gcc/ChangeLog

   1 2008-08-29  Richard Guenther  <rguenther@suse.de>
   2
   3         * common.opt (ftree-store-ccp): Mark as preserved for
   4         backward compatibility.
   5         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
   6         * tree-pass.h (pass_store_ccp): Remove.
   7         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
   8         (first_vdef): Remove declaration.
   9         (get_value_loaded_by): Likewise.
  10         * tree-ssa-ccp.c (do_store_ccp): Remove.
  11         (get_default_value): Simplify as do_store_ccp is always false
  12         now.  Do not initialize mem_ref.
  13         (set_value_varying): Likewise.
  14         (canonicalize_float_value): Likewise.
  15         (set_lattice_value): Likewise.
  16         (likely_value): Likewise.
  17         (surely_varying_stmt_p): Likewise.
  18         (ccp_initialize): Likewise.
  19         (ccp_lattice_meet): Likewise.
  20         (ccp_visit_phi_node): Likewise.
  21         (ccp_fold): Likewise.
  22         (evaluate_stmt): Likewise.
  23         (visit_assignment): Likewise.
  24         (ccp_visit_stmt): Likewise.
  25         (execute_ssa_ccp): Fold into ...
  26         (do_ssa_ccp): ... this.
  27         (do_ssa_store_ccp): Remove.
  28         (gate_store_ccp): Likewise.
  29         (pass_store_ccp): Likewise.
  30         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
  31         initialize mem_ref.
  32         * tree-ssa-propagate.c (first_vdef): Remove.
  33         (get_value_loaded_by): Likewise.
  34         (replace_vuses_in): Likewise.
  35         (substitute_and_fold): Do not call replace_vuses_in.
  36         * opts.c (decode_options): Do not set flag_tree_store_ccp.
  37
  38 2008-08-29  Richard Guenther  <rguenther@suse.de>
  39
  40         PR middle-end/37236
  41         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
  42         PARAM_NOALIAS tags with is_heapvar.
  43         * tree-ssa-operands.c (access_can_touch_variable): Offset
  44         based tests do not apply for heapvars.  Fix offset test.
  45
  46 2008-08-29  Jan Hubicka  <jh@suse.cz>
  47
  48         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
  49         (-fipa-cp-clone): Enabled by default at -O3.
  50         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
  51         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
  52
  53 2008-08-29  Jan Hubicka  <jh@suse.cz>
  54
  55         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
  56         New functions.
  57         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
  58         Declare.
  59         * gimple.c (giple_copy_call_skip_args): New function.
  60         (giple_copy_call_skip_args): Declare.
  61
  62         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
  63         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
  64         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
  65         (ipcp_create_replace_map): Improve debug output.
  66         (ipcp_need_redirect_p): Return false when not clonning.
  67         (ipcp_update_callgraph): Skip args.
  68         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
  69         skip args.
  70         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
  71         (save_inline_function_body): Update call of tree_function_versioning.
  72         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
  73         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
  74         (tree_function_versioning): Likewise.
  75         * tree-inline.h (tree_function_versioning): Update prototype.
  76
  77 2008-08-29  Jan Hubicka  <jh@suse.cz>
  78
  79         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
  80         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
  81         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
  82         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
  83         * value-prof.c (gimple_divmod_fixed_value_transform,
  84         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
  85         gimple_stringops_transform): Use optimize_bb_for_size_p.
  86         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
  87         * final.c (compute_alignments): Use optimize_function_for_size_p.
  88         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
  89         (fold_builtin_strcpy, fold_builtin_fputs): Use
  90         optimize_function_for_size_p.
  91         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
  92         * recog.c (relax_delay_slots): Likewise.
  93         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
  94         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
  95         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
  96         optimize_function_for_size_p.
  97         (cgraph_decide_inlining_of_small_function): Use
  98         optimize_function_for_size_p.
  99         * global.c (find_reg): Use optimize_function_for_size_p.
 100         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
 101         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
 102         flag_prefetch_loop_arrays. Those can work it out from profile.
 103         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
 104         optimize_loop_for_speed_p.
 105         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
 106         argument.
 107         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
 108         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
 109         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
 110         * local-alloc.c (block_alloc): Pass BB pointer.
 111         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
 112         * gcse.c (gcse_main): Use optimize_function_for_size_p.
 113         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
 114         (decide_peel_completely): Likewise.
 115         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
 116         optimize_loop_for_size_p.
 117         (vect_enhance_data_refs_alignment): Likewise.
 118         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
 119         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
 120         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
 121         (try_crossjump_bb): Use optimize_bb_for_size_p.
 122         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 123         optimize_loop_for_speed_p.
 124         * bb-reorder.c (find_traces_1_round): Likewise.
 125         (copy_bb): Use optimize_bb_for_speed_p.
 126         (duplicate_computed_gotos): Likewise.
 127         * basic-block.h (optimize_loop_nest_for_size_p,
 128         optimize_loop_nest_for_speed_p): New.
 129         * stmt.c (expand_case): Use optimize_insn_for_size_p.
 130
 131 2008-08-29  Tristan Gingold  <gingold@adacore.com>
 132
 133         * gcov.c (main): Call expandargv.
 134
 135 2008-08-29  Jan Hubicka  <jh@suse.cz>
 136
 137         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
 138         is not cold.
 139         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 140         Constify arguments.
 141         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
 142         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 143         Constify.
 144         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
 145
 146 2008-08-29  Jan Hubicka  <jh@suse.cz>
 147
 148         * tree-pass.h (pass_strip_predict_hints): Declare.
 149         * predict.c (strip_builtin_expect): Rename to ...
 150         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
 151         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
 152         (tree_estimate_probability): Do not strip builtin_expect.
 153         (pass_strip_predict_hints): New pass.
 154         * tree-inline.c (expand_call_inline): When inlining cold function, predict
 155         it as unlikely.
 156         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
 157
 158 2008-08-29  Richard Guenther  <rguenther@suse.de>
 159
 160         PR tree-optimization/37207
 161         * tree-vrp.c (extract_range_from_binary_expr): Also try
 162         to constant fold if only one of the operands is a constant.
 163
 164 2008-08-29  Nick Clifton  <nickc@redhat.com>
 165
 166         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
 167         the same way as SYMBOL_REFs.
 168
 169 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
 170
 171         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
 172
 173 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 174
 175         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
 176         * config/mips/mips.md (branch_likely): Remove const.  Fix
 177         comment formatting.
 178         (define_delay for type "branch"): Change to only apply for branch
 179         with likely variant.
 180         (define_delay for type "branch" and "branch_likely" no).  New delay
 181         definition.
 182         (equality_op): New code iterator.
 183         (bbv, bbinv): New code attributes.
 184         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
 185         patterns.
 186
 187 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 188             Andrew Pinski  <pinskia@gcc.gnu.org>
 189
 190         PR 18050
 191         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
 192
 193 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
 194
 195         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
 196         rule that a symbolic constant must be defined and >= 0 for the
 197         corresponding facility to be present at compile-time.
 198         * gthr-posix.c: Likewise.
 199
 200 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 201
 202         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
 203         * config/mips/mips.md (D): New mode attribute.
 204         (mulsi3, muldi3): Merge it into ...
 205         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
 206         patterns.
 207         (muldi3_mul3): New pattern.
 208         (mulsi3_mult3): Rename to mulsi3_mul3.
 209
 210 2008-08-28  Jan Hubicka  <jh@suse.cz>
 211
 212         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
 213         to fail.
 214         * predict.c (always_optimize_for_size_p): Rename to ...
 215         (optimize_function_for_size): ... this one; make extern.
 216         (optimize_function_for_speed_p): New.
 217         (optimize_bb_for_size_p, optimize_bb_for_size_p,
 218         optimize_edge_for_size_p,optimize_edge_for_size_p,
 219         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
 220         * basic-block.h (optimize_function_for_size_p,
 221         optimize_function_for_speed_p): Declare.
 222         * i386.md (optimize_size checks): Replace them by appropriate
 223         predicate.
 224         (standard_80387_constant_p, ix86_compute_frame_layout,
 225         ix86_expand_epilogue, ix86_decompose_address,
 226         print_operand, emit_i387_cw_initialization,
 227         inline_memory_move_cost, ix86_pad_returns,
 228         ix86_reorg): Replace optimize_size checks.
 229
 230 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
 231
 232         * rtl.h (simplify_subreg_regno): Declare.
 233         * rtlanal.c (simplify_subreg_regno): New function, split out from...
 234         * simplify-rtx.c (simplify_subreg): ...here.
 235         * reload.c (find_reloads): Use simplify_subreg_regno instead of
 236         subreg_offset_representable_p.
 237
 238 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 239
 240         PR c/30949
 241         * c-typeck.c (convert_for_assignment): Give a note describing what
 242         was passed and what was expected.
 243
 244 2008-08-28  Joey Ye  <joey.ye@intel.com>
 245
 246         * doc/extend.texi: Document AVX built-in functions.
 247         * doc/invoke.texi: Document -mavx.
 248
 249 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
 250             Joey Ye  <joey.ye@intel.com>
 251             Xuepeng Guo  <xuepeng.guo@intel.com>
 252
 253         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
 254
 255         * config/i386/cpuid.h (bit_FMA): New.
 256         (bit_XSAVE): Likewise.
 257         (bit_OSXSAVE): Likewise.
 258         (bit_AVX): Likewise.
 259
 260         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
 261         define.  Use ASM_OUTPUT_AVX_PREFIX.
 262
 263         * config/i386/gmmintrin.h: New.
 264
 265         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
 266         (OPTION_MASK_ISA_AVX_SET): New.
 267         (OPTION_MASK_ISA_FMA_SET): Likewise.
 268         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
 269         (OPTION_MASK_ISA_FMA_SET): Likewise.
 270         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
 271         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
 272         (pta_flags): Add PTA_AVX and PTA_FMA.
 273         (override_options): Handle PTA_AVX and PTA_FMA.
 274         (init_cumulative_args): Handle warn_avx.
 275         (classify_argument): Return 0 for COImode and OImode.  Return
 276         1 and X86_64_AVX_CLASS for 256bit vector types.
 277         (examine_argument): Handle X86_64_AVX_CLASS.
 278         (construct_container): Likewise.
 279         (function_arg_advance_32): Pass OImode and 256bit vector types
 280         in AVX register.
 281         (function_arg_advance_64): Take a new argument to indicate if a
 282         parameter is named.  Handle 256bit vector types.  Return
 283         immediately for unnamed 256bit vector mode parameters.
 284         (function_arg_advance): Updated.
 285         (function_arg_32): Add comments for TImode.  Handle OImode
 286         and 256bit vector types.
 287         (function_arg_64): Take a new argument to indicate if a
 288         parameter is named.  Handle 256bit vector types.  Return NULL
 289         for unnamed 256bit vector mode parameters.
 290         (function_arg): Updated.
 291         (setup_incoming_varargs_64): Support
 292         AVX encoding for *sse_prologue_save_insn.
 293         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
 294         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
 295         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
 296         enabled, otherwise return -3.
 297         (standard_sse_constant_opcode): Handle AVX and 256bit vector
 298         modes.
 299         (print_reg): Support AVX registers.  Handle 'x' and 't'.
 300         Handle 'd' to duplicate the operand.
 301         (print_operand): Likewise.  Also support AVX vector compare
 302         instructions.
 303         (output_387_binary_op): Support AVX.
 304         (output_fp_compare): Likewise.
 305         (ix86_expand_vector_move_misalign): Likewise.
 306         (ix86_attr_length_vex_default): New.
 307         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 308         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 309         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 310         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 311         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
 312         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 313         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
 314         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
 315         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
 316         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
 317         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
 318         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
 319         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
 320         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
 321         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 322         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
 323         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
 324         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 325         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
 326         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
 327         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 328         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 329         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 330         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
 331         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
 332         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
 333         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
 334         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 335         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
 336         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
 337         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
 338         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
 339         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
 340         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 341         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 342         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 343         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
 344         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
 345         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
 346         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
 347         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
 348         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
 349         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
 350         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
 351         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
 352         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
 353         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 354         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 355         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 356         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 357         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 358         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 359         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 360         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 361         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 362         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 363         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 364         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 365         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 366         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 367         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 368         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 369         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 370         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
 371         and IX86_BUILTIN_MOVMSKPS256,
 372         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
 373         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
 374         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
 375         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
 376         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
 377         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
 378         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
 379         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
 380         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
 381         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
 382         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
 383         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
 384         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
 385         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
 386         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
 387         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
 388         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
 389         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
 390         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
 391         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
 392         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
 393         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
 394         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
 395         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
 396         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
 397         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
 398         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
 399         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
 400         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 401         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 402         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
 403         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
 404         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
 405         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
 406         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
 407         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
 408         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
 409         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
 410         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 411         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 412         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 413         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 414         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
 415         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
 416         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
 417         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
 418         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
 419         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
 420         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
 421         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
 422         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
 423         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
 424         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 425         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
 426         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 427         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
 428         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 429         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 430         IX86_BUILTIN_CMPPS,
 431         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
 432         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
 433         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
 434         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 435         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 436         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 437         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
 438         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 439         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
 440         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 441         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
 442         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 443         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
 444         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
 445         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
 446         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
 447         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 448         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 449         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 450         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 451         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 452         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 453         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 454         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 455         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 456         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 457         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 458         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 459         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 460         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 461         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 462         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 463         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 464         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
 465         IX86_BUILTIN_MOVMSKPS256.
 466         (ix86_init_mmx_sse_builtins): Support AVX builtins.
 467         (ix86_expand_args_builtin): Likewise.
 468         (ix86_expand_special_args_builtin): Likewise.
 469         (ix86_hard_regno_mode_ok): Handle AVX modes.
 470         (ix86_expand_vector_init_duplicate): Likewise.
 471         (ix86_expand_vector_init_one_nonzero): Likewise.
 472         (ix86_expand_vector_init_one_var): Likewise.
 473         (ix86_expand_vector_init_concat): Likewise.
 474         (ix86_expand_vector_init_general): Likewise.
 475         (ix86_expand_vector_set): Likewise.
 476         (ix86_vector_mode_supported_p): Likewise.
 477         (x86_extended_reg_mentioned_p): Check INSN_P before using
 478         PATTERN.
 479
 480         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
 481         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
 482
 483         * config/i386/i386.h (TARGET_AVX): New.
 484         (TARGET_FMA): Likewise.
 485         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
 486         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
 487         (VALID_AVX256_REG_MODE): New.
 488         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 489         (AVX_FLOAT_MODE_P): Likewise.
 490         (AVX128_VEC_FLOAT_MODE_P): Likewise.
 491         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 492         (AVX_VEC_FLOAT_MODE_P): Likewise.
 493         (ASM_OUTPUT_AVX_PREFIX): Likewise.
 494         (ASM_OUTPUT_OPCODE): Likewise.
 495         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
 496         support.
 497         (SSE_REG_MODE_P): Allow 256bit vector modes.
 498         (ix86_args): Add a warn_avx field.
 499
 500         * config/i386/i386.md (UNSPEC_PCMP): New.
 501         (UNSPEC_VPERMIL): Likewise.
 502         (UNSPEC_VPERMIL2): Likewise.
 503         (UNSPEC_VPERMIL2F128): Likewise.
 504         (UNSPEC_MASKLOAD): Likewise.
 505         (UNSPEC_MASKSTORE): Likewise.
 506         (UNSPEC_CAST): Likewise.
 507         (UNSPEC_VTESTP): Likewise.
 508         (UNSPECV_VZEROALL): Likewise.
 509         (UNSPECV_VZEROUPPER): Likewise.
 510         (XMM0_REG): Likewise.
 511         (XMM1_REG): Likewise.
 512         (XMM2_REG): Likewise.
 513         (XMM3_REG): Likewise.
 514         (XMM4_REG): Likewise.
 515         (XMM5_REG): Likewise.
 516         (XMM6_REG): Likewise.
 517         (XMM8_REG): Likewise.
 518         (XMM9_REG): Likewise.
 519         (XMM10_REG): Likewise.
 520         (XMM11_REG): Likewise.
 521         (XMM12_REG): Likewise.
 522         (XMM13_REG): Likewise.
 523         (XMM14_REG): Likewise.
 524         (XMM15_REG): Likewise.
 525         (prefix): Likewise.
 526         (prefix_vex_imm8): Likewise.
 527         (prefix_vex_w): Likewise.
 528         (length_vex): Likewise.
 529         (maxmin): Likewise.
 530         (movoi): Likewise.
 531         (*avx_ashlti3): Likewise.
 532         (*avx_lshrti3): Likewise.
 533         (*avx_setcc<mode>): Likewise.
 534         (*fop_<mode>_comm_mixed_avx): Likewise.
 535         (*fop_<mode>_comm_avx): Likewise.
 536         (*fop_<mode>_1_mixed_avx): Likewise.
 537         (*fop_<mode>_1_avx): Likewise.
 538         (*avx_<code><mode>3): Likewise.
 539         (*avx_ieee_smin<mode>3): Likewise.
 540         (*avx_ieee_smax<mode>3): Likewise.
 541         (mode): Add OI, V8SF and V4DF.
 542         (length): Support VEX prefix.
 543         (*cmpfp_i_mixed): Set prefix attribute.
 544         (*cmpfp_i_sse): Likewise.
 545         (*cmpfp_iu_mixed): Likewise.
 546         (*cmpfp_iu_sse): Likewise.
 547         (*movsi_1): Support AVX.
 548         (*movdi_2): Likewise.
 549         (*movdi_1_rex64): Likewise.
 550         (*movti_internal): Likewise.
 551         (*movti_rex64): Likewise.
 552         (*movsf_1): Likewise.
 553         (*movdf_nointeger): Likewise.
 554         (*movdf_integer_rex64): Likewise.
 555         (*movtf_internal): Likewise.
 556         (zero_extendsidi2_32): Likewise.
 557         (zero_extendsidi2_rex64): Likewise.
 558         (*extendsfdf2_mixed): Likewise.
 559         (*extendsfdf2_sse): Likewise.
 560         (*truncdfsf_fast_mixed): Likewise.
 561         (*truncdfsf_fast_sse): Likewise.
 562         (*truncdfsf_mixed): Likewise.
 563         (fix_trunc<mode>di_sse): Likewise.
 564         (fix_trunc<mode>si_sse): Likewise.
 565         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
 566         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
 567         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
 568         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
 569         (*rcpsf2_sse): Likewise.
 570         (*rsqrtsf2_sse): Likewise.
 571         (*sqrt<mode>2_sse): Likewise.
 572         (sse4_1_round<mode>2): Likewise.
 573         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
 574         Support AVX.  Set length attribute properly for AVX.
 575
 576         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
 577         (VECTOR_MODES (FLOAT, 32)): Likewise.
 578         (VECTOR_MODE (INT, DI, 8)): Likewise.
 579         (VECTOR_MODE (INT, HI, 32)): Likewise.
 580         (VECTOR_MODE (INT, QI, 64)): Likewise.
 581         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
 582         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
 583         (VECTOR_MODE (INT, DI, 4)): Removed.
 584         (VECTOR_MODE (INT, SI, 8)): Likewise.
 585         (VECTOR_MODE (INT, HI, 16)): Likewise.
 586         (VECTOR_MODE (INT, QI, 32)): Likewise.
 587         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
 588         (INT_MODE (OI, 32)): Likewise.
 589
 590         * config/i386/i386.opt (mavx): New.
 591         (mfma): Likewise.
 592
 593         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
 594
 595         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
 596         (*mov<mode>_internal_avx): New.
 597         (*movv2sf_internal_rex64_avx): Likewise.
 598         (*movv2sf_internal_avx): Likewise.
 599
 600         * config/i386/predicates.md (const_4_to_5_operand): New.
 601         (const_6_to_7_operand): Likewise.
 602         (const_8_to_11_operand): Likewise.
 603         (const_12_to_15_operand): Likewise.
 604         (avx_comparison_float_operator): Likewise.
 605
 606         * config/i386/sse.md (AVX256MODEI): New.
 607         (AVX256MODE): Likewise.
 608         (AVXMODEQI): Likewise.
 609         (AVXMODE): Likewise.
 610         (AVX256MODEF2P): Likewise.
 611         (AVX256MODE2P): Likewise.
 612         (AVX256MODE4P): Likewise.
 613         (AVX256MODE8P): Likewise.
 614         (AVXMODEF2P): Likewise.
 615         (AVXMODEF4P): Likewise.
 616         (AVXMODEDCVTDQ2PS): Likewise.
 617         (AVXMODEDCVTPS2DQ): Likewise.
 618         (avxvecmode): Likewise.
 619         (avxvecpsmode): Likewise.
 620         (avxhalfvecmode): Likewise.
 621         (avxscalarmode): Likewise.
 622         (avxcvtvecmode): Likewise.
 623         (avxpermvecmode): Likewise.
 624         (avxmodesuffixf2c): Likewise.
 625         (avxmodesuffixp): Likewise.
 626         (avxmodesuffixs): Likewise.
 627         (avxmodesuffix): Likewise.
 628         (vpermilbits): Likewise.
 629         (pinsrbits): Likewise.
 630         (mov<mode>): Likewise.
 631         (*mov<mode>_internal): Likewise.
 632         (push<mode>1): Likewise.
 633         (movmisalign<mode>): Likewise.
 634         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 635         (avx_movdqu<avxmodesuffix>): Likewise.
 636         (avx_lddqu<avxmodesuffix>): Likewise.
 637         (<plusminus_insn><mode>3): Likewise.
 638         (*avx_<plusminus_insn><mode>3): Likewise.
 639         (*avx_vm<plusminus_insn><mode>3): Likewise.
 640         (mul<mode>3): Likewise.
 641         (*avx_mul<mode>3): Likewise.
 642         (*avx_vmmul<mode>3): Likewise.
 643         (divv8sf3): Likewise.
 644         (divv4df3): Likewise.
 645         (avx_div<mode>3): Likewise.
 646         (*avx_div<mode>3): Likewise.
 647         (*avx_vmdiv<mode>3): Likewise.
 648         (avx_rcpv8sf2): Likewise.
 649         (*avx_vmrcpv4sf2): Likewise.
 650         (sqrtv8sf2): Likewise.
 651         (avx_sqrtv8sf2): Likewise.
 652         (*avx_vmsqrt<mode>2): Likewise.
 653         (rsqrtv8sf2): Likewise.
 654         (avx_rsqrtv8sf2): Likewise.
 655         (*avx_vmrsqrtv4sf2): Likewise.
 656         (<code><mode>3): Likewise.
 657         (*avx_<code><mode>3_finite): Likewise.
 658         (*avx_<code><mode>3): Likewise.
 659         (*avx_vm<code><mode>3): Likewise.
 660         (*avx_ieee_smin<mode>3): Likewise.
 661         (*avx_ieee_smax<mode>3): Likewise.
 662         (avx_addsubv8sf3): Likewise.
 663         (avx_addsubv4df3): Likewise.
 664         (*avx_addsubv4sf3): Likewise.
 665         (*avx_addsubv2df3): Likewise.
 666         (avx_h<plusminus_insn>v4df3): Likewise.
 667         (avx_h<plusminus_insn>v8sf3): Likewise.
 668         (*avx_h<plusminus_insn>v4sf3): Likewise.
 669         (*avx_h<plusminus_insn>v2df3): Likewise.
 670         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
 671         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
 672         (*avx_maskcmp<mode>3): Likewise.
 673         (avx_nand<mode>3): Likewise.
 674         (*avx_<code><mode>3): Likewise.
 675         (*avx_nand<mode>3): Likewise.
 676         (*avx_<code><mode>3): Likewise.
 677         (*avx_cvtsi2ss): Likewise.
 678         (*avx_cvtsi2ssq): Likewise.
 679         (*avx_cvtsi2sd): Likewise.
 680         (*avx_cvtsi2sdq): Likewise.
 681         (*avx_cvtsd2ss): Likewise.
 682         (avx_cvtss2sd): Likewise.
 683         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
 684         (avx_cvtps2dq<avxmodesuffix>): Likewise.
 685         (avx_cvttps2dq<avxmodesuffix>): Likewise.
 686         (*avx_cvtsi2sd): Likewise.
 687         (*avx_cvtsi2sdq): Likewise.
 688         (avx_cvtdq2pd256): Likewise.
 689         (avx_cvtpd2dq256): Likewise.
 690         (avx_cvttpd2dq256): Likewise.
 691         (*avx_cvtsd2ss): Likewise.
 692         (*avx_cvtss2sd): Likewise.
 693         (avx_cvtpd2ps256): Likewise.
 694         (avx_cvtps2pd256): Likewise.
 695         (*avx_movhlps): Likewise.
 696         (*avx_movlhps): Likewise.
 697         (avx_unpckhps256): Likewise.
 698         (*avx_unpckhps): Likewise.
 699         (avx_unpcklps256): Likewise.
 700         (*avx_unpcklps): Likewise.
 701         (avx_movshdup256): Likewise.
 702         (avx_movsldup256): Likewise.
 703         (avx_shufps256): Likewise.
 704         (avx_shufps256_1): Likewise.
 705         (*avx_shufps_<mode>): Likewise.
 706         (*avx_loadhps): Likewise.
 707         (*avx_storelps): Likewise.
 708         (*avx_loadlps): Likewise.
 709         (*avx_movss): Likewise.
 710         (*vec_dupv4sf_avx): Likewise.
 711         (*vec_concatv2sf_avx): Likewise.
 712         (*vec_concatv4sf_avx): Likewise.
 713         (*vec_setv4sf_0_avx): Likewise.
 714         (*vec_setv4sf_avx): Likewise.
 715         (*avx_insertps): Likewise.
 716         (avx_vextractf128<mode>): Likewise.
 717         (vec_extract_lo_<mode>): Likewise.
 718         (vec_extract_hi_<mode>): Likewise.
 719         (vec_extract_lo_<mode>): Likewise.
 720         (vec_extract_hi_<mode>): Likewise.
 721         (vec_extract_lo_v16hi): Likewise.
 722         (vec_extract_hi_v16hi): Likewise.
 723         (vec_extract_lo_v32qi): Likewise.
 724         (vec_extract_hi_v32qi): Likewise.
 725         (avx_unpckhpd256): Likewise.
 726         (*avx_unpckhpd): Likewise.
 727         (avx_movddup256): Likewise.
 728         (*avx_movddup): Likewise.
 729         (avx_unpcklpd256): Likewise.
 730         (*avx_unpcklpd): Likewise.
 731         (avx_shufpd256): Likewise.
 732         (avx_shufpd256_1): Likewise.
 733         (*avx_punpckhqdq): Likewise.
 734         (*avx_punpcklqdq): Likewise.
 735         (*avx_shufpd_<mode>): Likewise.
 736         (*avx_storehpd): Likewise.
 737         (*avx_loadhpd): Likewise.
 738         (*avx_loadlpd): Likewise.
 739         (*avx_movsd): Likewise.
 740         (*vec_concatv2df_avx): Likewise.
 741         (*avx_<plusminus_insn><mode>3): Likewise.
 742         (*avx_<plusminus_insn><mode>3): Likewise.
 743         (*avx_mulv8hi3): Likewise.
 744         (*avxv8hi3_highpart): Likewise.
 745         (*avx_umulv8hi3_highpart): Likewise.
 746         (*avx_umulv2siv2di3): Likewise.
 747         (*avx_mulv2siv2di3): Likewise.
 748         (*avx_pmaddwd): Likewise.
 749         (*avx_mulv4si3): Likewise.
 750         (*avx_ashr<mode>3): Likewise.
 751         (*avx_lshr<mode>3): Likewise.
 752         (*avx_ashl<mode>3): Likewise.
 753         (*avx_<code><mode>3): Likewise.
 754         (*avx_eq<mode>3): Likewise.
 755         (*avx_gt<mode>3): Likewise.
 756         (*avx_nand<mode>3): Likewise.
 757         (*avx_nand<mode>3): Likewise.
 758         (*avx_<code><mode>3): Likewise.
 759         (*avx_<code><mode>3): Likewise.
 760         (*avx_packsswb): Likewise.
 761         (*avx_packssdw): Likewise.
 762         (*avx_packuswb): Likewise.
 763         (*avx_punpckhbw): Likewise.
 764         (*avx_punpcklbw): Likewise.
 765         (*avx_punpckhwd): Likewise.
 766         (*avx_punpcklwd): Likewise.
 767         (*avx_punpckhdq): Likewise.
 768         (*avx_punpckldq): Likewise.
 769         (*avx_pinsr<avxmodesuffixs>): Likewise.
 770         (*avx_pinsrq): Likewise.
 771         (*avx_loadld): Likewise.
 772         (*vec_extractv2di_1_rex64_avx): Likewise.
 773         (*vec_extractv2di_1_avx): Likewise.
 774         (*vec_dupv2di_avx): Likewise.
 775         (*vec_concatv2si_avx): Likewise.
 776         (*vec_concatv4si_1_avx): Likewise.
 777         (*vec_concatv2di_avx): Likewise.
 778         (*vec_concatv2di_rex64_avx): Likewise.
 779         (*avx_uavgv16qi3): Likewise.
 780         (*avx_uavgv8hi3): Likewise.
 781         (*avx_psadbw): Likewise.
 782         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
 783         (*avx_phaddwv8hi3): Likewise.
 784         (*avx_phadddv4si3): Likewise.
 785         (*avx_phaddswv8hi3): Likewise.
 786         (*avx_phsubwv8hi3): Likewise.
 787         (*avx_phsubdv4si3): Likewise.
 788         (*avx_phsubswv8hi3): Likewise.
 789         (*avx_pmaddubsw128): Likewise.
 790         (*avx_pmulhrswv8hi3): Likewise.
 791         (*avx_pshufbv16qi3): Likewise.
 792         (*avx_psign<mode>3): Likewise.
 793         (*avx_palignrti): Likewise.
 794         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 795         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 796         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 797         (*avx_mpsadbw): Likewise.
 798         (*avx_packusdw): Likewise.
 799         (*avx_pblendvb): Likewise.
 800         (*avx_pblendw): Likewise.
 801         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 802         (avx_ptest256): Likewise.
 803         (avx_roundp<avxmodesuffixf2c>256): Likewise.
 804         (*avx_rounds<ssemodesuffixf2c>): Likewise.
 805         (*avx_aesenc): Likewise.
 806         (*avx_aesenclast): Likewise.
 807         (*avx_aesdec): Likewise.
 808         (*avx_aesdeclast): Likewise.
 809         (avx_vzeroupper): Likewise.
 810         (avx_vzeroupper_rex64): Likewise.
 811         (avx_vpermil<mode>): Likewise.
 812         (avx_vpermilvar<mode>3): Likewise.
 813         (avx_vpermil2<mode>3): Likewise.
 814         (avx_vperm2f128<mode>3): Likewise.
 815         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 816         (avx_vbroadcastss256): Likewise.
 817         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
 818         (avx_vinsertf128<mode>): Likewise.
 819         (vec_set_lo_<mode>): Likewise.
 820         (vec_set_hi_<mode>): Likewise.
 821         (vec_set_lo_<mode>): Likewise.
 822         (vec_set_hi_<mode>): Likewise.
 823         (vec_set_lo_v16hi): Likewise.
 824         (vec_set_hi_v16hi): Likewise.
 825         (vec_set_lo_v32qi): Likewise.
 826         (vec_set_hi_v32qi): Likewise.
 827         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 828         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 829         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
 830         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
 831         (vec_init<mode>): Likewise.
 832         (*vec_concat<mode>_avx): Likewise.
 833         (blendbits): Support V8SF and V4DF.
 834         (sse2_movq128): Support AVX.
 835         (<sse>_movnt<mode>): Likewise.
 836         (sse2_movntv2di): Likewise.
 837         (sse_rcpv4sf2): Likewise.
 838         (sse_sqrtv4sf2): Likewise.
 839         (sse_rsqrtv4sf2): Likewise.
 840         (<sse>_comi): Likewise.
 841         (<sse>_ucomi): Likewise.
 842         (sse_cvtss2si): Likewise.
 843         (sse_cvtss2si_2): Likewise.
 844         (sse_cvtss2siq): Likewise.
 845         (sse_cvtss2siq_2): Likewise.
 846         (sse_cvttss2si): Likewise.
 847         (sse_cvttss2siq): Likewise.
 848         (sse2_cvtsd2si): Likewise.
 849         (sse2_cvtsd2si_2): Likewise.
 850         (sse2_cvtsd2siq): Likewise.
 851         (sse2_cvtsd2siq_2): Likewise.
 852         (sse2_cvttsd2si): Likewise.
 853         (sse2_cvttsd2siq): Likewise.
 854         (sse2_cvtdq2pd): Likewise.
 855         (*sse2_cvtpd2dq): Likewise.
 856         (*sse2_cvttpd2dq): Likewise.
 857         (*sse2_cvtpd2ps): Likewise.
 858         (sse2_cvtps2pd): Likewise.
 859         (sse3_movshdup): Likewise.
 860         (sse3_movsldup): Likewise.
 861         (sse_storehps): Likewise.
 862         (*sse4_1_extractps): Likewise.
 863         (sse2_storelpd): Likewise.
 864         (vec_dupv2df_sse3): Likewise.
 865         (*vec_concatv2df_sse3): Likewise.
 866         (*sse4_1_pextrb): Likewise.
 867         (*sse4_1_pextrb_memory): Likewise.
 868         (*sse2_pextrw): Likewise.
 869         (*sse4_1_pextrw_memory): Likewise.
 870         (*sse4_1_pextrd): Likewise.
 871         (*sse4_1_pextrq): Likewise.
 872         (sse2_pshufd_1): Likewise.
 873         (sse2_pshuflw_1): Likewise.
 874         (sse2_pshufhw_1): Likewise.
 875         (*sse2_storeq_rex64): Likewise.
 876         (*vec_dupv4si): Likewise.
 877         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
 878         (sse2_pmovmskb): Likewise.
 879         (*sse2_maskmovdqu): Likewise.
 880         (*sse2_maskmovdqu_rex64): Likewise.
 881         (sse_ldmxcsr): Likewise.
 882         (sse_stmxcsr): Likewise.
 883         (abs<mode>2): Likewise.
 884         (sse4_1_movntdqa): Likewise.
 885         (sse4_1_phminposuw): Likewise.
 886         (sse4_1_extendv8qiv8hi2): Likewise.
 887         (*sse4_1_extendv8qiv8hi2): Likewise.
 888         (sse4_1_extendv4qiv4si2): Likewise.
 889         (*sse4_1_extendv4qiv4si2): Likewise.
 890         (sse4_1_extendv2qiv2di2): Likewise.
 891         (*sse4_1_extendv2qiv2di2): Likewise.
 892         (sse4_1_extendv4hiv4si2): Likewise.
 893         (*sse4_1_extendv4hiv4si2): Likewise.
 894         (sse4_1_extendv2hiv2di2): Likewise.
 895         (*sse4_1_extendv2hiv2di2): Likewise.
 896         (sse4_1_extendv2siv2di2): Likewise.
 897         (*sse4_1_extendv2siv2di2): Likewise.
 898         (sse4_1_zero_extendv8qiv8hi2): Likewise.
 899         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
 900         (sse4_1_zero_extendv4qiv4si2): Likewise.
 901         (*sse4_1_zero_extendv4qiv4si2): Likewise.
 902         (sse4_1_zero_extendv2qiv2di2): Likewise.
 903         (*sse4_1_zero_extendv2qiv2di2): Likewise.
 904         (sse4_1_zero_extendv4hiv4si2): Likewise.
 905         (*sse4_1_zero_extendv4hiv4si2): Likewise.
 906         (sse4_1_zero_extendv2hiv2di2): Likewise.
 907         (*sse4_1_zero_extendv2hiv2di2): Likewise.
 908         (sse4_1_zero_extendv2siv2di2): Likewise.
 909         (*sse4_1_zero_extendv2siv2di2): Likewise.
 910         (sse4_1_ptest): Likewise.
 911         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
 912         (sse4_2_pcmpestri): Likewise.
 913         (sse4_2_pcmpestrm): Likewise.
 914         (sse4_2_pcmpistri): Likewise.
 915         (sse4_2_pcmpistrm): Likewise.
 916         (aesimc): Likewise.
 917         (aeskeygenassist): Likewise.
 918
 919 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
 920
 921         * config/i386/predicates.md (vzeroall_operation): New.
 922
 923         * config/i386/sse.md (avx_vzeroall): New.
 924         (*avx_vzeroall): Likewise.
 925
 926 2008-08-28  Paul Brook  <paul@codesourcery.com>
 927             Mark Shinwell  <shinwell@codesourcery.com>
 928             Richard Earnshaw  <richard.earnshaw@arm.com>
 929
 930         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
 931         (TARGET_MIN_ANCHOR_OFFSET): New.
 932         (arm_override_options): Set correct anchor ranges for Thumb-1
 933         and Thumb-2 if required.
 934         (legitimize_pic_address): Handle case involving a TLS symbol
 935         reference with an addend.
 936         (arm_optimization_options): Enable section anchors at -O1 and
 937         above.
 938         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
 939         * config/arm/arm-protos.h (arm_optimization_options): New.
 940
 941 2008-08-28  Nick Clifton  <nickc@redhat.com>
 942
 943         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
 944         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
 945         attribute.
 946
 947         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
 948         * config/v850/v850.md (return): Remove frame size restriction.
 949
 950         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
 951
 952         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
 953
 954         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
 955
 956         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
 957
 958 2008-08-28  Paul Brook  <paul@codesourcery.com>
 959
 960         * config/arm/vfp11.md: Update license notice.
 961         * config/arm/cortex-r4.md: Ditto.
 962
 963 2008-08-28  Richard Guenther  <rguenther@suse.de>
 964
 965         PR tree-optimization/37207
 966         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
 967         tuplification bug.
 968
 969 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
 970
 971         PR c++/36741
 972         * tree.c (int_fits_type_p): Don't forget unsigned integers
 973           of type sizetype which higher end word equals -1.
 974
 975 2008-08-28  Ira Rosen  <irar@il.ibm.com>
 976
 977         * target.h (struct vectorize): Add new target builtin.
 978         * tree-vectorizer.c (destroy_loop_vec_info): Call
 979         vect_free_slp_instance instead of vect_free_slp_node.
 980         * tree-vectorizer.h (enum slp_load_perm_type): New.
 981         (struct _slp_instance): Add new fields.
 982         (SLP_INSTANCE_LOAD_PERMUTATION): New.
 983         (SLP_INSTANCE_LOADS): New.
 984         (vect_free_slp_tree): Remove.
 985         (vect_free_slp_instance): Declare.
 986         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
 987         (vectorizable_load): Add argument.
 988         (vect_transform_slp_perm_load): New.
 989         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
 990         vectorizable_load.
 991         (vect_get_place_in_interleaving_chain): New function.
 992         (vect_free_slp_tree): Make static.
 993         (vect_free_slp_instance): New function.
 994         (vect_build_slp_tree): Add new arguments. Allow load permutations and
 995         collect the load location in the interleaving chain.
 996         (vect_supported_slp_permutation_p): New function.
 997         (vect_supported_load_permutation_p): Likewise.
 998         (vect_analyze_slp_instance): In case of loads permutation, call
 999         vect_supported_load_permutation_p to check that the permutation is
1000         supported.
1001         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
1002         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
1003         (vect_create_mask_and_perm): New function.
1004         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
1005         (vectorizable_load): Add an argument. Don't keep the created vectors
1006         statements in the node if permutation is required. Call
1007         vect_transform_slp_perm_load to generate the permutation.
1008         (vect_transform_stmt): Add new argument. Call vectorizable_load with
1009         additional argument.
1010         (vect_schedule_slp_instance): In case of loads permutation, allocate
1011         vectorized statements structure for all the related SLP nodes. Call
1012         vect_transform_stmt with addditional argument.
1013         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
1014         * config/spu/spu.c (spu_builtin_vec_perm): New.
1015         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1016         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
1017         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
1018         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1019
1020 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
1021
1022         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
1023         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
1024         __gthread_cond_signal, __gthread_cond_timedwait,
1025         __gthread_cond_timedwait_recursive): New functions.
1026         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
1027         Likewise.
1028         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
1029         thread interfaces.
1030
1031 2008-08-28  Richard Guenther  <rguenther@suse.de>
1032
1033         PR middle-end/37005
1034         * fold-const.c (maybe_canonicalize_comparison_1): Require
1035         undefined overflow only for canonicalizing A +- CST cmp CST.
1036         Make sure to not generate new constants that are not inside
1037         their TYPE_MIN/MAX_VALUE range.
1038         (maybe_canonicalize_comparison): Remove undefined overflow
1039         checking from here.
1040         (fold_binary): Remove now duplicate folding.
1041
1042 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1043
1044         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
1045         use not updated in the last change.
1046
1047 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1048
1049         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
1050         (IRA_COVER_CLASSES): Add FPUL_REGS.
1051
1052 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1053
1054         PR 37217
1055         * c-common.c (conversion_warning): Check for null operands.
1056
1057 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1058
1059         PR c/31673
1060         * c-decl.c (check_for_loop_decls): Improve error message. Give
1061         hint.
1062
1063 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1064
1065         PR c/37186
1066         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
1067         (convert_for_assignment): Pass corrent OPT_W* parameter to
1068         WARN_FOR_ASSIGNMENT.
1069
1070 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1071
1072         PR c++/35321
1073         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
1074
1075 2008-08-27  Paul Brook  <paul@codesourcery.com>
1076
1077         * config.gcc: Loosen checks for arm uclinux eabi targets.
1078
1079 2008-08-27  Paul Brook  <paul@codesourcery.com>
1080
1081         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
1082         _clzsi2.
1083         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1084
1085 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
1086
1087         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
1088         the enumerators of an ENUMERAL_TYPE.
1089         * dbxout.c (dbxout_type): Ditto.
1090
1091 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1092
1093         PR rtl-opt/37219
1094         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
1095         (fwprop_addr): Check that the loop_father is not the outer loop.
1096
1097 2008-08-26  Paul Brook  <paul@codesourcery.com>
1098
1099         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
1100         Remove documentation entry for fmul type.
1101         Use fmuls to annotate single-precision multiplication patterns,
1102         fmuld to annotate double-precision multiplication patterns,
1103         fmacs to annotate single-precision multiply-accumulate patterns
1104         and fmacd to annotate double-precision multiply-accumulate patterns.
1105         * config/arm/vfp11.md: Update reservations accordingly.
1106         * config/arm/arm.md: Note that certain values of the "type"
1107         attribute are documented in vfp.md.
1108         * config/arm/arm1020e.md: Remove out of date duplicate comment.
1109         (v10_cvt): Use new fmul types.
1110
1111 2008-08-26  Paul Brook   <paul@codesourcery.com>
1112
1113         * config/arm/vfp.md: Move pipeline description for VFP11 to...
1114         * config/arm/vfp11.md: ...here.  New.
1115         * config/arm/arm.md: Include vfp11.md.
1116
1117 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
1118
1119         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
1120         parameter to inform call.
1121
1122 2008-08-26  Jeff Law  <law@redhat.com>
1123
1124         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
1125         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
1126         preferred class when copying a constant into a partial word register.
1127
1128 2008-08-26  Ben Elliston  <bje@au.ibm.com>
1129
1130         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
1131         * cp/typeck.c: Likewise.
1132         * cp/tree.c: Likewise.
1133         * gimple-low.c: Likewise.
1134         * jump.c: Likewise.
1135
1136 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
1137
1138         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
1139         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
1140
1141         * doc/passes.texi: Describe IRA.
1142
1143         * doc/tm.texi (IRA_COVER_CLASSES,
1144         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
1145
1146         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
1147         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
1148         -fira-propagate-cost, -fno-ira-share-save-slots,
1149         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
1150
1151         * flags.h (ira_algorithm): New enumeration.
1152         (flag_ira_algorithm, flag_ira_verbose): New external variable
1153         declarations.
1154
1155         * postreload.c (gate_handle_postreload): Don't do post reload
1156         optimizations unless the reload is completed.
1157
1158         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
1159         IRA.
1160
1161         * tree-pass.h (pass_ira): New external variable declaration.
1162
1163         * reload.h: Add 2008 to the Copyright.
1164
1165         * cfgloopanal.c: Include params.h.
1166         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
1167         mode.
1168
1169         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1170
1171         * toplev.c (ira.h): New include.
1172         (flag_ira_algorithm, flag_ira_verbose): New external variables.
1173         (backend_init_target): Call ira_init.
1174         (backend_init): Call ira_init_once.
1175         (finalize): Call finish_ira_once.
