_could_trap_p): Likewise.
7881         * tree-pretty-print.c (dump_generic_node): Likewise.
7882         * tree-ssa-address.c (tree_mem_ref_addr): Simplify.  Handle TMR_INDEX2.
7883         (create_mem_ref_raw): Merge symbol and base.  Move 2ndary
7884         base to index2.
7885         (get_address_description): Reconstruct addres description
7886         from merged TMR_BASE and TMR_INDEX2.
7887         (maybe_fold_tmr): Fold propagated addresses.
7888         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Merge
7889         MEM_REF and TARGET_MEM_REF paths.
7890         (indirect_refs_may_alias_p): Likewise.
7891         * tree-ssa-live.c (mark_all_vars_used_1): Handle TMR_INDEX2
7892         instead of TMR_SYMBOL.
7893         * tree-ssa-operands.c (get_tmr_operands): Simplify.
7894         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Adjust
7895         according to changes ...
7896         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): ... here.
7897         Split TARGET_MEM_REF into two fields plus the base.
7898         * tree.c (mem_ref_offset): Simplify.
7899         * tree-ssa-loop-im.c (for_each_index): Handle TMR_INDEX2.
7900         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
7901         Strip NOPs when folding MEM_REF addresses.
7902         * tree-ssa-sink.c (is_hidden_global_store): Handle TARGET_MEM_REF.
7903         * gimple-fold.c (maybe_fold_reference): Fold TARGET_MEM_REF here ...
7904         (fold_gimple_assign): ... not here.
7905
7906 2010-09-03  Mingjie Xing  <mingjie.xing@gmail.com>
7907
7908         * config/mips/mips.h (SHIFT_COUNT_TRUNCATED): Change the definition.
7909         * config/mips/mips.c (mips_shift_truncation_mask): New function.
7910         (TARGET_SHIFT_TRUNCATION_MASK): Define.
7911
7912 2010-09-02  Richard Henderson  <rth@redhat.com>
7913
7914         * configure.ac (gcc_cv_as_cfi_advance_working): Use objdump
7915         instead of readelf in the test.
7916         (gcc_cv_as_cfi_sections_directive): Check for correct relocation
7917         in the .debug_frame section for coff targets.
7918         * configure: Rebuild.
7919
7920 2010-09-02  Anatoly Sokolov  <aesok@post.ru>
7921
7922         * config/m32c/m32c.h (CLASS_LIKELY_SPILLED_P): Remove.
7923         * config/m32c/m32c-protos.h (m32c_class_likely_spilled_p): Remove.
7924         * config/m32c/m32c.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
7925         (m32c_class_likely_spilled_p): Make static. Change argument type to
7926         reg_class_t. Change result type to bool.
7927
7928 2010-09-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7929
7930         * config/rs6000/rs6000.opt (-mfriz): New switch to control whether
7931         to convert (double)(long) into a single FRIZ instruction or not
7932         when -ffast-math is used.
7933
7934         * config/rs6000/vsx.md (VSX_DF): New iterator for DF/V2DF modes.
7935         (vsx_float_fix_<mode>2): Optimize (double)(long) into X{S,V}RDPIZ
7936         or FRIZ instruction if -ffast-math.
7937         * config/rs6000/rs6000.md (friz): Ditto.
7938
7939         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mfriz.
7940
7941 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
7942
7943         * opth-gen.awk (quote, comma): Remove unused variables.
7944
7945 2010-09-02  Ryan Mansfield  <rmansfield@qnx.com>
7946
7947         * arm.c (arm_override_options): Correct fall-back code to use
7948         SUBTARGET_CPU_DEFAULT.
7949
7950 2010-09-02  Julian Brown  <julian@codesourcery.com>
7951
7952         * config/arm/neon.md (UNSPEC_VCLE, UNSPEC_VCLT): New constants for
7953         unspecs.
7954         (vcond<mode>, vcondu<mode>): New expanders.
7955         (neon_vceq<mode>, neon_vcge<mode>, neon_vcgt<mode>): Support
7956         comparisons with zero.
7957         (neon_vcle<mode>, neon_vclt<mode>): New patterns.
7958         * config/arm/constraints.md (Dz): New constraint.
7959
7960 2010-09-02  Anatoly Sokolov  <aesok@post.ru>
7961
7962         * target.def (class_likely_spilled_p): New hook.
7963         * doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Document.
7964         * doc/tm.texi: Regenerate.
7965         * targhooks.c (default_class_likely_spilled_p): New function.
7966         * targhooks.h (default_class_likely_spilled_p): Declare.
7967         * regs.h (CLASS_LIKELY_SPILLED_P): Remove.
7968         * combine.c (cant_combine_insn_p, likely_spilled_retval_p): Use
7969         TARGET_CLASS_LIKELY_SPILLED_P target hook. Use HARD_REGISTER_P macro.
7970         Use fixed_reg_set instead of fixed_regs.
7971         * cse.c (hash_rtx_cb): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
7972         * calls.c (avoid_likely_spilled_reg): Ditto.
7973         * ira-conflicts.c (ira_build_conflicts): Ditto.
7974         * ira.c (update_equiv_regs): Ditto.
7975         * mode-switching.c (create_pre_exit): Ditto.
7976         * regmove.c (find_matches): Ditto.
7977         (regclass_compatible_p): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
7978         * reload.c (SMALL_REGISTER_CLASS_P): Remove macro.
7979         (small_register_class_p): New inline function.
7980         (push_secondary_reload, find_reusable_reload, find_reloads): Use
7981         small_register_class_p instead of SMALL_REGISTER_CLASS_P.
7982
7983         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Remove.
7984         * config/i386/i386.c (ix86_class_likely_spilled_p): New.
7985         (TARGET_CLASS_LIKELY_SPILLED_P): Define.
7986
7987 2010-09-02  Richard Guenther  <rguenther@suse.de>
7988
7989         PR tree-optimization/44937
7990         PR tree-optimization/45412
7991         * ipa-split.c (split_function): Properly remove PHI nodes.
7992
7993 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
7994
7995         * opts.h (struct cl_option): Add warn_message field.
7996         (struct cl_decoded_option): Add warn_message field.
7997         * doc/options.texi (Ignore, Warn): Document.
7998         * opt-functions.awk (needs_state_p): Don't consider aliases or
7999         ignored options to need state saved.
8000         * optc-gen.awk: Handle Warn and Ignore.
8001         * opth-gen.awk: Output OPT_SPECIAL_ignore.
8002         * opts-common.c (decode_cmdline_option): Set warn_message field.
8003         Handle ignored options.
8004         (decode_cmdline_options_to_array, generate_option,
8005         generate_option_input_file): Set warn_message field.
8006         (read_cmdline_option): Generate warnings from warn_message field.
8007         Handle ignored options.
8008         * common.opt (Wunreachable-code, fargument-alias,
8009         fargument-noalias, fargument-noalias-global,
8010         fargument-noalias-anything, fcse-skip-blocks, fforce-addr,
8011         floop-optimize, frerun-loop-opt, fsched2-use-traces, fsee,
8012         fstrength-reduce, ftree-store-ccp, ftree-store-copy-prop,
8013         ftree-salias): Mark Ignore.
8014         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -mcpu,
8015         -mintel-syntax and -mno-intel-syntax here.
8016         * config/i386/i386.opt (mcpu=, mintel-syntax): Define as aliases
8017         using Warn.
8018         * opts.c (common_handle_option): Don't handle options marked as
8019         ignored.
8020         (enable_warning_as_error): Handle ignored options.
8021
8022 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
8023
8024         PR driver/44076
8025         * opts.h (struct cl_option): Add alias_arg, neg_alias_arg and
8026         alias_target fields.
8027         * opt-functions.awk (opt_sanitized_name): Don't handle
8028         finline-limit=, Wlarger-than= and ftemplate-depth= specially.
8029         * optc-gen.awk: Generate alias fields.
8030         * opth-gen.awk: Explicitly give values for OPT_* enum constants.
8031         Don't generate such constants for aliases.
8032         * opts-common.c (generate_canonical_option): New.
8033         (decode_cmdline_option): Handle aliases.  Use
8034         generate_canonical_option for known options instead of copying the
8035         input option text.
8036         * doc/options.texi (Alias): Document.
8037         * common.opt (W, Wlarger-than-, aux-info=, finline-limit-,
8038         fstack-check, specs): Mark as aliases.
8039         * gcc.c (driver_handle_option): Canonicalize -L options to joined
8040         arguments.
8041         (driver_handle_option): Don't handle OPT_specs.
8042         * opts.c (common_handle_option): Don't handle options marked as
8043         aliases.
8044         (enable_warning_as_error): Handle aliases.
8045         * stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of
8046         OPT_Wlarger_than_eq.
8047         * tree-optimize.c (tree_rest_of_compilation): Use
8048         OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq.
8049
8050 2010-09-02  Uros Bizjak  <ubizjak@gmail.com>
8051
8052         * config/i386/i386.md (nonmemory_operand): New mode attribute.
8053         (push memory peephole2): Macroize peepholes using SWI mode iterator.
8054         (move immediate to memory peephole2): Macroize peepholes using
8055         SWI124 mode iterator.
8056         (non-pairable NOT peephole2): Macroize peepholes using SWI124
8057         mode iterator.
8058         (simple lea add peephole2): Macroize peepholes using SWI48
8059         mode iterator.
8060         (simple lea mult peephole2): Ditto.
8061         (imul by 3,5,9 to lea peephole2): Ditto.
8062         (mov $-1, reg peephole2): Macroize peepholes using SWI248
8063         mode iterator.
8064         (imul $32bit_imm,mem,reg peephole2): Ditto.
8065         (imul $8/16bit_imm,regmem,reg peephole2): Ditto.
8066
8067 2010-09-02  Ian Bolton  <ian.bolton@arm.com>
8068
8069         * tree-ssa-loop-prefetch.c: Fix comment at head of file.
8070
8071 2010-09-02  Olivier Hainque  <hainque@adacore.com>
8072
8073         PR middle-end/44763
8074         * ira-color.c (SORTGT): New macro, helper for qsort callbacks.
8075         (allocno_priority_compare_func): Use it instead of a straight
8076         difference computation over priorities.
8077
8078 2010-09-02  Andi Kleen  <ak@linux.intel.com>
8079
8080         * opts.c (common_handle_option): Fix OPT_fwhopr/fwhopr_ handling.
8081
8082 2010-09-02  Ira Rosen  <irar@il.ibm.com>
8083
8084         * tree-vectorizer.h (get_later_stmt): New function.
8085         (vect_analyze_data_ref_dependences): Add argument.
8086         * tree-vect-loop.c (vect_analyze_loop): Update call to
8087         vect_analyze_data_ref_dependences.
8088         * tree-vect-data-refs.c (vect_drs_dependent_in_basic_block):
8089         New function.
8090         (vect_analyze_data_ref_dependence): Add argument for basic block
8091         dependencies. Check dependencies in basic block vectorization.
8092         (vect_analyze_data_ref_dependences): Add argument and update call to
8093         vect_analyze_data_ref_dependences.
8094         * tree-vect-slp.c (vect_find_last_store_in_slp_instance): New.
8095         (vect_bb_vectorizable_with_dependencies): New.
8096         (vect_slp_analyze_bb): Check dependencies in basic block.
8097         (vect_schedule_slp_instance): Insert stores before the last store in
8098         SLP instance.
8099
8100 2010-09-02  Uros Bizjak  <ubizjak@gmail.com>
8101
8102         PR target/45476
8103         * config/i386/freebsd.h (LIBGCC2_HAS_TF_MODE,
8104         LIBGCC2_TF_CEXT, TF_SIZE): New defines.
8105
8106 2010-09-01  Jakub Jelinek  <jakub@redhat.com>
8107
8108         PR middle-end/45458
8109         * bb-reorder.c (add_labels_and_missing_jumps): Treat
8110         bbs ending with throwing insns like blocks ending with a call.
8111         (fix_up_fall_thru_edges): Likewise.
8112
8113 2010-09-01  Nathan Froyd  <froydnj@codesourcery.com>
8114
8115         * config/m32c/m32c-protos.h (m32c_function_arg): Delete.
8116         (m32c_function_arg_advance): Delete.
8117         * config/m32c/m32c.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
8118         * config/m32c/m32c.c (m32c_function_arg): Make static.  Adjust
8119         comments.  Take a const_tree and a bool.  Declare.
8120         (m32c_function_arg_advance): Likewise.
8121         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8122
8123 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
8124
8125         PR target/45476
8126         * config/i386/cygming.h (LIBGCC2_HAS_TF_MODE,
8127         LIBGCC2_TF_CEXT, TF_SIZE): Move from ...
8128         * config/i386/mingw32.h: ... here.
8129
8130 2010-09-01  Andi Kleen  <ak@linux.intel.com>
8131
8132         PR lto/45475
8133         * lto-streamer-in.c (lto_input_ts_target_option): Add.
8134         (lto_input_tree_pointers): Call lto_input_ts_target_option.
8135         * lto-streamer-out (lto_output_ts_target_option): Add.
8136         (lto_output_tree_pointers): Call lto_output_ts_target_option.
8137
8138 2010-09-01  Kai Tietz  <kai.tietz@onevision.com>
8139
8140         PR/target 45452
8141         * config/i386/cygwin.h: Change order of specified import libraries.
8142         * config/i386/mingw32.h: Likewise.
8143         * config/i386/t-cygwin: Likewise.
8144         * config/i386/t-mingw32: Likewise.
8145         * config/i386/t-mingw-w32: Likewise.
8146         * config/i386/t-mingw-w64: Likewise.
8147
8148 2010-09-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8149
8150         * config/arm/neon-schedgen.ml (core): New type.
8151         (allCores): List of supported cores.
8152         (availability_table): Add supported cores.
8153         (collate_bypasses): Accept core as a parameter.
8154         (worst_case_latencies_and_bypasses): Accept core as a parameter.
8155         (emit_insn_reservations): Accept core as a parameter.  Use tuneStr
8156         and coreStr to get tune attribute and prefix for functional units.
8157         (emit_bypasses): Accept core name and use it.
8158         (calculate_per_core_availability_table): New.
8159         (filter_core): New.
8160         (calculate_core_availability_table): New.
8161         (main): Use calculate_core_availablity_table.
8162         * config/arm/cortex-a8-neon.md: Update copyright year.
8163         Regenerated from ml file and merged in.
8164         (neon_mrrc, neon_mrc): Rename to cortex_a8_neon_mrrc and
8165         cortex_a8_neon_mrc.
8166
8167 2010-09-01  Ian Bolton  <ian.bolton@arm.com>
8168
8169         * Makefile.in (tree-switch-conversion.o): Update dependencies.
8170
8171 2010-09-01  Richard Guenther  <rguenther@suse.de>
8172
8173         * alias.c (ao_ref_from_mem): Adjust.
8174         * builtins.c (get_object_alignment): Likewise.
8175         * cfgexpand.c (expand_debug_expr): Likewise.
8176         * gimple.c (get_base_address): Likewise.
8177         * tree-dfa.c (get_ref_base_and_extent): Likewise.
8178         (get_addr_base_and_unit_offset): Likewise.  Fix for
8179         both TMR_SYMBOL and TMR_BASE being set.
8180         * tree-eh.c (tree_could_trap_p): Likewise.
8181         * gimplify.c (gimplify_expr): Do not attempt to gimplify
8182         TMR_SYMBOL.  Always gimplify TMR_BASE.
8183         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8184         TMR_BASE if there is a TMR_SYMBOL.
8185         * tree-pretty-print.c (dump_generic_node): Adjust.
8186         * tree-ssa-address.c (addr_for_mem_ref): Likewise.
8187         (tree_mem_ref_addr): Likewise.
8188         (create_mem_ref_raw): Likewise.
8189         (move_fixed_address_to_symbol): Likewise.
8190         (create_mem_ref): Likewise.
8191         (dump_mem_address): Likewise.
8192         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Adjust.
8193         Fix for both TMR_SYMBOL and TMR_BASE being set.
8194         (indirect_refs_may_alias_p): Likewise.
8195         * tree-ssa-operands.c (get_tmr_operands): Adjust.
8196         * tree.def (TARGET_MEM_REF): Adjust documentation.
8197
8198 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
8199
8200         * config/i386/i386.h (enum ix86_tune_indices) <X86_TUNE_SINGLE_POP>:
8201         Rename from X86_TUNE_ADD_ESP_4.
8202         <IX86_TUNE_DOUBLE_POP>: Rename from X86_TUNE_ADD_ESP_8.
8203         <IX86_TUNE_SINGLE_PUSH>: Rename from X86_TUNE_SUB_ESP_4.
8204         <IX86_TUNE_DOUBLE_PUSH>: Rename from X86_TUNE_SUB_ESP_8.
8205         (TARGET_SINGLE_POP): Rename from TARGET_ADD_ESP_4.
8206         (TARGET_DOUBLE_POP): Rename from TARGET_ADD_ESP_8.
8207         (TARGET_SINGLE_PUSH): Rename from TARGET_SUB_ESP_4.
8208         (TARGET_DOUBLE_POP): Rename from TARGET_SUB_ESP_8.
8209         * config/i386/i386.c (initial_ix86_tune_features)
8210         <X86_TUNE_SINGLE_POP>: Invert members.
8211         <X86_TUNE_DOUBLE_POP>: Ditto.
8212         <X86_TUNE_SINGLE_PUSH>: Ditto.
8213         <X86_TUNE_DOUBLE_PUSH>: Ditto.
8214         * config/i386/i386.md (*pop<mode>1): Rename from pop<mode>1.
8215         No longer exported.
8216         (push peephole2 patterns): Macroize peepholes using P mode iterator.
8217         Adjust for renamed TARGET_{SINGLE,DOUBLE}_PUSH defines.
8218         (pop peephole2 patterns): Macroize peepholes using P mode iterator.
8219         Adjust for renamed TARGET_{SINGLE,DOUBLE}_POP defines.
8220
8221 2010-09-01  Eric Botcazou  <ebotcazou@adacore.com>
8222
8223         * gimplify.c (gimplify_init_constructor): Do not create a temporary for
8224         a volatile LHS if the constructor has only one element.
8225
8226 2010-09-01  Mikael Pettersson  <mikpe@it.uu.se>
8227
8228         PR bootstrap/45321
8229         * tree.c (stdarg_p): Make fntype parameter const.
8230         * tree.h (stdarg_p): Likewise.
8231         (function_args_iterator): Remove unused fntype field.
8232         (function_args_iter_init): Do not initialize fntype
8233         field.  Make fntype parameter const.
8234
8235 2010-09-01  Richard Guenther  <rguenther@suse.de>
8236
8237         * tree-vrp.c (adjust_range_with_scev): Use number of iteration
8238         estimate.
8239         (vrp_visit_phi_node): Delay using SCEV till we balloon the range.
8240         (execute_vrp): Compute number of iteration estimates.
8241         * cfgloop.h (estimate_numbers_of_iterations_loop): Adjust prototype.
8242         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
8243         * tree-data-ref.c (estimated_loop_iterations): Adjust.
8244         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
8245         Infer loop bounds from undefined behavior based on a new parameter.
8246         (estimate_numbers_of_iterations): Likewise.
8247         (scev_probably_wraps_p): Adjust.
8248         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
8249
8250 2010-09-01  Nick Clifton  <nickc@redhat.com>
8251
8252         * config/stormy16/stormy16.c: Use REG_P, MEM_P and CONST_INT_P
8253         where appropriate.
8254         (xstormy16_legitimate_address_p): Use true and false instead of 1
8255         and 0.
8256         (xstormy16_expand_prologue): Delete unused local variable 'insn'.
8257         (xstormy16_function_arg): Use FIRST_ARGUMENT_REGNUM in place of
8258         magic constant 2.
8259         (xstormy16_expand_call): Fix comment at start of function.
8260
8261 2010-09-01  Nick Clifton  <nickc@redhat.com>
8262
8263         * config/rx/rx.c (rx_expand_prologue): Do not adjust frame size
8264         when pushing accumulator register.
8265         (rx_get_stack_layout): Always save call clobbered registers inside
8266         interrupt handlers.
8267         * config/rx/rx-modes.def: Fix descriptive comment at start of file.
8268
8269 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
8270
8271         * config.gcc (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Add
8272         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
8273
8274         * libgcc-std.ver (GCC_4.6.0): Define version.
8275
8276 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
8277
8278         * tree-nested.c (convert_all_function_calls): Iterate until after the
8279         sum of static chains in the nest doesn't change.
8280
8281 2010-08-31  Anatoly Sokolov  <aesok@post.ru>
8282
8283         * config/m32c/m32c.c (classes_intersect): Remove.
8284         (m32c_preferred_reload_class, m32c_secondary_reload_class): Use
8285         reg_classes_intersect_p instead of classes_intersect.
8286         (class_can_hold_mode): Change arguments type from enum reg_class to
8287         reg_class_t.  Use reg_class_contents instead of class_contents.
8288         (m32c_register_move_cost): Make static. Change arguments type from
8289         enum reg_class to reg_class_t. Use reg_classes_intersect_p instead of
8290         classes_intersect. Use reg_class_contents instead of class_contents.
8291         (m32c_memory_move_cost): Make static. Change arguments type from
8292         enum reg_class to reg_class_t.
8293         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
8294         * config/m32c/m32c.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
8295         * config/m32c/m32c-protos.h (m32c_register_move_cost,
8296         m32c_memory_move_cost): Remove.
8297
8298 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
8299
8300         * config/arm/arm-protos.h (arm_function_arg_advance): Delete.
8301         (arm_function_arg): Delete.
8302         (arm_needs_doubleword_align): Take a const_tree.
8303         * config/arm/arm.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
8304         * config/arm/arm.c (aapcs_select_call_coproc): Take a const_tree.
8305         (aapcs_layout_arg, arm_needs_doubleword_align): Likewise.
8306         (arm_function_arg): Make static.  Take a const_tree and a bool.
8307         (arm_function_arg_advance): Likewise.
8308         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8309
8310 2010-08-31  Andi Kleen  <ak@linux.intel.com>
8311
8312         * common.opt (fwhopr=): Update for -fwhopr=jobserver
8313         * doc/invoke.texi (fwhopr): Document -fwhopr=jobserver.
8314         * lto-wrapper.c (run_gcc): Add jobserver mode.
8315         * opts.c (common_handle_option): Fix OPT_fwhopr for non numeric
8316         argument.
8317
8318 2010-08-31  Uros Bizjak  <ubizjak@gmail.com>
8319
8320         * config/i386/i386.md (popdi1): Rewrite using POST_INC memory operand.
8321         (popsi1): Ditto.
8322         (*popdi1_epilogue): Ditto.
8323         (*popsi1_epilogue): Ditto.
8324         (popsi, popdi peephole2 patterns): Update peepholes for changed
8325         pop{si,di}1 and *pop{si,di}1_epilogue patterns.
8326
8327         (pop<mode>1): Macroize insn from pop{si,di}1 using P code iterator.
8328         (*pop<mode>1_epilogue): Ditto from *pop{si,di}1_epilogue.
8329
8330         * config/i386/i386.c (*ix86_gen_pop1): Remove indirect function.
8331         (override_options): Do not initialize removed ix86_gen_pop1.
8332         (gen_pop): New static function.
8333         (ix86_expand_prologue): Use gen_pop instead of ix86_gen_pop1.
8334         (release_scratch_register_on_entry): Ditto.
8335         (ix86_restore_reg_using_pop): Ditto.
8336         (ix86_expand_epilogue): Ditto.
8337
8338 2010-08-31  Jakub Jelinek  <jakub@redhat.com>
8339
8340         PR middle-end/45461
8341         * builtins.c (dummy_object): Return a MEM_REF instead of INDIRECT_REF.
8342
8343 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
8344
8345         * config/fr30/fr30.c (fr30_move_double): Delete `dregno' and extra
8346         semicolons.
8347
8348 2010-08-31  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
8349
8350         * doc/extend.texi: Fix documentation of the return value of
8351         __builtin_choose_expr.
8352
8353 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
8354
8355         * config/v850/v850-protos.h (function_arg): Delete.
8356         * config/v850/v850.h (FUNCTION_ARG): Delete.
8357         (FUNCTION_ARG_ADVANCE): Move code to...
8358         * config/v850/v850.c (v850_function_arg_advance): ...here.
8359         (v850_function_arg): Make static.  Take a const_tree and a bool.
8360         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8361
8362 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
8363
8364         * config/m32r/m32r.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move
8365         these...
8366         (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
8367         ...and these...
8368         * config/m32r/m32r.c (m32r_function_arg, m32r_function_arg_advance):
8369         ..to here..
8370         (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
8371         ...and here.
8372         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8373
8374 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
8375
8376         * config/rx/rx-protos.h (rx_function_arg, rx_function_arg_size):
8377         Delete.
8378         * config/rx/rx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
8379         * config/rx/rx.c (rx_function_arg_size): Make static.
8380         (rx_function_arg): Likewise.
8381         (rx_function_arg_advance): New function.
8382         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8383
8384 2010-08-31  John Tytgat  <John.Tytgat@aaug.net>
8385
8386         * config/arm/arm.c (arm_override_options): Remove superfluous test.
8387         Fix indentation.
8388
8389 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
8390
8391         * dwarf2out.c (gen_decl_die) <CONST_DECL>: Do not skip in Ada.
8392         (dwarf2out_decl) <CONST_DECL>: Likewise.
8393
8394 2010-08-30  Eric Botcazou  <ebotcazou@adacore.com>
8395
8396         Stack usage support
8397         * common.opt (-fstack-usage): New option.
8398         * doc/invoke.texi (Debugging options): Document it.
8399         * builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to
8400         allocate_dynamic_stack_space.
8401         (expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE
8402         and propagate it to allocate_dynamic_stack_space.
8403         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change.
8404         * calls.c (initialize_argument_information): Pass TRUE as 4th
8405         argument to allocate_dynamic_stack_space.
8406         (expand_call): Set current_function_has_unbounded_dynamic_stack_size
8407         to 1 when pushing a variable-sized argument onto the stack.  Pass
8408         TRUE as 4th argument to allocate_dynamic_stack_space.
8409         Update current_function_pushed_stack_size.
8410         (emit_library_call_value_1): Likewise.
8411         * explow.c (allocate_dynamic_stack_space): Add 4th bool parameter
8412         CANNOT_ACCUMULATE.  If flag_stack_usage, look into the size and
8413         attempt to find an upper bound.  Remove redundant code for the
8414         SETJMP_VIA_SAVE_AREA case.
8415         * expr.h (allocate_dynamic_stack_space): Add 4th bool parameter.
8416         * function.h (struct stack_usage): New structure.
8417         (current_function_static_stack_size): New macro.
8418         (current_function_dynamic_stack_size): Likewise.
8419         (current_function_pushed_stack_size): Likewise.
8420         (current_function_dynamic_alloc_count): Likewise.
8421         (current_function_has_unbounded_dynamic_stack_size): Likewise.
8422         (current_function_allocates_dynamic_stack_space): Likewise.
8423         (struct function): Add new field 'su'.
8424         * function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA,
8425         add the value of the dynamic offset to the dynamic stack usage.
8426         (gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA
8427         for variable-sized objects.
8428         (prepare_function_start): Allocate cfun->su if flag_stack_usage.
8429         (rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage.
8430         * gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to
8431         BUILT_IN_ALLOCA for variable-sized objects.
8432         * output.h (output_stack_usage): Declare.
8433         * toplev.c (stack_usage_file): New file pointer.
8434         (output_stack_usage): New function.
8435         (open_auxiliary_file): Likewise.
8436         (lang_dependent_init): Open file if flag_stack_usage is set.
8437         (finalize): Close file if stack_usage_file is not null.
8438         * tree.h (ALLOCA_FOR_VAR_P): New macro.
8439         * config/alpha/alpha.c (compute_frame_size): New function.
8440         (alpha_expand_prologue): Use it.
8441         (alpha_start_function): Likewise.
8442         (alpha_expand_epilogue): Likewise.  Set stack usage info.
8443         * config/i386/i386.c (ix86_expand_prologue): Likewise.
8444         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
8445         * config/mips/mips.c (mips_expand_prologue): Likewise.
8446         * config/pa/pa.c (hppa_expand_prologue): Likewise.
8447         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
8448         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
8449
8450 2010-08-30  Zdenek Dvorak  <ook@ucw.cz>
8451
8452         PR tree-optimization/45427
8453         * tree-ssa-loop-niter.c (number_of_iterations_ne_max): Rewritten.
8454         Handle the case that the exit is never taken correctly.
8455         (number_of_iterations_ne): Pass exit_must_be_taken to
8456         number_of_iterations_ne_max.
8457
8458 2010-08-30  Catherine Moore  <clm@codesourcery.com>
8459
8460         * config/mips/mips.h (BASE_DRIVER_SELF_SPECS):
8461         Infer -mdspr2 for the the 74K.
8462
8463 2010-08-30  Jakub Jelinek  <jakub@redhat.com>
8464
8465         PR debug/45419
8466         * tree-ssa-live.c (dump_enumerated_decls): Clear the whole wi variable.
8467
8468         PR middle-end/45423
8469         * gimplify.c (goa_stabilize_expr): Handle TRUTH_NOT_EXPR
8470         and TRUTH_{AND,OR,XOR}_EXPR.
8471         * c-parser.c (c_parser_omp_atomic): Handle boolean
8472         {PRE,POST}_{INC,DEC}REMENT.
8473
8474 2010-08-30  Nathan Froyd  <froydnj@codesourcery.com>
8475
8476         * config/xtensa/xtensa-protos.h (function_arg_advance): Delete.
8477         (function_arg): Delete.
8478         * config/xtensa/xtensa.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
8479         (FUNCTION_INCOMING_ARG): Delete.
8480         * config/xtensa/xtensa.c (function_arg_advance): Rename to...
8481         (xtensa_function_arg_advance): ...this.  Make static. Take a const_tree
8482         and a bool.
8483         (function_arg): Rename to...
8484         (xtensa_function_arg_1): ...this.  Make static.  Take a const_tree and
8485         a bool.
8486         (xtensa_function_arg, xtensa_function_incoming_arg): Nex functions.
8487         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8488         (TARGET_FUNCTION_INCOMING_ARG): Define.
8489
8490 2010-08-30  Richard Guenther  <rguenther@suse.de>
8491
8492         PR tree-optimization/21602
8493         * builtins.c (fold_builtin_memory_op): Fold memmove to memcpy
8494         using points-to information.
8495
8496 2010-08-30  H.J. Lu  <hongjiu.lu@intel.com>
8497
8498         * config/linux.h (TARGET_HAS_SINCOS): Replace | with ||.
8499
8500 2010-08-30  Richard Guenther  <rguenther@suse.de>
8501
8502         PR tree-optimization/45449
8503         * tree-ssa-live.c (remove_unused_locals): Also remove address-taken
8504         variables.
8505
8506 2010-08-30  Joseph Myers  <joseph@codesourcery.com>
8507
8508         * opts.h (CL_ERR_NEGATIVE): Define.
8509         * opts.c (unknown_option_callback): Don't postpone warnings for
8510         options marked with CL_ERR_NEGATIVE.
8511         * opts-common.c (decode_cmdline_option): Set CL_ERR_NEGATIVE error
8512         for negative versions of CL_REJECT_NEGATIVE options.
8513
8514 2010-08-30  Uros Bizjak  <ubizjak@gmail.com>
8515
8516         * config/i386/i386.md (zero_extendsidi2_1): Rename from
8517         zero_extendsidi2_32.
8518         (zero_extend<mode>di2): Macroize insn from zero_extend{qi,hi}di2
8519         using SWI12 mode iterator.
8520         (zero_extendhisi2_and): Merge insn pattern and corresponding spliter
8521         to define_insn_and_split pattern.
8522         (zero_extendqi<mode>2): Macroize expander from zero_extendqi{hi,si}2
8523         using SWI24 mode iterator.
8524         (*zero_extendqi<mode>2_and): Macroize insn from
8525         *zero_extendqi{hi,si}2_and using SWI24 mode iterator.
8526         (*zero_extendqi<mode>2_movzbl_and): Macroize insn from
8527         *zero_extendqihi2_movzbw_and and *zero_extendqisi2_movzbl_and using
8528         SWI24 mode iterator.
8529         (*zero_extendqi<mode>2_movzbl): Ditto from
8530         *zero_extendqi{hi,si}2_movzbl.
8531         (extendsidi2_1): Rename from extendsidi2_32.
8532         (extend<mode>di2): Macroize insn from extend{qi,hi}di2 using
8533         SWI12 mode iterator.
8534
8535 2010-08-29  Eric Botcazou  <ebotcazou@adacore.com>
8536
8537         * config/ia64/ia64.h (HARD_REGNO_NREGS): Return 1 for CCImode in
8538         general purpose registers.
8539         (HARD_REGNO_MODE_OK): Accept CCImode in general purpose registers.
8540         * config/ia64/ia64.md (*movcci): Change to named pattern.  Deal
8541         with general purpose registers and memory operands.  Add associated
8542         CCImode post-reload splitter.
8543         * config/ia64/div.md: Change BImode to CCImode throughout.
8544
8545 2010-08-28  Eric Botcazou  <ebotcazou@adacore.com>
8546
8547         * config/ia64/ia64.md (cstorebi4): Fix thinko.
8548
8549 2010-08-28  Hariharan Sandanagobalane  <hariharan@picochip.com>
8550
8551         * config/picochip/picochip.c (reorder_var_tracking_notes): This
8552         function was dropping debug insns which caused PR45299.
8553
8554 2010-08-28  Uros Bizjak  <ubizjak@gmail.com>
8555
8556         * config/i386/sse.md (extsuffix): New code attribute.
8557         (sse4_1_<code>v8qiv8hi2): Macroize insn from sse4_1_extendv8qiv8hi2
8558         and sse4_1_zero_extendv8qiv8hi2 using any_extend code iterator.
8559         (sse4_1_<code>v4qiv4si2): Ditto from sse4_1_extendv4qiv4si2
8560         and sse4_1_zero_extendv4qiv4si2.
8561         (sse4_1_<code>v2qiv2di2): Ditto from sse4_1_extendv2qiv2di2
8562         and sse4_1_zero_extendv2qiv2di2.
8563         (sse4_1_<code>v4hiv4si2): Ditto from sse4_1_extendv4hiv4si2
8564         and sse4_1_zero_extendv4hiv4si2.
8565         (sse4_1_<code>v2hiv2di2): Ditto from sse4_1_extendv2hiv2di2
8566         and sse4_1_zero_extendv2hiv2di2.
8567         (sse4_1_extendv2siv2di2): Ditto from sse4_1_extendv2siv2di2
8568         and sse4_1_zero_extendv2siv2di2
8569
8570         (<s>mulv8hi3_highpart): Macroize expander from {u,s}mulv8hi3_highpart
8571         using any_extend code iterator.
8572         (*avx_<s>mulv8hi3_highpart): Macroize insn from
8573         *avx_{u,s}mulv8hi3_highpart using any_extend code iterator.
8574         (*<s>mulv8hi3_highpart): Ditto from *{u,s}mulv8hi3_highpart.
8575
8576         * config/i386/i386.c (ix86_expand_sse4_unpack): Update for renamed
8577         gen_sse4_1_sign_extend* functions.
8578         (struct builtin_description bdesc_args): Ditto.
8579
8580 2010-08-27  Xinliang David Li  <davidxl@google.com>
8581
8582         PR/45422
8583         * tree-ssa-loop-ivopts.c (iv_ca_get_num_inv_exprs): Remove.
8584         (iv_ca_set_no_cp): Update used inv expr count.
8585         (iv_ca_set_cp): Ditto.
8586         (iv_ca_new): Initialize new member.
8587         (iv_ca_free): Free memory.
8588
8589 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
8590
8591         * config/sh/sh-protos.h (sh_function_arg): Delete.
8592         (sh_function_arg_advance): Delete.
8593         * config/sh/sh.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
8594         (PASS_IN_REG_P): Eliminate cast.
8595         * config/sh/sh.c (sh_function_arg_advance): Make static.  Take a
8596         const_tree and a bool.
8597         (sh_function_arg): Likewise.
8598         (sh_output_mi_thunk): Call sh_function_arg_advance) and
8599         sh_function_arg.
8600         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8601
8602 2010-08-27  Naveen H.S  <naveen.S@kpitcummins.com>
8603             Kaz Kojima  <kkojima@gcc.gnu.org>
8604
8605         * config/sh/sh.c (push_regs): Emit movml for interrupt handler
8606         when possible.
8607         (sh_expand_epilogue): Likewise.
8608         * config/sh/sh.md (movml_push_banked): New insn.
8609         (movml_pop_banked): Likewise.
8610
8611 2010-08-28  Bernd Schmidt  <bernds@codesourcery.com>
8612
8613         * genautomata.c (gen_regexp_repeat, gen_regexp_allof,
8614         gen_regexp_oneof, gen_regexp_sequence): Use the string found
8615         in vector element 0 rather than the original string when there's
8616         only one element.
8617         (gen_regexp): Remove extra semicolon.
8618
8619         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp, movsf_vfp,
8620         thumb2_movsf_vfp): Set attribute "insn".
8621         * config/arm/arm.md (arm_ashrdi3_1bit, arm_lshrdi3_1bit, not_shiftsi,
8622         not_shiftsi_compare0, not_shiftsi_compare0_scratch, arm_one_cmplsi2,
8623         thumb1_one_cmplsi2, notsi_compare0, notsi_compare0_scratch,
8624         arm_zero_extendsidi2, arm_extendsidi2, thumb1_movdi_insn,
8625         arm_movsi_insn, movhi_insn_arch4, movhi_bytes, arm_movqi_insn,
8626         thumb1_movqi_insn arm32_movhf, thumb1_movhf, arm_movsf_soft_insn,
8627         thumb1_movsf_insn, thumb_movdf_insn, mov_scc, mov_negscc, mov_notscc,
8628         movsicc_insn, movsfcc_soft_insn, and_scc, cond_move, if_move_not,
8629         if_not_move, if_shift_move, if_move_shift, if_shift_shift,
8630         if_not_arith, if_arith_not, cond_move_not): Likewise.
8631
8632 2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
8633
8634         * config/rs6000/rs6000-protos.h (rs6000_address_for_fpconvert):
8635         New declaration.
8636         (rs6000_allocate_stack_temp): Ditto.
8637         (rs6000_expand_convert_si_to_sfdf): Ditto.
8638
8639         * config/rs6000/rs6000.c (rs6000_override_options): Adjust long
8640         line.  Update the options set if power6 or power7 server/embedded
8641         type options are used.  If we give a warning for no vsx under
8642         -mcpu=power7 -mno-altivec, mark -mvsx as an explicit option.
8643         (rs6000_allocate_stack_temp): New function to allocate a stack
8644         tempoary and adjust the address so it meets either REG+OFFSET or
8645         REG+REG addressing requirements.
8646         (rs6000_address_for_fpconvert): Adjust REG+OFFSET addresses so
8647         that they can be used with the LFIWAX/LFIWZX instrucitons.
8648         (rs6000_expand_convert_si_to_sfdf): New helper funciton for
8649         converting signed/unsigned SImode to either SFmode/DFmode.
8650
8651         * config/rs6000/rs6000.h (TARGET_FCFID): New macros to determine
8652         whether certain instructions can be generated.
8653         (TARGET_FCTIDZ): Ditto.
8654         (TARGET_STFIWX): Ditto.
8655         (TARGET_LFIWAX): Ditto.
8656         (TARGET_LFIWZX): Ditto.
8657         (TARGET_FCFIDS): Ditto.
8658         (TARGET_FCFIDU): Ditto.
8659         (TARGET_FCFIDUS): Ditto.
8660         (TARGET_FCTIDUZ): Ditto.
8661         (TARGET_FCTIWUZ): Ditto.
8662
8663         * config/rs6000/rs6000.md (UNSPEC_FCTIW): New unspec constants.
8664         (UNSPEC_FCTID): Ditto.
8665         (UNSPEC_LFIWAX): Ditto.
8666         (UNSPEC_LFIWZX): Ditto.
8667         (UNSPEC_FCTIWUZ): Ditto.
8668         (rreg): Use correct constraints.
8669         (SI_CONVERT_FP): New mode attribute for floating point conversion
8670         tests.
8671         (E500_CONVERT): Ditto.
8672         (lfiwax): New insns for converting from integer to floating point
8673         utilizing newer instructions.  Attempt to optimize conversions
8674         that come from memory so that we don't load the value into a GPR,
8675         spill it to the stack and reload it into a FPR.
8676         (floatsi<mode>2_lfiwax): Ditto.
8677         (floatsi<mode>2_lfiwax_mem): Ditto.
8678         (floatsi<mode>2_lfiwax_mem2): Ditto.
8679         (lfiwzx): Ditto.
8680         (floatunssi<mode>2_lfiwzx): Ditto.
8681         (floatunssi<mode>2_lfiwzx_mem): Ditto.
8682         (floatunssi<mode>2_lfiwzx_mem2): Ditto.
8683         (floatdidf2_mem): Ditto.
8684         (floatunsdidf2_fcfidu): Ditto.
8685         (floatunsdidf2_mem): Ditto.
8686         (floatunsdisf2): Ditto.
8687         (floatunsdisf2_fcfidus): Ditto.
8688         (floatunsdisf2_mem): Ditto.
8689         (floatsidf2): Add support for LFIWAX/LFIWZX/FCFIDS/FCFIDU/FCFIDUS.
8690         Use FCFID on 32-bit hosts that support it.
8691         (floatsidf2_internal): Ditto.
8692         (floatunssisf2): Ditto.
8693         (floatunssidf2): Ditto.
8694         (floatunssidf2_internal): Ditto.
8695         (floatsisf2): Ditto.
8696         (floatdidf2): Ditto.
8697         (floatdidf2_fpr): Ditto.
8698         (floatunsdidf2): Ditto.
8699         (floatdisf2): Ditto.
8700         (floatdisf2_fcfids): Ditto.
8701         (floatdisf2_internal1): Ditto.
8702         (fixuns_truncsfsi2): Delete, merge into common pattern for both
8703         SF/DF.  Add power7 support.
8704         (fix_truncsfsi2): Ditto.
8705         (fixuns_truncdfsi2): Ditto.
8706         (fixuns_truncdfdi2): Ditto.
8707         (fix_truncdfsi2): Ditto.
8708         (fix_truncdfsi2_internal): Ditto.
8709         (fix_truncdfsi2_internal_gfxopt): Ditto.
8710         (fix_truncdfsi2_mfpgpr): Ditto.
8711         (fctiwz): Ditto.
8712         (btruncdf2): Ditto.
8713         (btruncdf2_fpr): Ditto.
8714         (btructsf2): Ditto.
8715         (ceildf2): Ditto.
8716         (ceildf2_fpr): Ditto.
8717         (ceilsf2): Ditto.
8718         (floordf2): Ditto.
8719         (floordf2_fpr): Ditto.
8720         (floorsf2): Ditto.
8721         (rounddf2): Ditto.
8722         (rounddf2_fpr): Ditto.
8723         (roundsf2): Ditto.
8724         (fix_trunc<mode>si2): Combine SF/DF conversion into one insn.
8725         (fix_trunc<mode>di2): Ditto.
8726         (fixuns_trunc<mode>si2): Ditto.
8727         (fixuns_trunc<mode>di2): Ditto.
8728         (fctiwz_<mode>): Ditto.
8729         (btrunc<mode>2): Ditto.
8730         (btrunc<mode>2_fpr): Ditto.
8731         (ceil<mode>2): Ditto.
8732         (ceil<mode>2_fpr): Ditto.
8733         (floor<mode>2): Ditto.
8734         (float<mode>2_fpr): Ditto.
8735         (round<mode>2): Ditto.
8736         (round<mode>2_fpr): Ditto.
8737         (fix_trunc<mode>si2_stfiwx): New insn for machines with STFIWX.
8738         (fixuns_trunc<mode>si2_stfiwx): Ditto.
8739         (fix_truncdfsi2_internal): Ditto.
8740         (fix_trunc<mode>si2_mem): Combiner pattern to eliminate storing
8741         converted value on stack, loaded into GPR, and then stored into
8742         the final destination.
8743         (fix_trunc<mode>di2_fctidz): New pattern for targets supporting
8744         FCTIDZ.
8745         (lrint<mode>di2): New insn, provide the lrint builtin functions.
8746         (ftruncdf2): Delete, unused.
8747         (fix_trunctfsi2_internal): Use gen_fctiwz_df, not gen_fctiwz.
8748
8749         * config/rs6000/vsx.md (toplevel): Update copyright year.
8750         (VSr2): Use "ws" contraint for DFmode, not "!r#r".
8751         (VSr3): Ditto.
8752
8753 2010-08-27  Basile Starynkevitch  <basile@starynkevitch.net>
8754             Jeremie Salvucci  <jeremie.salvucci@free.fr>
8755
8756         * gengtype.c (output_type_enum): Test the right union member.
8757
8758 2010-08-27  Uros Bizjak  <ubizjak@gmail.com>
8759
8760         PR target/41484
8761         * config/i386/sse.md (sse4_1_extendv8qiv8hi2): Also accept memory
8762         operands for operand 1.
8763         (sse4_1_extendv4qiv4si2): Ditto.
8764         (sse4_1_extendv2qiv2di2): Ditto.
8765         (sse4_1_extendv4hiv4si2): Ditto.
8766         (sse4_1_extendv2hiv2di2): Ditto.
8767         (sse4_1_extendv2siv2di2): Ditto.
8768         (sse4_1_zero_extendv8qiv8hi2): Ditto.
8769         (sse4_1_zero_extendv4qiv4si2): Ditto.
8770         (sse4_1_zero_extendv2qiv2di2): Ditto.
8771         (sse4_1_zero_extendv4hiv4si2): Ditto.
8772         (sse4_1_zero_extendv2hiv2di2): Ditto.
8773         (sse4_1_zero_extendv2siv2di2): Ditto.
8774         (*sse4_1_extendv8qiv8hi2): Remove insn pattern.
8775         (*sse4_1_extendv4qiv4si2): Ditto.
8776         (*sse4_1_extendv2qiv2di2): Ditto.
8777         (*sse4_1_extendv4hiv4si2): Ditto.
8778         (*sse4_1_extendv2hiv2di2): Ditto.
8779         (*sse4_1_extendv2siv2di2): Ditto.
8780         (*sse4_1_zero_extendv8qiv8hi2): Ditto.
8781         (*sse4_1_zero_extendv4qiv4si2): Ditto.
8782         (*sse4_1_zero_extendv2qiv2di2): Ditto.
8783         (*sse4_1_zero_extendv4hiv4si2): Ditto.
8784         (*sse4_1_zero_extendv2hiv2di2): Ditto.
8785         (*sse4_1_zero_extendv2siv2di2): Ditto.
8786
8787 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
8788
8789         * config/mips/mips-protos.h (mips_function_arg_advance): Delete
8790         (mips_function_arg): Delete.
8791         (mips_function_arg_boundary): Take a const_tree.
8792         * config/mips/mips.c (mips_function_arg_boundary): Likewise.
8793         (mips_arg_info): Likewise.
8794         (mips_setup_incoming_varargs): Call mips_function_arg_advance
8795         instead of FUNCTION_ARG_ADVANCE.
8796         (mips_function_arg_advance): Adjust prototype.  Make static.
8797         (mips_function_arg): Likewise.
8798         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8799         * config/mips/mips.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Delete.
8800
8801 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
8802
8803         * config/rs6000/rs6000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
8804         * config/rs6000/rs6000-protos.h (function_arg_advance): Delete.
8805         (function_arg): Delete.
8806         (function_arg_boundary): Take a const_tree.
8807         * config/rs6000/rs6000.c (function_arg_boundary): Likewise.
8808         (rs6000_spe_function_arg): Likewise.
8809         (rs6000_parm_start): Likewise.
8810         (rs6000_arg_size): Likewise.
8811         (rs6000_darwin64_record_arg_advance_recurse): Likewise.
8812         (rs6000_darwin64_record_arg): Likewise.  Take a bool instead of an int.
8813         (rs6000_mixed_function_arg): Likewise.
8814         (function_arg): Rename to...
8815         (rs6000_function_arg): ...this.
8816         (function_arg_advance): Rename to...
8817         (rs6000_function_arg_advance_1): ...this
8818         (rs6000_function_arg_advance): New function.  Call it.
8819         (setup_incoming_varargs): Call rs6000_function_arg_advance_1.
8820         (rs6000_return_in_memory): Adjust call to rs6000_darwin64_record_arg.
8821         (rs6000_function_value): Likewise.
8822         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
8823
8824 2010-08-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8825
8826         * config/arm/arm.md (enabled): Test the value of arch_enabled
8827         rather than just using it.
8828
8829 2010-08-27  Olivier Hainque  <hainque@adacore.com>
8830             Eric Botcazou  <ebotcazou@adacore.com>
8831
8832         * dse.c (group_info.base_mem, get_group_info): Use BLKmode to
8833         cover all the possible offsets from this base.
8834         (scan_reads_nospill): Pass base_mem's mode to canon_true_dependence.
8835
8836 2010-08-26  Jakub Jelinek  <jakub@redhat.com>
8837
8838         PR tree-optimization/44485
8839         * calls.c (flags_from_decl_or_type): For const or pure
8840         noreturn functions return ECF_LOOPING_CONST_OR_PURE|ECF_NORETURN
8841         together with ECF_CONST resp. ECF_PURE.
8842         * builtins.c (expand_builtin): Use flags_from_decl_or_type
8843         instead of querying flags directly.
8844         * tree-ssa-loop-niter.c (finite_loop_p): Likewise.
8845         * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
8846
8847 2010-08-26  Richard Guenther  <rguenther@suse.de>
8848
8849         PR tree-optimization/45255
8850         * tree.c (decl_address_invariant_p): DECL_DLLIMPORT_P statics
8851         and externals are also invariant.
8852
8853 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
8854
8855         PR rtl-optimization/44858
8856         * combine.c (try_combine): If recog_for_combine added CLOBBERs to
8857         newi2pat, make sure they don't affect newpat.
8858
8859         PR rtl-optimization/45400
8860         * combine.c (simplify_shift_const_1) <case SUBREG>: Only use
8861         SUBREG_REG if both modes are of MODE_INT class.
8862
8863 2010-08-25  Julian Brown  <julian@codesourcery.com>
8864
8865         * config/arm/arm.c (arm_issue_rate): Return 2 for Cortex-A5.
8866         * config/arm/arm.md (generic_sched): No for Cortex-A5.
8867         (generic_vfp): Likewise.
8868         (cortex-a5.md): Include.
8869         * config/arm/cortex-a5.md: New.
8870
8871 2010-08-25  Richard Guenther  <rguenther@suse.de>
8872
8873         * alias.c (get_alias_set): Assign a single alias-set to all pointers.
8874         * gimple.c (gimple_get_alias_set): Remove special handling
8875         for pointers.
8876
8877 2010-08-25  Bernd Schmidt  <bernds@codesourcery.com>
8878
8879         PR middle-end/45355
8880         * combine.c (try_combine): Use reg_overlap_mentioned_p rather than
8881         dead_or_set_p when computing i0_feeds_i2_n.
8882
8883         * combine.c (find_split_point): Undo canonicalization of multiply-add
8884         to (minus x (mult)) when it seems likely that this will increase the
8885         chances of a split.
8886
8887 2010-08-25  Richard Guenther  <rguenther@suse.de>
8888
8889         PR lto/44562
8890         * lto-streamer.c (lto_record_common_node): Do not mess with
8891         TYPE_CANONICAL when not in lto.
8892         * gimple.c (gimple_register_type): Likewise.
8893
8894 2010-08-25  Richard Guenther  <rguenther@suse.de>
8895
8896         PR tree-optimization/45316
8897         * tree-ssa-pre.c (eliminate): Properly clean EH info.
8898
8899 2010-08-25  Richard Guenther  <rguenther@suse.de>
8900
8901         PR tree-optimization/45393
8902         * tree-ssa-math-opts.c (execute_cse_sincos_1): Properly transfer
8903         and clean EH info.  Avoid SSA update.
8904         (execute_cse_sincos): Cleanup the CFG if it has changed.
8905
8906 2010-08-25  Richard Guenther  <rguenther@suse.de>
8907
8908         PR middle-end/45379
8909         * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle
8910         TARGET_MEM_REF in alignment computation.
8911
8912 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
8913
8914         PR tree-optimization/45059
8915         * tree-ssa-reassoc.c (eliminate_redundant_comparison): Strip useless
8916         type conversions from newop{1,2}.  Assert t is a comparison and
8917         newop{1,2} after the stripping are gimple vals.
8918
8919 2010-08-25  Tejas Belagod  <tejas.belagod@arm.com>
8920
8921         * config/arm/iterators.md (VU, SE, V_widen_l): New.
8922         (V_unpack, US): New.
8923         * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Expansion for vmovl.
8924         (vec_unpack<US>_lo_<mode>): Likewise.
8925         (neon_vec_unpack<US>_hi_<mode>): Instruction pattern for vmovl.
8926         (neon_vec_unpack<US>_lo_<mode>): Likewise.
8927         (vec_widen_<US>mult_lo_<mode>): Expansion for vmull.
8928         (vec_widen_<US>mult_hi_<mode>): Likewise.
8929         (neon_vec_<US>mult_lo_<mode>"): Instruction pattern for vmull.
8930         (neon_vec_<US>mult_hi_<mode>"): Likewise.
8931         (neon_unpack<US>_<mode>): Widening move intermediate step for
8932         vectorizing without -mvectorize-with-neon-quad.
8933         (neon_vec_<US>mult_<mode>): Widening multiply intermediate step
8934         for vectorizing without -mvectorize-with-neon-quad.
8935         * config/arm/predicates.md (vect_par_constant_high): Check for
8936         high-half lanes of a vector.
8937         (vect_par_constant_low): Check for low-half lanes of a vector.
8938
8939 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
8940
8941         * tree-if-conv.c (struct ifc_dr): New.
8942         (IFC_DR): New.
8943         (DR_WRITTEN_AT_LEAST_ONCE): New.
8944         (DR_RW_UNCONDITIONALLY): New.
8945         (memref_read_or_written_unconditionally): Use the cached values
8946         when possible.
8947         (write_memref_written_at_least_once): Same.
8948         (if_convertible_loop_p): Initialize and free DR->aux fields.
8949
8950 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
8951
8952         * gimple.c (gimple_could_trap_p_1): Not static anymore.
8953         Pass an extra bool parameter include_mem.
8954         (gimple_could_trap_p): Adjust call to gimple_could_trap_p_1.
8955         (gimple_assign_rhs_could_trap_p): Same.
8956         * gimple.h (gimple_could_trap_p_1): Declared.
8957         * tree-data-ref.h (same_data_refs_base_objects): New.
8958         (same_data_refs): New.
8959         * tree-if-conv.c (memrefs_read_or_written_unconditionally): New.
8960         (write_memrefs_written_at_least_once): New.
8961         (ifcvt_memrefs_wont_trap): New.
8962         (operations_could_trap): New.
8963         (ifcvt_could_trap_p): New.
8964         (if_convertible_gimple_assign_stmt_p): Call ifcvt_could_trap_p.
8965         Gets a vector of data refs.
8966         (if_convertible_stmt_p): Same.
8967         (if_convertible_loop_p_1): New.
8968         (if_convertible_loop_p): Call if_convertible_loop_p_1.
8969
8970 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
8971
8972         * common.opt (ftree-loop-if-convert-stores): New flag.
8973         * doc/invoke.texi (ftree-loop-if-convert-stores): Documented.
8974         * tree-if-conv.c (ifc_temp_var): Pass an extra parameter GSI.  Insert
8975         the created statement before GSI.
8976         (if_convertible_phi_p): Allow virtual phi nodes when
8977         flag_loop_if_convert_stores is set.
8978         (if_convertible_gimple_assign_stmt_p): Allow memory reads and writes
8979         Do not handle types that do not match is_gimple_reg_type.
8980         Remove loop and bb parameters.  Call gimple_could_trap_p instead of
8981         when flag_loop_if_convert_stores is set, as LHS can contain
8982         memory refs.
8983         (if_convertible_stmt_p): Remove loop and bb parameters.  Update calls
8984         to if_convertible_gimple_assign_stmt_p.
8985         (if_convertible_loop_p): Update call to if_convertible_stmt_p.
8986         (replace_phi_with_cond_gimple_assign_stmt): Renamed
8987         predicate_scalar_phi.  Do not handle virtual phi nodes.
8988         (ifconvert_phi_nodes): Renamed predicate_all_scalar_phis.
8989         Call predicate_scalar_phi.
8990         (insert_gimplified_predicates): Insert the gimplified predicate of a BB
8991         just after the labels for flag_loop_if_convert_stores, otherwise
8992         insert the predicate in the end of the BB.
8993         (predicate_mem_writes): New.
8994         (combine_blocks): Call predicate_all_scalar_phis.  When
8995         flag_loop_if_convert_stores is set, call predicate_mem_writes.
8996         (tree_if_conversion): Call mark_sym_for_renaming when
8997         flag_loop_if_convert_stores is set.
8998         (main_tree_if_conversion): Return TODO_update_ssa_only_virtuals when
8999         flag_loop_if_convert_stores is set.
9000
9001 2010-08-24  Anatoly Sokolov  <aesok@post.ru>
9002
9003         * config/pa/pa.c (hppa_register_move_cost, pa_libcall_value,
9004         pa_function_value_regno_p, pa_print_operand_punct_valid_p): New.
9005         (pa_function_value): Make static.
9006         (override_options): Rename to...
9007         (pa_option_override): ...this. Make static.
9008         (TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_REGISTER_MOVE_COST,
9009         TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P,
9010         TARGET_OPTION_OVERRIDE): Define.
9011         * config/pa/pa.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P,
9012         LIBCALL_VALUE, REGISTER_MOVE_COST, PRINT_OPERAND_PUNCT_VALID_P):
9013         Remove.
9014         * config/pa/pa-protos.h (override_options): Remove.
9015
9016 2010-08-24  Richard Guenther  <rguenther@suse.de>
9017
9018         PR middle-end/45379
9019         * tree-ssa-address.c (create_mem_ref_raw): Drop to MEM_REF
9020         if addr->index is NULL or zero.
9021         * tree-ssa-alias.c (indirect_refs_may_alias_p): Handle
9022         TARGET_MEM_REF more properly.
9023         (indirect_ref_may_alias_decl_p): Likewise.
9024         * emit-rtl.c (set_mem_attributes_minus_bitpos): Keep TARGET_MEM_REFs.
9025         * alias.c (ao_ref_from_mem): Handle TARGET_MEM_REF more properly.
9026
9027 2010-08-23  Anatoly Sokolov  <aesok@post.ru>
9028
9029         * config/m32c/m32c.c (m32c_function_value_regno_p): Make static.
9030         (m32c_override_options): Rename to...
9031         (m32c_option_override): ...this. Make static.
9032         (TARGET_FUNCTION_VALUE_REGNO_P, TARGET_OPTION_OVERRIDE): Define.
9033         * config/m32c/m32c.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P):
9034         Remove.
9035         * config/m32c/m32c-protos.h (m32c_override_options,
9036         m32c_function_value_regno_p): Remove.
9037
9038 2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>
9039
9040         * tree-ssa-loop-prefetch.c (gather_memory_references_ref) :
9041         Fix a typo in a previous commit.
9042
9043 2010-08-23  Kai Tietz  <kai.tietz@onevision.com>
9044
9045         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost):
9046         Pre-initialize innerloop_iters to one.
9047
9048 2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>
9049
9050         * tree-flow.h (may_be_nonaddressable_p): New definition. Make the
9051         existing static function global.
9052
9053         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): This function
9054         is changed to global.
9055
9056         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Call
9057         may_be_nonaddressable_p on base, and don't collect this reference
9058         if the address of the base could not be taken.
9059
9060 2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9061
9062         * config/rs6000/rs6000.opt (-mveclibabi=mass): New option to
9063         enable the compiler to autovectorize mathmetical functions for
9064         power7 using the Mathematical Acceleration Subsystem library.
9065
9066         * config/rs6000/rs6000.c (rs6000_veclib_handler): New variable to
9067         handle which vector math library we have.
9068         (rs6000_override_options): Add -mveclibabi=mass support.
9069         (rs6000_builtin_vectorized_libmass): New function to handle auto
9070         vectorizing math functions that are in the MASS library.
9071         (rs6000_builtin_vectorized_function): Call it.
9072
9073         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
9074         -mveclibabi=mass.
9075
9076 2010-08-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9077
9078         PR boehm-gc/34544
9079         * gthr-posix.h (__gthread_active_init): Delete.
9080         (__gthread_active_p): Do activity check here.
9081         Don't include errno.h on hppa-hpux.  Update comment.
9082         * gthr-posix95.h (__gthread_active_init): Delete.
9083         (__gthread_active_p): Do activity check here.
9084         Don't include errno.h on hppa-hpux.  Update comment.
9085         * config.gcc (hppa[12]*-*-hpux11*): Define extra_parts.
9086         * config/pa/pa64-hpux.h (LIB_SPEC): When -static is specified, only
9087         add -lpthread when -mt or -pthread is specified.
9088         * config/pa/pa-hpux11.h (LIB_SPEC): likewise.
9089         (LINK_GCC_C_SEQUENCE_SPEC): Define.
9090         * config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS): Define.
9091         (stublib.c, pthread_default_stacksize_np-stub.o,
9092         pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o,
9093         $(T)libgcc_stub.a): Add methods.
9094         * config/pa/t-pa64 (LIBGCCSTUB_OBJS): Add pthread stubs.
9095         (stublib.c, pthread_default_stacksize_np-stub.o,
9096         pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o): Add methods.
9097         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
9098         pthread_mutex_unlock): New stubs.
9099
9100 2010-08-22  Joseph Myers  <joseph@codesourcery.com>
9101
9102         * Makefile.in (gccspec.o, cppspec.o): Update dependencies.
9103         * common.opt (L, nodefaultlibs, nostdlib, pg, static): New
9104         options.
9105         * config/avr/avr.h (LIBSTDCXX): Remove initial "-l".
9106         * config/freebsd.h (MATH_LIBRARY_PROFILE): Remove initial "-l".
9107         * config/i386/djgpp.h (LIBSTDCXX): Remove initial "-l".
9108         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove initial "-l".
9109         * config/s390/tpf.h (MATH_LIBRARY, LIBSTDCXX): Remove initial
9110         "-l".
9111         * cppspec.c: Include opts.h.
9112         (lang_specific_driver): Use cl_decoded_option structures.
9113         * doc/tm.texi.in (MATH_LIBRARY): Update documentation.
9114         * doc/tm.texi: Regenerate.
9115         * gcc.c (translate_options): Translate -d to -foutput-class-dir=.
9116         (driver_handle_option): Allow driver options needing no special
9117         processing.
9118         (process_command): Decode options before call to
9119         lang_specific_driver.  Pass decoded options to
9120         lang_specific_driver.
9121         * gcc.h (lang_specific_driver): Update prototype.
9122         * gccspec.c: Include opts.h.
9123         (lang_specific_driver): Use cl_decoded_option structures.
9124         * opts-common.c (option_ok_for_language, generate_option,
9125         generate_option_input_file): New.
9126         (decode_cmdline_option): Use option_ok_for_language.
9127         (decode_cmdline_options_to_array): Use generate_option_input_file.
9128         (handle_generated_option): Use generate_option.
9129         * opts.h (generate_option, generate_option_input_file): Declare.
9130
9131 2010-08-22  Anatoly Sokolov  <aesok@post.ru>
9132
9133         * config/mips/mips.c (mips_override_options): Rename to...
9134         (mips_option_override): ...this. Make static.
9135         (TARGET_OPTION_OVERRIDE): Define.
9136         (mips_in_small_data_p): Update comment.
9137         * config/mips/mips.h (OVERRIDE_OPTIONS): Remove.
9138         (FIXED_REGISTERS): Update comment.
9139         * config/mips/mips-protos.h (mips_override_options): Remove.
9140
9141 2010-08-21  Olivier Hainque  <hainque@adacore.com>
9142
9143         * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Define __PPC__.
9144
9145 2010-08-21  Olivier Hainque  <hainque@adacore.com>
9146
9147         * config/rs6000/vxworks.h (PREFERRED_STACK_BOUNDARY,
9148         ABI_STACK_BOUNDARY): Ensure STACK_BOUNDARY is honored despite EABI.
9149
9150 2010-08-20  Jan Hubicka  <jh@suse.cz>
9151
9152         * tree-pass.h (pass_ipa_cdtor_merge): New function.
9153         * cgraphunit.c (static_ctors, static_dtors): Move to ipa.c; make
9154         heap allocated.
9155         (record_cdtor_fn): Move to ipa.c; do not test for
9156         have_ctors_dtors.
9157         (build_cdtor): Move to ipa.c; add code avoiding construction
9158         when target have ctors/dtors and there is only one ctor/dtor at given
9159         priority.
9160         (compare_ctor, compare_dtor): Move to ipa.c; use DECL_UID to stabilize
9161         sort; reverse order of constructors.
9162         (cgraph_build_cdtor_fns): Move to ipa.c; rename to build_cdtor_fns.
9163         (cgraph_finalize_function): Do not call record_cdtor_fn.
9164         (cgraph_finalize_compilation_unit): Do not call cgraph_build_cdtor_fns.
9165         (cgraph_build_static_cdtor): Move to ipa.c.
9166         * ipa.c: Include target.h and tree-iterator.h.
9167         (cgraph_build_static_cdtor, static_ctors, static_dtors,
9168         record_cdtor_fn, build_cdtor, compare_ctor, compare_dtor,
9169         build_cdtor_fns, ipa_cdtor_merge, gate_ipa_cdtor_merge,
9170         pass_ipa_cdtor_merge): New.
9171         * passes.c (init_optimization_passes): Enqueue pass_ipa_cdtor_merge.
9172         * ipa-prop.c (update_indirect_edges_after_inlining): Avoid out of
9173         bounds access.
9174
9175 2010-08-20  Jan Hubicka  <jh@suse.cz>
9176
9177         PR c++/45307
9178         PR c++/17736
9179         * cgraph.h (cgraph_only_called_directly_p,
9180         cgraph_can_remove_if_no_direct_calls_and_refs_p): Handle
9181         static cdtors.
9182         * cgraphunit.c (cgraph_decide_is_function_needed): Static cdtors
9183         are not needed.
9184         (cgraph_finalize_function): Static cdtors are reachable.
9185         (cgraph_mark_functions_to_output): Use cgraph_only_called_directly_p.
9186
9187 2010-08-20  Jan Hubicka  <jh@suse.cz>
9188
9189         * lto-cgraph.c (lto_output_edge): Use gimple_has_body_p instead of
9190         flag_wpa.
9191         * lto-streamer-out.c (lto_output): Likewise.
9192         * passes.c (ipa_write_optimization_summaries): Initialize statement
9193         uids.
9194
9195 2010-08-20  Olivier Hainque  <hainque@adacore.com>
9196
9197         * tree.h (alias_diag_flags): New enum.
9198         (alias_pair): Add an 'emitted_diags' field.
9199         * varasm.c (finish_aliases_1): Honor and update p->emitted_diags.
9200         (assemble_alias): Initialize emitted_diags of new pairs.
9201
9202 2010-08-20  Eric Botcazou  <ebotcazou@adacore.com>
9203
9204         * config/rs6000/aix.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
9205         * config/rs6000/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
9206         * config/rs6000/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
9207         (STACK_CHECK_PROTECT): Define.
9208         * config/rs6000/rs6000.c (rs6000_emit_probe_stack_range): New function.
9209         (output_probe_stack_range): Likewise.
9210         (rs6000_emit_prologue): Invoke rs6000_emit_probe_stack_range if static
9211         builtin stack checking is enabled.
9212         * config/rs6000/rs6000-protos.h (output_probe_stack_range): Declare.
9213         * config/rs6000/rs6000.md (UNSPECV_PROBE_STACK_RANGE): New constant.
9214         (probe_stack_range): New insn.
9215
9216 2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>
9217
9218         PR target/45336
9219         * config/i386/emmintrin.h (_mm_extract_epi16): Cast to unsigned
9220         short first.
9221
9222         * config/i386/smmintrin.h (_mm_extract_epi8): Cast to unsigned
9223         char first.
9224
9225 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
9226
9227         PR target/45336
9228         * config/i386/sse.md (*sse4_1_pextrb): Add SWI48 mode iterator
9229         to cover zero extension into 64-bit register.
9230         (*sse2_pextrw): Likewise.
9231         (*sse4_1_pextrd_zext): New insn.
9232
9233 2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>
9234
9235         revert r163410, partially revert r163267.
9236         * config/rs6000/darwin.h (LIB_SPEC): Remove.
9237         * config/darwin.h (REAL_LIBGCC_SPEC): Link lgcc for all
9238         Darwin versions.
9239
9240 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
9241
9242         PR middle-end/44974
9243         * builtins.c (expand_builtin): Don't optimize away
9244         calls to DECL_LOOPING_CONST_OR_PURE_P builtins.
9245
9246 2010-08-20  Uros Bizjak  <ubizjak@gmail.com>
9247
9248         * config/i386/i386.md (ashift %rsp splitter): Remove splitter.
9249         (pro_epilogue_adjust_stack_di_2): Use "l" constraint for
9250         alternative 1 of operand 2.
9251
9252 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
9253             Paolo Bonzini  <bonzini@gnu.org>
9254
9255         * simplify-rtx.c (simplify_unary_operation_1): Optimize
9256         (sign_extend (zero_extend (...)) and
9257         ({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))).
9258
9259 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
9260
9261         PR rtl-optimization/45353
9262         * sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
9263         after bb_note is a BARRIER.
9264
9265 2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>
9266
9267         * config/rs6000/darwin.h (LIB_SPEC): New. Provide saveFP/restFP by
9268         linking libgcc.a.
9269
9270 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
9271             Michael Matz  <matz@suse.de>
9272
9273         * tree-ssa-address.c (tree_mem_ref_addr): Convert offset to sizetype.
9274
9275 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
9276
9277         * ggc-common.c (ggc_mark_root_tab): New function, split out from...
9278         (ggc_mark_roots): ...here.
9279
9280 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
9281
9282         * vec.h (FOR_EACH_VEC_ELT): Define.
9283         * c-decl.c: Use it.
9284         * cfgloop.c: Likewise.
9285         * cfgloopmanip.c: Likewise.
9286         * cgraph.c: Likewise.
9287         * cgraphunit.c: Likewise.
9288         * combine.c: Likewise.
9289         * config/bfin/bfin.c: Likewise.
9290         * config/mips/mips.c: Likewise.
9291         * config/rs6000/rs6000.c: Likewise.
9292         * dbxout.c: Likewise.
9293         * df-scan.c: Likewise.
9294         * dominance.c: Likewise.
9295         * dse.c: Likewise.
9296         * dwarf2out.c: Likewise.
9297         * except.c: Likewise.
9298         * expr.c: Likewise.
9299         * function.c: Likewise.
9300         * gcse.c: Likewise.
9301         * genattr.c: Likewise.
9302         * ggc-common.c: Likewise.
9303         * gimplify.c: Likewise.
9304         * graphite-blocking.c: Likewise.
9305         * graphite-clast-to-gimple.c: Likewise.
9306         * graphite-dependences.c: Likewise.
9307         * graphite-interchange.c: Likewise.
9308         * graphite-poly.c: Likewise.
9309         * graphite-scop-detection.c: Likewise.
9310         * graphite-sese-to-poly.c: Likewise.
9311         * graphite.c: Likewise.
9312         * haifa-sched.c: Likewise.
9313         * ifcvt.c: Likewise.
9314         * implicit-zee.c: Likewise.
9315         * ipa-prop.c: Likewise.
9316         * ipa-struct-reorg.c: Likewise.
9317         * ipa.c: Likewise.
9318         * ira-build.c: Likewise.
9319         * ira-color.c: Likewise.
9320         * ira-emit.c: Likewise.
9321         * lambda-code.c: Likewise.
9322         * loop-invariant.c: Likewise.
9323         * loop-unroll.c: Likewise.
9324         * lower-subreg.c: Likewise.
9325         * lto-cgraph.c: Likewise.
9326         * lto-opts.c: Likewise.
9327         * lto-streamer-in.c: Likewise.
9328         * lto-streamer-out.c: Likewise.
9329         * lto-streamer.c: Likewise.
9330         * lto-symtab.c: Likewise.
9331         * matrix-reorg.c: Likewise.
9332         * opts.c: Likewise.
9333         * predict.c: Likewise.
9334         * print-tree.c: Likewise.
9335         * sdbout.c: Likewise.
9336         * sel-sched-dump.c: Likewise.
9337         * sel-sched-ir.c: Likewise.
9338         * sel-sched.c: Likewise.
9339         * sese.c: Likewise.
9340         * stor-layout.c: Likewise.
9341         * tree-cfg.c: Likewise.
9342         * tree-cfgcleanup.c: Likewise.
9343         * tree-chrec.c: Likewise.
9344         * tree-data-ref.c: Likewise.
9345         * tree-emutls.c: Likewise.
9346         * tree-inline.c: Likewise.
9347         * tree-into-ssa.c: Likewise.
9348         * tree-loop-distribution.c: Likewise.
9349         * tree-loop-linear.c: Likewise.
9350         * tree-mudflap.c: Likewise.
9351         * tree-outof-ssa.c: Likewise.
9352         * tree-parloops.c: Likewise.
9353         * tree-predcom.c: Likewise.
9354         * tree-pretty-print.c: Likewise.
9355         * tree-scalar-evolution.c: Likewise.
9356         * tree-ssa-live.c: Likewise.
9357         * tree-ssa-loop-im.c: Likewise.
9358         * tree-ssa-loop-ivcanon.c: Likewise.
9359         * tree-ssa-loop-ivopts.c: Likewise.
9360         * tree-ssa-loop-manip.c: Likewise.
9361         * tree-ssa-loop-niter.c: Likewise.
9362         * tree-ssa-loop-prefetch.c: Likewise.
9363         * tree-ssa-phiprop.c: Likewise.
9364         * tree-ssa-pre.c: Likewise.
9365         * tree-ssa-reassoc.c: Likewise.
9366         * tree-ssa-sccvn.c: Likewise.
9367         * tree-ssa-structalias.c: Likewise.
9368         * tree-ssa.c: Likewise.
9369         * tree-vect-data-refs.c: Likewise.
9370         * tree-vect-loop-manip.c: Likewise.
9371         * tree-vect-loop.c: Likewise.
9372         * tree-vect-patterns.c: Likewise.
9373         * tree-vect-slp.c: Likewise.
9374         * tree-vect-stmts.c: Likewise.
9375         * tree-vrp.c: Likewise.
9376         * tree.c: Likewise.
9377         * value-prof.c: Likewise.
9378         * var-tracking.c: Likewise.
9379         * varasm.c: Likewise.
9380         * vmsdbgout.c: Likewise.
9381
9382 2010-08-19  Nathan Sidwell  <nathan@codesourcery.com>
9383             Richard Guenther  <richard.guenther@gmail.com>
9384
9385         * gimplify.c (gimplify_modify_expr): When assigning to volatiles,
9386         copy the src value and return a copy.
9387         * doc/extend.texi (Volatiles): Move from C++ to C and expand.
9388         (C++ Volatiles): Adjust to describe C++ semantics only.
9389
9390 2010-08-20  Joseph Myers  <joseph@codesourcery.com>
9391
9392         * doc/tm.texi.in (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Document to
9393         be zero or nonzero.
9394         * doc/tm.texi: Regenerate.
9395         * defaults.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define.
9396         * df-scan.c (df_get_exit_block_use_set), reginfo.c
9397         (init_reg_sets_1), rtlanal.c (rtx_unstable_p, rtx_varies_p):
9398         Handle new PIC_OFFSET_TABLE_REG_CALL_CLOBBERED semantics.
9399         * config/ia64/ia64.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define
9400         to 1.
9401
9402 2010-08-20  Olivier Hainque  <hainque@adacore.com>
9403
9404         * config/sparc/sparc.c (sparc_asm_function_epilogue): Don't output
9405         an extra nop past a sibling call at the very end.
9406
9407 2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>
9408
9409         PR bootstrap/45350
9410         * combine.c (try_combine): Initialize i1_is_used and i2_is_used.  Fix
9411         a comment.
9412
9413 2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>
9414
9415         * target.def (function_arg, function_incoming_arg): Remove const
9416         qualifier on CUMULATIVE_ARGS parameter.
9417         * targhooks.h (default_function_arg, default_function_incoming_arg):
9418         Likewise.
9419         * targhooks.c (default_function_arg, default_function_incoming_arg):
9420         Likewise.
9421         * config/i386/i386.c (ix86_function_arg): Likewise.
9422
9423 2010-08-19  Jakub Jelinek  <jakub@redhat.com>
9424
9425         PR target/45336
9426         * simplify-rtx.c (simplify_unary_operation_1): Optimize nested
9427         SIGN_EXTENDs or ZERO_EXTENDs.
9428
9429 2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>
9430
9431         PR target/42172
9432         * combine.c (combine_validate_cost): New arg I0.  All callers changed.
9433         Take its cost into account if nonnull.
9434         (insn_a_feeds_b): New static function.
9435         (combine_instructions): Look for four-insn combinations.
9436         (can_combine_p): New args PRED2, SUCC2.  All callers changed.  Take
9437         them into account when computing all_adjacent and looking for other
9438         uses.
9439         (combinable_i3pat): New args I0DEST, I0_NOT_IN_SRC.  All callers
9440         changed.  Treat them like I1DEST and I1_NOT_IN_SRC.
9441         (try_combine): New arg I0.  Handle four-insn combinations.
9442         (distribute_notes): New arg ELIM_I0.  All callers changed.  Treat it
9443         like ELIM_I1.
9444
9445 2010-08-19  Jason Merrill  <jason@redhat.com>
9446
9447         PR c++/45307
9448         * gimplify.c (gimplify_init_constructor): Just return GS_UNHANDLED
9449         if ctor is empty.
9450         (gimplify_modify_expr_rhs): Adjust.
9451
9452 2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>
9453
9454         * cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to
9455         bitmap_bit_p.
9456         * config/bfin/bifn.c (bfin_discover_loop): Likewise.
9457         * dominance.c (iterate_fix_dominators): Likewise.
9458         * dse.c (set_usage_bits): Likewise.
9459         (set_position_unneeded, record_store): Likewise.
9460         * gimple-fold.c (get_maxval_strlen): Likewise.
9461         * haifa-sched.c (fix_inter_tick, fix_recovery_deps): Likewise.
9462         * ipa-inline.c (update_caller_keys): Likewise.
9463         * ipa-split.c (verify_non_ssa_vars): Likewise.
9464         * ipa-type-escape.c (mark_type, close_type_seen): Likewise.
9465         (close_type_exposed_parameter, close_type_full_escape): Likewise.
9466         (close_addressof_down): Likewise.
9467         * ira-color.c (assign_hard_reg, push_allocno_to_stack): Likewise.
9468         (setup_allocno_left_conflicts_size): Likewise.
9469         (ira_reassign_conflict_allocnos): Likewise.
9470         (ira_reassign_pseudos): Likewise.
9471         * ira-emit.c (change_loop): Likewise.
9472         * loop-invariant.c (mark_regno_live, mark_regno_death): Likewise.
9473         * lto-streamer-out.c (write_symbol): Likewise.
9474         * predict.c (expr_expected_value_1): Likewise.
9475         * regstat.c (regstat_bb_compute_ri): Likewise.
9476         * sel-sched.c (create_block_for_bookkeeping): Likewise.
9477         (track_scheduled_insns_and_blocks, sel_sched_region_1): Likewise.
9478         * stmt.c (expand_case): Likewise.
9479         * tree-eh.c (emit_eh_dispatch): Likewise.
9480         * tree-into-ssa.c (prune_unused_phi_nodes): Likewise.
9481         * tree-loop-distribution.c (make_nodes_having_upstream_mem_writes):
9482         Likewise.
9483         (rdg_flag_vertex, rdg_flag_loop_exits): Likewise.
9484         (rdg_build_components): Likewise.
9485         * tree-object-size.c (collect_object_sizes_for): Likewise.
9486         * tree-sra.c (convert_callers): Likewise.
9487         * tree-ssa-coalesce.c (live_track_add_partition): Likewise.
9488         * tree-ssa-live.c (mark_all_vars_used_1): Likewise.
9489         * tree-ssa-pre.c (bitmap_set_replace_value): Likewise.
9490
9491 2010-08-19  Uros Bizjak  <ubizjak@gmail.com>
9492
9493         * config/i386/i386.md (*lea_1): Use P mode iterator.
9494         (lea add splitter): Also handle DImode operands.
9495         (DImode lea add splitter): Use x86_64_immediate_operand for operand 2
9496         predicate.  Do not use ix86_lea_for_add_ok.
9497         (zext DImode lea add splitter): Use ix86_lea_for_add_ok.
9498         (lea ashift splitter): Also handle DImode operands.
9499         (DImode lea ashift splitter): Remove splitter.
9500
9501 2010-08-19  Uros Bizjak  <ubizjak@gmail.com>
9502
9503         * config/i386/i386.md (*add<SWI:mode>3_cconly_overflow): Do not use
9504         ix86_binary_operator_ok.
9505
9506 2010-08-19  Andrey Belevantsev  <abel@ispras.ru>
9507
9508         PR rtl-optimization/44691
9509         * sel-sched.c (count_occurrences_1): Also punt when SUBREG_REG
9510         is not a register.
9511
9512 2010-08-19  Ian Bolton  <ian.bolton@arm.com>
9513
9514         PR target/45070
9515         * config/arm/arm.c (arm_output_epilogue): Ensure that return
9516          value of size 1-3 is handled correctly.
9517
9518 2010-08-19  Ian Bolton  <ian.bolton@arm.com>
9519
9520         * tree-switch-conversion.c (gen_inbound_check): Ensure that the
9521         type for the conditional has wide enough range.
9522
9523 2010-08-18  Uros Bizjak  <ubizjak@gmail.com>
9524
9525         PR target/45327
9526         * config/i386/i386.md (<any_or:code><SWI:mode>_3): Do not use
9527         ix86_binary_operator_ok.
9528
9529 2010-08-18  Uros Bizjak  <ubizjak@gmail.com>
9530
9531         * config/i386/i386.md (*add<mode>_1) <TYPE_LEA>: Split insn to lea.
9532         <default>:  Swap operands 1 and 2 for alternative 2 to use existing
9533         code to output insn mnemonic.  Fix comment.
9534         (*addsi_1_zext): Add r-r-0 alternative 1.
9535         <TYPE_LEA>: Split insn to lea.
9536         <default>: Handle alternative 1.
9537         (*addhi_1_lea): Add r-r-0 alternative 2.  Use cond RTX instead of
9538         multi-level if_then_else RTX to set "type" attribute.
9539         <default>: Handle alternative 2.
9540         (*addqi_1_lea): Add q-q-0 alternative 2 and r-r-0 alternative 4.
9541         Use cond RTX instead of multi-level if_then_else RTX to set
9542         "type" attribute.
9543         <default>: Handle alternatives 2 and 4.
9544         (lea splitters): Update calls to ix86_lea_for_add_ok.
9545
9546         * config/i386/i386.c (ix86_lea_for_add_ok): Remove unused "code"
9547         argument.
9548         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Update prototype.
9549
9550 2010-08-18  Richard Guenther  <rguenther@suse.de>
9551
9552         * tree-ssa-uninit.c (find_uninit_use): Disregard debug stmts,
9553         use operand helpers.
9554
9555 2010-08-18  Paolo Bonzini  <bonzini@gnu.org>
9556
9557         PR middle-end/45292
9558         * optabs.c (expand_bool_compare_and_swap): Expand pending
9559         pops before trying the optab.
9560
9561 2010-08-18  Yao Qi  <yao@codesourcery.com>
9562
9563         PR target/45094
9564         * config/arm/arm.c (output_move_double): Fix typo generating
9565         instructions ('ldr'->'str').
9566
9567 2010-08-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
9568
9569         PR rtl-optimization/42575
9570         * optabs.c (expand_doubleword_mult): Generate new pseudos to shorten
9571         live ranges.
9572
9573 2010-08-18  Marcus Shawcroft  <marcus.shawcroft@arm.com>
9574
9575         * config/arm/arm-protos.h (arm_expand_sync): New.
9576         (arm_output_memory_barrier, arm_output_sync_insn): New.
9577         (arm_sync_loop_insns): New.
9578         * config/arm/arm.c (FL_ARCH7): New.
9579         (FL_FOR_ARCH7): Include FL_ARCH7.
9580         (arm_arch7): New.
9581         (arm_print_operand): Support %C markup.
9582         (arm_legitimize_sync_memory): New.
9583         (arm_emit, arm_insn_count, arm_count, arm_output_asm_insn): New.
9584         (arm_process_output_memory_barrier, arm_output_memory_barrier): New.
9585         (arm_ldrex_suffix, arm_output_ldrex, arm_output_strex): New.
9586         (arm_output_op2, arm_output_op3, arm_output_sync_loop): New.
9587         (arm_get_sync_operand, FETCH_SYNC_OPERAND): New.
9588         (arm_process_output_sync_insn, arm_output_sync_insn): New.
9589         (arm_sync_loop_insns,arm_call_generator, arm_expand_sync): New.
9590         * config/arm/arm.h (struct arm_sync_generator): New.
9591         (TARGET_HAVE_DMB, TARGET_HAVE_DMB_MCR): New.
9592         (TARGET_HAVE_MEMORY_BARRIER): New.
9593         (TARGET_HAVE_LDREX, TARGET_HAVE_LDREXBHD): New.
9594         * config/arm/arm.md: Include sync.md.
9595         (UNSPEC_MEMORY_BARRIER): New.
9596         (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK): New.
9597         (VUNSPEC_SYNC_OP):New.
9598         (VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): New.
9599         (sync_result, sync_memory, sync_required_value): New attributes.
9600         (sync_new_value, sync_t1, sync_t2): Likewise.
9601         (sync_release_barrier, sync_op): Likewise.
9602         (length): Add logic to length attribute defintion to call
9603         arm_sync_loop_insns when appropriate.
9604         * config/arm/sync.md: New file.
9605
9606 2010-08-17  Jakub Jelinek  <jakub@redhat.com>
9607
9608         * tree.h (host_integerp): Add ATTRIBUTE_PURE when not
9609         ENABLE_TREE_CHECKING.
9610         (tree_low_cst): Add inline version for !ENABLE_TREE_CHECKING
9611         and GCC >= 4.3.
9612
9613 2010-08-17  H.J. Lu  <hongjiu.lu@intel.com>
9614
9615         * config/i386/i386.c (ix86_lea_for_add_ok): For !TARGET_OPT_AGU
9616         or optimizing for size, always avoid lea if possible.
9617
9618         * config/i386/i386.md (*add<mode>_1): Always avoid lea if possible.
9619
9620 2010-08-17  Iain Sandoe  <iains@gcc.gnu.org>
9621
9622         * unwind-dw2-fde-darwin.c (_darwin10_Unwind_FindEnclosingFunction):
9623         Dunmmy function with NULL return unless the target is
9624         OSX >= 10.6 (Darwin10).
9625
9626 2010-08-17  Jack Howarth  <howarth@bromo.med.uc.edu>
9627
9628         * gcc.c (spec_function): Add remove-outfile.
9629         (remove_outfile_spec_function): New function.
9630         * config/darwin.h (LINK_SPEC): Add removal of -ldl, -lm and -lpthread.
9631         * invoke.texi (replace-outfile): Document.
9632
9633 2010-08-17  Uros Bizjak  <ubizjak@gmail.com>
9634
9635         PR target/45296
9636         * reginfo.c (globalize_reg): Reject stack registers.
9637
9638 2010-08-17  Richard Guenther  <rguenther@suse.de>
9639
9640         * tree-ssa-dom.c (struct edge_info): Use a VEC for the
9641         list of conditional equivalences.
9642         (free_all_edge_infos): Adjust.
9643         (record_equivalences_from_incoming_edge): Likewise.
9644         (record_cond): Likewise.
9645         (build_and_record_new_cond): Likewise.
9646         (record_conditions): Likewise.
9647         (dom_opt_leave_block): Likewise.
9648
9649 2010-08-17  Kai Tietz  <kai.tietz@onevision.com>
9650
9651         * doc/invoke.texi (ms-extension): Add documentation.
9652
9653 2010-08-17  Richard Guenther  <rguenther@suse.de>
9654
9655         * fold-const.c (fold_comparison): Strip nops inside POINTER_PLUS_EXPR.
9656
9657 2010-08-17  Shujing Zhao  <pearly.zhao@oracle.com>
9658
9659         PR c/40563
9660         * c-decl.c (diagnose_uninitialized_cst_member): New function.
9661         (finish_decl): Use it to issue a -Wc++-compat warning about
9662         uninitialized const field in struct or union.
9663
9664         (finish_struct): Use strip_array_types.
9665
9666 2010-08-17  Jakub Jelinek  <jakub@redhat.com>
9667
9668         * function.c (block_fragments_nreverse, blocks_nreverse_all): New
9669         functions.
9670         (reorder_blocks): Use blocks_nreverse_all instead of blocks_nreverse.
9671         (reorder_blocks_1): Assert BLOCK_FRAGMENT_ORIGIN is NULL.  Don't
9672         call block_nreverse here.
9673         (blocks_nreverse): Rename decl temporary to block.
9674
9675 2010-08-16  Bernd Schmidt  <bernds@codesourcery.com>
9676
9677         * config/arm/thumb2.md (thumb2_notsi_shiftsi,
9678         thumbsi_notsi_shiftsi_compare0, thumb2_not_shiftsi_compare0_scratch,
9679         thumb2_cmpsi_shiftsi, thumb2_cmpsi_shiftsi_swp, thumb2_arith_shiftsi,
9680         thumb2_arith_shiftsi splitter, thumb2_arith_shiftsi_compare0,
9681         thumb2_arith_shiftsi_compare0_scratch, thumb2_sub_shiftsi,
9682         thumb2_sub_shiftsi_compare0, thumb2_sub_shiftsi_compare0_scratch,
9683         thumb2_iorsi3): Delete.
9684         (orsi_notsi_si): No longer a named pattern.
9685         (orsi_not_shiftsi_si): Renamed from thumb_orsi_not_shiftsi_si.
9686         * config/arm/predicates.md (shift_amount_operand): New.
9687         (mult_operator): New.
9688         * config/arm/arm.md (attr arch, attr arch_enabled, attr insn_enabled,
9689         attr enabled): New.
9690         (iorsi3_insn): Renamed from arm_iorsi3.  Handle a new alternative if
9691         arch matches t2.
9692         (not_shiftsi): Renamed from arm_notsi_shiftsi.  Handle Thumb2 variant.
9693         (not_shiftsi_compare0): Likewise, renamed from
9694         arm_notsi_shiftsi_compare0.
9695         (not_shiftsi_compare0_scratch): Likweise, renamed from
9696         arm_notsi_shiftsi_compare0_scratch.
9697         (cmpsi_shiftsi): Likewise, renamed from arm_cmpsi_shiftsi.
9698         (cmpsi_shiftsi_swp): Likewise, renamed from arm_cmpsi_shiftsi_swp.
9699         (arith_shiftsi): Handle Thumb2 variant.  Set insn_enabled attribute
9700         so that the register alternative is disabled when the shift_operator
9701         is MULT.  Use "M" as the constraint for constants.
9702         (arith_shiftsi splitter): Enable for TARGET_32BIT.
9703         (arith_shiftsi_compare0): Handle Thumb2 variant.  Use "M" as the
9704         constraint for constants.
9705         (arith_shiftsi_compare0_scratch): Likewise.
9706         (sub_shiftsi, sub_shiftsi_compare0, sub_shiftsi_compare0_scratch):
9707         Handle Thumb2 alternative.
9708
9709 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
9710
9711         * doc/options.texi (NoDriverArg): Document.
9712         * gcc.c (cpp_unique_options): Generate -MD and -MMD instead of
9713         -MDX and -MMDX.
9714         * opt-functions.awk (switch_flags): Handle NoDriverArg.
9715         * opts-common.c (decode_cmdline_option): Ignore CL_SEPARATE
9716         marking for CL_NO_DRIVER_ARG options when in the driver.
9717         * opts.h (CL_NO_DRIVER_ARG): Define.
9718         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
9719         CL_COMMON): Update values.
9720
9721 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
9722
9723         * common.opt: Add driver options.
9724         (auxbase, auxbase-strip, quiet, version): Mark RejectDriver.
9725         * doc/options.texi (Driver, RejectDriver): Document.
9726         * gcc.c (pass_exit_codes, print_search_dirs, print_file_name,
9727         print_prog_name, print_multi_directory, print_sysroot,
9728         print_multi_os_directory, print_multi_lib,
9729         print_sysroot_headers_suffix, report_times, combine_flag,
9730         use_pipes, wrapper_string): Remove.
9731         (save_switch, driver_unknown_option_callback,
9732         driver_wrong_lang_callback, driver_post_handling_callback,
9733         driver_handle_option): New.
9734         (spec_lang, last_language_n_infiles): Make file-scope static
9735         instead of local to process_command.
9736         (process_command): Use decode_cmdline_options_to_array and
9737         read_cmdline_option for option processing.  Compute have_c in
9738         prescan of decoded options.
9739         * opt-functions.awk (switch_flags): Handle Driver and
9740         RejectDriver.
9741         (var_type, var_type_struct): Handle Separate options as generating
9742         const char * variables.
9743         * opts-common.c (decode_cmdline_option): Expect CL_COMMON and
9744         CL_TARGET to be passed by caller if required.
9745         (decode_cmdline_options_to_array): Update comment.
9746         * opts.c (complain_wrong_lang): Handle options only valid for the
9747         driver.
9748         (decode_options): Update call to decode_cmdline_options_to_array.
9749         (print_filtered_help): Ignore driver-only options.
9750         (print_specific_help): Ignore CL_DRIVER.
9751         (common_handle_option): Don't call print_specific_help for CL_DRIVER.
9752         * opts.h (CL_DRIVER, CL_REJECT_DRIVER): Define.
9753         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, CL_COMMON):
9754         Update values.
9755
9756 2010-08-16  Richard Guenther  <rguenther@suse.de>
9757
9758         * tree-cfg.c (verify_types_in_gimple_reference): Verify
9759         TARGET_MEM_REF a bit.
9760         * tree-ssa-address.c (addr_for_mem_ref): Adjust.
9761         (create_mem_ref_raw): Always create TMR_OFFSET, store the
9762         alias pointer type via it.
9763         (copy_mem_ref_info): Adjust.
9764         (maybe_fold_tmr): Likewise.
9765         * tree.c (mem_ref_offset): Also handle TARGET_MEM_REF.
9766         (reference_alias_ptr_type): Likewise.
9767         * tree.def (TARGET_MEM_REF): Remove TMR_ORIGINAL operand,
9768         adjust documentation of TMR_OFFSET operand.
9769         * alias.c (get_alias_set): Do not look at TMR_ORIGINAL but
9770         use the alias pointer type.
9771         * expr.c (expand_expr_real_1): Do not use TMR_ORIGINAL to
9772         initialize mem attrs but the TMR itself.
9773         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REF
9774         similar to MEM_REF.
9775         * tree-pretty-print.c (dump_generic_node): Do not dump TMR_ORIGINAL.
9776         * tree-ssa-loop-ivopts.c (idx_remove_ssa_names): Remove.
9777         (unshare_and_remove_ssa_names): Likewise.
9778         (copy_ref_info): Adjust.
9779         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Simplify
9780         TARGET_MEM_REF case.
9781         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Do not look
9782         at TMR_ORIGINAL.
9783         * tree.h (TMR_ORIGINAL): Remove.
9784         * gimple.c (get_base_address): For TARGET_MEM_REF with a
9785         symbol return that.
9786         * tree-dfa.c (get_ref_base_and_extent): Handle TARGET_MEM_REF
9787         with a symbol.
9788         (get_addr_base_and_unit_offset): Likewise.
9789         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Handle
9790         TARGET_MEM_REFs.
9791         (indirect_ref_may_alias_decl_p): Likewise.
9792         (refs_may_alias_p_1): Do not bail out for TARGET_MEM_REFs.
9793
9794 2010-08-15  Uros Bizjak  <ubizjak@gmail.com>
9795
9796         * doc/invoke.texi (-fomit-frame-pointer): Document that starting
9797         with GCC version 4.6, the default setting (when not optimizing
9798         for size) for 32-bit Linux x86 and 32-bit Darwin x86 targets has
9799         been changed to -fomit-frame-pointer.
9800
9801 2010-08-15  Iain Sandoe  <iains@gcc.gnu.org>
9802
9803         * config/darwin.h (REAL_LIBGCC_SPEC): Remove libgcc_s.10.5 stub for
9804         Darwin10.  Do not link libgcc.a for Darwin >= 9.
9805
9806 2010-08-15  Gerald Pfeifer  <gerald@pfeifer.com>
9807
9808         * doc/invoke.texi (Warning Options): Fix terminology and markup
9809         in the description of how unknown warning options are handled.
9810
9811 2010-08-15  Ira Rosen  <irar@il.ibm.com>
9812
9813         * tree-vect-data-refs.c (vect_setup_realignment): Support realignment
9814         in basic blocks.
9815         (vect_supportable_dr_alignment): Check alignment for basic blocks.
9816         * tree-vect-slp.c (vect_build_slp_tree): Allow different codes for
9817         data references.
9818         (vect_bb_vectorization_profitable_p): New function.
9819         (vect_slp_analyze_bb): Call vect_bb_vectorization_profitable_p() to
9820         check if it's worthwhile to vectorize the basic block.
9821
9822 2010-08-14  Anatoly Sokolov  <aesok@post.ru>
9823
9824         * reload.h (register_move_cost, memory_move_secondary_cost,
9825         secondary_reload_class): Adjust prototype.
9826         * rtl.h (reg_class_subset_p): Adjust prototype.
9827         * reload.c (secondary_reload_class): Change arguments type from
9828         enum reg_class to reg_class_t. Change result type to reg_class_t.
9829         * reginfo.c (register_move_cost, reg_class_subset_p): Change
9830         arguments type from enum reg_class to reg_class_t.
9831         (memory_move_secondary_cost): Change arguments type from
9832         enum reg_class to reg_class_t. Change type of saved_flags to
9833         reg_class_t.
9834
9835         * config/mips/mips.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
9836         Remove macros.
9837         (mips_cost): Remove.
9838         (struct mips_rtx_cost_data): Moved to mips.c.
9839         * config/mips/mips-protos.h (mips_register_move_cost): Remove.
9840         * config/mips/mips.c (struct mips_rtx_cost_data): Moved from mips.h.
9841         (mips_cost): Make static.
9842         (mips_canonicalize_move_class): Change argument type to reg_class_t.
9843         Change result type to reg_class_t.
9844         (mips_move_to_gpr_cost, mips_move_from_gpr_cost): Change arguments
9845         type from enum reg_class to reg_class_t.
9846         (mips_register_move_cost): Make static. Change arguments
9847         type from enum reg_class to reg_class_t.
9848         (mips_memory_move_cost): New function.
9849         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
9850
9851 2010-08-14  Richard Sandiford  <rdsandiford@googlemail.com>
9852
9853         PR rtl-optimization/43358
9854         * ira-lives.c (process_single_reg_class_operands): Adjust the costs
9855         of a single hard register, using simplify_subreg_regno to decide
9856         what that register should be.
9857
9858 2010-08-14  Mingjie Xing  <mingjie.xing@gmail.com>
9859
9860         * config/mips/mips.c (CODE_FOR_loongson_pmullh): Define.
9861         * config/mips/loongson.md (UNSPEC_LOONGSON_PMULL): Delete.
9862         (loongson_pmull<V_suffix>): Rename to...
9863         (mul<mode>3): ...this and use MULT instead of an UNSPEC.
9864
9865 2010-08-13  Jack Howarth  <howarth@bromo.med.uc.edu>
9866
9867         * configure.ac: Enable -fomit-frame-pointer on darwin
9868         which support dwarf2.
9869         * config/i386/i386.c (override_options): Same.
9870
9871 2010-08-13  Jie Zhang  <jie@codesourcery.com>
9872
9873         * config/arm/arm.md (cstoredf4): Only valid when !TARGET_VFP_SINGLE.
9874
9875 2010-08-12  Joseph Myers  <joseph@codesourcery.com>
9876
9877         * gcc.c (cpp_unique_options): Generate -MDX and -MMDX from -MD and
9878         -MMD.
9879
9880 2010-08-12  Changpeng Fang  <changpeng.fang@amd.com>
9881
9882         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Give
9883         up dot_prod pattern searching if a stmt is outside the loop.
9884
9885 2010-08-12  H.J. Lu  <hongjiu.lu@intel.com>
9886             Uros Bizjak  <ubizjak@gmail.com>
9887
9888         * config.gcc: Handle --enable-frame-pointer.
9889
9890         * configure.ac: Add --enable-frame-pointer.
9891         * configure: Regenerated.
9892
9893         * config/i386/i386.c (USE_IX86_FRAME_POINTER): Default to 0.
9894         (override_options): If not configured with --enable-frame-pointer,
9895         enable -fomit-frame-pointer (but not for TARGET_MACHO or when
9896         optimizing for size), -fasynchronous-unwind-tables and
9897         -maccumulate-outgoing-args by default.
9898
9899 2010-08-12  Jakub Jelinek  <jakub@redhat.com>
9900
9901         * builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.
9902
9903         PR middle-end/45262
9904         * fold-const.c (make_range) <case NEGATE_EXPR>: Punt if
9905         -a overflows.  Normalize the range.
9906
9907 2010-08-12  Richard Guenther  <rguenther@suse.de>
9908
9909         PR tree-optimization/45232
9910         * tree-ssa-reassoc.c (can_reassociate_p): Disable re-association
9911         for types with undefined overflow.
9912         (reassociate_bb): Allow re-associating of bit and min/max
9913         operations for types with undefined overflow.
9914         * tree-ssa-forwprop.c (associate_plusminus): New function.
9915         (tree_ssa_forward_propagate_single_use_vars): Call it.
9916
9917 2010-08-12  Richard Guenther  <rguenther@suse.de>
9918
9919         * tree-flow.h (struct ptr_info_def): Add align and misalign fields.
9920         * tree-ssa-alias.c (get_ptr_info): Move ...
9921         * tree-ssanames.c (get_ptr_info): ... here.  Initialize
9922         align and misalign fields conservatively.
9923         * tree-ssa-ccp.c (ccp_finalize): From partially constant pointers
9924         derive alignment information.
9925         (evaluate_stmt): Derive alignment information from memory
9926         allocation functions.
9927         * tree.h (get_pointer_alignment): Make unsigned.
9928         * builtins.c (get_object_alignment): Use alignment information we
9929         have computed for pointers.
9930         (get_pointer_alignment): Likewise.  Make conservative, return
9931         and unsigned value.
9932         (expand_builtin_strlen): Adjust.
9933         (expand_builtin_memcmp): Likewise.
9934         (expand_builtin_strcmp): Likewise.
9935         (expand_builtin_strncmp): Likewise.
9936         (get_builtin_sync_mem): Use at least mode alignment.
9937         (fold_builtin_memset): Adjust.
9938         (fold_builtin_memory_op): Likewise.
9939         * gimple-pretty-print.c (dump_gimple_phi): Alongside alias
9940         information also dump pointer alignment knowledge.
9941         (dump_gimple_stmt): Likewise.
9942
9943 2010-08-12  Uros Bizjak  <ubizjak@gmail.com>
9944
9945         * config/i386/i386.c (LONG_TYPE_SIZE): Remove.
9946         (EMPTY_FIELD_BOUNDARY): Remove.
9947         * config/i386/i386-interix.h (PCC_BITFIELD_TYPE_MATTERS): Remove.
9948
9949 2010-08-12  Jakub Jelinek  <jakub@redhat.com>
9950
9951         PR debug/45259
9952         * caller-save.c (save_call_clobbered_regs): Only swap notes with
9953         DEBUG_INSNs if n_regs_saved.
9954
9955 2010-08-12  Wei Guozhi  <carrot@google.com>
9956
9957         PR target/44999
9958         * config/arm/arm.md (andsi3): Change to zero extension if possible.
9959         * config/arm/thumb2.md (thumb2_zero_extendqisi2_v6): Change the name.
9960
9961 2010-08-11  Vladimir Makarov  <vmakarov@redhat.com>
9962
9963         * ira-int.h (ira_remove_allocno_copy_from_list): Remove.
9964
9965         * ira-build.c (ira_remove_allocno_copy_from_list): Remove.
9966
9967 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
9968
9969         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
9970         the case removed in the previous patch, when the only phi argument
9971         is defined in the same loop as the phi node itself.  Handle it
9972         separately from the invariant case by both propagating it outside
9973         the region and replacing the phi node with an assign.
9974
9975 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
9976
9977         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
9978         constant phi nodes with one argument are is_gimple_min_invariant
9979         and SSA_NAME_IS_DEFAULT_DEF.
9980
9981 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
9982
9983         * graphite-cloog-util.c (oppose_constraint):
9984         Extend loop counter's value range (CLOOG_ORG).
9985         (cloog_matrix_to_ppl_constraint): Same.
9986         (new_Constraint_System_from_Cloog_matrix): Same.
9987         * graphite-cloog-compat.h (matrix_num_type): New.
9988
9989 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
9990
9991         * graphite.c (graphite_initialize): Do not initialize
9992         CLooG and initialize the Parma Polyhedra Library
9993         manually when using CLOOG_ORG.
9994         (graphite_finalize): Do not finalize CLooG and finalize
9995         the Parma Polyhedra Library manually when using CLOOG_ORG.
9996         * graphite-cloog-compat.h (cloog_initialize): Hide function
9997         when using CLOOG_ORG.
9998         (cloog_finalize): Same.
9999
10000 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10001
10002         * graphite-clast-to-gimple.c (free_scattering): Change
10003         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
10004         (CLOOG_ORG).
10005         (build_cloog_prog): Same.
10006         * graphite-cloog-compat.h (cloog_domain): Removed.
10007         (cloog_scattering): New.
10008         (cloog_set_domain): Removed.
10009         (cloog_set_scattering): New.
10010         (cloog_next_domain): Removed.
10011         (cloog_next_scattering): New.
10012         (cloog_set_next_domain): Removed.
10013         (cloog_set_next_scattering): New.
10014         (CloogScatteringList): New.
10015         (CloogScattering): New.
10016         (cloog_scattering_free): New.
10017         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
10018         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
10019         New.
10020
10021 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10022
10023         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
10024         CloogState.
10025         (set_cloog_options): Same.
10026         (print_clast_stmt): Same.
10027         (scop_to_clast): Same.
10028         (print_generated_program): Same.
10029         (gloog): Same.
10030         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
10031         (scop_to_clast): Extend with CloogState.
10032         * graphite-cloog-util.c: Include graphite-cloog-compat.h
10033         (new_Cloog_Domain_from_ppl_Polyhedron):
10034         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
10035         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
10036         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
10037         * graphite-cloog-util.h (build_cloog_prog): Same.
10038         * graphite-cloog-copat.h (build_cloog_prog): New.
10039         (CloogState): New.
10040         (cloog_state_malloc): New.
10041         (cloog_state_free): New.
10042         (cloog_loop_malloc): New.
10043         (cloog_options_malloc): New.
10044         (cloog_statement_alloc): New.
10045         (cloog_domain_from_cloog_matrix): New.
10046         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
10047         (new_Cloog_Domain_from_ppl_Polyhedron): New.
10048
10049 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10050
10051         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
10052         type of NAME now depends on used CLooG version.
10053         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
10054         (gcc_type_for_clast_expr): Same.
10055         (print_clast_stmt): Replace pprint with clast_pprint.
10056         * graphite-cloog-compat.h: Provide compatibility macros for
10057         CLooG Legacy.
10058         (clast_name_p): New.
10059         (clast_expr_term): New.
10060         (clast_expr_red): New.
10061         (clast_expr_bin): New.
10062         (clast_pprint): New.
10063
10064 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10065
10066         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
10067         compatible to newer CLooG releases (CLOOG_ORG).
10068         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
10069         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
10070         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
10071         (build_cloog_prog) : New.
10072         (cloog_program_extract_scalars): New.
10073         (cloog_program_scatter): New.
10074
10075 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10076
10077         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
10078         conditionally (CLOOG_ORG).
10079         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
10080         (cloog_statement_usr): New.
10081         (cloog_domain): Same.
10082         (cloog_set_domain): Same.
10083         (cloog_next_domain): Same.
10084         (cloog_set_next_domain): Same.
10085         (cloog_program_nb_scattdims): Same.
10086         (cloog_program_set_nb_scattdims): Same.
10087         (cloog_program_names): Same.
10088         (cloog_program_set_names): Same.
10089         (cloog_program_set_context): Same.
10090         (cloog_program_set_loop): Same.
10091         (cloog_program_blocklist): Same.
10092         (cloog_program_set_blocklist): Same.
10093         (cloog_program_scaldims): Same.
10094         (cloog_program_set_scaldims): Same.
10095         (cloog_names_nb_parameters): Same.
10096         (cloog_names_set_nb_parameters): Same.
10097         (cloog_names_parameters): Same.
10098         (cloog_names_set_parameters): Same.
10099         (cloog_names_set_nb_iterators): Same.
10100         (cloog_names_set_iterators): Same.
10101         (cloog_names_set_nb_scattering): Same.
10102         (cloog_names_set_scattering): Same.
10103         (cloog_statement_set_usr): Same.
10104         (cloog_loop_set_next): Same.
10105         (cloog_loop_set_domain): Same.
10106         (cloog_loop_set_block): Same.
10107         (cloog_block_list_next): Same.
10108         (cloog_block_list_set_next):
10109         (cloog_block_list_set_block): Same.
10110
10111 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10112
10113         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
10114         a bool.
10115         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
10116         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
10117         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
10118         when something has been changed.
10119         (rewrite_commutative_reductions_out_of_ssa): Same.
10120
10121 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10122
10123         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
10124         handle the case when def is in the sese region.
10125         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
10126         for invariant expressions.
10127         (rewrite_cross_bb_phi_deps): Removed.
10128         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
10129         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
10130         rewrite_cross_bb_phi_deps.
10131
10132 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10133
10134         * graphite-sese-to-poly.c
10135         (rewrite_commutative_reductions_out_of_ssa_loop): Call
10136         scev_analyzable_p only on is_gimple_reg
10137
10138 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10139
10140         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
10141         (rewrite_close_phi_out_of_ssa): Propagate constant values or
10142         parametric expressions outside the scop region.
10143         (rewrite_cross_bb_scalar_deps): Same.
10144         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
10145
10146 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10147
10148         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
10149         SSA_NAME_DEF_STMT only on SSA_NAMEs.
10150
10151 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10152
10153         * tree-scalar-evolution.c (instantiate_scev_name): Do not
10154         instantiate default definitions.
10155
10156 2010-08-11  Vladimir Kargov  <kargov@gmail.com>
10157             Sebastian Pop  <sebastian.pop@amd.com>
10158
10159         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
10160         (loop_exits_from_bb_p): New.
10161         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
10162         (loop_exits_from_bb_p): Declared.
10163         * graphite-scop-detection.c (scopdet_basic_block_info): Call
10164         loop_exits_to_bb_p.
10165
10166 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10167
10168         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
10169         extra parameter for the region.  Call scev_analyzable_p.
10170         (rewrite_reductions_out_of_ssa): Update call to
10171         rewrite_close_phi_out_of_ssa.
10172         (rewrite_cross_bb_phi_deps): Same.
10173         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
10174         parameter for the region.  Call scev_analyzable_p.
10175         (rewrite_commutative_reductions_out_of_ssa): Update call to
10176         rewrite_commutative_reductions_out_of_ssa_loop.
10177
10178 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10179
10180         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
10181
10182 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10183
10184         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
10185         SSA scalar phi nodes that can be scev_analyzable_p.
10186
10187 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10188
10189         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
10190         handle SSA_NAME_IS_DEFAULT_DEF.
10191
10192 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10193
10194         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
10195
10196 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10197
10198         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
10199         case non close-phi nodes with one argument.
10200
10201 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10202
10203         * sese.h (scev_analyzable_p): Scevs could be expressions without
10204         chrecs and still be scev_analyzable_p.
10205
10206 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10207
10208         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
10209
10210 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10211
10212         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
10213         * cfgloop.h (struct loop): Remove single_iv field.
10214         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
10215         (scop_canonicalize_loops): Removed.
10216         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
10217         over all the loop phi nodes in loop->header.
10218         (build_poly_scop): Remove use of scop_canonicalize_loops.
10219
10220 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10221
10222         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
10223         handle GIMPLE_CALL.
10224
10225 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10226
10227         * tree-chrec.c (chrec_apply): Should only apply to the specified
10228         variable.  Also handle multivariate chains of recurrences that
10229         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
10230
10231 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10232
10233         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
10234         (debug_clast_name_indexes_1): Removed.
10235         (debug_clast_name_indexes): Removed.
10236         (pbb_to_depth_to_oldiv): Removed.
10237         (build_iv_mapping): Replace the use of rename_map with iv_map.
10238         (translate_clast_user): Remove uses of rename_map.  Allocate and
10239         free iv_map.
10240         (translate_clast_for_loop): Remove uses of rename_map.
10241         (translate_clast_for): Same.
10242         (translate_clast_guard): Same.
10243         (translate_clast): Same.
10244         (gloog): Same.
10245         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
10246         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
10247         * sese.c (set_rename): Now static.
10248         (rename_variables_in_stmt): Removed.
10249         (rename_uses): New.
10250         (is_parameter): Removed.
10251         (is_iv): Removed.
10252         (expand_scalar_variables_call): Removed.
10253         (expand_scalar_variables_ssa_name): Removed.
10254         (expand_scalar_variables_expr): Removed.
10255         (expand_scalar_variables_stmt): Removed.
10256         (expand_scalar_variables): Removed.
10257         (rename_variables): Removed.
10258         (remove_condition): Removed.
10259         (get_true_edge_from_guard_bb): Removed.
10260         (get_false_edge_from_guard_bb): Removed.
10261         (struct igp): Removed.
10262         (default_before_guard): Removed.
10263         (convert_for_phi_arg): Removed.
10264         (add_guard_exit_phis): Removed.
10265         (insert_guard_phis): Removed.
10266         (graphite_copy_stmts_from_block): Now also uses iv_map and a
10267         region.  Do not copy conditions.  Do not copy induction variables.
10268         Call rename_uses.
10269         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
10270         the translated statement.  Use the iv_map for the induction
10271         variable renaming.
10272         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
10273         (set_rename): Removed declaration.
10274         (scev_analyzable_p): ...here.
10275         * tree-chrec.c (chrec_apply_map): New.
10276         * tree-chrec.h (chrec_apply_map): Declared.
10277
10278 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10279
10280         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
10281         insert_loop_close_phis.
10282         * sese.c (name_defined_in_loop_p): Removed.
10283         (expr_defined_in_loop_p): Removed.
10284         (alive_after_loop): Removed.
10285         (close_phi_not_yet_inserted_p): Removed.
10286         (struct alep): Removed.
10287         (add_loop_exit_phis): Removed.
10288         (insert_loop_close_phis): Removed.
10289
10290 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10291
10292         * graphite-cloog-util.c
10293         (cloog_matrix_to_ppl_constraint): Fix flipped condition.
10294         * graphite-poly.c
10295         (psct_scattering_dim_for_loop_depth): Same.
10296
10297 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10298
10299         * graphite-cloog-util.h: Added cloog.h.
10300         * graphite-blocking.c: Removed cloog.h.
10301         * graphite-dependences.c: Same.
10302         * graphite-interchange.c: Same.
10303         * graphite-poly.c: Same.
10304         * graphite-ppl.c: Same.
10305         * graphite-scop-detection.c: Same.
10306         * graphite-sese-to-poly.c:
10307         Removed cloog.h.
10308         Removed graphite-clast-to-gimple.h.
10309         (check_poly_representation): Removed (unused).
10310         * graphite-sese-to-poly.h
10311         (check_poly_representation): Removed (unused).
10312
10313 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10314
10315         * Makefile.in (OBJS-common): Added graphite-cloog-util.o.
10316         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
10317         (graphite-cloog-util.o): New.
10318         (graphite-ppl.o): Added graphite-cloog-util.h.
10319         * graphite-clast-to-gimple.c:
10320         Added graphite-cloog-util.h to include statements.
10321         * graphite-cloog-util.c: New.
10322         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
10323         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
10324         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
10325         (new_C_Polyhedron_from_Cloog_Matrix): Same.
10326         (insert_constraint_into_matrix): Same.
10327         (ppl_Constrain_System_number_of_constraints): Same.
10328         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
10329         (oppose_constraint): Same.
10330         (cloog_matrix_to_ppl_constraint): Same.
10331         (new_Constraint_System_from_Cloog_Matrix): Same.
10332         * graphite-cloog-util.h: New.
10333         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
10334         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
10335         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
10336         (new_C_Polyhedron_from_Cloog_Matrix): Same.
10337         (insert_constraint_into_matrix): Same.
10338         * graphite-ppl.c:
10339         Added graphite-cloog-util.h to include statements.
10340         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
10341         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
10342         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
10343         (new_C_Polyhedron_from_Cloog_Matrix): Same.
10344         (insert_constraint_into_matrix): Same.
10345         (ppl_Constrain_System_number_of_constraints): Same.
10346         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
10347         (oppose_constraint): Same.
10348         (cloog_matrix_to_ppl_constraint): Same.
10349         (new_Constraint_System_from_Cloog_Matrix): Same.
10350         * graphite-ppl.h:
10351         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
10352         graphite-cloog-util.h.
10353         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
10354         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
10355         (new_C_Polyhedron_from_Cloog_Matrix): Same.
10356         (insert_constraint_into_matrix): Same.
10357
10358 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
10359
10360         * graphite-clast-to-gimple.c
10361         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
10362         (precision_for_interval): Same.
10363         (gcc_type_for_interval): Same.
10364         (compute_type_for_level): Same.
10365         * graphite-interchange.c
10366         (lst_interchange_profitable_p): Same.
10367         * graphite-poly.c
10368         (psct_scattering_dim_for_loop_depth): Same.
10369         * graphite-ppl.c
10370         (ppl_max_for_le_pointset): Same.
10371         (ppl_min_for_le_pointset): Same.
10372
10373 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10374
10375         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
10376         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
10377
10378 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10379
10380         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
10381         rewrite_close_phi_out_of_ssa.
10382
10383 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10384
10385         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
10386
10387 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10388
10389         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
10390         rename_map.
10391         * sese.c (debug_rename_map): Same.
10392         (get_rename): Same.
10393         (set_rename): Same.
10394         (rename_variables_in_stmt): Same.
10395         (expand_scalar_variables_call): Same.
10396         (expand_scalar_variables_ssa_name): Same.
10397         (expand_scalar_variables_expr): Same.
10398         (expand_scalar_variables_stmt): Same.
10399         (expand_scalar_variables): Same.
10400         (rename_variables): Same.
10401         (graphite_copy_stmts_from_block): Same.
10402         (copy_bb_and_scalar_dependences): Same.
10403
10404 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10405
10406         * graphite-clast-to-gimple.c (copy_renames): Removed.
10407         (translate_clast_for): Do not call copy_renames.
10408         (translate_clast_guard): Same.
10409
10410 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10411
10412         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
10413         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
10414         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
10415         before rewrite_cross_bb_scalar_deps.
10416
10417 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10418
10419         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
10420         Early return in when flag_associative_math is not set.
10421
10422 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10423
10424         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
10425         of SSA copies on edges except for loop->latch.
10426
10427 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10428
10429         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
10430         Split out of rewrite_reductions_out_of_ssa.
10431         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
10432         Declared.
10433         * graphite.c (graphite_transform_loops): Call it.
10434
10435 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10436
10437         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
10438
10439 2010-08-11  Alexander Monakov  <amonakov@ispras.ru>
10440
10441         * dbgcnt.def (graphite_scop): New counter.
10442         * graphite.c: Include dbgcnt.h.
10443         (graphite_transform_loops): Use new counter to limit transformations.
10444         * Makefile.in (graphite.o): Depend on DBGCNT_H.
10445
10446 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10447
10448         * passes.c (init_optimization_passes): Add pass_graphite.
10449         Schedule a pass_copy_prop before pass_graphite_transforms.
10450         * timevar.def (TV_GRAPHITE): Declared.
10451         * tree-pass.h (pass_graphite): Declared.
10452         * tree-ssa-loop.c (pass_graphite): New.
10453
10454 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10455
10456         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
10457         Remove calls to rename_nb_iterations and rename_sese_parameters.
10458         * graphite-clast-to-gimple.h (gloog): Update declaration.
10459         * graphite.c (graphite_transform_loops): Update call to gloog.
10460         * sese.c (rename_variables_in_expr): Removed.
10461         (rename_nb_iterations): Removed.
10462         (rename_sese_parameters): Removed.
10463         * sese.h (rename_nb_iterations): Removed.
10464         (rename_sese_parameters): Removed.
10465
10466 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10467
10468         * graphite-clast-to-gimple.c (gloog): Remove call to
10469         sese_adjust_liveout_phis.
10470         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
10471         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
10472         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
10473         rewrite_phi_out_of_ssa.
10474         * sese.c (get_vdef_before_sese): Removed.
10475         (sese_adjust_vphi): Removed.
10476         (sese_adjust_liveout_phis): Removed.
10477         * sese.h (sese_adjust_liveout_phis): Removed.
10478
10479 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10480
10481         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
10482         argument for the place after which to insert the out of SSA copy.
10483         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
10484         (rewrite_phi_out_of_ssa): Same.
10485         (rewrite_cross_bb_scalar_deps): Same.
10486         (insert_copyout): Removed.
10487         (insert_copyin): Removed.
10488         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
10489         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
10490         insert_copyin.
10491
10492 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10493
10494         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
10495         (rewrite_reductions_out_of_ssa): Same.
10496         (rewrite_commutative_reductions_out_of_ssa): Same.
10497         (build_poly_scop): Do not call these functions.
10498         * graphite-sese-to-poly.h (build_poly_scop): Declared.
10499         (rewrite_reductions_out_of_ssa): Declared.
10500         (rewrite_commutative_reductions_out_of_ssa): Declared.
10501         * graphite.c (graphite_transform_loops): Call on every scop
10502         rewrite_commutative_reductions_out_of_ssa before calling
10503         rewrite_reductions_out_of_ssa and build_scop_bbs.
10504
10505 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10506
10507         * graphite-dependences.c (dot_deps): Make system call to dotty run
10508         in background.
10509         (dot_deps_stmt): Same.
10510         * graphite-poly.c (dot_lst): Same.
10511
10512 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
10513
10514         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
10515         phi_arg_in_outermost_loop.
10516         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
10517         (remove_invariant_phi): Same.
10518
10519 2010-08-11  Anatoly Sokolov  <aesok@post.ru>
10520
10521         * target.def (output_addr_const_extra): New hook.
10522         * doc/tm.texi.in (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Document.
10523         * doc/tm.texi: Regenerate.
10524         * targhooks.c (default_asm_output_addr_const_extra): New function.
10525         * targhooks.h (default_asm_output_addr_const_extra): Declare.
10526         * final.c (output_addr_const): Use TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA
10527         target hook.
10528
10529         * config/i386/i386.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
10530         * config/i386/i386-protos.h (output_addr_const_extra): Remove.
10531         * config/i386/i386.h (output_addr_const_extra): Rename to...
10532         (i386_asm_output_addr_const_extra): ...this. Make static.
10533         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
10534
10535 2010-08-11  Richard Henderson  <rth@redhat.com>
10536
10537         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): New.
10538
10539 2010-08-11  Nick Clifton  <nickc@redhat.com>
10540
10541         * config/stormy16/stormy16-lib2.c (__cmpsi2): New function.
10542         * config/stormy16/stormy16-lib2-cmpsi2.c: New file.
10543         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
10544         stormy16-lib2-cmpsi.c.
10545
10546         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Change to
10547         -O2.
10548
10549 2010-08-11  Joseph Myers  <joseph@codesourcery.com>
10550
10551         * opts.h (struct cl_option_handler_func): Make handler take
10552         cl_decoded_option structure as parameter, not individual elements.
10553         (struct cl_option_handlers): Make callbacks take cl_decoded_option
10554         structure as parameter, not individual elements.
10555         (handle_option): Take cl_decoded_option structure as parameter,
10556         not individual elements.
10557         (handle_generated_option): Declare.
10558         * opts-common.c (handle_option): Take cl_decoded_option structure
10559         as parameter, not individual elements.  Update calls to callback
10560         and handler functions.
10561         (handle_generated_option): New.
10562         (read_cmdline_option): Update calls to callback functions and
10563         handle_option.
10564         * opts.c (common_handle_option, complain_wrong_lang,
10565         unknown_option_callback, post_handling_callback,
10566         lang_handle_option, target_handle_option): Take cl_decoded_option
10567         structure as parameter, not individual elements.
10568         (lang_handle_option, target_handle_option, common_handle_option):
10569         Assert option has at most one argument.
10570         (enable_warning_as_error): Call handle_generated_option instead of
10571         handle_option.  Do not pass -Werror argument as argument of
10572         generated option.
10573
10574 2010-08-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10575
10576         * config/pa/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
10577         'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
10578         (SUBWORD_BOOL_CAS): Likewise.
10579         (SUBWORD_SYNC_OP): Likewise.
10580         (SUBWORD_TEST_AND_SET): Likewise.
10581         (FETCH_AND_OP_WORD): Parenthesise INF_OP
10582         (SUBWORD_SYNC_OP): Likewise.
10583         (OP_AND_FETCH_WORD): Likewise.
10584
10585 2010-08-10  Xinliang David Li  <davidxl@google.com>
10586
10587         * tree-ssa-loop-ivopts.c (get_address_cost): Properly
10588         compute max/min offset in address.
10589
10590 2010-08-10  Vladimir Makarov  <vmakarov@redhat.com>
10591
10592         * ira-live.c: Include sbitmap.h.
10593         (remove_some_program_points_and_update_live_ranges): Use sbitmaps.
10594         Compress live ranges even more.
10595
10596 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
10597
10598         * coverage.c (ctr_labels): Delete.
10599
10600 2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>
10601
10602         PR bootstrap/45177
10603         * config/arm/arm.c (multiple_operation_profitable_p): Move xscale
10604         test here from arm_gen_load_multiple_1.
10605         (arm_gen_load_multiple_1, arm_gen_store_multiple_1): Use
10606         multiple_operation_profitable_p.
10607
10608 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
10609
10610         * tree-ssa-pre.c (init_pre): Call alloc_aux_for_blocks.
10611         (fini_pre): Call free_aux_for_blocks.  Delete unused bb variable.
10612
10613 2010-08-10  Richard Henderson  <rth@redhat.com>
10614
10615         * config/i386/i386.c (ix86_compute_frame_layout): Re-align stack
10616         after saving registers.  Assert that SSE registers are only saved
10617         with a sufficiently aligned frame.
10618         (ix86_emit_save_reg_using_mov): Assert realigned only with DRAP;
10619         remove stack_realign_fp handling.
10620         (ix86_expand_prologue): Save int registers before stack_realign_fp,
10621         and do not mark the stack alignment as frame related.
10622         (ix86_expand_epilogue): SP is now invalid with stack_realign_fp.
10623
10624         * dwarf2out.c (dwarf2out_frame_debug_expr): Flush queued register
10625         saves when re-aligning the stack.
10626
10627 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
10628
10629         * basic-block.h (alloc_aux_for_block, alloc_aux_for_edge): Delete.
10630         * cfg.c (alloc_aux_for_block, alloc_aux_for_edge): Make static.
10631         (alloc_aux_for_blocks, clear_aux_for_blocks): Use FOR_ALL_BB.
10632
10633 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
10634
10635         * dwarf2out.c (struct die_struct): Move die_tag to the end.
10636
10637 2010-08-09  Sofiane Naci  <sofiane.naci@arm.com>
10638
10639         * config/arm/iterators.md: New file.
10640         * config/arm/arm.md: Include iterators.md.
10641         (QHSI): Move to new file.
10642         (LTUGEU, cnb, optab, ior_xor): Likewise.
10643         * config/arm/iwmmxt.md (VMMX): Move to new file.