1176
1177         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
1178         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
1179         external variables.
1180
1181         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1182         may_move_out_cost): New external variable declarations.
1183         (move_table): New typedef.
1184
1185         * caller-save.c: Include headers output.h and ira.h.
1186         (no_caller_save_reg_set): New global variable.
1187         (save_slots_num, save_slots): New variables.
1188         (reg_save_code, reg_restore_code, add_stored_regs): Add
1189         prototypes.
1190         (init_caller_save): Set up no_caller_save_reg_set.
1191         (init_save_areas): Reset save_slots_num.
1192         (saved_hard_reg): New structure.
1193         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1194         (initiate_saved_hard_regs, new_saved_hard_reg,
1195         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1196         functions.
1197         (setup_save_areas): Add code for sharing stack slots.
1198         (all_blocks): New variable.
1199         (save_call_clobbered_regs): Process pseudo-register too.
1200         (mark_set_regs): Process pseudo-register too.
1201         (insert_one_insn): Put the insn after bb note in a empty basic
1202         block.  Add insn check.
1203
1204         * global.c (eliminable_regset): Make it external.
1205         (mark_elimination): Use DF_LR_IN for IRA.
1206         (pseudo_for_reload_consideration_p): New.
1207         (build_insn_chain): Make it external.  Don't ignore spilled
1208         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1209         (gate_handle_global_alloc): New function.
1210         (pass_global_alloc): Add the gate function.
1211
1212         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1213         -fira.
1214         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1215
1216         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1217
1218         * regmove.c (regmove_optimize): Don't do replacement of output for
1219         IRA.
1220
1221         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1222         New external variable declarations.
1223
1224         * local-alloc.c (update_equiv_regs): Make it external.  Return
1225         true if jump label rebuilding should be done.  Rescan new_insn for
1226         notes.
1227         (gate_handle_local_alloc): New function.
1228         (pass_local_alloc): Add the gate function.
1229
1230         * alias.c (value_addr_p, stack_addr_p): New functions.
1231         (nonoverlapping_memrefs_p): Use them for IRA.
1232
1233         * common.opt (fira, fira-algorithm, fira-coalesce,
1234         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1235         fira-verbose): New options.
1236
1237         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1238         move_cost, may_move_in_cost, may_move_out_cost): Make the
1239         variables external.
1240         (move_table): Remove typedef.
1241         (init_move_cost): Make it external.
1242         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1243         functions.
1244
1245         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1246         setup_reg_classes): New function prototypes.
1247         (eliminable_regset): New external variable declaration.
1248         (build_insn_chain, update_equiv_regs): New function prototypes.
1249
1250         * Makefile.in (IRA_INT_H): New definition.
1251         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1252         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1253         (reload1.o, toplev.o): Add dependence on ira.h.
1254         (cfgloopanal.o): Add PARAMS_H.
1255         (caller-save.o): Add dependence on output.h and ira.h.
1256         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1257         ira-emit.o, ira-lives.o): New entries.
1258
1259         * passes.c (pass_ira): New pass.
1260
1261         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1262
1263         * reload1.c (ira.h): Include the header.
1264         (changed_allocation_pseudos): New bitmap.
1265         (init_reload): Initiate the bitmap.
1266         (compute_use_by_pseudos): Permits spilled registers in FROM.
1267         (temp_pseudo_reg_arr): New variable.
1268         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1269         IRA.  Call alter_reg with the additional parameter.  Don't clear
1270         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1271         Clear changed_allocation_pseudos at the end of reload.
1272         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1273         (hard_regno_to_pseudo_regno): New variable.
1274         (count_pseudo): Check spilled pseudos.  Set up
1275         hard_regno_to_pseudo_regno.
1276         (count_spilled_pseudo): Check spilled pseudos. Update
1277         hard_regno_to_pseudo_regno.
1278         (find_reg): Use better_spill_reload_regno_p.  Check
1279         hard_regno_to_pseudo_regno.
1280         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1281         code for IRA.
1282         (eliminate_regs_1): Use additional parameter for alter_reg.
1283         (finish_spills): Set up pseudo_previous_regs only for spilled
1284         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1285         more arguments.  Don't clear live_throughout and dead_or_set for
1286         spilled pseudos.  Use additional parameter for alter_reg.  Call
1287         mark_allocation_change.  Set up changed_allocation_pseudos.
1288         Remove sanity check.
1289         (emit_input_reload_insns, delete_output_reload): Use additional
1290         parameter for alter_reg.  Call mark_allocation_change.
1291         (substitute, gen_reload_chain_without_interm_reg_p): New
1292         functions.
1293         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1294
1295         * testsuite/gcc.dg/20080410-1.c: New file.
1296
1297         * config/s390/s390.h (IRA_COVER_CLASSES,
1298         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1299
1300         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1301
1302         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1303
1304         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1305
1306         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1307
1308         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1309
1310         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1311
1312         2008-08-24  Jeff Law  <law@redhat.com>
1313         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1314         when ignoring unavailable registers.
1315
1316         2008-08-24  Jeff Law  <law@redhat.com>
1317         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1318         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1319         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1320         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1321
1322         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1323         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1324
1325         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1326         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1327         * reload1.c (find_reg): Process registers in register allocation order.
1328
1329         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1330         * toplev.c (backend_init_target): Move ira_init call from
1331         here...
1332         (lang_dependent_init_target): ...to here.
1333
1334         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1335         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1336         calculate memory move costs for NO_REGS.
1337
1338         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1339         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1340         STACK_REGS is defined.
1341
1342         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1343         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1344
1345         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1346         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1347
1348         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1349         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1350         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1351         barrier.
1352
1353 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1354             Dorit Nuzman  <dorit@il.ibm.com>
1355
1356         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1357         vec_extract_evenv4sf, vec_extract_evenv8hi,
1358         vec_extract_evenv16qi, vec_extract_oddv4si,
1359         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1360         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1361         vec_interleave_highv4si, vec_interleave_lowv4si,
1362         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1363         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1364         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1365
1366 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1367
1368         PR target/36756
1369         * config/rs6000/rs6000.c (optimization_options): Don't default to
1370         section anchors without toplevel reorder.
1371
1372 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1373
1374         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1375         (mfc_end_critical_section): Likewise.
1376
1377 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1378
1379         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1380         all type qualifiers from element type to vector type.
1381
1382 2008-08-25  David Daney  <ddaney@avtrex.com>
1383
1384         * config/mips/mips.md (immediate_insn): Move up in file, fix
1385         comment typo, reformat.
1386         (fetchop_bit, atomic_hiqi_op memory_barrier,
1387         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1388         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1389         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1390         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1391         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1392         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
1393         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
1394         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
1395         sync_old_nand<mode>, sync_new_nand<mode>,
1396         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
1397         test_and_set_12): Moved to sync.md.
1398         (sync.md): Include.
1399         * config/mips/sync.md: New file.
1400
1401 2008-08-25  Richard Henderson  <rth@redhat.com>
1402
1403         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
1404         (regsave): Likewise.
1405         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
1406         (output_cfi_directive): Likewise.
1407         (div_data_align): New.
1408         (output_cfi): Use it.
1409
1410 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
1411
1412         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
1413         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
1414         (TARGET_OCTEON): New macro.
1415         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
1416         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
1417         (ISA_HAS_POP): New macro.
1418         * config/mips/driver-native.c (host_detect_local_cpu): Handle
1419         Octeon.
1420         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1421         Handle Octeon.
1422         * config/mips/mips.md (cpu): Add octeon.
1423         (type): Add pop attribute value.
1424         (popcount<mode>2): New pattern.
1425         * doc/invoke.texi (-march=@var{arch}): Add octeon.
1426
1427 2008-08-24  Jan Hubicka  <jh@suse.cz>
1428
1429         * doc/invoke.texi (-fipa-cp-clone): New option.
1430         (-fipa-cp): Update docs.
1431         (--param ipcp-unit-growth):New.
1432         * ipa-cp.c: Include fibheap.h, params.h
1433         (ipcp_initialize_node_lattices): When not cloning, all externally
1434         visible functions are bottom.
1435         (ipcp_need_redirect_p): Accept clones.
1436         (ipcp_insert_stage): Use cost driven heuristics.
1437         (max_count, dead_nodes): New static vars.
1438         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
1439         ipcp_const_param_count): New functions.
1440         * common.opt (ipa-cp-clone): New command line option.
1441         * params.def (ipcp-unit-growth): New.
1442
1443 2008-08-24  Jan Hubicka  <jh@suse.cz>
1444
1445         * tree-inline.c (tree_function_versioning): Look harder
1446         for referenced vars.
1447
1448 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
1449
1450         PR tree-optimization/37185
1451         * matrix-reorg.c (transform_access_sites): Update changed stmt.
1452
1453 2008-08-23  Jan Hubicka  <jh@suse.cz>
1454
1455         * ipa-cp.c (ipcp_analyze_node): New function.
1456         (ipcp_update_cloned_node): Use it.
1457         (ipcp_init_stage): Likewise.
1458         * ipa-inline.c (function_insertion_hook_holder): New static var.
1459         (analyze_function): Break out from ....
1460         (inline_generate_summary): Here; register insertion hook.
1461         (cgraph_decide_inlining): Remove hook.
1462         (add_new_function): New function.
1463
1464 2008-08-23  Jan Hubicka  <jh@suse.cz>
1465
1466         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
1467
1468 2008-08-23  Jan Hubicka  <jh@suse.cz>
1469
1470         * ipa-cp.c (constant_val_insert): Remove.
1471         (ipcp_propagate_one_const): Remove.
1472         (ipcp_create_replace_map): Always insert replacements to the map.
1473         (ipcp_insert_stage): Do not try to insert statements by hand.
1474         * tree-inline.c (insert_init_stmt): Break out from ...
1475         (setup_one_parameter): ... here; allow NULL BB pointer.
1476         (tree_function_versioning): Use setup_one_parameter to process
1477         replacement map.
1478
1479 2008-08-23  Jan Hubicka  <jh@suse.cz>
1480
1481         * tree.c (decl_address_ip_invariant_p): New function.
1482         * tree.h (decl_address_ip_invariant_p): Declare.
1483         * gimple.c (strip_invariant_refs): Break out from ...
1484         (is_gimple_invariant_address): ... here
1485         (is_gimple_ip_invariant_address): New function.
1486         (is_gimple_ip_invariant): New function.
1487         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
1488         Declare.
1489
1490         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
1491         (ipcp_lat_is_insertable): All constants are insertable.
1492         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
1493         IPA_CONST_VALUE_REF.
1494         (ipcp_initialize_node_lattices): Propagate all types of operands.
1495         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
1496         (ipcp_create_replace_map): Reformat.
1497         (ipcp_need_redirect_p): Simplify.
1498         (ipcp_insert_stage): Check that argument is used before clonning.
1499         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
1500         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
1501         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
1502         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
1503         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
1504         (jump_func_type): Remove IPA_CONST_VALUE_REF.
1505         * tree-inline.c (tree_function_versioning): Add variables referenced by
1506         replacing trees.
1507
1508 2008-08-23  Jan Hubicka  <jh@suse.cz>
1509
1510         PR target/37094
1511         * i386.c (standard_80387_constant_p): Use optimize_size.
1512
1513 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1514
1515         PR tree-optimization/37161
1516         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
1517         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
1518         (vect_determine_vectorization_factor): Move the scalar type
1519         retrieval to vect_get_smallest_scalar_type.
1520         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
1521         scalar type. Remove redundant computation.
1522         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
1523         (vect_get_slp_defs): Take the type of RHS into account if
1524         necessary by calling vect_get_smallest_scalar_type. Call
1525         vect_get_constant_vectors with additional argument.
1526
1527 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1528
1529         PR 35648
1530         * doc/invoke.texi (Wwrite-strings): Clarify description.
1531
1532 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1533
1534         PR tree-optimization/37174
1535         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
1536         def stmt is a part of the loop before accessing its stmt_vec_info.
1537
1538 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
1539
1540         PR target/11259
1541         * config/avr/avr.md (UNSPEC_SWAP): New constants.
1542         (*swap): New insn pattern.
1543         (*ashlqi3): Rename from ashlqi3 insn pattern.
1544         (ashlqi3): New expanders.
1545         (*lshrqi3): Rename from lshrqi3 insn pattern.
1546         (lshrqi3): New expanders.
1547         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
1548         lshrqi3_const5, lshrqi3_const6): New splitters.
1549         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
1550         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
1551         peephole2 patterns.
1552
1553 2008-08-22  Richard Guenther  <rguenther@suse.de>
1554
1555         PR tree-optimization/37078
1556         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
1557         [+INF, +INF] ranges.
1558
1559 2008-08-22  Richard Guenther  <rguenther@suse.de>
1560
1561         PR tree-optimization/37143
1562         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
1563         a conversion statement instead of a copy.
1564
1565 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
1566
1567         PR target/37184
1568         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
1569         CCCmode, CCOmode and CCSmode destination modes.
1570
1571         PR target/37191
1572         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
1573         from different units in a single alternative.
1574         (*vec_extractv2sf_1): Ditto.
1575         (*vec_extractv2si_0): Ditto.
1576         (*vec_extractv2si_1): Ditto.
1577         * config/i386/sse.md (sse2_storehpd): Ditto.
1578         (sse2_storelpd): Ditto.
1579         (sse2_loadhpd): Ditto.
1580         (sse2_loadlpd): Ditto.
1581
1582         PR target/37197
1583         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
1584         (popcountsi2): Ditto.
1585         (clzdi2_abm): Ditto.
1586         (popcountdi2): Ditto.
1587         (clzhi2_abm): Ditto.
1588         (popcounthi2): Ditto.
1589
1590 2008-08-22  Richard Guenther  <rguenther@suse.de>
1591
1592         PR middle-end/36548
1593         PR middle-end/37125
1594         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
1595         if the multiplication does not overflow.
1596
1597 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
1598
1599         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
1600
1601 2008-08-21  Richard Henderson  <rth@redhat.com>
1602
1603         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
1604         spurrious comma from test.
1605         * configure: Rebuild.
1606
1607 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1608
1609         PR 30457
1610         * builtins.c (fold_builtin_next_arg): Add warning about undefined
1611         behaviour.
1612
1613 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
1614
1615         * c-tree.h (grokfield): New argument.
1616         * c-decl.c (grokfield): Handle new location argument.
1617         * c-parser.c (c_parser_struct_declaration): Pass location to
1618         grokfield.
1619
1620 2008-08-21  Richard Guenther  <rguenther@suse.de>
1621
1622         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
1623
1624 2008-08-21  Jan Hubicka  <jh@suse.cz>
1625
1626         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
1627         (cgraph_add_function_insertion_hook,
1628         cgraph_remove_function_insertion_hook,
1629         cgraph_call_function_insertion_hooks): New functions.
1630         * cgraph.h (cgraph_add_function_insertion_hook,
1631         cgraph_remove_function_insertion_hook,
1632         cgraph_call_function_insertion_hooks): Declare.
1633         * ipa-reference.c (function_insertion_hook_holder): New variable.
1634         (check_operand, look_for_address_of): When checking late, do not care
1635         about module bitmaps.
1636         (add_new_function): New function.
1637         (generate_summary): Register hooks; zero module bitmaps.
1638         (propagate): Unregister hooks.
1639         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
1640         (add_new_function): New function.
1641         (generate_summary): Register hook.
1642         (propagate): Remove hook.
1643
1644         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
1645
1646         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
1647         * ipa-cp.c (ipcp_update_cloned_node): New function.
1648         (build_const_val): Handle functions correctly; bring type logic
1649         into sync with tree-inline.c
1650         (ipcp_init_stage):  Take care of computing stuff needed by
1651         indirect inlining; update clones.
1652         (ipcp_generate_summary): Break out of ipcp_driver.
1653         (ipcp_driver): Do only execution and transformation.
1654         (pass_ipa_cp): Make IPA_PASS.
1655         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
1656         offset to address.
1657         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
1658         ipcp, some info is already available.
1659         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
1660         * tree-inline.c (remap_ssa_name): Unshare expression.
1661
1662 2008-08-21  Richard Guenther  <rguenther@suse.de>
1663
1664         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1665         a PHI ask VN if it is already available.
1666         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1667         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1668
1669 2008-08-21  Richard Guenther  <rguenther@suse.de>
1670
1671         PR middle-end/36817
1672         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
1673         makes sure to produce a result of the correct type.
1674
1675 2008-08-21  Jan Hubicka  <jh@suse.cz>
1676         Backport from LTO branch:
1677
1678         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1679                     Jan Hubicka  <jh@suse.cz>
1680
1681         * ipa-pure-const.c
1682         (init_state, finish_state, set_function_state, generate_summary):
1683         New functions.
1684         (scan_stmt): Renamed from scan_function.  Changed to keep state in
1685         local static vars rather than cgraph aux field.
1686         (propagate): Renamed from static_execute. Changed to keep state in
1687         local static vars rather than cgraph aux field.
1688         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
1689         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
1690
1691         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
1692
1693         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
1694         * ipa-reference.c (init_function_info, generate_summary,
1695         propagate): New functions.
1696         (analyze_function):  Call init_function_info.
1697         (static_execute): Stripped into generate_summary and propagate.
1698         (pass_ipa_reference): Made into ipa_opt_pass.
1699
1700 2008-08-21  Richard Guenther  <rguenther@suse.de>
1701
1702         PR tree-optimization/37181
1703         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
1704         folding result.
1705         (extract_range_from_unary_expr): Likewise.
1706
1707 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1708
1709         * diagnostic.c (pedwarn_at): Rename as pedwarn.
1710         (pedwarn): Delete.
1711         * toplev.h (pedwarn_at): Likewise.
1712         * builtins.c: Update all calls to pedwarn.
1713         * c-lex.c: Likewise.
1714         * toplev.c: Likewise.
1715         * c-tree.h: Likewise.
1716         * c-decl.c: Likewise.
1717         * c-errors.c: Likewise.
1718         * c-typeck.c: Likewise.
1719         * c-common.c: Likewise.
1720         * c-parser.c: Likewise.
1721
1722 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
1723
1724         PR target/31070
1725         * config/sparc/sparc.c (function_arg_slotno): Handle structure
1726         with MODE_VECTOR_INT mode.
1727
1728 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1729
1730         PR middle-end/179
1731         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
1732         initialized outside the current module.
1733         (warn_uninitialized_var): Ignore left-hand side when walking the
1734         trees. Ignore address expressions. Examine VUSE operands in gimple
1735         statements with a variable declaration on the right-hand side.
1736
1737 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
1738
1739         PR bootstrap/37155
1740         * rtlanal.c (subreg_offset_representable_p): Revert last change.
1741
1742 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1743
1744         PR 35701
1745         * c-common.c (conversion_warning): Do not warn if applying bit-and
1746         operator to unsigned constant that fits in the target type.
1747
1748 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1749
1750         PR c++/35602
1751         * c-common.c (conversion_warning): Do not warn for artificial
1752         expressions.
1753
1754 2008-08-20  Richard Guenther  <rguenther@suse.de>
1755
1756         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
1757         (extract_range_from_binary_expr): Fall back to constant propagation.
1758         (extract_range_from_unary_expr): Likewise.
1759
1760 2008-08-20  Richard Guenther  <rguenther@suse.de>
1761
1762         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
1763         with TREE_THIS_VOLATILE on shared nodes.
1764         (fold_stmt_r): Likewise.
1765
1766 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
1767
1768         PR c/37171
1769         * c-parser.c (c_parser_attributes): For keywords use canonical
1770         spelling for attr_name.
1771
1772 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1773
1774         * value-prof.c (check_counter): Revert wrong call to error.
1775
1776 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1777
1778         * profile.c: Update calls to inform.
1779         * value-prof.c: Update calls to inform.
1780
1781 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1782
1783         * diagnostic.c (inform): Add an explicit location_t parameter.
1784         * toplev.h (inform): Update declaration.
1785         * builtins.c: Update all calls to inform.
1786         * c-common.c: Likewise.
1787         * c-decl.c: Likewise.
1788         * c-opts.c: Likewise.
1789         * c-pch.c: Likewise.
1790         * c-pragma.c: Likewise.
1791         * c-typeck.c: Likewise.
1792         * coverage.c: Likewise.
1793         * opts.c: Likewise.
1794         * toplev.c: Likewise.
1795         * tree-cfg.c: Likewise.
1796         * tree-ssa.c: Likewise.
1797
1798 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1799
1800         PR target/37169
1801         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
1802         V2DI mode, for SSE4.1, use movq instead of vector set if the
1803         second element is zero and inter-unit moves are OK.
1804
1805 2008-08-20  Richard Guenther  <rguenther@suse.de>
1806
1807         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
1808         properly handle conversion/copy chains after tuplification.
1809
1810 2008-08-20  Richard Guenther  <rguenther@suse.de>
1811
1812         * passes.c (init_optimization_passes): Move the second
1813         forwprop pass before alias computation.  Remove the second
1814         DCE pass.  Remove the first dominator and phi copy/const
1815         prop passes.
1816
1817 2008-08-20  Nick Clifton  <nickc@redhat.com>
1818
1819         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
1820         support of this feature.  Do not assume that a sufficiently new
1821         assembler will support the feature regardless of the target type.
1822         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
1823         * configure: Regenerate.
1824
1825 2008-08-20  Richard Guenther  <rguenther@suse.de>
1826
1827         * tree-vrp.c (found_in_subgraph): Remove.
1828         (live): New global static.
1829         (live_on_edge): New function.
1830         (blocks_visited): Remove.
1831         (register_edge_assert_for_2): Use live_on_edge.
1832         (find_conditional_asserts): Remove code dealing with
1833         found_in_subgraph.  Do not walk the CFG.
1834         (find_switch_asserts): Likewise.
1835         (find_assert_locations_1): Renamed from find_assert_locations.
1836         Move finding assert locations for conditional and switch
1837         statements first.  Update live bitmap.  Do not walk the CFG.
1838         (find_assert_locations): New function.
1839         (insert_range_assertions): Remove entry of CFG walk.
1840         Adjust call to find_assert_locations.
1841         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
1842         that only can appear because of fake exit edges but assert we
1843         never try to insert on those.
1844         (fini_pre): Do not remove fake exit edges here...
1845         (execute_pre): ...but here, before committing edge inserts.
1846
1847 2008-08-19  Richard Guenther  <rguenther@suse.de>
1848
1849         * passes.c (init_optimization_passes): Exchange store-ccp
1850         with a ccp pass.
1851
1852 2008-08-19  Rafael Espindola  <espindola@google.com>
1853
1854         * varasm.c (weak_decls): Move earlier in the file.
1855         (assemble_external): Add weak decls to the weak_decls list.
1856         (declare_weak): Don't add decls to the weak_decls list.
1857
1858 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
1859
1860         PR target/37157
1861         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
1862         before (sse2_shufpd_<mode>).
1863
1864 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
1865
1866         PR debug/37156
1867         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
1868         * tree.c (block_nonartificial_location): Likewise.
1869
1870 2008-08-19  Richard Guenther  <rguenther@suse.de>
1871
1872         PR tree-optimization/35972
1873         PR tree-optimization/23094
1874         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
1875         parameter.
1876         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
1877         handle MISALIGNED_INDIRECT_REF.
1878         (get_ref_from_reference_ops): New helper.
1879         (vn_reference_lookup_pieces): Walk the use-def chain using the
1880         alias-oracle if requested.
1881         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
1882         walking the use-def chain.
1883         (compute_avail): But not here.
1884         (create_component_ref_by_pieces_1): Properly handle
1885         MISALIGNED_INDIRECT_REF.
1886         (do_regular_insertion): Handle fully redundant
1887         expressions after PHI-translation also for SSA_NAME values, not
1888         only constants.  Correctly use edoubleprime for that.
1889
1890 2008-08-19  Ira Rosen  <irar@il.ibm.com>
1891
1892         * tree-vectorizer.c (supportable_widening_operation): Support
1893         multi-step conversion, return the number of steps in such conversion
1894         and the required intermediate types.
1895         (supportable_narrowing_operation): Likewise.
1896         * tree-vectorizer.h (vect_pow2): New function.
1897         (supportable_widening_operation): Change argument types.
1898         (supportable_narrowing_operation): Likewise.
1899         (vectorizable_type_promotion): Add an argument.
1900         (vectorizable_type_demotion): Likewise.
1901         * tree-vect-analyze.c (vect_analyze_operations): Call
1902         vectorizable_type_promotion and vectorizable_type_demotion with
1903         additional argument.
1904         (vect_get_and_check_slp_defs): Detect patterns.
1905         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
1906         types.
1907         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
1908         vect_build_slp_tree with correct arguments. Calculate unrolling factor
1909         according to the smallest type in the loop.
1910         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
1911         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
1912         supportable_widening_operation with correct arguments.
1913         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
1914         operands lists according to the number of vector statements in left
1915         or right node, if exists.
1916         (vect_gen_widened_results_half): Remove unused argument.
1917         (vectorizable_conversion): Call supportable_widening_operation,
1918         supportable_narrowing_operation, and vect_gen_widened_results_half
1919         with correct arguments.
1920         (vectorizable_assignment): Change documentation, support multiple
1921         types in SLP.
1922         (vectorizable_operation): Likewise.
1923         (vect_get_loop_based_defs): New function.
1924         (vect_create_vectorized_demotion_stmts): Likewise.
1925         (vectorizable_type_demotion): Support loop-aware SLP and general
1926         multi-step conversion. Call vect_get_loop_based_defs and
1927         vect_create_vectorized_demotion_stmts for transformation.
1928         (vect_create_vectorized_promotion_stmts): New function.
1929         (vectorizable_type_promotion): Support loop-aware SLP and general
1930         multi-step conversion. Call vect_create_vectorized_promotion_stmts
1931         for transformation.
1932         (vectorizable_store): Change documentation, support multiple
1933         types in SLP.
1934         (vectorizable_load): Likewise.
1935         (vect_transform_stmt): Pass SLP_NODE to
1936         vectorizable_type_promotion and vectorizable_type_demotion.
1937         (vect_schedule_slp_instance): Move here the calculation of number
1938         of vectorized statements for each node from...
1939         (vect_schedule_slp): ... here.
1940         (vect_transform_loop): Call vect_schedule_slp without the last
1941         argument.
1942
1943 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
1944
1945         PR bootstrap/37152
1946         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
1947         to == in assert statement.
1948         (vectorizable_reduction): Fix typo.
1949
1950 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1951
1952         PR bootstrap/37153
1953         * value-prof.c (check_counter): Dereference pointer to overall
1954         count when printing it.
1955
1956 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1957
1958         * profile.h: Really add it.
1959
1960 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1961
1962         * mcf.c: Really add it.
1963
1964 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
1965             Vinodha Ramasamy  <vinodha@google.com>
1966
1967         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
1968         count_scale.
1969         * value-prof.c (check_counter): Fix the counter if
1970         flag_profile_correction is true.
1971         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1972         tree_mod_subtract_transform):
1973         Follow check_counter parameter change.
1974         * common.opt (fprofile-correction): New option.
1975         * mcf.c: New file.
1976         * profile.h: Likewise.
1977         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
1978         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
1979         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
1980         functions.
1981         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
1982         flag_profile_correction is set.
1983
1984 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
1985
1986         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
1987
1988 2008-08-18  Tomas Bily  <tbily@suse.cz>
1989
1990         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
1991         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
1992         CONVERT_EXPR_P.
1993         * tree-data-ref.c (split_constant_offset_1): Likewise.
1994         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
1995         * tree-sra.c (sra_walk_expr): Likewise.
1996         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
1997         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1998         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
1999         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
2000         Likewise.
2001         * gimple.c (gimple_assign_unary_nop_p): Likewise.
2002         * tree-vect-transform.c (vectorizable_type_demotion)
2003         (vectorizable_type_promotion): Likewise.
2004         * tree-inline.c (expand_call_inline):
2005         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2006         (forward_propagate_addr_expr_1, forward_propagate_comparison)
2007         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2008         * expr.c (expand_expr_real_1): Likewise.
2009         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
2010         (gimple_assign_unary_useless_conversion_p): Likewise.
2011         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2012         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
2013         * fold-const.c (fold_unary): Likewise.
2014         * tree.h (CONVERT_EXPR_P): Likewise.
2015         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
2016         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2017         * tree-vrp.c:
2018         (register_edge_assert_for_2, extract_range_from_unary_expr)
2019         (register_edge_assert_for_1): Likewise.
2020
2021 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2022
2023         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2024         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
2025         (enum real_value_const): Delete.
2026         (get_real_const): Delete.
2027         * real.c (get_real_const): Delete.
2028         (dconst_e_ptr): Define.
2029         (dconst_third_ptr): Define.
2030         (dconst_sqrt2_ptr): Define.
2031         * builtins.c: Update all callers.
2032
2033 2008-08-18  Richard Guenther  <rguenther@suse.de>
2034
2035         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
2036         statement iterator after statement removal.
2037
2038 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
2039
2040         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
2041         (detect_processor_freebsd): Likewise.
2042         (host_detect_local_cpu): Call newly added functions for FreeBSD.
2043
2044 2008-08-18  Richard Guenther  <rguenther@suse.de>
2045
2046         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
2047         and loads have the correct types.
2048
2049 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2050
2051         PR cpp/7263
2052         * c-opts.c (cpp_opts): Remove static.
2053         * c-parser.c (cpp_opts): Declare it extern.
2054         (disable_extension_diagnostics): Handle cpp options.
2055         (enable_extension_diagnostics): Likewise.
2056
2057 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2058
2059         * diagnostics.c (permerror_at): Rename as permerror.
2060         (permerror): Delete.
2061         * toplev.h: Likewise.
2062
2063 2008-08-18  Richard Guenther  <rguenther@suse.de>
2064
2065         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
2066         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
2067         Move call_cdce before build_alias.  Move copyrename2,
2068         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
2069         right after final inlining.
2070         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
2071         (pass_build_cfg): But instead via TODO_dump_func.
2072
2073 2008-08-18  Richard Guenther  <rguenther@suse.de>
2074
2075         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
2076         element index.
2077         (scalarize_init): If we failed to generate some initializers
2078         do not generate zeros for not instantiated members.  Instead
2079         rely on the copy out.
2080         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
2081         about missing flow-sensitive alias info only if we have
2082         aliases computed.
2083
2084 2008-08-17  Nick Clifton  <nickc@redhat.com>
2085
2086         * doc/extend.texi (Function Attributes): Fix typo in description
2087         if hot function attribute.
2088
2089 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
2090             Richard Sandiford  <rdsandiford@googlemail.com>
2091
2092         * doc/install.texi (--with-mips-plt): Document.
2093         * doc/invoke.texi (-mplt, -mno-plt): Document.
2094         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
2095         and handle ${with_mips_plt}.
2096         * config/mips/mips.opt (mplt): New option.
2097         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
2098         (TARGET_ABICALLS_PIC2): Likewise.
2099         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
2100         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
2101         (ASM_SPEC): Use !mabi=* instead of !mabi*.
2102         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
2103         to decide whether to output ".option picX" directives.
2104         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
2105         Pass -call_nonpic rather than -KPIC for -mplt.
2106         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
2107         on the command line.  Also remove it when -mabi=64 is used without
2108         -msym32.
2109         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
2110         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
2111         TARGET_ABICALLS_PIC0.
2112         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
2113         TARGET_ABICALLS.
2114         (mips16_build_function_stub): Only output ".option pic" directives
2115         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
2116         (mips16_build_call_stub): Fix comment and remove redundant
2117         ".set at"/"set .noat" directives.
2118         (mips_function_rodata_section): Use the default behaviour for
2119         TARGET_ABSOLUTE_ABICALLS.
2120         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
2121         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
2122         (mips_restore_gp): Do nothing if the current function doesn't use
2123         a global pointer.
2124         (mips_expand_prologue): Only save $gp if the current function uses it.
2125         Use a normal move for TARGET_ABICALLS_PIC0.
2126         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
2127
2128 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
2129
2130         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
2131         of function when handling GLOBAL_POINTER_REGNUM.
2132
2133 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2134
2135         PR ada/20548
2136         * common.opt (-fstack-check): Do not declare the variable here.
2137         (-fstack-check=): New option variant.
2138         * doc/invoke.texi (Code Gen Options): Document it.
2139         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
2140         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
2141         (STACK_CHECK_STATIC_BUILTIN): New macro.
2142         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
2143         * opts.c: Include expr.h.
2144         (common_handle_option) <OPT_fold_stack_check_>: New case.
2145         <OPT_fstack_check>: Likewise.
2146         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
2147         consistently in the test for variable-sized types.  Adjust for
2148         new behaviour of flag_stack_check.
2149         * explow.c: Include except.h.
2150         (allocate_dynamic_stack_space): Do not take into account
2151         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
2152         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
2153         for variable-sized parameters.  Treat all parameters whose size is
2154         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
2155         stack checking is enabled.
2156         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
2157         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
2158         if generic stack checking is enabled.
2159         (expand_function_end): Adjust for new behaviour of flag_stack_check.
2160         * reload1.c (reload): Likewise.
2161         * stmt.c (expand_decl): Assert that all automatic variables have
2162         fixed size at this point and remove dead code.
2163         * flags.h (stack_check_type): New enumeration type.
2164         (flag_stack_check): Declare.
2165         * toplev.c (flag_stack_check): New global variable.
2166         * Makefile.in (opts.o): Add dependency on EXPR_H.
2167         (explow.o): Add dependency on except.h.
2168
2169 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
2170
2171         * config/avr/avr.c (avr_override_options): Reduce value of
2172         PARAM_INLINE_CALL_COST.
2173
2174 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2175
2176         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
2177         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
2178         lieu of TYPE_MODE (type) throughout.
2179
2180 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
2181
2182         * config/arm/arm.c (add_minipool_backward_ref): Check for
2183         8-byte-aligned entries in second case of forcing insertion after a
2184         particular entry.  Change third case to avoid inserting
2185         non-8-byte-aligned entries before 8-byte-aligned ones.
2186
2187 2008-08-15  Richard Guenther  <rguenther@suse.de>
2188
2189         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2190         strip components for unknown size accesses.
2191
2192 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2193
2194         * config/s390/2097.md New file.
2195         * config/s390/s390.md ("z10prop" attribute): Define none,
2196         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2197         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2198         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2199         possible values and apply them to insns as appropriate.
2200         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2201         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2202         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2203         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2204         values.
2205         ("bfp" mode attribute): Removed.  Every occurence replaced
2206         with <mode>.
2207         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2208         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2209           type attribute.
2210
2211 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2212
2213         PR c/28152
2214         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2215         for keywords.
2216
2217 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2218
2219         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2220         additional argument. Support reduction when duplication is needed due
2221         to data-types of different sizes in the loop.
2222         (get_initial_def_for_induction): Fix printout.
2223         (vect_get_vec_def_for_stmt_copy): Support case where the
2224         vec_stmt_for_operand is a phi node.
2225         (vectorizable_reduction): Support reduction when duplication is needed
2226         due to data-types of different sizes in the loop.
2227         (vectorizable_call): Remove restriction to not vectorize in case we
2228         have data-types of different sizes in the loop.
2229         (vectorizable_conversion): Likewise.
2230         (vectorizable_operation): Likewise.
2231         (vectorizable_type_demotion): Likewise.
2232         (vectorizable_type_promotion): Likewise.
2233         (vectorizable_induction): Add restriction to not vectorize in case
2234         we have data-types of different sizes in the loop.
2235
2236 2008-08-14  Christophe Saout  <christophe@saout.de>
2237             Uros Bizjak  <ubizjak@gmail.com>
2238
2239         PR target/37101
2240         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2241         (*vec_concatv2di_rex64_sse4_1): Ditto.
2242         (*vec_concatv2di_rex64_sse): Ditto.
2243
2244 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2245
2246         PR middle-end/37103
2247         * fold-const.c (fold_widened_comparison): Do not allow
2248         sign changes that change the result even if shorter type
2249         is wider than arg1_unw's type.
2250
2251 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2252
2253         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2254         Skip if the multilib testing specifies -march that does not
2255         agree with the one specified in the testcase.
2256
2257 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2258
2259         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2260         zero extend SImode values being converted to TFmode before passing
2261         to libcalls.
2262
2263 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2264
2265         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2266         __PPU__ when targeting the Cell/B.E. PPU processor.
2267
2268 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2269
2270         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2271         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2272         Rematerialize the static chain, if any.
2273         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2274         static chain.
2275
2276 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2277
2278         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2279         (new_loc_descr): Likewise.
2280         (add_loc_descr): Likewise.
2281         (size_of_loc_descr): Likewise.
2282         (size_of_locs): Likewise.
2283         (output_loc_operands): Likewise.
2284         (output_loc_sequence): Likewise.
2285         (new_reg_loc_descr): New.
2286         (build_cfa_loc): Use it.
2287         (build_cfa_aligned_loc): Likewise.
2288         (one_reg_loc_descriptor): Likewise.
2289         (based_loc_descr): Likewise.
2290
2291 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2292
2293         PR 30551
2294         * doc/invoke.texi (Wmain): Update.
2295         * c-decl.c (start_decl): warn_main is only 0 or 1.
2296         (start_function): Likewise. Fix formatting.
2297         (finish_function): Delete redundant warning.
2298         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2299         * c-opts (c_common_handle_option): -Wall only has effect if
2300         warn_main is uninitialized. OPT_Wmain is automatically
2301         handled. -pedantic also enables Wmain.
2302         (c_common_post_options): Handle all logic for Wmain here.
2303         * c-common.c (warn_main): Delete.
2304         (check_main_parameter_types): Make pedwarns conditional on
2305         OPT_Wmain.
2306         * c-common.h (warn_main): Delete.
2307
2308 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2309
2310         PR middle-end/36701
2311         * expr.c (emit_group_store): Allocate stack temp with the
2312         largest alignment when copying from register to stack.
2313
2314 2008-08-13  Richard Guenther  <rguenther@suse.de>
2315
2316         * tree.h (maybe_fold_offset_to_address): Declare.
2317         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2318         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2319         Likewise for POINTER_PLUS_EXPR.
2320         (maybe_fold_offset_to_reference): Enable disabled code.
2321         (maybe_fold_offset_to_address): New function.
2322         (fold_stmt_r): Use it.
2323         (fold_gimple_assign): Likewise.
2324         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2325         (gimplify_expr): Likewise.
2326
2327 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2328
2329         * toplev.h (pedwarn_at): Fix declaration.
2330
2331 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2332
2333         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2334         LINK_SPEC): Use %R in -Y P argument.
2335
2336 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2337
2338         PR c/15236
2339         * diagnostic.c (pedwarn_at): New.
2340         * toplev.h (pedwarn_at): Declare.
2341         * c-tree.h (build_enumerator): Update declaration.
2342         * c-decl.c (finish_enum): Update comment.
2343         (build_enumerator): Take a location parameter. Give a pedwarn but do
2344         not perform any conversion.
2345         * c-parser.c (c_parser_enum_specifier): Set correct location for
2346         enumerator.
2347
2348 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2349
2350         PR 35635
2351         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2352         expressions except for conversions to signed:1 bitfields. Handle
2353         COND_EXPR with constant operands.
2354
2355 2008-08-13  Richard Guenther  <rguenther@suse.de>
2356
2357         PR tree-optimization/15255
2358         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2359         (struct oecount_s): New struct and VEC types.
2360         (cvec): New global.
2361         (oecount_hash): New function.
2362         (oecount_eq): Likewise.
2363         (oecount_cmp): Likewise.
2364         (zero_one_operation): New function.
2365         (build_and_add_sum): Likewise.
2366         (undistribute_ops_list): Perform un-distribution of multiplication
2367         and division on the chain of summands.
2368         (should_break_up_subtract): Also break up subtracts for factors.
2369         (reassociate_bb): Delete dead visited statements.
2370         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2371         * passes.c (init_optimization_passes): Move DSE before
2372         reassociation.
2373         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2374         PHI nodes.
2375
2376 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2377
2378         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2379
2380         * doc/invoke.texi: Revert unintended checkin.
2381
2382 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2383
2384         PR libgomp/26165
2385         * gcc.c (include_spec_function): Tweak call to find_a_file.
2386
2387 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2388
2389         PR middle-end/37014
2390         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2391         and TRUTH_ORIF_EXPR.
2392         * dojump.c (do_jump): Likewise.
2393
2394         PR tree-optimization/37084
2395         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
2396         if id->regimplify, don't assume stmt is a cast assignment.
2397
2398 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
2399
2400         * final.c (final_scan_insn): Use app_enable/app_disable functions.
2401
2402 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2403
2404         PR bootstrap/37097
2405         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
2406         by last change.
2407
2408 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2409
2410         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
2411         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
2412
2413         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
2414         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
2415         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
2416         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
2417         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
2418
2419         * doc/tm.texi (Storage Layout): Remove documentation for
2420         TARGET_FLOAT_FORMAT.
2421
2422         * simplify-rtx.c (simplify_binary_operation_1): Replace
2423         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
2424
2425 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2426
2427         * real.h (struct real_format): New member has_sign_dependent_rounding.
2428         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
2429         spu_single_format, ieee_double_format, mips_double_format,
2430         motorola_double_format, ieee_extended_motorola_format,
2431         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2432         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2433         mips_extended_format, ieee_quad_format, mips_quad_format,
2434         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2435         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2436
2437         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2438         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2439         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2440         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2441         (ROUND_TOWARDS_ZERO): Likewise.
2442
2443         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
2444         (FLOAT_MODE_FORMAT): New macro.
2445         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
2446         (MODE_COMPOSITE_P): ... this new macro.
2447         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2448         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
2449         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
2450
2451         * flags.h: Include "real.h".
2452
2453         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
2454         REAL_MODE_FORMAT_COMPOSITE_P.
2455         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2456
2457         * doc/tm.texi (Storage Layout): Remove documentation of
2458         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2459         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
2460         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
2461         they only apply to libgcc2.a.
2462
2463 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2464
2465         * config/spu/float_disf.c: New file.
2466         * config/spu/float_unsdisf.c: New file.
2467         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
2468         (LIB2FUNCS_EXCLUDE): Define.
2469
2470 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2471             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2472
2473         * real.h (struct real_format): New member round_towards_zero.
2474         * real.c (round_for_format): Respect fmt->round_towards_zero.
2475         (ieee_single_format, mips_single_format, motorola_single_format,
2476         spu_single_format, ieee_double_format, mips_double_format,
2477         motorola_double_format, ieee_extended_motorola_format,
2478         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2479         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2480         mips_extended_format, ieee_quad_format, mips_quad_format,
2481         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2482         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2483
2484         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
2485         real_format to choose rounding mode when calling MPFR functions.
2486         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
2487         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
2488
2489         * real.h (real_to_decimal_for_mode): Add prototype.
2490         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
2491         Respect target rounding mode when generating decimal representation.
2492         (real_to_decimal): New stub for backwards compatibility.
2493         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
2494         real_to_decimal_for_mode instead of real_to_decimal.
2495
2496         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
2497
2498 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2499             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2500
2501         * real.c (spu_single_format): New variable.
2502         * real.h (spu_single_format): Declare.
2503
2504         * config/spu/spu.c (spu_override_options): Install SFmode format.
2505         (spu_split_immediate): Use integer mode to operate on pieces of
2506         floating-point values in all cases.
2507
2508         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
2509         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
2510         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
2511
2512 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2513
2514         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
2515
2516 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2517
2518         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
2519
2520 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2521
2522         PR c++/36688
2523         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
2524         on the VAR_DECL instead of TYPE_READONLY on its type.
2525
2526 2008-08-12  Ira Rosen  <irar@il.ibm.com>
2527
2528         * tree-vectorizer.c: Depend on langhooks.h.
2529         (supportable_widening_operation): Add two arguments. Support double
2530         type conversions.
2531         (supportable_narrowing_operation): Likewise.
2532         * tree-vectorizer.h (supportable_widening_operation): Add two
2533         arguments.
2534         (supportable_narrowing_operation): Likewise.
2535         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2536         supportable_widening_operation with correct arguments.
2537         * tree-vect-transform.c (vectorizable_conversion): Likewise.
2538         (vectorizable_type_demotion): Support double type conversions.
2539         (vectorizable_type_promotion): Likewise.
2540         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
2541
2542 2008-08-11  Michael Matz  <matz@suse.de>
2543
2544         * i386/i386.c (override_options): Move initialisation from
2545         flag_schedule_insns_after_reload to here from ...
2546         (optimization_options): ... here.
2547
2548 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
2549
2550         PR rtl-optimization/36998
2551         * dwarf2out.c (compute_barrier_args_size_1,
2552         compute_barrier_args_size): Temporarily remove assertions.
2553
2554 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2555
2556         PR middle-end/20644
2557         * tree-ssa.c (struct walk_data): Add new flag
2558         warn_possibly_uninitialized.
2559         (warn_uninitialized_var): Use it.
2560         (warn_uninitialized_vars): New.
2561         (execute_early_warn_uninitialized): Call it.
2562         (execute_late_warn_uninitialized): Likewise.
2563
2564 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2565
2566         PR middle-end/36238
2567         * reload1.c (gen_reload): Guard calls to get_secondary_mem
2568         for memory subregs.
2569
2570 2008-08-09  Jan Hubicka  <jh@suse.cz>
2571
2572         PR target/37055
2573         * optabs.c (maybe_emit_unop_insn): Remove produced code if
2574         expansion failed.
2575         (expand_fix): Be prepared for expansion to fail.
2576         (expand_sfix_optab): Remove instructions if expansion failed.
2577
2578 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
2579
2580         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
2581         avr31 architecture.
2582         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
2583         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2584
2585 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2586
2587         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
2588         mips/t-libgcc-mips16 to tmake_file.
2589         * config/mips/mips-protos.h (mips_call_type): New enum.
2590         (mips_pic_base_register, mips_got_load): Declare.
2591         (mips_restore_gp): Take an rtx argument.
2592         (mips_use_pic_fn_addr_reg_p): Declare.
2593         (mips_expand_call): Replace the sibcall_p argument with
2594         a mips_call_type argument.  Add a lazy_p parameter.
2595         (mips_split_call): Declare.
2596         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
2597         (MIPS16_PIC_TEMP): Likewise.
2598         (reg_class): Delete M16_NA_REGS.
2599         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2600         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
2601         (mips_split_hi_p): Declare.
2602         * config/mips/mips.c (mips_split_hi_p): New array.
2603         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
2604         (mips_got_symbol_type_p): New function.
2605         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
2606         (mips16_stub_function_p): New function.
2607         (mips16_local_function_p): Likewise.
2608         (mips_use_pic_fn_addr_reg_p): Likewise.
2609         (mips_cannot_force_const_mem): Return false for HIGHs.
2610         Extend CONST_INT and symbolic handling to MIPS16, using
2611         mips_symbol_insns to check that the base symbol type is a
2612         legitimate constant.  Reject GOT-based constants if
2613         TARGET_MIPS16_PCREL_LOADS.
2614         (mips_const_insns): Check targetm.cannot_force_const_mem when
2615         decomposing a symbolic base and a large offset.
2616         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
2617         When calling a function that needs $25 from MIPS16 code,
2618         move the target address into $25 separately and add a USE
2619         to the call insn.
2620         (mips16_gp_pseudo_reg): Insert the initializer immediately
2621         before the first real insn.
2622         (mips_pic_base_register, mips_got_load): New functions.
2623         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
2624         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
2625         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
2626         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
2627         (mips_call_tls_get_addr): Update the call to mips_expand_call,
2628         also passing NULL_RTX rather than const0_rtx as the aux argument.
2629         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
2630         instead of TARGET_EXPLICIT_RELOCS.
2631         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
2632         (mips_load_call_address): Replace the sibcall_p argument with
2633         a mips_call_type argument.  Use mips_got_load.
2634         (mips16_local_alias): New structure.
2635         (mips16_local_aliases): New variable.
2636         (mips16_local_aliases_hash): New function.
2637         (mips16_local_aliases_eq): Likewise.
2638         (mips16_local_alias): Likewise.
2639         (mips16_stub_function): Likewise.
2640         (mips16_build_function_stub): Create a local alias for the target
2641         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
2642         .cpload directive and an R_MIPS_NONE relocation for the target
2643         function, then load the alias rather than the function itself.
2644         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
2645         (mips16_copy_fpr_return_value): Use mips16_stub_function and
2646         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
2647         (mips16_build_call_stub): Replace the FN parameter with an
2648         FN_PTR parameter.  Force the address into a register if it
2649         isn't a call_insn_operand; don't rely on the caller to do this.
2650         If a call to a locally-defined and locally-binding MIPS16
2651         function must be made indirectly, redirect the call to the
2652         function's local alias.  Use mips16_stub_function_p,
2653         mips16_stub_function, mips_expand_call and use_reg.
2654         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
2655         Use explicit %hi and %lo accesses where possible.
2656         Use MIPS_CALL to generate the correct code form of a
2657         jal instruction.  Add clobbers of $18 instead of uses.
2658         Update the call to mips_emit_call_insn.
2659         (mips_expand_call): Replace the SIBCALL_P argument with a
2660         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
2661         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
2662         allowing it to modify the call address.  Update the calls to
2663         mips_load_call_address and mips_emit_call_insn.
2664         (mips_split_call): New function.
2665         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
2666         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
2667         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
2668         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
2669         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
2670         if TARGET_MIPS16.
2671         (mips_cprestore_slot): New function.
2672         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
2673         and use mips_cprestore_slot.
2674         (mips_output_function_prologue): Handle TARGET_MIPS16 for
2675         LOADGP_OLDABI.
2676         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
2677         then use a copygp_mips16 instruction to set up $28.
2678         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
2679         (mips16_lay_out_constants): Call split_all_insns_noflow.
2680         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
2681         false if TARGET_MIPS16.
2682         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
2683         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
2684         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
2685         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
2686         MIPS16 code.  Allow MIPS16 o32 PIC.
2687         (mips_override_options): Allow MIPS16 o32 PIC.
2688         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
2689         after reload if TARGET_USE_GOT.
2690         (UNSPEC_COPYGP): New constant.
2691         (length): Use a default length of 8 for MIPS16 GOT loads.
2692         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
2693         (*got_page<mode>): Check mips_split_hi_p.
2694         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
2695         (unspec_got<mode>, unspec_call<mode>): New expanders.
2696         (load_got<mode>, load_call<mode>): Remove the length attributes.
2697         Use a got attribute instead of a type attribute.
2698         (copygp_mips16): New insn.
2699         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
2700         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
2701         (sibcall, sibcall_value, call, call_value): Update the calls
2702         to mips_expand_call.
2703         (call_internal, call_value_internal): Use mips_split_call.
2704         (call_value_multiple_internal): Likewise.
2705         (call_split): Move after call_internal (the insn it is split from).
2706         (call_internal_direct, call_value_internal_direct): Turn into
2707         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
2708         (call_direct_split, call_value_direct_split): New patterns.
2709         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
2710         and use M16_REGS instead of M16_NA_REGS.
2711         * config/mips/predicates.md (const_call_insn_operand): Replace
2712         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
2713         mips_use_pic_fn_addr_reg_p check.
2714         (move_operand): Reject HIGHs if mips_split_hi_p.
2715         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
2716         (__mips16_floatunsisf): Inline __mips16_floatsisf.
2717         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
2718         * config/mips/libgcc-mips16.ver: New file.
2719         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
2720         $(srcdir)/config/mips/libgcc-mips16.ver.
2721
2722 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2723
2724         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
2725         (mips_unspec_address, mips_unspec_offset_high): Likewise.
2726         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
2727         (mips16_cfun_returns_in_fpr_p): Likewise.
2728
2729 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2730
2731         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
2732         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
2733         rather than 4 to PC.
2734
2735 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2736
2737         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
2738         (FUNCTION_PROFILER): Save the static chain pointer into $2
2739         beforehand and restore it aftewards.
2740         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
2741         address directly into $25 and call the function through $25;
2742         do not clobber $3.  Pad the DImode version to cover the space
2743         left by the deleted $25 <- $3 move.
2744         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
2745         the removal of the $25 <- $3 move.
2746         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
2747         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
2748
2749 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2750             Daniel Jacobowitz  <dan@codesourcery.com>
2751
2752         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
2753         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
2754         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
2755         * config/mips/mips.c (mips_start_function_definition): New function.
2756         (mips_end_function_definition): Likewise.
2757         (mips_output_function_prologue): Use mips_start_function_definition.
2758         (mips_output_function_epilogue): Use mips_end_function_definition.
2759         (build_mips16_function_stub): Use mips_start_function_definition
2760         and mips_end_function_definition.
2761         (build_mips16_call_stub): Likewise.
2762
2763 2008-08-09  Richard Guenther  <rguenther@suse.de>
2764
2765         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
2766         * gimple.h (gimple_call_fn): Adjust comment.
2767         (gimple_call_set_fndecl): New function.
2768         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
2769         longer having bare FUNCTION_DECL operand.
2770         (gimple_call_return_type): Likewise.
2771         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
2772
2773         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
2774         (gimple_mod_pow2): Likewise.
2775         (gimple_mod_subtract): Likewise.
2776         (gimple_ic): Likewise.
2777         (gimple_stringop_fixed_value): Likewise.
2778         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
2779         longer having bare FUNCTION_DECL operand.
2780         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
2781         * omp-low.c (optimize_omp_library_calls): Likewise.
2782         * cgraphunit.c (update_call_expr): Likewise.
2783         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
2784         (execute_convert_to_rsqrt): Likewise.
2785         * cfgexpand.c (gimple_to_tree): Simplify.
2786         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
2787         bare FUNCTION_DECL operand.
2788         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
2789         (convert_gimple_call): Use gimple_call_fndecl.
2790         * c-common.c (c_warn_unused_result): Likewise.
2791
2792 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2793
2794         PR c/17880
2795         * c-typeck.c (digest_init): Call verify_sequence_points from here.
2796         (c_finish_return): Likewise.
2797         (c_start_case): Likewise.
2798         * c-common.c (warn_for_collisions_1): Use explicit location in
2799         warning.
2800         * c-parser.c (c_parser_condition): New. Call
2801         verify_sequence_points.
2802         (c_parser_paren_condition): Call c_parser_condition.
2803         (c_parser_for_statement): Call c_parser_condition.
2804
2805 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2806
2807         PR 36901
2808         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
2809         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
2810         Moved from diagnostic.h
2811         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
2812         DK_PERMERROR.
2813         (emit_diagnostic): New.
2814         (warning0, pedwarn0): Delete.
2815         (warning, warning_at, pedwarn, permerror): Return bool.
2816         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
2817         Moved to diagnostic.c.
2818         (struct diagnostic_context): Use correct type for
2819         classify_diagnostic.
2820         (diagnostic_report_diagnostic): Update declaration.
2821         (emit_diagnostic): Declare.
2822         * errors.c (warning): Return bool.
2823         * errors.h (warning): Update declaration.
2824         * toplev.h (warning0, pedwarn0): Delete.
2825         (warning, warning_at, pedwarn, permerror): Return bool.
2826         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
2827         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
2828         inform. Update all calls.
2829         (diagnose_mismatched_decls): Check return value of warning/pedwarn
2830         before giving informative note.
2831         (implicit_decl_warning): Likewise.
2832         * c-typeck.c (build_function_call): Likewise.
2833         * tree-sssa.c (warn_uninit): Likewise.
2834         * builtins.c (gimplify_va_arg_expr): Likewise.
2835
2836 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2837
2838         PR 7651
2839         * doc/invoke.texi (-Wextra): Move warning from here...
2840         (-Wuninitialized): ... to here.
2841
2842 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2843
2844         PR 28875
2845         * flags.h (set_Wunused): Delete
2846         * toplev.c (process_options): Handle Wunused flags here.
2847         * opts.c (maybe_warn_unused_parameter): Delete.
2848         (common_handle_option): Replace set_Wunused by warn_unused.
2849         (set_Wextra): Do not handle Wunused-parameter here.
2850         (set_Wunused): Delete.
2851         * c-opts.c (c_common_handle_option): Replace set_Wunused by
2852         warn_unused.
2853         * common.opt (Wunused): Add Var and Init.
2854         (Wunused-function): Likewise.
2855         (Wunused-label): Likewise.
2856         (Wunused-parameter): Likewise.
2857         (Wunused-value): Likewise.
2858         (Wunused-variable): Likewise.
2859
2860 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
2861
2862         * doc/invoke.texi: Add cpu_type power7.
2863         * config.in (HAVE_AS_VSX): New.
2864         * config.gcc: Add cpu_type power7.
2865         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
2866         VSX instructions.
2867         * configure: Regenerate.
2868         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
2869         power5.
2870         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
2871         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
2872         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
2873
2874 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
2875
2876         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
2877         type to vectorize.builtin_conversion.
2878         (vectorizable_conversion): Likewise.
2879         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
2880         integral type as input.
2881         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
2882         FIX_TRUNC_EXPR.
2883         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
2884         and ALTIVEC_BUILTIN_VCTSXS.
2885         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
2886         formatting.
2887
2888 2008-08-08  Richard Guenther  <rguenther@suse.de>
2889
2890         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
2891         (surely_varying_stmt_p): Calls are varying only if they are
2892         non-builtin and not indirect or have no result.
2893         (ccp_fold): Re-instantiate code before the tuples merge.
2894
2895 2008-08-08  Richard Guenther  <rguenther@suse.de>
2896
2897         PR tree-optimization/37056
2898         * gimple.h (gimple_assign_rhs_class): New helper function.
2899         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
2900         unary operations properly.
2901
2902 2008-08-07  Jan Hubicka  <jh@suse.cz>
2903
2904         * i386.h (ix86_size_cost): Declare.
2905         (ix86_cur_cost): New function macro.
2906         * i386.md (peepholes expanding size and splitters): Predicate by
2907         optimize_insn_for_speed_p.
2908         (peepholes reduce size and splitters): Predicate by
2909         optimize_insn_for_size_p.
2910         * i386.c (ix86_size_cost): Rename from ...
2911         (size_cost): This one.
2912         (override_options): Update.
2913         (decide_alg): Likewise.
2914         (ix86_expand_clear): Use RTL profile.
2915         (ix86_pad_returns): Use RTL profile.
2916
2917 2008-08-07  Jan Hubicka  <jh@suse.cz>
2918
2919         * recog.c (split_all_insns): Set RTL profile
2920         (peephole2_optimize): Likewise.
2921         * function.c (thread_prologue_and_epilogue_insns): Likewise.
2922         * combine.c (combine_instructions): Likewise.
2923
2924 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2925
2926         * c-common.c (c_common_reswords): Also warn about keyword "bool".
2927
2928 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
2929
2930         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
2931         value in a6 after the set_frame_ptr insn.
2932
2933 2008-08-07  Richard Henderson  <rth@redhat.com>
2934
2935         PR debug/37033
2936         * gcc.c (cpp_options): Pass along -g*.
2937
2938 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2939
2940         * config/arm/arm.c (output_move_neon): Update comment describing
2941         big-endian vector layout.
2942         (arm_assemble_integer): Do not handle big-endian NEON vectors
2943         specially.
2944         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
2945         neon_vget_lane<mode>_sext_internal,
2946         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
2947         element indices for big-endian.
2948
2949 2008-08-07  Richard Henderson  <rth@redhat.com>
2950
2951         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
2952         * configure, config.in: Rebuild.
2953         * debug.h (dwarf2out_do_cfi_asm): Declare.
2954         * c-cppbuiltin.c (c_cpp_builtins): Use it.
2955         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
2956         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
2957         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
2958
2959 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2960
2961         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2962         movv2si_internal): Combine into mov<mode>_internal.
2963         (movv2si_internal_2): Remove.
2964
2965 2008-08-07  Jan Hubicka  <jh@suse.cz>
2966
2967         PR target/37048
2968         * i386.md (single stringop patterns): Enable unconditionally.
2969
2970 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2971
2972         PR target/36992
2973         * config/i386/emmintrin.h (_mm_move_epi64): Use
2974         __builtin_ia32_movq128.
2975
2976         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
2977         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
2978
2979         * config/i386/sse.md (sse2_movq128): New.
2980
2981         * doc/extend.texi: Document __builtin_ia32_movq128.
2982
2983 2008-08-07  Richard Guenther  <rguenther@suse.de>
2984
2985         PR middle-end/37042
2986         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
2987         pointers can access anything.
2988
2989 2008-08-06  Jan Hubicka  <jh@suse.cz>
2990
2991         * optabs.c (emit_unop_insn): Break out to ...
2992         (maybe_emit_unop_insn): ... this one.
2993         (expand_sfix_optab): Use maybe variant.
2994         * optabs.h (maybe_emit_unop_insn): Declare.
2995
2996         * i386.md (mov0 patterns): Enable by default.
2997         (FP conversion expanders): Disable expansion of code expanding
2998         sequences when instruction should be optimized for size.
2999         (single strinop patterns): Enable when optimizing for size.
3000         (string expanders): Disable expanding of code expanding sequences
3001         when optimizning instruction for size.
3002         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
3003         per BB basis.
3004         (ix86_fp_comparison_sahf_cost): Likewise.
3005         (ix86_expand_branch): Likewise.
3006         (ix86_expand_ashl_const): Likewise.
3007         (ix86_split_ashl): Likewise.
3008         (ix86_expand_strlen): Likewise.
3009         (ix86_emit_fp_unordered_jump): Likewie.
3010
3011 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3012
3013         * c-common.c: Fix typo.
3014         (c_common_reswords): Activate more C++ keyword warnings.
3015
3016         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
3017
3018 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3019
3020         PR 26785
3021         * diagnostic.c (permerror_at): New.
3022         * toplev.h (permerror_at): Declare.
3023
3024 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
3025             Ira Rosen  <irar@il.ibm.com>
3026
3027         * tree-vect-transform.c (vect_model_simple_cost): Return
3028         immediately if stmt is pure SLP.
3029         (vect_model_store_cost): Ditto.
3030         (vect_model_load_cost): Ditto.
3031         (vectorizable_store): Remove PURE_SLP check before call
3032         to vect_model_store_cost.
3033         (vect_model_store_cost): When checking whether stmt describe
3034         strided access, add a check that it is not slp_node.
3035
3036 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3037
3038         PR 8715
3039         * c-common.c (warn_for_sign_compare): New. Handle separately the
3040         case that 'constant' is zero.
3041         * c-typeck.c (build_binary_op): Move code to c-common.c
3042
3043 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3044
3045         * config/alpha/alpha.c (alpha_preferred_reload_class,
3046         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
3047         alpha_output_mi_thunk_osf): Avoid C++ keywords.
3048         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
3049         * config/arm/arm.md: Likewise.
3050         * config/avr/avr-protos.h (preferred_reload_class,
3051         test_hard_reg_class, avr_simplify_comparison_p,
3052         out_shift_with_cnt, class_max_nregs): Likewise.
3053         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
3054         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
3055         preferred_reload_class, test_hard_reg_class): Likewise.
3056         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
3057         bfin_memory_move_cost, bfin_secondary_reload,
3058         bfin_output_mi_thunk): Likewise.
3059         * config/crx/crx.c (crx_secondary_reload_class,
3060         crx_memory_move_cost): Likewise.
3061         * config/frv/frv-protos.h (frv_secondary_reload_class,
3062         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
3063         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
3064         frv_secondary_reload_class, frv_class_likely_spilled_p,
3065         frv_class_max_nregs): Likewise.
3066         * config/h8300/h8300.c (h8300_classify_operand,
3067         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
3068         Likewise.
3069         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
3070         * config/ia64/ia64.c (ia64_preferred_reload_class,
3071         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
3072         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
3073         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
3074         Likewise.
3075         * config/m68hc11/m68hc11.c (preferred_reload_class,
3076         m68hc11_memory_move_cost): Likewise.
3077         * config/mcore/mcore.c (mcore_secondary_reload_class,
3078         mcore_reload_class): Likewise.
3079         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
3080         mips_class_max_nregs, mips_cannot_change_mode_class,
3081         mips_preferred_reload_class, mips_secondary_reload_class,
3082         mips_output_mi_thunk): Likewise.
3083         * config/mmix/mmix.c (mmix_preferred_reload_class,
3084         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
3085         Likewise.
3086         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3087         Likewise.
3088         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
3089         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
3090         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3091         * config/rs6000/rs6000.c (paired_expand_vector_init,
3092         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
3093         compare_section_name, rs6000_memory_move_cost): Likewise.
3094         * config/s390/s390.c (s390_emit_compare_and_swap,
3095         s390_preferred_reload_class, s390_secondary_reload,
3096         legitimize_pic_address, legitimize_tls_address,
3097         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
3098         s390_class_max_nregs): Likewise.
3099         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3100         * config/s390/s390.md: Likewise.
3101         * config/score/score-protos.h (score_secondary_reload_class,
3102         score_preferred_reload_class): Likewise.
3103         * config/score/score.c (score_preferred_reload_class,
3104         score_secondary_reload_class): Likewise.
3105         * config/score/score3.c (score3_output_mi_thunk,
3106         score3_preferred_reload_class, score3_secondary_reload_class,
3107         score3_hard_regno_mode_ok): Likewise.
3108         * config/score/score3.h (score3_preferred_reload_class,
3109         score3_secondary_reload_class): Likewise.
3110         * config/score/score7.c (score7_output_mi_thunk,
3111         score7_preferred_reload_class, score7_secondary_reload_class,
3112         score7_hard_regno_mode_ok): Likewise.
3113         * config/score/score7.h (score7_preferred_reload_class,
3114         score7_secondary_reload_class): Likewise.
3115         * config/sh/sh.c (prepare_move_operands, output_far_jump,
3116         output_branchy_insn, add_constant, gen_block_redirect,
3117         sh_insn_length_adjustment, sh_cannot_change_mode_class,
3118         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
3119         Likewise.
3120         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3121         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
3122         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
3123         xstormy16_preferred_reload_class): Likewise.
3124         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
3125         xtensa_expand_atomic, override_options,
3126         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
3127         Likewise.
3128         * reorg.c (try_merge_delay_insns): Likewise.
3129         * tree.c (merge_dllimport_decl_attributes): Likewise.
3130
3131         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
3132
3133 2008-08-06  Michael Matz  <matz@suse.de>
3134
3135         * Makefile.in (write_entries_to_file): Quote words.
3136         * gengtype.c: (read_input_line): Skip over leading white-space.
3137
3138 2008-08-06  Marc Gauthier  <marc@tensilica.com>
3139
3140         * config.gcc: Match more processor names for Xtensa.
3141         * configure.ac: Likewise.
3142         * doc/install.texi (Specific): Likewise.
3143         * configure: Regenerate.
3144
3145 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3146
3147         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
3148         * calls.c (avoid_likely_spilled_reg): Likewise.
3149         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
3150         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
3151         * config/i386/i386.c (ix86_expand_special_args_builtin,
3152         ix86_secondary_reload): Likewise.
3153         * except.c (struct eh_region, gen_eh_region_catch,
3154         remove_unreachable_regions, duplicate_eh_regions,
3155         assign_filter_values, build_post_landing_pads,
3156         sjlj_find_directly_reachable_regions, remove_eh_handler,
3157         reachable_next_level, foreach_reachable_handler,
3158         can_throw_internal_1, can_throw_external_1,
3159         collect_one_action_chain): Likewise.
3160         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
3161         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
3162         * function.c (update_temp_slot_address, instantiate_new_reg,
3163         instantiate_virtual_regs_in_rtx,
3164         instantiate_virtual_regs_in_insn): Likewise.
3165         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
3166         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
3167         gimplify_cleanup_point_expr): Likewise.
3168         * ipa-cp.c (ipcp_lattice_changed): Likewise.
3169         * passes.c (next_pass_1): Likewise.
3170         * print-tree.c (print_node_brief, print_node): Likewise.
3171         * profile.c (branch_prob): Likewise.
3172         * tree-dump.c (dump_register): Likewise.
3173         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
3174         Likewise.
3175         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
3176         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
3177         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
3178         copy_arguments_for_versioning, copy_static_chain): Likewise.
3179         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
3180         add_new_name_mapping, register_new_name_mapping): Likewise.
3181         * tree-mudflap.c (mf_xform_derefs): Likewise.
3182         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
3183         get_init_expr, combine_chains): Likewise.
3184         * tree-pretty-print.c (dump_generic_node): Likewise.
3185         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3186         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3187         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3188         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3189
3190 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3191
3192         PR middle-end/37010
3193         * calls.c (expand_call): Use the biggest preferred stack
3194         boundary.
3195
3196 2008-08-06  Michael Matz  <matz@suse.de>
3197
3198         PR target/36613
3199         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3200         for reused reload, instead of overwriting them.
3201
3202 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3203
3204         PR middle-end/37009
3205         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3206         for incoming stack boundary.
3207
3208         * function.c (assign_parm_find_entry_rtl): Update
3209         parm_stack_boundary.
3210
3211         * function.h (rtl_data): Add parm_stack_boundary.
3212
3213         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3214         parm_stack_boundary for incoming stack boundary.
3215
3216 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3217
3218         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3219         for unrepresentable subregs or treat them as equal to other regs
3220         or subregs with the same register number.
3221
3222 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3223
3224         PR middle-end/35432
3225         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3226         if want_value.
3227
3228 2008-08-06  Jan Hubicka  <jh@suse.cz>
3229
3230         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3231         frequencies might be hot.
3232
3233 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3234
3235         * reload.c (find_reloads): Force constants into literal pool
3236         also if they are wrapped in a SUBREG.
3237
3238 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3239
3240         PR target/35659
3241         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3242         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3243         Don't allow predicated instructions for data speculation.
3244         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3245         declaration.
3246
3247 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3248
3249         * haifa-sched.c (extend_global): Split to extend_global_data and
3250         extend_region_data.  Update all uses.
3251         (extend_all): Rename to extend_block_data.
3252
3253 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3254
3255         * sched-rgn.c (new_ready): Check if instruction can be
3256         speculatively scheduled before attempting speculation.
3257         (debug_rgn_dependencies): Remove wrongful assert.
3258
3259 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3260
3261         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3262
3263 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3264
3265         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3266         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3267         va_size, and type_size.
3268
3269 2008-08-04  Jason Merrill  <jason@redhat.com>
3270
3271         PR c++/37016
3272         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3273         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3274
3275 2008-08-05  Richard Henderson  <rth@redhat.com>
3276
3277         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3278         * configure: Rebuild.
3279
3280 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3281
3282         PR tree-opt/37024
3283         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3284         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3285         is a conversion.
3286
3287 2008-08-05  Richard Henderson  <rth@redhat.com>
3288
3289         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3290         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3291         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3292         * common.opt (fdwarf2-cfi-asm): New.
3293         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3294         * config.in, configure: Rebuild.
3295         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3296         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3297         (dw2_force_const_mem): Externalize.
3298         * dwarf2asm.h: Update.
3299         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3300         generate a real label.
3301         (output_cfi_directive): New.
3302         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3303         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3304         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3305         and .cfi_lsda.
3306         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3307         (output_loc_operands_raw, output_loc_sequence_raw): New.
3308         (output_cfa_loc_raw): New.
3309
3310 2008-08-05  Paul Brook  <paul@codesourcery.com>
3311
3312         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3313         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3314         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3315         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3316         * config/arm/arm.h (TARGET_VFPD32): Define.
3317         (TARGET_VFP3): Use TARGET_VFPD32.
3318         (fputype): Add FPUTYPE_VFP3D16.
3319         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3320         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3321         * config/arm/arm-cores.def: Add cortex-r4f.
3322         * config/arm/arm-tune.md: Regenerate.
3323
3324 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3325
3326         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3327         Reword some comments throughout the file.
3328
3329         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3330         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3331         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3332         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3333
3334         (MFC_START_ENABLE): Remove PPU-only define.
3335         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3336         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3337
3338         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3339         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3340         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3341         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3342         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3343         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3344         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3345
3346         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3347         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3348         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3349         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3350
3351         (spu_read_machine_status): Fix typo.
3352
3353 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3354
3355         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3356         SUBREG of multi-word hard register.
3357         * config/spu/spu.c (valid_subreg): Likewise.
3358         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3359
3360 2008-08-04  Richard Guenther  <rguenther@suse.de>
3361
3362         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3363         the candidate with the stripped base if that base is different
3364         from the original base even for offset zero.
3365
3366 2008-08-04  Richard Guenther  <rguenther@suse.de>
3367
3368         PR middle-end/36691
3369         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3370         check for no_overflow.
3371
3372 2008-08-04  Richard Guenther  <rguenther@suse.de>
3373
3374         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3375
3376 2008-08-04  Paul Brook  <paul@codesourcery.com>
3377
3378         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3379         (arm_order_regs_for_local_alloc): New function.
3380         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3381         prototype.
3382         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3383
3384 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3385
3386         PR target/37012
3387         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3388         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3389         (ix86_expand_epilogue): Likewise.
3390
3391 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3392
3393         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
3394         in comments.
3395
3396 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
3399         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
3400         (*movv2sf_internal_rex64): Ditto.
3401
3402 2008-08-03  Jan Hubicka  <jh@suse.cz>
3403
3404         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
3405         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
3406         * expmed.c (expand_smod_pow2): Likewise.
3407
3408 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3409
3410         PR target/36992
3411         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
3412         alternative 0 of operand 1.
3413         (*vec_concatv2di_rex64_sse): Ditto.
3414         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
3415         of operand 1.
3416         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
3417         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
3418         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
3419         (*movv2sf_internal_rex64): Ditto.
3420
3421 2008-08-02  Richard Guenther  <rguenther@suse.de>
3422
3423         PR target/35252
3424         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
3425         (ssedoublesizemode): New mode attribute.
3426         (sse_shufps): Call gen_sse_shufps_v4sf.
3427         (sse_shufps_1): Macroize.
3428         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
3429         (sse2_shufpd_1): Macroize.
3430         (vec_extract_odd, vec_extract_even): New expanders.
3431         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
3432         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
3433         * i386.c (ix86_expand_vector_init_one_nonzero): Call
3434         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
3435         (ix86_expand_vector_set): Likewise.
3436         (ix86_expand_reduc_v4sf): Likewise.
3437
3438 2008-08-01  Doug Kwan  <dougkwan@google.com>
3439
3440         * matrix-reorg.c: Re-enable all code.
3441         (struct malloc_call_data): Change CALL_STMT to gimple type.
3442         (collect_data_for_malloc_call): Tuplify.
3443         (struct access_site_info): Change STMT to gimple type.
3444         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
3445         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
3446         (struct free_info): Change STMT to gimple type.
3447         (struct matrix_access_phi_node):  Change PHI to gimple type.
3448         (get_inner_of_cast_expr): Remove.
3449         (may_flatten_matrices_1): Tuplify.
3450         (may_flatten_matrices): Ditto.
3451         (mark_min_matrix_escape_level): Ditto.
3452         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
3453         (ssa_accessed_in_call_rhs): New
3454         (ssa_accessed_in_assign_rhs): New
3455         (record_access_alloc_site_info): Tuplify.
3456         (add_allocation_site): Ditto.
3457         (analyze_matrix_allocation_site): Ditto.
3458         (analyze_transpose): Ditto.
3459         (get_index_from_offset): Ditto.
3460         (update_type_size): Ditto.
3461         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
3462         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
3463         (analyze_accesses_for_phi_node): Tuplify.
3464         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
3465         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
3466         (analyze_matrix_accesses): Tuplify.
3467         (check_var_data): New call-back type for check_var_notmodified_p.
3468         (check_var_notmodified_p): Tuplify and use call-back struct to
3469         return statement found.
3470         (can_calculate_expr_before_stmt): Factor out statement related code
3471         into ...
3472         (can_calculate_stmt_before_stmt): New.
3473         (check_allocation_function): Tuplify.
3474         (find_sites_in_func): Ditto.
3475         (record_all_accesses_in_func): Ditto.
3476         (transform_access_sites): Ditto.
3477         (transform_allocation_sites): Ditto.
3478         (matrix_reorg): Re-enable.
3479         (gate_matrix_reorg): Re-enable.
3480
3481 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
3482
3483         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
3484         for labels for which it hasn't been set yet.  If it has been set,
3485         stop walking insns and continue with next worklist item.
3486         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
3487         if the only BARRIER is at the very end of a function.
3488
3489 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3490
3491         * cfgexpand.c (expand_stack_alignment): Assert that
3492         stack_realign_drap and drap_rtx must match.
3493
3494         * function.c (instantiate_new_reg): If DRAP is used to realign
3495         stack, replace virtual_incoming_args_rtx with internal arg
3496         pointer.
3497
3498 2008-08-01  Richard Guenther  <rguenther@suse.de>
3499
3500         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
3501         loop information only if we initialized it.
3502         (execute_pre): Call fini_pre with in_fre.
3503         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
3504         if we do not unroll because we hit max-completely-peeled-insns.
3505         Use our estimation for consistency, do allow shrinking.
3506
3507 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3508
3509         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
3510         with MIN_STACK_BOUNDARY.
3511         (ix86_update_stack_boundary): Likewise.
3512         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
3513         STACK_BOUNDARY.
3514
3515         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
3516         (MIN_STACK_BOUNDARY): This.
3517
3518 2008-08-01  Richard Guenther  <rguenther@suse.de>
3519
3520         PR middle-end/36997
3521         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
3522
3523 2008-08-01  Richard Guenther  <rguenther@suse.de>
3524
3525         PR tree-optimization/36988
3526         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
3527         do not matter if that doesn't change volatile qualification.
3528
3529 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
3530
3531         * configure.ac: Do not generate libada-mk.  Do not subst
3532         host_cc_for_libada.
3533         * libada-mk.in: Remove.
3534         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
3535         * configure: Regenerate.
3536
3537 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
3538
3539         * tree-pass.h: Added comment about not dumping passes with name
3540         starting with star in struct opt_pass.
3541         * passes.c (register_dump_files_1): Don't do dump for a pass with
3542         name starting with star.
3543         * doc/passes.texi (Pass manager): Mention pass names and special
3544         meaning of star prefix to avoid dump.
3545
3546 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
3547
3548         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
3549         to MIPS64r2.
3550         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
3551         (ISA_MIPS64R2): New macro.
3552         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
3553         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
3554         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
3555         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
3556         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
3557         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
3558         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
3559         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
3560         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
3561         Move up to keep list alphabetically sorted.
3562         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
3563         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
3564         processor.
3565         * doc/invoke.texi (MIPS Options): Add -mips64r2.
3566         (-march=@var{arch}): Add mips64r2.
3567
3568 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3569
3570         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
3571
3572 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
3573
3574         * expr.c (expand_assignment): Check for complete type.
3575
3576 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3577
3578         PR debug/36977
3579         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
3580
3581         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
3582         for stack alignment.
3583
3584         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
3585
3586 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3587
3588         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
3589         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
3590
3591 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3592
3593         PR rtl-optimization/36419
3594         * dwarf2out.c (barrier_args_size): New variable.
3595         (compute_barrier_args_size, compute_barrier_args_size_1): New
3596         functions.
3597         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
3598         if not called yet in the current function, use barrier_args_size
3599         array to find the new args_size value.
3600         (dwarf2out_frame_debug): Free and clear barrier_args_size.
3601
3602 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3603
3604         PR debug/36980
3605         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
3606         rule 19.
3607
3608 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3609
3610         PR debug/36976
3611         * dwarf2out.c (dwarf2out_args_size_adjust): New.
3612         (dwarf2out_stack_adjust): Use it.
3613         (dwarf2out_frame_debug_expr): Likewise.
3614
3615 2008-07-31  Richard Guenther  <rguenther@suse.de>
3616
3617         PR tree-optimization/36978
3618         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
3619         the generated condition.
3620
3621 2008-07-31  Richard Guenther  <rguenther@suse.de>
3622
3623         * passes.c (init_optimization_passes): Always call
3624         pass_early_warn_uninitialized.
3625         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
3626         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
3627         * doc/passes.texi (Warn for uninitialized variables): Adjust.
3628
3629 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3630
3631         PR c/36970
3632         * builtins.c (maybe_emit_free_warning): New function.
3633         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
3634         maybe_emit_free_warning for BUILT_IN_FREE.
3635
3636         PR debug/36278
3637         * dwarf2out.c (get_context_die): New function.
3638         (force_decl_die, force_type_die): Use it.
3639         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
3640         returns NULL, force generation of DW_TAG_typedef and put that into
3641         DW_AT_import.
3642
3643         PR preprocessor/36649
3644         * c-pch.c (c_common_read_pch): Save and restore
3645         line_table->trace_includes across PCH restore.
3646
3647 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
3648
3649         PR ada/36554
3650         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
3651
3652 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3653
3654         PR 36974
3655         * final.c (call_from_call_insn): Handle COND_EXEC.
3656
3657 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3658
3659         * builtins.c (std_gimplify_va_arg_expr): Replace
3660         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
3661         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3662
3663 2008-07-30  Joey Ye  <joey.ye@intel.com>
3664             H.J. Lu  <hongjiu.lu@intel.com>
3665
3666         * builtins.c (expand_builtin_setjmp_receiver): Replace
3667         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
3668         (expand_builtin_apply_args_1): Likewise.
3669         (expand_builtin_longjmp): Need DRAP for stack alignment.
3670         (expand_builtin_apply): Likewise.
3671
3672         * caller-save.c (setup_save_areas): Call assign_stack_local_1
3673         instead of assign_stack_local to allow alignment reduction.
3674
3675         * calls.c (emit_call_1): Need DRAP for stack alignment if
3676         return pops.
3677         (expand_call): Replace virtual_incoming_args_rtx with
3678         crtl->args.internal_arg_pointer.
3679         * stmt.c (expand_nl_goto_receiver): Likewise.
3680
3681         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
3682         alignment and store to stack_alignment_estimated and
3683         max_used_stack_slot_alignment.
3684         (expand_one_var): Likewise.
3685         (expand_stack_alignment): New function.
3686         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
3687         and stack_alignment_estimated fields in rtl_data.  Call
3688         expand_stack_alignment at end.
3689
3690         * defaults.h (INCOMING_STACK_BOUNDARY): New.
3691         (MAX_STACK_ALIGNMENT): Likewise.
3692         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
3693         (SUPPORTS_STACK_ALIGNMENT): Likewise.
3694
3695         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
3696         stack alignment when generating virtual registers.
3697
3698         * function.c (assign_stack_local): Renamed to ...
3699         (assign_stack_local_1): This.  Add a parameter to indicate
3700         if it is OK to reduce alignment.
3701         (assign_stack_local): Use it.
3702         (instantiate_new_reg): Instantiate virtual incoming args rtx
3703         to vDRAP if stack realignment and DRAP is needed.
3704         (assign_parms): Collect parameter/return type alignment and
3705         contribute to stack_alignment_estimated.
3706         (locate_and_pad_parm): Likewise.
3707         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
3708         with crtl->args.internal_arg_pointer.
3709
3710         * function.h (rtl_data): Add new field drap_reg,
3711         max_used_stack_slot_alignment, stack_alignment_estimated,
3712         stack_realign_needed, need_drap, stack_realign_processed and
3713         stack_realign_finalized.
3714         (stack_realign_fp): New macro.
3715         (stack_realign_drap): Likewise.
3716
3717         * global.c (compute_regsets): Frame pointer is needed when
3718         stack is realigned.  Can eliminate frame pointer when stack is
3719         realigned and dynamic realigned argument pointer isn't used.
3720
3721         * reload1.c (update_eliminables):  Frame pointer is needed
3722         when stack is realigned.
3723         (init_elim_table): Can eliminate frame pointer when stack is
3724         realigned and dynamic realigned argument pointer isn't used.
3725
3726         * rtl.h (assign_stack_local_1): Declare new funtion.
3727
3728         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
3729         (TARGET_GET_DRAP_RTX): Likewise.
3730         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
3731         TARGET_GET_DRAP_RTX.
3732
3733         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
3734
3735         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3736         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
3737
3738 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
3739             H.J. Lu  <hongjiu.lu@intel.com>
3740
3741         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
3742         vdrap_reg, stack_realign and drap_reg_saved.
3743         (add_cfi): Don't allow redefining CFA when DRAP is used.
3744         (reg_save): Handle stack alignment.
3745         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
3746         alignment.  Don't generate DWARF information for (set fp sp)
3747         when DRAP is used.
3748         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
3749         to INVALID_REGNUM.
3750         (int_loc_descriptor): Move prototype forward.  Also define if
3751         DWARF2_UNWIND_INFO is true.
3752         (output_cfa_loc): Handle DW_CFA_expression.
3753         (build_cfa_aligned_loc): New.
3754         (based_loc_descr): Update assert for stack realign.  For local
3755         variables, use sp+offset when stack is aligned without drap and
3756         fp+offset when stack is aligned with drap.  For arguments, use
3757         cfa+offset when drap is used to align stack.
3758
3759 2008-07-30  Joey Ye  <joey.ye@intel.com>
3760             H.J. Lu  <hongjiu.lu@intel.com>
3761
3762         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
3763         Break long line.
3764         (ix86_gen_andsp): New.
3765         (ix86_user_incoming_stack_boundary): Likewise.
3766         (ix86_default_incoming_stack_boundary): Likewise.
3767         (ix86_incoming_stack_boundary): Likewise.
3768         (ix86_can_eliminate): Likewise.
3769         (find_drap_reg): Likewise.
3770         (ix86_update_stack_boundary): Likewise.
3771         (ix86_get_drap_rtx): Likewise.
3772         (ix86_finalize_stack_realign_flags): Likewise.
3773         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
3774         (TARGET_GET_DRAP_RTX): Likewise.
3775         (override_options): Overide option value for new options.
3776         (ix86_function_ok_for_sibcall): Remove check for
3777         force_align_arg_pointer.
3778         (ix86_handle_cconv_attribute): Likewise.
3779         (ix86_function_regparm): Likewise.
3780         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
3781         (ix86_va_start): Replace virtual_incoming_args_rtx with
3782         crtl->args.internal_arg_pointer.
3783         (ix86_select_alt_pic_regnum): Check DRAP register.
3784         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
3785         (ix86_compute_frame_layout): Compute frame layout wrt stack
3786         realignment.
3787         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
3788         (ix86_expand_prologue): Decide if stack realignment is needed
3789         and generate prologue code accordingly.
3790         (ix86_expand_epilogue): Generate epilogue code wrt stack
3791         realignment is really needed or not.
3792
3793         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
3794         (ABI_STACK_BOUNDARY): Likewise.
3795         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
3796         (STACK_REALIGN_DEFAULT): Likewise.
3797         (INCOMING_STACK_BOUNDARY): Likewise.
3798         (MAX_STACK_ALIGNMENT): Likewise.
3799         (ix86_incoming_stack_boundary): Likewise.
3800         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
3801         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
3802         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
3803         (machine_function): Remove force_align_arg_pointer.
3804
3805         * config/i386/i386.md (BX_REG): New.
3806         (R13_REG): Likewise.
3807
3808         * config/i386/i386.opt (mforce_drap): New.
3809         (mincoming-stack-boundary): Likewise.
3810         (mstackrealign): Add Init(-1).
3811
3812         * config/i386/i386-protos.h (ix86_can_eliminate): New
3813
3814 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3815
3816         * doc/extend.texi: Update force_align_arg_pointer.
3817
3818         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
3819         -mstackrealign.
3820
3821         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
3822         (INCOMING_STACK_BOUNDARY): Likewise.
3823         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
3824         (TARGET_GET_DRAP_RTX): Likewise.
3825
3826 2008-07-30  Andreas Schwab  <schwab@suse.de>
3827
3828         PR rtl-optimization/36929
3829         * dse.c (replace_inc_dec): Use emit_insn_before instead of
3830         add_insn_before and fix argument order.
3831         (replace_inc_dec_mem): Handle NULL rtx.
3832
3833 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
3834
3835         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
3836         function.
3837         (arm_compute_initial_elimination_offset): Use it.
3838         (arm_compute_save_reg_mask): Include static chain save slot when
3839         calculating alignment.
3840         (arm_get_frame_offsets): Ditto.
3841         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
3842         that we can use to decrement the stack when the stack decrement
3843         could be too big for an immediate value in a single insn.
3844         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
3845
3846 2008-07-30  Richard Guenther  <rguenther@suse.de>
3847
3848         PR tree-optimization/36967
3849         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
3850         Release defs of statements we remove.
3851
3852 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3853
3854         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
3855         instead of NULL_RTVEC.
3856
3857 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3858
3859         PR target/35866
3860
3861         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
3862         vector modes.
3863
3864 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3865
3866         * final.c (call_from_call_insn): New.
3867         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
3868
3869 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
3870
3871         * configure.ac: Substitute ADA_CFLAGS.
3872         * configure: Regenerate.
3873         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
3874         * Makefile.in: Remove mention of X_* variables.
3875         * config/pa/x-ada-hpux10: Remove.
3876         * config/pa/x-ada: Remove.
3877
3878         * doc/fragments.texi: Update.
3879
3880 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3881
3882         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
3883         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
3884         __dso_handle explicitly here.