10644         (VSHFT, MMX_char): Likewise.
10645         * config/arm/neon.md (VD): Move to new file.
10646         (VDX, VDI, VQ, VQX, VQI, VQXMOV, VSTRUCT, VTAB, V_TAB_n, VW): Likewise.
10647         (VN, VDQ, VDQW, VDQIW, VCVTF, VCVTI, VMD, VMQ, VMDQ, VMDI): Likewise.
10648         (VMDQI, VX, VE, V64, V32, V_CVTTO, V_elem, V_ext): Likewise.
10649         (V_two_elem, V_three_elem, V_four_elem, V_req, V_widen): Likewise.
10650         (V_narrow, V_HALF, V_half,V_DOUBLE, V_double): Likewise.
10651         (V_double_width, V_cmp_result, V_if_elem, V_s_elem): Likewise.
10652         (V_u_elem, V_uf_sclr, V_sz_elem, VD_dup): Likewise.
10653         (V_PAIR, vqh_ops, vqhs_ops, VQH_mnem, VQH_sign, V_suf64): Likewise.
10654         (scalar_mul_constraint,Is_float_mode, Scalar_mul_8_16): Likewise.
10655         (Is_d_reg, V_mode_nunits): Likewise.
10656         * config/arm/vec-common.md (VALL): Move to new file.
10657         (VALLW, VINT, VINTW): Likewise.
10658
10659 2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>
10660
10661         PR middle-end/45182
10662         * combine.c (make_compound_operation): Don't try to convert
10663         shifts into multiplications for modes that aren't SCALAR_INT_MODE_P.
10664
10665 2010-08-10  Richard Guenther  <rguenther@suse.de>
10666
10667         * tree.h (get_object_alignment): Adjust prototype.
10668         * builtins.c (get_object_alignment): Return unsigned int,
10669         drop the align parameter.  Handle MEM_REF, MISALIGNED_INDIRECT_REF
10670         and TARGET_MEM_REF properly.
10671         (get_pointer_alignment): Adjust.
10672         * emit-rtl.c (get_mem_align_offset): Adjust comment.
10673         (set_mem_attributes_minus_bitpos): Adjust.
10674         * tree-ssa-ccp.c (get_value_from_alignment): Adjust.
10675
10676 2010-08-10  Richard Guenther  <rguenther@suse.de>
10677
10678         * tree-ssa-copy.c (set_copy_of_val): Use operand_equal_p.
10679         (copy_prop_visit_assignment): Simplify.
10680         (copy_prop_visit_stmt): Also visit assignments from
10681         constants.
10682         (copy_prop_visit_phi_node): Use operand_equal_p.
10683
10684 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
10685
10686         * ipa-split.c (find_split_points): Free stack.
10687
10688 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
10689
10690         * tree.h (tree_node_kind) [perm_list_kind,temp_list_kind]: Delete.
10691         * tree.c (tree_node_kind): Delete corresponding entries.
10692
10693 2010-08-09  H.J. Lu  <hongjiu.lu@intel.com>
10694
10695         * alias.c (may_alias_p): Remove unused ret.
10696
10697 2010-08-09  Bingfeng Mei  <bmei@broadcom.com>
10698
10699         * ddg.c (walk_mems_2): Moved from alias.c, use may_alias_p instead of
10700         alias_sets_conflict_p.
10701         (walk_mems_1): Moved from alias.c.
10702         (insns_may_alias_p): New function, originally insn_alias_sets_conflict_p
10703         in alias.c.
10704         (add_inter_loop_mem_dep): Use insns_may_alias_p now.
10705         * cse.c (cse_insn): New argument in calling nonoverlapping_memrefs_p.
10706         * alias.c (walk_mems_2): Moved to ddg.c.
10707         (walk_mems_1): Ditto.
10708         (insn_alias_sets_conflict_p): Renamed to insns_may_alias_p and moved
10709         to ddg.c.
10710         (nonoverlapping_memrefs_p): Add flag to guard offset-based memory
10711         disambiguation.
10712         *(may_alias_p): New function to check whether two memory expression
10713         may alias or not. Currently used in buidling inter-iteration memory
10714         dependence.
10715         *alias.h (nonoverlapping_memrefs_p): New flag as third argument.
10716         (insn_alias_sets_conflict_p): Removed
10717         *rtl.h (may_alias_p): New function prototype.
10718
10719 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
10720
10721         * tree.c (nreverse): Assert that we don't have a BLOCK.
10722
10723 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
10724
10725         * builtins.c (fold_builtin_next_arg): Use stdarg_p.
10726         * config/arm/arm.c (arm_get_pcs_model): Likewise.
10727         * config/avr/avr.c (init_cumulative_args): Likewise.
10728         * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
10729         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
10730         * config/m68k/m68k.c (m68k_return_pops_args): Likewise.
10731         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
10732         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
10733         * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
10734         * config/rs6000/rs6000.c (init_cumulative_args): Likewise.
10735         * dwarf2out.c (gen_subprogram_die): Likewise.
10736         * function.c (allocate_struct_function): Likewise.
10737         * c-aux-info.c (gen_formal_list_for_func_dec): Likewise.
10738         (deserves_ellipsis): Delete.
10739
10740 2010-08-09  Richard Guenther  <rguenther@suse.de>
10741
10742         * tree-ssa-copy.c (cached_last_copy_of): Remove.
10743         (valueize_val): New function.
10744         (get_last_copy_of): Remove.
10745         (set_copy_of_val): Simplify.
10746         (dump_copy_of): Likewise.
10747         (copy_prop_visit_cond_stmt): Use valueize_val.
10748         (copy_prop_visit_phi_node): Properly handle unvisited names.
10749         Drop code managing copy-of chains.
10750         (init_copy_prop): Adjust.
10751         (fini_copy_prop): Likewise.
10752         (execute_copy_prop): Remove obsolete comment.
10753
10754 2010-08-09  Richard Guenther  <rguenther@suse.de>
10755
10756         PR middle-end/44632
10757         * function.c (gimplify_parameters): Do not clear addressable
10758         bit of the original parameter.
10759
10760 2010-08-09  Richard Guenther  <rguenther@suse.de>
10761
10762         PR middle-end/45212
10763         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust
10764         alignment from MEM_REF offset only if we took it from the
10765         base object.
10766
10767 2010-08-09  Eric Fisher  <joefoxreal@gmail.com>
10768
10769         * doc/sourcebuild.texi (vect_int_mult): Remove duplicate entry.
10770
10771 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
10772
10773         * c-tree.h (build_arg_info): Declare.
10774         * c-decl.c (build_arg_info): Define.
10775         (get_parm_info): Call it.  Delete initialization code.
10776         * c-parser.c (c_parser_parms_declarator): Likewise.
10777         (c_parser_parms_list_declaractor): Likewise.
10778
10779 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
10780
10781         * c-tree.h (c_arg_tag): Define.  Define a VEC containing it.
10782         (struct c_arg_info): Change type of tags field.
10783         * c-decl.c (grokdeclarator): Update for changed type of tags field.
10784         (get_parm_info): Likewise.
10785         (store_parm_decls_newstyle): Likewise.
10786
10787 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
10788
10789         * config/rs6000/rs6000.c (branch_island): Define.  Define a VEC of it.
10790         (branch_island_list): Delete.
10791         (branch_islands): Declare.
10792         (add_compiler_branch_island): Adjust for branch_islands instead of
10793         branch_island_list.
10794         (macho_branch_islands): Likewise.
10795         (no_previous_def): Likewise.
10796         (get_prev_label): Likewise.
10797
10798 2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10799
10800         PR boehm-gc/34544
10801         * gthr-posix.h (__gthread_start): Delete.
10802         (__gthread_active_init): Use pthread_default_stacksize_np instead of
10803         pthread_create to determine if hpux pthreads are active.
10804         * gthr-posix95.h (__gthread_start): Delete.
10805         (__gthread_active_init): Likewise use pthread_default_stacksize_np.
10806
10807 2010-08-08  Kai Tietz  <kai.tietz@onevision.com>
10808
10809         * config/i386/mingw32.h ((EXTRA_OS_CPP_BUILTINS): Define
10810         _WIN64 not expanded.
10811
10812 2010-08-07  Uros Bizjak  <ubizjak@gmail.com>
10813             H.J. Lu  <hongjiu.lu@intel.com>
10814
10815         PR target/45213
10816         * config/i386/i386.c (ix86_print_operand): Handle 'q' operand modifier
10817         to output 32bit SFmode immediate as 8 byte sign extended value.
10818
10819 2010-08-07  Marcus Shawcroft  <marcus.shawcroft@arm.com>
10820
10821         * config/arm/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
10822         'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
10823         (SUBWORD_BOOL_CAS): Likewise.
10824         (SUBWORD_SYNC_OP): Likewise.
10825         (SUBWORD_TEST_AND_SET): Likewise.
10826         (FETCH_AND_OP_WORD): Parenthesise INF_OP
10827         (SUBWORD_SYNC_OP): Likewise.
10828         (OP_AND_FETCH_WORD): Likewise.
10829
10830 2010-08-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10831
10832         * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
10833         * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
10834         (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
10835         (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
10836         generic part.
10837         (cortex_a9_sched_adjust_cost): New function.
10838         (xscale_sched_adjust_cost): New function.
10839         * config/arm/arm-protos.h (struct tune_params): New field
10840         sched_adjust_cost.
10841         * config/arm/arm-cores.def: Adjust costs for cortex-a9.
10842
10843 2010-08-06  Eric Botcazou  <ebotcazou@adacore.com>
10844
10845         PR target/44942
10846         * config/sparc/sparc.c (function_arg_advance): Always take into account
10847         the padding, if any.
10848
10849 2010-08-06  Richard Guenther  <rguenther@suse.de>
10850
10851         * tree-ssa-ccp.c (struct prop_value_d): Add mask member.
10852         (dump_lattice_value): Dump it.
10853         (get_default_value): Adjust.
10854         (get_constant_value): Likewise.
10855         (set_value_varying): Likewise.
10856         (set_lattice_value): Make sure to not go up the lattice
10857         with bitwise constant values.
10858         (get_value_for_expr): Handle ADDR_EXPRs.
10859         (value_to_double_int): New function.
10860         (get_value_from_alignment): Likewise.
10861         (do_dbg_cnt): Adjust.
10862         (ccp_lattice_meet): Handle partially constant values.
10863         (bit_value_unop_1): New function.
10864         (bit_value_binop_1): Likewise.
10865         (bit_value_unop): Likewise.
10866         (bit_value_binop): Likewise.
10867         (evaluate_stmt): Track partially constant values if
10868         flag_tree_bit_ccp is set.
10869         (ccp_fold_stmt): Dump if we folded a predicate.
10870         (ccp_visit_stmt): Adjust.
10871         * common.opt (ftree-bit-ccp): New flag.
10872         * doc/invoke.texi (ftree-bit-ccp): Document.
10873         * opts.c (decode_options): Enable bit-CCP at -O1.
10874
10875 2010-08-06  Alan Modra  <amodra@gmail.com>
10876
10877         * doc/invoke.texi (RS/6000 and PowerPC Options): Rewrite -mrelocatable
10878         and -mrelocatable-lib description.
10879
10880 2010-08-05  Bernd Schmidt  <bernds@codesourcery.com>
10881
10882         From Martin Thuresson  <martint@google.com>
10883         * postreload.c (reload_cse_simplify_operands): Use
10884         SET_REGNO_RAW instead of SET_REGNO.
10885         * caller-save.c (reg_save_code): Use SET_REGNO_RAW instead of
10886         SET_REGNO.
10887         * ira.c (setup_prohibited_mode_move_regs): Use SET_REGNO_RAW
10888         instead of SET_REGNO.
10889         * rtl.h (SET_REGNO_RAW): New macro.
10890
10891 2010-08-05  Eric Botcazou  <ebotcazou@adacore.com>
10892
10893         * rtlanal.c (nonzero_bits1): Use unsigned HOST_WIDE_INT in all mask
10894         computations.  Fix formatting issues.
10895         (num_sign_bit_copies1): Likewise.
10896         (canonicalize_condition): Likewise.
10897
10898 2010-08-05  Richard Henderson  <rth@redhat.com>
10899
10900         * toplev.h (ctz_hwi, clz_hwi, ffs_hwi): New.
10901         (floor_log2): Use clz_hwi.
10902         (exact_log2): Use ctz_hwi.
10903         * toplev.c (ctz_hwi, clz_hwi, ffs_hwi): New.
10904         * builtins.c (fold_builtin_bitop): Use them.
10905         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
10906         * combine.c (get_pos_from_mask): Use ctz_hwi.
10907         * double-int.c (double_int_ctz): Likewise.
10908         * explow.c (force_reg): Likewise.
10909         * tree.h (SET_DECL_OFFSET_ALIGN): Use ffs_hwi.
10910
10911 2010-08-05  Richard Henderson  <rth@redhat.com>
10912
10913         PR target/45189
10914         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Make sure
10915         the alignment constant is properly sign-extended.
10916
10917 2010-08-05  Richard Guenther  <rguenther@suse.de>
10918
10919         * expr.c (store_expr): Use emit_block_move only if both
10920         source and target are MEMs.  Use store_bit_field if only
10921         the target is a MEM.
10922
10923 2010-08-05  Richard Henderson  <rth@redhat.com>
10924
10925         PR debug/45188
10926         * dwarf2out.c (DWARF2_UNWIND_INFO): Provide default definition.
10927         (INCOMING_RETURN_ADDR_RTX): Likewise.
10928         (dwarf2out_do_frame): Remove conditional compilation.
10929         (dwarf2out_frame_init): Likewise.
10930
10931 2010-08-05  Nicolas Setton  <setton@adacore.com>
10932
10933         * gcov.c (flag_display_progress): New static variable.
10934         (main): Display progress info on standard output if requested.
10935         (options): Add -d/--display-progress.
10936         (print_usage): Print them.
10937         (process_args): Handle them.
10938         * doc/gcov.texi: Document them.
10939
10940 2010-08-05  Martin Jambor  <mjambor@suse.cz>
10941
10942         * ipa-cp.c (ipcp_discover_new_direct_edges): New function.
10943         (ipcp_insert_stage): Redirect only edges not flagged with
10944         indirect_inlining_edge.  Call ipcp_discover_new_direct_edges for all
10945         discovered constants.
10946
10947 2010-08-05  Martin Jambor  <mjambor@suse.cz>
10948
10949         * ipa-prop.h (enum ipa_lattice_type): Changed comments.
10950         (struct ipa_param_descriptor): New fields types and
10951         cannot_devirtualize.
10952         (ipa_param_cannot_devirtualize_p): New function.
10953         (ipa_param_types_vec_empty): Likewise.
10954         (ipa_make_edge_direct_to_target): Declare.
10955         * ipa-cp.c: Fixed first stage driver name in initial comment,
10956         described devirtualization there too.
10957         (ipcp_analyze_node): Call ipa_analyze_params_uses.
10958         (ipcp_print_all_lattices): Print devirtualization info.
10959         (ipa_set_param_cannot_devirtualize): New function.
10960         (ipcp_initialize_node_lattices): Set cannot_devirtualize when setting
10961         lattice to BOTTOM.
10962         (ipcp_init_stage): Merged into...
10963         (ipcp_generate_summary): ...its caller.
10964         (ipcp_change_tops_to_bottom): Also process type lists.
10965         (ipcp_add_param_type): New function.
10966         (ipcp_copy_types): Likewise.
10967         (ipcp_propagate_types): Likewise.
10968         (ipcp_propagate_stage): Also propagate types.
10969         (ipcp_need_redirect_p): Variable jump_func moved to its scope block.
10970         Also return true if propagated types require it.
10971         (ipcp_update_callgraph): Dump redirection info.
10972         (ipcp_process_devirtualization_opportunities): New function.
10973         (ipcp_const_param_count): Include known type information.
10974         (ipcp_insert_stage): Call ipcp_process_devirtualization_opportunities
10975         on new node.  Fixed formatting.
10976         * ipa-prop.c (make_edge_direct_to_target): Renamed to
10977         ipa_make_edge_direct_to_target and changed all callers.  Made
10978         externally visible.
10979         (ipa_node_duplication_hook): Duplicate types vector.
10980         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Also try to
10981         redirect outgoing calls for which we can't get a decl from the
10982         statement.  Check that we can get a decl from the call statement.
10983         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
10984         ipa_analyze_params_uses only when ipa-cp is disabled.
10985         * tree-inline.c (get_indirect_callee_fndecl): Removed.
10986         (expand_call_inline): Do not call get_indirect_callee_fndecl.
10987         * params.def (PARAM_DEVIRT_TYPE_LIST_SIZE): New parameter.
10988         * Makefile.in (ipa-cp.o): Add gimple.h to dependencies.
10989
10990 2010-08-05  Uros Bizjak  <ubizjak@gmail.com>
10991
10992         * expmed.c (expand_mult_const) <case alg_shift>: Expand shift into
10993         temporary. Emit move from temporary to accum, so REG_EQUAL note will
10994         be attached to this insn in correct mode.
10995
10996 2010-08-05  Uros Bizjak  <ubizjak@gmail.com>
10997
10998         * config/i386/i386.c (ix86_decompose_address): Check for SI_REG
10999         using REGNO of base_reg directly.
11000
11001 2010-08-05  Jie Zhang  <jie@codesourcery.com>
11002
11003         PR tree-optimization/45144
11004         * tree-sra.c (type_consists_of_records_p): Return false
11005         if the record contains bit-field.
11006
11007 2010-08-04  Richard Henderson  <rth@redhat.com>
11008
11009         * config/i386/i386.c (struct ix86_frame): Remove padding and
11010         to_allocate members.
11011         (ix86_compute_frame_layout): Don't store them.
11012         (ix86_can_use_return_insn_p): Use a more direct and more obviously
11013         correct condition for the position of the stack pointer.
11014         (ix86_expand_prologue): Compute remaining stack allocation based
11015         on the ultimate stack pointer offset.
11016         (ix86_expand_epilogue): Use more obvious expressions testing for
11017         the stack pointer already pointing to the saved registers.
11018
11019         * config/i386/i386.c (ix86_expand_epilogue): Eliminate code
11020         duplication deconstructing the frame pointer.  Simplify
11021         deallocation of the local stack frame.
11022
11023         * reg-notes.def (CFA_EXPRESSION): New.
11024         * dwarf2out.c (dwarf2out_frame_debug): Handle it.
11025         (dwarf2out_frame_debug_cfa_expression): New.
11026         (dwarf2out_frame_debug_def_cfa): Handle simple MEMs.
11027
11028         * config/i386/i386.h (struct machine_frame_state): Add realigned flag.
11029         * config/i386/i386.c (ix86_expand_prologue): Set it.
11030         (ix86_expand_epilogue): Clear it.
11031         (ix86_emit_save_reg_using_mov): For registers saved in a realigned
11032         context, add REG_CFA_EXPRESSION notes.
11033
11034         * config/i386/i386.h (struct machine_frame_state): Rename from
11035         machine_cfa_state.  Add members tracking SP and FP regardless
11036         of the current CFA register.
11037         (ix86_cfa_state): Remove.
11038         * config/i386/i386.c (struct ix86_frame): Add reg_save_offset
11039         and sse_reg_save_offset members.
11040         (ix86_compute_frame_layout): Set them.
11041         (gen_push): Increment sp_offset too.
11042         (choose_baseaddr_len, choose_baseaddr): New.
11043         (ix86_emit_save_reg_using_mov): New.
11044         (ix86_emit_save_regs_using_mov): Use it.
11045         (ix86_emit_save_sse_regs_using_mov): Likewise.
11046         (ix86_add_cfa_restore_note): Take cfa_offset not red_offset argument;
11047         compare vs the saved red_zone_offset.
11048         (pro_epilogue_adjust_stack): Adjust sp_offset.
11049         (ix86_adjust_stack_and_probe): Likewise.
11050         (ix86_expand_prologue): Set up, use, and validate the new
11051         frame_state_info members.  Use gen_frame_mem.
11052         (ix86_emit_restore_regs_using_pop): Remove red_offset parameter.
11053         (ix86_emit_restore_reg_using_pop): Likewise.  Use and update the
11054         new frame_state_info members.
11055         (ix86_emit_leave): Likewise.
11056         (ix86_emit_restore_regs_using_mov): Likewise.  Don't check for
11057         out-of-range stack pointer offsets here.
11058         (ix86_emit_restore_sse_regs_using_mov): Likewise.
11059         (ix86_expand_epilogue): Use and validate the new frame_state_info
11060         members.  Break up and simplify the logic selecting the
11061         restore_regs_via_mov code path.  Ensure that there will be no
11062         out-of-range stack pointer offsets.
11063
11064         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Remove.
11065
11066         * config/i386/i386.c (ix86_function_ms_hook_prologue): Fix
11067         argument name to reflect the expected tree; fix indentation.
11068         (ix86_asm_output_function_label): Output the entire 32-bit
11069         ms_hook here as bytes ...
11070         (ix86_expand_prologue): ... not here as insns.  Attach the
11071         unwind info for the ms_hook to a blockage insn.
11072         (ix86_handle_fndecl_attribute): Don't check HAVE_AS_IX86_SWAP.
11073         (ix86_ms_bitfield_layout_p): Fix indentation.
11074         * config/i386/i386.md (UNSPECV_VSWAPMOV, vswapmov): Remove.
11075
11076         * config/i386/i386.c (ix86_using_red_zone): New.
11077         (ix86_compute_frame_layout, ix86_add_cfa_restore_note,
11078         ix86_expand_prologue, ix86_force_to_memory): Use it.
11079
11080         * config/i386/i386.c (ix86_expand_prologue): Simplify logic
11081         saving the int registers.
11082
11083         * dwarf2out.c: Remove most of the DWARF2_DEBUGGING_INFO
11084         and DWARF2_UNWIND_INFO conditional compilation.
11085
11086 2010-08-04  Richard Henderson  <rth@redhat.com>
11087
11088         PR debug/45171
11089         * dwarf2out.c (gen_typedef_die): Don't re-generate the die of
11090         an is_naming_typedef_decl.
11091
11092 2010-08-04  Bernd Schmidt  <bernds@codesourcery.com>
11093
11094         PR rtl-optimization/45162
11095         * df-problems.c (df_word_lr_bb_local_compute): Ignore DEBUG_INSNs.
11096         * dce.c (word_dce_process_block): Likewise.
11097
11098 2010-08-04  Steve Ellcey  <sje@cup.hp.com>
11099
11100         PR target/44583
11101         * config/ia64/constraints.md (Z): New.
11102         * config/ia64/predicates.md (fr_reg_or_signed_fp01_operand): New.
11103         (xfreg_or_signed_fp01_operand): New.
11104         * config/ia64/ia64.md (addsf3): Replace fr_reg_or_fp01_operand
11105         with fr_reg_or_signed_fp01_operand and constraint G with Z.
11106         (subsf3): Ditto.
11107         (*maddsf4): Ditto.
11108         (*msubsf4): Ditto.
11109         (adddf3): Ditto.
11110         (adddf3_trunc): Ditto.
11111         (subdf3): Ditto.
11112         (*subdf3_trunc): Ditto.
11113         (*madddf4): Ditto.
11114         (*madddf4_trunc): Ditto.
11115         (*msubdf4): Ditto.
11116         (*msubdf4_trunc): Ditto.
11117         (addxf3): Replace xfreg_or_fp01_operand with
11118         xfreg_or_signed_fp01_operand and constraint G with Z.
11119         (*addxf3_truncsf): Ditto.
11120         (*addxf3_truncdf): Ditto.
11121         (subxf3): Ditto.
11122         (*subxf3_truncsf): Ditto.
11123         (*subxf3_truncdf): Ditto.
11124         (*maddxf4): Ditto.
11125         (*maddxf4_truncsf): Ditto.
11126         (*maddxf4_truncdf): Ditto.
11127         (*msubxf4): Ditto.
11128         (*msubxf4_truncsf): Ditto.
11129         (*msubxf4_truncdf): Ditto.
11130
11131 2010-08-04  Richard Guenther  <rguenther@suse.de>
11132
11133         * alias.c (rtx_refs_may_alias_p): Do not resort to TBAA
11134         if either alias-set is zero.
11135
11136 2010-08-04  Richard Guenther  <rguenther@suse.de>
11137
11138         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t): Move ...
11139         * tree-ssa-ccp.c: ... here.
11140         * tree-ssa-copy.c: ... and here.
11141         * tree-ssa-propagate.h (enum value_range_type, struct value_range_d,
11142         value_range_t): Move ...
11143         * tree-vrp.c: ... here.
11144         * tree-ssa-propagate.h (ssa_prop_get_value_fn): New typedef.
11145         (substitute_and_fold): Adjust prototype.
11146         * tree-ssa-propagate.c (replace_uses_in): Adjust.
11147         (replace_phi_args_in): Likewise.
11148         (substitute_and_fold): Take callback to query lattice instead
11149         of pointer to lattice.  Replace SSA name defs with lattice
11150         values first.
11151         * tree-ssa-ccp.c (ccp_finalize): Adjust.
11152         * tree-ssa-copy.c (copy_prop_visit_phi_node): Adjust.
11153         (get_value): New function.
11154         (fini_copy_prop): Adjust.
11155         * tree-vrp.c (vrp_finalize): Adjust.
11156
11157 2010-08-04  Richard Guenther  <rguenther@suse.de>
11158
11159         PR middle-end/45176
11160         * expr.c (expand_expr_real_1): Also preserve TARGET_MEM_REF
11161         points-to set for original MEM_REF.
11162
11163 2010-08-04  Richard Guenther  <rguenther@suse.de>
11164
11165         * tree-ssa-ccp.c (get_constant_value): New function.
11166         (get_rhs_assign_op_for_ccp): Remove.
11167         (valueize_op): New function.
11168         (ccp_fold): Use get_constant_value and valueize_op.
11169         (fold_const_aggregate_ref): Likewise.
11170         (ccp_fold_stmt): Likewise.
11171         (visit_assignment): Simplify.
11172
11173 2010-08-04  Richard Guenther  <rguenther@suse.de>
11174
11175         * Makefile.in (double-int.o): Add $(TOPLEV_H) dependency.
11176         * double-int.h (double_int_ctz): Declare.
11177         * double-int.c (double_int_ctz): New function.
11178
11179 2010-08-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11180
11181         * config/picochip/picochip.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE):
11182         Define.
11183         picochip_expand_movmemhi : Expand movmem pattern.
11184         * config/picochip/picochip-protos.h (picochip_expand_movmemhi) :
11185         Declare.
11186         * config/picochip/picochip.md (movmemhi) : New pattern.
11187
11188 2010-08-03  Uros Bizjak  <ubizjak@gmail.com>
11189
11190         * config/i386/unix.h (GLOBAL_ASM_OPS): Add tabs around .globl.
11191
11192 2010-08-03  Bernd Schmidt  <bernds@codesourcery.com>
11193
11194         * simplify-rtx.c (simplify_binary_operation_1): Try to simplify away
11195         NEG as operand of a MULT by merging it with the other operand.
11196         * combine.c (make_compound_operation): Use trunc_int_for_mode when
11197         generating a MULT with constant.  Canonicalize PLUS and MINUS involving
11198         MULT.
11199         * config/arm/constraints.md (M): Examine only 32 bits of a
11200         HOST_WIDE_INT.
11201         * config/arm/predicates.md (power_of_two_operand): Likewise.
11202
11203 2010-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11204
11205         * config/spu/spu.c (spu_emit_branch_hint): Do not access NOTE_KIND of
11206         non-NOTE insns.
11207
11208 2010-08-03  Jan Hubicka  <jh@suse.cz>
11209
11210         * ipa-split.c (struct split_point): Add split_part_set_retval.
11211         (find_retval): Forward declare.
11212         (test_nonssa_use, mark_nonssa_use): Special case return by reference.
11213         (consider_split): Compute current->split_part_set_retval.
11214         (visit_bb): Do not look into return value.
11215         (split_function): Handle !split_part_set_retval
11216
11217 2010-08-03  Martin Jambor  <mjambor@suse.cz>
11218
11219         * tree-sra.c (completely_scalarize_record): New parameter REF, create
11220         its own access->expr intead of using build_ref_for_offset.
11221
11222 2010-08-03  Joseph Myers  <joseph@codesourcery.com>
11223
11224         * config/alpha/alpha.h (SWITCH_TAKES_ARG): Define.
11225         * config/alpha/osf5.h (LIB_SPEC): Don't handle -a.
11226         * config/bfin/bfin.h (ASM_SPEC, LINK_SPEC): Don't pass -G* options.
11227         * config/darwin.h (WORD_SWITCH_TAKES_ARG): Handle -iframework.
11228         * config/ia64/ia64.h (SWITCH_TAKES_ARG): Define.
11229         * config/iq2000/iq2000.h (SWITCH_TAKES_ARG): Remove.
11230         * config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Define using
11231         DEFAULT_SWITCH_TAKES_ARG.
11232         * config/rx/rx.opt (-patch=): Remove option.
11233         * config/rx/rx.c (rx_handle_option): Don't handle OPT_patch_.
11234         * defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Handle -imultilib.
11235         * doc/invoke.texi (RX Options): Remove -patch=.
11236         * gcc.c (cc1_options): Pass -aux-info* instead of -a* options.
11237         (option_map): Remove --profile-blocks, --quiet and --silent.
11238
11239 2010-08-03  Uros Bizjak  <ubizjak@gmail.com>
11240
11241         * config/i386/i386.h (ix86_compare_op0, ix86_compare_op1): Remove.
11242         * config/i386/i386.c (ix86_compare_op0, ix86_compare_op1): Remove.
11243         (ix86_expand_branch): Add op0 and op1 arguments.  Do not access
11244         ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
11245         Update calls to ix86_expand_compare and ix86_expand_branch.
11246         (ix86_expand_setcc): Add op0 and op1 arguments.  Update calls to
11247         ix86_expand_compare.
11248         (ix86_expand_compare): Add op0 and op1 arguments.  Do not access
11249         ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
11250         Make static.
11251         (ix86_expand_carry_flag_compare): Do not set ix86_compare_op0
11252         and ix86_compare_op1.  Update calls to ix86_expand_compare.
11253         (ix86_expand_int_movcc): Ditto.
11254         (ix86_expand_fp_movcc): Ditto.  Update calls to ix86_expand_setcc.
11255         * config/i386/i386-protos.h (ix86_expand_branch): Update prototype.
11256         (ix86_expand_setcc): Ditto.
11257         (ix86_expand_compare): Remove prototype.
11258         * config/i386/i386.md (cbranch<SDWIM:mode>4): Do not set
11259         ix86_compare_op0 and ix86_compare_op1.  Update calls
11260         to ix86_expand_branch to directly pass operands[1] and operands[2].
11261         (cbranchxf4): Ditto.
11262         (cbranch<MODEF:mode>4): Ditto.
11263         (cbranchcc4): Ditto.
11264         (cstore<SWIM:mode>4): Do not set ix86_compare_op0 and ix86_compare_op1.
11265         Update calls to ix86_expand_setcc to directly pass operands[2] and
11266         operands[3].
11267         (cstorexf4): Ditto.
11268         (cstore<MODEF:mode>4): Ditto.
11269         (cstorecc4): Ditto.
11270
11271 2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>
11272
11273         PR target/45063
11274         * caller-save.c (save_call_clobbered_regs): Remove regs from
11275         hard_regs_saved when they are set.
11276
11277 2010-08-02  Uros Bizjak  <ubizjak@gmail.com>
11278
11279         PR target/41089
11280         * config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
11281         as volatile.
11282
11283 2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
11284
11285         * common.opt (ftree-loop-distribute-patterns): New.
11286         * invoke.texi (-ftree-loop-distribute-patterns): Documented.
11287         * opts.c (decode_options): Enable flag_tree_loop_distribute_patterns
11288         at -O3.
11289         * tree-data-ref.c (stores_zero_from_loop): New.
11290         * tree-data-ref.h (stores_zero_from_loop): Declared.
11291         * tree-loop-distribution.c (tree_loop_distribution): Call
11292         stores_zero_from_loop.
11293         (tree_loop_distribution): Check flag_tree_loop_distribute_patterns.
11294
11295 2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>
11296
11297         * postreload.c (reload_cse_simplify_operands): Take attribute enabled
11298         into account.
11299
11300         * final.c (final_scan_insn): Call CC_STATUS_INIT unconditionally.
11301         * config/arm/arm.c (thumb1_code): New variable.
11302         (arm_override_options): Set it.
11303         (thumb1_final_prescan_insn): Keep track of condition code status.
11304         (arm_adjust_cost): For Thumb, try to keep cc-setting insns next to
11305         jumps that depend on them.
11306         * config/arm/arm.h (thumb1_code): Declare variable.
11307         (struct machine_function): Guard with #ifndef GENERATOR_FILE.  Add
11308         members thumb1_cc_insn, thumb1_cc_op0, thumb1_cc_op1 and
11309         thumb1_cc_mode.
11310         (CC_STATUS_INIT): New macro.
11311         * config/arm/constraints.md (Pd): New constraint.
11312         * config/arm/predicates.md (noov_comparison_operator): New predicate.
11313         * config/arm/arm.md (is_thumb1): New define_attr.
11314         (conds): Set default to "clob" when generating Thumb1 code.
11315         (thumb1_bicsi3): Renamed from bicsi3.  All uses changed.  Condition
11316         code are set.  Use two-operand assembly syntax.
11317         (thumb1_subsi3_insn): Condition codes are set.  Now a properly named
11318         pattern.
11319         (thumb1_andsi3_insn, thumb1_iorsi3_insn, thumb1_xorsi3_insn): Condition
11320         codes are set.  Use two-operand assembly syntax.
11321         (zero_extendhisi splitter): Remove constraints.
11322         (thumb1_movsi_insn, thumb1_movhi_insn, thumb1_movqi_insn, thumb1_movhf,
11323         thumb1_movsf_insn): Set conds attribute as appropriate.
11324         (cbranchsi4_insn): Use condition code status from struct
11325         machine_function to determine whether the comparison can be eliminated.
11326         Discourage the alternative using high registers.
11327         (movsi_cbranchsi4, andsi3_cbranch, orrsi3_cbranch_scratch,
11328         orrsi3_cbranch, xorsi3_cbranch_scratch, xorsi3_cbranch,
11329         bicsi3_cbranch_scratch, bicsi3_cbranch, subsi3_cbranch_scratch,
11330         subsi3_cbranch): Delete.
11331         (movsi_cbranchsi4 peepholes): Rewrite to generate a sequence of
11332         one subtract and one cbranch insn.
11333
11334         * config/arm/thumb2.md (thumb2_movdi, thumb2_movsf_soft_insn,
11335         thumb2_movdf_soft_insn): Delete patterns.
11336         * config/arm/arm.md (arm_pool_range, thumb2_pool_range,
11337         arm_neg_pool_range, thumb2_neg_pool_range): New attributes.
11338         (pool_range, neg_pool_range): Use them to define defaults.
11339         (movdi, arm_movsf_soft_insn, arm_movdf_soft_insn): Define them
11340         and allow for TARGET_32BIT.
11341
11342         PR target/40457
11343         * config/arm/arm.h (arm_regs_in_sequence): Declare.
11344         * config/arm/arm-protos.h (emit_ldm_seq, emit_stm_seq,
11345         load_multiple_sequence, store_multiple_sequence): Delete
11346         declarations.
11347         (arm_gen_load_multiple, arm_gen_store_multiple): Adjust
11348         declarations.
11349         * config/arm/ldmstm.md: New file.
11350         * config/arm/arm.c (arm_regs_in_sequence): New array.
11351         (load_multiple_sequence): Now static.  New args SAVED_ORDER,
11352         CHECK_REGS.  All callers changed.
11353         If SAVED_ORDER is nonnull, copy the computed order into it.
11354         If CHECK_REGS is false, don't sort REGS.  Handle Thumb mode.
11355         (store_multiple_sequence): Now static.  New args NOPS_TOTAL,
11356         SAVED_ORDER, REG_RTXS and CHECK_REGS.  All callers changed.
11357         If SAVED_ORDER is nonnull, copy the computed order into it.
11358         If CHECK_REGS is false, don't sort REGS.  Set up REG_RTXS just
11359         like REGS.  Handle Thumb mode.
11360         (arm_gen_load_multiple_1): New function, broken out of
11361         arm_gen_load_multiple.
11362         (arm_gen_store_multiple_1): New function, broken out of
11363         arm_gen_store_multiple.
11364         (arm_gen_multiple_op): New function, with code from
11365         arm_gen_load_multiple and arm_gen_store_multiple moved here.
11366         (arm_gen_load_multiple, arm_gen_store_multiple): Now just
11367         wrappers around arm_gen_multiple_op.  Remove argument UP, all callers
11368         changed.
11369         (gen_ldm_seq, gen_stm_seq, gen_const_stm_seq): New functions.
11370         * config/arm/predicates.md (commutative_binary_operator): New.
11371         (load_multiple_operation, store_multiple_operation): Handle more
11372         variants of these patterns with different starting offsets.  Handle
11373         Thumb-1.
11374         * config/arm/arm.md: Include "ldmstm.md".
11375         (ldmsi_postinc4, ldmsi_postinc4_thumb1, ldmsi_postinc3, ldmsi_postinc2,
11376         ldmsi4, ldmsi3, ldmsi2, stmsi_postinc4, stmsi_postinc4_thumb1,
11377         stmsi_postinc3, stmsi_postinc2, stmsi4, stmsi3, stmsi2 and related
11378         peepholes): Delete.
11379         * config/arm/ldmstm.md: New file.
11380         * config/arm/arm-ldmstm.ml: New file.
11381
11382         * config/arm/arm.c (arm_rtx_costs_1): Remove second clause from the
11383         if statement which adds extra costs to frame-related expressions.
11384
11385 2010-08-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11386
11387         * config/arm/arm.c (COSTS_N_INSNS): Remove definition.
11388
11389 2010-08-01  Uros Bizjak  <ubizjak@gmail.com>
11390
11391         PR target/45142
11392         * config/i386/sse.md (vec_set<mode>_0): Do not set mode attribute for
11393         alternative 2.
11394         (vec_set<mode>_0 splitter): Use SSEMODE4S mode iterator to also
11395         split V4SI operands.
11396
11397 2010-08-01  Anatoly Sokolov  <aesok@post.ru>
11398
11399         * config/mmix/mmix.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
11400         * config/mmix/mmix-protos.h (mmix_asm_output_source_filename): Remove.
11401         * config/mmix/mmix.c (mmix_asm_output_source_filename): Make static.
11402         (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.
11403
11404 2010-07-31  Kai Tietz  <kai.tietz@onevision.com>
11405
11406         * cppdefault.c (cpp_include_defaults): Move GCC_INCLUDE_DIR before
11407         LOCAL_INCLUDE_DIR.
11408
11409 2010-07-31  Richard Sandiford  <rdsandiford@googlemail.com>
11410
11411         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Fix type
11412         used in the call to optab_for_tree_code.  Fix the second
11413         is_widening_mult_p call.  Check that both unwidened operands
11414         have the same sign.
11415
11416 2010-07-31  John Tytgat  <John.Tytgat@aaug.net>
11417
11418         * config/arm/arm.c (arm_function_arg): Remove superfluous test.
11419
11420 2010-07-31  Anatoly Sokolov  <aesok@post.ru>
11421
11422         * config/spu/spu.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
11423
11424 2010-07-30  DJ Delorie  <dj@redhat.com>
11425
11426         * config/rx/predicates.md (rx_constshift_operand): New.
11427         * config/rx/rx.md (zs_cond): New.
11428         (cbranchsi4): Remove mode.
11429         (*cbranchsi4_<code>): Likewise.
11430         (*tstbranchsi4_<code>): New.
11431         (*tstbranchsi4r_<code>): New.
11432         (*tstbranchsi4m_eq): New.
11433         (*tstbranchsi4m_ne): New.
11434         (cbranchsf4): Remove mode.
11435         (*cbranchsf4_<code>): Likewise.
11436
11437 2010-07-30  Bernd Schmidt  <bernds@codesourcery.com>
11438
11439         * rtlanal.c (simplify_subreg_regno): Don't treat
11440         HARD_FRAME_POINTER_REGNUM specially.
11441
11442 2010-07-30  Joseph Myers  <joseph@codesourcery.com>
11443
11444         * common.opt (-G): Don't define option here.
11445         * config/g.opt: New.
11446         * config.gcc: Use g.opt for alpha, frv, ia64, lm32, m32r, mips,
11447         rs6000/powerpc and score targets.
11448         * opts.c (common_handle_option): Don't handle -G here.
11449         * config/alpha/alpha.c (alpha_handle_option): Handle -G.
11450         * config/frv/frv.c (frv_handle_option): Handle -G.
11451         * config/ia64/ia64.c (ia64_handle_option): Handle -G.
11452         * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION): New.
11453         * config/m32r/m32r.c (m32r_handle_option): Handle -G.
11454         * config/mips/mips.c (mips_handle_option): Handle -G.
11455         * config/rs6000/rs6000.c (rs6000_handle_option) Handle -G.
11456         * config/score/score.c (score_handle_option): Handle -G.
11457
11458 2010-07-30  Anatoly Sokolov  <aesok@post.ru>
11459
11460         * config/mmix/mmix.c: Include basic-block.h.
11461
11462 2010-07-30  Jakub Jelinek  <jakub@redhat.com>
11463
11464         PR debug/45055
11465         PR rtl-optimization/45137
11466         * rtl.h (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn): New
11467         prototypes.
11468         * emit-rtl.c (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn):
11469         New functions.
11470         * combine.c (next_nonnote_nondebug_insn): Removed.
11471         * ifcvt.c (noce_process_if_block): Use prev_nonnote_nondebug_insn.
11472         * haifa-sched.c (queue_to_ready): Use next_nonnote_nondebug_insn.
11473         * sched-deps.c (sched_analyze_insn): Likewise.
11474         (fixup_sched_groups, deps_start_bb): Use prev_nonnote_nondebug_insn.
11475         * rtlanal.c (canonicalize_condition): Likewise.
11476         * postreload.c (reload_combine_recognize_pattern): Likewise.
11477         (reload_cse_move2add): Use next_nonnote_nondebug_insn.
11478
11479 2010-07-29  Uros Bizjak  <ubizjak@gmail.com>
11480
11481         * config/i386/i386.md (int_cond): Remove code iterator.
11482         (fp_cond): Ditto.
11483         (cbranch<mode>4): Use ordered_comparison_operator predicate
11484         for operator0.
11485         (cstore<mode>4): Ditto for operator1.
11486         (mov<SWIM:mode>cc and corresponding splitter): Ditto.
11487         (add<mode>cc): ditto.
11488
11489 2010-07-30  Richard Guenther  <rguenther@suse.de>
11490
11491         PR middle-end/45141
11492         * expr.c (expand_expr_real_1): Check for not handled base address.
11493
11494 2010-07-30  Richard Guenther  <rguenther@suse.de>
11495
11496         * ipa-prop.c (ipa_modify_formal_parameters): Use
11497         build_distinct_type_copy.
11498
11499 2010-07-30  Anthony Green  <green@moxielogic.com>
11500
11501         * config/moxie/rtems.h: New file.
11502         * config.gcc: Add moxie-rtems support.
11503
11504 2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>
11505
11506         * dce.c (run_word_dce): Take flag_dce into account.  Clear and restore
11507         df flags as in run_fast_df_dce.
11508
11509 2010-07-29  Jakub Jelinek  <jakub@redhat.com>
11510
11511         Revert:
11512         2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
11513
11514         * rtl.def (NOTE): Swap operands 4 and 5.
11515         * rtl.h (NOTE_DATA, NOTE_DELETED_LABEL_NAME, NOTE_BLOCK,
11516         NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION, NOTE_KIND):
11517         Adjust accordingly.
11518         * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of NOTEs.
11519
11520 2010-07-29  Jakub Jelinek  <jakub@redhat.com>
11521
11522         PR debug/45110
11523         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_object_pointer.
11524         (gen_formal_types_die): Add DW_AT_object_pointer in methods.
11525         (gen_subprogram_die): Likewise.  Remove it when removing declaration's
11526         formal parameters.
11527         (gen_decl_die): Change return type to dw_die_ref, return what
11528         gen_formal_parameter_die returned.
11529
11530 2010-07-29  Martin Jambor  <mjambor@suse.cz>
11531
11532         * dbgcnt.def (eipa_sra): New counter.
11533         * tree-sra.c (ipa_early_sra_gate): Also check eipa_sra debug counter.
11534
11535 2010-07-29  Xinliang David Li  <davidxl@google.com>
11536
11537         PR bootstrap/45119
11538         * tree-ssa-loop-ivopts.c (get_address_cost): Revert change
11539         in revision 162652.
11540
11541 2010-07-29  Richard Guenther  <rguenther@suse.de>
11542
11543         * timevar.def (TV_TREE_STORE_COPY_PROP): Remove.
11544         (TV_TREE_STORE_CCP): Likewise.
11545         (TV_TREE_REDPHI): Likewise.
11546
11547 2010-07-29  Richard Guenther  <rguenther@suse.de>
11548
11549         * double-int.h (double_int_and_not): New function.
11550         * combine.c (try_combine): Use it.
11551         * tree-vrp.c (simplify_bit_ops_using_ranges): Likewise.
11552
11553 2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>
11554
11555         PR rtl-optimization/42575
11556         * dce.c (word_dce_process_block): Renamed from byte_dce_process_block.
11557         Argument AU removed.  All callers changed.  Ignore artificial refs.
11558         Use return value of df_word_lr_simulate_defs to decide whether an insn
11559         is necessary.
11560         (fast_dce): Rename arg to WORD_LEVEL.
11561         (run_word_dce): Renamed from rest_of_handle_fast_byte_dce.  No longer
11562         static.
11563         (pass_fast_rtl_byte_dce): Delete.
11564         * dce.h (run_word_dce): Declare.
11565         * df-core.c (df_print_word_regset): Renamed from df_print_byteregset.
11566         All callers changed.  Simplify code to only deal with two-word regs.
11567         * df.h (DF_WORD_LR): Renamed from DF_BYTE_LR.
11568         (DF_WORD_LR_BB_INFO): Renamed from DF_BYTE_LR_BB_INFO.
11569         (DF_WORD_LR_IN): Renamed from DF_BYTE_LR_IN.
11570         (DF_WORD_LR_OUT): Renamed from DF_BYTE_LR_OUT.
11571         (struct df_word_lr_bb_info): Renamed from df_byte_lr_bb_info.
11572         (df_word_lr_mark_ref): Declare.
11573         (df_word_lr_add_problem, df_word_lr_mark_ref, df_word_lr_simulate_defs,
11574         df_word_lr_simulate_uses): Declare or rename from byte variants.
11575         (df_byte_lr_simulate_artificial_refs_at_top,
11576         df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
11577         df_byte_lr_get_regno_len, df_compute_accessed_bytes): Delete
11578         declarations.
11579         (df_word_lr_get_bb_info): Rename from df_byte_lr_get_bb_info.
11580         (enum df_mm): Delete.
11581         * df-byte-scan.c: Delete file.
11582         * df-problems.c (df_word_lr_problem_data): Renamed from
11583         df_byte_lr_problem_data, all members deleted except for
11584         WORD_LR_BITMAPS, which is renamed from BYTE_LR_BITMAPS.  Uses changed.
11585         (df_word_lr_expand_bitmap, df_byte_lr_simulate_artificial_refs_at_top,
11586         df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
11587         df_byte_lr_get_regno_len, df_byte_lr_check_regs,
11588         df_byte_lr_confluence_0): Delete functions.
11589         (df_word_lr_free_bb_info): Renamed from df_byte_lr_free_bb_info; all
11590         callers changed.
11591         (df_word_lr_alloc): Renamed from df_byte_lr_alloc; all callers changed.
11592         Don't initialize members that were deleted, don't try to discover data
11593         about registers.  Ignore hard regs.
11594         (df_word_lr_reset): Renamed from df_byte_lr_reset; all callers changed.
11595         (df_word_lr_mark_ref): New function.
11596         (df_word_lr_bb_local_compute): Renamed from
11597         df_byte_bb_lr_local_compute; all callers changed.  Use
11598         df_word_lr_mark_ref.  Assert that artificial refs don't include
11599         pseudos.  Ignore hard registers.
11600         (df_word_lr_local_compute): Renamed from df_byte_lr_local_compute.
11601         Assert that exit block uses don't contain pseudos.
11602         (df_word_lr_init): Renamed from df_byte_lr_init; all callers changed.
11603         (df_word_lr_confluence_n): Renamed from df_byte_lr_confluence_n; all
11604         callers changed.  Ignore hard regs.
11605         (df_word_lr_transfer_function): Renamed from
11606         df_byte_lr_transfer_function; all callers changed.
11607         (df_word_lr_free): Renamed from df_byte_lr_free; all callers changed.
11608         (df_word_lr_top_dump): Renamed from df_byte_lr_top_dump; all callers
11609         changed.
11610         (df_word_lr_bottom_dump): Renamed from df_byte_lr_bottom_dump; all
11611         callers changed.
11612         (problem_WORD_LR): Renamed from problem_BYTE_LR; uses changed;
11613         confluence operator 0 set to NULL.
11614         (df_word_lr_add_problem): Renamed from df_byte_lr_add_problem; all
11615         callers changed.
11616         (df_word_lr_simulate_defs): Renamed from df_byte_lr_simulate_defs.
11617         Return bool, true if bitmap changed or insn otherwise necessary.
11618         All callers changed.  Simplify using df_word_lr_mark_ref.
11619         (df_word_lr_simulate_uses): Renamed from df_byte_lr_simulate_uses;
11620         all callers changed.  Simplify using df_word_lr_mark_ref.
11621         * lower-subreg.c: Include "dce.h"
11622         (decompose_multiword_subregs): Call run_word_dce if df available.
11623         * Makefile.in (lower-subreg.o): Adjust dependencies.
11624         (df-byte-scan.o): Delete.
11625         * timevar.def (TV_DF_WORD_LR): Renamed from TV_DF_BYTE_LR.
11626
11627 2010-07-29  Richard Guenther  <rguenther@suse.de>
11628
11629         * tree.c (build_vector): Assert that the vector constant
11630         has enough elements.
11631         (build_vector_from_ctor): Pad with trailing zeros.
11632
11633 2010-07-29  Richard Guenther  <rguenther@suse.de>
11634
11635         PR tree-optimization/45120
11636         * tree-ssa-structalias.c (get_constraint_for_component_ref):
11637         Handle offset in DEREFs properly.
11638         (get_constraint_for_1): Handle MEM_REF offset properly.
11639
11640 2010-07-29  Richard Guenther  <rguenther@suse.de>
11641
11642         PR middle-end/45034
11643         * convert.c (convert_to_integer): Always use an unsigned
11644         type for narrowed negate and bitwise not.
11645
11646 2010-07-29  Ira Rosen  <irar@il.ibm.com>
11647
11648         * tree-vect-loop.c (vect_create_epilog_for_reduction): Switch
11649         to outer loop when creating reduction epilogue for double reduction,
11650         and switch back to the inner loop when updating the phi nodes.
11651         Update uses of outer loop exit phi nodes in double reduction (instead
11652         of uses of reduction).
11653
11654 2010-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
11655
11656         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update costs for
11657         popcount on power7 and parity on power6 systems.
11658         (rs6000_emit_popcount): Rename gen_popcntwsi2 to gen_popcntddi2.
11659         (rs6000_emit_parity): Add support for power6 prtyd/prtyw
11660         instructions.
11661
11662         * config/rs6000/rs6000.md (UNSPEC_COPYSIGN): New unspec.
11663         (UNSPEC_PARITY): Ditto.
11664         (SFDF): New iterator for SF/DF.
11665         (rreg2): New mode attribute for floating register constraint.
11666         (TARGET_FLOAT): New mode attribute for whether single/double float
11667         is supported.
11668         (popcntd<mode>2): Combine popcntwsi2 and popcntddi2 into one
11669         pattern.
11670         (parity<mode>2_cmpb): New insn for parity on power6 and newer
11671         machines.
11672         (copysign<mode>3): Combine copysignsf3, copysigndf3 into one
11673         pattern.  Add support for fcpsgn instruction added in power6.
11674         (copysignsf3): Delete.
11675         (copysigndf3): Delete.
11676         (copysign<mode>3_fcpsgn): New insn to generate fcpsgn.  Use UNSPEC
11677         instead of if_then_else in RTL to avoid problems with -0.
11678
11679         * config/rs6000/vsx.md (vsx_copysign<mode>3): Use UNSPEC instead
11680         of if_then_else to mirror scalar code.
11681         (vsx_copysignsf3): Delete, use copysign<mode>3_fcpsgn in
11682         rs6000.md.
11683
11684         * config/rs6000/vector.md (vector_copysign<mode>3): Use UNSPEC
11685         instead of if_then_else.
11686
11687 2010-07-28  Xinliang David Li  <davidxl@google.com>
11688
11689         * tree-ssa-loop-ivopts.c (avg_loop_niter): New function.
11690         (dump_cand): Dump var_before/after.
11691         (htab_inv_expr_eq): New function.
11692         (htab_inv_expr_hash): New function.
11693         (tree_ssa_iv_optimize_init): Support pseudo invariants.
11694         (add_candidate_1): consider base type precision.
11695         (set_use_iv_cost): New parameter.
11696         (adjust_setup_cost): Use profile information.
11697         (get_address_cost): Do not hard code width in computing address
11698         offset limits.
11699         (compare_aff_trees): New function.
11700         (get_loop_invariant_expr_id): New function.
11701         (get_computation_cost_at): New parameter and use profile information.
11702         (get_computation_cost): New parameter.
11703         (determine_use_iv_cost_generic): Pass new parameter.
11704         (determine_use_iv_cost_address): Ditto.
11705         (determine_use_iv_cost_condition): Ditto.
11706         (autoinc_possible_for_pair): Ditto.
11707         (determine_use_iv_costs): More dumps.
11708         (iv_ca_get_num_inv_exprs): New function.
11709         (iv_ca_recount_cost): Consider loop invariants in register pressure
11710         cost.
11711         (iv_ca_add_use): New parameter.
11712         (iv_ca_dump): Better dumping.
11713         (iv_ca_extend): New parameter.
11714         (try_add_cand_for): Attempt to get better partial solution.
11715         (try_improve_iv_set): Pass new parameter to iv_ca_extend.
11716         (create_new-ivs): More dumps.
11717         (rewrite_use_compare): Ditto.
11718         (free_loop_data): More cleanup.
11719         (treee_ssa_iv_optimize_finalize): Ditto.
11720
11721 2010-07-28  Kai Tietz  <kai.tietz@onevision.com>
11722
11723         * config/i386/i386.h (MCOUNT_NAME_BEFORE_PROLOGUE): New.
11724         * config/i386/i386.c (ix86_profile_before_prologue): New.
11725         (override_options): Add special handling for -mfentry.
11726         (ix86_function_regparm): Likewise.
11727         (ix86_function_sseregparm): Likewise.
11728         (ix86_frame_pointer_required): Likewise.
11729         (ix86_expand_prologue): Check for ms_hook_prologue.
11730         (x86_function_profiler): Adjust mcount output.
11731         (TARGET_PROFILE_BEFORE_PROLOGUE): Define hook.
11732         * config/i386/i386.opt (mfentry): New.
11733         * doc/invoke.texi (mfentry): Add documentation.
11734         * doc/tm.texi: Regenerated..
11735         * doc/tm.texi.in (TARGET_PROFILE_BEFORE_PROLOGUE): New.
11736         * final.c (final_start_function): Replace macro
11737         PROFILE_BEFORE_PROLOGUE by target hook.
11738         * function.c (thread_prologue_and_epilogue_insns): Likewise.
11739         * target.def (profile_before_prologue): New hook.
11740         * targhooks.c (default_profile_before_prologue): New.
11741         * targhooks.h (default_profile_before_prologue): New.
11742
11743 2010-07-28  Jakub Jelinek  <jakub@redhat.com>
11744
11745         PR debug/45105
11746         * gcse.c (hoist_code): Use FOR_BB_INSNS macro.
11747
11748         PR debug/45103
11749         * dwarf2out.c (dwarf2out_var_location): Always consider
11750         NOTE_DURING_CALL_P notes, even when not followed by real instructions.
11751
11752 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
11753
11754         PR rtl-optimization/45107
11755         * gcse.c (hash_scan_set): Use max_distance for gcse-las.
11756
11757 2010-07-28  Richard Guenther  <rguenther@suse.de>
11758
11759         * tree-ssa-ccp.c: Remove comment regarding STORE-CCP.
11760         (set_lattice_value): Do not query an old default value.
11761         (get_value_for_expr): New function.  Properly canonicalize
11762         float values.
11763         (ccp_visit_phi_node): Use it.
11764
11765 2010-07-28  Chung-Lin Tang  <cltang@codesourcery.com>
11766
11767         * config/arm/arm.c (arm_pcs_default): Remove static.
11768         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
11769         __ARM_PCS_VFP to indicate soft/hard-float calling convention.
11770         (arm_pcs_default): Declare.
11771
11772 2010-07-28  Iain Sandoe  <iains@gcc.gnu.org>
11773
11774         * config/rs6000/rs6000.c (rs6000_override_options):
11775         Use TARGET_MACHO inline, move darwin_one_byte_bool from here...
11776         ... to darwin_rs6000_override_options.
11777         (rs6000_return_in_memory): Update preceding comment for darwin
11778         64 bit ABI.  Use TARGET_MACHO inline.
11779         (rs6000_darwin64_struct_check_p): New.
11780         (function_arg_advance): Use rs6000_darwin64_struct_check_p.
11781         (function_arg): Likewise.
11782         (rs6000_arg_partial_bytes): Likewise.
11783         (rs6000_function_value): Likewise.
11784
11785 2010-07-28  Andi Kleen  <ak@linux.intel.com>
11786
11787         * lto-opts.c (lto_file_read_options): Add loop over all inputs.
11788
11789 2010-07-28  Richard Guenther  <rguenther@suse.de>
11790
11791         PR middle-end/44903
11792         * builtins.c (fold_builtin_memory_op): On STRICT_ALIGNMENT
11793         targets try harder to not generate unaligned accesses.
11794
11795 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
11796
11797         PR rtl-optimization/45101
11798         * gcse.c (hash_scan_set): Fix argument ordering of insert_expr_in_table
11799         for gcse-las.
11800
11801 2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>
11802
11803         PR tree-optimization/44885
11804         * tree-sra.c (find_param_candidates): Skip pointer types to arrays
11805         with non-aliased component.
11806
11807 2010-07-28  Joseph Myers  <joseph@codesourcery.com>
11808
11809         * config/darwin-driver.c (SWITCH_TAKES_ARG,
11810         WORD_SWITCH_TAKES_ARG): Remove.
11811         * cppspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
11812         * defaults.h (DEFAULT_SWITCH_TAKES_ARG,
11813         DEFAULT_WORD_SWITCH_TAKES_ARG): Move from gcc.h.
11814         (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move default
11815         definitions from gcc.c.
11816         * gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move to
11817         defaults.h.
11818         * gcc.h (DEFAULT_SWITCH_TAKES_ARG, DEFAULT_WORD_SWITCH_TAKES_ARG):
11819         Move to defaults.h.
11820         * opts-common.c: Include tm.h.
11821         (decode_cmdline_option): Use SWITCH_TAKES_ARG and
11822         WORD_SWITCH_TAKES_ARG to count arguments to unknown options.
11823         Handle more than one argument.  Set canonical_option_num_elements.
11824         (decode_cmdline_options_to_array): Set
11825         canonical_option_num_elements and trailing elements of
11826         canonical_option.
11827         * opts.h (struct cl_decoded_option): Allow four elements in
11828         canonical_option.  Add field canonical_option_num_elements.
11829         * Makefile.in (opts-common.o): Update dependencies.
11830
11831 2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>
11832
11833         PR middle-end/44790
11834         PR middle-end/44993
11835         * expr.c (expand_expr_real_1) <MEM_REF>: Revert latest change.  Make
11836         sure the base has address_mode before adding the offset.
11837
11838 2010-07-27  Xinliang David Li  <davidxl@google.com>
11839
11840         * tree-flow.h (create_mem_ref): Add one new parameter.
11841         * tree-ssa-address.c (create_mem_ref): New parameter.
11842         (addr_to_parts): Ditto.
11843         (move_variant_to_index): New function.
11844         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass new argument.
11845
11846 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
11847
11848         * rtl.def (DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, NOTE): Swap operands
11849         4 and 5.
11850         * rtl.h (PATTERN, INSN_LOCATOR, NOTE_DATA, NOTE_DELETED_LABEL_NAME,
11851         NOTE_BLOCK, NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION,
11852         NOTE_KIND, LABEL_NUSES, LABEL_REFS): Adjust accordingly.
11853         * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of
11854         CODE_LABELs and NOTEs.
11855         * caller-save.c (init_caller_save): Fix up gen_rtx_INSN call.
11856         * combine.c (try_combine): Likewise.
11857         * ira.c (setup_prohibited_mode_move_regs): Likewise.
11858         * print-rtl.c (print_rtx): Start REG_NOTES on a new line.
11859
11860 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
11861
11862         * coretypes.h (struct cl_option_handlers): Declare.
11863         * hooks.c (hook_int_size_t_constcharptr_int_0): Remove.
11864         * hooks.h (hook_int_size_t_constcharptr_int_0): Remove.
11865         * langhooks-def.h (lhd_handle_option): Declare.
11866         (LANG_HOOKS_HANDLE_OPTION): Use lhd_handle_option.
11867         * langhooks.c (lhd_handle_option): New.
11868         * langhooks.h (struct lang_hooks): Update prototype and return
11869         value type of handle_option hook.
11870         * optc-gen.awk: Generate target_flags_explicit definition for the
11871         driver.
11872         * opts-common.c: Include diagnostic.h.
11873         (handle_option): Move from opts.c.  Update prototype and return
11874         value type.  Use handlers structure.
11875         (read_cmdline_option): Move from opts.c.  Update prototype.  Use
11876         handlers structure.
11877         (set_option): Move from opts.c.
11878         * opts.c (common_handle_option): Update prototype and return value
11879         type.  Update calls to handle_option and enable_warning_as_error.
11880         (unknown_option_callback, post_handling_callback,
11881         lang_handle_option, target_handle_option): New.
11882         (handle_option, read_cmdline_option): Move to opts-common.c.
11883         (read_cmdline_options): Update prototype.  Update call to
11884         read_cmdline_option.
11885         (decode_options): Initialize and use handlers structure.
11886         (set_option): Move to opts-common.c.
11887         (enable_warning_as_error): Update prototype.  Update call to
11888         handle_option.
11889         * opts.h (struct cl_option_handler_func, struct
11890         cl_option_handlers): New.
11891         (handle_option, enable_warning_as_error): Update prototypes.
11892         (read_cmdline_option): Declare.
11893         * Makefile.in (opts-common.o): Update dependencies.
11894
11895 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11896
11897         * config/arm/arm.c (params.h): Include.
11898         (arm_override_options): Tune gcse-unrestricted-cost.
11899         * config/arm/t-arm (arm.o): Define dependencies.
11900
11901 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11902
11903         PR target/42495
11904         PR middle-end/42574
11905         * basic-block.h (get_dominated_to_depth): Declare.
11906         * dominance.c (get_dominated_to_depth): New function, use
11907         get_all_dominated_blocks as a base.
11908         (get_all_dominated_blocks): Use get_dominated_to_depth.
11909
11910         * gcse.c (occr_t, VEC (occr_t, heap)): Define.
11911         (hoist_exprs): Remove.
11912         (alloc_code_hoist_mem, free_code_hoist_mem): Update.
11913         (compute_code_hoist_vbeinout): Add debug print outs.
11914         (hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.
11915
11916         * params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
11917         quadratic behavior.
11918         * params.h (MAX_HOIST_DEPTH): New macro.
11919         * doc/invoke.texi (max-hoist-depth): Document.
11920
11921 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11922
11923         PR rtl-optimization/40956
11924         * config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
11925         constants.
11926
11927 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11928
11929         PR target/42495
11930         PR middle-end/42574
11931         * config/arm/arm.c (legitimize_pic_address): Use
11932         gen_calculate_pic_address pattern to emit calculation of PIC address.
11933         (will_be_in_index_register): New function.
11934         (arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
11935         (thumb1_legitimate_address_p): Use it provided !strict_p.
11936         * config/arm/arm.md (calculate_pic_address): New expand and split.
11937
11938 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11939
11940         PR target/42495
11941         PR middle-end/42574
11942         * config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
11943         * config/arm/arm.md (define_split "J", define_split "K"): Make
11944         IRA/reload friendly.
11945
11946 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11947
11948         * gcse.c (insert_insn_end_basic_block): Update signature, remove
11949         unused checks.
11950         (pre_edge_insert, hoist_code): Update.
11951
11952 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11953
11954         PR target/42495
11955         PR middle-end/42574
11956         * gcse.c (hoist_expr_reaches_here_p): Remove excessive check.
11957
11958 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11959
11960         * gcse.c (hoist_code): Generate new pseudo for every new set insn.
11961
11962 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11963
11964         PR rtl-optimization/40956
11965         PR target/42495
11966         PR middle-end/42574
11967         * gcse.c (compute_code_hoist_vbeinout): Consider more expressions
11968         for hoisting.
11969         (hoist_code): Count occurences in current block too.
11970
11971 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
11972
11973         * gcse.c (struct expr:max_distance): New field.
11974         (doing_code_hoisting_p): New static variable.
11975         (want_to_gcse_p): Change signature.  Allow constrained hoisting of
11976         simple expressions, don't change behavior for PRE.  Set max_distance.
11977         (insert_expr_in_table): Set new max_distance field.
11978         (hash_scan_set): Update.
11979         (hoist_expr_reaches_here_p): Stop search after max_distance
11980         instructions.
11981         (find_occr_in_bb): New static function.  Use it in ...
11982         (hoist_code): Calculate sizes of basic block before any changes are
11983         done.  Pass max_distance to hoist_expr_reaches_here_p.
11984         (one_code_hoisting_pass): Set doing_code_hoisting_p.
11985
11986         * params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
11987         (PARAM_GCSE_UNRESTRICTED_COST): New parameters.
11988         * params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
11989         macros.
11990         * doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
11991         Document.
11992
11993 2010-07-27  Jeff Law  <law@redhat.com>
11994             Maxim Kuvyrkov  <maxim@codesourcery.com>
11995
11996         * gcse.c (compute_transpout, transpout): Remove, move logic
11997         to prune_expressions.
11998         (compute_pre_data): Move pruning of trapping expressions ...
11999         (prune_expressions): ... here.  New static function.
12000         (compute_code_hoist_data): Use it.
12001         (alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.
12002
12003 2010-07-27  Xinliang David Li  <davidxl@google.com>
12004
12005         * tree-ssa-loop-ivopts.c (adjust_iv_update_pos): New function.
12006         (rewrite_use_address): Adjust iv update position when needed.
12007
12008 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
12009
12010         * dbgcnt.def (hoist_insn): New debug counter.
12011         * gcse.c (hoist_code): Use it.
12012
12013 2010-07-27  Xinliang David Li  <davidxl@google.com>
12014
12015         * tree-ssa-loop-ivopts.c (niter_for_exit): New parameter.
12016         (niter_for_single_dom_exit): Passes additional parameter.
12017         (iv_period): Fix comments.
12018         (may_eliminate_iv): Handles multiple exit loops properly.
12019         (free_tree_niter_desc): New function.
12020         (free_loop_data): Frees up loop iteration descriptors.
12021
12022 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
12023
12024         PR target/44542
12025         * cfgexpand.c (expand_one_stack_var_at): Limit align to maximum
12026         of max_used_stack_slot_alignment and PREFERRED_STACK_BOUNDARY
12027         instead of MAX_SUPPORTED_STACK_ALIGNMENT.
12028         (expand_one_var): Don't consider DECL_ALIGN for variables for
12029         which expand_one_stack_var_at has been already called.
12030
12031         PR testsuite/44701
12032         * doc/md.texi: Clarify m and es constraints on PowerPC and m and S
12033         constraints on IA-64.
12034
12035 2010-07-27  Jie Zhang  <jie@codesourcery.com>
12036
12037         PR target/44290
12038         Revert:
12039         2010-07-23  Jie Zhang  <jie@codesourcery.com>
12040
12041         * tree-sra.c (ipa_sra_preliminary_function_checks): Return
12042         false if ! tree_versionable_function_p.
12043
12044 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
12045
12046         * dwarf2out.c (add_data_member_location_attribute): Use
12047         add_AT_unsigned instead of add_AT_int if offset is non-negative.
12048
12049 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
12050
12051         * postreload.c (try_replace_in_use): New static function.
12052         (reload_combine_recognize_const_pattern): Use it here.  Allow
12053         substituting into a final add insn, and substituting into a memory
12054         reference in an insn that sets the reg.
12055
12056 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
12057
12058         * common.opt (o): Add MissingArgError.
12059         * doc/options.texi (MissingArgError): Document.
12060         * hooks.c (hook_bool_constcharptr_size_t_false): Remove.
12061         * hooks.h (hook_bool_constcharptr_size_t_false): Remove.
12062         * langhooks-def.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
12063         (LANG_HOOKS_INITIALIZER): Remove missing_argument hook initializer.
12064         * langhooks.h (struct lang_hooks): Remove missing_argument.
12065         * optc-gen.awk: Handle MissingArgError and output new structure
12066         field initializers.
12067         * opts.c (read_cmdline_option): Use missing_argument_error field
12068         instead of missing_argument langhook.
12069         * opts.h (struct cl_option): Add missing_argument_error field.
12070         * system.h (LANG_HOOKS_MISSING_ARGUMENT): Poison.
12071
12072 2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>
12073
12074         PR target/29090
12075         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Special-case the
12076         Darwin64 ABI, for zero-sized objects.
12077
12078 2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>
12079
12080         PR target/35491
12081         PR target/29090
12082
12083         Merge from Apple local 4.2.1.
12084         2005-05-11  Stan Shebs  <shebs@apple.com>
12085         Fix 64-bit varargs for Darwin (Radar 4028089).
12086         * config/rs6000/rs6000.h (rs6000_args): New field floats_in_gpr.
12087         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
12088         Add argument, add case for 8-byte register half-filled with a float.
12089         (rs6000_darwin64_record_arg_advance_recurse): Detect and handle
12090         single-precision floats specially.
12091
12092 2010-07-27  Ira Rosen  <irar@il.ibm.com>
12093
12094         PR tree-optimization/44152
12095         * tree-vect-slp.c (vect_build_slp_tree): Collect nodes with
12096         complex numbers for further check.
12097         (vect_supported_load_permutation_p): Check nodes with
12098         complex numbers.
12099
12100 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
12101
12102         * langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
12103         LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
12104         (LANG_HOOKS_INIT_OPTIONS): Update default definition.
12105         (LANG_HOOKS_INITIALIZER): Add new hooks.
12106         * langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
12107         * langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
12108         and complain_wrong_lang_p.  Update init_options prototype.
12109         * c-objc-common.c (c_initialize_diagnostics): First call
12110         c_common_initialize_diagnostics.
12111         * c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
12112         LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
12113         * coretypes.h (struct cl_option, struct cl_decoded_option): Declare.
12114         * hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
12115         (hook_uint_void_0): New.
12116         * hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
12117         (hook_uint_void_0): New.
12118         * opts-common.c (decode_cmdline_option,
12119         decode_cmdline_options_to_array): Also fill in canonical_option field.
12120         * opts.c (complain_wrong_lang): Use langhook to determine whether
12121         to complain instead of special-casing LTO.
12122         (decode_options): Separate lang_mask determination with
12123         option_lang_mask hook from call of init_options hook.
12124         * opts.h (struct cl_decoded_option): Add canonical_option.
12125
12126 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
12127
12128         PR tree-optimization/45083
12129         * tree-inline.c (add_local_variables): Also remap DECL_DEBUG_EXPR.
12130
12131 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
12132
12133         * postreload.c (reload_combine_recognize_const_pattern): Move test
12134         for limiting the insn movement to the right scope.
12135
12136         PR rtl-optimization/45051
12137         * reload1.c (delete_output_reload): Use refers_to_regno_p rather
12138         than reg_mentioned_p.
12139
12140 2010-07-26  Richard Henderson  <rth@redhat.com>
12141
12142         PR target/44132
12143         * tree-emutls.c: New file.
12144         * Makefile.in (OBJS-common): Add it.
12145         * tree-pass.h (pass_ipa_lower_emutls): Declare.
12146         * passes.c (init_optimization_passes): Add it.
12147
12148         * dwarf2out.c (loc_list_from_tree): If emutls.debug_form_tls_address,
12149         pull the control variable from DECL_VALUE_EXPR, not emutls_decl.
12150         * expr.c (emutls_var_address): Delete.
12151         (expand_expr_addr_expr_1, expand_expr_real_1): Don't use it.
12152         * output.h (SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL): Delete.
12153         (emutls_finish): Delete.
12154         * toplev.c (compile_file): Don't call it.
12155         * tree.h (emutls_decl): Delete.
12156         * varasm.c (emutls_htab, DECL_EMUTLS_VAR_P): Delete.
12157         (emutls_finish, emutls_finalize_control_var): Delete.
12158         (emutls_object_type): Move to tree-emutls.c.
12159         (EMUTLS_SEPARATOR, prefix_name, get_emutls_object_name,
12160         default_emutls_var_fields, get_emutls_object_type,
12161         get_emutls_init_templ_addr, emutls_decl, emutls_common_1
12162         default_emutls_var_init): Likewise.
12163         (get_variable_section): Don't special case emutls.
12164         (assemble_variable, do_assemble_alias, categorize_decl_for_section,
12165         default_elf_select_section, default_unique_section,
12166         default_encode_section_info): Likewise.
12167         * varpool.c (decide_is_variable_needed): Likewise.
12168         * gimple-iterator.c (update_call_edge_frequencies): New
12169         (gsi_insert_on_edge_immediate): Use it.
12170         (gsi_insert_seq_on_edge_immediate): Likewise.
12171         (gsi_commit_one_edge_insert): Likewise.
12172
12173         * config/i386/i386.c (x86_64_elf_select_section): Don't handle
12174         SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL.
12175         (x86_64_elf_unique_section): Likewise.
12176
12177 2010-07-26  Jan Hubicka  <jh@suse.cz>
12178
12179         * lto-streamer.h (struct lto_file_decl_data): Mark resolutions with
12180         GTY((skip)).
12181
12182 2010-07-26  Anatoly Sokolov  <aesok@post.ru>
12183
12184         * target.def (output_source_filename): New hook.
12185         * doc/tm.texi.in (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Document.
12186         * doc/tm.texi: Regenerate.
12187         * toplev.c (output_file_directive) Remove function.
12188         * toplev.h (output_file_directive) Remove.
12189         * output.h (default_asm_output_source_filename,
12190         output_file_directive): Declare.
12191         * varasm.h (default_asm_output_source_filename,
12192         output_file_directive): New functions.
12193
12194         * config/mips/mips.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
12195         * config/mips/mips-protos.h (mips_output_filename): Remove.
12196         * config/mips/mips.c (mips_output_filename): Make Static.
12197         (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.
12198
12199 2010-07-26  Richard Guenther  <rguenther@suse.de>
12200
12201         PR tree-optimization/43784
12202         * tree-nrv.c (dest_safe_for_nrv_p): It's not safe to NRV
12203         if the destination is used by the call.
12204
12205 2010-07-26  Richard Guenther  <rguenther@suse.de>
12206
12207         PR middle-end/45073
12208         * gimple-fold.c (gimplify_and_update_call_from_tree): Conditionalize
12209         SSA updating on being in SSA form.
12210
12211 2010-07-26  Richard Guenther  <rguenther@suse.de>
12212
12213         PR middle-end/45056
12214         * gimple-fold.c (fold_stmt_1): Also fold references in debug stmts.
12215
12216 2010-07-26  Richard Guenther  <rguenther@suse.de>
12217
12218         PR tree-optimization/45071
12219         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Always
12220         adjust op->opcode.
12221
12222 2010-07-26  Naveen.H.S  <naveen.S@kpitcummins.com>
12223
12224         * config/v850/lib1funcs.asm (save_r2_r31, return_r2_r31,
12225         save_r20_r31, return_r20_r31, save_r21_r31, return_r21_r31,
12226         save_r22_r31, return_r22_r31, save_r23_r31, return_r23_r31,
12227         save_r24_r31, return_r24_r31, save_r25_r31, return_r25_r31,
12228         save_r26_r31, return_r26_r31, save_r27_r31, return_r27_r31,
12229         save_r28_r31, return_r28_r31, save_r29_r31, return_r29_r31,
12230         save_r31, return_r31, save_interrupt, return_interrupt,
12231         save_all_interrupt, return_all_interrupt, L_save_r2_r31,
12232         L_return_interrupt, callt_return_interrupt, L_restore_all_interrupt,
12233         L_save_##START##_r31c, L_callt_save_r31c): Updated as per the
12234         new ABI requirements.
12235         (save_r6_r9, L_callt_save_r6_r9): Remove.
12236         * config/v850/predicates.md (even_reg_operand, disp23_operand,
12237         const_float_1_operand const_float_0_operand): New Predicates.
12238         (pattern_is_ok_for_prepare, pattern_is_ok_for_prologue,
12239         pattern_is_ok_for_epilogue): Update as per the ABI requirements.
12240         * config/v850/t-v850: Update multilibs for new target variants.
12241         (save_varargs, callt_save_varargs, callt_save_r6_r9): Remove.
12242         * config/v850/t-v850e: Likewise.
12243         * config/v850/v850.c (v850_issue_rate): New.
12244         (v850_strict_argument_naming): New.
12245         (function_arg): Modify to generate a different ABI.
12246         (print_operand): Update case 'z' to support float modes.
12247         (output_move_single): Modify to generate appropriate and better
12248         assembly.
12249         (v850_float_z_comparison_operator, v850_select_cc_mode,
12250         v850_float_nz_comparison_operator,  v850_gen_float_compare,
12251         v850_gen_compare): New functions to support comparison of float values.
12252         (ep_memory_offset): Add support for V850E2 targets.
12253         (INTERRUPT_FIXED_NUM, INTERRUPT_ALL_SAVE_NUM): Update.
12254         (INTERRUPT_REGPARM_NUM): Remove.
12255         (compute_register_save_size): Add extra case to save/restore long call.
12256         (use_prolog_function): New function to support prologue.
12257         (expand_prologue): Add support for V850E2 targets and modified
12258         as per the current ABI requirements.
12259         (expand_epilogue): Likewise.
12260         (construct_restore_jr): Modify based on TARGET_LONG_CALLS.
12261         (construct_save_jarl): Likewise.
12262         (construct_dispose_instruction): Update as per the current ABI
12263         requirements.
12264         (construct_prepare_instruction): Likewise.
12265         * config/v850/v850.h (TARGET_CPU_DEFAULT): Add target predefines.
12266         (TARGET_CPU_v850e2, TARGET_CPU_v850e2v3): Define
12267         (CPP_SPEC): Updated to support v850e2 targets.
12268         (STRICT_ALIGNMENT): Modified.
12269         (FIRST_PSEUDO_REGISTER): Updated to add even registers.
12270         (FIXED_REGISTERS): Likewise.
12271         (CALL_USED_REGISTERS): Likewise.
12272         (CONDITIONAL_REGISTER_USAGE): Updated.
12273         (HARD_REGNO_MODE_OK): Updated.
12274         (reg_class): Updated to add even registers.
12275         (REG_CLASS_NAMES): Likewise.
12276         (REG_CLASS_CONTENTS): Likewise.
12277         (REGNO_REG_CLASS): Updated for CC registers.
12278         (REG_CLASS_FROM_LETTER): Added support for even registers.
12279         (REGNO_OK_FOR_BASE_P): Updated for CC registers.
12280         (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, LINK_POINTER_REGNUM,
12281         ARG_POINTER_REGNUM): Updated.
12282         (FUNCTION_ARG_ADVANCE): Define.
12283         (REG_PARM_STACK_SPACE): Update as per the current ABI requirements.
12284         (OUTGOING_REG_PARM_STACK_SPACE): Remove.
12285         (EXTRA_CONSTRAINT): Add new constraint 'W' for 23-bit displacement.
12286         (GO_IF_LEGITIMATE_ADDRESS): Updated.
12287         (SELECT_CC_MODE): Define.
12288         (REGISTER_NAMES): Updated to add psw and fcc registers.
12289         (ADDITIONAL_REGISTER_NAMES): Updated.
12290         (ASM_OUTPUT_ADDR_DIFF_ELT): Updated to support new targets.
12291         (JUMP_TABLES_IN_TEXT_SECTION): Updated.
12292         * config/v850/v850.md (define_constants): Define new constants.
12293         (type): Update store,bit1,macc,div,fpu and single attributes.
12294         (cpu): New attribute.
12295         (cc): Add set_z attribute.
12296         (unsign23byte_load, sign23byte_load, unsign23hword_load,
12297         sign23hword_load, 23word_load, 23byte_store, 23hword_store,
12298         23word_store): New instructions for 23-bit displacement load and store.
12299         (movqi_internal, movhi_internal): Update the attributes.
12300         (movsi, movsi_internal_v850e): Updated to support v850e2 targets.
12301         (movsi_internal_v850e, movsi_internal, movsf_internal): Update
12302         the attributes.
12303         (v850_tst1): Modified using CC_REGNUM.
12304         (tstsi): Remove.
12305         (cmpsi): Modified as define_expand from define_insn.
12306         (cmpsi_insn, cmpsf, cmpdf): New instructions.
12307         (addsi3, subsi3, negsi2, divmodsi4, udivmodsi4, divmodhi4,
12308         udivmodhi4, v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3,
12309         v850_set1_1, v850_set1_3, iorsi3, v850_not1_1, v850_not1_3, xorsi3,
12310         one_cmplsi2): Clobber the CC_REGNUM register.
12311         (v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3, v850_set1_1,
12312         v850_set1_2, v850_set1_3, iorsi3, v850_not1_1, v850_not1_2,
12313         v850_not1_3, xorsi3, one_cmplsi2): Update the attributes accordingly.
12314         (setf_insn, set_z_insn, set_nz_insn): New instructions for
12315         v850e2v3 target.
12316         (movsicc_normal_cc, movsicc_reversed_cc): New instructions.
12317         (movsicc, movsicc_normal, movsicc_reversed): Add support for V850E2
12318         targets.
12319         (sasf_1, sasf_2): Remove.
12320         (sasf): New instruction.
12321         (rotlhi3, rotlhi3_8, rotlsi3, rotlsi3_16): Update to support V850E2
12322         targets. CC_REGNUM register is clobbered and attributes are
12323         updated.
12324         (branch_z_normal, branch_z_invert, branch_nz_normal,
12325         branch_nz_invert): New branch related instructions.
12326         (jump): Updated the attributes.
12327         (switch): Update to support new targets. CC_REGNUM register is
12328         clobbered and attributes are updated.
12329         (call_internal_short, call_internal_long, call_value_internal_short,
12330         call_value_internal_long): Updated the attributes.
12331         (zero_extendhisi2, zero_extendqisi2): CC_REGNUM register is
12332         clobbered and attributes are updated.
12333         (extendhisi_insn, extendhisi2, extendqisi_insn, extendqisi2):
12334         Update to support new targets. CC_REGNUM register is clobbered.
12335         (ashlsi3_v850e2, lshrsi3_v850e2, ashrsi3_v850e2): New shift
12336         instructions.
12337         (lshrsi3, ashrsi3): CC_REGNUM register is clobbered and attributes
12338         are updated.
12339         (ffssi2, addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, divsf3,
12340         divdf3, minsf3, mindf3, maxsf3, maxdf3, abssf2, absdf2, negsf2,
12341         negdf2, sqrtsf2, sqrtdf2, truncsfsi2, truncdfsi2, floatsisf2,
12342         floatsidf2, extendsfdf2, extenddfsf2, recipsf2, recipdf2,
12343         rsqrtsf2, rsqrtdf2, maddsf4, msubsf4, nmaddsf4, nmsubsf4,
12344         cmpsf_le_insn, cmpsf_lt_insn, cmpsf_ge_insn, cmpsf_gt_insn,
12345         cmpsf_eq_insn, cmpsf_ne_insn, cmpdf_le_insn, cmpdf_lt_insn,
12346         cmpdf_ge_insn, cmpdf_gt_insn, cmpdf_eq_insn, cmpdf_ne_insn, trfsr,
12347         movsfcc, movdfcc, movsfcc_z_insn, movsfcc_nz_insn, movdfcc_z_insn,
12348         movdfcc_nz_insn, movedfcc_z_zero, movedfcc_nz_zero): New floating
12349         point instructions defined for V850e2v3 target.
12350         (callt_save_interrupt, callt_return_interrupt, return_interrupt):
12351         Add support for V850E2 targets and CC_REGNUM register is clobbered.
12352         (callt_save_all_interrupt, callt_restore_all_interrupt): Add
12353         support for new targets.
12354         * config/v850/v850-modes.def: New file.
12355         * config/v850/v850.opt(mstrict-align): Remove.
12356         (mno-strict-align, mjump-tables-in-data-section, mv850e2,
12357         mv850e2v3): New command line options for V850.
12358         * config.gcc: Update the newly added files.
12359         * doc/invoke.texi: Update the newly added command line options for
12360         V850 target.
12361
12362 2010-07-26  Richard Guenther  <rguenther@suse.de>
12363
12364         PR tree-optimization/45052
12365         * ipa-pure-const.c (check_stmt): Check volatileness.
12366
12367 2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>
12368
12369         PR target/44707
12370         * config/sparc/sparc-protos.h (sparc_legitimize_reload_address): New.
12371         * config/sparc/sparc.c: Include reload.h.
12372         (legitimize_tls_address): Rename into...
12373         (sparc_legitimize_tls_address): ...this.
12374         (legitimize_pic_address): Rename into...
12375         (sparc_legitimize_pic_address): ...this.
12376         (sparc_expand_move): Adjust to above renaming.
12377         (sparc_tls_referenced_p): Likewise.
12378         (sparc_legitimize_tls_address): Likewise.
12379         (sparc_legitimize_pic_address): Likewise.
12380         (sparc_legitimize_address): Likewise.
12381         (sparc_output_mi_thunk): Likewise.
12382         (sparc_legitimize_reload_address): New global function.  Recognize
12383         (lo_sum (high ...) ...) patterns generated by earlier passes.
12384         * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Use above function.
12385
12386 2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>
12387
12388         PR target/44484
12389         * config/sparc/predicates.md (memory_reg_operand): Delete.
12390         * config/sparc/sync.md (sync_compare_and_swap): Minor tweaks.
12391         (*sync_compare_and_swap): Encode the address form in the pattern.
12392         (*sync_compare_and_swapdi_v8plus): Likewise.
12393
12394 2010-07-24  Gerald Pfeifer  <gerald@pfeifer.com>
12395
12396         * doc/install.texi (Specific, *-*-freebsd*): Adjust to recent changes.
12397         Streamline paragraph on compatibility with the system compiler.
12398
12399 2010-07-24  Steven Bosscher  <steven@gcc.gnu.org>
12400
12401         PR middle-end/45035
12402         * alias.c (true_dependence_1): Fix thinko in merge of old
12403         true_dependence and canon_true_dependence.
12404
12405 2010-07-23  Jan Hubicka  <jh@suse.cz>
12406
12407         * lto-streamer-out.c (write_symbol): Fix visibilities of external
12408         references.
12409
12410 2010-07-23  Le-Chun Wu  <lcwu@google.com>
12411
12412         * omega.c (omega_eliminate_redundant): Remove a self-assign statement.
12413         * tree-ssa-ccp.c (ccp_lattice_meet): Remove a self-assign statement
12414         and an unnecessary assignment.
12415         * dbxout.c (DEBUGGER_ARG_OFFSET): Change OFFSET to OFFSET+0 to avoid
12416         self-assign warning.
12417         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Remove
12418         unnecessary self-init.
12419
12420 2010-07-23  Richard Guenther  <rguenther@suse.de>
12421
12422         PR lto/43071
12423         * gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
12424         for -flto and -fwhopr.
12425
12426 2010-07-23  Kai Tietz  <kai.tietz@onevision.com>
12427
12428         PR target/41943
12429         * Makefile.in (USER_H_INC_NEXT_PRE, USER_H_INC_NEXT_POST): New.
12430         (stmp-int-hdrs): Prefix/postfix headers by include_next.
12431         * config.gcc (user_headers_inc_next_pre): New.
12432         (user_headers_inc_next_post): Likewise.
12433         (*-w64-mingw*): Use for float.h post-fixing, and for
12434         stddef.h/stdarg.h pre-fixing by include_next.
12435         * configure.ac (user_headers_inc_next_post): New.
12436         (user_headers_inc_next_pre): New.
12437         * configure: Regenerated.
12438
12439 2010-07-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12440
12441         * configure.ac: Don't disable TLS on Solaris 8/9 by default
12442         Set tga_func for Solaris 2/x86 resp. SPARC.
12443         Remove duplicate parts of sparc*-sun-solaris2.* TLS check.
12444         (LIB_THREAD_LDFLAGS_SPEC): Define.
12445         (LIB_TLS_SPEC): Define.  Check for required Sun ld version.
12446         * configure: Regenerate.
12447         * config.in: Regenerate.
12448         * config/sol2.h (LIB_SPEC): Use LIB_THREAD_LDFLAGS_SPEC with
12449         -pthread, -threads, LIB_TLS_SPEC with -pthread.
12450         * doc/install.texi (Specific, *-*-solaris2*): Document use of
12451         alternate thread libraries on Solaris 8.
12452         Document TLS patch requirements.
12453         * doc/sourcebuild.texi (Add Options): Sort alphabetically.
12454         Document tls.
12455
12456         PR target/18788
12457         * config/sol2.h (LIB_SPEC): Link with thread libraries even with
12458         -shared.
12459
12460 2010-07-23  Jakub Jelinek  <jakub@redhat.com>
12461
12462         * tree.h (struct tree_base): Add nameless_flag bitfield.
12463         (TYPE_NAMELESS, DECL_NAMELESS): Define.
12464         * omp-low.c (create_omp_child_function, scan_omp_parallel,
12465         scan_omp_task, lower_omp_taskreg): Set DECL_NAMELESS and/or
12466         DECL_ARTIFICIAL where needed.
12467         * dwarf2out.c (dwarf2_name): Return NULL if DECL_NAMELESS.
12468         (type_tag): Return NULL if TYPE_NAMELESS or if TYPE_DECL
12469         has DECL_NAMELESS set.
12470
12471 2010-07-23  Martin Jambor  <mjambor@suse.cz>
12472
12473         PR tree-optimization/44915
12474         * ipa-cp.c (cgraph_gate_cp): Also check that optimize is true.
12475         * ipa-inline.c (cgraph_mark_inline_edge): Likewise.
12476         (analyze_function): Likewise.
12477
12478 2010-07-23  Martin Jambor  <mjambor@suse.cz>
12479
12480         PR tree-optimization/44914
12481         * tree-sra.c (sra_modify_function_body): Return true if CFG was
12482         changed, add purging dead eh edges.
12483         (ipa_sra_modify_function_body): Return true if CFG was changed,
12484         simplify purging dead eh edges.
12485         (modify_function): Return true if CFG was changed.
12486         (perform_intra_sra): Add TODO_cleanup_cfg to the return value if CFG
12487         was changed.
12488         (ipa_early_sra): Likewise.
12489
12490 2010-07-23  Jie Zhang  <jie@codesourcery.com>
12491
12492         PR target/44290
12493         * attribs.c (decl_attributes): Insert "noinline" and "noclone"
12494         if "naked".
12495         * tree-sra.c (ipa_sra_preliminary_function_checks): Return
12496         false if ! tree_versionable_function_p.
12497
12498 2010-07-23  Nathan Froyd  <froydnj@codesourcery.com>
12499
12500         * builtins.def (BUILT_IN_ARGS_INFO): Remove.
12501         * ipa-pure-const.c (special_builtlin_state): Remove
12502         BUILT_IN_ARGS_INFO case.
12503         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
12504         * builtins.c (expand_builtin): Likewise.
12505         (expand_builtin_args_info): Remove.
12506         * doc/tm.texi (__builtin_args_info): Remove.
12507         (__builtin_next_arg): Adjust to not refer to __builtin_args_info.
12508         * doc/tm.text.in: Likewise.
12509
12510 2010-07-23  Richard Guenther  <rguenther@suse.de>
12511
12512         * lto-symtab.c (lto_symtab_merge): Use gtc_mode enum values.
12513         (lto_symtab_merge_decls_2): Likewise.
12514         * tree-ssa.c (useless_type_conversion_p): Likewise.
12515         * lto-streamer-in.c (input_gimple_stmt): Likewise.
12516         * gimple.c (gtc_visited2, gtc_ob2): Remove.
12517         (struct type_pair_d): Make same_p an array indexed by mode.
12518         Update comment.
12519         (lookup_type_pair): Update initialization.
12520         (struct sccs): Adjust same_p type.
12521         (gimple_types_compatible_p_1, gtc_visit, gimple_types_compatible_p):
12522         Adjust.
12523         (print_gimple_types_stats): Likewise.
12524         * gimple.h (enum gtc_mode): New.
12525         (gimple_types_compatible_p): Adjust prototype.
12526
12527 2010-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
12528
12529         * dwarf2out.c (dwarf2out_frame_debug): Check for queued saves
12530         again after processing insn.
12531
12532 2010-07-23  Jie Zhang  <jie@codesourcery.com>
12533
12534         * tree-sra.c (ipa_sra_preliminary_function_checks): Dump
12535         proper words when !tree_versionable_function_p.
12536
12537 2010-07-23  Richard Guenther  <rguenther@suse.de>
12538
12539         PR tree-optimization/45037
12540         * tree-ssa-loop-ivopts.c (copy_ref_info): Handle NULL base.
12541
12542 2010-07-23  Jie Zhang  <jie@codesourcery.com>
12543
12544         * doc/extend.texi: Remove IP2K from the description of naked attribute.
12545         Add MCORE instead.
12546
12547 2010-07-10  Andi Kleen  <ak@linux.intel.com>
12548
12549         PR lto/44992
12550         * lto-opts.c (lto_write_options): Add NULL file_data argument to
12551         lto_get_section_name.
12552         * lto-section-out.c (lto_destroy_simple_output_block): Likewise.
12553         * lto-streamer-out.c (produce_asm): Likewise.
12554         (copy_function): Likewise.
12555         (produce_symtab): Likewise.
12556         (produce_asm_for_decls): Likewise.
12557         * lto-streamer.c (lto_get_section_name): Add file_data argument.
12558         Rewrite to add random postfix to LTO sections.
12559         * lto-streamer.h (lto_file_decl_data): Add next, id, resolutions.
12560         (lto_get_section_name): Add file_data argument to prototype.
12561
12562 2010-07-10  Andi Kleen  <ak@linux.intel.com>
12563
12564         * lto-section-in.c (lto_section_name): Synchronize names
12565         with lto_get_section_name.
12566
12567 2010-07-10  Andi Kleen  <ak@linux.intel.com>
12568
12569         * lto-opts.c (lto_read_file_options): Check for missing section.
12570
12571 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
12572
12573         * ira.c (check_allocation): Correctly handle the case where an allocno
12574         with two objects was allocated to a single reg.
12575
12576 2010-07-22  Richard Sandiford  <rdsandiford@googlemail.com>
12577
12578         * tree-ssa-math-opts.c (is_widening_mult_rhs_p): New function.
12579         (is_widening_mult_p): Likewise.
12580         (convert_to_widen): Use them.
12581         (convert_plusminus_to_widen): Likewise.  Handle fixed-point types as
12582         well as integer ones.
12583
12584 2010-07-22  Steven Bosscher  <steven@gcc.gnu.org>
12585
12586         * alias.c (true_dependence_1): New function, merged version of
12587         true_dependence and canon_true_dependence.
12588         (true_dependence): Simplify.
12589         (canon_true_dependence): Simplify.
12590
12591 2010-07-22  Richard Henderson  <rth@redhat.com>
12592
12593         PR target/45027
12594         * config/i386/i386.c (setup_incoming_varargs_64): Force the use
12595         of V4SFmode for the SSE saves; increase stack alignment if needed.
12596         (ix86_gimplify_va_arg): Don't increase stack alignment here.
12597
12598 2010-07-22  Jakub Jelinek  <jakub@redhat.com>
12599
12600         PR bootstrap/45028
12601         * recgprop.c (copyprop_hardreg_forward_1): If changed is true,
12602         call cprop_find_used_regs again via note_uses.
12603
12604 2010-07-22  Eric Botcazou  <ebotcazou@adacore.com>
12605
12606         * alias.c (get_alias_set): Fix formatting issues.
12607
12608 2010-07-22  Steve Ellcey  <sje@cup.hp.com>
12609
12610         PR middle-end/44878
12611         * stmt.c (expand_value_return):  Call promote_function_mode with
12612         a for_return argument of 2 when returning by reference.
12613
12614 2010-07-22  Dodji Seketeli  <dodji@redhat.com>
12615
12616         PR debug/45024
12617         * dwarf2out.c (scope_die_for): Don't fall back to the compilation
12618         unit DIE if we can find the scope DIE.
12619
12620 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
12621
12622         * ira-build.c (ira_create_object): New arg SUBWORD; all callers
12623         changed.  Initialize OBJECT_SUBWORD.
12624         (ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS.
12625         (ira_create_allocno_objects): Renamed from ira_create_allocno_object;
12626         all callers changed.
12627         (merge_hard_reg_conflicts): Iterate over allocno subobjects.
12628         (finish_allocno): Likewise.
12629         (move_allocno_live_ranges, copy_allocno_live_ranges): Likewise.
12630         (remove_low_level_allocnos): Likewise.
12631         (update_bad_spill_attribute): Likewise.
12632         (setup_min_max_allocno_live_range_point): Likewise.
12633         (sort_conflict_id_map): Likewise.
12634         (ira_flattening): Likewise.  Use ior_hard_reg_conflicts.
12635         (ior_hard_reg_conflicts): New function.
12636         (ior_allocate_object_conflicts): Renamed first argument to OBJ.
12637         (compress_conflict_vecs): Iterate over objects, not allocnos.
12638         (ira_add_live_range_to_object): New function.
12639         (object_range_compare_func): Renamed from allocno_range_compare_func.
12640         All callers changed.
12641         (setup_min_max_conflict_allocno_ids): For allocnos with multiple
12642         subobjects, widen the min/max range of the lowest-order object to
12643         potentially include all other such low-order objects.
12644         * ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects.
12645         (check_allocation): Likewise.  Use more fine-grained tests for register
12646         conflicts.
12647         * ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over
12648         allocno subobjects.
12649         (assign_hard_reg): Keep multiple sets of conflicts.  Make finer-grained
12650         choices about which bits to set in each set.  Don't use
12651         ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts
12652         using the multiple sets we computed.
12653         (push_allocno_to_stack): Iterate over allocno subobjects.
12654         (all_conflicting_hard_regs_coalesced): New static function.
12655         (setup_allocno_available_regs_num): Use it.
12656         (setup_allocno_left_conflicts_size): Likewise.  Iterate over allocno
12657         subobjects.
12658         (coalesced_allocno_conflict): Test subobject 0 in each allocno.
12659         (setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
12660         by ALLOCNO_NUM_OBJECTS.
12661         (calculate_spill_cost): Likewise.
12662         (color_pass): Express if statement in a more normal way.
12663         (ira_reassign_conflict_allocnos): Iterate over allocno subobjects.
12664         (slot_coalesced_allocno_live_ranges_intersect_p): Likewise.
12665         (setup_slot_coalesced_allocno_live_ranges): Likewise.
12666         (allocno_reload_assign): Likewise.
12667         (ira_reassign_pseudos): Likewise.
12668         (fast_allocation): Likewise.
12669         * ira-conflicts.c (build_conflict_bit_table): Likewise.
12670         (print_allocno_conflicts): Likewise.
12671         (ira_build_conflicts): Likewise.
12672         (allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p.  All
12673         callers changed.  Test subword 0 of each allocno for conflicts.
12674         (build_object_conflicts): Renamed from build_allocno_conflicts.  All
12675         callers changed.  Iterate over allocno subobjects.
12676         * ira-emit.c (modify_move_list): Iterate over allocno subobjects.
12677         * ira-int.h (struct ira_allocno): New member: num_objects.
12678         Rename object to objects and change it into an array.
12679         (ALLOCNO_OBJECT): Add new argument N.
12680         (ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros.
12681         (ira_create_allocno_objects): Renamed from ira_create_allocno_object.
12682         (ior_hard_reg_conflicts): Declare.
12683         (ira_add_live_range_to_object): Declare.
12684         (ira_allocno_object_iterator): New.
12685         (ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New.
12686         (FOR_EACH_ALLOCNO_OBJECT): New macro.
12687         * ira-lives.c (objects_live): Renamed from allocnos_live; all
12688         uses changed.
12689         (allocnos_processed): New sparseset.
12690         (make_object_born): Renamed from make_allocno_born; take an
12691         ira_object_t argument.  All callers changed.
12692         (make_object_dead): Renamed from make_allocno_dead; take an
12693         ira_object_t argument.  All callers changed.
12694         (update_allocno_pressure_excess_length): Take an ira_obejct_t argument.
12695         All callers changed.
12696         (mark_pseudo_regno_live): Iterate over allocno subobjects.
12697         (mark_pseudo_regno_dead): Likewise.
12698         (mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New
12699         functions.
12700         (mark_ref_live): Detect subword accesses and call
12701         mark_pseudo_regno_subword_live as appropriate.
12702         (mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead.
12703         (process_bb_nodes_live): Deal with object-related updates first; set
12704         and test bits in allocnos_processed to avoid computing allocno
12705         statistics more than once.
12706         (create_start_finish_chains): Iterate over objects, not allocnos.
12707         (print_object_live_ranges): New function.
12708         (print_allocno_live_ranges): Use it.
12709         (ira_create_allocno_live_ranges): Allocate and free allocnos_processed
12710         and objects_live.
12711
12712 2010-07-22  Richard Guenther  <rguenther@suse.de>
12713
12714         PR lto/42451
12715         * gimple.c (gtc_next_dfs_num): New global.
12716         (struct sccs): Make value a union, add integer same_p member.
12717         (gtc_visit): New function.
12718         (gimple_types_compatible_p_1): New function, split out from ...
12719         (gimple_types_compatible_p): ... here.  Start a DFS walk here.
12720         (iterative_hash_gimple_type): Adjust for sccs change.
12721
12722 2010-07-22  Martin Jambor  <mjambor@suse.cz>
12723
12724         PR tree-optimization/44891
12725         * tree-sra.c: Include gimple-pretty-print.h.
12726         (replace_uses_with_default_def_ssa_name): Renamed to
12727         get_repl_default_def_ssa_name, return the new SSA name instead of
12728         replacing the old one.
12729         (sra_modify_assign): Dump a message when removing a load, if the LHS
12730         is an SSA_NAME, do not do any propagation, just set the RHS to a
12731         default definition SSA NAME, type convert if necessary.
12732         * Makefile.in (tree-sra.o): Add gimple-pretty-print.h to dependencies.
12733
12734 2010-07-22  Richard Guenther  <rguenther@suse.de>
12735
12736         PR tree-optimization/45017
12737         * tree-ssa-sccvn.c (vn_reference_eq): Make sure we honor
12738         TYPE_PRECISION of integral types in addition to size.
12739
12740 2010-07-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
12741
12742         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Default to GLIBC
12743         when no C library is specified.
12744
12745 2010-07-22  Martin Jambor  <mjambor@suse.cz>
12746
12747         * ipa-prop.h (struct ipa_node_params): Updated comment.
12748         (struct ipa_edge_args): Likewise.
12749         * Makefile.in (ipa-prop.o): Remove bogus $(GIMPLE_FOLD_H) dependency.
12750
12751 2010-07-22  Martin Jambor  <mjambor@suse.cz>
12752
12753         * cgraphunit.c (verify_edge_count_and_frequency): New function.
12754         (verify_cgraph_node): Verify frequencies of indirect edges.
12755         * tree-inline.c (tree_function_versioning): Update frequencies of
12756         indirect edges.
12757
12758 2010-07-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12759
12760         PR target/43698
12761         * config/arm/arm.md: Split arm_rev into *arm_rev and *thumb1_rev.
12762         Set *arm_rev to be predicable.
12763
12764 2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>
12765
12766         * config/darwin.h (LINK_COMMAND_SPEC): Split into...
12767         (LINK_COMMAND_SPEC_A): New.
12768         (DSYMUTIL): New.
12769         (DSYMUTIL_SPEC): New.
12770         * config/darwin9.h (LINK_COMMAND_SPEC): Remove.
12771         (DSYMUTIL_SPEC): Update for darwin >= 9 requirements.
12772
12773 2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>
12774
12775         * calls.c (load_register_parameters): Move check for zero
12776         sized items so that only the call to
12777         mem_overlaps_already_clobbered_arg_p () is protected.
12778
12779 2010-07-22  Jan Hubicka  <jh@suse.cz>
12780
12781         * ipa-pure-const.c (varying_state): Break out from ...
12782         (get_function_state): ... here; always return varying_state
12783         when state would be NULL otherwise.
12784         (remove_node_data): Do not free varying state.
12785
12786 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
12787
12788         PR bootstrap/44970
12789         PR middle-end/45009
12790         * postreload.c: Include "target.h".
12791         (reload_combine_closest_single_use): Don't take DEBUG_INSNs
12792         into account.
12793         (fixup_debug_insns): Don't copy the rtx.
12794         (reload_combine_recognize_const_pattern): DEBUG_INSNs can't have uses.
12795         Don't copy when replacing.  Call fixup_debug_insns in the case where
12796         we merged one add with another.
12797         (reload_combine_recognize_pattern): Fail if there aren't any uses.
12798         Try harder to determine whether we're picking a valid index register.
12799         Don't set store_ruid for an insn we're going to scan in the
12800         next iteration.
12801         (reload_combine): Remove unused code.
12802         (reload_combine_note_use): When updating use information for
12803         an old insn, ignore a use that occurs after store_ruid.
12804         * Makefile.in (postreload.o): Update dependencies.
12805
12806         * function.c (record_hard_reg_sets): Restrict the previous change
12807         to cases where the incoming nominal mode is the same as the
12808         incoming promoted mode and everything happens in MODE_INT.
12809
12810 2010-07-21  Jakub Jelinek  <jakub@redhat.com>
12811
12812         PR debug/45015
12813         * var-tracking.c (adjust_mems): Ignore ASM_OPERANDS with non-zero
12814         ASM_OPERANDS_OUTPUT_IDX.
12815         (adjust_insn): For inline asm with multiple sets ensure first
12816         ASM_OPERANDS vectors are used by all following ASM_OPERANDS in
12817         the insn.
12818
12819 2010-07-21  Richard Henderson  <rth@redhat.com>
12820
12821         * config/i386/i386.c (setup_incoming_varargs_64): Emit a simple
12822         comparison for avoiding xmm register saves.  Emit the xmm register
12823         saves explicitly.
12824         * config/i386/i386.md (UNSPEC_SSE_PROLOGUE_SAVE): Remove.
12825         (UNSPEC_SSE_PROLOGUE_SAVE_LOW): Remove.
12826         (sse_prologue_save, sse_prologue_save_insn1, sse_prologue_save_insn):
12827         Remove patterns and the associated splitters.
12828
12829 2010-07-21  Changpeng Fang  <changpeng.fang@amd.com>
12830
12831         * tree-ssa-loop-prefetch.c (analyze_ref): Strip off the real
12832         and imagine parts of a complex, so that they can have the same
12833         base and fall into the same group.
12834
12835 2010-07-21  Richard Guenther  <rguenther@suse.de>
12836
12837         PR lto/45018
12838         * tree.c (find_decls_types_r): Do not follow TREE_CHAIN
12839         of TYPE_DECLs.  Do not follow TYPE_NEXT_VARIANT,
12840         TYPE_NEXT_PTR_TO, nor TYPE_NEXT_REF_TO or TYPE_CANONICAL.
12841
12842 2010-07-21  Martin Jambor  <mjambor@suse.cz>
12843
12844         PR tree-optimization/44900
12845         * tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
12846         (sra_modify_assign): Move gsi to the next statmenent unconditionally.
12847
12848 2010-07-21  Bernd Schmidt  <bernds@codesourcery.com>
12849
12850         PR middle-end/44738
12851         * tree-ssa.c (warn_uninit): Avoid emitting an unnecessary message.
12852
12853 2010-07-21  Richard Guenther  <rguenther@suse.de>
12854
12855         PR middle-end/45013
12856         * tree-ssa.c (useless_type_conversion_p): Dispatch to
12857         gimple_types_compatible_p only when in lto.
12858         * gimple.c (gimple_types_compatible_p): Use canonical types
12859         to speed up comparison.
12860
12861 2010-07-21  Richard Guenther  <rguenther@suse.de>
12862
12863         * tree-flow.h (referenced_var): Move define ...
12864         * tree-flow-inline.h (referenced_var): ... here as an inline
12865         function.  Assert here ...
12866         * tree-dfa.c (referenced_var_lookup): ... instead of here.
12867         * tree-ssa.c (maybe_optimize_var): Check if the variable
12868         is in referenced vars.
12869         (execute_update_addresses_taken): Remove old broken check.
12870         * gimple-pretty-print.c (pp_points_to_solution): Use
12871         referenced_var_lookup.
12872         * tree-into-ssa.c (dump_decl_set): Likewise.
12873
12874 2010-07-21  Jakub Jelinek  <jakub@redhat.com>
12875
12876         PR debug/45003
12877         * var-tracking.c (reverse_op): Also handle {SIGN,ZERO}_EXTEND of a MEM.
12878         * dwarf2out.c (loc_descriptor): Don't handle SIGN_EXTEND nor
12879         ZERO_EXTEND here.
12880
12881 2010-07-20  Richard Henderson  <rth@redhat.com>
12882
12883         * vxworks.c (vxworks_emutls_var_fields): Pass locus to build_decls.
12884
12885 2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>
12886
12887         * config/arm/arm.md (thumb1_addsi3): Add alternative and split for
12888         computing the sum of the stack pointer and a large constant.
12889         * config/arm/constraints.md (M): Remove superfluous parentheses.
12890         (Pc): New constraint.
12891
12892 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
12893
12894         PR debug/45006
12895         * cfgexpand.c (expand_debug_expr): Only look at TYPE_UNSIGNED of
12896         operand's type if exp is tcc_unary class tree.
12897
12898 2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>
12899
12900         * config/rs6000/rs6000.md (abs<mode>2_isel, nabs<mode>2_isel):
12901         Reverse sense of if_then_else condition.
12902
12903 2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>
12904
12905         * config/rs6000/rs6000.opt (mblock-move-inline-limit): New option.
12906         * config/rs6000/rs6000.c (rs6000_override_options): Set
12907         rs6000_block_move_inline_limit appropriately.
12908         (expand_block_move): Use rs6000_block_move_inline_limit.
12909         * doc/invoke.texi (mblock-move-inline-limit): Document.
12910
12911 2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>
12912
12913         * postreload.c (fixup_debug_insns): Remove arg REGNO.  New args
12914         FROM and TO.  All callers changed.  Don't look for tracked uses,
12915         just scan the RTL for DEBUG_INSNs and substitute.
12916         (reload_combine_recognize_pattern): Call fixup_debug_insns.
12917         (reload_combine): Ignore DEBUG_INSNs.
12918
12919 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
12920
12921         * var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
12922         depth to 8 from 5.
12923
12924         PR debug/45003
12925         * cfgexpand.c (expand_debug_expr) <case NOP_EXPR>: Use ZERO_EXTEND
12926         or SIGN_EXTEND depending on TYPE_UNSIGNED of the operand's type
12927         instead of the result's type.
12928
12929 2010-07-20  Richard Guenther  <rguenther@suse.de>
12930
12931         PR tree-optimization/44977
12932         * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not create invalid
12933         SSA form.
12934
12935 2010-07-20  Richard Guenther  <rguenther@suse.de>
12936
12937         * lto-symtab.c (lto_symtab_merge): Use gimple_types_compatible_p.
12938         (lto_symtab_merge_decls_2): Likewise.
12939         * gimple.h (gimple_types_compatible_p): Declare.
12940         * gimple.c (gimple_queue_type_fixup): Remove.
12941         (gimple_fixup_complete_and_incomplete_subtype_p): Likewise.
12942         (gimple_compatible_complete_and_incomplete_type_p): New function.
12943         (gimple_types_compatible_p): Adjust.
12944         (gimple_register_type): Remove type fixup code.
12945         (print_gimple_types_stats): Adjust.
12946         (free_gimple_type_tables): Likewise.
12947         * lto-streamer-in.c (input_gimple_stmt): Use gimple_types_compatible_p.
12948         * tree-ssa.c (useless_type_conversion_p): Likewise.
12949
12950 2010-07-20  Richard Guenther  <rguenther@suse.de>
12951
12952         PR middle-end/44971
12953         PR middle-end/44988
12954         * tree-ssa.c (maybe_optimize_var): New function split out from ...
12955         (execute_update_addresses_taken): ... here.
12956         (non_rewritable_mem_ref_base): Likewise.
12957         (execute_update_addresses_taken): Do not iterate over all referenced
12958         vars but just all local decls and parms.
12959         Properly check call and asm arguments and rewrite call arguments.
12960
12961 2010-07-20  Maxim Kuvyrkov  <maxim@codesourcery.com>
12962
12963         * config.gcc (LIBC_GLIBC, LIBC_UCLIBC, LIBC_BIONIC): Move constants
12964         to top level.
12965         * config/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Move Android-specific
12966         definitions ...
12967         * config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): ... here.
12968         New macro.
12969         * config/arm/linux-eabi.h (TARGET_OS_CPP_BUILTINS): Use it.
12970
12971 2010-07-19  Richard Sandiford  <rdsandiford@googlemail.com>
12972
12973         * gengtype.c (start_root_entry): New function, split out from
12974         write_root.  Check whether V is null and raise an error if so.
12975         (write_field_root): Check for V being null.  Don't raise an error here;
12976         set V to null instead.
12977         (write_root): Update comment above function.  Use start_root_entry.
12978
12979 2010-07-19  Xinliang David Li  <davidxl@google.com>
12980
12981         PR testsuite/44932
12982         * tree-ssa-uninit.c (collect_phi_def_edges): Fix bug collecting
12983         def edges.
12984         (find_uninit_use): Add dump.
12985         (is_use_properly_guarded): Ditto.
12986         (warn_uninitialized_phi): Ditto.
12987         (execute_late_warn_uninitialized): Ditto.
12988
12989 2010-07-19  Richard Guenther  <rguenther@suse.de>
12990
12991         PR middle-end/44941
12992         * expr.c (emit_block_move_hints): Move zero size check first.
12993         Move asserts to more useful places.
12994         * calls.c (load_register_parameters): Check for zero size.
12995
12996 2010-07-19  Richard Henderson  <rth@redhat.com>
12997
12998         * tree-optimize.c (execute_all_early_local_passes): New.  Change
12999         cgraph_state here ...
13000         (execute_early_local_optimizations): ... not here.  Remove.
13001         (pass_early_local_passes, pass_all_early_optimizations): Update.
13002
13003 2010-07-19  Bernd Schmidt  <bernds@codesourcery.com>
13004
13005         * postreload.c (reload_combine_closest_single_use): Ignore the
13006         number of uses for DEBUG_INSNs.
13007         (fixup_debug_insns): New static function.
13008         (reload_combine_recognize_const_pattern): Use it.  Don't let the
13009         main loop be affected by DEBUG_INSNs.
13010         Really disallow moving adds past a jump insn.
13011         (reload_combine_recognize_pattern): Don't update use_ruid here.
13012         (reload_combine_note_use): Do it here.
13013         (reload_combine): Use control_flow_insn_p rather than JUMP_P.
13014
13015 2010-07-19  Bingfeng Mei  <bmei@broadcom.com>
13016
13017         * ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
13018         of a loop.
13019         * loop-doloop.c (doloop_condition_get): Skip possible debug_insn.
13020
13021 2010-07-19  Iain Sandoe  <iains@gcc.gnu.org>
13022
13023         * config/i386/darwin.h: Define darwin_emit_branch_islands.
13024         (TARGET_MACHO_BRANCH_ISLANDS): New.
13025         (FUNCTION_PROFILER): Use TARGET_MACHO_BRANCH_ISLANDS.
13026         * config/i386/i386.h (TARGET_MACHO_BRANCH_ISLANDS): Define a
13027         default value.
13028         * config/i386/i386.c (output_pic_addr_const): Do not emit
13029         branch islands unless TARGET_MACHO_BRANCH_ISLANDS is set.
13030         (x86_output_mi_thunk): Adjust symbol creation.
13031         * config/rs6000/darwin.h: Define darwin_emit_branch_islands.
13032         Remove out of date comment.
13033         * config/rs6000/rs6000.c (print_operand): Adjust symbol.
13034         (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
13035         (DARWIN_GENERATE_ISLANDS): Ditto.
13036         (output_call):  Do not emit branch islands unless
13037         darwin_emit_branch_islands is set.
13038         * config/darwin.c: Declare darwin_emit_branch_islands.
13039         (machopic_indirect_data_reference): Do not emit unless
13040         darwin_emit_branch_islands is set.
13041         (darwin_override_options): Set darwin_emit_branch_islands
13042         where it is needed.
13043         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
13044
13045 2010-07-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13046
13047         * doc/sourcebuild.texi (Effective-Target Keywords): Document
13048         sse_runtime, sse2_runtime.
13049
13050 2010-07-18  Richard Sandiford  <rdsandiford@googlemail.com>
13051
13052         * config/mips/mips.c (mips16_build_call_stub): Zero-extend the
13053         low half of a single-register SCmode return value before ORing
13054         it with the high half.
13055         * config/mips/mips16.S (MERGE_GPRf): Likewise.
13056
13057 2010-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13058
13059         PR target/44805
13060         * config/pa/pa.h (CONSTANT_ALIGNMENT): Align strings to BITS_PER_WORD
13061         on all targets.
13062
13063 2010-07-17  Bernd Schmidt  <bernds@codesourcery.com>
13064
13065         PR target/42235
13066         * postreload.c (reload_cse_move2add): Return bool, true if anything.
13067         changed.  All callers changed.
13068         (move2add_use_add2_insn): Likewise.
13069         (move2add_use_add3_insn): Likewise.
13070         (reload_cse_regs): If reload_cse_move2add changed anything, rerun
13071         reload_combine.
13072         (RELOAD_COMBINE_MAX_USES): Bump to 16.
13073         (last_jump_ruid): New static variable.
13074         (struct reg_use): New members CONTAINING_MEM and RUID.
13075         (reg_state): New members ALL_OFFSETS_MATCH and REAL_STORE_RUID.
13076         (reload_combine_split_one_ruid, reload_combine_split_ruids,
13077         reload_combine_purge_insn_uses, reload_combine_closest_single_use
13078         reload_combine_purge_reg_uses_after_ruid,
13079         reload_combine_recognize_const_pattern): New static functions.
13080         (reload_combine_recognize_pattern): Verify that ALL_OFFSETS_MATCH
13081         is true for our reg and that we have available index regs.
13082         (reload_combine_note_use): New args RUID and CONTAINING_MEM.  All
13083         callers changed.  Use them to initialize fields in struct reg_use.
13084         (reload_combine): Initialize last_jump_ruid.  Be careful when to
13085         take PREV_INSN of the scanned insn.  Update REAL_STORE_RUID fields.
13086         Call reload_combine_recognize_const_pattern.
13087         (reload_combine_note_store): Update REAL_STORE_RUID field.
13088
13089 2010-07-16  Jason Merrill  <jason@redhat.com>
13090
13091         * Makefile.in (opts-common.o): Depend on options.h.
13092
13093 2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>
13094
13095         * tree.c (build_common_builtin_nodes): Use build_function_type_list
13096         instead of build_function_type.
13097         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
13098         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
13099
13100 2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>
13101
13102         * config/rs6000/rs6000.c (rs6000_emit_sISEL): Let rs6000_emit_int_cmove
13103         do all the work.
13104         (rs6000_emit_int_cmove): Use function pointers for insn generation.
13105         Don't force values into registers unnecessarily.
13106         (output_isel): Assert that we're not given conditions we can't handle.
13107         Delete corresponding code.
13108         * config/rs6000/rs6000.md (isel_signed_<mode>): Use
13109         scc_comparison_operator constraint.  Permit 0 for the consequent
13110         operand.  Permit any GPR for the alternative operand.
13111         (isel_unsigned_<mode>): Likewise.
13112
13113 2010-07-16  Jakub Jelinek  <jakub@redhat.com>
13114
13115         PR target/44942
13116         * config/i386/i386-protos.h (ix86_function_arg_boundary): Change second
13117         argument to const_tree.
13118         * config/i386/i386.c (function_arg_advance): If padding needs to be
13119         inserted before argument, increment cum->words by number of padding
13120         words as well.
13121         (contains_aligned_value_p): Change argument to const_tree.
13122         (ix86_function_arg_boundary): Change second argument to const_tree.
13123
13124 2010-07-16  Bernd Schmidt  <bernds@codesourcery.com>
13125
13126         PR target/42235
13127         * function.c (record_hard_reg_sets): New static function.
13128         (assign_parm_setup_reg): If an optab for extending exists and the
13129         generated code clobbbers no hard regs, emit the insn directly and
13130         create a REG_EQUIV note.
13131
13132 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
13133
13134         * c-decl.c (detect_field_duplicates): Use DECL_CHAIN insted of
13135         TREE_CHAIN.
13136         * c-typeck.c (push_init_level): Likewise.
13137         (process_init_element): Likewise.
13138
13139 2010-07-15  Anatoly Sokolov  <aesok@post.ru>
13140
13141         * tree.h (enum tree_index): Add TI_INTEGER_THREE.
13142         (integer_three_node): Add.
13143         * tree.c (build_common_tree_nodes_2): Use integer_type_node insead of
13144         NULL_TREE in build_int_cst calls. Initialize the integer_three_node.
13145         * builtins.c (expand_builtin_prefetch): Use common tree nodes instead
13146         of call build_int_cst.
13147         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ditto.
13148         * tree-ssa-loop-ivopts.c (idx_find_step): Ditto.
13149         (find_interesting_uses_address): Ditto.
13150         * tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Ditto.
13151         * tree-eh.c (lower_eh_constructs_2): Ditto.
13152         * tree-vect-loop.c (get_initial_def_for_induction): Ditto.
13153         * c-typeck.c (really_start_incremental_init, push_init_level): Ditto.
13154         * expmed.c (expand_divmod): Ditto.
13155         * tree-mudflap.c (mx_register_decls): Ditto.
13156         * varasm.c (array_size_for_constructor): Ditto.
13157         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
13158         * c-parser.c (c_parser_postfix_expression): Ditto.
13159
13160 2010-07-15  Bernd Schmidt  <bernds@codesourcery.com>
13161
13162         * postreload.c (last_label_ruid, first_index_reg, last_index_reg):
13163         New static variables.
13164         (reload_combine_recognize_pattern): New static function, broken out
13165         of reload_combine.
13166         (reload_combine): Use it.  Only initialize first_index_reg and
13167         last_index_reg once.
13168
13169 2010-07-15  Richard Henderson  <rth@redhat.com>
13170
13171         * cgraphunit.c (cgraph_build_static_cdtor): Clear current_function_decl
13172         when done.
13173
13174 2010-07-15  Jan Hubicka  <jh@suse.cz>
13175
13176         * lto-symtab.c (lto_symtab_resolve_symbols): Remove hack handling
13177         comdats for broken gold.
13178         (lto_sy mtab_merge_decls_1): Set used_from_object_file correctly.
13179
13180 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
13181
13182         * tree.h (TREE_RTL_OPERAND_CHECK): Delete.
13183
13184 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
13185
13186         * tree.h (DECL_CHAIN): Define.
13187         * alias.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
13188         * c-decl.c: Likewise.
13189         * c-parser.c: Likewise.
13190         * c-typeck.c: Likewise.
13191         * cfgexpand.c: Likewise.
13192         * cgraph.c: Likewise.
13193         * cgraphunit.c: Likewise.
13194         * combine.c: Likewise.
13195         * config/alpha/alpha.c: Likewise.
13196         * config/arm/arm.c: Likewise.
13197         * config/frv/frv.c: Likewise.
13198         * config/i386/i386.c: Likewise.
13199         * config/i386/winnt-cxx.c: Likewise.
13200         * config/ia64/ia64.c: Likewise.
13201         * config/iq2000/iq2000.c: Likewise.
13202         * config/mep/mep.c: Likewise.
13203         * config/mips/mips.c: Likewise.
13204         * config/pa/som.h: Likewise.
13205         * config/rs6000/rs6000.c: Likewise.
13206         * config/s390/s390.c: Likewise.
13207         * config/sh/sh.c: Likewise.
13208         * config/sh/symbian-cxx.c: Likewise.
13209         * config/sparc/sparc.c: Likewise.
13210         * config/spu/spu.c: Likewise.
13211         * config/stormy16/stormy16.c: Likewise.
13212         * config/vxworks.c: Likewise.
13213         * config/xtensa/xtensa.c: Likewise.
13214         * coverage.c: Likewise.
13215         * dbxout.c: Likewise.
13216         * dwarf2out.c: Likewise.
13217         * emit-rtl.c: Likewise.
13218         * expr.c: Likewise.
13219         * function.c: Likewise.
13220         * gimple-low.c: Likewise.
13221         * gimple-pretty-print.c: Likewise.
13222         * gimplify.c: Likewise.
13223         * integrate.c: Likewise.
13224         * ipa-inline.c: Likewise.
13225         * ipa-prop.c: Likewise.
13226         * ipa-split.c: Likewise.
13227         * ipa-struct-reorg.c: Likewise.
13228         * ipa-type-escape.c: Likewise.
13229         * langhooks.c: Likewise.
13230         * lto-cgraph.c: Likewise.
13231         * omp-low.c: Likewise.
13232         * stor-layout.c: Likewise.
13233         * tree-cfg.c: Likewise.
13234         * tree-complex.c: Likewise.
13235         * tree-dfa.c: Likewise.
13236         * tree-dump.c: Likewise.
13237         * tree-inline.c: Likewise.
13238         * tree-mudflap.c: Likewise.
13239         * tree-nested.c: Likewise.
13240         * tree-object-size.c: Likewise.
13241         * tree-pretty-print.c: Likewise.
13242         * tree-sra.c: Likewise.
13243         * tree-ssa-live.c: Likewise.
13244         * tree-ssa-loop-niter.c: Likewise.
13245         * tree-ssa-math-opts.c: Likewise.
13246         * tree-ssa-reassoc.c: Likewise.
13247         * tree-ssa-sccvn.c: Likewise.
13248         * tree-ssa-structalias.c: Likewise.
13249         * tree-tailcall.c: Likewise.
13250         * tree-vrp.c: Likewise.
13251         * tree.c: Likewise.
13252         * var-tracking.c: Likewise.
13253         * varasm.c: Likewise.
13254
13255 2010-07-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13256
13257         PR target/44877
13258         * config/spu/spu.c (spu_expand_builtin_1): Allow references
13259         (as well as pointers) as argument to mask_for_load builtins.
13260
13261 2010-07-15  Richard Guenther  <rguenther@suse.de>
13262
13263         PR tree-optimization/44946
13264         * tree-ssa-structalias.c (get_constraint_for_component_ref): Deal
13265         with accessing only padding properly.
13266
13267 2010-07-15  Jan Hubicka  <jh@suse.cz>
13268
13269         * ipa.c (function_and_variable_visibility): Variables marked as used
13270         should not be localized.
13271
13272 2010-07-15  Jan Hubicka  <jh@suse.cz>
13273
13274         * cgraph.c: Include lto-streamer.h
13275         (change_decl_assembler_name): Work when assembler name hash is at place.
13276         (cgraph_make_decl_local): When localizing COMDAT symbol at WPA stage,
13277         be sure to rename it to avoid name clash.
13278         * ipa.c (cgraph_externally_visible_p, function_and_variable_visibility):
13279         Localize hidden symbols only when locally defined.
13280
13281 2010-07-15  Uros Bizjak  <ubizjak@gmail.com>
13282
13283         * config/i386/i386.h (SHIFT_COUNT_TRUNCATED): Expand comment.
13284
13285 2010-07-15  Magnus Granberg  <zorry@gentoo.org>
13286             Kevin F. Quinn  <kevquinn@gentoo.org>
13287
13288         * builtins.c (expand_builtin_init_trampoline): Warn for -Wtrampolines.
13289         * common.opt: Add -Wtrampolines.
13290         * doc/invoke.texi: Add -Wtrampolines.
13291
13292 2010-07-15  Jie Zhang  <jie@codesourcery.com>
13293
13294         * config/arm/cortex-a8.md (cortex_a8_load_store_2): Reserve
13295         cortex_a8_issue_ls.
13296
13297 2010-07-15  Dave Korn  <dave.korn.cygwin@gmail.com>
13298
13299         * config/i386/cygwin.h (LIBGCJ_SONAME): Update.
13300         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
13301
13302 2010-07-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13303
13304         * config/spu/spu.c (reg_names): Remove prototype.
13305         (call_used_regs): Likewise.
13306
13307 2010-07-14  Dave Korn  <dave.korn.cygwin@gmail.com>
13308
13309         * config/i386/cygming-crtend.c (__FRAME_END__): Replace attribute
13310         "unused" with attribute "used".
13311         (__JCR_END__): Likewise.
13312         * config/i386/cygming-crtbegin.c (__EH_FRAME_BEGIN__): Add missing
13313         "used" attribute.
13314         (__JCR_LIST__): Replace attribute "unused" with attribute "used".
13315
13316 2010-07-14  Richard Guenther  <rguenther@suse.de>
13317
13318         * lto-streamer-in.c (maybe_fixup_handled_component): Remove.
13319         (maybe_fixup_decls): Likewise.
13320         (input_gimple_stmt): Do not fixup anything.
13321         * lto-streamer-out.c (output_gimple_stmt): Make sure all
13322         non-automatic variable uses are wrapped inside a MEM_REF.
13323
13324 2010-07-14  Richard Henderson  <rth@redhat.com>
13325
13326         * passes.c (rest_of_decl_compilation): Do not call assemble_variable
13327         for functions.
13328         * varasm.c (assemble_variable): Remove early exit for functions;
13329         assert that we're given a variable.
13330
13331 2010-07-14  Jie Zhang  <jie@codesourcery.com>
13332
13333         * config/arm/cortex-a8.md (cortex_a8_alu): Don't use
13334         cortex_a8_default when neon_type is not none.
13335
13336 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
13337
13338         * lower-subreg.c (subreg_context): New static bitmap.
13339         (decompose_multiword_subregs): Allocate and free it.
13340         (find_decomposable_subregs): Set a bit in it for a register that
13341         occurs in a subreg that changes mode but not size.
13342         (can_decompose_p): Test it instead of non_decomposable_context.
13343
13344 2010-07-14  Richard Guenther  <rguenther@suse.de>
13345
13346         PR tree-optimization/44824
13347         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Use
13348         is_gimple_mem_ref_addr.
13349         (tree_ssa_forward_propagate_single_use_vars): Do not propagate
13350         non-decl_address_invariant_p addresses.
13351
13352 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
13353
13354         * reload.c (find_reloads): Revert code to penalize small register
13355         classes that was brought in with the IRA merge.
13356
13357 2010-07-14  Richard Guenther  <rguenther@suse.de>
13358
13359         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle MEM_REF
13360         as base of ARRAY_REFs.
13361
13362 2010-07-14  Richard Guenther  <rguenther@suse.de>
13363
13364         PR middle-end/44930
13365         * tree-pretty-print.c (do_niy): Do not print a newline.
13366
13367 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
13368
13369         * ira-int.h (struct ira_object): New.
13370         (ira_object_t): New typedef.  Add DEF_VEC_P and DEF_VEC_ALLOC_P for it.
13371         (struct ira_allocno): Remove members min, max,
13372         conflict_allocno_array, conflict_id, conflict_allocno_array_size,
13373         conflict_allocnos_num and conflict_vec_p.  Add new member object.
13374         (OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
13375         OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
13376         OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
13377         OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
13378         ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
13379         ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
13380         ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
13381         ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
13382         an ira_object_t rather than ira_allocno_t.  All uses changed.
13383         (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
13384         contains a vector of ira_object_t; all uses changed.
13385         (ira_objects_num): Declare variable.
13386         (ira_create_allocno_object): Declare function.
13387         (ira_conflict_vector_profitable_p): Adjust prototype.
13388         (ira_allocate_conflict_vec): Renamed from
13389         ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
13390         (ira_allocate_object_conflicts): Renamed from
13391         ira_allocate_allocno_conflicts; first arg now ira_object_t.
13392         (struct ira_object_iterator): New.
13393         (ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
13394         (ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
13395         to conflict_vec_p.  All uses changed.
13396         (ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
13397         Changed to take into account that conflicts are now tracked for
13398         objects.
13399         * ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from CONFLICT_ALLOCNO_P.
13400         Args changed to accept ira_object_t.  All uses changed.
13401         (allocnos_conflict_p): New static function.
13402         (collected_conflict_objects): Renamed from collected_allocno_objects;
13403         now a vector of ira_object_t.  All uses changed.
13404         (build_conflict_bit_table): Changed to take into account that
13405         conflicts are now tracked for objects.
13406         (process_regs_for_copy, propagate_copies, build_allocno_conflicts)
13407         (print_allocno_conflicts, ira_build_conflicts): Likewise.
13408         * ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
13409         setup_allocno_left_conflicts_size, allocno_reload_assign,
13410         fast_allocation): Likewise.
13411         * ira-lives.c (make_hard_regno_born, make_allocno_born)
13412         process_single_reg_class_operands, process_bb_node_lives): Likewise.
13413         * ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
13414         Likewise.
13415         * ira-build.c (ira_objects_num): New variable.
13416         (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
13417         contains a vector of ira_object_t; all uses changed.
13418         (ira_object_id_map_vec): Corresponding change.
13419         (object_pool): New static variable.
13420         (initiate_allocnos): Initialize it.
13421         (finish_allocnos): Free it.
13422         (ira_create_object, ira_create_allocno_object, create_allocno_objects):
13423         New functions.
13424         (ira_create_allocno): Don't set members that were removed.
13425         (ira_set_allocno_cover_class): Don't change conflict hard regs.
13426         (merge_hard_reg_conflicts): Changed to take into account that
13427         conflicts are now tracked for objects.
13428         (ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
13429         allocate_conflict_bit_vec, ira_allocate_object_conflicts,
13430         compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
13431         setup_min_max_allocno_live_range_point, allocno_range_compare_func,
13432         setup_min_max_conflict_allocno_ids, ):  Likewise.
13433         (add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
13434         to ira_object_t; all callers changed.
13435         (ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
13436         to ira_object_t, all callers changed.
13437         (clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
13438         to ira_object_t, all callers changed.
13439         (conflict_check, curr_conflict_check_tick): Renamed from
13440         allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
13441         changed.
13442         (compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
13443         arg changed to ira_object_t, all callers changed.
13444         (create_cap_allocno): Call ira_create_allocno_object.
13445         (finish_allocno): Free the corresponding object.
13446         (sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
13447         callers changed.  Adjusted for dealing with objects.
13448         (ira_build): Call create_allocno_objects after ira_costs.  Adjusted for
13449         dealing with objects.
13450         * ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
13451
13452         * ira-int.h (struct live_range): Rename allocno member to object
13453         and change type to ira_object_t.
13454         (struct ira_object): New member live_ranges.
13455         (struct ira_allocno): Remove member live_ranges.
13456         (ALLOCNO_LIVE_RANGES): Remove.
13457         (OBJECT_LIVE_RANGES): New macro.
13458         (ira_create_live_range, ira_copy_live_range_list,
13459         ira_merge_live_range_list, ira_live_ranges_intersect_p,
13460         ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
13461         * ira-build.c (ira_create_object): Initialize live ranges here.
13462         (ira_create_allocno): Not here.
13463         (ira_create_live_range): Rename from ira_create_allocno_live_range, arg
13464         changed to ira_object_t, all callers changed.
13465         (copy_live_range): Rename from copy_allocno_live_range, all callers
13466         changed.
13467         (ira_copy_live_range_list): Rename from
13468         ira_copy_allocno_live_range_list, all callers changed.
13469         (ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
13470         all callers changed.
13471         (ira_live_ranges_intersect_p): Rename from
13472         ira_allocno_live_ranges_intersect_p, all callers changed.
13473         (ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
13474         callers changed.
13475         (ira_finish_live_range_list): Rename from
13476         ira_finish_allocno_live_range_list, all callers changed.
13477         (change_object_in_range_list): Rename from change_allocno_in_range_list,
13478         last arg changed to ira_object_t, all callers changed.
13479         (finish_allocno): Changed to expect live ranges in the allocno's object.
13480         (move_allocno_live_ranges, copy_allocno_live_ranges,
13481         update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
13482         ira_flattening, ira_build): Likewise.
13483         * ira-color.c (allocnos_have_intersected_live_ranges_p,
13484         slot_coalesced_allocno_live_ranges_intersect,
13485         setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
13486         * ira-conflicts.c (build_conflict_bit_table): Likewise.
13487         * ira-emit.c (add_range_and_copies_from_move_list): Likewise.
13488         * ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
13489         make_allocno_dead, create_start_finish_chains,
13490         remove_some_program_points_and_update_live_ranges,
13491         ira_debug_live_range_list): Likewise.
13492
13493         * ira-int.h (ira_object_conflict_iterator): Rename from
13494         ira_allocno_conflict_iterator.
13495         (ira_object_conflict_iter_init): Rename from
13496         ira_allocno_conflict_iter_init, second arg changed to
13497         * ira.c (check_allocation): Use FOR_EACH_OBJECT_CONFLICT rather than
13498         FOR_EACH_ALLOCNO_CONFLICT.
13499         * ira-color.c (assign_hard_reg, push_allocno_to_stack)
13500         setup_allocno_left_conflicts_size, coalesced_allocno_conflict_p,
13501         ira_reassign_conflict_allocnos, ira_reassign_pseudos): Likewise.
13502         * ira-conflicts.c (print_allocno_conflicts): Likewise.
13503
13504 2010-07-13  Joern Rennecke  <joern.rennecke@embecosm.com>
13505
13506         PR other/44874
13507         * tree-dump.c (dump_options): Add enumerate_locals entry.
13508         Add TDF_NOID exclusion to all entry.
13509         * tree-dump.h (dump_enumerated_decls): Declare.
13510         * tree-pretty-print.c (dump_generic_node): For TDF_NOID,
13511         Don't display type uid.
13512         (print_declaration): Don't crash on TREE_TYPE (t) == 0.
13513         * tree-pass.h (TDF_ENUMERATE_LOCALS): Define.
13514         * tree-ssa-live.c: Include gimple.h.
13515         (numbered_tree_d): New struct.
13516         (numbered_tree): New typedef.
13517         (DEF_VEC_O (numbered_tree): New.
13518         (DEF_VEC_ALLOC_O (numbered_tree, heap)): Likewise.
13519         (compare_decls_by_uid, dump_enumerated_decls_push): New functions.
13520         (dump_enumerated_decls): Likewise.
13521         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): If comparing
13522         debug info and flag_dump_final_insns, call dump_enumerated_decls.
13523         * tree-cfg.c (dump_function_to_file): Call dump_enumerated_decls.
13524         * Makefile.in (tree-ssa-live.o): Depend on $(GIMPLE_H).
13525
13526 2010-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
13527
13528         * expmed.h (MAX_BITS_PER_WORD): Move to...
13529         * defaults.h (MAX_BITS_PER_WORD): ...here.
13530
13531 2010-07-13  DJ Delorie  <dj@redhat.com>
13532
13533         * config/h8300/h8300.c (h8300_init_once): Default to
13534         -fstrict_volatile_bitfields.
13535
13536         * config/sh/sh.c (sh_override_options): Default to
13537         -fstrict_volatile_bitfields.
13538
13539         * config/rx/rx.c (rx_option_override): New.
13540
13541         * config/m32c/m32c.c (m32c_override_options): Default to
13542         -fstrict_volatile_bitfields.
13543
13544 2010-07-13  Nathan Froyd  <froydnj@codesourcery.com>
13545
13546         * tree.h (build_function_call_expr): Delete.
13547         (build_call_expr_loc_array): New function.
13548         (build_call_expr_loc_vec): New function.
13549         * tree-flow.h (struct omp_region): Change type of ws_args field
13550         to a VEC.
13551         * builtins.c (build_function_call_expr): Delete.
13552         (build_call_expr_loc_array): New function.
13553         (build_call_expr_loc): Call it.  Use XALLOCAVEC.
13554         (build_call_expr): Likewise.
13555         (build_call_expr_loc_vec): New function.
13556         * cgraphunit.c (build_cdtor): Call build_call_expr instead of
13557         build_function_call_expr.
13558         * expr.c (emutls_var_address): Likewise.
13559         * varasm.c (emutls_common_1): Likewise.
13560         * omp-low.c (expand_omp_atomic_mutex): Likewise.
13561         (expand_omp_taskreg): Adjust for new type of region->ws_args.
13562         (get_ws_args_for): Return a VEC instead of a tree.
13563         (expand_parallel_call): Call build_call_expr_loc_vec instead of
13564         build_function_call_expr.
13565         * stor-layout.c (self_referential_size): Likewise.
13566
13567 2010-07-13  Jakub Jelinek  <jakub@redhat.com>
13568
13569         PR testsuite/44701
13570         * recog.c (constrain_operands): Allow side-effects in memory
13571         operands if either < or > constraint is used, rather than if
13572         both < and > is used.
13573
13574 2010-07-13  Richard Guenther  <rguenther@suse.de>
13575
13576         PR middle-end/44911
13577         * tree-pretty-print.c (dump_generic_node): Use TDF_SLIM for
13578         MEM_REF pointer type dumping.  Avoid recursing for TYPE_DECLs
13579         without name.
13580
13581 2010-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
13582
13583         PR target/44761
13584         * mode-switching.c (optimize_mode_switching): Add ATTRIBUTE_UNUSED
13585         to variable emited.
13586         * config/sh/sh.c (sh_expand_epilogue): Remove unused variable.
13587         * config/sh/sh.md (symGOT_load): Likewise.
13588         (symDTPOFF2reg): Likewise.
13589         (symTPOFF2reg): Likewise.
13590
13591 2010-07-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13592
13593         * expmed.c (MAX_BITS_PER_WORD): Moved to expmed.h.
13594         * expmed.h (MAX_BITS_PER_WORD): Moved from expmed.c.
13595
13596 2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13597
13598         * config/i386/sol2-unwind.h (x86_64_fallback_frame_state): Correct
13599         explanation.
13600         Find ucontext_t * on Solaris 11.
13601         (x86_fallback_frame_state): Handle Solaris 9 multi-threaded pattern.
13602         Handle new Solaris 11 __sighndlr patterns.
13603
13604 2010-07-13  Jakub Jelinek  <jakub@redhat.com>
13605
13606         PR debug/44901
13607         * vec.h (VEC_block_remove): Fix comment.
13608         * tree-ssa-live.c (remove_unused_locals): Don't use
13609         VEC_unordered_remove on local_decls, instead replace a single
13610         vector element in each iteration if at least one element had
13611         to be removed and VEC_truncate at the end.
13612         * omp-low.c (expand_omp_taskreg): Likewise.
13613
13614 2010-07-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13615
13616         * c-decl.c (finish_function): Fix typo in comment.
13617
13618 2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>
13619
13620         PR bootstrap/44921
13621         * postreload.c (move2add_use_add3_insn): Silence gcc warning
13622         on min_regno.
13623
13624 2010-07-12  Jakub Jelinek  <jakub@redhat.com>
13625
13626         * tree-vrp.c (simplify_bit_ops_using_ranges): New function.
13627         (simplify_stmt_using_ranges): Use it.
13628
13629 2010-07-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13630
13631         * config/spu/spu.h (struct spu_builtin_description): Remove FNDECL
13632         member.  Do not mark as GTY(()).
13633         * config/spu/spu.c (spu_builtins): Remove FNDECL initializer elements.
13634         (spu_builtin_decls): New static variable.
13635         (spu_builtin_decl): Use it instead of spu_builtins[].fndecl.
13636         (spu_init_builtins): Likewise.
13637         (spu_builtin_mul_widen_even): Likewise.
13638         (spu_builtin_mul_widen_odd): Likewise.
13639         (spu_builtin_mask_for_load): Likewise.
13640         (spu_builtin_vec_perm): Likewise.
13641         * config/spu/spu-c.c: Include "target.h".
13642         (spu_resolve_overloaded_builtin): Call targetm.builtin_decl instead
13643         of using spu_builtins[].fndecl.
13644
13645 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13646
13647         * config/mips/mips.c (mips_override_options): Make -mflip-mips16
13648         imply -minterlink-mips16.
13649
13650 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13651
13652         * config/mips/mips.h (mips16_globals): Declare.
13653         (SWITCHABLE_TARGET): Define.
13654         * config/mips/mips.c: Include target-globals.h.
13655         (mips16_globals): New variable.
13656         (mips_set_mips16_mode): Use save_target_globals and
13657         restore_target_globals instead of target_reinit.
13658
13659 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13660
13661         * reginfo.c (init_reg_sets): Don't zero globals here.  Update comment
13662         to say that the function can be called more than once.
13663         * target-globals.c (save_target_globals): Call init_reg_sets.
13664
13665 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13666
13667         * Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h
13668         * bb-reorder.h: New file.
13669         * bb-reorder.c (default_target_bb_reorder): New variable.
13670         (this_target_bb_reorder): New conditional variable.
13671         (uncond_jump_length): Redefine as a macro.
13672         * target-globals.h (this_target_bb_reorder): Declare.
13673         (target_globals): Add a bb_reorder field.
13674         (restore_target_globals): Copy the bb_reorder field to
13675         this_target_bb-reorder.
13676         * target-globals.c: Include bb-reorder.h.
13677         (default_target_globals): Initialize the bb_reorder field.
13678         (save_target_globals): Likewise.
13679
13680 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13681
13682         * Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
13683         * gcse.h: New file.
13684         * gcse.c: Include gcse.h.
13685         (default_target_gcse): New variable.
13686         (this_target_gcse): New conditional variable.
13687         (can_copy): Redefine as a macro.
13688         (can_copy_init_p): New macro.
13689         (can_copy_p): Remove can_copy_init_p.
13690         * target-globals.h (this_target_gcse): Declare.
13691         (target_globals): Add a gcse field.
13692         (restore_target_globals): Copy the gcse field to this_target_gcse.
13693         * target-globals.c: Include gcse.h.
13694         (default_target_globals): Initialize the gcse field.
13695         (save_target_globals): Likewise.
13696
13697 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13698
13699         * ira-int.h (target_ira_int): Add x_ira_prohibited_mode_move_regs
13700         and x_ira_prohibited_mode_move_regs_initialized_p.
13701         (ira_prohibited_mode_move_regs): Redefine as a macro.
13702         * ira.c (ira_prohibited_mode_move_regs): Delete.
13703         (ira_prohibited_mode_move_regs_initialized_p): Redefine as a macro.
13704
13705 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13706
13707         * reload.h (target_reload): Add x_cached_reg_save_code and
13708         x_cached_reg_restore_code.
13709         * caller-save.c (cached_reg_save_code, cached_reg_restore_code):
13710         Redefine as macros.
13711
13712 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13713
13714         * Makefile.in (target-globals.o): Depend on builtins.h.
13715         * builtins.h: New file.
13716         * builtins.c: Include builtins.h.
13717         (default_target_builtins): New variable.
13718         (this_target_builtins): New conditional variable.
13719         (apply_args_mode, apply_result_mode): Redefine as macros.
13720         * target-globals.h (this_target_builtins): Declare.
13721         (target_globals): Add a builtins field.
13722         (restore_target_globals): Copy the builtins field to
13723         this_target_builtins.
13724         * target-globals.c: Include builtins.h.
13725         (default_target_globals): Initialize the builtins field.
13726         (save_target_globals): Likewise.
13727
13728 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13729
13730         * expmed.h (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST)
13731         (algorithm, alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved
13732         from expmed.c.
13733         (target_expmed): Add x_alg_hash and x_alg_hash_used_p.
13734         (alg_hash, alg_hash_used_p): New macros.
13735         * expmed.c (init_expmed): Clear alg_hash if reinitializing.
13736         (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST, algorithm)
13737         (alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved to expmed.h.
13738
13739 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13740
13741         * ira-int.h (target_ira_int): Add x_max_struct_costs_size, x_init_cost,
13742         x_temp_costs, x_op_costs, x_this_op_costs and x_cost_classes.
13743         * ira-costs.c (max_struct_costs_size, init_cost, temp_costs, op_costs)
13744         (this_op_costs, costs_classes): Redefine as macros.
13745         (record_reg_classes): Don't take op_costs as a parameter.
13746         (record_operand_costs): Likewise.  Update calls to record_reg_classes.
13747         (scan_one_insn): Update call to record_operand_costs.
13748
13749 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13750
13751         * Makefile.in (target-globals.o): Depend on $(IRA_INT_H).
13752         * ira-int.h (ira_max_nregs, ira_important_class_nums): Delete.
13753         (target_ira_int): New structure.
13754         (default_target_ira_int): Declare.
13755         (this_target_ira_int): Declare as a variable or define as a macro.
13756         (ira_reg_mode_hard_regset, ira_register_move_cost)
13757         (ira_may_move_in_cost, ira_may_move_out_cost, ira_class_subset_p)
13758         (ira_non_ordered_class_hard_regs, ira_class_hard_reg_index)
13759         (prohibited_class_mode_regs, ira_important_classes_num)
13760         (ira_important_classes, ira_reg_class_intersect)
13761         (ira_reg_classes_intersect_p, ira_reg_class_super_classes)
13762         (ira_reg_class_union): Redefine as macros.
13763         * ira.h (target_ira): New structure.
13764         (default_target_ira): Declare.
13765         (this_target_ira): Declare as a variable or define as a macro.
13766         (ira_available_class_regs, ira_hard_regno_cover_class)
13767         (ira_reg_class_cover_size, ira_reg_class_cover, ira_class_translate)
13768         (ira_reg_class_nregs, ira_memory_move_cost, ira_class_hard_regs)
13769         (ira_class_hard_regs_num): Redefine as macros.
13770         * ira.c (default_target_ira, default_target_ira_int): New variables.
13771         (this_target_ira, this_target_ira_int): New conditional variables.
13772         (ira_reg_mode_hard_regset, ira_memory_move_cost)
13773         (ira_register_move_cost, ira_may_move_in_cost, ira_may_move_out_cost)
13774         (ira_class_subset_p): Delete.
13775         (no_unit_alloc_regs): Redefine as a macro.
13776         (ira_class_hard_regs, ira_non_ordered_class_hard_regs)
13777         (ira_class_hard_regs_num, ira_class_hard_reg_index)
13778         (ira_available_class_regs): Delete.
13779         (alloc_reg_class_subclasses): Redefine as a macro.
13780         (ira_reg_class_cover_size, ira_reg_class_cover)
13781         (ira_important_classes_num, ira_important_classes)
13782         (ira_important_class_nums, ira_class_translate): Delete.
13783         (cover_class_order): Document the variable's lifetime.
13784         (reorder_important_classes): Don't set ira_important_class_nums.
13785         (ira_reg_class_intersect, ira_reg_classes_intersect_p)
13786         (ira_reg_class_super_classes, ira_reg_class_union)
13787         (ira_hard_regno_cover_class, ira_reg_class_nregs, ira_max_nregs):
13788         Delete.
13789         (setup_reg_class_nregs): Don't set ira_max_regs.
13790         (prohibited_class_mode_regs): Delete.
13791         * target-globals.h (this_target_ira, this_target_ira_int): Declare.
13792         (target_globals): Add ira and ira_int fields.
13793         (restore_target_globals): Copy the ira field to this_target_ira
13794         and the ira_int field to this_target_ira_int.
13795         * target-globals.c: Include ira-int.h.
13796         (default_target_globals): Initialize the ira and ira_int fields.
13797         (save_target_globals): Likewise.
13798
13799 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13800
13801         * Makefile.in (target-globals.o): Depend on $(CFGLOOP_H).
13802         * cfgloop.h (target_cfgloop): New structure.
13803         (default_target_cfgloop): Declare.
13804         (this_target_cfgloop): Declare as a variable or define as a macro.
13805         (target_avail_regs, target_clobbered_regs, target_res_regs)
13806         (target_reg_cost, target_spill_cost): Redefine as macros.
13807         * cfgloopanal.c (default_target_cfgloop): New variable.
13808         (this_target_cfgloop): New conditional variable.
13809         (target_avail_regs, target_clobbered_regs, target_res_regs)
13810         (target_reg_cost, target_spill_cost): Delete.
13811         * target-globals.h (this_target_cfgloop): Declare.
13812         (target_globals): Add a cfgloop field.
13813         (restore_target_globals): Copy the cfgloop field to
13814         this_target_cfgloop.
13815         * target-globals.c: Include cfgloop.h.
13816         (default_target_globals): Initialize the cfgloop field.
13817         (save_target_globals): Likewise.
13818
13819 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13820
13821         * regs.h (target_regs): Add x_direct_load, x_direct_store and
13822         x_float_extend_from_mem.
13823         (direct_load, direct_store, float_extend_from_mem): New macros.
13824         * expr.c (direct_load, direct_store, float_extend_from_mem): Delete.
13825
13826 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13827
13828         * Makefile.in (LIBFUNCS_H): Add $(HASHTAB_H).
13829         (target-globals.o): Depend on $(LIBFUNCS_H).
13830         * libfuncs.h: Include hashtab.h.
13831         (libfunc_entry): Moved from optabs.c.
13832         (target_libfuncs): New structure.
13833         (default_target_libfuncs): Declare.
13834         (this_target_libfuncs): Declare as a variable or define as a macro.
13835         (libfunc_table): Redefine as a macro.
13836         * optabs.c (default_target_libfuncs): New variable.
13837         (this_target_libfuncs): New conditional variable.
13838         (libfunc_table): Delete.
13839         (libfunc_entry): Moved to optabs.h.
13840         (libfunc_hash): Redefine as a macro.
13841         (hash_libfunc, eq_libfunc): Fix comments.
13842         (init_optabs): Use libfunc_hash to detect cases where the function
13843         has already been called.  Clear the hash table instead of
13844         recreating it.
13845         * target-globals.h (this_target_libfuncs): Declare.
13846         (target_globals): Add a libfuncs field.
13847         (restore_target_globals): Copy the libfuncs field to
13848         this_target_libfuncs.
13849         * target-globals.c: Include libfuncs.h.
13850         (default_target_globals): Initialize the libfuncs field.
13851         (save_target_globals): Likewise.
13852
13853 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13854
13855         * Makefile.in (LIBFUNCS_H): New variable.  Use instead of libfuncs.h
13856         in all dependency lists.
13857
13858 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13859
13860         * Makefile.in (target-globals.o): Depend on $(EXPR_H) and $(OPTABS_H).
13861         * optabs.h (target_optabs): New structure.
13862         (default_target_optabs): Declare.
13863         (this_target_optabs): Declare as a variable or define as a macro.
13864         (optab_table, convert_optab_table, direct_optab_table): Redefine
13865         as macros.
13866         * optabs.c (default_target_optabs): New variable.
13867         (this_target_optabs): New conditional variable.
13868         (optab_table, convert_optab_table, direct_optab_table): Delete.
13869         * target-globals.h (this_target_optabs): Declare.
13870         (target_globals): Add a optabs field.
13871         (restore_target_globals): Copy the optabs field to
13872         this_target_optabs.
13873         * target-globals.c: Include expr.h and optabs.h.
13874         (default_target_globals): Initialize the optabs field.
13875         (save_target_globals): Likewise.
13876
13877 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13878
13879         * flags.h (target_flagstate): Add x_flag_excess_precision.
13880         (flag_excess_precision): Redefine as a macro.
13881         * toplev.c (flag_excess_precision): Delete.
13882
13883 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13884
13885         * defaults.h (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Define if not defined.
13886         * libgcc2.c (MIN_UNITS_PER_WORD): Delete.
13887         * hard-reg-set.h (target_hard_regs): Add x_no_caller_save_reg_set.
13888         (no_caller_save_reg_set): Redefine as a macro.
13889         * reload.h (target_reload): Add x_caller_save_initialized_p and
13890         x_regno_save_mode.
13891         (caller_save_initialized_p): Redefine as a macro.
13892         * caller-save.c (caller_save_initialized_p, no_caller_save_reg_set)
13893         (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Delete.
13894         (regno_save_mode): Redefine as a macro.
13895
13896 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13897
13898         * Makefile.in (expmed.o, target-globals.o): Depend on expmed.h.
13899         * expmed.h: New file.
13900         * expmed.c (default_target_costs): New variable.
13901         (this_target_costs): New conditional variable.
13902         (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, neg_cost)
13903         (shift_cost, shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost)
13904         (sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete.
13905         * target-globals.h (this_target_expmed): Declare.
13906         (target_globals): Add a expmed field.
13907         (restore_target_globals): Copy the expmed field to
13908         this_target_expmed.
13909         * target-globals.c: Include expmed.h.
13910         (default_target_globals): Initialize the expmed field.
13911         (save_target_globals): Likewise.
13912
13913 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13914
13915         * Makefile.in (target-globals.o): Depend on reload.h.
13916         * reload.h (target_reload): New structure.
13917         (default_target_reload): Declare.
13918         (this_target_reload): Declare as a variable or define as a macro.
13919         (indirect_symref_ok, double_reg_address_ok): Redefine as macros.
13920         * reload1.c (default_target_reload): New variable
13921         (this_target_reload): New conditional variable.
13922         (indirect_symref_ok, double_reg_address_ok): Delete.
13923         (spill_indirect_levels): Redefine as a macro.
13924         * target-globals.h (this_target_reload): Declare.
13925         (target_globals): Add a reload field.
13926         (restore_target_globals): Copy the reload field to
13927         this_target_reload.
13928         * target-globals.c: Include hard-reg-set.h.
13929         (default_target_globals): Initialize the reload field.
13930         (save_target_globals): Likewise.
13931
13932 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13933
13934         * rtl.h (target_rtl): Add x_static_reg_base_value.
13935         * alias.c (static_reg_base_value): Redefine as a macro.
13936
13937 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13938
13939         * Makefile.in (reginfo.o): Don't depend on $(GGC_H) or gt-reginfo.h.
13940         (GTFILES): Remove reginfo.c.
13941         * rtl.h (target_rtl): Add x_top_of_stack.
13942         (top_of_stack): New macro.
13943         * reginfo.c: Don't include ggc.h or gt-reginfo.h.
13944         (top_of_stack): Delete.
13945
13946 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13947
13948         * regs.h (target_regs): Add x_hard_regs_of_mode,
13949         x_contains_reg_of_mode, x_move_cost, x_may_move_in_cost,
13950         x_may_move_out_cost and x_last_mode_for_init_move_cost.
13951         (have_regs_of_mode, contains_reg_of_mode, move_cost)
13952         (may_move_in_cost, may_move_out_cost): Redefine as macros.
13953         * reginfo.c (have_regs_of_mode, contains_reg_of_mode, move_cost)
13954         (may_move_in_cost, may_move_out_cost): Delete.
13955         (last_mode_for_init_move_cost): Redefine as a macro.
13956
13957 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13958
13959         * hard-reg-set.h (target_hard_regs): New structure.
13960         (default_target_hard_regs): Declare.
13961         (this_target_hard_regs): Declare as a variable or define as a macro.
13962         (fixed_regs, fixed_reg_set, call_used_regs, call_really_used_regs)
13963         (call_used_reg_set, call_fixed_reg_set, regs_invalidated_by_call)
13964         (reg_alloc_order, inv_reg_alloc_order, reg_class_contents)
13965         (reg_class_size, reg_class_subclasses, reg_class_subunion)
13966         (reg_class_superunion, reg_names): Redefine as macros.
13967         * reginfo.c (fixed_regs, fixed_reg_set, call_used_regs)
13968         (call_used_reg_set, call_really_used_regs, call_fixed_reg_set)
13969         (regs_invalidated_by_call, reg_alloc_order, inv_reg_alloc_order)
13970         (reg_class_contents, reg_class_size, reg_class_subclasses)
13971         (reg_class_subunion, reg_class_superunion, reg_names): Delete.
13972         (default_target_hard_regs): New variable
13973         (this_target_hard_regs, initial_call_really_used_regs)
13974         (initial_reg_alloc_order): New conditional variables.
13975         (initial_reg_names): New variable.
13976         (init_reg_sets): Assert that initial_call_really_used_regs,
13977         initial_reg_alloc_order and initial_reg_names
13978         are all the same size as their variable counterparts.  Use them to
13979         initialize those counterparts.
13980         * target-globals.h (this_target_hard_regs): Declare.
13981         (target_globals): Add a hard_regs field.
13982         (restore_target_globals): Copy the hard_regs field to
13983         this_target_hard_regs.
13984         * target-globals.c: Include hard-reg-set.h.
13985         (default_target_globals): Initialize the hard_regs field.
13986         (save_target_globals): Likewise.
13987
13988 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13989
13990         * Makefile.in (target-globals.o): Depend on $(RTL_H).
13991         * rtl.h (target_rtl): New structure.
13992         (default_target_rtl): Declare.
13993         (this_target_rtl): Declare as a variable or define as a macro.
13994         (global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
13995         Redefine as macros.
13996         * emit-rtl.c (default_target_rtl): New variable.
13997         (this_target_rtl): New conditional variable.
13998         (global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
13999         (return_address_pointer_rtx): Delete.
14000         (initial_regno_reg_rtx): New macro.
14001         (init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
14002         (init_emit_regs): Likewise.
14003         * target-globals.h (this_target_rtl): Declare.
14004         (target_globals): Add a rtl field.
14005         (restore_target_globals): Copy the rtl field to this_target_rtl.
14006         * target-globals.c: Include rtl.h.
14007         (default_target_globals): Initialize the rtl field.
14008         (save_target_globals): Likewise.
14009
14010 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
14011
14012         * Makefile.in (target-globals.o): Depend on $(REGS_H).
14013         * regs.h (target_reg_modes): New structure.
14014         (default_target_reg_modes): Declare.
14015         (this_target_reg_modes): Declare as a variable or define as a macro.
14016         (hard_regno_nregs, reg_raw_mode): Redefine as macros.
14017         * reginfo.c (default_target_reg_modes): New variable.
14018         (this_target_reg_modes): New conditional variable.
14019         (hard_regno_nregs, reg_raw_mode): Delete.
14020         * target-globals.h (this_target_regs): Declare.
14021         (target_globals): Add a regs field.
14022         (restore_target_globals): Copy the regs field to this_target_regs.
14023         * target-globals.c: Include regs.h.
14024         (default_target_globals): Initialize the regs field.
14025         (save_target_globals): Likewise.
14026
14027 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
14028
14029         * doc/tm.texi.in (SWITCHABLE_TARGET): Document.
14030         * doc/tm.texi: Regenerate.
14031         * Makefile.in (OBJS-common): Add target-globals.o.
14032         (gtype-desc.o): Depend on $(IPA_PROP_H), $(LTO_STREAMER_H)
14033         and target-globals.h.
14034         (target-globals.o): New rule.
14035         (GTFILES): Include $(srcdir)/target-globals.h.
14036         * defaults.h (SWITCHABLE_TARGET): Define.
14037         * gengtype.c (open_base_files): Add target-globals.h to the
14038         list of includes.
14039         * target-globals.h: New file.
14040         * target-globals.c: Likewise.
14041
14042         * Makefile.in (target-globals.o): Depend on $(FLAGS_H).
14043         * flags.h (target_flag_state): New structure.
14044         (default_target_flag_state): Declare.
14045         (this_target_flag_state): Declare as a variable or define as a macro.
14046         (align_loops_log): Redefine as a macro.
14047         (align_loops_max_skip, align_jumps_log): Likewise.
14048         (align_jumps_max_skip, align_labels_log): Likewise.
14049         (align_labels_max_skip, align_functions_log): Likewise.
14050         * toplev.c (default_target_flag_state): New variable.
14051         (this_target_flag_state): New conditional variable.
14052         (align_loops_log): Delete.
14053         (align_loops_max_skip, align_jumps_log): Likewise.
14054         (align_jumps_max_skip, align_labels_log): Likewise.
14055         (align_labels_max_skip, align_functions_log): Likewise.
14056         * target-globals.h (this_target_flag_state): Declare.
14057         (target_globals): Add a flag_state field.
14058         (restore_target_globals): Copy the flag_state field to
14059         this_target_flag_state.
14060         * target-globals.c: Include flags.h.
14061         (default_target_globals): Initialize the flag_state field.
14062         (save_target_globals): Likewise.
14063
14064 2010-07-12  Jie Zhang  <jie@codesourcery.com>
14065
14066         * postreload.c (reg_symbol_ref[]): New.
14067         (move2add_use_add2_insn): New.
14068         (move2add_use_add3_insn): New.
14069         (reload_cse_move2add): Handle SYMBOL + OFFSET case.
14070         (move2add_note_store): Likewise.
14071
14072 2010-07-12  Joern Rennecke  <joern.rennecke@embecosm.com>
14073
14074         PR rtl-optimization/44752
14075         * genautomata.c (main): Don't emit an empty file even if there
14076         is no automaton.
14077
14078 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14079
14080         * config/i386/i386.c (ix86_sol10_return_in_memory): Rename to
14081         ix86_solaris_return_in_memory.
14082         * config/i386-protos.h: Reflect this.
14083         * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
14084         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
14085         Move ...
14086         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): ... here.
14087
14088 2010-07-12  Jie Zhang  <jie@codesourcery.com>
14089
14090         * config/arm/arm.c (arm_get_frame_offsets): Don't use r3 to
14091         align the stack when it's going to be saved.
14092
14093 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14094
14095         PR pch/14940
14096         * config/host-solaris.c (mmap_fixed): New function.
14097         (sol_gt_pch_get_address): Use it.
14098         (sol_gt_pch_use_address): Likewise.
14099
14100 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14101
14102         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
14103         pentiumpro on Solaris 8 and 9/x86.
14104         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
14105         Document SSE/SSE2 support.
14106         * doc/sourcebuild.texi (Effective-Target Keywords): Document sse.
14107
14108 2010-07-12  Andi Kleen  <ak@linux.intel.com>
14109
14110         * lto-symtab.c (lto_symtab_merge_decls_1): Use fatal_error
14111         instead of gcc_assert to print better error message for multiple
14112         prevailing defs.
14113
14114 2010-07-12  Uros Bizjak  <ubizjak@gmail.com>
14115
14116         * config/i386/i386.c (ix86_asm_output_function_label): Change format
14117         string placeholder from 0x%x to %#x.
14118         (ix86_code_end): Use putc to output '\n'.
14119         (ix86_print_operand) <case ';'>: Use putc to output ';'.
14120
14121 2010-07-11  Kai Tietz  <kai.tietz@onevision.com>
14122
14123         * config/i386/winnt.c (i386_pe_file_end): Quote symbol name
14124         in directive -export.
14125
14126 2010-07-10  Anatoly Sokolov  <aesok@post.ru>
14127
14128         * reginfo.h (reg_classes_intersect_p): Change arguments type to
14129         reg_class_t.
14130         * rtl.h (reg_classes_intersect_p): Adjust prototype.
14131
14132         * config/rs6000/rs6000.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
14133         Remove macros.
14134         * config/rs6000/rs6000-protos.h (rs6000_register_move_cost,
14135         rs6000_memory_move_cost): Remove
14136         * config/rs6000/rs6000.c (TARGET_REGISTER_MOVE_COST,
14137         TARGET_MEMORY_MOVE_COST): Define.
14138         (rs6000_register_move_cost): Make static. Change arguments type from
14139         enum reg_class to reg_class_t. Adjust rs6000_memory_move_cost calls.
14140         (rs6000_memory_move_cost): Make static. Change arguments type from
14141         'enum reg_class' to reg_class_t.
14142
14143 2010-07-10  Sandra Loosemore  <sandra@codesourcery.com>
14144
14145         PR middle-end/42505
14146         * tree-inline.c (estimate_num_insns): Refactor builtin complexity
14147         lookup code into....
14148         * builtins.c (is_simple_builtin, is_inexpensive_builtin): ...these
14149         new functions.
14150         * tree.h (is_simple_builtin, is_inexpensive_builtin): Declare.
14151         * cfgloopanal.c (target_clobbered_regs): Define.
14152         (init_set_costs): Initialize target_clobbered_regs.
14153         (estimate_reg_pressure_cost): Add call_p argument.  When true,
14154         adjust the number of available registers to exclude the
14155         call-clobbered registers.
14156         * cfgloop.h (target_clobbered_regs): Declare.
14157         (estimate_reg_pressure_cost): Adjust declaration.
14158         * tree-ssa-loop-ivopts.c (struct ivopts_data): Add body_includes_call.
14159         (ivopts_global_cost_for_size): Pass it to estimate_reg_pressure_cost.
14160         (determine_set_costs): Dump target_clobbered_regs.
14161         (loop_body_includes_call): New function.
14162         (tree_ssa_iv_optimize_loop): Use it to initialize new field.
14163         * loop-invariant.c (gain_for_invariant): Adjust arguments to pass
14164         call_p flag through.
14165         (best_gain_for_invariant): Likewise.
14166         (find_invariants_to_move): Likewise.
14167         (move_single_loop_invariants): Likewise, using already-computed
14168         has_call field.
14169
14170 2010-07-10  Richard Guenther  <rguenther@suse.de>
14171             Joern Rennecke  <joern.rennecke@embecosm.com>
14172
14173         PR debug/44832
14174         * tree-ssa-live.c (mark_all_vars_used_1): Set TREE_USED for LABEL_DECL.
14175         (remove_unused_scope_block_p): Don't drop TREE_USED LABEL_DECLs
14176         unless they have DECL_IGNORED_P set.
14177
14178 2010-07-10  Richard Guenther  <rguenther@suse.de>
14179
14180         PR lto/44889
14181         * gimple.c (gimple_fixup_complete_and_incomplete_subtype_p): New
14182         helper function.
14183         (gimple_types_compatible_p): Similar to pointed-to
14184         types allow and merge a mix of complete and incomplete aggregate.
14185         Use gimple_fixup_complete_and_incomplete_subtype_p for that.
14186         (iterative_hash_gimple_type): Adjust for that.
14187
14188 2010-07-10  Richard Sandiford  <r.sandiford@uk.ibm.com>
14189
14190         * tree.h (DECL_REPLACEABLE_P): Strengthen check for weak symbols.
14191
14192 2010-07-10  Iain Sandoe  <iains@gcc.gnu.org>
14193
14194         PR objc/44140
14195         * config/darwin.c (output_objc_section_asm_op): Save and restore
14196         section when outputting ObjC section list.
14197
14198 2010-07-09  Jan Hubicka  <jh@suse.cz>
14199
14200         * lto-streamer-out.c (produce_symtab): Do not write alias
14201         cgraph/varpool nodes.
14202
14203 2010-07-09  Jan Hubicka  <jh@suse.cz>
14204
14205         * tree-inline.c (declare_return_variable): Fix ICE while
14206         inlining DECL_BY_VALUE function not in SSA form
14207
14208 2010-07-09  Changpeng Fang  <changpeng.fang@amd.com>
14209
14210         PR tree-optimization/44576
14211         * tree-ssa-loop-prefetch.c (trip_count_to_ahead_ratio_too_small_p):
14212         New.  Pull out from is_loop_prefetching_profitable to implement
14213         the trip count to ahead ratio heuristic.
14214         (mem_ref_count_reasonable_p): New.  Pull out from
14215         is_loop_prefetching_profitable to implement the instruction to
14216         memory reference ratio heuristic.  Also consider not reasonable if
14217         the memory reference count is above a threshold (to avoid
14218         explosive compilation time.
14219         (insn_to_prefetch_ratio_too_small_p): New.  Pull out from
14220         is_loop_prefetching_profitable to implement the instruction to
14221         prefetch ratio heuristic.
14222         (is_loop_prefetching_profitable): Removed.
14223         (loop_prefetch_arrays): Distribute the cost analysis across the
14224         function to allow early exit of the prefetch analysis.
14225         is_loop_prefetching_profitable is splitted into three functions,
14226         with each one called as early as possible.
14227         (PREFETCH_MAX_MEM_REFS_PER_LOOP): New.  Threshold above which the
14228         number of memory references in a loop is considered too many.
14229
14230 2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>
14231
14232         * reload.c (find_reloads): Don't clear badop if we have a winreg
14233         alternative, but not win, and the class only has fixed regs.
14234         * hard-reg-set.h (class_only_fixed_regs): Declare.
14235         * reginfo.c (class_only_fixed_regs): New array.
14236         (init_reg_sets_1): Initialize it.
14237         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn): Don't
14238         discourage alternatives using the stack pointer.
14239
14240         * config/arm/arm.md (addsi3_cbranch): Switch alternatives 0 and 1.
14241
14242         * config/arm/arm.md (Thumb-1 ldrsb peephole): New.
14243
14244         * config/arm/arm.md (cbranchqi4): Fix array size.
14245         (addsi3_cbranch): Also andle alternative 2 like alternative 3 when
14246         calculating length.
14247
14248 2010-07-09  Richard Guenther  <rguenther@suse.de>
14249
14250         * gimple.c (struct type_fixup_s): New struct and VEC type.
14251         (gimple_register_type_fixups): New static global.
14252         (gimple_queue_type_fixup): New function.
14253         (gimple_types_compatible_p): Queue type fixups instead of
14254         applying them here.
14255         (gimple_register_type): Apply queued fixups for the
14256         canonical type.  Empty the type fixup queue.
14257
14258 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
14259
14260         * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test.
14261         * configure: Regenerate.
14262         * config.in: Ditto.
14263
14264 2010-07-09  Jakub Jelinek  <jakub@redhat.com>
14265             Denys Vlasenko  <dvlasenk@redhat.com>
14266             Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
14267
14268         PR tree-optimization/28632
14269         * tree-vrp.c (zero_nonzero_bits_from_vr): New function.
14270         (extract_range_from_binary_expr): Further optimize
14271         BIT_AND_EXPR and BIT_IOR_EXPR.
14272
14273 2010-07-09  Sebastian Pop  <sebastian.pop@amd.com>
14274
14275         * tree-if-conv.c (fold_or_predicates): New.
14276         (add_to_predicate_list): Call it.
14277
14278 2010-07-09  Richard Guenther  <rguenther@suse.de>
14279
14280         PR middle-end/44890
14281         * tree-ssa-address.c (create_mem_ref_raw): Only build a MEM_REF
14282         if base is a pointer.
14283         * tree-cfg.c (verify_expr): Update MEM_REF checking.
14284
14285 2010-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
14286
14287         PR target/44877
14288         * config/rs6000/rs6000.c (rs6000_expand_builtin): Use
14289         POINTER_TYPE_P instead of checking only for POINTER_TYPE for the
14290         builtin mask for load/store builtins.
14291
14292 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
14293
14294         * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check
14295         for "lock addl".
14296         * configure: Regenerate.
14297         * config/i386/i386.c (ix86_print_operand) <case ';'>:
14298         Remove TARGET_MACHO.
14299
14300 2010-07-09  Peter Bergner  <bergner@vnet.ibm.com>
14301
14302         * config/rs6000/rs6000.c (rs6000_override_options): Fix setting of
14303         default ISA flags.
14304         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mvsx.
14305
14306 2010-07-09  Tom de Vries  <tjvries@xs4all.nl>
14307
14308         * tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.
14309
14310 2010-07-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
14311
14312         * config/picochip/picochip.md (commsTestPort): Emit more
14313         efficient sequence for tstport instruction.
14314
14315 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
14316
14317         * config/i386/i386.c (ix86_veclib_handler): Make static.
14318
14319 2010-07-09  Richard Guenther  <rguenther@suse.de>
14320
14321         PR tree-optimization/44852
14322         * tree-ssa-alias.c: Include toplev.h for exact_log2.
14323         (indirect_ref_may_alias_decl_p): Properly handle negative offsets
14324         in MEM_REF.
14325         (indirect_refs_may_alias_p): Likewise.
14326         * Makefile.in (tree-ssa-alias.o): Add $(TOPLEV_H).
14327
14328 2010-07-09  Richard Guenther  <rguenther@suse.de>
14329
14330         PR tree-optimization/44882
14331         * tree-vect-stmts.c (vectorizable_store): Do not assert alias
14332         sets do conflict.
14333         (vectorizable_load): Likewise.
14334
14335 2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>
14336
14337         PR target/40657
14338         * config/arm/arm.c (thumb1_extra_regs_pushed): New arg FOR_PROLOGUE.
14339         All callers changed.
14340         Handle the case when we're called for the epilogue.
14341         (thumb_unexpanded_epilogue): Use it.
14342         (thumb1_expand_epilogue): Likewise.
14343
14344 2010-07-09  Jakub Jelinek  <jakub@redhat.com>
14345
14346         * tree-vrp.c (extract_range_from_binary_expr) <BIT_AND_EXPR>: If
14347         both ranges are range_int_cst_p with non-negative minimum,
14348         try harder to derive smaller range.
14349
14350 2010-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14351
14352         * genrecog.c: Include diagnostic-core.h before toplev.h.
14353         * genoutput.c: Likewise.
14354         * genextract.c: Likewise.
14355         * genautomata.c: Likewise.
14356         * genemit.c: Likewise.
14357         * genpeep.c: Likewise.
14358         * genattrtab.c: Likewise.
14359         * genconditions.c: Likewise.
14360         * genpreds.c: Likewise.
14361
14362 2010-07-08  Andi Kleen  <ak@linux.intel.com>
14363
14364         * lto-section-in.c (lto_section_name): Add missing comma.
14365
14366 2010-07-08  Anatoly Sokolov  <aesok@post.ru>
14367
14368         * config/ia64/ia64.h (OVERRIDE_OPTIONS): Remove macros.
14369         * config/ia64/ia64-protos.h (ia64_override_options): Remove.
14370         * config/ia64/ia64.c (TARGET_OPTION_OVERRIDE): Define.
14371         (ia64_override_options): Rename to...
14372         (ia64_option_override): ... this one. Make static.
14373
14374 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
14375
14376         PR middle-end/44843
14377         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not rely on the
14378         pointed-to type of the offset in a MEM_REF to compute the alignment.
14379
14380 2010-07-08  Kai Tietz  <kai.tietz@onevision.com>
14381
14382         * final.c (final_scan_insn): Replace
14383         TARGET_UNWIND_INFO macro check by unwind_emit
14384         hook NULL check.
14385         * targhooks.c (default_unwind_emit): Removed.
14386         * targhooks.h (default_unwind_emit): Likewise.
14387         * target.def (unwind_emit): Set default value to NULL.
14388
14389         * config/i386/i386-protos.h (ix86_asm_output_function_label):
14390         New prototype.
14391         * config/i386/i386.c (ix86_function_ms_hook_prologue): Check
14392         for NULL fntype argument and allow 64-bit targets.
14393         (ix86_asm_output_function_label): New function.
14394         (ix86_expand_prologue): Handle 64-bit ms hook prologue.
14395         (ix86_handle_fndecl_attribute): Likewise.
14396         * doc/extend.texi (ms_hook_prologue): Adjust documentation.
14397         * doc/doc/tm.texi: Regenerated.
14398         * doc/doc/doc/tm.texi.in (ASM_OUTPUT_FUNCTION_LABEL): New.
14399         (ASM_DECLARE_FUNCTION_NAME): Adjust documentation.
14400         * defaults.h (ASM_OUTPUT_FUNCTION_LABEL): New macro.
14401         * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use
14402         ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
14403         * config/elfos.h: Likewise.
14404         * config/i386/cygming.h: Likewise.
14405         * config/netbsd-aout.h: Likewise.
14406         * config/openbsd.h: Likewise.
14407         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_LABEL): Override
14408         by ix86_asm_output_function_label function call.
14409         * varasm.c (assemble_start_function): Use
14410         ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
14411
14412 2010-07-08  Jan Hubicka  <jh@suse.cz>
14413
14414         * cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls):
14415         New function.
14416         * cgraph.h (cgraph_will_be_removed_from_program_if_no_direct_calls):
14417         Declare.
14418         * ipa-cp.c (ipcp_estimate_growth): Use it.
14419         * ipa-inline.c (cgraph_estimate_growth, cgraph_decide_inlining):
14420         Likewise.
14421
14422 2010-07-08  Jan Hubicka  <jh@suse.cz>
14423
14424         * tree-inline.c (declare_return_variable): Allocate annotation for new
14425         temporary.
14426
14427 2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>
14428
14429         PR tree-optimization/44710
14430         * tree-if-conv.c (parse_predicate): New.
14431         (add_to_predicate_list): Call it, call maybe_fold_or_comparisons.
14432         Make sure that the predicates are either SSA_NAMEs or gimple_condexpr.
14433
14434 2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>
14435
14436         * common.opt (ftree-loop-if-convert): New flag.
14437         * doc/invoke.texi (ftree-loop-if-convert): Documented.
14438         * tree-if-conv.c (gate_tree_if_conversion): Enable if-conversion
14439         when flag_tree_loop_if_convert is set.
14440
14441 2010-07-08  Uros Bizjak  <ubizjak@gmail.com>
14442
14443         * config/i386/i386.c: Use short syntax for function calls
14444         through function pointers.
14445         * config/i386/i386.md: Ditto.
14446
14447 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
14448
14449         * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues.
14450
14451 2010-07-08  Richard Guenther  <rguenther@suse.de>
14452
14453         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix
14454         stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment.
14455
14456 2010-07-08  Jakub Jelinek  <jakub@redhat.com>
14457
14458         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u
14459         instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand.
14460         (loc_list_from_tree): Likewise.
14461         (output_loc_operands): Handle outputting DW_OP_const[48]u
14462         with loc->dtprel set.
14463         (resolve_addr_in_expr): Handle loc->dtprel like DW_OP_addr.
14464
14465 2010-07-08  Jan Hubicka  <jh@suse.cz>
14466
14467         * ipa.c: Include pointer-set.h
14468         (cgraph_externally_visible_p): New attribute ALIASED;
14469         when in LTO, hidden symbols are local unless they are aliased.
14470         (function_and_variable_visibility): Compute aliased nodes;
14471         handle LTO and hidden symbol on functions and vars.
14472         * cgraph.c (cgraph_make_decl_local): Clear NAMED_SECTION
14473         for COMDAT symbols; handle COMDAT_GROUPS also at vars.
14474
14475 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
14476
14477         * config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
14478         * config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
14479         * config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
14480         * config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
14481         * config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
14482         * config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
14483         (ix86_gen_probe_stack_range): Likewise.
14484         (override_options): Set them.
14485         (ix86_target_stack_probe): New function.
14486         (ix86_compute_frame_layout): Force use of push instructions to
14487         save registers if stack checking with probes is enabled.
14488         (get_scratch_register_on_entry): New function.
14489         (release_scratch_register_on_entry): Likewise.
14490         (ix86_adjust_stack_and_probe): Likewise.
14491         (output_adjust_stack_and_probe): Likewise.
14492         (ix86_emit_probe_stack_range): Likewise.
14493         (output_probe_stack_range): Likewise.
14494         (ix86_expand_prologue): Emit stack checking code if static built-in
14495         stack checking is enabled.
14496         Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
14497         * config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
14498         (output_adjust_stack_and_probe): Likewise.
14499         (output_probe_stack_range): Likewise.
14500         * config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
14501         (allocate_stack_worker_32): Test ix86_target_stack_probe instead of
14502         TARGET_STACK_PROBE.
14503         (allocate_stack_worker_64): Likewise.
14504         (allocate_stack): Likewise.
14505         (adjust_stack_and_probe): New insn.
14506         (probe_stack_range): Likewise.
14507
14508 2010-07-08  Richard Guenther  <rguenther@suse.de>
14509
14510         PR tree-optimization/44831
14511         * tree-ssa-phiprop.c (phiprop_insert_phi): Properly build
14512         a MEM_REF preserving TBAA info of the original dereference.
14513         Dereference the original pointer if the address is not invariant.
14514         (propagate_with_phi): Fixup type checks wrt MEM_REFs.  Require
14515         at least one invariant address that we are going to dereference.
14516
14517 2010-07-08  Richard Guenther  <rguenther@suse.de>
14518
14519         PR tree-optimization/44861
14520         * tree-vect-stmts.c (vectorizable_store): Preserve TBAA
14521         information when building MEM_REFs.
14522         (vectorizable_load): Likewise.
14523         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
14524
14525 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
14526
14527         * config/sol2-c.c: Do not include diagnostic-core.h.
14528
14529 2010-07-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14530
14531         PR bootstrap/44768
14532         * cfgexpand.c (estimated_stack_frame_size): Make self-contained
14533         with respect to current_function_decl. Pass decl of the function.
14534         * tree-inline.h (estimated_stack_frame_size): Adjust prototype.
14535         * ipa-inline.c (compute_inline_parameters): Pass decl to
14536         estimated_stack_frame_size.
14537
14538 2010-07-08  Richard Guenther  <rguenther@suse.de>
14539
14540         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
14541         New function.
14542         (valueize_refs): Call it.
14543
14544 2010-07-08  Richard Guenther  <rguenther@suse.de>
14545
14546         PR rtl-optimization/44838
14547         * tree-ssa-alias.c (indirect_refs_may_alias_p): When not in
14548         SSA form do not use pointer equivalence.
14549
14550 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
14551
14552         * dwarf2out.c (AT_linkage_name): Delete.
14553         (add_linkage_attr): New function.
14554         (add_linkage_name): Call it to emit the linkage attribute.
14555         (dwarf2out_finish): Likewise.
14556         (move_linkage_attr): Explicitly accept both attribute variants.
14557
14558 2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14559
14560         * toplev.h: Do not include diagnostic-core.h.
14561         Include diagnostic-core.h in every file that includes toplev.h.
14562         * c-tree.h: Do not include toplev.h.
14563         * pretty-print.h: Update comment.
14564         * Makefile.in: Update dependencies.
14565         * alias.c: Include diagnostic-core.h in every file that includes
14566         toplev.h.
14567         * attribs.c: Likewise.
14568         * auto-inc-dec.c: Likewise.
14569         * bb-reorder.c: Likewise.
14570         * bt-load.c: Likewise.
14571         * caller-save.c: Likewise.
14572         * calls.c: Likewise.
14573         * cfg.c: Likewise.
14574         * cfganal.c: Likewise.
14575         * cfgbuild.c: Likewise.
14576         * cfgcleanup.c: Likewise.
14577         * cfghooks.c: Likewise.
14578         * cfgloop.c: Likewise.
14579         * combine.c: Likewise.
14580         * config/alpha/alpha.c: Likewise.
14581         * config/arc/arc.c: Likewise.
14582         * config/arm/arm.c: Likewise.
14583         * config/arm/pe.c: Likewise.
14584         * config/avr/avr.c: Likewise.
14585         * config/bfin/bfin.c: Likewise.
14586         * config/cris/cris.c: Likewise.
14587         * config/crx/crx.c: Likewise.
14588         * config/darwin-c.c: Likewise.
14589         * config/darwin.c: Likewise.
14590         * config/fr30/fr30.c: Likewise.
14591         * config/frv/frv.c: Likewise.
14592         * config/h8300/h8300.c: Likewise.
14593         * config/host-darwin.c: Likewise.
14594         * config/i386/i386.c: Likewise.
14595         * config/i386/netware.c: Likewise.
14596         * config/i386/nwld.c: Likewise.
14597         * config/i386/winnt-cxx.c: Likewise.
14598         * config/i386/winnt-stubs.c: Likewise.
14599         * config/i386/winnt.c: Likewise.
14600         * config/ia64/ia64-c.c: Likewise.
14601         * config/ia64/ia64.c: Likewise.
14602         * config/iq2000/iq2000.c: Likewise.
14603         * config/lm32/lm32.c: Likewise.
14604         * config/m32c/m32c-pragma.c: Likewise.
14605         * config/m32c/m32c.c: Likewise.
14606         * config/m32r/m32r.c: Likewise.
14607         * config/m68hc11/m68hc11.c: Likewise.
14608         * config/m68k/m68k.c: Likewise.
14609         * config/mcore/mcore.c: Likewise.
14610         * config/mep/mep-pragma.c: Likewise.
14611         * config/mep/mep.c: Likewise.
14612         * config/mmix/mmix.c: Likewise.
14613         * config/mn10300/mn10300.c: Likewise.
14614         * config/moxie/moxie.c: Likewise.
14615         * config/pa/pa.c: Likewise.
14616         * config/pdp11/pdp11.c: Likewise.
14617         * config/picochip/picochip.c: Likewise.
14618         * config/rs6000/rs6000-c.c: Likewise.
14619         * config/rs6000/rs6000.c: Likewise.
14620         * config/rx/rx.c: Likewise.
14621         * config/s390/s390.c: Likewise.
14622         * config/score/score.c: Likewise.
14623         * config/score/score3.c: Likewise.
14624         * config/score/score7.c: Likewise.
14625         * config/sh/sh.c: Likewise.
14626         * config/sh/symbian-base.c: Likewise.
14627         * config/sh/symbian-c.c: Likewise.
14628         * config/sh/symbian-cxx.c: Likewise.
14629         * config/sol2-c.c: Likewise.
14630         * config/sol2.c: Likewise.
14631         * config/sparc/sparc.c: Likewise.
14632         * config/spu/spu.c: Likewise.
14633         * config/stormy16/stormy16.c: Likewise.
14634         * config/v850/v850-c.c: Likewise.
14635         * config/v850/v850.c: Likewise.
14636         * config/vax/vax.c: Likewise.
14637         * config/vxworks.c: Likewise.
14638         * config/xtensa/xtensa.c: Likewise.
14639         * convert.c: Likewise.
14640         * cse.c: Likewise.
14641         * cselib.c: Likewise.
14642         * dbgcnt.c: Likewise.
14643         * dbxout.c: Likewise.
14644         * ddg.c: Likewise.
14645         * dominance.c: Likewise.
14646         * emit-rtl.c: Likewise.
14647         * explow.c: Likewise.
14648         * expmed.c: Likewise.
14649         * fixed-value.c: Likewise.
14650         * fold-const.c: Likewise.
14651         * fwprop.c: Likewise.
14652         * gcse.c: Likewise.
14653         * ggc-common.c: Likewise.
14654         * ggc-page.c: Likewise.
14655         * ggc-zone.c: Likewise.
14656         * gimple-low.c: Likewise.
14657         * gimplify.c: Likewise.
14658         * graph.c: Likewise.
14659         * haifa-sched.c: Likewise.
14660         * ifcvt.c: Likewise.
14661         * implicit-zee.c: Likewise.
14662         * integrate.c: Likewise.
14663         * ira-build.c: Likewise.
14664         * ira-color.c: Likewise.
14665         * ira-conflicts.c: Likewise.
14666         * ira-costs.c: Likewise.
14667         * ira-lives.c: Likewise.
14668         * ira.c: Likewise.
14669         * lists.c: Likewise.
14670         * loop-doloop.c: Likewise.
14671         * loop-iv.c: Likewise.
14672         * lto-opts.c: Likewise.
14673         * lto-symtab.c: Likewise.
14674         * main.c: Likewise.
14675         * modulo-sched.c: Likewise.
14676         * optabs.c: Likewise.
14677         * params.c: Likewise.
14678         * plugin.c: Likewise.
14679         * postreload-gcse.c: Likewise.
14680         * postreload.c: Likewise.
14681         * predict.c: Likewise.
14682         * profile.c: Likewise.
14683         * real.c: Likewise.
14684         * regcprop.c: Likewise.
14685         * reginfo.c: Likewise.
14686         * regmove.c: Likewise.
14687         * reorg.c: Likewise.
14688         * resource.c: Likewise.
14689         * rtl.c: Likewise.
14690         * rtlanal.c: Likewise.
14691         * sched-deps.c: Likewise.
14692         * sched-ebb.c: Likewise.
14693         * sched-rgn.c: Likewise.
14694         * sdbout.c: Likewise.
14695         * sel-sched-dump.c: Likewise.
14696         * sel-sched-ir.c: Likewise.
14697         * simplify-rtx.c: Likewise.
14698         * stmt.c: Likewise.
14699         * stor-layout.c: Likewise.
14700         * store-motion.c: Likewise.
14701         * targhooks.c: Likewise.
14702         * tree-cfg.c: Likewise.
14703         * tree-cfgcleanup.c: Likewise.
14704         * tree-dump.c: Likewise.
14705         * tree-eh.c: Likewise.
14706         * tree-inline.c: Likewise.
14707         * tree-nomudflap.c: Likewise.
14708         * tree-object-size.c: Likewise.
14709         * tree-optimize.c: Likewise.
14710         * tree-outof-ssa.c: Likewise.
14711         * tree-phinodes.c: Likewise.
14712         * tree-profile.c: Likewise.
14713         * tree-ssa-ccp.c: Likewise.
14714         * tree-ssa-coalesce.c: Likewise.
14715         * tree-ssa-live.c: Likewise.
14716         * tree-ssa-loop-niter.c: Likewise.
14717         * tree-ssa-loop-prefetch.c: Likewise.
14718         * tree-ssa-loop.c: Likewise.
14719         * tree-ssa-structalias.c: Likewise.
14720         * tree-ssa-uninit.c: Likewise.
14721         * tree-ssa.c: Likewise.
14722         * tree-vect-data-refs.c: Likewise.
14723         * tree-vect-loop-manip.c: Likewise.
14724         * tree-vect-loop.c: Likewise.
14725         * tree-vect-patterns.c: Likewise.
14726         * tree-vect-stmts.c: Likewise.
14727         * tree-vrp.c: Likewise.
14728         * varasm.c: Likewise.
14729         * vec.c: Likewise.
14730         * web.c: Likewise.
14731         * xcoffout.c: Likewise.
14732
14733 2010-07-07  Richard Sandiford  <rdsandiford@googlemail.com>
14734
14735         * gengtype.c (write_field_root): New function.
14736         (write_root): Use it.
14737
14738 2010-07-07  Wei Guozhi  <carrot@google.com>
14739
14740         * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
14741         of lowest bits to lshift/compare): Add a missing line.
14742
14743 2010-07-07  Wei Guozhi  <carrot@google.com>
14744
14745         * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
14746         of lowest bits to lshift/compare): New.
14747
14748 2010-07-07  Tom Tromey  <tromey@redhat.com>
14749
14750         * doc/tm.texi: Update.
14751         * doc/tm.texi.in (SDB and DWARF) <TARGET_WANT_DEBUG_PUB_SECTIONS>:
14752         Add @hook.
14753         * target.def (want_debug_pub_sections): New hook.
14754         * config/darwin.h (TARGET_WANT_DEBUG_PUB_SECTIONS): Define.
14755         * dwarf2out.c (add_pubname_string): Check
14756         targetm.want_debug_pub_sections.
14757         (add_pubname): Likewise.
14758         (add_pubtype): Likewise.
14759
14760 2010-07-07  Jie Zhang  <jie@codesourcery.com>
14761
14762         * genautomata.c (output_automata_list_min_issue_delay_code):
14763         Correctly decompress min_issue_delay.
14764
14765 2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
14766
14767         PR rtl-optimization/44404
14768         * auto-inc-dec.c (find_inc): Avoid calling count_occurrences if
14769         possible, use reg_overlap_mentioned_p instead.
14770
14771 2010-07-07  Duncan Sands  <baldrick@free.fr>
14772
14773         PR middle-end/41355
14774         * tree.c (build_function_type_skip_args): Copy the original type using
14775         build_distinct_type_copy rather than copy_node.
14776
14777 2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>
14778
14779         PR target/44850
14780         * config/i386/i386.c (ix86_function_ms_hook_prologue): Revert
14781         revision 161876.
14782         (ix86_expand_prologue): Likewise.
14783         (ix86_handle_fndecl_attribute): Likewise.
14784         (ix86_asm_declare_function_name): Likewise.
14785         * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
14786         * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
14787         (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): Likewise.
14788         * config/i386/i386-protos.h (ix86_asm_declare_function_name): Likewise.
14789         * doc/extend.texi: Likewise.
14790
14791 2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>
14792
14793         PR target/44844
14794         * config/i386/i386.md (rdrand<mode>): Changed to expand to
14795         retry if the carry flag isn't valid.
14796         (rdrand<mode>_1): New.
14797
14798 2010-07-07  Richard Guenther  <rguenther@suse.de>
14799
14800         PR middle-end/44790
14801         * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path
14802         for expanding the constant offset for MEM_REFs.
14803
14804 2010-07-07  Richard Guenther  <rguenther@suse.de>
14805
14806         * tree-ssa-propagate.h (valid_gimple_call_p): Remove.
14807         * tree-ssa-propagate.c (valid_gimple_call_p): Make static.  Fix.
14808         * gimple.h (is_gimple_operand): Remove.
14809         * gimple.c (is_gimple_operand): Likewise.
14810         (walk_gimple_op): Fix wi->val_only setting for calls.
14811         * tree-cfg.c (verify_gimple_call): Fix argument validation.
14812         * tree-profile.c (tree_gen_ic_func_profiler): Do not create
14813         invalid gimple calls.
14814
14815 2010-07-06  Jan Hubicka  <jh@suse.cz>
14816
14817         * lto-cgraph.c (output_cgraph): Add missing declaration.
14818
14819 2010-07-06  Jan Hubicka  <jh@suse.cz>
14820
14821         * lto-cgraph.c (output_cgraph): Output toplevel asms only into first
14822         partition.
14823
14824 2010-07-06  Alexandre Oliva  <aoliva@redhat.com>
14825
14826         * doc/gimple.texi (GIMPLE_DEBUG): Document.
14827         * doc/rtl.texi (Debug Information): New node.
14828         (NOTE_INSN_VAR_LOCATION): Document.
14829         (debug_insn): Likewise.
14830         * doc/generic.texi (DEBUG_EXPR_DECL): Document.
14831
14832 2010-07-07  Jan Hubicka  <jh@suse.cz>
14833
14834         With parts by Richard Guenther.
14835
14836         PR middle-end/44813
14837         * tree-ssa-uninit.c (ssa_undefined_value_p): Result decl is defined
14838         for functions passed by reference.
14839         * tree.c (needs_to_live_in_memory): RESULT_DECL don't need to live
14840         in memory when passed by reference.
14841         * tree-ssa-ccp.c (get_default_value): Only VAR_DECL is undefined at
14842         beggining.
14843         * ipa-split.c (split_function): Cleanup way return value is passed;
14844         handle SSA DECL_BY_REFERENCE retvals.
14845         * tree-ssa.c (verify_def): Verify that RESULT_DECL is read only when
14846         DECL_BY_REFERENCE is set.
14847         * tree-ssa-structalias.c (get_constraint_for_ssa_var, get_fi_for_callee,
14848         find_what_p_points_to): Handle RESULT_DECL.
14849         * tree-inline.c (declare_return_variable): Get new entry_block argument;
14850         when passing by reference ensure that RESULT_DECL is gimple_val.
14851         (remap_gimple_op_r): Remap RESULT_DECL ssa name.
14852         (remap_gimple_stmt): Handle SSA DECL_BY_REFERENCE returns.
14853
14854 2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
14855
14856         PR rtl-optimization/44787
14857         * config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
14858         * config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.
14859
14860 2010-07-06  Jan Hubicka  <jh@suse.cz>
14861
14862         * lto-symtab.c (lto_cgraph_replace_node): Handle aliases.
14863         (lto_symtab_resolve_can_prevail_p): Also alias of cgraph node
14864         with body can prevail.
14865         (lto_symtab_resolve_symbols): Use cgraph_get_node_or_alias.
14866         (lto_symtab_merge_cgraph_nodes_1): Do not remove nodes from aliases.
14867         * cgraph.c (cgraph_get_node_or_alias): New function.
14868         * cgraph.h (cgraph_get_node_or_alias): Declare.
14869
14870 2010-07-06  Kai Tietz  <kai.tietz@onevision.com>
14871
14872         * config/i386/i386.c (ix86_function_ms_hook_prologue): Enable x64
14873         support.
14874         (ix86_expand_prologue): Likewise.
14875         (ix86_handle_fndecl_attribute): Likewise.
14876         (ix86_asm_declare_function_name): New function for
14877         ASM_DECLARE_FUNCTION_NAME.
14878         * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): New macro.
14879         * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Removed.
14880         (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): New macro.
14881         * config/i386/i386-protos.h (ix86_asm_declare_function_name): New.
14882         * doc/extend.texi: Adjust documentation about ms_hook_prologue
14883         attribute.
14884
14885 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
14886
14887         * config/i386/i386.md (immediate_operand): New mode attribute.
14888
14889         (pro_epilogue_adjust_stack_<mode>_1): Macroize insn from
14890         pro_epilogue_adjust_stack  and pro_epilogue_adjust_stack_rex64
14891         using P mode iterator.
14892         (pro_epilogue_adjust_stack_di_2): Rename from
14893         pro_epilogue_adjust_stack_rex64_2.
14894
14895         * config/i386/i386.c (pro_epilogue_adjust_stack): Update for rename.
14896
14897 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
14898
14899         * config/i386/i386.md (insv): Call gen_movdi_insv1 or gen_movsi_insv1
14900         through gen_mov_insv_1 function pointer.
14901         (fmod<mode>3): Call gen_truncxf<mode>2_i387_noop_unspec or
14902         gen_truncxf<mode>2 through gen_truncxf function pointer.
14903         (remainder<mode>3): Ditto.
14904         (cmpstrnsi): Rename cmp_insn function pointer to gen_cmp.
14905         (allocate_stack): Call gen_allocate_stack_worker_64 or
14906         gen_allocate_stack_worker_32 through gen_allocate_stack_worker
14907         function pointer.
14908         (probe_stack): Call gen_iordi3 or gen_iorsi3 through gen_ior3
14909         function pointer.
14910
14911 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
14912
14913         * config/i386/i386.md (*add<mode>3_cconly_overflow): Use <g>
14914         operand constraint instead of <r><i>m.
14915
14916 2010-07-06  Richard Guenther  <rguenther@suse.de>
14917
14918         PR middle-end/44828
14919         * convert.c (convert_to_integer): Watch out for overflowing
14920         MULT_EXPR as well.
14921
14922 2010-07-05  Jan Hubicka  <jh@suse.cz>
14923
14924         * lto-streamer.c (write_symbol_vec): Rename to ...
14925         (write_symbol) ... this one; write only symbol given and when
14926         present in cache. Sanity check that what is defined is present
14927         in cgraph/varpool with body/finalized decl.
14928         (write_symbols_of_kind): Remove.
14929         (produce_symtab): Take outputblock and sets; use cgraph/varpool/alias
14930         pairs to produce symtab.
14931         (produce_asm_for_decls): Update call of produce_symtab; don't do so
14932         when doing WPA streaming.
14933
14934 2010-07-05  Jan Hubicka  <jh@suse.cz>
14935
14936         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that
14937         function is still available to fold into.
14938
14939 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
14940
14941         * vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
14942         * function.h (struct_function): Change type of local_decls field
14943         to a VEC.
14944         (add_local_decl): New function.
14945         (FOR_EACH_LOCAL_DECL): New macro.
14946         * cfgexpand.c (init_vars_expansion): Adjust for new type of
14947         cfun->local_decls.
14948         (estimated_stack_frame_size): Likewise.
14949         (expand_used_vars): Likewise.
14950         * cgraphbuild.c (build_cgraph_edges): Likewise.
14951         * function.c (instantiate_decls_1): Likewise.
14952         * ipa-struct-reorg.c (build_data_structure): Likewise.
14953         * ipa-type-escape.c (analyze_function): Likewise.
14954         * lto-streamer-in.c (input_function): Likewise.
14955         * lto-streamer-out.c (output_function): Likewise.
14956         * tree-ssa-live.c (remove_unused_locals): Likewise.
14957         * tree.c (free_lang_data_in_decl): Likewise.
14958         (find_decls_types_in_node): Likewise.
14959         * omp-low.c (remove_exit_barrier): Likewise.
14960         (expand_omp_taskreg): Likewise.
14961         (list2chain): Rename to...
14962         (vec2chain): ...this.  Adjust.
14963         * cgraphunit.c (assemble_thunk): Call add_local_decl.
14964         * tree-cfg.c (replace_by_duplicate_decl): Likewise.
14965         * gimple-low.c (record_vars_into): Likewise.
14966         * tree-inline.c (remap_decls): Likewise.
14967         (declare_return_variable): Likewise.
14968         (declare_inline_vars): Likewise.
14969         (copy_forbidden): Adjust for new type of cfun->local_decls.
14970         (add_local_variables): New function.
14971         (expand_call_inline): Call it.
14972         (tree_function_versioning): Likewise.
14973
14974 2010-07-05  H.J. Lu  <hongjiu.lu@intel.com>
14975
14976         AVX Programming Reference (June, 2010)
14977         * config/i386/cpuid.h (bit_F16C): New.
14978         (bit_RDRND): Likewise.
14979         (bit_FSGSBASE): Likewise.
14980
14981         * config/i386/i386-builtin-types.def: Add
14982         "DEF_FUNCTION_TYPE (UINT16)", function types for
14983         float16 <-> float conversions and
14984         "DEF_FUNCTION_TYPE (VOID, UINT64)".
14985
14986         * config/i386/i386-c.c (ix86_target_macros_internal): Support
14987         OPTION_MASK_ISA_FSGSBASE, OPTION_MASK_ISA_RDRND and
14988         OPTION_MASK_ISA_F16C.
14989
14990         * config/i386/i386.c (OPTION_MASK_ISA_FSGSBASE_SET): New.
14991         (OPTION_MASK_ISA_RDRND_SET): Likewise.
14992         (OPTION_MASK_ISA_F16C_SET): Likewise.
14993         (OPTION_MASK_ISA_FSGSBASE_UNSET): Likewise.
14994         (OPTION_MASK_ISA_RDRND_UNSET): Likewise.
14995         (OPTION_MASK_ISA_F16C_UNSET): Likewise.
14996         (OPTION_MASK_ISA_AVX_UNSET): Add OPTION_MASK_ISA_F16C_UNSET.
14997         (ix86_handle_option): Handle OPT_mfsgsbase, OPT_mrdrnd and OPT_mf16c.
14998         (ix86_target_string): Support -mfsgsbase, -mrdrnd and -mf16c.
14999         (pta_flags): Add PTA_FSGSBASE, PTA_RDRND and PTA_F16C.
15000         (override_options): Handle them.
15001         (ix86_valid_target_attribute_inner_p): Handle fsgsbase, rdrnd and f16c.
15002         (ix86_builtins): Add IX86_BUILTIN_RDFSBASE32,
15003         IX86_BUILTIN_RDFSBASE64, IX86_BUILTIN_RDGSBASE32,
15004         IX86_BUILTIN_RDGSBASE64, IX86_BUILTIN_WRFSBASE32,
15005         IX86_BUILTIN_WRFSBASE64, IX86_BUILTIN_WRGSBASE32,
15006         IX86_BUILTIN_WRGSBASE64, IX86_BUILTIN_RDRAND16,
15007         IX86_BUILTIN_RDRAND32, IX86_BUILTIN_RDRAND64,
15008         IX86_BUILTIN_CVTPH2PS, IX86_BUILTIN_CVTPH2PS256,
15009         IX86_BUILTIN_CVTPS2PH and IX86_BUILTIN_CVTPS2PH256.
15010         (bdesc_args): Likewise.
15011         (ix86_expand_args_builtin): Handle V8SF_FTYPE_V8HI,
15012         V4SF_FTYPE_V8HI, V8HI_FTYPE_V8SF_INT and V8HI_FTYPE_V4SF_INT.
15013         (ix86_expand_special_args_builtin): Handle VOID_FTYPE_UINT64,
15014         VOID_FTYPE_UNSIGNED, UNSIGNED_FTYPE_VOID and UINT16_FTYPE_VOID.
15015         Handle non-memory store.
15016
15017         * config/i386/i386.h (TARGET_FSGSBASE): New.
15018         (TARGET_RDRND): Likewise.
15019         (TARGET_F12C): Likewise.
15020
15021         * config/i386/i386.md (UNSPEC_VCVTPH2PS): New.
15022         (UNSPEC_VCVTPS2PH): Likewise.
15023         (UNSPECV_RDFSBASE): Likewise.
15024         (UNSPECV_RDGSBASE): Likewise.
15025         (UNSPECV_WRFSBASE): Likewise.
15026         (UNSPECV_WRGSBASE): Likewise.
15027         (UNSPECV_RDRAND): Likewise.
15028         (rdfsbase<mode>): Likewise.
15029         (rdgsbase<mode>): Likewise.
15030         (wrfsbase<mode>): Likewise.
15031         (wrgsbase<mode>): Likewise.
15032         (rdrand<mode>): Likewise.
15033
15034         * config/i386/i386.opt: Add -mfsgsbase, -mrdrnd and -mf16c.
15035
15036         * config/i386/immintrin.h (_rdrand_u16): New.
15037         (_rdrand_u32): Likewise.
15038         (_readfsbase_u32): Likewise.
15039         (_readfsbase_u64): Likewise.
15040         (_readgsbase_u32): Likewise.
15041         (_readgsbase_u64): Likewise.
15042         (_writefsbase_u32): Likewise.
15043         (_writefsbase_u64): Likewise.
15044         (_writegsbase_u32): Likewise.
15045         (_writegsbase_u64): Likewise.
15046         (_rdrand_u64): Likewise.
15047         (_cvtsh_ss): Likewise.
15048         (_mm_cvtph_ps): Likewise.
15049         (_mm256_cvtph_ps): Likewise.
15050         (_cvtss_sh): Likewise.
15051         (_mm_cvtps_ph): Likewise.
15052         (_mm256_cvtps_ph): Likewise.
15053
15054         * config/i386/sse.md (vcvtph2ps): New.
15055         (*vcvtph2ps_load): Likewise.
15056         (vcvtph2ps256): Likewise.
15057         (vcvtps2ph): Likewise.
15058         (*vcvtps2ph): Likewise.
15059         (*vcvtps2ph_store): Likewise.
15060         (vcvtps2ph256): Likewise.
15061
15062         * doc/extend.texi: Document FSGSBASE and RDRND built-in functions.
15063
15064         * doc/invoke.texi: Document -mfsgsbase, -mrdrnd and -mf16c.
15065
15066 2010-07-05  Joern Rennecke  <joern.rennecke@embecosm.com>
15067
15068         PR bootstrap/44512
15069         * genenums.c (main): Output include of insn-constants.h
15070         * Makefile.in (insn-enums.o): Depend on insn-constants.h.
15071
15072 2010-07-05  Uros Bizjak  <ubizjak@gmail.com>
15073
15074         * config/i386/i386.c (ix86_gen_allocate_stack_worker): New.
15075         (override_options): Initialize it.
15076         (ix86_expand_prologue): Use it.
15077
15078 2010-07-05  Jakub Jelinek  <jakub@redhat.com>
15079
15080         * tree-nrv.c (tree_nrv): Set DECL_VALUE_EXPR on found to result.
15081
15082 2010-07-05  Anatoly Sokolov  <aesok@post.ru>
15083
15084         * double-int.h (fit_double_type): Remove declaration.
15085         * double-int.c (fit_double_type): Remove function.
15086         * tree.h (int_fits_type_p): Adjust prototype.
15087         * tree.c (int_fits_type_p): Return bool. Use double_int_fits_to_tree_p
15088         instead of fit_double_type.
15089         (build_int_cst_type): Use double_int_to_tree and shwi_to_double_int
15090         instead of fit_double_type and build_int_cst_wide.
15091         * builtins.c (): Use double_int_fits_to_tree_p and double_int_to_tree
15092         instead of fit_double_type and build_int_cst_wide.
15093         (fold_builtin_object_size): Use double_int_fits_to_tree_p instead
15094         of fit_double_type.
15095
15096 2010-07-05  Jan Hubicka  <jh@suse.cz>
15097
15098         * cgraph.h (cgraph_node, cgraph_varpool_node): Update docmentation of
15099         in_other_partition.
15100         * lto-cgraph.c (referenced_from_other_partition_p,
15101         reachable_from_other_partition_p): Use in_other_partition flags.
15102         (output_node, output_varpool_node): COMDAT nodes always have private
15103         copies and thus are never used from other partition.
15104
15105 2010-07-05  Anatoly Sokolov  <aesok@post.ru>
15106
15107         * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
15108         * config/ia64/t-ia64 (ia64.o): Depend on reload.h.
15109         * config/ia64/ia64.c Include reload.h.
15110         (ia64_memory_move_cost): New function.
15111         (TARGET_MEMORY_MOVE_COST): Define.
15112         (ia64_register_move_cost): Replace MEMORY_MOVE_COST with
15113         memory_move_cost.
15114
15115 2010-07-05  Sandra Loosemore  <sandra@codesourcery.com>
15116
15117         PR middle-end/42505
15118         * tree-ssa-loop-ivopts.c (determine_set_costs): Delete obsolete
15119         comments about cost model.
15120         (try_add_cand_for):  Add second strategy for choosing initial set
15121         based on original IVs, controlled by ORIGINALP argument.
15122         (get_initial_solution): Add ORIGINALP argument.
15123         (find_optimal_iv_set_1): New function, split from find_optimal_iv_set.
15124         (find_optimal_iv_set): Try two different strategies for choosing
15125         the IV set, and return the one with lower cost.
15126
15127 2010-07-05  Richard Guenther  <rguenther@suse.de>
15128
15129         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Copy alias info.
15130
15131 2010-07-05  Richard Guenther  <rguenther@suse.de>
15132
15133         * tree.c (reference_alias_ptr_type): New function.
15134         * tree.h (reference_alias_ptr_type): Declare.
15135         * tree-ssa-loop-ivopts.c (copy_ref_info): Restructure to
15136         allow non-TARGET_MEM_REF new refs.
15137         (rewrite_use_address): Pass old alias pointer type to create_mem_ref.
15138         * tree-ssa-address.c (create_mem_ref_raw): Get alias pointer type.
15139         Build a MEM_REF instead of a TARGET_MEM_REF if possible.
15140         (create_mem_ref): Get alias pointer type.  Adjust calls to
15141         create_mem_ref_raw.
15142         (maybe_fold_tmr): Likewise.
15143         * tree-flow.h (create_mem_ref): Adjust prototype.
15144
15145 2010-07-05  Jakub Jelinek  <jakub@redhat.com>
15146
15147         PR c++/44808
15148         * gimplify.c (gimplify_modify_expr): Only SET_DECL_DEBUG_EXPR if
15149         *from_p is VAR_DECL.
15150
15151 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
15152
15153         * tree.h (build_call_list): Remove.
15154         * tree.c (build_call_list): Remove.
15155
15156 2010-07-05  Richard Guenther  <rguenther@suse.de>
15157
15158         * double-int.h (double_int_sub): Declare.
15159         * double-int.c (double_int_sub): New function.
15160         * dwarf2out.c (field_byte_offset): Use it.
15161         * fixed-value.c (do_fixed_add): Likewise.
15162         (do_fixed_multiply): Likewise.
15163         (do_fixed_divide): Likewise.
15164         * tree-predcom.c (add_ref_to_chain): Likewise.
15165         (determine_roots_comp): Likewise.
15166         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Likewise.
15167
15168 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
15169
15170         * vec.h (VEC_splice, VEC_safe_splice): New macros.  Add function
15171         implementations.
15172
15173 2010-07-05  Bernd Schmidt  <bernds@codesourcery.com>
15174
15175         * config/arm/arm.c (get_arm_condition_code): Remove CC_NOTBmode case.
15176         * arm-modes.def (CC_NOTB): Don't define.
15177         * config/arm/arm.md (arm_adddi3): Generate canonical RTL.
15178         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
15179         (LTUGEU): New code_iterator.
15180         (cnb, optab): New corresponding code_attrs.
15181         (addsi3_carryin_<optab>): Renamed from addsi3_carryin.  Change pattern
15182         to canonical form.  Operands 1 and 2 are commutative.  Parametrize
15183         using LTUGEU.
15184         (addsi3_carryin_shift_<optab>): Likewise.
15185         (addsi3_carryin_alt2_<optab>): Renamed from addsi3_carryin_alt2.
15186         Operands 1 and 2 are commutative.  Parametrize using LTUGEU.
15187         (addsi3_carryin_alt1, addsi3_carryin_alt3): Remove.
15188         (subsi3_compare): Renamed from subsi3_compare0_c.
15189         Change CC_NOTB to CC.
15190         (arm_subsi3_insn): Allow constants for operand 0.
15191         (compare_scc peephole for eq case): New.
15192         (compare_scc splitters): Change CC_NOTB to CC.
15193
15194 2010-07-05  Richard Guenther  <rguenther@suse.de>
15195
15196         * tree-ssa-loop-im.c (for_each_index): Do not handle
15197         ALIGN_INDIRECT_REF.
15198         (gen_lsm_tmp_name): Likewise.
15199         * tree-dump.c (dequeue_and_dump): Likewise.
15200         * tree-pretty-print.c (dump_generic_node): Likewise.
15201         (op_code_prio): Likewise.
15202         (op_symbol_code): Likewise.
15203         * tree.c (staticp): Likewise.
15204         (build1_stat): Likewise.
15205         * tree.h (INDIRECT_REF_P): Likewise.
15206         * fold-const.c (maybe_lvalue_p): Likewise.
15207         (operand_equal_p): Likewise.
15208         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
15209         (ao_ref_init_from_vn_reference): Likewise.
15210         * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
15211         (find_interesting_uses_address): Likewise.
15212         * dwarf2out.c (loc_list_from_tree): Likewise.
15213         * gimplify.c (gimplify_expr): Likewise.
15214         * tree-eh.c (tree_could_trap_p): Likewise.
15215         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
15216         * cfgexpand.c (expand_debug_expr): Likewise.
15217         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
15218         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
15219         * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
15220         * config/rs6000/rs6000 (rs6000_check_sdmode): Likewise.
15221         * tree-ssa-operands.c (get_expr_operands): Likewise.
15222         * expr.c (safe_from_p): Likewise.
15223         (expand_expr_real_1): Likewise.  TER BIT_AND_EXPRs into MEM_REFs.
15224         * tree-vect-data-refs.c (vect_setup_realignment): Build
15225         BIT_AND_EXPR and MEM_REF instead of ALIGN_INDIRECT_REF.
15226         * tree-vect-stmts.c (vectorizable_load): Likewise.
15227         * tree.def (ALIGN_INDIRECT_REF): Remove.
15228
15229 2010-07-05  Richard Guenther  <rguenther@suse.de>
15230
15231         PR tree-optimization/44784
15232         * tree-ssa-pre.c (bitmap_find_leader): Fix dominance check
15233         for inserted stmts.
15234         (find_or_generate_expression): Fix SCCVN insertion check.
15235
15236 2010-07-05  Nathan Sidwell  <nathan@codesourcery.com>
15237
15238         * config/rs6000/e500crtsavg64gprctr.asm: Correct done label name.
15239         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
15240         * config/rs6000/e500crtres64gprctr.asm: Likewise. Add FUNC_END
15241         directives.
15242
15243 2010-07-05  Ira Rosen  <irar@il.ibm.com>
15244
15245         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Skip
15246         statements that are not vectorized.
15247         * tree-vect-stmts.c (vect_get_load_cost): Update the value stored
15248         in INSIDE_COST.
15249
15250 2010-07-05  Mikael Pettersson  <mikpe@it.uu.se>
15251
15252         PR bootstrap/44820
15253         * config/arm/arm.c (arm_attr_length_move_neon): Delete regno.
15254
15255 2010-07-05  Richard Guenther  <rguenther@suse.de>
15256
15257         * tree-cfg.c (verify_gimple_return): Handle DECL_BY_REFERENCE
15258         RESULT_DECLs properly.
15259
15260 2010-07-04  H.J. Lu  <hongjiu.lu@intel.com>
15261
15262         PR rtl-optimization/44695
15263         * config/i386/i386.md (extract_code): Removed.
15264         (<u>divmodqi4): Likewise.
15265         (divmodqi4): New.
15266         (udivmodqi4): Likewise.
15267         (divmodhiqi3): Change div/mod to HImode and extend operand 2 to HImode.
15268         (udivmodhiqi3): Likewise.
15269
15270 2010-07-04  Jan Hubicka  <jh@suse.cz>
15271
15272         * lto-cgraph.c (input_edge): Do not care about resolution decisions.
15273
15274 2010-07-04  Jan Hubicka  <jh@suse.cz>
15275
15276         * cgraphunit.c (init_cgraph): Only initialize dump file if it
15277         is not already initialized.
15278
15279 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
15280
15281         * optabs.h (reload_in_optab, reload_out_optab, code_to_optab)
15282         (vcond_gen_code, vcondu_gen_code, movmem_optab, setmem_optab)
15283         (cmpstr_optab, cmpstrn_optab, cmpmem_optab, sync_add_optab)
15284         (sync_sub_optab, sync_ior_optab, sync_and_optab, sync_xor_optab)
15285         (sync_nand_optab, sync_old_add_optab, sync_old_sub_optab)
15286         (sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab)
15287         (sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab)
15288         (sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab)
15289         (sync_new_nand_optab): Redefine as macros.
15290         (sync_compare_and_swap, sync_lock_test_and_set, sync_lock_release):
15291         Delete.
15292         (direct_optab_index): New enum.
15293         (direct_optab_d): New structure.
15294         (direct_optab): New typedef.
15295         (direct_optab_table): Declare.
15296         (direct_optab_handler, set_direct_optab_handler): New functions.
15297         (sync_compare_and_swap_optab, sync_lock_test_and_set_optab)
15298         (sync_lock_release_optab): New macros.
15299         * optabs.c (direct_optab_table): New variable.
15300         (movcc_gen_code, vcond_gen_code, vcondu_gen_code): Delete.
15301         (prepare_cmp_insn): Use direct_optab_handler for cmpmem_optab,
15302         cmpstr_optab and cmpstrn_optab.
15303         (emit_conditional_move): Likewise for movcc_optab.
15304         (can_conditionally_move_p): Likewise for movcc_gen_code.
15305         (init_insn_codes): Clear direct_optab_table.
15306         (init_optabs): Don't initialize the new "direct optabs" here.
15307         (get_vcond_icode): Use direct_optab_handler for vcondu_gen_code and
15308         vcond_gen_code.
15309         (expand_val_compare_and_swap): Likewise sync_compare_and_swap_optab.
15310         (expand_bool_compare_and_swap): Likewise sync_compare_and_swap_optab.
15311         (expand_compare_and_swap_loop): Likewise sync_compare_and_swap_optab.
15312         (expand_sync_operation): Likewise other sync_*_optabs.
15313         (expand_sync_fetch_operation): Likewise.  Rename sync_compare_and_swap
15314         to sync_compare_and_swap_optab.
15315         (expand_sync_lock_test_and_set): Use direct_optab_handler for
15316         sync_lock_test_and_set and sync_compare_and_swap, adding "_optab"
15317         to the names of both.
15318         * builtins.c (expand_builtin_strcmp): Use direct_optab_handler for
15319         cmpstr_optab and cmpstrn_optab.
15320         (expand_builtin_lock_release): Likewise sync_lock_release.
15321         * expr.c (movmem_optab, setmem_optab, cmpstr_optab, cmpstrn_optab)
15322         (cmpmem_optab, sync_add_optab, sync_sub_optab, sync_ior_optab)
15323         (sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab)
15324         (sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab)
15325         (sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab)
15326         (sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab)
15327         (sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap)
15328         (sync_lock_test_and_set, sync_lock_release): Delete.
15329         (emit_block_move_via_movmem): Use direct_optab_handler for movmem_optab.
15330         (emit_block_move_via_setmem): Use direct_optab_handler for setmem_optab.
15331         * genopinit.c (optabs): Use set_direct_optab_handler for the new
15332         macro optabs.
15333         * omp-low.c (expand_omp_atomic_fetch_op): Update the type of
15334         the "optab" local variable.  Use direct_optab_handler for optab and
15335         sync_compare_and_swap_optab.
15336         * reload1.c (reload_in_optab, reload_out_optab): Delete.
15337         * targhooks.c (default_secondary_reload): Use direct_optab_handler for
15338         reload_in_optab and reload_out_optab.
15339         * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
15340         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
15341         * config/pa/pa.c (pa_secondary_reload): Likewise.
15342         * java/builtins.c (compareAndSwapInt_builtin): Use direct_optab_handler
15343         for sync_compare_and_swap, renaming it to sync_compare_and_swap_optab.
15344         (compareAndSwapLong_builtin, compareAndSwapObject_builtin): Likewise.
15345         (VMSupportsCS8_builtin): Likewise.
15346
15347 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
15348
15349         * optabs.h (optab_handlers): Change type of insn_code to int.
15350         (optab_handler, set_optab_handler, convert_optab_handler)
15351         (set_convert_optab_handler): Treat the insn_code field as "insn_code -
15352         CODE_FOR_nothing".
15353         * optabs.c (optab_table, convert_optab_table): Always zero-initialize.
15354         (init_insn_codes): Zero both the above arrays.
15355         (init_optabs): Never call init_insn_codes first time around.
15356
15357 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
15358
15359         * optabs.h (optab_handler, convert_optab_handler): Turn into
15360         inline functions that return an insn code.
15361         (set_optab_handler, set_convert_optab_handler): New functions.
15362         * builtins.c: Replace optab_handler(X)->insn_code with
15363         optab_handler or set_optab_handler thoughout.  Likewise
15364         convert_optab_handler(X)->insn_code with convert_optab_handler
15365         and set_convert_optab_handler.
15366         * expmed.c, expr.c, genopinit.c, ifcvt.c, optabs.c, reload.c,
15367         reload1.c, stmt.c, targhooks.c, tree-ssa-loop-prefetch.c,
15368         tree-ssa-math-opts.c, tree-vect-data-refs.c, tree-vect-generic.c,
15369         tree-vect-loop.c, tree-vect-patterns.c, tree-vect-slp.c,
15370         tree-vect-stmts.c, config/m32c/m32c.c, config/rs6000/rs6000.c,
15371         config/spu/spu.c: Likewise.
15372
15373 2010-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
15374
15375         PR target/44531
15376         * config.gcc (sh*-*-*): Use regular expressions instead of
15377         the 'i' modifier for sed substitutions.
15378
15379 2010-07-04  Jeremie Salvucci  <jeremie.salvucci@free.fr>
15380
15381         * gimple.c (gimple_body): Comments added.
15382
15383 2010-07-04  Richard Guenther  <rguenther@suse.de>
15384
15385         PR middle-end/44809
15386         * gimplify.c (gimplify_expr): Properly build a MEM_REF instead
15387         of an INDIRECT_REF.
15388
15389 2010-07-04  Richard Guenther  <rguenther@suse.de>
15390
15391         PR tree-optimization/44479
15392         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
15393         extra SSA name copy statements which preserves points-to
15394         information.
15395         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
15396         Copy points-to information for all pointers.  Properly handle
15397         MEM_REFs.
15398         (vect_create_data_ref_ptr): Likewise.  Avoid extra SSA name
15399         copy statements.
15400         * Makefile.in (tree-ssa-loop-ivopts.o): Add tree-ssa-propagate.h
15401         dependency.
15402
15403 2010-07-04  Richard Guenther  <rguenther@suse.de>
15404
15405         PR middle-end/44785
15406         * tree-inline.c (initialize_inlined_parameters): Do not
15407         re-use pointer-map slot over remap_type call.
15408
15409 2010-07-04  Richard Guenther  <rguenther@suse.de>
15410
15411         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix last commit.
15412
15413 2010-07-04  Richard Guenther  <rguenther@suse.de>
15414
15415         PR tree-optimization/44656
15416         * tree-ssa-sccvn.c (vn_reference_lookup_3): Try disambiguation
15417         again after value-replacing in the defintions lhs.
15418
15419 2010-07-04  Ira Rosen  <irar@il.ibm.com>
15420             Revital Eres  <eres@il.ibm.com>
15421
15422         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST):
15423         Document new arguments.
15424         * doc/tm.texi: Regenerate.
15425         * targhooks.c (default_builtin_vectorization_cost): Add new arguments.
15426         Handle unaligned store.
15427         * targhooks.h (default_builtin_vectorization_cost): Add new arguments.
15428         * target.def (builtin_vectorization_cost): Add new arguments.
15429         * target.h (enum vect_cost_for_stmt): Add unaligned_store.
15430         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Take number
15431         of iterations of prolog loop directly from LOOP_PEELING_FOR_ALIGNMENT.
15432         (vect_vfa_segment_size): Fix indentation.
15433         * tree-vectorizer.h (struct _vect_peel_info): New.
15434         (struct _vect_peel_extended_info): New.
15435         (struct _loop_vec_info): Add new field for peeling hash table and a
15436         macro for its access.
15437         (VECT_MAX_COST): Define.
15438         (vect_get_load_cost): Declare.
15439         (vect_get_store_cost, vect_get_known_peeling_cost,
15440         vect_get_single_scalar_iteraion_cost): Likewise.
15441         (vect_supportable_dr_alignment): Add new argument.
15442         * tree-vect-loop.c (new_loop_vec_info): Initialize peeling hash table
15443         field.
15444         (destroy_loop_vec_info): Free peeling hash table.
15445         (vect_analyze_loop_form): Update call to builtin_vectorization_cost.
15446         (vect_analyze_loop): Move vect_enhance_data_refs_alignment before
15447         vect_analyze_slp. Fix indentation.
15448         (vect_get_single_scalar_iteraion_cost): New function.
15449         (vect_get_known_peeling_cost): Likewise.
15450         (vect_estimate_min_profitable_iters): Rename byte_misalign to npeel.
15451         Call vect_get_single_scalar_iteraion_cost instead of cost_for_stmt per
15452         statement. Move outside cost calculation inside unknown peeling case.
15453         Call vect_get_known_peeling_cost for known amount of peeling.
15454         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Add data
15455         reference to the print message of forced alignment.
15456         (vect_verify_datarefs_alignment): Update call to
15457         vect_supportable_dr_alignment.
15458         (vect_get_data_access_cost): New function.
15459         (vect_peeling_hash, vect_peeling_hash_eq, vect_peeling_hash_insert,
15460         vect_peeling_hash_get_most_frequent, vect_peeling_hash_get_lowest_cost,
15461         vect_peeling_hash_choose_best_peeling): Likewise.
15462         (vect_enhance_data_refs_alignment): Fix documentation. Use hash table
15463         to store all the accesses in the loop and find best possible access to
15464         align using peeling for known alignment case. For unknown alignment
15465         check if stores are preferred or if peeling is worthy.
15466         (vect_find_same_alignment_drs): Analyze pairs of loads too.
15467         (vect_supportable_dr_alignment): Add new argument and check aligned
15468         accesses according to it.
15469         * tree-vect-stmts.c (vect_get_stmt_cost): New function.
15470         (cost_for_stmt): Call vect_get_stmt_cost.
15471         (vect_model_simple_cost): Likewise.
15472         (vect_model_store_cost): Call vect_get_stmt_cost. Call
15473         vect_get_store_cost to calculate the cost of the statement.
15474         (vect_get_store_cost): New function.
15475         (vect_model_load_cost): Call vect_get_stmt_cost. Call
15476         vect_get_load_cost to calculate the cost of the statement.
15477         (vect_get_load_cost): New function.
15478         (vectorizable_store): Update call to vect_supportable_dr_alignment.
15479         (vectorizable_load): Likewise.
15480         * config/spu/spu.c (spu_builtin_vectorization_cost): Add new arguments.
15481         * config/i386/i386.c (ix86_builtin_vectorization_cost): Add new
15482         arguments. Handle unaligned store.
15483         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): New.
15484         (rs6000_builtin_support_vector_misalignment): Return true for word and
15485         double word alignments for VSX.
15486         * tree-vect-slp.c (vect_build_slp_tree): Update calls to
15487         vect_supportable_dr_alignment and builtin_vectorization_cost.
15488
15489 2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15490
15491         PR target/44597
15492         * config/pa/predicates.md (prefetch_cc_operand): Remove.
15493         (prefetch_nocc_operand): Likewise.
15494         * config/pa/pa.md (prefetch): Revise expander to use prefetch_20.
15495         (prefetch_20): New insn.
15496         (prefetch_cc): Remove.
15497         (prefetch_nocc): Likewise.
15498
15499 2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15500
15501         * expr.c (vector_mode_valid_p): Move to c-common.c.
15502         * expr.h (vector_mode_valid_p): Do not declare here.
15503         * system.h: Poison GCC_EXPR_H in front-ends.
15504         * Makefile.in: Update dependencies.
15505
15506 2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15507
15508         PR target/44705
15509         * config/pa/pa.h (GO_IF_LEGITIMATE_ADDRESS): Reject LABEL_REF.
15510
15511 2010-07-03  Jan Hubicka  <jh@suse.cz>
15512
15513         * timevar.def (TV_OUT_OF_SSA, TV_VAR_EXPAND, TV_POST_EXPAND,
15514         TV_VAR_TRACKING_DATAFLOW, TV_VAR_TRACKING_EMIT): New timevars.
15515         * cfgexpand.c (gimple_expand_cfg): Use new timevars.
15516         * var-tracking.c (vt_find_locations, variable_tracking_main_1):
15517         Likewise.
15518
15519         * lto-stramer-out.c (pass_ipa_lto_gimple_out, pass_ipa_lto_finish_out):
15520         Update timevars.V
15521         * timevar.def (TV_IPA_LTO_GIMPLE_IO, TV_IPA_LTO_DECL_IO): Remove.
15522         (TV_IPA_LTO_GIMPLE_IN, TV_IPA_LTO_GIMPLE_OUT, TV_IPA_LTO_DECL_IN,
15523         TV_IPA_LTO_DECL_OUT): New.
15524         * lto.c (read_cgraph_and_symbols, materialize_cgraph): Update timevars.
15525
15526 2010-07-03  Jan Hubicka  <jh@suse.cz>
15527
15528         * ipa-inline.c (update_edge_key): Break out from ...
15529         update_callers_keys): ... here;
15530         (update_callee_keys): Update only the edges from caller to callee.
15531         (update_all_calle_keys): Do what update_calle_keys did.
15532         (decide_inlining_of_small_functions): Avoid recomputing of all
15533         callees when badness increase.
15534
15535 2010-07-03  Jie Zhang  <jie@codesourcery.com>
15536
15537         * config/arm/arm.c (arm_attr_length_move_neon): New.
15538         * config/arm/arm-protos.h (arm_attr_length_move_neon): Declare.
15539         * config/arm/neon.md (define_mode_attr V_slen): Remove.
15540         (neon_mov<mode> for VSTRUCT): Use arm_attr_length_move_neon
15541         to compute length attribute.
15542
15543 2010-07-03  Jie Zhang  <jie@codesourcery.com>
15544
15545         * config/arm/vfp.md (*push_multi_vfp): Use vfp_register_operand
15546         as predicate for operand 1 and remove its constraint.
15547         * config/arm/predicates.md (vfp_register_operand): New.
15548         * config/arm/arm.md (*push_multi): Remove the constraint of operand 1.
15549         (*push_fp_multi): Likewise.
15550
15551 2010-07-03  Eric Botcazou  <ebotcazou@adacore.com>
15552
15553         * gimplify.c (mostly_copy_tree_r): Deal with BIND_EXPR.
15554
15555 2010-07-03  Jan Hubicka  <jh@suse.cz>
15556
15557         * config/i386/i386.c (override_options): Revert accidental commit.
15558
15559 2010-07-02  Le-Chun Wu  <lcwu@google.com>
15560
15561         PR c++/44128
15562         * doc/invoke.texi: Update documentation of -Wshadow.
15563
15564 2010-07-02  Daniel Jacobowitz  <dan@codesourcery.com>
15565             Julian Brown  <julian@codesourcery.com>
15566             Sandra Loosemore  <sandra@codesourcery.com>
15567
15568         * config/arm/arm.c (arm_canonicalize_comparison): Canonicalize DImode
15569         comparisons.  Adjust to take both operands.
15570         (arm_select_cc_mode): Handle DImode comparisons.
15571         (arm_gen_compare_reg): Generate a scratch register for DImode
15572         comparisons which require one.  Use xor for Thumb equality checks.
15573         (arm_const_double_by_immediates): New.
15574         (arm_print_operand): Allow 'Q' and 'R' for constants.
15575         (get_arm_condition_code): Handle new CC_CZmode and CC_NCVmode.
15576         * config/arm/arm.h (CANONICALIZE_COMPARISON): Always use
15577         arm_canonicalize_comparison.
15578         * config/arm/arm-modes.def: Add CC_CZmode and CC_NCVmode.
15579         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
15580         prototype.
15581         (arm_const_double_by_immediates): Declare.
15582         * config/arm/constraints.md (Di): New constraint.
15583         * config/arm/predicates.md (arm_immediate_di_operand)
15584         (arm_di_operand, cmpdi_operand): New.
15585         * config/arm/arm.md (cbranchdi4): Handle non-Cirrus also.
15586         (*arm_cmpdi_insn, *arm_cmpdi_unsigned)
15587         (*arm_cmpdi_zero, *thumb_cmpdi_zero): New insns.
15588         (cstoredi4): Handle non-Cirrus also.
15589
15590 2010-07-02  Julian Brown  <julian@codesourcery.com>
15591             Sandra Loosemore  <sandra@codesourcery.com>
15592
15593         PR target/43703
15594         * config/arm/vec-common.md (add<mode>3, sub<mode>3, smin<mode>3)
15595         (smax<mode>3): Disable for NEON float modes when
15596         flag_unsafe_math_optimizations is false.
15597         * config/arm/neon.md (*add<mode>3_neon, *sub<mode>3_neon)
15598         (*mul<mode>3_neon)
15599         (mul<mode>3add<mode>_neon, mul<mode>3neg<mode>add<mode>_neon)
15600         (reduc_splus_<mode>, reduc_smin_<mode>, reduc_smax_<mode>): Disable
15601         for NEON float modes when flag_unsafe_math_optimizations is false.
15602         (quad_halves_<code>v4sf): Only enable if
15603         flag_unsafe_math_optimizations is true.
15604         * doc/invoke.texi (ARM Options): Add note about floating point
15605         vectorization requiring -funsafe-math-optimizations.
15606
15607 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
15608             Julian Brown  <julian@codesourcery.com>
15609
15610         * config/arm/neon.md (UNSPEC_VABA): Delete.
15611         (UNSPEC_VABAL): Delete.
15612         (UNSPEC_VABS): Delete.
15613         (UNSPEC_VMUL_N): Delete.
15614         (adddi3_neon): New.
15615         (subdi3_neon): New.
15616         (mul<mode>3add<mode>_neon): Make the pattern named.
15617         (mul<mode>3neg<mode>add<mode>_neon): Likewise.
15618         (neon_vadd<mode>): Replace with define_expand, and move the remaining
15619         unspec parts...
15620         (neon_vadd<mode>_unspec): ...to this.
15621         (neon_vmla<mode>, neon_vmla<mode>_unspec): Likewise.
15622         (neon_vlms<mode>, neon_vmls<mode>_unspec): Likewise.
15623         (neon_vsub<mode>, neon_vsub<mode>_unspec): Likewise.
15624         (neon_vaba<mode>): Rewrite in terms of vabd.
15625         (neon_vabal<mode>): Rewrite in terms of vabdl.
15626         (neon_vabs<mode>): Rewrite without unspec.
15627         * config/arm/arm.md (*arm_adddi3): Disable for TARGET_NEON.
15628         (*arm_subdi3): Likewise.
15629         * config/arm/neon.ml (Vadd, Vsub): Split out 64-bit variants and add
15630         No_op attribute to disable assembly output checks.
15631         * config/arm/arm_neon.h: Regenerated.
15632         * doc/arm-neon-intrinsics.texi: Regenerated.
15633
15634 2010-07-02  Jan Hubicka  <jh@suse.cz>
15635
15636         * ipa-split.c (split_function): For aggregate values, set the return
15637         slot optimization bit.  When passing DECL_BY_REFERENCE, produce
15638         *<retval> = fncall.part ().
15639         (execute_split_functions): Do not care about DECL_BY_REFERENCE.
15640
15641 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
15642
15643         * config/arm/neon.md (UNSPEC_VAND): Delete.
15644         (UNSPEC_VBIC): Delete.
15645         (UNSPEC_VCLZ): Delete.
15646         (UNSPEC_VCNT): Delete.
15647         (UNSPEC_VEOR): Delete.
15648         (UNSPEC_VORN): Delete.
15649         (UNSPEC_VORR): Delete.
15650         (iordi3_neon): Rewrite RTL without unspec.  Add alternatives to handle
15651         core registers too.
15652         (anddi3_neon): Likewise.
15653         (orndi3_neon): Likewise.
15654         (bicdi3_neon): Likewise.
15655         (xordi3_neon): Likewise.
15656         (neon_vclz<mode>): Rewrite as define_expand and clz<mode>2 to get
15657         rid of unspec and handle unused operand.
15658         (neon_vcnt<mode>): Similarly, with popcount<mode>2.
15659         * config/arm/predicates.md (imm_for_neon_logic_operand):
15660         Require TARGET_NEON.
15661         (imm_for_neon_inv_logic_operand): Likewise.
15662         * config/arm/arm.md (define_split for logical_binary_operator):
15663         Disable for NEON registers.
15664         (anddi3): Add new define_expand, and rename the insn.  Disable
15665         this insn for NEON, where anddi3_neon now applies.
15666         (*anddi_notdi_di): Disable for TARGET_NEON, where bicdi3_neon applies.
15667         (iordi3): As for anddi3.
15668         (xordi3): Likewise.
15669         * config/arm/neon.ml (Vand): Split DImode variants and mark them
15670         as No_op to disable testing for exact instruction match.
15671         (Vorr): Likewise.
15672         (Veor): Likewise.
15673         (Vbic): Likewise.
15674         (Vorn): Likewise.
15675         * config/arm/arm_neon.h: Regenerated.
15676         * doc/arm-neon-intrinsics.texi: Regenerated.
15677
15678 2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>
15679
15680         * expr.h (emit_stack_probe): Declare.
15681         * explow.c (emit_stack_probe): Make global.
15682         (anti_adjust_stack_and_probe): Fix comments.
15683         * config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
15684         * config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
15685         * config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
15686         * config/sparc/sparc.c: Include except.h.
15687         (sparc_emit_probe_stack_range): New function.
15688         (output_probe_stack_range): Likewise.
15689         (sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
15690         built-in stack checking is enabled.
15691         * config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
15692         * config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
15693         (probe_stack_range): New insn.
15694
15695 2010-07-02  Richard Guenther  <rguenther@suse.de>
15696
15697         PR target/43958
15698         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Use pointer arithmetic
15699         for argument alignment.
15700
15701 2010-07-02  Jan Hubicka  <jh@suse.cz>
15702
15703         * ipa-split.c (verify_non_ssa_vars): Break out from ...; perform DFS
15704         walk backwards from entry_bb to check only those basic block of header
15705         that might lead to execution of split part.
15706         (consider_split) ... here.
15707         (find_return_bb): Allow assignment in return BB.
15708         (find_retval): New.
15709         (split_function): Fix name of cloned function; take care of updating
15710         return value in return_bb containing move.
15711
15712 2010-07-02  Andreas Schwab  <schwab@linux-m68k.org>
15713
15714         PR target/44771
15715         * config/m68k/m68k.c (m68k_expand_prologue): Remove set but not
15716         used variable insn.
15717
15718 2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>
15719
15720         * implicit-zee.c (combine_reaching_defs): Fix long lines.
15721         (is_set_with_extension_DI): Delete.
15722         (struct zero_extend_info): New structure.
15723         (add_removable_zero_extend): New function.
15724         (find_removable_zero_extends): Use note_stores to find SETs.
15725         (find_and_remove_ze): Fix long line, remove superfluous parentheses.
15726
15727 2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>
15728
15729         * tree-ssa-loop-prefetch.c (compute_miss_rate): Rename to
15730         is_miss_rate_acceptable. Pull total_positions computation
15731         out of the loops.  Early return if miss_positions exceeds
15732         the acceptable threshold.
15733         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Call
15734         is_miss_rate_acceptable after renaming of compute_miss_rate.
15735
15736 2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>
15737
15738         PR middle-end/44576
15739         * tree-ssa-loop-prefetch.c (compute_miss_rate): Return 1000 (out
15740         of 1000) for miss rate if the address diference is greater than or
15741         equal to the cache line size (the two reference will never hit the
15742         same cache line).
15743
15744 2010-07-02  Bernd Schmidt  <bernds@codesourcery.com>
15745
15746         PR target/42835
15747         * config/arm/arm-modes.def (CC_NOTB): New mode.
15748         * config/arm/arm.c (get_arm_condition_code): Handle it.
15749         * config/arm/thumb2.md (thumb2_compare_scc): Delete pattern.
15750         * config/arm/arm.md (subsi3_compare0_c): New pattern.
15751         (compare_scc): Now a define_and_split.  Add a number of extra
15752         splitters before it.
15753
15754         PR target/42172
15755         * config/arm/arm.c (thumb1_rtx_costs): Improve support for SIGN_EXTEND
15756         and ZERO_EXTEND.
15757         (arm_rtx_costs_1): Likewise.
15758         (arm_size_rtx_costs): Use arm_rtx_costs_1 for these codes.
15759         * config/arm/arm.md (is_arch6): New attribute.
15760         (zero_extendhisi2, zero_extendqisi2, extendhisi2,
15761         extendqisi2): Tighten the code somewhat, avoiding invalid
15762         RTL to occur in the expander patterns.
15763         (thumb1_zero_extendhisi2): Merge with thumb1_zero_extendhisi2_v6.
15764         (thumb1_zero_extendhisi2_v6): Delete.
15765         (thumb1_extendhisi2): Merge with thumb1_extendhisi2_v6.
15766         (thumb1_extendhisi2_v6): Delete.
15767         (thumb1_extendqisi2): Merge with thumb1_extendhisi2_v6.
15768         (thumb1_extendqisi2_v6): Delete.
15769         (zero_extendhisi2 for register input splitter): New.
15770         (zero_extendqisi2 for register input splitter): New.
15771         (thumb1_extendhisi2 for register input splitter): New.
15772         (extendhisi2 for register input splitter): New.
15773         (extendqisi2 for register input splitter): New.
15774         (TARGET_THUMB1 extendqisi2 for memory input splitter): New.
15775         (arm_zero_extendhisi2): Allow nonimmediate_operand for operand 1,
15776         and add support for a register alternative requiring a split.
15777         (thumb1_zero_extendqisi2): Likewise.
15778         (arm_zero_extendqisi2): Likewise.
15779         (arm_extendhisi2): Likewise.
15780         (arm_extendqisi2): Likewise.
15781
15782 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
15783
15784         * config/arm/arm.c (neon_vdup_constant): Expand into canonical RTL
15785         instead of an unspec.
15786         (neon_expand_vector_init): Likewise.
15787         * config/arm/neon.md (UNSPEC_VCOMBINE): Delete.
15788         (UNSPEC_VDUP_LANE): Delete.
15789         (UNSPEC VDUP_N): Delete.
15790         (UNSPEC_VGET_HIGH): Delete.
15791         (UNSPEC_VGET_LANE): Delete.
15792         (UNSPEC_VGET_LOW): Delete.
15793         (UNSPEC_VMVN): Delete.
15794         (UNSPEC_VSET_LANE): Delete.
15795         (V_double_vector_mode): New.
15796         (vec_set<mode>_internal): Make code emitted match that for the
15797         corresponding intrinsics.
15798         (vec_setv2di_internal): Likewise.
15799         (neon_vget_lanedi): Rewrite to expand into emit_move_insn.
15800         (neon_vget_lanev2di): Rewrite to expand into vec_extractv2di.
15801         (neon_vset_lane<mode>): Combine double and quad patterns and
15802         expand into vec_set<mode>_internal instead of UNSPEC_VSET_LANE.
15803         (neon_vset_lanedi): Rewrite to expand into emit_move_insn.
15804         (neon_vdup_n<mode>): Rewrite RTL without unspec.
15805         (neon_vdup_ndi): Rewrite as define_expand and use emit_move_insn.
15806         (neon_vdup_nv2di): Rewrite RTL without unspec and merge with
15807         with neon_vdup_lanev2di, adjusting the pattern from the latter
15808         to be predicable for consistency.
15809         (neon_vdup_lane<mode>_internal): New.
15810         (neon_vdup_lane<mode>): Turn into a define_expand and rewrite
15811         to avoid using an unspec.
15812         (neon_vdup_lanedi): Rewrite RTL pattern to avoid unspec.
15813         (neon_vdup_lanev2di): Turn into a define_expand.
15814         (neon_vcombine): Rewrite pattern to eliminate UNPSEC_VCOMBINE.
15815         (neon_vget_high<mode>): Replace with....
15816         (neon_vget_highv16qi): New pattern using canonical RTL.
15817         (neon_vget_highv8hi): Likewise.
15818         (neon_vget_highv4si): Likewise.
15819         (neon_vget_highv4sf): Likewise.
15820         (neon_vget_highv2di): Likewise.
15821         (neon_vget_low<mode>): Replace with....
15822         (neon_vget_lowv16qi): New pattern using canonical RTL.
15823         (neon_vget_lowv8hi): Likewise.
15824         (neon_vget_lowv4si): Likewise.
15825         (neon_vget_lowv4sf): Likewise.
15826         (neon_vget_lowv2di): Likewise.
15827
15828         * config/arm/neon.ml (Vget_lane): Add No_op attribute to suppress
15829         test for this emitting vmov.
15830         (Vset_lane): Likewise.
15831         (Vdup_n): Likewise.
15832         (Vmov_n): Likewise.
15833
15834         * doc/arm-neon-intrinsics.texi: Regenerated.
15835
15836 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
15837
15838         * config/arm/neon.md (vec_extractv2di): Correct error in register
15839         numbering to reconcile with neon_vget_lanev2di.
15840
15841 2010-07-02  Richard Guenther  <rguenther@suse.de>
15842
15843         * tree-ssa-structalias.c (pt_solution_set_var): New function.
15844         * tree-ssa-alias.h (pt_solution_set_var): Declare.
15845         * tree-ssa-loop-ivopts.c (copy_ref_info): Also copy or create
15846         points-to information.
15847
15848 2010-07-02  Christian Borntraeger  <borntraeger@de.ibm.com>
15849
15850         * config/s390/s390.c (override_options): Adopt prefetching
15851         at -O3 to handle flag_prefetch_loop_arrays as a tristate.
15852
15853 2010-07-02  Jan Hubicka  <jh@suse.cz>
15854
15855         * df-problems.c (df_kill_notes): Do not collect dead  notes.
15856         (df_set_note): Just call add_reg_note.
15857         (df_set_unused_notes_for_mw, df_set_dead_notes_for_mw,
15858         df_create_unused_note): Do not deal with lists of old notes.
15859         (df_note_bb_compute): Likewise.
15860
15861 2010-07-02  Richard Guenther  <rguenther@suse.de>
15862
15863         * tree-ssa-structalias.c (find_func_aliases): Handle
15864         pointer alignment via BIT_AND_EXPR.
15865         * tree-vrp.c (extract_range_from_binary_expr): Likewise.
15866
15867 2010-07-02  Richard Guenther  <rguenther@suse.de>
15868
15869         * tree-data-ref.c (initialize_data_dependence_relation): Handle
15870         mismatching number of dimensions properly.
15871
15872 2010-07-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15873
15874         PR target/44707
15875         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Recognize
15876         (lo_sum (high ...) ...) patterns generated by earlier passes.
15877
15878 2010-07-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15879
15880         * doc/install.texi (Prerequisites): Document Perl requirement on
15881         Solaris 2.
15882         (Specific, *-*-solaris2*): Document GNU c++filt requirement.
15883
15884 2010-07-02  Richard Guenther  <rguenther@suse.de>
15885
15886         PR middle-end/44777
15887         * tree-cfg.c (gimple_block_ends_with_call_p): Handle empty BBs.
15888
15889 2010-07-02  Jan Hubicka  <jh@suse.cz>
15890
15891         PR middle-end/44706
15892         * predict.c (predict_paths_for_bb): Handle case when control dependence
15893         BB has only abnormal edges.
15894
15895 2010-07-02  Richard Guenther  <rguenther@suse.de>
15896
15897         PR tree-optimization/44748
15898         * tree-ssa-ccp.c (fold_const_aggregate_ref): Properly handle
15899         the embedded conversion in MEM_REFs.
15900
15901 2010-07-01  López-Ibáñez  <manu@gcc.gnu.org>
15902
15903         * reload.c: Include toplev.h.
15904         * recog.c:  Likewise.
15905         * Makefile.in: Adjust dependencies.
15906
15907 2010-07-01  Jakub Jelinek  <jakub@redhat.com>
15908
15909         PR debug/44694
15910         * dwarf2out.c (reg_loc_descriptor): For eliminated arg_pointer_rtx
15911         or frame_pointer_rtx use DW_OP_fbreg offset DW_OP_stack_value.
15912
15913 2010-07-01  Richard Guenther  <rguenther@suse.de>
15914
15915         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
15916         types for offsets.
15917
15918 2010-07-01  Joern Rennecke  <joern.rennecke@embecosm.com>
15919
15920         PR target/44732
15921         * config/ia64/ia64.c (ia64_register_move_cost): Remove stray '{'.
15922         Fix argument types.
15923
15924 2010-07-01  Bernd Schmidt  <bernds@codesourcery.com>
15925
15926         PR target/44727
15927         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
15928         Make sure operand 0 dies.
15929
15930 2010-07-01  Richard Guenther  <rguenther@suse.de>
15931
15932         PR middle-end/42834
15933         PR middle-end/44468
15934         * doc/gimple.texi (is_gimple_mem_ref_addr): Document.
15935         * doc/generic.texi (References to storage): Document MEM_REF.
15936         * tree-pretty-print.c (dump_generic_node): Handle MEM_REF.
15937         (print_call_name): Likewise.
15938         * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF.
15939         (build_simple_mem_ref_loc): New function.
15940         (mem_ref_offset): Likewise.
15941         * tree.h (build_simple_mem_ref_loc): Declare.
15942         (build_simple_mem_ref): Define.
15943         (mem_ref_offset): Declare.
15944         * fold-const.c: Include tree-flow.h.
15945         (operand_equal_p): Handle MEM_REF.
15946         (build_fold_addr_expr_with_type_loc): Likewise.
15947         (fold_comparison): Likewise.
15948         (fold_unary_loc): Fold
15949         VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>.
15950         (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2],
15951         fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2].
15952         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF.
15953         (ptr_deref_may_alias_ref_p_1): Likewise.
15954         (ao_ref_base_alias_set): Properly differentiate base object for
15955         offset and TBAA.
15956         (ao_ref_init_from_ptr_and_size): Use MEM_REF.
15957         (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly.
15958         (indirect_refs_may_alias_p): Likewise.
15959         (refs_may_alias_p_1): Likewise.  Remove pointer SSA name def
15960         chasing code.
15961         (ref_maybe_used_by_call_p_1): Handle MEM_REF.
15962         (call_may_clobber_ref_p_1): Likewise.
15963         * dwarf2out.c (loc_list_from_tree): Handle MEM_REF.
15964         * expr.c (expand_assignment): Handle MEM_REF.
15965         (store_expr): Handle MEM_REFs from STRING_CSTs.
15966         (store_field): If expanding a MEM_REF of a non-addressable
15967         decl use bitfield operations.
15968         (get_inner_reference): Handle MEM_REF.
15969         (expand_expr_addr_expr_1): Likewise.
15970         (expand_expr_real_1): Likewise.
15971         * tree-eh.c (tree_could_trap_p): Handle MEM_REF.
15972         * alias.c (ao_ref_from_mem): Handle MEM_REF.
15973         (get_alias_set): Likewise.  Properly handle VIEW_CONVERT_EXPRs.
15974         * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF.
15975         (dr_analyze_indices): Likewise.
15976         (dr_analyze_alias): Likewise.
15977         (object_address_invariant_in_loop_p): Likewise.
15978         * gimplify.c (mark_addressable): Handle MEM_REF.
15979         (gimplify_cond_expr): Build MEM_REFs.