3885
3886 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3887
3888         PR 34389
3889         * c-typeck.c (build_binary_op): Encapsulate code into...
3890         * c-common.c (shorten_binary_op): ...this new function.
3891         (conversion_warning): Use the new function. Handle non-negative
3892         constant in bitwise-and.
3893         * c-common.h (shorten_binary_op): Declare.
3894
3895 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3896
3897         * scan.c (make_sstring_space): Add explicit conversions of
3898         allocator's return value.
3899         * fix-header.c (recognized_function): Likewise.
3900
3901 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3902
3903         * doc/cpp.texi: Update to GFDL 1.2.
3904         * doc/gcc.texi: Do not list GPL as Invariant Section.
3905         * doc/gccint.texi: Likewise.  Update copyright years.
3906         * doc/install.texi: Update copyright years.
3907
3908 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
3909
3910         PR target/36955
3911         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
3912         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
3913
3914 2008-07-29  Jan Hubicka  <jh@suse.cz>
3915
3916         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
3917         (grokdeclarator): Likewise.
3918         * langhooks.c (lhd_warn_unused_global_decl): Use
3919         DECL_DECLARED_INLINE_P.
3920         * print-tree.c (print_node): Remove DECL_INLINE check.
3921
3922 2008-07-29  Richard Guenther  <rguenther@suse.de>
3923
3924         PR tree-optimization/36945
3925         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
3926         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
3927         Record invariant addresses un-decomposed.
3928         (copy_reference_ops_from_call): Record reference call
3929         arguments properly.  Simplify.
3930         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
3931         helper split out from ...
3932         (create_component_ref_by_pieces): ... here.  Simplify.
3933         Prepare for recursive invocation for call arguments.
3934         (create_expression_by_pieces): Adjust call to
3935         create_component_ref_by_pieces.
3936         (compute_avail): Process operand 2 of reference ops.
3937
3938 2008-07-29  Richard Guenther  <rguenther@suse.de>
3939
3940         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
3941
3942 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
3943
3944         * c-format.c (check_format_types): Revert unwanted checkin.
3945
3946 2008-07-29  Jan Hubicka  <jh@suse.cz>
3947
3948         * flags.h (flag_really_no_inline): Remove.
3949         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
3950         * toplev.c (flag_really_no_inline): Remove.
3951         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
3952         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
3953         (cgraph_decide_inlining_incrementally): Likewise.
3954         (compute_inline_parameters): Likewise.
3955         * opts.c (decode_options): Simplify.
3956         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
3957         * common.opt (finline): Initialize to 1.
3958         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
3959
3960 2008-07-29  Jan Hubicka  <jh@suse.cz>
3961
3962         * predict.c (always_optimize_for_size_p): New function.
3963         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3964         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3965         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
3966         functions.
3967         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
3968         * function.c (prepare_function_start): Set default profile.
3969         * function.h (rtl_data): Add maybe_hot_insn_p.
3970         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
3971         (construct_exit_block): Likewise.
3972         (tree_expand_cfg): Likewise.
3973         * basic-block.h
3974         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3975         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3976         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
3977         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
3978         Declare.
3979
3980 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3981
3982         PR 34985
3983         * c-decl.c (merge_decls): Merge USED flags.
3984
3985 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3986
3987         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
3988         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
3989         next_stack, lab_false and lab_over trees.
3990
3991 2008-07-28  Richard Guenther  <rguenther@suse.de>
3992
3993         PR tree-optimization/36957
3994         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
3995         (useless_type_conversion_p): Remove.
3996         (types_compatible_p): Remove.
3997         * gimple.h (tree_ssa_useless_type_conversion): Declare.
3998         (useless_type_conversion_p): Declare.
3999         (types_compatible_p): Declare.
4000         (gimple_expr_type): Return the base type only if it is
4001         trivially convertible to the subtype.
4002
4003 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
4004
4005         * configure.ac: Use the m4_do macro to concatenate the warnings into
4006         one string in ACX_PROG_CC_WARNING_OPTS,
4007         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
4008         * configure: Regenerate.
4009
4010 2008-07-28  Richard Guenther  <rguenther@suse.de>
4011
4012         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
4013         (insert_fake_stores): Remove.
4014         (realify_fake_stores): Likewise.
4015         (execute_pre): Remove dead code.
4016         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
4017         (find_func_aliases): Deal with it here instead.
4018         Re-enable gcc_unreachable call.
4019
4020 2008-07-28  Richard Guenther  <rguenther@suse.de>
4021
4022         Merge from gimple-tuples-branch.
4023
4024         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
4025         * gimple.def: New file.
4026         * gsstruct.def: Likewise.
4027         * gimple-iterator.c: Likewise.
4028         * gimple-pretty-print.c: Likewise.
4029         * tree-gimple.c: Removed.  Merged into ...
4030         * gimple.c: ... here.  New file.
4031         * tree-gimple.h: Removed.  Merged into ...
4032         * gimple.h: ... here.  New file.
4033
4034         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
4035         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
4036         --enable-checking=gimple flag.
4037         * config.in: Likewise.
4038         * configure: Regenerated.
4039
4040         * tree-ssa-operands.h: Tuplified.
4041         * tree-vrp.c: Likewise.
4042         * tree-loop-linear.c: Likewise.
4043         * tree-into-ssa.c: Likewise.
4044         * tree-ssa-loop-im.c: Likewise.
4045         * tree-dump.c: Likewise.
4046         * tree-complex.c: Likewise.
4047         * cgraphbuild.c: Likewise.
4048         * tree-ssa-threadupdate.c: Likewise.
4049         * tree-ssa-loop-niter.c: Likewise.
4050         * tree-pretty-print.c: Likewise.
4051         * tracer.c: Likewise.
4052         * gengtype.c: Likewise.
4053         * tree-loop-distribution.c: Likewise.
4054         * tree-ssa-loop-unswitch.c: Likewise.
4055         * cgraph.c: Likewise.
4056         * cgraph.h: Likewise.
4057         * tree-ssa-loop-manip.c: Likewise.
4058         * value-prof.c: Likewise.
4059         * tree-ssa-loop-ch.c: Likewise.
4060         * tree-tailcall.c: Likewise.
4061         * value-prof.h: Likewise.
4062         * tree.c: Likewise.
4063         * tree.h: Likewise.
4064         * tree-pass.h: Likewise.
4065         * ipa-cp.c: Likewise.
4066         * tree-scalar-evolution.c: Likewise.
4067         * tree-scalar-evolution.h: Likewise.
4068         * target.h: Likewise.
4069         * lambda-mat.c: Likewise.
4070         * tree-phinodes.c: Likewise.
4071         * diagnostic.h: Likewise.
4072         * builtins.c: Likewise.
4073         * tree-ssa-alias-warnings.c: Likewise.
4074         * cfghooks.c: Likewise.
4075         * fold-const.c: Likewise.
4076         * cfghooks.h: Likewise.
4077         * omp-low.c: Likewise.
4078         * tree-ssa-dse.c: Likewise.
4079         * ipa-reference.c: Likewise.
4080         * tree-ssa-uncprop.c: Likewise.
4081         * toplev.c: Likewise.
4082         * tree-gimple.c: Likewise.
4083         * tree-gimple.h: Likewise.
4084         * tree-chrec.c: Likewise.
4085         * tree-chrec.h: Likewise.
4086         * tree-ssa-sccvn.c: Likewise.
4087         * tree-ssa-sccvn.h: Likewise.
4088         * cgraphunit.c: Likewise.
4089         * tree-ssa-copyrename.c: Likewise.
4090         * tree-ssa-ccp.c: Likewise.
4091         * tree-ssa-loop-ivopts.c: Likewise.
4092         * tree-nomudflap.c: Likewise.
4093         * tree-call-cdce.c: Likewise.
4094         * ipa-pure-const.c: Likewise.
4095         * c-format.c: Likewise.
4096         * tree-stdarg.c: Likewise.
4097         * tree-ssa-math-opts.c: Likewise.
4098         * tree-ssa-dom.c: Likewise.
4099         * tree-nrv.c: Likewise.
4100         * tree-ssa-propagate.c: Likewise.
4101         * ipa-utils.c: Likewise.
4102         * tree-ssa-propagate.h: Likewise.
4103         * tree-ssa-alias.c: Likewise.
4104         * gimple-low.c: Likewise.
4105         * tree-ssa-sink.c: Likewise.
4106         * ipa-inline.c: Likewise.
4107         * c-semantics.c: Likewise.
4108         * dwarf2out.c: Likewise.
4109         * expr.c: Likewise.
4110         * tree-ssa-loop-ivcanon.c: Likewise.
4111         * predict.c: Likewise.
4112         * tree-ssa-loop.c: Likewise.
4113         * tree-parloops.c: Likewise.
4114         * tree-ssa-address.c: Likewise.
4115         * tree-ssa-ifcombine.c: Likewise.
4116         * matrix-reorg.c: Likewise.
4117         * c-decl.c: Likewise.
4118         * tree-eh.c: Likewise.
4119         * c-pretty-print.c: Likewise.
4120         * lambda-trans.c: Likewise.
4121         * function.c: Likewise.
4122         * langhooks.c: Likewise.
4123         * ebitmap.h: Likewise.
4124         * tree-vectorizer.c: Likewise.
4125         * function.h: Likewise.
4126         * langhooks.h: Likewise.
4127         * tree-vectorizer.h: Likewise.
4128         * ipa-type-escape.c: Likewise.
4129         * ipa-type-escape.h: Likewise.
4130         * domwalk.c: Likewise.
4131         * tree-if-conv.c: Likewise.
4132         * profile.c: Likewise.
4133         * domwalk.h: Likewise.
4134         * tree-data-ref.c: Likewise.
4135         * tree-data-ref.h: Likewise.
4136         * tree-flow-inline.h: Likewise.
4137         * tree-affine.c: Likewise.
4138         * tree-vect-analyze.c: Likewise.
4139         * c-typeck.c: Likewise.
4140         * gimplify.c: Likewise.
4141         * coretypes.h: Likewise.
4142         * tree-ssa-phiopt.c: Likewise.
4143         * calls.c: Likewise.
4144         * tree-ssa-coalesce.c: Likewise.
4145         * tree.def: Likewise.
4146         * tree-dfa.c: Likewise.
4147         * except.c: Likewise.
4148         * except.h: Likewise.
4149         * cfgexpand.c: Likewise.
4150         * tree-cfgcleanup.c: Likewise.
4151         * tree-ssa-pre.c: Likewise.
4152         * tree-ssa-live.c: Likewise.
4153         * tree-sra.c: Likewise.
4154         * tree-ssa-live.h: Likewise.
4155         * tree-predcom.c: Likewise.
4156         * lambda.h: Likewise.
4157         * tree-mudflap.c: Likewise.
4158         * ipa-prop.c: Likewise.
4159         * print-tree.c: Likewise.
4160         * tree-ssa-copy.c: Likewise.
4161         * ipa-prop.h: Likewise.
4162         * tree-ssa-forwprop.c: Likewise.
4163         * ggc-page.c: Likewise.
4164         * c-omp.c: Likewise.
4165         * tree-ssa-dce.c: Likewise.
4166         * tree-vect-patterns.c: Likewise.
4167         * tree-ssa-ter.c: Likewise.
4168         * tree-nested.c: Likewise.
4169         * tree-ssa.c: Likewise.
4170         * lambda-code.c: Likewise.
4171         * tree-ssa-loop-prefetch.c: Likewise.
4172         * tree-inline.c: Likewise.
4173         * tree-inline.h: Likewise.
4174         * tree-iterator.c: Likewise.
4175         * tree-optimize.c: Likewise.
4176         * tree-ssa-phiprop.c: Likewise.
4177         * tree-vect-transform.c: Likewise.
4178         * tree-object-size.c: Likewise.
4179         * tree-outof-ssa.c: Likewise.
4180         * cfgloop.c: Likewise.
4181         * system.h: Likewise.
4182         * tree-profile.c: Likewise.
4183         * cfgloop.h: Likewise.
4184         * c-gimplify.c: Likewise.
4185         * c-common.c: Likewise.
4186         * tree-vect-generic.c: Likewise.
4187         * tree-flow.h: Likewise.
4188         * c-common.h: Likewise.
4189         * basic-block.h: Likewise.
4190         * tree-ssa-structalias.c: Likewise.
4191         * tree-switch-conversion.c: Likewise.
4192         * tree-ssa-structalias.h: Likewise.
4193         * tree-cfg.c: Likewise.
4194         * passes.c: Likewise.
4195         * ipa-struct-reorg.c: Likewise.
4196         * ipa-struct-reorg.h: Likewise.
4197         * tree-ssa-reassoc.c: Likewise.
4198         * cfgrtl.c: Likewise.
4199         * varpool.c: Likewise.
4200         * stmt.c: Likewise.
4201         * tree-ssanames.c: Likewise.
4202         * tree-ssa-threadedge.c: Likewise.
4203         * langhooks-def.h: Likewise.
4204         * tree-ssa-operands.c: Likewise.
4205         * config/alpha/alpha.c: Likewise.
4206         * config/frv/frv.c: Likewise.
4207         * config/s390/s390.c: Likewise.
4208         * config/m32c/m32c.c: Likewise.
4209         * config/m32c/m32c-protos.h: Likewise.
4210         * config/spu/spu.c: Likewise.
4211         * config/sparc/sparc.c: Likewise.
4212         * config/i386/i386.c: Likewise.
4213         * config/sh/sh.c: Likewise.
4214         * config/xtensa/xtensa.c: Likewise.
4215         * config/stormy16/stormy16.c: Likewise.
4216         * config/ia64/ia64.c: Likewise.
4217         * config/rs6000/rs6000.c: Likewise.
4218         * config/pa/pa.c: Likewise.
4219         * config/mips/mips.c: Likewise.
4220
4221 2008-07-28  Simon Baldwin  <simonb@google.com>
4222
4223         * c-pragma.c (handle_pragma_message): New function.
4224         (init_pragma): Register handle_pragma_message.
4225         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4226         documentation.
4227
4228 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4229
4230         PR tree-optimization/35252
4231         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4232         REALPART_EXPR to be considered as same load operation.
4233
4234 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4235
4236         PR tree-optimization/36830
4237         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4238         (expressions_equal_p): Return false if only one operand is null.
4239
4240 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4241
4242         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4243         version requirements.
4244
4245 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4246
4247         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4248         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4249         code and head comment accordingly.
4250         (scan_prog_file): Use symkind names instead of bare integers.
4251
4252 2008-07-25  Jan Hubicka  <jh@suse.cz>
4253
4254         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4255         DECL_INLINE.
4256         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4257         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4258         * dojump.c (clear_pending_stack_adjust): Likewise.
4259         * print-tree.c (print_node): Ignore DECL_INLINE.
4260         * tree-inline.c (inlinable_function_p): Likewise.
4261
4262 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4263
4264         * doc/extend.texi (hot attribute): Document that the hot attribute
4265         turns on -O3 for some ports.
4266         (cold attribute): Document that the cold attribute turns on -Os
4267         for some ports
4268
4269         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4270         reflect function specific option support.
4271
4272         * target.h (struct target_option_hooks): Add fields to say whether
4273         the cold attribute implies -Os and the hot attribute implies -O3.
4274
4275         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4276         By default, do not turn on -Os for cold functions.
4277         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4278         not turn on -O3 for hot functions.
4279
4280         * c-common.c (handle_hot_attribute): Use target hook to determine
4281         if hot functions should enable -O3.
4282         (handle_cold_attribute): Use target hook to determine if cold
4283         functions should enable -Os.
4284
4285         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4286         (override_options): Move disable scheduling to
4287         optimization_options.
4288         (optimization_options): Disable scheduling here, not
4289         override_options.
4290         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4291         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4292
4293         * config/ia64/ia64.c (ia64_override_options): Move setting
4294         scheduling flags to ia64_optimization_options.
4295         (ia64_optimization_options): Disable scheduling options here, and
4296         not in ia64_override_options.
4297         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4298         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4299
4300 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4301
4302         PR target/36936
4303         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4304
4305 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4306
4307         PR tree-optimization/36926
4308         * ipa-prop.c (ipa_analyze_call_uses): Call
4309         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4310
4311 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4312
4313         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4314         movv2si_internal): Add mem = reg alternative.
4315
4316 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4317
4318         PR bootstrap/36918
4319         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4320         DEFAULT_PCC_STRUCT_RETURN to 127.
4321
4322 2008-07-24  Jan Hubicka  <jh@suse.cz>
4323
4324         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4325         (build_cgraph_edges): Likewise.
4326         * cgraph.c (cgraph_node): Do not update assembler hash.
4327         (cgraph_remove_node): Drop non-unit-at-a-time code.
4328         * tree-pass.h (pass_O0_always_inline): Remove.
4329         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4330         * toplev.c (process_options): Flag unit-at-a-time does not imply
4331         no section anchors.
4332         * cgraphunit.c: Update comments.
4333         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4334         (cgraph_assemble_pending_functions): Remove.
4335         (cgraph_reset_node): Drop non-unit-at-a-time code.
4336         (cgraph_finalize_function): Likewise.
4337         (cgraph_analyze_function): Likewise.
4338         (cgraph_finalize_compilation_unit): Likewise.
4339         (cgraph_expand_function): Likewise.
4340         (cgraph_optimize): Likesise.
4341         (save_inline_function_body): Likewise.
4342         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4343         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4344         * ipa-inline.c: Update comments.
4345         (enum inlining_mode): remove INLINE_SPEED.
4346         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4347         (cgraph_mark_inline_edge): Likewise.
4348         (try_inline): Likewise.
4349         (cgraph_decide_inlining_incrementally): Likewise.
4350         (cgraph_gate_inlining): Remove.
4351         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4352         (cgraph_gate_early_inlining): Likewise.
4353         (gate_inline_passes): Remove.
4354         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4355         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4356         pass_O0_always_inline): Remove.
4357         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4358         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4359         * opts.c (no_unit_at_a_time_default): Remove.
4360         (decode_options): Remove flag_unit_at_a_time reset and warning.
4361         * opts.h (no_unit_at_a_time_default): Remove.
4362         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4363         early in GNU dialect.
4364         (merge_decls): Update comment; drop unit-at-a-time check.
4365         (finish_decl): Likewise.
4366         (grok_declaration): Remove flag_inline_trees code.
4367         (finish_functions): Return on function returning non-void on all
4368         statics.
4369         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4370         * cfgexpand.c (expand_one_static_var): Remove.
4371         (expand_one_var): Remove expand_one_static_var call.
4372         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4373         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4374         and flag_unit_at_a-time compatibility checks.
4375         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4376         * tree-inline.c (flag_inline_trees): Remove.
4377         (inlinable_function_p): Don't check it.
4378         (expand_call_inline): Remove non-unit-at-a-time code.
4379         * tree-inline.h (flag_inline_trees): Remove.
4380         * tree-optimize.c (execute_early_local_optimizations): Remove
4381         unit-at-a-time checks.
4382         (tree_rest_of_compilation): Likewise.
4383         * combine.c (setup_incoming_promotions): Likewise.
4384         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4385         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4386         * passes.c (pass_inline_parameters): Update comments; remove
4387         O0_alwaysinline pass.
4388         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4389         (execute_one_pass): Likewise.
4390         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4391         (ix86_function_sseregparm): Likewise.
4392         * arm.c (arm_function_in_section_p): Likewise.
4393         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
4394         * varpool.c: Update comments.
4395         (decide_is_variable_needed): Remove unit-at-a-time checks.
4396         (varpool_finalize_decl): Likewise.
4397
4398 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4399
4400         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
4401         to 2 instead of -1.
4402         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
4403
4404 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
4405
4406         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
4407         imp symbol extension.
4408
4409         2008-07-23  Ian Lance Taylor  <iant@google.com>
4410
4411         * tree-vrp.c (infer_value_range): Ignore asm statements when
4412         looking for memory accesses for -fdelete-null-pointer-checks.
4413
4414 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4415
4416         * config/spu/spu-c.c (__vector_keyword): New variable.
4417         (vector_keyword): Likewise.
4418         (spu_categorize_keyword): New function.
4419         (spu_macro_to_expand): Likewise.
4420         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
4421         compiling an ISO C dialect.
4422
4423 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4424
4425         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
4426         conventional usage.
4427
4428 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4429
4430         * configure: Regenerate.
4431         * configure.ac: Require texinfo 4.7.
4432         * doc/install.texi: Document texinfo 4.7 requirement.
4433
4434 2008-07-23  Martin Jambor  <mjambor@suse.cz>
4435
4436         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
4437         rather than for DECL_SAVED_TREE.
4438         * ipa-prop.c: Include diagnostic.h.
4439         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
4440         thoroughly.
4441         (ipa_detect_param_modifications): Function rewritten from scratch.
4442         (ipa_compute_jump_functions): Changed accesses to modification flags.
4443         (ipa_free_node_params_substructures): Update flags destruction.
4444         (ipa_node_duplication_hook): Update flags duplication.
4445         (ipa_print_all_params_modified): Updated flag access.
4446         * ipa-prop.h (struct ipa_param_flags): New structure.
4447         (struct ipa_node_params): New field modification_analysis_done,
4448         modified_flags changed into param_flags.
4449         (ipa_is_ith_param_modified): Changed to use new flags.
4450         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
4451
4452         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
4453         ipa-cp.c and split into two functions.
4454         (ipa_print_node_jump_functions): New function.
4455         (compute_scalar_jump_functions): New function.
4456         (type_like_member_ptr_p): New function.
4457         (compute_pass_through_member_ptrs): New function.
4458         (fill_member_ptr_cst_jump_function): New function.
4459         (determine_cst_member_ptr): New function.
4460         (compute_cst_member_ptr_arguments): New function.
4461         (ipa_compute_jump_functions): Complete rewrite.
4462         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
4463         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
4464         (struct ipa_member_ptr_cst): New structure.
4465         (union jump_func_value): New field member_cst.
4466         * ipa-cp.c (ipcp_lat_is_insertable): New function.
4467         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
4468         jump function types.
4469         (ipcp_print_all_lattices): Slight fprintf rearrangement.
4470         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
4471         instead of ipcp_print_all_jump_functions.
4472         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
4473         only for replacable scalars.
4474
4475         * doc/invoke.texi (Optimize options): Add description of
4476         -findirect-inlining.
4477         * common.opt (flag_indirect_inlining): New flag.
4478         * opts.c (decode_options): Set flag_indirect_inlining when
4479         optimize >= 3.
4480
4481         * ipa-inline.c: Include ipa-prop.h.
4482         (inline_indirect_intraprocedural_analysis): New function.
4483         (inline_generate_summary): Allocate parameter and argument info
4484         structures, call inline_indirect_intraprocedural_analysis on each
4485         node when doing indirect inlining and deallocate indirect inlining
4486         data structures in the end.
4487         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
4488         (free_all_ipa_structures_after_iinln): New function.
4489         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
4490         done.
4491         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
4492
4493         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
4494         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4495         of computing the frequency separately.
4496         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4497         of computing the frequency separately.
4498         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
4499         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
4500         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
4501         (ipa_get_stmt_member_ptr_load_param): New function.
4502         (ipa_is_ssa_with_stmt_def): New function.
4503         (ipa_note_param_call): New function.
4504         (ipa_analyze_call_uses): New function.
4505         (ipa_analyze_stmt_uses): New function.
4506         (ipa_analyze_params_uses): New function.
4507         (ipa_free_node_params_substructures): Also free the param_calls linked
4508         list.
4509         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
4510         (ipa_print_node_param_flags): New function.
4511         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
4512         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
4513         * ipa-prop.h (struct ipa_param_flags): New field called.
4514         (struct ipa_param_call_note): New structure.
4515         (struct ipa_node_params): New fields param_calls and
4516         uses_analysis_done.
4517         (ipa_is_ith_param_called): New function.
4518         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
4519         ipa_analyze_params_uses and dump parameter flags.
4520
4521         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
4522         ipa_propagate_indirect_call_infos if performing indirect inlining,
4523         pass a new parameter new_edges to it.
4524         (add_new_edges_to_heap): New fucntion.
4525         (cgraph_decide_inlining_of_small_functions): New vector
4526         new_indirect_edges for newly found indirect edges , call
4527         ipa_propagate_indirect_call_infos after inlining.
4528         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
4529         inlining if performing indirect inlining.  Call
4530         free_all_ipa_structures_after_iinln when doing so too.
4531         (inline_generate_summary): Do not call
4532         free_all_ipa_structures_after_iinln here.
4533         * ipa-prop.c (update_jump_functions_after_inlining): New function.
4534         (print_edge_addition_message): New function.
4535         (update_call_notes_after_inlining): New function.
4536         (propagate_info_to_inlined_callees): New function.
4537         (ipa_propagate_indirect_call_infos): New function.
4538         * ipa-prop.h: Include cgraph.h
4539         (struct ipa_param_call_note): Fields reordered, new field processed.
4540         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
4541         flag indirect_call.
4542         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
4543         rediscovered call statements.
4544         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
4545         (dump_cgraph_node): Dump also the indirect_call flag.
4546         (cgraph_clone_edge): Copy also the indirect_call flag.
4547         * tree-inline.c (copy_bb): Do not check for fndecls from call
4548         expressions, check for edge availability when moving clones.
4549         (get_indirect_callee_fndecl): New function.
4550         (expand_call_inline): If callee declaration is not apprent from
4551         the statement, try calling get_indirect_callee_fndecl.  Do not
4552         issue warnings or call sorry when not inlinings an indirect edge.
4553         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
4554
4555         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
4556         bit more frandly to matching.
4557         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
4558         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
4559         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
4560
4561 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4562
4563         PR 36907
4564         * opth-gen.awk: Suppress function specific features when building
4565         target libraries.
4566         * optc-gen.awk: Ditto.
4567
4568 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4569
4570         PR 35058
4571         * diagnostic.c (pedwarn): Add opt parameter.
4572         (pedwarn0): New.
4573         * c-tree.h (pedwarn_init): Add opt parameter.
4574         (pedwarn_c90): Likewise.
4575         (pedwarn_c99): Likewise.
4576         * c-errors.c (pedwarn_c99): Likewise.
4577         (pedwarn_c90): Likewise.
4578         * toplev.h (pedwarn): Update declaration.
4579         (pedwarn0): Declare.
4580         * c-lex.c: All calls to pedwarn changed.
4581         * builtins.c: All calls to pedwarn changed.
4582         * toplev.c: All calls to pedwarn changed.
4583         * c-decl.c: All calls to pedwarn changed.
4584         * c-typeck.c: All calls to pedwarn changed.
4585         * c-common.c: All calls to pedwarn changed.
4586         * c-parser.c: All calls to pedwarn changed.
4587
4588 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4589             Karthik Kumar  <karthikkumar@gmail.com>
4590
4591         * attribs.c (file scope): Include c-common.h.
4592         (decl_attributes): Add support for #pragma GCC optimize and
4593         #pragma GCC option.
4594
4595         * targhooks.c (default_can_inline_p): New function that is the
4596         default for the TARGET_CAN_INLINE_P target hook.
4597
4598         * targhooks.h (default_can_inline_p): Add declaration.
4599
4600         * tree.c (cl_optimization_node): New static tree for building
4601         OPTIMIZATION_NODE tree.
4602         (cl_target_option_node): New static tree for building
4603         TARGET_OPTION_NODE tree.
4604         (cl_option_hash_table): New hash table for hashing
4605         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4606         (cl_option_hash_hash): New function to provide the hash value for
4607         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4608         (cl_option_hash_eq): New function to provide an equality test for
4609         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4610         (tree_code_size): Add support for OPTIMIZATION_NODE and
4611         TARGET_OPTION_NODE trees.
4612         (tree_code_structure): Add support for OPTIMIZATION_NODE and
4613         TARGET_OPTION_NODE trees.
4614         (build_optimization_node): Build a tree that has all of the
4615         current optimization options.
4616         (build_target_option_node): Build a tree that has the target
4617         options that might be changed on a per function basis.
4618
4619         * tree.h (file scope): Include options.h.
4620         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
4621         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4622         (TREE_OPTIMIZATION): Ditto.
4623         (TREE_TARGET_SPECIFIC): Ditto.
4624         (struct tree_function_decl): Add fields for remembering the
4625         current optimization options and target specific options.
4626         (struct tree_optimization_option): New tree variant that remembers
4627         the optimization options.
4628         (struct tree_target_option): New tree variant that remembers the
4629         target specific flags that might change for compiling a particular
4630         function.
4631         (union tree_node): Include tree_optimization_option and
4632         tree_target_option fields.
4633         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
4634         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
4635         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
4636         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
4637         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
4638         optimization and target options.
4639         (optimization_default_node): New macro to refer to global_trees
4640         field.
4641         (optimization_current_node): Ditto.
4642         (optimization_cold_node): Ditto.
4643         (optimization_hot_node): Ditto.
4644         (target_option_default_node): Ditto.
4645         (target_option_current_node): Ditto.
4646         (current_option_pragma): Ditto.
4647         (current_optimize_pragma): Ditto.
4648
4649         * target.h (struct gcc_target): Add valid_option_attribute_p,
4650         target_option_save, target_option_restore, target_option_print,
4651         target_option_pragma_parse, and can_inline_p hooks.
4652
4653         * toplev.h (parse_optimize_options): Add declaration.
4654         (fast_math_flags_struct_set_p): Ditto.
4655
4656         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
4657         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
4658         optimize is used.
4659
4660         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
4661         tree_can_inline_p hook to see if one function can inline another.
4662         (cgraph_decide_inlining): Ditto.
4663         (cgraph_decide_inlining_incrementally): Ditto.
4664
4665         * opts.c (decode_options): Add support for running multiple times
4666         to allow functions with different target or optimization options
4667         than was specified on the command line.
4668         (fast_math_flags_struct_set_p): New function that is similar to
4669         fast_math_flags_set_p, except it uses the values in the
4670         cl_optimization structure instead of global variables.
4671
4672         * optc-gen.awk: Add support for TargetSave to allow a back end to
4673         declare new fields that need to be saved when using function
4674         specific options.  Include flags.h and target.h in the options.c
4675         source.  Add support for Save to indicate which options can be set
4676         for individual functions.  Generate cl_optimize_save,
4677         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
4678         cl_target_option_restore, cl_target_option_print functions to
4679         allow functions to use different optimization or target options.
4680
4681         * opt-functions.awk (var_type_struct): Return the type used for
4682         storing the field in a structure.
4683
4684         * opth-gen.awk: Add support for TargetSave to allow a back end to
4685         declare new fields that need to be saved when using function
4686         specific options.  Add support for Save to indicate which options
4687         can be set for individual functions.  Only generate one extern for
4688         Mask fields.  Generate cl_optimization and cl_target_option
4689         structures to remember optimization and target options.
4690
4691         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
4692         collecting new tree nodes.
4693         (TS_TARGET_OPTION): Ditto.
4694
4695         * c-decl.c (merge_decls): Merge function specific target and
4696         optimization options.
4697
4698         * function.c (invoke_set_current_function_hook): If the function
4699         uses different optimization options, change the global variables
4700         to reflect this.
4701
4702         * coretypes.h (struct cl_optimization): Add forward reference.
4703         (struct cl_target_option): Ditto.
4704
4705         * c-pragma.c (option_stack): New static vector to remember the
4706         current #pragma GCC option stack.
4707         (handle_pragma_option): New function to support #pragma GCC option
4708         to change target options.
4709         (optimize_stack): New static vector to remember the current
4710         #pragma GCC optimize stack.
4711         (handle_pragma_optimize): New function to support #pragma GCC
4712         optimize to change optimization options.
4713         (init_pragma): Add support for #pragma GCC optimize and #pragma
4714         GCC option.
4715
4716         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
4717         optimization options.
4718         (TARGET_OPTION_NODE): New tree code for remembering certain target
4719         options.
4720
4721         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
4722         TARGET_OPTION_NODE trees.
4723
4724         * common.opt (-O): Add Optimization flag.
4725         (-Os): Ditto.
4726         (-fmath-errno): Ditto.
4727         (-falign-functions): Add UInteger flag to make sure flag gets full
4728         int in cl_optimization structure.
4729         (-falign-jumps): Ditto.
4730         (-falign-labels): Ditto.
4731         (-falign-loops): Ditto.
4732         (-fsched-stalled-insns): Ditto.
4733         (-fsched-stalled-insns-dep): Ditto.
4734
4735         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
4736         definition.
4737         (TARGET_OPTION_SAVE): Ditto.
4738         (TARGET_OPTION_RESTORE): Ditto.
4739         (TARGET_OPTION_PRINT): Ditto.
4740         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4741         (TARGET_CAN_INLINE_P): Ditto.
4742         (TARGET_INITIALIZER): Add new hooks.
4743
4744         * tree-inline.c (tree_can_inline_p): New function to determine
4745         whether one function can inline another.  Check if the functions
4746         use compatible optimization options, and also call the backend
4747         can_inline_p hook.
4748
4749         * tree-inline.h (tree_can_inline_p): Add declaration.
4750
4751         * c-common.c (c_common_attribute): Add support for option and
4752         optimize attributes.
4753         (handle_option_attribute): Add support for the option attribute to
4754         allow the user to specify different target options for compiling a
4755         specific function.
4756         (handle_optimize_attribute): Add support for the optimize
4757         attribute to allow the user to specify different optimization
4758         options for compiling a specific function.
4759         (handle_hot_attribute): Turn on -O3 optimization for this one
4760         function if it isn't the default optimization level.
4761         (handle_cold_attribute): Turn on -Os optimization for this one
4762         function if it insn't the default optimization.
4763         (const_char_p): New const char * typedef.
4764         (optimize_args): New static vector to remember the optimization
4765         arguments.
4766         (parse_optimize_options): New function to set up the optimization
4767         arguments from either the optimize attribute or #pragma GCC optimize.
4768
4769         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
4770         (builtin_define_std): Ditto.
4771
4772         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
4773         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
4774         (x86_64-*-*): Ditto.
4775
4776         * Makefile.in (TREE_H): Add options.h.
4777         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
4778
4779         * doc/extend.texi (option attribute): Document new attribute.
4780         (optimize attribute): Ditto.
4781         (hot attribute): Document hot attribute sets -O3.
4782         (cold attribute): Document cold attribute sets -Os.
4783         (#pragma GCC option): Document new pragma.
4784         (#pragma GCC optimize): Ditto.
4785
4786         * doc/options.texi (TargetSave): Document TargetSave syntax.
4787         (UInteger): Document UInteger must be used for certain flags.
4788         (Save): Document Save option to create target specific options
4789         that can be saved/restored on a function specific context.
4790
4791         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
4792         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4793
4794         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
4795         (TARGET_OPTION_SAVE): Ditto.
4796         (TARGET_OPTION_RESTORE): Ditto.
4797         (TARGET_OPTION_PRINT): Ditto.
4798         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4799         (TARGET_CAN_INLINE_P): Ditto.
4800
4801         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
4802         -mfpmath=sse,387.
4803         (-mfpmath=both): Ditto.
4804
4805 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4806             Karthik Kumar  <karthikkumar@gmail.com>
4807
4808         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
4809         (TARGET_POPCNT): Ditto.
4810         (TARGET_SAHF): Ditto.
4811         (TARGET_AES): Ditto.
4812         (TARGET_PCLMUL): Ditto.
4813         (TARGET_CMPXCHG16B): Ditto.
4814         (TARGET_RECIP): Move switch into target_flags.
4815         (TARGET_FUSED_MADD): Ditto.
4816         (ix86_arch_features): Make an unsigned char type.
4817         (ix86_tune_features): Ditto.
4818         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
4819         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
4820         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
4821
4822         * config/i386/i386.opt (arch): New TargetSave field to define
4823         fields that need to be saved for function specific option support.
4824         (tune): Ditto.
4825         (fpmath): Ditto.
4826         (branch_cost): Ditto.
4827         (ix86_isa_flags_explicit): Ditto.
4828         (tune_defaulted): Ditto.
4829         (arch_specified): Ditto.
4830         (-m128-long-double): Add Save flag to save option for target
4831         specific option support.
4832         (-m80387): Ditto.
4833         (-maccumulate-outgoing-args): Ditto.
4834         (-malign-double): Ditto.
4835         (-malign-stringops): Ditto.
4836         (-mfancy-math-387): Ditto.
4837         (-mhard-float): Ditto.
4838         (-mieee-fp): Ditto.
4839         (-minline-all-stringops): Ditto.
4840         (-minline-stringops-dynamically): Ditto.
4841         (-mms-bitfields): Ditto.
4842         (-mno-align-stringops): Ditto.
4843         (-mno-fancy-math-387): Ditto.
4844         (-mno-push-args): Ditto.
4845         (-mno-red-zone): Ditto.
4846         (-mpush-args): Ditto.
4847         (-mred-zone): Ditto.
4848         (-mrtd): Ditto.
4849         (-msseregparm): Ditto.
4850         (-mstack-arg-probe): Ditto.
4851         (-m32): Ditto.
4852         (-m64): Ditto.
4853         (-mmmx): Ditto.
4854         (-m3dnow): Ditto.
4855         (-m3dnowa): Ditto.
4856         (-msse): Ditto.
4857         (-msse2): Ditto.
4858         (-msse3): Ditto.
4859         (-msse4.1): Ditto.
4860         (-msse4.2): Ditto.
4861         (-msse4): Ditto.
4862         (-mno-sse4): Ditto.
4863         (-msse4a): Ditto.
4864         (-msse5): Ditto.
4865         (-mrecip): Move flag into target_flags.
4866         (-mcld): Ditto.
4867         (-mno-fused-madd): Ditto.
4868         (-mfused-madd): Ditto.
4869         (-mabm): Move flag into ix86_isa_flags.
4870         (-mcx16): Ditto.
4871         (-mpopcnt): Ditto.
4872         (-msahf): Ditto.
4873         (-maes): Ditto.
4874         (-mpclmul): Ditto.
4875
4876         * config/i386/i386-c.c: New file for #pragma support.
4877         (ix86_target_macros_internal): New function to #define or #undef
4878         target macros based when the user uses the #pragma GCC option to
4879         change target options.
4880         (ix86_pragma_option_parse): New function to add #pragma GCC option
4881         support.
4882         (ix86_target_macros): Move defining the target macros here from
4883         TARGET_CPU_CPP_BUILTINS in i386.h.
4884         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
4885         defined, initialize any subtarget #pragmas.
4886
4887         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
4888         REGISTER_TARGET_PRAGMAS.
4889
4890         * config/i386/t-i386: New file for x86 dependencies.
4891         (i386.o): Make dependencies mirror the include files used.
4892         (i386-c.o): New file, add dependencies.
4893
4894         * config/i386/i386-protos.h (override_options): Add bool argument.
4895         (ix86_valid_option_attribute_tree): Add declaration.
4896         (ix86_target_macros): Ditto.
4897         (ix86_register_macros): Ditto.
4898
4899         * config/i386/i386.c (ix86_tune_features): Move initialization of
4900         the target masks to initial_ix86_tune_features to allow functions
4901         to have different target options.  Make type unsigned char,
4902         instead of unsigned int.
4903         (initial_ix86_tune_features): New static vector to hold processor
4904         masks for the tune variables.
4905         (ix86_arch_features): Move initialization of the target masks to
4906         initial_ix86_arch_features to allow functions to have different
4907         target options.  Make type unsigned char, instead of unsigned int.
4908         (initial_ix86_arch_features): New static vector to hold processor
4909         masks for the arch variables.
4910         (enum ix86_function_specific_strings): New enum to describe the
4911         string options used for attribute((option(...))).
4912         (ix86_target_string): New function to return a string that
4913         describes the target options.
4914         (ix86_debug_options): New function to print the current options in
4915         the debugger.
4916         (ix86_function_specific_save): New function hook to save the
4917         function specific global variables in the cl_target_option structure.
4918         (ix86_function_specific_restore): New function hook to restore the
4919         function specific variables from the cl_target_option structure to
4920         the global variables.
4921         (ix86_function_specific_print): New function hook to print the
4922         target specific options in the cl_target_option structure.
4923         (ix86_valid_option_attribute_p): New function hook to validate
4924         attribute((option(...))) arguments.
4925         (ix86_valid_option_attribute_tree): New function that is common
4926         code between attribute((option(...))) and #pragma GCC option
4927         support that parses the options and returns a tree holding the options.
4928         (ix86_valid_option_attribute_inner_p): New helper function for
4929         ix86_valid_option_attribute_tree.
4930         (ix86_can_inline_p): New function hook to decide if one function
4931         can inline another on a target specific basis.
4932         (ix86_set_current_function); New function hook to switch target
4933         options if the user used attribute((option(...))) or #pragma GCC
4934         option.
4935         (ix86_tune_defaulted): Move to static file scope from
4936         override_options.
4937         (ix86_arch_specified): Ditto.
4938         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
4939         ix86_isa_flags.
4940         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
4941         (OPTION_MASK_ISA_ABM_SET): Ditto.
4942         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
4943         (OPTION_MASK_ISA_CX16_SET): Ditto.
4944         (OPTION_MASK_ISA_SAHF_SET): Ditto.
4945         (OPTION_MASK_ISA_AES_UNSET): Ditto.
4946         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
4947         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
4948         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
4949         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
4950         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
4951         (struct ptt): Move to static file scope from override_options.
4952         (processor_target_table): Ditto.
4953         (cpu_names): Ditto.
4954         (ix86_handle_option): Add support for options that are now isa options.
4955         (override_options): Add support for declaring functions that
4956         support different target options than were specified on the
4957         command line.  Move struct ptt, processor_target_table, cpu_names,
4958         ix86_tune_defaulted, ix86_arch_specified to static file scope.
4959         Add bool argument.  Fix up error messages so the appropriate error
4960         is given for either command line or attribute.
4961         (ix86_previous_fndecl): New static to remember previous function
4962         declaration to see if we need to change target options.
4963         (ix86_builtins_isa): New array to record the ISA of each builtin
4964         function.
4965         (def_builtin): Always create the builtin function, even if the
4966         current ISA doesn't support it.
4967         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
4968         tests for those builtins.
4969         (ix86_init_builtins): Remove TARGET_MMX test for calling
4970         ix86_init_mmx_sse_builtins.
4971         (ix86_expand_builtin): If the current ISA doesn't support a given
4972         builtin, signal an error.
4973         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
4974         (TARGET_SET_CURRENT_FUNCTION): Ditto.
4975         (TARGET_OPTION_SAVE): Ditto.
4976         (TARGET_OPTION_RESTORE): Ditto.
4977         (TARGET_OPTION_PRINT): Ditto.
4978         (TARGET_CAN_INLINE_P): Ditto.
4979
4980 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
4981
4982         * c-typeck.c (build_external_ref): Don't call assemble_external.
4983         * final.c (output_operand): Call assemble_external.
4984
4985 2008-07-21  DJ Delorie  <dj@redhat.com>
4986
4987         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
4988         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
4989
4990 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4991
4992         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
4993         original insn and splitter contents into ...
4994         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
4995         flag_unsafe_math_optimizations.  Add dummy scratch register.
4996         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
4997         !flag_unsafe_math_optimizations.  Returns number with next
4998         highest magnitude if this is still less or equal to the true
4999         quotient in magnitude.
5000
5001 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
5002
5003         * Makefile.in: Replace toplev.h with TOPLEV_H.
5004         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
5005         * c-lex.c (fe_file_change): Don't set in_system_header.
5006         * c-parser.c (c_token): Remove in_system_header.
5007         (c_lex_one_token): Don't set in_system_header.
5008         (c_parser_set_source_position_from_token): Don't set in_system_header.
5009         * diagnostic.c (diagnostic_report_diagnostic): Use location from
5010         diagnostic_info.
5011         (warning_at): New.
5012         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
5013         * flags.h (in_system_header): Remove.
5014         * function.c (saved_in_system_header): Remove.
5015         (push_cfun): Don't set in_system_header.
5016         (pop_cfun): Don't set in_system_header.
5017         (push_struct_function): Don't set in_system_header.
5018         * input.h (expanded_location): Add sysp.
5019         (in_system_header_at): New.
5020         (in_system_header): New.
5021         * toplev.c (in_system_header): Remove.
5022         * toplev.h: Include input.h
5023         (warning_at): New.
5024         * tree-cfg.c (execute_warn_function_return): Call warning_at.
5025         * tree-ssa.c (warn_uninit): Call warning_at.
5026         (warn_uninitialized_var): Update calls to warn_uninit.
5027         (warn_uninitialized_phi): Update calls to warn_uninit.
5028         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
5029         (expand_location): Initialize xloc.sysp.