15980         (gimplify_modify_expr_to_memcpy): Likewise.
15981         (gimplify_init_ctor_preeval_1): Handle MEM_REF.
15982         (gimple_fold_indirect_ref): Adjust.
15983         (gimplify_expr): Handle MEM_REF.  Gimplify INDIRECT_REF to MEM_REF.
15984         * tree.def (MEM_REF): New tree code.
15985         * tree-dfa.c: Include toplev.h.
15986         (get_ref_base_and_extent): Handle MEM_REF.
15987         (get_addr_base_and_unit_offset): New function.
15988         * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF.
15989         * gimple-fold.c (may_propagate_address_into_dereference): Handle
15990         MEM_REF.
15991         (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds
15992         accesses if the array has just one dimension.  Remove always true
15993         parameter.  Do not require type compatibility here.
15994         (maybe_fold_offset_to_component_ref): Remove.
15995         (maybe_fold_stmt_indirect): Remove.
15996         (maybe_fold_reference): Remove INDIRECT_REF handling.
15997         Fold back to non-MEM_REF.
15998         (maybe_fold_offset_to_address): Simplify.  Deal with type
15999         mismatches here.
16000         (maybe_fold_reference): Likewise.
16001         (maybe_fold_stmt_addition): Likewise.  Also handle
16002         &ARRAY + I in addition to &ARRAY[0] + I.
16003         (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs.
16004         (gimple_get_relevant_ref_binfo): Handle MEM_REF.
16005         * cfgexpand.c (expand_debug_expr): Handle MEM_REF.
16006         * tree-ssa.c (useless_type_conversion_p): Make most pointer
16007         conversions useless.
16008         (warn_uninitialized_var): Handle MEM_REF.
16009         (maybe_rewrite_mem_ref_base): New function.
16010         (execute_update_addresses_taken): Implement re-writing of MEM_REFs
16011         to SSA form.
16012         * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove
16013         INDIRECT_REF handling.
16014         (copy_tree_body_r): Handle MEM_REF.
16015         * gimple.c (is_gimple_addressable): Adjust.
16016         (is_gimple_address): Likewise.
16017         (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with
16018         invariant base are invariant.
16019         (is_gimple_min_lval): Adjust.
16020         (is_gimple_mem_ref_addr): New function.
16021         (get_base_address): Handle MEM_REF.
16022         (count_ptr_derefs): Likewise.
16023         (get_base_loadstore): Likewise.
16024         * gimple.h (is_gimple_mem_ref_addr): Declare.
16025         (gimple_call_fndecl): Handle invariant MEM_REF addresses.
16026         * tree-cfg.c (verify_address): New function, split out from ...
16027         (verify_expr): ... here.  Use for verifying ADDR_EXPRs and
16028         the address operand of MEM_REFs.  Verify MEM_REFs.  Reject
16029         INDIRECT_REFs.
16030         (verify_types_in_gimple_min_lval): Handle MEM_REF.  Disallow
16031         INDIRECT_REF.  Allow conversions.
16032         (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of
16033         a register does not change its size.
16034         (verify_types_in_gimple_reference): Verify MEM_REF.
16035         (verify_gimple_assign_single): Disallow INDIRECT_REF.
16036         Handle MEM_REF.
16037         * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable):
16038         New.
16039         (mark_address_taken): Handle MEM_REF.
16040         (get_indirect_ref_operands): Pass through opf_not_non_addressable.
16041         (get_asm_expr_operands): Pass opf_not_non_addressable.
16042         (get_expr_operands): Handle opf_[not_]non_addressable.
16043         Handle MEM_REF.  Remove INDIRECT_REF handling.
16044         * tree-vrp.c (check_array_ref): Handle MEM_REF.
16045         (search_for_addr_array): Likewise.
16046         (check_array_bounds): Likewise.
16047         (vrp_stmt_computes_nonzero): Adjust for MEM_REF.
16048         * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF.
16049         (ref_always_accessed_p): Likewise.
16050         (gen_lsm_tmp_name): Likewise.  Handle ADDR_EXPR.
16051         * tree-complex.c (extract_component): Do not handle INDIRECT_REF.
16052         Handle MEM_REF.
16053         * cgraphbuild.c (mark_load): Properly check for NULL result
16054         from get_base_address.
16055         (mark_store): Likewise.
16056         * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF.
16057         * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF
16058         handling for MEM_REF.
16059         * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle
16060         &MEM[ptr + CST] similar to POINTER_PLUS_EXPR.
16061         * builtins.c (stabilize_va_list_loc): Use the function ABI
16062         valist type if we couldn't canonicalize the argument type.
16063         Always dereference with the canonical va-list type.
16064         (maybe_emit_free_warning): Handle MEM_REF.
16065         (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding
16066         memmove to memcpy.
16067         * builtins.c (fold_builtin_memory_op): Use ref-all types
16068         for all memcpy foldings.
16069         * omp-low.c (build_receiver_ref): Adjust for MEM_REF.
16070         (build_outer_var_ref): Likewise.
16071         (scan_omp_1_op): Likewise.
16072         (lower_rec_input_clauses): Likewise.
16073         (lower_lastprivate_clauses): Likewise.
16074         (lower_reduction_clauses): Likewise.
16075         (lower_copyprivate_clauses): Likewise.
16076         (expand_omp_atomic_pipeline): Likewise.
16077         (expand_omp_atomic_mutex): Likewise.
16078         (create_task_copyfn): Likewise.
16079         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF.
16080         Remove old union trick.  Initialize constant offsets.
16081         (ao_ref_init_from_vn_reference): Likewise.  Do not handle
16082         INDIRECT_REF.  Init base_alias_set properly.
16083         (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF.
16084         (vn_reference_fold_indirect): Adjust for MEM_REFs.
16085         (valueize_refs): Fold MEM_REFs.  Re-evaluate constant offset
16086         for ARRAY_REFs.
16087         (may_insert): Remove.
16088         (visit_reference_op_load): Do not test may_insert.
16089         (run_scc_vn): Remove parameter, do not fiddle with may_insert.
16090         * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
16091         a field to store the constant offset this op applies.
16092         (run_scc_vn): Adjust prototype.
16093         * cgraphunit.c (thunk_adjust): Adjust for MEM_REF.
16094         * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with
16095         MEM_REF.  Propagate &foo + CST as &MEM[&foo, CST].  Do not
16096         bother about volatile qualifiers on pointers.
16097         (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF.
16098         * tree-ssa-loop-ivopts.c
16099         * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF.
16100         (strip_offset_1): Likewise.
16101         (find_interesting_uses_address): Replace INDIRECT_REF handling with
16102         MEM_REF handling.
16103         (get_computation_cost_at): Likewise.
16104         * ipa-pure-const.c (check_op): Handle MEM_REF.
16105         * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF.
16106         * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF
16107         and constants.
16108         * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF.
16109         * tree-parloops.c (take_address_of): Adjust for MEM_REF.
16110         (eliminate_local_variables_1): Likewise.
16111         (create_call_for_reduction_1): Likewise.
16112         (create_loads_for_reductions): Likewise.
16113         (create_loads_and_stores_for_name): Likewise.
16114         * matrix-reorg.c (may_flatten_matrices_1): Sanitize.
16115         (ssa_accessed_in_tree): Handle MEM_REF.
16116         (ssa_accessed_in_assign_rhs): Likewise.
16117         (update_type_size): Likewise.
16118         (analyze_accesses_for_call_stmt): Likewise.
16119         (analyze_accesses_for_assign_stmt): Likewise.
16120         (transform_access_sites): Likewise.
16121         (transform_allocation_sites): Likewise.
16122         * tree-affine.c (tree_to_aff_combination): Handle MEM_REF.
16123         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
16124         not handle INDIRECT_REF.
16125         * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF.
16126         (cond_store_replacement): Likewise.
16127         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
16128         MEM_REF, no not handle INDIRECT_REFs.
16129         (insert_into_preds_of_block): Properly initialize avail.
16130         (phi_translate_1): Fold MEM_REFs.  Re-evaluate constant offset
16131         for ARRAY_REFs.  Properly handle reference lookups that
16132         require a bit re-interpretation.
16133         (can_PRE_operation): Do not handle INDIRECT_REF.  Handle MEM_REF.
16134         * tree-sra.c (build_access_from_expr_1): Handle MEM_REF.
16135         (build_ref_for_offset_1): Remove.
16136         (build_ref_for_offset): Build MEM_REFs.
16137         (gate_intra_sra): Disable for now.
16138         (sra_ipa_modify_expr): Handle MEM_REF.
16139         (ipa_early_sra_gate): Disable for now.
16140         * tree-sra.c (create_access): Swap INDIRECT_REF handling for
16141         MEM_REF handling.
16142         (disqualify_base_of_expr): Likewise.
16143         (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for
16144         MEM_REF handling.
16145         (sra_ipa_modify_expr): Remove INDIRECT_REF handling.
16146         Use mem_ref_offset.  Remove bogus folding.
16147         (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA.
16148         (make_fancy_name_1): Add support for MEM_REF.
16149         * tree-predcom.c (ref_at_iteration): Handle MEM_REFs.
16150         * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF.
16151         * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF.
16152         (compute_complex_ancestor_jump_func): Likewise.
16153         (ipa_analyze_virtual_call_uses): Likewise.
16154         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace
16155         INDIRECT_REF folding with more generalized MEM_REF folding.
16156         (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly.
16157         (forward_propagate_addr_into_variable_array_index): Also handle
16158         &ARRAY + I in addition to &ARRAY[0] + I.
16159         * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF.
16160         * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that
16161         creates assignments with overlap.
16162         * tree-nested.c (get_static_chain): Adjust for MEM_REF.
16163         (get_frame_field): Likewise.
16164         (get_nonlocal_debug_decl): Likewise.
16165         (convert_nonlocal_reference_op): Likewise.
16166         (struct nesting_info): Add mem_refs pointer-set.
16167         (create_nesting_tree): Allocate it.
16168         (convert_local_reference_op): Insert to be folded mem-refs.
16169         (fold_mem_refs): New function.
16170         (finalize_nesting_tree_1): Perform defered folding of mem-refs
16171         (free_nesting_tree): Free the pointer-set.
16172         * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF.
16173         (vectorizable_load): Likewise.
16174         * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF.
16175         (propagate_with_phi): Likewise.
16176         * tree-object-size.c (addr_object_size): Handle MEM_REFs
16177         instead of INDIRECT_REFs.
16178         (compute_object_offset): Handle MEM_REF.
16179         (plus_stmt_object_size): Handle MEM_REF.
16180         (collect_object_sizes_for): Dispatch to plus_stmt_object_size
16181         for &MEM_REF.
16182         * tree-flow.h (get_addr_base_and_unit_offset): Declare.
16183         (symbol_marked_for_renaming): Likewise.
16184         * Makefile.in (tree-dfa.o): Add $(TOPLEV_H).
16185         (fold-const.o): Add $(TREE_FLOW_H).
16186         * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF.
16187         (find_func_clobbers): Likewise.
16188         * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF.
16189         (decompose_access): Likewise.
16190         (replace_field_acc): Likewise.
16191         (replace_field_access_stmt): Likewise.
16192         (insert_new_var_in_stmt): Likewise.
16193         (get_stmt_accesses): Likewise.
16194         (reorg_structs_drive): Disable.
16195         * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF.
16196         (ix86_canonical_va_list_type): Likewise.
16197
16198 2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>
16199
16200         PR other/44566
16201         * coretypes.h [!USED_FOR_TARGET] (reg_class_t): Define.
16202         * target.def (struct gcc_target): Replace enum reg_class with
16203         reg_class_t in hook argument / return types.
16204         * doc/tm.texi.in (TARGET_SECONDARY_RELOAD): Likewise.
16205         (TARGET_IRA_COVER_CLASSES, TARGET_MEMORY_MOVE_COST): Likewise.
16206         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Likewise.
16207         * targhooks.h (default_branch_target_register_class): Likewise.
16208         (default_ira_cover_classes, default_secondary_reload): Likewise.
16209         (default_memory_move_cost, default_register_move_cost): Likewise.
16210         * targhooks.c (default_branch_target_register_class): Likewise.
16211         (default_ira_cover_classes, default_secondary_reload): Likewise.
16212         (default_memory_move_cost, default_register_move_cost): Likewise.
16213         * reload.c (push_secondary_reload, secondary_reload_class): Likewise.
16214         * bt-load.c (branch_target_load_optimize): Likewise.
16215         * ira.c (setup_cover_and_important_classes): Likewise.
16216         * ira-costs.c (copy_cost): Likewise.
16217         * reload1.c (emit_input_reload_insns): Likewise.
16218         * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
16219         * config/frv/frv.c (frv_secondary_reload): Likewise.
16220         * config/s390/s390.c (s390_secondary_reload): Likewise.
16221         * config/i386/i386.c (i386_ira_cover_classes): Likewise.
16222         (ix86_secondary_reload, ix86_memory_move_cost): Likewise.
16223         (ix86_register_move_cost): Likewise.
16224         * config/sh/sh-protos.h (sh_secondary_reload): Likewise.
16225         * config/sh/sh.c (sh_target_reg_class, sh_secondary_reload): Likewise.
16226         * config/xtensa/xtensa.c (xtensa_secondary_reload): Likewise.
16227         * config/xtensa/xtensa-protos.h (xtensa_secondary_reload): Likewise.
16228         * config/rs6000/rs6000.c (rs6000_secondary_reload): Likewise.
16229         (rs6000_ira_cover_classes): Likewise.
16230         * config/picochip/picochip.c (picochip_secondary_reload): Likewise.
16231         * config/picochip/picochip-protos.h (picochip_secondary_reload):
16232         Likewise.
16233         * config/pa/pa.c (pa_secondary_reload): Likewise.
16234         * config/mips/mips.c (mips_ira_cover_classes): Likewise.
16235         * config/bfin/bfin.c (bfin_secondary_reload): Likewise.
16236         * config/ia64/ia64.c (ia64_register_move_cost): Likewise.
16237         * doc/tm.texi: Regenerate.
16238
16239 2010-06-30  Sebastian Pop  <sebastian.pop@amd.com>
16240
16241         PR bootstrrap/44726
16242         * graphite-sese-to-poly.c (build_poly_dr): Avoid uninitialized
16243         use.
16244         (build_alias_set_optimal_p): Likewise.
16245         (build_base_obj_set_for_drs): Likewise.
16246
16247 2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>
16248
16249         * target.def: Remove comment about licensing problems of function
16250         declarations.
16251
16252         * target.def (declare_constant_name): Change exp to expr.  Use DEFHOOK.
16253         * doc/tm.texi.in (TARGET_ASM_DECLARE_CONSTANT_NAME): Use @hook.
16254         * doc/tm.texi: Regenerate.
16255
16256         * target.def (builtin_reciprocal): Change tm_fn to md_fn.  Use DEFHOOK.
16257         * doc/tm.texi.in (TARGET_BUILTIN_RECIPROCAL): Use @hook.
16258
16259         * target.def (enum_va_list_p): Use DEFHOOK.
16260         * doc/tm.texi.in (TARGET_ENUM_VA_LIST_P): Use @hook.
16261         Rename ptype to ptree.
16262         * doc/tm.texi: Regenerate.
16263
16264         * target.def (fold_builtin): Rename nargs to n_args.  Use DEFHOOK.
16265         * doc/tm.texi.in (TARGET_FOLD_BUILTIN): Use @hook.
16266         * doc/tm.texi: Regenerate.
16267
16268         * target.def (memory_move_cost): Use DEFHOOK.
16269         * doc/tm.texi.in (TARGET_MEMORY_MOVE_COST): Use @hook.
16270         Rename regclass AKA class to rclass.
16271         * doc/tm.texi: Regenerate.
16272
16273         * target.def (pragma_parse): Use DEFHOOK.
16274         * doc/tm.texi.in (TARGET_OPTION_PRAGMA_PARSE): Use @hook.
16275         s/TARGET_VALID_OPTION_ATTRIBUTE_P/TARGET_OPTION_VALID_ATRIBUTE_P/ .
16276         * doc/tm.texi: Regenerate.
16277
16278         * target.def (pass_by_reference): Use DEFHOOK.
16279         * doc/tm.texi.in (TARGET_PASS_BY_REFERENCE): Use @hook.
16280         * doc/tm.texi: Regenerate.
16281
16282         * target.def (resolve_overloaded_builtin): Rename params to arglist.
16283         Use DEFHOOK.
16284         * doc/tm.texi.in (TARGET_RESOLVE_OVERLOADED_BUILTIN): Use @hook.
16285         * doc/tm.texi: Regenerate.
16286
16287         * target.def (return_pops_args): Use DEFHOOK.
16288         * doc/tm.texi.in (TARGET_RETURN_POPS_ARGS): Use @hook.
16289         Rename stack-size to size.
16290         * doc/tm.texi: Regenerate.
16291
16292         * target.def (dfa_new_cycle): Use DEFHOOK.  Rename dump_file to dump,
16293         last-sched_cycle to last_clock, cur_cycle to clock.
16294         * doc/tm.texi.in: Use @hook.
16295         * doc/tm.texi: Regenerate.
16296
16297         * target.def (print_operand, print_operand_address): Update comment.
16298         (print_operand_punct_valid_p): Likewise.
16299
16300 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16301
16302         * toplev.h (_fatal_insn_not_found, _fatal_insn): Move declarations
16303         to rtl.h.
16304         (error_for_asm, warning_for_asm): Move declarations to rtl-error.h.
16305         * rtl.h (_fatal_insn_not_found, _fatal_insn): Move declarations here.
16306         * rtl-error.h: New.
16307         * regrename.c: Do not include toplev.h. Include rtl-error.h.
16308         * rtl-error.c: Likewise.
16309         * reload.c: Likewise.
16310         * recog.c:  Likewise.
16311         * sel-sched.c: Likewise.
16312         * function.c: Likewise.
16313         * reg-stack.c: Likewise.
16314         * cfgrtl.c: Likewise.
16315         * reload1.c: Likewise.
16316         * final.c: Include rtl-error.
16317         * Makefile.in: Adjust dependencies.
16318
16319 2010-06-30  Jan Hubicka  <jh@suse.cz>
16320
16321         PR middle-end/PR44706
16322         * ipa-split (split_function): Refine conditions when to use DECL_RESULT
16323         to return the value.
16324
16325 2010-06-30  Michael Matz  <matz@suse.de>
16326
16327         PR bootstrap/44699
16328         * tree-vrp.c (vrp_finalize): Deal with changing num_ssa_names.
16329         * gimple-fold.c (gimplify_and_update_call_from_tree): If LHS is
16330         a gimple reg, attach the original VDEF to the last store in the
16331         sequence.
16332
16333 2010-06-30  Iain Sandoe  <iains@gcc.gnu.org>
16334
16335         PR other/44034
16336         * config/darwin.c (darwin_override_options): Use renamed
16337         targetm.asm_out.emit_unwind_label.
16338
16339 2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>
16340
16341         PR tree-optimization/39799
16342         * tree-inline.c (remap_ssa_name): Initialize variable only if
16343         SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
16344
16345 2010-06-30  Nathan Froyd  <froydnj@codesourcery.com>
16346
16347         * c-parser.c (c_parser_omp_for_loop): Use a VEC for for_block.
16348
16349 2010-06-30  Richard Guenther  <rguenther@suse.de>
16350
16351         PR target/44722
16352         * config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
16353         against oscillation with reverse peephole2.
16354
16355 2010-06-30  H.J. Lu  <hongjiu.lu@intel.com>
16356
16357         PR target/44721
16358         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
16359         Fix last commit.
16360
16361 2010-06-30  Nick Clifton  <nickc@redhat.com>
16362
16363         * config/rx/rx-modes.def: New file.
16364         * config/rx/rx.h (FIRST_PSEUDO_REGISTER): Increase to 17.
16365         (CC_REGNUM): Define.
16366         (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add cc
16367         register.
16368         (CC_NO_CARRY, NOTICE_UPDATE_CC): Delete.
16369         (SELECT_CC_MODE): Define.
16370         * config/rx/rx.md (CC_REG): Define.  Update all patterns to use
16371         (reg:CC CC_REG) instead of (cc0).
16372         (attr "cc"): Delete.
16373         (cbranchsi4): Do not split compare and branch here. Instead move
16374         it to...
16375         (cbranchsi4_<code>): ... here.  New patterns.
16376         (cmpsi): Call rx-compare_redundant to find out if it is necessary
16377         to emit the compare instruction.
16378         * config/rx/rx.c (rx_gen-cond_branch_template): Remove tests of
16379         cc_status flags.
16380         (rx_get_stack_layout): Iterate up to before CC_REGNUM not
16381         FIRST_PSEUDO_REGNUM.
16382         (rx_expand_prologue, rx_expand_epilogue): Likewise.
16383         (rx_notice_update_cc): Delete.
16384         (rx_cc_modes_compatible): New function.
16385         (flags_needed_for_conditional): New function.
16386         (flags_from_mode): New function.
16387         (rx_compare_redundant): New function - scans backwards through
16388         insn list to find out if condition flags are already set correctly.
16389         (TARGET_CC_MODES_COMPATIBLE): Define.
16390         * config/rx/rx-protos.h (rx_compare_redundant): Prototype.
16391
16392         * config/rx/rx.h (BRANCH_COST): Define.
16393         (REGISTER_MOVE_COST): Define.
16394         * config/rx/predicates (rx_source_operand): Allow all constant types.
16395         * config/rx/rx.md (addsi3): Add alternative for swapped operands.
16396         (tstsi4): New pattern.
16397         * config/rx/rx.c (rx_memory_move_cost): Define.
16398         (TARGET_MEMORY_MOVE_COST): Define.
16399
16400 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16401
16402         * tree.h (block_may_fallthru): Declare here.
16403         * tree-flow.h (block_may_fallthru): Do not declare here.
16404         * c-typeck.c: Do not include tree-flow.h. Include gimple.h and
16405         bitmap.h
16406         * Makefile.in (c-typeck.o): Update dependencies.
16407
16408 2010-06-30  Jakub Jelinek  <jakub@redhat.com>
16409
16410         PR debug/44694
16411         * cselib.h (cselib_preserve_cfa_base_value): Add regno argument.
16412         * cselib.c (cfa_base_preserved_regno): New static variable.
16413         (cselib_reset_table): Don't reset cfa_base_preserved_regno instead
16414         of REGNO (cfa_base_preserved_val->locs->loc).
16415         (cselib_preserve_cfa_base_value): Add regno argument, set
16416         cfa_base_preserved_regno to it.
16417         (cselib_invalidate_regno): Allow removal of registers other than
16418         cfa_base_preserved_regno from cfa_base_preserved_val.
16419         (cselib_finish): Set cfa_base_preserved_regno to INVALID_REGNUM.
16420         * var-tracking.c (adjust_mems): Replace sp or hfp even outside
16421         of MEM addresses, if not on LHS.
16422         (reverse_op): Don't add reverse ops for cfa_base_rtx.
16423         (vt_init_cfa_base): Adjust cselib_preserve_cfa_base_value caller.
16424
16425 2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>
16426
16427         * recog.c (peep2_do_rebuild_jump_labels, peep2_do_cleanup_cfg): New
16428         static variables.
16429         (peep2_buf_position): New static function.
16430         (peep2_regno_dead_p, peep2_reg_dead_p, peep2_find_free_register,
16431         peephole2_optimize): Use it.
16432         (peep2_attempt, peep2_update_life): New static functions, broken out
16433         of peephole2_optimize.
16434         (peep2_fill_buffer): New static function.
16435         (peephole2_optimize): Change the main loop to try to fill the buffer
16436         with the maximum number of insns before matching them against
16437         peepholes.  Use a forward scan.  Remove special case for targets with
16438         conditional execution.
16439         * genrecog.c (change_state): Delete dead code.
16440         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
16441         Rewrite so as not to expect the second insn to have had a peephole
16442         applied yet.
16443
16444 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
16445
16446         * genhooks.c (emit_findices): Cast field precision to int.
16447         (emit_documentation): Likewise.
16448
16449 2010-06-29  Jakub Jelinek  <jakub@redhat.com>
16450
16451         PR tree-optimization/43801
16452         * cgraph.c (cgraph_create_virtual_clone): Clear DECL_SECTION_NAME
16453         if old_decl was DECL_ONE_ONLY.
16454
16455         PR debug/44668
16456         * dwarf2out.c (add_accessibility_attribute): New function.
16457         (gen_subprogram_die, gen_variable_die, gen_field_die): Use it
16458         instead of adding DW_AT_accessibility manually.
16459         (gen_enumeration_type_die, gen_struct_or_union_type_die,
16460         gen_typedef_die): Use it.
16461
16462 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
16463
16464         * vmsdbgout.c (full_name): Just output the file name if not native.
16465
16466 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
16467
16468         * vmsdbgout.c (func_table): Replace with VEC func{nam,num}_tables.
16469         (funcnam_table): New static table.
16470         (funcnum_table): New static table.
16471         (write_rtnbeg): Write value saved in funcnum_table.
16472         (write_rtnend): Write value saved in funcnum_table.
16473         (vmsdbgout_begin_function): Save current function info in
16474         (vmsdbgout_init): Initialize func{nam,num}_tables. Minor reformatting.
16475         (vmsdbgout_finish): Iterate over funcnum_table.
16476
16477 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
16478
16479         * vmsdbgout.c (vmsdbgout_begin_epilogue): Declare
16480         (vmsdbgout_type_decl): Declare
16481         (vmsdbg_debug_hooks): Add entry for type_decl and begin_epilogue.
16482         (FUNC_EPILOGUE_LABEL): New macro
16483         (vmsdbgout_begin_epilogue): New function.
16484         (vmsdbgout_type_decl): New function.
16485
16486 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
16487
16488         * vmsdbg.h: Update copyright.
16489
16490 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
16491
16492         * vmsdbg.h (DST_K_TBG): New DST constant.
16493         * vmsdbgout.c (addr_const_to_string): Removed, not referenced.
16494         (write_modbeg): Cast module_language to avoid warning.
16495         (write_rtnbeg): Use DST_K_TBG vice magic mystery number.
16496
16497 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
16498
16499         PR other/44034
16500         * target.def, doc/tm.texi.in, genhooks.c: New files.
16501         * target.h: Instead of defining individual hook members,
16502         define DEFHOOKPOD / DEFHOOK / DEFHOOK_UNDOC / HOOKSTRUCT and
16503         include target.def.
16504         * target-def.h: Instead of defining individual hook initializers,
16505         include target-hooks-def.h.
16506         * df-scan.c, haifa-sched.c, sel-sched.c: Rename targetm members:
16507         targetm.live_on_entry -> targetm.extra_live_on_entry
16508         targetm.sched.md_finish ->targetm.sched.finish
16509         targetm.sched.md_init -> targetm.sched.init
16510         targetm.sched.md_init_global -> targetm.sched.init_global
16511         targetm.asm_out.unwind_label -> targetm.asm_out.emit_unwind_label
16512         targetm.asm_out.except_table_label ->
16513           targetm.asm_out.emit_except_table_label
16514         targetm.asm_out.visibility -> targetm.asm_out.assemble_visibility
16515         targetm.target_help -> targetm.help
16516         targetm.vectorize.builtin_support_vector_misalignment ->
16517           targetm.vectorize.support_vector_misalignment
16518         targetm.file_start_app_off -> targetm.asm_file_start_app_off
16519         targetm.file_start_file_directive ->
16520          targetm.asm_file_start_file_directive
16521         * dwarf2out.c, opts.c, tree-vect-data-refs.c, except.c: Likewise.
16522         * varasm.c, config/alpha/alpha.c, config/cris/cris.c: Likewise.
16523         * config/spu/spu.c, config/ia64/ia64.c: Rename target macros:
16524         TARGET_VECTOR_ALIGNMENT_REACHABLE ->
16525           TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE
16526         TARGET_SUPPORT_VECTOR_MISALIGNMENT ->
16527           TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT
16528         TARGET_UNWIND_EMIT -> TARGET_ASM_UNWIND_EMIT
16529         * config/rs6000/rs6000.c, config/arm/arm.c: Likewise.
16530         * Makefile.in (TARGET_H): Depend on target.def.
16531         (TARGET_DEF_H): Depend on target-hooks-def.h.
16532         (target-hooks-def.h, tm.texi, s-target-hooks-def-h): New rules.
16533         (s-tm-texi, build/genhooks.o, build/genhooks): Likewise.
16534         * doc/tm.texi: Regenerate.
16535
16536         * Makefile.in (s-tm-texi): Remove stray tab / rule.
16537
16538         * config/m68k/m68k.c (targetm.sched.init_global): Update comment.
16539         (targetm.sched.init): Likewise.
16540
16541 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
16542
16543         PR bootstrap/44713
16544         * config/i386/i386.c (type_natural_mode): Const-ify CUM parameter.
16545         (function_arg_advance_32): Const-ify TYPE parameter.
16546         (function_arg_advance_64): Likewise.  Change type of NAMED to bool.
16547         (ix86_function_arg_advance): Change type of NAMED to bool.
16548         (function_arg_32): Const-ify CUM and TYPE parameters.
16549         (function_arg_64): Likewise.  Change type of NAMED to bool.
16550         (function_arg_ms_64): Const-ify CUM parameter. Change type of NAMED
16551         to bool.
16552         (ix86_function_arg): Change type of NAMED to bool.
16553         (ix86_setup_incoming_varargs): Call ix86_function_arg_advance.  Pass
16554         last argument as a bool.
16555
16556 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
16557
16558         * doc/tm.texi (TARGET_OPTION_OVERRIDE): Document.
16559         (OVERRIDE_OPTIONS): Add note of obsolescence.
16560         Replace references with references to TARGET_OPTION_OVERRIDE.
16561         (Except for C_COMMON_OVERRIDE_OPTIONS, which remains similar to
16562          the macro).
16563         * targhooks.c (default_target_option_override): New function.
16564         * targhooks.h (default_target_option_override): Declare.
16565         * target.h (struct gcc_target): Add override member to
16566         target_option member.
16567         * toplev.c (process_options): Replace OVERRIDE_OPTIONS use with
16568         targetm.target_option.override call.
16569         * target-def.h (TARGET_OPTION_OVERRIDE): Define.
16570         (TARGET_OPTION_HOOKS): Add TARGET_OPTION_OVERRIDE.
16571
16572 2010-06-29  Jan Hubicka  <jh@suse.cz>
16573
16574         * tree-inline.c: Replace incomming by incomin and clonning by cloning.
16575
16576 2010-06-29  Jan Hubicka  <jh@suse.cz>
16577
16578         * predict.c (propagate_freq): Clear EXIT_BLOCK_PTR frequency if it is
16579         unreachable.
16580         (rebuild_frequencies): New function.
16581         * predict.h (rebuild_frequencies): Declare.
16582         * tree-inline.c (copy_cfg_body): Compute properly count & frequency of
16583         entry block and edge reaching new_entry.
16584         (tree_function_versioning): When doing partial cloning, rebuild
16585         frequencies when done.
16586         * passes.c (execute_function_todo): Use rebild_frequencies.
16587
16588 2010-06-29  Richard Guenther  <rguenther@suse.de>
16589
16590         * tree-dfa.c (dump_variable): Remove noalias_state dumping.
16591         * tree-flow.h (enum noalias_state): Remove.
16592         (struct var_ann_d): Remove noalias_state member.
16593
16594 2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>
16595
16596         PR target/43902
16597         * config/arm/arm.md (maddsidi4, umaddsidi4): New expanders.
16598         (maddhisi4): Renamed from mulhisi3addsi.  Operands renumbered.
16599         (maddhidi4): Likewise.
16600
16601         Revert parts of the change for PR25130.
16602         * cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
16603         MEM_ALIAS_SET.
16604
16605 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
16606
16607         * calls.c, dse.c, expr.c, function.c: Call targetm.calls.function_arg,
16608         targetm.calls.function_incoming_arg, and
16609         targetm.calls.function_arg_advance instead of FUNCTION_ARG,
16610         FUNCTION_INCOMING_ARG, and FUNCTION_ARG_ADVANCE, respectively.
16611         * target.h (struct gcc_target): Add function_arg_advance,
16612         function_arg, and function_incoming_arg fields.
16613         * target-def.h (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG):
16614         (TARGET_FUNCTION_INCOMING_ARG): Define.
16615         (TARGET_CALLS): Add TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG,
16616         and TARGET_FUNCTION_INCOMING_ARG.
16617         * targhooks.h (default_function_arg_advance): Declare.
16618         (default_function_arg, default_function_incoming_arg): Declare.
16619         * targhooks.c (default_function_arg_advance): New function.
16620         (default_function_arg, default_function_incoming_arg): New function.
16621         * config/i386/i386.c (function_arg_advance): Rename to...
16622         (ix86_function_arg_advance): ...this.  Make static.
16623         (function_arg): Rename to...
16624         (ix86_function_arg): ...this.  Make static.
16625         (TARGET_FUNCTION_ARG_ADVANCE): Define.
16626         (TARGET_FUNCTION_ARG): Define.
16627         * config/i386/i386.h (FUNCTION_ARG_ADVANCE): Delete.
16628         (FUNCTION_ARG): Delete.
16629         * config/i386/i386-protos.h (function_arg_advance): Delete prototype.
16630         (function_arg): Delete prototype.
16631
16632 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
16633
16634         * reginfo.c (init_reg_sets_1): Adjust comments.
16635         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Likewise.
16636         * calls.c (prepare_call_address): Likewise.
16637         (emit_call_1): Use targetm.calls.return_pops_args.
16638         (expand_call): Likewise.
16639         * function.c (assign_parms): Likewise.
16640         * system.h (RETURN_POPS_ARGS): Add to #pragma poison list.
16641         * target.h (struct gcc_target) [struct calls]: Add
16642         return_pops_args field.
16643         * targhooks.h (default_return_pops_args): Declare.
16644         * targhooks.c (default_return_pops_args): Define.
16645         * target-def.h (TARGET_RETURN_POPS_ARGS): Define.
16646         (TARGET_CALLS): Add TARGET_RETURN_POPS_ARGS.
16647         * doc/tm.texi (RETURN_POPS_ARGS): Rename to...
16648         (TARGET_RETURN_POPS_ARGS): ...this.  Use deftypefn.  Adjust
16649         documentation.
16650         * config/alpha/alpha.h (RETURN_POPS_ARGS): Delete.
16651         * config/arc/arc.h (RETURN_POPS_ARGS): Likewise.
16652         * config/arm/arm.h (RETURN_POPS_ARGS): Likewise.
16653         * config/avr/avr.h (RETURN_POPS_ARGS): Likewise.
16654         * config/bfin/bfin.h (RETURN_POPS_ARGS): Likewise.
16655         * config/cris/cris.h (RETURN_POPS_ARGS): Likewise.
16656         * config/crx/crx.h (RETURN_POPS_ARGS): Likewise.
16657         * config/fr30/fr30.h (RETURN_POPS_ARGS): Likewise.
16658         * config/frv/frv.h (RETURN_POPS_ARGS): Likewise.
16659         * config/h8300/h8300.h (RETURN_POPS_ARGS): Likewise.
16660         * config/ia64/ia64.h (RETURN_POPS_ARGS): Likewise.
16661         * config/iq2000/iq2000.h (RETURN_POPS_ARGS): Likewise.
16662         * config/lm32/lm32.h (RETURN_POPS_ARGS): Likewise.
16663         * config/m32c/m32c.h (RETURN_POPS_ARGS): Likewise.
16664         * config/m32r/m32r.h (RETURN_POPS_ARGS): Likewise.
16665         * config/m68hc11/m68hc11.h (RETURN_POPS_ARGS): Likewise.
16666         * config/mcore/mcore.h (RETURN_POPS_ARGS): Likewise.
16667         * config/mep/mep.h (RETURN_POPS_ARGS): Likewise.
16668         * config/mips/mips.h (RETURN_POPS_ARGS): Likewise.
16669         * config/mmix/mmix.h (RETURN_POPS_ARGS): Likewise.
16670         * config/mn10300/mn10300.h (RETURN_POPS_ARGS): Likewise.
16671         * config/moxie/moxie.h (RETURN_POPS_ARGS): Likewise.
16672         * config/pa/pa.h (RETURN_POPS_ARGS): Likewise.
16673         * config/pdp11/pdp11.h (RETURN_POPS_ARGS): Likewise.
16674         * config/picochip/picochip.h (RETURN_POPS_ARGS): Likewise.
16675         * config/rs6000/rs6000.h (RETURN_POPS_ARGS): Likewise.
16676         * config/rx/rx.h (RETURN_POPS_ARGS): Likewise.
16677         * config/s390/s390.h (RETURN_POPS_ARGS): Likewise.
16678         * config/score/score.h (RETURN_POPS_ARGS): Likewise.
16679         * config/sh/sh.h (RETURN_POPS_ARGS): Likewise.
16680         * config/sparc/sparc.h (RETURN_POPS_ARGS): Likewise.
16681         * config/spu/spu.h (RETURN_POPS_ARGS): Likewise.
16682         * config/stormy16/stormy16.h (RETURN_POPS_ARGS): Likewise.
16683         * config/v850/v850.h (RETURN_POPS_ARGS): Likewise.
16684         * config/xtensa/xtensa.h (RETURN_POPS_ARGS): Likewise.
16685         * config/i386/i386-protos.h (ix86_return_pops_args): Delete.
16686         * config/i386/i386.h (RETURN_POPS_ARGS): Delete.
16687         * config/i386/i386.c (ix86_return_pops_args): Make static.
16688         Constify arguments.
16689         (TARGET_RETURN_POPS_ARGS): Define.
16690         * config/m68k/m68k.h (RETURN_POPS_ARGS): Move to...
16691         * config/m68k/m68k.c (m68k_return_pops_args): ...here.  New function.
16692         (TARGET_RETURN_POPS_ARGS): Define.
16693         * config/vax/vax.h (RETURN_POPS_ARGS): Move to...
16694         * config/vax/vax.c (vax_return_pops_args): ...here.  New function.
16695         (TARGET_RETURN_POPS_ARGS): Define.
16696
16697 2010-06-29  Richard Guenther  <rguenther@suse.de>
16698
16699         PR middle-end/44667
16700         * tree-inline.c (initialize_inlined_parameters): Make sure
16701         to remap the inlined parameter variable substitutions types.
16702
16703 2010-06-29  Eric Botcazou  <ebotcazou@adacore.com>
16704
16705         PR rtl-optimization/44659
16706         * combine.c (make_compound_operation) <SUBREG>: Do not return the
16707         result of force_to_mode if it partially re-expanded the compound.
16708
16709 2010-06-28  Jan Hubicka  <jh@suse.cz>
16710
16711         PR middle-end/44671
16712         * ipa-split.c (test_nonssa_use, mark_nonssa_use): Check also uses of
16713         RESULT_DECL.
16714
16715 2010-06-28  Anatoly Sokolov  <aesok@post.ru>
16716
16717         * double-int.h (force_fit_type_double): Remove declaration.
16718         * double-int.c (force_fit_type_double): Move to tree.c.
16719         * tree.h (force_fit_type_double): Declare.
16720         * tree.h (force_fit_type_double): Moved from double-int.c. Use
16721         double_int type for 'cst' argument. Use double_int_fits_to_tree_p and
16722         double_int_to_tree instead of fit_double_type and build_int_cst_wide.
16723         * convert.c (convert_to_pointer): Adjust call to
16724         force_fit_type_double.
16725         * tree-vrp.c (extract_range_from_assert,
16726         extract_range_from_unary_expr): Adjust call to force_fit_type_double.
16727         * fold-const.c: Update comment.
16728         (int_const_binop, fold_convert_const_int_from_int,
16729         fold_convert_const_int_from_real, fold_convert_const_int_from_fixed,
16730         extract_muldiv_1, fold_div_compare, fold_sign_changed_comparison,
16731         fold_unary_loc, fold_negate_const, fold_abs_const, fold_not_const,
16732         round_up_loc): Adjust call to force_fit_type_double.
16733
16734 2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
16735
16736         * config/rs6000/rs6000.h (PROCESSOR_TITAN): Declare.
16737
16738 2010-06-28  Martin Jambor  <mjambor@suse.cz>
16739
16740         * tree-sra.c (convert_callers): New parameter, change fndecls of
16741         recursive calls.
16742         (modify_function): Pass the old decl to convert_callers.
16743
16744 2010-06-28  Martin Jambor  <mjambor@suse.cz>
16745
16746         * ipa-cp.c (ipcp_init_cloned_node): Replace calls to
16747         ipa_check_create_node_params and ipa_initialize_node_params with
16748         checking asserts they are not necessary.
16749
16750 2010-06-28  Jan Hubicka  <jh@suse.cz>
16751
16752         PR tree-optimization/44687
16753         * ipa-split.c (split_function): Use DECL_RESULT to store return value.
16754
16755 2010-06-28  Martin Jambor  <mjambor@suse.cz>
16756
16757         PR c++/44535
16758         * gimple-fold.c (get_first_base_binfo_with_virtuals): New function.
16759         (gimple_get_relevant_ref_binfo): Use get_first_base_binfo_with_virtuals
16760         instead of BINFO_BASE_BINFO.
16761
16762 2010-06-28  Michael Matz  <matz@suse.de>
16763
16764         PR middle-end/44592
16765         * gimple-fold.c (gimplify_and_update_call_from_tree): Maintain
16766         proper VDEF chain for intermediate stores in the sequence.
16767
16768 2010-06-28  Jan Hubicka  <jh@suse.cz>
16769
16770         PR tree-optimization/44357
16771         * ipa-inline.c (add_new_edges_to_heap): Do not add edges to
16772         uninlinable functions.
16773
16774 2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
16775
16776         * config.gcc (powerpc*-*-*): Handle titan.
16777         * config/rs6000/rs6000.c (titan_cost): New costs.
16778         (rs6000_override_options): Add "titan" to processor_target_table.
16779         Add Titan to branch alignment logic.
16780         Correctly set rs6000_cost for titan.
16781         * config/rs6000/rs6000.md (cpu): Add titan.  Include "titan.md".
16782         * config/rs6000/titan.md: New file.
16783         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=titan.
16784
16785 2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>
16786
16787         * tree-browser.c (TB_history_stack): Convert to a VEC.
16788         (TB_SET_HEAD): Adjust for new type of TB_history_stack.
16789         (TB_history_prev): Likewise.
16790
16791 2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>
16792
16793         * vec.h (vec_heap_free): Add parentheses around free.
16794
16795 2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>
16796
16797         * system.h: Poison GCC_EXCEPT_H for front-end files.
16798
16799         * langhooks.h (struct lang_hooks): Add eh_protect_cleanup_actions
16800         langhook.
16801         * langhooks-def.h (LANG_HOOKS_EH_PROTECT_CLEANUP_ACTIONS) New.
16802         Define to NULL by default.
16803         * except.h: Define GCC_EXCEPT_H.
16804         (doing_eh): Remove prototype.
16805         (init_eh, init_eh_for_function): Move prototypes to toplev.h.
16806         (lang_protect_cleanup_actions): Remove.
16807         * except.c (lang_protect_cleanup_actions): Remove.
16808         (doing_eh): Remove.
16809         (gen_eh_region): Don't check doing_eh here.
16810         * toplev.h (init_eh, init_eh_for_function_): Moved from except.h.
16811         * tree-eh.c (honor_protect_cleanup_actions): Use new langhook
16812         instead of lang_protect_cleanup_actions.
16813         * omp-low.c (maybe_catch_exception): Likewise.
16814         * Makefile.in: Update dependencies.
16815
16816 2010-06-28  Bingfeng Mei  <bmei@broadcom.com>
16817
16818         * cgraph.h (struct varpool_node): new used_from_object_file flag.
16819         (struct cgraph_local_info): new used_from_object_file flag.
16820         * cgraph.c (dump_cgraph_node): dump used_from_object_file flag.
16821         (cgraph_clone_node): initialize used_from_object_file.
16822         (cgraph_create_virtual_clone): initialize used_from_object_file.
16823         * lto-symbtab.c (lto_symtab_merge_decls_1): Set
16824         used_from_object_file flags for symbols of LDPR_PREVAILING_DEF
16825         when compiling with -fwhole-program.
16826         (lto_symtab_resolve_symbols) Use LDPR_PREVAILING_DEF_IRONLY for
16827         internal resolver.
16828         * ipa.c (function_and_variable_visibility): Set externally_visible
16829         flag of varpool_node if used_from_object_file flag is set.
16830         (cgraph_externally_visible_p): check used_from_object_file flag.
16831         * doc/invoke.texi (-fwhole-program option): Change description of
16832         externally_visible attribute accordingly.
16833         * doc/extend.texi (externally_visible): Ditto.
16834
16835 2010-06-27  Jan Hubicka  <jh@suse.cz>
16836
16837         * params.def (max-inline-insns-auto): Default to 40.
16838         * doc/invoke.texi (max-inline-insns-auto): Document the change.
16839
16840 2010-06-27  Jan Hubicka  <jh@suse.cz>
16841
16842         PR middle-end/44671
16843         PR middle-end/44686
16844         * tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
16845         signature change.
16846         * ipa-split.c (split_function): Always clear DECL_BUILT_IN.
16847         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
16848
16849 2010-06-27  Anatoly Sokolov  <aesok@post.ru>
16850
16851         * target.h (struct gcc_target): Add register_move_cost field.
16852         * target-def.h (TARGET_REGISTER_MOVE_COST): New.
16853         (TARGET_INITIALIZER): Use TARGET_REGISTER_MOVE_COST.
16854         * targhooks.c (default_register_move_cost): New function.
16855         * targhooks.h (default_register_move_cost): Declare function.
16856         * defaults.h (REGISTER_MOVE_COST): Delete.
16857         * ira-int.h (ira_register_move_cost): Update comment.
16858         * ira.c (ira_register_move_cost): Update comment.
16859         * reload.h (register_move_cost): Declare.
16860         * reginfo.c (register_move_cost): New function.
16861         (move_cost): Update comment.
16862         (init_move_cost, memory_move_secondary_cost): Replace
16863         REGISTER_MOVE_COST with register_move_cost.
16864         * postreload.c (reload_cse_simplify_set): (Ditto.).
16865         * reload.c (find_valid_class, find_reloads): (Ditto.).
16866         * reload1.c (choose_reload_regs): (Ditto.).
16867         * doc/tm.texi (TARGET_REGISTER_MOVE_COST): New.
16868         (REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Update documentation.
16869         * doc/md.texi (can_create_pseudo_p): Update documentation.
16870
16871         * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
16872         * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
16873         * config/i386/i386.h (ix86_memory_move_cost): Make static.
16874         (TARGET_MEMORY_MOVE_COST): Define.
16875
16876         * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
16877         * config/ia64/ia64-protos.h (int ia64_memory_move_cost): Remove.
16878         * config/ia64/ia64.h (ia64_memory_move_cost): Make static.
16879         (TARGET_MEMORY_MOVE_COST): Define.
16880
16881 2010-06-27  Richard Guenther  <rguenther@suse.de>
16882
16883         PR tree-optimization/44683
16884         * tree-ssa-dom.c (record_edge_info): Record equivalences for the
16885         false edge from the inverted condition.
16886
16887 2010-06-27  Richard Guenther  <rguenther@suse.de>
16888
16889         PR middle-end/44684
16890         * tree-ssa-alias.c (refs_may_alias_p_1): Allow SSA name refs.
16891         (stmt_may_clobber_ref_p_1): Do not bother to call the oracle
16892         for register LHS.  Or non-store assignments.
16893
16894 2010-06-26  Eric Botcazou  <ebotcazou@adacore.com>
16895
16896         * config/sparc/sparc.c (sparc_emit_set_const32): Make static.
16897         (sparc_emit_set_const64): Likewise.  Remove disabled code.
16898         * config/sparc/sparc-protos.h (sparc_emit_set_const32): Delete.
16899         (sparc_emit_set_const64): Likewise.
16900
16901 2010-06-26  Catherine Moore  <clm@codesourcery.com>
16902
16903         * config/mips/mips.md (alu_type): New attribute.
16904         (type): Infer type from alu_type.
16905         (*add<mode>3, *add<mode>3_mips16, *addsi3_extended,
16906         *baddu_si_eb, *baddu_si_el, *baddu_di, sub<mode>3,
16907         *subsi3_extended, negsi2, negdi2, *low<mode>,
16908         *low<mode>_mips16, *ior<mode>3, *ior<mode>3_mips16,
16909         xor<mode>3, *nor<mode>3,
16910         *zero_extend<GPR:mode>_trunc<SHORT:mode>,
16911         *zero_extendhi_truncqi):  Set alu_type instead of type.
16912
16913 2010-06-26  Douglas B Rupp  <rupp@gnat.com>
16914
16915         * config/alpha/alpha.c (alpha_need_linkage): Adjust
16916         splay_tree_new_ggc call.
16917         (alpha_use_linkage): Likewise.
16918
16919 2010-06-26  Joseph Myers  <joseph@codesourcery.com>
16920
16921         * collect2.c (main): Remove SWITCHES_NEED_SPACES conditional.
16922         * doc/tm.texi (SWITCHES_NEED_SPACES): Don't document.
16923         * gcc.c (SWITCHES_NEED_SPACES, switches_need_spaces): Remove.
16924         (static_specs): Remove switches_need_spaces.
16925         (process_command, do_self_spec): Hardcode handling "-o" instead of
16926         checking switches_need_spaces.
16927         * system.h (SWITCHES_NEED_SPACES): Poison.
16928
16929 2010-06-26  Richard Guenther  <rguenther@suse.de>
16930
16931         PR tree-optimization/44393
16932         * tree-loop-distribution.c (generate_loops_for_partition): Fix
16933         stmt removal and VOP renaming.
16934         (generate_memset_zero): Remove redundant stmt updating.
16935         * tree-flow.h (mark_virtual_ops_in_bb): Remove.
16936         * tree-cfg.c (mark_virtual_ops_in_bb): Likewise.
16937
16938 2010-06-26  Jan Hubicka  <jh@suse.cz>
16939
16940         * ipa-split.c (consider_split): PHI in entry block is OK as long as all
16941         edges comming from header are equivalent.
16942         (visit_bb): Handle PHIs correctly.
16943         * tree-inline.c (copy_phis_for_bb): Be able to copy
16944         PHI from entry edge.
16945         (copy_cfg_body): Produce edge from entry BB before copying PHIs.
16946
16947 2010-06-26  Richard Guenther  <rguenther@suse.de>
16948
16949         PR middle-end/44674
16950         * tree-ssa-alias.c (refs_may_alias_p_1): Allow all kind of
16951         decls.  Handle LABEL_DECLs like FUNCTION_DECLs.
16952
16953 2010-06-26  Joseph Myers  <joseph@codesourcery.com>
16954
16955         * gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
16956         add_infile, alloc_switch): New.
16957         (process_command): Remove variable lang_n_infiles.  Process
16958         options in a single pass.  Use new functions for allocating
16959         infiles and switches arrays.  Properly skip operands of
16960         -Xpreprocessor and -Xassembler.
16961
16962 2010-06-26  Jan Hubicka  <jh@suse.cz>
16963
16964         PR middle-end/44671
16965         * cgraphunit.c (cgraph_function_versioning): Remove wrong
16966         cgraph_make_decl_local call; fix typo copying RTL data.
16967
16968 2010-06-25  DJ Delorie  <dj@redhat.com>
16969
16970         * config/m32c/m32c-protos.h (m32c_note_pragma_address): Declare.
16971         (m32c_output_aligned_common): Likewise.
16972         * config/m32c/m32c.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
16973         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
16974         * config/m32c/m32c-pragma.c (m32c_pragma_address): New.
16975         (m32c_register_pragmas): Register it.
16976         * config/m32c/m32c.c (m32c_get_pragma_address): New.
16977         (m32c_insert_attributes): Set #pragma address decls volatile.
16978         (pragma_entry_eq): New.
16979         (pragma_entry_hash): New.
16980         (m32c_note_pragma_address): New.
16981         (m32c_get_pragma_address): New.
16982         (m32c_output_aligned_common): New.
16983         * doc/extend.texi: Document the new pragma.
16984
16985         * config/m32c/m32c.c (m32c_illegal_subreg_p): Reject illegal MEMs
16986         also.
16987         * config/m32c/predicates.md (m32c_any_operand): Check the code
16988         instead of memory_operand so as to allow matching volatile MEMs.
16989         (m32c_nonimmediate_operand): Likewise.
16990         (mra_operand): Allow volatiles.
16991
16992 2010-06-25  Alexandre Oliva  <aoliva@redhat.com>
16993
16994         PR debug/44610
16995         * simplify-rtx.c (delegitimize_mem_from_attrs): Don't use a base
16996         address if the offset is unknown.
16997
16998 2010-06-25  Douglas B Rupp  <rupp@gnat.com>
16999
17000         * dwarf2out.c (dwarf2out_vms_debug_main_pointer): New function.
17001         * dwarf2out.h (dwarf2out_vms_debug_main_pointer): Declare new function.
17002         * config/ia64/ia64-protos.h (ia64_start_function): Declare.
17003         * config/ia64/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Move contents
17004         to ia64_start_function. Invoke it.
17005         * config/ia64/ia64.c (ia64_start_function): Call new function
17006         dwarf2out_vms_debug_main_pointer.
17007
17008 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
17009
17010         * tree-if-conv.c (insert_gimplified_predicates): Do not insert
17011         statements computing the true predicate.
17012
17013 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
17014
17015         * tree-if-conv.c (init_bb_predicate): Initialize the predicate
17016         to boolean_true_node.
17017         (reset_bb_predicate): New.
17018         (predicate_bbs): Call reset_bb_predicate.
17019
17020 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
17021
17022         * tree-if-conv.c (combine_blocks): Remove FIXME comment.
17023         (tree_if_conversion): Returns true when something has been changed.
17024         (main_tree_if_conversion): Return TODO_cleanup_cfg when if-conversion
17025         changed something.
17026
17027 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
17028
17029         * Makefile.in (tree-if-conv.o): Depends on DBGCNT_H.
17030         * dbgcnt.def (if_conversion_tree): New DEBUG_COUNTER.
17031         * tree-if-conv.c: Include dbgcnt.h.
17032         (tree_if_conversion): Use if_conversion_tree to count the number of
17033         if-convertible loops.
17034
17035 2010-06-25  Changpeng Fang  <changpeng.fang@amd.com>
17036
17037         * common.opt (fprefetch-loop-arrays): Re-define
17038         -fprefetch-loop-arrays as a tri-state option with the initial
17039         value of -1.
17040         * tree-ssa-loop.c (gate_tree_ssa_loop_prefetch): Invoke prefetch
17041         pass only when flag_prefetch_loop_arrays > 0.
17042         * toplev.c (process_options): Note that, with tri-states,
17043         flag_prefetch_loop_arrays>0 means prefetching is enabled.
17044         * config/i386/i386.c (override_options): Enable prefetching at -O3
17045         for a set of CPUs that sw prefetching is helpful.
17046         (software_prefetching_beneficial_p): New.  Return TRUE if software
17047         prefetching is beneficial for the given CPU.
17048
17049 2010-06-25  H.J. Lu  <hongjiu.lu@intel.com>
17050
17051         PR rtl-optimization/44326
17052         * implicit-zee.c (find_removable_zero_extends): Replace
17053         INSN_P with NONDEBUG_INSN_P.
17054
17055 2010-06-25  Martin Jambor  <mjambor@suse.cz>
17056
17057         * ipa-prop.h (struct ipa_param_descriptor): Removed the modified flag.
17058         (struct ipa_node_params): Removed the modification_analysis_done flag.
17059         (ipa_is_param_modified): Removed.
17060         (ipa_analyze_node): Declare.
17061         (ipa_compute_jump_functions): Remove declaration.
17062         (ipa_count_arguments): Likewise.
17063         (ipa_detect_param_modifications): Likewise.
17064         (ipa_analyze_params_uses): Likewise.
17065         * ipa-prop.c (struct param_analysis_info): New type.
17066         (visit_store_addr_for_mod_analysis): Removed.
17067         (visit_load_for_mod_analysis): Renamed to visit_ref_for_mod_analysis,
17068         moved down in the file.
17069         (ipa_detect_param_modifications): Merged into ipa_analyze_params_uses.
17070         (ipa_count_arguments): Made static.
17071         (mark_modified): New function.
17072         (is_parm_modified_before_call): New function.
17073         (compute_pass_through_member_ptrs): New parameter parms_info, call
17074         is_parm_modified_before_call instead of ipa_is_param_modified.
17075         (ipa_compute_jump_functions_for_edge): New parameter parms_info, pass
17076         it to compute_pass_through_member_ptrs.
17077         (ipa_compute_jump_functions): New parameter parms_info, pass it to
17078         ipa_compute_jump_functions_for_edge.  Call ipa_initialize_node_params
17079         on the callee if it is analyzed.  Made static.
17080         (ipa_analyze_indirect_call_uses): New parameter parms_info, call
17081         is_parm_modified_before_call instead of ipa_is_param_modified.
17082         (ipa_analyze_call_uses): New parameter parms_info, pass it to
17083         ipa_analyze_indirect_call_uses.
17084         (ipa_analyze_stmt_uses): New parameter parms_info, pass it to
17085         ipa_analyze_call_uses.
17086         (ipa_analyze_params_uses): New parameter parms_info, pass it to
17087         ipa_analyze_stmt_uses.  Also perform the used analysis.  Made static.
17088         (ipa_analyze_node): New function.
17089         (ipa_print_node_params): Do not dump the modified flag.
17090         (ipa_write_node_info): Assert uses_analysis_done rather than streaming
17091         it.  Do not stream the modified parameter flag.
17092         (ipa_read_node_info): Set uses_analysis_done to 1 instead of streaming
17093         it.  Do not stream the modified parameter flag.
17094         * ipa-cp.c (ipcp_analyze_node): Removed.
17095         (ipcp_init_stage): Iterate only once over the nodes, analyze each one
17096         with only a call to ipa_analyze_node.
17097         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Analyze the
17098         node with only a call to ipa_analyze_node.
17099
17100 2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17101
17102         * doc/invoke.texi (-Wsuggest-attribute): Add item for noreturn.
17103
17104 2010-06-25  Jan Hubicka  <jh@suse.cz>
17105
17106         * tree-pass.h (pass_split_functions): Declare.
17107         * opts.c (decode_options): Enable function splitting at -O2
17108         * timevar.def (TV_IPA_FNSPLIT): New macro.
17109         * ipa-split.c: New file.
17110         * common.opt (-fpartial-inlining): New flag.
17111         * Makefile.in (ipa-split.o): New object file.
17112         * passes.c (init_optimization_passes): Add ipa-split.
17113         * params.def (partial-inlining-entry-probability): New parameters.
17114         * doc/invoke.texi (-fpartial-inlining): New.
17115
17116 2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17117
17118         PR 44665
17119         * tree-inline.c (gimple_expand_calls_inline): Fix typo in comment.
17120         * gimplify.c (is_gimple_reg_rhs_or_call): Likewise.
17121         (gimplify_expr): Likewise.
17122
17123 2010-06-25  Martin Jambor  <mjambor@suse.cz>
17124
17125         * ipa-prop.c (determine_cst_member_ptr): Ignore non-clobbering
17126         statements instead of bailing out on them.
17127         (ipa_analyze_indirect_call_uses): Do not require that loads from the
17128         parameter are in the same BB as the condition.  Update comments.
17129
17130 2010-06-25  Jakub Jelinek  <jakub@redhat.com>
17131
17132         PR middle-end/43866
17133         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): If stmt is always
17134         true or always false, return NULL_TREE.
17135         (tree_unswitch_single_loop): Optimize conditions even when reaching
17136         max-unswitch-level parameter.  If num > 0, optimize first all conditions
17137         using entry checks, then do still reachable block discovery and consider
17138         only conditions in still reachable basic blocks in the loop.
17139
17140         PR tree-optimization/44539
17141         * tree-cfgcleanup.c (fixup_noreturn_call): Call update_stmt even when
17142         the call doesn't have LHS, but has VDEF.
17143
17144 2010-06-25  Joseph Myers  <joseph@codesourcery.com>
17145
17146         * config/pa/pa.h (MODIFY_TARGET_NAME): Remove.
17147         * doc/tm.texi (MODIFY_TARGET_NAME): Don't document.
17148         * gcc.c (enum add_del, struct modify_target, modify_target): Remove.
17149         (process_command): Remove code conditional on MODIFY_TARGET_NAME.
17150         * system.h (MODIFY_TARGET_NAME): Poison.
17151
17152 2010-06-25  Alan Modra  <amodra@gmail.com>
17153
17154         * doc/invoke.texi: Delete mcmodel=medium from powerpc options.
17155         * config/rs6000/rs6000.h (enum rs6000_cmodel): Delete CMODEL_MEDIUM.
17156         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
17157         CMODEL_LARGE as default.
17158         * config/rs6000/rs6000.c (rs6000_handle_option): Remove mcmodel=medium.
17159         (offsettable_ok_by_alignment): Delete.
17160         (rs6000_emit_move): Remove mcmodel=medium optimization.
17161
17162 2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>
17163
17164         With large parts from Jim Wilson:
17165         PR target/43902
17166         * tree-pretty-print.c (dump_generic_node, op_code_prio): Add
17167         WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
17168         * optabs.c (optab_for_tree_code): Likewise.
17169         (expand_widen_pattern_expr): Likewise.
17170         * tree-ssa-math-opts.c (convert_mult_to_widen): New function, broken
17171         out of execute_optimize_widening_mul.
17172         (convert_plusminus_to_widen): New function.
17173         (execute_optimize_widening_mul): Use the two new functions.
17174         * expr.c (expand_expr_real_2): Add support for GIMPLE_TERNARY_RHS.
17175         Remove code to generate widening multiply-accumulate.  Add support
17176         for WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
17177         * gimple-pretty-print.c (dump_ternary_rhs): New function.
17178         (dump_gimple_assign): Call it when appropriate.
17179         * tree.def (WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR): New codes.
17180         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
17181         (expand_gimple_stmt_1): Likewise.
17182         (expand_debug_expr): Support WIDEN_MULT_PLUS_EXPR and
17183         WIDEN_MULT_MINUS_EXPR.
17184         * tree-ssa-operands.c (get_expr_operands): Likewise.
17185         * tree-inline.c (estimate_operator_cost): Likewise.
17186         * gimple.c (extract_ops_from_tree_1): Renamed from
17187         extract_ops_from_tree.  Add new arg for a third operand; fill it.
17188         (gimple_build_assign_stat): Support operations with three operands.
17189         (gimple_build_assign_with_ops_stat): Likewise.
17190         (gimple_assign_set_rhs_from_tree): Likewise.
17191         (gimple_assign_set_rhs_with_ops_1): Renamed from
17192         gimple_assign_set_rhs_with_ops.  Add new arg for a third operand.
17193         (get_gimple_rhs_num_ops): Support GIMPLE_TERNARY_RHS.
17194         (get_gimple_rhs_num_ops): Handle WIDEN_MULT_PLUS_EXPR and
17195         WIDEN_MULT_MINUS_EXPR.
17196         * gimple.h (enum gimple_rhs_class): Add GIMPLE_TERNARY_RHS.
17197         (extract_ops_from_tree_1): Adjust declaration.
17198         (gimple_assign_set_rhs_with_ops_1): Likewise.
17199         (gimple_build_assign_with_ops): Pass NULL for last operand.
17200         (gimple_build_assign_with_ops3): New macro.
17201         (gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3,
17202         gimple_assign_set_rhs_with_ops, extract_ops_from_tree): New inline
17203         functions.
17204         * tree-cfg.c (verify_gimple_assign_ternary): New static function.
17205         (verify_gimple_assign): Call it.
17206         * doc/gimple.texi (Manipulating operands): Document GIMPLE_TERNARY_RHS.
17207         (Tuple specific accessors, subsection GIMPLE_ASSIGN): Document new
17208         functions for dealing with three-operand statements.
17209         * tree.c (commutative_ternary_tree_code): New function.
17210         * tree.h (commutative_ternary_tree_code): Declare it.
17211         * tree-vrp.c (gimple_assign_nonnegative_warnv_p): Return false for
17212         ternary statements.
17213         (gimple_assign_nonzero_warnv_p): Likewise.
17214         * tree-ssa-sccvn.c (stmt_has_constants): Handle GIMPLE_TERNARY_RHS.
17215         * tree-ssa-ccp.c (get_rhs_assign_op_for_ccp): New static function.
17216         (ccp_fold): Use it.  Handle GIMPLE_TERNARY_RHS.
17217         * tree-ssa-dom.c (enum expr_kind): Add EXPR_TERNARY.
17218         (struct hashtable_expr): New member ternary in the union.
17219         (initialize_hash_element): Handle GIMPLE_TERNARY_RHS.
17220         (hashable_expr_equal_p): Fix indentation.  Handle EXPR_TERNARY.
17221         (iterative_hash_hashable_expr): Likewise.
17222         (print_expr_hash_elt): Handle EXPR_TERNARY.
17223         * gimple-fold.c (fold_gimple_assign): Handle GIMPLE_TERNARY_RHS.
17224         * tree-ssa-threadedge.c (fold_assignment_stmt): Remove useless break
17225         statements.  Handle GIMPLE_TERNARY_RHS.
17226
17227 2010-06-25  Jan Hubicka  <jh@suse.cz>
17228
17229         * doc/invoke.texi (-Wsuggest-attribute): Add noreturn.
17230
17231 2010-06-25  Shujing Zhao  <pearly.zhao@oracle.com>
17232
17233         PR c/44517
17234         * c-parser.c (c_parser_parms_list_declarator): Return NULL if one of
17235         parameters are not good.
17236         (c_parser_parameter_declaration): Error unknown type name if the type
17237         name can't start declaration specifiers.
17238
17239 2010-06-25  Joseph Myers  <joseph@codesourcery.com>
17240
17241         * gcc.c (translate_options): Don't mention +e in comment.
17242         (process_command): Don't handle +e specially.
17243
17244 2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>
17245
17246         * ira.c (allocno_pool, copy_pool, allocno_live_range_pool): Delete.
17247
17248         * ira-build.c (merge_hard_reg_conflicts): New function.
17249         (create_cap_allocno, copy_info_to_removed_store_destinations,
17250         propagate_some_info_from_allocno, propagate_allocno_info): Use it.
17251         (move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
17252         (remove_unnecessary_allocnos, remove_low_level_allocnos)
17253         copy_nifo_to_removed_store_destination): Use them.
17254         * ira-lives.c (make_hard_regno_born): New function, split out of
17255         make_regno_born.
17256         (make_allocno_born): Likewise.
17257         (make_hard_regno_dead): New function, split out of make_regno_dead.
17258         (make_allocno_dead): Likewise.
17259         (inc_register_pressure): New function, split out of set_allocno_live.
17260         (dec_register_pressure): New function, split out of clear_allocno_live.
17261         (mark_pseudo_regno_live): New function, split out of mark_reg_live.
17262         (mark_hard_reg_live): Likewise.  Use inc_register_pressure.
17263         (mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
17264         (mark_hard_reg_dead): Likewise.  Use dec_register_pressure.
17265         (make_pseudo_conflict): Use mark_pseudo_regno_dead and
17266         mark_pseudo_regno_live.
17267         (process_bb_node_lives): Use mark_pseudo_regno_live,
17268         make_hard_regno_born and make_allocno_dead.
17269         (make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
17270         set_allocno_live, clear_allocno_live): Delete functions.
17271
17272         * ira-int.h (ira_parent_allocno, ira_parent_or_cap_allocno): Declare.
17273         * ira-build.c (ira_parent_allocno, ira_parent_or_cap_allocno): New
17274         functions.
17275         (ira_flattening): Use ira_parent_allocno.
17276         * ira-conflicts.c (process_regs_for_copy, propagate_copies)
17277         build_allocno_conflicts): Use ira_parent_or_cap_allocno.
17278
17279         * ira-color.c (assign_hard_reg): Improve formatting of multi-line for
17280         statement.
17281
17282         * ira-int.h (SET_MINMAX_SET_BIT, CLEAR_MINMAX_SET_BIT,
17283         TEST_MINMAX_SET_BIT, minmax_set_iterator, minmax_set_iter_init,
17284         minmax_set_iter_cond, minmax_set_iter_next,
17285         FOR_EACH_BIT_IN_MINMAX_SET): Renamed from SET_ALLOCNO_SET_BIT,
17286         CLEAR_ALLOCNO_SET_BIT, TEST_ALLOCNO_SET_BIT, ira_allocno_set_iterator,
17287         ira_allocno_set_iter_init, ira_allocno_set_iter_cond,
17288         ira_allocno_set_iter_Next and FOR_EACH_ALLOCNO_IN_ALLOCNO_SET.  All
17289         uses changed.
17290
17291         * ira-int.h (struct live_range, live_range_t): Renamed from struct
17292         ira_allocno_live_range and allocno_live_range_t; all uses changed.
17293         * ira-build.c (live_range_pool): Renamed from allocno_live_range_pool.
17294         All uses changed.
17295
17296 2010-06-24  Richard Earnshaw  <rearnsha@arm.com>
17297
17298         * thumb2.md (thumb2_tlobits_cbranch): Delete.
17299         (peephole2 to convert zero_extract/compare of single bit to
17300          lshift/compare): New.
17301
17302 2010-06-24  Anatoly Sokolov  <aesok@post.ru>
17303
17304         * fold-const.c (const_binop): Remove 'notrunc' argement. Adjust
17305         recursive call and call to 'int_const_binop'.
17306         (build_range_check, fold_cond_expr_with_comparison, unextend,
17307         fold_truthop, extract_muldiv_1, fold_comparison, fold_binary_loc,
17308         multiple_of_p): Adjust call to const_binop.
17309
17310 2010-06-24  Uros Bizjak  <ubizjak@gmail.com>
17311
17312         * config/i386/i386.md (XFmode push splitter): Use GET_MODE_SIZE to
17313         determine size of XFmode operand.
17314         (XFmode extended DFmode push splitter): Ditto.
17315         (XFmode extended SFmode push splitter): Ditto.
17316
17317 2010-06-24  H.J. Lu  <hongjiu.lu@intel.com>
17318
17319         PR target/44588
17320         * config/i386/i386.md (extract_code): New.
17321         (<u>divmodqi4): Likewise.
17322         (divmodhiqi3): Likewise.
17323         (udivmodhiqi3): Likewise.
17324         (<u>divqi3): Remvoved.
17325
17326 2010-06-24  Jakub Jelinek  <jakub@redhat.com>
17327
17328         PR middle-end/44492
17329         * recog.h (struct recog_data): Add is_asm field.
17330         * recog.c (asm_operand_ok, constrain_operands): If neither < nor > is
17331         present in constraints of inline-asm operand and memory operand
17332         contains {PRE,POST}_{INC,DEC,MODIFY}, return 0.
17333         (extract_insn): Initialize recog_data.is_asm.
17334         * doc/md.texi (Constraints): Document operand side-effect rules.
17335
17336 2010-06-24  Andi Kleen  <ak@linux.intel.com>
17337
17338         * c-parser.c (c_parser_conditional_expression): Call
17339         warn_for_omitted_condop.
17340         * doc/invoke.texi: Document omitted condop warning.
17341
17342 2010-06-24  Nick Clifton<nickc@redhat.com>
17343
17344         * loop-unswitch.c (compare_and_jump_seq): Assert that the last
17345         insn in the sequence is a jump insn before setting its label.
17346
17347 2010-06-24  Alan Modra  <amodra@gmail.com>
17348
17349         * collect2.c (main): Match exactly --version and --help.
17350
17351 2010-06-24  DJ Delorie  <dj@redhat.com>
17352
17353         * config/m32c/m32c-pragma.c: Don't include rtl.h.
17354
17355 2010-06-23  Uros Bizjak  <ubizjak@gmail.com>
17356
17357         * config/i386/i386.md (mov<mode>): Macroize expander from mov{sf,df,xf}
17358         using X87MODEF mode iterator.
17359         (pushsf splitter): Macroize splitter using P mode iterator.
17360         (*swap<mode>): Macroize insn from *swap{sf,df} using MODEF
17361         mode iterator.
17362
17363         (*movxf_internal): Rename from *movxf_integer.
17364         (*movxf_internal_nointeger): Rename from *movxf_nointeger.
17365         (*movdf_internal_rex64): Rename from *movdf_integer_rex64.
17366         (*movdf_internal): Rename from *movdf_integer.
17367         (*movdf_internal_nointeger): Rename from *movdf_nointeger.
17368         (*movsf_internal): Rename from *movdf_1.
17369
17370 2010-06-23  Basile Starynkevitch  <basile@starynkevitch.net>
17371
17372         * coretypes.h (gimple_seq_node_d, gimple_seq_node)
17373         (const_gimple_seq_node): Removed typedefs.
17374
17375         * gimple.h (gimple_seq_node_d, gimple_seq_node)
17376         (const_gimple_seq_node): Added typedefs moved from coretypes.h.
17377
17378 2010-06-23  H.J. Lu  <hongjiu.lu@intel.com>
17379
17380         * config/i386/i386.c (bdesc_args): Replace CODE_FOR_avx_si_si256,
17381         CODE_FOR_avx_ps_ps256 and CODE_FOR_avx_pd_pd256 with
17382         CODE_FOR_vec_extract_lo_v8si, CODE_FOR_vec_extract_lo_v8sf
17383         and CODE_FOR_vec_extract_lo_v4df.
17384
17385         * config/i386/sse.md (vec_extract_lo_<AVX256MODE4P:mode>):
17386         Changed to define_insn_and_split.
17387         (vec_extract_lo_<AVX256MODE8P:mode>): Likewise.
17388         (vec_extract_lo_v16hi): Likewise.
17389         (vec_extract_lo_v32qi): Likewise.
17390         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
17391         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Removed.
17392
17393 2010-06-23  Joern Rennecke  <joern.rennecke@embecosm.com>
17394
17395         PR target/44640
17396         * config/spu/spu-protos.h (spu_expand_epilogue) Use bool.
17397         * config/spu/spu.c (spu_scalar_mode_supported_p): Declare with bool.
17398         (spu_vector_mode_supported_p, spu_handle_fndecl_attribute): Likewise.
17399         (spu_handle_vector_attribute, spu_pass_by_reference): Likewise.
17400         (spu_rtx_costs, spu_function_ok_for_sibcall): Likewise.
17401
17402         PR target/44640
17403         * config/spu/spu.c (ea_load_store_inline): Use add_reg_note.
17404
17405         PR other/44644
17406         * df-core.c (struct df): Rename to df_d.
17407         * df.h (struct df): Likewise.
17408         * dse.h (struct df): Remove forward declaration.
17409         * recog.h (struct insn_data): Rename to:
17410         (struct_insn_data_d).  Adjusted all users.
17411
17412 2010-06-23  Arnaud Charlet  <charlet@adacore.com
17413
17414         PR ada/22220
17415         * doc/install.texi: Update requirements to build GNAT.
17416
17417 2010-06-22  Andreas Schwab  <schwab@linux-m68k.org>
17418
17419         * config/m68k/m68k.c (m68k_output_addr_const_extra): Add cast to
17420         enum type.
17421         (m68k_sched_attr_opx_type): Remove unreachable return.
17422         (m68k_sched_attr_opy_type): Likewise.
17423         (m68k_sched_attr_size): Likewise.
17424         (sched_get_opxy_mem_type): Likewise.
17425         (m68k_sched_attr_op_mem): Likewise.
17426
17427 2010-06-22  Eric Botcazou  <ebotcazou@adacore.com>
17428
17429         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Chain the
17430         new statement and adjust VDEF only if necessary.  Remove superfluous
17431         call to maybe_clean_or_replace_eh_stmt.
17432         * gimple.c (gimple_call_copy_skip_args): Use gimple_call_copy_flags to
17433         copy the flags.
17434         * gimple-iterator.c (gsi_replace): Clear BB of old statement here...
17435         * tree-inline.c (copy_bb): ...and not there.
17436
17437 2010-06-22  Cary Coutant  <ccoutant@google.com>
17438
17439         * dwarf2out.c (is_nested_in_subprogram): New function.
17440         (should_move_die_to_comdat): Use it.
17441         (copy_ancestor_tree): Don't mark DIEs here.
17442         (copy_decls_walk): Start walk from root of newly-added tree;
17443         mark DIEs here instead.
17444
17445 2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>
17446
17447         * config/i386/i386.md (unit): Also check sseishft1.
17448
17449 2010-06-22  Jan Hubicka  <jh@suse.cz>
17450
17451         * gimple.h (gimple_expr_code): Do checking on when gimple checking is
17452         enabled.
17453
17454 2010-06-22  Jan Hubicka  <jh@suse.cz>
17455
17456         * df-problems.c (df_rd_confluence_n, df_lr_confluence_n,
17457         df_live_confluence_n, df_byte_lr_confluence_n, df_md_confluence_n):
17458         Return true if something changed.
17459         * df.h (df_confluence_function_n): Return bool.
17460         * df-core.c (df_worklist_propagate_forward,
17461         df_worklist_propagate_backward): Track changes and ages.
17462         (df_worklist_dataflow_doublequeue): Use bitmap iterator for main walk;
17463         track ages.
17464         * dse.c (dse_confluence_n): Return always true.
17465
17466 2010-06-22  Jan Hubicka  <jh@suse.cz>
17467
17468         * bitmap.c (bitmap_clear_bit): Micro optimize.
17469
17470 2010-06-22  Uros Bizjak  <ubizjak@gmail.com>
17471
17472         * config/i386/i386.md (SWI1248x): New mode iterator.
17473         (SWI48x): Ditto.
17474         (SWI12): Ditto.
17475         (SWI24): Ditto.
17476
17477         (mov<mode>): Macroize expander from mov{qi,hi,si,di} using
17478         SWI1248x mode iterator.
17479         (*push<mode>2_rex64): Macroize insn from *push{qi,hi,si}_rex64
17480         using SWI124 mode iterator.
17481         (*push<mode>2): Macroize insn from *push{qi,hi} using SWI12
17482         mode iterator.
17483         (*push<mode>2_prologue): Macroize insn from  *pushsi2_prologue and
17484         *pushdi2_prologue_rex64 using P mode iterator.
17485         (*mov<mode>_xor): Macroize insn from *movsi_xor and *movdi_xor_rex64
17486         using SWI48 mode iterator.
17487         (*mov<mode>_or): Ditto from *movsi_or and *movdi_or_rex64.
17488         (*movabs<mode>_1): Macroize insn from *movabs{qi,hi,si,di}_1_rex64
17489         using SWI1248x mode iterator.
17490         (*movabs<mode>_2): Ditto from *movabs{qi,hi,si,di}_1_rex64.
17491         (*swap<mode>): Macroize insn from *swapsi and *swapdi_rex64 using
17492         SWI48 mode iterator.
17493         (*swap<mode>_1): Macroize insn from *swap{qi,hi}_1 using SWI12 mode
17494         iterator.
17495         (*swap<mode>_2): Ditto from *swap{qi,hi}_2.
17496         (movstrict<mode>): Macroize expander from movstrict{qi,hi} using
17497         SWI12 mode iterator.
17498         (*movstrict<mode>_1): Macroize insn from *movstrict{qi,hi}_1 using
17499         SWI12 mode iterator.
17500         (*movstrict<mode>_xor): Ditto from *movstrict{qi,hi}_xor.
17501         (*mov<mode>_extv_1): Macroize insn from *mov{hi,si}_extv_1 using
17502         SWI24 mode iterator.
17503         (*mov<mode>_extzv_1): Macroize insn from *mov{si,di}_extzv_1 using
17504         SWI48 mode iterator.
17505         (mov<mode>_insn_1): New expander.
17506         (*mov<mode>_insv_1_rex64): Macroize insn from *mov{si,di}_insv_1_rex64
17507         using SWI48x mode iterator.
17508
17509         (*movoi_internal_avx): Rename from *movoi_internal.
17510         (*movti_internal_rex64): Rename from *movti_rex64.
17511         (*movti_internal_sse): Rename from *movti_sse.
17512         (*movdi_internal_rex64): Rename from *movdi_1_rex64.
17513         (*movdi_internal): Rename from *movdi_2.
17514         (*movsi_internal): Rename from *movsi_1.
17515         (*movhi_internal): Rename from *movhi_1.
17516         (*movqi_internal): Rename from *movqi_1.
17517
17518         (insv): Update the call to gen_movsi_insv_1 for rename.
17519         * config/i386/i386.c (promote_duplicated_reg): Ditto.
17520
17521 2010-06-22  Jan Hubicka  <jh@suse.cz>
17522
17523         * passes.c (execute_function_todo): Move call of statistics_fini_pass
17524         to ...
17525         (execute_todo) ... this one.
17526
17527 2010-06-22  Alan Modra  <amodra@gmail.com>
17528
17529         PR target/44364
17530         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
17531         * caller-save.c (insert_restore, insert_save): Use non-validate
17532         form of adjust_address.
17533
17534 2010-06-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17535
17536         PR target/39690
17537         * config/pa/pa.c (override_options): Disable
17538         -freorder-blocks-and-partition.
17539
17540 2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>
17541
17542         PR target/44615
17543         * config/i386/atom.md (atom_sseishft_2): Also check sseishft1.
17544
17545         * config/i386/i386.md (type): Add sseishft1
17546
17547         * config/i386/ppro_insn (ppro_insn): Also check sseishft1.
17548         (ppro_insn_load): Likewise.
17549         (ppro_insn_store): Likewise.
17550         (ppro_insn_both): Likewise.
17551
17552         * config/i386/sse.md (sse2_lshrv1ti3): Add atom_unit.
17553         (*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1
17554         for type.
17555         (*vec_extractv2di_1_avx): Likewise.
17556         (*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
17557         type.  Remove atom_unit.
17558         (*vec_extractv2di_1_sse2): Likewise.
17559
17560 2010-06-21  DJ Delorie  <dj@redhat.com>
17561
17562         * diagnostic.h (diagnostic_classification_change_t): New.
17563         (diagnostic_context): Add history and push/pop list.
17564         (diagnostic_push_diagnostics): Declare.
17565         (diagnostic_pop_diagnostics): Declare.
17566         * diagnostic.c (diagnostic_classify_diagnostic): Store changes
17567         from pragmas in a history chain instead of the global table.
17568         (diagnostic_push_diagnostics): New.
17569         (diagnostic_pop_diagnostics): New.
17570         (diagnostic_report_diagnostic): Scan history chain to find state
17571         of diagnostics as of the diagnostic location.
17572         * opts.c (set_option): Pass UNKNOWN_LOCATION to
17573         diagnostic_classify_diagnostic.
17574         (enable_warning_as_error): Likewise.
17575         * diagnostic-core.h (DK_POP): Add after "real" diagnostics, for
17576         use in the history chain.
17577         * doc/extend.texi: Document pragma GCC diagnostic changes.
17578
17579 2010-06-21  Jakub Jelinek  <jakub@redhat.com>
17580
17581         * dwarf2out.c (add_linkage_name): New function.  Don't add
17582         anything to DW_TAG_member DIEs.
17583         (add_name_and_src_coords_attributes): Use it.
17584         (gen_variable_die): Call it for C++ static data members if
17585         specification is DW_TAG_member.
17586
17587         * dwarf2out.c (base_type_die): Use DW_ATE_UTF for
17588         C++ char16_t and char32_t.
17589
17590         * Makefile.in (build/genattrtab.o): Depend on vecprim.h.
17591         * genattrtab.c: Include vecprim.h.
17592         (cached_attrs, cached_attr_count, attrs_seen_once,
17593         attrs_seen_more_than_once, attrs_to_cache, attrs_cached_inside,
17594         attrs_cached_after): New variables.
17595         (find_attrs_to_cache): New function.
17596         (FLG_BITWISE, FLG_AFTER, FLG_INSIDE, FLG_OUTSIDE_AND): Define.
17597         (write_test_expr): Add attrs_cached argument, return it too,
17598         attempt to cache non-const attributes used more than once in
17599         a single case handling.
17600         (write_attr_get): Use find_attrs_to_cache, for caching candidates
17601         emit cached_* variables.  Adjust write_attr_set callers.
17602         (write_attr_set): Add attrs_cached attribute, use find_attrs_to_cache
17603         to find attributes that should be cached in this block.  Adjust
17604         write_test_expr callers.
17605         (write_attr_case): Clear attrs_to_cache.  Adjust write_attr_set
17606         callers.
17607         (make_automaton_attrs): Adjust write_test_expr caller.
17608
17609         * Makefile.in (cfgexpand.o): Depend on $(INSN_ATTR_H).
17610         * genattrtab.c (check_tune_attr, find_tune_attr): New functions.
17611         (make_automaton_attrs): If find_tune_attr returns non-NULL,
17612         write separate internal_dfa_insn_code_* and insn_default_latency_*
17613         functions for each attribute's value and emit init_sched_attrs
17614         function and function pointers.
17615         * genattr.c (const_attrs, reservations): New variables.
17616         (gen_attr): Add const attributes to const_attrs vector.
17617         (check_tune_attr, find_tune_attr): New functions.
17618         (main): Add reservations to reservations vector.  If find_tune_attr
17619         returns true, add prototype for init_sched_attrs and make
17620         internal_dfa_insn_code and insn_default_latency function pointers,
17621         otherwise define init_sched_attrs as dummy macro.
17622         * cfgexpand.c: Include insn-attr.h.
17623         (gimple_expand_cfg): Call init_sched_attrs.
17624
17625         * stmt.c (resolve_asm_operand_names): Fix handling of %%.
17626
17627         PR target/44575
17628         * config/i386/i386.c (ix86_gimplify_va_arg): When copying
17629         va_arg from a set of register save slots into a temporary,
17630         if the container is bigger than type size, do the copying
17631         using smaller mode or using memcpy.
17632
17633         PR bootstrap/44426
17634         * sel-sched-dump.h (sel_prepare_string_for_dot_label): Remove
17635         prototype.
17636         (sel_print_to_dot): Remove macro.
17637         (sel_print): Likewise.  New prototype.
17638         * sel-sched-dump.c (sel_prepare_string_for_dot_label): Make static.
17639         (sel_print): New function.
17640
17641 2010-06-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
17642
17643         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define
17644         __STDC_VERSION__=199901L, _XOPEN_SOURCE=600 for C++.
17645
17646 2010-06-21  Nick Clifton  <nickc@redhat.com>
17647
17648         * config/rx/rx.h (PTRDIFF_TYPE): Define.
17649         (SMALL_REGISTER_CLASS): Define (to zero).
17650         (PRINT_OPERAND): Delete.
17651         (PRINT_OPERAND_ADDRESS): Delete.
17652         * config/rx/rx-protos.h (rx_print_operand): Delete prototype.
17653         (rx_print_operand_address): Delete prototype.
17654         * config/rx/rx.c (rx_print_operand): Make static.
17655         Allow %H and %L to handle CONST_DOUBLEs.
17656         (rx_print_operand_address): Make static.
17657         (rx_gen_move_template): Rename local variable 'template' to
17658         out_template.
17659         (rx_function_arg): Do not pass unknown sized objects in registers.
17660         (TARGET_PRINT_OPERAND): Define.
17661         (TARGET_PRINT_OPERAND_ADDRESS): Define.
17662
17663 2010-06-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
17664
17665         * Makefile.in (POD2MAN): Provide --date from $(DATESTAMP).
17666
17667 2010-06-21  Kai Tietz  <kai.tietz@onevision.com>
17668
17669         * config/i386/i386.c (ix86_compute_frame_layout): Avoid
17670         stack-alignment for simple leaf-functions.
17671
17672 2010-06-20  Alexandre Oliva  <aoliva@redhat.com>
17673
17674         * doc/install.texi: Document bootstrap-lto.
17675
17676 2010-06-20  Alexandre Oliva  <aoliva@redhat.com>
17677
17678         PR debug/44248
17679         * lto-streamer-in.c (input_bb): Leave debug stmts alone.
17680         (input_function): Drop them here, if VTA is disabled.
17681
17682 2010-06-20  Uros Bizjak  <ubizjak@gmail.com>
17683
17684         PR target/44546
17685         * config/i386/predicates.md (ix86_swapped_fp_comparsion_operator):
17686         New predicate.
17687         * config/i386/i386.md (*fp_jcc_8<mode>_387 and splitters): Use
17688         ix86_swapped_fp_comparsion_operator instead of
17689         ix86_fp_comparison_operator.
17690
17691         (*fp_jcc_1_387): Rename from *fp_jcc_3_387.
17692         (*fp_jcc_1r_387): Rename from *fp_jcc_4_387.
17693         (*fp_jcc_2_387): Rename from *fp_jcc_5_387.
17694         (*fp_jcc_2r_387): Rename from *fp_jcc_6_387.
17695         (*fp_jcc_3_387): Rename from *fp_jcc_7_387.
17696         (*fp_jcc_4_<mode>_387): Rename from *fp_jcc_8<mode>_387.
17697
17698 2010-06-20  Joseph Myers  <joseph@codesourcery.com>
17699
17700         PR other/32998
17701         * opth-gen.awk: Generate definitions of OPT_SPECIAL_unknown,
17702         OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
17703         * opts-common.c (find_opt): Return OPT_SPECIAL_unknown on failure.
17704         (decode_cmdline_option): Update for this return value.  Set
17705         orig_option_with_args_text field.  Set arg field for unknown
17706         options.  Make static.
17707         (decode_cmdline_options_to_array): New.
17708         (prune_options): Update handling of find_opt return value.
17709         * opts.c (read_cmdline_option): Take decoded option.  Return void.
17710         (read_cmdline_options): Take decoded options.
17711         (decode_options): Add parameters for decoded options.  Use
17712         decode_cmdline_options_to_array.  Use decoded options for -O
17713         scan.  Use integral_argument for -O parameters.  Update call to
17714         read_cmdline_options.
17715         (enable_warning_as_error): Update handling of find_opt return value.
17716         * opts.h: Update comment on unknown options.
17717         (struct cl_decoded_option): Update comments on opt_index and arg.
17718         Add orig_option_with_args_text.
17719         (decode_cmdline_option): Remove.
17720         (decode_cmdline_options_to_array): Declare.
17721         (decode_options): Update prototype.
17722         * toplev.c (save_argv): Remove.
17723         (save_decoded_options, save_decoded_options_count): New.
17724         (read_integral_parameter): Remove.
17725         (print_switch_values): Use decoded options.
17726         (toplev_main): Don't set save_argv.  Update call to decode_options.
17727         * toplev.h (read_integral_parameter): Remove.
17728         * varasm.c (elf_record_gcc_switches): Don't handle holding back names.
17729
17730 2010-06-19  Richard Earnshaw  <rearnsha@arm.com>
17731
17732         PR target/44072
17733         * arm.md (cmpsi2_addneg): Prefer emitting adds to subs with a negative
17734         immediate.
17735         * constraints.md (Pw, Px): New constraints.
17736         * thumb2.md (cmpsi2_addneg peephole2): New peepholes.
17737
17738 2010-06-19  H.J. Lu  <hongjiu.lu@intel.com>
17739
17740         * config/i386/sse.md (fma4modesuffixf4): Removed.
17741         (ssemodesuffixf2s): Likewise.
17742         (ssemodesuffixf4): Likewise.
17743         (ssemodesuffixf2c): Likewise.
17744         (ssescalarmodesuffix2s): Likewise.
17745         (avxmodesuffixf2c): Likewise.
17746         (ssemodesuffix): New.
17747         (ssescalarmodesuffix): Likewise.
17748         Update patterns with ssemodesuffix and ssescalarmodesuffix.
17749
17750 2010-06-19  Philip Herron  <herron.philip@googlemail.com>
17751
17752         * c-decl.c (c_write_global_declarations): Don't check flag_syntax_only.
17753
17754 2010-06-18  H.J. Lu  <hongjiu.lu@intel.com>
17755
17756         * stor-layout.c (debug_rli): Remove unused local variables.
17757
17758 2010-06-18  Eric Botcazou  <ebotcazou@adacore.com>
17759
17760         PR rtl-optimization/40900
17761         * expr.c (expand_expr_real_1) <SSA_NAME>: Fix long line.  Save the
17762         original expression for later reuse.
17763         <expand_decl_rtl>: Use promote_function_mode to compute the signedness
17764         of the promoted RTL for a SSA_NAME on the LHS of a call statement.
17765
17766 2010-06-18  Anatoly Sokolov  <aesok@post.ru>
17767
17768         * double-int.h (double_int_to_shwi, double_int_to_uhwi,
17769         double_int_fits_in_uhwi_p): Implement as static inline.
17770         (double_int_xor): New inline function.
17771         (double_int_lrotate, double_int_rrotate, double_int_max,
17772         double_int_umax, double_int_smax, double_int_min, double_int_umin,
17773         double_int_smin): Declare.
17774         (lrotate_double, rrotate_double): Remove declaration.
17775         * double-int.c (double_int_fits_in_uhwi_p, double_int_to_shwi,
17776         double_int_to_uhwi, lrotate_double, rrotate_double): Remove function.
17777         (double_int_lrotate, double_int_rrotate, double_int_max,
17778         double_int_umax, double_int_smax, double_int_min, double_int_umin,
17779         double_int_smin): New function.
17780         * fold-const.c (int_const_binop): Clean up, use double_int_*
17781         functions.
17782         * simplify-rtx.c (simplify_const_binary_operation): Clean up, use
17783         double_int_* and immed_double_int_const functions.
17784
17785 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
17786
17787         * function.h (types_used_by_cur_var_decl): Change type to a VEC.
17788         * function.c (types_used_by_cur_var_decl): Likewise.
17789         (used_types_insert): Adjust for new type of types_used_by_cur_var_decl.
17790
17791 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
17792
17793         * tree.h (record_layout_info): Change type of pending_statics field
17794         to a VEC.
17795         * stor-layout.c (start_record_layout): Store NULL into
17796         pending_statics.
17797         (debug_rli): Call debug_vec_tree instead of debug_tree.
17798         (place_field): Likewise.
17799         (finish_record_layout): Likewise.
17800
17801 2010-06-18  Alan Modra  <amodra@gmail.com>
17802
17803         * config/rs6000/linux64.h (SET_CMODEL): Don't expand to empty.
17804
17805 2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17806
17807         PR target/43740
17808         * config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag
17809         for SET source operand from SET destination operand.
17810
17811 2010-06-17  Bernd Schmidt  <bernds@codesourcery.com>
17812
17813         PR rtl-optimization/39871
17814         * reload1.c (init_eliminable_invariants): For flag_pic, disable
17815         equivalences only for constants that aren't LEGITIMATE_PIC_OPERAND_P.
17816         (function_invariant_p): Rule out a plus of frame or arg pointer with
17817         a SYMBOL_REF.
17818         * ira.c (find_reg_equiv_invariant_const): Likewise.
17819
17820 2010-06-17  Gunther Nikl  <gnikl@users.sourceforge.net>
17821
17822         * config/rs6000/rs6000.c (print_operand) <'K'>: Also use
17823         print_operand_address and puts to output the operand for CONST.
17824
17825 2010-06-17  Jakub Jelinek  <jakub@redhat.com>
17826
17827         PR debug/44572
17828         * dwarf2out.c (dwarf2out_debug_hooks): Add entry for begin_epilogue
17829         hook.
17830
17831 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17832
17833         * v850-protos.h (print_operand): Delete.
17834         (print_operand_address): Delete.
17835         * v850.h (PRINT_OPERAND): Delete.
17836         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
17837         (PRINT_OPERAND_ADDRESS): Delete.
17838         * v850.c (print_operand_address): Rename to...
17839         (v850_print_operand_address): ...this.  Make static. Call
17840         v850_print_operand.
17841         (print_operand): Rename to...
17842         (v850_print_operand): ...this.  Make static.  Call
17843         v850_print_operand_address.
17844         (v850_print_operand_punct_valid_p): New function.
17845         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
17846         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
17847
17848 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17849
17850         * config/sh/sh-protos.h (print_operand): Delete.
17851         (print_operand_address): Delete.
17852         * config/sh/sh.h (PRINT_OPERAND): Delete.
17853         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
17854         (PRINT_OPERAND_ADDRESS): Delete.
17855         * config/sh/sh.c (sh_print_operand_address): Make static.
17856         (sh_print_operand): Make static.  Call sh_print_operand_address
17857         and sh_print_operand.
17858         (sh_print_operand_punct_valid_p): New function.
17859         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
17860         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
17861
17862 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17863
17864         * config/mcore/mcore-protos.h (mcore_print_operand): Delete.
17865         (mcore_print_operand_address): Delete.
17866         * config/mcore/mcore.h (PRINT_OPERAND): Delete.
17867         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
17868         (PRINT_OPERAND_ADDRESS): Delete.
17869         * config/mcore/mcore.c (mcore_print_operand_address): Make static.
17870         (mcore_print_operand): Make static.
17871         (mcore_print_operand_punct_valid_p): New function.
17872         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define
17873         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
17874
17875 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17876
17877         * config/m68hc11/m68hc11-protos.h (print_operand): Delete.
17878         (print_operand_address): Delete.
17879         * config/m68hc11/m68hc11.h (PRINT_OPERAND): Delete.
17880         (PRINT_OPERAND_ADDRESS): Delete.
17881         * config/m68hc11/m68hc11.c (m68hc11_print_operand_address): Make
17882         static.
17883         (m68hc11_print_operand): Make static.
17884         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
17885
17886 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17887
17888         * config/m32r/m32r-protos.h (m32r_print_operand): Delete.
17889         (m32r_print_operand_address): Delete.
17890         * config/m32r/m32r.h (m32r_punct_chars): Delete.
17891         (PRINT_OPERAND): Delete.
17892         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
17893         (PRINT_OPERAND_ADDRESS): Delete.
17894         * config/m32r/m32r.c (m32r_punct_chars): Make static.
17895         (m32r_print_operand_address): Make static.
17896         (m32r_print_operand): Make static.
17897         (m32r_print_operand_punct_valid_p): New function.
17898         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
17899         (TARGET_PRINT_OPERAND_ADDRESS): Define.
17900
17901 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17902
17903         * config/iq2000/iq2000-protos.h (print_operand): Delete.
17904         (print_operand_address): Delete.
17905         * config/iq2000/iq2000.h (PRINT_OPERAND): Delete.
17906         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
17907         (PRINT_OPERAND_ADDRESS): Delete.
17908         (iq2000_print_operand_punct): Delete.
17909         * config/iq2000/iq2000.c (iq2000_print_operand_punct): Make static.
17910         (iq2000_print_operand_address): Make static.
17911         (iq2000_print_operand): Make static.
17912         (iq2000_print_operand_punct_valid_p): New function.
17913         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
17914         (TARGET_PRINT_OPERAND_ADDRESS): Define.
17915
17916 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17917
17918         * config/frv/frv-protos.h (frv_print_operand): Delete.
17919         (frv_print_operand_address): Delete.
17920         * config/frv/frv.h (PRINT_OPERAND): Delete.
17921         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
17922         (PRINT_OPERAND_ADDRESS): Delete.
17923         * config/frv/frv.c (frv_print_operand_address): Make static.
17924         (frv_print_operand): Make static.
17925         (frv_print_operand_punct_valid_p): New function.
17926         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
17927         (TARGET_PRINT_OPERAND_ADDRESS): Define.
17928
17929 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
17930
17931         * tree.h (vec_member): Declare.
17932         * tree.c (vec_member): Define.
17933
17934 2010-06-17  Richard Guenther  <rguenther@suse.de>
17935
17936         * tree-flow-inline.h (array_ref_contains_indirect_ref): Remove.
17937         * tree-flow.h (array_ref_contains_indirect_ref): Likewise.
17938
17939 2010-06-17  Richard Guenther  <rguenther@suse.de>
17940
17941         * tree-inline.c (declare_return_variable): Remove bogus code.
17942
17943 2010-06-17  Richard Guenther  <rguenther@suse.de>
17944
17945         * gimplify.c (gimplify_bind_expr): Always promote complex
17946         and vector variables to registers if possible.
17947
17948 2010-06-17  Richard Guenther  <rguenther@suse.de>
17949
17950         * expr.c (get_inner_reference): Use double_int for bit_offset
17951         calculation.
17952
17953 2010-06-16  DJ Delorie  <dj@redhat.com>
17954
17955         * common.opt (-fstrict-volatile-bitfields): new.
17956         * doc/invoke.texi: Document it.
17957         * fold-const.c (optimize_bit_field_compare): For volatile
17958         bitfields, use the field's type to determine the mode, not the
17959         field's size.
17960         * expr.c (expand_assignment): Likewise.
17961         (get_inner_reference): Likewise.
17962         (expand_expr_real_1): Likewise.
17963         * expmed.c (store_fixed_bit_field): Likewise.
17964         (extract_bit_field_1): Likewise.
17965         (extract_fixed_bit_field): Likewise.
17966
17967 2010-06-16  Richard Guenther  <rguenther@suse.de>
17968
17969         * tree-inline.c (remap_gimple_op_r): Recurse using remap_gimple_op_r.
17970
17971 2010-06-16  Douglas B Rupp  <rupp@gnat.com>
17972
17973         * config/ia64/vms.h (ASM_OUTPUT_DWARF_DELTA_UNITS): Remove.
17974         (ASM_OUTPUT_DWARF_VMS_DELTA: Define new macro.
17975         * dbxout.c (gcc_debug_hooks): New entry begin_epilogue.
17976         * debug.c: Likewise.
17977         * sdbout.c: Likewise.
17978         * vmsdbgout.c: Likewise.
17979         * debug.h: Likewise. (dwarf2out_vms_{begin,end}_prologue): Declare.
17980         * doc/tm.texi (ASM_OUTPUT_DWARF_VMS_DELTA): Document.
17981         * dwarf2asm.c (dw2_asm_output_vms_delta): New function.
17982         (ASM_OUTPUT_DWARF_VMS_DELTA): Call it.
17983         * dwarf2asm.h (dw2_asm_output_vms_delta): Declare.
17984         * dwarf2out.c (dw_fde_struct): New fields
17985         dw_fde_vms_{end,begin}_prologue.
17986         (PROLOGUE_END_LABEL, EPILOGUE_BEGIN_LABEL): New macros.
17987         (dwarf2out_begin_prologue): Set dw_fde_struct defaults for above.
17988         (dwarf2out_vms_end_prologue): New function.
17989         (dwarf2out_vms_begin_epilogue): New function.
17990         (dw_val_struct): New value dw_val_class_vms_delta.
17991         (gcc_debug_hooks): New entry begin_epilogue. Set end_prologue,
17992         begin_epilogue for VMS.
17993         (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): Declare
17994         new static functions.
17995         (dwarf_attr_name): New cases DW_AT_HP_{prologue,epilogue}.
17996         (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): New
17997         static functions.
17998         (print_die): New case dw_val_class_vms_delta.
17999         (attr_checksum): Likewise.
18000         (same_dw_val_p: Likewise.
18001         (size_of_die): Likewise.
18002         (value_format): Likewise.
18003         (output_die): Likewise.
18004         (gen_subprogram_die): Call add_AT_vms_delta on VMS.
18005         (dwarf2out_begin_epilogue): Rename to dwarf2out_cfi_begin_epilogue
18006         * dwarf2out.h (dwarf2out_begin_epilogue): Rename to
18007         dwarf2out_cfi_begin_epilogue
18008         * final.c (final_scan_insn): Likewise. Call begin_epilogue.
18009
18010 2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>
18011
18012         * config/cris/cris-protos.h (cris_print_operand): Delete.
18013         (cris_print_operand_address): Delete.
18014         * config/cris/cris.h (PRINT_OPERAND): Delete.
18015         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
18016         (PRINT_OPERAND_ADDRESS): Delete.
18017         * config/cris/cris.c (cris_print_operand_address): Make static.
18018         (cris_print_operand): Make static.
18019         (cris_print_operand_punct_valid_p): New function.
18020         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
18021         (TARGET_PRINT_OPERAND_ADDRESS): Define.
18022
18023 2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>
18024
18025         * config/arm/arm-protos.h (arm_print_operand): Delete.
18026         (arm_print_operand_address): Delete.
18027         * config/arm/arm.h (PRINT_OPERAND): Delete.
18028         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
18029         (PRINT_OPERAND_ADDRESS, ARM_PRINT_OPERAND_ADDRESS):
18030         (THUMB_PRINT_OPERAND_ADDRESS): Delete and move code to...
18031         * config/arm/arm.c (arm_print_operand_address): ...here.  New function.
18032         (arm_print_operand): Make static.
18033         (arm_print_operand_punct_valid_p): New function.
18034         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
18035         (TARGET_PRINT_OPERAND_ADDRESS): Define.
18036
18037 2010-06-16  Nick Clifton  <nickc@redhat.com>
18038
18039         * config/rx/constraints.md (NEGint4): New constraint.
18040         * config/rx/rx.md (attr cc): Add set_zsc.
18041         (cbranchsf4): Only test for -fnon-call-exceptions if cfun has been
18042         initialised.
18043         (cmpsf): Likewise.
18044         (call_internal): Clobber the cc0 register.
18045         (call_value_internal): Likewise.
18046         (cstoresi4): Likewise.
18047         (movsieq): Likewise.
18048         (movsine): Likewise.
18049         (addsi3): Add alternative to handle small negative constants.
18050         (sunsi3): Likewise.
18051         (addsi3): Do not set the O bit in the cc0 register.
18052         (adddi3): Likewise.
18053         (subsi3): Likewise.
18054         (subdi3): Likewise.
18055         (andsi3): Reorder alternatives to prefer shorter forms.
18056         (mulsi3): Likewise.
18057         (iorsi3): Likewise.
18058         (negsi2): Note that the cc0 flags are set.
18059         (rotlsi3): Note that only the Z and S bits are set in cc0.
18060         (lshrsi3): Likewise.
18061         (ashlsi3): Likewise.
18062         (subsf3): Use %Q for the MEM operand.
18063         (fix_truncsfsi2): Likewise.
18064         (floatsisf2): Likewise.
18065         (bitset): Remove early clobber from destination.
18066         (bitset_in_memory): Likewise.
18067         (lrintsf2): Clobber the cc0 register.
18068         * config/rx/rx.c (rx_notice_update_cc): Handle CC_SET_ZSC.
18069         (rx_print_operand): Handle %N.
18070
18071 2010-06-16  Jan Hubicka  <jh@suse.cz>
18072
18073         * df-core.c (df_compact_blocks): Free problem_temps vector.
18074
18075 2010-06-16  Martin Jambor  <mjambor@suse.cz>
18076
18077         PR tree-optimization/43905
18078         * tree-sra.c: Include tree-inline.h.
18079         (create_abstract_origin): Removed.
18080         (modify_function): Version the call graph node instead of creating
18081         abstract origins and dealing with same_body aliases.
18082         * tree-sra.c (ipa_sra_preliminary_function_checks): Check whether the
18083         function is versionable.
18084         * Makefile.in (tree-sra.o): Add TREE_INLINE_H to dependencies.
18085
18086 2010-06-16  Maxim Kuvyrkov  <maxim@codesourcery.com>
18087
18088         * config/mips/linux64.h (BIONIC_DYNAMIC_LINKERN32): Define.
18089         (CHOOSE_DYNAMIC_LINKER): Update.
18090
18091 2010-06-15  Uros Bizjak  <ubizjak@gmail.com>
18092
18093         * config/i386/i386.c (*prefetch_sse_<mode>):  Macroize insn from
18094         *prefetch_sse and *prefetch_sse_rex using P mode iterator.
18095         (*prefetch_3dnow_<mode>): Ditto from *prefetch_3dnow and
18096         *prefetch_3dnow_rex.
18097
18098 2010-06-15  Anatoly Sokolov  <aesok@post.ru>
18099
18100         * target.h (struct asm_out):Add declare_constant_name field.
18101         * target-def.h (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
18102         (TARGET_INITIALIZER): Use TARGET_ASM_DECLARE_CONSTANT_NAME.
18103         * output.h (default_asm_declare_constant_name): Declare.
18104         (assemble_label): Update prototype.
18105         * varasm.c (assemble_constant_contents): Use
18106         targetm.asm_out.declare_constant_name target hook.
18107         (assemble_label): Add 'file' argument.
18108         (default_asm_declare_constant_name): New function.
18109         * system.h (ASM_DECLARE_CONSTANT_NAME): Poison.
18110         * doc/tm.texi (ASM_DECLARE_CONSTANT_NAME): Remove.
18111         (TARGET_ASM_DECLARE_CONSTANT_NAME): Document it.
18112
18113         * config/darwin-protos.h (darwin_asm_declare_constant_name): Declare.
18114         * config/darwin.c (darwin_asm_declare_constant_name): New function.
18115         (machopic_output_indirection): Update assemble_label argument list.
18116         * config/darwin.h (ASM_DECLARE_CONSTANT_NAME): Remove.
18117         (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
18118
18119 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
18120
18121         PR middle-end/44391
18122         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
18123         size_one_node for pointer types.  Do not call gmp_cst_to_tree.
18124
18125 2010-06-15  Richard Guenther  <rguenther@suse.de>
18126
18127         * tree-ssa-pre.c (eliminate): Handle PHI elimination to constants.
18128
18129 2010-06-15  Paul Brook  <paul@codesourcery.com>
18130
18131         * config/arm/arm.c (use_vfp_abi): Add sorry() for Thumb-1
18132         hard-float ABI.
18133
18134 2010-06-15  Alexandre Oliva  <aoliva@redhat.com>
18135
18136         * tree-vect-patterns.c (vect_pattern_recog_1): Bail out if we
18137         don't get a vector type for output.
18138
18139 2010-06-15  Jakub Jelinek  <jakub@redhat.com>
18140
18141         PR fortran/44536
18142         * langhooks.h (struct lang_hooks_for_decls): Add omp_report_decl.
18143         * langhooks-def.h (LANG_HOOKS_OMP_REPORT_DECL): Define.
18144         (LANG_HOOKS_DECLS): Add it.
18145         * gimplify.c (omp_notice_variable): Call
18146         lang_hooks.decls.omp_report_decl.
18147
18148 2010-06-15  Martin Jambor  <mjambor@suse.cz>
18149
18150         PR lto/44464
18151         * tree-sra.c (replace_removed_params_ssa_names): Call release_ssa_name
18152         on the newly dead SSA name.
18153
18154 2010-06-15  Alan Modra  <amodra@gmail.com>
18155
18156         * doc/invoke.texi: Add mcmodel to powerpc options.
18157         * configure.ac: Add HAVE_LD_LARGE_TOC test.
18158         * configure: Regenerate.
18159         * config.in: Regenerate.
18160         * config/rs6000/linux64.opt (mcmodel): New.
18161         * config/rs6000/linux64.h (TARGET_USES_LINUX64_OPT): Define.
18162         (TARGET_CMODEL, SET_CMODEL): Define.
18163         (SUBSUBTARGET_OVERRIDE_OPTIONS): Check user -mcmodel choice,
18164         select CMODEL_MEDIUM default.
18165         * config/rs6000/rs6000.h (enum rs6000_cmodel): New.
18166         (TARGET_CMODEL): Define default.
18167         * config/rs6000/rs6000.c (cmodel): New variable.
18168         (rs6000_explicit_options): Add cmodel field.
18169         (rs6000_handle_option): Handle -mcmodel.
18170         (create_TOC_reference): Add largetoc_reg param.  Generate high,
18171         lo_sum rtl for CMODEL_MEDIUM and CMODEL_LARGE.  Update all callers.
18172         (rs6000_delegitimize_address): Recognise new toc reference rtl
18173         and minimal-toc rtl.
18174         (rs6000_legitimize_reload_address): Handle new toc references.
18175         (print_operand_address): Handle legitimate_constant_pool_address_p
18176         match before lo_sum.
18177         (rs6000_eliminate_indexed_memrefs): Tidy.
18178         (rs6000_emit_move): Tweak threshold for inlining constants.
18179         Keep rs6000_emit_allocate_stack large stack frame offsets
18180         loaded into r0 inline.
18181         (rs6000_generate_compare <cmptf_internal2>): One more clobber.
18182         (tocrel_base, tocrel_offset): New variables.
18183         (toc_relative_expr_p): Set them here.
18184         (print_operand_address): Skip over any offset on constant pool address.
18185         (rs6000_output_addr_const_extra): Print tocrel_offset before @toc.
18186         (rs6000_mode_dependent_address <LO_SUM>): False for new toc refs.
18187         (offsettable_ok_by_alignment): New function.
18188         (rs6000_emit_move): Address suitably aligned local symbol_refs
18189         relative to the toc pointer for -mcmodel=medium.
18190         (legitimate_constant_pool_address_p): Make param const_rtx.  Add
18191         strict param.  Allow lo_sum version of addressing.  Verify reg
18192         used for -mminimal-toc and -mcmodel != small.  Update all callers.
18193         * config/rs6000/constraints.md: Update for above change.
18194         * config/rs6000/predicates.md: Likewise.
18195         * config/rs6000/rs6000.md (tls_gd_aix): Generate -mcmodel=medium/large
18196         code.
18197         (tls_gd): Split for -mcmodel=medium/large.
18198         (tls_gd_high, tls_gd_low): New.
18199         (tls_ld_aix, tls_ld, tls_ld_high, tls_ld_low): Similarly.
18200         (tls_got_dtprel, tls_got_dtprel_high, tls_got_dtprel_low): Similarly.
18201         (tls_got_tprel, tls_got_tprel_high, tls_got_tprel_low): Similarly.
18202         (largetoc_high, largetoc_low): New.
18203         (cmptf_internal2): Add clobber.
18204         * config/rs6000/rs6000-protos.h: Update.
18205
18206 2010-06-14  Changpeng Fang  <changpeng.fang@amd.com>
18207
18208         * tree-ssa-loop-prefetch.c (nothing_to_prefetch_p): New.  Return
18209         true if no prefetch is going to be generated for a given group.
18210         (estimate_prefetch_count): Use prefetch_mod and unroll_factor to
18211         estimate the prefetch_count.
18212         (loop_prefetch_arrays): Call nothing_to_prefetch_p; estimate the
18213         prefetch count by considering the unroll_factor and prefetch_mod
18214         for is_loop_prefetching_profitable.
18215
18216 2010-06-14  Andreas Schwab  <schwab@linux-m68k.org>
18217
18218         * config/m68k/m68k.c (m68k_delegitimize_address): Don't do
18219         anything if the argument is not a MEM.
18220
18221 2010-06-14  Alexandre Oliva  <aoliva@redhat.com>
18222
18223         PR debug/43650
18224         PR debug/44181
18225         PR debug/44247
18226         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Skip
18227         debug stmts.
18228         (canonicalize_loop_ivs): Likewise.
18229
18230 2010-06-14  Alexandre Oliva  <aoliva@redhat.com>
18231
18232         PR debug/43656
18233         * haifa-sched.c (setup_insn_reg_pressure_info,
18234         update_register_pressure): Reject debug insns.
18235         (ready_sort): Don't setup reg pressure for debug insns.
18236         (schedule_insn): Don't update reg pressure for debug insns.
18237
18238 2010-06-14  Richard Guenther  <rguenther@suse.de>
18239
18240         * lto-streamer.c (cached_bp): Remove.
18241         (bitpack_delete): Likewise.
18242         (bitpack_create): Likewise.
18243         (bp_get_next_word): Likewise.
18244         (bp_pack_value, bp_unpack_value): Move ...
18245         * lto-streamer.h (bp_pack_value, bp_unpack_value): ... here.
18246         Re-implement.
18247         (struct bitpack_d): Likewise.
18248         (bitpack_create, lto_output_bitpack, lto_input_bitpack):
18249         New inline functions.
18250         * lto-streamer-out.c (lto_output_bitpack): Remove.
18251         (pack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
18252         (pack_value_fields): Adjust.
18253         (lto_write_tree): Likewise.
18254         (output_gimple_stmt): Likewise.
18255         (output_function): Likewise.
18256         * lto-streamer-in.c (input_gimple_stmt): Adjust.
18257         (input_function): Likewise.
18258         (unpack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
18259         (lto_input_bitpack): Remove.
18260         (lto_materialize_tree): Adjust.
18261         * Makefile.in (ipa-prop.o): Add $(LTO_STREAMER_H) dependency.
18262         * lto-cgraph.c (lto_output_edge): Adjust.
18263         (lto_output_node): Likewise.
18264         (lto_output_varpool_node): Likewise.
18265         (lto_output_ref): Likewise.
18266         (input_node): Likewise.
18267         (input_varpool_node): Likewise.
18268         (input_ref): Likewise.
18269         (input_edge): Likewise.
18270         (output_node_opt_summary): Likewise.
18271         (input_node_opt_summary): Likewise.
18272         * ipa-pure-const.c (pure_const_write_summary): Likewise.
18273         (pure_const_read_summary): Likewise.
18274         * ipa-prop.c (ipa_write_indirect_edge_info): Likewise.
18275         (ipa_read_indirect_edge_info): Likewise.
18276         (ipa_write_node_info): Likewise.
18277         (ipa_read_node_info): Likewise.
18278
18279 2010-06-14  H.J. Lu  <hongjiu.lu@intel.com>
18280
18281         PR target/44534
18282         * config/i386/sse.md (vec_extract_lo_<mode>): Replace 0x1 with 0x0.
18283         (vec_extract_lo_v16hi): Likewise.
18284         (vec_extract_lo_v32qi): Likewise.
18285
18286 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
18287
18288         PR bootstrap/44426
18289         * tree.h (build_call_expr): Don't define as vararg macro, instead
18290         add a prototype.
18291         * builtins.c (build_call_nofold): Remove.
18292         (expand_builtin_int_roundingfn, expand_builtin_pow,
18293         expand_builtin_mempcpy_args, expand_builtin_stpcpy,
18294         expand_builtin_memset_args, expand_builtin_strcmp,
18295         expand_builtin_strncmp, expand_builtin_memory_chk): Use
18296         build_call_nofold_loc instead of build_call_nofold.
18297         (build_call_expr): New function.
18298
18299         PR tree-optimization/44508
18300         * tree-ssa-propagate.h (substitute_and_fold): Add DO_DCE argument.
18301         * tree-ssa-propagate.c (substitute_and_fold): If !DO_DCE,
18302         don't eliminate trivially dead stmts.
18303         * tree-vrp.c (vrp_finalize): Pass false as last argument
18304         to substitute_and_fold.
18305         * tree-ssa-copy.c (fini_copy_prop): Pass true as last argument
18306         to substitute_and_fold.
18307         * tree-ssa-ccp.c (ccp_finalize): Likewise.
18308
18309         PR bootstrap/44509
18310         * c-config-lang.in (gtfiles): Add c-family/c-cppbuiltin.c.
18311
18312 2010-06-14  Ira Rosen  <irar@il.ibm.com>
18313
18314         PR tree-optimization/44507
18315         * tree-vect-loop.c (get_initial_def_for_reduction): Use -1
18316         to build initial vector for BIT_AND_EXPR.
18317         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
18318
18319 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
18320
18321         * config/s390/s390.md (*mov<mode>_64 DD_DF, mov<mode>): Properly
18322         adjust z10prop set_attr.
18323
18324 2010-06-13  Jan Hubicka  <jh@suse.cz>
18325
18326         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
18327         bitmap_and_compl_into, bitmap_compl_and_into, bitmap_ior,
18328         bitmap_ior_into, bitmap_xor, bitmap_xor_into,
18329         bitmap_ior_and_compl, bitmap_ior_and_compl): Turn internal
18330         datastructure checks into checking asserts.
18331         * rtlanal.c (find_reg_note): Use gcc_checking_assert.
18332         * tree-ssa-sccvn.c (VN_INFO): Likewise.
18333         * df-scan.c (df_reorganize_refs_by_reg_by_reg, df_install_ref,
18334         df_ref_create_structure): Likewise.
18335         * alloc-pool.c (create_alloc_pool, empty_alloc_pool, pool_alloc,
18336         pool_free): Use gcc_checking_assert.
18337         * alias.c (get_alias_set): Likewise.
18338         * var-tracking.c (variable_htab_free, shared_hash_copy,
18339         canonicalize_values_mark, variable_merge_over_cur): Likewise.
18340         * lto-streamer.c (bp_unpack_value): Likewise.
18341
18342 2010-06-13  Richard Guenther  <rguenther@suse.de>
18343
18344         * lto-streamer-in.c (lto_input_ts_type_tree_pointers):
18345         Do not stream but initialize TYPE_CANONICAL to NULL.
18346         (lto_output_ts_type_tree_pointers): Do not stream TYPE_CANONICAL.
18347         * gimple.c (gimple_types_compatible_p): Disregard
18348         TYPE_STRUCTURAL_EQUALITY_P.
18349         (gimple_register_type): Use TYPE_CANONICAL as cache.
18350         * lto-streamer.c (lto_record_common_node): Zero TYPE_CANONICAL
18351         before registering common types.
18352         * config/i386/i386.c (ix86_function_arg_boundary): Do not
18353         use TYPE_CANONICAL, instead use TYPE_MAIN_VARIANT.
18354         * tree.h (TYPE_CANONICAL): Clarify documentation.
18355
18356 2010-06-13  Anatoly Sokolov  <aesok@post.ru>
18357
18358         * config/ia64/ia64.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
18359         LIBCALL_VALUE): Remove macros.
18360         * config/ia64/ia64-protos.h (ia64_function_value): Remove.
18361         * config/ia64/ia64.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
18362         TARGET_FUNCTION_VALUE_REGNO_P): Define.
18363         (ia64_libcall_value, ia64_function_value_regno_p): New functions.
18364         (ia64_function_value): Make static. Handle receiving the function
18365         type in 'fn_decl_or_type' argunent. Add 'outgoing' argument.
18366
18367 2010-06-12  Jan Hubicka  <jh@suse.cz>
18368
18369         * cse.c (cse_extended_basic_block): Move optimize_bb_for_speed_p
18370         at correct place.
18371
18372 2010-06-12  Bernd Schmidt  <bernds@codesourcery.com>
18373
18374         * config/arm/arm.c (thumb2_reorg): Fix errors in previous change.
18375
18376 2010-06-12  Jan Hubicka  <jh@suse.cz>
18377
18378         * df-core.c (df_clear_bb_info): New function.
18379         (df_set_blocks): bb_info is always allocated.
18380         (df_get_bb_info): Use block_info_elt_size.
18381         (df_set_bb_info): Likewise.
18382         (df_compact_blocks): Update for new block_info.
18383         (grow_bb_info): New function.
18384         * df-problems.c (df_grow_bb_info): Move to df-core.c
18385         (df_rd_set_bb_info): Remove.
18386         (df_rd_free_bb_info): Do not free block pool.
18387         (df_rd_alloc): Do not create pool, use check for
18388         obstack presence instead of NULL pointer for new blocks.
18389         (df_rd_free): DO not free alloc pool; clear block_info.
18390         (problem_RD): Add size of block info structure.
18391         (df_lr_set_bb_info): Remove.
18392         (df_lr_free_bb_info): Do not free block pool.
18393         (df_lr_alloc): Do not create pool, use check for
18394         obstack presence instead of NULL pointer for new blocks.
18395         (df_lr_free): DO not free alloc pool; clear block_info.
18396         (problem_LR): Add size of block info structure.
18397         (df_live_set_bb_info): Remove.
18398         (df_live_free_bb_info): Do not free block pool.
18399         (df_live_alloc): Do not create pool, use check for
18400         obstack presence instead of NULL pointer for new blocks.
18401         (df_live_free): DO not free alloc pool; clear block_info.
18402         (problem_LIVE): Add size of block info structure.
18403         (problem_CHAIN): Add size of block info structure.
18404         (df_byte_lr_set_bb_info): Remove.
18405         (df_byte_lr_free_bb_info): Do not free block pool.
18406         (df_byte_lr_alloc): Do not create pool, use check for
18407         obstack presence instead of NULL pointer for new blocks.
18408         (df_byte_lr_free): DO not free alloc pool; clear block_info.
18409         (problem_BYTE_LR): Add size of block info structure.
18410         (problem_NOTE): Add size of block info structure.
18411         (df_byte_MD_set_bb_info): Remove.
18412         (df_byte_MD_free_bb_info): Do not free block pool.
18413         (df_byte_MD_alloc): Do not create pool, use check for
18414         obstack presence instead of NULL pointer for new blocks.
18415         (df_byte_MD_free): DO not free alloc pool; clear block_info.
18416         (problem_BD): Add size of block info structure.
18417         * df-scan.c (df_scan_free_internal): Free block pool.
18418         (df_scan_set_bb_info): Remove.
18419         (df_scan_free_bb_info): Check for artificial_defs instead
18420         of bb_info being non-NULL.
18421         (df_scan_alloc): DO not create df_scan_block pool.
18422         (problem_SCAN): Set size of block info.
18423         (df_bb_refs_record): Do not allocate bb_info.
18424         * df.h (df_problem): Add block_info_elt_size.
18425         (struct dataflow): Change block_info to void *.
18426         (df_scan_get_bb_info, df_rd_get_bb_info, df_lr_get_bb_info,
18427         df_md_get_bb_info, df_live_get_bb_info, df_byte_lr_get_bb_info): Return
18428         in-line structures.
18429
18430 2010-06-12  Jan Hubicka  <jh@suse.cz>
18431
18432         PR tree-optimize/44485
18433         * tree-cfgcleanup.c (fixup_noreturn_call): Remove basic blocks
18434         containing use of return value of noreturn function.
18435
18436 2010-06-12  Anatoly Sokolov  <aesok@post.ru>
18437
18438         * targhooks.c (default_function_value): Don't use
18439         FUNCTION_OUTGOING_VALUE.
18440         * system.h (FUNCTION_OUTGOING_VALUE): Poison.
18441         * doc/tm.texi (FUNCTION_OUTGOING_VALUE): Removed.
18442
18443 2010-06-12  Kazu Hirata  <kazu@codesourcery.com>
18444
18445         * config.gcc (mips64*-*-linux*, mipsisa64*-*-linux*, mips*-*-linux*):
18446         Add crtfastmath.o to extra_parts.
18447         * config/mips/crtfastmath.c: New.
18448         * config/mips/linux.h (ENDFILE_SPEC): New.
18449
18450 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
18451
18452         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
18453         old_type in parameter.
18454         (gcc_type_for_value): Update call to gcc_type_for_interval.
18455         (compute_type_for_level_1): Renamed compute_type_for_level.
18456         Update call to gcc_type_for_interval.
18457
18458 2010-06-11  Joseph Myers  <joseph@codesourcery.com>
18459
18460         * common.opt (Wstrict-aliasing=, Wstrict-overflow=, fabi-version=,
18461         flto-compression-level=, ftree-parallelize-loops=): Add RejectNegative.
18462
18463 2010-06-11  Joseph Myers  <joseph@codesourcery.com>
18464
18465         * opts-common.c: Include options.h.
18466         (integral_argument): Move from opts.c.
18467         (decode_cmdline_option): New.  Based on read_cmdline_option.
18468         * opts.c (integral_argument): Move to opts-common.c.
18469         (read_cmdline_option): Move most contents to
18470         decode_cmdline_option.  Use %qs in diagnostics.
18471         * opts.h (CL_ERR_DISABLED, CL_ERR_MISSING_ARG, CL_ERR_WRONG_LANG,
18472         CL_ERR_UINT_ARG, struct cl_decoded_option, integral_argument,
18473         decode_cmdline_option): New.
18474
18475 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
18476
18477         PR target/44481
18478         * config/i386/i386.md (UNSPEC_PARITY): New unspec.
18479         (paritydi2_cmp): Use UNSPEC_PARITY unspec instead of parity RTX.
18480         (partiysi2_cmp): Ditto.
18481         (*partiyhi2_cmp): Ditto.
18482         (*parityqi2_cmp): Remove.
18483
18484 2010-06-11  Jan Hubicka  <jh@suse.cz>
18485
18486         * bitmap.h (bmp_iter_next_bit): New.
18487         (bmp_iter_set, bmp_iter_and, bmp_iter_and_compl): Use it.
18488
18489 2010-06-11  Sandra Loosemore  <sandra@codesourcery.com>
18490             Eric Botcazou  <ebotcazou@adacore.com>
18491
18492         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Return again the
18493         computed cost.
18494
18495 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
18496
18497         * config/i386/i386.md (unspec): New define_c_enum.
18498         (unspecv): Ditto.
18499
18500 2010-06-10  Jakub Jelinek  <jakub@redhat.com>
18501
18502         * Makefile.in (c-family/c-cppbuiltin.o): Depend on $(CPP_ID_DATA_H).
18503
18504 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
18505
18506         PR middle-end/44483
18507         * tree-if-conv.c (bb_predicate_s): New struct.
18508         (bb_predicate_p): New.
18509         (bb_has_predicate): New.
18510         (bb_predicate): New.
18511         (set_bb_predicate): New.
18512         (bb_predicate_gimplified_stmts): New.
18513         (set_bb_predicate_gimplified_stmts): New.
18514         (add_bb_predicate_gimplified_stmts): New.
18515         (init_bb_predicate): New.
18516         (free_bb_predicate): New.
18517         (is_predicated): Use bb_predicate.
18518         (add_to_predicate_list): Use bb_predicate and set_bb_predicate.
18519         (predicate_bbs): Same.  Gimplify the condition of the basic blocks
18520         before processing their successors.
18521         (clean_predicate_lists): Removed.
18522         (find_phi_replacement_condition): Use bb_predicate.
18523         (process_phi_nodes): Renamed ifconvert_phi_nodes.  Avoid useless
18524         computations.
18525         (insert_gimplified_predicates): New.
18526         (combine_blocks): Call insert_gimplified_predicates.
18527         (tree_if_conversion): Call free_bb_predicate instead of
18528         clean_predicate_lists.
18529
18530 2010-10-11  Paul Brook  <paul@codesourcery.com>
18531
18532         * doc/invoke.texi: Document ARM -mcpu=cortex-m4.
18533         * config/arm/arm.c (all_architectures): Change v7e-m default to
18534         cortexm4.
18535         * config/arm/arm-cores.def: Add cortex-m4.
18536         * config/arm/arm-tune.md: Regenerate.
18537
18538 2010-06-11  Jan Hubicka  <jh@suse.cz>
18539
18540         * ipa-pure-const.c (special_builtlin_state): New function.
18541         (check_call): Use it instead of special casign BUILT_IN_RETURN.
18542         (propagate_pure_const): Use it.
18543
18544 2010-06-11  Jan Hubicka  <jh@suse.cz>
18545
18546         * df-problems.c (df_live_scratch): Convert to bitmap_head.
18547         (df_live_alloc): Initialize df_live_scratch when initializing
18548         problem_data.
18549         (df_live_transfer_function): Update uses of df_live_scratch.
18550         (df_live_free): Free problem_data; clear df_live_scratch before
18551         releasing the obstack.
18552         (df_md_free): Free problem data.
18553
18554 2010-06-11  Jan Hubicka  <jh@suse.cz>
18555
18556         * doc/invoke.texi (Wsuggest-attribute): Document.
18557         (Wmissing-noreturn): Remove.
18558         * ipa-pure-const.c (warn_function_noreturn): New function.
18559         * opts.c (decode_options): Set warn_suggest_attribute_noreturn on
18560         warn_missing_noreturn.
18561         * common.opt (Wsuggest-attribute=noreturn): New.
18562         * tree-flow.h (warn_function_noreturn): Declare.
18563         * tree-cfg.c (execute_warn_function_noreturn): Use
18564         warn_function_noreturn.
18565         (gate_warn_function_noreturn): New.
18566         (pass_warn_function_noreturn): Update.
18567
18568 2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18569
18570         * c-typeck.c (handle_warn_cast_qual): Add loc
18571         parameter. Improve warning message.
18572         (build_c_cast): Pass location to handle_warn_cast_qual.
18573
18574 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
18575
18576         * config/i386/i386.md (pro_epilogue_adjust_stack_1) <TYPE_ALU>: Assert
18577         that operand 0 == operand 1.  Use x86_maybe_negate_const_int to output
18578         insn mnemonic.
18579         (pro_epilogue_adjust_stack_rex64) <TYPE_ALU>: Ditto.
18580
18581 2010-06-10  Dodji Seketeli  <dodji@redhat.com>
18582
18583         Fix bootstap on mips
18584         * dwarf2out.c (is_naming_typedef_dec): Built-in TYPE_DECLs cannot
18585         be naming typedefs.
18586
18587 2010-06-11  Kai Tietz  <kai.tietz@onevision.com>
18588
18589         * system.h (helper_const_non_const_cast): New inline for
18590         gcc version <= 4.0.
18591         (CONST_CAST2): For gcc version <= 4.0 use
18592         new helper to do const/non-const casting.
18593
18594 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18595
18596         * doc/md.texi: Document the "unspec" and "unspecv" enum names.
18597         * Makefile.in (OBJS-common): Include insn-enums.o.
18598         (insn-enums.o): New rule.
18599         (simple_generated_c): Add insn-enums.c.
18600         (build/genenums.o): New rule.
18601         (genprogmd): Add "enums".
18602         * genconstants.c (print_enum_type): Declare a C string array
18603         for each enum.
18604         * genenums.c: New file.
18605         * print-rtl.c (print_rtx): If defined, use the "unspecv" enum
18606         for UNSPEC_VOLATILE.  If defined, use the "unspec" enum for both
18607         UNSPEC and (as a fallback) for UNSPEC_VOLATILE.
18608
18609 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18610
18611         * doc/md.texi (define_enum_attr): Document.
18612         * rtl.def (DEFINE_ENUM_ATTR): New rtx.
18613         * read-md.h (lookup_enum_type): Declare.
18614         * read-md.c (lookup_enum_type): New function.
18615         * genattr.c (gen_attr, main): Handle DEFINE_ENUM_ATTR.
18616         * genattrtab.c (attr_desc): Add an enum_name field.
18617         (evaluate_eq_attr): Take the associated attribute as argument.
18618         Get the enum prefix from the enum_name field, if defined.
18619         Use ACONCAT rather than a fixed-length buffer.  Update recursive calls.
18620         (simplify_test_exp): Pass attr to evaluate_eq_attr.
18621         (add_attr_value): New function, split out from...
18622         (gen_attr): ...here.  Handle DEFINE_ENUM_ATTR.
18623         (write_test_expr): Pass attr to evaluate_eq_attr.
18624         (write_attr_get): Use the enum_name as the enum tag, if defined.
18625         (write_attr_valueq): Use the enum_name as a prefix, if defined.
18626         (find_attr): Initialize enum_name.
18627         (main): Handle DEFINE_ENUM_ATTR.
18628         * gensupport.c (process_rtx): Likewise.
18629         * config/mips/mips.h (mips_tune_attr): Delete.
18630         * config/mips/mips.md (cpu): Use define_attr_enum.
18631
18632 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18633
18634         * doc/md.texi (define_c_enum, define_enum): Document.
18635         * read-md.h (md_constant): Add a parent_enum field.
18636         (enum_value, enum_type): New structures.
18637         (upcase_string, traverse_enum_types): Declare.
18638         * read-md.c (enum_types): New variable.
18639         (upcase_string, add_constant): New functions.
18640         (handle_constants): Don't create the hash table here.
18641         Use add_constant.
18642         (traverse_md_constants): Don't check for a null md_constants.
18643         (decimal_string, handle_enum, traverse_enum_types): New functions.
18644         (read_md_files): Initialize md_constants and md_enums.
18645         * genconstants.c (print_md_constant): Ignore info argument.
18646         Only print constants that belong to no enum.
18647         (print_enum_type): New function.
18648         (main): Don't pass stdout to print_md_constant.  Call print_enum_type
18649         for each defined enum type.
18650         * config/mips/mips.md (processor): New define_enum.
18651         (unspec): New define_c_enum.
18652         (UNSPEC_COMPARE_AND_SWAP, UNSPEC_COMPARE_AND_SWAP_12)
18653         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_NEW_OP_12)
18654         (UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE, UNSPEC_SYNC_EXCHANGE_12)
18655         (UNSPEC_MEMORY_BARRIER): Moved to sync.md.
18656         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
18657         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
18658         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
18659         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
18660         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
18661         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
18662         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
18663         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
18664         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
18665         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
18666         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
18667         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
18668         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
18669         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
18670         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
18671         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
18672         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
18673         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
18674         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
18675         (UNSPEC_RDDSP): Move to mips-dsp.md.
18676         (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH, UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB)
18677         (UNSPEC_ADDUH_R_QB, UNSPEC_APPEND, UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB)
18678         (UNSPEC_CMPGDU_LT_QB, UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH)
18679         (UNSPEC_DPS_W_PH, UNSPEC_MADD, UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU)
18680         (UNSPEC_MUL_PH, UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH)
18681         (UNSPEC_MULQ_S_W, UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU)
18682         (UNSPEC_PRECR_QB_PH, UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W)
18683         (UNSPEC_PREPEND, UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH)
18684         (UNSPEC_SUBU_PH, UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB)
18685         (UNSPEC_ADDQH_PH, UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W)
18686         (UNSPEC_SUBQH_PH, UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W)
18687         (UNSPEC_DPAX_W_PH, UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH)
18688         (UNSPEC_DPAQX_SA_W_PH, UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH):
18689         Moved to mips-dspr2.md.
18690         (UNSPEC_MOVE_TF_PS, UNSPEC_C, UNSPEC_ALNV_PS, UNSPEC_CABS)
18691         (UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS, UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS)
18692         (UNSPEC_ABS_PS, UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1)
18693         (UNSPEC_RECIP2, UNSPEC_SINGLE_CC, UNSPEC_SCC): Move from mips-ps-3d.md.
18694         (UNSPEC_LOONGSON_PAVG, UNSPEC_LOONGSON_PCMPEQ, UNSPEC_LOONGSON_PCMPGT)
18695         (UNSPEC_LOONGSON_PEXTR, UNSPEC_LOONGSON_PINSR_0)
18696         (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
18697         (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
18698         (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
18699         (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
18700         (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
18701         UNSPEC_LOONGSON_PSADBH)
18702         (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
18703         (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
18704         (UNSPEC_LOONGSON_PSUBD): Move to mips-loongson.md.
18705         (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
18706         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
18707         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
18708         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Move to mips-loongson2ef.md.
18709         (cpu): Update comment.
18710         * config/mips/sync.md (UNSPEC_COMPARE_AND_SWAP)
18711         (UNSPEC_COMPARE_AND_SWAP_12, UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP)
18712         (UNSPEC_SYNC_NEW_OP_12, UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE)
18713         (UNSPEC_SYNC_EXCHANGE_12, UNSPEC_MEMORY_BARRIER): Moved from mips.md.
18714         * config/mips/loongson.md (UNSPEC_LOONGSON_PAVG,
18715         UNSPEC_LOONGSON_PCMPEQ)
18716         (UNSPEC_LOONGSON_PCMPGT, UNSPEC_LOONGSON_PEXTR,
18717         UNSPEC_LOONGSON_PINSR_0)
18718         (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
18719         (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
18720         (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
18721         (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
18722         (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
18723         UNSPEC_LOONGSON_PSADBH)
18724         (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
18725         (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
18726         (UNSPEC_LOONGSON_PSUBD): Moved from mips.md
18727         * config/mips/loongson2ef.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
18728         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
18729         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
18730         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Moved from mips.md
18731         * config/mips/mips-dsp.md (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ)
18732         (UNSPEC_SUBQ_S, UNSPEC_ADDSC, UNSPEC_ADDWC, UNSPEC_MODSUB)
18733         (UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S, UNSPEC_PRECRQ_QB_PH)
18734         (UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W, UNSPEC_PRECRQU_S_QB_PH)
18735         (UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR, UNSPEC_PRECEQU_PH_QBL)
18736         (UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA, UNSPEC_PRECEQU_PH_QBRA)
18737         (UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR, UNSPEC_PRECEU_PH_QBLA)
18738         (UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL, UNSPEC_SHLL_S, UNSPEC_SHRL_QB)
18739         (UNSPEC_SHRA_PH, UNSPEC_SHRA_R, UNSPEC_MULEU_S_PH_QBL)
18740         (UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH, UNSPEC_MULEQ_S_W_PHL)
18741         (UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL, UNSPEC_DPAU_H_QBR)
18742         (UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR, UNSPEC_DPAQ_S_W_PH)
18743         (UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH, UNSPEC_DPAQ_SA_L_W)
18744         (UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL, UNSPEC_MAQ_S_W_PHR)
18745         (UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR, UNSPEC_BITREV, UNSPEC_INSV)
18746         (UNSPEC_REPL_QB, UNSPEC_REPL_PH, UNSPEC_CMP_EQ, UNSPEC_CMP_LT)
18747         (UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB, UNSPEC_CMPGU_LT_QB)
18748         (UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH, UNSPEC_EXTR_W)
18749         (UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H, UNSPEC_EXTP)
18750         (UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
18751         (UNSPEC_RDDSP): Moved from mips.md.
18752         * config/mips/mips-dspr2.md (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH)
18753         (UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB, UNSPEC_ADDUH_R_QB, UNSPEC_APPEND)
18754         (UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB, UNSPEC_CMPGDU_LT_QB)
18755         (UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH, UNSPEC_DPS_W_PH, UNSPEC_MADD)
18756         (UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU, UNSPEC_MUL_PH)
18757         (UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH, UNSPEC_MULQ_S_W)
18758         (UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU, UNSPEC_PRECR_QB_PH)
18759         (UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W, UNSPEC_PREPEND)
18760         (UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH, UNSPEC_SUBU_PH)
18761         (UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB, UNSPEC_ADDQH_PH)
18762         (UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W, UNSPEC_SUBQH_PH)
18763         (UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W, UNSPEC_DPAX_W_PH)
18764         (UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH, UNSPEC_DPAQX_SA_W_PH)
18765         (UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH): Moved from mips.md.
18766         * config/mips/mips-ps-3d.md (UNSPEC_MOVE_TF_PS, UNSPEC_C)
18767         (UNSPEC_ALNV_PS, UNSPEC_CABS, UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS)
18768         (UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS, UNSPEC_ABS_PS, UNSPEC_RSQRT1)
18769         (UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2, UNSPEC_SINGLE_CC)
18770         (UNSPEC_SCC): Moved from mips.md.
18771         * config/mips/mips.c (mips_arch, mips_tune): Change enum from
18772         "processor_type" to "processor".
18773         (mips_rtx_cost_data): Replace PROCESSOR_MAX with NUM_PROCESSOR_VALUES.
18774         * config/mips/mips.h (processor_type): Delete.
18775         (mips_cpu_info.cpu, mips_arch, mips_tune): Change enum from
18776         "processor_type" to "processor".
18777
18778 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18779
18780         * configure.ac (tm_include_list): Add insn-constants.h.
18781         * configure: Regenerate.
18782         * Makefile.in (GTM_H): Move insn-constants.h here from...
18783         (TM_H): ...here.
18784         * mkconfig.sh: Remove special handling for insn-constants.h.
18785
18786 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18787
18788         * Makefile.in (BUILD_RTL): Move build/read-md.o to...
18789         (BUILD_MD): ...this new variable.
18790         (simple_generated_rtl_h, simple_generated_rtl_c): New variables
18791         that include the old contents of simple_generated_h and
18792         simple_generated_c.
18793         (simple_generated_h, simple_generated_c): Include them.  Add
18794         insn-constants.h.
18795         (s-%): Make simple_generated_{h,c} stamps depend on $(MD_DEPS)
18796         and simple_generated_rtl_{h,c} stamps depend on insn-conditions.md.
18797         Remove these dependencies from the main rule and include
18798         insn-conditions.md in the command line only if it appears
18799         in the dependency list.
18800         (insn-constants.h, s-constants): Delete.
18801         (build/genconstants.o): Don't depend on $(RTL_BASE_H), $(GTM_H)
18802         or gensupport.h.
18803         (build/genmddeps.o): Likewise.
18804         (genprogrtl): New variable that contains everything from genprogmd
18805         except mddeps and constants.
18806         (genprogmd): Redefine in terms of genprogrtl.  Make these programs
18807         depend on $(BUILD_MD)
18808         (genprog): New variable.  Make these programs depend on
18809         $(BUILD_ERRORS).
18810         * genmddeps.c: Don't include tm.h, rtl.h or gensupport.h.
18811         (main): Use read_md_files instead of init_rtx_reader_args.
18812         * genconstants.c: As for genmddeps.c.
18813         * read-md.h (read_skip_construct): Declare.
18814         * read-md.c (read_skip_construct): New function.
18815         (handle_file): Allow a null handle_directive, skipping the
18816         construct if so.
18817         (parse_include): Update the comment accordingly.
18818
18819 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18820
18821         * Makefile.in (build/genmddeps.o): Depend on $(READ_MD_H).
18822         * genmddeps.c: Include read-md.h.
18823         (main): Call init_rtx_reader_args instead of init_md_reader_args.
18824         * genattr.c (main): Likewise.
18825         * genattrtab.c (main): Likewise.
18826         * genautomata.c (main): Likewise.
18827         * gencodes.c (main): Likewise.
18828         * genconditions.c (main): Likewise.
18829         * genconfig.c (main): Likewise.
18830         * genconstants.c (main): Likewise.
18831         * genemit.c (main): Likewise.
18832         * genextract.c (main): Likewise.
18833         * genflags.c (main): Likewise.
18834         * genopinit.c (main): Likewise.
18835         * genoutput.c (main): Likewise.
18836         * genpeep.c (main): Likewise.
18837         * genrecog.c (main): Likewise.
18838         * genpreds.c (main): Likewise.
18839         * gensupport.h (in_fname): Move to read-md.h.
18840         (init_md_reader_args_cb): Rename to...
18841         (init_rtx_reader_args_cb): ...this and return a bool.
18842         (init_md_reader_args): Rename to...
18843         (init_rtx_reader_args): ...this and return a bool.
18844         (include_callback): Move to read-md.h.
18845         * gensupport.c (in_fname, include_callback, base_dir, max_include_len)
18846         (file_name_list, first_dir_md_include): Move to read-md.c
18847         (first_bracket_include): Delete unused variable.
18848         (last_dir_md_include): Move to read-md.c.
18849         (process_include): Delete, moving code to read-md.c:handle_include.
18850         (process_rtx): Don't handle INCLUDE.
18851         (save_string): Delete.
18852         (rtx_handle_directive): New function.
18853         (init_md_reader_args_cb): Rename to...
18854         (init_rtx_reader_args_cb): ...this and return a boolean success value.
18855         Use read_md_args.
18856         (init_md_reader_args): Rename to...
18857         (init_rtx_reader_args): ...this and return a boolean success value.
18858         * rtl.def (INCLUDE): Delete.
18859         * rtl.h (read_rtx): Remove "int *" argument.  Add "const char *"
18860         argument.
18861         * read-rtl.c (read_conditions): Don't gobble ')' here.
18862         (read_mapping): Likewise.
18863         (read_rtx): Remove LINENO argument.  Add RTX_NAME argument.
18864         Handle top-level non-rtx constructs here rather than in read_rtx_1.
18865         Store the whole queue in *X.  Remove call to init_md_reader.
18866         (read_rtx_1): Rename to...
18867         (read_rtx_code): ...this.  Call read_nested_rtx to read subrtxes.
18868         Don't handle top-level non-rtx constructs here.  Don't handle (nil)
18869         here.
18870         (read_nested_rtx): New function.  Handle (nil) here rather than
18871         in read_rtx_code.
18872         (read_rtx_variadic): Call read_nested_rtx to read subrtxes.  Don't
18873         gobble ')' here.
18874         * read-md.h (directive_handler_t): New type.
18875         (in_fname, include_callback): Moved from read-md.h.
18876         (read_constants, init_md_reader): Delete.
18877         (read_md_files): Declare.
18878         * read-md.c (file_name_list, in_fname, base_dir, first_dir_md_include)
18879         (last_dir_md_include_ptr, include_callback, max_include_len): Moved
18880         from gensupport.c.
18881         (read_constants): Rename to...
18882         (handle_constants): ...this.  Don't gobble ')' here.
18883         (handle_include, handle_file, handle_toplevel_file)
18884         (parse_include): New functions, mostly taken from gensupport.c.
18885         (init_md_reader): Subsume into...
18886         (read_md_files): ...this new function.
18887
18888 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18889
18890         * read-md.h (read_char): Increment read_md_lineno after reading '\n'.
18891         (unread_char): Decrement read_md_lineno after putting back '\n'.
18892         * read-md.c (fatal_with_file_and_line): Push back any characters
18893         that we decide not to add to the context.
18894         (read_skip_spaces): Don't increment read_md_lineno here.  Avoid using
18895         fatal_expected_char in cases where '/' ends a line (for example).
18896         (read_name): Don't increment read_md_lineno here.
18897         (read_escape): Likewise.
18898         (read_quoted_string): Likewise.
18899         (read_braced_string): Likewise.
18900
18901 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18902
18903         * Makefile.in (READ_MD_H): Add $(HASHTAB_H).
18904         (build/genconstants.o): Depend on $(READ_MD_H) gensupport.h.
18905         * genconstants.c: Include read-md.h.
18906         * read-rtl.c (md_constants): Move to read-md.c.
18907         (md_name): Move to read-md.h.
18908         (initialize_iterators): Use leading_string_hash instead of def_hash
18909         and leading_string_eq_p instead of def_name_eq_p.
18910         (read_name): Move to read-md.c.
18911         (def_hash, def_name_eq_p): Delete.
18912         (read_constants, traverse_md_constants): Move to read-md.c.
18913         * rtl.h (md_constant, traverse_md_constants): Move to read-md.h.
18914         * read-md.h: Include hashtab.h.
18915         (md_name): Moved from read-rtl.c.
18916         (md_constant): Moved from read-md.h.
18917         (leading_string_hash, leading_string_eq_p, read_name)
18918         (read_constants, traverse_md_constants): Declare.
18919         * read-md.c (md_constants): Moved from read-rtl.c.
18920         (leading_string_hash, leading_string_eq_p): New functions.
18921         (read_name, read_constants, traverse_md_constants): Moved from
18922         read-rtl.c.
18923
18924 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18925
18926         * read-rtl.c (md_name): New structure.
18927         (read_name): Take an md_name instead of a buffer pointer.
18928         Use the "string" field instead of strcpy when expanding constants.
18929         (read_constants): Remove the tmp_char argument.  Update the calls
18930         to read_name, using two local name buffers instead of the tmp_char
18931         argument.  Merge the constant-creation code.
18932         (read_conditions): Remove the tmp_char argument.  Update the calls
18933         to read_name, using a local name buffer instead of the tmp_char
18934         argument.
18935         (read_mapping): Replace tmp_char variable with a local name buffer.
18936         Update the calls to read_name.
18937         (read_rtx_1): Likewise.  Update the calls to read_constants and
18938         read_conditions.
18939
18940 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18941
18942         * Makefile.in (build/read-md.o): Depend on errors.h.
18943         * read-md.h (error_with_line): Declare.
18944         * read-md.c: Include errors.h.
18945         (message_with_line_1): New function, extracted from...
18946         (message_with_line): ...here.
18947         (error_with_line): New function.
18948         * genattrtab.c: If a call to message_with_line is followed by
18949         "have_error = 1;", replace both statements with a call to
18950         error_with_line.
18951         * genoutput.c: Likewise.
18952         * genpreds.c: Likewise.
18953         * genrecog.c: If a call to message_with_line is followed by
18954         "error_count++;", replace both statements with a call to
18955         error_with_line.
18956         (errorcount): Delete.
18957         (main): Don't check it.
18958         * gensupport.c: If a call to message_with_line is followed by
18959         "errors = 1;", replace both statements with a call to error_with_line.
18960         (errors): Delete.
18961         (process_define_cond_exec): Check have_error instead of errors.
18962         (init_md_reader_args_cb): Likewise.  Don't set errors.
18963
18964 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18965
18966         * read-md.h (read_md_file): Declare.
18967         (read_char, unread_char): New functions.
18968         (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
18969         (read_quoted_string, read_string): Remove FILE * argument.
18970         * read-md.c (read_md_file): New variable.
18971         (read_md_filename, read_md_lineno): Update comments and remove
18972         unnecessary initialization.
18973         (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
18974         (read_escape, read_quoted_string, read_braced_string, read_string):
18975         Remove FILE * argument.  Update calls accordingly, using read_char
18976         and unread_char instead of getc and ungetc.
18977         * rtl.h (read_rtx): Remove FILE * argument.
18978         * read-rtl.c (iterator_group): Remove FILE * argument from
18979         "find_builtin".
18980         (iterator_traverse_data): Remove "infile" field.
18981         (find_mode, find_code, apply_mode_maps, apply_iterator_to_rtx)
18982         (add_mapping, read_name, read_constants, read_conditions)
18983         (validate_const_int, find_iterator, read_mapping, check_code_iterator)
18984         (read_rtx, read_rtx_1, read_rtx_variadic): Remove FILE * argument.
18985         Remove file arguments from all calls, using read_char and unread_char
18986         instead of getc and ungetc.
18987         * gensupport.c (process_include): Preserve read_md_file around
18988         the include.  Set read_md_file to the handle of the included file.
18989         Update call to read_rtx.
18990         (init_md_reader_args_cb): Set read_md_file to the handle of the file
18991         and remove local FILE *.  Update calls to read_rtx.
18992
18993 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
18994
18995         * read-md.h (read_rtx_lineno): Rename to...
18996         (read_md_lineno): ...this.
18997         (read_rtx_filename): Rename to...
18998         (read_md_filename): ...this.
18999         (copy_rtx_ptr_loc): Rename to...
19000         (copy_md_ptr_loc): ...this.
19001         (print_rtx_ptr_loc): Rename to...
19002         (print_md_ptr_loc): ...this.
19003         * read-md.c: Likewise.  Update references after renaming.
19004         (string_obstack): Replace RTL with MD in comment.
19005         (set_rtx_ptr_loc): Rename to...
19006         (set_md_ptr_loc): ...this.
19007         (get_rtx_ptr_loc): Rename to...
19008         (get_md_ptr_loc): ...this.
19009         * genconditions.c: Update references after renaming.
19010         * genemit.c: Likewise.
19011         * genoutput.c: Likewise.
19012         * genpreds.c: Likewise.
19013         * gensupport.c: Likewise.
19014         * read-rtl.c: Likewise.
19015
19016 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
19017
19018         * Makefile.in (READ_MD_H): New variable.
19019         (BUILD_RTL): Add build/read-md.o.
19020         (lto-wrapper.o): Depend on coretypes.h instead of defaults.h.
19021         (build/gensupport.o, build/read-rtl.o, build/genattr.o)
19022         (build/genattrtab.o, build/genconditions.o build/genemit.o)
19023         (build/genextract.o, build/genflags.o, build/genoutput.o)
19024         (build/genpreds.o, build/genrecog.o): Depend on $(READ_MD_H).
19025         (build/read-md.o): New rule.
19026         * defaults.h (obstack_chunk_alloc, obstack_chunk_free)
19027         (OBSTACK_CHUNK_SIZE, gcc_obstack_init): Move to...
19028         * coretypes.h: ...here.
19029         * lto-wrapper.c: Include coretypes.h instead of defaults.h.
19030         * pretty-print.c (obstack_chunk_alloc, obstack_chunk_free): Delete.
19031         * genattr.c: Include read-md.h.
19032         * genattrtab.c: Likewise.
19033         * genconditions.c: Likewise.
19034         * genemit.c: Likewise.
19035         * genextract.c: Likewise.
19036         * genflags.c: Likewise.
19037         * genoutput.c: Likewise.
19038         * genpreds.c: Likewise.
19039         * genrecog.c: Likewise.
19040         * rtl.h (read_skip_spaces, copy_rtx_ptr_loc, print_rtx_ptr_loc)
19041         (join_c_conditions, print_c_condition, read_rtx_filename)
19042         (read_rtx_lineno): Move to read-md.h.
19043         * read-rtl.c: Include read-md.h.
19044         (ptr_loc, string_obstack, ptr_locs, ptr_loc_obstack)
19045         (joined_conditions, joined_conditions_obstack, read_rtx_lineno)
19046         (read_rtx_filename, fatal_with_file_and_line, fatal_expected_char)
19047         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc, get_rtx_ptr_loc)
19048         (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
19049         (print_c_condition, read_skip_spaces, read_escape, read_quoted_string)
19050         (read_braced_string, read_string): Move to read-md.c.
19051         (read_rtx): Move some initialization to init_md_reader and call
19052         init_md_reader here.
19053         * gensupport.h (message_with_line, n_comma_elts, scan_comma_elt):
19054         Move to read-md.h.
19055         * gensupport.c: Include read-md.h.
19056         (message_with_line, n_comma_elts, scan_comma_elt): Move to read-md.c.
19057         * read-md.h, read-md.c: New files.
19058
19059 2010-06-10  Anatoly Sokolov  <aesok@post.ru>
19060
19061         * config/moxie/moxie.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
19062         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
19063         * config/moxie/moxie-protos.h (moxie_function_value): Remove.
19064         * config/moxie/moxie.c (moxie_function_value): Make static.
19065         (moxie_libcall_value, moxie_function_value_regno_p): New functions.
19066         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
19067
19068 2010-06-10  Martin Jambor  <mjambor@suse.cz>
19069
19070         * Makefile.in (tree-sra.o): Add DBGCNT_H to dependencies.
19071         * dbgcnt.def (tree_sra): New counter.
19072         * tree-sra.c: Include dbgcnt.h.
19073         (gate_intra_sra): Check tree_sra debug counter.
19074
19075 2010-06-10  Martin Jambor  <mjambor@suse.cz>
19076
19077         PR tree-optimization/44258
19078         * tree-sra.c (build_access_subtree): Return false iff there is a
19079         partial overlap.
19080         (build_access_trees): Likewise.
19081         (analyze_all_variable_accesses): Disqualify candidates if
19082         build_access_trees returns true for them.
19083
19084 2010-06-10  Alexandre Oliva  <aoliva@redhat.com>
19085
19086         PR debug/41371
19087         * var-tracking.c (find_loc_in_1pdv): Remove recursion, only
19088         tail-recurse into canonical node.  Fast-forward over
19089         non-canonical VALUEs.
19090
19091 2010-06-10  H.J. Lu  <hongjiu.lu@intel.com>
19092
19093         PR boostrap/44470
19094         * config/i386/i386.md (*add<mode>_1): Revert revision 160394.
19095         (*addsi_1_zext) <TYPE_LEA>: Likewise.
19096         (add lea splitter): Likewise.
19097         (add_zext lea splitter): Likewise.
19098
19099 2010-06-10  Joseph Myers  <joseph@codesourcery.com>
19100
19101         * common.opt (fshow-column): Don't mark as C ObjC C++ ObjC++.
19102
19103 2010-06-10  Jan Hubicka  <jh@suse.cz>
19104
19105         * df-problems.c (df_live_problem_data): Add live_bitmaps.
19106         (df_live_alloc): Initialize problem data and live_osbtacks.
19107         (df_live_finalize): Remove obstack, problem data; do not
19108         clear all bitmaps.
19109         (df_live_top_dump, df_live_bottom_dump): Do not dump old
19110         data when not allocated.
19111         (df_live_verify_solution_start): Do not allocate problem data.
19112         (df_live_verify_solution_end): Check if out is allocated.
19113         (struct df_md_problem_data): New structure.
19114         (df_md_alloc): Allocate problem data.
19115         (df_md_free): Free problem data; do not clear bitmaps.
19116
19117 2010-06-10  Jan Beulich  <jbeulich@novell.com>
19118
19119         PR bootstrap/37304
19120         * configure.ac: Replace $() with ${} when intending to expand
19121         variables rather than invoking commands.
19122         * configure: Re-generate.
19123
19124 2010-06-10  Jan Hubicka  <jh@suse.cz>
19125
19126         PR rtl-optimization/44460
19127         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
19128         TYPE_NEEDS_CONSTRUCTING sanity check.
19129
19130 2010-06-10  Gerald Pfeifer  <gerald@pfeifer.com>
19131
19132         * doc/include/fdl.texi: Move to GFDL version 1.3.
19133
19134         * doc/cpp.texi: Move to GFDL version 1.3.
19135         * doc/gcc.texi: Move to GFDL version 1.3.  Fix copyright years.
19136         * doc/gccint.texi: Move to GFDL version 1.3.
19137         * doc/gcov.texi: Move to GFDL version 1.3.  Update copyright years.
19138         * doc/install.texi: Move to GFDL version 1.3.  Fix copyright years.
19139         * doc/invoke.texi: Move to GFDL version 1.3.
19140
19141 2010-06-09  Jan Hubicka  <jh@suse.cz>
19142
19143         * ipa-pure-const.c (propagate_pure_const, propagate_noreturn):
19144         Break out from ...
19145         (propagate) ... here; swap the order.
19146
19147 2010-06-09  Jan Hubicka  <jh@suse.cz>
19148
19149         * bitmap.c (bitmap_elt_insert_after, bitmap_first_set_bit,
19150         bitmap_first_set_bit, bitmap_last_set_bit, bitmap_last_set_bit,
19151         bitmap_and_into, bitmap_and_compl_into, bitmap_set_range,
19152         bitmap_compl_and_into, bitmap_elt_ior): Use checking asserts.
19153
19154 2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>
19155
19156         * tree-ssa-loop-prefetch.c (gather_memory_references_ref):
19157         Do not the gather memory reference in the outer loop if the step
19158         is not a constant.
19159
19160 2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>
19161
19162         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO) :
19163         Change the PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO threshold value from
19164         8 to 4.  Minor change of the related comments.
19165
19166 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
19167
19168         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
19169         the scev analysis when the variable is not used outside the loop
19170         in a close phi node: call compute_overall_effect_of_inner_loop.
19171
19172 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
19173
19174         * graphite-sese-to-poly.c (single_pred_cond): Renamed
19175         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
19176         (build_sese_conditions_before): Renamed call to single_pred_cond.
19177         (build_sese_conditions_after): Same.
19178
19179 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
19180
19181         * graphite-poly.h: Fix comments and indentation.
19182         * graphite-sese-to-poly.c: Same.
19183         (build_sese_conditions_before): Compute stmt and gbb only when needed.
19184         * tree-chrec.c: Fix comments and indentation.
19185         (tree-ssa-loop-niter.c): Same.
19186
19187 2010-06-09  Eric Botcazou  <ebotcazou@adacore.com>
19188
19189         PR rtl-optimization/42461
19190         * dce.c (deletable_insn_p): Return true for const or pure calls again.
19191         * except.c (insn_could_throw_p): Return false if !flag_exceptions.
19192
19193 2010-06-09  Jan Hubicka  <jh@suse.cz>
19194
19195         * bitmap.c (bitmap_and): Walk array forward.
19196         (bitmap_and_compl_into): Likewise.
19197         (bitmap_xor): Likewise.
19198         (bitmap_xor_into):  Likewise.
19199         (bitmap_equal_p): Likewise.
19200         (bitmap_intersect_p): Likewise.
19201         (bitmap_intersect_compl_p): Likewise.
19202         (bitmap_ior_and_into): Likewise.
19203         (bitmap_elt_copy): Likewise.
19204         (bitmap_and_compl): Likewise.
19205         (bitmap_elt_ior): Likewise.
19206
19207 2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>
19208
19209         * opts-common.c (prune_options): Ensure replacement argv array
19210         is correctly terminated by a NULL entry.
19211
19212 2010-06-09  Jan Hubicka  <jh@suse.cz>
19213
19214         * cgraph.h (varpool_first_static_initializer,
19215         varpool_next_static_initializer): Make checking only when
19216         checking enabled.
19217         * tree-vectorizer.h (vinfo_for_stmt): Remove check.
19218         (set_vinfo_for_stmt, get_earlier_stmt, is_loop_header_bb_p): Change
19219         gcc_assert to gcc_checking_assert.
19220         * tree-flow-inline.h (gimple_vop, get_var_ann, relink_imm_use,
19221         phi_nodes, set_phi_nodes, phi_arg_index_from_use, op_iter_next_use,
19222         op_iter_next_def, op_iter_next_tree, op_iter_init, op_iter_init_use,
19223         op_iter_init_phiuse, op_iter_init_phidef,
19224         array_ref_contains_indirect_ref, ref_contains_array_ref): Use
19225         gcc_checking_assert.
19226         * emit-rtl.h (set_first_insn, set_last_insn): Likewise.
19227         * tree-ssa-live.h (var_to_partition, var_to_partition_to_var,
19228         partition_is_global, live_on_entry, live_on_exit,
19229         live_merge_and_clear): Likewise.
19230         * system.h (gcc_checking_assert): New macro.
19231         * gimple.h (set_bb_seq): Use gcc_checking_assert.
19232
19233 2010-06-09  Jason Merrill  <jason@redhat.com>
19234
19235         * Makefile.in (TAGS): Collect tags info from c-family.
19236
19237 2010-06-09  Jan Hubicka  <jh@suse.cz>
19238
19239         * gimple.h (gcc_gimple_checking_assert): New macro.
19240         (gimple_set_def_ops, gimple_set_use_ops,
19241         gimple_set_vuse, gimple_set_vdef,
19242         gimple_omp_subcode, gimple_omp_set_subcode, gimple_ops, gimple_op,
19243         gimple_op_ptr, gimple_op_ptr, gimple_set_op, gimple_bind_set_block,
19244         gimple_asm_input_op, gimple_asm_input_op_ptr, gimple_asm_set_input_op,
19245         gimple_asm_output_op, gimple_asm_output_op_ptr,
19246         gimple_asm_set_output_op, gimple_asm_clobber_op,
19247         gimple_asm_set_clobber_op, gimple_asm_label_op,
19248         gimple_asm_set_label_op, gimple_try_set_kind,
19249         gimple_try_catch_is_cleanup, gimple_try_set_catch_is_cleanup,
19250         gimple_phi_arg, gimple_switch_num_labels, gimple_switch_set_index,
19251         gimple_switch_label, gimple_switch_set_label, gimple_omp_for_index,
19252         gimple_omp_for_index_ptr, gimple_omp_for_set_index,
19253         gimple_omp_for_initial, gimple_omp_for_initial_ptr,
19254         gimple_omp_for_set_initial, gimple_omp_for_final,
19255         gimple_omp_for_final_ptr, gimple_omp_for_set_final,
19256         gimple_omp_for_incr, gimple_omp_for_incr_ptr, gimple_omp_for_set_incr,
19257         gimple_omp_for_set_cond, gimple_omp_for_cond): Make checking
19258         conditional with ENABLE_GIMPLE_CHECKING.
19259         (gimple_phi_set_arg): Likewise; replace memcpy by assignment.
19260
19261 2010-06-09  Sandra Loosemore  <sandra@codesourcery.com>
19262
19263         * tree-ssa-loop-ivopts.c (adjust_setup_cost): New function.
19264         (get_computation_cost_at): Use it.
19265         (determine_use_iv_cost_condition): Likewise.
19266         (determine_iv_cost): Likewise.
19267
19268 2010-06-09  Richard Guenther  <rguenther@suse.de>
19269
19270         * tree-ssa-loop-niter.c (simplify_replace_tree): Do not
19271         replace constants.
19272
19273 2010-06-09  Kai Tietz  <kai.tietz@onevision.com>
19274
19275         * c-objc-common.c (c_tree_printer): Pre-intialize t by NULL_TREE.
19276
19277 2010-06-09  Martin Jambor  <mjambor@suse.cz>
19278
19279         PR tree-optimization/44423
19280         * tree-sra.c (dump_access): Dump also grp_assignment_read.
19281         (analyze_access_subtree): Pass negative allow_replacements to children
19282         if the current type is scalar.
19283
19284 2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
19285
19286         PR testsuite/42843
19287         * gcc-plugin.h (int plugin_is_GPL_compatible): Declare as extern "C".
19288         * doc/plugins.texi (Plugin license check): Update information
19289         on type of plugin_is_GPL_compatible.
19290         * Makefile.in (PLUGINCC): Define as $(COMPILER).
19291         (PLUGINCFLAGS): Define as $(COMPILER_FLAGS).
19292
19293 2010-06-09  Bernd Schmidt  <bernds@codesourcery.com>
19294
19295         * config/arm/arm.c (thumb2_reorg): New function.
19296         (arm_reorg): Call it.
19297         * config/arm/thumb2.md (define_peephole2 for flag clobbering
19298         arithmetic operations): Delete.
19299
19300 2010-06-09  Edmar Wienskoski  <edmar@freescale.com>
19301
19302         PR target/44067
19303         * config/rs6000/rs6000.md (DIFD): Do not split dpfp values for
19304         e500v2 target.
19305
19306 2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
19307
19308         PR plugins/44459
19309         * gcc-plugin.h: Encapsulate all declarations in extern "C".
19310
19311 2010-06-08  Jan Hubicka  <jh@suse.cz>
19312
19313         * basic-block.h (single_succ_edge, single_pred_edge, ei_container,
19314         ei_next, ei_prev): Do sanity checking with ENABLE_CHECKING only.
19315
19316 2010-06-08  Sandra Loosemore  <sandra@codesourcery.com>
19317
19318         PR tree-optimization/39874
19319         PR middle-end/28685
19320         * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons):
19321         Declare.
19322         * gimple-fold.c (canonicalize_bool, same_bool_comparison_p,
19323         same_bool_result_p): New.
19324         (and_var_with_comparison, and_var_with_comparison_1,
19325         and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New.
19326         (or_var_with_comparison, or_var_with_comparison_1,
19327         or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New.
19328         * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use
19329         maybe_fold_and_comparisons or maybe_fold_or_comparisons instead
19330         of combine_comparisons.
19331         * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise.
19332
19333 2010-06-08  Anatoly Sokolov  <aesok@post.ru>
19334
19335         * config/pdp11/pdp11.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
19336         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
19337         * config/pdp11/pdp11.c (pdp11_function_value, pdp11_libcall_value,
19338         pdp11_function_value_regno_p): New functions.
19339         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
19340         TARGET_FUNCTION_VALUE_REGNO_P): Define.
19341
19342 2010-06-08  Kazu Hirata  <kazu@codesourcery.com>
19343
19344         * config/arm/arm.c (arm_rtx_costs_1): Don't special case for
19345         Thumb-2 in the MINUS case.
19346
19347 2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
19348
19349         * doc/tm.texi (Per-Function Data): Do not reference ggc_alloc.
19350
19351         * doc/gty.texi (GTY Options): Document typed GC allocation and
19352         variable_size GTY option.
19353
19354         * ggc-internal.h: New.
19355
19356         * ggc.h: Update copyright year.
19357         (digit_string): Move to stringpool.c.
19358         (ggc_mark_stringpool, ggc_purge_stringpool, ggc_mark_roots)
19359         (gt_pch_save_stringpool, gt_pch_fixup_stringpool)
19360         (gt_pach_restore_stringpool, gt_pch_p_S, gt_pch_note_object)
19361         (init_ggc_pch, ggc_pch_count_object, ggc_pch_total_size)
19362         (ggc_pch_this_base, ggc_pch_alloc_object, ggc_pch_prepare_write)
19363         (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read)
19364         (ggc_force_collect, ggc_get_size, ggc_statistics)
19365         (ggc_print_common_statistics): Move to ggc-internal.h.
19366         (digit_vector, new_ggc_zone, destroy_ggc_zone, ggc_alloc_stat)
19367         (ggc_alloc, ggc_alloc_cleared, ggc_realloc, ggc_calloc, GGC_NEW)
19368         (GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR, ggc_alloc_rtvec)
19369         (ggc_alloc_tree, gt_pch_save, ggc_min_expand_heuristic)
19370         (ggc_min_heapsize_heuristic, ggc_alloc_zone)
19371         (ggc_alloc_zone_pass_stat): Remove.
19372         (ggc_internal_alloc_stat, ggc_internal_alloc)
19373         (ggc_internal_cleared_alloc_stat): New.
19374         (GGC_RESIZEVEC, GGC_RESIZEVAR): Redefine.
19375         (ggc_internal_vec_alloc_stat)
19376         (ggc_internal_cleared_vec_alloc_stat)
19377         (ggc_internal_vec_alloc_stat, ggc_internal_cleared_vec_alloc)
19378         (ggc_alloc_atomic_stat, ggc_alloc_atomic)
19379         (ggc_alloc_cleared_atomic, ggc_cleared_alloc_htab_ignore_args)
19380         (ggc_cleared_alloc_ptr_array_two_args): New.
19381         (htab_create_ggc, splay_tree_new_ggc): Redefine.
19382         (ggc_splay_alloc): Change the type of the first argument to
19383         enum gt_types_enum.
19384         (ggc_alloc_string): Make macro.
19385         (ggc_alloc_string_stat): New.
19386         (ggc_strdup): Redefine.
19387         (rtl_zone, tree_zone, tree_id_zone): Declare unconditionally.
19388         (ggc_alloc_rtvec_sized): New.
19389         (ggc_alloc_zone_stat): Rename to ggc_internal_alloc_zone_stat.
19390         (ggc_internal_alloc_zone_pass_stat, ggc_internal_alloc_zone_stat)
19391         (ggc_internal_cleared_alloc_zone_stat)
19392         (ggc_internal_zone_alloc_stat)
19393         (ggc_internal_zone_cleared_alloc_stat)
19394         (ggc_internal_zone_vec_alloc_stat)
19395         (ggc_alloc_zone_rtx_def_stat)
19396         (ggc_alloc_zone_tree_node_stat)
19397         (ggc_alloc_zone_cleared_tree_node_stat)
19398         (ggc_alloc_cleared_gimple_statement_d_stat): New.
19399
19400         * ggc-common.c: Include ggc-internal.h.
19401         (ggc_internal_cleared_alloc_stat): Rename from
19402         ggc_alloc_cleared_stat.
19403         (ggc_realloc_stat): Use ggc_internal_alloc_stat.
19404         (ggc_calloc): Remove.
19405         (ggc_cleared_alloc_htab_ignore_args): New.
19406         (ggc_cleared_alloc_ptr_array_two_args): New.
19407         (ggc_splay_alloc): Add obj_type parameter.
19408         (init_ggc_heuristics): Formatting fixes.
19409
19410         * ggc-none.c: Update copyright year.
19411         (ggc_alloc_stat): Rename to ggc_alloc_stat.
19412         (ggc_alloc_cleared_stat): Rename to
19413         ggc_internal_cleared_alloc_stat.
19414         (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.
19415
19416         * ggc-page.c: Update copyright year.  Include ggc-internal.h.
19417         Remove references to ggc_alloc in comments.
19418         (ggc_alloc_typed_stat): Call ggc_internal_alloc_stat.
19419         (ggc_alloc_stat): Rename to ggc_internal_alloc_stat.
19420         (new_ggc_zone, destroy_ggc_zone): Remove.
19421         (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.
19422
19423         * ggc-zone.c: Include ggc-internal.h.  Remove references to
19424         ggc_alloc in comments.
19425         (ggc_alloc_zone_stat): ggc_internal_alloc_zone_stat.
19426         (ggc_internal_alloc_zone_pass_stat): New.
19427         (ggc_internal_cleared_alloc_zone_stat): New.
19428         (ggc_alloc_typed_stat): Use ggc_internal_alloc_zone_pass_stat.
19429         (ggc_alloc_stat): Rename ggc_internal_alloc_stat.
19430         (new_ggc_zone, destroy_ggc_zone): Remove.
19431
19432         * stringpool.c: Update copyright year.  Include ggc-internal.h
19433         (digit_vector): Make static.
19434         (digit_string): Moved from ggc.h.
19435         (stringpool_ggc_alloc): Use ggc_alloc_atomic.
19436         (ggc_alloc_string): Rename to ggc_alloc_string_stat.
19437
19438         * Makefile.in (GGC_INTERNAL_H): New.
19439         (ggc_common.o, ggc-page.o, ggc-zone.o, stringpool.o): Add
19440         $(GGC_INTERNAL_H) to dependencies.
19441
19442         * gentype.c: Update copyright year.
19443         (walk_type): Accept variable_size GTY option.
19444         (USED_BY_TYPED_GC_P): New macro.
19445         (write_enum_defn): Use USED_BY_TYPED_GC_P.  Do not output
19446         whitespace at the end of strings.
19447         (get_type_specifier, variable_size_p): New functions.
19448         (alloc_quantity, alloc_zone): New enums.
19449         (write_typed_alloc_def): New function.
19450         (write_typed_struct_alloc_def): Likewise.
19451         (write_typed_typed_typedef_alloc_def): Likewise.
19452         (write_typed_alloc_defns): Likewise.
19453         (output_typename, write_splay_tree_allocator_def): Likewise.
19454         (write_splay_tree_allocators): Likewise.
19455         (main): Call write_typed_alloc_defns and
19456         write_splay_tree_allocators.
19457
19458         * lto-streamer.h (lto_file_decl_data_ptr): New.
19459
19460         * passes.c (order): Define using cgraph_node_ptr.
19461
19462         * strinpool.c (struct string_pool_data): Declare nested_ptr using
19463         ht_identifier_ptr.
19464
19465         * gimple.h (union gimple_statement_d): Likewise.
19466
19467         * rtl.h (struct rtx_def): Likewise.
19468         (struct rtvec_def): Likewise.
19469
19470         * tree.h (union tree_node): Likewise.
19471
19472         * tree-ssa-operands.h (struct ssa_operand_memory_d): Likewise.
19473
19474         * cfgloop.c (record_loop_exits): Use htab_create_ggc.
19475
19476         * tree-scalar-evolution.c (scev_initialize): Likewise.
19477
19478         * alias.c (record_alias_subset): Update splay_tree_new_ggc call.
19479
19480         * dwarf2asm.c (dw2_force_const_mem): Likewise.
19481
19482         * omp-low.c (lower_omp_critical): Likewise.
19483
19484         * bitmap.h (struct bitmap_head_def): Update comment to not
19485         reference ggc_alloc.
19486
19487         * config/pa/pa.c (get_deferred_label): Use GGC_RESIZEVEC.
19488
19489         * ira.c (fix_reg_equiv_init): Use GGC_RESIZEVEC.
19490
19491         * ipa-prop.c (duplicate_ggc_array): Rename to
19492         duplicate_ipa_jump_func_array.  Use typed GC allocation.
19493         (ipa_edge_duplication_hook): Call duplicate_ipa_jump_func_array.
19494
19495         * gimple.c (gimple_alloc_stat): Use
19496         ggc_alloc_cleared_gimple_statement_d_stat.
19497
19498         * varasm.c (create_block_symbol): Use ggc_alloc_zone_rtx_def.
19499
19500         * tree.c (make_node_stat): Use
19501         ggc_alloc_zone_cleared_tree_node_stat.
19502         (make_tree_vec_stat): Likewise.
19503         (build_vl_exp_stat): Likewise.
19504         (copy_node_stat): Use ggc_alloc_zone_tree_node_stat.
19505         (make_tree_binfo_stat): Likewise.
19506         (tree_cons_stat): Likewise.
19507
19508         * rtl.c (rtx_alloc_stat): Use ggc_alloc_zone_rtx_def_stat.
19509         (shallow_copy_rtx_stat): Likewise.
19510         (make_node_stat): Likewise.
19511
19512         * lto-symtab.c: Fix comment.
19513
19514         * tree-cfg.c (create_bb): Update comment to not reference
19515         ggc_alloc_cleared.
19516         * tree-ssa-structalias.c (struct heapvar_for_stmt): Fix param_is value.
19517
19518         * varpool.c (varpool_node): Use typed GC allocation.
19519         (varpool_extra_name_alias): Likewise.
19520
19521         * varasm.c (emutls_decl): Likewise.
19522         (get_unnamed_section): Likewise.
19523         (get_noswitch_section): Likewise.
19524         (get_section): Likewise.
19525         (get_block_for_section): Likewise.
19526         (build_constant_desc): Likewise.
19527         (create_constant_pool): Likewise.
19528         (force_const_mem): Likewise.
19529
19530         * tree.c (build_vl_exp_stat): Likewise.
19531         (build_real): Likewise.
19532         (build_string): Likewise.
19533         (decl_debug_expr_insert): Likewise.
19534         (decl_value_expr_insert): Likewise.
19535         (type_hash_add): Likewise.
19536         (build_omp_clause): Likewise.
19537
19538         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Likewise.
19539
19540         * tree-ssa.c (init_tree_ssa): Likewise.
19541
19542         * tree-ssa-structalias.c (heapvar_insert): Likewise.
19543
19544         * tree-ssa-operands.c (ssa_operand_alloc): Likewise.
19545
19546         * tree-ssa-loop-niter.c (record_estimate): Likewise.
19547
19548         * tree-ssa-alias.c (get_ptr_info): Likewise.
19549
19550         * tree-scalar-evolution.c (new_scev_info_str): Likewise.
19551
19552         * tree-phinodes.c (allocate_phi_node): Likewise.
19553
19554         * tree-iterator.c (tsi_link_before): Likewise.
19555         (tsi_link_after): Likewise.
19556
19557         * tree-eh.c (add_stmt_to_eh_lp_fn): Likewise.
19558
19559         * tree-dfa.c (create_var_ann): Likewise.
19560
19561         * tree-cfg.c (create_bb): Likewise.
19562
19563         * toplev.c (alloc_for_identifier_to_locale): Likewise.
19564         (general_init): Likewise.
19565
19566         * stringpool.c (stringpool_ggc_alloc): Likewise.
19567         (gt_pch_save_stringpool): Likewise.
19568
19569         * sese.c (if_region_set_false_region): Likewise.
19570
19571         * passes.c (do_per_function_toporder): Likewise.
19572
19573         * optabs.c (set_optab_libfunc): Likewise.
19574         (set_conv_libfunc): Likewise.
19575
19576         * lto-symtab.c (lto_symtab_register_decl): Likewise.
19577
19578         * lto-streamer-in.c (lto_input_eh_catch_list): Likewise.
19579         (input_eh_region): Likewise.
19580         (input_eh_lp): Likewise.
19581         (make_new_block): Likewise.
19582         (unpack_ts_real_cst_value_fields): Likewise.
19583
19584         * lto-section-in.c (lto_new_in_decl_state): Likewise.
19585
19586         * lto-cgraph.c (input_node_opt_summary): Likewise.
19587
19588         * loop-init.c (loop_optimizer_init): Likewise.
19589
19590         * lambda.h (lambda_vector_new): Likewise.
19591
19592         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
19593
19594         * ira.c (update_equiv_regs): Likewise.
19595
19596         * ipa.c (cgraph_node_set_new): Likewise.
19597         (cgraph_node_set_add): Likewise.
19598         (varpool_node_set_new): Likewise.
19599         (varpool_node_set_add): Likewise.
19600
19601         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Likewise.
19602         (duplicate_ipa_jump_func_array): Likewise.
19603         (ipa_read_node_info): Likewise.
19604
19605         * ipa-cp.c (ipcp_create_replace_map): Likewise.
19606
19607         * integrate.c (get_hard_reg_initial_val): Likewise.
19608
19609         * gimple.c (gimple_alloc_stat): Likewise.
19610         (gimple_build_omp_for): Likewise.
19611         (gimple_seq_alloc): Likewise.
19612         (gimple_copy): Likewise.
19613
19614         * gimple-iterator.c (gsi_insert_before_without_update): Likewise.
19615         (gsi_insert_after_without_update): Likewise.
19616
19617         * function.c (add_frame_space): Likewise.
19618         (insert_temp_slot_address): Likewise.
19619         (assign_stack_temp_for_type): Likewise.
19620         (allocate_struct_function): Likewise.
19621         (types_used_by_var_decl_insert): Likewise.
19622
19623         * except.c (init_eh_for_function): Likewise.
19624         (gen_eh_region): Likewise.
19625         (gen_eh_region_catch): Likewise.
19626         (gen_eh_landing_pad): Likewise.
19627         (add_call_site): Likewise.
19628
19629         * emit-rtl.c (get_mem_attrs): Likewise.
19630         (get_reg_attrs): Likewise.
19631         (start_sequence): Likewise.
19632         (init_emit): Likewise.
19633
19634         * dwarf2out.c (new_cfi): Likewise.
19635         (queue_reg_save): Likewise.
19636         (dwarf2out_frame_init): Likewise.
19637         (new_loc_descr): Likewise.
19638         (find_AT_string): Likewise.
19639         (new_die): Likewise.
19640         (add_var_loc_to_decl): Likewise.
19641         (clone_die): Likewise.
19642         (clone_as_declaration): Likewise.
19643         (break_out_comdat_types): Likewise.
19644         (new_loc_list): Likewise.
19645         (loc_descriptor): Likewise.
19646         (add_loc_descr_to_each): Likewise.
19647         (add_const_value_attribute): Likewise.
19648         (tree_add_const_value_attribute): Likewise.
19649         (add_comp_dir_attribute): Likewise.
19650         (add_name_and_src_coords_attributes): Likewise.
19651         (lookup_filename): Likewise.
19652         (store_vcall_insn): Likewise.
19653         (dwarf2out_init): Likewise.
19654
19655         * dbxout.c (dbxout_init): Likewise.
19656
19657         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
19658
19659         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
19660
19661         * config/score/score7.c (score7_output_external): Likewise.
19662
19663         * config/score/score3.c (score3_output_external): Likewise.
19664
19665         * config/s390/s390.c (s390_init_machine_status): Likewise.
19666
19667         * config/rs6000/rs6000.c (builtin_function_type): Likewise.
19668         (rs6000_init_machine_status): Likewise.
19669         (output_toc): Likewise.
19670
19671         * config/pa/pa.c (pa_init_machine_status): Likewise.
19672         (get_deferred_plabel): Likewise.
19673
19674         * config/moxie/moxie.c (moxie_init_machine_status): Likewise.
19675
19676         * config/mmix/mmix.c (mmix_init_machine_status): Likewise.
19677
19678         * config/mips/mips.c (mflip_mips16_use_mips16_p): Likewise.
19679
19680         * config/mep/mep.c (mep_init_machine_status): Likewise.
19681         (mep_note_pragma_flag): Likewise.
19682
19683         * config/m32c/m32c.c (m32c_init_machine_status): Likewise.
19684
19685         * config/iq2000/iq2000.c (iq2000_init_machine_status): Likewise.
19686
19687         * config/ia64/ia64.c (ia64_init_machine_status): Likewise.
19688
19689         * config/i386/winnt.c (i386_pe_record_external_function): Likewise.
19690         (i386_pe_maybe_record_exported_symbol): Likewise.
19691
19692         * config/i386/i386.c (get_dllimport_decl): Likewise.
19693         (ix86_init_machine_status): Likewise.
19694         (assign_386_stack_local): Likewise.
19695
19696         * config/frv/frv.c (frv_init_machine_status): Likewise.
19697
19698         * config/darwin.c (machopic_indirection_name): Likewise.
19699
19700         * config/cris/cris.c (cris_init_machine_status): Likewise.
19701
19702         * config/bfin/bfin.c (bfin_init_machine_status): Likewise.
19703
19704         * config/avr/avr.c (avr_init_machine_status): Likewise.
19705
19706         * config/arm/arm.c (arm_init_machine_status): Likewise.
19707
19708         * config/alpha/alpha.c (alpha_init_machine_status): Likewise.
19709         (alpha_need_linkage): Likewise.
19710         (alpha_use_linkage): Likewise.
19711
19712         * cgraph.c (cgraph_allocate_node): Likewise.
19713         (cgraph_create_edge_1): Likewise.
19714         (cgraph_create_indirect_edge): Likewise.
19715         (cgraph_add_asm_node): Likewise.
19716
19717         * cfgrtl.c (init_rtl_bb_info): Likewise.
19718
19719         * cfgloop.c (alloc_loop): Likewise.
19720         (rescan_loop_exit): Likewise.
19721
19722         * cfg.c (init_flow): Likewise.
19723         (alloc_block): Likewise.
19724         (unchecked_make_edge): Likewise.
19725
19726         * c-parser.c (c_parse_init): Likewise.
19727         (c_parse_file): Likewise.
19728
19729         * c-decl.c (bind): Likewise.
19730         (record_inline_static): Likewise.
19731         (push_scope): Likewise.
19732         (make_label): Likewise.
19733         (lookup_label_for_goto): Likewise.
19734         (finish_struct): Likewise.
19735         (finish_enum): Likewise.
19736         (c_push_function_context): Likewise.
19737
19738         * bitmap.c (bitmap_element_allocate): Likewise.
19739         (bitmap_gc_alloc_stat): Likewise.
19740
19741         * alias.c (record_alias_subset): Likewise.
19742         (init_alias_analysis): Likewise.
19743
19744 2010-06-08  Shujing Zhao  <pearly.zhao@oracle.com>
19745
19746         * fold-const.c (fold_comparison): Remove redundant parenthesis.
19747         * tree-inline.c (expand_call_inline): Pass translated return value of
19748         cgraph_inline_failed_string to diagnostic function.
19749
19750 2010-06-08  Andrew Pinski  <pinskia@gmail.com>
19751             Shujing Zhao  <pearly.zhao@oracle.com>
19752
19753         PR c/37724
19754         * c-typeck.c (convert_for_assignment): Call pedwarn_init if the
19755         implicit bad conversions is initialization.
19756         (error_init): Use gmsgid instead of msgid for argument name and change
19757         the call for error.
19758         (pedwarn_init): Use gmsgid instead of msgid for argument name and
19759         change the call for pedwarn.
19760         (warning_init): Use gmsgid instead of msgid for argument name and
19761         change the call for warning.
19762
19763 2010-06-07  Nathan Froyd  <froydnj@codesourcery.com>
19764
19765         * config/mips/mips-protos.h (mips_print_operand): Delete.
19766         (mips_print_operand_address): Delete.
19767         * config/mips/mips.h (mips_print_operand_punct): Delete.
19768         (PRINT_OPERAND): Delete.
19769         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
19770         (PRINT_OPERAND_ADDRESS): Delete.
19771         * config/mips/mips.c (mips_print_operand_punct): Make static.
19772         (mips_print_operand_address): Make static.
19773         (mips_print_operand): Make static.  Call
19774         mips_print_operand_punct_valid_p.
19775         (mips_print_operand_punct_valid_p): New function.
19776         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
19777         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
19778
19779 2010-06-07  Jan Hubicka  <jh@suse.cz>
19780
19781         PR middle-end/44454
19782         (df_lr_top_dump, df_lr_bottom_dump): Check that in/out bitmaps
19783         are allocated.
19784
19785 2010-06-07  Kaz Kojima  <kkojima@gcc.gnu.org>
19786
19787         * config/sh/sh.c (sh_build_builtin_va_list): Set tree type
19788         name of RECORD.
19789
19790 2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
19791
19792         * doc/sourcebuild.texi (Effective-Target Keywords, Other
19793         attributes): Document gas.
19794
19795 2010-06-07  Uros Bizjak  <ubizjak@gmail.com>
19796
19797         * config/i386/i386.md (*add<mode>_1): Remove alternative 2.
19798         <TYPE_LEA>: Split instruction.
19799         <default>: Remove alternative 2 handling.
19800         (*addsi_1_zext) <TYPE_LEA>: Split instruction.
19801         (add lea splitter): Generate SImode lea for mode sizes <= SImode.
19802         (add_zext lea splitter): Use ix86_lea_for_add_ok in insn predicate.
19803
19804         (*movsi_1) <TYPE_LEA>: Use %a modifier to output operand 1.
19805         (ashift_zext lea splitter): Use DImode for multiplication.
19806
19807         * config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
19808         to generate addition.
19809
19810 2010-06-07  Joseph Myers  <joseph@codesourcery.com>
19811
19812         * common.opt (fira-verbose): Use Var.
19813         (fpcc-struct-return): Use Init instead of VarExists.
19814         * defaults.h (DEFAULT_PCC_STRUCT_RETURN): Move definition from
19815         toplev.c.
19816         * flags.h (flag_signed_char, flag_short_enums,
19817         flag_pcc_struct_return, flag_ira_verbose,
19818         flag_detailed_statistics, flag_remove_unreachable_functions): Remove.
19819         * toplev.c (flag_detailed_statistics, flag_signed_char,
19820         flag_short_enums, flag_pcc_struct_return, flag_ira_verbose): Remove.
19821         (DEFAULT_PCC_STRUCT_RETURN): Move definition to defaults.h.
19822         * toplev.h (flag_crossjumping, flag_if_conversion,
19823         flag_if_conversion2, flag_keep_static_consts, flag_peel_loops,
19824         flag_rerun_cse_after_loop, flag_thread_jumps, flag_tracer,
19825         flag_unroll_loops, flag_unroll_all_loops, flag_unswitch_loops,
19826         flag_cprop_registers, time_report, flag_ira_loop_pressure,
19827         flag_ira_coalesce, flag_ira_move_spills,
19828         flag_ira_share_save_slots, flag_ira_share_spill_slots): Remove.
19829
19830 2010-06-07  Jan Hubicka  <jh@suse.cz>
19831
19832         * df-core.c (df_analyze_problem): Do verification after allocation.
19833
19834         * df-problems.c (df_lr_problem_data): Add lr_bitmaps.
19835         (df_lr_alloc): Initialize problem data; move bitmaps to
19836         lr_bitmaps obstack.
19837         (df_lr_finalize): Free problem data; do not bother to free bitmaps.
19838         (df_lr_verify_solution_start): Do not initialize problem data;
19839         allocate bitmaps in lr_bitmaps.
19840         (df_lr_verify_solution_end): Do not free problem data.
19841
19842 2010-06-07  Jan Hubicka  <jh@suse.cz>
19843
19844         * cgraph.c (cgraph_edge_cannot_lead_to_return): Also check
19845         if caller is noreturn.
19846         * ipa-reference.c (analyze_function): Use ipa_ref_cannot_lead_to_return
19847         * ipa-ref.h (ipa_ref_cannot_lead_to_return): New function.
19848         * ipa-ref.c (ipa_ref_cannot_lead_to_return): New function.
19849         * ipa-pure-const.c (check_decl): Add IPA parameter.
19850         (state_from_flags): New function.
19851         (better_state, worse_state): New functions.
19852         (check_call): When in IPA mode, do not care about callees.
19853         (check_load, check_store): Update.
19854         (check_ipa_load, check_ipa_store): New.
19855         (check_stmt): When in IPA mode, use IPA checkers.
19856         (analyze_function): Use state_from_flags.
19857         (propagate): Check indirect edges and references.
19858
19859 2010-06-07  Kazu Hirata  <kazu@codesourcery.com>
19860
19861         PR rtl-optimization/44404
19862         * auto-inc-dec.c (find_inc): Use reg_overlap_mentioned_p instead
19863         of count_occurrences to see if it's safe to modify mem_insn.
19864
19865 2010-06-07  Richard Guenther  <rguenther@suse.de>
19866
19867         * gimplify.c (gimplify_cleanup_point_expr): For empty body
19868         and EH-only cleanup drop the cleanup instead of inserting it
19869         unconditionally.
19870
19871 2010-06-07  Ira Rosen  <irar@il.ibm.com>
19872
19873         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Update
19874         documentation.
19875         * targhooks.c (default_builtin_vectorization_cost): New function.
19876         * targhooks.h (default_builtin_vectorization_cost): Declare.
19877         * target.h (enum vect_cost_for_stmt): Define.
19878         (builtin_vectorization_cost): Change argument and comment.
19879         * tree-vectorizer.h: Remove cost model macros.
19880         * tree-vect-loop.c: Include target.h.
19881         (vect_get_cost): New function.
19882         (vect_estimate_min_profitable_iters): Replace cost model macros with
19883         calls to vect_get_cost.
19884         (vect_model_reduction_cost, vect_model_induction_cost): Likewise.
19885         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Add
19886         default implementation.
19887         * tree-vect-stmts.c (cost_for_stmt): Replace cost model macros with
19888         calls to target hook builtin_vectorization_cost.
19889         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
19890         Likewise.
19891         * Makefile.in (tree-vect-loop.o): Add dependency on TARGET_H.
19892         * config/spu/spu.c (spu_builtin_vectorization_cost): Replace with new
19893         implementation to return costs.
19894         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
19895         * config/spu/spu.h: Remove vectorizer cost model macros.
19896         * config/i386/i386.h: Likewise.
19897         * tree-vect-slp.c (vect_build_slp_tree): Replace cost model macro with
19898         a call to target hook builtin_vectorization_cost.
19899
19900 2010-06-06  Sriraman Tallam  <tmsriram@google.com>
19901
19902         PR target/44319
19903         * config/i386/i386.c (override_options): Turn zee pass on for level 2
19904         and above and defer till target is known.
19905         (optimization_options): Turn on zee pass if TARGET_64BIT is set and
19906         turn off otherwise.
19907
19908 2010-05-25  Jan Hubicka  <jh@suse.cz>
19909
19910         * df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
19911         (df_compact_blocks): Likewise.
19912         * df.h (struct df): Turn hardware_regs_used,
19913         regular_block_artificial_uses, eh_block_artificial_uses,
19914         insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
19915         bitmap_head.
19916         * df-problems.c (df_lr_local_compute, df_lr_confluence_0,
19917         df_byte_lr_alloc, df_simulate_fixup_sets): Update.
19918         * df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
19919         df_scan_blocks, df_insn_delete, df_insn_rescan,
19920         df_insn_rescan_debug_internal, df_insn_rescan_all,
19921         df_process_deferred_rescans, df_process_deferred_rescans,
19922         df_notes_rescan, df_get_call_refs, df_get_call_refs,
19923         regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
19924         df_record_entry_block_defs, df_record_exit_block_uses,
19925         df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
19926         df_scan_verify): Update.
19927
19928 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
19929
19930         PR c++/44188
19931         * c-common.c (is_typedef_decl): Move this definition ...
19932         * tree.c (is_typedef_decl): ... here.
19933         (typdef_variant_p): Move definition here from cp/tree.c.
19934         * c-common.h (is_typedef_decl): Move this declaration ...
19935         * tree.h (is_typedef_decl): ... here.
19936         (typedef_variant_p): Move declaration here from cp/cp-tree.h
19937         * dwarf2out.c (is_naming_typedef_decl): New function.
19938         (gen_tagged_type_die): Split out of ...
19939         (gen_type_die_with_usage): ... this function. When an anonymous
19940         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
19941         is emitted for the typedef.
19942         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
19943         anonymous tagged types.
19944
19945 2010-06-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19946
19947         PR c/20000
19948         * c-decl.c (grokdeclarator): Delete warning.
19949
19950 2010-06-06  Eric Botcazou  <ebotcazou@adacore.com>
19951
19952         * stor-layout.c (self_referential_size): Set UNKNOWN_LOCATION on the
19953         newly built CALL_EXPR.
19954         * tree-profile.c (tree_profiling): Don't profile functions produced
19955         for built-in stuff.
19956
19957 2010-06-06  Segher Boessenkool  <segher@kernel.crashing.org>
19958
19959         PR bootstrap/44427
19960         PR bootstrap/44428
19961         * genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
19962         endianness-independent.
19963
19964 2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>
19965
19966         * c-common.c: Move to c-family/.
19967         * c-common.def: Likewise.
19968         * c-common.h: Likewise.
19969         * c-cppbuiltin.c: Likewise.
19970         * c-dump.c: Likewise.
19971         * c-format.c: Likewise.
19972         * c-format.h : Likewise.
19973         * c-gimplify.c: Likewise.
19974         * c-lex.c: Likewise.
19975         * c-omp.c: Likewise.
19976         * c.opt: Likewise.
19977         * c-opts.c: Likewise.
19978         * c-pch.c: Likewise.
19979         * c-ppoutput.c: Likewise.
19980         * c-pragma.c: Likewise.
19981         * c-pragma.h: Likewise.
19982         * c-pretty-print.c: Likewise.
19983         * c-pretty-print.h: Likewise.
19984         * c-semantics.c: Likewise.
19985         * stub-objc.c: Likewise.
19986
19987         * gengtype.c (get_file_langdir): Special-case files in c-family/.
19988         (get_output_file_with_visibility): Fix name for c-common.h.
19989         * c-config-lang.in: Update paths in gtfiles for files in c-family/.
19990
19991         * c-tree.h: Update include path for moved files.
19992         * c-lang.c: Likewise.
19993         * c-lang.h: Likewise.
19994         * c-parser.c: Likewise.
19995         * c-convert.c: Likewise.
19996         * c-decl.c: Likewise.
19997         * c-objc-common.c: Likewise.
19998         * configure.ac: Make sure c-family/ exists in the build directory.
19999         * configure: Regenerate.
20000         * Makefile.in: Update paths for moved files.  Regroup files per
20001         location and update dependencies.  Move generated_files down after
20002         ALL_GTFILES_H.
20003
20004         * config/spu/spu-c.c: Update paths for moved files.
20005         * config/mep/mep-pragma.c: Likewise.
20006         * config/darwin-c.c: Likewise.
20007         * config/i386/msformat-c.c: Likewise.
20008         * config/i386/i386-c.c: Likewise.
20009         * config/avr/avr-c.c: Likewise.
20010         * config/sol2-c.c: Likewise.
20011         * config/ia64/ia64-c.c: Likewise.
20012         * config/rs6000/rs6000-c.c: Likewise.
20013         * config/arm/arm.c: Likewise.
20014         * config/arm/arm-c.c: Likewise.
20015         * config/h8300/h8300.c: Likewise.
20016         * config/v850/v850-c.c: Likewise.
20017
20018         * config/t-darwin: Fix dependencies for moved files.
20019         * config/t-sol2: Fix dependencies for moved files.
20020         * config/mep/t-mep: Fix dependencies for moved files.
20021         * config/ia64/t-ia64: Fix dependencies for moved files.
20022         * config/rs6000/t-rs6000: Fix dependencies for moved files.
20023         * config/v850/t-v850: Fix dependencies for moved files.
20024         * config/v850/t-v850e: Fix dependencies for moved files.
20025
20026         * config/m32c/m32c-pragma.c
20027
20028         * po/exgettext: Look in c-family/ also.
20029
20030 2010-06-05  Eric Botcazou  <ebotcazou@adacore.com>
20031
20032         * tree-ssa-dce.c (mark_last_stmt_necessary): New function.
20033         (mark_control_dependent_edges_necessary): Call it instead of marking
20034         the last statement manually.
20035         (propagate_necessity): Likewise.
20036
20037 2010-06-05  Jan Hubicka  <jh@suse.cz>
20038
20039         * basic-block.h (compute_dominance_frontiers): Updated.
20040         (compute_idf): Likewise.
20041
20042         * tree-into-ssa.c (insert_phi_nodes): Use bitmap heads
20043         for dominance frontiers.
20044         (rewrite_into_ssa): Update for bitmap heads in dominance frontiers.
20045         (insert_updated_phi_nodes_for): Likewise.
20046         (update_ssa): Likewise.
20047         * cfganal.c (compute_dominance_frontiers_1): Likewise.
20048         (compute_dominance_frontiers): Likewise.
20049         (compute_idf): Likewise.
20050         * df-problems.c (df_md_local_compute): Likewise.
20051
20052 2010-06-05  Anatoly Sokolov  <aesok@post.ru>
20053
20054         * target.h (struct gcc_target): Add memory_move_cost field.
20055         * target-def.h (TARGET_MEMORY_MOVE_COST): New.
20056         (TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST.
20057         * targhooks.c (default_memory_move_cost): New function.
20058         * targhooks.h (default_memory_move_cost): Declare function.
20059         * reload.h (memory_move_cost): Declare.
20060         (memory_move_secondary_cost): Change type of 'in' argument to bool.
20061         * reginfo.c (memory_move_cost): New function.
20062         (memory_move_secondary_cost): Change type of 'in' argument to bool.
20063         * ira.h (ira_memory_move_cost): Update comment.
20064         * ira.c (ira_memory_move_cost): Update comment.
20065         (setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST
20066         with memory_move_cost.
20067         * postreload.c (reload_cse_simplify_set): (Ditto.).
20068         * reload1.c (choose_reload_regs): (Ditto.).
20069         * doc/tm.texi (TARGET_MEMORY_MOVE_COST): New.
20070         (MEMORY_MOVE_COST):  Revise documentation.
20071
20072         * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
20073         * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
20074         * config/i386/i386.h (ix86_memory_move_cost): Make static. Change
20075         type of 'in' argument to bool.
20076         (TARGET_MEMORY_MOVE_COST): Define.
20077
20078 2010-06-05  Jan Hubicka  <jh@suse.cz>
20079
20080         * ipa-pure-const.c (propagate): Fix typo in handling of functions
20081         that cannot return.  Be more careful when merging the results with
20082         previously known ones.
20083
20084 2010-06-05  Matthias Klose  <doko@ubuntu.com>
20085
20086         * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec
20087         function to add the -iplugindir option.
20088         (find_plugindir_spec_function): Add new declaration and function.
20089         (static_spec_func): Use it for "find-plugindir".
20090
20091 2010-06-05  Jakub Jelinek  <jakub@redhat.com>
20092
20093         PR c++/44361
20094         * c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR.
20095         * c-parser.c (c_parser_postfix_expression): Call mark_exp_read on
20096         statement expression.
20097
20098 2010-06-05  Jan Hubicka  <jh@suse.cz>
20099
20100         * df-problems.c (seen_in_block, seen_in_insn): Convert to bitmap_head.
20101         (df_rd_problem_data): Convert sparse_invalidated_by_call,
20102         dense_invalidated_by_call to bitmap head.
20103         (df_rd_alloc, df_rd_bb_local_compute_process_def,
20104         df_rd_bb_local_compute, df_rd_confluence_n, df_rd_transfer_function,
20105         df_rd_start_dump, df_lr_verify_transfer_functions,
20106         df_live_verify_transfer_functions, df_chain_create_bb,
20107         df_chain_add_problem, df_byte_lr_check_regs, df_byte_lr_alloc,
20108         df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_note_compute,
20109         df_simulate_one_insn_forwards, df_md_alloc,
20110         df_md_bb_local_compute_process_def,
20111         df_md_bb_local_compute_process_def, df_md_local_compute,
20112         df_md_transfer_function df_md_free): Update.
20113
20114 2010-06-05  Joseph Myers  <joseph@codesourcery.com>
20115
20116         PR c/44322
20117         * c-typeck.c (build_unary_op): Merge qualifiers into pointer
20118         target type for ADDR_EXPR; require no changes to qualifiers except
20119         for function types.
20120         * c-tree.h (c_build_type_variant): Remove.
20121
20122 2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>
20123
20124         * genautomata.c (get_excl_set): Do work per element, not per char.
20125         (check_presence_pattern_sets): Similar.
20126         (check_absence_pattern_sets): Similar.
20127
20128 2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>
20129
20130         * genautomata.c (curr_state_pass_num): Delete.
20131         (min_issue_delay_pass_states): Delete.
20132         (min_issue_delay): Delete.
20133         (initiate_min_issue_delay_pass_states): Delete.
20134         (output_min_issue_delay_table): Compute min_issue_delay_vect
20135         using a breadth-first search variant.
20136         (output_tables): Don't call initiate_min_issue_delay_pass_states.
20137
20138 2010-06-04  H.J. Lu  <hongjiu.lu@intel.com>
20139
20140         PR boostrap/44421
20141         * df-problems.c (df_lr_bb_local_compute): Updated for embedded bitmaps.
20142         (df_byte_lr_bb_local_compute): Likewise.
20143
20144 2010-06-03  Jason Merrill  <jason@redhat.com>
20145
20146         Implement noexcept operator (5.3.7)
20147         * c-common.c (c_common_reswords): Add noexcept.
20148         * c-common.h (enum rid): Add RID_NOEXCEPT.
20149
20150 2010-06-04  Joseph Myers  <joseph@codesourcery.com>
20151
20152         * config/darwin-driver.c (darwin_default_min_version): Use
20153         GCC-specific formats in diagnostics.
20154         * cppspec.c (lang_specific_driver): Use GCC-specific formats in
20155         diagnostics.
20156         * gcc.c (translate_options, read_specs, add_sysrooted_prefix,
20157         execute, process_command, end_going_arg, do_self_spec, do_spec_1,
20158         eval_spec_function, handle_braces, process_brace_body, main,
20159         perror_with_name, used_arg, set_multilib_dir, print_multilib_info,
20160         getenv_spec_function, compare_version_strings,
20161         version_compare_spec_function): Use GCC-specific formats in
20162         diagnostics.
20163
20164 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
20165
20166         * config/i386/i386.md (*addhi_1_lea) <TYPE_INCDEC, default>: Assert
20167         that operand 0 and operand 1 are equal.
20168         (*addqi_1_lea) <TYPE_INCDEC, default>: Ditto.
20169         (*add<mode>_2) <TYPE_INCDEC>: Remove assert that operand 0
20170         and operand 1 are equal.
20171         <default>: Ditto.  Remove ??? comment.
20172         (*add<mode>_3) <TYPE_INCDEC>: Remove assert that operand 0
20173         and operand 1 are equal.
20174         <default>: Ditto.  Remove ??? comment.
20175         (*adddi_4) <default>: Remove assert that operand 0 and operand 1
20176         are equal.
20177         (*add<mode>_4) <default>: Ditto.
20178         (*add<mode>_5) <TYPE_INCDEC, default>: Ditto.
20179
20180 2010-06-04  Nathan Froyd  <froydnj@codesourcery.com>
20181
20182         * config/i386/i386-protos.h (ix86_print_operand): Declare.
20183         * config/i386/i386.c (ix86_print_operand): Make non-static.
20184         * config/i386/sol2.h (ASM_OUTPUT_CALL): Call ix86_print_operand.
20185         * output.h (output_operand): Declare.
20186         * final.c (output_operand): Make non-static.
20187
20188 2010-06-04  Alexandre Oliva  <aoliva@redhat.com>
20189
20190         PR rtl-optimization/44013
20191         * sched-deps.c (add_dependence_list_and_free): Don't free lists
20192         when processing debug insns.
20193
20194         PR debug/41371
20195         * var-tracking.c (find_loc_in_1pdv): Mark initial value before
20196         recursing.  Check that recursion is bounded.  Rename inner var
20197         to avoid hiding incoming argument.
20198
20199 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
20200
20201         * config/i386/i386.md (*addqi_2) <TYPE_INCDEC>: Do not assert that
20202         operands[2] == 255.
20203         (*addqi_3): Ditto.
20204         (*addqi_4): Ditto.
20205         (*addqi_5): Ditto.
20206         (*addqi_ext_1_rex64): Ditto.
20207         (*addqi_ext_1): Ditto.
20208
20209         (*addqi_4): Check for incdec_operand in QImode.
20210
20211         (*add<mode>_2): Macroize insn from *add<mode>_2 and *add{qi,hi}_2
20212         using SWI mode iterator.
20213         (*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3.
20214         (*add<mode>_4): Macroize insn from *add{qi,hi,si}_4 using SWI124
20215         mode iterator.
20216         (*add<mode>_5): Macroize insn from *add<mode>_5 and *add{qi,hi}_5
20217         using SWI mode iterator.
20218
20219 2010-06-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20220
20221         PR c/25880
20222         * c-objc-common.c (c_tree_printer): Handle %V, %v and %#v.
20223         * c-format.c (gcc_diag_flag_specs): Add hash.
20224         (gcc_cxxdiag_flag_specs): Use gcc_diag_flag_specs directly.
20225         (gcc_tdiag_char_table,gcc_cdiag_char_table): Handle %V and %v.
20226         * c-pretty-print.c (pp_c_cv_qualifier): Rename as
20227         pp_c_cv_qualifiers. Handle qualifiers spelling here.
20228         (pp_c_type_qualifier_list): Call the function above.
20229         * c-pretty-print.h (pp_c_cv_qualifiers): Declare.
20230         * c-typeck.c (handle_warn_cast_qual): Print qualifiers.
20231         (WARN_FOR_QUALIFIERS): New macro.
20232         (convert_for_assignment): Use it.
20233
20234 2010-06-04  Kai Tietz  <kai.tietz@onevision.com>
20235
20236         * config/i386/cygming.h (ASM_GENERATE_INTERNAL_LABEL): Prefix by '*'.
20237
20238 2010-06-04  Jan Hubicka  <jh@suse.cz>
20239
20240         * df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
20241         df_byte_lr_bb_info): Embedd bitmap_head into the structure.
20242         (DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
20243         DF_BYTE_LR_OUT): Update for embedded bitmaps.
20244         * fwprop.c (single_def_use_enter_block): Likewise.
20245         * ddg.c (create_ddg_dep_from_intra_loop_link,
20246         add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
20247         * loop-iv.c (latch_dominating_def): Likewise.
20248         * df-problems.c (df_rd_free_bb_info, df_rd_alloc,
20249         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
20250         df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
20251         df_rd_transfer_function, df_rd_top_dump,
20252         df_rd_bottom_dump): Update.
20253         (df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
20254         df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
20255         df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
20256         df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
20257         df_lr_verify_solution_start, df_lr_verify_solution_end,
20258         df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
20259         df_live_free_bb_info, df_live_alloc, df_live_reset,
20260         df_live_bb_local_compute, df_live_init, df_live_transfer_function,
20261         df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
20262         df_live_verify_solution_start, df_live_verify_solution_end,
20263         df_live_verify_transfer_functions, df_chain_create_bb,
20264         df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
20265         df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
20266         df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
20267         df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
20268         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
20269         df_byte_lr_transfer_function, df_byte_lr_top_dump,
20270         df_byte_lr_bottom_dump, df_create_unused_note,
20271         df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
20272         df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
20273         df_md_transfer_function, df_md_init, df_md_confluence_0,
20274         df_md_confluence_n,
20275         df_md_top_dump, df_md_bottom_dump): Update.
20276         (struct df_lr_problem_data): Embedd bitmap headers.
20277
20278 2010-06-04  Jan Hubicka  <jh@suse.cz>
20279
20280         * dce.c (dce_process_block): Do not re-scan already marked
20281         instructions.
20282
20283 2010-06-04  Bernd Schmidt  <bernds@codesourcery.com>
20284
20285         PR rtl-optimization/39871
20286         PR rtl-optimization/40615
20287         PR rtl-optimization/42500
20288         PR rtl-optimization/42502
20289         * ira.c (init_reg_equiv_memory_loc: New function.
20290         (ira): Call it twice.
20291         * reload.h (calculate_elim_costs_all_insns): Declare.
20292         * ira-costs.c: Include "reload.h".
20293         (regno_equiv_gains): New static variable.
20294         (init_costs): Allocate it.
20295         (finish_costs): Free it.
20296         (ira_costs): Call calculate_elim_costs_all_insns.
20297         (find_costs_and_classes): Take estimated elimination costs
20298         into account.
20299         (ira_adjust_equiv_reg_cost): New function.
20300         * ira.h (ira_adjust_equiv_reg_cost): Declare it.
20301         * reload1.c (init_eliminable_invariants, free_reg_equiv,
20302         elimination_costs_in_insn, note_reg_elim_costly): New static functions.
20303         (elim_bb): New static variable.
20304         (reload): Move code out of here into init_eliminable_invariants and
20305         free_reg_equiv.  Call them.
20306         (calculate_elim_costs_all_insns): New function.
20307         (eliminate_regs_1): Declare.  Add extra arg FOR_COSTS;
20308         all callers changed.  If FOR_COSTS is true, don't call alter_reg,
20309         but call note_reg_elim_costly if we turned a valid memory address
20310         into an invalid one.
20311         * Makefile.in (ira-costs.o): Depend on reload.h.
20312
20313 2010-06-04  Julian Brown  <julian@codesourcery.com>
20314
20315         * config/arm/thumb2.md (*thumb2_movdf_soft_insn): Fix alternatives
20316         for pool ranges.
20317
20318 2010-06-04  Richard Guenther  <rguenther@suse.de>
20319
20320         PR lto/41584
20321         * cgraph.h (struct varpool_node): Add lto_file_data field.
20322         * lto-cgraph.c (input_varpool_node): Initialize it.
20323
20324 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
20325
20326         * config/i386/predicates.md (pic_symbolic_operand): Remove predicate.
20327         * config/i386/i386.md (*add<mode>_1): Do not use pic_symbolic_operand
20328         predicate in "type" attribute calculation.
20329         (*addsi_1_zext): Ditto.
20330         (*add<mode>_2): Do not use pic_symbolic_operand in insn predicate.
20331         (*addsi_2_zext): Ditto.
20332         (*add<mode>_3): Ditto.
20333         (*addsi_3_zext): Ditto.
20334         (*add<mode>_5): Ditto.
20335
20336 2010-06-03  Jan Hubicka  <jh@suse.cz>
20337
20338         * tree-into-ssa.c (mark_block_for_update): Avoid redundant call
20339         of bitmap_bit_p.
20340         * cfganal.c (compute_dominance_frontiers_1): Likewise.
20341
20342 2010-06-03  Jan Hubicka  <jh@suse.cz>
20343
20344         * df-problems.c (df_create_unused_note, df_note_bb_compute):
20345         micro-optimize the checks when to add new note.
20346
20347 2010-06-03  Nathan Froyd  <froydnj@codesourcery.com>
20348
20349         * final.c (output_asm_insn): Call
20350         targetm.asm_out.print_operand_punct_valid_p.  Update comments.
20351         (output_operand): Call targetm.asm_out.print_operand.  Update comments.
20352         (output_address): Call targetm.asm_out.print_operand_address.
20353         Update comments.
20354         * target.h (struct gcc_target): Add print_operand,
20355         print_operand_address, and print_operand_punct_valid_p fields.
20356         * targhooks.h (default_print_operand): Declare.
20357         (default_print_operand_address): Declare.
20358         (default_print_operand_punct_valid_p): Declare.
20359         * targhooks.c (default_print_operand): Define.
20360         (default_print_operand_address): Define.
20361         (default_print_operand_punct_valid_p): Define.
20362         * target-def.h (TARGET_PRINT_OPERAND): Define if not defined.
20363         (TARGET_PRINT_OPERAND_ADDRESS): Likewise.
20364         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Likewise.
20365         (TARGET_ASM_OUT): Add TARGET_PRINT_OPERAND,
20366         TARGET_PRINT_OPERAND_ADDRESS, and TARGET_PRINT_OPERAND_PUNCT_VALID_P.
20367         * vmsdbgout.c (addr_const_to_string): Update comment.
20368         * config/i386/i386.c (print_operand): Rename to...
20369         (ix86_print_operand): ...this.  Make static.
20370         (print_operand_address): Rename to...
20371         (ix86_print_operand_address): ...this.  Make static.  Call
20372         ix86_print_operand instead of PRINT_OPERAND.
20373         (ix86_print_operand_punct_valid_p): New function.
20374         (TARGET_PRINT_OPERAND): Define.
20375         (TARGET_PRINT_OPERAND_ADDRESS): Define.
20376         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
20377         * config/i386/i386.h (HI_REGISTER_NAMES): Update comment.
20378         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
20379         (PRINT_OPERAND): Delete.
20380         (PRINT_OPERAND_ADDRESS): Delete.
20381         * config/i386/i386-protos.h (print_operand): Delete prototype.
20382         (print_operand_address): Delete prototype.
20383
20384 2010-06-03  Richard Guenther  <rguenther@suse.de>
20385
20386         PR tree-optimization/44403
20387         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
20388         Preserve pointer qualifiers.
20389         (vect_create_data_ref_ptr): Likewise.
20390
20391 2010-06-03  H.J. Lu  <hongjiu.lu@intel.com>
20392
20393         PR c++/44294
20394         * defaults.h (MAX_FIXED_MODE_SIZE): New.
20395
20396         * stor-layout.c (MAX_FIXED_MODE_SIZE): Removed.
20397
20398 2010-06-03  Jakub Jelinek  <jakub@redhat.com>
20399
20400         PR debug/44375
20401         * tree-cfg.c (gimple_can_merge_blocks_p): For -O0
20402         return false if merging the bbs would lead to goto_locus
20403         location being lost from the IL.
20404
20405 2010-06-03  Jan Hubicka  <jh@suse.cz>
20406             Jakub Jelinek  <jakub@redhat.com>
20407
20408         * var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if
20409         set->regs[i] is NULL or has just one entry.
20410
20411 2010-06-03  Jan Hubicka  <jh@suse.cz>
20412
20413         * lto-cgraph.c (lto_varpool_encoder_size): Remove.
20414         * lto-streamer.h (lto_varpool_encoder_size): New inline function.
20415
20416 2010-06-03  Paul Brook  <paul@codesourcery.com>
20417
20418         * config/arm/arm.c (FL_TUNE): Define.
20419         (arm_default_cpu, arm_cpu_select): Remove.
20420         (all_cores): Populate core field.
20421         (arm_selected_arch, arm_selected_cpu, arm_selected_tune): New.
20422         (arm_find_cpu): New function.
20423         (arm_handle_option): Lookup cpu/architecture names.
20424         (arm_override_options): Cleanup mcpu/march/mtune handling.
20425         (arm_file_start): Ditto.
20426
20427 2010-06-03  Alan Modra  <amodra@gmail.com>
20428
20429         PR target/44169
20430         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand.
20431         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label
20432         rtx to gen_load_toc_v4_PIC_1b.  Tidy.
20433         (rs6000_emit_load_toc_table): Likewise.
20434
20435 2010-06-02  Jan Hubicka  <jh@suse.cz>
20436
20437         * passes.c (init_optimization_passes): Put ipa reference
20438         after ipa pure-const.
20439
20440 2010-06-02  Jan Hubicka  <jh@suse.cz>
20441
20442         * ipa-reference.c (ipa_reference_local_vars_info_d): Remove
20443         calls_read_all and calls_write_all.
20444         (get_reference_optimization_summary): Fix formatting.
20445         (is_proper_for_analysis): Check that decl is not readonly.
20446         (propagate_bits): Check CONST/PURE/noreturn flags.
20447         (ipa_init): Move all_module_statics to optimization_summary_obstack.
20448         (analyze_function): Ignore indirect edges.
20449         (copy_global_bitmap): For all module statics, do nothing.
20450         (generate_summary): Do not print calls_read_all/calls_write_all.
20451         (read_write_all_from_decl): Take node as argument; check
20452         cgraph_node_cannot_return.
20453         (propagate): Reorganize read_all/write_all computation;
20454         check indirect edges; check ecf flags; use all_module_statics
20455         in the results; do not free all_module_statics.
20456         (stream_out_bitmap): Handle all_module_statics.
20457         (ipa_reference_write_optimization_summary): Likewise; use
20458         varpool/cgraph encoders to get boundaries.
20459         (ipa_reference_read_optimization_summary): Read in all_module_statics;
20460         use it when possible.
20461
20462 2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
20463
20464         PR target/44218
20465         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete
20466         -mswdiv option.  Add -mrecip, -mrecip=<xxx>, -mrecip-precision options.
20467
20468         * doc/extend.texi (powerpc builtins): Document vec_recip,
20469         vec_rsqrt, vec_rsqrte altivec/vsx builtins.
20470
20471         * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New function.
20472         (rs6000_emit_swrsqrt): Ditto.
20473         (rs6000_emit_swdivsf): Delete.
20474         (rs6000_emit_swdivdf): Ditto.
20475         (rs6000_emit_swrsqrtsf): Ditto.
20476
20477         * config/rs6000/rs6000.c (rs6000_recip_bits): New global to
20478         describe the reciprocal estimate support for each type.
20479         (recip_options): Map -mrecip=<opt> into option bits.
20480         (gen_2arg_fn_t): New typedef for binary rtx gen function.
20481         (rs6000_debug_reg_global): If -mdebug=reg, print the state of the
20482         reciprocal estimate instructions.
20483         (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the
20484         debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double.
20485         Set up rs6000_recip_bits based on the -mrecip* options.  Print the
20486         cost information if -mdebug=cost or -mdebug=reg.
20487         (rs6000_override_options): Set -mrecip-precision for power6, and
20488         power7 machines.  If -mvsx or -mdfp, enable various options that
20489         came in previous instruction set ISAs, unless the option was
20490         explicitly disabled by the command line option.  Parse
20491         -mrecip=<opt> options.
20492         (rs6000_builtin_vectorized_function): Add support for vectorizing
20493         the reciprocal estimate builtins and expansions.
20494         (rs6000_handle_option): Add -mrecip, -mrecip=<opt> support.
20495         (bdesc_2arg): Add reciprocal estimate builtins.
20496         (bdesc_1arg): Add reciprocal square root estimate builtins.
20497         (rs6000_expand_builtin): Rewrite to use a switch statement,
20498         instead of multiple if/then/elses.  Add reciprocal estimate builtins.
20499         (rs6000_init_builtins): Create declarations for reciprocal
20500         estimate builtins.
20501         (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar
20502         sized, prefer traditional floating point registers, if integer
20503         vector types, prefer altivec registers.  Don't actually look at
20504         the memory address any more.
20505         (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate
20506         builtins.
20507         (rs6000_load_constant_and_splat): New helper function to load up
20508         the constant for reciprocal estimate instructions.
20509         (rs6000_emit_madd): New helper function for generating
20510         multiply/add type instructions, based on the current switches.
20511         (rs6000_emit_msub): Ditto.
20512         (rs6000_emit_mnsub): Ditto.
20513         (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to
20514         replace a divide with a reciprocal estimate and fixup, adding
20515         support for machines with high precision and vectors.
20516         (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for
20517         low precision machines.
20518         (rs6000_emit_swdiv): New common function to be called to replace a
20519         division with reciprocal estimate and fixup.
20520         (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf.  Add support
20521         for double and vector types.  Add support for high precision machines.
20522
20523         * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether
20524         the reciprocal estimate instructions can be generated.
20525         (TARGET_FRE): Ditto.
20526         (TARGET_FRSQRTES): Ditto.
20527         (TARGET_FRSQRTE): Ditto.
20528         (RS6000_RECIP_*): New macros for reciprocal estimate support.
20529
20530         * config/rs6000/vector.md (rsqrte<mode>2): New insn for reciprocal
20531         square root estimate on vectors.
20532         (re<mode>2): New insn for reciprocal division estimate on vectors.
20533
20534         * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP):
20535         New builtin.
20536         (ALTIVEC_BUILTIN_VRECIPFP): Ditto.
20537         (ALTIVEC_BUITLIN_VEC_RE): Ditto.
20538         (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto.
20539         (VSX_BUILTIN_RSQRT_V4SF): Ditto.
20540         (VSX_BUITLIN_RSQRT_V2DF): Ditto.
20541         (RS6000_BUILTIN_RSQRT): Ditto.
20542         (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a
20543         floating point builtin.
20544
20545         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
20546         macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__,
20547         __RECIP_PRECISION__ based on the command line switches.
20548         (altivec_overloaded_builtins): Add reciprocal estimate builtins.
20549
20550         * config/rs6000/rs6000.opt (-mrecip): Document add support for
20551         replacing division instructions with reciprocal estimate and fixup.
20552         (-mrecip=<opt>): New option.
20553         (-mrecip-precision): Ditto.
20554
20555         * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete.
20556         (vsx_rsqrte<mode>2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE.
20557         (vsx_copysignsf3): If -mvsx, use double precision cpsign on single
20558         precision scalar.
20559
20560         * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete.
20561         (UNSPEC_VREFP): Ditto.
20562         (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX
20563         conterparts with regard to support of -mno-fused-madd and -ffast-math.
20564         (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector
20565         reciprocal estimate instructions to be generated.
20566         (altivec_vrefp): Ditto.
20567
20568         * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal
20569         estimate support.
20570         (rreg): New mode attribute for reciprocal estimate support.
20571         (recip<mode>3): New insn for division using reciprocal estimate
20572         and fixup builtins.
20573         (divide define_split): New define_split to convert floating point
20574         division to use reciprocal estimate if the user used the
20575         appropriate options and the split is run when we can add new
20576         pseudo registers for the fixup.
20577         (rsqrt<mode>2): New insn for reciprocal square root support.
20578         (recipsf3): Move into recip<mode>3.
20579         (recipdf3): Ditto.
20580         (fres): Use TARGET_FRES.
20581         (rsqrtsf2): Move into rsqrt<mode>2.
20582         (rsqrtsf_internal1): Use TARGET_FRSQRTSES.
20583         (copysignsf3): Add support for VSX.
20584         (fred): Use TARGET_FRE.
20585         (fred_fpr): Ditto.
20586         (rsqrtdf_internal1): New function for frsqrte instruciton.
20587
20588         * config/rs6000/altivec.h (vec_recipdiv): Define new vector builtin.
20589         (vec_rsqrt): Ditto.
20590
20591 2010-06-03  Richard Guenther  <rguenther@suse.de>
20592
20593         PR middle-end/44291
20594         * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE.
20595         (set_user_assembler_libfunc): Likewise.
20596
20597 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
20598
20599         * mkconfig.sh: Include insn-flags.h and insn-constants.h before
20600         defaults.h.
20601         * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
20602         to defaults.h
20603         * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
20604         DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
20605         FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
20606         STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
20607         STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
20608         STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
20609         STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
20610         STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
20611         * defaults.h: Updated for above mentioned changes.
20612
20613 2010-06-02  Kai Tietz  <kai.tietz@onevision.com>
20614
20615         * c-common.c: Remove header include of tm_p.h.
20616         * Makefile.in (c-common.o): Remove TM_P_H dependency.
20617
20618 2010-06-02  Jakub Jelinek  <jakub@redhat.com>
20619
20620         * tree.h (struct tree_decl_map): New type.
20621         (tree_decl_map_eq, tree_decl_map_marked_p): Define.
20622         (tree_decl_map_hash): New prototype.
20623         (debug_expr_for_decl, value_expr_for_decl): Change into
20624         tree_decl_map hashtab from tree_map.
20625         (init_ttree): Adjust initialization.
20626         (tree_decl_map_hash): New function.
20627         (decl_debug_expr_lookup, decl_debug_expr_insert,
20628         decl_value_expr_lookup, decl_value_expr_insert): Adjust.
20629
20630 2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20631
20632         * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
20633         linker emulations.
20634         * configure: Regenerate.
20635         * config.in: Regenerate.
20636
20637         * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
20638         (X86_64_EMULATION): Define.
20639         (TARGET_LD_EMULATION): Use them.
20640
20641         * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
20642         (SPARC64_EMULATION): Define.
20643         (LINK_ARCH_SPEC): Use them.
20644
20645 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
20646
20647         * graphite-clast-to-gimple.c (gcc_type_for_interval): Use
20648         smallest_mode_for_size for computing the precision types of new
20649         graphite IVs.  Do not call lang_hooks.types.type_for_size.
20650
20651 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
20652
20653         * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG
20654         information.
20655         (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information.
20656
20657 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
20658
20659         PR middle-end/44363
20660         * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
20661         return false instead.
20662
20663 2010-06-02  Jan Hubicka  <jh@suse.cz>
20664
20665         PR middle-end/44295
20666         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not
20667         create new cgraph node to check callee.
20668
20669 2010-06-02  Richard Guenther  <rguenther@suse.de>
20670
20671         * lto-streamer-in.c (input_gimple_stmt): Fix typo.
20672
20673 2010-06-02  Richard Guenther  <rguenther@suse.de>
20674
20675         * lto-wrapper.c (lto_wrapper_exit): Rename to ...
20676         (lto_wrapper_cleanup): ... this.  Do not exit.
20677         (fatal): Adjust.  Exit here.
20678         (fatal_perror): Likewise.
20679         (fatal_signal): New function.
20680         (main): Set up signal handlers to cleanup temporary files.
20681         * Makefile.in (lto-wrapper.o): Adjust dependencies.
20682
20683 2010-06-02  Richard Guenther  <rguenther@suse.de>
20684
20685         PR tree-optimization/44377
20686         * tree-ssa-structalias.c (find_func_aliases): Fix typo.
20687
20688 2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
20689
20690         * config/s390/2097.md (z10_fhex): Remove insn reservation.
20691         * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
20692         (*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
20693         *mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
20694         instruction.
20695         * config/s390/s390.c: Don't accept fp zeros as valid constants anymore.
20696
20697 2010-06-02  Jan Hubicka  <jh@suse.cz>
20698
20699         * bitmap.c (bitmap_descriptor): Add search_iter.
20700         (bitmap_find_bit): Increment it.
20701         (print_statistics): Print it.
20702
20703 2010-06-02  Nathan Froyd  <froydnj@codesourcery.com>
20704
20705         * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call
20706         instead of gimple_build_call_vec.  Delete unnecessary local variable.
20707
20708 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
20709
20710         * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling"
20711         change from yesterday.
20712
20713 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
20714
20715         * c-ada-spec.c: Clean up redundant includes.
20716
20717 2010-06-01  Steven Bosscher  <steven@gcc.gnu.org>
20718
20719         * gimplify.c: Do not include except.h and optabs.h.
20720         (gimplify_body): Do not initialize RTL profiling.
20721         * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h,
20722         langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h.
20723         * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h,
20724         output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and
20725         langhooks.h.
20726
20727         * tree-pretty-print.h: Include pretty-print.h.
20728         * gimple-pretty-print.h: Include pretty-print.h.
20729
20730         * tree-pretty-print.c: Do not include diagnostic.h.
20731         * tree-vrp.c: Likewise.
20732         * tree-tailcall.c: Likewise
20733         * tree-scalar-evolution.c: Likewise
20734         * tree-ssa-dse.c: Likewise
20735         * tree-chrec.c: Likewise
20736         * tree-ssa-sccvn.c: Likewise
20737         * tree-ssa-copyrename.c: Likewise
20738         * tree-nomudflap.c: Likewise
20739         * tree-call-cdce.c: Likewise
20740         * tree-stdarg.c: Likewise
20741         * tree-ssa-math-opts.c: Likewise
20742         * tree-nrv.c: Likewise
20743         * tree-ssa-sink.c: Likewise
20744         * tree-browser.c: Likewise
20745         * tree-ssa-loop-ivcanon.c: Likewise
20746         * tree-ssa-loop.c: Likewise
20747         * tree-parloops.c: Likewise
20748         * tree-ssa-address.c: Likewise
20749         * tree-ssa-ifcombine.c: Likewise
20750         * tree-if-conv.c: Likewise
20751         * tree-data-ref.c: Likewise
20752         * tree-affine.c: Likewise
20753         * tree-ssa-phiopt.c: Likewise
20754         * tree-ssa-coalesce.c: Likewise
20755         * tree-ssa-pre.c: Likewise
20756         * tree-ssa-live.c: Likewise
20757         * tree-predcom.c: Likewise
20758         * tree-ssa-forwprop.c: Likewise
20759         * tree-ssa-dce.c: Likewise
20760         * tree-ssa-ter.c: Likewise
20761         * tree-ssa-loop-prefetch.c: Likewise
20762         * tree-optimize.c: Likewise
20763         * tree-ssa-phiprop.c: Likewise
20764         * tree-object-size.c: Likewise
20765         * tree-outof-ssa.c: Likewise
20766         * tree-ssa-structalias.c: Likewise
20767         * tree-switch-conversion.c: Likewise
20768         * tree-ssa-reassoc.c: Likewise
20769         * tree-ssa-operands.c: Likewise
20770         * tree-vectorizer.c: Likewise
20771         * tree-vect-data-refs.c: Likewise
20772         * tree-vect-generic.c: Likewise
20773         * tree-vect-stmts.c: Likewise
20774         * tree-vect-patterns.c: Likewise
20775         * tree-vect-slp.c: Likewise
20776         * tree-vect-loop.c: Likewise
20777         * tree-ssa-loop-ivopts.c: Likewise
20778         * tree-ssa-loop-im.c: Likewise
20779         * tree-ssa-loop-niter.c: Likewise
20780         * tree-ssa-loop-unswitch.c: Likewise
20781         * tree-ssa-loop-manip.c: Likewise
20782         * tree-ssa-loop-ch.c: Likewise
20783         * tree-dump.c: Likewise
20784         * tree-complex.c: Likewise
20785
20786         * tree-into-ssa.c: Do not include diagnostic.h and expr.h.
20787         * tree-ssa-uninit.c: Likewise
20788         * tree-ssa-threadupdate.c: Likewise
20789         * tree-ssa-uncprop.c: Likewise
20790         * tree-ssa-ccp.c: Likewise
20791         * tree-ssa-dom.c: Likewise
20792         * tree-ssa-propagate.c: Likewise
20793         * tree-ssa-alias.c: Likewise
20794         * tree-dfa.c: Likewise
20795         * tree-cfgcleanup.c: Likewise
20796         * tree-sra.c: Likewise
20797         * tree-ssa-copy.c: Likewise
20798         * tree-ssa.c: Likewise
20799         * tree-profile.c: Likewise
20800         * tree-cfg.c: Likewise
20801         * tree-ssa-threadedge.c: Likewise
20802         * tree-vect-loop-manip.c: Likewise
20803
20804         * tree-inline.c: Do not include diagnostic.h and expr.h.
20805         Include rtl.h.
20806         (copy_decl_for_dup_finish): Do not use NULL_RTX.
20807
20808         * tree-loop-linear.c: Do not include diagnostic.h, expr.h and optabs.h.
20809         * tree-loop-distribution.c: Likewise.
20810
20811 2010-06-01  Jan Hubicka  <jh@suse.cz>
20812
20813         * ipa-pure-const.c (local_pure_const): Do NORETURN discovery.
20814
20815 2010-06-01  Jan Hubicka  <jh@suse.cz>
20816
20817         * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...;
20818         remove return value.
20819         (split_bbs_on_noreturn_calls) .... here.
20820         * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too.
20821         * tree-flow.h (fixup_noreturn_call): New.
20822
20823 2010-06-01  Jan Hubicka  <jh@suse.cz>
20824
20825         * emit-rtl.c (remove_insn): Fix thinko in prevoius patch.
20826
20827 2010-06-01  Nathan Froyd  <froydnj@codesourcery.com>
20828
20829         * tree.h (build_nt_call_list): Delete.
20830         * tree.c (build_nt_call_list): Delete.
20831
20832 2010-06-01  Jan Hubicka  <jh@suse.cz>
20833
20834         * fwprop.c: Make emit-rtl.h include last.
20835         * rtlanal.c: Include emit-rtl.h.
20836         * genautomata.c: Output emit-rtl include into insn-automata.c
20837         * df-scan.c: Include emit-rtl.h.
20838         * haifa-sched.c: Indlude emit-rtl.h.
20839         * mode-switching.c: Indlude emit-rtl.h.
20840         * graph.c: Indlude emit-rtl.h.
20841         * sel-sched.c: Include emit-rtl.h.
20842         * sel-sched-ir.c: Include emit-rtl.h.
20843         * ira-build.c: Include emit-rtl.h.
20844         * emit-rtl.c (first_insn, last_insn): Remove defines.
20845         (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
20846         Move to emit-rtl.h.
20847         (set_new_first_and_last_insn, get_last_insn_anywhere,
20848         get_first_nonnote_insn, get_last_nonnote_insn, try_split,
20849         make_call_insn_raw, add_insn_after, add_insn_before, remove_insn,
20850         delete_insns_since, reorder_insns_nobb, emit_insn_after_1,
20851         emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence,
20852         push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn):
20853         Use accessor functions.
20854         * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
20855          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
20856         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
20857         mem_expr_equal_p): Move here from rtl.h.
20858         (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
20859         Move here from emit-rtl.c; make inline.
20860         * cfglayout.h: Include emit-rtl.h.
20861         * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
20862          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
20863         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
20864         mem_expr_equal_p, get_insns, set_first-insn,
20865         get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h.
20866         * reg-stack.c: Include emit-rtl.h.
20867         * dce.c: Likewise.
20868
20869 2010-06-01  Jan Hubicka  <jh@suse.cz>
20870
20871         * cgraph.h (tree_function_versioning): Update prototype.
20872         (cgraph_function_versioning): Update prototype.
20873         * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy
20874         bitmap.
20875         (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy.
20876         (cgraph_materialize_clone, save_inline_function_body): Update use of
20877         tree_function_versioning.
20878         * tree-inline.c (copy_bb): Look for previous copied block to link
20879         after; fix debug output.
20880         (copy_cfg_body): Accept new_entry_block and bbs_to_copy.
20881         (copy_body): Likewise.
20882         (expand_call_inline): Update use of copy_body.
20883         (tree_function_versioning): Update use of copy body; accept
20884         blocks_to_copy and new_entry.
20885
20886 2010-06-01  Jan Hubicka  <jh@suse.cz>
20887
20888         * gegenrtl.c: Remove unnecesary prototypes.
20889         (gendecl): Remove.
20890         (gendef): Produce static inline.
20891         (gencode): Remove.
20892         (main): Do not decode parameters; generate header only.
20893         * Makefile.in (genrtl.c): Remove.
20894
20895 2010-06-01  Jan Hubicka  <jh@suse.cz>
20896
20897         * tree-switch-conversion.c (build_one_array): Make it readonly.
20898
20899 2010-06-01  Richard Guenther  <rguenther@suse.de>
20900
20901         * optabs.c (init_optabs): Guard all accesses to reinit.
20902         * ipa-pure-const.c (propagate): Fix another typo.
20903         * opts.c (common_handle_option): Split assignment to bool.
20904         * c-opts.c (c_common_handle_option): Likewise.
20905
20906 2010-06-01  Arnaud Charlet  <charlet@adacore.com>
20907             Matthew Gingell  <gingell@adacore.com>
20908
20909         * doc/invoke.texi: Mention -fdump-ada-spec.
20910         * tree-dump.c (dump_files): Add ada-spec.
20911         (FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
20912         * tree-pass.h (tree_dump_index): Add TDI_ada.
20913         * gcc.c: Add support for -C without -E and for -fdump-ada-spec.
20914         (cpp_unique_options): Do not reject -C or -CC when -E isn't present.
20915         (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
20916         * c-decl.c: Include c-ada-spec.h.
20917         (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
20918         functions.
20919         (c_write_global_declarations): Add handling of -fdump-ada-spec.
20920         * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
20921         * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
20922         * c-ada-spec.h, c-ada-spec.c: New files.
20923
20924 2010-06-01  Richard Guenther  <rguenther@suse.de>
20925
20926         PR lto/43853
20927         * ipa-pure-const.c (get_function_state): Hand back varying state
20928         if we do not have one.
20929         (has_function_state): New function.
20930         (duplicate_node_data): Adjust.
20931         (remove_node_data): Likewise.
20932         (pure_const_write_summary): Likewise.
20933         (propagate): Likewise.  Fix typo.
20934
20935 2010-06-01  Jan Hubicka  <jh@suse.cz>
20936
20937         * tree-cfg.c (verify_stmt): Do not skip could_throw test.
20938         * passes.c (execute_function_todo): Do not make implicit verify_ssa.
20939         (execute_all_ipa_transforms): Do not play with the states.
20940
20941 2010-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20942
20943         * config/arm/t-linux-androideabi: New.
20944         * config.gcc (arm*-*-linux-androideabi): Include multilib config.
20945
20946 2010-06-01  Jan Hubicka  <jh@suse.cz>
20947
20948         * tree-inline.c (estimate_num_insns): For stdarg functions look
20949         into call statement to count cost of argument passing.
20950
20951 2010-06-01  Kai Tietz  <kai.tietz@onevision.com>
20952
20953         * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
20954         argument for fprintf.
20955         (ix86_output_addr_diff_elt): Likewise.
20956         (x86_function_profiler): Likewise.
20957         * config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore.
20958         (LPREFIX): Likewise.
20959         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
20960
20961 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
20962
20963         PR target/44338
20964         * config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
20965         fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
20966         fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
20967         fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
20968         fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
20969         fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
20970         fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
20971         Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
20972         TARGET_FUSED_MADD.
20973
20974 2010-05-31  Jan Hubicka  <jh@suse.cz>
20975
20976         * tree.h (tree_range_check_failed): Declare noreturn.
20977
20978 2010-05-31  Jan Hubicka  <jh@suse.cz>
20979
20980         * gimple.c (gimple_call_builtin_p): New function.
20981         * gimple.h (gimple_call_builtin_p): Declare.
20982         * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
20983         to exit.
20984         (execute_warn_function_return): BUILT_IN_RETURN is return.
20985         (split_critical_edges): Return edges are not critical.
20986         (is_ctrl_altering_stmt): Builtin_in_return is altering.
20987         (gimple_verify_flow_info): Handle built_in_return.
20988         (execute_warn_function_return): Handle built_in_return.
20989         * ipa-pure-const.c (check_call): Ignore builtin_return.
20990
20991 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
20992
20993         PR middle-end/44337
20994         * expr.c (expand_assignment): Don't store anything for out-of-bounds
20995         array accesses with non-MEM.
20996
20997         PR tree-optimization/44182
20998         * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
20999         newly needs to end a bb is followed by debug stmts, instead return
21000         true from the function at the end.
21001         (maybe_move_debug_stmts_to_successors): New function.
21002         (copy_cfg_body): Call it if copy_edges_for_bb returned true.
21003
21004 2010-05-31  Kai Tietz  <kai.tietz@onevision.com>
21005
21006         PR target/44161
21007         * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle flag_pic.
21008
21009 2010-05-31  Eric Botcazou  <ebotcazou@adacore.com>
21010
21011         * cgraphunit.c (cgraph_decide_is_function_needed): Really return false
21012         for nested functions in non-optimized compilation.
21013
21014 2010-05-31  Richard Guenther  <rguenther@suse.de>
21015
21016         * tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN.
21017
21018 2010-05-30  Jan Hubicka  <jh@suse.cz>
21019
21020         * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
21021
21022 2010-05-30  Richard Guenther  <rguenther@suse.de>
21023
21024         PR lto/42975
21025         * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
21026         (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
21027         no longer needed.
21028
21029 2010-05-30  Iain Sandoe  <iains@gcc.gnu.org>
21030
21031         * config/darwin.c (output_objc_section_asm_op): Add comment.
21032         (name_needs_quotes): Add '_' to list of valid comment chars.
21033         (machopic_output_function_base_name): Remove unneeded quotes.
21034         (darwin_encode_section_info): Adjust asm whitespace.
21035         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs.
21036         (ASM_OUTPUT_LOCAL): Ditto.
21037         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto.
21038         * config/darwin.h (GLOBAL_ASM_OP): Ditto.
21039         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto.
21040
21041 2010-05-30  Eric Botcazou  <ebotcazou@adacore.com>
21042
21043         * config/rs6000/rs6000.c (rs6000_output_function_entry): Use
21044         RS6000_OUTPUT_BASENAME unconditionally.
21045         (rs6000_output_function_epilogue): Likewise.
21046
21047 2010-05-30  Jan Hubicka  <jh@suse.cz>
21048
21049         * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool
21050         nodes.
21051
21052 2010-05-30  Richard Guenther  <rguenther@suse.de>
21053
21054         * tree-cfg.c (verify_gimple_assign_single): Implement
21055         verification for COND_EXPR rhs.
21056
21057 2010-05-30  Jan Hubicka  <jh@suse.cz>
21058
21059         * cgraph.h (cgraph_dump_file): Declare.
21060         * cgraphunit.c (cgraph_dump_file): Export.
21061         * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less verbose.
21062
21063 2010-05-30  Jan Hubicka  <jh@suse.cz>
21064
21065         * dwarf2out.c (reference_to_unused,
21066         premark_types_used_by_global_vars_helper): Avoid creation of new
21067         varpool nodes.
21068
21069 2010-05-30  Jan Hubicka  <jh@suse.cz>
21070
21071         * cgraph.h (cgraph_node_cannot_return,
21072         cgraph_edge_cannot_lead_to_return): New functions.
21073         * cgraph.c (cgraph_node_cannot_return,
21074         cgraph_edge_cannot_lead_to_return): Use them.
21075         * ipa-pure-const.c (pure_const_names): New static var.
21076         (check_call): Handle calls not leading to return.
21077         (pure_const_read_summary): Dump info read.
21078         (propagate): Dump info about propagation process; ignore side effects
21079         of functions not leading to exit; fix handling of pure functions.
21080
21081 2010-05-30  Jan Hubicka  <jh@suse.cz>
21082
21083         * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP
21084         for tail call epilogues.
21085
21086 2010-05-30  Jan Hubicka  <jh@suse.cz>
21087
21088         * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2,
21089         ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize
21090         dump files.
21091
21092 2010-05-29  Jan Hubicka  <jh@suse.cz>
21093
21094         * ipa.c (cgraph_remove_unreachable_node): Walk references of correct
21095         node; remove references in node we no longer keep in cgrpah but need
21096         body of.
21097
21098 2010-05-29  Jan Hubicka  <jh@suse.cz>
21099
21100         * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes.
21101
21102 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21103
21104         PR target/44165
21105         * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used.
21106
21107 2010-05-29  Jan Hubicka  <jh@suse.cz>
21108
21109         * tree-vrp.c (debug_value_range, debug_all_value_ranges,
21110         debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION.
21111         * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs,
21112         debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks,
21113         debug_names_replaced_by, debug_update_ssa): Likewise.
21114         * sbitmap.c (debug_sbitmap): Likewise.
21115         * genrecog.c (debug_decision, debug_decision_list): Likewise.
21116         * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt,
21117         debug_tree_chain): Likewise.
21118         * tree-loop-distribution.c (debug_rdg_partitions): Likewise.
21119         * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise.
21120         * optabs.c (debug_optab_libfuncs): Likewise.
21121         (verify_loop_closed_ssa): Likewise.
21122         * value-prof.c (verify_histograms): Likewise.
21123         * reload.c (debug_reload_to_stream, debug_reload): Likewise.
21124         * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise.
21125         * cfghooks.c (verify_flow_info): Likewise.
21126         * fold-const.c (debug_fold_checksum): Likewise.
21127         * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise.
21128         * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n):
21129         Likewise.
21130         * omega.c (debug_omega_problem): Likewise.
21131         * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise.
21132         * tree-ssa-ccp.c (debug_lattice_value): Likewise.
21133         * dominance.c (verify_dominators, debug_dominance_info,
21134         debug_dominance_tree): Likewise.
21135         * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno,
21136         * df_regno_debug, df_ref_debug,
21137         debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref,
21138         debug_df_defno, debug_df_useno, debug_df_chain): Likewise.
21139         * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise.
21140         * sel-sched.c (debug_state): Likewise.
21141         * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for):
21142         Likewise.
21143         * cfganal.c (print_edge_list, verify_edge_list): Likewise.
21144         * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise.
21145         * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise.
21146         * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq):
21147         Likewise.
21148         * c-pretty-print.c (debug_c_tree): Likewise.
21149         * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn
21150         debug_av_set, debug_lv_set, debug_ilist, debug_blist,
21151         debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise.
21152         * ebitmap.c (debug_ebitmap): Likewise.
21153         * function.c (debug_find_var_in_block_tree): Likewise.
21154         * print-rtl.c (debug_rtx): Likewise.
21155         (debug_rtx_count): Likewise.
21156         (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise.
21157         * stor-layout.c (debug_rli): Likewise.
21158         * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise.
21159         * tree-data-ref.c (debug_data_references,
21160         debug_data_dependence_relations, debug_data_reference,
21161         debug_data_dependence_relation, debug_rdg_vertex,
21162         debug_rdg_component, debug_rdg): Likewise.
21163         * tree-affine.c (debug_aff): Likewise.
21164         * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats):
21165         Likewise.
21166         * except.c (debug_eh_tree, verify_eh_tree): Likewise.
21167         * emit-rtl.c (verify_rtl_sharing): Likewise.
21168         * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set,
21169         debug_value_expressions): Likewise.
21170         * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise.
21171         * sese.c (debug_rename_map, debug_ivtype_map): Likewise.
21172         * print-tree.c (debug_tree, debug_vec_tree): Likewise.
21173         * cfglayout.c (verify_insn_chain): Likewise.
21174         * graphite-clast-to-gimple.c (debug_clast_name_indexes,
21175         debug_clast_stmt, debug_generated_program): Likewise.
21176         * ggc-page.c (debug_print_page_list): Likewise.
21177         * tree-ssa-ter.c (debug_ter): Likewise.
21178         * graphite-dependences.c (debug_pddr): Likewise.
21179         * sched-deps.c (debug_ds): Likewise.
21180         * tree-ssa.c (verify_ssa): Likewise.
21181         * graphite-poly.c (debug_scattering_function, debug_iteration_domain,
21182         debug_scattering_functions, debug_iteration_domains, debug_pdr,
21183         debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context,
21184         debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise.
21185         * tree-inline.c (debug_find_tree): Likewise.
21186         * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix,
21187         debug_ppl_powerset_matrix): Likewise.
21188         * var-tracking.c (debug_dv): Likewise.
21189         * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define.
21190         * cfgloop.c (verify_loop_structure): Likewise.
21191         * plugin.c (dump_active_plugins, debug_active_plugins): Likewise.
21192         * c-common.c (verify_sequence_points): Likewise.
21193         * sched-rgn.c (debug_regions, debug_region, debug_candidate,
21194         debug_candidates, debug_rgn_dependencies): Likewise.
21195         * tree-ssa-structalias.c (debug_constraint, debug_constraints,
21196         * debug_constraint_graph, debug_solution_for_var,
21197         debug_sa_points_to_info): Likewise.
21198         * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim):
21199         Likewie.
21200         * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function,
21201         debug_loops, debug_loop, debug_loop_num): Likewise.
21202         * passes.c (debug_pass): Likewise.
21203         (dump_properties): Likewise; add cfglayout property.
21204         (debug_properties): Likewise.
21205         * tree-ssa-reassoc.c (debug_ops_vector): Likewise.
21206         * varpool.c (debug_varpool): Likewise.
21207         * regcprop.c (debug_value_data): Likewise.
21208         * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses,
21209         debug_immediate_uses_for): Likewise.
21210
21211 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
21212
21213         PR bootstrap/44315
21214         * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H).
21215         Filter out insn-flags.h.
21216
21217 2010-05-29  Jan Hubicka  <jh@suse.cz>
21218
21219         * cgraph.h (struct varpool_node_set_def,
21220         struct cgraph_node_set_def): Remove unused AUX pointer.
21221         (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
21222         VEC_empty macro.
21223
21224 2010-05-29  Jan Hubicka  <jh@suse.cz>
21225
21226         PR middle-end/44324
21227         * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop".
21228
21229 2010-05-29  Richard Guenther  <rguenther@suse.de>
21230
21231         * lto-streamer.c (cached_bp): New global variable.
21232         (bitpack_create): Return the cached bitpack, if available.
21233         (bitpack_delete): Clear and cache the bitpack, if appropriate.
21234         (bp_pack_value): Remove redundant asserts.
21235
21236 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
21237
21238         PR middle-end/44306
21239         * tree-if-conv.c (is_true_predicate): New.
21240         (is_predicated): Use is_true_predicate.
21241         (add_to_predicate_list): Same.  Do not use unshare_expr.
21242         (add_to_dst_predicate_list): Same.
21243
21244 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
21245
21246         * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
21247         field on edges.
21248         (predicate_bbs): Same.
21249         (clean_predicate_lists): Same.
21250         (find_phi_replacement_condition): Do not AND the predicate from
21251         edge->aux.
21252
21253 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
21254
21255         PR bootstrap/44315
21256         * Makefile.in (build/gencondmd.o): Add a missing `\'.
21257
21258 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21259
21260         PR target/44261
21261         config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
21262         (negdf2): Adjust expander pattern and use negdf2_slow.
21263         (negsf2): Likewise.
21264
21265 2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>
21266
21267         * basic-block.h (struct control_flow_graph): Move last_label_uid field
21268         up.
21269         * df.h (struct df_base_ref): Move regno field up.
21270         * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
21271         * expr.h (struct separate_ops): Move location field up.
21272         * optabs.h (struct optab_d): Move libcall_basename field down.
21273         * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
21274         * config/i386/i386.h (struct machine_function): Convert call_abi field
21275         into a bitfield.  Move cfa field to the end of the structure.
21276
21277 2010-05-29  Jan Hubicka  <jh@suse.cz>
21278
21279         * varpool.c (varpool_get_node): Fix lookup.
21280
21281 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
21282
21283         * config/spu/spu-protos.h: Do not include rtl.h.  Protect
21284         RTL specific prototypes with #ifdef RTX_CODE.
21285         * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
21286         * config/spu/t-spu-elf: Fix dependencies.
21287
21288         * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.
21289
21290 2010-05-29  Mike Stump  <mikestump@comcast.net>
21291
21292         PR bootstrap/44315
21293         * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
21294         TM_H when building to avoid dependency loops.
21295
21296 2010-05-29  Jan Hubicka  <jh@suse.cz>
21297
21298         * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
21299         refs and body; not the whole node for masters of materialized clones.
21300
21301 2010-05-29  Mike Stump  <mikestump@comcast.net>
21302
21303         * config/rs6000/rs6000-c.c: Remove c-tree.h include.
21304
21305 2010-05-29  Jan Hubicka  <jh@suse.cz>
21306
21307         * cgraph.c (clone_function_name): Take SUFFIX argument; export.
21308         (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
21309         use of clone_function_name.
21310         * cgraph.h (cgraph_create_virtual_clone,
21311         cgraph_function_versioning): update prototypes.