5030         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
5031         (tree_decl_with_vis): Remove in_system_header_flag.
5032
5033 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
5034
5035         PR target/36822
5036         * recog.c (asm_operand_ok): Change the order of the extra
5037         memory constraint checks.
5038
5039 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5040
5041         PR tree-opt/36879
5042         * tree-switch-conversion.c (build_one_array): Call
5043         varpool_mark_needed_node and varpool_finalize_decl
5044         instead of assemble_variable.
5045
5046 2008-07-19  Jan Hubicka  <jh@suse.cz>
5047
5048         * cgraph.c (cgraph_add_new_function): Do early local passes.
5049         * tree-nrv.c (gate_pass_return_slot): New gate.
5050         (pass_nrv): Add the gate.
5051         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
5052         functions.
5053         (coalesce_ssa_name): Coalesce SSA names.
5054         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
5055         not optimizing so unused user vars remains visible.
5056         * common.opt (flag_tree_ter): Always enable by default.
5057         * tree-ssa-ter.c: Include flags.h
5058         (is_replaceable_p): Check that locations match; when aliasing is missing
5059         be conservative about loads.
5060         * tree-optimize.c (gate_init_datastructures): Remove.
5061         (pass_init_datastructures): New.
5062         * passes.c: Reorder passes so we always go into SSA.
5063
5064 2008-07-19  Jan Hubicka  <jh@suse.cz>
5065
5066         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
5067         * doc/invoke.texi (--combine): Likewise.
5068         (-finline-functions-called-once): Update levels when enabled.
5069         (-funit-at-a-time): Document new behaviour.
5070         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
5071         -fno-section-anchors when disabled explicitly.
5072         (inline params): They are not ignored now.
5073         (precompiled headers): Remove unit-at-a-time as being incompatible.
5074         * opts.c (decode_options): Handle unit-at-a-time as alias;
5075         imply -fno-section-anchors when toplevel reorder is disabled
5076         explicitly.
5077         * common.opt (ftoplevel-reorder): Set default value to 2.
5078         (funit-at-a-time): Set default value to 1.
5079         * config/rs6000/rs6000.c (optimization_options): Set section anchors
5080         to 2.
5081
5082 2008-07-19  Jan Hubicka  <jh@suse.cz>
5083
5084         * builtins.c (expand_builtin_int_roundingfn,
5085         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
5086         it is not useful.
5087
5088 2008-07-19  Richard Guenther  <rguenther@suse.de>
5089
5090         PR bootstrap/36864
5091         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
5092         * tree-ssa-sccvn.c (get_constant_value_id): New function.
5093         * tree-ssa-pre.c (get_expr_value_id): For newly created
5094         constant value-ids make sure to add the expression to its
5095         expression-set.
5096
5097 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
5098
5099         PR middle-end/36877
5100         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
5101         return value of the builtin is ignored.
5102
5103 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5104
5105         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
5106         bits, a C conformant malloc implementation has to provide.
5107         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
5108
5109 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
5110
5111         PR target/36780
5112         PR target/36827
5113         * reload.c (find_reloads_subreg_address): Only reload address if
5114         reloaded == 0, not for reloaded != 1.
5115
5116         Revert:
5117         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5118         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5119         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5120         m32c_legitimize_reload_address.
5121
5122         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5123         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5124         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5125
5126 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5127
5128         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
5129         argument, saying whether nested array are to be collapsed
5130         into a single array type DIE with multiple subscripts.
5131         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
5132         issues, centralize the nested array types collapsing control and
5133         disable the transformation for Ada.
5134
5135 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
5136
5137         PR target/36786
5138         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
5139         x86_64_shift_adj.
5140         (x86_64_shift_adj_2): New expander.
5141         (x86_64_shift_adj_3): Ditto.
5142         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
5143         to split TImode operands.
5144         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
5145         (ix86_split_lshr): Ditto.
5146
5147 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
5148
5149         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
5150         and __CHAR32_TYPE__.
5151         * c-typeck.c (digest_init): Support char16_t and char32_t.
5152         (set_nonincremental_init_from_string): Idem.
5153
5154 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5155
5156         PR middle-end/36859
5157         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
5158         PREFERRED_STACK_BOUNDARY.
5159         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5160
5161 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5162
5163         PR middle-end/36858
5164         * function.c (locate_and_pad_parm): Cap boundary earlier.
5165
5166 2008-07-17  Julian Brown  <julian@codesourcery.com>
5167
5168         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
5169         no-op for targets which don't use DLLs.
5170
5171 2008-07-17  Martin Jambor  <mjambor@suse.cz>
5172
5173         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
5174         that nodes are relevant by examining the node->analyzed flag.
5175         (ipcp_init_stage): Check which nodes are relevant, assert that the
5176         relevant ones are also required.
5177         (ipcp_propagate_stage): Check on the side arrays are properly
5178         allocated.
5179         (ipcp_print_all_jump_functions): Make sure not to touch any node
5180         that is not analyzed or an edge that does not have a corresponding
5181         entry in the on-the-side vectors.
5182         (ipcp_function_scale_print): Likewise.
5183         (ipcp_update_callgraph): Check that the node is relevant.
5184         (ipcp_insert_stage): Check that the node is relevant.  Check there is
5185         an info for every node and edge.
5186         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5187         (ipa_print_all_tree_maps): Likewise and a new variable info.
5188         (ipa_print_all_params_modified): Likewise.
5189         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5190
5191 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5192
5193         PR target/25343
5194         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5195
5196 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5197
5198         PR rtl-optimization/36753
5199         * fwprop.c (use_killed_between): Don't shortcut
5200         single-definition global registers.
5201
5202 2008-07-16  Jan Hubicka  <jh@suse.cz>
5203
5204         * cgraph.h (varpool_empty_needed_queue): Declare.
5205         * cgraphunit.c (output_in_order): Mark all variables as needed;
5206         empty the queue.
5207         * varpool.c (varpool_assemble_node): Update debug queue.
5208         (varpool_assemble_pending_decls): Don't do it here.
5209         (varpool_empty_needed_queue):  New function.
5210
5211 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5212
5213         * recog.c (peephole2_optimize): Fix formatting.
5214
5215 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5216
5217         * c-pch.c (get_ident): Avoid C++ keywords.
5218         * combine-stack-adj.c (single_set_for_csa): Likewise.
5219         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5220         output_asm_insn): Likewise.
5221         * reload.c (push_secondary_reload, find_reusable_reload,
5222         push_reload, combine_reloads, find_reloads,
5223         debug_reload_to_stream): Likewise.
5224         * reload.h (struct reload): Likewise.
5225         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5226         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5227         emit_output_reload_insns): Likewise.
5228         * targhooks.c (default_secondary_reload): Likewise.
5229         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5230
5231 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5232
5233         * recog.c (validate_change_1, validate_change,
5234         validate_unshare_change, validate_replace_rtx_1, struct
5235         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5236         keywords.
5237         * reload.c (push_secondary_reload, secondary_reload_class,
5238         scratch_reload_class, find_valid_class, find_reusable_reload,
5239         push_reload, find_dummy_reload, find_reloads_address_1,
5240         find_reloads_address_part, find_equiv_reg): Likewise.
5241         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5242         choose_reload_regs): Likewise.
5243         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5244         Likewise.
5245         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5246         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5247         * sched-rgn.c (concat_INSN_LIST): Likewise.
5248         * stor-layout.c (mode_for_size, mode_for_size_tree,
5249         smallest_mode_for_size): Likewise.
5250
5251 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5252
5253         * cfg.c (dump_reg_info): Avoid C++ keywords.
5254         * dwarf2asm.c (dw2_force_const_mem,
5255         dw2_asm_output_encoded_addr_rtx): Likewise.
5256         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5257         * expmed.c (expand_shift): Likewise.
5258         * global.c (find_reg): Likewise.
5259         * graph.c (draw_edge): Likewise.
5260         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5261         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5262         widen_clz, widen_bswap, expand_parity, expand_unop,
5263         emit_cmp_and_jump_insn_1): Likewise.
5264         * postreload.c (reload_cse_simplify_operands): Likewise.
5265         * ra.h (add_neighbor): Likewise.
5266         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5267         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5268         record_reg_classes, copy_cost, record_address_regs,
5269         invalid_mode_change_p): Likewise.
5270         * regrename.c (regrename_optimize, scan_rtx_reg,
5271         dump_def_use_chain, find_oldest_value_reg,
5272         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5273
5274 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5275
5276         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5277         MASK_POWERPC64 for power4 in previous commit.
5278
5279 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5280
5281         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5282         instead of bare conversion to cast const-ness away.
5283
5284 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5285
5286         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5287         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5288         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5289         (TARGET_FUNCTION_VALUE): Define.
5290
5291 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5292
5293         * config/rs6000/rs6000.c (processor_target_table): Add
5294         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5295
5296 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5297
5298         PR target/36827
5299         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5300         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5301         m32c_legitimize_reload_address.
5302
5303 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5304
5305         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5306         DECL_IN_SYSTEM_HEADER in sync.
5307
5308 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5309
5310         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5311         * tree-ssa-pre.c (pre_expr_eq): Ditto
5312         (get_constant_for_value_id): Take a type as an argument.
5313         (fully_constant_expression): Pass in type.
5314         (find_or_generate_expression): Short circuit constant case.
5315         (create_expression_by_pieces): Remove special casing of
5316         pointer_plus.
5317         (do_regular_insertion): Short circuit constant case.
5318         (do_partial_partial_insertion): Ditto.
5319
5320 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5321
5322         PR target/36782
5323         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5324
5325 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5326
5327         * config/xtensa/libgcc-xtensa.ver: New file.
5328         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5329
5330 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5331
5332         * df-problems.c (df_set_note): Avoid C++ keywords.
5333         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5334         * dse.c (record_store, remove_useless_values): Likewise.
5335         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5336         gen_reg_rtx_offset, operand_subword, change_address_1,
5337         change_address, adjust_address_1, offset_address,
5338         widen_memory_access, emit_copy_of_insn_after): Likewise.
5339         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5340         * fwprop.c (should_replace_address, propagate_rtx_1,
5341         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5342         Likewise.
5343         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5344         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5345         * lcm.c (compute_insert_delete, pre_edge_lcm,
5346         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5347         * lower-subreg.c (resolve_reg_notes): Likewise.
5348         * mode-switching.c (optimize_mode_switching): Likewise.
5349
5350 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5351
5352         * bt-load.c (add_btr_def, migrate_btr_def,
5353         branch_target_load_optimize): Avoid C++ keywords.
5354         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5355         Likewise.
5356         * combine.c (subst, simplify_set, make_extraction,
5357         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5358         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5359         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5360
5361 2008-07-15  Richard Guenther  <rguenther@suse.de>
5362
5363         PR middle-end/36369
5364         * c-common.c (strict_aliasing_warning): Do not warn for
5365         TYPE_REF_CAN_ALIAS_ALL pointers.
5366         (c_common_get_alias_set): may_alias types are not special.
5367         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5368         attribute and set can_ref_all accordingly.
5369         (build_reference_type_for_mode): Likewise.
5370         * doc/extend.texi (may_alias): Clarify.
5371
5372 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5373
5374         PR target/36780
5375         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5376         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5377
5378 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5379
5380         PR target/31568
5381         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5382         gcc_assert, instead call output_operand_lossage.
5383
5384 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5385
5386         * builtins.c (std_canonical_va_list): Treat structure based
5387         va_list types.
5388
5389 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5390
5391         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5392
5393 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
5394
5395         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
5396         is set.
5397
5398 2008-07-14  Jan Hubicka  <jh@suse.cz>
5399
5400         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
5401         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
5402         fix predicates and constraints.
5403         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
5404         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
5405
5406 2008-07-14  Doug Kwan  <dougkwan@google.com>
5407
5408         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
5409         additional option file arm/eabi.opt.
5410         * config/arm/eabi.h (File): New configuration file for EABI targets.
5411         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
5412         SUBSUBTARGET_EXTRA_SPECS.
5413         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
5414         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
5415         from STARTFILE_SPEC so that it can be referenced in an override.
5416         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
5417         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
5418         can be referenced in an override.
5419         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
5420         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
5421         so that it can be referenced in an override.
5422         (LINK_SPEC): Use BPABI_LINK_SPEC.
5423         * config/arm/eabi.opt (File): New.
5424
5425 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5426
5427         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
5428         (FIXED_VALUE_H): New variable.
5429         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
5430         input.h, fixed-value.h.
5431         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
5432         (BASIC_BLOCK_H): Use $(BITMAP_H).
5433         (FUNCTION_H): Add varray.h.
5434         (IPA_REFERENCE_H): Use $(BITMAP_H).
5435         (CGRAPH_H): Add $(BASIC_BLOCK_H).
5436         (DF_H): Use $(BITMAP_H).
5437         (GGC_H): Add statistics.h.
5438         (INSN_ADDR_H): New.
5439         (INSN_ATTR_H): Use it.
5440         (SYSTEM_H): Add safe-ctype.h, filenames.h.
5441         (INPUT_H): New.
5442         (SYMTAB_H): Add $(OBSTACK_H).
5443         (CPP_INTERNAL_H): New.
5444         (TREE_DUMP_H): Add tree-pass.h.
5445         (TREE_FLOW_H): Use $(BITMAP_H)
5446         (PRETTY_PRINT_H): Use $(INPUT_H).
5447         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
5448         (GSTAB_H): New.
5449         (BITMAP_H): New.
5450         (many object files): Fix lots of header dependencies throughout.
5451
5452 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5453
5454         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
5455         New macros.
5456         (s-gtyp-input): Use them to write tmp-gi.list.
5457         (echo_to_gi.list): Remove.
5458
5459 2008-07-14  Richard Guenther  <rguenther@suse.de>
5460
5461         * tree-ssa-sccvn.c (pre_info): Remove.
5462         (switch_to_PRE_table): Likewise.
5463         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
5464         (set_hashtable_value_ids): Do not create value-ids for the
5465         optimistic tables.
5466         (run_scc_vn): Remove double test.  Remove bogus special-case
5467         in value-number printing.
5468         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
5469         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
5470         SSA_NAME_VALUE.
5471         * tree-flow-inline.h (get_value_handle): Remove.
5472         * tree-flow.h (get_value_handle): Remove.
5473
5474 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5475
5476         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
5477         in which we generate arithmetics is not a subrange.
5478
5479 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5480
5481         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
5482
5483 2008-07-14  Richard Guenther  <rguenther@suse.de>
5484
5485         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
5486
5487 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5488
5489         PR target/36745
5490         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
5491         reload for symbol refs moved to r0 with -fPIC.
5492         (legitimize_pic_address): Use the target register as temporary
5493         reg if possible.
5494         (emit_symbolic_move): Adjust comment.
5495         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
5496         New expanders.
5497
5498 2008-07-14  Ben Elliston  <bje@au.ibm.com>
5499
5500         * c-common.h (C_CPP_HASHNODE): New macro.
5501         * coretypes.h (struct cpp_token): Forward declare.
5502         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5503         the context-sensitive keyword method.
5504         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
5505         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
5506         expand_bool_pixel): New.
5507         (altivec_categorize_keyword): New function.
5508         (init_vector_keywords): New function.
5509         (rs6000_macro_to_expand): Likewise.
5510         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
5511         compiling an ISO C dialect.
5512
5513 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
5514
5515         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
5516         (create_expression_by_pieces): Fix typo.
5517         (do_regular_insertion): Use debug counter here too.
5518
5519 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
5520
5521         PR target/35492.
5522         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
5523         CONST_OK_FOR_LETTER_P.  All port-local users changed.
5524         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
5525         implement Kp matching power-of-two.
5526         (CONSTRAINT_LEN): Define to match.
5527         * config/cris/cris.md: Replace all use of constraint K with Kc.
5528         ("*btst*): Use Kp for operand 0 of last alternative.
5529
5530 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5531
5532         PR testsuite/36440
5533         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
5534         and quad formats.
5535
5536 2008-07-13  Jan Hubicka  <jh@suse.cz>
5537
5538         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
5539         to be mangled too.
5540
5541 2008-07-13  Richard Guenther  <rguenther@suse.de>
5542
5543         PR middle-end/36811
5544         * langhooks.c (lhd_print_error_function): Deal with recursive
5545         BLOCK trees.
5546
5547 2008-07-12  Jan Hubicka  <jh@suse.cz>
5548
5549         * cgraph.c (assembler_name_hash): New static var.
5550         (hash_node_by_assembler_name, eq_assembler_name): New.
5551         (cgraph_node_for_asm): Use hashtable.
5552         (cgraph_remove_node): Maintain hashtable.
5553         (change_decl_assembler_name): Sanity check that names are not changing
5554         after aliasing was processed.
5555         * cgraph.h (varpoon_node): Add next GGC marker.
5556         * tree.c (decl_assembler_name_equal): Constify.
5557         (decl_assembler_name_hash): New.
5558         * tree.h (decl_assembler_name_equal): Constify.
5559         (decl_assembler_name_hash): Update.
5560
5561 2008-07-12  David Daney  <ddaney@avtrex.com>
5562
5563         * config/mips/driver-native.c (host_detect_local_cpu): Handle
5564         sb1 and r5000 cpus.
5565
5566 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
5567
5568         * doc/md.texi: Document the MIPS "v" constraint.
5569         * config/mips/mips.h (reg_class): Revert last change.
5570         (REG_CLASS_NAMES): Likewise.
5571         (REG_CLASS_CONTENTS): Likewise.
5572         * config/mips/mips.c (mips_regno_to_class): Likewise.
5573         * config/mips/constraints.md (v): Likewise, but add documentation.
5574         Add a comment to say that this constraint should not be used in
5575         gcc code.
5576
5577 2008-07-11  DJ Delorie  <dj@redhat.com>
5578
5579         * config/h8300/h8300.md (length): Fix branch offset limit.
5580
5581 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
5582
5583         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
5584         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
5585         (avr_hard_regno_scratch_ok): New function.
5586         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5587         * config/avr/avr.md (all peepholes that request a scratch register):
5588         Remove avr_peep2_scratch_safe use.
5589
5590 2008-07-11  Tom Tromey  <tromey@redhat.com>
5591             Ian Lance Taylor  <iant@google.com>
5592
5593         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
5594         (struct c_common_resword): Define.
5595         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
5596         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
5597         (c_common_reswords, num_c_common_reswords): Declare.
5598         * c-common.c (c_common_reswords): New global const array.
5599         (num_c_common_reswords): New const int.
5600         * c-parser.c (struct resword, reswords): Don't define.
5601         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
5602         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
5603         than reswords.  If warning about C++ keywords, give them a special
5604         RID code.
5605         (c_lex_one_token): Warn about C++ keywords.  Call
5606         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
5607         (c_parser_external_declaration): Look for RID_xxx rather than
5608         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
5609         (c_parser_statement_after_labels): Likewise.
5610         (c_parser_objc_class_instance_variables): Likewise.
5611         (c_parser_objc_class_declaration): Likewise.
5612         (c_parser_objc_try_catch_statement): Likewise.
5613         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
5614         (declspecs_add_type): Likewise.
5615
5616 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
5617
5618         * ggc-page.c (alloc_page):
5619         Substituting xmalloc, xcalloc with
5620         XNEWVEC and XCNEWVAR macros which add the
5621         needed casts.
5622
5623 2008-07-11  Richard Guenther  <rguenther@suse.de>
5624
5625         PR tree-optimization/36765
5626         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5627         aliases from HEAP vars to SMTs.
5628
5629 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5630
5631         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
5632         * configure.ac (loose_warn): Move -Wc++-compat from here...
5633         (strict_warn): ...to here.
5634         * configure: Regenerate.
5635
5636 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
5637
5638         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
5639         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
5640         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
5641         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
5642         excluding more specific h8300-*-* and sh-*-* targets.
5643
5644 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
5645
5646         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
5647         (eliminate): Ditto.
5648         (execute_pre): Call loop_optimizer_finalize in early exit.
5649
5650 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
5651
5652         PR middle-end/36790
5653         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
5654         uids in the bitmap, not just VAR_DECL uids.
5655
5656         PR rtl-optimization/36419
5657         * combine-stack-adj.c (adjust_frame_related_expr): New function.
5658         (combine_stack_adjustments_for_block): Call it if needed.  Delete
5659         correct insn.
5660         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
5661         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
5662         prologue sp adjustment.
5663
5664 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
5665
5666         PR other/28322
5667         * opts.c (print_ignored_options): Report postponed diagnostics for
5668         unknown -Wno-* options as warnings, not errors.
5669         (postpone_unknown_option_error): Renamed to...
5670         (postpone_unknown_option_warning): ... this.
5671
5672 2008-07-09  Doug Kwan  <dougkwan@google.com>
5673
5674         Revert:
5675         2008-07-08  Doug Kwan  <dougkwan@google.com>
5676
5677         * config/arm/arm.opt (mandroid): New option.
5678         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5679         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5680         (CC1_SPEC): Same.
5681         (CC1PLUS_SPEC): Same.
5682         (LIB_SPEC): Same.
5683         (STARTFILE_SPEC): Same.
5684         (ENDFILE_SPEC): Same.
5685         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5686         used.
5687
5688 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
5689
5690         PR target/35802
5691         * config/mips/mips.h (reg_class): Remove V1_REG.
5692         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5693         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
5694         instead of V1_REGS.
5695         (mips_get_tp): New function.
5696         (mips_legitimize_tls_address): Use it.
5697         * config/mips/constraints.md (v): Delete.
5698         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
5699         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
5700         After reload, split into a move and ...
5701         (*tls_get_tp_<mode>_split): ...this new instruction.
5702
5703 2008-07-09  David Daney  <ddaney@avtrex.com>
5704
5705         * config/mips/driver-native.c: Include coretypes.h and tm.h.
5706
5707 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
5708
5709         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
5710         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
5711         Add c argument.
5712         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
5713         htab_delete should be called.  Don't free c.
5714         (lookup_tmp_var): Create temp_htab lazily.
5715         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
5716         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
5717         callers.
5718         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
5719         lower_omp_ordered, lower_omp_critical, lower_omp_for,
5720         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
5721         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
5722         * tree-sra.c (generate_element_init): Likewise.
5723         * tree-mudflap.c (execute_mudflap_function_ops,
5724         execute_mudflap_function_decls): Likewise.
5725         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
5726         * tree-gimple.h (struct gimplify_ctx): New type.
5727         (push_gimplify_context): Adjust prototype.
5728
5729 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
5730
5731         * tree-ssa-pre.c (phi_translate_1): Update placement of
5732         add_to_value calls.
5733
5734 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
5735
5736         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
5737         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
5738         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
5739         * targhooks.c (default_hard_regno_scratch_ok): New function.
5740         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
5741         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
5742         * recog.c:  Include "target.h".
5743         (peep2_find_free_register): Add check for global regs. Add target
5744         specific check.
5745         * Makefile.in (recog.o): Depend on target.h.
5746
5747 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5748
5749         * config/sh/sh.c (sh_canonical_va_list_type): New.
5750         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
5751
5752 2008-07-09  Raksit Ashok <raksit@google.com>
5753
5754         * doc/invoke.texi (Option Summary): Mention new option
5755         -Wdisallowed-function-list=...
5756         (Warning Options): Document -Wdisallowed-function-list=...
5757         * common.opt (Wdisallowed-function-list=): New flag.
5758         * flags.h (warn_disallowed_functions): External definition of new
5759         boolean warning flag.
5760         (warn_if_disallowed_function_p): Declare new function.
5761         * opts.c (warning_disallowed_functions): New static variable.
5762         (warn_disallowed_functions): New boolean warning flag.
5763         (warn_if_disallowed_function_p): New function.
5764         (add_comma_separated_to_vector): Rename
5765         add_instrument_functions_exclude_list to this.
5766         (common_handle_option): Handle new option. Rename calls to
5767         add_instrument_functions_exclude_list into calls to
5768         add_comma_separated_to_vector.
5769         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
5770         based on flag warn_disallowed_functions.
5771
5772 2008-07-09  Christian Bruel  <christian.bruel@st.com>
5773
5774         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
5775          instead of get_attr_length.
5776
5777 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5778
5779         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
5780         keywords.
5781         * genemit.c (gen_insn): Likewise.
5782         * gengtype.c (note_def_vec): Likewise.
5783         * gengtype.h (note_def_vec): Likewise.
5784         * genoutput.c (struct data, output_insn_data, process_template,
5785         gen_expand, gen_split, note_constraint): Likewise.
5786         * genrecog.c (new_decision, add_to_sequence, factor_tests,
5787         make_insn_sequence): Likewise.
5788         * gensupport.c (record_insn_name): Likewise.
5789
5790 2008-07-08  Doug Kwan  <dougkwan@google.com>
5791
5792         * config/arm/arm.opt (mandroid): New option.
5793         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5794         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5795         (CC1_SPEC): Same.
5796         (CC1PLUS_SPEC): Same.
5797         (LIB_SPEC): Same.
5798         (STARTFILE_SPEC): Same.
5799         (ENDFILE_SPEC): Same.
5800         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5801         used.
5802
5803 2008-07-08  Raksit Ashok  <raksit@google.com>
5804
5805         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
5806         (set_storage_via_setmem): Fix expected_align parameter.
5807         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
5808         missing from the list.
5809         * doc/md.texi (movmem): Explicitly state that expected alignment is
5810         to be expressed in bytes.
5811         (setmem): Explicitly state that expected alignment is to be expressed
5812         in bytes.
5813
5814 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
5815
5816         * reload.c (find_reloads_subreg_address): Do not require validity
5817         of address in original mode before reloading address.
5818
5819 2008-07-07  Tianwei Sheng  <tianweis@google.com>
5820
5821         * df-core.c (df_remove_problem): Adjust the access to avoid out of
5822         bounds array access.
5823
5824 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
5825
5826         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
5827
5828 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
5829
5830         Fix PR tree-optimization/23455
5831         Fix PR tree-optimization/35286
5832         Fix PR tree-optimization/35287
5833         * Makefile.in (OBJS-common): Remove tree-vn.o.
5834         (tree-vn.o): Remove.
5835         * dbgcnt.def: Add treepre_insert debug counter.
5836         * gcc/tree-flow.h (add_to_value): Updated for other changes.
5837         (debug_value_expressions): Ditto.
5838         (print_value_expressions): Ditto.
5839         * tree-pretty-print.c (dump_generic_node): Updated for
5840         VALUE_HANDLE removal.
5841         * tree-ssa-dom.c (record_equality): Ditto.
5842         (cprop_operand): Ditto.
5843         (lookup_avail_expr): Ditto.
5844         * tree-ssa-threadedge.c
5845         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
5846         (simplify_control_stmt_condition): Ditto.
5847         * tree.c (tree_code_size): Ditto.
5848         (tree_node_structure): Ditto.
5849         (iterative_hash_expr): Ditto.
5850         * tree.def: Ditto.
5851         * tree.h (VALUE_HANDLE_ID): Ditto.
5852         (VALUE_HANDLE_EXPR_SET): Ditto.
5853         (struct tree_value_handle): Ditto.
5854         (union tree_node): Ditto.
5855         * treestruct.def: Ditto.
5856         * tree-vn.c: Removed.
5857         * tree-ssa-pre.c: Rewritten entirely.
5858         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
5859         (constant_value_ids): Ditto.
5860         (vn_nary_op_t): Moved to header.
5861         (vn_phi_t): Ditto.
5862         (vn_reference_op_t): Ditto
5863         (vn_reference_t): Ditto.
5864         (next_value_id): New variable.
5865         (VN_INFO): Add an assert.
5866         (vn_constant_eq): New function.
5867         (vn_constant_hash): Ditto.
5868         (get_or_alloc_constant_value_id): Ditto.
5869         (value_id_constant_p): Ditto.
5870         (vn_reference_compute_hash): De-staticify.
5871         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
5872         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
5873         (valueize_refs): Update opcode if it changes from ssa name to constant.
5874         (vn_reference_lookup_1): Add new argument.
5875         (vn_reference_lookup):  Ditto.
5876         (vn_reference_lookup_pieces): New function.
5877         (vn_reference_insert): Add return type. Modify to deal with value ids.
5878         (vn_reference_insert_pieces):  New function.
5879         (vn_nary_op_compute_hash): De-staticify.
5880         (vn_nary_op_eq): Ditto.
5881         (vn_nary_op_lookup_pieces): New function.
5882         (vn_nary_op_lookup): Add new argument.
5883         (vn_nary_op_insert_pieces): New function.
5884         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
5885         (vn_phi_insert): Ditto.
5886         (visit_unary_op): Update for callee changes.
5887         (visit_binary_op): Ditto.
5888         (visit_reference_op_load): Ditto.
5889         (visit_reference_op_store): Ditto.
5890         (init_scc_vn): Init next_value_id, constant_to_value_id and
5891         constant_value_ids.
5892         (free_scc_vn): Free them.
5893         (set_hashtable_value_ids): New function.
5894         (run_scc_vn): Use it.
5895         (get_max_value_id): New function.
5896         (get_next_value_id): Ditto.
5897         (expressions_equal_p): Moved from tree-vn.c
5898         (sort_vuses): Ditto.
5899         (sort_vuses_heap): Ditto.
5900         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
5901         above).
5902         * tree.c (iterative_hash_hashval_t): Made non-static
5903         * tree.h (iterative_hash_hashval_t): Declare it.
5904
5905 2008-07-08  Martin Jambor  <mjambor@suse.cz>
5906
5907         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
5908         instead of ipa_create_node_params.
5909         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
5910         ipa_check_create_edge_args, free them with
5911         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
5912
5913         * ipa-prop.c: Include flags.h and tree-inline.h.
5914         (ipa_node_params_vector): New variable.
5915         (ipa_edge_args_vector): New variable.
5916         (edge_removal_hook_holder): New variable.
5917         (node_removal_hook_holder): New variable.
5918         (edge_duplication_hook_holder): New variable.
5919         (node_duplication_hook_holder): New variable.
5920         (ipa_detect_param_modifications): Check for presence of modified flags.
5921         (ipa_compute_jump_functions): Check for presence of jump functions.
5922         (ipa_free_edge_args_substructures): New function.
5923         (ipa_create_node_params): Removed.
5924         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
5925         (ipa_free_node_params_substructures): New function.
5926         (ipa_free_all_node_params): Changed to deallocate the on-the-side
5927         vector.
5928         (ipa_edge_removal_hook): New function.
5929         (ipa_node_removal_hook): New function.
5930         (duplicate_array): New function.
5931         (ipa_edge_duplication_hook): New function.
5932         (ipa_node_duplication_hook): New function.
5933         (ipa_register_cgraph_hooks): New function.
5934         (ipa_unregister_cgraph_hooks): New function.
5935         (free_all_ipa_structures_after_ipa_cp): New function.
5936
5937         * ipa-prop.h: Include vec.h.
5938         (ipa_node_params_t): New typedef with vector types for it.
5939         (ipa_edge_args_t):  New typedef with vector types for it.
5940         (IPA_NODE_REF): Changed to access an on-the-side vector.
5941         (IPA_EDGE_REF): Changed to access an on-the-side vector.
5942         (ipa_check_create_node_params): New function.
5943         (ipa_check_create_edge_args): New function.
5944
5945         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
5946         all users.
5947
5948 2008-07-07  Tom Tromey  <tromey@redhat.com>
5949
5950         * configure, config.in: Rebuilt.
5951         * configure.ac: Don't check for scandir or alphasort.
5952
5953 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5954
5955         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
5956         types immediately after creating them.
5957
5958 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5959
5960         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
5961
5962 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
5963
5964         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
5965         dump_constraint_graph.
5966         (dump_constraint_edge): New function.
5967         (dump_constraint_graph): New function.
5968         (debug_constraint_graph): New function.
5969         (dump_constraint): Removed useless comparison.
5970         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
5971         (dump_constraint_graph): Declare.
5972         (debug_constraint_graph): Declare.
5973         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
5974
5975 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
5976
5977         * config/i386/i386.c (is_va_list_char_pointer): New.
5978         (ix86_va_start): Replace compare with ms_va_list_type_node
5979         by is_va_list_char_pointer.
5980         (ix86_gimplify_va_arg): Likewise.
5981
5982 2008-07-07  Martin Jambor  <mjambor@suse.cz>
5983
5984         * cgraph.c (cgraph_edge_max_uid): New variable.
5985         (struct cgraph_edge_hook_list): New type.
5986         (struct cgraph_node_hook_list): New type.
5987         (struct cgraph_2edge_hook_list): New type.
5988         (struct cgraph_2node_hook_list): New type.
5989         (first_cgraph_edge_removal_hook): New variable.
5990         (first_cgraph_node_removal_hook): New variable.
5991         (first_cgraph_edge_duplicated_hook): New variable.
5992         (first_cgraph_node_duplicated_hook): New variable.
5993         (cgraph_add_edge_removal_hook): New function.
5994         (cgraph_remove_edge_removal_hook): New function.
5995         (cgraph_call_edge_removal_hooks):  New function.
5996         (cgraph_add_node_removal_hook):  New function.
5997         (cgraph_remove_node_removal_hook):  New function.
5998         (cgraph_call_node_removal_hooks):  New function.
5999         (cgraph_add_edge_duplication_hook):  New function.
6000         (cgraph_remove_edge_duplication_hook):  New function.
6001         (cgraph_call_edge_duplication_hooks):  New function.
6002         (cgraph_add_node_duplication_hook):  New function.
6003         (cgraph_remove_node_duplication_hook):  New function.
6004         (cgraph_call_node_duplication_hooks):  New function.
6005         (cgraph_create_edge): Assign to edge uid.
6006         (cgraph_remove_edge): Call edge removal hooks.
6007         (cgraph_node_remove_callees): Call edge removal hooks.
6008         (cgraph_node_remove_callers): Call edge removal hooks.
6009         (cgraph_remove_node): Call node removal hooks.
6010         (cgraph_clone_edge): Call edge duplication hooks.
6011         (cgraph_clone_node): Call node duplication hooks.
6012
6013         * cgraph.h (cgraph_edge): New field uid.
6014         (cgraph_edge_hook): New type.
6015         (cgraph_node_hook): New type.
6016         (cgraph_2edge_hook): New type.
6017         (cgraph_2node_hook): New type.
6018
6019 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
6020
6021         * config.in: Regenerate.
6022
6023 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
6024
6025         * gcc.c (print_sysroot): New.
6026         (option_map, display_help, process_command): Handle the
6027         -print-sysroot option.
6028         (main): Print the sysroot if requested.
6029         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
6030
6031 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6032
6033         PR target/34780
6034         * unwind-pe.h (size_of_encoded_value): add attribute unused.
6035
6036 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
6037
6038         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
6039         (assign_parm_setup_block_p): Also check mode of entry_parm.
6040
6041 2008-07-07  Richard Guenther  <rguenther@suse.de>
6042
6043         * tree-ssa-structalias.h (set_used_smts): Remove.
6044         * tree-ssa-structalias.c (used_smts): Likewise.
6045         (set_used_smts): Likewise.
6046         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
6047         call to set_used_smts.
6048
6049 2008-07-07  Richard Guenther  <rguenther@suse.de>
6050
6051         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
6052         (new_var_info): Set it to false.
6053         (solution_set_add): Correctly handle pointers outside a var and
6054         inside a field.
6055         (type_safe): Treat variables with is_full_var properly.
6056         (do_sd_constraint): Likewise.
6057         (do_ds_constraint): Likewise.
6058         (process_constraint): Remove zeroing offset for !use_field_sensitive.
6059         (get_constraint_for_ptr_offset): New function.
6060         (get_constraint_for_component_ref): For addresses at least include
6061         the last field of the variable.  Handle is_full_vars properly.
6062         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
6063         (handle_ptr_arith): Remove.
6064         (find_func_aliases): Simplify assignment handling.
6065         (create_function_info_for): For parameter and result varinfos set
6066         is_full_var flag.
6067         (create_variable_info_for): Set is_full_var flag whenever we
6068         just created a single varinfo for a decl.
6069         (init_alias_vars): Initialize use_field_sensitive from
6070         max-fields-for-field-sensitive parameter.
6071
6072 2008-07-07  Richard Guenther  <rguenther@suse.de>
6073
6074         PR tree-optimization/36713
6075         * tree-flow-inline.h (is_call_used): New function.
6076         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
6077         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6078         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
6079
6080 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6081
6082         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
6083
6084 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
6085
6086         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
6087
6088 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6089             Nathan Sidwell  <nathan@codesourcery.com>
6090
6091         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
6092         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
6093         tmake_file.
6094         * config/m68k/t-linux: New.
6095         * doc/install.texi: Document m68k-*-linux is now multilibbed by
6096         default.
6097
6098 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6099
6100         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
6101         * config/m68k/m68k-devices.def: Remove multilibs that only differ
6102         by MAC/EMAC.
6103
6104 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6105
6106         * gcc.c (execute): Fix -Wc++-compat warning.
6107
6108 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
6109
6110         PR target/36720
6111         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
6112         constant for little endian.
6113
6114 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
6115
6116         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
6117         mips_base_mips16 instead of TARGET_MIPS16.
6118         (mips_base_mips16): Declare.
6119         * config/mips/mips.c (mips_base_mips16): Make global.
6120         (was_mips16_p): Remove GTY marker.
6121         (was_mips16_pch_p): New variable.
6122         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
6123         (mips_override_options): Force to non-MIPS16 mode initially.
6124         Do not complain about MIPS16 PIC incompatibilities here.
6125         Only allow -mgpopt if -mexplicit-relocs is in force for
6126         non-MIPS16 code.
6127
6128 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
6129
6130         * configure.ac: Check for caddr_t, define to char * if not defined.
6131         * configure: Regenerate.
6132         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
6133         (mmap_gt_pch_use_address): Likewise.
6134         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
6135
6136 2008-07-06  Richard Guenther  <rguenther@suse.de>
6137
6138         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
6139         (new_var_info): Deal with it.
6140         (solution_set_add): Likewise.
6141         (bitpos_of_field): Make signed, fix.
6142         (struct fieldoff): Remove type and decl fields.  Make size field
6143         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
6144         flags.
6145         (fieldoff_compare): Deal with it.
6146         (push_fields_onto_fieldstack): Remove has_union argument, glob
6147         adjacent non-pointer fields together.
6148         (create_function_info_for): Do not set has_union.
6149         (create_variable_info_for): Simplify.
6150
6151 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
6152
6153         * config.gcc (extra_headers): Add cross-stdarg.h for target
6154         x86_64-*-* and i?86-*-*.
6155         * config/i386/cross-stdarg.h: New.
6156         * builtins.c (std_fn_abi_va_list): New.
6157         (std_canonical_va_list_type): New.
6158         (stabilize_va_list): Replace va_list_type_node use by
6159         mtarget.canonical_va_list_type.
6160         (gimplify_va_arg_expr): Likewise.
6161         (expand_builtin_va_copy): Replace va_list_type_node use by
6162         mtarget.fn_abi_va_list.
6163         * tree-sra.c (is_va_list_type): New helper.
6164         (decl_can_be_decomposed_p): Replace
6165         va_list_type_node use by is_va_list_type.
6166         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
6167         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
6168         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
6169         * config/i386/i386-protos.h (ix86_get_valist_type): New.
6170         (ix86_enum_va_list): New.
6171         * config/i386/i386.c (sysv_va_list_type_node): New.
6172         (ms_va_list_type_node): New.
6173         (ix86_function_type_abi): Remove sorry.
6174         (ix86_build_builtin_va_list_abi): New.
6175         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
6176         for 64-bit targets.
6177         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
6178         (ix86_init_builtins_va_builtins_abi): New.
6179         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
6180         for 64-bit targets.
6181         (ix86_handle_abi_attribute): New.
6182         (attribute_spec): Add sysv_abi and ms_abi.
6183         (ix86_fn_abi_va_list): New.
6184         (ix86_canonical_va_list_type): New.
6185         (ix86_enum_va_list): New.
6186         (TARGET_FN_ABI_VA_LIST): New.
6187         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6188         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6189         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6190         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6191         (TARGET_ENUM_VA_LIST): New.
6192         * expr.h (std_fn_abi_va_list): New.
6193         (std_canonical_va_list_type): New.
6194         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6195         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6196         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6197         TARGET_CANONICAL_VA_LIST_TYPE.
6198         * target.h (struct gcc_target): Add fn_abi_va_list hook
6199         and canonical_va_list_type hook.
6200
6201 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6202
6203         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6204         integral and pointer types.
6205
6206 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6207
6208         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6209         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6210
6211 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6212
6213         PR target/36684
6214         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6215
6216 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6217
6218         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6219         build_gimple_modify_stmt.
6220         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6221         gimple operand.  Use fold_build* instead of build*.
6222
6223 2008-07-04  Richard Guenther  <rguenther@suse.de>
6224
6225         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6226         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6227         properly to compute the reachability set if we do field-sensitive PTA.
6228         * invoke.texi (max-fields-for-field-sensitive): Document default.
6229         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6230         100 for optimize >= 2.
6231
6232 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6233
6234         * ggc-zone.c (lookup_page_table_if_allocated,
6235         set_page_table_entry, zone_find_object_size, alloc_small_page,
6236         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6237         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6238         -Wc++-compat and/or -Wcast-qual warnings.
6239
6240 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6241
6242         PR target/36634
6243         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6244         pic_offset_table_rtx to be marked as used here.
6245         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6246         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6247         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6248         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6249         !TARGET_SECURE_PLT.
6250
6251 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6252
6253         * alloc-pool.c (hash_descriptor, eq_descriptor,
6254         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6255         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6256         Likewise.
6257         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6258         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6259         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6260         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6261         Likewise.
6262
6263 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6264
6265         * tree-flow.h (loop_only_exit_p): Declare.
6266         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6267         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6268         the number of iterations if it is constant.  Otherwise, if this is the
6269         only possible exit of the loop, use the conservative estimate on the
6270         number of iterations of the entire loop if available.
6271
6272 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6273
6274         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6275         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6276         Add synchronization functions.
6277         * config/sync.c: New file.
6278         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6279         (LIBGCC_SYNC_CFLAGS): Likewise.
6280
6281 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6282
6283         PR target/36710
6284         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6285         (*pushtf_sse): New insn pattern.
6286         (pushtf splitters): New splitters.
6287
6288 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6289
6290         PR middle-end/35736
6291         * predict.c (build_predict_expr): Use void_type_node for the tree
6292         type, instead of NULL_TREE.
6293
6294 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6295
6296         * config/i386/i386.c (contains_aligned_value_p): Return true
6297         for TCmode.
6298         (ix86_data_alignment): Align TCmode to 128bits.
6299         (ix86_local_alignment): Likewise.
6300
6301 2008-07-03  Andrew Haley  <aph@redhat.com>
6302
6303         PR bootstrap/33304
6304         * vec.h (VEC_TA): New.
6305         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6306         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6307         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6308         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6309         (C_COMMON_FIXED_TYPES): Remove first arg.
6310         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6311         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6312         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6313         not to use empty macro arguments.
6314
6315 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6316
6317         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6318         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6319         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6320         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6321         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6322         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6323         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6324         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6325         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6326         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6327         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6328         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6329         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6330         config/rs6000/e500crtres64gpr.asm,
6331         config/rs6000/e500crtres64gprctr.asm,
6332         config/rs6000/e500crtrest32gpr.asm,
6333         config/rs6000/e500crtrest64gpr.asm,
6334         config/rs6000/e500crtresx32gpr.asm,
6335         config/rs6000/e500crtresx64gpr.asm,
6336         config/rs6000/e500crtsav32gpr.asm,
6337         config/rs6000/e500crtsav64gpr.asm,
6338         config/rs6000/e500crtsav64gprctr.asm,
6339         config/rs6000/e500crtsavg32gpr.asm,
6340         config/rs6000/e500crtsavg64gpr.asm,
6341         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6342         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6343         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6344         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6345         config/sparc/sol2-cn.asm: Remove .file directives.
6346
6347 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6348
6349         * resource.c (mark_referenced_resources): Look inside
6350         UNSPEC_VOLATILEs and ASM_INPUTs.
6351
6352 2008-07-02  Ian Lance Taylor  <iant@google.com>
6353
6354         * rtlanal.c (add_reg_note): New function.
6355         * rtl.h (add_reg_note): Declare.
6356         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6357         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6358         * builtins.c (expand_builtin_longjmp): Likewise.
6359         (expand_builtin_nonlocal_goto): Likewise.
6360         * calls.c (emit_call_1, expand_call): Likewise.
6361         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6362         * cfglayout.c (fixup_reorder_chain): Likewise.
6363         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6364         (commit_one_edge_insertion): Likewise.
6365         * combine.c (move_deaths, distribute_notes): Likewise.
6366         * df-problems.c (df_set_note): Likewise.
6367         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6368         (set_unique_reg_note): Likewise.
6369         (emit_copy_of_insn_after): Likewise.
6370         * expr.c (expand_expr_real): Likewise.
6371         * gcse.c (add_label_notes): Likewise.
6372         * haifa-sched.c (create_check_block_twin): Likewise.
6373         * jump.c (mark_jump_label_1): Likewise.
6374         * loop-doloop.c (add_test, doloop_modify): Likewise.
6375         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6376         * lower-subreg.c (move_eh_region_note): Likewise.
6377         * optabs.c (emit_libcall_block): Likewise.
6378         * predict.c (predict_insn): Likewise.
6379         (combine_predictions_for_insn): Likewise.
6380         * recog.c (peephole2_optimize): Likewise.
6381         * regmove.c (try_auto_increment): Likewise.
6382         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6383         * reload.c (find_reloads): Likewise.
6384         * reload1.c (fixup_eh_region_note): Likewise.
6385         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6386         * reorg.c (delete_prior_computation): Likewise.
6387         (delete_computation, dbr_schedule): Likewise.
6388         * config/pa/pa.c (legitimize_pic_address): Likewise.
6389         * config/sh/sh.c (sh_reorg): Likewise.
6390
6391 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6392
6393         PR target/36669
6394         * config/libgcc-glibc.ver: Add %exclude.
6395         * config/m32r/libgcc-glibc.ver: Likwise.
6396         * config/s390/libgcc-glibc.ver: Likwise.
6397         * config/sh/libgcc-glibc.ver: Likwise.
6398         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
6399
6400         * config/i386/libgcc-glibc.ver: New.
6401
6402         * config/i386/libgcc-x86_64-glibc.ver: Removed.
6403
6404 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6405
6406         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
6407         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
6408         i[34567]86-*-linux*, x86_64-*-linux*.  Add
6409         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
6410         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
6411         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
6412         i[34567]86-*-linux*, x86_64-*-linux*.
6413
6414         * libgcc-std.ver: Add empty GCC_4.4.0.
6415
6416         * mkmap-symver.awk: Support multiple versions per symbol.
6417
6418         * config/i386/i386.c (ix86_init_builtins): Always define
6419         __builtin_fabsq and __builtin_copysignq with fallbacks.
6420         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
6421         and __builtin_copysignq if SSE2 isn't available.
6422
6423         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
6424         (LIBGCC2_TF_CEXT): Likwise.
6425         (TF_SIZE): Likwise.
6426
6427         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
6428
6429         * config/i386/sfp-machine.h: Moved to libgcc.
6430
6431         * config/i386/sfp-machine.h: New.
6432         * config/i386/t-linux: Likwise.
6433
6434         * config/i386/t-darwin: Remove softfp_wrap_start and
6435         softfp_wrap_end.
6436         * config/i386/t-darwin64: Likewise.
6437
6438         * config/i386/t-fprules-softfp64: Renamed to ...
6439         * config/i386/t-fprules-softfp: This.
6440
6441         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
6442         and softfp_wrap_end.
6443
6444 2008-07-02  Jason Merrill  <jason@redhat.com>
6445
6446         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
6447
6448         * tree.c (ctor_to_list): New fn.
6449         * tree.h: Declare it.
6450         (CONSTRUCTOR_ELT): New macro.
6451         (CONSTRUCTOR_NELTS): New macro.
6452
6453 2008-07-02  Richard Guenther  <rguenther@suse.de>
6454
6455         * tree-ssa-structalias.c (struct variable_info): Reorder
6456         to fill padding on 64bit hosts.  Make collapsed_to an int.
6457         (get_varinfo_fc): Deal with that.
6458         (new_var_info): Likewise.
6459         (collapse_rest_of_var): Likewise.
6460
6461 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
6462
6463         * doc/install.texi (--enable-java-home): Document.
6464         (--enable-aot-compile-rpm): Likewise.
6465         (--with-arch-directory): Likewise.
6466         (--with-os-directory): Likewise.
6467         (--with-origin-name): Likewise.
6468         (--with-arch-suffix): Likewise.
6469         (--with-jvm-root-dir): Likewise.
6470         (--with-jvm-jar-dir): Likewise.
6471         (--with-python-dir): Likewise.
6472
6473 2008-07-02  Richard Guenther  <rguenther@suse.de>
6474
6475         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
6476         from decls explicitly.  Merge operand checking from tuples.
6477
6478 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6479
6480         * tree-switch-conversion.c: Included timevar.h which I forgot before.
6481
6482 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6483
6484         * tree-switch-conversion.c: Included timevar.h
6485         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
6486
6487         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
6488
6489 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6490
6491         * tree-switch-conversion.c: Corrected various comments and
6492         whitespace issues
6493         (build_constructors): Fixed minor formatting mistakes.
6494
6495         * invoke.texi (Optimize Options): Corrected the
6496         switch-conversion-max-branch-ratio parameter.
6497
6498 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
6499
6500         * final.c (asm_insn_count): Return zero for an empty asm body.
6501
6502 2008-07-02  Richard Guenther  <rguenther@suse.de>
6503
6504         * bitmap.h (bitmap_set_bit): Return bool.
6505         (bitmap_clear_bit): Likewise.
6506         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
6507         write to the bitmap if it would.
6508         (bitmap_clear_bit): Likewise.
6509         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
6510         bitmap_set_bit return value.
6511         (add_pred_graph_edge): Likewise.
6512         (add_graph_edge): Likewise.
6513         (do_sd_constraint): Likewise.
6514         (do_ds_constraint): Likewise.
6515
6516 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6517
6518         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
6519         Fix -Wc++-compat and/or -Wcast-qual warnings.
6520         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
6521         gen_regparm_prefix): Likewise.
6522         * vmsdbgout.c (write_modbeg, lookup_filename,
6523         vmsdbgout_source_line, vmsdbgout_init): Likewise.
6524
6525 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
6526
6527         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
6528         defaults.h definition apply.
6529
6530 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6531
6532         * function.c (assign_parm_remove_parallels): New.
6533         (assign_parm_setup_block_p): Do not return true for non-BLKmode
6534         PARALLELs.
6535         (assign_parm_setup_block): Do not handle them.
6536         (assign_parm_setup_reg, assign_parm_setup_stack): Call
6537         assign_parm_remove_parallels.
6538
6539 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6540
6541         * c-typeck.c (convert_for_assignment): Use
6542         vector_targets_convertible_p.
6543         * c-common.c (vector_targets_convertible_p): New.
6544         * c-common.h (vector_targets_convertible_p): New prototype.
6545         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
6546         opaque_p_V2SI_type_node.
6547
6548 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
6549
6550         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
6551         RFmode constants.
6552
6553 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
6554
6555         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
6556         TFmode constants via two element DImode vector for hosts with
6557         HOST_BITS_PER_WIDE_INT < 64.
6558         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
6559         also for HOST_BITS_PER_WIDE_INT < 64.
6560
6561 2008-07-01  Richard Guenther  <rguenther@suse.de>
6562
6563         PR tree-optimization/36666
6564         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
6565         (get_constraint_exp_from_ssa_var): Split into ...
6566         (get_constraint_exp_for_temp): ... this ...
6567         (get_constraint_for_ssa_var): ... and that.
6568         Return constraint expressions for all touched sub-fields
6569         if the results address is not taken.
6570         (process_constraint): Remove assertion that aggregate
6571         assignments do not happen at this place.
6572         (get_constraint_for_component_ref): Add address_p argument.
6573         Return constraint expressions for all touched sub-fields
6574         if the results address is not taken.
6575         (do_deref): Use get_constraint_exp_for_temp.
6576         (get_constraint_for_1): Rename from ...
6577         (get_constraint_for): ... this.  Add the old function as wrapper.
6578         (do_structure_copy): Use get_constraint_for_1.
6579
6580 2008-07-01  Martin Jambor  <mjambor@suse.cz>
6581
6582         * Makefile.in (tree-switch-conversion.o): Add.
6583         (OBJS-common): Add tree-swtch-conversion.o.
6584         * passes.c (init_optimization_passes): Add pass_convert_switch.
6585         * tree-pass.h: (pass_convert_switch): Add.
6586         * tree-switch-conversion.c: New file.
6587         * gcc.dg/tree-ssa/cswtch.c: New testcase.
6588         * common.opt (ftree-cswtch): New option.
6589         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6590         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6591         * opts.c (decode_options): Set flag_tree_switch_conversion when
6592         optimization level is >= 2.
6593         * doc/invoke.texi (Optimize Options): Added description of
6594         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
6595
6596 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6597
6598         * config/darwin-driver.c (darwin_default_min_version): Fix
6599         -Wc++-compat warnings.
6600
6601 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
6602
6603         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
6604         of operand 0.
6605
6606 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6607
6608         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
6609
6610 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6611
6612         PR rtl-optimization/34744
6613         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
6614         (df_scan_free_internal): Free data structures not
6615         allocated in storage pools.
6616         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
6617         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
6618         df_scan_free_mws_vec.
6619         * dse.c (dse_step6): Free offset_map_p and offset_map_n
6620         unconditionally.
6621
6622 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
6623
6624         * config/i386/i386.c (contains_aligned_value_p): Return true
6625         for __float128.
6626         (ix86_function_arg_boundary): Return its natural boundary
6627         for __float128.
6628         (return_in_memory_32): Don't check TDmode.
6629         (ix86_split_to_parts): Support splitting into 4 parts and
6630         support TFmode for 32bit target.
6631         (ix86_split_long_move): Support splitting into 4 parts.
6632         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
6633         for SSE2.
6634         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
6635         (ix86_init_builtins): Here.
6636         (ix86_scalar_mode_supported_p): Always return true for TFmode.
6637         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
6638         'q' and 'w', respectively.
6639
6640         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
6641         TARGET_64BIT.
6642         (movtf_internal): Likewise.
6643         (<code>tf2): Likewise.
6644         (*absnegtf2_sse): Likewise.
6645         (copysign<mode>3): Likewise.
6646         (copysign<mode>3_const): Likewise.
6647         (copysign<mode>3_var): Likewise.
6648         (define_split UNSPEC_COPYSIGN): Likewise.
6649         * config/i386/sse.md (*nandtf3): Likewise.
6650         (<code>tf3): Likewise.
6651         (*<code>tf3): Likewise.
6652
6653 2008-06-30  Joey Ye  <joey.ye@intel.com>
6654             H.J. Lu  <hongjiu.lu@intel.com>
6655
6656         * global.c (compute_regsets): Set frame_pointer_needed here.
6657         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
6658
6659 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
6660
6661         * doc/install.texi (specific): Expand Windows build notes.
6662
6663 2008-06-30  Ira Rosen  <irar@il.ibm.com>
6664
6665         PR tree-optimization/36648
6666         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
6667         number of prolog iterations by step. Fix the comment.
6668
6669 2008-06-30  Richard Guenther  <rguenther@suse.de>
6670
6671         PR middle-end/36671
6672         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
6673         handle calls from ECF_MALLOC functions.
6674         (handle_pure_call): ECF_MALLOC functions do not return
6675         call-used memory.
6676         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
6677
6678 2008-06-29  Andreas Schwab  <schwab@suse.de>
6679
6680         * config/m68k/m68k.c (print_operand): Always print a float
6681         constant in hex.
6682         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
6683         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
6684         Remove macros.
6685
6686         * config/rs6000/x-linux64: Remove never used file.
6687
6688 2008-06-29  Richard Guenther  <rguenther@suse.de>
6689
6690         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
6691         prototype.
6692         (struct alias_info): Move ...
6693         * tree-ssa-alias.c: ... here.
6694         (update_alias_info): Declare.
6695         (compute_may_aliases): Call it.
6696         (update_alias_info): New function.
6697         * tree-ssa-structalias.c (update_alias_info): Move ...
6698         * tree-ssa-alias.c (update_alias_info_1): ... here.
6699         * tree-ssa-structalias.c (process_constraint_1): Remove
6700         unused from_call argument.  Rename to ...
6701         (process_constraint): ... this.  Delete old wrapper.
6702         (make_constraint_to): Adjust callers.
6703         (handle_const_call): Likewise.
6704         (handle_pure_call): Likewise.
6705         (init_base_vars): Likewise.
6706         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
6707         (find_func_aliases): We don't need structure copies for
6708         complex types.
6709         (make_constraint_from_anything): Remove.
6710         (create_variable_info_for): For globals make constraints
6711         from escaped, not from anything.
6712         (compute_points_to_sets): Do not call update_alias_info.
6713         (ipa_pta_execute): Use make_constraint_from.
6714
6715 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6716
6717         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
6718         (bitmap.o-warn, dominance.o-warn): New.
6719         * configure.ac (cxx_compat_warn): Delete.
6720         (loose_warn): Add -Wcast-qual and -Wc++-compat.
6721         * system.h: Remove #pragma diagnostic for -Wcast-qual and
6722         -Wc++-compat.
6723         * configure: Regenerate.
6724
6725         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
6726         warnings.
6727
6728 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6729
6730         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
6731         * df-scan.c (df_notes_rescan): Likewise.
6732         * ggc-page.c (set_page_table_entry): Likewise.
6733         * intl.c (gcc_gettext_width): Likewise.
6734         * varasm.c (get_unnamed_section, get_noswitch_section,
6735         get_section): Likewise.
6736
6737 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
6738
6739         * regrename.c (build_def_use): Don't copy RTX.
6740
6741 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
6742
6743         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
6744         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
6745         punctuation.  Use @ref instead of @xref.
6746         (Function Names): Remove stray @display/@end display.
6747         (C++ Attributes): Use @ref instead of @xref.
6748         (Deprecated Features): Fix punctuation around @xref.
6749         (Backwards Compatibility): Likewise.
6750         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
6751
6752 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
6753
6754         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
6755         constants for E500 double.
6756
6757 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6758
6759         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
6760         element type of const_vector.
6761
6762 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
6763
6764         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
6765         Remove FLAGS_REG clobber from expander pattern.
6766         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
6767         (anddi3, andsi3, andhi3, andqi3): Ditto.
6768         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
6769         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
6770         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
6771         (ashlsi3, ashlhi3, ashlqi3): Ditto.
6772         (ashrsi3, ashrhi3, ashrqi3): Ditto.
6773         (lshrsi3, lshrhi3, lshrqi3): Ditto.
6774         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
6775         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
6776
6777 2008-06-28  Richard Guenther  <rguenther@suse.de>
6778
6779         * tree-ssa-structalias.c (callused_id, var_callused,
6780         callused_tree): Add.
6781         (handle_pure_call): New function.
6782         (find_func_aliases): Call it.
6783         (find_what_p_points_to): Handle the call-used set.
6784         (clobber_what_escaped): Likewise.
6785         (compute_call_used_vars): New function.
6786         (init_base_vars): Init the call-used variable.
6787         (do_sd_constraint): Do not propagate the solution from CALLUSED
6788         but use CALLUSED as a placeholder.
6789         (solve_graph): Likewise.
6790         * tree-flow-inline.h (gimple_call_used_vars): New function.
6791         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
6792         (compute_call_used_vars): Declare.
6793         * tree-ssa-alias.c (set_initial_properties): Call
6794         compute_call_used_vars.
6795         (reset_alias_info): Clear call-used variables.
6796         (add_call_clobber_ops): Assert we are not called for const/pure
6797         functions.  Remove handling of them.
6798         (add_call_read_ops): Handle pure functions by adding the
6799         call-used set of variables as VUSEs.
6800         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
6801         (delete_tree_ssa): Free it.
6802         * tree-dfa.c (remove_referenced_var): Clear the var from the
6803         call-used bitmap.
6804
6805 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
6806
6807         * tree.c (build_varargs_function_type_list): New.
6808         (build_function_type_list_1): New.
6809         (build_function_type_list): Use build_function_type_list_1.
6810         * tree.h (build_varargs_function_type_list): New.
6811
6812 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6813
6814         PR target/34856
6815         * config/spu/spu.c (spu_builtin_splats): Do not generate
6816         invalid CONST_VECTOR expressions.
6817         (spu_expand_vector_init): Likewise.
6818
6819 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
6820
6821         * optabs.c (libfunc_decls): New variable.
6822         (libfunc_decl_hash, libfunc_decl_eq): New functions.
6823         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
6824         for the same function twice.
6825
6826 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
6827
6828         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
6829         ix86_expand_binary_operator directly.
6830         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
6831         for operand 2.
6832         (*ashrti3_1): Ditto.
6833         (*lshrti3_1): Ditto.
6834         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
6835         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
6836         using only one splitter.  Conditionaly execute splitter before or
6837         after peephole2 pass.
6838         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
6839         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
6840         Use only one alternative in asm template.
6841         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
6842         in asm template.
6843         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
6844         "J" operand constraint for operand 2.
6845         (*ashldi3_cconly_rex64): Ditto.
6846         (*ashrdi3_cmp_rex64): Ditto.
6847         (*ashrdi3_cconly_rex64): Ditto.
6848         (*lshrdi3_cmp_rex64): Ditto.
6849         (*lshrdi3_cconly_rex64): Ditto.
6850         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
6851         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
6852         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
6853         gen_x86_shrd_1.
6854
6855 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
6856
6857         * gimplify.c (omp_is_private): Don't return true if decl is not
6858         already private on #pragma omp for or #pragma omp parallel for.
6859
6860         PR debug/36617
6861         * tree-cfg.c (struct move_stmt_d): Replace block field with
6862         orig_block and new_block fields.
6863         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
6864         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
6865         (move_block_to_fn): Replace vars_map and new_label_map arguments
6866         with struct move_stmt_d pointer.
6867         (replace_block_vars_by_duplicates): New function.
6868         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
6869         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
6870         all subblocks of ORIG_BLOCK to the new function.  Call
6871         replace_block_vars_by_duplicates.
6872         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
6873         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
6874         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
6875         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
6876         (expand_omp): Temporarily set input_location to the location of
6877         region's controlling stmt.
6878         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
6879         BIND_EXPR, push ctx->block_vars and gimplification vars into
6880         the BIND_EXPR and its block's BLOCK_VARS instead of directly
6881         into dest function.
6882         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
6883         there are any BLOCK_VARS.
6884         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
6885         OMP_PARALLEL or OMP_TASK stmt.
6886         (lower_omp): Save and restore input_location around the lower_omp_1
6887         call.
6888
6889 2008-06-27  Richard Guenther  <rguenther@suse.de>
6890
6891         PR tree-optimization/36400
6892         PR tree-optimization/36373
6893         PR tree-optimization/36344
6894         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
6895         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
6896         (update_alias_info): Remove call clobbering code.
6897         (make_constraint_to): New helper function.
6898         (make_escape_constraint): Likewise.
6899         (handle_rhs_call): Use it on all pointer containing arguments.
6900         Also mark the static chain escaped.
6901         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
6902         instead of ANYTHING.
6903         (make_constraint_from): New helper split out from ...
6904         (make_constraint_from_anything): ... here.
6905         (find_func_aliases): Add constraints for escape sites.
6906         (intra_create_variable_infos): Make constraints from NONLOCAL
6907         for parameters.
6908         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
6909         as ANYTHING.
6910         (clobber_what_p_points_to): Remove.
6911         (clobber_what_escaped): New function.
6912         (init_base_vars): Init NONLOCAL and ESCAPED.
6913         (do_sd_constraint): Do not propagate the solution from ESCAPED
6914         but use ESCAPED as a placeholder.
6915         (solve_graph): Likewise.
6916         * tree-flow.h (clobber_what_p_points_to): Remove.
6917         (clobber_what_escaped): Declare.
6918         * tree-ssa-alias.c (set_initial_properties): Call it.
6919         Remove code clobbering escaped pointers.
6920
6921 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6922
6923         * function.c (allocate_struct_function): Only allocate a unique
6924         funcdef_no if the decl is nonzero.
6925
6926 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6927
6928         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
6929         * config/mips/mips.c (mips_split_const_insns): New function.
6930         * config/mips/mips.md (move_type): New attribute.
6931         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
6932         (dword_mode): New attribute.
6933         (type): Avoid long line.  Map "move_type"s to "type"s,
6934         choosing "multi" for doubleword moves if appropriate.
6935         Swap MTC/MFC comments to match their declaration order.
6936         (extended_mips16): Default to "yes" if "move_type" is "sll0",
6937         "type" is "branch" or "jal" is "direct".
6938         (length): Handle "extended_mips16" first.  Make the default
6939         "0" for "ghost" instructions.  Set the length from "move_type".
6940         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
6941         of "type", with "sll0" for the register alternative.  Remove the
6942         "extended_mips16" attribute.
6943         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
6944         of "type", with "shift_shift" for the register alternative.
6945         Remove the "length" attribute.
6946         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
6947         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
6948         of "type", with "andi" for the register alternative.
6949         (*zero_extendqihi2): Likewise.
6950         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
6951         of "andi" instead of a "type" of "arith".
6952         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
6953         instead of "type".
6954         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
6955         (mov_<store>r, *mov<mode>_ra): Likewise.
6956         (extendsidi2): Use "move_type" instead of "type", with "move"
6957         for the register alternative.
6958         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
6959         of "type", with "signext" for the register alternative.
6960         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
6961         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
6962         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
6963         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
6964         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
6965         (unnamed branch insn): Likewise.
6966         (*movdi_gp32_fp64): Fold into...
6967         (*movdi_32bit): ...here.
6968         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
6969         (*movdf_hardfloat): ...this new pattern.
6970         (*movdf_softfloat): Remove redundant FPR alternatives.
6971         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
6972         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
6973         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
6974         the "move" attribute.
6975         (*movdi_32bit): Use "move_type" instead of "type" and remove the
6976         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
6977         and "store" for COP loads and stores.
6978         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
6979         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
6980         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
6981         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
6982         (*movtf_mips16, *movv2sf): Likewise.
6983         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
6984         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
6985         (mfhc1<mode>): Use "move_type" instead of "move".
6986         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
6987         (loadgp_blockage): Remove the "length" attribute.
6988         (blockage, set_got_version, update_got_version): Likewise.
6989         (call_internal): Remove the "extended_mips16" attribute.
6990         (call_value_internal, call_value_multiple_internal): Likewise.
6991         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
6992         instead of "move".
6993         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
6994         the "length" attribute.
6995
6996 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6997
6998         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
6999         -Wcast-qual warnings.
7000         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
7001         handle_pragma_pop_macro): Likewise.
7002         * collect2.c (resolve_lib_name): Likewise.
7003         * config/arc/arc.c (arc_init): Likewise.
7004         * config/arm/arm.c (neon_builtin_compare,
7005         locate_neon_builtin_icode): Likewise.
7006         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
7007         * config/bfin/bfin.c (bfin_init_machine_status,
7008         bfin_optimize_loop): Likewise.
7009         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7010         * config/cris/cris.c (cris_init_expanders): Likewise.
7011         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
7012         * config/darwin.c (machopic_indirection_eq,
7013         machopic_indirection_name, machopic_output_indirection): Likewise.
7014         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
7015         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
7016         frv_optimize_membar): Likewise.
7017         * config/i386/cygwin.h (mingw_scan,
7018         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
7019         * config/i386/cygwin1.c (mingw_scan): Likewise.
7020         * config/i386/i386.c (machopic_output_stub): Likewise.
7021         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
7022         i386_pe_unique_section): Likewise.
7023         * config/ia64/ia64.c (ia64_init_machine_status,
7024         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
7025         Likewise.
7026         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
7027         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
7028         * config/m68k/m68k.c (m68k_handle_option,
7029         m68k_sched_md_init_global): Likewise.
7030         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
7031         mcore_unique_section): Likewise.
7032         * config/mips/mips.c (mips_block_move_straight,
7033         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
7034         Likewise.
7035         * config/mmix/mmix.c (mmix_init_machine_status,
7036         mmix_encode_section_info): Likewise.
7037         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
7038         * config/rs6000/rs6000.c (rs6000_init_machine_status,
7039         print_operand_address, output_toc, redefine_groups,
7040         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
7041         * config/s390/s390.c (s390_init_machine_status): Likewise.
7042         * config/score/score.c (score_block_move_straight,
7043         score_block_move_loop_body): Likewise.
7044         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
7045         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
7046         * emit-rtl.c (find_auto_inc): Likewise.
7047         * gcc.c (translate_options, process_command): Likewise.
7048         * reorg.c (dbr_schedule): Likewise.
7049         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
7050         * xcoffout.c (xcoffout_declare_function): Likewise.
7051
7052 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
7053
7054         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
7055         ipa-pta working again.
7056
7057 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
7058
7059         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
7060         genautomata.
7061
7062 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
7063
7064         * config.gcc (powerpc*-*-*): Add new core e500mc.
7065         * config/rs6000/e500mc.md: New file.
7066         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7067         e500mc.
7068         (rs6000_override_options): Add e500mc case to
7069         processor_target_table. Altivec and Spe options not allowed
7070         with e500mc. Add isel instruction to e500mc by
7071         default. Initialize rs6000_cost for e500mc.
7072         (rs6000_issue_rate): Set issue rate for e500mc.
7073         * config/rs6000/rs6000.h (processor_type): Add
7074         PROCESSOR_PPCE500MC.
7075         (ASM_CPU_SPEC): Add e500mc.
7076         Set TARGET_ISEL to rs6000_isel.
7077         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
7078         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
7079         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
7080         Include e500mc.md.
7081         * doc/invoke.texi: Add e500mc to list of cpus.
7082
7083 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7084
7085         PR c/34867
7086         * c-lex.c (lex_charconst): Initialize unsignedp.
7087
7088 2008-06-27  Olivier Hainque  <hainque@adacore.com>
7089
7090         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
7091         documented assumptions.
7092
7093 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7094
7095         * dwarf2out.c: Remove trailing white spaces.  Break long line
7096         in comments.
7097
7098 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
7099
7100         * libfuncs.h (LTI_synchronize): New libfunc_index.
7101         (synchronize_libfunc): Declare.
7102         * builtins.c (expand_builtin_synchronize): Consider using
7103         synchronize_libfunc before falling back on an asm blockage.
7104         * config/mips/mips.c: Include libfuncs.h
7105         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
7106
7107 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
7108
7109         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
7110         parameter.  Copy stack_reg to r11 where appropriate.
7111         (no_global_regs_above): Add gpr parameter.
7112         (rs6000_stack_info): Only add padding for SPE save area if we
7113         are saving SPE GPRs and CR.
7114         (saveres_routine_syms): New variable.
7115         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
7116         Define.
7117         (rs6000_savres_routine_sym): New function.
7118         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
7119         split out of...
7120         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
7121         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
7122         Tweak FPR out-of-line saving.
7123         (rs6000_make_savres_rtx): New function.
7124         (rs6000_use_multiple_p): New function.
7125         (rs6000_savres_strategy): New function.
7126         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
7127         out-of-line if appropriate.
7128         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
7129         if we are optimizing for size.
7130         (GP_SAVE_INLINE): Define.
7131         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
7132         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
7133         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
7134         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
7135         (*save_fpregs_<mode>): Add use of r11.
7136         (*restore_gpregs_<mode>): New insn.
7137         (*return_and_restore_gpregs_<mode>): New insn.
7138         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
7139         use r11.
7140         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
7141         (*restore_gpregs_spe): New insn.
7142         (*return_and_restore_gpregs_spe): New insn.
7143         * config/rs6000/predicates.md (save_world_operation): Fix check.
7144
7145 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7146
7147         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
7148         this point, so assert that.
7149
7150 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7151
7152         * cfganal.c: Include vec.h and vecprim.h.
7153         (compute_idf): Import from...
7154         * tree-into-ssa (compute_idf): ...here.
7155         * basic-block.h (compute_idf): Export.
7156
7157 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
7158
7159         * c-decl.c (merge_decls): Use !current_function_decl to check for
7160         extern declaration of C99 inline function being at file scope.
7161
7162 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
7163
7164         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
7165
7166 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7167
7168         * alias.c (record_alias_subset, init_alias_analysis): Fix
7169         -Wc++-compat and/or -Wcast-qual warnings.
7170         * attribs.c (lookup_attribute_spec): Likewise.
7171         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
7172         copy_bb, connect_traces,
7173         find_rarely_executed_basic_blocks_and_cr): Likewise.
7174         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
7175         note_btr_set, migrate_btr_defs): Likewise.
7176         * builtins.c (result_vector, expand_builtin_memcpy,
7177         expand_builtin_mempcpy_args, expand_builtin_strncpy,
7178         builtin_memset_read_str, expand_builtin_printf,
7179         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
7180         Likewise.
7181         * caller-save.c (mark_set_regs): Likewise.
7182         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7183         * cgraph.c (cgraph_edge): Likewise.
7184         * combine.c (likely_spilled_retval_1): Likewise.
7185         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7186         htab_counts_entry_del, get_coverage_counts): Likewise.
7187         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7188         new_cselib_val): Likewise.
7189         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7190         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7191         Likewise.
7192         * df-core.c (df_compact_blocks): Likewise.
7193         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7194         * df-scan.c (df_grow_reg_info, df_ref_create,
7195         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7196         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7197         df_record_entry_block_defs, df_record_exit_block_uses,
7198         df_bb_verify): Likewise.
7199         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7200         DF_REF_EXTRACT_MODE_CONST): New.
7201         * dominance.c (get_immediate_dominator, get_dominated_by,
7202         nearest_common_dominator, root_of_dom_tree,
7203         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7204         -Wc++-compat and/or -Wcast-qual warnings.
7205         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7206         record_store, replace_read, check_mem_read_rtx, scan_insn,
7207         dse_step1, dse_record_singleton_alias_set): Likewise.
7208         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7209
7210 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7211
7212         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7213         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7214         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7215         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7216         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7217         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7218         file_name_acquire, output_file_names, add_const_value_attribute,
7219         premark_used_types_helper, file_table_eq, file_table_hash,
7220         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7221         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7222         -Wcast-qual warnings.
7223         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7224         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7225         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7226         gen_reg_rtx, start_sequence, init_emit): Likewise.
7227         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7228         * except.c (init_eh_for_function, gen_eh_region,
7229         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7230         arh_to_landing_pad, arh_to_label, add_action_record,
7231         add_call_site, switch_to_exception_section): Likewise.
7232         * expmed.c (synth_mult): Likewise.
7233         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7234         store_expr): Likewise.
7235         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7236         Likewise.
7237         * function.c (assign_stack_temp_for_type,
7238         allocate_struct_function, match_asm_constraints_1): Likewise.
7239         * gcov-io.c (gcov_allocate): Likewise.
7240         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7241         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7242         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7243         record_one_set, insert_expr_in_table, insert_set_in_table,
7244         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7245         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7246         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7247         -Wcast-qual warnings.
7248
7249 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7250
7251         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7252         -Wcast-qual warnings.
7253         * gcc.c (process_command): Likewise.
7254         * genattrtab.c (oballoc): Use XOBNEW.
7255         (oballocvec): Define.
7256         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7257         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7258         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7259         -Wc++-compat and/or -Wcast-qual warnings.
7260         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7261         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7262         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7263         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7264         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7265         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7266         add_excls, process_presence_absence_names,
7267         process_presence_absence_patterns, add_presence_absence,
7268         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7269         get_free_state, add_arc, get_free_automata_list_el,
7270         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7271         transform_3, cache_presence, create_ainsns, create_automata,
7272         create_state_ainsn_table, dfa_insn_code_enlarge,
7273         output_trans_func, output_min_issue_delay_func,
7274         output_dead_lock_func, output_reset_func,
7275         output_get_cpu_unit_code_func, output_dfa_start_func,
7276         expand_automata): Likewise.
7277         * genextract.c (gen_insn): Likewise.
7278         * gengtype-lex.l: Likewise.
7279         * gengtype.c (read_input_list, adjust_field_type,
7280         process_gc_options): Likewise.
7281         * genoutput.c (note_constraint): Likewise.
7282         * genpreds.c (mangle, add_constraint): Likewise.
7283         * genrecog.c (process_define_predicate, new_decision,
7284         add_to_sequence): Likewise.
7285         * gensupport.c (record_insn_name): Likewise.
7286
7287 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7288
7289         * config/i386/driver-i386.c (detect_caches_amd,
7290         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7291         and/or -Wcast-qual warnings.
7292         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7293         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7294         gt_pch_save): Likewise.
7295         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7296         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7297         * global.c (compute_regsets): Likewise.
7298         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7299         finish_graph_dump_file): Likewise.
7300         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7301         unlink_bb_notes): Likewise.
7302         * integrate.c (get_hard_reg_initial_val): Likewise.
7303         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7304         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7305         * local-alloc.c (update_equiv_regs): Likewise.
7306         * loop-invariant.c (check_invariant_table_size,
7307         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7308         Likewise.
7309         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7310         altered_reg_used, mark_altered): Likewise.
7311         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7312         insert_var_expansion_initialization,
7313         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7314         release_var_copies): Likewise.
7315         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7316         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7317         analyze_accesses_for_phi_node, check_var_notmodified_p,
7318         check_allocation_function, find_sites_in_func,
7319         record_all_accesses_in_func, transform_access_sites,
7320         transform_allocation_sites): Likewise.
7321         * omp-low.c (new_omp_region, create_omp_child_function_name,
7322         check_omp_nesting_restrictions, check_combined_parallel,
7323         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7324         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7325         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7326         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7327         Likewise.
7328         * opts-common.c (prune_options): Likewise.
7329         * opts.c (add_input_filename, print_filtered_help,
7330         get_option_state): Likewise.
7331         * params.c (add_params): Likewise.
7332         * passes.c (set_pass_for_id, next_pass_1,
7333         do_per_function_toporder, pass_fini_dump_file): Likewise.
7334         * postreload.c (reload_cse_simplify_operands): Likewise.
7335         * predict.c (tree_predicted_by_p, tree_predict_edge,
7336         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7337
7338 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7339
7340         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7341         warnings.
7342         * recog.c (check_asm_operands, validate_change_1): Likewise.
7343         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7344         subst_asm_stack_regs): Likewise.
7345         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7346         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7347         * regmove.c (reg_is_remote_constant_p): Likewise.
7348         * regrename.c (regrename_optimize, scan_rtx_reg,
7349         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7350         Likewise.
7351         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7352         regstat_compute_calls_crossed): Likewise.
7353         * reload1.c (init_reload, new_insn_chain,
7354         has_nonexceptional_receiver, reload, copy_reloads,
7355         calculate_needs_all_insns, init_elim_table): Likewise.
7356         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7357         * rtl.c (shallow_copy_rtx_stat): Likewise.
7358         * rtlanal.c (parms_set): Likewise.
7359         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7360         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7361         * sched-ebb.c (earliest_block_with_similiar_load,
7362         add_deps_for_risky_insns): Likewise.
7363         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7364         schedule_region): Likewise.
7365         * see.c (eq_descriptor_pre_extension,
7366         hash_descriptor_pre_extension, hash_del_pre_extension,
7367         eq_descriptor_properties, hash_descriptor_properties,
7368         hash_del_properties, see_seek_pre_extension_expr,
7369         see_initialize_data_structures, see_print_register_properties,
7370         see_print_pre_extension_expr, see_delete_merged_def_extension,
7371         see_delete_unmerged_def_extension, see_emit_use_extension,
7372         see_pre_delete_extension, see_map_extension, see_commit_changes,
7373         see_analyze_merged_def_local_prop,
7374         see_analyze_merged_def_local_prop,
7375         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7376         see_set_prop_merged_def, see_set_prop_unmerged_def,
7377         see_set_prop_unmerged_use, see_print_one_extension,
7378         see_merge_one_use_extension, see_merge_one_def_extension,
7379         see_store_reference_and_extension, see_update_uses_relevancy,
7380         see_update_defs_relevancy): Likewise.
7381         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7382         hash_statistics_free, curr_statistics_hash): Likewise.
7383         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7384         expand_asm_operands, expand_return, case_bit_test_cmp,
7385         expand_case): Likewise.
7386         * stor-layout.c (start_record_layout): Likewise.
7387         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7388         gt_pch_save_stringpool): Likewise.
7389         * tree-data-ref.c (hash_stmt_vertex_info,
7390         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7391         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7392
7393 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
7394
7395         PR target/36627
7396         * config/i386/i386.md : Change constraints of HImode and QImode
7397         immediate operands from "i" to "n".  Change SImode "ni" constraint to
7398         "i" and SImode "rmi" constraint to "g".  Remove all constraints
7399         from const0_operand and const1_operand predicated operands.
7400         (i): Change QImode and HImode attribute from "i" to "n".
7401         (*subqi_2): Change HImode operands to QImode.
7402         (*subqi_3): Ditto.
7403
7404 2008-06-25  Olivier Hainque  <hainque@adacore.com>
7405
7406         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
7407         sed substitutions.
7408
7409 2008-06-25  Richard Guenther  <rguenther@suse.de>
7410
7411         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
7412         not overflow the result type.
7413
7414 2008-06-25  Richard Guenther  <rguenther@suse.de>
7415
7416         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
7417         (vn_lookup): Likewise.
7418
7419 2008-06-25  Richard Guenther  <rguenther@suse.de>
7420
7421         PR tree-optimization/35518
7422         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
7423         * tree-sra.c (instantiate_element): Use fold_build3 to build
7424         BIT_FIELD_REFs.
7425         (try_instantiate_multiple_fields): Likewise.
7426
7427 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7428
7429         * config/rs6000/rs6000.md: Change all string instruction's clobber to
7430         be early clobbers.
7431
7432 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7433
7434         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
7435         use_backchain_to_restore_sp to true
7436         if the offset of the link register save area would go over the 32k - 1
7437         offset limit of the load
7438         instructions.
7439
7440 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
7441
7442         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
7443         anchor for the type-punning blurb.  Cross-reference "Structures
7444         unions enumerations and bit-fields implementation".  Provide a
7445         cast-through-pointer example.  Make final sentence self-contained.
7446         * doc/implement-c.texi (Structures unions enumerations and
7447         bit-fields implementation): Cross-reference the type-punning blurb
7448         in the -fstrict-aliasing documentation.
7449
7450 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7451
7452         PR middle-end/36594
7453         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
7454         the memory instead of the memory itself for the save area.
7455
7456 2008-06-24  Olivier Hainque  <hainque@adacore.com>
7457             Nicolas Roche  <roche@adacore.com>
7458
7459         * gengtype.c (srcdir_len): size_t instead of int.
7460         (get_file_realbasename): New function.  For F a filename, the real
7461         basename of F, with all the path components stripped.
7462         (get_file_srcdir_relative_path): New function.  For F a filename, the
7463         relative path to F from $(srcdir).
7464         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
7465         get_file_realbasename.  Adjust the head comment.
7466         (get_prefix_langdir_index): New function. For F a filename, return the
7467         lang_dir_names[] relative index of the language directory that is
7468         a prefix in F.
7469         (get_file_langdir): For F a filename, return the name of the language
7470         directory where F is located.
7471         (get_file_gtfilename): New function. The gt- output file name for an
7472         input filename F.
7473         (get_output_file_with_visibility): Replace in-line computations with
7474         uses of get_file_gtfilename and get_prefix_langdir_index.
7475         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
7476
7477 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
7478
7479         PR tree-optimization/36504
7480         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
7481         references without base address.
7482
7483 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7484
7485         PR middle-end/36584
7486         * calls.c (expand_call): Increase alignment for recursive functions.
7487
7488 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
7489
7490         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
7491         (TARGET_FUNCTION_VALUE): New define.
7492         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
7493         * config/avr/avr.h (FUNCTION_VALUE): Remove.
7494
7495 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7496
7497         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
7498         (fmod<mode>3): Ditto.
7499         (remainderxf3): Ditto.
7500         (remainder<mode>3): Ditto.
7501
7502 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
7503
7504         PR target/36533
7505         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
7506         REG is a hard register.
7507
7508         PR tree-optimization/36508
7509         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
7510         499, don't check it at all in release compilers.
7511
7512 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7513
7514         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
7515         together with SSE_TARGET_MATH to disable insn pattern.
7516         (*fop_<MODEF:mode>_2_i387): Ditto.
7517         (*fop_<MODEF:mode>_3_i387): Ditto.
7518
7519 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
7520
7521         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
7522
7523 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7524
7525         PR middle-end/34906
7526         * gimplify.c (gimplify_asm_expr): Check the return code of
7527         parse_output_constraint call, set function return and is_inout
7528         value if it failed.
7529
7530 2008-06-22  Ian Lance Taylor  <iant@google.com>
7531
7532         * c-lex.c (narrowest_unsigned_type): Change itk to int.
7533         (narrowest_signed_type): Likewise.
7534         * c-typeck.c (c_common_type): Change local variable mclass to enum
7535         mode_class, twice.
7536         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
7537         tcc_comparison, not the tree code itself.
7538         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
7539         (c_expand_expr): Cast modifier to enum expand_modifier.
7540         * c-common.h (C_RID_CODE): Add casts.
7541         (C_SET_RID_CODE): Define.
7542         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
7543         (c_lex_one_token): Add cast to avoid warning.
7544         (c_parser_objc_type_name): Rename local typename to type_name.
7545         (check_no_duplicate_clause): Change code parameter to enum
7546         omp_clause_code.
7547         (c_parser_omp_var_list_parens): Change kind parameter to enum
7548         omp_clause_code.
7549         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
7550         c_parser_omp_list_var_parens.
7551         (c_parser_omp_threadprivate): Likewise.
7552         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
7553         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
7554         * c-format.c (NO_FMT): Define.
7555         (printf_length_specs): Use NO_FMT.
7556         (asm_fprintf_length_specs): Likewise.
7557         (gcc_diag_length_specs): Likewise.
7558         (scanf_length_specs): Likewise.
7559         (strfmon_length_specs): Likewise.
7560         (gcc_gfc_length_specs): Likewise.
7561         (printf_flag_specs): Change 0 to STD_C89.
7562         (asm_fprintf_flag_specs): Likewise.
7563         (gcc_diag_flag_specs): Likewise.
7564         (gcc_cxxdiag_flag_specs): Likewise.
7565         (scanf_flag_specs): Likewise.
7566         (strftime_flag_specs): Likewise.
7567         (strfmon_flag_specs): Likewise.
7568         (print_char_table): Likewise.
7569         (asm_fprintf_char_table): Likewise.
7570         (gcc_diag_char_table): Likewise.
7571         (gcc_tdiag_char_table): Likewise.
7572         (gcc_cdiag_char_table): Likewise.
7573         (gcc_cxxdiag_char_table): Likewise.
7574         (gcc_gfc_char_table): Likewise.
7575         (scan_char_table): Likewise.
7576         (time_char_table): Likewis.
7577         (monetary_char_table): Likewise.
7578         * c-format.h (BADLEN): Likewise.
7579
7580 2008-06-21  Ian Lance Taylor  <iant@google.com>
7581
7582         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
7583         Define END_OF_BASE_TREE_CODES around inclusion.
7584         * tree.c (tree_code_type): New global array.
7585         (tree_code_length, tree_code_name): Likewise.
7586         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
7587         $(lang_tree_files).
7588         (all-tree.def, s-alltree): New targets.
7589         (gencheck.h, s-gencheck): Remove.
7590         (tree.o): Depend upon all-tree.def.
7591         (build/gencheck.o): Remove gencheck.h dependency.
7592         (mostlyclean): Don't remove gencheck.h.
7593         * c-common.h (enum c_tree_code): Remove.
7594         * c-lang.c (tree_code_type): Remove.
7595         (tree_code_length, tree_code_name): Remove.
7596         * gencheck.c (tree_codes): Include all-tree.def, rather than
7597         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
7598         after it is used.
7599         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
7600         than tree.def.
7601         * cp/cp-tree.h (enum cplus_tree_code): Remove.
7602         (operator_name_info): Size to MAX_TREE_CODES.
7603         (assignment_operator_name_info): Likewise.
7604         * cp/cp-lang.c (tree_code_type): Remove.
7605         (tree_code_length, tree_code_name): Remove.
7606         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
7607         (assignment_operator_name_info): Likewise.
7608         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
7609         MAX_TREE_CODES.
7610         * cp/mangle.c (write_expression): Likewise.
7611         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
7612         * fortran/f95-lang.c (tree_code_type): Remove.
7613         (tree_code_length, tree_code_name): Remove.
7614         * java/java-tree.h (enum java_tree_code): Remove.
7615         * java/lang.c (tree_code_type): Remove.
7616         (tree_code_length, tree_code_name): Remove.
7617         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
7618         * objc/objc-act.h (enum objc_tree_code): Remove.