21312         (clone_function_name): Declare.
21313         * ipa-cp.c (ipcp_insert_stage): Update call of
21314         cgraph_create_virtual_clone.
21315         * omp-low.c (create_omp_child_function_name): Use
21316         cgraph_create_virtual_clone.
21317         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
21318         (cgraph_function_versioning): Take SUFFIX argument; produce new name
21319         and make decl local.
21320
21321 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
21322
21323         * vec.h: Include statistics.h
21324         * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
21325         with VEC_H.
21326
21327 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
21328
21329         * c-lex.c: Do not include c-tree.h.
21330         * c-pretty-print.c: Likewise.
21331         * c-opts.c: Likewise.
21332         * c-gimplify.c: Likewise.
21333         * c-common.c: Likewise.
21334         * c-dump.c: Likewise.  Include c-common.h.
21335
21336 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
21337
21338         * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
21339         before including diagnostic-core.h.
21340         (c_cpp_error): New prototype moved from c-tree.h.
21341         Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
21342         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
21343         (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
21344         (c_cpp_error): Prototype moved to c-common.h.
21345         * Makefile.in: Update dependency for C_COMMON_H.
21346
21347 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
21348
21349         * c-common.h: Add FIXME for awkward split of c_register_addr_space.
21350         * c-common.c (c_register_addr_space): Remove here.
21351         * c-decl.c (c_register_addr_space): Re-add here.
21352
21353 2010-05-28  Mike Stump  <mikestump@comcast.net>
21354
21355         * config/darwin-c.c: Remove c-tree.h include.
21356
21357 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
21358
21359         * gcc.c: Include diagnostic.h.
21360         (error_count): Remove.  All users changed to use errorcount.
21361         (programname): Remove.  All users changed to use progname.
21362         (fancy_abort, internal_error, fatal_error, error, warning, inform,
21363         fnotice): Remove.
21364         (execute): Don't include "Internal error" and bug reporting
21365         information in argument of internal_error call.
21366         (process_command): Don't increment error_count after calling
21367         perror_with_name.
21368         (input_filename): Rename to gcc_input_filename.  All users
21369         changed.
21370         (main): Call diagnostic_initialize.  Register delete_temp_files
21371         with atexit.  Use seen_error to test for errors.
21372         * gcc.h: Include diagnostic-core.h.
21373         (fatal_error, error, warning): Remove.
21374         * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
21375         (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
21376         (gcc.o): Update dependencies.
21377
21378 2010-05-28  Jeff Law  <law@redhat.com>
21379
21380         * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
21381         functions.
21382         * ira.h (ira_bad_reload_regno): Declare
21383         * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.
21384
21385         * ira-color.c (update_curr_costs): Free updated hard reg costs.
21386         (ira_reassign_conflict_allocnos): Remove bogus asserts.
21387         (allocno_reload_assign): Likewise.
21388
21389 2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>
21390
21391         * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
21392         build1_stat.
21393
21394 2010-05-28  Richard Guenther  <rguenther@suse.de>
21395
21396         PR lto/44312
21397         * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
21398         Stream fixed-point constants mode.
21399         (unpack_ts_type_value_fields): Fix width of TYPE_MODE
21400         and TYPE_PRECISION.
21401         * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
21402         Stream fixed-point constants mode.
21403         (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
21404         and TYPE_PRECISION.
21405
21406 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
21407
21408         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
21409         only place it was called from.
21410         (number_of_latch_executions): Do not return chrec_dont_know when the
21411         may_be_zero is a runtime condition: instead, return a COND_EXPR
21412         including the may_be_zero condition.
21413         * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
21414         of nb_iterations.
21415         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
21416         COND_EXPRs.
21417
21418 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
21419
21420         * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
21421         generate COND_EXPRs for degenerate_phi_result.
21422
21423 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
21424
21425         PR middle-end/44293
21426         * tree-if-conv.c (if_convertible_loop_p): Check the
21427         if-convertibility of phi nodes in non predicated BBs.
21428
21429 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
21430
21431         * gcc.c (error, warning, inform): Remove duplicate ": " in output.
21432
21433 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
21434
21435         PR driver/15303
21436         * gcc.c (inform, warning, inform): New functions.
21437         (fatal_ice): Rename to internal_error; change cmsgid parameter to
21438         gmsgid.  All callers changed.
21439         (notice): Rename to fnotice; add parameter fp.  All callers changed.
21440         (fatal_error): Rename to fatal_signal.  All users changed.
21441         (fatal): Rename to fatal_error; change cmsgid parameter to
21442         gmsgid.  All callers changed.
21443         (process_command): Use warning instead of error for warnings.
21444         (end_going_arg): Don't use _() around argument of error.
21445         (do_spec_1): Use inform for message from %n specs.  Use warning
21446         instead of error for warnings.
21447         (main): Use inform for comparison messages.  Use warning for
21448         message about unused linker input.
21449         (error): Increment error_count.  Print "error: ".
21450         * gcc.h (fatal): Change to fatal_error.
21451         (warning): Declare.
21452         * config/darwin-driver.c (darwin_default_min_version): Use warning
21453         instead of fprintf for warnings.
21454         * cppspec.c (lang_specific_driver): Use fatal_error instead of fatal.
21455
21456 2010-05-28  Julian Brown  <julian@codesourcery.com>
21457
21458         * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
21459         (*thumb2_addsi3_compare0_scratch): New.
21460         * config/arm/constraints.md (Pv): New.
21461         * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
21462         for ARM mode only.
21463         (*addsi3_compare0_scratch): Likewise.
21464
21465 2010-05-28  Jan Hubicka  <jh@suse.cz>
21466
21467         * ipa-reference.c (add_static_var): Remove redundant all_module_statics
21468         check.
21469         (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
21470         only on local statics.
21471
21472 2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>
21473
21474         * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.
21475
21476 2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
21477
21478         PR bootstrap/44314
21479         * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
21480         (OPTION_GLIBC): Define.
21481
21482 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
21483
21484         PR debug/41048
21485         * dwarf2out.c (double_int_type_size_in_bits): New function.
21486         (round_up_to_align): Change first argument and return value to
21487         double_int.
21488         (field_byte_offset): Work internally on double_ints.
21489
21490         PR target/43636
21491         * builtins.c (expand_movstr): Use a temporary pseudo instead
21492         of target even when target is not NULL and not const0_rtx, but
21493         fails movstr predicate.
21494         * config/m32c/blkmov.md (movstr): Add predicate to first operand.
21495
21496 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
21497
21498         * final.c (rest_of_clean_state): Use %m in errors instead of
21499         strerror (errno).
21500         * gengtype.c (read_input_list, close_output_files): Use xstrerror
21501         instead of strerror.
21502         * toplev.c (process_options): Use %m in errors instead of strerror
21503         (errno).
21504         * tree-dump.c (dump_begin): Use %m in errors instead of strerror
21505         (errno).
21506
21507 2010-05-28  Uros Bizjak  <ubizjak@gmail.com>
21508
21509         * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
21510         (ix86_canonical_va_list_type): Make static.  Add declaration.
21511         (ix86_enum_va_list): Make static.  Reindent.
21512         * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
21513         (ix86_canonical_va_list_type): Ditto.
21514         (ix86_enum_va_list): Ditto.
21515
21516 2010-05-28  Richard Guenther  <rguenther@suse.de>
21517
21518         * lto-wrapper.c (run_gcc): With -save-temps generate a
21519         user-visible ltrans filename.  Fixup ltrans unit numbering.
21520
21521 2010-05-28  Kai Tietz  <kai.tietz@onevision.com>
21522
21523         * c-common.c (c_common_nodes_and_builtins): Replace use
21524         of TARGET_ENUM_VA_LIST by target hook enum_va_list.
21525         * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
21526         to ix86_enum_va_list.
21527         * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
21528         * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
21529         (TARGET_ENUM_VA_LIST_P): Add hook description.
21530         * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
21531         * target.h (gcc_target): Add enum_va_list hook.
21532
21533         PR bootstrap/44299
21534         * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
21535         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
21536         * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.
21537
21538 2010-05-28  Alan Modra  <amodra@gmail.com>
21539
21540         PR target/44266
21541         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
21542         emit_library_call machinery to set up __tls_get_addr calls.
21543
21544 2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
21545
21546         * config/s390/s390.md (movqi): Fix typo ('*' -> '#').
21547
21548 2010-05-28  Dodji Seketeli  <dodji@redhat.com>
21549
21550         Revert fix for PR c++/44188
21551         * c-common.c (is_typedef_decl): Revert the moving of  this
21552         definition ...
21553         * tree.c (is_typedef_decl): ... here.
21554         (typdef_variant_p): Revert the moving of this  definition
21555         here from cp/tree.c.
21556         * c-common.h (is_typedef_decl): Revert the moving of this
21557         declaration ...
21558         * tree.h (is_typedef_decl): ... here.
21559         (typedef_variant_p): Revert the moving of this  declaration here
21560         from cp/cp-tree.h
21561         * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
21562         (gen_tagged_type_die): Revert the splitting out of ...
21563         (gen_type_die_with_usage): ... this function. Revert the anonymous
21564         tagged type handling.
21565         (gen_typedef_die): Revert emitting DW_TAG_typedef  for
21566         typedefs naming anonymous tagged types.
21567
21568 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
21569
21570         * config/rs6000/rs6000-modes.def (PSImode): Delete.
21571
21572 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
21573
21574         * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
21575         * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
21576         throughout.
21577         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
21578         "xer" to "ca".
21579         Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
21580         XER_REGS to CA_REGS throughout.
21581         * config/rs6000/rs6000.h: Same.
21582         (ADDITIONAL_REGISTER_NAMES): Add "xer".
21583         * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
21584         that mode_iterator "P" is the size for arithmetic carries as well.
21585         * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.
21586
21587 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
21588
21589         PR bootstrap/44255
21590         * combine.c (struct rtx_subst_pair): Define unconditionally.
21591         (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
21592         copy_rtx pair->to instead of cleanup_auto_inc_dec it.
21593         Call make_compound_operation on pair->to.
21594         (propagate_for_debug): Don't call make_compound_operation here.
21595         Always use simplify_replace_fn_rtx.
21596
21597 2010-05-27  Sterling Augustine  <sterling@tensilica.com>
21598
21599         * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
21600         * config/xtensa/xtensa.c (override_options): Check
21601           TARGET_FORCE_NO_PIC and set flag_pic.
21602         * config/xtensa/xtensa.opt: Document -mforce-no-pic
21603
21604 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
21605
21606         PR bootstrap/44299
21607         * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
21608         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.
21609
21610 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
21611
21612         * diagnostic-core.h: New.  Contents moved from diagnostic.h and
21613         toplev.h.
21614         * diagnostic.c: Don't include toplev.h.
21615         (progname): Define.  Moved from toplev.c.
21616         (seen_error): New function.
21617         * diagnostic.h: Include diagnostic-core.h.
21618         (diagnostic_t, emit_diagnostic): Don't declare here.
21619         * toplev.c (progname): Move to toplev.c.
21620         (emit_debug_global_declarations, compile_file, finalize,
21621         do_compile, toplev_main): Use seen_error.
21622         * toplev.h: Include diagnostic-core.h.
21623         (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
21624         internal_error, warning, warning_at, error, error_n, error_at,
21625         fatal_error, pedwarn, permerror, sorry, inform, inform_n,
21626         verbatim, fnotice, progname): Move to diagnostic-core.h.
21627         * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
21628         (expand_builtin_expect): Use seen_error.
21629         * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
21630         (c_make_fname_decl, c_write_global_declarations): Use seen_error.
21631         * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
21632         * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
21633         * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
21634         * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
21635         errorcount for errors.
21636         * c-opts.c (c_common_finish): Use seen_error.
21637         * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
21638         * cgraphunit.c (verify_cgraph_node, verify_cgraph,
21639         cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
21640         * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
21641         (get_coverage_counts): Use seen_error.
21642         * dwarf2out.c (dwarf2out_finish): Use seen_error.
21643         * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
21644         gimplify_body): Use seen_error.
21645         * ipa-inline.c (cgraph_early_inlining): Use seen_error.
21646         * ipa-pure-const.c (gate_pure_const): Use seen_error.
21647         * ipa-reference.c (gate_reference): Use seen_error.
21648         * jump.c: Include diagnostic-core.h instead of diagnostic.h.
21649         * lambda-code.c: Include diagnostic-core.h instead of
21650         diagnostic.h.
21651         * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
21652         * lto-compress.c: Include diagnostic-core.h instead of
21653         diagnostic.h.
21654         * lto-section-in.c: Include diagnostic-core.h instead of
21655         diagnostic.h.
21656         * lto-streamer-out.c: Include diagnostic-core.h instead of
21657         diagnostic.h.
21658         * lto-streamer.c: Include diagnostic-core.h instead of
21659         diagnostic.h.
21660         (gate_lto_out): Use seen_error.
21661         * matrix-reorg.c: Include diagnostic-core.h instead of
21662         diagnostic.h.
21663         * omega.c: Include diagnostic-core.h instead of diagnostic.h.
21664         * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
21665         (gate_expand_omp, lower_omp_1): Use seen_error.
21666         * passes.c: Include diagnostic-core.h instead of diagnostic.h.
21667         (rest_of_decl_compilation, rest_of_type_compilation,
21668         gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
21669         * tree-cfg.c (label_to_block_fn): Use seen_error.
21670         * tree-inline.c (optimize_inline_calls): Use seen_error.
21671         * tree-mudflap.c (mudflap_finish_file): Use
21672         seen_error.
21673         * tree-optimize.c (gate_all_optimizations,
21674         gate_all_early_local_passes, gate_all_early_optimizations): Use
21675         seen_error.
21676         * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
21677         * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
21678         (varpool_remove_unreferenced_decls,
21679         varpool_assemble_pending_decls): Use seen_error.
21680         * Makefile.in (DIAGNOSTIC_CORE_H): Define.
21681         (TOPLEV_H, DIAGNOSTIC_H): Update.
21682         (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
21683         lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
21684         c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
21685         builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
21686         coverage.o, lambda-code.o): Update dependencies.
21687
21688 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
21689
21690         PR c++/44188
21691         * c-common.c (is_typedef_decl): Move this definition ...
21692         * tree.c (is_typedef_decl): ... here.
21693         (typdef_variant_p): Move definition here from cp/tree.c.
21694         * c-common.h (is_typedef_decl): Move this declaration ...
21695         * tree.h (is_typedef_decl): ... here.
21696         (typedef_variant_p): Move declaration here from cp/cp-tree.h
21697         * dwarf2out.c (is_naming_typedef_decl): New function.
21698         (gen_tagged_type_die): Split out of ...
21699         (gen_type_die_with_usage): ... this function. When an anonymous
21700         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
21701         is emitted for the typedef.
21702         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
21703         anonymous tagged types.
21704
21705 2010-05-27  Jason Merrill  <jason@redhat.com>
21706
21707         * print-tree.c (debug_vec_tree): New fn.
21708         (print_vec_tree): New fn.
21709         * tree.h: Declare them.
21710         * gdbinit.in (pvt): New command.
21711
21712         * print-tree.c (print_node) [TREE_VEC]: Print elements normally.
21713
21714         * gdbinit.in (pdd): New command.
21715
21716 2010-05-27  Jan Hubicka  <jh@suse.cz>
21717
21718         * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
21719         (update_caller_keys): Return early if there are no callers;
21720         only update fibheap when decresing the key.
21721         (update_callee_keys): Avoid recursion.
21722         (decide_inlining_of_small_functions): When badness does not match;
21723         re-insert into fibheap.
21724
21725 2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>
21726
21727         * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
21728         (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
21729         (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
21730         (ALL_HOST_OBJS): Now a union of the above two.
21731         <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
21732         all files in ALL_HOST_FRONTEND_OBJS.
21733         * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.
21734
21735         * c-common.c: Pretend to be a backend file by undefining
21736         IN_GCC_FRONTEND (still need rtl.h here).
21737
21738 2010-05-27  Jan Hubicka  <jh@suse.cz>
21739
21740         * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
21741         * cgraphunit.c (clone_of_p): Compile only when checking is enabled.
21742
21743 2010-05-27  Jan Hubicka  <jh@suse.cz>
21744
21745         * sched-ebb.c: Rename struct deps to struct deps_desc.
21746         * ddg.c: Likewise.
21747         * sel-sched-ir.c: Likewise.
21748         * sched-deps.c: Likewise.
21749         * sched-int.h: Likewise.
21750         * sched-rgn.c: Likewise.
21751
21752 2010-05-27  Jon Beniston  <jon@beniston.com>
21753
21754         PR 43726
21755         * config/lm32/lm32.h: Remove definition of
21756         GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.
21757
21758 2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>
21759
21760         PR lto/44230
21761         * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.
21762
21763 2010-05-27  Richard Guenther  <rguenther@suse.de>
21764
21765         PR tree-optimization/44284
21766         * tree-vect-stmts.c (vectorizable_assignment): Handle
21767         sign-changing conversions as simple copy.
21768
21769 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
21770
21771         * gthr-posix.h (pthread_cancel): Don't declare if compiling against
21772         Bionic C library.
21773         (__gthread_active_p): Check for pthread_create if compiling against
21774         Bionic C library.
21775
21776 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
21777
21778         Support compilation for Android platform.  Reimplement -mandroid.
21779
21780         * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
21781         (*android*): Set ANDROID_DEFAULT.
21782         (arm*-*-linux*): Include linux-android.h.
21783         (arm*-*-eabi*): Don't include previous -mandroid implementation.
21784         * config/arm/eabi.h: Remove, move Android-specific parts ...
21785         * config/linux-android.h: ... here.  New file.
21786         * config/arm/eabi.opt: Rename to ...
21787         * config/linux-android.opt: ... this.
21788         (mandroid): Allow -mno-android option.  Initialize based on
21789         ANDROID_DEFAULT.
21790         * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
21791         Move logic to corresponding LINUX_TARGET_* macros.
21792         (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
21793         * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
21794         (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
21795         Android definitions.
21796         (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
21797         * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
21798         Document.
21799
21800 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
21801
21802         Add support for Bionic C library
21803
21804         * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
21805         macro.
21806         (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
21807         (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
21808
21809         * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
21810         (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
21811         (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
21812         to support multiple C libraries.  Handle Bionic.
21813         (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
21814         (BIONIC_DYNAMIC_LINKER64): Define.
21815         (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
21816         Update.
21817         (TARGET_HAS_SINCOS): Enable for Bionic.
21818
21819         * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
21820         the last option specified on command line take effect.
21821         (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
21822         (mbionic): New.
21823         (mglibc, muclibc): Update.
21824
21825         * config/alpha/linux-elf.h, config/rs6000/linux64.h,
21826         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
21827         DEFAULT_LIBC.
21828
21829         * doc/invoke.texi (-mglibc, -muclibc): Update.
21830         (-mbionic): Document.
21831
21832 2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
21833
21834         * c-common.h (c_register_addr_space): Add prototype.
21835         (ADDR_SPACE_KEYWORD): Remove.
21836         * c-common.c (c_register_addr_space): New function.
21837         (c_addr_space_name): Reimplement.
21838         (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.
21839
21840         * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
21841         (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.
21842
21843         * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
21844         Remove TARGET_ADDR_SPACE_KEYWORDS.
21845
21846 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
21847
21848         * input.c: New file.
21849         * input.h (main_input_filename): Move declaration to toplev.h.
21850         * toplev.c (input_location, line_table): Move to input.c
21851         * toplev.h (main_input_filename): Move declaration from input.h.
21852         * tree.c (expand_location): Move to input.c.
21853         * Makefile.in (OBJS-common): Add input.o.
21854         (input.o): Add dependencies.
21855
21856 2010-05-27  Richard Guenther  <rguenther@suse.de>
21857
21858         * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
21859         for non-existant files.
21860         (fork_execute): Mark args_name file as deleted.
21861
21862 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
21863
21864         PR bootstrp/44287
21865         * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
21866         (narrow_signed_type): Likewise.
21867
21868 2010-05-26  Jan Hubicka  <jh@suse.cz>
21869
21870         * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
21871         edge only when checking is enabled; check using former_clone_of;
21872         check inline clones too.
21873         (cgraph_materialize_clone): Record former_clone_of pointer.
21874         (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
21875         combining redirections; dump args_to_skip bitmap
21876         (cgraph_materialize_all_clones): Do no redirection here.
21877         * ipa-inline.c (inline_transform): Do redirection here.
21878         * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
21879         cheking only).
21880
21881 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
21882
21883         * config/avr/avr-c.c: Do not include regs.h.
21884         Include cpplib.h for cpp_define and tree.h for c-common.h.
21885         * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
21886         * config/avr/t-avr: Fix dependencies for avr-c.o.
21887
21888 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
21889
21890         * explow.c (set_stack_check_libfunc): Adjust to accept name as a
21891         string instead of SYMBOL_REF rtx.
21892         * rtl.h (set_stack_check_libfunc): Move prototype from here...
21893         * libfuncs.h: ...to here.  Adjust for explow.c change.
21894
21895 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
21896
21897         * pretty-print.c: Don't include ggc.h.
21898         (identifier_to_locale_alloc, identifier_to_locale_free): Define.
21899         (identifier_to_locale): Use them for allocation.
21900         * pretty-print.h (identifier_to_locale_alloc,
21901         identifier_to_locale_free): Declare.
21902         * toplev.c (alloc_for_identifier_to_locale): New.
21903         (general_init): Set identifier_to_locale_alloc and
21904         identifier_to_locale_free.
21905         * Makefile.in (pretty-print.o): Update dependencies.
21906
21907 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
21908
21909         * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
21910         pointer types if they have different alignment or mode.
21911
21912 2010-05-26  Anatoly Sokolov  <aesok@post.ru>
21913
21914         * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
21915         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
21916         * config/sparc/sparc-protos.h (function_value): Remove declaration.
21917         * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
21918         sparc_function_value_regno_p): New functions.
21919         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
21920         TARGET_FUNCTION_VALUE_REGNO_P): Define.
21921         (function_value): Rename to...
21922         (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
21923         argument to 'outgoing'.
21924         (function_arg_record_value, function_arg_union_value,
21925         function_arg_vector_value): Update comment.
21926
21927 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
21928
21929         * dwarf2out.c (struct dw_fde_struct): Reorder flags.
21930         (fde_needed_for_eh_p): New predicate.
21931         (output_call_frame_info): Use it throughout to decide whether FDEs
21932         are needed for EH purpose.
21933         (dwarf2out_begin_prologue): Reorder assignments.
21934
21935 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21936
21937         * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
21938         special case loop->header.
21939         (is_predicated): New.
21940         (if_convertible_loop_p): Call it.
21941
21942 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21943
21944         * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
21945         iterator in parameter.  Do not generate code during the analysis.
21946         (tree_if_convert_cond_stmt): Removed.
21947         (tree_if_convert_stmt): Removed.
21948         (predicate_bbs): New.
21949         (if_convertible_loop_p): Call predicate_bbs.
21950         (tree_if_conversion): Simplify the top-level logic as predicate_bbs
21951         now contains all the analysis part.
21952
21953 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21954
21955         * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
21956         statements in the analysis part.
21957         (tree_if_convert_stmt): Update comment.
21958         (remove_conditions_and_labels): New.
21959         (combine_blocks): Call remove_conditions_and_labels.
21960         (tree_if_conversion): Update comment.
21961
21962 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21963
21964         * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
21965         than 2 predecessors or more than 2 successors.
21966
21967 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21968
21969         * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
21970         of loops in which the data dependence analysis fails.
21971
21972 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21973
21974         * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
21975         CDI_POST_DOMINATORS.
21976         (tree_if_conversion): Same.
21977
21978 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21979
21980         * tree-if-conv.c (tree_if_conversion): Do not return a bool.
21981
21982 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
21983
21984         * tree-if-conv.c: Update copyright years.  Fix comments.
21985         Fix indentation.
21986
21987 2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
21988
21989         * builtin-types.def (BT_INT128): New primitive type.
21990         (BT_UINT128): Likewise.
21991         * c-common.c (c_common_r): Add __int128 keyword.
21992         (c_common_type_for_size): Handle __int128.
21993         (c_common_type_for_mode): Likewise.
21994         (c_common_signed_or_unsigned_type): Likewise.
21995         (c_common_nodes_and_builtins): Add builtin type
21996         if target supports 128-bit integer scalar.
21997         * c-common.h (enum rid): Add RID_INT128.
21998         * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
21999         if target supports 128-bit integer scalar.
22000         * c-decl.c (declspecs_add_type): Handle new keyword __int128.
22001         (finish_declspecs): Likewise.
22002         * c-parser.c (c_token_starts_typename): Handle RID_INT128.
22003         (c_token_starts_declspecs): Likewise.
22004         (c_parser_declspecs): Likewise.
22005         (c_parser_attributes): Likewise.
22006         (c_parser_objc_selector): Likewise.
22007         * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
22008         * c-tree.h (enum c_typespec_keyword): Add cts_int128.
22009         * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
22010         * tree.c (make_or_reuse_type): Likewise.
22011         (make_unsigned_type): Likewise.
22012         (build_common_tree_nodes_2): Likewise.
22013         * tree.h (enum integer_type_kind): Add itk_int128 and
22014         itk_unsigned_int128.
22015         (int128_integer_type_node): New define.
22016         (int128_unsigned_type_node): New define.
22017         * doc/extend.texi: Add documentation about __int128 type.
22018
22019 2010-05-26  Richard Guenther  <rguenther@suse.de>
22020
22021         * tree-ssa-sccvn.c (copy_nary): Adjust.
22022         (copy_phis): Rename to ...
22023         (copy_phi): ... this.  Adjust.
22024         (copy_references): Rename to ...
22025         (copy_reference): ... this.  Adjust.
22026         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
22027         result into the valid table.
22028
22029 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
22030
22031         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
22032         insn-config.h, insn-codes.h, recog.h, and optabs.h.
22033
22034 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
22035
22036         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.
22037
22038 2010-05-26  Richard Guenther  <rguenther@suse.de>
22039
22040         * opts.c (common_handle_option): Handle OPT_Ofast.
22041
22042 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
22043
22044         * diagnostic.c: Don't include opts.h.
22045         (permissive_error_option): Define.
22046         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
22047         for classify_diagnostic.  Don't use memset for
22048         classify_diagnostic.  Initialize new and recently added fields.
22049         (diagnostic_classify_diagnostic): Use context->n_opts instead of
22050         N_OPTS.
22051         (diagnostic_report_diagnostic): Pass context parameter to
22052         diagnostic_report_warnings_p.  Use option_enabled and option_name
22053         hooks from context.
22054         (emit_diagnostic): Use permissive_error_option.
22055         (permerror): Likewise.
22056         * diagnostic.h: Don't include options.h.
22057         (struct diagnostic_context): Add n_opts, opt_permissive,
22058         inhibit_warnings, warn_system_headers, option_enabled and
22059         option_name fields.  Change classify_diagnostic to a pointer.
22060         * opts-diagnostic.h: New file.
22061         * opts.c: Include opts-diagnostic.h.
22062         (common_handle_option): Set global_dc fields for -Wfatal-errors,
22063         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
22064         (option_name): New function.
22065         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
22066         (c_common_handle_option): Set global_dc->permissive for
22067         -fpermissive.
22068         * c-common.c (c_cpp_error): Save and restore
22069         global_dc->warn_system_headers, not variable warn_system_headers.
22070         * toplev.c: Include opts-diagnostic.h.
22071         (general_init): Update call to diagnostic_initialize.  Set
22072         global_dc->show_column, global_dc->option_enabled and
22073         global_dc->option_name.
22074         (process_options): Don't set global_dc fields here.
22075         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
22076         (diagnostic.o, opts.o, toplev.o): Update dependencies.
22077
22078 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
22079
22080         * config/picochip/picochip.md (movsi): Split a movsi from a
22081         const after reload.
22082
22083 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
22084
22085         * ggc-zone.c: Update copyright year.
22086         (poison_region): Mark memory for Valgrind as undefined before
22087         memset () call and inaccessible afterwards.
22088         (ggc_pch_total_size): Change type of i to int.
22089
22090 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
22091
22092         * ggc-common.c (ggc_free_overhead): Allow empty slot.
22093
22094 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
22095
22096         * ggc-common.c: Update copyright year.
22097         (ggc_rlimit_bound): Remove prototype.  Compile only if
22098         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
22099         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
22100         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
22101         (ggc_min_heapsize_heuristic): Likewise.
22102
22103 2010-05-26  Richard Guenther  <rguenther@suse.de>
22104
22105         PR rtl-optimization/44164
22106         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
22107         no-common access-path disambiguation.
22108         (indirect_ref_may_alias_decl_p): Adjust.
22109         (indirect_refs_may_alias_p): Likewise.
22110         (refs_may_alias_p_1): Likewise.
22111
22112 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
22113
22114         * c-typeck.c: Do not include expr.h.
22115
22116 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
22117
22118         * rtl.h (decl_default_tls_model): Move prototype from here...
22119         * output.h: ...to here.
22120         * c-decl.c: Do not include rtl.h.
22121         * c-pragma.c: Likewise.
22122         * c-parser.c: Likewise.
22123         * c-gimplify.c: Likewise.  And also not hard-reg-set.
22124         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
22125         FIXME note for it.  Add a FIXME note for expr.h.
22126         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
22127         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
22128         defined.
22129
22130 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
22131
22132         PR target/44199
22133         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
22134         or total_size is larger than red zone size for non-V4 ABI, emit a
22135         stack_tie resp. frame_tie insn before stack pointer restore.
22136         * config/rs6000/rs6000.md (frame_tie): New insn.
22137
22138 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
22139
22140         * function.h (struct function): Add can_throw_non_call_exceptions bit.
22141         * lto-streamer-in.c (input_function): Stream it in.
22142         * lto-streamer-out.c (output_function): Stream it out.
22143         * function.c (allocate_struct_function): Set it.
22144         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
22145         for flag_non_call_exceptions.
22146         * cfgbuild.c (control_flow_insn_p): Likewise.
22147         (make_edges): Likewise.
22148         * cfgexpand.c (expand_stack_alignment): Likewise.
22149         * combine.c (distribute_notes): Likewise.
22150         * cse.c (cse_extended_basic_block): Likewise.
22151         * except.c (insn_could_throw_p): Likewise.
22152         * gcse.c (simple_mem): Likewise.
22153         * ipa-pure-const.c (check_call): Likewise.
22154         (check_stmt ): Likewise.
22155         * lower-subreg.c (lower-subreg.c): Likewise.
22156         * optabs.c (emit_libcall_block): Likewise.
22157         (prepare_cmp_insn): Likewise.
22158         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
22159         * postreload.c (rest_of_handle_postreload): Likewise.
22160         * reload1.c (reload_as_needed): Likewise.
22161         (emit_input_reload_insns): Likewise.
22162         (emit_output_reload_insns): Likewise.
22163         (fixup_abnormal_edges): Likewise.
22164         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
22165         * store-motion.c (find_moveable_store): Likewise.
22166         * tree-eh.c (stmt_could_throw_p): Likewise.
22167         (tree_could_throw_p): Likewise.
22168         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
22169         * config/arm/arm.c (arm_expand_prologue): Likewise.
22170         (thumb1_expand_prologue): Likewise.
22171         * config/rx/rx.md (cbranchsf4): Likewise.
22172         (cmpsf): Likewise.
22173         * config/s390/s390.c (s390_emit_prologue): Likewise.
22174         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
22175         (inline_forbidden_into_p): New predicate.
22176         (expand_call_inline): Use it to forbid inlining.
22177         (tree_can_inline_p): Likewise.
22178
22179 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
22180
22181         * config/i386/i386-c.c: Do not include rtl.h.
22182         * config/i386/t-i386: Update dependencies.
22183
22184 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
22185
22186         * attribs.c: Do not include rtl.h.
22187         * Makefile.in: Update dependencies.
22188
22189 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
22190
22191         * double-int.h (double_int_and): New.
22192         * combine.c (try_combine): Clean up, use double_int_* and
22193         immed_double_int_const functions.
22194
22195 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22196
22197         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
22198         stderr to /dev/null instead of grep -q.
22199         * configure: Regenerate.
22200
22201 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
22202
22203         * Makefile.in (EXCEPT_H): Fix typo.
22204
22205 2010-05-25  Vladimir Makarov  <vmakarov@redhat.com>
22206
22207         * ira-build.c (update_conflict_hard_reg_costs): New.
22208         (ira_build): Call update_conflict_hard_reg_costs.
22209
22210 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
22211
22212         PR debug/41371
22213         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
22214         ENABLE_CHECKING.
22215         (intersect_loc_chains): Walk the s2var's loc_chain together
22216         with s1node chain as long as the locations are equal, don't
22217         call find_loc_in_1pdv in that case.
22218
22219         PR debug/42801
22220         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
22221         (copy_bind_expr): ... instead of here.
22222         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
22223         if the block hasn't been remapped.
22224         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
22225         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
22226
22227 2010-05-25  Richard Guenther  <rguenther@suse.de>
22228
22229         PR middle-end/44069
22230         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
22231         out-of-bounds array accesses.
22232
22233 2010-05-25  Richard Guenther  <rguenther@suse.de>
22234
22235         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
22236         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
22237         (run_gcc): Re-organize to make cleanup easier.
22238
22239 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22240
22241         * config/s390/s390.c (optimization_options): Fix and move the
22242         flag_prefetch_loop_arrays override ...
22243         (override_options): ... here.
22244
22245 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
22246
22247         * diagnostic.c: Don't include plugin.h.
22248         (diagnostic_report_diagnostic): Don't handle plugins specially
22249         here.  Pass context to internal_error callback.
22250         * diagnostic.h (struct diagnostic_context): Add context parameter
22251         to internal_error callback.
22252         * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
22253         * plugin.h (struct diagnostic_context): Declare.
22254         (warn_if_plugins, plugins_internal_error_function): Declare.
22255         * toplev.c (general_init): Set global_dc->internal_error.
22256         * Makefile.in (diagnostic.o): Update dependencies.
22257
22258 2010-05-25  Iain Sandoe  <iains@gcc.gnu.org>
22259
22260         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
22261         * config/rs6000/t-darwin64: New.
22262         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
22263         build crt2.
22264
22265 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
22266
22267         PR 44203
22268         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
22269         match the original (and intended) behaviour before r159557.  This
22270         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
22271         in two ways.
22272
22273 2010-05-25  Richard Guenther  <rguenther@suse.de>
22274
22275         * doc/invoke.texi: Document -Ofast.
22276         * target.h (struct gcc_target): Add handle_ofast.
22277         * target-def.h (TARGET_HANDLE_OFAST): Add.
22278         (TARGET_INITIALIZER): Adjust.
22279         * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
22280         * common.opt (Ofast): Add.
22281
22282 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
22283
22284         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
22285         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
22286
22287 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
22288
22289         PR target/43610
22290         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
22291         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
22292         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
22293         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
22294
22295 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
22296
22297         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
22298         DW_OP_minus with negated offset instead of DW_OP_plus.
22299         (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.
22300
22301 2010-05-25  Wei Guozhi  <carrot@google.com>
22302
22303         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
22304         tst instruction and a new alternative.
22305         * config/arm/constraints.md (Pu): New constraint.
22306
22307 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
22308
22309         * function.c (assign_stack_local_1): Initialize variable
22310         to avoid warning when bootstrapping at -O3.
22311
22312 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
22313
22314         * configure.ac (all_lang_makefiles): Remove everything related to it.
22315         * configure: Regenerate.
22316         * Makefile.in: Fix reference to ada Make-lang.in.
22317         Remove support for LANG_MAKEFILES.
22318
22319 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
22320             Sandra Loosemore  <sandra@codesourcery.com>
22321
22322         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
22323         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
22324         description.  Add arm_neon_fp16_ok.
22325         (Add Options): Add arm_neon and arm_neon_fp16.
22326
22327 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
22328
22329         * diagnostic.c: Don't include flags.h.
22330         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
22331         context parameters.  Check flags in the context passed as a parameter.
22332         (diagnostic_build_prefix): Add context parameter.  Check
22333         show_column flag in context.
22334         (diagnostic_action_after_output): Check fatal_errors flag in context.
22335         (diagnostic_report_current_module): Check show_column flag in context.
22336         (default_diagnostic_starter): Update call to
22337         diagnostic_build_prefix.
22338         (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
22339         (emit_diagnostic): Pass context to permissive_error_kind.
22340         (permerror): Pass context to permissive_error_kind.
22341         * diagnostic.h (struct diagnostic_context): Add show_column,
22342         pedantic_errors, permissive and fatal_errors fields.
22343         (diagnostic_build_prefix): Update prototype.
22344         * langhooks.c
22345         * toplev.c (process_options): Set flags in global_dc from
22346         flag_show_column, flag_pedantic_errors, flag_permissive,
22347         flag_fatal_errors.
22348         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
22349         to diagnostic_build_prefix.
22350         * Makefile.in (diagnostic.o): Update dependencies.
22351
22352 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
22353
22354         * config/i386/ia32intrin.h (__crc32q): Define only if
22355         __SSE4_2__ is defined.
22356
22357 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
22358
22359         PR target/44132
22360         PR middle-end/43602
22361         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
22362         DECL_VISIBILITY_SPECIFIED.
22363         (emutls_decl): Set DECL_PRESERVE_P and copy
22364         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
22365         (emutls_finalize_control_var): New callback.
22366         (emutls_finish): Finalize emutls control variables.
22367         * toplev.c (compile_file): Move the call to emutls_finish ()
22368         before varpool_assemble_pending_decls ().
22369
22370 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
22371
22372         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
22373         added to the preprocessor condition.
22374
22375 2010-05-24  Paul Brook  <paul@codesourcery.com>
22376
22377         * gengtype-lex.l: Add HARD_REG_SET.
22378         * expr.c (expand_expr_real_1): Record writes to hard registers.
22379         * function.c (rtl_data): Add asm_clobbers.
22380         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
22381         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
22382         Use crtl->asm_clobbers.
22383
22384 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22385
22386         * doc/makefile.texi (Makefile): Mention stages 'profile'
22387         and 'feedback' for profiledbootstrap.
22388
22389 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
22390
22391         PR target/44245
22392         * config/i386/i386.c (def_builtin): Properly check
22393         OPTION_MASK_ISA_64BIT.
22394
22395 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
22396
22397         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
22398         typedefs with different but compatible types.  Allow duplicate
22399         typedefs with the same type except for pedantic non-C1X, but give
22400         warning for variably modified types.
22401         * c-typeck.c (tagged_types_tu_compatible_p,
22402         function_types_compatible_p, type_lists_compatible_p,
22403         comptypes_internal): Add parameter different_types_p; set
22404         *different_types_p for different but compatible types.  All
22405         callers changed.
22406         (comptypes_check_different_types): New.
22407         * c-tree.h (comptypes_check_different_types): Declare.
22408
22409 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
22410
22411         * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
22412         * jump.c: Include basic-block.h.
22413         * profile.c: Likewise.
22414         * tree-profile.c: Likewise.
22415         * coverage.c: Likewise.
22416         * basic-block.h (optimize_function_for_size_p): Move to function.h.
22417         (optimize_function_for_speed_p): Likewise.
22418         * function.h (optimize_function_for_size_p,
22419         optimize_function_for_speed_p): Moved here from basic-block.h.
22420         * Makefile.in: Update dependencies.
22421
22422 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22423
22424         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
22425         before calling make; allow override through $MAKE.
22426         * doc/invoke.texi (Optimize Options): Document override.
22427
22428 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
22429
22430         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
22431         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
22432         (rs6000_mode_dependent_address_ptr): Make static.
22433         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
22434         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
22435         Remove.
22436
22437 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
22438
22439         PR target/43869
22440         * config/i386/i386.c: Make sure that the correct regparm is passed.
22441
22442 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
22443
22444         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
22445         * sbitmap.c: ...to here to internalize sbitmap element access.
22446         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
22447         Explain why basic-block.h is included.
22448         * function.h: Include tm.h for CUMULATIVE_ARGS.
22449         * Makefile.in: Update dependencies.
22450
22451 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
22452
22453         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
22454         New core types.
22455         * sbitmap.h (struct sbitmap_def): Do not typedef here.
22456         * sbitmap.c: Include sbitmap.h.
22457         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
22458         hard-reg-set.h.  Split everything related to regsets out from here...
22459         * regset.h: ...to here.  New file.
22460         * df.h: Include regset.h and sbitmap.h.
22461         * tree-flow.h: Likewise.
22462         * cfgloop.h: Likewise.
22463         * except.h: Do not include sbitmap.h.  Include hashtab.h.
22464         * cgraph.h: Include vec.h and function.h.
22465         * reload.h (struct insn_chain): Change types of live_throughout
22466         and dead_or_set from regset_head to bitmap_head.
22467         (compute_use_by_pseudos): Be defined also if regset.h is not included.
22468         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
22469         spilled_regs from regset_head to bitmap_head to avoid dependency
22470         in regset.h.
22471         * sel-sched-ir.h: Include regset.h.
22472         * reload.c: Include df.h before reload.h.
22473         * caller-save.c: Likewise.
22474         * reload1.c: Likewise.
22475         * ira.c: Likewise.
22476         (mark_elimination): Update type of r to bitmap, consistent with
22477         DF_LR_IN.
22478         * dominance.c: Include bitmap.h.
22479         * modulo-sched.c: Include df.h.
22480         * cfganal.c: Include bitmap.h and sbitmap.h.
22481         * cfgbuild.c: Include sbitmap.h.
22482         * lcm.c: Include sbitmap.h.
22483         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
22484         * domwalk.c: Include sbitmap.h, exclude ggc.h.
22485         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
22486         * cselib.c: Include bitmap.h.
22487         * tree-optimize.c: Include regset.h.
22488         * stmt.c: Include bitmap.h.
22489         * Makefile.in: Update dependencies.
22490
22491 2010-05-22  Jan Hubicka  <jh@suse.cz>
22492
22493         * cgraph.h (struct varpool_node): Add same_comdat_group.
22494         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
22495         pointer.
22496         (output_varpool): Update call of lto_output_varpool_node.
22497         (input_varpool): Read same_comdat_group pointer.
22498         (input_varpool_1): Fixup same_comdat_group pointer.
22499         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
22500         group is needed, all are.
22501         * varpool.c (varpool_remove_node): Remove node from same comdat group
22502         linklist too.
22503         (varpool_analyze_pending_decls): Walk same comdat groups.
22504
22505 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
22506
22507         * rtl.h (union rtunion_def): Remove rt_bit member.
22508         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
22509         * print-rtl (print_rtx): Do not print the member.
22510         * gengtype.c (adjust_field_rtx_def): Do not handle it.
22511         * gengenrtl.c (type_from_format): Likewise.
22512         (accessor_from_format): Likewise.
22513
22514 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
22515
22516         * dbgcnt.c: Include toplev.h instead of errors.h.
22517         * ira-emit.c: Don't include errors.h.
22518         * ira.c: Include toplev.h instead of errors.h.
22519         * lto-compress.c: Include toplev.h instead of errors.h.
22520         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
22521         ira.o, dbgcnt.o): Update dependencies.
22522
22523 2010-05-22  Richard Guenther  <rguenther@suse.de>
22524
22525         * gimple.c (gimple_types_compatible_p): Check type qualifications
22526         before merging pointer to complete and pointer to incomplete type.
22527         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
22528         we use our own resolution algorithm.  The gold linker plugin
22529         doesn't do the job we want it to do here.
22530
22531 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
22532
22533         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
22534         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
22535         (sparc_mode_dependent_address_p): New function.
22536
22537 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
22538
22539         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
22540
22541         * timevar.c: Do not include any core headers.
22542         (timevar_print): De-i18n-ize.
22543         (print_time): Likewise.
22544         * timevar.h (timevar_push, timevar_pop): Make inline functions.
22545
22546 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
22547
22548         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
22549         langhooks-def.h.
22550         (diagnostic_initialize): Initialize x_data not last_function.
22551         (diagnostic_report_current_function): Move to tree-diagnostic.c.
22552         (default_diagnostic_starter): Call
22553         diagnostic_report_current_module not
22554         diagnostic_report_current_function.
22555         (diagnostic_report_diagnostic): Initialize x_data not
22556         abstract_origin.
22557         (verbatim): Likewise.
22558         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
22559         x_data.
22560         (struct diagnostic_context): Change last_function to x_data.
22561         (diagnostic_auxiliary_data): Replace with
22562         diagnostic_context_auxiliary_data and
22563         diagnostic_info_auxiliary_data.
22564         (diagnostic_last_function_changed, diagnostic_set_last_function,
22565         diagnostic_report_current_function): Move to tree-diagnostic.h.
22566         (print_declaration, dump_generic_node, print_generic_stmt,
22567         print_generic_stmt_indented, print_generic_expr,
22568         print_generic_decl, debug_c_tree, dump_omp_clauses,
22569         print_call_name, debug_generic_expr, debug_generic_stmt,
22570         debug_tree_chain, default_tree_printer): Move to
22571         tree-pretty-print.h.
22572         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
22573         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
22574         gimple-pretty-print.h.
22575         * pretty-print.c: Don't include tree.h
22576         (pp_base_format): Don't handle %K here.
22577         (pp_base_tree_identifier): Move to tree-pretty-print.c.
22578         * pretty-print.h (text_info): Change abstract_origin to x_data.
22579         (pp_tree_identifier, pp_unsupported_tree,
22580         pp_base_tree_identifier): Move to tree-pretty-print.h.
22581         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
22582         tree-pretty-print.h: New files.
22583         * tree-pretty-print.c: Include tree-pretty-print.h.
22584         (percent_K_format): New.  Moved from pretty-print.c.
22585         (pp_base_tree_identifier): Move from pretty-print.c.
22586         * c-objc-common.c: Include tree-pretty-print.h.
22587         (c_tree_printer): Handle %K here.
22588         * langhooks.c: Include tree-diagnostic.h.
22589         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
22590         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
22591         (default_tree_printer): Handle %K using percent_K_format.
22592         (general_init): Use default_tree_diagnostic_starter.
22593         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
22594         (free_lang_data): Use default_tree_diagnostic_starter.
22595         * c-pretty-print.c: Include tree-pretty-print.h.
22596         * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
22597         * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
22598         * dwarf2out.c: Include tree-pretty-print.h.
22599         * except.c: Include tree-pretty-print.h.
22600         * gimple-pretty-print.c: Include tree-pretty-print.h and
22601         gimple-pretty-print.h.
22602         * gimplify.c: Include tree-pretty-print.h.
22603         * graphite-poly.c: Include tree-pretty-print.h and
22604         gimple-pretty-print.h.
22605         * ipa-cp.c: Include tree-pretty-print.h.
22606         * ipa-inline.c: Include gimple-pretty-print.h.
22607         * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
22608         * ipa-pure-const.c: Include gimple-pretty-print.h.
22609         * ipa-struct-reorg.c: Include tree-pretty-print.h and
22610         gimple-pretty-print.h.
22611         * ipa-type-escape.c: Include tree-pretty-print.h.
22612         * print-rtl.c: Include tree-pretty-print.h.
22613         * print-tree.c: Include gimple-pretty-print.h.
22614         * sese.c: Include tree-pretty-print.h.
22615         * tree-affine.c: Include tree-pretty-print.h.
22616         * tree-browser.c: Include tree-pretty-print.h.
22617         * tree-call-cdce.c: Include gimple-pretty-print.h.
22618         * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
22619         * tree-chrec.c: Include tree-pretty-print.h.
22620         * tree-data-ref.c: Include tree-pretty-print.h and
22621         gimple-pretty-print.h.
22622         * tree-dfa.c: Include tree-pretty-print.h.
22623         * tree-if-conv.c: Include tree-pretty-print.h and
22624         gimple-pretty-print.h.
22625         * tree-inline.c: Include tree-pretty-print.h.
22626         * tree-into-ssa.c: Include tree-pretty-print.h and
22627         gimple-pretty-print.h.
22628         * tree-nrv.c: Include tree-pretty-print.h.
22629         * tree-object-size.c: Include tree-pretty-print.h and
22630         gimple-pretty-print.h.
22631         * tree-outof-ssa.c: Include tree-pretty-print.h and
22632         gimple-pretty-print.h.
22633         * tree-parloops.c: Include tree-pretty-print.h and
22634         gimple-pretty-print.h.
22635         * tree-predcom.c: Include tree-pretty-print.h and
22636         gimple-pretty-print.h.
22637         * tree-scalar-evolution.c: Include tree-pretty-print.h and
22638         gimple-pretty-print.h.
22639         * tree-sra.c: Include tree-pretty-print.h.
22640         * tree-ssa-address.c: Include tree-pretty-print.h.
22641         * tree-ssa-alias.c: Include tree-pretty-print.h.
22642         * tree-ssa-ccp.c: Include tree-pretty-print.h and
22643         gimple-pretty-print.h.
22644         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
22645         * tree-ssa-copy.c: Include tree-pretty-print.h and
22646         gimple-pretty-print.h.
22647         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
22648         * tree-ssa-dce.c: Include tree-pretty-print.h and
22649         gimple-pretty-print.h.
22650         * tree-ssa-dom.c: Include tree-pretty-print.h and
22651         gimple-pretty-print.h.
22652         * tree-ssa-dse.c: Include gimple-pretty-print.h.
22653         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
22654         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
22655         * tree-ssa-live.c: Include tree-pretty-print.h and
22656         gimple-pretty-print.h.
22657         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
22658         gimple-pretty-print.h.
22659         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
22660         gimple-pretty-print.h.
22661         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
22662         gimple-pretty-print.h.
22663         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
22664         gimple-pretty-print.h.
22665         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
22666         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
22667         * tree-ssa-operands.c: Include tree-pretty-print.h and
22668         gimple-pretty-print.h.
22669         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
22670         gimple-pretty-print.h.
22671         * tree-ssa-pre.c: Include tree-pretty-print.h and
22672         gimple-pretty-print.h.
22673         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
22674         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
22675         gimple-pretty-print.h.
22676         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
22677         gimple-pretty-print.h.
22678         * tree-ssa-sink.c: Include gimple-pretty-print.h.
22679         * tree-ssa-ter.c: Include tree-pretty-print.h and
22680         gimple-pretty-print.h.
22681         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
22682         * tree-ssa.c: Include tree-pretty-print.h and
22683         gimple-pretty-print.h.
22684         * tree-stdarg.c: Include gimple-pretty-print.h.
22685         * tree-switch-conversion.c: Include gimple-pretty-print.h.
22686         * tree-tailcall.c: Include tree-pretty-print.h and
22687         gimple-pretty-print.h.
22688         * tree-vect-data-refs.c: Include tree-pretty-print.h and
22689         gimple-pretty-print.h.
22690         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
22691         gimple-pretty-print.h.
22692         * tree-vect-loop.c: Include tree-pretty-print.h and
22693         gimple-pretty-print.h.
22694         * tree-vect-patterns.c: Include gimple-pretty-print.h.
22695         * tree-vect-slp.c: Include tree-pretty-print.h and
22696         gimple-pretty-print.h.
22697         * tree-vect-stmts.c: Include tree-pretty-print.h and
22698         gimple-pretty-print.h.
22699         * tree-vectorizer.c: Include tree-pretty-print.h.
22700         * tree-vrp.c: Include tree-pretty-print.h and
22701         gimple-pretty-print.h.
22702         * value-prof.c: Include tree-pretty-print.h and
22703         gimple-pretty-print.h.
22704         * var-tracking.c: Include tree-pretty-print.h.
22705         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
22706         (tree-diagnostic.o): New dependencies.
22707         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
22708         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
22709         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
22710         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
22711         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
22712         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
22713         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
22714         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
22715         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
22716         tree-ssa-address.o, tree-ssa-loop-niter.o,
22717         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
22718         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
22719         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
22720         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
22721         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
22722         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
22723         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
22724         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
22725         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
22726         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
22727         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
22728         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
22729         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
22730         tree-switch-conversion.o, var-tracking.o, value-prof.o,
22731         cfgexpand.o, pretty-print.o): Update dependencies.
22732
22733 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
22734
22735         * tree-ssa-structalias.c: Remove tm_p.h from include.
22736
22737 2010-05-21  Jeff Law  <law@redhat.com>
22738
22739         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
22740
22741 2010-05-21  Jason Merrill  <jason@redhat.com>
22742
22743         * tree-eh.c (cleanup_is_dead_in): New.
22744         (lower_try_finally): Don't generate a dead cleanup region.
22745         (lower_cleanup): Likewise.
22746
22747 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
22748
22749         PR debug/44223
22750         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
22751         unchain each use from the cyclic next_regno_use chain first.
22752
22753 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
22754
22755         * real: Do not include gmp.h, mpfr.h, and mpc.h.
22756         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
22757         (real_value_negate, real_value_abs): New prototypes.
22758         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
22759         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
22760         new include file for interface between MPFR and REAL_VALUE_TYPE.
22761         * real.c: Include realmpfr.h.
22762         (real_arithmetic2): Remove legacy function.
22763         (real_value_negate): New.
22764         (real_value_abs): New.
22765         (mfpr_from_real, real_from_mpfr): Move from here...
22766         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
22767         * builtins.c: Include realmpfr.h.
22768         * fold-const.c: Include realmpfr.h.
22769         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
22770         (fold_negate_const): Likewise.
22771         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
22772         * toplev.c: Include realmpfr.h.
22773         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
22774         and real_value_negate.
22775         * fixed-value.c (check_real_for_fixed_mode): Likewise.
22776         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
22777         (vfp3_const_double_index): Likewise.
22778         (arm_print_operand): Likewise.
22779         * Makefile.in: Update dependencies.
22780
22781 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22782
22783         * config/s390/s390.c (override_options): Increase the default
22784         of max-completely-peel-times.
22785
22786 2010-05-21  Julian Brown  <julian@codesourcery.com>
22787             Mark Mitchell  <mark@codesourcery.com>
22788
22789         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
22790         sibling calls for Thumb-1.
22791         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
22792         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
22793         Thumb-2.
22794         (*call_insn, *call_value_insn): Don't use for Thumb-2.
22795         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
22796         for Thumb-2.
22797         (return): New expander.
22798         (*arm_return): New name for ARM return insn.
22799         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
22800
22801 2010-05-19  Joel Sherrill  <joel.sherrill@oarcorp.com>
22802
22803         * config.gcc (sparc64-*-rtems*): New target.
22804
22805 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
22806
22807         * tree.c (build_function_decl_skip_args): Fix grammar.
22808         (build_function_type_list_1): Fix typos, adjust formatting.
22809
22810 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
22811
22812         * tree.h: Include real.h and fixed-value.h as basic datatypes.
22813         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
22814         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
22815         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
22816         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
22817         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
22818         tree-pretty-print.c, tree-loop-distribution.c,
22819         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
22820         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
22821         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
22822         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
22823         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
22824         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
22825         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
22826         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
22827         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
22828         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
22829         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
22830         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
22831         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
22832         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
22833         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
22834         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
22835         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
22836         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
22837         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
22838         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
22839         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
22840         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
22841         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
22842         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
22843         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
22844         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
22845         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
22846         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
22847         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
22848         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
22849         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
22850         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
22851         config/score/score7.c, config/score/score.c, config/arm/arm.c,
22852         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
22853         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
22854         config/bfin/bfin.c: Clean up redundant includes.
22855         * Makefile.in: Update accordingly.
22856
22857 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
22858
22859         PR middle-end/44204
22860         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
22861         statement has no arguments.
22862
22863 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
22864
22865         PR/44139
22866         * varasm.c (emutls_decl): Merge attributes to new decl.
22867
22868 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
22869
22870         PR middle-end/44101
22871         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
22872         around the uniquized constructor if its type requires a conversion.
22873
22874 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
22875
22876         PR debug/44205
22877         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
22878         at -O0 goto_locus of any of the incoming edges differs from
22879         goto_locus of outgoing edge, or gimple_location of any of the
22880         labels differs.
22881
22882 2009-09-14  Vladimir Makarov  <vmakarov@redhat.com>
22883
22884         * ira.c (ira_non_ordered_class_hard_regs): Define.
22885         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
22886         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
22887         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
22888         cost of unaligned hard regs when allocating multi-reg pseudos.
22889
22890 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
22891
22892         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
22893         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
22894         for TARGET_NO_FLOAT.
22895         * config/mips/mips.c (mips_file_start): Expand conditional expression
22896         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
22897         (mips_override_options): Move -mno-float override -msoft-float and
22898         -mhard-float.
22899         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
22900         Condition(TARGET_SUPPORTS_NO_FLOAT).
22901         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
22902         __mips_no_float here.
22903         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
22904         (TARGET_SUPPORTS_NO_FLOAT): Define.
22905         * config/mips/sdemtk.opt: Delete.
22906
22907 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
22908
22909         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.
22910
22911 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
22912
22913         PR target/43733
22914         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
22915         * configure: Regenerate.
22916         * config.in: Regenerate.
22917         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
22918         instead of sahf only for 64bit targets.
22919
22920 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
22921
22922         PR debug/44178
22923         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
22924         setup_ref_regs for DEBUG_INSNs.
22925
22926 2010-05-20  Jan Hubicka  <jh@suse.cz>
22927
22928         PR middle-end/44197
22929         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
22930
22931 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
22932
22933         PR bootstrap/43870
22934         * df-scan.c (df_ref_compare): Stabilize sort.
22935
22936 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
22937
22938         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
22939         argument.  Don't use DW_OP_piece if offset is non-zero,
22940         put offset into second DW_OP_bit_piece argument.
22941         (dw_sra_loc_expr): Adjust callers.  For memory expressions
22942         compute offset.
22943
22944 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
22945
22946         PR target/44202
22947         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
22948         settings for 16-bit-constant "addo" alternative.
22949
22950 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
22951
22952         * config/mips/mips-dsp.md (add<DSPV:mode>3,
22953         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
22954
22955         PR target/43764
22956         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
22957         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
22958         Use it.
22959
22960 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
22961
22962         * diagnostic.c (FLOAT, FFS): Don't undefine.
22963         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
22964         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
22965         include ordering.
22966
22967 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
22968
22969         * combine.c (propagate_for_debug): Call make_compound_operation
22970         on the source value.
22971         (try_combine): When implementing a split chosen by find_split_point,
22972         either copy i2src or set it to null.  Assert that i2src is not null
22973         before substituting into CALL_INSN_FUNCTION_USAGE.
22974
22975 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
22976
22977         * double-int.h (double_int_ior): New function.
22978         * tree.h (build_int_cst_wide_type): Remove.
22979         * tree.c (build_int_cst_wide_type): Remove.
22980         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
22981         of build_int_cst_wide_type.
22982         * stor-layout.c (set_sizetype): (Ditto.).
22983         * dojump.c (do_jump): Use build_int_cstu instead of
22984         build_int_cst_wide_type.
22985
22986 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
22987
22988         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
22989         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
22990         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
22991         * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
22992         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
22993         propagate the 'data' argument to copy_tree_r.
22994         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
22995         Propagate 'data' argument to walk_tree.
22996         (copy_if_shared): New function.
22997         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
22998         (unmark_visited): New function.
22999         (unshare_body): Call copy_if_shared instead of doing it manually.
23000         (unvisit_body): Call unmark_visited instead of doing it manually.
23001
23002 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
23003
23004         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
23005         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
23006         * hooks.c: Likewise.
23007         * target-def.h (TARGET_FOLD_BUILTIN): Define to
23008         hook_tree_tree_int_treep_bool_null.
23009         * target.h (struct gcc_target): Update signature of fold_builtin
23010         field.
23011         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
23012         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
23013         instead of the call expression.
23014         (fold_builtin_call_array): Pass n and argarray directly.
23015         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
23016         consing a list.
23017         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
23018         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
23019         `i' and use it in place of `arity'.
23020         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
23021         Dereference `args' directly.
23022         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
23023
23024 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23025
23026         * doc/sourcebuild.texi (Effective-Target Keywords): Document
23027         3dnow, sse3, sse2.
23028         (Directives): Document optional dg-require-effective-target
23029         selector.
23030
23031 2010-05-19  Richard Guenther  <rguenther@suse.de>
23032
23033         PR lto/44196
23034         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
23035
23036 2010-05-19  Richard Guenther  <rguenther@suse.de>
23037
23038         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
23039         * common.opt (fwhopr=): New.
23040         * opts.c (common_handle_option): Handle OPT_fwhopr.
23041         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
23042         * collect2.c (main): Match -fwhopr*.
23043         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
23044         Execute ltrans stage in parallel when jobs is bigger than 1.
23045
23046 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23047
23048         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
23049         pentiumpro on Solaris 8/x86 with Sun as.
23050         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
23051         hidden alias bug.
23052         (gcc_cv_as_ix86_quad): Check for .quad directive.
23053         * configure: Regenerate.
23054         * config.in: Regenerate.
23055         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
23056
23057 2010-05-19  Martin Jambor  <mjambor@suse.cz>
23058
23059         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
23060         also for indirect edges.  Actual printing moved...
23061         (ipa_print_node_jump_functions_for_edge): ...here.
23062         (ipa_compute_jump_functions): Renamed to
23063         ipa_compute_jump_functions_for_edge and made static.
23064         (ipa_compute_jump_functions): New function.
23065         (make_edge_direct_to_target): Check if the number of arguments on
23066         the newly direct edge is the same as the number of parametrs of
23067         the callee.
23068         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
23069         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
23070         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
23071         analysis functions unconditionally, call the new
23072         ipa_analyze_params_uses on the node instead of every edge.
23073
23074 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
23075
23076         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
23077         to tree.
23078         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
23079         also checks for a constant int vs.  non-constant but
23080         loop-invariant steps.
23081         (find_or_create_group): Change the sort algorithm to only consider
23082         steps that are constant ints.
23083         (idx_analyze_ref): Adopt code to handle a tree instead of a
23084         HOST_WIDE_INT for step.
23085         (gather_memory_references_ref): Handle tree instead of int and be
23086         prepared to see a NULL_TREE.
23087         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
23088         prefetches if the step cannot be calculated at compile time.
23089         (issue_prefetch_ref): Issue prefetches for non-constant but
23090         loop-invariant steps.
23091
23092 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
23093
23094         Revert:
23095         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
23096
23097         * tree.h (build_call_list): Remove.
23098         * tree.c (build_call_list): Remove.
23099
23100 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
23101
23102         * tree.h (build_call_list): Remove.
23103         * tree.c (build_call_list): Remove.
23104
23105 2010-05-18  Jan Hubicka  <jh@suse.cz>
23106
23107         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
23108
23109 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
23110
23111         PR rtl-optimization/43332
23112         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
23113
23114 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
23115
23116         * tree.h (build_int_cstu): Implement as static inline.
23117         * tree.c (build_int_cstu): Remove function.
23118         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
23119         sign extended.
23120
23121 2010-05-18  Richard Guenther  <rguenther@suse.de>
23122
23123         PR lto/44143
23124         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
23125         (debug): Initialize from -save-temps.
23126         (collect_execute): Print command-line when verbose.
23127         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
23128         for ltrans invocation.  Produce -dumpbase flag again.
23129         (process_args): Remove.
23130         (main): Simplify.
23131         * collect2.c (maybe_run_lto_and_relink): Only pass object
23132         files to lto-wrapper.
23133         * gcc.c (LINK_COMMAND_SPEC): Likewise.
23134
23135 2010-05-18  Jan Hubicka  <jh@suse.cz>
23136
23137         * opts.c (decode_options): Do not disable whopr at ipa_cp.
23138         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
23139
23140 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
23141
23142         PR lto/44184
23143         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
23144         in a GIMPLE_ASM.
23145         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
23146         in a GIMPLE_ASM.
23147
23148 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
23149
23150         PR debug/41371
23151         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
23152         rtx_equal_p inline.
23153
23154 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
23155
23156         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
23157         lto-macho as lto_binary_reader.
23158
23159         * darwin.c (darwin_asm_named_section): Do not add assembler comment
23160         after .section directive; just print it before the directive instead.
23161
23162 2010-05-17  Jan Hubicka  <jh@suse.cz>
23163
23164         * cgraph.c (cgraph_create_virtual_clone): Only check
23165         versionable_function_p when not in wpa and checking is enabled.
23166         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
23167         there are no more functions to materialize.
23168
23169 2010-05-17  Jan Hubicka  <jh@suse.cz>
23170
23171         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
23172         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
23173         New functions.
23174         (output_cgraph): Call output_cgraph_opt_summary.
23175         (input_cgrpah): Call input_cgraph_opt_summary.
23176         (output_cgraph_opt_summary_p, output_node_opt_summary,
23177         input_node_opt_summary, input_cgraph_opt_section): New functions.
23178         * lto-section-in.c (lto_section_name): Add cgraphopt.
23179         * tree-inline.c (tree_function_versioning): Handle parm_num.
23180         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
23181         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
23182
23183 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
23184
23185         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
23186         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
23187         the insn to prefetch ratio heuristic to loops with known trip count.
23188
23189 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
23190
23191         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
23192         (schedule_prefetches): Do not generate a prefetch if the unroll factor
23193         is far from what is required by the prefetch.
23194
23195 2010-05-17  Jan Hubicka  <jh@suse.cz>
23196
23197         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
23198         (ipcp_estimate_growth): Likewise.
23199         (ipcp_const_param_count): Likewise.
23200         (ipcp_insert_stage): Likewise.
23201         * ipa-prop.c (visit_load_for_mod_analysis): New function.
23202         (visit_store_addr_for_mod_analysis): Set used flag.
23203         (ipa_detect_param_modifications): Set used flag for SSE params;
23204         update use of walk_stmt_load_store_addr_ops.
23205         (ipa_print_node_params): Print used flag.
23206         (ipa_write_node_info): Stream used flag.
23207         (ipa_read_node_info): Likewise.
23208         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
23209         (ipa_is_param_used): New function.
23210         (lto_ipa_fixup_call_notes): Remove unused declaration.
23211
23212 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23213
23214         PR target/44074
23215         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
23216         * configure: Regenerate.
23217         * config.in: Regenerate.
23218         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
23219         !HAVE_AS_IX86_REP_LOCK_PREFIX.
23220         Don't emit whitespace.
23221         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
23222         (*rep_movsi): Likewise.
23223         (*rep_movsi_rex64): Likewise.
23224         (*rep_movqi): Likewise.
23225         (*rep_movqi_rex64): Likewise.
23226         (*rep_stosdi_rex64): Likewise.
23227         (*rep_stossi): Likewise.
23228         (*rep_stossi_rex64): Likewise.
23229         (*rep_stosqi): Likewise.
23230         (*rep_stosqi_rex64): Likewise.
23231         (*cmpstrnqi_nz_1): Use {%;} after repz.
23232         (*cmpstrnqi_nz_rex_1): Likewise.
23233         (*cmpstrnqi_1): Likewise.
23234         (*cmpstrnqi_rex_1): Likewise.
23235         (*strlenqi_1): Use {%;} after repnz.
23236         (*strlenqi_rex_1): Likewise.
23237         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
23238         (*sync_compare_and_swap<mode>): Likewise.
23239         (sync_double_compare_and_swap<mode>): Likewise.
23240         (*sync_double_compare_and_swapdi_pic): Likewise.
23241         (sync_old_add<mode>): Likewise.
23242         (sync_add<mode>): Likewise.
23243         (sync_sub<mode>): Likewise.
23244         (sync_<code><mode>): Likewise.
23245
23246 2010-05-17  Martin Jambor  <mjambor@suse.cz>
23247
23248         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
23249         otr_token and polymorphic.
23250         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
23251         (cgraph_clone_edge): Copy the above fields.
23252         * tree.c (get_binfo_at_offset): New function.
23253         * tree.h (get_binfo_at_offset): Declare.
23254         * ipa-prop.h (enum jump_func_type): Added known_type jump function
23255         type, reordered items, updated comments.
23256         (union jump_func_value): Added base_type field, reordered fields.
23257         (enum ipa_lattice_type): Moved down in the file.
23258         (struct ipa_param_descriptor): New field polymorphic.
23259         (ipa_is_param_polymorphic): New function.
23260         * ipa-prop.c: Include gimple.h and gimple-fold.h.
23261         (ipa_print_node_jump_functions): Print known type jump functions.
23262         (compute_complex_pass_through): Renamed to...
23263         (compute_complex_assign_jump_func): this.
23264         (compute_complex_ancestor_jump_func): New function.
23265         (compute_known_type_jump_func): Likewise.
23266         (compute_scalar_jump_functions): Create known type and complex ancestor
23267         jump functions.
23268         (ipa_note_param_call): New parameter polymorphic, set the corresponding
23269         flag in the call note accordingly.
23270         (ipa_analyze_call_uses): Renamed to...
23271         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
23272         variable var only in the block where it is used.
23273         (ipa_analyze_virtual_call_uses): New function.
23274         (ipa_analyze_call_uses): Likewise.
23275         (combine_known_type_and_ancestor_jfs): Likewise.
23276         (update_jump_functions_after_inlining): Implemented handling of a
23277         number of new jump function types combination.
23278         (print_edge_addition_message): Removed.
23279         (make_edge_direct_to_target): New function.
23280         (try_make_edge_direct_simple_call): Likewise.
23281         (try_make_edge_direct_virtual_call): Likewise.
23282         (update_call_notes_after_inlining): Renamed to...
23283         (update_indirect_edges_after_inlining): this.  Moved edge creation for
23284         indirect calls to try_make_edge_direct_simple_call, also calls
23285         try_make_edge_direct_virtual_call for virtual calls.
23286         (ipa_print_node_params): Changed the header message.
23287         (ipa_write_jump_function): Stream also known type jump functions.
23288         (ipa_read_jump_function): Likewise.
23289         (ipa_write_indirect_edge_info): Stream new fields in
23290         cgraph_indirect_call_info.
23291         (ipa_read_indirect_edge_info): Likewise.
23292         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
23293         GIMPLE_FOLD_H.
23294
23295 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23296
23297         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
23298
23299 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
23300
23301         * tree.h (CALL_EXPR_ARGS): Delete.
23302         (call_expr_arglist): Delete.
23303         * tree.c (call_expr_arglist): Delete.
23304         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
23305         targetm.fold_builtin.
23306         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
23307         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
23308         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
23309         arglist parameter.  Use CALL_EXPR_ARG.
23310         (picochip_expand_builtin_3op): Likewise.
23311         (picochip_expand_builtin_2opvoid): Likewise.
23312         (picochip_expand_array_get): Likewise.
23313         (picochip_expand_array_put): Likewise.
23314         (picochip_expand_array_testport): Likewise.
23315         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
23316         rather than arglist.
23317         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
23318         CALL_EXPR_ARGS.
23319         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
23320         than TREE_VALUE and TREE_CHAIN.
23321         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
23322         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
23323         the arglist.
23324
23325 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
23326
23327         PR bootstrap/42347
23328         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
23329         to have no fallthru edge.
23330
23331         PR middle-end/44102
23332         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
23333         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
23334         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
23335         add BARRIER after previous bb if needed.
23336
23337 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
23338
23339         * tree.c (build_function_type_list_1): Remove bogus assert condition.
23340
23341 2010-05-17  Alan Modra  <amodra@gmail.com>
23342
23343         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
23344         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
23345         with copy_reg rtx param.
23346         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
23347         Correct cases where code for ABI_V4 did not initialise the reg
23348         used to access frame.  Also leave frame_reg_rtx as sp for large
23349         frames that save no regs.
23350
23351 2010-05-17  Martin Jambor  <mjambor@suse.cz>
23352
23353         PR middle-end/44133
23354         * tree-sra.c (create_access_replacement): New parameter rename, mark
23355         the replaement for renaming only when it is true.
23356         (get_access_replacement): Pass true in the rename parameter of
23357         create_access_replacement.
23358         (get_unrenamed_access_replacement): New function.
23359         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
23360         replacement declaration from it.
23361
23362 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
23363
23364         * function.c (try_fit_stack_local, add_frame_space): New static
23365         functions.
23366         (assign_stack_local_1): Use them.  Look for opportunities to use
23367         space previously wasted on alignment.
23368         * function.h (struct frame_space): New.
23369         (struct rtl_data): Add FRAME_SPACE_LIST member.
23370         * reload1.c (something_was_spilled): New static variable.
23371         (alter_reg): Set it.
23372         (reload): Test it in addition to testing if the frame size changed.
23373
23374 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
23375
23376         * config/s390/s390.c: Define sane prefetch settings and activate
23377         flag_prefetch_loop_arrays on -O3.
23378         * config/s390/s390.h: Declare that read can use write prefetch.
23379
23380 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
23381
23382         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
23383         build.
23384
23385 2010-05-16  Jan Hubicka  <jh@suse.cz>
23386
23387         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
23388         function body; do not check stdarg field of struct function.
23389
23390 2010-05-16  Jan Hubicka  <jh@suse.cz>
23391
23392         * cgraph.c (dump_cgraph_node): Dump versionable flag.
23393         * cgraph.h (cgraph_local_info): Add versionable flag.
23394         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
23395         (ipcp_versionable_function_p): Use it.
23396         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
23397         versionable flag.
23398
23399 2010-05-16  Jan Hubicka  <jh@suse.cz>
23400
23401         * cgraph.c (cgraph_clone_node): Take decl argument and insert
23402         clone into hash when it is different from orig.
23403         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
23404         * cgraph.h (cgraph_clone_node): Update prototype.
23405         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
23406         (lto_cgraph_encoder_delete): Delete body map.
23407         (lto_cgraph_encoder_size): Move to header.
23408         (lto_cgraph_encoder_encode_body_p,
23409         lto_set_cgraph_encoder_encode_body): New.
23410         (lto_output_node): Do not take written_decls argument; output clone_of
23411         pointer.
23412         (add_node_to): Add include_body_argument; call
23413         lto_set_cgraph_encoder_encode_body on master of the clone.
23414         (add_references): Update use of add_node_to.
23415         (compute_ltrans_boundary): Likewise.
23416         (output_cgraph): Do not create written_decls bitmap.
23417         (input_node): Take nodes argument; stream in clone_of correctly.
23418         (input_cgraph_1): Update use of input_node.
23419         * lto-streamer-out.c (lto_output): Use encoder info to decide
23420         what bodies to output.
23421         * ipa-inline.c (cgraph_clone_inlined_nodes,
23422         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
23423         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
23424         (lto_cgraph_encoder_size): Define here.
23425         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
23426         Declare.
23427
23428 2010-05-16  Richard Guenther  <rguenther@suse.de>
23429
23430         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
23431         -fipa-type-escape.
23432         * ipa-type-escape.c (gate_type_escape_vars): Run when
23433         -fipa-struct-reorg runs.
23434         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
23435         * common.opt (fipa-type-escape): Remove.
23436
23437 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
23438
23439         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
23440         (decode_options): Likewise.
23441         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
23442
23443 2010-05-16  Jan Hubicka  <jh@suse.cz>
23444
23445         * ipa.c (function_and_variable_visibility): Also bring local all
23446         aliases.
23447
23448 2010-05-16  Richard Guenther  <rguenther@suse.de>
23449
23450         * alias.c (nonoverlapping_memrefs_p): Remove use of
23451         IPA type-escape information.
23452
23453 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
23454
23455         * c-common.c (c_common_reswords): Add _Static_assert for C.
23456         * c-parser.c (c_token_starts_declaration,
23457         c_parser_next_token_starts_declaration,
23458         c_parser_static_assert_declaration_no_semi,
23459         c_parser_static_assert_declaration): New.
23460         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
23461         Handle static assertions if static_assert_ok.
23462         (c_parser_external_declaration, c_parser_declaration_or_fndef,
23463         c_parser_compound_statement_nostart, c_parser_label,
23464         c_parser_for_statement, c_parser_objc_methodprotolist,
23465         c_parser_omp_for_loop): All callers of
23466         c_parser_declaration_or_fndef changed.
23467         (c_parser_struct_declaration): Handle static assertions.
23468         (c_parser_compound_statement_nostart): Use
23469         c_parser_next_token_starts_declaration and
23470         c_token_starts_declaration to detect start of declarations.
23471         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
23472         Likewise.
23473
23474 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
23475
23476         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
23477         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
23478         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
23479         TARGET_FUNCTION_VALUE_REGNO_P): Define.
23480         (mmix_function_outgoing_value): Rename to...
23481         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
23482         (mmix_function_value_regno_p): Make static.
23483         (mmix_libcall_value): New function.
23484         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
23485         mmix_function_value_regno_p): Remove declaration.
23486
23487 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
23488
23489         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
23490         BUILT_IN_ALLOCA if stack checking is enabled.
23491
23492 2010-05-16  Richard Guenther  <rguenther@suse.de>
23493
23494         * var-tracking.c (vars_copy_1): Inline ...
23495         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
23496         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
23497         (variable_merge_over_cur): Adjust.  Merge asserts.
23498         (variable_merge_over_src): Likewise.
23499         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
23500         (variable_post_merge_new_vals): Merge asserts.
23501         (variable_post_merge_perm_vals): Likewise.
23502         (find_mem_expr_in_1pdv): Likewise.
23503         (dataflow_set_different_value): Remove.
23504         (onepart_variable_different_p): Merge asserts.
23505         (variable_different_p): Likewise.
23506         (dataflow_set_different_1): Inline ...
23507         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
23508         (emit_notes_for_differences_1): Merge asserts.
23509
23510 2010-05-16  Richard Guenther  <rguenther@suse.de>
23511
23512         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
23513         * optabs.c (libfunc_decl_hash): Likewise.
23514         * varasm.c (emutls_decl): Likewise.
23515
23516 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
23517
23518         * c-decl.c: Don't include gimple.h.
23519         (merge_decls): Do not copy gimple_body.
23520
23521 2010-05-15  Jason Merrill  <jason@redhat.com>
23522
23523         * c.opt: Add -fnothrow-opt.
23524
23525 2010-05-15  Jan Hubicka  <jh@suse.cz>
23526
23527         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
23528         analyzed.
23529         * passes.c (ipa_write_summaries): Write all analyzed nodes.
23530
23531 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
23532
23533         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
23534         * Makefile.in: Add it.
23535         Fix all other Makefile dependencies for changes below.
23536         * tree.h: Include it instead of defining VEC primitives here.
23537         * gimple.h: Likewise.
23538         * rtl.h: Likewise.
23539         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
23540         * except.h: Include vecir.h, break dependence on tree.h.
23541
23542         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
23543         Move from here...
23544         * tree-iterator.c: ...to here.
23545         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
23546
23547         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
23548         tm_p.h.
23549         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
23550         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
23551         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
23552         tree-mudflap.h, and target.h.
23553         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
23554         predict.h, tree-inline.h, gimple.h, and langhooks.h.
23555         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
23556         Add FIXME for why gimple.h is still included (should be unnecessary
23557         since GCC 4.5 gimplification unit-at-a-time).
23558         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
23559         * c-pragma.c: Add FIXME for why function.h needs to be included just
23560         for cfun, at front-end level.
23561         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
23562         Do not include ggc.h, but include vecprim.h for VEC(char).
23563         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
23564         Explain why target.h is included.
23565         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
23566         Explain why gimple.h is included.
23567         * c-ppoutput.c: Do not include tm.h.
23568         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
23569         * c-parses.c: Explain why rtl.h is included, and that this (and only
23570         this) is also why tm.h must be included.
23571         Do not include except.h.
23572         * c-lang.c: Do not include ggc.h.
23573
23574 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
23575
23576         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
23577
23578 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
23579
23580         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
23581         unions by default if those structs and unions have no tags.  Do
23582         not condition anonymous struct and unions handling on flag_iso.
23583         Allow anonymous structs and unions for C1X.
23584         (finish_struct): Do not diagnose lack of named fields when
23585         anonymous structs and unions present for C1X.  Accept flexible
23586         array members in structure with anonymous structs or unions but no
23587         directly named fields.
23588         * doc/extend.texi (Unnamed Fields): Update.
23589
23590 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
23591
23592         * gimple.h (compare_field_offset): Rename into...
23593         (gimple_compare_field_offset): ...this.
23594         * gimple.c (compare_field_offset): Rename into...
23595         (gimple_compare_field_offset): ...this.  Compare the full access if
23596         the offset is self-referential.
23597         (gimple_types_compatible_p): Adjust for above renaming.
23598         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
23599         DECL_NONADDRESSABLE_P flag of fields before merging them.
23600
23601 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
23602
23603         * tree.h (ctor_to_list): Delete.
23604         * tree.c (ctor_to_list): Delete.
23605
23606 2010-05-15  Jan Hubicka  <jh@suse.cz>
23607
23608         * ipa-reference.c: Include toplev.h
23609         (is_proper_for_analysis): Only add to all_module_statics
23610         if it is allocated.
23611         (write_node_summary_p, stream_out_bitmap,
23612         ipa_reference_write_optimization_summary,
23613         ipa_reference_read_optimization_summary): New.
23614         (struct ipa_opt_pass_d pass_ipa_reference): Add
23615         optimization summary streaming.
23616         * lto-cgraph.c (referenced_from_this_partition_p,
23617         reachable_from_this_partition_p): New functions.
23618         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
23619         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
23620         * opts.c (decode_options): Enable ipa_reference.
23621         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
23622         * lto-streamer.h (referenced_from_this_partition_p,
23623         reachable_from_this_partition_p): Declare.
23624
23625 2010-05-15  Richard Guenther  <rguenther@suse.de>
23626
23627         PR tree-optimization/44038
23628         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
23629         taking the address of a V_C_E of a constant.
23630
23631 2010-05-14  Jan Hubicka  <jh@suse.cz>
23632
23633         * tree.h (memory_identifier_string): Remove.
23634         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
23635         (ipa_reference_global_vars_info_d): Remove statics_not_read and
23636         statics_not_written.
23637         (ipa_reference_optimization_summary_d): New structure.
23638         (ipa_reference_optimization_summary_t): New type and vector.
23639         (ipa_reference_vars_info_d): Embedd structures instead of using
23640         pointers.
23641         (reference_vars_to_consider): Remove out of GGC space.
23642         (module_statics_escape): Remove.
23643         (global_info_obstack): Rename to ...
23644         (optimization_summary_obstack): ... this one.
23645         (initialization_status_t): Remove.
23646         (memory_identifier_string): Remove.
23647         (get_reference_vars_info): Fix indenting.
23648         (set_reference_vars_info): Likewise.
23649         (get_reference_optimization_summary): New.
23650         (set_reference_optimization_summary): New.
23651         (get_global_reference_vars_info): Remove.
23652         (ipa_reference_get_read_global): Remove.
23653         (ipa_reference_get_written_global): Remove.
23654         (ipa_reference_get_not_read_global): Update.
23655         (ipa_reference_get_not_written_global): Update.
23656         (is_proper_for_analysis): Outlaw addressable.
23657         (propagate_bits): Update for new datastructures.
23658         (analyze_variable): Remove.
23659         (init_function_info): Update for new datastructures.
23660         (clean_function_local_data): Remove.
23661         (clean_function): Remove.
23662         (copy_global_bitmap): Use optimizations_summary_obstack.
23663         (duplicate_node_data): Duplicate optimization summary only.
23664         (remove_node_data): Remove optimization summary only.
23665         (generate_summary): Do not analyze variables; do not compute
23666         module_statics_escape; do not prune solutions by it.
23667         (read_write_all_from_decl): Fix typos in comments.
23668         (propagate): Doscover readonly and nonaddressable first;
23669         update for new datastructures; share global bitmaps.
23670         * ipa-reference.h (ipa_reference_get_read_global,
23671         ipa_reference_get_written_global): Remove.
23672         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
23673         * Makefile.in: Remove ipa-refereference from GT files.
23674
23675 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
23676
23677         PR debug/44112
23678         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
23679         for all SYMBOL_REF_DECLs.
23680
23681 2010-05-14  Jan Hubicka  <jh@suse.cz>
23682
23683         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
23684         (varpool_all_refs_explicit_p): New inline function.
23685         * ipa-reference.c: Update comment.
23686         (module_statics_written): Remove.
23687         (get_static_decl): Remove.
23688         (ipa_init): Do not initialize module_statics_written.
23689         (analyze_function): Likewise.
23690         (generate_summary): Likewise; do not compute module_statics_readonly
23691         and do not update variable flags.
23692         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
23693         * ipa.c: Inlucde flags.h
23694         (cgraph_local_node_p): New.
23695         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
23696         promote functions to local.
23697         (ipa_discover_readonly_nonaddressable_vars): New function.
23698         (function_and_variable_visibility): Use cgraph_local_node_p.
23699         * varpool.c (varpool_finalize_decl): Set force_output for
23700         DECL_PRESERVE_P vars.
23701
23702 2010-05-14  Jan Hubicka  <jh@suse.cz>
23703
23704         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
23705
23706 2010-05-14  Richard Guenther  <rguenther@suse.de>
23707
23708         PR tree-optimization/44119
23709         * tree-ssa-pre.c (eliminate): Properly mark replacement of
23710         a PHI node necessary.
23711
23712 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
23713
23714         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
23715
23716 2010-05-14  Jason Merrill  <jason@redhat.com>
23717
23718         PR c++/44127
23719         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
23720         (gimple_call_set_nothrow): New.
23721         * gimple.c (gimple_build_call_from_tree): Call it.
23722         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
23723
23724         PR c++/44127
23725         * gimplify.c (gimplify_seq_add_stmt): No longer static.
23726         * gimple.h: Declare it.
23727         * gimple.c (gimple_build_eh_filter): No ops.
23728
23729 2010-05-14  Jan Hubicka  <jh@suse.cz>
23730
23731         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
23732         nodes already in queue.
23733         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
23734         re-enqueueing node.
23735
23736 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
23737
23738         PR debug/44136
23739         * cfgexpand.c (expand_debug_expr): If non-memory op0
23740         has BLKmode, return NULL.
23741
23742 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
23743
23744         * config.gcc: Add support for --with-cpu option for bdver1.
23745         * config/i386/i386.h (TARGET_BDVER1): New macro.
23746         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
23747         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
23748         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
23749         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
23750         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
23751         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
23752         (processor_type): Add PROCESSOR_BDVER1.
23753         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
23754         processor_type in config/i386/i386.h.
23755         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
23756         movaps <reg, reg> instead of movapd <reg, reg> when replacing
23757         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
23758         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
23759         to emit packed xor instead of packed double/packed integer
23760         xor for SSE and AVX when moving a zero value.
23761         * config/i386/sse.md: Add check for
23762         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
23763         movapd/movdqa for SSE and AVX.
23764         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
23765         single logical operations i.e and, or and xor instead of packed double
23766         logical operations for SSE and AVX.
23767         * config/i386/i386-c.c (ix86_target_macros_internal):
23768         Add PROCESSOR_BDVER1.
23769         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
23770         (has_fma4, has_xop): New.
23771         * config/i386/i386.c (bdver1_cost): New variable.
23772         (m_BDVER1): New macro.
23773         (m_AMD_MULTIPLE): Add m_BDVER1.
23774         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
23775         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
23776         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
23777         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
23778         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
23779         x86_tune_sse_partial_reg_dependency,
23780         x86_tune_sse_unaligned_load_optimal,
23781         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
23782         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
23783         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
23784         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
23785         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
23786         Enable/disable for bdver1.
23787         (processor_target_table): Add bdver1_cost.
23788         (cpu_names): Add bdver1.
23789         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
23790          processor_alias_table.
23791         (ix86_expand_vector_move_misalign): Change.
23792         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
23793         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
23794         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
23795         of movupd/movdqu for SSE and AVX.
23796         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
23797         (ix86_tune_adjust_cost): Add code for bdver1.
23798         (standard_sse_constant_opcode): Add check for
23799         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
23800         of packed double xor for SSE and AVX.
23801
23802 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
23803
23804         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
23805         result to unsigned.
23806
23807 2010-05-14  Tristan Gingold  <gingold@adacore.com>
23808
23809         * toplev.c (default_debug_hooks): Remove this variable.
23810         (process_options): Remove assignments to default_debug_hooks.
23811
23812 2010-05-14  Martin Jambor  <mjambor@suse.cz>
23813
23814         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
23815         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
23816         * langhooks.h (struct lang_hooks_for_decls): Removed field
23817         fold_obj_type_ref.
23818         * tree.c (free_lang_data): Remove assignment to
23819         lang_hooks.fold_obj_type_ref.
23820         * tree.def (OBJ_TYPE_REF): Update comment.
23821
23822 2010-05-14  Richard Guenther  <rguenther@suse.de>
23823
23824         PR tree-optimization/44124
23825         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
23826
23827 2010-05-14  Alan Modra  <amodra@gmail.com>
23828
23829         PR target/44075
23830         * config/rs6000/rs6000.c (struct machine_function): Reorder
23831         fields for better packing.  Add lr_save_state.
23832         (rs6000_ra_ever_killed): Return lr_save_state if set.
23833         (rs6000_emit_eh_reg_restore): Set lr_save_state.
23834
23835 2010-05-13  Jan Hubicka  <jh@suse.cz>
23836
23837         * varpool.c (decide_is_variable_needed): Drop code checking
23838         TREE_SYMBOL_REFERENCED.
23839
23840 2010-05-13  Jan Hubicka  <jh@suse.cz>
23841
23842         * final.c (output_addr_const): Do not call mark_decl_referenced.
23843         * cgraphunit.c (process_function_and_variable_attributes): Use
23844         mark_needed_node dirrectly.
23845         (assemble_thunk): Do not call mark_decl_referenced.
23846
23847 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
23848
23849         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
23850
23851 2010-05-13  Jeff Law  <law@redhat.com>
23852
23853         * ira-conflicts.c (print_allocno_conflicts): New function broken out
23854         from...
23855         (print_conflicts): Call print_allocno_conflicts.
23856
23857 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
23858
23859         PR debug/44104
23860         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
23861         if it is NULL.
23862
23863 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
23864
23865         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
23866         t-mingw-w64 or t-mingw-w32 for multilib configuration.
23867         * config/i386/t-mingw-w32: New.
23868         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
23869
23870 2010-05-13  Martin Jambor  <mjambor@suse.cz>
23871
23872         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
23873         gimple-fold.c).
23874         * gimple-fold.c (get_base_binfo_for_type): New function.
23875         (gimple_get_relevant_ref_binfo): Likewise.
23876         (gimple_fold_obj_type_ref_known_binfo): Likewise.
23877         (gimple_fold_obj_type_ref): Likewise.
23878         (fold_gimple_call): Simplify condition for folding virtual calls
23879         and call gimple_fold_obj_type_ref.
23880         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
23881         (gimple_fold_obj_type_ref_known_binfo): Likewise.
23882
23883 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
23884
23885         * config/rs6000/rs6000-protos.h
23886         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
23887         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
23888         (rs6000_debug_mode_dependent_address)
23889         (rs6000_mode_dependent_address_ptr): Likewise.
23890
23891 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
23892
23893         PR debug/43983
23894         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
23895         by SRA.
23896         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
23897         * tree-sra.c (create_access_replacement): Call unshare_expr before
23898         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
23899         * dwarf2out.c: Include tree-flow.h.
23900         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
23901         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
23902         Handle DW_OP_bit_piece.
23903         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
23904         construct_piece_list, adjust_piece_list): New functions.
23905         (add_var_loc_to_decl): Handle SRA optimized variables.
23906         Adjust for var_loc_note to loc field renaming.
23907         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
23908         in VAR_LOCATION note.
23909         (new_loc_descr_op_bit_piece): New function.
23910         (dw_sra_loc_expr): New function.
23911         (dw_loc_list): Use it.  Don't handle the last range after the
23912         loop, handle it inside of the loop.  Adjust for var_loc_note
23913         to loc field renaming.
23914         (add_location_or_const_value_attribute): Only special case
23915         single entry loc lists if loc is NOTE_P.  Adjust for
23916         var_loc_note to loc field renaming.
23917         (dwarf2out_var_location): Don't set newloc->var_loc_note
23918         and newloc->next here.
23919
23920 2010-05-12  Jan Hubicka  <jh@suse.cz>
23921
23922         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
23923         flag.
23924         * cgraph.h (cgraph_only_called_directly_p,
23925         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
23926         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
23927         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
23928         (assemble
23929         * ipa.c (cgraph_remove_unreachable_nodes): Use
23930         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
23931         flags.
23932         * tree-inline.c (copy_bb): Check address_taken flag.
23933         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
23934         externally_visible flag.
23935
23936 2010-05-12  Jason Merrill  <jason@redhat.com>
23937
23938         PR bootstrap/44048
23939         PR target/44099
23940         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
23941         * sdbout.c (plain_type_1): Likewise.
23942         * dwarf2out.c (is_base_type): Likewise.
23943         (gen_type_die_with_usage): Likewise.  Generate
23944         DW_TAG_unspecified_type for any LANG_TYPE.
23945
23946 2010-05-12  Jan Hubicka  <jh@suse.cz>
23947
23948         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
23949         indrect edges too.
23950         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
23951         (cgraph_clone_edge): Update.
23952         (cgraph_node_remove_callees): Remove indirect calls too.
23953         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
23954         (cgraph_create_indirect_edge): Update prototype.
23955         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
23956         is_proper_for_analysis.
23957         (add_new_function, visited_nodes, function_insertion_hook_holder,
23958         get_local_reference_vars_info, mark_address_taken, mark_address,
23959         mark_load, mark_store, check_asm_memory_clobber, check_call,
23960         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
23961         (ipa_init): Do not initialize visited_nodes;
23962         function_insertion_hook_holder.
23963         (analyze_variable): Rewrite.
23964         (analyze_function): Rewrite.
23965         (copy_local_bitmap): Remove.
23966         (duplicate_node_dat): Do not duplicate local info.
23967         (generate_summary): Simplify to only walk cgraph.
23968         (write_node_summary_p, ipa_reference_write_summary,
23969         ipa_reference_read_summary): Remove.
23970         (propagate): Do not remove function insertion;
23971         generate summary.
23972         (pass_ipa_reference): NULLify summary handling fields.
23973         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
23974         (input_edge): Input ecf_flags.
23975         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
23976         (update_indirect_edges_after_inlining): Ignore edges with unknown
23977         param.
23978
23979 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
23980
23981         * implicit-zee.c: New file.
23982         * tree-pass.h (pass_implicit_zee): Declare.
23983         * passes.c (init_optimization_passes): Add zee pass.
23984         * common.opt (fzee): New flag.
23985         * timevar.def (TV_ZEE): Define.
23986         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
23987         and beyond.
23988         * Makefile.in (implicit-zee.o): Add new build file.
23989
23990 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
23991             Nathan Froyd  <froydnj@codesourcery.com>
23992
23993         * c-common.c (sync_resolve_params): Remove write-only variable.
23994
23995 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
23996
23997         * target.h (struct gcc_target): Add mode_dependent_address_p field.
23998         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
23999         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
24000         * targhooks.c (default_mode_dependent_address_p): New function.
24001         * targhooks.h (default_mode_dependent_address_p): Declare function.
24002         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
24003         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
24004         * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
24005         target hook. Change return type to bool.
24006         * recog.h (mode_dependent_address_p): Change return type to bool.
24007
24008 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
24009             Nathan Froyd  <froydnj@codesourcery.com>
24010
24011         * tree-mudflap.c (build_function_type_0, build_function_type_1,
24012         build_function_type_2, build_function_type_3): Remove.
24013         (mudflap_init): Use build_function_type_list.
24014
24015 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
24016             Nathan Froyd  <froydnj@codesourcery.com>
24017
24018         * coverage.c (build_fn_info_value): Call build_constructor instead of
24019         build_constructor_from_list.
24020         (build_ctr_info_value): Likewise.
24021         (build_gcov_info): Likewise.
24022
24023 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
24024
24025         * tree.c (build_constructor): Compute TREE_CONSTANT for the
24026         resultant constructor.
24027         (build_constructor_single): Don't set TREE_CONSTANT.
24028         (build_constructor_from_list): Don't compute TREE_CONSTANT.
24029
24030 2010-05-12  Jan Hubicka  <jh@suse.cz>
24031
24032         * cgraph.h (struct varpool_node): Add aux.
24033         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
24034         * varpool.c (varpool_remove_node): Do not remove initializer.
24035         (varpool_reset_queue): Export.
24036         (varpool_finalize_decl): Volatile vars are forced to be output.
24037         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
24038         replaced decl.
24039         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
24040         process_references, varpool_can_remove_if_no_refs): New functions.
24041         (cgraph_remove_unreachable_nodes): Handle variables too.
24042
24043 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
24044
24045         PR target/44088
24046         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
24047
24048 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
24049
24050         PR middle-end/44085
24051         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
24052         change value of ORT_TASK.
24053         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
24054         (omp_notice_threadprivate_variable): New function.
24055         (omp_notice_variable): Call it for threadprivate variables.
24056         If enclosing ctx is a task, print enclosing task rather than
24057         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
24058         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
24059         if task has untied clause.
24060
24061         PR debug/42278
24062         * dwarf2out.c (base_type_die): Don't add name attribute here.
24063         (modified_type_die): Instead of sizetype use
24064         its underlying original type.  If a DW_TAG_base_type doesn't
24065         have name added, add __unknown__.
24066         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
24067         always call force_type_die instead.
24068
24069 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
24070
24071         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
24072         for __stack_chk_guard.
24073
24074 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
24075
24076         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
24077         don't call start_source_file debug hook here...
24078         (finish_options): ... but here, after outputting predefined and
24079         command line defines and undefs.
24080
24081         PR middle-end/44071
24082         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
24083         no fallthru edge.
24084         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
24085         optimizing away empty bb with no successors, move over its
24086         footer chain to fallthru predecessor.
24087         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
24088         (rtl_split_edge): For asm goto call patch_jump_insn even if
24089         splitting fallthru edge.
24090
24091         PR c++/44059
24092         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
24093         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
24094         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
24095         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
24096         on DW.ref.* decls.
24097
24098         PR c++/44062
24099         * c-parser.c (c_parser_expression): Mark LHS of a comma
24100         expression as read if it is a decl, handled component or
24101         COMPOUND_EXPR with that on the RHS.
24102         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
24103         if it is a decl or handled component.
24104
24105 2010-05-11  Jan Hubicka  <jh@suse.cz>
24106
24107         * lto-symtab.c (lto_symtab_free): New function.
24108         * lto-streamer.h (lto_symtab_free): Declare.
24109
24110 2010-05-11  Jan Hubicka  <jh@suse.cz>
24111
24112         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
24113         that if function is needed it is reachable.
24114         (lto_output_node): See if it the function is reachable or referenced.
24115         (output_cgraph): Update call of lto_output_node.
24116         * lto-streamer.h (reachable_from_other_partition_p): Declare.
24117
24118 2010-05-11  Jan Hubicka  <jh@suse.cz>
24119
24120         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
24121         Mark as used.
24122
24123 2010-05-11  Jan Hubicka  <jh@suse.cz>
24124
24125         PR tree-optimize/44063
24126         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
24127         queue.
24128         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
24129         limits.
24130         (estimate_function_body_sizes): Compute sizes even when disregarding.
24131
24132 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
24133
24134         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
24135
24136 2010-05-11  Jan Hubicka  <jh@suse.cz>
24137
24138         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
24139         into every boundary.
24140
24141 2010-05-11  Jan Hubicka  <jh@suse.cz>
24142
24143         * matrix-reorg.c (matrix_reorg): Rebuild edges.
24144
24145 2010-05-11  Jan Hubicka  <jh@suse.cz>
24146
24147         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
24148         lto_streamer_cache_delete): Put nodes into heap.
24149         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
24150         heap.
24151
24152 2010-05-11  Jan Hubicka  <jh@suse.cz>
24153
24154         * cgraphbuild.c (cgraph_rebuild_references): New.
24155         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
24156         out extern inlines.
24157         * cgraph.h (cgraph_rebuild_references): Declare.
24158         * tree-inline.c (tree_function_versioning): Use it.
24159         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
24160
24161 2010-05-11  Jan Hubicka  <jh@suse.cz>
24162
24163         * cgraph.c: Include ipa-utils.h
24164         (cgraph_create_virtual_clone): Update references.
24165         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
24166
24167 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
24168
24169         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
24170         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
24171         cache size.
24172
24173 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
24174
24175         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
24176
24177 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
24178
24179         * gcc.c (execute): For -### don't quote arguments that
24180         contain just alphanumerics and _/-. characters.
24181         * doc/invoke.texi: Document that change for -###.
24182
24183         PR debug/44023
24184         * df-problems.c (struct dead_debug): Add to_rescan field.
24185         (dead_debug_init): Clear to_rescan field.
24186         (dead_debug_finish): Rescan all debug insns in to_rescan
24187         bitmap and free the bitmap.
24188         (dead_debug_insert_before): Instead of rescanning debug insns
24189         immediately queue their rescanning until dead_debug_finish.
24190         (df_note_bb_compute): After dead_debug_add do continue instead
24191         of break.
24192
24193 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
24194
24195         PR debug/44028
24196         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
24197         clear also INSN_REG_USE_LIST.
24198
24199 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24200
24201         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
24202
24203 2010-05-10  Jan Hubicka  <jh@suse.cz>
24204
24205         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
24206         commited change.
24207
24208 2010-05-10  Jan Hubicka  <jh@suse.cz>
24209
24210         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
24211         Allocate encoders.
24212         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
24213         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
24214         (lto_streamer_cache_create): Init alloc pool.
24215         (lto_streamer_cache_delete): Free alloc pool.
24216         * lto-streamer.h: Include alloc pool.
24217         (lto_streamer_cache_d): Use alloc pool.
24218         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
24219
24220 2010-05-10  Jan Hubicka  <jh@suse.cz>
24221
24222         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
24223         * cgraphbuild.c: Include except.h
24224         (record_type_list, record_eh_tables): New function.
24225         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
24226
24227 2010-05-10  Jan Hubicka  <jh@suse.cz>
24228
24229         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
24230         __frame_dummy_init_array_entry, force_to_data): Attribute as used
24231         rather than unused.
24232
24233 2010-05-10  Michael Matz  <matz@suse.de>
24234
24235         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
24236         (can_reassociate_p): Use FLOAT_TYPE_P.
24237         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
24238         (vect_force_simple_reduction): ... this.
24239         * tree-parloops.c (gather_scalar_reductions): Use
24240         vect_force_simple_reduction.
24241         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
24242         vect_is_simple_reduction, add modify argument, if true rewrite
24243         "a-b" into "a+(-b)".
24244         (vect_is_simple_reduction, vect_force_simple_reduction): New
24245         functions.
24246         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
24247
24248 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
24249             Vladimir Makarov  <vmakarov@redhat.com>
24250
24251         PR rtl-optimization/44012
24252         * ira-build.c (remove_unnecessary_allocnos): Nullify
24253         regno_allocno_map of the removed allocno.
24254
24255 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24256
24257         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
24258         to /dev/null.
24259         * configure: Regenerate.
24260
24261 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24262
24263         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
24264         unused.
24265         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
24266         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
24267         support in Sun ld.
24268         * configure: Regenerate.
24269
24270 2010-05-10  Richard Guenther  <rguenther@suse.de>
24271
24272         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
24273         marked if the entry identifier is marked.
24274
24275 2010-05-10  Richard Guenther  <rguenther@suse.de>
24276
24277         * c-common.c (struct c_common_attributes): Add fnspec attribute.
24278         (handle_fnspec_attribute): New function.
24279         * gimple.h (gimple_call_return_flags): Declare.
24280         (gimple_call_arg_flags): Likewise.
24281         * gimple.c (gimple_call_arg_flags): New function.
24282         (gimple_call_return_flags): Likewise.
24283         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
24284         New argument flags.
24285         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
24286         return value flags.
24287         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
24288         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
24289         main work to ...
24290         (make_heapvar_for): ... this new function.
24291         (handle_rhs_call): Handle fnspec attribute argument specifiers.
24292         (handle_lhs_call): Likewise.
24293         (find_func_aliases): Adjust.
24294
24295 2010-05-10  Richard Guenther  <rguenther@suse.de>
24296
24297         PR tree-optimization/44050
24298         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
24299
24300 2010-05-10  Wei Guozhi  <carrot@google.com>
24301
24302         PR target/42879
24303         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
24304
24305 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
24306
24307         PR c/10676
24308         * c-typeck.c (lookup_field): Take a type directly.  Update
24309         recursive calls.
24310         (build_component_ref): Update call to lookup_field.
24311         (set_init_label): Use lookup_field to find initialized field.
24312         Handle returned list of fields like a sequence of designators.
24313
24314 2010-05-09  Richard Guenther  <rguenther@suse.de>
24315
24316         PR middle-end/44024
24317         * fold-const.c (tree_single_nonzero_warnv_p): Properly
24318         handle &FUNCTION_DECL.
24319
24320 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
24321
24322         PR c/4784
24323         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
24324         structures and unions recursively.
24325         (detect_field_duplicates): Move duplicate detection with a hash to
24326         detect_field_duplicates_hash.  Always use a hash if anonymous
24327         structures or unions are present.
24328         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
24329         give errors.
24330
24331 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
24332
24333         PR target/44046
24334         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
24335         detect Atom, Core 2 and Core i7.
24336
24337 2010-05-09  Richard Guenther  <rguenther@suse.de>
24338
24339         * gcc.c (store_arg): Handle temporary file deletion for
24340         joined arguments.
24341
24342 2010-05-09  Richard Guenther  <rguenther@suse.de>
24343
24344         PR middle-end/44043
24345         * ipa-inline.c (estimate_function_body_sizes): Return after
24346         disregarding inline limits.
24347
24348 2010-05-09  Richard Guenther  <rguenther@suse.de>
24349
24350         * gcc.c (store_arg): Revert last change.
24351
24352 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
24353
24354         PR middle-end/28685
24355         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
24356         (optimize_ops_list): Call it.
24357
24358 2010-05-08  Richard Guenther  <rguenther@suse.de>
24359
24360         PR tree-optimization/44030
24361         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
24362         NECESSARY flag if we propagate from a inserted expression.
24363
24364 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
24365
24366         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
24367         domain types as equal if they are both PLACEHOLDER_EXPRs.
24368
24369 2010-05-08  Richard Guenther  <rguenther@suse.de>
24370
24371         * lto-wrapper.c (run_gcc): Remove linker output from
24372         command line for LTRANS invocation.
24373
24374 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
24375
24376         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
24377         lto-macho as lto_binary_reader.
24378         * target.h (struct gcc_target): New hooks lto_start and lto_end.
24379         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
24380         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
24381         in lto_start and lto_end calls.
24382         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
24383         magic numbers.
24384         (scan_prog_file): Update is_elf_or_coff call.
24385         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
24386
24387         * collect2.c (main): Fix enum comparison.
24388
24389         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
24390         Add prototypes.
24391         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
24392         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
24393         and TARGET_ASM_LTO_END.
24394         * darwin.c: Include obstack.h and lto-streamer.h.
24395         (lto_section_names_offset, lto_section_names_obstack,
24396         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
24397         global variables.
24398         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
24399         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
24400         to a temporary file.
24401         (darwin_asm_lto_end): New function.  Restore asm_out_file.
24402         (darwin_asm_named_section): For LTO sections, replace the name with
24403         the offset of the section name in a string table, and build this
24404         table.
24405         (darwin_file_start): Initialize global vars for LTO support.
24406         (darwin_file_end): If output to asm_out_file was redirected, append it
24407         to the proper asm_out_file here.  Add the section names section.
24408
24409 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
24410
24411         * c-pragma.c (pending_weak_d, pending_weak): New.
24412         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
24413         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
24414         handle_pragma_weak): Update the uses of pending_weaks.
24415
24416 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24417
24418         PR documentation/44016
24419         * doc/standards.texi (Standards): Link to unversioned
24420         cxx0x_status.html page.
24421
24422 2010-05-07  Iain Sandoe  <iains@gcc.gnu.org>
24423
24424         PR target/43708
24425         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
24426         in addition to TREE_USED, to avoid "set but unused" warnings.
24427
24428 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
24429
24430         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
24431         (is_loop_prefetching_profitable): Do not insert prefetches
24432         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
24433         times the prefetch ahead distance.
24434
24435 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
24436
24437         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
24438         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
24439         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
24440         the unroll_factor.
24441
24442 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
24443
24444         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
24445         a diagnostic info when the insn-to-mem ratio is too small.
24446
24447 2010-05-07  Richard Guenther  <rguenther@suse.de>
24448
24449         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
24450         the linker plugin.
24451         (store_arg): Queue temp_filename for deletion instead of
24452         the whole argument.
24453
24454 2010-05-07  Richard Guenther  <rguenther@suse.de>
24455
24456         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
24457         (run_gcc): Handle LTRANS phase invocation.
24458         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
24459
24460 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
24461
24462         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
24463         this is also meaningful on PARM_DECLs and RESULT_DECLs.
24464
24465 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24466
24467         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
24468
24469 2010-05-07  Richard Guenther  <rguenther@suse.de>
24470
24471         PR tree-optimization/44020
24472         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
24473         code when PRE is not yet initialized.
24474
24475 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24476
24477         * config/mips/dbxmdebug.h: Remove.
24478         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
24479
24480 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
24481
24482         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
24483         with null pointer and also warn about ordered comparison of zero with
24484         pointer if -Wextra.
24485
24486 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
24487
24488         * graphite-blocking.c
24489         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
24490         * graphite-clast-to-gimple.c
24491         (clast_to_gcc_expression): Same.
24492         (precision_for_value): Same.
24493         (precision_for_interval): Same.
24494         (gcc_type_for_interval): Same.
24495         (graphite_create_new_guard): Same.
24496         (compute_bounds_for_level): Same.
24497         (graphite_create_new_loop_guard): Same.
24498         * graphite-interchange.c
24499         (build_linearized_memory_access): Same.
24500         (pdr_stride_in_loop): Same.
24501         (memory_strides_in_loop_1): Same.
24502         (memory_strides_in_loop): Same.
24503         (extend_scattering): Same.
24504         (psct_scattering_dim_for_loop_depth): Same.
24505         (pbb_number_of_iterations): Same.
24506         * graphite-poly.h
24507         (debug_iteration_domains): Same.
24508         * graphite-ppl.c
24509         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
24510         (ppl_set_inhomogeneous_gmp): Same.
24511         (ppl_strip_loop): Same.
24512         (ppl_lexico_compare_linear_expressions): Same.
24513         (ppl_read_polyhedron_matrix): Same.
24514         (ppl_max_for_le_pointset): Same.
24515         * graphite-ppl.h
24516         (ppl_read_polyhedron_matrix): Same.
24517         (tree_int_to_gmp): Same.
24518         (gmp_cst_to_tree): Same.
24519         (ppl_set_inhomogeneous): Same.
24520         (ppl_set_inhomogeneous_tree): Same.
24521         (ppl_set_coef): Same.
24522         (ppl_set_coef_tree): Same.
24523         * graphite-sese-to-poly.c
24524         (build_pbb_scattering_polyhedrons): Same.
24525         (build_scop_scattering): Same.
24526         (scan_tree_for_params_right_scev): Same.
24527         (scan_tree_for_params): Same.
24528         (find_params_in_bb): Same.
24529         (find_scop_parameters): Same.
24530         (add_upper_bounds_from_estimated_nit): Same.
24531         (build_loop_iteration_domains): Same.
24532         (add_condition_to_domain): Same.
24533         (pdr_add_memory_accesses): Same.
24534
24535 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
24536
24537         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
24538         CLooG's value_* macros to their respective mpz_* counterparts.
24539         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
24540         (graphite_create_new_loop_guard): Same.
24541         * graphite-interchange.c (build_linearized_memory_access): Same.
24542         (pdr_stride_in_loop): Same.
24543         (memory_strides_in_loop_1): Same.
24544         (1st_interchange_profitable_p): Same.
24545         * graphite-poly.c (extend_scattering): Same.
24546         (psct_scattering_dim_for_loop_depth): Same.
24547         (pbb_number_of_iterations): Same.
24548         (pbb_number_of_iterations_at_time): Same.
24549         * graphite-poly.h (new_1st_loop): Same.
24550         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
24551         (oppose_constraint): Same.
24552         (insert_constraint_into_matrix): Same.
24553         (ppl_set_inhomogeneous_gmp): Same.
24554         (ppl_set_coef_gmp): Same.
24555         (ppl_strip_loop): Same.
24556         (ppl_lexico_compare_linear_expressions): Same.
24557         (ppl_max_for_le_pointset): Same.
24558         (ppl_min_for_le_pointset): Same.
24559         (ppl_build_realtion): Same.
24560         * graphite-ppl.h (gmp_cst_to_tree): Same.
24561         (ppl_set_inhomogeneous): Same.
24562         (ppl_set_inhomogeneous_tree): Same.
24563         (ppl_set_coef): Same.
24564         (ppl_set_coef_tree): Same.
24565         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
24566         (build_scop_scattering): Same.
24567         (add_value_to_dim): Same.
24568         (scan_tree_for_params_right_scev): Same.
24569         (scan_tree_for_params_int): Same.
24570         (scan_tree_for_params): Same.
24571         (find_params_in_bb): Same.
24572         (find_scop_parameters): Same.
24573         (add_upper_bounds_from_estimated_nit): Same.
24574         (build_loop_iteration_domains): Same.
24575         (create_linear_expr_from_tree): Same.
24576         (add_condition_to_domain): Same.
24577         (pdr_add_memory_accesses): Same.
24578
24579 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
24580             Jason Merrill  <jason@redhat.com>
24581
24582         * c-common.c (c_common_reswords): Add nullptr.
24583         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
24584         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
24585         (gen_type_die_with_usage): Likewise.
24586         * dbxout.c (dbxout_type): Likewise.
24587         * sdbout.c (plain_type_1): Likewise.
24588
24589 2010-05-06  Jason Merrill  <jason@redhat.com>
24590
24591         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
24592         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
24593         ret appropriately.
24594         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
24595
24596         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
24597         stripping WITH_SIZE_EXPR.
24598         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
24599         change.
24600
24601 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24602
24603         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
24604         list of obsolete configurations.
24605         Disabled check for obsolete configurations.
24606         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
24607         Removed support for previous versions.
24608         * config/mips/iris.h: Removed.
24609         * config/mips/iris5.h: Removed.
24610         * config/mips/iris6.h: Merged old iris.h contents.
24611         (TARGET_IRIX): Removed.
24612         (DRIVER_SELF_SPECS): Removed mabi=32.
24613         (IDENT_ASM_OP): Removed undef.
24614         (STARTFILE_SPEC): Removed mabi=32.
24615         (ENDFILE_SPEC): Likewise.
24616         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
24617         (MACHINE_TYPE): Update for IRIX 6.5.
24618         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
24619         TARGET_IRIX by TARGET_IRIX6.
24620         (mips_file_start): Likewise.
24621         (mips_output_external): Remove IRIX 5/6 O32 support.
24622         (mips_output_function_prologue): Likewise.
24623         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
24624         TARGET_IRIX6.
24625         (TARGET_CPU_CPP_BUILTINS): Likewise.
24626         (TARGET_IRIX): Removed.
24627         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
24628         (MULTILIB_DIRNAMES): Removed 32.
24629         (MULTILIB_OSDIRNAMES): Removed ../lib.
24630         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
24631         (Specific, mips-sgi-irix5): Document removal.
24632         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
24633         Remove references to older IRIX 6 releases and the O32 ABI.
24634
24635 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
24636
24637         PR bootstrap/43994
24638         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
24639         instead of DF_REF_REAL_REG.
24640
24641 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
24642
24643         PR target/43888
24644         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
24645         handling to still return true for x64 targets.
24646
24647 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
24648
24649         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
24650
24651 2010-05-06  Jan Hubicka  <jh@suse.cz>
24652
24653         PR tree-optimization/43791
24654         * ipa-inline.c (update_caller_keys): Remove bogus
24655         disregard_inline_limits check.
24656
24657 2010-05-06  Michael Matz  <matz@suse.de>
24658
24659         PR tree-optimization/43984
24660         * tree-ssa-pre.c (inserted_phi_names): Remove.
24661         (inserted_exprs): Change to bitmap.
24662         (create_expression_by_pieces): Set bits, don't append to vector.
24663         (insert_into_preds_of_block): Don't handle inserted_phi_names.
24664         (eliminate): Don't look at inserted_phi_names, remove deleted
24665         insns from inserted_exprs.
24666         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
24667         (init_pre, fini_pre): Allocate and free bitmaps.
24668         (execute_pre): Insert insns on edges before elimination.
24669
24670 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
24671
24672         * tree.c (initializer_zerop): Handle STRING_CST.
24673
24674 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24675
24676         PR 40989
24677         * doc/invoke.texi (Wimplicit): Document as C only.
24678         * opts.c (common_handle_option): Add argument kind.
24679         (handle_option): Rename as read_cmdline_option. Factor out code to...
24680         (handle_option): ... here. New.
24681         (handle_options): Rename as read_cmdline_options.
24682         (decode_options): Update call.
24683         (set_option): Use option index instead of option pointer. Classify
24684         diagnostics correctly.
24685         (enable_warning_as_error): Call handle_option.
24686         * opts.h (set_option): Update declaration.
24687         (handle_option): Declare.
24688         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
24689         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
24690         * c-opts.c (set_Wimplicit): Delete.
24691         (c_family_lang_mask): New static constant.
24692         (c_common_handle_option): Add argument kind. Use handle_option
24693         instead of set_Wimplicit.
24694         (c_common_post_options): warn_implicit and warn_implicit_int
24695         are disabled by default.
24696         * c-common.c (warn_implicit): Do not define here.
24697         * c-common.h (warn_implicit): Do not declare here.
24698         (c_common_handle_option): Update declaration.
24699         * lto-opts.c (lto_reissue_options): Update call to set_option.
24700
24701 2010-05-06  Richard Guenther  <rguenther@suse.de>
24702
24703         PR tree-optimization/43571
24704         * domwalk.c (walk_dominator_tree): Walk the dominator
24705         sons in more optimal order.
24706
24707 2010-05-06  Richard Guenther  <rguenther@suse.de>
24708
24709         PR tree-optimization/43934
24710         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
24711         (stmt_cost): Likewise.
24712         (extract_true_false_args_from_phi): New helper.
24713         (determine_max_movement): For PHI nodes verify we can hoist them
24714         and compute their cost.
24715         (determine_invariantness_stmt): Handle PHI nodes.
24716         (move_computations_stmt): Likewise.  Hoist PHI nodes in
24717         if-converted form using COND_EXPRs.
24718         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
24719         (tree_ssa_lim): Likewise.
24720         * tree-flow.h (tree_ssa_lim): Adjust prototype.
24721         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
24722
24723 2010-05-06  Richard Guenther  <rguenther@suse.de>
24724
24725         PR tree-optimization/43987
24726         * tree-ssa-structalias.c (could_have_pointers): For possibly
24727         address-taken variables force pointers to be recorded.
24728         (create_variable_info_for_1): Likewise.
24729         (push_fields_onto_fieldstack): Pass in wheter all fields
24730         must have pointers.
24731         (find_func_aliases): Query types instead of vars whether
24732         they contain pointers where appropriate.
24733
24734 2010-05-06  Jan Hubicka  <jh@suse.cz>
24735
24736         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
24737         (record_reference, mark_address, mark_load, mark_store): Record
24738         references.
24739         (record_references_in_initializer): Update call of record_references.
24740         (rebuild_cgraph_edges): Remove all references before rebuiding.
24741         * cgraph.c (cgraph_create_node): Clear ref list.
24742         (cgraph_remove_node): Remove references.
24743         (dump_cgraph_node): Dump references.
24744         (cgraph_clone_node): Clone references.
24745         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
24746         (struct cgraph_node, varpool_node): Add ref_lst.
24747         * ipa-ref.c: New file.
24748         * ipa-ref.h: New file.
24749         * ipa-ref-inline.h: New file.
24750         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
24751         (referenced_from_other_partition_p): New function.
24752         (lto_output_varpool_node): Take set arugment; call
24753         referenced_from_other_partition.
24754         (lto_output_ref): New.
24755         (add_references): New.
24756         (output_refs): New.
24757         (output_cgraph): Compute boundary based on references; output refs.
24758         (output_varpool): Accept cgraph_node_set argument.
24759         (input_ref): New.
24760         (input_refs): New.
24761         (input_cgraph): Call input_refs.
24762         * lto-section-in.c (lto_section_name): Add refs.
24763         * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
24764         (ipa-ref.o): New file.
24765         * varpool.c (varpool_node): Clear ipa ref list.
24766         (varpool_remove_node): Remove references.
24767         (dump_varpool_node): Dump references.
24768         (varpool_assemble_decl): Only compile finalized ones.
24769         (varpool_extra_name_alias): Initialize ref list.
24770         * lto-streamer.c (lto-get_section_name): Add .refs section.
24771         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
24772         (referenced_from_other_partition_p): Declared.
24773
24774 2010-05-06  Ira Rosen  <irar@il.ibm.com>
24775
24776         PR tree-optimization/43901
24777         * tree-vect-stmts.c (vectorizable_call): Assert that vector
24778         type is not NULL if it's transformation phase, and return
24779         FALSE if it's analysis.
24780         (vectorizable_conversion, vectorizable_operation,
24781         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
24782
24783 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
24784
24785         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
24786         Delete.
24787         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
24788         New define.
24789         * config/mips/mips-protos.h
24790         (mips_small_register_classes_for_mode_p): Delete prototype.
24791
24792 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
24793
24794         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
24795         * config/arm/arm.c (multiple_operation_profitable_p,
24796         compute_offset_order): New static functions.
24797         (load_multiple_sequence, store_multiple_sequence): Use them.
24798         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
24799         memory offsets, not register numbers.
24800         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
24801
24802 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
24803
24804         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
24805         (get_pending_sizes, put_pending_size, put_pending_sizes):
24806         Update the uses of pending_sizes.
24807         * c-decl.c (store_parm_decls): Likewise.
24808         * c-tree.h (struct c_arg_info): Likewise.
24809         * tree.h: Update the prototype for get_pending_sizes and
24810         put_pending_sizes.
24811
24812 2010-05-05  Jason Merrill  <jason@redhat.com>
24813
24814         PR debug/43370
24815         * c-common.c (handle_aligned_attribute): Respect
24816         ATTR_FLAG_TYPE_IN_PLACE.
24817
24818         PR testsuite/43758
24819         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
24820         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
24821         (TARGET_INITIALIZER): Use it.
24822         * c-common.c (attribute_takes_identifier_p): Call it.
24823         * c-common.h: Update prototype.
24824         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
24825         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
24826
24827 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
24828
24829         PR debug/43950
24830         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
24831         DW_ID_down_case for Fortran compilation units.
24832
24833 2010-05-05  Jan Hubicka  <jh@suse.cz>
24834
24835         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
24836         handle aliases.
24837
24838 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
24839
24840         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
24841         a variable-sized RESULT_DECL.
24842
24843 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
24844
24845         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
24846
24847 2010-05-05  Jason Merrill  <jason@redhat.com>
24848
24849         PR c++/43787
24850         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
24851         returns GS_OK.
24852         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
24853
24854 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
24855             Jakub Jelinek  <jakub@redhat.com>
24856
24857         PR debug/43478
24858         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
24859         (dead_debug_init, dead_debug_finish): New functions.
24860         (dead_debug_add, dead_debug_insert_before): Likewise.
24861         (df_note_bb_compute): Initialize a dead_debug object, add dead
24862         debug uses to it, insert debug bind insns before death insns,
24863         reset debug insns that refer to pending uses at the end.
24864         * rtl.h (make_debug_expr_from_rtl): New prototype.
24865         * varasm.c (make_debug_expr_from_rtl): New function.
24866
24867 2010-05-05  Jan Hubicka  <jh@suse.cz>
24868
24869         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
24870         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
24871         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
24872         lto_varpool_encoder_deref, lto_varpool_encoder_size,
24873         lto_varpool_encoder_encode_initializer_p,
24874         lto_set_varpool_encoder_encode_initializer): New functions.
24875         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
24876         call output_varpool.
24877         (input_varpool_node): Do not always set analyzed.
24878         (input_cgraph_1): Return vector of cgraph nodes.
24879         (input_varpool_1): Return vector of varpools.
24880         (input_cgraph): Free the vectors.
24881         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
24882         output only initializers needed.
24883         (lto_output): Only call output_cgraph.
24884         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
24885         * lto-section-out.c (lto_new_out_decl_state): Initialize
24886         state->varpool_node_encoder.
24887         * lto-streamer.h (lto_varpool_encoder_d): New.
24888         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
24889         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
24890         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
24891         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
24892         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
24893         Declare.
24894         (output_varpool, input_varpool): Remove declarations.
24895
24896 2010-05-05  Jan Hubicka  <jh@suse.cz>
24897
24898         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
24899         with body can prevail.
24900
24901 2010-05-05  Jan Hubicka  <jh@suse.cz>
24902
24903         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
24904         size.
24905
24906 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
24907
24908         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
24909
24910         * gengtype.h (erro_at_line): Constify pos argument.
24911
24912         * gengtype.c: Include hashtab.h.
24913         (enum gc_used): Document GC_MAYBE_POINTED_TO.
24914         (error_at_line): Constify pos argument.
24915         (do_typedef): Initialize p->opt field.
24916         (get_file_gtfilename): Fix comment typo.
24917         (struct walk_type_data): Constify line field.
24918         (get_output_file_for_structure): New function.
24919         (write_local_func_for_structure): Constify orig_s argument.
24920         Use get_output_file_for_structure.
24921         (write_func_for_structure): Use get_output_file_for_structure.
24922         (INDENT): New define.
24923         (dump_pair, dump_type, dump_type_list, dump_typekind)
24924         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
24925         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
24926         functions.
24927         (seen_types): New variable.
24928         (main): New variable do_dump.  Process "-d" command line option.
24929         Call dump_everything if dump requested.
24930
24931 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
24932
24933         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
24934         in a temporary instead of invoking the macro multiple times.
24935         (track_expr_p): Likewise.
24936
24937 2010-05-04  Neil Vachharajani  <nvachhar@google.com>
24938
24939         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
24940         per new semantics.
24941         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
24942         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
24943         conditions for printing notes.
24944         * common.opt (-Wcoverage-mismatch): Allow negative, default to
24945         true, update documentation.
24946         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
24947
24948 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
24949
24950         PR c/43981
24951         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
24952         on dimen.
24953
24954 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
24955
24956         PR target/43799
24957         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
24958         (*sse_prologue_save_insn1): Likewise.
24959         (SSE prologue save splitter): Likewise.
24960
24961 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
24962
24963         * tree.c (free_lang_data_in_one_sizepos): New inline function.
24964         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
24965         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
24966         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
24967         all decls.  Call it on DECL_FIELD_OFFSET of fields.
24968         (find_decls_types_r): Follow DECL_VALUE_EXPR.
24969         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
24970
24971 2010-05-04  Martin Jambor  <mjambor@suse.cz>
24972
24973         * tree-sra.c (build_access_from_expr_1): The first parameter type
24974         changed to simple tree.
24975         (build_access_from_expr): Likewise, gsi parameter was eliminated.
24976         (scan_assign_result): Renamed to assignment_mod_result, enum elements
24977         renamed as well.
24978         (build_accesses_from_assign): Removed all parameters except for a
24979         simple gimple statement.  Now returns a simple bool.
24980         (scan_function): All non-analysis parts moved to separate functions
24981         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
24982         parameters and updated both callers.
24983         (sra_modify_expr): Removed parameter data.
24984         (sra_modify_function_body): New function.
24985         (perform_intra_sra): Call sra_modify_function_body to modify the
24986         function body.
24987         (replace_removed_params_ssa_names): Parameter data changed into
24988         adjustments vector.
24989         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
24990         changed the parameter dont_convert to convert with the opposite
24991         meaning.
24992         (sra_ipa_modify_assign): Parameter data changed into adjustments
24993         vector, return value changed to bool.
24994         (ipa_sra_modify_function_body): New function.
24995         (sra_ipa_reset_debug_stmts): Updated a comment.
24996         (modify_function): Use ipa_sra_modify_function_body to modify function
24997         body.
24998
24999 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
25000
25001         PR middle-end/43671
25002         * alias.c (true_dependence): Handle the same VALUE in x and mem.
25003         (canon_true_dependence): Likewise.
25004         (write_dependence_p): Likewise.
25005
25006 2010-05-04  Jan Hubicka  <jh@suse.cz>
25007
25008         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
25009         * cgraphbuild.c: Include ipa-utils.h
25010         (record_reference_ctx): New struct.
25011         (record_reference): Simplify to work on initializers; not statements.
25012         (mark_address, mark_load, mark_store): New.
25013         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
25014         walk PHI nodes too.
25015         (record_references_in_initializer): Update use of record_reference.
25016         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
25017         walk PHI nodes too.
25018
25019 2010-05-04  Jan Hubicka  <jh@suse.cz>
25020
25021         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
25022         node will be removed anyway.
25023         (lto_varpool_replace_node): Allow also unanalyzed nodes;
25024         relink aliases of node into prevailing node.
25025         * varpool.c (varpool_remove_node): Remove aliases properly;
25026         when removing node, remove all its aliases too; remove DECL_INITIAL
25027         of removed node; ggc_free the varpool node.
25028
25029 2010-05-04  Richard Guenther  <rguenther@suse.de>
25030
25031         PR tree-optimization/43879
25032         * tree-ssa-structalias.c (alias_get_name): Use
25033         DECL_ASSEMBLER_NAME if available.
25034         (create_function_info_for): Return the varinfo node.
25035         (ipa_pta_execute): Associate same-body aliases and extra names
25036         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
25037
25038 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
25039
25040         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
25041
25042 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
25043
25044         PR bootstrap/43964
25045         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
25046         only if HONOR_REG_ALLOC_ORDER is not defined.
25047
25048 2010-05-04  Richard Guenther  <rguenther@suse.de>
25049
25050         PR tree-optimization/43949
25051         * tree-vrp.c (extract_range_from_binary_expr): Only handle
25052         TRUNC_MOD_EXPR.
25053
25054 2010-04-26  Jason Merrill  <jason@redhat.com>
25055
25056         * c.opt (-fstrict-enums): New.
25057         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
25058
25059 2010-05-03  David Ung  <davidu@mips.com>
25060             James E. Wilson  <wilson@codesourcery.com>
25061
25062         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
25063         emit the trap instruction before the divide for TUNE_74K.
25064
25065 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
25066
25067         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
25068         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
25069         based on the above, for new target hook.
25070
25071         * hooks.c (hook_bool_mode_true): New generic hook.
25072         * hooks.h (hook_bool_mode_true): Add prototype.
25073
25074         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
25075         target hook.
25076         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
25077         target hook, set to hook_bool_mode_false.
25078         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
25079         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
25080         with targetm.small_register_classes_for_mode_p.
25081         (find_reusable_reload): Likewise.
25082         (combine_reloads): Likewise.
25083         * reload1.c (reload_as_needed): Likewise.
25084         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
25085         * ifcvt.c (noce_process_if_block, check_cond_move_block,
25086         dead_or_predicable): Likewise.
25087         * regmove.c (optimize_reg_copy_1): Likewise.
25088         * calls.c (prepare_call_address): Likewise.
25089         (precompute_register_parameters): Likewise.
25090
25091         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
25092         hook definition.
25093         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
25094         implementation of the hook that considers all register classes
25095         small except for SH64.
25096         (sh_override_options): Use the new hook.
25097         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
25098         Add prototype.
25099
25100         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
25101         hook definition.
25102         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
25103         implementation of the hook that considers all register classes
25104         small for THUMB1.
25105         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
25106         Add prototype.
25107
25108         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
25109         hook definition.
25110         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
25111         implementation of the hook that considers all register classes
25112         small for MIPS16.
25113         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
25114         Add prototype.
25115
25116         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
25117         hook definition.
25118         * config/m32c/m32c.h: Likewise.
25119         * config/pdp11/pdp11.h: Likewise.
25120         * config/avr/avr.h: Likewise.
25121         * config/xtensa/xtensa.h: Likewise.
25122         * config/m68hc11/m68hc11.h: Likewise.
25123         * config/mn10300/mn10300.h: Likewise.
25124         * config/mcore/mcore.h: Likewise.
25125         * config/h8300/h8300.h: Likewise.
25126         * config/bfin/bfin.h: Likewise.
25127
25128         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
25129         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
25130
25131 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
25132
25133         * double-int.h (tree_to_double_int): Remove macro.
25134         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
25135         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
25136         (tree_to_double_int): New function.
25137         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
25138         Move ...
25139         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
25140
25141 2010-05-03  Richard Guenther  <rguenther@suse.de>
25142
25143         PR tree-optimization/43971
25144         * tree-ssa-structalias.c (get_constraint_for_1): Fix
25145         constraints in the !flag_delete_null_pointer_checks case.
25146
25147 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
25148
25149         PR debug/43972
25150         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
25151         result mode matches original rtl mode.
25152
25153 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
25154
25155         PR target/43888
25156         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
25157
25158 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
25159
25160         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
25161         when processing flag options.
25162
25163 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
25164
25165         * gcov-iov.c (main): Change format string placeholder
25166         from %#08x to 0x%08x.
25167         * genchecksum.c (dosum): Change format string placeholder
25168         from %#02x to 0x%02x.
25169
25170 2010-05-02  Richard Guenther  <rguenther@suse.de>
25171
25172         PR tree-optimization/43879
25173         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
25174
25175 2010-05-02  Bruno Haible  <bruno@clisp.org>
25176
25177         * doc/extend.texi (Function Attributes): Fix a typo.
25178
25179 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
25180
25181         Revert:
25182         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
25183         placeholder from 0x%x to %#x.
25184         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
25185         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
25186         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
25187         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
25188         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
25189         * config/i386/i386.c (ix86_target_string): Ditto.
25190         * config/i386/i386.c (output_pic_addr_const): Ditto.
25191         (print_operand): Ditto.
25192
25193 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
25194
25195         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
25196         placeholder from 0x%x to %#x.
25197         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
25198         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
25199         (ASM_OUTPUT_DEBUG_DATA): Ditto.
25200         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
25201         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
25202         * optc-gen.awk: Ditto.
25203         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
25204         (HOST_WIDE_INT_PRINT_HEX): Ditto.
25205         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
25206         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
25207
25208 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
25209
25210         * target.h (struct calls): Add function_value_regno_p field.
25211         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
25212         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
25213         * targhooks.c (default_function_value_regno_p): New function.
25214         * targhooks.h (default_function_value_regno_p): Declare function.
25215         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
25216         * builtins.c. (apply_result_size): (Ditto.).
25217         * combine.c. (likely_spilled_retval_p): (Ditto.).
25218         * mode-switching.c. Include 'target.h'.
25219         (create_pre_exit): Use function_value_regno_p hook.
25220         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
25221         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
25222         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
25223
25224         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
25225         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
25226         (ix86_function_value_regno_p): Declare as static, change argument
25227         type to const unsigned int.
25228         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
25229
25230 2010-05-01  Richard Guenther  <rguenther@suse.de>
25231
25232         PR tree-optimization/43949
25233         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
25234         types.
25235         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
25236
25237 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
25238
25239         * rtl.h (CONST_DOUBLE_P): Define.
25240         (rtx_to_double_int): Declare.
25241         * emit-rtl.c (rtx_to_double_int): New function.
25242         * dwarf2out.c (insert_double): New function.
25243         (loc_descriptor, add_const_value_attribute): Clean up, use
25244         rtx_to_double_int and insert_double functions.
25245
25246 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
25247
25248         * doc/extend.texi (Inline): Add missing return keyword to examples.
25249         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
25250         "command-line".
25251
25252 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
25253
25254         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
25255         the variable part of the offset as well.  Use highest_pow2_factor for
25256         all alignment checks.
25257
25258 2010-04-30  Richard Guenther  <rguenther@suse.de>
25259
25260         PR tree-optimization/43879
25261         * tree-ssa-structalias.c (type_could_have_pointers): Functions
25262         can have pointers.
25263
25264 2010-04-30  Jan Hubicka  <jh@suse.cz>
25265
25266         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
25267         varpool.
25268         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
25269
25270 2010-04-30  Jan Hubicka  <jh@suse.cz>
25271
25272         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
25273         New.
25274         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
25275         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
25276         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
25277         cgraph_node_set_needs_ltrans_p): Remove.
25278
25279 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
25280
25281         * sdbout.c: Include vec.h, do not include varray.h.
25282         (deferred_global_decls, sdbout_global_decl,
25283         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
25284         * toplev.c: Do not include varray.h.
25285         (dump_memory_report): Do not dump VARRAY statistics.
25286         * gengtype.c (open_base_file): Ignore varray.h.
25287         * Makefile.in: Update for abovementioned changes.
25288         Remove all traces of varray.c and varray.h.
25289         * varray.c: Remove file.
25290         * varray.h: Remove file.
25291
25292 2010-04-30  Jan Hubicka  <jh@suse.cz>
25293
25294         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
25295         references.
25296
25297 2010-04-30  Jan Hubicka  <jh@suse.cz>
25298
25299         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
25300         needed.
25301
25302 2010-04-30  Richard Guenther  <rguenther@suse.de>
25303
25304         * tree-ssa-structalias.c (get_constraint_for_1): Generate
25305         constraints for CONSTRUCTOR.
25306
25307 2010-04-30  Richard Guenther  <rguenther@suse.de>
25308
25309         PR lto/43946
25310         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
25311         first after all lowering passes.
25312
25313 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
25314
25315         * toplev.c: Include varray.h for statistics dumping.
25316         * tree.h: Do not declare varray_head_tag.
25317         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
25318         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
25319         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
25320         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
25321         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
25322         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
25323         c-common.c, c-common.h, reg-stack.c, basic-block.h,
25324         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
25325         include varray.h.
25326         * Makefile.in: Update for abovementioned changes.
25327
25328 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
25329
25330         PR debug/43942
25331         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
25332
25333 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
25334
25335         * config/picochip/picochip.c (picochip_legitimize_address): Define.
25336         Use this function to do machine-specific conversion.
25337         (picochip_legitimize_reload_address): Likewise.
25338         (picochip_legitimate_address_p): Check valid base register only if
25339         strict.
25340         (picochip_check_conditional_copy): Check for modw only if opnd is
25341         register.
25342         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
25343         to call the function in c.
25344         * config/picochip/picochip-protos.h
25345         (picochip_legitimize_reload_address): Define.
25346         * config/picochip/picochip.md (supported_compare1): Define.
25347
25348 2010-04-30  Jan Hubicka  <jh@suse.cz>
25349
25350         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
25351         (cgraph_global_info): Remove inlined.
25352         (LTO_cgraph_tag_names): Remove.
25353         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
25354         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
25355         simplify cgraph tags and document.
25356         (lto_output_node): Use only LTO_cgraph_unavail_node and
25357         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
25358         for_functions_valid, global info, process and output flags.
25359         (input_overwrite_node): Initialize estimated stack size and
25360         estimated growth.  Do not read flags we no longer store.
25361         (input_node): Likewise do not read info no longer stored.
25362         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
25363         flag.
25364
25365 2010-04-30  Richard Guenther  <rguenther@suse.de>
25366
25367         PR tree-optimization/43879
25368         * tree-ssa-structalias.c (get_constraint_for_1): Properly
25369         handle non-zero initializers.
25370
25371 2010-04-30  Richard Guenther  <rguenther@suse.de>
25372
25373         * builtins.c (fold_builtin_1): Delete free (0).
25374
25375 2010-04-29  Jan Hubicka  <jh@suse.cz>
25376
25377         * gengtype.c (open_base_files): Add lto-streamer.h
25378         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
25379         (pass_ipa_cp): GGC collect.
25380         * toplev. (compile_file): Do not output symbols.
25381         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
25382         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
25383         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
25384         * lto-section-in.c: Include ggc.h
25385         (lto_new_in_decl_state): Alloc in GGC.
25386         (lto_delete_in_decl_state): Likewise.
25387         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
25388         Collect.
25389
25390 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
25391
25392         PR target/42895
25393         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
25394         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
25395         (HONOR_REG_ALLOC_ORDER): Describe new macro.
25396         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
25397         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
25398         account only if HONOR_REG_ALLOC_ORDER is not defined.
25399         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
25400         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
25401
25402 2010-04-29  Jon Grant  <04@jguk.org>
25403
25404         * collect2.c (vflag): Change type from int to bool.
25405         (debug): Likewise.
25406         (helpflag): New global bool.
25407         (main): Set vflag and debug with boolean, not integer truth values.
25408         Accept new "--help" option and output usage text if found.
25409         * collect2.h (vflag): Update prototype.
25410         (debug): Likewise.
25411
25412 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
25413
25414         PR bootstrap/43936
25415         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
25416
25417 2010-04-29  Richard Guenther  <rguenther@suse.de>
25418
25419         PR bootstrap/43935
25420         * plugin.h (invoke_plugin_callbacks): Annotate arguments
25421         with ATTRIBUTE_UNUSED.
25422
25423 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
25424
25425         PR target/43921
25426         * config/i386/i386.c (get_some_local_dynamic_name): Replace
25427         INSN_P with NONDEBUG_INSN_P.
25428         (distance_non_agu_define): Likewise.
25429         (distance_agu_use): Likewise.
25430
25431 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
25432
25433         From Dominique d'Humieres  <dominiq@lps.ens.fr>
25434         PR bootstrap/43858
25435         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
25436         test_set.
25437
25438 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
25439
25440         * plugin.h (invoke_plugin_callbacks): New inline function.
25441         * plugin.c (flag_plugin_added): New global flag.
25442         (add_new_plugin): Initialize above flag.
25443         (invoke_plugin_callbacks): Rename to ...
25444         (invoke_plugin_callbacks_full): ... this.
25445
25446 2010-04-28  Jan Hubicka  <jh@suse.cz>
25447
25448         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
25449         (lto_varpool_replace_node): New.
25450         (lto_symtab_resolve_symbols): Resolve varpool nodes.
25451         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
25452         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
25453         * cgraph.h (varpool_node_ptr): New type.
25454         (varpool_node_ptr): New vector.
25455         (varpool_node_set_def): New structure.
25456         (varpool_node_set): New type.
25457         (varpool_node_set): New vector.
25458         (varpool_node_set_element_def): New structure.
25459         (varpool_node_set_element, const_varpool_node_set_element): New types.
25460         (varpool_node_set_iterator): New type.
25461         (varpool_node): Add prev pointers, add used_from_other_partition,
25462         in_other_partition.
25463         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
25464         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
25465         varpool_get_node, varpool_remove_node): Declare.
25466         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
25467         varpool_node_set_size): New inlines.
25468         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
25469         * tree-pass.h (varpool_node_set_def): Forward declare.
25470         (ipa_opt_pass_d): Summary writting takes vnode sets too.
25471         (ipa_write_optimization_summaries): Update prototype.
25472         * ipa-cp.c (ipcp_write_summary): Update.
25473         * ipa-reference.c (ipa_reference_write_summary): Update.
25474         * lto-cgraph.c (lto_output_varpool_node): New static function.
25475         (output_varpool): New function.
25476         (input_varpool_node): New static function.
25477         (input_varpool_1): New function.
25478         (input_cgraph): Input varpool.
25479         * ipa-pure-const.c (pure_const_write_summary): Update.
25480         * lto-streamer-out.c (lto_output): Update, output varpool too.
25481         (write_global_stream): Kill WPA hack.
25482         (produce_asm_for_decls): Update.
25483         (output_alias_pair_p): Handle variables.
25484         (output_unreferenced_globals): Output only needed partition of varpool.
25485         * ipa-inline.c (inline_write_summary): Update.
25486         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
25487         cgraph.
25488         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
25489         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
25490         varpool_node_set_new, varpool_node_set_add,
25491         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
25492         debug_varpool_node_set): New functions.
25493         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
25494         (execute_one_pass): Process new decls too.
25495         (ipa_write_summaries_2): Pass around vsets.
25496         (ipa_write_summaries_1): Likewise.
25497         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
25498         to add.
25499         (ipa_write_optimization_summaries_1): Pass around vsets.
25500         (ipa_write_optimization_summaries): Likewise.
25501         * varpool.c (varpool_get_node): New.
25502         (varpool_node): Update doubly linked lists.
25503         (varpool_remove_node): New.
25504         (dump_varpool_node): More dumping.
25505         (varpool_enqueue_needed_node): Update doubly linked lists.
25506         (decide_is_variable_needed): Kill ltrans hack.
25507         (varpool_finalize_decl): Kill lto hack.
25508         (varpool_assemble_decl): Skip decls in other partitions.
25509         (varpool_assemble_pending_decls): Update doubly linkes lists.
25510         (varpool_empty_needed_queue): Likewise.
25511         (varpool_extra_name_alias): Likewise.
25512         * lto-streamer.c (lto_get_section_name): Add vars section.
25513         * lto-streamer.h (lto_section_type): Update.
25514         (output_varpool, input_varpool): Declare.
25515
25516 2010-04-28  Mike Stump  <mikestump@comcast.net>
25517
25518         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
25519
25520 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
25521
25522         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
25523         record or union type with RECORD_OR_UNION_TYPE_P predicate.
25524         (lto_input_ts_type_tree_pointers): Likewise.
25525         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
25526         (lto_output_ts_type_tree_pointers): Likewise.
25527
25528 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
25529
25530         Uniquization of constants at the Tree level
25531         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
25532         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
25533         bit to the end.
25534         (tree_output_constant_def): Declare.
25535         * gimplify.c (gimplify_init_constructor): When using block copy, first
25536         uniquize the constant constructor on the RHS.
25537         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
25538         DECL_IN_CONSTANT_POOL flag.
25539         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
25540         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
25541         constant pool.
25542         (assemble_variable): Deal with symbols belonging to the tree constant
25543         pool.
25544         (get_constant_section): Add ALIGN parameter and simplify.
25545         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
25546         (assemble_constant_contents): Use the expression of the VAR_DECL.
25547         (output_constant_def_contents): Use the alignment of the VAR_DECL.
25548         (tree_output_constant_def): New global function.
25549         (mark_constant): Use the expression of the VAR_DECL.
25550         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
25551         its expression.
25552         (output_object_block): Likewise and assemble the expression.
25553
25554 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
25555
25556         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
25557         hash_tree, eq_tree): New tree hash table.
25558         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
25559         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
25560         lto_orig_address_remove): Reimplement.
25561
25562 2010-04-28  Xinliang David Li  <davidxl@google.com>
25563
25564         PR c/42643
25565         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
25566         (compute_uninit_opnds_pos): New function.
25567         (is_non_loop_exit_postdominating): New function.
25568         (compute_control_dep_chain): New function.
25569         (find_pdom): New function.
25570         (convert_control_dep_chain_into_preds): New function.
25571         (find_predicates): New function.
25572         (find_control_equiv_block): New function.
25573         (collect_phi_def_edges): New function.
25574         (find_def_preds): New function.
25575         (find_dom): New function.
25576         (dump_predicates): New function.
25577         (get_cmp_code): New function.
25578         (is_value_included_in): New function.
25579         (find_matching_predicate_in_rest_chains): New function.
25580         (use_pred_not_overlap_with_undef_path_pred): New function.
25581         (is_use_properly_guarded): New function.
25582         (normalize_cond_1): New function.
25583         (is_and_or_or): New function.
25584         (normalize_cond): New function.
25585         (is_gcond_subset_of): New function.
25586         (is_subset_of_any): New function.
25587         (is_or_set_subset_of): New function.
25588         (is_and_set_subset_of): New function.
25589         (is_norm_cond_subset_of): New function.
25590         (is_pred_expr_subset_of): New function.
25591         (is_pred_chain_subset_of): New function.
25592         (is_included_in): New function.
25593         (is_superset_of): New function.
25594         (find_uninit_use): New function.
25595         (warn_uninitialized_phi): New function.
25596         (compute_possibly_undefined_names): New function.
25597         (ssa_undefined_value_p): New function.
25598         (execute_late_warn_uninitialized): New function.
25599         * tree-ssa.c (ssa_undefined_value_p): Removed.
25600         (warn_uninit): Changed to extern.
25601         (warn_uninitialized_phi): Removed.
25602         (warn_uninitialized_vars): Changed to extern.
25603         (execute_late_warn_uninitialized): Removed
25604         * tree-flow.h: Add new prototypes.
25605         * timevar.def: Add new time variable.
25606         * Makefile.in: Add new build file.
25607
25608 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
25609
25610         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
25611         type if available.
25612
25613 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25614
25615         PR target/22224
25616         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
25617
25618 2010-04-28  Martin Jambor  <mjambor@suse.cz>
25619
25620         * cgraph.h (struct cgraph_node): New field indirect_calls.
25621         (struct cgraph_indirect_call_info): New type.
25622         (struct cgraph_edge): Removed field indirect_call. New fields
25623         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
25624         (cgraph_create_indirect_edge): Declare.
25625         (cgraph_make_edge_direct): Likewise.
25626         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
25627         * ipa-prop.h (struct ipa_param_call_note): Removed.
25628         (struct ipa_node_params): Removed field param_calls.
25629         (ipa_create_all_structures_for_iinln): Declare.
25630         * cgraph.c: Described indirect edges and uids in initial comment.
25631         (cgraph_add_edge_to_call_site_hash): New function.
25632         (cgraph_edge): Search also among the indirect edges, use
25633         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
25634         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
25635         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
25636         site hash.
25637         (initialize_inline_failed): Assign a reason to indirect edges.
25638         (cgraph_create_edge_1): New function.
25639         (cgraph_create_edge): Moved some functionality to
25640         cgraph_create_edge_1.
25641         (cgraph_create_indirect_edge): New function.
25642         (cgraph_edge_remove_callee): Add an assert checking for
25643         non-indirectness.
25644         (cgraph_edge_remove_caller): Special-case indirect edges.
25645         (cgraph_remove_edge): Likewise.
25646         (cgraph_set_edge_callee): New function.
25647         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
25648         (cgraph_make_edge_direct): New function.
25649         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
25650         the declaration of the call statement matches.
25651         (cgraph_node_remove_callees): Special-case indirect edges.
25652         (cgraph_clone_edge): Likewise.
25653         (cgraph_clone_node): Clone also the indirect edges.
25654         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
25655         indirect_call, dump count of indirect_calls edges.
25656         * ipa-prop.c (iinlining_processed_edges): New variable.
25657         (ipa_note_param_call): Create indirect edges instead of
25658         creating notes.  New parameter node.
25659         (ipa_analyze_call_uses): New parameter node, pass it on to
25660         ipa_note_param_call.
25661         (ipa_analyze_stmt_uses): Likewise.
25662         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
25663         (print_edge_addition_message): Work on edges rather than on notes.
25664         (update_call_notes_after_inlining): Likewise, renamed to
25665         update_indirect_edges_after_inlining.
25666         (ipa_create_all_structures_for_iinln): New function.
25667         (ipa_free_node_params_substructures): Do not free notes.
25668         (ipa_edge_duplication_hook): Propagate bits within
25669         iinlining_processed_edges bitmap.
25670         (ipa_node_duplication_hook): Do not duplicate notes.
25671         (free_all_ipa_structures_after_ipa_cp): Renamed to
25672         ipa_free_all_structures_after_ipa_cp.
25673         (free_all_ipa_structures_after_iinln): Renamed to
25674         ipa_free_all_structures_after_iinln.
25675         (ipa_write_param_call_note): Removed.
25676         (ipa_read_param_call_note): Removed.
25677         (ipa_write_indirect_edge_info): New function.
25678         (ipa_read_indirect_edge_info): Likewise.
25679         (ipa_write_node_info): Do not stream notes, do stream information
25680         in indirect edges.
25681         (ipa_read_node_info): Likewise.
25682         (lto_ipa_fixup_call_notes): Removed.
25683         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
25684         * ipa-inline.c (pass_ipa_inline): Likewise.
25685         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
25686         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
25687         * tree-inline.c (copy_bb): Removed an unnecessary double check for
25688         is_gimple_call.
25689         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
25690         edges.
25691         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
25692         (output_cgraph): Stream also indirect edges.
25693         (lto_output_edge): Added capability to stream indirect edges.
25694         (input_edge): Likewise.
25695         (input_cgraph_1): Likewise.
25696         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
25697         of indirect edges.
25698
25699 2010-04-28  Richard Guenther  <rguenther@suse.de>
25700
25701         PR tree-optimization/43879
25702         PR tree-optimization/43909
25703         * tree-ssa-structalias.c (struct variable_info): Add
25704         only_restrict_pointers flag.
25705         (new_var_info): Initialize it.  Increment stats.total_vars here.
25706         (create_function_info_for): Do not increment stats.total_vars here.
25707         (get_function_part_constraint): Fix build with C++.
25708         (insert_into_field_list): Remove.
25709         (push_fields_onto_fieldstack): Properly merge fields.
25710         (create_variable_info_for): Split and simplify.
25711         (create_variable_info_for_1): New piece.
25712         (intra_create_variable_infos): Properly make restrict constraints
25713         from parameters.
25714
25715 2010-04-28  Richard Guenther  <rguenther@suse.de>
25716
25717         PR c++/43880
25718         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
25719
25720 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25721             Jan Hubicka  <hubicka@ucw.cz>
25722
25723         * doc/invoke.texi (-Wsuggest-attribute=const,
25724         -Wsuggest-attribute=pure): Document.
25725         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
25726         (function_always_visible_to_compiler_p,
25727         suggest_attribute, warn_function_pure, warn_function_const):
25728         New functions.
25729         (check_call): Improve debug info.
25730         (analyze_function): Do not check availability.
25731         (add_new_function): Check availability.
25732         (propagate): Output warnings.
25733         (skip_function_for_local_pure_const): New function.
25734         (local_pure_const): Use it; output warnings.
25735         * common.opt (Wsuggest-attribute=const,
25736         Wsuggest-attribute=pure): New.
25737
25738 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
25739
25740         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
25741         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
25742         or DW_CFA_def_cfa_offset{,_sf}.
25743
25744 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
25745
25746         * tree.h: Fix truncated long macros.
25747
25748 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
25749
25750         * collect2.c (TARGET_64BIT): Redefine to target's default.
25751         * tlink.c: Likewise.
25752         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
25753         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
25754         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
25755         for underscoring __USER_LABEL_PREFIX__.
25756         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
25757         (SUB_LINK_ENTRY32): New.
25758         (SUB_LINK_ENTRY64): New.
25759         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
25760         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
25761         (SUB_LINK_ENTRY64): New.
25762         (SUB_LINK_ENTRY): New.
25763         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
25764         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
25765         x64 target is choosen.
25766         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
25767         * configure: Regenerated.
25768         * configure.ac (leading-mingw64-underscores): Option added.
25769
25770 2010-04-27  Jan Hubicka  <jh@suse.cz>
25771
25772         * doc/invoke.texi (-fipa-profile): Document.
25773         * opts.c (decode_options): Enable ipa-profile at -O1.
25774         * timevar.def (TV_IPA_PROFILE): Define.
25775         * common.opt (fipa-profile): Add.
25776         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
25777         flag for clones.
25778         (cgraph_propagate_frequency): Handle only local ones.
25779         * tree-pass.h (pass_ipa_profile): Declare.
25780         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
25781         (pass_ipa_profile): Use TV_IPA_PROFILE.
25782         * ipa.c (ipa_profile): New function.
25783         (gate_ipa_profile): Likewise.
25784         (pass_ipa_profile): New global variable.
25785         * passes.c (pass_ipa_profile): New.
25786
25787 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
25788
25789         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
25790
25791 2010-04-27  Martin Jambor  <mjambor@suse.cz>
25792
25793         PR middle-end/43812
25794         * ipa.c (dissolve_same_comdat_group_list): New function.
25795         (function_and_variable_visibility): Call
25796         dissolve_same_comdat_group_list when comdat group contains external or
25797         newly local nodes.
25798         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
25799         lists are circular and that they contain only DECL_ONE_ONLY nodes.
25800
25801 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
25802
25803         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
25804         (const_hash_1) <VECTOR_CST>: New case.
25805         (compare_constant) <VECTOR_CST>: Likewise.
25806         <ADDR_EXPR>: Deal with LABEL_REFs.
25807         (copy_constant) <VECTOR_CST>: New case.
25808
25809 2010-04-27  Jan Hubicka  <jh@suse.cz>
25810
25811         * cgraph.c (cgraph_propagate_frequency): New function.
25812         * cgraph.h (cgraph_propagate_frequency): Declare.
25813         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
25814         cgraph_propagate_frequency.
25815
25816 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
25817
25818         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
25819
25820 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
25821
25822         PR target/40657
25823         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
25824         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
25825         here to determine which regs to push and how much stack to reserve.
25826
25827 2010-04-27  Jie Zhang  <jie@codesourcery.com>
25828
25829         * doc/gimple.texi (gimple_statement_with_ops): Remove
25830         addresses_taken field.
25831         (gimple_statement_with_memory_ops): Likewise.
25832
25833 2010-04-27  Jan Hubicka  <jh@suse.cz>
25834
25835         * tree-inline.c (eni_inlining_weights): Remove.
25836         (estimate_num_insns): Special case more builtins.
25837
25838 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
25839
25840         PR c/32207
25841         * c-typeck.c (build_binary_op): Move forward check for comparison
25842         pointer with null pointer constant and adjust the diagnostic message.
25843
25844 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
25845
25846         PR lto/42776
25847         * configure.ac (gcc_cv_as_section_has_align): Set if installed
25848         binutils supports extended .section directive needed by LTO, or
25849         warn if older binutils found.
25850         (LTO_BINARY_READER): New AC_SUBST'd variable.
25851         (LTO_USE_LIBELF): Likewise.
25852         * config.gcc (lto_binary_reader): New target-specific configure
25853         variable.
25854         * Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
25855         (LTO_USE_LIBELF): Likewise.
25856         * configure: Regenerate.
25857
25858         * collect2.c (is_elf): Rename from this ...
25859         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
25860          object files in addition to ELF-formatted ones.
25861         (scan_prog_file): Caller updated.  Also allow for LTO info marker
25862         symbol to be prefixed or not by an extra underscore.
25863
25864         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
25865         * config/i386/winnt.c: Also #include lto-streamer.h
25866         (i386_pe_asm_named_section): Specify 1-byte section alignment for
25867         LTO named sections.
25868         (i386_pe_asm_output_aligned_decl_common): Add comment.
25869         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
25870
25871 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
25872
25873         PR target/43889
25874         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
25875         Add missing earlyclobber for second alternative.
25876
25877 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
25878
25879         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
25880         bits for artificial defs at the top of the block.
25881         * fwprop.c (single_def_use_enter_block): Don't call it.
25882
25883 2010-04-26  Jack Howarth  <howarth@bromo.med.uc.edu>
25884
25885         PR 43715
25886         * configure.ac: Use "$gcc_cv_nm -g" on darwin
25887         instead of "$gcc_cv_objdump -T".
25888         Use "-undefined dynamic_lookup" on darwin.
25889         * configure: Regenerate.
25890
25891 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
25892
25893         PR c/43893
25894         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
25895
25896 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
25897
25898         * c-parser.c (struct c_token): Move location field up.
25899         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
25900         (struct c_declspecs): Convert typespec_word, storage_class, and
25901         default_int_p into bitfields.
25902         (struct c_declarator): Move loc field up.
25903
25904 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
25905
25906         * cfgloop.h (struct loop): Move can_be_parallel field up.
25907         * ipa-prop.h (struct ip_node_params): Move bitfields up.
25908         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
25909         down.
25910         (struct iv_cand): Convert pos field into a bitfield.
25911         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
25912         field up.
25913         (struct _stmt_vec_info): Shuffle fields for better packing.
25914
25915 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
25916
25917         * varasm.c (IN_NAMED_SECTION): Remove guard.
25918         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
25919         (IN_NAMED_SECTION_P): ...this.
25920         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
25921         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
25922
25923 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
25924
25925         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
25926         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
25927         of shadowing it.  Fix comments.
25928
25929 2010-04-26  Jan Hubicka  <jh@suse.cz>
25930
25931         * cgraph.c (cgraph_create_node): Set node frequency to normal.
25932         (cgraph_clone_node): Copy function frequency.
25933         * cgraph.h (node_frequency): New enum
25934         (struct cgraph_node): Add.
25935         * final.c (rest_of_clean_state): Update.
25936         * lto-cgraph.c (lto_output_node): Output node frequency.
25937         (input_overwrite_node): Input node frequency.
25938         * tre-ssa-loop-ivopts (computation_cost): Update.
25939         * lto-streamer-out.c (output_function): Do not output function
25940         frequency.
25941         * predict.c (maybe_hot_frequency_p): Update and handle functions
25942         executed once.
25943         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
25944         attribute lookup.
25945         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
25946         (compute_function_frequency): Set noreturn functions to be executed
25947         once.
25948         (choose_function_section): Update.
25949         * lto-streamer-in.c (input_function): Do not input function frequency.
25950         * function.c (allocate_struct_function): Do not initialize function
25951         frequency.
25952         * function.h (function_frequency): Remove.
25953         (struct function): Remove function frequency.
25954         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
25955         (try_update): Update.
25956         * tree-inline.c (initialize_cfun): Do not update function frequency.
25957         * passes.c (pass_init_dump_file): Update.
25958         * i386.c (ix86_compute_frame_layout): Update.
25959         (ix86_pad_returns): Update.
25960
25961 2010-04-26  Jie Zhang  <jie@codesourcery.com>
25962
25963         PR tree-optimization/43833
25964         * tree-vrp.c (range_int_cst_p): New.
25965         (range_int_cst_singleton_p): New.
25966         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
25967         when both operands are constants.  Use range_int_cst_p in
25968         BIT_IOR_EXPR case.
25969
25970 2010-04-26  Jan Hubicka  <jh@suse.cz>
25971
25972         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
25973
25974 2010-04-26  Richard Guenther  <rguenther@suse.de>
25975
25976         PR lto/43080
25977         * gimple.c (gimple_decl_printable_name): Deal gracefully
25978         with a NULL DECL_NAME.
25979
25980 2010-04-26  Richard Guenther  <rguenther@suse.de>
25981
25982         PR lto/42425
25983         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
25984         if emitting debug information and it is either a function
25985         or a namespace decl.
25986
25987 2010-04-26  Ira Rosen  <irar@il.ibm.com>
25988
25989         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
25990         determine if the statement is vectorizable, and a macro to access it.
25991         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
25992         Skip statements that can't be vectorized. If the analysis fails,
25993         mark the statement as unvectorizable if vectorizing basic block.
25994         (vect_compute_data_refs_alignment): Likewise.
25995         (vect_verify_datarefs_alignment): Skip statements marked as
25996         unvectorizable. Add print.
25997         (vect_analyze_group_access): Skip statements that can't be
25998         vectorized. If the analysis fails, mark the statement as
25999         unvectorizable if vectorizing basic block.
26000         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
26001         * tree-vect-stmts.c (vectorizable_store): Fix the number of
26002         generated stmts for SLP.
26003         (new_stmt_vec_info): Initialize the new field.
26004         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
26005         statements marked as unvectorizable.
26006
26007 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
26008
26009         * c-common.c (flag_isoc1x): New.
26010         (flag_isoc99): Update comment.
26011         * c-common.h (flag_isoc1x): New.
26012         (flag_isoc99): Update comment.
26013         * c-cppbuiltin.c (builtin_define_float_constants): Also define
26014         __<type>_DECIMAL_DIG__.
26015         * c-opts.c (set_std_c1x): New.
26016         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
26017         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
26018         * c.opt (-std=c1x, -std=gnu1x): New options.
26019         * doc/cpp.texi: Mention -std=c1x.
26020         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
26021         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
26022         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
26023         * doc/standards.texi: Mention C1X.
26024         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
26025         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
26026         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
26027         Define for C1X.
26028
26029 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
26030
26031         * config/i386/gmon-sol2.c (_mcleanup): Change format string
26032         placeholder from 0x%x to %#x.
26033         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
26034         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
26035         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
26036         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
26037         * config/i386/i386.c (ix86_target_string): Ditto.
26038         (output_pic_addr_const): Ditto.
26039         (print_operand): Ditto.
26040
26041 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
26042
26043         * combine.c (find_split_point): Add third argument.  Use it
26044         to find nested multiply-accumulate instructions.  Adjust calls.
26045         (try_combine): Adjust call to find_split_point.
26046
26047 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
26048
26049         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
26050
26051 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
26052
26053         PR tree-optimization/41442
26054         * fold-const.c (merge_truthop_with_opposite_arm): New function.
26055         (fold_binary_loc): Call it.
26056
26057 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26058
26059         * toplev.c (general_init): Set default for fdiagnostics-show-option.
26060         * opts.c (common_handle_option): Allow disabling it.
26061         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
26062
26063 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
26064
26065         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
26066         between modes if both types are integral.
26067
26068 2010-04-23  Richard Guenther  <rguenther@suse.de>
26069
26070         PR tree-optimization/43572
26071         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
26072
26073 2010-04-23  Richard Guenther  <rguenther@suse.de>
26074
26075         PR lto/43455
26076         * tree-inline.c (tree_can_inline_p): Also check compatibility
26077         of return types.
26078
26079 2010-04-23  Martin Jambor  <mjambor@suse.cz>
26080
26081         PR tree-optimization/43846
26082         * tree-sra.c (struct access): New flag grp_assignment_read.
26083         (build_accesses_from_assign): Set grp_assignment_read.
26084         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
26085         (enum mark_read_status): New type.
26086         (analyze_access_subtree): Propagate grp_assignment_read, create
26087         accesses also if both direct_read and root->grp_assignment_read.
26088
26089 2010-04-23  Martin Jambor  <mjambor@suse.cz>
26090
26091         PR middle-end/43835
26092         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
26093         function does not have type attributes.
26094
26095 2010-04-23  Richard Guenther  <rguenther@suse.de>
26096
26097         PR lto/42653
26098         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
26099         of FUNCTION_DECLs.
26100
26101 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
26102
26103         * sese.h (create_if_region_on_edge): Remove.
26104
26105         * sese.c (create_if_region_on_edge): Make static.
26106
26107         * tree-inline.c: Do not include ggc.h.
26108
26109         * expr.c: Do not include ggc.h.
26110
26111         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
26112         dependencies.
26113
26114 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
26115
26116         PR target/43744
26117         * config/sh/sh.c (find_barrier): Don't emit a constant pool
26118         in the middle of insns for casesi_worker_2.
26119
26120 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
26121
26122         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
26123
26124 2010-04-22  Ira Rosen  <irar@il.ibm.com>
26125
26126         PR tree-optimization/43842
26127         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
26128         loop unrolling in update of exit phis. Fix comment.
26129         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
26130         least two reduction statements in the loop before starting SLP
26131         analysis.
26132
26133 2010-04-22  Nick Clifton  <nickc@redhat.com>
26134
26135         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
26136
26137 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
26138
26139         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
26140         to simplify a + ~a.
26141
26142 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
26143
26144         * tree-parloops.c (loop_parallel_p): New argument
26145         parloop_obstack.  Pass it down.
26146         (parallelize_loops): New variable parloop_obstack.  Initialize it,
26147         pass it down, free it.
26148
26149         * tree-loop-linear.c (linear_transform_loops): Pass down
26150         lambda_obstack.
26151
26152         * tree-data-ref.h (lambda_compute_access_matrices): New argument
26153         of type struct obstack *.
26154
26155         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
26156         scratch_obstack.  Initialize it, pass down, free it.
26157
26158         * lambda.h (lambda_loop_new): Remove.
26159         (lambda_matrix_new, lambda_matrix_inverse)
26160         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
26161         argument of type struct obstack *.
26162
26163         * lambda-trans.c (lambda_trans_matrix_new): New argument
26164         lambda_obstack.  Pass it down, use obstack allocation for ret.
26165         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
26166         it down.
26167
26168         * lambda-mat.c (lambda_matrix_get_column)
26169         (lambda_matrix_project_to_null): Remove.
26170         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
26171         allocation for mat.
26172         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
26173         lambda_obstack.
26174
26175         * lambda-code.c (lambda_loop_new): New function.
26176         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
26177         (lambda_compute_auxillary_space, lambda_compute_target_space)
26178         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
26179         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
26180         (build_access_matrix): New argument lambda_obstack.  Use obstack
26181         allocation for am.
26182         (lambda_compute_step_signs, lambda_compute_access_matrices): New
26183         argument lambda_obstack.  Pass it down.
26184
26185 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
26186
26187         * optabs.h (expand_widening_mult): Declare.
26188
26189 2010-04-22  Richard Guenther  <rguenther@suse.de>
26190
26191         PR tree-optimization/43845
26192         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
26193         lookup the CALL_EXPR function and arguments.
26194
26195 2010-04-22  Nick Clifton  <nickc@redhat.com>
26196
26197         * config/stormy16/stormy16.c
26198         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
26199         * config/stormy16/stormy16.h: Tidy up formatting.
26200         (DONT_USE_BUILTIN_SETJMP): Remove definition.
26201         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
26202         (ineqbranchsi): Delete pattern.
26203         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
26204         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
26205         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
26206         stormy16-lib2-ucmpsi2.c.
26207
26208 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
26209
26210         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
26211         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
26212         extra set merge_set_noclobber, and use it to relax the final test
26213         slightly.
26214         * df.h (df_simulate_find_noclobber_defs): Declare.
26215         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
26216         conditional defs.
26217         (df_simulate_find_noclobber_defs): New function.
26218
26219 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
26220
26221         * config/i386/i386.md: Use {} around multi-line preparation statements.
26222
26223 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
26224
26225         * c-tree.h (push_init_level, pop_init_level, set_init_index)
26226         (process_init_element): New argument of type struct obstack *.
26227
26228         * c-typeck.c (push_init_level, pop_init_level, set_designator)
26229         (set_init_index, set_init_label, set_nonincremental_init)
26230         (set_nonincremental_init_from_string, find_init_member)
26231         (output_init_element, output_pending_init_elements)
26232         (process_init_element): New argument braced_init_obstack.  Pass it
26233         down.
26234         (push_range_stack, add_pending_init): New argument
26235         braced_init_obstack.  Use obstack allocation.
26236
26237         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
26238         braced_init_obstack.  Pass it down.
26239         (c_parser_braced_init): New variables ret, braced_init_obstack.
26240         Initialize obstack, pass it down and finally free it.
26241
26242 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
26243
26244         PR middle-end/29274
26245         * tree-pass.h (pass_optimize_widening_mul): Declare.
26246         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
26247         gate_optimize_widening_mul): New static functions.
26248         (pass_optimize_widening_mul): New.
26249         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
26250         <case MULT_EXPR>: Remove support for widening multiplies.
26251         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
26252         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
26253         simplify_gen_unary rather than directly building extensions.
26254         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
26255         WIDEN_MULT_EXPR.
26256         * expmed.c (expand_widening_mult): New function.
26257         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
26258
26259 2010-04-21  Jan Hubicka  <jh@suse.cz>
26260
26261         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
26262         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
26263         * lto-wpa-fixup.c: Remove.
26264         * Makefile.in (lto-wpa-fixup.o): Remove.
26265         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
26266         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
26267         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
26268
26269 2010-04-21  Jan Hubicka  <jh@suse.cz>
26270
26271         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
26272         add write_optimization_summary, read_optimization_summary.
26273         (ipa_write_summaries_of_cgraph_node_set): Remove.
26274         (ipa_write_optimization_summaries): Declare.
26275         (ipa_read_optimization_summaries): Declare.
26276         * ipa-cp.c (pass_ipa_cp): Update.
26277         * ipa-reference.c (pass_ipa_reference): Update.
26278         * ipa-pure-const.c (pass_ipa_pure_const): Update.
26279         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
26280         Update.
26281         * ipa-inline.c (pass_ipa_inline): Update.
26282         * ipa.c (pass_ipa_whole_program): Update.
26283         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
26284         * passes.c (ipa_write_summaries_1): Do not test wpa.
26285         (ipa_write_optimization_summaries_1): New.
26286         (ipa_write_optimization_summaries): New.
26287         (ipa_read_summaries): Do not test ltrans.
26288         (ipa_read_optimization_summaries_1): New.
26289         (ipa_read_optimization_summaries): New.
26290
26291 2010-04-21  Jan Hubicka  <jh@suse.cz>
26292
26293         * lto-cgraph.c (lto_output_node): Do not output comdat groups
26294         for boundary nodes.
26295         (output_cgraph): Do not arrange comdat groups for boundary nodes.
26296
26297 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
26298
26299         PR debug/40040
26300         * dwarf2out.c (add_name_and_src_coords_attributes): Add
26301         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
26302
26303 2010-04-21  Jan Hubicka  <jh@suse.cz>
26304
26305         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
26306
26307 2010-04-21  Jan Hubicka  <jh@suse.cz>
26308
26309         * varpool.c (decide_is_variable_needed): Variable is always needed
26310         during ltrans.
26311
26312 2010-04-21  Jan Hubicka  <jh@suse.cz>
26313
26314         * opts.c (decode_options): Enable pure-const pass for whopr.
26315
26316 2010-04-21  Jan Hubicka  <jh@suse.cz>
26317
26318         * cgraph.c (dump_cgraph_node): Dump also assembler name.
26319         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
26320         at WPA dumping.
26321         (cgraph_decide_inlining): Do not expect callee to be removed in all
26322         cases.
26323
26324 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
26325
26326         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
26327
26328 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
26329
26330         * config/i386/i386.md (x86_shrd): Add athlon_decode and
26331         amdfam10_decode attributes.
26332
26333 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
26334
26335         PR middle-end/43570
26336         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
26337         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
26338         (lower_copyprivate_clauses): Use private var in outer
26339         context instead of original var.  Make sure the types
26340         are correct for VLAs.
26341
26342 2010-04-21  Richard Guenther  <rguenther@suse.de>
26343
26344         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
26345         to non-pointer objects.
26346
26347 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
26348
26349         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
26350         last chain entry if it starts with the still current label.
26351         (add_location_or_const_value_attribute): Check that
26352         loc_list->first->next is NULL instead of comparing ->first with ->last.
26353         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
26354         to add_var_loc_to_decl.
26355
26356         * dwarf2out.c (output_call_frame_info): For dw_cie_version
26357         >= 4 add also address size and segment size fields into CIE header.
26358
26359         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
26360         long as address size is the same as sizeof (void *) and
26361         segment size is 0.
26362         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
26363         address size or segment size is unexpected, return DW_EH_PE_omit.
26364         (classify_object_over_fdes): If get_cie_encoding returned
26365         DW_EH_PE_omit, return -1.
26366         (init_object): If classify_object_over_fdes returned -1,
26367         pretend there were no FDEs at all.
26368
26369 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
26370
26371         * config/i386/i386.md (bswap<mode>2): Macroize expander from
26372         bswap{si,di}2 using SWI48 mode iterator.
26373         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
26374         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
26375         set modrm attribute of bswap insn to 0 and remove length attribute.
26376         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
26377         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
26378         set mode attribute to <MODE> and remove length attribute.
26379
26380 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
26381
26382         PR rtl-optimization/43520
26383         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
26384         zero available registers.
26385
26386 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26387
26388         * builtins.c (fold_builtin_cproj): Fold more cases.
26389
26390 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26391
26392         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
26393         (fold_builtin_1): Fold builtin cproj.
26394         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
26395         Use ATTR_CONST_NOTHROW_LIST.
26396
26397 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
26398
26399         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
26400         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
26401         ffsi2_no_cmove for !TARGET_CMOVE.
26402         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
26403         (ffssi2): Remove expander.
26404         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
26405         mode iterator.
26406         (ctz<mode>2): Ditto from ctz{si,di}2.
26407         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
26408         mode iterator.
26409         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
26410         mode iterator.
26411
26412 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
26413
26414         * dwarf2out.c (AT_linkage_name): Define.
26415         (clone_as_declaration): Handle DW_AT_linkage_name.
26416         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
26417         of DW_AT_MIPS_linkage_name.
26418         (move_linkage_attr): Likewise.
26419         (dwarf2out_finish): Likewise.
26420
26421 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
26422
26423         PR middle-end/41952
26424         * fold-const.c (fold_comparison): New folding rule.
26425
26426 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
26427
26428         * double-int.h (double_int_setbit): Declare.
26429         * double-int.c (double_int_setbit): New function.
26430         * rtl.h (immed_double_int_const): Declare.
26431         * emit-rtl.c (immed_double_int_const): New function.
26432         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
26433         and immed_double_int_const functions.
26434         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
26435         expand_copysign_bit): (Ditto.).
26436         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
26437         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
26438         * dojump.c (prefer_and_bit_test): (Ditto.).
26439         * expr.c (convert_modes, reduce_to_bit_field_precision,
26440         const_vector_from_tree): (Ditto.).
26441         * expmed.c (mask_rtx, lshift_value): (Ditto.).
26442
26443 2010-04-20  Jan Hubicka  <jh@suse.cz>
26444
26445         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
26446         (dump_cgraph_node): Dump new flags.
26447         * cgraph.h (struct cgraph_node): Add flags
26448         reachable_from_other_partition and in_other_partition.
26449         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
26450         other partition can not be removed.
26451         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
26452         the other partition must be output; silence sanity checking on
26453         leaking functions bodies from other paritition.
26454         * lto-cgraph.c (reachable_from_other_partition_p): New function.
26455         (lto_output_node): Output new flags; do not sanity check that inline
26456         clones are output; drop lto_forced_extern_inline_p code; do not mock
26457         visibility flags at partition boundaries.
26458         (add_node_to): New function.
26459         (output_cgraph): Use it to sort functions so masters appear before
26460         clones.
26461         (input_overwrite_node): Input new flags.
26462         * passes.c (ipa_write_summaries): Do not call
26463         lto_new_extern_inline_states.
26464         * lto-section-out.c (forced_extern_inline,
26465         lto_new_extern_inline_states lto_delete_extern_inline_states,
26466         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
26467         * lto-streamer.h (lto_new_extern_inline_states,
26468         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
26469         lto_forced_extern_inline_p): Kill.
26470
26471 2010-04-20  Richard Guenther  <rguenther@suse.de>
26472
26473         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
26474         from vars that can have pointers.
26475         (process_constraint): Dump useless constraints.
26476
26477 2010-04-20  Richard Guenther  <rguenther@suse.de>
26478
26479         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
26480         (dump_sa_points_to_info): Remove asserts.
26481         (init_base_vars): nothing_id isn't an escape point nor does it
26482         have pointers.
26483
26484 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
26485
26486         * tree.h (TYPE_REF_IS_RVALUE): Define.
26487         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
26488         should_move_die_to_comdat, prune_unused_types_walk): Handle
26489         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
26490         (modified_type_die, gen_reference_type_die): Emit
26491         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
26492         if TYPE_REF_IS_RVALUE and -gdwarf-4.
26493
26494 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
26495
26496         PR target/43635
26497         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
26498         calls for -fpic -m31 if they have been sibcall optimized.
26499
26500 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
26501
26502         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
26503         ar.lc fixed and call-used.
26504
26505         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
26506
26507 2010-04-19  Jan Hubicka  <jh@suse.cz>
26508
26509         * opts.c (decode_options): Disable whpr incompatible passes.
26510         * lto/lto.c (lto_1_to_1_map): Skip clones.
26511         (read_cgraph_and_symbols): Do not mark everything as needed.
26512         (do_whole_program_analysis): Do map only after optimizing;
26513         set proper cgraph_state; use passmanager.
26514
26515 2010-04-19  DJ Delorie  <dj@redhat.com>
26516
26517         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
26518         POINTER_PLUS_EXPR and fix them.
26519
26520 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
26521
26522         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
26523         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
26524         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
26525         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
26526         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
26527         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
26528         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
26529         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
26530         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
26531         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
26532         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
26533
26534 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
26535
26536         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
26537         (check_cond_move_block): Likewise.
26538         (cond_move_process_if_block): Likewise.
26539         (noce_find_if_block): Improve formatting.
26540         (find_if_header): Pass 0 to memset and tweak conditions.
26541         (cond_exec_find_if_block): Fix long lines and tweak conditions.
26542
26543 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
26544
26545         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
26546         for -gdwarf-4.
26547
26548         PR middle-end/43337
26549         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
26550         with non-local decl doesn't need chain.
26551
26552 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
26553
26554         * ira-color.c (allocno_reload_assign): Avoid accumulating
26555         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
26556
26557 2010-04-19  Martin Jambor  <mjambor@suse.cz>
26558
26559         * gimple.h (create_tmp_reg): Declare.
26560         * gimplify.c (create_tmp_reg): New function.
26561         (gimplify_return_expr): Use create_tmp_reg.
26562         (gimplify_omp_atomic): Likewise.
26563         (gimple_regimplify_operands): Likewise.
26564         * tree-dfa.c (make_rename_temp): Likewise.
26565         * tree-predcom.c (predcom_tmp_var): Likewise.
26566         (reassociate_to_the_same_stmt): Likewise.
26567         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
26568         (get_replaced_param_substitute): Likewise.
26569         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
26570         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
26571         * tree-ssa-pre.c (get_representative_for): Likewise.
26572         (create_expression_by_pieces): Likewise.
26573         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
26574         (create_tailcall_accumulator): Likewise.
26575
26576 2010-04-19  Martin Jambor  <mjambor@suse.cz>
26577
26578         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
26579         new_stmt.
26580         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
26581
26582 2010-04-19  Richard Guenther  <rguenther@suse.de>
26583
26584         PR tree-optimization/43796
26585         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
26586         from SCEV in the lattice.
26587         (vrp_visit_phi_node): Dump change.
26588
26589 2010-04-19  Richard Guenther  <rguenther@suse.de>
26590
26591         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
26592         * configure: Re-generated.
26593
26594 2010-04-19  Richard Guenther  <rguenther@suse.de>
26595
26596         PR tree-optimization/43783
26597         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
26598         constant ARRAY_REF operands two and three if possible.
26599
26600 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
26601
26602         PR target/43766
26603         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
26604
26605 2010-04-19  Jie Zhang  <jie@codesourcery.com>
26606
26607         PR target/43662
26608         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
26609
26610 2010-04-19  Ira Rosen  <irar@il.ibm.com>
26611
26612         PR tree-optimization/37027
26613         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
26614         and macro to access it.
26615         (vectorizable_reduction): Add argument.
26616         (vect_get_slp_defs): Likewise.
26617         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
26618         statements for possible use in SLP.
26619         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
26620         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
26621         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
26622         add new argument.
26623         (vectorizable_reduction): Likewise.
26624         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
26625         vect_get_slp_defs.
26626         (vectorizable_type_demotion, vectorizable_type_promotion,
26627         vectorizable_store): Likewise.
26628         (vect_analyze_stmt): Update call to vectorizable_reduction.
26629         (vect_transform_stmt): Likewise.
26630         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
26631         (vect_build_slp_tree): Fix indentation. Check that there are no loads
26632         from different interleaving chains in same node.
26633         (vect_slp_rearrange_stmts): New function.
26634         (vect_supported_load_permutation_p): Allow load permutations for
26635         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
26636         inside SLP nodes if necessary.
26637         (vect_analyze_slp_instance): Handle reductions.
26638         (vect_analyze_slp): Try to build SLP instances originating from groups
26639         of reductions.
26640         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
26641         (vect_get_constant_vectors): Create initial vectors for reductions
26642         according to reduction code. Add new argument.
26643         (vect_get_slp_defs): Add new argument, pass it to
26644         vect_get_constant_vectors.
26645         (vect_schedule_slp_instance): Remove SLP tree root statements.
26646
26647 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
26648
26649         * tree.h (ENUM_IS_SCOPED): Define.
26650         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
26651         for ENUM_IS_SCOPED enums.
26652
26653 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
26654
26655         * fold-const.c (fold_comparison): Use ssizetype.
26656         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
26657         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
26658         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
26659         * tree-object-size.c (compute_object_sizes): Use size_type_node.
26660
26661         * tree.h (initialize_sizetypes): Remove parameter.
26662         (build_common_tree_nodes): Remove second parameter.
26663         * stor-layout.c (initialize_sizetypes): Remove parameter.
26664         Always create an unsigned type.
26665         (set_sizetype): Assert that the passed type is unsigned and simplify.
26666         * tree.c (build_common_tree_nodes): Remove second parameter.
26667         Adjust call to initialize_sizetypes.
26668         * c-decl.c (c_init_decl_processing): Remove second argument in call to
26669         build_common_tree_nodes.
26670
26671 2010-04-18  Matthias Klose  <doko@ubuntu.com>
26672
26673         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
26674
26675 2010-04-18  Ira Rosen  <irar@il.ibm.com>
26676
26677         PR tree-optimization/43771
26678         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
26679         load permutation doesn't have gaps.
26680
26681 2010-04-18  Jan Hubicka  <jh@suse.cz>
26682
26683         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
26684         (sse_prologue_save_insn expander): Use new pattern.
26685         (sse_prologue_save_insn1): New pattern and splitter.
26686         (sse_prologue_save_insn): Update to deal also with 64bit aligned
26687         blocks.
26688         * i386.c (setup_incoming_varargs_64): Do not compute jump
26689         destination here.
26690         (ix86_gimplify_va_arg): Update alignment needed.
26691         (ix86_local_alignment): Do not align all local arrays to 128bit.
26692
26693 2010-04-17  Jan Hubicka  <jh@suse.cz>
26694
26695         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
26696
26697 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
26698
26699         * arm.md (negdi2): Remove redundant code to force values into a
26700         register.
26701
26702 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
26703
26704         * arm/bpabi.S: Add EABI alignment attributes to objects.
26705         * arm/bpabi-v6m.S: Likewise.
26706         * arm/crti.asm: Likewise.
26707         * arm/crtn.asm: Likewise.
26708         * arm/lib1funcs.asm: Likewise.
26709         * arm/libunwind.S: Likewise.
26710
26711 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
26712
26713         * arm-protos.h (tune_params): New structure.
26714         * arm.c (current_tune): New variable.
26715         (arm_constant_limit): Delete.
26716         (struct processors): Add pointer to the tune parameters.
26717         (arm_slowmul_tune): New tuning option.
26718         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
26719         (all_cores): Adjust to pick up the tuning model.
26720         (arm_constant_limit): New function.
26721         (arm_override_options): Select the appropriate tuning model.  Delete
26722         initialization of arm_const_limit.
26723         (arm_split_constant): Use the new constant-limit model.
26724         (arm_rtx_costs): Pick up the current tuning model.
26725         * arm.md (is_strongarm, is_xscale): Delete.
26726         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
26727         for Xscale variant architectures.
26728         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
26729
26730 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26731
26732         * config/arm/arm.c (arm_gen_constant): Remove unused variable
26733         can_shift.
26734         (arm_rtx_costs_1): Remove unused variable extra_cost.
26735         (arm_unwind_emit_set): Use variable offset.
26736         (thumb1_output_casesi): Remove unused variable flags.
26737
26738 2010-04-16  Jeff Law  <law@redhat.com>
26739
26740         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
26741         needing assignment rather than doing a two-phase assignment.  Remove
26742         unused variable 'm'.
26743
26744 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
26745
26746         PR bootstrap/43767
26747         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
26748
26749 2010-04-16  Doug Kwan  <dougkwan@google.com>
26750
26751         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
26752         (next_operand_entry_id): New static variable.
26753         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
26754         (add_to_ops_vec): Assigned unique ID to operand entry.
26755         (struct oecount_s): New field ID.
26756         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
26757         (undistribute_ops_list): Assign unique IDs to oecounts.
26758         (init_reassoc): reset next_operand_entry_id.
26759
26760 2010-04-16  Doug Kwan  <dougkwan@google.com>
26761
26762         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
26763         missing left parenthesis.
26764
26765 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
26766
26767         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
26768         *btdi_rex64 using SWI48 mode iterator.
26769         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
26770         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
26771         *jcc_btdi_mask_rex64.
26772
26773 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
26774
26775         * double-int.h (tree_to_double_int): Convert to macro.
26776         * double-int.c (tree_to_double_int): Remove.
26777
26778 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
26779
26780         PR debug/43762
26781         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
26782         with want_address 2 and in case a single element list might be
26783         possible, call it again with want_address 0.
26784
26785 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
26786
26787         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
26788         case 'W' print operands for HI mode.
26789         * config/h8300/h8300.h (Y0, Y2) : New constraints.
26790         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
26791         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
26792         * config/h8300/predicate.md (bit_register_indirect_operand): New.
26793
26794         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
26795
26796         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
26797         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
26798         #xx:3 and #xx:4 mode.
26799
26800         * config/h8300/h8300.md (inverted load with HImode dest): Add
26801         support for H8300SX.
26802
26803         * config/h8300/predicate.md (bit_operand): Allow immediate values that
26804         satisfy 'U' constraint.
26805
26806 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26807
26808         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
26809         * configure: Regenerate.
26810         * config.in: Regenerate.
26811         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
26812         works.
26813
26814 2010-04-16  Richard Guenther  <rguenther@suse.de>
26815
26816         * tree.h (struct tree_decl_minimal): Move pt_uid ...
26817         (struct tree_decl_common): ... here.
26818         (DECL_PT_UID): Adjust.
26819         (SET_DECL_PT_UID): Likewise.
26820         (DECL_PT_UID_SET_P): Likewise.
26821
26822 2010-04-16  Richard Guenther  <rguenther@suse.de>
26823
26824         PR tree-optimization/43572
26825         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
26826         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
26827         * tree-flow.h (is_call_clobbered): Remove.
26828         * tree-flow-inline.h (is_call_clobbered): Likewise.
26829         * tree-dfa.c (dump_variable): Do not dump call clobber state.
26830         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
26831         (execute_return_slot_opt): Adjust.
26832         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
26833         check for call clobbered vars here.
26834         (find_tail_calls): Move tailcall verification to the
26835         proper place.
26836
26837 2010-04-16  Diego Novillo  <dnovillo@google.com>
26838
26839         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
26840
26841 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
26842
26843         PR target/40603
26844         * config/arm/arm.md (cbranchqi4): New pattern.
26845         * config/arm/predicates.md (const0_operand,
26846         cbranchqi4_comparison_operator): New predicates.
26847
26848 2010-04-16  Richard Guenther  <rguenther@suse.de>
26849
26850         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
26851         (dump_gimple_stmt): Likewise.
26852
26853 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
26854
26855         * recog.h (struct recog_data): New field is_operator.
26856         (struct insn_operand_data): New field is_operator.
26857         * recog.c (extract_insn): Set recog_data.is_operator.
26858         * genoutput.c (output_operand_data): Emit code to set the
26859         is_operator field.
26860         * reload.c (find_reloads): Use it rather than testing for an
26861         empty constraint string.
26862
26863         PR target/41514
26864         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
26865         If the previous insn is a cbranchsi4_insn with the same arguments,
26866         omit the compare instruction.
26867
26868         * config/arm/arm.md (addsi3_cbranch): If destination is a high
26869         register, inputs must be low registers and we need a low register
26870         scratch.  Handle alternative 2 like alternative 3.
26871
26872 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
26873
26874         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
26875         don't call get_addr on both.  If one expression is a VALUE and
26876         the other a REG, check VALUE's locs if the REG isn't among them.
26877
26878 2010-04-16  Christian Bruel  <christian.bruel@st.com>
26879
26880         * config/sh/sh.h (sh_frame_pointer_required): New function.
26881         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
26882         (flag_omit_frame_pointer) Set.
26883         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
26884         (rounded_frame_size): Adjust size with outgoing_args_size.
26885         (sh_set_return_address): Must return from stack pointer.
26886         * config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
26887         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
26888         (ACCUMULATE_OUTGOING_ARGS): Define.
26889         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
26890         * config/sh/sh.opt (maccumulate-outgoing-args): New option.
26891
26892 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
26893
26894         PR target/43471
26895         * config/sh/sh.c (sh_legitimize_reload_address): Use
26896         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
26897         Remove a unneeded check for offset_base.
26898
26899 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
26900
26901         * configure: Regenerated.
26902
26903 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
26904
26905         * config/s390/s390.c (s390_call_save_register_used): Switch back
26906         to HARD_REGNO_NREGS.
26907
26908 2010-04-15  Richard Guenther  <rguenther@suse.de>
26909
26910         * alias.c (alias_set_subset_of): Handle alias-set zero
26911         child properly.
26912
26913 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
26914             Julian Brown  <julian@codesourcery.com>
26915
26916         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
26917         alternatives according to use of high and low regs.
26918         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
26919         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
26920         optimizing for size on Thumb-2.
26921
26922 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
26923
26924         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
26925
26926 2010-04-15  Richard Guenther  <rguenther@suse.de>
26927
26928         * tree-ssa-structalias.c (struct variable_info): Add
26929         is_fn_info flag.
26930         (new_var_info): Initialize it.
26931         (dump_constraints): Support printing last added constraints.
26932         (debug_constraints): Adjust.
26933         (dump_constraint_graph): Likewise.
26934         (make_heapvar_for): Check for NULL cfun.
26935         (get_function_part_constraint): New function.
26936         (get_fi_for_callee): Likewise.
26937         (find_func_aliases): Properly implement IPA PTA constraints.
26938         (process_ipa_clobber): New function.
26939         (find_func_clobbers): Likewise.
26940         (insert_into_field_list_sorted): Remove.
26941         (create_function_info_for): Properly allocate vars for IPA mode.
26942         Do not use insert_into_field_list_sorted.
26943         (create_variable_info_for): Properly generate constraints for
26944         global vars in IPA mode.
26945         (dump_solution_for_var): Always dump the solution.
26946         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
26947         (find_what_var_points_to): Adjust.
26948         (pt_solution_set): Change.
26949         (pt_solution_ior_into): New function.
26950         (pt_solution_empty_p): Export.
26951         (pt_solution_includes_global): Adjust.
26952         (pt_solution_includes_1): Likewise.
26953         (pt_solutions_intersect_1): Likewise.
26954         (dump_sa_points_to_info): Check some invariants.
26955         (solve_constraints): Move constraint dumping ...
26956         (compute_points_to_sets): ... here.
26957         (ipa_pta_execute): ... and here.
26958         (compute_may_aliases): Do not re-compute points-to info
26959         locally if IPA info is available.
26960         (ipa_escaped_pt): New global var.
26961         (ipa_pta_execute): Properly implement IPA PTA.
26962         * tree-into-ssa.c (dump_decl_set): Support dumping
26963         decls not in referenced-vars.
26964         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
26965         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
26966         (dump_points_to_solution): Likewise.
26967         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
26968         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
26969         (remap_gimple_stmt): Reset call clobber/use information if necessary.
26970         (copy_decl_to_var): Copy DECL_PT_UID.
26971         (copy_result_decl_to_var): Likewise.
26972         * tree.c (make_node_stat): Initialize DECL_PT_UID.
26973         (copy_node_stat): Copy it.
26974         * tree.h (DECL_PT_UID): New macro.
26975         (SET_DECL_PT_UID): Likewise.
26976         (DECL_PT_UID_SET_P): Likewise.
26977         (struct tree_decl_minimal): Add pt_uid member.
26978         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
26979         (pt_solution_empty_p): Declare.
26980         (pt_solution_set): Adjust.
26981         (ipa_escaped_pt): Declare.
26982         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
26983         * gimple-pretty-print.c (pp_points_to_solution): New function.
26984         (dump_gimple_call): Dump call clobber/use information.
26985         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
26986         * tree-pass.h (TDF_ALIAS): New dump option.
26987         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
26988         * doc/invoke.texi (-fipa-pta): Update documentation.
26989
26990 2010-04-15  Richard Guenther  <rguenther@suse.de>
26991
26992         * Makefile.in (OBJS-common): Add gimple-fold.o.
26993         (gimple-fold.o): New rule.
26994         * tree.h (maybe_fold_offset_to_reference,
26995         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
26996         prototypes ...
26997         * gimple.h: ... here.
26998         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
26999         may_propagate_address_into_dereference): Move prototypes ...
27000         * gimple.h: ... here.
27001         * tree-ssa-ccp.c (get_symbol_constant_value,
27002         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
27003         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
27004         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
27005         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
27006         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
27007         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
27008         gimplify_and_update_call_from_tree): Move ...
27009         * gimple-fold.c: ... here.  New file.
27010         (ccp_fold_builtin): Rename to ...
27011         (gimple_fold_builtin): ... this.
27012         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
27013
27014 2010-04-15  Richard Guenther  <rguenther@suse.de>
27015
27016         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
27017         fit_double_type, force_fit_type_double, add_double_with_sign,
27018         neg_double, mul_double_with_sign, lshift_double, rshift_double,
27019         lrotate_double, rrotate_double, div_and_round_double): Move ...
27020         * double-int.c: ... here.
27021         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
27022         add_double, neg_double, mul_double_with_sign, mul_double,
27023         lshift_double, rshift_double, lrotate_double, rrotate_double,
27024         div_and_round_double): Move prototypes ...
27025         * double-int.h: ... here.
27026
27027 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
27028
27029         PR target/43742
27030         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
27031         matching constraints to ensure inputs match the output.
27032
27033 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
27034
27035         PR target/43742
27036         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
27037         in an input-only operand.
27038
27039 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
27040
27041         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
27042         (double_int_not, double_int_lshift, double_int_rshift): Declare.
27043         (double_int_negative_p): Convert to static inline function.
27044         * double-int.c (double_int_lshift, double_int_lshift): New functions.
27045         (double_int_negative_p): Remove.
27046         * tree.h (lshift_double, rshift_double):
27047         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
27048         * fold-const.c (fold_convert_const_int_from_real,
27049         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
27050         (lshift_double): Change type of arith argument to bool.
27051         (rshift_double): Change type of arith argument to bool. Correct
27052         comment.
27053         * expmed.c (mask_rtx, lshift_value): (Ditto.).
27054
27055 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
27056
27057         PR target/21803
27058         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
27059         at the start and end of the then/else blocks, and omit them from the
27060         conversion.
27061         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
27062         argument; all callers changed.  Pass zero to old_insns_match_p instead.
27063         (flow_find_head_matching_sequence): New function.
27064         (old_insns_match_p): Check REG_EH_REGION notes for calls.
27065         * basic-block.h (flow_find_cross_jump,
27066         flow_find_head_matching_sequence): Declare functions.
27067
27068 2010-04-14  Jason Merrill  <jason@redhat.com>
27069
27070         PR c++/36625
27071         * c-common.c (attribute_takes_identifier_p): New fn.
27072         * c-common.h: Declare it.
27073
27074 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
27075
27076         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
27077         splitter condition.
27078         (*udivmod<mode>4): Ditto.
27079
27080 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
27081
27082         * config/i386/i386.md (maxmin_int): Rename code attribute from
27083         maxminiprefix and update all users.
27084         (maxmin_float): Ditto from maxminfprefix.
27085         (logic): Ditto from logicprefix.
27086         (absneg_mnemonic): Ditto from absnegprefix.
27087         * config/i386/mmx.md: Update all users of maxminiprefix,
27088         maxminfprefix and logicprefix for rename.
27089         * config/i386/sse.md: Ditto.
27090         * config/i386/sync.md (sync_<code><mode>): Update for
27091         logicprefix rename.
27092
27093 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27094
27095         PR 42966
27096         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
27097         warnings converted to errors.
27098
27099 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
27100
27101         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
27102         used insn_type variable.
27103         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
27104         to avoid set-but-not-used warning.
27105
27106 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
27107
27108         * df-core.c (df_ref_debug): Change format string placeholder
27109         from 0x%x to %#x.
27110         * dwarf2asm.c (dw2_asm_output_data_raw,
27111         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
27112         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
27113         * dwarf2out.c (output_cfi, output_cfi_directive,
27114         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
27115         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
27116         Ditto.
27117         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
27118         * print-rtl.c (print_rtx): Ditto.
27119
27120 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
27121
27122         PR middle-end/42694
27123         * builtins.c (expand_builtin_pow_root): New function to expand pow
27124         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
27125         series of sqrt and cbrt calls under -ffast-math.
27126         (expand_builtin_pow): Call it.
27127
27128 2010-04-14  Michael Matz  <matz@suse.de>
27129
27130         PR tree-optimization/42963
27131         * tree-cfg.c (touched_switch_bbs): New static variable.
27132         (group_case_labels_stmt): New function broken out from ...
27133         (group_case_labels): ... here, use the above.
27134         (start_recording_case_labels): Allocate touched_switch_bbs.
27135         (end_recording_case_labels): Deallocate it, call
27136         group_case_labels_stmt.
27137         (gimple_redirect_edge_and_branch): Remember index of affected BB.
27138
27139 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
27140
27141         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
27142         from insn template.
27143
27144 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
27145
27146         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
27147
27148 2010-04-13  Jan Hubicka  <jh@suse.cz>
27149
27150         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
27151         of optimized out static functions.
27152         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
27153         cost computation.  Also sanity check for overflows.
27154         (update_caller_keys): Update cgraph_edge_badness call; properly
27155         update fibheap and sanity check that it is up to date.
27156         (add_new_edges_to_heap): Update cgraph_edge_badness.
27157         (cgraph_decide_inlining_of_small_function): Likewise;
27158         add sanity checking that badness in heap is up to date;
27159         improve dumping of reason; Update badness of calls to the
27160         offline copy of function currently inlined; dump badness
27161         of functions not inlined because of unit growth limits.
27162
27163 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
27164
27165         PR middle-end/32628
27166         * c-common.c (pointer_int_sum): Disregard overflow that occured only
27167         because of sign-extension change when converting to sizetype here...
27168         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
27169
27170         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
27171         the folding to constants.  Remove redundant final conversion.
27172         (fold_binary) <associate>: Do not associate if the re-association of
27173         constants alone overflows.
27174         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
27175         to the end of the list.
27176         (multiple_of_p) <COND_EXPR>: New case.
27177
27178 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27179
27180         * opt-functions.awk (opt_sanitized_name): New.
27181         (opt_enum): New.
27182         * optc-gen.awk: Use it
27183         * opth-gen.awk: Use it.
27184
27185 2010-04-13  Martin Jambor  <mjambor@suse.cz>
27186
27187         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
27188         (sra_modify_assign): Delete stmts loading dead data even if racc has no
27189         children.  Call replace_uses_with_default_def_ssa_name to handle
27190         SSA_NAES on lhs.
27191
27192 2010-04-13  Michael Matz  <matz@suse.de>
27193
27194         PR middle-end/43730
27195         * builtins.c (expand_builtin_interclass_mathfn): Also create
27196         a register if the predicate doesn't match.
27197
27198 2010-04-13  Diego Novillo  <dnovillo@google.com>
27199
27200         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
27201         * c-pch.c: Include timevar.h.
27202         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
27203         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
27204         * ggc-common.c: Include timevar.h.
27205         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
27206         * timevar.def (TV_PCH_SAVE): Define.
27207         (TV_PCH_CPP_SAVE): Define.
27208         (TV_PCH_PTR_REALLOC): Define.
27209         (TV_PCH_PTR_SORT): Define.
27210         (TV_PCH_RESTORE): Define.
27211         (TV_PCH_CPP_RESTORE): Define.
27212
27213 2010-04-13  Michael Matz  <matz@suse.de>
27214
27215         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
27216         into MINUS_EXPRs.
27217         (can_reassociate_p): New function.
27218         (break_up_subtract_bb, reassociate_bb): Use it.
27219
27220 2010-04-13  Richard Guenther  <rguenther@suse.de>
27221
27222         PR bootstrap/43737
27223         * builtins.c (c_readstr): Fix assert.
27224
27225 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
27226
27227         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
27228         when generating cltd insn.
27229
27230         (*ashl<mode>3_1): Remove special handling for register operand 2.
27231         (*ashlsi3_1_zext): Ditto.
27232         (*ashlhi3_1): Ditto.
27233         (*ashlhi3_1_lea): Ditto.
27234         (*ashlqi3_1): Ditto.
27235         (*ashlqi3_1_lea): Ditto.
27236         (*<shiftrt_insn><mode>3_1): Ditto.
27237         (*<shiftrt_insn>si3_1_zext): Ditto.
27238         (*<shiftrt_insn>qi3_1_slp): Ditto.
27239         (*<rotate_insn><mode>3_1): Ditto.
27240         (*<rotate_insn>si3_1_zext): Ditto.
27241         (*<rotate_insn>qi3_1_slp): Ditto.
27242
27243 2010-04-13  Richard Guenther  <rguenther@suse.de>
27244
27245         * tree-ssa-structalias.c (callused_id): Remove.
27246         (call_stmt_vars): New.
27247         (get_call_vi): Likewise.
27248         (lookup_call_use_vi): Likewise.
27249         (lookup_call_clobber_vi): Likewise.
27250         (get_call_use_vi): Likewise.
27251         (get_call_clobber_vi): Likewise.
27252         (make_transitive_closure_constraints): Likewise.
27253         (handle_const_call): Adjust to do per-call call-used handling.
27254         (handle_pure_call): Likewise.
27255         (find_what_var_points_to): Remove general callused handling.
27256         (init_base_vars): Likewise.
27257         (init_alias_vars): Initialize call_stmt_vars.
27258         (compute_points_to_sets): Process call-used and call-clobbered
27259         vars for call statements.
27260         (delete_points_to_sets): Free call_stmt_vars.
27261
27262 2010-04-13  Richard Guenther  <rguenther@suse.de>
27263
27264         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
27265         Only add RW dependence for dependence distance zero.
27266         Adjust maximal vectorization factor according to dependences.
27267         Move alignment handling ...
27268         (vect_find_same_alignment_drs): ... here.  New function.
27269         (vect_analyze_data_ref_dependences): Adjust.
27270         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
27271         (vect_analyze_data_refs): Adjust minimal vectorization factor
27272         according to data references.
27273         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
27274         dependences before determining the vectorization factor.
27275         Analyze alignment after determining the vectorization factor.
27276         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
27277         dependences before alignment.
27278         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
27279         Adjust prototype.
27280         (vect_analyze_data_refs): Likewise.
27281         (MAX_VECTORIZATION_FACTOR): New define.
27282
27283 2010-04-13  Duncan Sands  <baldrick@free.fr>
27284
27285         * except.h (lang_eh_type_covers): Remove.
27286         * except.c (lang_eh_type_covers): Likewise.
27287
27288 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
27289             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
27290
27291         * config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
27292         * config/s390/s390.c: Replace UNTIS_PER_WORD with
27293         UNITS_PER_LONG where it is ABI relevant.
27294         (s390_return_addr_rtx): Likewise.
27295         (s390_back_chain_rtx): Likewise.
27296         (s390_frame_area): Likewise.
27297         (s390_frame_info): Likewise.
27298         (s390_initial_elimination_offset): Likewise.
27299         (save_gprs): Likewise.
27300         (s390_emit_prologue): Likewise.
27301         (s390_emit_epilogue): Likewise.
27302         (s390_function_arg_advance): Likewise.
27303         (s390_function_arg): Likewise.
27304         (s390_va_start): Likewise.
27305         (s390_gimplify_va_arg): Likewise.
27306         (s390_function_profiler): Likewise.
27307         (s390_optimize_prologue): Likewise.
27308         (s390_rtx_costs): Likewise.
27309         (s390_secondary_reload): Likewise.
27310         (s390_promote_function_mode): Likewise.
27311         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
27312         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
27313         registers available.
27314         (s390_unwind_word_mode): New function.
27315         (s390_function_value): Split 64 bit values into register pair if
27316         used as return value.
27317         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
27318         function call parameters.  Handle parallels.
27319         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
27320         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
27321         (DWARF_CIE_DATA_ALIGNMENT): New macro.
27322         (s390_expand_setmem): Remove unused variable src_addr.
27323         * longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
27324         deal with 64 bit registers.
27325         * config/s390/s390.h: Define __zarch__ predefined macro.
27326         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
27327         (UNITS_PER_LONG): New macro.
27328         * libjava/include/s390-signal.h: Define extended ucontext
27329         structure containing the upper halfs of the 64 bit registers.
27330
27331 2010-04-13  Simon Baldwin  <simonb@google.com>
27332
27333         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
27334
27335 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
27336
27337         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
27338         rvalue on the RHS if the LHS is of a non-renamable type.
27339         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
27340
27341 2010-04-13  Matthias Klose  <doko@ubuntu.com>
27342
27343         * gcc.c (cc1_options): Handle -iplugindir before processing
27344         the cc1 spec. Only add -iplugindir once.
27345         (cpp_unique_options): Add -iplugindir option if -fplugin* options
27346         found.
27347         * common.opt (iplugindir): Remove `Separate' property, initialize.
27348         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
27349         option.
27350         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
27351         (distclean): Remove plugin dir.
27352         * doc/invoke.texi: Document -iplugindir.
27353
27354 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
27355
27356         * doc/plugins.texi (Loading Plugins): Document short
27357         -fplugin=foo option.
27358         (Plugin API): Mention default_plugin_dir_name function.
27359
27360         * gcc.c (find_file_spec_function): Add new declaration.
27361         (static_spec_func): Use it for "find-file".
27362         (find_file_spec_function): Add new function.
27363         (cc1_options): Add -iplugindir option if -fplugin* options found.
27364
27365         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
27366
27367         * plugin.c (add_new_plugin): Updated comment, and handle short
27368         plugin name.
27369         (default_plugin_dir_name): Added new function.
27370
27371         * common.opt (iplugindir): New option to set the plugin directory.
27372
27373 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
27374
27375         * config/i386/i386.md (any_rotate): New code iterator.
27376         (rotate_insn): New code attribute.
27377         (rotate): Ditto.
27378         (SWIM124): New mode iterator.
27379         (<rotate_insn>ti3): New expander.
27380         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
27381         any_rotate code iterator.
27382         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
27383         using any_rotate code iterator and SWIM124 mode iterator.
27384         (ix86_rotlti3): New insn_and_split pattern.
27385         (ix86_rotrti3): Ditto.
27386         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
27387         ix86_rotl{di,ti}3 patterns.
27388         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
27389         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
27390         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
27391         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
27392         code iterator and SWI mode iterator.
27393         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
27394         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
27395         code iterator.
27396         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
27397         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
27398         (bswap rotatert splitter): Add splitter.
27399         (bswap splitter): Macroize splitter using any_rotate code iterator.
27400         Add insn predicate to split only for TARGET_USE_XCHGB or when
27401         optimizing function for size.
27402
27403 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
27404
27405         * config/pa/pa.c (emit_move_sequence): Remove use of
27406         deleted variable flag_argument_noalias.
27407
27408 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27409
27410         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
27411         configurations.
27412         Add to unsupported targets list.
27413         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
27414         sparc*-sun-solaris2.[567]* from target lists.
27415         * configure: Regenerate.
27416         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
27417         removal.
27418         Remove Solaris 7 patch references.
27419         (Specific, sparc-sun-solaris2.7): Removed.
27420         (sparc-sun-solaris2*): Update Solaris 7 example.
27421         (sparc64-*-solaris2*): Likewise.
27422
27423 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27424
27425         * config.build (alpha*-dec-osf4*): Remove.
27426         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
27427         of obsolete configurations.
27428         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
27429         support.
27430         * config/alpha/t-osf4: Renamed to ...
27431         * config/alpha/t-osf5: ... this.
27432         * config/alpha/osf.h: Renamed to ...
27433         * config/alpha/osf5.h: ... this.
27434         Merged old osf5.h contents.
27435         Update comments.
27436         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
27437         (EXTRA_SPECS): Removed.
27438         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
27439         reflect removal of Tru64 UNIX V4.0/V5.0 support.
27440         Document that.
27441
27442 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27443
27444         * doc/contrib.texi (Contributors, Rainer Orth): Update.
27445
27446 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
27447
27448         PR/43702
27449         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
27450         __thiscall convention.
27451
27452 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
27453
27454         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
27455         orig_base.
27456         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
27457
27458 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
27459
27460         * function.c (assign_parms_initialize_all): Add unused attribute
27461         to fntype.
27462
27463 2010-04-12  Richard Guenther  <rguenther@suse.de>
27464
27465         * gsstruct.def (GSS_CALL): New.
27466         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
27467         * gimple.h: Include tree-ssa-alias.h.
27468         (struct gimple_statement_call): New.
27469         (union gimple_statement_struct_d): Add gimple_call member.
27470         (gimple_call_reset_alias_info): Declare.
27471         (gimple_call_use_set): New function.
27472         (gimple_call_clobber_set): Likewise.
27473         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
27474         * gimple.c (gimple_call_reset_alias_info): New function.
27475         (gimple_build_call_1): Call it.
27476         * lto-streamer-in.c (input_gimple_stmt): Likewise.
27477         * tree-inline.c (remap_gimple_stmt): Likewise.
27478         (expand_call_inline): Remove callused handling.
27479         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
27480         * tree-dfa.c (dump_variable): Likewise.
27481         * tree-parloops.c (parallelize_loops): Likewise.
27482         * tree-ssa.c (init_tree_ssa): Likewise.
27483         (delete_tree_ssa): Likewise.
27484         * tree-flow-inline.h (is_call_used): Remove.
27485         * tree-flow.h (struct gimple_df): Remove callused member.
27486         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
27487         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
27488         (ref_maybe_used_by_call_p_1): Simplify.
27489         (call_may_clobber_ref_p_1): Likewise.
27490         * tree-ssa-structalias.c (compute_points_to_sets): Set
27491         the call stmt used and clobbered sets.
27492         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
27493         (find_tail_calls): Verify the tail call.
27494
27495 2010-04-12  Richard Guenther  <rguenther@suse.de>
27496
27497         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
27498         single-iteration always-inline inlining.
27499         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
27500         (cgraph_decide_inlining): Do not handle always-inline specially.
27501         (try_inline): Remove always-inline cycle detection special case.
27502         Do not recurse on always-inlines.
27503         (cgraph_early_inlining): Do not iterate if not optimizing.
27504         (cgraph_gate_early_inlining): remove.
27505         (pass_early_inline): Run unconditionally.
27506         (gate_cgraph_decide_inlining): New function.
27507         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
27508         not inlining or optimizing.
27509         (cgraph_decide_inlining_of_small_functions): Also consider
27510         always-inline functions.
27511         (cgraph_default_inline_p): Return true for nodes which should
27512         disregard inline limits.
27513         (estimate_function_body_sizes): Assume zero size and time for
27514         nodes which are marked as disregarding inline limits.
27515         (cgraph_decide_recursive_inlining): Do not perform recursive
27516         inlining on always-inline nodes.
27517
27518 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
27519
27520         PR bootstrap/43699
27521         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
27522         for exprs satisfying handled_component_p.
27523
27524 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
27525
27526         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
27527         non-constant aggregate elements.
27528
27529         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
27530         is a real initialization.
27531
27532 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
27533
27534         PR c/36774
27535         * c-decl.c (start_function): Move forward check for nested function.
27536
27537 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
27538
27539         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
27540         * config/sh/sh.c: Include reload.h.
27541         (sh_legitimize_reload_address): New.
27542         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
27543         sh_legitimize_reload_address.
27544
27545 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
27546
27547         * config/sh/sh.md (*movqi_pop): New insn pattern.
27548         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
27549
27550 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
27551
27552         * config/i386/i386.md (any_shiftrt): New code iterator.
27553         (shiftrt_insn): New code attribute.
27554         (shiftrt): Ditto.
27555         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
27556         using any_shiftrt code iterator.
27557         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
27558         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
27559         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
27560         pattern from corresponding peephole2 patterns.
27561         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
27562         using any_shiftrt code iterator.
27563         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
27564         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
27565         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
27566         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
27567         *{ashr,lshr}<mode>3_cmp_zext.
27568         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
27569
27570 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
27571
27572         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
27573         scratch register.
27574         (*lshr<mode>3_cconly): Ditto.
27575
27576 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
27577
27578         * config/i386/i386.md (lshr<mode>3): Macroize expander from
27579         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
27580         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
27581         pattern from *lshr{di,ti}3_1 and corresponding splitters using
27582         DWI mode iterator.
27583         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
27584         from corresponding peephole2 patterns.
27585         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
27586         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
27587         and *lshrdi3_1_rex64 using SWI mode iterator.
27588         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
27589         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
27590         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
27591         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
27592         and *lshrdi3_cmp_rex64 using SWI mode iterator.
27593         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
27594         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
27595         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
27596         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
27597         SWI mode iterator.
27598
27599 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
27600
27601         * config/i386/i386.md (ashr<mode>3): Macroize expander from
27602         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
27603         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
27604         pattern from *ashr{di,ti}3_1 and corresponding splitters using
27605         DWI mode iterator.
27606         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
27607         from corresponding peephole2 patterns.
27608         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
27609         (ashrsi3_cvt): Rename from ashrsi3_31.
27610         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
27611         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
27612         and x86_64_shift_adj_3 using SWI48 mode iterator.
27613         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
27614         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
27615         and *ashrdi3_1_rex64 using SWI mode iterator.
27616         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
27617         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
27618         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
27619         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
27620         and *ashrdi3_cmp_rex64 using SWI mode iterator.
27621         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
27622         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
27623         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
27624         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
27625         SWI mode iterator.
27626         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
27627         * config/i386/i386.c (ix86_split_ashr): Update for renamed
27628         x86_shift<mode>_adj_3 expanders.
27629
27630 2010-04-10  Wei Guozhi  <carrot@google.com>
27631
27632         PR target/42601
27633         * config/arm/arm.c (arm_pic_static_addr): New function.
27634         (legitimize_pic_address): Call arm_pic_static_addr when it detects
27635         a static symbol.
27636         (arm_output_addr_const_extra): Output expression for new pattern.
27637         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
27638
27639 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
27640
27641         * ira-costs.c (record_reg_classes): Ignore alternatives that are
27642         not enabled.
27643
27644         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
27645         * web.c: Include "insn-config.h" and "recog.h".
27646         (union_match_dups): New function.
27647         (web_main): Call it.
27648         (union_defs): Don't try to recognize match_dups.
27649
27650         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
27651         if doing so would replace the entire pattern.
27652
27653 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
27654
27655         PR target/43707
27656         PR target/43709
27657         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
27658         and splitter pattern.  Change splitter operand 1 predicate to
27659         nonmemory_operand.
27660
27661 2010-04-09  Martin Jambor  <mjambor@suse.cz>
27662
27663         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
27664         lattices are addresses of CONST_DECLs with the same initial value.
27665         (ipcp_print_all_lattices): Print values of CONST_DECLs.
27666         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
27667
27668 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
27669             Bernd Schmidt  <bernds@codesourcery.com>
27670
27671         * loop-invariant.c (replace_uses): New static function.
27672         (move_invariant_reg): Use it to ensure we can replace the uses.
27673
27674 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
27675
27676         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
27677         function template.
27678         (picochip_override_options): Enable section anchors only above -O1.
27679         (picochip_reorg): Fixed a couple of build warnings.
27680
27681 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27682
27683         * configure.ac (plugin -rdynamic test): Log result.
27684         * configure: Regenerate.
27685         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
27686         (RDYNAMIC_SPEC): Define.
27687         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
27688
27689 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27690
27691         * configure.ac: Determine Sun ld version numbers.
27692         (comdat_group): Restrict GNU ld version checks to gld.
27693         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
27694         (enable_comdat): Support --enable-comdat.
27695         * configure: Regenerate.
27696         * doc/install.texi (Configuration): Document --enable-comdat.
27697
27698 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27699
27700         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
27701         * config/sol2-gld.h: ... here.
27702         * config.gcc (sparc*-*-solaris2*): Reflect this.
27703         (i[34567]86-*-solaris2*): Use it.
27704
27705 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
27706
27707         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
27708         setup_clocks_p.
27709         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
27710
27711 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27712
27713         PR 42965
27714         * diagnostic.c (diagnostic_initialize): Initialize
27715         some_warnings_are_errors.
27716         (diagnostic_finish): New.
27717         (diagnostic_action_after_output): Call it before exiting.
27718         (diagnostic_report_diagnostic): Do not print message here. Set
27719         some_warnings_are_errors.
27720         * diagnostic.h (diagnostic_context): Delete
27721         issue_warnings_are_errors_message. Add some_warnings_are_errors.
27722         (diagnostic_finish): Declare.
27723         * toplev.c (toplev_main): Call it before exit.
27724
27725 2010-04-09  Jason Merrill  <jason@redhat.com>
27726
27727         PR c++/42623
27728         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
27729         for incomplete type.
27730
27731         PR c++/41788
27732         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
27733         based on a warning flag.
27734
27735 2010-04-09  Richard Guenther  <rguenther@suse.de>
27736
27737         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
27738
27739 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
27740
27741         PR bootstrap/43684
27742         * varasm.c (default_assemble_visibility): Wrap vars that are
27743         set, but unused, by targets without GAS.
27744         * config/rs6000/rs6000.c (paired_emit_vector_compare):
27745         Remove set, but unused, vars.
27746         (rs6000_legitimize_tls_address): Likewise.
27747         (altivec_expand_dst_builtin): Likewise.
27748         * config/darwin.c (machopic_classify_symbol): Likewise.
27749         (machopic_indirection_name): Likewise.
27750
27751 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
27752
27753         * config/i386/i386.md (DWI): New mode iterator.
27754         (S): New mode attribute.
27755         (shift_operand): Ditto.
27756         (shift_immediate_operand): Ditto.
27757         (ashl_input_operand): Ditto.
27758         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
27759         using SDWIM mode iterator.
27760         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
27761         pattern from *ashl{di,ti}3_1 and corresponding splitters using
27762         DWI mode iterator.
27763         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
27764         from corresponding peephole2 patterns.
27765         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
27766         and x86_64_shift_adj_1 using SWI48 mode iterator.
27767         (x86_shift<mode>_adj_2): Ditto.
27768         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
27769         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
27770         using SWI48 mode iterator.
27771         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
27772         *ashldi3_cmp_rex64 using SWI mode iterator.
27773         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
27774         *ashldi3_cconly_rex64 using SWI mode iterator.
27775         * config/i386/i386.c (ix86_split_ashl): Update for renamed
27776         x86_shift<mode>_adj_{1,2}.
27777         (ix86_split_ashr): Ditto.
27778         (ix86_split_lshr): Ditto.
27779
27780 2010-04-09  Richard Guenther  <rguenther@suse.de>
27781
27782         * target.h (builtin_conversion): Pass in input and output types.
27783         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
27784         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
27785         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
27786         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
27787
27788         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
27789         Handle AVX modes.
27790         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
27791
27792 2010-04-09  Richard Guenther  <rguenther@suse.de>
27793
27794         PR target/43152
27795         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
27796
27797 2010-04-09  Richard Guenther  <rguenther@suse.de>
27798
27799         * tree-vectorizer.h (struct _stmt_vec_info): Document
27800         that vectype is the type of the LHS.
27801         (supportable_widening_operation, supportable_narrowing_operation):
27802         Get both input and output vector types as arguments.
27803         (vect_is_simple_use_1): Declare.
27804         (get_same_sized_vectype): Likewise.
27805         * tree-vect-loop.c (vect_determine_vectorization_factor):
27806         Set STMT_VINFO_VECTYPE to the vector type of the def.
27807         (vectorizable_reduction): Adjust.
27808         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
27809         Adjust.  Specify the output vector type.
27810         (vect_pattern_recog_1): Adjust.
27811         * tree-vect-stmts.c (get_same_sized_vectype): New function.
27812         (vectorizable_call): Adjust.
27813         (vectorizable_conversion): Likewise.
27814         (vectorizable_operation): Likewise.
27815         (vectorizable_type_demotion): Likewise.
27816         (vectorizable_type_promotion): Likewise.
27817         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
27818         the def.
27819         (vect_is_simple_use_1): New function.
27820         (supportable_widening_operation): Get both input and output
27821         vector types.
27822         (supportable_narrowing_operation): Likewise.
27823         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
27824
27825 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
27826
27827         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
27828         __thiscall and _thiscall as predefined macros.
27829         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
27830         thiscall attribute handling.
27831         (ix86_comp_type_attributes): Likewise.
27832         (ix86_function_regparm): Likewise.
27833         (ix86_return_pops_args): Likewise.
27834         (init_cumulative_args): Likewise.
27835         (find_drap_reg): Likewise.
27836         (ix86_static_chain): Likewise.
27837         (x86_this_parameter): Likewise.
27838         (x86_output_mi_thunk): Likewise.
27839         (ix86_attribute_table): Add description for thiscall attribute.
27840         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
27841         * doc/extend.texi: Add documentation for thiscall.
27842
27843 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27844
27845         PR c++/28584
27846         * c.opt (Wint-to-pointer-cast): Available in C++.
27847         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
27848
27849 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
27850
27851         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
27852         * calls.c (expand_call): Pass the function type to aggregate_value_p.
27853         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
27854         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
27855         function type instead.  Reorder and simplify checks.
27856
27857         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
27858
27859 2010-04-08  Jing Yu  <jingyu@google.com>
27860             Zdenek Dvorak  <ook@ucw.cz>
27861
27862         PR tree-optimization/42720
27863         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
27864         loop unswitch conditions here from ...
27865         (tree_unswitch_single_loop): ... here.
27866
27867 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
27868
27869         * tree-if-conv.c: Fix comments and simplify logic.
27870
27871 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
27872
27873         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
27874         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
27875         (main_tree_if_conversion): Update call to tree_if_conversion.
27876
27877 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27878
27879         PR 42485
27880         * doc/invoke.texi (-b,-V): Delete.
27881         * doc/tm.texi: Do not mention -b.
27882         * gcc.c (display_help): Delete -b and -V.
27883         (process_command): Delete -b and -V.
27884         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
27885
27886 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
27887             Wolfgang Gellerich  <gellerich@de.ibm.com>
27888
27889         Implement target hook for loop unrolling
27890         * target.h (loop_unroll_adjust): Add a new target hook function.
27891         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
27892         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
27893         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
27894         (s390_loop_unroll_adjust): Implement the new target hook for s390.
27895         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
27896         target hook.
27897         (decide_unroll_stupid): Likewise.
27898
27899 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27900
27901         PR target/43643
27902         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
27903
27904 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27905
27906         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
27907         (Specific, *-*-solaris2*): Likewise.
27908         Don't prefer Sun as over GNU as.
27909
27910 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
27911
27912         * config/s390/s390.c (override_options): Adjust the z10 defaults
27913         for max-unroll-times, max-completely-peeled-insns
27914         and max-completely-peel-times.
27915
27916 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
27917
27918         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
27919         instructions for z10.
27920         (s390_expand_setmem): Likewise.
27921         (s390_expand_cmpmem): Likewise.
27922
27923 2010-04-08  Richard Guenther  <rguenther@suse.de>
27924
27925         PR tree-optimization/43679
27926         * tree-ssa-pre.c (eliminate): Only propagate copies.
27927
27928 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
27929
27930         PR bootstrap/43681
27931         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
27932         set but not used variable warning.
27933
27934 2010-04-08  Wei Guozhi  <carrot@google.com>
27935
27936         PR target/41653
27937         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
27938         (arm_size_rtx_costs): Call the new function when optimized for size.
27939
27940 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
27941
27942         PR debug/43670
27943         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
27944         op0 is not a MEM, just return NULL instead of assertion
27945         failure.
27946         (discover_nonconstant_array_refs): Don't walk debug stmts.
27947
27948 2010-04-08  Doug Kwan  <dougkwan@google.com>
27949
27950         * configure.ac: Recognize gold and do not use its version number
27951         to test ld features.
27952         * configure: Regenerate.
27953
27954 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
27955
27956         PR middle-end/40815
27957         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
27958         (negate_value): Move code to push elements to broken_up_substracts ...
27959         (eliminate_plus_minus_pair): ... here.  Push operands that have no
27960         negative pair to plus_negates.
27961         (repropagate_negates, init_reassoc, fini_reassoc): Update.
27962
27963 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27964
27965         * doc/install.texi (Configuration): Move description of
27966         --enable-lto, --with-libelf*, --enable-gold from Java section to
27967         general section.
27968
27969         * doc/generic.texi (Working with declarations)
27970         (Function Properties, C and C++ Trees): Fix typos.
27971         * doc/sourcebuild.texi (Top Level): Likewise.
27972
27973 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
27974
27975         PR c/18624
27976         * tree.h (DECL_READ_P): Define.
27977         (struct tree_decl_common): Add decl_read_flag.
27978         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
27979         a set but not used warning.
27980         (merge_decls): Merge DECL_READ_P flag.
27981         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
27982         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
27983         * c-common.c (handle_used_attribute, handle_unused_attribute):
27984         Likewise.
27985         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
27986         New prototypes.
27987         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
27988         New functions.
27989         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
27990         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
27991         c_parser_binary_expression, c_parser_cast_expression,
27992         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
27993         Call default_function_array_read_conversion instead of
27994         default_function_array_conversion where needed.
27995         (c_parser_unary_expression, c_parser_conditional_expression,
27996         c_parser_postfix_expression_after_primary, c_parser_initelt):
27997         Likewise.  Call mark_exp_read where needed.
27998         (c_parser_statement_after_labels, c_parser_asm_operands,
27999         c_parser_typeof_specifier, c_parser_sizeof_expression,
28000         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
28001         where needed.
28002         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
28003         New.
28004         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
28005         (warn_unused_but_set_parameter): Default to warn_unused
28006         && extra_warnings.
28007         * doc/invoke.texi: Document -Wunused-but-set-variable and
28008         -Wunused-but-set-parameter.
28009
28010         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
28011         used count variable.
28012         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
28013         when operandN variables aren't used in the body of the expander
28014         or splitter.
28015         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
28016         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
28017         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
28018         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
28019         FOR_EACH_IMM_USE_ON_STMT): Likewise.
28020         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
28021         * tree.c (PROCESS_ARG): Likewise.
28022
28023 2010-04-07  Simon Baldwin  <simonb@google.com>
28024
28025         * diagnostic.h (diagnostic_override_option_index): New macro to
28026         set a diagnostic's option_index.
28027         * c-tree.h (c_cpp_error): Add warning reason argument.
28028         * opts.c (_warning_as_error_callback): New.
28029         (register_warning_as_error_callback): Store callback for
28030         warnings enabled via enable_warning_as_error.
28031         (enable_warning_as_error): Call callback, minor code tidy.
28032         * opts.h (register_warning_as_error_callback): Declare.
28033         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
28034         response to -Werror=.
28035         (c_common_init_options): Register warning_as_error_callback in opts.c.
28036         * common.opt: Add -Wno-cpp option.
28037         * c-common.c (struct reason_option_codes_t): Map cpp warning
28038         reason codes to gcc option indexes.
28039         * (c_option_controlling_cpp_error): New function, lookup the gcc
28040         option index for a cpp warning reason code.
28041         * (c_cpp_error): Add warning reason argument, call
28042         c_option_controlling_cpp_error for diagnostic_override_option_index.
28043         * doc/invoke.texi: Document -Wno-cpp.
28044
28045 2010-04-07  Richard Guenther  <rguenther@suse.de>
28046
28047         * ipa-reference.c (mark_load): Use get_base_address.
28048         (mark_store): Likewise.
28049
28050         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
28051         inserting GIMPLE_NOPs into the IL.
28052         * tree-ssa-structalias.c (get_constraint_for_component_ref):
28053         Explicitly strip handled components and indirect references.
28054
28055         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
28056         folding address expressions.
28057         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
28058         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
28059         operand_equal_p to compare decls.
28060         (ptr_deref_may_alias_decl_p): Likewise.
28061         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
28062         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
28063         Handle reversed comparison ops.
28064         * tree-sra.c (asm_visit_addr): Use get_base_address.
28065         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
28066         * ipa-reference.c (mark_address): Use get_base_address.
28067
28068 2010-04-07  Richard Guenther  <rguenther@suse.de>
28069
28070         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
28071         Propagate constants everywhere.
28072
28073 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
28074
28075         PR debug/43516
28076         * tree.c (MAX_INT_CACHED_PREC): Define.
28077         (nonstandard_integer_type_cache): New array.
28078         (build_nonstandard_integer_type): Cache results for precision
28079         <= MAX_INT_CACHED_PREC.
28080
28081 2010-04-07  Richard Guenther  <rguenther@suse.de>
28082
28083         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
28084         -fargument-noalias-global, -fargument-noalias-anything): Remove.
28085         * common.opt: Likewise.
28086         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
28087         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
28088         (nonoverlapping_memrefs_p): Likewise.
28089         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
28090         * opts.c (common_handle_option): Handle OPT_fargument_alias,
28091         OPT_fargument_noalias, OPT_fargument_noalias_anything and
28092         OPT_fargument_noalias_global for backward compatibility.
28093
28094 2010-04-07  Richard Guenther  <rguenther@suse.de>
28095
28096         PR tree-optimization/43270
28097         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
28098         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
28099         * tree-ssa-pre.c (phi_translate_1): Adjust.
28100         (fully_constant_expression): Split out vn_reference handling to ...
28101         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
28102         Fold reads from constant strings.
28103         (vn_reference_lookup): Handle fully constant references.
28104         (vn_reference_lookup_pieces): Likewise.
28105         * Makefile.in (expmed.o-warn): Add -Wno-error.
28106
28107 2010-04-07  Martin Jambor  <mjambor@suse.cz>
28108
28109         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
28110
28111 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
28112
28113         PR driver/41594
28114         * gcc.c: Add -static-libstdc++ to list of recognized options.
28115
28116 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28117
28118         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
28119
28120 2010-04-07  Richard Guenther  <rguenther@suse.de>
28121
28122         PR middle-end/42617
28123         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
28124         bases build simple mem attributes to retain points-to information.
28125
28126 2010-04-07  Richard Guenther  <rguenther@suse.de>
28127
28128         PR middle-end/42617
28129         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
28130         preserve points-to related information.
28131
28132 2010-04-07  Richard Guenther  <rguenther@suse.de>
28133
28134         PR middle-end/42617
28135         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
28136         discard plain indirect references.
28137         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
28138         * tree.c (tree_nop_conversion): Likewise.
28139
28140 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
28141
28142         PR debug/43628
28143         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
28144
28145 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
28146
28147         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
28148         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
28149
28150 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
28151
28152         * tree-if-conv.c: Fix indentation and comments.
28153
28154 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
28155
28156         * tree-if-conv.c: Sort static functions in topological order.
28157
28158 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
28159
28160         * tree-if-conv.c: Fix indentation and comments.
28161
28162 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
28163
28164         PR middle-end/43519
28165         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
28166         lang_hooks.types.type_for_size instead of
28167         build_nonstandard_integer_type.
28168         When converting an unsigned type to signed, double its precision.
28169         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
28170         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
28171         (graphite_create_new_loop_guard): When ub + 1 wraps around,
28172         use lb <= ub.
28173
28174 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
28175
28176         PR middle-end/43519
28177         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
28178         POINTER_PLUS_EXPR for pointer types.
28179
28180 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
28181
28182         PR middle-end/43519
28183         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
28184         * graphite-clast-to-gimple.c: Include langhooks.h.
28185         (max_signed_precision_type): New.
28186         (max_precision_type): Takes two types as arguments.
28187         (precision_for_value): New.
28188         (precision_for_interval): New.
28189         (gcc_type_for_interval): New.
28190         (gcc_type_for_value): New.
28191         (gcc_type_for_clast_term): New.
28192         (gcc_type_for_clast_red): New.
28193         (gcc_type_for_clast_bin): New.
28194         (gcc_type_for_clast_expr): Split up into several functions.
28195         (gcc_type_for_clast_eq): Rewritten.
28196         (compute_bounds_for_level): New.
28197         (compute_type_for_level_1): New.
28198         (compute_type_for_level): New.
28199         (gcc_type_for_cloog_iv): Removed.
28200         (gcc_type_for_iv_of_clast_loop): Rewritten.
28201         (graphite_create_new_loop): Compute the lower and upper bound types
28202         with gcc_type_for_clast_expr.
28203         (graphite_create_new_loop_guard): Same.
28204         (find_cloog_iv_in_expr): Removed.
28205         (compute_cloog_iv_types_1): Removed.
28206         (compute_cloog_iv_types): Removed.
28207         (gloog): Do not call compute_cloog_iv_types.
28208         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
28209         GBB_CLOOG_IV_TYPES.
28210         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
28211         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
28212         (GBB_CLOOG_IV_TYPES): Removed.
28213
28214 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
28215
28216         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
28217         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
28218         (detect_commutative_reduction): Same.
28219
28220 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
28221
28222         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
28223         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
28224         argument.
28225         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
28226         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
28227         (rewrite_commutative_reductions_out_of_ssa): Same.
28228         * passes.c (execute_function_todo): Call verify_ssa for every pass
28229         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
28230         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
28231         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
28232         with an extra argument.
28233         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
28234         verify_ssa only when the extra argument is true.
28235         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
28236         with an extra argument.
28237         (tree_transform_and_unroll_loop): Same.
28238
28239 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
28240
28241         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
28242         for all the passes of the LNO having LOOP_CLOSED_SSA.
28243         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
28244         * tree-loop-distribution.c (pass_loop_distribution): Same.
28245         * tree-pass.h (TODO_verify_loops): Removed.
28246         * tree-ssa-loop.c (pass_tree_loop_init): Same.
28247         (pass_lim): Same.
28248         (pass_tree_unswitch): Same.
28249         (pass_predcom): Same.
28250         (pass_vectorize): Same.
28251         (pass_linear_transform): Same.
28252         (pass_graphite_transforms): Same.
28253         (pass_iv_canon): Same.
28254         (pass_complete_unroll): Same.
28255         (pass_complete_unrolli): Same.
28256         (pass_parallelize_loops): Same.
28257         (pass_loop_prefetch): Same.
28258         (pass_iv_optimize): Same.
28259
28260 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
28261
28262         PR middle-end/32824
28263         * passes.c (init_optimization_passes): Move pass_lim before
28264         pass_copy_prop and pass_dce_loop.
28265
28266 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
28267
28268         PR target/43667
28269         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
28270         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
28271         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
28272         MULTI_* defines for 4 argument vpermil2p* builtins.
28273
28274 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
28275
28276         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
28277         * config/i386/i386.c (x86_maybe_negate_const_int): New.
28278         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
28279         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
28280         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
28281         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
28282         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
28283         Use x86_maybe_negate_const_int to output insn mnemonic.
28284         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
28285         check from instruction predicate.  Update comments.
28286         * config/i386/sync.md (sync_add<mode>): Use
28287         x86_maybe_negate_const_int to output insn mnemonic.
28288
28289 2010-04-06  Jan Hubicka  <jh@suse.cz>
28290
28291         PR tree-optimization/42906
28292         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
28293         IGNORE_SELF argument.  Set visited_control_parents for fully
28294         processed BBs.
28295         (find_obviously_necessary_stmts): Update call of
28296         mark_control_dependent_edges_necessary.
28297         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
28298
28299 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
28300
28301         * config/i386/i386.md: Remove comment about 'e' and 'E'
28302         operand modifier.
28303
28304 2010-04-06  Richard Guenther  <rguenther@suse.de>
28305
28306         PR tree-optimization/43627
28307         * tree-vrp.c (extract_range_from_unary_expr): Widenings
28308         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
28309         not varying.
28310
28311 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
28312
28313         * BASE-VER: Change to 4.6.0.
28314
28315         PR target/43638
28316         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
28317         handling.
28318
28319 2010-04-06  Richard Guenther  <rguenther@suse.de>
28320
28321         PR middle-end/43661
28322         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
28323
28324 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28325
28326         * doc/invoke.texi (Optimize Options): Document that LTO
28327         won't remove object access purely due to incompatible
28328         declarations.
28329
28330 2010-04-04  Matthias Klose  <doko@ubuntu.com>
28331
28332         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
28333         Initialize variable.
28334
28335 2010-04-03  Richard Guenther  <rguenther@suse.de>
28336
28337         PR middle-end/42509
28338         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
28339         require a non-NULL MEM_OFFSET.
28340
28341 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
28342
28343         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
28344         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
28345         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
28346         config/alpha/predicates.md, config/arm/arm.md,
28347         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
28348         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
28349         config/darwin9.h, config/darwin.c, config/darwin.h,
28350         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
28351         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
28352         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
28353         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
28354         config/mips/mips.md, config/mn10300/mn10300.c,
28355         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
28356         config/rs6000/aix.h, config/rs6000/dfp.md,
28357         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
28358         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
28359         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
28360         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
28361         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
28362         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
28363         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
28364         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
28365         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
28366         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
28367         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
28368         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
28369         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
28370         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
28371         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
28372         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
28373         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
28374         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
28375         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
28376         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
28377         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
28378         opt-functions.awk, opth-gen.awk, params.def, passes.c,
28379         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
28380         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
28381         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
28382         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
28383         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
28384         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
28385         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
28386         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
28387         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
28388         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
28389         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
28390         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
28391         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
28392         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
28393
28394 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28395
28396         PR other/43620
28397         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
28398         * aclocal.m4: Regenerate.
28399
28400 2010-04-02  Richard Guenther  <rguenther@suse.de>
28401
28402         PR tree-optimization/43629
28403         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
28404         if we have seen a constant value.
28405
28406 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
28407
28408         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
28409
28410 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
28411
28412         PR target/43469
28413         * arm.c (legitimize_tls_address): Adjust call to
28414         gen_tls_load_dot_plus_four.
28415         (arm_note_pic_base): New function.
28416         (arm_cannot_copy_insn_p): Use it.
28417         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
28418         constraint.
28419
28420 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28421
28422         PR bootstrap/43531
28423
28424         Revert:
28425         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28426
28427         * Makefile.in ($(out_object_file)): Depend on
28428         gt-$(basename $(notdir $(out_file))).h.
28429
28430 2010-04-01  Ralf Corsépius  <ralf.corsepius@rtems.org>
28431
28432         * config.gcc (lm32-*-rtems*): Add t-lm32.
28433
28434 2010-04-01  Joel Sherrill  <joel.sherrill@oarcorp.com>
28435
28436         * config.gcc: Add lm32-*-rtems*.
28437         * config/lm32/rtems.h: New file.
28438
28439 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
28440
28441         PR target/42609
28442         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
28443
28444 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
28445
28446         * dwarf2out.c (output_compilation_unit_header): For
28447         -gdwarf-4 use version 4 instead of version 3.
28448         (output_line_info): For version 4 and above emit additional
28449         maximum ops per insn header field.
28450         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
28451
28452         * dwarf2out.c (is_c_family, is_java): Remove.
28453         (lower_bound_default): New function.
28454         (add_bound_info, gen_descr_array_type_die): Use it.
28455
28456 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
28457
28458         PR debug/43325
28459         * dwarf2out.c (gen_variable_die): Allow debug info for variable
28460         re-declaration when it happens in a function.
28461
28462 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
28463
28464         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
28465         (cgraph_remove_function_insertion_hook): Same.
28466         (cgraph_call_function_insertion_hooks): Same.
28467
28468 2010-04-01  Richard Guenther  <rguenther@suse.de>
28469
28470         PR middle-end/43614
28471         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
28472         and TREE_THIS_VOLATILE.
28473         (copy_ref_info): Likewise.
28474         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
28475         * tree.c (build6_stat): Ignore side-effects of all but arg5
28476         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
28477         TARGET_MEM_REF.
28478
28479 2010-04-01  Richard Guenther  <rguenther@suse.de>
28480
28481         PR tree-optimization/43607
28482         * ipa-type-escape.c (check_call): Do not access non-existing
28483         arguments.
28484
28485 2010-04-01  Richard Guenther  <rguenther@suse.de>
28486
28487         PR middle-end/43602
28488         Revert
28489         2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
28490                     Jack Howarth  <howarth@bromo.med.uc.edu>
28491
28492         * tree-profile.c (tree_init_ic_make_global_vars): Make static
28493         variables TLS.
28494
28495 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28496
28497         * doc/install.texi (Prerequisites): Document libelf usability on
28498         IRIX 5/6 and Solaris 2.
28499         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
28500         Update GNU as, GNU ld requirements.
28501         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
28502         Document Sun Studio compiler download.
28503         Update and simplify as, ld recommendations.
28504         (Specific, *-*-solaris2.7): Note obsoletion, removal.
28505
28506 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28507
28508         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
28509         with_tune_32 to pentium4.
28510
28511 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
28512
28513         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
28514
28515 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28516
28517         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
28518         obsoletion, removal.
28519         Update IDO URL.
28520         Document GNU as requirement.
28521         Update configure requirements.
28522         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
28523         Recomment IRIX 6.5.18+.
28524         Document IDF/IDL requirement.
28525         Document GNU as requirement.
28526         Document GNU ld bootstrap failure.
28527         Remove freeware.sgi.com reference.
28528
28529 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28530
28531         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
28532         UNIX V4.0, V5.0 obsoletion, removal.
28533         Remove --with-gc=simple reference.
28534         Update VM requirements during bootstrap.
28535         Remove -oldas bootstrap description.
28536         Update binutils reference.
28537         Remove comparison failure note.
28538
28539 2010-03-31  Richard Guenther  <rguenther@suse.de>
28540             Zdenek Dvorak  <ook@ucw.cz>
28541             Sebastian Pop  <sebastian.pop@amd.com>
28542
28543         PR middle-end/43464
28544         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
28545         with multiple arguments.
28546         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
28547
28548 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
28549
28550         * graphite-dependences.c (print_pddr): Call print_pdr with an
28551         extra argument.
28552         * graphite-poly.c (debug_pdr): Add an extra argument for the
28553         verbosity level.
28554         (print_pdr): Same.
28555         (print_pbb_domain): Same.
28556         (print_pbb): Same.
28557         (print_scop_context): Same.
28558         (print_scop): Same.
28559         (print_cloog): Same.
28560         (debug_pbb_domain): Same.
28561         (debug_pbb): Same.
28562         (print_pdrs): Same.
28563         (debug_pdrs): Same.
28564         (debug_scop_context): Same.
28565         (debug_scop): Same.
28566         (debug_cloog): Same.
28567         (print_scop_params): Same.
28568         (debug_scop_params): Same.
28569         (print_iteration_domain): Same.
28570         (print_iteration_domains): Same.
28571         (debug_iteration_domain): Same.
28572         (debug_iteration_domains): Same.
28573         (print_scattering_function): Same.
28574         (print_scattering_functions): Same.
28575         (debug_scattering_function): Same.
28576         (debug_scattering_functions): Same.
28577         * graphite-poly.h (debug_pdr): Update declaration.
28578         (print_pdr): Same.
28579         (print_pbb_domain): Same.
28580         (print_pbb): Same.
28581         (print_scop_context): Same.
28582         (print_scop): Same.
28583         (print_cloog): Same.
28584         (debug_pbb_domain): Same.
28585         (debug_pbb): Same.
28586         (print_pdrs): Same.
28587         (debug_pdrs): Same.
28588         (debug_scop_context): Same.
28589         (debug_scop): Same.
28590         (debug_cloog): Same.
28591         (print_scop_params): Same.
28592         (debug_scop_params): Same.
28593         (print_iteration_domain): Same.
28594         (print_iteration_domains): Same.
28595         (debug_iteration_domain): Same.
28596         (debug_iteration_domains): Same.
28597         (print_scattering_function): Same.
28598         (print_scattering_functions): Same.
28599         (debug_scattering_function): Same.
28600         (debug_scattering_functions): Same.
28601
28602 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
28603
28604         * graphite-poly.c (print_scattering_function_1): New.
28605         (print_scattering_function): Call it.
28606         (print_scop_params): Remove spaces at the end of lines.
28607         (print_cloog): New.
28608         (debug_cloog): New.
28609         * graphite-poly.h (print_cloog): Declared.
28610         (debug_cloog): Declared.
28611
28612 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
28613
28614         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
28615         in loop->header.
28616         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
28617         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
28618         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
28619         to switch between adding the IV bump in loop->latch or in loop->header.
28620
28621 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
28622
28623         * graphite-poly.c (print_scattering_function): Pretty print following
28624         the scoplib format.
28625         (print_pdr): Same.
28626         (print_pbb_domain): Same.
28627         (dump_gbb_cases): Same.
28628         (dump_gbb_conditions): Same.
28629         (print_pdrs): Same.
28630         (print_pbb): Same.
28631         (print_scop_params): Same.
28632         (print_scop_context): Same.
28633         (print_scop): Same.
28634         (print_pbb_body): New.
28635         (lst_indent_to): New.
28636         (print_lst): Start new lines with a #.
28637         * graphite-poly.h (pbb_bb): New.
28638         (pbb_index): Use pbb_bb.
28639         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
28640         disjuncts.
28641         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
28642
28643 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
28644
28645         * dwarf2out.c (size_of_die): For -gdwarf-4 use
28646         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
28647         and 0 instead of 1 for dw_val_class_flag.
28648         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
28649         dw_val_class_range_list, dw_val_class_loc_list,
28650         dw_val_class_lineptr and dw_val_class_macptr, use
28651         DW_FORM_flag_present for dw_val_class_flag and
28652         DW_FORM_exprloc for dw_val_class_loc.
28653         (output_die): For -gdwarf-4 print dw_val_class_loc
28654         size as uleb128 instead of 1 or 2 bytes and don't print
28655         anything for dw_val_class_flag.
28656
28657         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
28658         instead of cselib_lookup following by tweaking locs->setting_insn.
28659
28660         PR bootstrap/43596
28661         * cselib.c (cselib_process_insn): Clear cselib_current_insn
28662         even before returning from label, setjmp call or volatile asm
28663         handling.
28664
28665 2010-03-31  Richard Guenther  <rguenther@suse.de>
28666
28667         PR middle-end/43600
28668         * cgraphunit.c (cgraph_output_in_order): Do not allocate
28669         temporary data on stack.
28670
28671 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28672
28673         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
28674         (PUSHSECTION_ASM_OP): Remove.
28675         (POPSECTION_ASM_OP): Remove.
28676         (PUSHSECTION_FORMAT): Remove.
28677         * config/sol2.h (PUSHSECTION_FORMAT): Define.
28678         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
28679         * config/sol2.c (solaris_output_init_fini): Use it.
28680
28681 2010-03-31  Jie Zhang  <jie@codesourcery.com>
28682
28683         PR 43574
28684         * opt-functions.awk (var_type_struct): Use signed char type
28685         for simple variables.
28686
28687 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28688
28689         * config/sol2.c: Include output.h.
28690         (solaris_assemble_visibility): New function.
28691         * config/t-sol2 (sol2.o): Add output.h dependency.
28692         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
28693         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
28694         Redefine.
28695
28696 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
28697
28698         PR target/43580
28699         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
28700         V2SImode or XFmode on PRE_DEC.
28701
28702         PR debug/43557
28703         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
28704         BLKmode.
28705
28706 2010-03-31  Jie Zhang  <jie@codesourcery.com>
28707
28708         PR 43562
28709         * reload.h (caller_save_initialized_p): Declare.
28710         * toplev.c (backend_init_target): Don't call
28711         init_caller_save but set caller_save_initialized_p to false.
28712         * caller-save.c (caller_save_initialized_p): Define.
28713         (init_caller_save): Check caller_save_initialized_p.
28714         * ira.c (ira): Call init_caller_save if flag_caller_saves.
28715
28716 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28717
28718         PR target/39048
28719         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
28720         and soft-fp/t-softfp to tmake_file.
28721         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
28722         (LIBGCC2_TF_CEXT): Define.
28723         (TF_SIZE): Define.
28724
28725 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
28726
28727         PR debug/42977
28728         * cselib.c (n_useless_values): Document handling of debug locs.
28729         (n_useless_debug_values, n_debug_values): New variables.
28730         (new_elt_loc_list): Don't add to debug values, keep count.
28731         (promote_debug_loc): New.
28732         (cselib_reset_table): Zero new variables.
28733         (entry_and_rtx_equal_p): Promote debug locs.
28734         (discard_useless_locs): Increment n_useless_debug_values for
28735         debug values.
28736         (remove_useless_values): Adjust n_useless_values and n_debug_values
28737         with n_useless_debug_values.
28738         (add_mem_for_addr): Promote debug locs.
28739         (cselib_lookup_mem): Likewise.
28740         (cselib_lookup_addr): Renamed to...
28741         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
28742         (cselib_log_lookup): ... this.  Turn into...
28743         (cselib_lookup_addr): ... new wrapper.
28744         (cselib_lookup_from_insn): New.
28745         (cselib_invalidate_regno): Increment n_useless_debug_values for
28746         debug values.
28747         (cselib_invalidate_mem): Likewise.
28748         (cselib_process_insn): Take n_deleted and n_debug_values into
28749         account to guard remove_useless_value call.
28750         (cselib_finish): Zero n_useless_debug_values.
28751         * cselib.h (cselib_lookup_from_insn): Declare.
28752         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
28753         (sched_analyze_2): Likewise.
28754
28755 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
28756
28757         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
28758         functions.
28759         (adjust_mems): Replace narrowing SUBREG of expression containing
28760         just PLUS, MINUS, MULT and ASHIFT of registers and constants
28761         with operations in the narrower mode.
28762
28763         PR debug/43593
28764         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
28765         regs_invalidated_by_call instead all call_used_reg_set registers.
28766
28767 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
28768
28769         PR middle-end/43430
28770         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
28771         pointer comparisons with types_compatible_p.
28772         * tree-vect-stmts.c (vectorizable_call): Same.
28773         (vectorizable_condition): Same.
28774
28775 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
28776
28777         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
28778         stack check if the mask would be zero.
28779
28780 2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
28781             Jack Howarth  <howarth@bromo.med.uc.edu>
28782
28783         * tree-profile.c (tree_init_ic_make_global_vars): Make static
28784         variables TLS.
28785
28786 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
28787
28788         PR other/25232
28789         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
28790         and __unordtf2.
28791         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
28792         Include ___unordxf2 and ___unordtf2.
28793         * config/i386/libgcc-glibc.ver: Do not define inheritance from
28794         GCC_4.4.0 here.
28795
28796 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
28797
28798         * config/lm32/t-lm32: New file.
28799         * config.gcc: Use the above file when targetting lm32.
28800
28801 2010-03-28  Duncan Sands  <baldrick@free.fr>
28802
28803         * Makefile.in (PLUGIN_HEADERS): Add except.h.
28804
28805 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
28806
28807         PR middle-end/43431
28808         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
28809         Improve vectorization cost model diagnostic.
28810
28811 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
28812
28813         PR middle-end/43436
28814         * tree-vect-data-refs.c (vect_analyze_data_refs): When
28815         compute_data_dependences_for_loop returns false, early exit
28816         and output an extra diagnostic for the failed data reference
28817         analysis.
28818
28819 2010-03-29  Richard Guenther  <rguenther@suse.de>
28820
28821         PR tree-optimization/43560
28822         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
28823         (can_sm_ref_p): Treat stores to readonly locations as trapping.
28824
28825 2010-03-29  Jie Zhang  <jie@codesourcery.com>
28826
28827         PR 43564
28828         * toplev.c (process_options): Set optimization_default_node
28829         and optimization_current_node.
28830         * opts.c (decode_options): Don't set optimization_default_node
28831         and optimization_current_node.
28832
28833 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
28834
28835         * config/rtems.h: Abandon -qrtems_debug.
28836
28837 2010-03-28  Jan Hubicka  <jh@suse.cz>
28838
28839         PR tree-optimization/43505
28840         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
28841         map should not be copied.
28842
28843 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28844
28845         PR middle-end/41674
28846         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
28847         cdtors, set DECL_PRESERVE_P.
28848         * ipa.c (cgraph_externally_visible_p): Return true if declaration
28849         should be preseved.
28850
28851 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
28852
28853         PR tree-optimization/43528
28854         * stor-layout.c (place_field): Check that constant fits into
28855         unsigned HWI when skipping calculation of MS bitfield layout.
28856
28857 2010-03-27  Jan Hubicka  <jh@suse.cz>
28858
28859         PR middle-end/43391
28860         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
28861         notice_global_symbol work.
28862
28863 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
28864
28865         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
28866         instead of dwarf2out_decl.
28867         (struct var_loc_node): Remove section_label field.
28868         (dwarf2out_function_decl): New function.
28869         (dwarf2out_var_location): Don't set section_label field.
28870         (dwarf2out_begin_function): Don't empty decl_loc_table here.
28871
28872 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
28873
28874         PR tree-optimization/43544
28875         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
28876         First argument for builtin vectorized function hook is now a
28877         tree to be able to distinguish between machine specific and
28878         standard builtins.
28879         * targhooks.c (default_builtin_vectorized_function): Ditto.
28880         * targhooks.h (default_builtin_vectorized_function): Ditto.
28881         * target.h (struct gcc_target): Ditto.
28882         * tree-vect-stmts.c (vectorizable_function): Ditto.
28883         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
28884         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
28885         Ditto.
28886
28887 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
28888
28889         PR c/43381
28890         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
28891         nested binding iff it is a FUNCTION_DECL.
28892         (store_parm_decls_newstyle): Pass nested=true to bind for
28893         FUNCTION_DECLs amongst parameters.
28894
28895 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
28896
28897         * var-tracking.c (vt_expand_loc_callback): Don't run
28898         cselib_expand_value_rtx_cb in dummy mode if
28899         cselib_dummy_expand_value_rtx_cb returned false.