7619         * objc/objc-lang.c (tree_code_type): Remove.
7620         (tree_code_length, tree_code_name): Remove.
7621         * objcp/objcp-lang.c (tree_code_type): Remove.
7622         (tree_code_length, tree_code_name): Remove.
7623         * ada/ada-tree.h (enum gnat_tree_code): Remove.
7624         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
7625         * ada/misc.c (tree_code_type): Remove.
7626         (tree_code_length, tree_code_name): Remove.
7627
7628 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
7629
7630         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
7631         the grand_bitmap_obstack.
7632
7633 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7634
7635         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
7636         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
7637         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
7638         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
7639         move_stmt_r, new_label_mapper): Likewise.
7640         * tree-complex.c (cvc_lookup): Likewise.
7641         * tree-dfa.c (create_function_ann): Likewise.
7642         * tree-dump.c (dump_register): Likewise.
7643         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
7644         find_phi_replacement_condition): Likewise.
7645         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
7646         tree_function_versioning): Likewise.
7647         * tree-into-ssa.c (cmp_dfsnum): Likewise.
7648         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
7649         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
7650         get_nonlocal_debug_decl, convert_nonlocal_reference,
7651         convert_nonlocal_omp_clauses, get_local_debug_decl,
7652         convert_local_reference, convert_local_omp_clauses,
7653         convert_nl_goto_reference, convert_nl_goto_receiver,
7654         convert_tramp_reference, convert_call_expr): Likewise.
7655         * tree-outof-ssa.c (contains_tree_r): Likewise.
7656         * tree-parloops.c (reduction_phi, initialize_reductions,
7657         eliminate_local_variables_1, add_field_for_reduction,
7658         add_field_for_name, create_phi_for_local_result,
7659         create_call_for_reduction_1, create_loads_for_reductions,
7660         create_stores_for_reduction, create_loads_and_stores_for_name):
7661         Likewise.
7662         * tree-phinodes.c (allocate_phi_node): Likewise.
7663         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
7664         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
7665         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
7666         * tree-ssa-coalesce.c (compare_pairs): Likewise.
7667         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
7668         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
7669         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
7670         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
7671         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
7672         vn_nary_op_insert): Likewise.
7673         * tree-ssa.c (redirect_edge_var_map_add,
7674         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
7675         * tree-vectorizer.c (vectorize_loops): Likewise.
7676         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
7677         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
7678         tree_cons_stat, build1_stat, build_variant_type_copy,
7679         decl_init_priority_lookup, decl_fini_priority_lookup,
7680         decl_priority_info, decl_restrict_base_lookup,
7681         decl_restrict_base_insert, decl_debug_expr_lookup,
7682         decl_debug_expr_insert, decl_value_expr_lookup,
7683         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
7684         type_hash_add, get_file_function_name, tree_check_failed,
7685         tree_not_check_failed, tree_range_check_failed,
7686         omp_clause_range_check_failed, build_omp_clause,
7687         build_vl_exp_stat): Likewise.
7688         * value-prof.c (gimple_histogram_value,
7689         gimple_duplicate_stmt_histograms): Likewise.
7690         * var-tracking.c (attrs_list_insert, attrs_list_copy,
7691         unshare_variable, variable_union_info_cmp_pos, variable_union,
7692         dataflow_set_different_1, dataflow_set_different_2,
7693         vt_find_locations, variable_was_changed, set_variable_part,
7694         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
7695         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
7696         section_entry_hash, object_block_entry_eq,
7697         object_block_entry_hash, create_block_symbol,
7698         initialize_cold_section_name, default_function_rodata_section,
7699         strip_reg_name, set_user_assembler_name, const_desc_eq,
7700         build_constant_desc, output_constant_def, lookup_constant_def,
7701         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
7702         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
7703         default_internal_label): Likewise.
7704         * varray.c (varray_init, varray_grow): Likewise.
7705         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
7706
7707 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
7708
7709         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
7710         operators for "test" insn.  Macroize insn using SWI mode macro.
7711         (*jcc_fused_2): Ditto.
7712         (*jcc_fused_3): Macroize insn using SWI mode macro.
7713         (*jcc_fused_4): Ditto.
7714
7715 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
7716
7717         * tree-ssa-pre.c: Fix typo in comment.
7718         (init_antic, fini_antic): Add explicit funtions for
7719         initializing and deinitializing ANTIC and AVAIL sets.
7720         (create_expression_by_pieces): Fix typo in comment.
7721         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
7722         (execute_pre): Eventually dump details about ANTIC_IN.
7723
7724 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7725
7726         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
7727         * gcc.c (translate_options, init_spec, store_arg, read_specs,
7728         add_to_obstack, file_at_path, find_a_file, execute,
7729         add_preprocessor_option, add_assembler_option, add_linker_option,
7730         process_command, insert_wrapper, do_option_spec, do_self_spec,
7731         spec_path, do_spec_1, is_directory, main, used_arg,
7732         getenv_spec_function): Likewise.
7733         * tlink.c (symbol_hash_lookup, file_hash_lookup,
7734         demangled_hash_lookup, symbol_push, file_push, frob_extension):
7735         Likewise.
7736
7737 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
7738
7739         * doc/rtl.texi: Updated subreg section.
7740
7741 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
7742
7743         PR c++/36523
7744         * cgraphunit.c (cgraph_process_new_functions): Don't clear
7745         node->needed and node->reachable.
7746         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
7747         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
7748         (expand_task_call): Don't call expand_task_copyfn.
7749         (expand_task_copyfn): Renamed to...
7750         (finalize_task_copyfn): ... this.
7751
7752 2008-06-19  Jan Hubicka  <jh@suse.cz>
7753
7754         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
7755         clobbering framepointer.
7756
7757 2008-06-19  Jan Hubicka  <jh@suse.cz>
7758
7759         * tree-optimize.c (execute_early_local_optimizations): Set
7760         cgraph_state only at first invocation.
7761
7762 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7763
7764         * system.h (-Wc++-compat): Activate as a warning, no an error.
7765
7766 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7767
7768         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
7769         instead of "#" in insn asm template.
7770         (*jcc_fused_2): Ditto.
7771
7772 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7773
7774         * config/i386/i386.h (ix86_tune_indices)
7775         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
7776         (TARGET_FUSE_CMP_AND_BRANCH): New define.
7777         * config/i386/i386.md (*jcc_fused_1): New insn pattern
7778         (*jcc_fused_2): Ditto.
7779         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
7780         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
7781         (print operand): Handle 'E' and 'e' code.
7782
7783 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
7784
7785         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
7786         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7787         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7788
7789 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
7790
7791         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
7792         node->decl.
7793         (cgraph_expand_function): Use local copy of decl.
7794         (cgraph_expand_all_functions): Remove redundant initialization of
7795         order_pos.
7796         (cgraph_optimize): Reword internal_error message.
7797
7798 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
7799
7800         * arm-protos.h (arm_return_in_memory): Remove public
7801         arm_return_in_memory() prototype.
7802         * arm.c (arm_return_in_memory): Add static prototype, add target
7803         hook macro, change definition and comments.
7804         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
7805
7806 2008-06-19  Ben Elliston  <bje@au.ibm.com>
7807
7808         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
7809         real.c: Remove references to IEEE 754R.
7810         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
7811         * doc/libgcc.texi (Decimal float library routines): Likewise.
7812
7813 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7814
7815         * targhooks.h (struct gcc_target): New member unwind_word_mode.
7816         (default_unwind_word_mode): Add prototype.
7817         * targhooks.c (default_unwind_word_mode): New function.
7818         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
7819         instead of word_mode.
7820         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
7821         (TARGET_INITIALIZER): Use it.
7822
7823         * c-common.c (handle_mode_attribute): Support "unwind_word"
7824         mode attribute.
7825         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
7826
7827         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
7828         word_mode to access SjLj_Function_Context member "data".
7829         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
7830         conversion from targetm.eh_return_filter_mode () to
7831         targetm.unwind_word_mode () if they differ.
7832
7833         * builtin-types.def (BT_UNWINDWORD): New primitive type.
7834         (BT_FN_UNWINDWORD_PTR): New function type.
7835         (BT_FN_WORD_PTR): Remove.
7836         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
7837         * except.c (expand_builtin_extend_pointer): Convert pointer to
7838         targetm.unwind_word_mode () instead of word_mode.
7839
7840         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
7841         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
7842         (spu_unwind_word_mode): New function.
7843         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
7844         (TARGET_UNWIND_WORD_MODE): Define.
7845         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
7846
7847 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7848
7849         * config/spu/spu.c (reg_align): Remove.
7850         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
7851         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
7852         (spu_split_store): Likewise.
7853
7854 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
7855
7856         * gcc/tree-vn.c: Fix typo in comment.
7857
7858 2008-06-18  Jan Hubicka  <jh@suse.cz>
7859
7860         * cgraphunit.c (cgraph_optimize): Output debug info when doing
7861         toplevel reorder too.
7862
7863 2008-06-18  Jan Hubicka  <jh@suse.cz>
7864
7865         * c-opts.c (c_common_post_options): PCH is not compatible with
7866         no-unit-at-a-time.
7867         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
7868         -fno-toplevel-reorder by default now.
7869
7870 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7871
7872         PR documentation/30739
7873         * doc/install.texi (Prerequisites): Document dependency on awk.
7874
7875 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
7876             Ian Lance Taylor  <iant@google.com>
7877
7878         PR rtl-optimization/35604
7879         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
7880         only want to change jump destinations, not eventual label comparisons.
7881
7882 2008-06-16  Jan Hubicka  <jh@suse.cz>
7883
7884         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
7885         syntax errors.
7886         (cgraph_analyze_function): Likewise.
7887
7888 2008-06-16  Jan Hubicka  <jh@suse.cz>
7889
7890         * cgraph.h (cgraph_mark_if_needed): New function.
7891         * cgraphunit.c (cgraph_mark_if_needed): New function.
7892         * c-decl.c (duplicate_decl): Use it.
7893
7894 2008-06-16  Jan Hubicka  <jh@suse.cz>
7895
7896         * cgraph.c (cgraph_add_new_function): When in expansion state, do
7897         lowering.
7898
7899 2008-06-16  Jan Hubicka  <jh@suse.cz>
7900
7901         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
7902
7903 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
7904             Kazu Hirata  <kazu@codesourcery.com>
7905             Maxim Kuvyrkov  <maxim@codesourcery.com
7906
7907         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
7908         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
7909         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
7910         EXTRA_SPEC_FUNCTIONS.
7911         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
7912         (DRIVER_SELF_SPECS): Adjust.
7913         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
7914         * config/mips/st.h, config/mips/t-st: New.
7915         * config/mips/driver-native.c, config/mips/x-native: New.
7916         * doc/invoke.texi (MIPS): Document 'native' value for -march and
7917         -mtune options.
7918
7919 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
7920
7921         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
7922         from it.
7923         (ISA_HAS_FP_CONDMOVE): New macro.
7924         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
7925         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
7926         (ISA_HAS_NMADD3_NMSUB3): New macro.
7927         * config/mips/mips.c (mips_rtx_costs): Update.
7928         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
7929         compiling for ST Loongson 2E/2F.
7930         (madd<mode>): Rename to madd4<mode>.  Update.
7931         (madd3<mode>): New pattern.
7932         (msub<mode>): Rename to msub4<mode>.  Update.
7933         (msub3<mode>): New pattern.
7934         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
7935         (nmadd3<mode>): New pattern.
7936         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
7937         (nmadd3<mode>_fastmath): New pattern.
7938         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
7939         (nmsub3<mode>): New pattern.
7940         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
7941         (nmsub3<mode>_fastmath): New pattern.
7942         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
7943
7944 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
7945
7946         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
7947         (DF_REF_INSN_INFO): New.
7948         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
7949         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
7950         with a NULL DF_REF_INSN_INFO.
7951         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
7952         DF_INSN_SET.
7953         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
7954         DF_INSN_INFO_EQ_USES): New.
7955         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
7956         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
7957         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
7958         * df-core.c: Update comment for above changes.
7959         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
7960         DF_INSN_UID_* macros.
7961         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
7962         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
7963         insn rtx.  Update all callers.
7964         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
7965         df_ref_create_structure, df_insn_refs_collect): Likewise.
7966         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
7967         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
7968         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
7969         macros to access the insn refs.
7970         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
7971         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
7972         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
7973         for accessing the refs.
7974         (try_fwprop_subst): Likewise.
7975         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
7976         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
7977         for accessing the refs.
7978         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
7979         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
7980         to look at the insn refs.
7981         (record_uses): Likewise.
7982         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
7983         function anymore.
7984         (mark_artificial_uses): Don't mark_insn for artificial refs.
7985         (mark_reg_rependencies): Likewise.
7986
7987         * doc/rtl.texi: Remove documentation of ADDRESSOF.
7988
7989 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7990
7991         * configure: Regenerate.
7992
7993 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
7994
7995         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
7996         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
7997         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
7998
7999 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8000
8001         * config/avr/avr.c (avr_mcu_t): Add attiny167.
8002         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8003         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8004
8005 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8006
8007         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
8008         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8009         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8010
8011 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8012
8013         * tree-ssa-sccvn.c: Fix format of comments.
8014
8015 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8016
8017         * cgraph.c: Remove unneeded forward declarations of eq_node()
8018         and hash_node().
8019
8020 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
8021
8022         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
8023         REG_RETVAL notes.
8024         (see_update_relevancy): Likewise.
8025         * fwprop.c (try_fwprop_subst): Likewise.
8026         * rtlanal.c (noop_move_p): Likewise.
8027         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
8028         notes to non-existing libcall blocks.
8029         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
8030         Remove orig_set.
8031         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
8032         (dead_libcall_p): Remove.
8033         (delete_trivially_dead_insns): Don't use it.
8034         * web.c (union_defs): Remove comment about keeping nops.
8035         * gcse.c (hash_scan_insn): Don't take libcall pointers.
8036         (compute_hash_table_work): Don't track libcall notes.
8037         (do_local_cprop): Don't take libcall pointers.  Don't update
8038         libcall notes.
8039         (adjust_libcall_notes): Deleted.
8040         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
8041         ever have existed in the first place).
8042         (replace_store_insn): Don't try to remove libcall notes.
8043         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
8044         (resolve_reg_notes): Don't call them.
8045         (resolve_simple_move): Likewise.
8046         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
8047         Don't remove REG_RETVAL notes.
8048         * emit-rtl.c (try_split): Don't update libcall notes.
8049         (emit_copy_of_insn_after): Dito.
8050         * cselib.c (cselib_current_insn_in_libcall): Remove.
8051         (cselib_process_insn): Don't set/clear it.
8052         (new_elt_loc_list): Don't record it.
8053         (cselib_init): Don't initialize it.
8054         * cselib.c (struct elt_loc_list): Remove in_libcall field.
8055         * loop-invariant.c (find_invariant_insn): Don't look for libcall
8056         notes.
8057         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
8058         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
8059         (init_deps): Don't initialize it.
8060         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
8061         * combine.c (delete_noop_moves): Don't update libcall notes.
8062         (can_combine_p): Remove now pointless #if 0 block.
8063         (try_combine): Remove another obsolete #if 0 block.
8064         (distribute_notes): Don't distribute libcall notes.
8065         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
8066         * dce.c (libcall_dead_p): Remove.
8067         (delete_unmarked_insns): Don't handle libcall blocks.
8068         (preserve_libcall_for_dce): Remove.
8069         (prescan_insns_for_dce): Don't special-case libcall block insns.
8070         * reload1 (reload): Don't handle libcall notes.
8071         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
8072         documentation.
8073
8074 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8075
8076         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
8077         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8078         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8079
8080 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8081
8082         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
8083         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8084         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8085
8086 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8087
8088         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
8089
8090 2008-06-16  Ira Rosen  <irar@il.ibm.com>
8091
8092         PR tree-optimization/36493
8093         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
8094         the arguments list. Use VECTYPE to create vector pointer.
8095         (vectorizable_store): Fail if accesses through a pointer to vectype
8096         do not alias the original memory reference operands.
8097         Call vect_create_data_ref_ptr without the removed argument.
8098         (vectorizable_load): Likewise.
8099         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
8100         removed argument.
8101
8102 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
8103
8104         PR target/36336
8105         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
8106         reg_equiv_constant.
8107
8108 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
8109
8110         * config/mips/loongson2ef.md: New file.
8111         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
8112         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
8113         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
8114         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
8115         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
8116         and loongson_2f.
8117         (loongson2ef.md): New include.
8118         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
8119         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
8120         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
8121         (loongson_gt_<mode>, loongson_extract_halfword)
8122         (loongson_insert_halfword_0, loongson_insert_halfword_2)
8123         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
8124         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
8125         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
8126         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
8127         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
8128         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
8129         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
8130         (vec_interleave_low<mode>): Define type attribute.
8131         * config/mips/mips.c (mips_ls2): New static variable.
8132         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
8133         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
8134         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
8135         Implement target scheduling hooks.
8136         (mips_multipass_dfa_lookahead): Update to handle tuning for
8137         Loongson 2E/2F.
8138         (mips_sched_init): Initialize data for Loongson scheduling.
8139         (mips_ls2_variable_issue): New static function.
8140         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
8141         Add sanity check.
8142         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
8143         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
8144         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
8145         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
8146         Handle ST Loongson 2E/2F cores.
8147         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
8148
8149 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8150
8151         * omp-low.c (extract_omp_for_data): Fix comment typo.
8152         * c.opt: Fix typo.
8153
8154 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8155
8156         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
8157         FIXME note about gcc/config.guess.
8158         * doc/options.texi (Option file format): Remove non-ASCII bytes.
8159         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
8160         * doc/cppopts.texi: Likewise.
8161         * doc/extend.texi: Likewise.
8162         * doc/gcc.texi: Likewise.
8163         * doc/gccint.texi: Likewise.
8164         * doc/gcov.texi: Likewise.
8165         * doc/gty.texi: Likewise.
8166         * doc/hostconfig.texi: Likewise.
8167         * doc/install.texi: Likewise.
8168         * doc/invoke.texi: Likewise.
8169         * doc/loop.texi: Likewise.
8170         * doc/makefile.texi: Likewise.
8171         * doc/md.texi: Likewise.
8172         * doc/passes.texi: Likewise.
8173         * doc/tm.texi: Likewise.
8174         * doc/tree-ssa.texi: Likewise.
8175         * doc/trouble.texi: Likewise.
8176
8177 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
8178             Nathan Sidwell  <nathan@codesourcery.com>
8179             Maxim Kuvyrkov  <maxim@codesourcery.com>
8180             Richard Sandiford  <rdsandiford@googlemail.com>
8181
8182         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
8183         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8184         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
8185         builtins.
8186         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8187         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8188         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8189         V8QImode cases.
8190         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8191         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8192         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8193         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8194         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8195         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8196         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8197         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8198         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8199         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8200         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8201         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8202         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8203         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8204         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8205         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8206         (mips_builtins): Add Loongson builtins.
8207         (mips_loongson_2ef_bdesc): New.
8208         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8209         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8210         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8211         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8212         New.
8213         (mips_expand_vector_init): New.
8214         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8215         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8216         if appropriate.
8217         * config/mips/mips.md: Add unspec numbers for Loongson
8218         builtins.  Include loongson.md.
8219         (MOVE64): Include Loongson vector modes.
8220         (SPLITF): Include Loongson vector modes.
8221         (HALFMODE): Handle Loongson vector modes.
8222         * config/mips/loongson.md: New.
8223         * config/mips/loongson.h: New.
8224         * config.gcc: Add loongson.h header for mips*-*-* targets.
8225         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8226
8227 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8228
8229         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8230         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8231         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8232         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8233         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8234         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8235         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8236         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8237         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8238         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8239         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8240         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8241         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8242         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8243         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8244         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8245         Remove use_fixproto=yes.
8246         (ia64*-*-hpux*): Remove comment about using fixproto.
8247         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8248
8249 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8250
8251         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8252         library rebuilds.
8253         * configure: Regenerate.
8254
8255 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8256
8257         PR middle-end/36520
8258         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8259         before evaluating it.
8260
8261 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8262
8263         PR c/36507
8264         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8265         nested inline functions.
8266         (start_decl, start_function): Don't invert DECL_EXTERNAL
8267         for nested inline functions.
8268
8269 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8270
8271         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8272         splits that must be made for correctness.
8273
8274 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8275
8276         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8277         (AVAIL_NON_MIPS16): Likewise.
8278         (mips_builtin_description): Replace target_flags with a predicate.
8279         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8280         (dspr2_32): New availability predicates.
8281         (MIPS_BUILTIN): New macro.
8282         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8283         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8284         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8285         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8286         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8287         (mips_dsp_32only_bdesc): Merge into...
8288         (mips_builtins): ...this new array.
8289         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8290         (mips_init_builtins): Update after above changes.
8291         (mips_expand_builtin_1): Merge into...
8292         (mips_expand_builtin): ...here and update after above changes.
8293
8294 2008-06-12  Paul Brook  <paul@codesourcery.com>
8295
8296         * longlong.h (__arm__): Define count_leading_zeros.
8297         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8298         (clzsi2, clzdi2): New functions.
8299         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8300         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8301         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8302         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8303         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8304         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8305         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8306         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8307         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8308         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8309
8310 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8311
8312         * config/m68k/m68k.c (m68k_tune_flags): New.
8313         (override_options): Compute m68k_tune_flags.
8314         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8315         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8316
8317 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8318
8319         PR middle-end/36506
8320         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8321
8322 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8323
8324         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8325         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8326
8327 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8328
8329         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8330         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8331
8332 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8333
8334         PR middle-end/36506
8335         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8336         reductions.
8337
8338 2008-06-12  Richard Guenther  <rguenther@suse.de>
8339
8340         PR tree-optimization/36345
8341         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8342         add memory_tag_needed flag.
8343         (may_alias_p): Declare.
8344         * tree-ssa-alias.c (may_alias_p): Export.
8345         (set_initial_properties): Use memory_tag_needed flag.
8346         (update_reference_counts): Likewise.
8347         (reset_alias_info): Reset memory_tag_needed flag.
8348         (create_name_tags): Check memory_tag_needed flag.
8349         (dump_points_to_info_for): Dump it.
8350         * tree-ssa-structalias.c (struct variable_info): Remove
8351         directly_dereferenced flag.
8352         (new_var_info): Do not initialize it.
8353         (process_constraint_1): Do not set it.
8354         (update_alias_info): Set is_dereferenced flag.
8355         (set_uids_in_ptset): Use may_alias_p.
8356         (set_used_smts): Check memory_tag_needed flag.
8357         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8358         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8359         memory_tag_needed flag.
8360         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8361         from broken design.
8362
8363 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8364
8365         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8366         red zone for w64 abi.
8367         (ix86_expand_prologue): Likewise.
8368         (ix86_force_to_memory): Likewise.
8369         (ix86_free_from_memory): Likewise.
8370
8371 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8372
8373         PR target/36425
8374         * config/rs6000/rs6000.c (rs6000_override_options): Set
8375         rs6000_isel conditionally to the absence of comand line override.
8376         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8377         Remove duplicate rs6000_isel setting.
8378         * config/rs6000/eabispe.h: Ditto.
8379
8380 2008-06-11  Richard Guenther  <rguenther@suse.de>
8381
8382         * alias.c (get_alias_set): Use the element alias-set for arrays.
8383         (record_component_aliases): For arrays and vectors do nothing.
8384         * c-common.c (strict_aliasing_warning): Handle the cases
8385         of alias set zero explicitly.
8386         * Makefile.in (dfp.o-warn): Add -Wno-error.
8387
8388 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8389
8390         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8391         tune_32 tune_64.
8392         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
8393         tune_32 tune_64 to supported_defaults.  Allow values not
8394         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
8395         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
8396         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
8397         with_cpu_64 to generic for 64-bit-supporting configurations, not
8398         with_cpu.  Remove FIXMEs.
8399         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
8400         --with-arch-64, --with-tune-32, --with-tune-64): Document.
8401         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
8402         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
8403         arch_32 and arch_64.
8404
8405 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
8406             Olivier Hainque  <hainque@adacore.com>
8407
8408         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
8409         Use DECL_SIZE_UNIT to retrieve the size of the field.
8410
8411 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8412
8413         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
8414         with function calls after declarations.  Lay out
8415         neon_float_type_node before further use.
8416
8417 2008-06-11  Richard Guenther  <rguenther@suse.de>
8418
8419         * tree-flow.h (may_point_to_global_var): Declare.
8420         * tree-ssa-alias.c (may_point_to_global_var): New function.
8421         * tree-ssa-sink.c (is_hidden_global_store): Use it.
8422
8423 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
8424
8425         * configure.ac: Teach that fido supports .debug_line.
8426         * configure: Regenerate.
8427
8428 2008-06-10  Tom Tromey  <tromey@redhat.com>
8429
8430         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
8431         debug hook.
8432
8433 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8434
8435         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
8436         (encode_decimal64, decode_decimal64, encode_decimal128,
8437         decode_decimal128): Reverse order of 32-bit parts of value if host
8438         and target endianness differ.
8439
8440 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
8441
8442         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
8443         Avoid division by 0.
8444         (tree_mod_pow2_value_transform): Likewise.
8445         (tree_ic_transform): Likewise.
8446         (tree_stringops_transform): Likewise.
8447         (tree_mod_subtract_transform): Likewise.
8448         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
8449         (copy_edges_for_bb): Likewise.
8450         (initialize_cfun): Likewise.
8451
8452 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8453
8454         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
8455         nonmemory_operand. Add "N" operand constraint.
8456         (*btsi): Ditto.
8457         (*jcc_btdi_mask_rex64): New instruction and split pattern.
8458         (*jcc_btsi_mask): Ditto.
8459         (*jcc_btsi_mask_1): Ditto.
8460
8461 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8462
8463         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
8464         TYPE_CANONICAL for copied element type.
8465
8466 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8467
8468         PR target/36473
8469         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
8470         Add m_CORE2 and m_GENERIC.
8471         * config/i386/predicates.md (bt_comparison_operator): New predicate.
8472         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
8473         (*btsi): Ditto.
8474         (*jcc_btdi_rex64): New instruction and split pattern.
8475         (*jcc_btsi): Ditto.
8476         (*jcc_btsi_1): Ditto.
8477         (*btsq): Fix Intel asm dialect operand order.
8478         (*btrq): Ditto.
8479         (*btcq): Ditto.
8480
8481 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
8482
8483         PR middle-end/36447
8484         * simplify-rtx.c (simplify_subreg): Add check for shift count
8485         greater than size.
8486
8487 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
8488
8489         * doc/md.texi: Synchronize with later constraints.md change.
8490         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
8491         with a C implementation.
8492         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
8493         MFLO handling.
8494         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
8495         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
8496         when moving to and from MD_REGNUM.
8497         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
8498         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
8499         Handle byte and halfword moves.
8500         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
8501         separately.
8502         * config/mips/constraints.md (h): Turn into NO_REGS.
8503         (l, x): Update documentation.
8504         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
8505         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
8506         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
8507         (HILO): New mode iterator.
8508         (MOVE128): Add TI.
8509         (any_div): New code iterator.
8510         (u): Extend code attribute to div and udiv.
8511         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
8512         d_operand in the splitters.  Remove redundant CONST_INT checks.
8513         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
8514         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
8515         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
8516         accordingly, using normal moves instead of unspecs to move LO into
8517         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
8518         (<u>mulsidi3): Handle expansion in C code.
8519         (<u>mulsidi3_32bit_internal): Rename to...
8520         (<u>mulsidi3_32bit): ...this.
8521         (<u>mulsidi3_32bit_r4000): Fix insn separator.
8522         (*<u>mulsidi3_64bit): Rename to...
8523         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
8524         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
8525         to set LO and HI to the multiplication result.  Use a normal move
8526         for MFLO and an unspec for MFHI.
8527         (*<u>mulsidi3_64bit_parts): Replace with...
8528         (<u>mulsidi3_64bit_hilo): ...this new instruction.
8529         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
8530         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
8531         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
8532         instead of HI.  Split the instruction into a separate multiplication
8533         and MFHI if !TARGET_FIX_R4000.
8534         (<su>muldi3_highpart): Likewise.
8535         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
8536         and the "=h" clobber.
8537         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
8538         (<u>mulditi3): New expander.
8539         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
8540         (madsi): Remove "=h" clobber.
8541         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
8542         Force the modulus result to be a GPR and split the instruction into
8543         a division followed by an MFHI after reload.
8544         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
8545         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
8546         the MIPS16 HIGH define_split.
8547         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
8548         of acc<->gpr moves to "multi".
8549         (*movdi_64bit): Replace the single "x" alternative with
8550         alternatives for moving into and out of "a".
8551         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
8552         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
8553         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
8554         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
8555         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
8556         (movti): New expander.
8557         (*movti, *movti_mips16): New insns.
8558         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
8559         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
8560         (mthi<GPR:mode>_<HILO:mode>): Likewise.
8561         * config/mips/predicates.md (fpr_operand): Delete.
8562         (d_operand): New predicate.
8563
8564 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
8565
8566         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
8567         failure on some Bourne shells.
8568         (x86_64-*-*): Ditto.
8569
8570 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
8571
8572         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
8573
8574 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8575
8576         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
8577         (sparc-sun-solaris2*): Likewise.
8578
8579 2008-06-09  Arnaud Charlet  <charlet@adacore.com
8580
8581         * doc/install.texi: Update requirements to build the Ada compiler.
8582
8583 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8584
8585         * df-scan.c (struct df_scan_problem_data): Remove the
8586         mw_link_pool alloc pool.
8587         (df_scan_free_internal): Don't free it.
8588         (df_scan_alloc): Don't allocate it.
8589         * df.h (struct df_link): Update comment.
8590
8591 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
8592
8593         * except.h: Correct checks for when SJLJ exceptions must be used.
8594
8595 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8596
8597         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
8598         default.
8599
8600 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
8601
8602         PR tree-optimization/36218
8603         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
8604         configure for the build system.
8605         (BUILD_LDFLAGS): Define.
8606         * configure: Regenerate.
8607         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
8608
8609 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
8610
8611         PR target/36424
8612         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
8613         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
8614         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
8615
8616 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
8617
8618         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
8619
8620 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
8621
8622         * config.gcc (Obsolete configurations): Remove list of
8623         configurations.
8624         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
8625         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
8626         targets matched by those patterns.
8627         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
8628         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
8629         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
8630         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
8631         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8632         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
8633         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
8634         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
8635         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
8636         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
8637         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
8638         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
8639         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
8640         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
8641         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
8642         Make code for Solaris 7 and greater unconditional for Solaris.
8643         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
8644         Remove --with-* handling.
8645         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
8646         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
8647         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
8648         LINK_OS_WINDISS_SPEC): Remove.
8649         * config/rs6000/sysv4.opt (mwindiss): Remove.
8650         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
8651         * configure: Regenerate.
8652         * doc/cpp.texi: Don't mention BeOS.
8653         * doc/extend.texi (interrupt): Don't mention MS1.
8654         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
8655         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
8656         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
8657         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
8658         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
8659         Remove.
8660         * doc/invoke.texi (MT Options): Remove.
8661         (-mwindiss): Remove.
8662         (CRIS Options): Remove cris-axis-aout references.
8663         (HPPA Options): Don't mention hppa1.1-*-pro.
8664         * doc/md.texi: (MorphoTech family): Remove.
8665         * libgcc2.c: Don't handle UWIN.
8666         * config/alpha/t-unicosmk: Remove.
8667         * config/alpha/unicosmk.h: Remove.
8668         * config/arm/kaos-arm.h: Remove.
8669         * config/arm/kaos-strongarm.h: Remove.
8670         * config/arm/strongarm-coff.h: Remove.
8671         * config/arm/strongarm-elf.h: Remove.
8672         * config/arm/strongarm-pe.h: Remove.
8673         * config/arm/t-strongarm-pe: Remove.
8674         * config/arm/t-xscale-coff: Remove.
8675         * config/arm/t-xscale-elf: Remove.
8676         * config/arm/xscale-coff.h: Remove.
8677         * config/arm/xscale-elf.h: Remove.
8678         * config/chorus.h: Remove.
8679         * config/cris/aout.h: Remove.
8680         * config/cris/aout.opt: Remove.
8681         * config/cris/t-aout: Remove.
8682         * config/i386/beos-elf.h: Remove.
8683         * config/i386/kaos-i386.h: Remove.
8684         * config/i386/ptx4-i.h: Remove.
8685         * config/i386/sco5.h: Remove.
8686         * config/i386/sco5.opt: Remove.
8687         * config/i386/sysv4-cpp.h: Remove.
8688         * config/i386/sysv5.h: Remove.
8689         * config/i386/t-beos: Remove.
8690         * config/i386/t-sco5: Remove.
8691         * config/i386/t-uwin: Remove.
8692         * config/i386/uwin.asm: Remove.
8693         * config/i386/uwin.h: Remove.
8694         * config/kaos.h: Remove.
8695         * config/mips/windiss.h: Remove.
8696         * config/mt: Remove directory.
8697         * config/pa/pa-osf.h: Remove.
8698         * config/pa/pa-pro-end.h: Remove.
8699         * config/pa/t-pro: Remove.
8700         * config/ptx4.h: Remove.
8701         * config/rs6000/beos.h: Remove.
8702         * config/rs6000/kaos-ppc.h: Remove.
8703         * config/rs6000/t-beos: Remove.
8704         * config/rs6000/windiss.h: Remove.
8705         * config/sh/kaos-sh.h: Remove.
8706         * config/sol2-6.h: Remove.
8707         * config/sparc/sol26-sld.h: Remove.
8708         * config/sparc/sysv4-only.h: Remove.
8709         * config/vax/bsd.h: Remove.
8710         * config/vax/t-memfuncs: Remove.
8711         * config/vax/ultrix.h: Remove.
8712         * config/vax/vaxv.h: Remove.
8713         * config/windiss.h: Remove.
8714
8715 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
8716
8717         PR rtl-optimization/36438
8718         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
8719         for vector shifts with constant scalar shift operands.
8720
8721 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
8722
8723         * doc/invoke.texi: Document -march=xlr.
8724         * config/mips/xlr.md: New file.
8725         * config/mips/mips.md: Include it.
8726         (cpu): Add "xlr".
8727         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
8728         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
8729         (mips_rtx_cost_data): Likewise.
8730
8731 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
8732
8733         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
8734         PRE_INC and PRE_DEC cases.
8735
8736 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8737
8738         PR rtl-optimization/36419
8739         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
8740         the emitting jump insn.
8741
8742         PR target/36362
8743         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
8744         is not bool, boolify the whole *expr_p and convert to the desired type.
8745
8746 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8747
8748         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
8749         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
8750         Add omp_private_outer_ref hook, add another argument to
8751         omp_clause_default_ctor hook.
8752         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
8753         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
8754         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
8755         hook_tree_tree_tree_tree_null.
8756         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
8757         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
8758         * hooks.c (hook_tree_tree_tree_tree_null): New function.
8759         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
8760         * tree.def (OMP_TASK): New tree code.
8761         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
8762         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
8763         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
8764         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
8765         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
8766         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
8767         OMP_CLAUSE_COLLAPSE_EXPR): Define.
8768         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8769         (OMP_DIRECTIVE_P): Add OMP_TASK.
8770         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
8771         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
8772         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
8773         and OMP_CLAUSE_UNTIED entries.
8774         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
8775         num_ops to 2.
8776         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8777         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
8778         * tree-pretty-print.c (dump_omp_clause): Handle
8779         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
8780         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8781         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
8782         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
8783         warning about unsigned iterators.  Change decl/init/cond/incr
8784         arguments to TREE_VECs, check arguments for all collapsed loops.
8785         (c_finish_omp_taskwait): New function.
8786         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
8787         ws_clauses.
8788         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
8789         default_function_array_conversion on init.  Add par_clauses argument.
8790         If decl is present in parallel's lastprivate clause, change it to
8791         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
8792         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
8793         collapse count in clauses.
8794         (c_parser_omp_for, c_parser_omp_parallel): Adjust
8795         c_parser_omp_for_loop callers.
8796         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
8797         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
8798         (c_parser_omp_clause_name): Handle collapse and untied clauses.
8799         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
8800         functions.
8801         (c_parser_omp_clause_schedule): Handle schedule(auto).
8802         Include correct location in the error message.
8803         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
8804         and PRAGMA_OMP_CLAUSE_UNTIED.
8805         (OMP_TASK_CLAUSE_MASK): Define.
8806         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
8807         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
8808         * tree-nested.c (convert_nonlocal_omp_clauses,
8809         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
8810         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
8811         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8812         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
8813         OMP_CLAUSE_DECL.
8814         (conver_nonlocal_reference, convert_local_reference,
8815         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
8816         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
8817         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
8818         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
8819         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
8820         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
8821         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
8822         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
8823         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8824         OMP_CLAUSE_UNTIED.
8825         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
8826         * c-common.h (c_finish_omp_taskwait): New prototype.
8827         * gimple-low.c (lower_stmt): Handle OMP_TASK.
8828         * tree-parloops.c (create_parallel_loop): Create 1 entry
8829         vectors for OMP_FOR_{INIT,COND,INCR}.
8830         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
8831         (make_edges): Handle OMP_TASK.
8832         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
8833         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8834         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
8835         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
8836         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
8837         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8838         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8839         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
8840         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
8841         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
8842         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
8843         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
8844         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
8845         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
8846         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
8847         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
8848         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
8849         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
8850         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
8851         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
8852         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
8853         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
8854         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
8855         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
8856         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
8857         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
8858         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
8859         original iterator is present in lastprivate clause or if
8860         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
8861         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8862         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
8863         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
8864         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
8865         if it is set, lookup var in outer contexts too.  Handle
8866         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
8867         to be implicitly determined firstprivate for task regions.
8868         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
8869         if it is set, lookup var in outer contexts too.  Set
8870         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
8871         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
8872         OMP_CLAUSE_UNTIED.  Take region_type as last argument
8873         instead of in_parallel and in_combined_parallel.
8874         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8875         Adjust callers.
8876         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
8877         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
8878         (new_omp_context): Set default_kind to
8879         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
8880         (omp_region_type): New enum.
8881         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
8882         fields, add region_type.
8883         (new_omp_context): Take region_type as argument instead of is_parallel
8884         and is_combined_parallel.
8885         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
8886         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
8887         ctx->is_combined_parallel checks.
8888         (gimplify_omp_task): New function.
8889         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8890         OMP_CLAUSE_UNTIED.
8891         * omp-low.c (extract_omp_for_data): Use schedule(static)
8892         for schedule(auto).  Handle pointer and unsigned iterators.
8893         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
8894         Add loops argument.  Extract data for collapsed OMP_FOR loops.
8895         (expand_parallel_call): Assert sched_kind isn't auto,
8896         map runtime schedule to index 3.
8897         (struct omp_for_data_loop): New type.
8898         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
8899         Add loop, loops, collapse and iter_type fields.
8900         (workshare_safe_to_combine_p): Disallow combined for if
8901         iter_type is unsigned long long.  Don't combine collapse > 1 loops
8902         unless all bounds and steps are constant.  Adjust extract_omp_for_data
8903         caller.
8904         (expand_omp_for_generic): Handle pointer, unsigned and long long
8905         iterators.  Handle collapsed OMP_FOR loops.  Adjust
8906         for struct omp_for_data changes.  If libgomp function doesn't return
8907         boolean_type_node, add comparison of the return value with 0.
8908         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
8909         pointer, unsigned and long long iterators.  Adjust for struct
8910         omp_for_data changes.
8911         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
8912         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
8913         unsigned long long.  Allocate loops array, pass it to
8914         extract_omp_for_data.  For collapse > 1 loops use always
8915         expand_omp_for_generic.
8916         (omp_context): Add sfield_map and srecord_type fields.
8917         (is_task_ctx, lookup_sfield): New functions.
8918         (use_pointer_for_field): Use is_task_ctx helper.  Change first
8919         argument's type from const_tree to tree.  Clarify comment.
8920         In OMP_TASK disallow copy-in/out sharing.
8921         (build_sender_ref): Call lookup_sfield instead of lookup_field.
8922         (install_var_field): Add mask argument.  Populate both record_type
8923         and srecord_type if needed.
8924         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
8925         in srecord_type.
8926         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
8927         and DECL_FIELD_OFFSET.
8928         (scan_sharing_clauses): Adjust install_var_field callers.  For
8929         firstprivate clauses on explicit tasks allocate the var by value in
8930         record_type unconditionally, rather than by reference.
8931         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
8932         Use is_taskreg_ctx instead of is_parallel_ctx.
8933         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8934         (create_omp_child_function_name): Add task_copy argument, use
8935         *_omp_cpyfn* names if it is true.
8936         (create_omp_child_function): Add task_copy argument, if true create
8937         *_omp_cpyfn* helper function.
8938         (scan_omp_parallel): Adjust create_omp_child_function callers.
8939         Rename parallel_nesting_level to taskreg_nesting_level.
8940         (scan_omp_task): New function.
8941         (lower_rec_input_clauses): Don't run constructors for firstprivate
8942         explicit task vars which are initialized by *_omp_cpyfn*.
8943         Pass outer var ref to omp_clause_default_ctor hook if
8944         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
8945         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
8946         OMP_CLAUSE_REDUCTION_INIT.
8947         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
8948         avoid duplicate setting of fields.  Handle
8949         OMP_CLAUSE_PRIVATE_OUTER_REF.
8950         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
8951         copy-out if TREE_READONLY, only copy-in.
8952         (expand_task_copyfn): New function.
8953         (expand_task_call): New function.
8954         (struct omp_taskcopy_context): New type.
8955         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
8956         New functions.
8957         (lower_omp_parallel): Rename to...
8958         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8959         Call create_task_copyfn if srecord_type is needed.  Adjust
8960         sender_decl type.
8961         (task_shared_vars): New variable.
8962         (check_omp_nesting_restrictions): Warn if work-sharing,
8963         barrier, master or ordered region is closely nested inside OMP_TASK.
8964         Add warnings for barrier if closely nested inside of work-sharing,
8965         ordered, or master region.
8966         (scan_omp_1): Call check_omp_nesting_restrictions even for
8967         GOMP_barrier calls.  Rename parallel_nesting_level to
8968         taskreg_nesting_level.  Handle OMP_TASK.
8969         (lower_lastprivate_clauses): Even if some lastprivate is found on a
8970         work-sharing construct, continue looking for them on parent parallel
8971         construct.
8972         (lower_omp_for_lastprivate): Add lastprivate clauses
8973         to the beginning of dlist rather than end.  Adjust for struct
8974         omp_for_data changes.
8975         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
8976         not after it.  Handle collapsed OMP_FOR loops, adjust for
8977         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
8978         (get_ws_args_for): Adjust extract_omp_for_data caller.
8979         (scan_omp_for): Handle collapsed OMP_FOR
8980         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8981         (lower_omp_single_simple): If libgomp function doesn't return
8982         boolean_type_node, add comparison of the return value with 0.
8983         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
8984         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
8985         (parallel_nesting_level): Rename to...
8986         (taskreg_nesting_level): ... this.
8987         (is_taskreg_ctx): New function.
8988         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
8989         of is_parallel_ctx.
8990         (execute_lower_omp): Rename parallel_nesting_level to
8991         taskreg_nesting_level.
8992         (expand_omp_parallel): Rename to...
8993         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8994         Call omp_task_call for OMP_TASK regions.
8995         (expand_omp): Adjust caller, handle OMP_TASK.
8996         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
8997
8998         * bitmap.c (bitmap_default_obstack_depth): New variable.
8999         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
9000         if argument is NULL and bitmap_default_obstack is already initialized.
9001         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
9002         at the end.
9003         * matrix-reorg.c (matrix_reorg): Likewise.
9004
9005 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
9006
9007         * config/i386/i386.md (*indirect_jump): Macroize using P
9008         mode iterator.  Remove !TARGET_64BIT from insn constraints.
9009         (*tablejump_1): Ditto.
9010         (*indirect_jump_rex64): Remove insn pattern.
9011         (*tablejump_1_rex64): Ditto.
9012         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
9013         and eh_return_si insn patterns.
9014
9015 2008-06-06  Richard Guenther  <rguenther@suse.de>
9016
9017         * tree-ssa-structalias.c (merge_smts_into): Remove.
9018         (find_what_p_points_to): Do not bother to compute the
9019         points-to set for pt_anything pointers.
9020         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
9021         for pt_anything pointers is ok.
9022
9023 2008-06-06  Jan Hubicka  <jh@suse.cz>
9024
9025         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
9026
9027 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9028
9029         * cgraph.c: Fix typos in comments.