28900
28901         * var-tracking.c (emit_note_insn_var_location): For one part
28902         notes with offset 0, don't add EXPR_LIST around the location.
28903         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
28904         add_location_or_const_value_attribute): Adjust for that change.
28905
28906         PR debug/43540
28907         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
28908         into first operand and location into second.
28909         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
28910         dw_cfi_oprnd_loc for DW_CFA_expression.
28911         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
28912         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
28913         assume first argument is regnum and second argument is location.
28914
28915 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
28916
28917         PR target/42113
28918         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
28919         of scratch register to DImode.  Split to DImode comparison operator.
28920         Use SImode subreg of scratch register in the multiplication.
28921         (*cmp_sadd_sidi): Ditto.
28922         (*cmp_ssub_si): Ditto.
28923         (*cmp_ssub_sidi): Ditto.
28924
28925 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
28926
28927         PR target/43524
28928         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
28929         Remove invalid assert and wrong comment.
28930
28931 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
28932
28933         PR debug/43516
28934         * flags.h (final_insns_dump_p): New extern.
28935         * final.c (final_insns_dump_p): New variable.
28936         (rest_of_clean_state): Set it before -fdump-final-insns=
28937         dumping, clear afterwards.
28938         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
28939         MEM_ALIAS_SET on MEMs.
28940
28941 2010-03-26  David S. Miller  <davem@davemloft.net>
28942
28943         * configure.ac: Fix sparc GOTDATA_OP bug check.
28944         * configure: Rebuild.
28945
28946 2010-03-26  Alan Modra  <amodra@gmail.com>
28947
28948         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
28949
28950 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28951
28952         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
28953         TLS_SECTION_ASM_FLAG.
28954
28955 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
28956
28957         PR bootstrap/43511
28958         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
28959         Clear first_function_block_is_cold.
28960
28961         PR c/43385
28962         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
28963         argument if the argument is truth_value_p.
28964
28965 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
28966
28967         * config/rs6000/constraints.md: Update copyright year for my changes.
28968
28969         PR target/43484
28970         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
28971         used in reg+reg addressing, swap registers.
28972
28973 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
28974
28975         PR debug/43293
28976         * target.h (struct gcc_target): Add code_end hook.
28977         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
28978         if not yet defined.
28979         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
28980         * toplev.c (compile_file): Call targetm.asm_out.code_end
28981         hook before unwind info/debug info output.
28982         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
28983         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
28984         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
28985         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
28986         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
28987         * config/i386/i386.c (ix86_file_end): Renamed to...
28988         (ix86_code_end): ... this.  Make static.  Don't call
28989         file_end_indicate_exec_stack.  Emit unwind info using
28990         final_start_function/final_end_function.
28991         (darwin_x86_file_end): Remove.
28992         (TARGET_ASM_CODE_END): Define.
28993         * config/i386/i386.h (TARGET_ASM_FILE_END,
28994         NEED_INDICATE_EXEC_STACK): Don't define.
28995         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
28996         (TARGET_ASM_FILE_END): Define to darwin_file_end.
28997         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
28998         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
28999
29000         PR target/43498
29001         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
29002         at the beginning and final_end_function at the end.
29003         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
29004
29005 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29006
29007         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
29008         and Sun as TLS syntax.
29009         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
29010         * configure: Regenerate.
29011         * config.in: Regenerate.
29012         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
29013         (default_elf_asm_named_section): Use it.
29014         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
29015         (i386_output_dwarf_dtprel): Likewise.
29016         (output_addr_const_extra): Likewise.
29017         (output_pic_addr_const): Lowercase @GOTTPOFF.
29018         (output_addr_const_extra): Likewise.
29019         (output_pic_addr_const): Lowercase @GOTNTPOFF.
29020         (output_addr_const_extra): Likewise.
29021         (output_pic_addr_const): Lowercase @INDNTPOFF.
29022         (output_addr_const_extra): Likewise.
29023         (output_pic_addr_const): Lowercase @NTPOFF.
29024         (output_addr_const_extra): Likewise.
29025         (output_pic_addr_const): Lowercase @TPOFF.
29026         (output_addr_const_extra): Likewise.
29027         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
29028         (*tls_global_dynamic_64): Likewise.
29029         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
29030         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
29031
29032         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
29033         (ASM_OUTPUT_TLS_COMMON): Use it.
29034         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
29035
29036         PR target/38118
29037         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
29038         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
29039         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
29040         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
29041         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
29042         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
29043
29044 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29045
29046         * config/i386/i386.c (override_options): Don't accept
29047         -mtls-dialect=sun any longer.
29048         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
29049         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
29050         (*tls_local_dynamic_base_32_sun): Likewise.
29051         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
29052
29053 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
29054
29055         PR debug/43508
29056         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
29057         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
29058
29059         PR debug/43479
29060         * ira.c (adjust_cleared_regs): New function.
29061         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
29062
29063         PR debug/19192
29064         PR debug/43479
29065         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
29066         from gimple_block.
29067         * expr.c (expand_expr_real): Restore previous
29068         curr_insn_source_location and curr_insn_block after
29069         expand_expr_real_1 call.
29070         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
29071         instead of expand_expr_real_1.
29072
29073 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
29074
29075         PR rtl-optimization/43413
29076         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
29077         hard regs too.
29078
29079 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
29080
29081         PR target/43348
29082         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
29083         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
29084
29085 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
29086
29087         * config/i386/i386.c (ix86_target_string): Add -mfma.
29088         Fix a typo in comment.
29089
29090 2010-03-22  Mike Stump  <mikestump@comcast.net>
29091
29092         PR target/23071
29093         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
29094         Don't overly align based upon packed packed fields.
29095
29096 2010-03-22  Jason Merrill  <jason@redhat.com>
29097
29098         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
29099         Use () rather than [], and move before the element type.
29100
29101 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29102
29103         * doc/configfiles.texi (Configuration Files): Removed
29104         fixinc/Makefile*, intl/Makefile.*.
29105         * doc/makefile.texi: Fixed markup. Abstract from version
29106         control system used.
29107         (Makefile): Removed obsolete java/parse.y example.
29108         * doc/sourcebuild.texi: Likewise.
29109         (Top Level): Added config, gnattools, libdecnumber, libgcc,
29110         libgomp, libssp.  Removed fastjar.
29111         (Miscellaneous Docs): Clarify location.
29112         Added COPYING3, COPYING3.LIB.
29113         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
29114
29115 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29116
29117         PR target/38085
29118         * config/i386/i386.c (x86_function_profiler)
29119         [!NO_PROFILE_COUNTERS]: Fix typo.
29120         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
29121         instead of callq.
29122
29123 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
29124             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29125
29126         * doc/sourcebuild.texi (Test Directives): Split into six
29127         subsections, with most of the current text in new subsections
29128         Directives, Selectors, and Final Actions.
29129         (Directives): Split list of test directives into multiple
29130         subsubsections.
29131         (Selectors): Describe use and syntax of selectors.
29132         (Effective-Target Keywords): Describe all existing keywords.
29133         (Add Options): Describe features for dg-add-options.
29134         (Require Support): Describe variants of dg-require-support.
29135         (Final Actions): Describe commands to use in dg-final.
29136
29137 2010-03-22  Michael Matz  <matz@suse.de>
29138
29139         PR middle-end/43475
29140         * recog.c (validate_replace_rtx_group): Replace also in
29141         REG_EQUAL and REG_EQUIV notes.
29142
29143 2010-03-22  Richard Guenther  <rguenther@suse.de>
29144
29145         PR tree-optimization/43390
29146         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
29147         sure vector extracts are type correct.
29148
29149 2010-03-22  Richard Guenther  <rguenther@suse.de>
29150
29151         PR middle-end/40106
29152         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
29153         x * sqrt (x) even when optimizing for size if the target
29154         has native support for sqrt.
29155
29156 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
29157
29158         * varasm.c (make_decl_rtl_for_debug): Also clear
29159         flag_mudflap for the duration of make_decl_rtl call.
29160
29161         PR debug/43443
29162         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
29163         locs from preserved VALUEs.
29164
29165 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
29166
29167         PR middle-end/42718
29168         * pa.md (movmemsi): Set align to one if zero.
29169         (movmemdi): Likewise.
29170
29171 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
29172
29173         PR target/42321
29174         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
29175         with their corresponding prologue pushes.
29176
29177 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
29178
29179         PR target/43156
29180         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
29181         at the begining or end.
29182         (spu_expand_epilogue): Likewise.
29183
29184 2010-03-20  Richard Guenther  <rguenther@suse.de>
29185
29186         PR rtl-optimization/43438
29187         * combine.c (make_extraction): Properly zero-/sign-extend an
29188         extraction of the low part of a CONST_INT.  Also handle
29189         CONST_DOUBLE.
29190
29191 2010-03-19  Mike Stump  <mikestump@comcast.net>
29192
29193         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
29194         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
29195         (override_options): Use SUBTARGET32_DEFAULT_CPU.
29196
29197 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
29198
29199         PR c/43211
29200         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
29201         an error.
29202
29203 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
29204
29205         PR rtl-optimization/42258
29206         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
29207         use that may match DEF.
29208
29209         PR target/40697
29210         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
29211         the cost of loading the constant rather than assuming
29212         COSTS_N_INSNS (1).
29213         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
29214         outer code is AND, do the same tests as the andsi3 expander and
29215         return COSTS_N_INSNS (1) if and is cheap.
29216
29217         * optabs.c (avoid_expensive_constant): Fix formatting.
29218
29219 2010-03-19  Michael Matz  <matz@suse.de>
29220
29221         PR c++/43116
29222         * attribs.c (decl_attributes): When rebuilding a function pointer
29223         type use the same qualifiers as the original pointer type.
29224
29225 2010-03-19  Martin Jambor  <mjambor@suse.cz>
29226
29227         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
29228         and is_gimple_ip_invariant_address.
29229
29230 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
29231
29232         Revert
29233         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
29234
29235         * config/arm/arm.c (arm_override_options): Turn off
29236         flag_dwarf2_cfi_asm for AAPCS variants.
29237
29238 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
29239
29240         PR target/43399
29241         * config/arm/arm.c (emit_multi_reg_push): Update comments.
29242         Use PRE_MODIFY instead of PRE_DEC.
29243         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
29244         (vfp_emit_fstmd): Likewise.
29245
29246 2010-03-19  Michael Matz  <matz@suse.de>
29247
29248         PR target/43305
29249         * builtins.c (expand_builtin_interclass_mathfn,
29250         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
29251         if that fails.
29252
29253 2010-03-19  Richard Guenther  <rguenther@suse.de>
29254
29255         PR tree-optimization/43415
29256         * tree-ssa-pre.c (phi_translate): Split out worker to ...
29257         (phi_translate_1): ... this.
29258         (phi_translate): Move all caching here.  Cache all NARY
29259         and REFERENCE translations.
29260
29261 2010-03-19  David S. Miller  <davem@davemloft.net>
29262
29263         With help from Eric Botcazou.
29264         * config/sparc/sparc.c: Include dwarf2out.h.
29265         (emit_pic_helper): Delete.
29266         (pic_helper_symbol_name): Delete.
29267         (pic_helper_emitted_p): Delete.
29268         (pic_helper_needed): New.
29269         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
29270         (get_pc_thunk_name): New.
29271         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
29272         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
29273         Set pic_helper_needed to true.  Don't call emit_pic_helper.
29274         (sparc_expand_prologue): Update load_pic_register call.
29275         (sparc_output_mi_thunk): Likewise.
29276         (sparc_file_end): Emit a hidden comdat symbol for the PIC
29277         thunk if possible.  Output CFI information as needed.
29278
29279 2010-03-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
29280             Jack Howarth  <howarth@bromo.med.uc.edu>
29281
29282         PR target/36399
29283         * config/i386/i386.h: Fix ABI on darwin x86-32.
29284
29285 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
29286
29287         * tree.h: Declare make_decl_rtl_for_debug.
29288         * varasm.c (make_decl_rtl_for_debug): New.
29289         * dwarf2out.c (rtl_for_decl_location): Call it.
29290         * cfgexpand.c (expand_debug_expr): Call it.
29291
29292 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
29293
29294         PR bootstrap/43399
29295         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
29296         mem_mode.
29297
29298         PR bootstrap/43403
29299         * var-tracking.c (vt_init_cfa_base): Do nothing if
29300         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
29301
29302 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
29303
29304         PR debug/42873
29305         * var-tracking.c (canonicalize_vars_star): New.
29306         (dataflow_post_merge_adjust): Use it.
29307
29308 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
29309
29310         PR debug/43058
29311         * var-tracking.c (non_suitable_const): New function.
29312         (add_uses): For DEBUG_INSNs with constants, don't record any
29313         value, instead just the constant value itself.
29314         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
29315         is not VAR_LOC_UNKNOWN_P, set var to the constant.
29316         (emit_notes_in_bb): Likewise.
29317         (emit_note_insn_var_location): For onepart variables if
29318         cur_loc is a VOIDmode constant, use DECL_MODE.
29319
29320 2010-03-18  Martin Jambor  <mjambor@suse.cz>
29321
29322         PR middle-end/42450
29323         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
29324         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
29325         all non-clones.  Moved call redirection...
29326         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
29327         (cgraph_materialize_all_clones): Dispose of all
29328         combined_args_to_skip bitmaps.
29329         (verify_cgraph_node): Do not check for edges pointing to wrong
29330         nodes in inline clones.
29331         * tree-inline.c (copy_bb): Call
29332         cgraph_redirect_edge_call_stmt_to_callee.
29333         * ipa.c (cgraph_remove_unreachable_nodes): Call
29334         cgraph_node_remove_callees even when there are used clones.
29335
29336 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
29337
29338         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
29339
29340 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
29341
29342         PR target/43383
29343         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
29344         for 32bit.
29345
29346 2010-03-18  Michael Matz  <matz@suse.de>
29347
29348         PR middle-end/43419
29349         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
29350         into sqrt(x) if we need to preserve signed zeros.
29351
29352 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
29353             Eric Botcazou  <ebotcazou@adacore.com>
29354
29355         PR rtl-optimization/43360
29356         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
29357         note if we don't know its invariant status.
29358
29359 2010-03-18  Michael Matz  <matz@suse.de>
29360
29361         PR tree-optimization/43402
29362         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
29363         PHI chains of ssa names registered for update.
29364
29365 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
29366
29367         PR target/42427
29368         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
29369         non-offsettable and pre_modify update addressing.
29370         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
29371         and "2" alternatives "#".
29372         (*movdd_softfloat32): Make all alternatives "#";
29373         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
29374         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
29375         (*movdf_softfloat32): Make all alternatives "#";
29376         (movdi): Use the new DIFD mode iterator to create a common splitter
29377         for movdi, movdf and movdd patterns.
29378
29379 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
29380
29381         * common.opt (dumpdir): Remove redundant tab.
29382
29383 2010-03-17  Martin Jambor  <mjambor@suse.cz>
29384
29385         PR tree-optimization/43347
29386         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
29387         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
29388
29389 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
29390
29391         PR rtl-optimization/42216
29392         * regrename.c (create_new_chain): New function, broken out from...
29393         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
29394         appending a use to an empty chain.
29395         (build_def_use): Remove previous changes that convert OP_INOUT to
29396         OP_OUT operands; instead detect the case where an OP_INOUT operand
29397         uses a previously untracked register and create an empty chain for it.
29398
29399 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29400
29401         * doc/extend.texi (Function Attributes): Rewrite unfinished
29402         sentence in ms_abi documentation.
29403
29404 2010-03-17  Alan Modra  <amodra@gmail.com>
29405
29406         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
29407         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
29408         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
29409         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
29410
29411 2010-03-16  Richard Henderson  <rth@redhat.com>
29412
29413         PR middle-end/43365
29414         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
29415         (lower_try_finally): Save and restore eh_seq around the expansion
29416         of the try-finally.
29417
29418 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
29419
29420         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
29421         statements before splitting block.
29422
29423 2010-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29424
29425         * doc/sourcebuild.texi (Testsuites): Fix markup.
29426         Use pathnames relative to gcc/testsuite.
29427         (Test Directives): Move description of how timeout is determined.
29428         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
29429         (C Tests): Correct gcc.misc-tests directory.
29430         Framework tests now live in gcc.test-framework.
29431
29432 2010-03-16  Richard Guenther  <rguenther@suse.de>
29433
29434         PR middle-end/43379
29435         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
29436         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
29437
29438 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
29439             Alexandre Oliva  <aoliva@redhat.com>
29440
29441         PR tree-optimization/42917
29442         * lambda-code.c (remove_iv): Skip debug statements.
29443         (lambda_loopnest_to_gcc_loopnest): Likewise.
29444         (not_interesting_stmt): Debug statements are not interesting.
29445
29446 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
29447
29448         PR debug/43051
29449         PR debug/43092
29450         * cselib.c (cselib_preserve_constants,
29451         cfa_base_preserved_val): New static variables.
29452         (preserve_only_constants): New function.
29453         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
29454         clear its REG_VALUES.  If cselib_preserve_constants, don't
29455         empty the whole hash table, but preserve there VALUEs with constants,
29456         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
29457         (cselib_preserve_cfa_base_value): New function.
29458         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
29459         (cselib_init): Change argument to int bitfield.  Set
29460         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
29461         is in it.
29462         (cselib_finish): Clear cselib_preserve_constants and
29463         cfa_base_preserved_val.
29464         * cselib.h (enum cselib_record_what): New enum.
29465         (cselib_init): Change argument to int.
29466         (cselib_preserve_cfa_base_value): New prototype.
29467         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
29468         * dse.c (dse_step1): Likewise.
29469         * cfgcleanup.c (thread_jump): Likewise.
29470         * sched-deps.c (sched_analyze): Likewise.
29471         * gcse.c (local_cprop_pass): Likewise.
29472         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
29473         If FN is non-NULL, call the callback always and whenever it returns
29474         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
29475         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
29476         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
29477         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
29478         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
29479         * var-tracking.c: Include recog.h.
29480         (bb_stack_adjust_offset): Remove.
29481         (vt_stack_adjustments): Don't call it, instead just gather the
29482         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
29483         (adjust_stack_reference): Remove.
29484         (compute_cfa_pointer): New function.
29485         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
29486         (struct adjust_mem_data): New type.
29487         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
29488         functions.
29489         (get_address_mode): New function.
29490         (replace_expr_with_values): Use it.
29491         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
29492         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
29493         (adjust_sets): Remove.
29494         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
29495         Use get_address_mode.
29496         (get_adjusted_src): Remove.
29497         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
29498         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
29499         (add_with_sets): Don't call adjust_sets.
29500         (fp_setter, vt_init_cfa_base): New functions.
29501         (vt_initialize): Change return type to bool.  Move most of pool etc.
29502         initialization to the beginning of the function from end.  Pass
29503         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
29504         If !frame_pointer_needed, call vt_stack_adjustment before mos
29505         vector is filled, call vt_init_cfa_base if argp/framep has been
29506         eliminated to sp.  If frame_pointer_needed and argp/framep has
29507         been eliminated to hard frame pointer, set
29508         hard_frame_pointer_adjustment and call vt_init_cfa_base after
29509         encountering fp setter in the prologue.  For MO_ADJUST, call
29510         log_op_type before pusing the op into mos vector, not afterwards.
29511         Call adjust_insn before cselib_process_insn/add_with_sets,
29512         call cancel_changes (0) afterwards.
29513         (variable_tracking_main_1): Adjust for vt_initialize calling
29514         vt_stack_adjustments and returning whether it succeeded or not.
29515
29516 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
29517
29518         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
29519         debug statements.
29520
29521 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
29522
29523         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
29524         has been set.
29525         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
29526         drap_reg has not been set.
29527
29528 2010-03-15  Michael Matz  <matz@suse.de>
29529
29530         PR middle-end/43300
29531         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
29532         use it to expand block copies.
29533         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
29534         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
29535         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
29536
29537 2010-03-15  Richard Guenther  <rguenther@suse.de>
29538
29539         PR tree-optimization/43367
29540         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
29541         elimination check.
29542
29543 2010-03-15  Richard Guenther  <rguenther@suse.de>
29544
29545         PR tree-optimization/43317
29546         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
29547
29548 2010-03-15  Martin Jambor  <mjambor@suse.cz>
29549
29550         PR tree-optimization/43141
29551         * tree-sra.c (create_abstract_origin): New function.
29552         (modify_function): Call create_abstract_origin.
29553
29554 2010-03-15  Chris Demetriou  <cgd@google.com>
29555
29556         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
29557         wasn't copied.
29558
29559 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29560
29561         PR middle-end/43354
29562         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
29563         call insert_out_of_ssa_copy for default definitions.
29564
29565 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29566
29567         * graphite-clast-to-gimple.c (my_long_long): Defined.
29568         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
29569         * graphite-sese-to-poly.c (my_long_long): Defined.
29570         (scop_ivs_can_be_represented): Use it.
29571
29572 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29573
29574         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
29575         graphite-max-bbs-per-function, and loop-block-tile-size.
29576         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
29577         with "maximum".
29578         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
29579
29580 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29581
29582         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
29583         forward declaration.
29584         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
29585         (add_upper_bounds_from_estimated_nit): New.
29586         (build_loop_iteration_domains): Use it.
29587
29588 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29589
29590         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
29591
29592 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29593
29594         PR middle-end/43306
29595         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
29596         should be an INTEGER_CST.  Also handle CASE_CONVERT.
29597
29598 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29599
29600         * graphite.c (graphite_initialize): To bound the number of bbs per
29601         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
29602         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
29603         * doc/invoke.texi: Document it.
29604
29605 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29606
29607         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
29608         * graphite-sese-to-poly.h (build_poly_scop): Same.
29609
29610 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
29611
29612         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
29613         the number of parameters in the scop.  Use as an upper bound
29614         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
29615         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
29616         * doc/invoke.texi: Document it.
29617
29618 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
29619
29620         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
29621         * doc/c-tree.texi: Remove.
29622         * doc/generic.texi: Merge c-tree.texi here.
29623         * doc/gccint.texi (Trees): Remove menu entry.
29624         (c-tree.texi): Remove @include.
29625         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
29626         * doc/languages.texi (Reading RTL): Ditto.
29627
29628 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
29629
29630         PR target/42869
29631         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
29632
29633 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
29634
29635         PR middle-end/42431
29636         * config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
29637         code added to work around reload clobbering CONST insns.
29638
29639 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
29640
29641         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
29642         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
29643         (cselib_preserve_only_values): Remove retain argument, don't
29644         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
29645         * cselib.h (cselib_preserve_only_values): Remove retain argument.
29646         * var-tracking.c (micro_operation): Move insn field before union.
29647         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
29648         (struct variable_tracking_info_def): Remove n_mos field, change
29649         mos into a vector of micro_operations.
29650         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
29651         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
29652         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
29653         changing into a vector.
29654         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
29655         come before all other uops generated by add_stores.
29656         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
29657         argument removal.
29658         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
29659         a vector.  Run just one pass over the bbs instead of separate counting
29660         and computation phase.
29661         (vt_finalize): Free VTI (bb)->mos vector instead of array.
29662
29663         PR debug/43329
29664         * tree-inline.c (remap_decls): Put old_var rather than origin_var
29665         into *nonlocalized_list vector.
29666         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
29667         even if origin is non-NULL.
29668         (gen_variable_die): Likewise.
29669         (process_scope_var): Don't change origin.
29670         (gen_decl_die): Likewise.
29671         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
29672         before adding new edges instead of after it, fix moving over
29673         debug stmts.
29674
29675 2010-03-11  David S. Miller  <davem@davemloft.net>
29676
29677         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
29678         of four.
29679         * configure: Rebuild.
29680
29681 2010-03-11  Martin Jambor  <mjambor@suse.cz>
29682
29683         PR tree-optimization/43257
29684         * tree.c (assign_assembler_name_if_neeeded): New function.
29685         (free_lang_data_in_cgraph): Assembler name assignment moved to the
29686         above new function.
29687         * tree.h (assign_assembler_name_if_neeeded): Declare.
29688         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
29689         the function if needed.
29690
29691 2010-03-11  Chris Demetriou  <cgd@google.com>
29692
29693         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
29694         include/stdint-gcc.h, and include/stdint.h world-readable.
29695
29696 2010-03-11  Richard Guenther  <rguenther@suse.de>
29697
29698         PR tree-optimization/43255
29699         * tree-vrp.c (process_assert_insertions_for): Do not insert
29700         asserts for trivial conditions.
29701
29702 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
29703
29704         PR tree-optimization/43280
29705         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
29706         generation.  Move calculation of size out of the if branch.
29707         (find_bswap): Modify compare number generation.
29708
29709 2010-03-11  Richard Guenther  <rguenther@suse.de>
29710
29711         PR lto/43200
29712         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
29713         (input_gimple_stmt): Fixup handled component types during
29714         operand read.  Also fix up decls in ADDR_EXPRs.
29715
29716 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
29717
29718         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
29719         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
29720
29721 2010-03-10  Jan Hubicka  <jh@suse.cz>
29722
29723         PR c/43288
29724         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
29725         * varasm.c (get_variable_section): Don't do that here...
29726         (make_decl_rtl): ... and here.
29727         (do_assemble_alias): Produce decl RTL.
29728         (assemble_alias): Likewise.
29729
29730 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
29731
29732         PR debug/43290
29733         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
29734         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
29735         of fde->vdrap_reg.
29736         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
29737         (based_loc_descr): Only express drap or vdrap regno based expressions
29738         using DW_OP_fbreg when not optimizing.
29739         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
29740         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
29741         REG_CFA_SET_VDRAP note.
29742
29743 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
29744
29745         PR tree-optimization/43236
29746         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
29747         error in calculation of base address in reverse iteration case.
29748         (generate_builtin): Take number of latch executions if the statement
29749         is in the latch.
29750
29751 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
29752
29753         PR middle-end/42859
29754         * tree-eh.c: Include pointer-set.h.
29755         (lower_eh_dispatch): Filter out duplicate case labels and
29756         remove the unneeded edge when the label is unused.  Return
29757         true when some edges are removed.
29758         (execute_lower_eh_dispatch): When any lowering resulted in
29759         removing an edge, also delete unreachable blocks.
29760
29761 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
29762
29763         PR bootstrap/43287
29764         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
29765         UNSPEC_MACHOPIC_OFFSET.
29766
29767 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
29768
29769         PR target/43294
29770         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
29771         (m68k_delegitimize_address): New function.
29772
29773 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
29774
29775         PR debug/43299
29776         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
29777
29778         PR debug/43299
29779         * var-tracking.c (adjust_sets): New function.
29780         (count_with_sets, add_with_sets): Use it.
29781         (get_adjusted_src): New inline function.
29782         (add_stores): Use it.
29783
29784         PR debug/43304
29785         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
29786         call cselib_dummy_expand_value_rtx_cb instead of
29787         cselib_expand_value_rtx_cb.
29788
29789         PR debug/43293
29790         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
29791         * config/i386/i386.c: Include debug.h and dwarf2out.h.
29792         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
29793         and .cfi_endproc around the pic thunks.
29794         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
29795         all queued unwind info register saves are saved before the call.
29796         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
29797         considered as sp-=4 for unwind info and the pop as sp+=4 which
29798         also clobbers dest, but doesn't actually restore it.
29799
29800         PR debug/43290
29801         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
29802         RTX_FRAME_RELATED_P.
29803
29804 2010-03-09  Jie Zhang  <jie@codesourcery.com>
29805
29806         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
29807         whitespaces in output template.
29808
29809 2010-03-09  Jie Zhang  <jie@codesourcery.com>
29810
29811         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
29812         out array boundary.
29813
29814 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
29815
29816         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
29817         builtins.exp in a separate job.
29818
29819 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29820
29821         * graphite-sese-to-poly.c (add_param_constraints): Use
29822         lower_bound_in_type and upper_bound_in_type.
29823
29824 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29825
29826         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
29827         instead of unsigned_type_node.
29828
29829 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29830             Reza Yazdani  <reza.yazdani@amd.com>
29831
29832         PR middle-end/43065
29833         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
29834         on pointer type parameters.
29835
29836 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
29837
29838         PR middle-end/42644
29839         PR middle-end/42130
29840         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
29841         handle conversions from pointer to integers.
29842         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
29843         induction variable, to be able to work with code generated by CLooG.
29844         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
29845         (build_poly_scop): Bail out if we cannot codegen a loop.
29846
29847 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
29848
29849         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
29850         code generation with gloog_error.
29851
29852 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29853
29854         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
29855         Call fold_convert on all the returned values.
29856         (expand_scalar_variables_expr): Pass to
29857         expand_scalar_variables_ssa_name the type of the resulting expression.
29858
29859 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29860
29861         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
29862         ppl_min_for_le_pointset.
29863         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
29864         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
29865
29866 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29867
29868         * graphite-dependences.c (map_into_dep_poly): Removed.
29869         (dependence_polyhedron_1): Use combine_context_id_scat.
29870
29871 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29872
29873         * graphite-poly.h (struct poly_scattering): Add layout documentation.
29874         (struct poly_bb): Same.
29875         (combine_context_id_scat): New.
29876
29877 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29878
29879         PR middle-end/42326
29880         * sese.c (name_defined_in_loop_p): Return false for default
29881         definitions.
29882
29883 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29884
29885         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
29886         and clean up the logic.
29887
29888 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
29889
29890         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
29891         early return.
29892
29893 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
29894
29895         * var-tracking.c (remove_cselib_value_chains): Define only for
29896         ENABLE_CHECKING.
29897         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
29898         delete_slot_part, emit_notes_for_differences_1): Don't call
29899         remove_cselib_value_chains here.
29900         (set_slot_part, emit_notes_for_differences_2): Don't call
29901         add_cselib_value_chains here.
29902         (preserved_values): New vector.
29903         (preserve_value): New function.
29904         (add_uses, add_stores, vt_add_function_parameters): Use it
29905         instead of cselib_preserve_value.
29906         (changed_values_stack): New vector.
29907         (check_changed_vars_0): New function.
29908         (check_changed_vars_1, check_changed_vars_2): Use it.
29909         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
29910         changed_values_stack VALUEs.
29911         (vt_emit_notes): For all preserved_values call
29912         add_cselib_value_chains.  If ENABLE_CHECKING call
29913         remove_cselib_value_chains before verifying value_chains is empty.
29914         Initialize and free changed_values_stack.
29915         (vt_initialize): Initialize preserved_values.
29916         (vt_finalize): Free preserved_values.
29917
29918 2010-03-08  Richard Guenther  <rguenther@suse.de>
29919
29920         PR tree-optimization/43269
29921         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
29922         region detection.
29923
29924 2010-03-08  Martin Jambor  <mjambor@suse.cz>
29925
29926         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
29927         (ipa_is_param_called): Removed.
29928         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
29929         (ipa_print_node_params): Do not print the called flag.
29930         (ipa_write_node_info): Do not stream the called flag.
29931         (ipa_read_node_info): Likewise.
29932
29933 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
29934
29935         PR debug/43176
29936         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
29937         * cselib.c (struct expand_value_data): Add dummy field.
29938         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
29939         dummy to false.
29940         (cselib_dummy_expand_value_rtx_cb): New function.
29941         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
29942         any rtl.
29943         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
29944         * var-tracking.c: Include pointer-set.h.
29945         (variable): Change n_var_parts to char from int.  Add
29946         cur_loc_changed and in_changed_variables fields.
29947         (variable_canonicalize): Remove.
29948         (shared_var_p): New inline function.
29949         (unshare_variable): Maintain cur_loc_changed and
29950         in_changed_variables fields.  If var was in changed_variables,
29951         replace it there with new_var.  Just copy cur_loc instead of
29952         resetting it to something else.
29953         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
29954         (dataflow_set_union): Don't call variable_canonicalize.
29955         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
29956         of their DEBUG_EXPR_TREE_DECLs.
29957         (canonicalize_loc_order_check): Verify that cur_loc is NULL
29958         and in_changed_variables and cur_loc_changed is false.
29959         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
29960         and cur_loc_changed.  Don't update cur_loc here.
29961         (variable_merge_over_src): Don't call variable_canonicalize.
29962         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
29963         removing loc that is equal to cur_loc, clear cur_loc,
29964         set cur_loc_changed and ensure variable_was_changed is called.
29965         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
29966         compare pointers in cur_loc check, if it is equal to loc,
29967         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
29968         (variable_different_p): Remove compare_current_location argument,
29969         don't compare cur_loc.
29970         (dataflow_set_different_1): Adjust variable_different_p caller.
29971         (variable_was_changed): If dv had some var in changed_variables
29972         already, reset in_changed_variables flag for it and propagate
29973         cur_loc_changed over to the new variable.  On empty var
29974         always set cur_loc_changed.  Set in_changed_variables on whatever
29975         var is added to changed_variables.
29976         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
29977         Use shared_var_p.  When removing loc that is equal to cur_loc,
29978         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
29979         end, don't set it to something else, just call variable_was_changed.
29980         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
29981         loc being removed, clear cur_loc and set cur_loc_changed.
29982         Set cur_loc_changed if all locations have been removed.
29983         (struct expand_loc_callback_data): New type.
29984         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
29985         allocated.  Always create SUBREGs if simplify_subreg failed.
29986         Prefer to use cur_loc, when that fails and still in
29987         changed_variables (and seen first time) recompute it.  Set
29988         cur_loc_changed of variables which had to change cur_loc and
29989         compute elcd->cur_loc_changed if any of the subexpressions used
29990         had to change cur_loc.
29991         (vt_expand_loc): Adjust to pass arguments in
29992         expand_loc_callback_data structure.
29993         (vt_expand_loc_dummy): New function.
29994         (emitted_notes): New variable.
29995         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
29996         that weren't used for any other decl in current
29997         emit_notes_for_changes call call vt_expand_loc_dummy to update
29998         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
29999         first loc_chain location if NULL before.  Always use just
30000         cur_loc instead of first loc_chain location.  When cur_loc_changed
30001         is false, when not --enable-checking=rtl just don't emit any note.
30002         When rtl checking, compute the note and assert it is the same
30003         as previous note.  Clear cur_loc_changed and in_changed_variables
30004         at the end before removing from changed_variables.
30005         (check_changed_vars_3): New function.
30006         (emit_notes_for_changes): Traverse changed_vars to call
30007         check_changed_vars_3 on each changed var.
30008         (emit_notes_for_differences_1): Clear cur_loc_changed and
30009         in_changed_variables.  Recompute cur_loc of new_var.
30010         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
30011         (vt_emit_notes): Initialize and destroy emitted_notes.
30012
30013 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
30014
30015         PR rtl-optimization/42220
30016         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
30017         Use verify_reg_tracked to determine if we should use OP_OUT rather
30018         than OP_INOUT.
30019         (build_def_use): If we see an in-out operand for a register that we
30020         know nothing about, treat is an output if possible, fail the block if
30021         not.
30022
30023 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
30024
30025         PR debug/42897
30026         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
30027         permanently.
30028
30029 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
30030
30031         PR debug/42897
30032         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
30033         uses of relevant DEFs that are dead outside the loop too.
30034
30035 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
30036
30037         * var-tracking.c (dataflow_set_merge): Swap src and src2.
30038         Reverted:
30039         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
30040         PR debug/41371
30041         * var-tracking.c (values_to_unmark): New variable.
30042         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
30043         values_to_unmark vector.  Moved body to...
30044         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
30045         instead queue it into values_to_unmark vector.
30046         (vt_find_locations): Free values_to_unmark vector.
30047
30048 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
30049
30050         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
30051         (site.exp): Export them when plugins are enabled.
30052
30053 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
30054
30055         PR middle-end/42326
30056         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
30057         that contain scevs.
30058         (chrec_fold_multiply): Same.
30059
30060 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
30061
30062         PR c/43248
30063         * c-decl.c (build_compound_literal): Return early if init is
30064         an error_mark_node.
30065
30066 2010-03-04  Martin Jambor  <mjambor@suse.cz>
30067
30068         PR tree-optimization/43164
30069         PR tree-optimization/43191
30070         * tree-sra.c (type_consists_of_records_p): Reject records with
30071         zero-size bit-fields at the end.
30072
30073 2010-03-04  Mike Stump  <mikestump@comcast.net>
30074
30075         * Makefile.in (TAGS): Remove *.y.
30076
30077 2010-03-04  Richard Guenther  <rguenther@suse.de>
30078
30079         PR tree-optimization/40761
30080         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
30081         in reverse order.
30082         (my_rev_post_order_compute): New function.
30083         (init_pre): Call it.
30084
30085 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
30086
30087         PR middle-end/43209
30088         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
30089         decrease the cost of an IV candidate when the cost is infinite.
30090
30091 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30092
30093         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
30094         Use '3DNow!' for the extension of that name, ensure normal space
30095         after the string.
30096         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
30097
30098 2010-03-03  Jeff Law  <law@redhat.com>
30099
30100         * PR middle-end/32693
30101         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
30102         than gen_rtx_SUBREG.
30103         (extract_bit_field_1): Likewise.
30104
30105 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
30106
30107         * doc/sourcebuild.texi (Test directives): Document that arguments
30108         include-opts and exclude-opts are now optional for dg-skip-if,
30109         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
30110
30111 2010-03-03  Jason Merrill  <jason@redhat.com>
30112
30113         PR c++/12909
30114         * cgraph.h (varpool_node): Add extra_name field.
30115         * varpool.c (varpool_extra_name_alias): New.
30116         (varpool_assemble_decl): Emit extra name aliases.
30117         (varpool_mark_needed_node): Look past an extra name alias.
30118         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
30119         * lto-streamer-in.c (lto_input_tree): Read it.
30120         * lto-streamer-out.c (output_unreferenced_globals): Write it.
30121
30122 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
30123
30124         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
30125         (sparc*-*-solaris2*): ...this.
30126
30127 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
30128
30129         PR debug/43229
30130         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
30131         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
30132         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
30133         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
30134
30135         PR debug/43237
30136         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
30137         fallthrough to default handling, just with want_address 0 instead of 2.
30138         For single element lists, add_AT_loc directly, otherwise create an
30139         artificial variable DIE and stick location list to it.
30140
30141         PR debug/43177
30142         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
30143         (VAL_EXPR_HAS_REVERSE): Define.
30144         (reverse_op): New function.
30145         (add_stores): For reversible operations add an extra MO_VAL_USE.
30146
30147 2010-03-02  Jason Merrill  <jason@redhat.com>
30148
30149         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
30150
30151 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
30152
30153         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
30154         (sparc64-*-linux*): Likewise.
30155         (sparc64-*-solaris2*): Include assembler files before linker ones.
30156         (sparc-*-solaris2*): Simplify and reorder to match previous case.
30157         * config/sparc/gas.h: Delete.
30158         * config/sparc/sol2-64.h: Add copyright notice.
30159         * config/sparc/sol2-gas-bi.h: Likewise.
30160         * config/sparc/sol2-gld.h: Likewise.
30161         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
30162         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
30163         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
30164         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
30165         (sparc_elf_asm_named_section): Rename into...
30166         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
30167
30168 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
30169
30170         * config/alpha/alpha.c (override_options): Fix -mtune error message.
30171
30172 2010-03-02  Jeff Law  <law@redhat.com>
30173
30174         PR middle-end/42431
30175         * reload1.c (rtx_p, substitute_stack): Declare.
30176         (substitute): Record addresses of changed rtxs.
30177         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
30178         Restore the original rtx when complete.
30179         (reload): Free subsitute_stack when complete.
30180
30181 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
30182
30183         * doc/gccint.texi (menu): Add Testsuites as a chapter.
30184         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
30185         new chapter.
30186         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
30187         LTO Testing, gcov Testing, profopt Testing, compat Testing,
30188         Torture Tests): Change from subsection to section.
30189
30190 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
30191             Steven Bosscher  <steven@gcc.gnu.org>
30192
30193         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
30194         instead of bb.
30195
30196 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
30197
30198         PR middle-end/42640
30199         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
30200         the assignment from the new induction variable to the assignment
30201         of the value from the original loop PHI function.
30202
30203 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
30204             Daniel Jacobowitz  <dan@codesourcery.com>
30205
30206         * doc/sourcebuild.texi (Test directives): Clarify options to
30207         dg-skip-if.
30208
30209 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30210
30211         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
30212         Disable cfi directives unless GCC and gas agree on using read-only
30213         .eh_frame sections for 64-bit.
30214         * configure: Regenerate.
30215
30216 2010-03-01  Richard Guenther  <rguenther@suse.de>
30217
30218         PR tree-optimization/43220
30219         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
30220         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
30221
30222 2010-03-01  Richard Guenther  <rguenther@suse.de>
30223             Martin Jambor  <mjambor@suse.cz>
30224
30225         PR middle-end/41250
30226         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
30227         gimplified parameters.
30228
30229 2010-03-01  Christian Bruel  <christian.bruel@st.com>
30230
30231         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
30232
30233 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
30234
30235         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
30236
30237 2010-03-01  Richard Guenther  <rguenther@suse.de>
30238
30239         PR middle-end/43213
30240         * expr.c (expand_assignment): Use the alias-oracle to tell
30241         if the rhs aliases the result decl.
30242
30243 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30244
30245         PR pch/14940
30246         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
30247         to sol_gt_pch_get_address.
30248         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
30249         64-bit, SPARC and x86.
30250         (sol_gt_pch_get_address): New function.
30251
30252 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
30253
30254         * toplev.h (inform_n, error_n): Declare.
30255         * diagnostic.c (inform_n, error_n): New function.
30256
30257 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
30258
30259         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
30260         has no rtl yet when processing local_decls, queue it and recheck
30261         if deferred stack allocation hasn't assigned it rtl.
30262
30263 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
30264
30265         * config/sh/sh.c (unspec_bbr_uid): New.
30266         (gen_block_redirect): Use it instead of INSN_UID.
30267         (gen_far_branch): Likewise.
30268
30269 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
30270
30271         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
30272         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
30273
30274 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30275
30276         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
30277         (Warning Options): -Wno-conversion-null is valid for
30278         Objective-C++ as well.
30279         * doc/tm.texi (Named Address Spaces): Likewise.
30280         * doc/plugins.texi (Plugins): Replace TABs with spaces.
30281         * doc/tree-ssa.texi (Tree SSA): Likewise.
30282
30283 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
30284
30285         PR bootstrap/43202
30286         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
30287         by default.  Don't set the default arch for
30288         i[34567]86-*-darwin*|x86_64-*-darwin*.
30289
30290 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
30291
30292         PR bootstrap/43202
30293         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
30294         default.  Set the default 32bit/64bit archs with $with_arch
30295         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
30296
30297 2010-02-27  Richard Guenther  <rguenther@suse.de>
30298
30299         PR tree-optimization/43186
30300         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
30301         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
30302         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
30303         unroller iterations.
30304
30305 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
30306
30307         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
30308         required and i[34567]86-*-* targets don't support 64bit ISA.
30309
30310 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
30311
30312         PR ada/43096
30313         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
30314         the same alias set.
30315
30316 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
30317
30318         * config.gcc: Set the default arch at least to Prescott for
30319         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
30320         if SSE math is enabled.
30321
30322 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30323
30324         * diagnostic.c (diagnostic_initialize): Update.
30325         (diagnostic_report_diagnostic): Test inhibit_notes_p for
30326         informative notes.
30327         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
30328         (diagnostic_inhibit_notes): New.
30329         * toplev.c (process_options): inhibit notes with -fcompare-debug.
30330
30331 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30332
30333         PR c/20631
30334         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
30335         * doc/standards.texi: Likewise.
30336         * doc/extend.texi: Likewise.
30337         * doc/trouble.texi: Likewise.
30338         * doc/cppopts.texi: Likewise.
30339         * doc/install.texi: Likewise.
30340         * c.opt (std=c90,std=gnu90): New options.
30341         * c-opts.c (c_common_handle_option): Handle them.
30342
30343 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30344
30345         PR c/24577
30346         * c-decl.c (undeclared_variable): Use an informative note.
30347
30348 2010-02-26  Richard Guenther  <rguenther@suse.de>
30349
30350         PR tree-optimization/43186
30351         * gimple.h (gimple_fold): Remove.
30352         * gimple.c (gimple_fold): Remove.  Inline into single user ...
30353         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
30354         Try harder for conditions.
30355
30356 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
30357
30358         PR debug/43190
30359         * function.c (used_types_insert): Don't skip through named pointer
30360         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
30361         and it is different from the main variant's type.
30362
30363 2010-02-26  Nick Clifton  <nickc@redhat.com>
30364
30365         * config/rx/rx.md (sminsi3): Remove bogus alternative.
30366
30367 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
30368
30369         * config.gcc: Support --with-fpmath=sse for x86.
30370
30371         * config/i386/ssemath.h: New.
30372
30373         * doc/install.texi (--with-fpmath=sse): Documented.
30374
30375 2010-02-26  Richard Guenther  <rguenther@suse.de>
30376
30377         PR tree-optimization/43188
30378         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
30379         vector types of over-aligned element type.
30380
30381 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
30382
30383         PR target/43175
30384         * config/i386/i386.c (expand_vec_perm_blend): Use correct
30385         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
30386
30387 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
30388
30389         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
30390
30391 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
30392
30393         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
30394         * var-tracking.c: Include diagnostic.h.
30395         (debug_dv): New function.
30396         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
30397
30398         PR debug/43160
30399         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
30400         (add_value_chain, add_value_chains, remove_value_chain,
30401         remove_value_chains): Handle DEBUG_EXPRs.
30402         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
30403
30404         PR debug/43161
30405         * regcprop.c (struct queued_debug_insn_change): New type.
30406         (struct value_data_entry): Add debug_insn_changes field.
30407         (struct value_data): Add n_debug_insn_changes field.
30408         (debug_insn_changes_pool): New variable.
30409         (free_debug_insn_changes, apply_debug_insn_changes,
30410         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
30411         (kill_value_one_regno): Call free_debug_insn_changes if needed.
30412         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
30413         fields.
30414         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
30415         changes for them.
30416         (copyprop_hardreg_forward_1): Don't call apply_change_group for
30417         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
30418         changes, call cprop_find_used_regs via note_stores.
30419         (copyprop_hardreg_forward): When copying vd from predecessor
30420         which has any queued DEBUG_INSN changes, make sure the pointers are
30421         cleared.  At the end call df_analyze and then if there are any
30422         DEBUG_INSN changes queued at the end of some basic block for still
30423         live registers, apply them.
30424         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
30425
30426 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
30427
30428         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
30429         (arm*-*-*): Ditto.
30430
30431 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
30432
30433         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
30434         targets.  Set the default with_cpu/with_arch from arch/cpu.
30435         Allow x86-64 and native for with_cpu/with_arch.
30436
30437 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
30438
30439         * ebitmap.c: Change calls to verify_popcount with calls to
30440         sbitmap_verify_popcount.
30441         (ebitmap_clear_bit): Fixed map->cacheindex test and
30442         map>cache update when bit clearing results in an empty
30443         element.
30444
30445 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
30446
30447         PR target/43154
30448         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
30449         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
30450         and support both V2DF and V2DI modes.
30451         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
30452         support both V2DF and V2DI modes.
30453         (general): Delete trailing whitespace from a few patterns.
30454
30455         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
30456         V2DF/V2DI interleave high/low builtins.
30457
30458         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
30459         new VSX builtins.
30460
30461         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
30462         interleave high/low functions.
30463
30464 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
30465
30466         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
30467         #pragma extern_prefix.
30468
30469 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
30470
30471         PR debug/43166
30472         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
30473         BLKmode, assert op0 is a MEM and just adjust its mode.
30474
30475         PR debug/43165
30476         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
30477         if bitpos isn't multiple of mode's bitsize.
30478
30479 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30480
30481         * c.opt (-ftemplate-depth=): New.
30482         (-ftemplate-depth-): Deprecate.
30483         * optc-gen.awk: Handle -ftemplate-depth=.
30484         * opth-gen.awk: Likewise.
30485         * c-opts.c (c_common_handle_option): Likewise.
30486         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
30487
30488 2010-02-24  Jason Merrill  <jason@redhat.com>
30489
30490         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
30491
30492 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30493
30494         * cfg.c (alloc_aux_for_block): Remove inline.
30495         (alloc_aux_for_edge): Likewise.
30496
30497 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30498
30499         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
30500
30501 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30502
30503         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
30504         * config/i386/sol2-gas.h: New file.
30505         * config.gcc (i[34567]86-*-solaris2*): Use it.
30506
30507 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30508
30509         PR c/43128
30510         * c-typeck.c (ep_convert_and_check): New.
30511         (build_conditional_expr): Use it.
30512         (build_binary_op): Likewise.
30513
30514 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
30515
30516         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
30517
30518         PR debug/43150
30519         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
30520         bounds even for -O+.
30521         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
30522         expr needs to have DECL_NAME set.
30523
30524 2010-02-24  Nick Clifton  <nickc@redhat.com>
30525
30526         * config/mep/mep.c: Include gimple.h.
30527         (mep_function_uses_sp): Delete unused function.
30528         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
30529         parameters.  Use unsigned integers to count args.  Return a
30530         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
30531
30532 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
30533
30534         PR target/43107
30535         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
30536         greater or equal to nelt instead of 2 * nelt.
30537         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
30538         with nelt - 1.
30539
30540 2010-02-23  Jason Merrill  <jason@redhat.com>
30541
30542         PR debug/42800
30543         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
30544         in cfun->local_decls even if they have register types.
30545
30546         PR c++/42837
30547         * stor-layout.c (place_field): Don't warn about unnecessary
30548         DECL_PACKED if the type is packed.
30549
30550 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
30551
30552         PR target/43139
30553         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
30554         GOTOFF relocs, even when the base reg isn't pic pointer.
30555
30556 2010-02-23  Michael Matz  <matz@suse.de>
30557
30558         PR debug/43077
30559         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
30560         (expand_gimple_basic_block): Generate and use debug temps if there
30561         are debug uses left after the last real use of TERed ssa names.
30562         Unlink debug immediate uses when they are expanded.
30563
30564 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30565
30566         PR 43123
30567         * config/i386/i386.c (override_options): Reorganise to provide
30568         better error messages.
30569
30570 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
30571
30572         PR middle-end/43083
30573         * graphite-scop-detection.c (create_single_exit_edge): Move
30574         the call to find_single_exit_edge to....
30575         (create_sese_edges): ...here.  Don't handle multiple edges
30576         exiting the function.
30577         (build_graphite_scops): Don't handle multiple edges
30578         exiting the function.
30579
30580 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
30581
30582         PR middle-end/43097
30583         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
30584         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
30585
30586 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
30587
30588         PR middle-end/43026
30589         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
30590
30591 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30592
30593         PR c++/43126
30594         * c-typeck.c (convert_arguments): Print declaration location.
30595         * c-common.c (validate_nargs): Rename as
30596         builtin_function_validate_nargs.
30597         (check_builtin_function_arguments): Update.
30598
30599 2010-02-22  Richard Guenther  <rguenther@suse.de>
30600
30601         PR lto/43045
30602         * tree-inline.c (declare_return_variable): Use the type of
30603         the call stmt lhs if available.
30604
30605 2010-02-22  Duncan Sands  <baldrick@free.fr>
30606
30607         * passes.c (register_pass): Always consider all pass lists when
30608         ref_pass_instance_number is zero.
30609
30610 2010-02-22  Richard Guenther  <rguenther@suse.de>
30611
30612         PR tree-optimization/42749
30613         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
30614         parameter.  Do arithmetic in the original type.
30615         (update_accumulator_with_ops): Likewise.
30616         (adjust_accumulator_values): Adjust.
30617
30618 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
30619
30620         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
30621         (QI to BLKmode splitter): New splitter.
30622
30623 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
30624
30625         * config/i386/i386.c (initial_ix86_tune_features): Turn on
30626         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
30627
30628 2010-02-22  Richard Guenther  <rguenther@suse.de>
30629
30630         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
30631
30632 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
30633
30634         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
30635         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
30636         ($(T)crti.o, $(T)crtn.o): Remove rules.
30637
30638 2010-02-21  Tobias Burnus  <burnus@net-b.de>
30639
30640         PR fortran/35259
30641         * doc/invoke.texi (-fassociative-math): Document that this
30642         option is automatically enabled for Fortran.
30643
30644 2010-02-20  David S. Miller  <davem@davemloft.net>
30645
30646         * configure.ac: Test if linker and assembler properly support
30647         GOTDATA_OP relocations.
30648         * configure: Rebuild.
30649         * config.in: Likewise.
30650         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
30651         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
30652         (movsi_high_pic): Likewise.
30653         (movdi_lo_sum_pic): Likewise.
30654         (movdi_high_pic): Likewise.
30655         (movsi_pic_gotdata_op): New pattern.
30656         (movdi_pic_gotdata_op): Likewise.
30657         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
30658         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
30659
30660 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
30661
30662         PR target/43067
30663         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
30664         attribute to ssemul.
30665         (xop_mulv2div2di3_high): Ditto.
30666
30667 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30668
30669         PR c++/35669
30670         * c.opt (Wconversion-null): New option.
30671         * doc/invoke.texi (Wconversion-null): Document.
30672
30673 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30674
30675         * common.opt (Wlarger-than-): Add Undocumented.
30676
30677 2010-02-19  Mike Stump  <mikestump@comcast.net>
30678
30679         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
30680
30681 2010-02-19  Jason Merrill  <jason@redhat.com>
30682
30683         PR target/40332
30684         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
30685         * configure: Likewise.
30686
30687 2010-02-20  Alan Modra  <amodra@gmail.com>
30688
30689         PR middle-end/42344
30690         * cgraph.h (cgraph_make_decl_local): Declare.
30691         * cgraph.c (cgraph_make_decl_local): New function.
30692         (cgraph_make_node_local): Use it.
30693         * cgraphunit.c (cgraph_function_versioning): Likewise.
30694         * ipa.c (function_and_variable_visibility): Likewise.
30695
30696 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
30697
30698         PR bootstrap/43121
30699         * except.c (sjlj_emit_function_enter): Don't call
30700         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
30701         directly.
30702         * rtl.h (add_reg_br_prob_note): Remove prototype.
30703
30704 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30705
30706         PR 41779
30707         * c-common.c (conversion_warning): Remove widening conversions
30708         before checking the conversion of integers to reals.
30709
30710 2010-02-19  Mike Stump  <mikestump@comcast.net>
30711
30712         PR middle-end/43125
30713         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
30714
30715         PR objc/43061
30716         * cgraphunit.c (process_function_and_variable_attributes): Check
30717         DECL_PRESERVE_P instead of looking up attribute "used".
30718         * ipa-pure-const.c (check_decl): Likewise.
30719         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
30720         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
30721         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
30722         instead of attribute "used".
30723         * config/sol2-c.c (solaris_pragma_init): Likewise.
30724         (solaris_pragma_fini): Likewise.
30725
30726 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
30727
30728         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
30729         Use XCNEW instead of xcalloc.
30730         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
30731         XNEW instead of xmalloc.
30732         (get_fields): Use XNEWVEC instead of xmalloc.
30733
30734         PR debug/43084
30735         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
30736         populate vars array.
30737         (create_new_general_access): For debug stmts just reset value.
30738         (get_stmt_accesses): For accesses within debug stmts just record them
30739         using add_access_to_acc_sites instead of preventing the peeling or
30740         counting them as accesses.
30741
30742         PR middle-end/42233
30743         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
30744
30745 2010-02-19  Richard Guenther  <rguenther@suse.de>
30746
30747         PR tree-optimization/42916
30748         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
30749         instructions.
30750
30751 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
30752
30753         * configure.ac: Replace all uses of changequote in macro arguments
30754         with proper quoting.
30755
30756 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
30757
30758         PR middle-end/42233
30759         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
30760
30761 2010-02-19  Richard Guenther  <rguenther@suse.de>
30762
30763         PR tree-optimization/42944
30764         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
30765         test for aliasing with errno.
30766
30767 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
30768
30769         PR middle-end/42233
30770         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
30771         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
30772         * dojump.c: Include output.h.
30773         (inv): New inline function.
30774         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
30775         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
30776         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
30777         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
30778         argument, pass it down to other calls.
30779         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
30780         add REG_BR_PROB note to the conditional jump.
30781         * cfgexpand.c (add_reg_br_prob_note): Removed.
30782         (expand_gimple_cond): Don't call it, add the probability
30783         as last argument to jumpif_1/jumpifnot_1.
30784         * Makefile.in (dojump.o): Depend on output.h.
30785         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
30786         callers.
30787         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
30788         * stmt.c (do_jump_if_equal): Likewise.
30789         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
30790         * loop-unswitch.c (compare_and_jump_seq): Likewise.
30791         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
30792         Likewise.
30793         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
30794         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
30795         jumpifnot_1 callers.
30796         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
30797         callers.
30798         (store_expr): Adjust jumpifnot caller.
30799         (store_constructor): Adjust jumpif caller.
30800
30801         PR middle-end/42233
30802         * gimplify.c (gimple_boolify): For __builtin_expect call
30803         gimple_boolify also on its first argument.
30804
30805 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
30806
30807         * configure.ac (gnu-unique-object): Wrap regexps using [] in
30808         changequote block.
30809         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
30810         * configure: Regenerated.
30811
30812 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30813
30814         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
30815         lang_hooks.types_compatible_p instead of comptypes.
30816
30817 2010-02-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
30818
30819         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
30820         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
30821         if __prefer_thumb__ is defined.
30822
30823 2010-02-18  Martin Jambor  <mjambor@suse.cz>
30824
30825         PR tree-optimization/43066
30826         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
30827         array with zero-sized element type.
30828
30829 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
30830
30831         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
30832         rtx, allocate struct var_loc_node here and return it to the
30833         caller, and only if it is actually needed.
30834         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
30835         move it earlier and return immediately if it returns NULL.
30836
30837 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
30838
30839         * config/sparc/gas.h: New file.  Restore
30840         TARGET_ASM_NAMED_SECTION to its ELF default.
30841         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
30842         check !HAVE_GNU_AS.
30843         * config/sparc/sparc.c (sparc_elf_asm_named_section):
30844         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
30845         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
30846         after sparc/sysv4.h.
30847
30848 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
30849
30850         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
30851
30852 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
30853
30854         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
30855         patterns from predicated pattern.
30856
30857 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
30858
30859         PR target/43103
30860         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
30861         for insn mnemonic suffix.
30862
30863 2010-02-17  Richard Guenther  <rguenther@suse.de>
30864
30865         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
30866         to loop PHI nodes.
30867
30868 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
30869
30870         PR debug/42918
30871         * caller-save.c (save_call_clobbered_regs): If BB ends with
30872         a DEBUG_INSN, move any notes in between last real insn and the last
30873         DEBUG_INSN after the last DEBUG_INSN.
30874
30875 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
30876
30877         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
30878         Fix return type.  Fix argument type.  Explain meaning of return value.
30879
30880 2010-02-16  Richard Guenther  <rguenther@suse.de>
30881
30882         PR tree-optimization/41043
30883         * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
30884         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
30885         statements ...
30886         (vrp_visit_phi_node): ... but only for loop PHI nodes.
30887
30888 2010-02-16  Ira Rosen  <irar@il.ibm.com>
30889
30890         PR tree-optimization/43074
30891         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
30892         * tree-vect-loop.c (vect_analyze_loop_operations): Add
30893         vectorizable cycles in hybrid SLP check.
30894         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
30895
30896 2010-02-16  Richard Guenther  <rguenther@suse.de>
30897
30898         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
30899         (true_dependence): If memrefs_conflict_p computes must-alias
30900         trust it.  Move TBAA check after offset-based disambiguation.
30901         (canon_true_dependence): Likewise.
30902
30903 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
30904
30905         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
30906         * doc/invoke.texi: Document it.
30907         * var-tracking.c: Include toplev.h and params.h.
30908         (vt_find_locations): Return bool indicating success.  Compute
30909         hash sizes unconditionally.  Check new parameter, report.
30910         (variable_tracking_main_1): Check vt_find_locations results and
30911         retry.  Renamed from...
30912         (variable_tracking_main): ... this.  New wrapper to preserve
30913         flag_var_tracking_assignments.
30914         * Makefile.in (var-tracking.o): Adjust dependencies.
30915
30916 2010-02-16  Jack Howarth  <howarth@bromo.med.uc.edu>
30917             Jakub Jelinek  <jakub@redhat.com>
30918
30919         PR target/42854
30920         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
30921         if weak_import attribute is present.
30922         * config/darwin.c (machopic_select_section): Likewise.
30923
30924 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
30925
30926         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
30927         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
30928         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
30929         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
30930
30931         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
30932         types.
30933
30934         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
30935         Fix argument types.
30936
30937         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
30938         Rewrite text to refer to the names.
30939
30940 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
30941
30942         * config/i386/i386-builtin-types.def
30943         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
30944         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
30945         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
30946         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
30947         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
30948         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
30949         IX86_BUILTIN_VPERMIL2PS256.
30950         (MULTI_ARG_4_DF2_DI_I): Defined.
30951         (MULTI_ARG_4_DF2_DI_I1): Defined.
30952         (MULTI_ARG_4_SF2_SI_I): Defined.
30953         (MULTI_ARG_4_SF2_SI_I1): Defined.
30954         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
30955         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
30956         __builtin_ia32_vpermil2ps256.
30957         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
30958         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
30959         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
30960         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
30961         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
30962         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
30963         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
30964         CODE_FOR_xop_vpermil2v8sf3.
30965         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
30966         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
30967         * config/i386/xopintrin.h (_mm_permute2_pd): New.
30968         (_mm256_permute2_pd): New.
30969         (_mm_permute2_ps): New.
30970         (_mm256_permute2_ps): New.
30971
30972 2010-02-15  Nick Clifton  <nickc@redhat.com>
30973
30974         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
30975         boolean parameters.  Use emit_jump_insn when emitting a pop
30976         instruction containing a return insn.
30977         (push): Use 'true' rather than '1' as second parameter to F.
30978         (h8300_expand_prologue): Likewise.
30979         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
30980         (h8300_expand_epilogue): Likewise.
30981
30982 2010-02-15  Richard Guenther  <rguenther@suse.de>
30983
30984         PR middle-end/43068
30985         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
30986         if that is zero.
30987
30988 2010-02-15  Nick Clifton  <nickc@redhat.com>
30989
30990         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
30991         delta.
30992
30993 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
30994
30995         * intl.c (fake_ngettext): New function.
30996         * intl.h (fake_ngettext): Declare.
30997         (ngettext): Define macro.
30998         * collect2.c (notice_translated): New function.
30999         (main): Use notice_translated and ngettext.
31000         * collect2.h (notice_translated): Declare.
31001
31002 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
31003
31004         * reorg.c (delete_computation): Comment fixes.
31005         * caller-save.c (setup_save_areas): Idem.
31006         * sel-sched-dump.c (dump_lv_set): Idem.
31007         * rtl.def: Idem.
31008
31009 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
31010
31011         * config/s390/s390.c (s390_sched_init): New function.
31012         (TARGET_SCHED_INIT): Target hook defined.
31013
31014 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
31015             Jack Howarth  <howarth@bromo.med.uc.edu>
31016             Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
31017
31018         PR target/42982
31019         Partial revert of unintended change in fix for PR41605.
31020         * config/darwin.h: Fix typo.
31021         * config/darwin9.h: Same.
31022
31023 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
31024
31025         * c-pch.c (pch_init): Clear v.
31026
31027 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
31028
31029         PR middle-end/42930
31030         * graphite-scop-detection.c (graphite_can_represent_scev): Call
31031         graphite_can_represent_init for MULT_EXPR.
31032
31033 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
31034
31035         PR middle-end/42914
31036         PR middle-end/42530
31037         * graphite-sese-to-poly.c (remove_phi): New.
31038         (translate_scalar_reduction_to_array): Call remove_phi.
31039
31040 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
31041
31042         PR middle-end/42771
31043         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
31044         * graphite-clast-to-gimple.h (gloog): Update declaration.
31045         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
31046         * graphite-poly.h (struct poly_bb): Add missing comments.
31047         (struct scop): Add poly_scop_p field.
31048         (POLY_SCOP_P): New.
31049         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
31050         * graphite.c (graphite_transform_loops): Build the polyhedral
31051         representation for each scop before code generation.
31052         * sese.c (rename_variables_in_operand): Removed.
31053         (rename_variables_in_expr): Return the renamed expression.
31054         (rename_sese_parameters): New.
31055         * sese.h (rename_sese_parameters): Declared.
31056
31057 2010-02-11  Richard Guenther  <rguenther@suse.de>
31058
31059         PR tree-optimization/42998
31060         * tree-ssa-pre.c (create_expression_by_pieces): Treat
31061         POINTER_PLUS_EXPR properly.
31062
31063 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
31064             Changpeng Fang  <changpeng.fang@amd.com>
31065
31066         PR middle-end/40886
31067         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
31068         the cost of an IV candidate when the IV is used in a test against zero.
31069
31070         * gcc.dg/tree-ssa/ivopts-3.c: New.
31071
31072 2010-02-11  Richard Guenther  <rguenther@suse.de>
31073
31074         PR lto/41664
31075         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
31076         pointer-vs-decl case by swapping refs.  Handle some cases
31077         of pointer-vs-decl disambiguations more conservatively.
31078         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
31079         to false after expanding.
31080
31081 2010-02-11  Richard Guenther  <rguenther@suse.de>
31082
31083         PR driver/43021
31084         * gcc.c (process_command): Handle LTO file@offset case more
31085         appropriately.
31086
31087 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
31088
31089         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
31090         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
31091         of DEBUG_INSNs.
31092         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
31093
31094         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
31095         if MEM's mode size isn't DWARF2_ADDR_SIZE.
31096         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
31097         Optimize eq/ne comparisons when both arguments are known to be
31098         zero-extended.
31099         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
31100         Don't mask operands unnecessarily if they are known to be already
31101         zero-extended.
31102
31103 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
31104
31105         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
31106         instead of loop.
31107
31108 2010-02-10  Richard Guenther  <rguenther@suse.de>
31109
31110         PR tree-optimization/43017
31111         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
31112         for wrapping signed arithmetic.
31113
31114 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
31115
31116         PR debug/43010
31117         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
31118         if no debug info should be emitted for it.
31119
31120 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
31121
31122         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
31123         note when flag_exceptions is set.
31124
31125 2010-02-10  Duncan Sands  <baldrick@free.fr>
31126
31127         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
31128
31129 2010-02-10  Richard Guenther  <rguenther@suse.de>
31130
31131         PR c/43007
31132         * tree.c (get_unwidened): Handle constants.
31133         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
31134
31135 2010-02-10  Martin Jambor  <mjambor@suse.cz>
31136
31137         PR lto/42985
31138         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
31139         check for variable argument counts independently.
31140
31141 2010-02-10  Christian Bruel  <christian.bruel@st.com>
31142
31143         PR target/42841
31144         * config/sh/sh.c (find_barrier): Increase length for non delayed
31145         conditional branches.
31146
31147 2010-02-10  Christian Bruel  <christian.bruel@st.com>
31148
31149         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
31150
31151 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
31152
31153         * builtins.c (set_builtin_user_assembler_name): Also handle
31154         ffs if int is smaller than word.
31155
31156 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
31157
31158         PR middle-end/42973
31159         * ira-conflicts.c (get_dup): Remove.
31160         (process_reg_shuffles): Add new parameter.  Use it as an
31161         additional guard for copy generation.
31162         (add_insn_allocno_copies): Rewrite.
31163
31164 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
31165
31166         * common.opt (fsched2-use-traces): Preserved for backward
31167         compatibility.
31168         * doc/invoke.texi: Remove the documentation about option
31169         -fsched2-use-traces.
31170         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
31171         flag_sched2_use_traces.
31172         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
31173         the backward compatibility flag section.
31174
31175 2010-02-09  Richard Guenther  <rguenther@suse.de>
31176
31177         PR tree-optimization/43008
31178         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
31179         make HEAP variables initialized from global memory if they
31180         are not known builtin functions.
31181         (find_func_aliases): Adjust.
31182
31183 2010-02-09  Richard Guenther  <rguenther@suse.de>
31184
31185         PR tree-optimization/43000
31186         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
31187         arithmetic manually.
31188
31189 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
31190
31191         PR tree-optimization/42931
31192         * tree-loop-linear.c (try_interchange_loops): Don't call
31193         double_int_mul if estimated_loop_iterations failed.
31194
31195 2010-02-08  Martin Jambor  <mjambor@suse.cz>
31196
31197         PR middle-end/42898
31198         * tree-sra.c (build_accesses_from_assign): Do not mark in
31199         should_scalarize_away_bitmap if stmt has volatile ops.
31200         (sra_modify_assign): Do not process assigns piecemeal if if stmt
31201         has volatile ops.
31202
31203 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
31204
31205         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
31206
31207 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
31208
31209         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
31210         before the pattern.
31211
31212 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
31213
31214         PR middle-end/42946
31215         * df-core.c (df_finish_pass): Change type of saved_flags to int.
31216
31217 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
31218
31219         PR middle-end/42988
31220         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
31221         to unknown_dependence.
31222         (graphite_legal_transform_dr): Handle the unknown_dependence.
31223         (graphite_carried_dependence_level_k): Same.
31224
31225 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
31226
31227         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
31228
31229 2010-02-07  Richard Guenther  <rguenther@suse.de>
31230
31231         PR middle-end/42991
31232         * expr.c (get_inner_reference): Always initialize *pbitsize.
31233
31234 2010-02-07  Richard Guenther  <rguenther@suse.de>
31235
31236         PR middle-end/42956
31237         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
31238         new ARRAY_REFs on variable size element or minimal index arrays.
31239         Complete.
31240         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
31241         gimple_fold_indirect_ref.
31242
31243 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
31244
31245         PR target/42957
31246         * arm.c (arm_override_options): Just return if the user has specified
31247         an invalid fpu name.
31248
31249 2010-02-03  Jason Merrill  <jason@redhat.com>
31250
31251         PR c++/42870
31252         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
31253         i386_pe_maybe_record_exported_symbol.
31254
31255 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
31256
31257         PR target/42924
31258         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
31259         (pa_delegitimize_address): New function.
31260
31261 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
31262
31263         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
31264         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
31265
31266 2010-02-05  Richard Guenther  <rguenther@suse.de>
31267
31268         PR lto/42762
31269         * lto-streamer-in.c (get_resolution): Deal with references
31270         to undefined functions.
31271
31272 2010-02-05  Richard Guenther  <rguenther@suse.de>
31273
31274         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
31275         (fold_const_aggregate_ref): Likewise.
31276         (ccp_fold_stmt): Substitute loads.
31277         (maybe_fold_reference): Verify types before substituting.
31278         Unshare properly.
31279         (fold_gimple_assign): Unshare properly.
31280         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
31281
31282 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
31283
31284         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
31285         for rs6000_gen_cell_microcode.
31286
31287 2010-02-04  Richard Guenther  <rguenther@suse.de>
31288
31289         PR rtl-optimization/42952
31290         * dse.c (const_or_frame_p): Remove MEM handling.
31291
31292 2010-02-04  Nick Clifton  <nickc@redhat.com>
31293
31294         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
31295         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
31296         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
31297         (mn10300_asm_output_mi_thunk): New function.
31298         (mn10300_can_output_mu_thunk): New function.
31299         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
31300         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
31301         (FUNCTION_ARG): Delete incorrect comment.
31302
31303 2010-02-03  Jason Merrill  <jason@redhat.com>
31304
31305         PR c++/40138
31306         * fold-const.c (operand_equal_p): Handle erroneous types.
31307
31308 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
31309
31310         * config/h8300/h8300.md (can_delay): Fix attibute condition.
31311
31312 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
31313
31314         PR rtl-optimization/42941
31315         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
31316         of xmalloc.
31317
31318 2010-02-03  Jason Merrill  <jason@redhat.com>
31319
31320         PR c++/35652
31321         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
31322
31323 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
31324
31325         PR debug/42896
31326         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
31327         (cselib_reset_table): Renamed from...
31328         (cselib_reset_table_with_next_value): ... this.
31329         (cselib_get_next_uid): Renamed from...
31330         (cselib_get_next_unknown_value): ... this.
31331         * cselib.c (next_uid): Renamed from...
31332         (next_unknown_value): ... this.
31333         (cselib_clear_table): Adjust.
31334         (cselib_reset_table): Adjust.  Renamed from...
31335         (cselib_reset_table_with_next_value): ... this.
31336         (cselib_get_next_uid): Adjust.  Renamed from...
31337         (cselib_get_next_unknown_value): ... this.
31338         (get_value_hash): Use hash.
31339         (cselib_hash_rtx): Likewise.
31340         (new_cselib_val): Adjust.  Set and dump uid.
31341         (cselib_lookup_mem): Pass next_uid as hash.
31342         (cselib_subst_to_values): Likewise.
31343         (cselib_log_lookup): Dump uid.
31344         (cselib_lookup): Pass next_uid as hash.  Adjust.
31345         (cselib_process_insn): Adjust.
31346         (cselib_init): Initialize next_uid.
31347         (cselib_finish): Adjust.
31348         (dump_cselib_table): Likewise.
31349         * dse.c (canon_address): Dump value uid.
31350         * print-rtl.c (print_rtx): Print value uid.
31351         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
31352         (dvuid): New type.
31353         (dv_uid): New function, sort of renamed from...
31354         (dv_htab_hash): ... this, reimplemented in terms of it and...
31355         (dv_uid2hash): ... this.  New.
31356         (variable_htab_eq): Drop excess assertions.
31357         (tie_break_pointers): Removed.
31358         (canon_value_cmp): Compare uids.
31359         (variable_post_merge_New_vals): Print uids.
31360         (vt_add_function_parameters): Adjust.
31361         (vt_initialize): Reset table.  Adjust.
31362
31363 2010-02-03  Richard Guenther  <rguenther@suse.de>
31364
31365         PR tree-optimization/42944
31366         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
31367         (call_may_clobber_ref_p_1): Likewise.  Properly handle
31368         malloc and calloc clobbering errno.
31369
31370 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
31371
31372         * doc/invoke.texi: Fix name of sched1 dump.
31373
31374         * opts.c (decode_options): Set flag_tree_switch_conversion
31375         only conditionally on optimize >= 2.
31376
31377         * gcse.c: Assorted comment fixes in pass description.
31378
31379 2010-02-03  Anthony Green  <green@moxielogic.com>
31380
31381         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
31382         nop padding in order to maintain alignment of storage location of
31383         target function address.
31384         (moxie_trampoline_init): Store target function address at newly
31385         aligned location.
31386         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
31387         to 32.
31388         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
31389
31390 2010-02-03  Richard Guenther  <rguenther@suse.de>
31391
31392         PR middle-end/42927
31393         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
31394
31395 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31396
31397         * config.gcc: Reenable check for obsolete targets.
31398         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
31399         mips-sgi-irix6.[0-4]*.
31400
31401 2010-02-02  Nick Clifton  <nickc@redhat.com>
31402
31403         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
31404         constant size of 4 as being the same as 0.
31405         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
31406         can take values in the range 0..4.
31407
31408 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
31409
31410         PR java/41991
31411         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
31412         as _darwin10_Unwind_FindEnclosingFunction().
31413         * libgcc-libsystem.ver: New.
31414
31415 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
31416
31417         PR target/41399
31418         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
31419         implicitly set registers.
31420
31421 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
31422
31423         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
31424         (arm_override_options): Allow automatic selection of the thread
31425         pointer register if thumb2.
31426         (legitimize_pic_address): Improve code sequences for Thumb2.
31427         (arm_call_tls_get_addr): Likewise.
31428         (legitimize_tls_address): Likewise.
31429         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
31430         (pic_load_addr_32bit): ... this.  New named pattern.
31431         * thumb2.md (pic_load_addr_thumb2): Delete.
31432         (pic_load_dot_plus_four): Delete.
31433         (tls_load_dot_plus_four): New named pattern.
31434
31435 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31436
31437         PR libgomp/29986
31438         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
31439         Document fix for TLS bug.
31440
31441 2010-01-31  Richard Guenther  <rguenther@suse.de>
31442
31443         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
31444         conservatively correct.
31445
31446 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31447
31448         PR target/42850
31449         Revert:
31450         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31451
31452         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
31453
31454 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
31455
31456         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
31457
31458 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
31459
31460         * config.gcc: Adjust order of makefile fragments for mingw targets.
31461
31462 2010-01-31  Richard Guenther  <rguenther@suse.de>
31463
31464         PR middle-end/42898
31465         * gimplify.c (gimplify_init_constructor): For volatile LHS
31466         initialize a temporary.
31467
31468 2010-01-31  Matthias Klose  <doko@ubuntu.com>
31469
31470         * configure.ac: Fix __stack_chk_fail check for cross builds configured
31471         --with-headers
31472         * configure: Regenerate.
31473
31474 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
31475
31476         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
31477         the same alias set and their sizes different constantness.
31478         (aliasing_component_refs_p): Revert 2009-10-24 change.
31479
31480 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31481
31482         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
31483         unused.
31484
31485 2010-01-29  Richard Guenther  <rguenther@suse.de>
31486
31487         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
31488         Assert we successfully updated the call.
31489
31490 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
31491
31492         PR rtl-optimization/42889
31493         * df.h (df_set_bb_dirty_nonlr): New prototype.
31494         * df-core.c (df_set_bb_dirty_nonlr): New function.
31495         * df-scan.c (df_insn_rescan): Call it instead of
31496         df_set_bb_dirty for DEBUG_INSNs.
31497
31498 2010-01-29  Richard Guenther  <rguenther@suse.de>
31499
31500         PR middle-end/37448
31501         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
31502         quadratic behavior in most cases.
31503
31504 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
31505
31506         PR target/42891
31507         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
31508         in the call to gen_x86_movsicc_0_m1.
31509
31510 2010-01-28  Richard Guenther  <rguenther@suse.de>
31511
31512         PR tree-optimization/42871
31513         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
31514
31515 2010-01-28  Richard Guenther  <rguenther@suse.de>
31516
31517         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
31518         into call arguments.
31519
31520 2010-01-28  Richard Guenther  <rguenther@suse.de>
31521
31522         PR middle-end/42883
31523         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
31524         the forwarder if the destination is an EH landing pad.
31525
31526 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
31527
31528         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
31529         block list passed to gimple_duplicate_sese_tail.
31530         (parallelize_loops): Avoid parallelization when the function
31531         has_nonlocal_label.
31532         Avoid parallelization when the preheader is IRREDUCIBLE.
31533         Try to optimize when estimated_loop_iterations_int is unresolved.
31534         Add the loop's location to the dump file.
31535         * tree-cfg.c (add_phi_args_after_redirect): Remove.
31536         (gimple_duplicate_sese_tail): Remove the check for the latch.
31537         Redirect nexits to the exit block.
31538         Remove handling of the incoming edges to the latch.
31539         Redirect the backedge from the copied latch to the exit bb.
31540
31541 2010-01-28  Michael Matz  <matz@suse.de>
31542
31543         PR target/42881
31544         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
31545         Wrap force_reg into a sequence, emit it before user.
31546
31547 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
31548
31549         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
31550         (arm_rev): New.
31551         (arm_legacy_rev): Likewise.
31552         (thumb_legacy_rev): Likewise.
31553
31554 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
31555
31556         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
31557         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
31558         on MEM's address failed, try avoid_constant_pool_reference and
31559         recurse if it returned something different.
31560         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
31561         address, try avoid_constant_pool_reference and recurse if it
31562         returned something different.
31563         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
31564         address and avoid_constant_pool_reference returned something
31565         different, don't set have_address.
31566
31567 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
31568
31569         PR debug/42861
31570         * var-tracking.c (val_store): Add modified argument, obey it.
31571         Adjust callers.
31572         (count_uses): Move down logging of main.
31573         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
31574         don't need resolution.
31575         (emit_notes_in_bb): Likewise.
31576
31577 2010-01-27  Richard Guenther  <rguenther@suse.de>
31578
31579         PR middle-end/42878
31580         * tree-inline.c (remap_decl): Delay remapping of SSA name
31581         default definitions until we need them.
31582
31583 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
31584
31585         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
31586         (rs6000_delegitimize_address): New function.
31587
31588         * config/s390/s390.c (s390_delegitimize_address): Call
31589         delegitimize_mem_from_attrs.
31590
31591         PR middle-end/42874
31592         * tree-inline.c (cannot_copy_type_1): Removed.
31593         (copy_forbidden): Don't forbid copying of functions containing
31594         records/unions with variable length fields.
31595
31596 2010-01-27  Christian Bruel  <christian.bruel@st.com>
31597
31598         Revert:
31599         PR target/42841
31600         * config/sh/sh.c (find_barrier): Increase length for non delayed
31601         conditional branches.
31602
31603 2010-01-27  Matthias Klose  <doko@ubuntu.com>
31604
31605         * configure.ac (gnu-unique-object): Fix ldd version check.
31606         * configure: Regenerate.
31607
31608 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31609
31610         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
31611         HAVE_GNU_AS value.
31612         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
31613         Test for HAVE_GNU_AS value.
31614
31615 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31616
31617         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
31618         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
31619         INT64_TYPE): Define.
31620         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
31621         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
31622         INT_LEAST64_TYPE): Define.
31623         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
31624         UINT_LEAST64_TYPE): Define.
31625         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
31626         INT_FAST64_TYPE): Define.
31627         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
31628         UINT_FAST64_TYPE): Define.
31629         (INTMAX_TYPE, UINTMAX_TYPE): Define.
31630         (INTPTR_TYPE, UINTPTR_TYPE): Define.
31631         (SIG_ATOMIC_TYPE): Define.
31632
31633 2010-01-26  Richard Guenther  <rguenther@suse.de>
31634
31635         * df-scan.c (df_scan_set_bb_info): Remove assert.
31636         (df_insn_rescan_debug_internal): Merge asserts.
31637         (df_install_ref): Likewise.
31638         (df_mark_reg): Use bitmap_set_range.
31639         (df_hard_reg_used_p): Remove assert.
31640         (df_hard_reg_used_count): Likewise.
31641
31642 2010-01-26  Richard Guenther  <rguenther@suse.de>
31643
31644         PR rtl-optimization/42685
31645         * web.c (web_main): Ignore DEBUG_INSNs.
31646
31647 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
31648
31649         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
31650
31651         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
31652         Fix types of fndecl and arglist parameters.
31653
31654 2010-01-26  Richard Guenther  <rguenther@suse.de>
31655
31656         PR middle-end/42806
31657         * tree-eh.c (unsplit_eh): Skip debug insns.
31658
31659 2010-01-26  Richard Guenther  <rguenther@suse.de>
31660
31661         PR tree-optimization/42250
31662         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
31663
31664 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
31665
31666         PR fortran/42866
31667         * omp-low.c (expand_omp_sections): Only use single_pred if
31668         l2_bb is single_pred_p.
31669
31670 2010-01-25  Christian Bruel  <christian.bruel@st.com>
31671
31672         PR target/42841
31673         * config/sh/sh.c (find_barrier): Increase length for non delayed
31674         conditional branches.
31675         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
31676
31677 2010-01-24  David S. Miller  <davem@davemloft.net>
31678
31679         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
31680         define if not using GAS.
31681         * config/sparc/sparc.c (sparc_elf_asm_named_section):
31682         Likewise.  Delete SECTION_MERGE code, which is only applicable
31683         when using GAS.
31684
31685 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
31686
31687         PR c++/42748
31688         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
31689         mangling of va_list in system headers.
31690
31691 2010-01-23  Toon Moene  <toon@moene.org>
31692
31693         * tree-predcom.c (combine_chains): Return NULL, not false.
31694
31695 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
31696
31697         * tree-loop-distribution.c (distribute_loop): Fix declaration and
31698         initialization of variable res to agree with return type.
31699
31700 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
31701
31702         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
31703         * tree-sra.c: Add include of expr.h.
31704
31705 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
31706
31707         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
31708         insert the debug stmt on the single non-EH edge from the stmt.
31709
31710 2010-01-22  Richard Henderson  <rth@redhat.com>
31711
31712         PR tree-opt/42833
31713         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
31714         the RHS until after generate_subtree_copies has insertted its
31715         code before the current statement.
31716
31717 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
31718
31719         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
31720
31721         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
31722
31723 2010-01-21  Martin Jambor  <mjambor@suse.cz>
31724
31725         PR tree-optimization/42585
31726         * tree-sra.c (struct access): New field grp_total_scalarization.
31727         (dump_access): Dump the new field.
31728         (should_scalarize_away_bitmap): New variable.
31729         (cannot_scalarize_away_bitmap): Likewise.
31730         (sra_initialize): Allocate new bitmaps.
31731         (sra_deinitialize): Free new bitmaps.
31732         (create_access_1): New function.
31733         (create_access): Parts moved to create_access_1.
31734         (type_consists_of_records_p): New function.
31735         (completely_scalarize_record): Likewise.
31736         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
31737         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
31738         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
31739         access.
31740         (analyze_all_variable_accesses): Completely scalarize small eligible
31741         records.
31742
31743 2010-01-21  Martin Jambor  <mjambor@suse.cz>
31744
31745         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
31746
31747 2010-01-21  Andrew Haley  <aph@redhat.com>
31748
31749         * gcc.c (process_command): Move lang_specific_driver before
31750         setting cc_libexec_prefix.
31751
31752 2010-01-21  Richard Guenther  <rguenther@suse.de>
31753
31754         PR middle-end/19988
31755         * fold-const.c (negate_expr_p): Pretend only negative
31756         real constants are easily negatable.
31757
31758 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
31759             Jason Merrill  <jason@redhat.com>
31760
31761         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
31762         (TYPE_TRANSPARENT_AGGR): this, for union and record.
31763         * calls.c (initialize argument_information): Handle it.
31764         * c-common.c (handle_transparent_union_attribute): Use new name.
31765         * c-decl.c (finish_struct): Ditto.
31766         * c-typeck.c (type_lists_compatible_p): Ditto.
31767         (convert_for_assignment): Use new name and also handle record.
31768         * function.c (aggregate_value_p): Handle it.
31769         (pass_by_reference): Ditto.
31770         (assign_parm_data_types): Ditto.
31771         * print-tree.c (print_node): Ditto.
31772         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
31773         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
31774         * tree.c (first_field): New fn.
31775
31776 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
31777
31778         PR target/42818
31779         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
31780         even when linking statically, for now.
31781
31782 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
31783
31784         PR debug/42715
31785         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
31786         without a cselib val.
31787         (count_uses): Accept MO_VAL_SET with no val on stores.
31788         (add_stores): Likewise.
31789
31790 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
31791
31792         * var-tracking.c (check_value_val): Add a compile time assertion.
31793         (dv_is_decl_p): Simplify.
31794         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
31795         gcc_assert if ENABLE_CHECKING.
31796
31797 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
31798
31799         PR debug/42782
31800         * var-tracking.c: Include tree-flow.h.
31801         (mem_dies_at_call): New.
31802         (dataflow_set_preserve_mem_locs): Use it.
31803         (dataflow_set_remove_mem_locs): Likewise.
31804         (dump_var): Renamed from dump_variable.  Adjust all callers.
31805         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
31806         * Makefile.in (var-tracking.o): Adjust deps.
31807
31808 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
31809
31810         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
31811
31812 2010-01-20  Richard Guenther  <rguenther@suse.de>
31813
31814         PR tree-optimization/42717
31815         * tree-ssa-dce.c (get_live_post_dom): Remove.
31816         (forward_edge_to_pdom): Take an arbitrary edge to copy
31817         degenerate PHI args from.
31818         (remove_dead_stmt): Use the first post-dominator even if it
31819         does not contain live statements as redirection destination.
31820
31821 2010-01-20  Richard Guenther  <rguenther@suse.de>
31822
31823         * tree-inline.c (estimate_num_insns): Handle EH builtins.
31824
31825 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
31826
31827         * sel-sched.c (create_speculation_check): Remove set but not used
31828         variable twin.
31829         (try_transformation_cache): Remove set but not used variable ds.
31830         (calculate_privileged_insns): Remove set but not used variables
31831         cur_insn and min_spec_insn.
31832         (find_best_expr): Remove set but not used variable avail_n.
31833         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
31834         variable e.
31835         * cgraphunit.c (assemble_thunk): Remove set but not used variable
31836         false_label.
31837         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
31838         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
31839         new_scop_exit_edge.
31840
31841 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
31842
31843         PR bootstrap/42786
31844         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
31845         cpu types.  Add support for *-sse3 cpu types.
31846         (x86_64-*-*): Ditto.
31847
31848 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
31849
31850         PR middle-end/42803
31851         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
31852         argument, call initializer_constant_valid_p_1 instead of
31853         initializer_constant_valid_p, pass CACHE to it, return NULL
31854         immediately if first call returns NULL.
31855         (initializer_constant_valid_p_1): New function.
31856         (initializer_constant_valid_p): Use it.
31857
31858 2010-01-20  Thomas Quinot  <quinot@adacore.com>
31859
31860         * tree.def (PLACEHOLDER_EXPR): Fix comment.
31861
31862 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
31863
31864         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
31865         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
31866         (loc_list_from_tree): Don't handle unsigned division.  Handle
31867         signed modulo using DW_OP_{over,over,div,mul,minus}.
31868         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
31869         modulo instead of signed.
31870
31871 2010-01-20  DJ Delorie  <dj@redhat.com>
31872
31873         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
31874         (Fpa): Pass it
31875         (h8300_emit_stack_adjustment): Propogate it.
31876         (push): Pass it.
31877         (h8300_expand_prologue): Likewise.
31878         (h8300_expand_epilogue): Likewise.
31879
31880 2010-01-19  Michael Matz  <matz@suse.de>
31881
31882         PR tree-optimization/41783
31883         * tree-data-ref.c (toplevel): Include flags.h.
31884         (dump_data_dependence_relation):  Also dump the inputs if the
31885         result will be unknown.
31886         (split_constant_offset_1): Look through some conversions.
31887         * tree-predcom.c (determine_roots_comp): Restart a new chain if
31888         the offset from last element is too large.
31889         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
31890         (reassociate_to_the_same_stmt): Handle vector registers.
31891         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
31892         (e.g. conversions).
31893         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
31894         wide_prolog_niters argument, emit widening instructions.
31895         (vect_do_peeling_for_alignment): Adjust caller, use widened
31896         variant of the iteration cound.
31897         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
31898
31899 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
31900
31901         PR target/38697
31902         * config/arm/neon-testgen.m (emit_automatics): New parameter
31903         features. Adjust for Fixed_return_reg feature.
31904         (test_intrinsic): Call emit_automatics with new feature.
31905         * config/arm/neon.ml: Update copyright years.
31906         (features): New Fixed_return_reg feature.
31907         (ops): Update feature for Vget_low.
31908
31909 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
31910
31911         PR tree-optimization/42719
31912         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
31913         stmt uses.
31914
31915         PR debug/42728
31916         * fwprop.c (all_uses_available_at): Return false if def_set dest
31917         is a REG that is used in def_insn.
31918
31919 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
31920
31921         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
31922
31923         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
31924         Add argument names.
31925
31926         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
31927
31928         * target.h (struct gcc_target) <secondary_reload>: Change type
31929         of last argument to secondary_reload_info *.
31930
31931 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
31932
31933         PR target/42774
31934         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
31935         memory references with unaligned offsets.  Remove CQImode handling.
31936         (unaligned_memory_operand): Return 1 for memory references with
31937         unaligned offsets.  Remove CQImode handling.
31938
31939 2010-01-18  Richard Guenther  <rguenther@suse.de>
31940
31941         PR middle-end/39954
31942         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
31943         builtin calls.
31944
31945 2010-01-18  Richard Guenther  <rguenther@suse.de>
31946
31947         PR tree-optimization/42781
31948         * tree-ssa-structalias.c (find_what_var_points_to): Skip
31949         restrict processing only if the original variable was artificial.
31950
31951 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
31952
31953         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
31954         find number of popped argument bytes.
31955
31956         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
31957         Fix the text that describes the return value for invalid insns.
31958
31959         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
31960
31961         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
31962         Clarify what 'cost of the -dependence' is.  Fix quoting.
31963
31964         * toplev.c (default_get_pch_validity): Rename argument to "sz".
31965         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
31966
31967 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
31968
31969         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
31970         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
31971
31972 2010-01-17  Richard Guenther  <rguenther@suse.de>
31973
31974         PR middle-end/42248
31975         * function.c (split_complex_args): Take a VEC to modify.
31976         (assign_parms_augmented_arg_list): Build a VEC instead of
31977         a chain of PARM_DECLs.
31978         (assign_parms_unsplit_complex): Take a VEC of arguments.
31979         Do not fixup unmodified parms.
31980         (assign_parms): Deal with the VEC.
31981         (gimplify_parameters): Likewise.
31982
31983 2010-01-17  Richard Guenther  <rguenther@suse.de>
31984
31985         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
31986         node existence check.
31987         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
31988         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
31989         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
31990         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
31991         (gimple_execute_on_growing_pred): Likewise.
31992
31993 2010-01-17  Richard Guenther  <rguenther@suse.de>
31994
31995         PR tree-optimization/42773
31996         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
31997         (compute_antic_aux): Likewise.
31998         (compute_partial_antic_aux): Likewise.
31999
32000 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
32001
32002         PR debug/42767
32003         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
32004         and US_TRUNCATE.
32005
32006 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
32007
32008         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
32009         appearance.
32010
32011         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
32012         Fix markup for strict argument.
32013
32014         (TARGET_SCHED_REORDER2): Fix argument types.
32015
32016         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
32017         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
32018
32019         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
32020         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
32021
32022         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
32023         Add argument name.
32024
32025         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
32026         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
32027         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
32028         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
32029         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
32030
32031         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
32032
32033         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
32034
32035         (TARGET_ASM_RELOC_RW_MASK): Add return type.
32036         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
32037
32038         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
32039
32040         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
32041         Use prototype.
32042
32043         (TARGET_ASM_NAMED_SECTION): Fix argument list.
32044
32045         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
32046         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
32047
32048         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
32049
32050         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
32051
32052         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
32053         referring to it.  Fix language.
32054
32055         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
32056
32057         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
32058
32059         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
32060
32061         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
32062
32063         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
32064         '@var{stream}.  Remove stray 'and'.
32065
32066         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
32067
32068         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
32069
32070         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
32071
32072         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
32073         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
32074
32075         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
32076         Fix description of return value.
32077         Rename argument "sz" to "len."
32078
32079         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
32080         Clarify meaning of 'true' return value.
32081
32082         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
32083
32084         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
32085         rep_mode versus mode_rep.
32086
32087         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
32088
32089         (TARGET_BUILTIN_DECL): Fix name.
32090
32091         (TARGET_COMMUTATIVE_P): Fix type of first argument.
32092
32093         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
32094
32095         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
32096
32097         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
32098
32099         (TARGET_RELAXED_ORDERING): Use @deftypevr.
32100
32101         (TARGET_GET_DRAP_RTX): Note that this is a hook.
32102         Clarify language.
32103
32104         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
32105         Rename argument tm_fn to md_fn.
32106
32107         (TARGET_OPTION_PRINT): Fix argument list.
32108
32109 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
32110
32111         PR target/42664
32112         * config/i386/i386.c (ix86_fixup_binary_operands):
32113         Revert FMA4 fixup of operands.
32114
32115 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
32116
32117         PR gcc/42525
32118         * Makefile.in (write_entries_to_file, install-plugin):
32119         Use \012 instead of \n with tr.
32120
32121 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
32122
32123         * configure.ac (HAVE_AS_REF): New C macro.
32124         * configure: Regenerate.
32125         * config.in: Likewise.
32126         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
32127         if HAVE_AS_REF.
32128         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
32129         if HAVE_AS_REF.
32130
32131 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
32132
32133         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
32134
32135         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
32136
32137         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
32138
32139         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
32140
32141         (TARGET_IN_SMALL_DATA_P): Fix argument type.
32142
32143         (TARGET_BINDS_LOCAL_P): Fix argument type.
32144
32145         (TARGET_ASM_FILE_END): Use prototype.
32146
32147         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
32148
32149         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
32150
32151         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
32152
32153         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
32154
32155         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
32156         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
32157
32158         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
32159         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
32160
32161         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
32162         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
32163         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
32164         (TARGET_ADDR_SPACE_CONVERT): Likewise.
32165
32166         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
32167
32168         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
32169
32170         (TARGET_INIT_BUILTINS): Use prototype.
32171
32172         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
32173         Put 'const char *' in braces.  Fix parameter types.
32174         (TARGET_INVALID_CONVERSION): Fix parameter types.
32175         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
32176         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
32177
32178         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
32179         Fix argument type.
32180
32181         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
32182
32183         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
32184
32185 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
32186
32187         * doc/tm.texi (TARGET_HELP): Fix return type.
32188
32189         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
32190         in braces.  Fix argument types.
32191
32192         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
32193
32194         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
32195
32196         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
32197
32198         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
32199         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
32200
32201         (TARGET_MANGLE_TYPE): Fix argument types.
32202
32203         (TARGET_IRA_COVER_CLASSES): Use prototype.
32204
32205         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
32206
32207         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
32208
32209         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
32210
32211         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
32212
32213         (TARGET_CALLEE_COPIES): Fix argument types.
32214
32215         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
32216
32217         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
32218
32219         (TARGET_FUNCTION_VALUE): Fix argument types.
32220
32221         (TARGET_RETURN_IN_MSB): Fix argument type.
32222
32223         (TARGET_RETURN_IN_MEMORY): Fix argument types.
32224
32225         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
32226
32227         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
32228
32229         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
32230         agree with return type.
32231
32232         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
32233
32234 2010-01-15  Jing Yu  <jingyu@google.com>
32235
32236         PR rtl-optimization/42691
32237         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
32238         a pseudo to a constant and are merged, and adjust comments.
32239
32240 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
32241
32242         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
32243
32244 2010-01-15  Richard Guenther  <rguenther@suse.de>
32245
32246         PR middle-end/42739
32247         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
32248         labels of computed or non-local gotos to the destination.
32249         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
32250         landing pad label is the first label.
32251
32252 2010-01-15  Richard Guenther  <rguenther@suse.de>
32253
32254         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
32255
32256 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
32257
32258         PR target/42747
32259         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
32260         to allow generation of the xssqrtdp instruction on power7.
32261         (sqrtdf2_fpr): Ditto.
32262
32263 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
32264
32265         PR middle-end/42674
32266         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
32267         functions with noreturn attribute.
32268
32269         PR c++/42608
32270         * varasm.c (declare_weak): Add weak attribute to decl if it
32271         doesn't have one already.
32272         (assemble_external): Only add decls to weak_decls if they also
32273         have weak attribute.
32274
32275 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
32276
32277         * var-tracking.c (var_reg_delete): Don't delete the association
32278         between REGs and values or one-part variables if the register
32279         isn't clobbered.
32280
32281 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
32282
32283         PR debug/42657
32284         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
32285         because its first operand is a non-localized variable.
32286
32287 2010-01-14  Martin Jambor  <mjambor@suse.cz>
32288
32289         PR tree-optimization/42706
32290         * tree-sra.c (encountered_recursive_call): New variable.
32291         (encountered_unchangable_recursive_call): Likewise.
32292         (sra_initialize): Initialize both new variables.
32293         (callsite_has_enough_arguments_p): New function.
32294         (scan_function): Call decl and flags check only for IPA-SRA, check
32295         whether there is a recursive call and whether it has enough arguments.
32296         (all_callers_have_enough_arguments_p): New function.
32297         (convert_callers): Look for recursive calls only when
32298         encountered_recursive_call is set.
32299         (ipa_early_sra): Bail out either if
32300         !all_callers_have_enough_arguments_p or
32301         encountered_unchangable_recursive_call.
32302
32303 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32304
32305         * sel-sched.c: Add 2010 to copyright years.
32306         * sel-sched-ir.c: Likewise.
32307         * sel-sched-ir.h: Likewise.
32308
32309 2010-01-14  Martin Jambor  <mjambor@suse.cz>
32310
32311         PR tree-optimization/42714
32312         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
32313         constructors specially.
32314
32315 2010-01-14  Andi Kleen  <ak@linux.intel.com>
32316
32317         * config/i386/drivers-i386.c (detect_caches_intel):
32318         Add l2sizekb parameter and fill in.
32319         (host_detect_local_cpu): Add l2sizekb, fill in.
32320         Add Atom small cache heuristic.
32321
32322 2010-01-14  Andi Kleen  <ak@linux.intel.com>
32323
32324         * config/i386/drivers-i386.c (detect_caches_cpuid4):
32325         Add level3 parameter and fill in.
32326         (detect_caches_intel): Handle level3 cache.
32327
32328 2010-01-14  Andi Kleen  <ak@linux.intel.com>
32329
32330         * config/i386/drivers-i386.c (host_detect_local_cpu):
32331         Fix core duo detection.
32332
32333 2010-01-14  Andi Kleen  <ak@linux.intel.com>
32334
32335         * config/i386/drivers-i386.c (host_detect_local_cpu):
32336         Fix Atom detection.
32337
32338 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32339
32340         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
32341         (rs6000_variable_issue_1): this.  Use...
32342         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
32343
32344 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32345
32346         * sel-sched-ir.c (sel_restore_other_notes): Rename to
32347         sel_restore_notes.  Update all callers.  Call reemit_notes
32348         for all insns.
32349
32350 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
32351
32352         PR rtl-optimization/42246
32353         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
32354         loops.
32355
32356 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
32357
32358         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
32359         all successors is the same as number of successors in current region.
32360
32361 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32362
32363         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
32364         to rename is not separable.  Otherwise check that its LHS is not NULL.
32365
32366 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32367
32368         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
32369
32370 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32371
32372         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
32373         available registers when failed to discover LHS register class.
32374         Fix indentation.  Update comment.
32375
32376 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
32377             Alexander Monakov  <amonakov@ispras.ru>
32378
32379         PR rtl-optimization/42389
32380         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
32381         to can_issue_more.
32382         (advance_state_on_fence): Likewise.
32383         (sel_target_adjust_priority): Print debug output only when
32384         sched_verbose >= 4, not 2.
32385         (get_expr_cost): Do not issue all unique insns on the next cycle.
32386         (fill_insns): Initialize can_issue_more from the value saved
32387         with the fence.
32388         * sel-sched-ir.c (flist_add): New parameter issue_more.
32389         Init FENCE_ISSUE_MORE with it.
32390         (merge_fences): Likewise.
32391         (init_fences): Update call to flist_add.
32392         (add_to_fences, add_clean_fence_to_fences)
32393         (add_dirty_fence_to_fences): Likewise.
32394         (move_fence_to_fences): Update call to merge_fences.
32395         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
32396         sched groups.
32397         * sel-sched-ir.h (struct _fence): New field issue_more.
32398         (FENCE_ISSUE_MORE): New accessor macro.
32399
32400 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
32401
32402         PR rtl-optimization/42388
32403         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
32404         that have no predecessors nor successors.  Do not call move_bb_info
32405         for empty blocks outside of current region.
32406
32407 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32408
32409         PR rtl-optimization/42294
32410         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
32411         * sel-sched.c (move_exprs_to_boundary): Transitively add all
32412         originators' originators.
32413
32414 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
32415
32416         PR rtl-optimization/39453
32417         PR rtl-optimization/42246
32418         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
32419         for pipelining_p.
32420         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
32421
32422 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
32423             Alexander Monakov  <amonakov@ispras.ru>
32424
32425         PR middle-end/42245
32426         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
32427         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
32428         argument.  Update all callers.
32429         (tidy_control_flow): ... and here.  Recompute topological order
32430         of basic blocks in region if necessary.
32431         (sel_redirect_edge_and_branch): Change return type.  Return true
32432         if topological order might have been invalidated.
32433         (purge_empty_blocks): Export and move from...
32434         * sel-sched.c (purge_empty_blocks): ... here.
32435         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
32436         (maybe_tidy_empty_bb): Delete prototype.
32437         (purge_empty_blocks): Declare.
32438
32439 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
32440
32441         PR rtl-optimization/42249
32442         * sel-sched.c (try_replace_dest_reg): When chosen register
32443         and original register is the same, do not bail out early, but
32444         still check all original insns for validity of replacing destination
32445         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
32446         in this case.
32447
32448 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
32449
32450         PR c/42721
32451         Port from no-undefined-overflow branch:
32452         2009-03-09  Richard Guenther  <rguenther@suse.de>
32453
32454         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
32455
32456 2010-01-14  Richard Guenther  <rguenther@suse.de>
32457
32458         PR lto/42665
32459         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
32460
32461 2010-01-14  Ira Rosen  <irar@il.ibm.com>
32462
32463         PR tree-optimization/42709
32464         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
32465         as scalar type in creation of constant vector operand.
32466
32467 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
32468
32469         PR testsuite/42414
32470         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
32471         (check-parallel-%): Match `testsuite' directory component only
32472         at the end.
32473
32474 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
32475
32476         PR translation/39521
32477         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
32478         strings with _().
32479
32480 2010-01-13  Richard Guenther  <rguenther@suse.de>
32481
32482         PR tree-optimization/42730
32483         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
32484         offset zero.
32485
32486 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
32487
32488         PR target/pr42542
32489         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
32490         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
32491         them signed.
32492
32493 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
32494
32495         * config/bfin/libgcc-bfin.ver: Regenerate based on current
32496         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
32497         ___umulsi3_highpart.
32498
32499         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
32500         rather than schedule_insns if the pass is enabled.
32501
32502 2010-01-13  Martin Jambor  <mjambor@suse.cz>
32503
32504         PR tree-optimization/42704
32505         * tree-sra.c (sra_modify_assign): Do not delete assignments to
32506         SSA_NAMEs.
32507
32508 2010-01-13  Martin Jambor  <mjambor@suse.cz>
32509
32510         PR tree-optimization/42703
32511         * tree-sra.c (analyze_access_subtree): Check that we can build a
32512         reference to the original data within the aggregate.
32513
32514 2010-01-13  Richard Guenther  <rguenther@suse.de>
32515
32516         PR tree-optimization/42705
32517         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
32518
32519 2010-01-13  Richard Guenther  <rguenther@suse.de>
32520
32521         PR middle-end/42716
32522         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
32523
32524 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
32525
32526         PR debug/41371
32527         * var-tracking.c (values_to_unmark): New variable.
32528         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
32529         values_to_unmark vector.  Moved body to...
32530         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
32531         instead queue it into values_to_unmark vector.
32532         (vt_find_locations): Free values_to_unmark vector.
32533
32534 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
32535
32536         * config/s390/s390.c (override_options): Set
32537         default of max-pending-list-length to 256
32538
32539 2010-01-13  Richard Guenther  <rguenther@suse.de>
32540
32541         PR lto/42678
32542         * tree-pass.h (PROP_gimple_lcx): New.
32543         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
32544         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
32545         before the final cleanup_eh.
32546         (dump_properties): Dump PROP_gimple_lcx.
32547         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
32548         (tree_lower_complex_O0): Remove.
32549         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
32550         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
32551         tree_lower_complex, schedule TODO_update_ssa.
32552         * lto-streamer-out.c (output_function): Stream the functions
32553         properties.
32554         * lto-streamer-in.c (input_function): Likewise.
32555         (lto_read_body): Do not override them here.
32556
32557 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
32558
32559         PR c/42708
32560         * c-typeck.c (build_c_cast): Fold value cast to union type before
32561         wrapping it in a CONSTRUCTOR.
32562
32563 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
32564
32565         PR rtl-optimization/42699
32566         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
32567         involved.
32568
32569 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
32570
32571         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
32572         SUBTARGET_WARN_UNUSED_SPEC): Move ...
32573         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
32574         SUBTARGET_WARN_UNUSED_SPEC): ... here
32575         * config/mips/iris5.h (LIBGCC_SPEC): Define.
32576
32577 2010-01-12  Julian Brown  <julian@codesourcery.com>
32578
32579         * config/arm/neon-schedgen.ml (Utils): Don't try to
32580         open missing module.
32581         (find_with_result): New.
32582
32583 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
32584
32585         PR debug/42662
32586         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
32587         sharing when canonicalizing ({lt,ge}u (plus a b) b).
32588
32589         PR tree-optimization/42645
32590         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
32591         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
32592         decl_map, set processing_debug_stmt to -1 and return name without
32593         any remapping.
32594
32595 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
32596
32597         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
32598         binutils version, and reword target configuration description.
32599
32600 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
32601
32602         * config/avr/avr.h (LINKER_NAME): Remove.
32603
32604 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
32605
32606         PR target/42416
32607         * config/rs6000/rs6000.c (rs6000_override_options): On targets
32608         that support VSX, warn for -mno-altivec if vsx is not disabled,
32609         and disable vsx.
32610
32611 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
32612             Shujing Zhao  <pearly.zhao@oracle.com>
32613
32614         PR translation/42469
32615         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
32616         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
32617         character between option name and help text.
32618         * c.opt (imultilib): Likewise.
32619
32620 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
32621
32622         * lto-streamer-out.c (output_unreferenced_globals): Output static
32623         variables.
32624
32625 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
32626
32627         PR rtl-optimization/42621
32628         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
32629         optimizing for size.
32630         (duplicate_computed_gotos): Remove now-redundant check.
32631
32632 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
32633
32634         PR target/37454
32635         * configure.ac: Save and restore LDFLAGS and LIBS
32636         * configure: Regenerate.
32637
32638 2010-01-10  Richard Guenther  <rguenther@suse.de>
32639
32640         PR middle-end/42667
32641         * builtins.c (fold_builtin_strlen): Add type argument and
32642         convert the resulting length to it.
32643         (fold_builtin_1): Adjust.
32644
32645 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
32646
32647         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
32648         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
32649         1 insn.
32650         (num_insns_constant_wide): Adjust for that change.
32651
32652 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32653
32654         PR debug/42631
32655         * web.c (union_defs): Add used argument, to combine uses of
32656         uninitialized regs.
32657         (entry_register): Adjust type and tests of used argument.
32658         (web_main): Widen used for new use.  Pass it to union_defs.
32659         * df.h (union_defs): Adjust prototype.
32660
32661 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32662
32663         PR debug/42630
32664         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
32665         uses in new incoming argument.  Free body.
32666         (reset_debug_uses_in_loop): New.
32667         (analyze_insn_to_expand_var): Call the latter if the former found
32668         anything.  Fix whitespace.  Reject invalid dest overlaps before
32669         going through all insns in the loop.
32670
32671 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32672
32673         PR debug/42629
32674         * haifa-sched.c (dying_use_p): Debug insns don't count.
32675
32676 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32677
32678         PR middle-end/42363
32679         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
32680         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
32681         (verify_gimple_call): Reject LHS in noreturn calls.
32682
32683 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32684
32685         PR debug/42604
32686         PR debug/42395
32687         * tree-vect-loop-manip.c (adjust_info): New type.
32688         (adjust_vec): New pointer to vector.
32689         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
32690         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
32691         (slpeel_update_phis_for_duplicate_loop): Use them.
32692         (slpeel_update_phi_nodes_for_guard1): Likewise.
32693         (slpeel_update_phi_nodes_for_guard2): Likewise.
32694         (slpeel_tree_peel_loop_to_edge): Likewise.
32695         (vect_update_ivs_after_vectorizer): Likewise.
32696
32697 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32698
32699         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
32700         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
32701
32702 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
32703
32704         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
32705         bogus uninitialized warning.
32706
32707 2010-01-09  Richard Guenther  <rguenther@suse.de>
32708
32709         PR middle-end/42512
32710         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
32711         the evolution is compatible with the initial condition.
32712
32713 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
32714
32715         * gcc.c (process_command): Update copyright notice dates.
32716         * gcov.c (print_version): Likewise.
32717         * gcov-dump.c (print_version): Likewise.
32718         * mips-tfile.c (main): Likewise.
32719         * mips-tdump.c (main): Likewise.
32720
32721 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
32722
32723         PR target/41885
32724         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
32725         (rotlhi3): Delete.
32726         (rotlhi3_8): Delete.
32727         (rotlsi3): Delete.
32728         (rotlsi3_8): Delete.
32729         (rotlsi3_16): Delete.
32730         (rotlsi3_24): Delete.
32731         (rotl<mode>3): New.
32732         (*rotw<mode>3): New.
32733         (*rotb<mode>3): New.
32734         * config/avr/avr.c (avr_rotate_bytes): New function.
32735         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
32736
32737 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
32738
32739         PR target/37454
32740         * configure.ac: Modify -rdynamic check.
32741         * configure: Regenerate.
32742
32743 2010-01-08  DJ Delorie  <dj@redhat.com>
32744
32745         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
32746         register popping order.
32747
32748 2010-01-08  Richard Guenther  <rguenther@suse.de>
32749
32750         PR lto/42528
32751         * c.opt (fsigned-char): Also let LTO handle this option.
32752         (funsigned-char): Likewise.
32753
32754 2010-01-07  Richard Guenther  <rguenther@suse.de>
32755
32756         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
32757         (gimple_op): Likewise.
32758         (gimple_op_ptr): Likewise.
32759         (gimple_assign_set_lhs): Remove gcc_assert.
32760         (gimple_assign_set_rhs1): Likewise.
32761         (gimple_assign_set_rhs2): Likewise.
32762         (gimple_call_set_lhs): Likewise.
32763         (gimple_call_set_fn): Likewise.
32764         (gimple_call_set_fndecl): Likewise.
32765         (gimple_call_fndecl): Likewise.
32766         (gimple_call_return_type): Likewise.
32767         (gimple_call_set_chain): Likewise.
32768         (gimple_call_num_args): Likewise.
32769         (gimple_call_set_arg): Likewise.
32770         (gimple_cond_set_code): Likewise.
32771         (gimple_cond_set_lhs): Likewise.
32772         (gimple_cond_set_rhs): Likewise.
32773         (gimple_cond_set_true_label): Likewise.
32774         (gimple_cond_set_false_label): Likewise.
32775         (gimple_label_set_label): Likewise.
32776         (gimple_goto_set_dest): Likewise.
32777         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
32778         (gimple_debug_bind_get_value): Likewise.
32779         (gimple_debug_bind_get_value_ptr): Likewise.
32780         (gimple_debug_bind_set_var): Likewise.
32781         (gimple_debug_bind_set_value): Likewise.
32782         (gimple_debug_bind_reset_value): Likewise.
32783         (gimple_debug_bind_has_value_p): Likewise.
32784         (gimple_return_retval_ptr): Remove gcc_assert.
32785         (gimple_return_retval): Likewise.
32786         (gimple_return_set_retval): Likewise.
32787         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
32788         (safe_referenced_var_iterator): Remove.
32789         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
32790         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
32791         (fill_referenced_var_vec): Remove.
32792         (first_readonly_imm_use): Remove redundant gcc_assert.
32793         (phi_arg_index_from_use): Combine gcc_asserts.
32794         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
32795         (first_imm_use_stmt): Remove redundant gcc_assert.
32796         * tree-cfg.c (verify_gimple_call): Verify function and chain
32797         operands.  Verify arguments.
32798         (verify_types_in_gimple_stmt): Verify condition code and labels.
32799
32800 2010-01-07  Richard Guenther  <rguenther@suse.de>
32801
32802         PR tree-optimization/42641
32803         * sese.c (rename_map_elt_info): Use the SSA name version, do
32804         not hash pointers.
32805
32806 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
32807
32808         PR tree-optimization/42625
32809         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
32810         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
32811
32812 2010-01-07  Duncan Sands  <baldrick@free.fr>
32813
32814         * Makefile.in (PLUGIN_HEADERS): Add version.h.
32815
32816 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
32817
32818         PR target/42511
32819         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
32820         note itself is not function_invariant_p.
32821
32822 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
32823
32824         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
32825         Do not add the DF_NOTE problem.
32826         * store-motion.c (execute_rtl_store_motion): Likewise.
32827
32828 2010-01-07  Martin Jambor  <mjambor@suse.cz>
32829
32830         PR tree-optimization/42157
32831         * tree-sra.c (compare_access_positions): Stabilize sort if both
32832         accesses have integer types, return zero immediately if they are the
32833         same.
32834
32835 2010-01-06  Richard Henderson  <rth@redhat.com>
32836
32837         PR middle-end/41883
32838         * haifa-sched.c (add_to_note_list): Merge into ...
32839         (concat_note_lists): ... here, and ...
32840         (unlink_other_notes, rm_other_notes): Merge into...
32841         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
32842         NOTE_INSN_EPILOGUE_BEG.
32843
32844 2010-01-06  Richard Guenther  <rguenther@suse.de>
32845
32846         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
32847         not inline regular functions into always-inline functions.
32848
32849 2010-01-06  Nick Clifton  <nickc@redhat.com>
32850
32851         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
32852         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
32853         used together.
32854         (OVERRIDE_OPTIONS): Delete.
32855         (OPTIMIZATION_OPTIONS): Define.
32856         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
32857         * config/rx/rx.c (rx_handle_option): Issue an error message if
32858         -mcpu=rx200 and -fpu are used together.
32859         (rx_set_optimization_options): New function.  Issue an error
32860         message if an optimization attribute attempts to reset the FPU/
32861         math optimization pairing.
32862         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
32863         * config/rx/rx.opt: Set the default to 32-bit doubles.
32864         * config/rx/t-rx: Add multilibs for -nofpu option.
32865         * doc/invoke.texi: Update documentation of RX options.
32866
32867 2010-01-06  Richard Guenther  <rguenther@suse.de>
32868
32869         * tree-ssa-pre.c (name_to_id): New global.
32870         (alloc_expression_id): Simplify SSA name handling.
32871         (lookup_expression_id): Likewise.
32872         (init_pre): Zero name_to_id.
32873         (fini_pre): Free it.
32874
32875 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
32876
32877         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
32878
32879 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
32880
32881         PR target/42542
32882         * config/i386/sse.md (smaxv2di3): New.
32883         (umaxv2di3): Likewise.
32884         (sminv2di3): Likewise.
32885         (uminv2di3): Likewise.
32886
32887 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
32888
32889         PR target/42564
32890         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
32891         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
32892         (legitimize_tls_address): Likewise.
32893         (sparc_tls_referenced_p): Likewise.
32894         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
32895         and adjust calls to legitimize_pic_address.
32896         (legitimate_constant_p) Use sparc_tls_referenced_p.
32897         (legitimate_pic_operand_p): Likewise.
32898         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
32899         (sparc_tls_symbol_ref_1): Delete.
32900         (sparc_tls_referenced_p): Make static, recognize specific patterns.
32901         (legitimize_tls_address): Make static, handle CONST patterns.
32902         (legitimize_pic_address): Make static, remove unused parameter and
32903         adjust recursive calls.
32904         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
32905         and adjust call to legitimize_pic_address.
32906         (sparc_output_mi_thunk): Likewise.
32907
32908 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
32909             H.J. Lu  <hongjiu.lu@intel.com>
32910
32911         PR target/42542
32912         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
32913         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
32914         operands to make them signed.
32915
32916         Revert:
32917         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
32918
32919         PR target/42542
32920         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
32921         GTU to GT for V4SI and V2DI.
32922
32923         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
32924         (umin<mode>3): Removed.
32925         (uminv8hi3): New.
32926         (uminv4si3): Likewise.
32927
32928 2010-01-05  Martin Jambor  <mjambor@suse.cz>
32929
32930         PR tree-optimization/42462
32931         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
32932         current_function_decl to helper functions and macros.
32933
32934 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
32935
32936         PR bootstrap/41771
32937         * flags.h: Don't include real.h.
32938         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
32939         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
32940         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
32941         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
32942         * dominance.c: Update copyright.
32943         * gimple.c (walk_gimple_op): Remove inline.
32944         * tree-ssa-reassoc.c: Include real.h.
32945         * Makefile.in (FLAGS_H): Remove $(REAL_H).
32946         (tree-ssa-reassoc.o): Depend on $(REAL_H).
32947
32948 2010-01-05  Nick Clifton  <nickc@redhat.com>
32949
32950         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
32951         register to push into the stack frame when the accumulator has to
32952         be saved during interrupts.
32953
32954 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
32955
32956         * doc/invoke.texi: Remove the documentation about option
32957         -Wunreachable-code.
32958         * common.opt (Wunreachable-code):  Preserved for backward
32959         compatibility.
32960         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
32961         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
32962         the backward compatibility flag section.
32963
32964 2010-01-05  Richard Guenther  <rguenther@suse.de>
32965
32966         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
32967
32968 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
32969
32970         PR other/42611
32971         * cfgexpand.c (expand_one_var): Diagnose too large variables.
32972
32973         PR tree-optimization/42508
32974         * tree-sra.c (convert_callers): Check for recursive call
32975         by comparing cgraph nodes instead of decls.
32976         (modify_function): Call ipa_modify_formal_parameters also
32977         on all same_body aliases.
32978
32979         * cgraphunit.c (cgraph_materialize_all_clones): Compare
32980         cgraph nodes when checking for same_body aliases.
32981
32982 2010-01-05  Richard Guenther  <rguenther@suse.de>
32983
32984         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
32985         allocation and lookup.
32986         (get_or_alloc_expr_for_constant): Likewise.
32987         (phi_translate): Sink allocation.
32988
32989 2010-01-04  Richard Guenther  <rguenther@suse.de>
32990
32991         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
32992         a new entry only if needed.
32993         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
32994         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
32995         hashtable lookup.
32996         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
32997         the result array.
32998         (phi_translate): Handle CONSTANTs early.
32999
33000 2010-01-04  Martin Jambor  <mjambor@suse.cz>
33001
33002         PR tree-optimization/42398
33003         * tree-sra.c (struct access): Removed flag grp_different_types.
33004         (dump_access): Do not dump the removed flag.
33005         (sort_and_splice_var_accesses): Do not set the removed flag.
33006         (sra_modify_expr): Check for type compatibility directly.
33007
33008 2010-01-04  Martin Jambor  <mjambor@suse.cz>
33009
33010         PR tree-optimization/42366
33011         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
33012         edges with variable number of parameters.
33013         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
33014         flag instead of asserting it.
33015         (ipa_read_node_info): Read uses_analysis_done flag.
33016
33017 2010-01-04  Richard Guenther  <rguenther@suse.de>
33018
33019         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
33020         iterative_hash_* as intended.
33021         (vn_reference_compute_hash): Likewise.  Simplify hashing
33022         SSA names.
33023         (vn_reference_lookup_2): Likewise.
33024         (vn_nary_op_compute_hash): Likewise.
33025         (vn_phi_compute_hash): Likewise.
33026         (expressions_equal_p): Remove strange code.
33027         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
33028         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
33029         (bitmap_insert_into_set_1): Take value-id as parameter.
33030         (add_to_value): Pass it.
33031         (bitmap_insert_into_set): Likewise.
33032         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
33033
33034 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
33035
33036         PR driver/42442
33037         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
33038         (do_self_spec): For switches with SWITCH_IGNORE set set also
33039         SWITCH_IGNORE_PERMANENTLY.
33040         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
33041         of SWITCH_IGNORE.
33042
33043 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
33044
33045         * lto-streamer-out.c (output_unreferenced_globals): Output the full
33046         tree of an unreferenced global var.
33047
33048 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
33049
33050         PR target/42542
33051         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
33052         GTU to GT for V4SI and V2DI.
33053
33054         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
33055         (umin<mode>3): Removed.
33056         (uminv8hi3): New.
33057         (uminv4si3): Likewise.
33058
33059 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
33060
33061         PR lto/42581
33062         * collect2.c (main): Turn on trace in collect2 if -v is passed
33063         to gcc with LTO.
33064
33065 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
33066
33067         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
33068         description of expression operand.
33069
33070 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
33071
33072         * configure.ac: Add install-html to target_list for Make-hooks.
33073         * configure: Regenerate.
33074         * fortran/Make-lang.in (F95_HTMLFILES): New.
33075         (fortran.html): Use it.
33076         (fortran.install-html): New.
33077         * Makefile.in (install-html): Add lang.install-html.
33078         * java/Make-lang.in (JAVA_HTMLFILES): New.
33079         (java.html): Use it.
33080         (java.install-html): New.
33081         * objc/Make-lang.in (objc.install-html): New.
33082         * objcp/Make-lang.in (obj-c++.install-html): New.
33083         * cp/Make-lang.in (c++.install-html): New.
33084         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
33085         * lto/Make-lang.in (lto.install-html): New.
33086
33087 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
33088
33089         PR lto/42520
33090         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
33091
33092 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
33093
33094         PR rtl-optimization/41862
33095         * store-motion.c (store_killed_in_insn, compute_store_table,
33096         remove_reachable_equiv_notes, replace_store_insn,
33097         build_store_vectors): Ignore all DEBUG_INSNs.
33098
33099 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
33100
33101         PR lto/41564
33102         * common.opt: Add dumpdir.
33103
33104         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
33105         isn't specified.
33106         (option_map): Add --dumpdir.
33107
33108         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
33109
33110         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
33111
33112         * opts.c (decode_options): Try dump_dir_name first if
33113         dump_base_name isn't an absolute path.
33114         (common_handle_option): Handle OPT_dumpdir.
33115
33116         * toplev.c (dump_dir_name): New.
33117         (print_switch_values): Also ignore -dumpdir.
33118
33119         * toplev.h (dump_dir_name): New.
33120
33121 2010-01-03  Richard Guenther  <rguenther@suse.de>
33122
33123         PR tree-optimization/42589
33124         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
33125         double-word expansion of bswap32.
33126
33127 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
33128
33129         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
33130         with BLOCK_FOR_INSN.
33131         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
33132         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
33133         noce_process_if_block): Likewise.
33134         * gcse.c (compute_local_properties, insert_expr_in_table,
33135         insert_set_in_table, canon_list_insert, find_avail_set,
33136         pre_insert_copy_insn): Likewise.
33137
33138         * basic-block.h (BLOCK_NUM): Move from here...
33139         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
33140
33141 2010-01-03  Richard Guenther  <rguenther@suse.de>
33142
33143         PR tree-optimization/42438
33144         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
33145         contains_may_not_return_call flag.
33146         (BB_MAY_NOTRETURN): New.
33147         (valid_in_sets): Trapping nary operations are not valid
33148         in blocks that may not return.
33149         (insert_into_preds_of_block): Remove check for trapping expressions.
33150         (compute_avail): Compute also BB_MAY_NOTRETURN.
33151
33152 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
33153
33154         * doc/invoke.texi: Add 2010 to copyright years.
33155
33156 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
33157
33158         * config/sparc/sparc.c: Fix formatting nits.
33159
33160 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
33161             Alexander Monakov  <amonakov@ispras.ru>
33162
33163         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
33164
33165 2010-01-02  Richard Guenther  <rguenther@suse.de>
33166
33167         PR middle-end/42577
33168         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
33169         (simplify_switch_using_ranges): Mark to be removed edges
33170         as non-executable.
33171
33172 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33173
33174         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
33175
33176         * collect2.c (scan_libraries): Add missing argument in call to
33177         scan_prog_file.
33178
33179 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
33180
33181         PR target/42448
33182         * config/alpha/predicates.md (aligned_memory_operand): Return false
33183         for CQImode.
33184         (unaligned_memory_operand): Return true for CQImode.
33185         * config/alpha/alpha.c (get_aligned_mem): Assert that location
33186         doesn not cross aligned SImode word boundary.
33187
33188 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
33189
33190         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
33191         Remove.
33192         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
33193         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
33194
33195 2010-01-02  Richard Guenther  <rguenther@suse.de>
33196
33197         PR lto/41597
33198         * toplev.c (compile_file): Emit LTO marker properly.  Change
33199         it to __gnu_lto_v1.
33200         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
33201
33202 2010-01-01  Richard Guenther  <rguenther@suse.de>
33203
33204         PR debug/42455
33205         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
33206
33207 2010-01-01  Richard Guenther  <rguenther@suse.de>
33208
33209         PR c/42570
33210         * c-decl.c (grokdeclarator): For zero-size arrays force
33211         structural equality checks as layout_type does.
33212
33213 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
33214
33215         * builtins.c: Update copyright to 2010.
33216
33217 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
33218
33219         PR lto/42531
33220         * lto-streamer-out.c (produce_asm): Revert the last change.
33221         (copy_function): Likewise.
33222
33223         * lto-streamer.c (lto_get_section_name): Skip any leading
33224         asterisk in name.
33225
33226 2010-01-01  Richard Guenther  <rguenther@suse.de>
33227
33228         PR middle-end/42559
33229         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
33230         for LABEL_DECLs.
33231
33232 \f
33233 Copyright (C) 2010 Free Software Foundation, Inc.
33234
33235 Copying and distribution of this file, with or without modification,
33236 are permitted in any medium without royalty provided the copyright
33237 notice and this notice are preserved.