9030         (cgraph_availability_names): Fix string typo.
9031         * fold-const.c: Fix typos in comments.
9032         (fold_binary): Fix typo in warning.
9033         * genautomata.c: Fix typos in comments.
9034         (check_presence_pattern_sets): Fix typo in local variable.
9035         (output_description): Fix typo in output.
9036         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
9037         * hwint.h: Likewise.
9038         * matrix-reorg.c (check_allocation_function): Likewise.
9039         * omega.c (smooth_weird_equations): Likewise.
9040         * auto-inc-dec.c: Fix typos in comments.
9041         * bb-reorder.c: Likewise.
9042         * builtins.c: Likewise.
9043         * c-common.c: Likewise.
9044         * c-cppbuiltin.c: Likewise.
9045         * c-parser.c: Likewise.
9046         * c-pretty-print.c: Likewise.
9047         * cfgcleanup.c: Likewise.
9048         * cfgexpand.c: Likewise.
9049         * cfghooks.c: Likewise.
9050         * cfglayout.c: Likewise.
9051         * cfgloopmanip.c: Likewise.
9052         * cgraphunit.c: Likewise.
9053         * coverage.c: Likewise.
9054         * dbxout.c: Likewise.
9055         * df-byte-scan.c: Likewise.
9056         * df-core.c: Likewise.
9057         * df-problems.c: Likewise.
9058         * df-scan.c: Likewise.
9059         * dfp.c: Likewise.
9060         * dominance.c: Likewise.
9061         * domwalk.c: Likewise.
9062         * dse.c: Likewise.
9063         * dwarf2out.c: Likewise.
9064         * emit-rtl.c: Likewise.
9065         * et-forest.c: Likewise.
9066         * function.c: Likewise.
9067         * function.h: Likewise.
9068         * gcc.c: Likewise.
9069         * gcov-io.c: Likewise.
9070         * gcov.c: Likewise.
9071         * gcse.c: Likewise.
9072         * genattrtab.c: Likewise.
9073         * ggc-page.c: Likewise.
9074         * gimplify.c: Likewise.
9075         * gthr-lynx.h: Likewise.
9076         * haifa-sched.c: Likewise.
9077         * ipa-cp.c: Likewise.
9078         * ipa-inline.c: Likewise.
9079         * ipa-prop.h: Likewise.
9080         * ipa-pure-const.c: Likewise.
9081         * ipa-struct-reorg.c: Likewise.
9082         * ipa-struct-reorg.h: Likewise.
9083         * ipa-type-escape.c: Likewise.
9084         * ipa.c: Likewise.
9085         * loop-doloop.c: Likewise.
9086         * mips-tfile.c: Likewise.
9087         * mkmap-flat.awk: Likewise.
9088         * mkmap-symver.awk: Likewise.
9089         * modulo-sched.c: Likewise.
9090         * omp-low.c: Likewise.
9091         * optabs.c: Likewise.
9092         * optabs.h: Likewise.
9093         * opts.c: Likewise.
9094         * passes.c: Likewise.
9095         * postreload-gcse.c: Likewise.
9096         * postreload.c: Likewise.
9097         * predict.c: Likewise.
9098         * pretty-print.h: Likewise.
9099         * profile.c: Likewise.
9100         * protoize.c: Likewise.
9101         * ra-conflict.c: Likewise.
9102         * real.c: Likewise.
9103         * recog.c: Likewise.
9104         * regclass.c: Likewise.
9105         * regs.h: Likewise.
9106         * reload.c: Likewise.
9107         * rtl-error.c: Likewise.
9108         * rtlanal.c: Likewise.
9109         * scan.h: Likewise.
9110         * sched-rgn.c: Likewise.
9111         * see.c: Likewise.
9112         * stmt.c: Likewise.
9113         * target.h: Likewise.
9114         * tree-dfa.c: Likewise.
9115         * tree-eh.c: Likewise.
9116         * tree-flow-inline.h: Likewise.
9117         * tree-inline.c: Likewise.
9118         * tree-into-ssa.c: Likewise.
9119         * tree-loop-distribution.c: Likewise.
9120         * tree-nested.c: Likewise.
9121         * tree-parloops.c: Likewise.
9122         * tree-pass.h: Likewise.
9123         * tree-pretty-print.c: Likewise.
9124         * tree-profile.c: Likewise.
9125         * tree-scalar-evolution.c: Likewise.
9126         * tree-sra.c: Likewise.
9127         * tree-ssa-alias-warnings.c: Likewise.
9128         * tree-ssa-ccp.c: Likewise.
9129         * tree-ssa-coalesce.c: Likewise.
9130         * tree-ssa-dom.c: Likewise.
9131         * tree-ssa-dse.c: Likewise.
9132         * tree-ssa-forwprop.c: Likewise.
9133         * tree-ssa-live.c: Likewise.
9134         * tree-ssa-live.h: Likewise.
9135         * tree-ssa-loop-im.c: Likewise.
9136         * tree-ssa-loop-ivopts.c: Likewise.
9137         * tree-ssa-loop-niter.c: Likewise.
9138         * tree-ssa-loop-prefetch.c: Likewise.
9139         * tree-ssa-phiopt.c: Likewise.
9140         * tree-ssa-phiprop.c: Likewise.
9141         * tree-ssa-sccvn.c: Likewise.
9142         * tree-ssa-ter.c: Likewise.
9143         * tree-ssa-threadupdate.c: Likewise.
9144         * tree-ssa.c: Likewise.
9145         * tree-vect-analyze.c: Likewise.
9146         * tree-vect-transform.c: Likewise.
9147         * tree-vectorizer.c: Likewise.
9148         * tree-vn.c: Likewise.
9149         * tree-vrp.c: Likewise.
9150         * tree.c: Likewise.
9151         * tree.def: Likewise.
9152         * tree.h: Likewise.
9153         * unwind-dw2-fde.c: Likewise.
9154         * unwind.inc: Likewise.
9155         * value-prof.c: Likewise.
9156         * vmsdbgout.c: Likewise.
9157
9158 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
9159
9160         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
9161         always place FP constants in the TOC for TARGET_POWERPC64.
9162         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
9163
9164 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
9165
9166         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
9167         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
9168         enable for TARGET_E500_DOUBLE.
9169         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
9170         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
9171         floating-point modes like integer modes for E500 double.
9172         (rs6000_legitimate_offset_address_p): Likewise.
9173         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
9174         addressing for DDmode for E500 double.
9175         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
9176         modes as using 64-bits of registers for E500 double.
9177         (spe_build_register_parallel): Do not handle DDmode or TDmode.
9178         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
9179         specially for E500 double.
9180         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
9181         TDmode for E500 double.
9182         (rs6000_gimplify_va_arg): Only handle SDmode in registers
9183         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
9184         (rs6000_split_multireg_move): Do not handle TDmode specially for
9185         E500 double.
9186         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9187         using 64-bit registers for E500 double.
9188         (emit_frame_save): Do not handle DDmode specially for E500 double.
9189         (gen_frame_mem_offset): Likewise.
9190         (rs6000_function_value): Do not call spe_build_register_parallel
9191         for DDmode or TDmode.
9192         (rs6000_libcall_value): Likewise.
9193         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9194         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9195         for E500 double.
9196
9197 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9198
9199         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9200         in comments.
9201
9202 2008-06-04  Junjie Gu <jgu@tensilica.com>
9203
9204         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9205         comparison for frame pointers.
9206
9207 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9208
9209         PR target/27386
9210         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9211
9212 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9213
9214         PR target/30243
9215         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9216         register is already smaller or equal to required mode.
9217
9218 2008-06-04  Xinliang David Li  <davidxl@google.com>
9219
9220         * tree-call-cdce.c: New file.
9221         (cond_dead_built_in_calls): New static variable.
9222         (input_domain): New struct.
9223         (check_pow): New function.
9224         (check_builtin_call): Ditto.
9225         (check_target_format): Ditto.
9226         (is_call_dce_candidate): Ditto.
9227         (gen_one_condition): Ditto.
9228         (gen_conditions_for_domain): Ditto.
9229         (get_domain): Ditto.
9230         (gen_conditions_for_pow_cst_base): Ditto.
9231         (gen_conditions_for_pow_int_base): Ditto.
9232         (gen_conditions_for_pow): Ditto.
9233         (get_no_error_domain): Ditto.
9234         (gen_shrink_wrap_conditions): Ditto.
9235         (shrink_wrap_one_built_in_call): Ditto.
9236         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9237         (tree_call_cdce): Ditto.
9238         (gate_call_cdce): Ditto.
9239         (pass_call_cdce): New gimple pass.
9240         * passes.c: (init_optimization_passes): New pass.
9241         * tree-pass.h: New pass declaration.
9242         * opts.c (decode_options): New flag setting.
9243         * common.opt: Add -ftree-builtin-call-dce flag.
9244         * Makefile.in: Add new source file.
9245         * tempvar.def: New tv_id.
9246         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9247
9248 2008-06-04  Richard Guenther  <rguenther@suse.de>
9249
9250         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9251         (is_call_clobbered): Always check var_ann->call_clobbered.
9252         (mark_call_clobbered): Always set var_ann->call_clobbered.
9253         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9254         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9255         (reset_alias_info): Clear call clobbering info on MTAGs and
9256         globals as well.
9257         (set_pt_anything): Set pt_global_mem.
9258         (create_tag_raw): Adjust comment.
9259         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9260
9261 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9262             Maxim Kuvyrkov  <maxim@codesourcery.com>
9263
9264         * config/m68k/m68k.opt (mxgot): New option.
9265         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9266         (m68k_output_addr_const_extra): New.
9267         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9268         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9269         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9270         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9271
9272 2008-06-04  Richard Guenther  <rguenther@suse.de>
9273
9274         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9275         negative or non-representable offsets.
9276
9277 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9278
9279         * config/i386/i386.c (ix86_gen_leave): New.
9280         (ix86_gen_pop1): Likewise.
9281         (ix86_gen_add3): Likewise.
9282         (ix86_gen_sub3): Likewise.
9283         (ix86_gen_sub3_carry): Likewise.
9284         (ix86_gen_one_cmpl2): Likewise.
9285         (ix86_gen_monitor): Likewise.
9286         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9287         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9288         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9289         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9290         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9291         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9292         (ix86_expand_epilogue): Updated.
9293         (print_operand): Handle integer register operand for 'z'.
9294         (ix86_expand_strlensi_unroll_1): Likewise.
9295         (ix86_expand_strlen): Likewise.
9296         (ix86_expand_builtin): Likewise.
9297         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9298         mov{q}/mov{l} and add{q}/add{l}.
9299
9300 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9301
9302         * config/i386/i386.md (P): New mode iterator.
9303         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9304         using P mode iterator.
9305         (DFmode push_operand splitter): Ditto.
9306         (XFmode push_operand splitter): Ditto.
9307         (DFmode float_extend SFmode push_operand splitter): Ditto.
9308         (XFmode float_extend SFmode push_operand splitter): Do not generate
9309         SImode pushes for 64bit target.  Macroize Dimode and SImode
9310         pushes using P mode iterator.
9311         (XFmode float_extend DFmode push_operand splitter): Ditto.
9312
9313 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9314
9315         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9316         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9317         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9318         return type to int.
9319         (ix86_call_abi_override): Remove check for call_used_regs.
9320
9321 2008-06-03  Richard Guenther  <rguenther@suse.de>
9322
9323         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9324         for the lhs of calls if the return type contains pointers.
9325
9326 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9327
9328         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9329         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9330         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9331         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9332         of cfun and DEFAULT_ABI to deceide abi mode.
9333         (DEFAULT_ABI): New.
9334         (REG_PARM_STACK_SPACE): Removed.
9335         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9336         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9337         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9338         (ix86_function_abi): Likewise.
9339         (ix86_function_type_abi): Likewise.
9340         (ix86_call_abi_override): Likewise.
9341         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9342         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9343         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9344         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9345         specific defines.
9346         (X86_64_REGPARM_MAX): New.
9347         (X86_64_SSE_REGPARM_MAX): New.
9348         (X64_REGPARM_MAX): New.
9349         (X64_SSE_REGPARM_MAX): New.
9350         (X86_32_REGPARM_MAX): New.
9351         (X86_32_SSE_REGPARM_MAX): New.
9352         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9353         (ix86_function_regparm): Handle user calling abi.
9354         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9355         by DEFAULT_ABI versus SYSV_ABI check.
9356         (ix86_reg_parm_stack_space): New.
9357         (ix86_function_type_abi): New.
9358         (ix86_call_abi_override): New.
9359         (ix86_function_abi): New.
9360         (ix86_cfun_abi): New.
9361         (init_cumulative_args): Call abi specific initialization.
9362         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9363         (function_arg_64): Extend SSE_REGPARM_MAX check.
9364         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9365         (ix86_pass_by_reference): Likewise.
9366         (ix86_function_value_regno_p): Likewise.
9367         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9368         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9369         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9370         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9371         (setup_incoming_varargs_64): Adjust regparm for call abi.
9372         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9373         (ix86_va_start): Likewise.
9374         (ix86_gimplify_va_arg): Likewise.
9375         (ix86_expand_prologue): Likewise.
9376         (output_pic_addr_const): Likewise.
9377         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9378         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9379         (x86_output_mi_thunk): Likewise.
9380         (x86_function_profiler): Likewise.
9381         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9382         (SYSV_ABI, MS_ABI): New constants.
9383         (DEFAULT_ABI): New.
9384         (init_regs): Add prototype of function in regclass.c file.
9385         (OVERRIDE_ABI_FORMAT): New.
9386         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9387         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9388         (OUTGOING_REG_PARM_STACK_SPACE): New.
9389         (ix86_reg_parm_stack_space): New prototype.
9390         (CUMULATIVE_ARGS): Add call_abi member.
9391         (machine_function): Add call_abi member.
9392         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
9393         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
9394
9395 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
9396
9397         PR target/34879
9398         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
9399         (avr_builtin_setjmp_frame_value): New function.
9400         * config/avr/avr.md (nonlocal_goto_receiver): Define.
9401         (nonlocal_goto): Define.
9402
9403 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
9404
9405         * config/mips/mips.c (mips_emit_loadgp): Return early if
9406         there is nothing do to, otherwise emit a blockage if
9407         !TARGET_EXPLICIT_RELOCS || crtl->profile.
9408         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
9409
9410 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9411
9412         * configure.ac: Drop unneeded backslash ending up in config.in.
9413         * acinclude.m4: Likewise.
9414         * config.in: Regenerate.
9415
9416 2008-05-26  Jan Hubicka  <jh@suse.cz>
9417
9418         * predict.c (maybe_hot_frequency_p): Break out of...
9419         (maybe_hot_bb_p): ... here.
9420         (maybe_hot_edge_p): New.
9421         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
9422         * basic-block.h (maybe_hot_edge_p): Declare.
9423
9424 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9425
9426         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
9427         (*cmpfp_<mode>_cc): Ditto.
9428         (*fp_jcc_8<mode>_387): Ditto.
9429         (*fop_<MODEF:mode>_2_i387): Ditto.
9430         (*fop_<MODEF:mode>_3_i387): Ditto.
9431         (*fop_xf_2_i387): Ditto.
9432         (*fop_xf_3_i387): Ditto.
9433
9434 2008-06-02  Tomas Bily  <tbily@suse.cz>
9435
9436         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
9437
9438 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9439
9440         * config/mips/mips.c (mips_valid_offset_p): New function.
9441         (mips_valid_lo_sum_p): Likewise.
9442         (mips_classify_address): Use them.
9443         (mips_force_address): New function.
9444         (mips_legitimize_address): Use it.
9445         * config/mips/mips.md (MOVE128): New mode iterator.
9446         (movtf): Require TARGET_64BIT.  Remove empty strings.
9447         (*movtf_internal): Rename to...
9448         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
9449         of "R" and use {,fp}{load,store} attributes instead of "multi".
9450         Use a separate define_split.
9451         (*movtf_mips16): New pattern.
9452
9453 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9454
9455         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
9456         * config/mips/mips.c (mips_expand_before_return): New function.
9457         (mips_expand_epilogue): Call it.
9458         * config/mips/mips.md (return): Turn into a define_expand.
9459         (*return): New insn.
9460
9461 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9462
9463         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
9464         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
9465         functions.  Do not emit uses and clobbers of CONCATs; individually
9466         use and clobber their operands.
9467         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
9468         gen_clobber, emit_use and gen_use.
9469         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
9470         (expand_builtin_return): Likewise.
9471         * cfgbuild.c (count_basic_blocks): Likewise.
9472         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
9473         * explow.c (emit_stack_restore): Likewise.
9474         * expmed.c (extract_bit_field_1): Likewise.
9475         * expr.c (convert_move, emit_move_complex_parts): Likewise.
9476         (emit_move_multi_word, store_constructor): Likewise.
9477         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
9478         (thread_prologue_and_epilogue_insns): Likewise.
9479         * lower-subreg.c (resolve_simple_move): Likewise.
9480         * optabs.c (widen_operand, expand_binop): Likewise.
9481         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
9482         * reload.c (find_reloads): Likewise.
9483         * reload1.c (eliminate_regs_in_insn): Likewise.
9484         * stmt.c (expand_nl_goto_receiver): Likewise.
9485         * config/alpha/alpha.md (builtin_longjmp): Likewise.
9486         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
9487         * config/arm/arm.c (arm_load_pic_register): Likewise.
9488         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
9489         * config/arm/arm.md (untyped_return): Likewise.
9490         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
9491         * config/avr/avr.c (expand_prologue): Likewise.
9492         * config/bfin/bfin.c (do_unlink): Likewise.
9493         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
9494         * config/cris/cris.c (cris_expand_prologue): Likewise.
9495         * config/darwin.c (machopic_indirect_data_reference): Likewise.
9496         (machopic_legitimize_pic_address): Likewise.
9497         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
9498         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
9499         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
9500         (ix86_expand_convert_uns_didf_sse): Likewise.
9501         (ix86_expand_vector_init_general): Likewise.
9502         * config/ia64/ia64.md (eh_epilogue): Likewise.
9503         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
9504         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
9505         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
9506         (config/iq2000/iq2000.c): Likewise.
9507         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
9508         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
9509         (builtin_longjmp): Likewise.
9510         * config/mn10300/mn10300.md (call, call_value): Likewise.
9511         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
9512         * config/pdp11/pdp11.md (abshi2): Likewise.
9513         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9514         * config/s390/s390.c (s390_emit_prologue): Likewise.
9515         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
9516         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
9517         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
9518         * config/sh/sh.c (prepare_move_operands): Likewise.
9519         (output_stack_adjust, sh_expand_epilogue): Likewise.
9520         (sh_set_return_address, sh_expand_t_scc): Likewise.
9521         * config/sparc/sparc.c (load_pic_register): Likewise.
9522         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
9523         * config/spu/spu.c (spu_expand_epilogue): Likewise.
9524         * config/v850/v850.c (expand_epilogue): Likewise.
9525
9526 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
9527
9528         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
9529         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
9530         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
9531         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
9532         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
9533         stack pointer register.
9534         (output_movhi): Remove code for interrupt specific writing to the
9535         stack pointer register.
9536
9537 2008-05-31  Richard Guenther  <rguenther@suse.de>
9538
9539         PR tree-optimization/34244
9540         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
9541         (tree_expr_nonzero_warnv_p): Likewise.
9542         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9543         ssa_name_nonnegative_p.
9544         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
9545         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
9546         not tree_expr_nonzero_warnv_p.
9547
9548         PR tree-optimization/36262
9549         Revert
9550         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
9551
9552         PR tree-optimization/34244
9553         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
9554         (record_numbers_of_iterations): New function.
9555         (execute_vrp): Cache the numbers of iterations of loops.
9556         * tree-scalar-evolution.c (scev_reset_except_niters):
9557         New function.
9558         (scev_reset): Use scev_reset_except_niters.
9559         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
9560
9561 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9562
9563         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9564         __WORKAROUND_RETS when appropriate.
9565
9566 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9567
9568         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
9569         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
9570         mode iterator.
9571         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
9572         *fop_df_comm_sse insn patterns using MODEF mode iterator.
9573         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
9574         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
9575         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
9576         *fop_df_1_mixed insn patterns using MODEF mode iterator.
9577         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
9578         *fop_df_1_sse insn patterns using MODEF mode iterator.
9579         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
9580         *fop_df_1_i387 insn patterns using MODEF mode iterator.
9581         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
9582         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
9583         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
9584         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
9585         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
9586         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
9587         (*fop_xf_4_i387): Use <MODE> for mode attribute.
9588         (*fop_xf_5_i387): Ditto.
9589         (*fop_xf_6_i387): Ditto.
9590
9591 2008-05-30  Richard Guenther  <rguenther@suse.de>
9592
9593         * builtins.c (build_string_literal): Avoid generating
9594         a non-gimple_val result.
9595
9596 2008-05-30  DJ Delorie  <dj@redhat.com>
9597
9598         * exec-tool.in: Use an environment variable (private) instead of a
9599         file (shared) as a semaphore, so as to not break parallel builds.
9600
9601 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9602
9603         * optabs.c (maybe_encapsulate_block): Remove.
9604         (emit_libcall_block): Adjust accordingly.
9605         * optabs.h (maybe_encapsulate_block): Remove prototype.
9606
9607         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
9608         Don't use maybe_encapsulate_block.
9609
9610 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9611
9612         * config/rs6000/rs6000.c (rs6000_legitimize_address,
9613         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
9614         rtx is a SYMBOL_REF before calling get_pool_constant.
9615
9616 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
9617
9618         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
9619
9620 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
9621
9622         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
9623         rather than OS names to choose INO_T_EQ definition.
9624         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
9625         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
9626
9627 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
9628
9629         PR target/36348
9630         * config/darwin-f.c: New.
9631         * config/t-darwin: Added rule to build darwin-f.o.
9632         * config.gcc: Defined new variable, fortran_target_objs.
9633         (*-*-darwin*): Set fortran_target_objs.
9634         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
9635         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
9636         * configure: Regenerated.
9637
9638 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
9639
9640         PR target/35771
9641         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
9642         canonical type if needed.
9643
9644 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
9645
9646         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
9647
9648 2008-05-29  Richard Guenther  <rguenther@suse.de>
9649
9650         PR tree-optimization/36343
9651         PR tree-optimization/36346
9652         PR tree-optimization/36347
9653         * tree-flow.h (clobber_what_p_points_to): Declare.
9654         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
9655         pointed-to variable is dereferenced is irrelevant to whether
9656         the pointer can access the pointed-to variable.
9657         (clobber_what_p_points_to): New function.
9658         * tree-ssa-alias.c (set_initial_properties): Use it.
9659         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
9660         call clobber check for NMTs.
9661
9662 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9663
9664         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
9665         for printing gcov_type.
9666
9667 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9668
9669         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
9670         and the eh region information.
9671         * value-prof.c (gimple_move_stmt_histograms): New function.
9672         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
9673
9674 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
9675
9676         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
9677
9678 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
9679
9680         * value-prof.c (tree_ic_transform): Print counts.
9681         * tree-profile.c (tree_gen_ic_func_profiler):
9682         Clear __gcov_indreict_call_callee variable to avoid misattribution
9683         of the profile.
9684
9685 2008-05-28  Rafael Espindola  <espindola@google.com>
9686
9687         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
9688         invalid sharing.
9689
9690 2008-05-28  Richard Guenther  <rguenther@suse.de>
9691
9692         PR tree-optimization/36339
9693         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
9694         and clobbering code out of the loop.
9695
9696 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9697
9698         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
9699         letters defined.
9700
9701         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
9702         s390_contiguous_bitmask_p, s390_symref_operand_p,
9703         s390_check_symref_alignment, s390_reload_larl_operand,
9704         s390_reload_symref_address): New functions.
9705         (s390_branch_condition_mnemonic): Support compare and branch
9706         instructions.
9707         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
9708         and 'W' constraints.
9709         (s390_secondary_reload): Add secondary reloads for unaligned
9710         symbol refs or symbol refs to floating point or QI/TI mode
9711         integer values.
9712         (legitimate_address_p): Accept symbol references as addresses.
9713         (s390_expand_insv): Use rotate and insert selected bits
9714         instruction for insv when building for z10.
9715         (print_operand_address): Handle symbol ref addresses.
9716         (print_operand): Output modifier 'c' added for signed byte values.
9717         (s390_encode_section_info): Mark symbol refs with
9718         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
9719
9720         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
9721         (length attribute): RRF, RRR have 4 byte length.
9722         (FPALL, INTALL): New mode iterators added.
9723         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
9724         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
9725         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
9726         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
9727         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
9728         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
9729         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
9730         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
9731         instructions.
9732         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
9733         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
9734         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
9735         reload<INTALL:mode><P:mode>_toreg_z10,
9736         reload<FPALL:mode><P:mode>_tomem_z10,
9737         reload<FPALL:mode><P:mode>_toreg_z10,
9738         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
9739         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
9740         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
9741         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
9742         definition.
9743         (movmem, clrmem, cmpmem): New splitters added.
9744
9745         * config/s390/predicates.md (larl_operand): Use
9746         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
9747         SYMBOL_REF_ALIGN1_P.
9748         (s390_signed_integer_comparison,
9749         s390_unsigned_integer_comparison): New predicates.
9750
9751         * config/s390/s390-protos.h (s390_check_symref_alignment,
9752         s390_contiguous_bitmask_p, s390_reload_larl_operand,
9753         s390_reload_symref_address,
9754         s390_compare_and_branch_condition_mask): Prototypes added.
9755
9756         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
9757         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
9758         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
9759
9760 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9761
9762         * config/s390/s390.c (z10_cost): New cost function for z10.
9763         (s390_handle_arch_option, override_options): Support -march=z10 switch.
9764         (s390_issue_rate): Adjust issue rate for z10.
9765         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
9766         (processor_flags): Add PF_Z10.
9767         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
9768         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
9769         * gcc/config.gcc: Add z10.
9770
9771 2008-05-28  Richard Guenther  <rguenther@suse.de>
9772
9773         PR tree-optimization/36291
9774         * tree-flow. h (struct gimple_df): Remove var_anns member.
9775         * tree-flow-inline.h (gimple_var_anns): Remove.
9776         (var_ann): Simplify.
9777         * tree-dfa.c (create_var_ann): Simplify.
9778         (remove_referenced_var): Clear alias info from var_anns of globals.
9779         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
9780         (delete_tree_ssa): Clear alias info from var_anns of globals.
9781         Do not free var_anns.
9782         (var_ann_eq): Remove.
9783         (var_ann_hash): Likewise.
9784
9785 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
9786
9787         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
9788         and loongson2f entries.
9789         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
9790         * config/mips/mips.h (processor_type): Add Loongson-2E
9791         and Loongson-2F entries.
9792         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
9793         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
9794         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
9795         * doc/invoke.texi (MIPS Options): Document loongson2e
9796         and loongson2f processor names.
9797
9798 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9799
9800         PR target/35767
9801         PR target/35771
9802         * config/i386/i386.c (ix86_function_arg_boundary): Use
9803         alignment of canonical type.
9804         (ix86_expand_vector_move): Check unaligned memory access for
9805         all SSE modes.
9806
9807 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9808
9809         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
9810         Moved to the front of file.
9811
9812 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
9813             H.J. Lu  <hongjiu.lu@intel.com>
9814
9815         * dwarf2out.c (current_fde): New.
9816         (add_cfi): Use it.
9817         (lookup_cfa:): Likewise.
9818         (dwarf2out_end_epilogue): Likewise.
9819         (dwarf2out_note_section_used): Likewise.
9820
9821 2008-05-27  Michael Matz  <matz@suse.de>
9822
9823         PR c++/27975
9824         * c.opt (Wenum-compare): New warning option.
9825         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
9826
9827 2008-05-27  Michael Matz  <matz@suse.de>
9828
9829         PR middle-end/36326
9830         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
9831         non-BLKmode types.
9832         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
9833         into memory as tail calls.
9834
9835 2008-05-27  Richard Guenther  <rguenther@suse.de>
9836
9837         PR tree-optimization/36339
9838         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
9839         pointers cause all addressable variables to be call clobbered.
9840
9841 2008-05-27  Richard Guenther  <rguenther@suse.de>
9842
9843         PR tree-optimization/36245
9844         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
9845
9846 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9847
9848         * config/s390/s390.md: Replace all occurences of the 'm'
9849         constraint with 'RT'.
9850
9851 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9852
9853         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
9854         definitions added.
9855         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
9856         "*movdi_64".
9857         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
9858         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
9859         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
9860
9861 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9862
9863         * reload.c: (find_reloads): Skip alternatives according to the
9864         "enabled" attribute. Constify the constraint variable.
9865         * recog.c (get_attr_enabled): Add default implementation.
9866         (extract_insn): Set the alternative_enabled_p array
9867         in the recog_data struct.
9868         (preprocess_constraints, constrain_operands): Skip
9869         alternatives according to the "enabled" attribute
9870         * recog.h (struct recog_data): New field alternative_enabled_p.
9871         (skip_alternative): New inline function.
9872         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
9873         (record_reg_classes): Skip alternative according to the
9874         "enabled" attribute.
9875
9876         * doc/md.texi: Add documention for the "enabled" attribute.
9877
9878 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9879
9880         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
9881         * postreload.c (reload_cse_simplify_operands): Replace 'm'
9882         constraint with TARGET_MEM_CONSTRAINT.
9883         * recog.c (asm_operand_ok, preprocess_constraints,
9884         constrain_operands): Likewise.
9885         * regclass.c (record_reg_classes): Likewise.
9886         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
9887         * reload1.c (maybe_fix_stack_asms): Likewise.
9888         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
9889         * recog.h: Adjust comment.
9890         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
9891         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
9892         * doc/md.texi: Add a note to description of 'm' constraint.
9893         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
9894
9895 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
9896
9897         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
9898         that the bitfield is of integral type before testing its precision.
9899
9900 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9901             Sa Liu  <saliu@de.ibm.com>
9902
9903         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
9904         __modti3, __udivti3, __umodti3 and __udivmodti4.
9905         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
9906         that implement TImode mul and div functions.
9907         * config/spu/multi3.c: New. Implement __multi3.
9908         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
9909         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
9910         functions on SPU.
9911
9912 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
9913
9914         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
9915         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
9916         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
9917         tls_sysv_suffix): New mode and mode attribute iterators.
9918         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
9919         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
9920         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
9921         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
9922         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
9923         iterators.
9924
9925 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
9926
9927         PR tree-optimization/36329
9928         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
9929         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
9930         * cgraphbuild.c (initialize_inline_failed): Use the latter
9931         macro in lieu of the former.
9932         * ipa-inline.c (cgraph_mark_inline): Likewise.
9933         (cgraph_decide_inlining_of_small_function): Likewise.
9934         (cgraph_decide_inlining): Likewise.
9935         (cgraph_decide_inlining_incrementally): Likewise.
9936
9937 2008-05-26  Tristan Gingold  <gingold@adacore.com>
9938             Anatoly Sokolov  <aesok@post.ru>
9939
9940         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
9941         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
9942         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
9943         optimization for 'avr6' architecture.
9944
9945 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
9946
9947         PR target/34932
9948         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
9949
9950 2008-05-26  Richard Guenther  <rguenther@suse.de>
9951
9952         * tree-ssa-sccvn.c (expr_has_constants): Declare.
9953         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
9954
9955 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
9956
9957         PR middle-end/36253
9958         * caller-save.c (insert_restore): Verify alignment of spill space.
9959         (insert_save): Likewise.
9960         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
9961         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
9962         (STACK_SLOT_ALIGNMENT): Likewise.
9963         * function.c (LOCAL_ALIGNMENT): Removed.
9964         (get_stack_local_alignment): New.
9965         (assign_stack_local): Use it.  Set alignment on stack slot.
9966         (assign_stack_temp_for_type): Use get_stack_local_alignment.
9967         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
9968         (STACK_SLOT_ALIGNMENT): New.
9969         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
9970         stack slot in XFmode.
9971
9972         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
9973
9974 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
9975
9976         PR/36321
9977         * config/i386/i386.md (allocate_stack_worker_64): Make sure
9978         argument operand in rax isn't removed.
9979
9980 2008-05-26  Richard Guenther  <rguenther@suse.de>
9981
9982         PR middle-end/36300
9983         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
9984         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
9985
9986 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
9987
9988         PR bootstrap/36331
9989         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
9990
9991 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
9992
9993         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
9994         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
9995
9996 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9997
9998         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
9999         build a trampoline if we don't want one.
10000         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
10001         return zero for nested functions if we don't want a trampoline.
10002
10003 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10004
10005         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
10006
10007 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10008
10009         PR fortran/18428
10010         * c.opt: Removed undocumented option '-lang-fortran'.
10011         * c-common.h: Removed global variable 'lang_fortran'.
10012         * c-opts.c (c_common_handle_option): Removed code to handle
10013         option '-lang-fortran'. Updated includes.
10014         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
10015         definition of '__GFORTRAN__'.
10016         (define__GNUC__): Reimplemented to use BASEVER and
10017         cpp_define_formatted.
10018         (builtin_define_with_value_n): Removed.
10019         * c-incpath.h: Renamed to ...
10020         * incpath.h: ... this.
10021         * c-incpath.c: Renamed to ...
10022         * incpath.c: ... this. Updated includes.
10023         * fix-header.c: Updated includes.
10024         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
10025         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
10026         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
10027
10028 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10029
10030         * tree.h: Update the table of flags used on tree nodes.
10031         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
10032         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
10033         (FORCED_LABEL): Add access check.
10034         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
10035         (ASM_INPUT_P): Likewise.
10036         (ASM_VOLATILE_P): Likewise.
10037         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
10038         (OMP_SECTION_LAST): Access private_flag directly.
10039         (OMP_RETURN_NOWAIT): Likewise.
10040         (OMP_PARALLEL_COMBINED): Likewise.
10041         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
10042         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
10043         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
10044         deprecated_flag directly.
10045
10046 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
10047
10048         * final.c (frame_pointer_needed): Removed.
10049         * flags.h (frame_pointer_needed): Likewise.
10050
10051         * function.h (rtl_data): Add frame_pointer_needed.
10052         (frame_pointer_needed): New.
10053
10054 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
10055
10056         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
10057
10058 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
10059
10060         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
10061         SRC is a REG.
10062
10063 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
10064
10065         * c-common.c (strip_array_types): Move function to..
10066         * tree.c: ..here.
10067         (get_inner_array_type): Delete.
10068         * c-common.h (strip_array_types): Move declaration to..
10069         * tree.h: ..here.
10070         (get_inner_array_type): Delete.
10071         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
10072         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10073         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10074         * config/pa/pa.c (emit_move_sequence): Likewise.
10075
10076 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
10077
10078         * config/i386/i386.md (*sse_prologue_save_insn): Set length
10079         attribute to 34.
10080
10081 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
10082
10083         * function.c: Include target hook for nonlocal_goto frame value.
10084
10085 2008-05-24  Richard Guenther  <rguenther@suse.de>
10086
10087         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
10088         variable can be only accessed through a pointer or a union.
10089
10090 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10091
10092         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
10093         * doc/extend.texi: Likewise.
10094
10095 2008-05-23  DJ Delorie  <dj@redhat.com>
10096
10097         * config/m32c/jump.md (untyped_call): Add.
10098
10099         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
10100         for A24 to PSImode.
10101         (m32c_address_cost): Detail costs for indirect offsets.
10102
10103 2008-05-23  Rafael Espindola  <espindola@google.com>
10104
10105         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
10106         if a node is a SUBREG.
10107         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
10108         is a SUBREG.
10109
10110 2008-05-23  Paul Brook  <paul@codesourcery.com>
10111             Carlos O'Donell  <carlos@codesourcery.com>
10112
10113         * doc/extend.texi: Clarify use of __attribute__((naked)).
10114         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10115         * target.h (gcc_target): Add allocate_stack_slots_for_args.
10116         * function.c (use_register_for_decl): Use
10117         targetm.calls.allocate_stack_slots_for_args.
10118         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10119         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
10120         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
10121
10122 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
10123
10124         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
10125
10126 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
10127
10128         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
10129         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
10130         is only rounded once.
10131
10132 2008-05-23  Richard Guenther  <rguenther@suse.de>
10133
10134         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
10135
10136 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
10137             Jakub Jelinek  <jakub@redhat.com>
10138
10139         PR target/36079
10140         * configure.ac: Handle --enable-cld.
10141         * configure: Regenerated.
10142         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
10143         * config/i386/i386.h (struct machine_function): Add needs_cld field.
10144         (ix86_current_function_needs_cld): New define.
10145         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
10146         (cld): New isns pattern.
10147         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
10148         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
10149         * config/i386/i386.opt (mcld): New option.
10150         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
10151         TARGET_CLD and ix86_current_function_needs_cld.
10152         (override_options): Use -mcld by default for 32-bit code if
10153         USE_IX86_CLD.
10154
10155         * doc/install.texi (Options specification): Document --enable-cld.
10156         * doc/invoke.texi (Machine Dependent Options)
10157         [i386 and x86-64 Options]: Add -mcld option.
10158         (Intel 386 and AMD x86-64 Options): Document -mcld option.
10159
10160 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
10161         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
10162         (return_in_memory_64): Likewise.
10163         (return_in_memory_ms_64): Likewise.
10164
10165 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10166
10167         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
10168         * builtins.c (fold_builtin_fpclassify): New.
10169         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
10170         * builtins.def (BUILT_IN_FPCLASSIFY): New.
10171         * c-common.c (handle_type_generic_attribute): Adjust to accept
10172         fixed arguments before an elipsis.
10173         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
10174         * doc/extend.texi: Document __builtin_fpclassify.
10175
10176 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
10177
10178         * omp-low.c (gate_expand_omp_ssa): Remove.
10179         (pass_expand_omp_ssa): Remove.
10180         (gate_expand_omp): Do not check for flag_openmp_ssa.
10181         * common.opt (-fopenmp-ssa): Remove.
10182         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
10183
10184 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10185
10186         * config/sh/sh.opt (mfixed-range): New option.
10187         * config/sh/sh-protos.h (sh_fix_range): Declare.
10188         * config/sh/sh.c (sh_fix_range): New function.
10189         * config/sh/sh.h (sh_fixed_range_str): Declare.
10190         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10191         is not empty.
10192         * doc/invoke.texi (SH Options): Document -mfixed-range.
10193
10194 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10195
10196         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10197         it before the redeclaration.
10198
10199 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10200
10201         * config/avr/avr.c (get_sequence_length): Add new function.
10202         (expand_prologue, expand_epilogue): Remove duplicate code.
10203
10204 2008-05-22  Rafael Espindola  <espindola@google.com>
10205
10206         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10207         sharing.
10208
10209 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10210
10211         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10212         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10213
10214         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10215         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10216         (vect_update_misalignment_for_peel): Likewise.
10217         (vector_alignment_reachable_p): Likewise.
10218         * tree-vect-transform.c (vectorizable_load): Likewise.
10219         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10220         (get_vectype_for_scalar_type): Pass mode of scalar_type
10221         to UNITS_PER_SIMD_WORD.
10222
10223         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10224         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10225         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10226         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10227         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10228
10229 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10230
10231         PR tree-optimization/36293
10232         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10233         if the first load must be skipped because of a gap.
10234
10235 2008-05-22  Richard Guenther  <rguenther@suse.de>
10236
10237         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10238         more cases of offset disambiguation that is possible if
10239         strict-aliasing rules apply.
10240         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10241         for basic offset and type-based disambiguation.
10242
10243 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10244
10245         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10246         ix86_expand_vector_set on V16QImode for SSE4.1.
10247
10248 2008-05-21  Tom Tromey  <tromey@redhat.com>
10249
10250         * c.opt (Wimport): Mark as undocumented.
10251         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10252         -Wno-import.
10253         (Warning Options): Likewise.
10254         * doc/cppopts.texi: Don't mention -Wimport.
10255
10256 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10257
10258         PR tree-optimization/36287
10259         PR tree-optimization/36286
10260         * lambda-code.c (build_access_matrix): Do not use the loop->num
10261         for computing the number of induction variables: use the loop depth
10262         instead.
10263
10264 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10265
10266         PR/36280
10267         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10268         option -f(no-)leading-underscore.
10269
10270 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10271
10272         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10273         GET_MODE_NUNITS (mode).
10274
10275 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10276
10277         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10278         (-mmulhw): Add 464 to description.
10279         (-mdlmzb): Likewise.
10280         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10281         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10282         464fp entries.
10283         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10284         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10285         * config/rs6000/rs6000.md: Update comments for 464.
10286
10287 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10288
10289         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10290
10291 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10292
10293         * config/i386/sse.md (vec_extractv4sf): Removed.
10294         (vec_extractv2df): Likewise.
10295         (vec_extractv2di): Likewise.
10296         (vec_extractv4si): Likewise.
10297         (vec_extractv8hi): Likewise.
10298         (vec_extractv16qi): Likewise.
10299         (vec_extract<mode>): New.
10300
10301 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10302
10303         * config/i386/sse.md (vec_setv4sf): Removed.
10304         (vec_setv2df): Likewise.
10305         (vec_setv2di): Likewise.
10306         (vec_setv4si): Likewise.
10307         (vec_setv8hi): Likewise.
10308         (vec_setv16qi): Likewise.
10309         (vec_set<mode>): New.
10310
10311 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10312
10313         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10314         goto for vec_concat and vec_interleave.
10315
10316 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10317
10318         * config/i386/sse.md (vec_initv4sf): Removed.
10319         (vec_initv2df): Likewise.
10320         (vec_initv2di): Likewise.
10321         (vec_initv4si): Likewise.
10322         (vec_initv8hi): Likewise.
10323         (vec_initv16qi): Likewise.
10324         (vec_init<mode>): New.
10325
10326 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10327
10328         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10329
10330 2008-05-21  Tom Tromey  <tromey@redhat.com>
10331
10332         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10333         (zone_find_object_offset): Likewise.
10334         (gt_ggc_m_S): Likewise.
10335         (highest_bit): Likewise.
10336         * ggc-page.c (gt_ggc_m_S): New function.
10337         * stringpool.c (string_stack): Remove.
10338         (init_stringpool): Update.
10339         (ggc_alloc_string): Use ggc_alloc.
10340         (maybe_delete_ident): New function.
10341         (ggc_purge_stringpool): Likewise.
10342         (gt_ggc_m_S): Remove.
10343         * ggc-common.c (ggc_protect_identifiers): New global.
10344         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10345         ggc_protect_identifiers.
10346         * ggc.h (ggc_protect_identifiers): Declare.
10347         (gt_ggc_m_S): Update.
10348         (ggc_purge_stringpool): Declare.
10349         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10350         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10351         special case.
10352         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10353
10354 2008-05-21  David S. Miller  <davem@davemloft.net>
10355
10356         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10357         tmake_file.
10358
10359 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10360
10361         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10362         once finished.
10363
10364 2008-05-20  David Daney  <ddaney@avtrex.com>
10365
10366         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10367         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10368         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10369         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10370         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10371         (atomic_hiqi_op): New define_code_iterator.
10372         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10373         mips_expand_compare_and_swap_12.
10374         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10375         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10376         (sync_<optab><mode>, sync_old_<optab><mode>,
10377         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10378         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10379         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10380         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10381         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10382         (test_and_set_12): New insn.
10383         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10384         sync_new_<optab><mode>, sync_old_nand<mode>,
10385         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10386         clobber to operand 0 for SI and DI mode insns.
10387         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10388         mips_gen_fn_4): New typedefs.
10389         (mips_gen_fn_ptrs): Define new union type.
10390         (mips_expand_compare_and_swap_12): Remove declaration.
10391         (mips_expand_atomic_qihi): Declare function.
10392         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
10393         (mips_expand_atomic_qihi): ... this.  Use new generator function
10394         parameter.
10395         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
10396         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
10397         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
10398         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
10399         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
10400         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
10401         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
10402         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
10403         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
10404         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
10405         New macros.
10406
10407 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10408
10409         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
10410         the missing break.
10411
10412 2008-05-20  Anatoly Sokolov <aesok@post.ru>
10413
10414         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
10415         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
10416         (avr_attribute_table): Add 'OS_main' function attribute.
10417         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
10418         functions with 'OS_main' attribute.
10419
10420 2008-05-20  Richard Guenther  <rguenther@suse.de>
10421
10422         PR tree-optimization/35204
10423         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
10424         helper, split out from ...
10425         (DFS): ... here.  Make the DFS walk non-recursive.
10426
10427 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
10428             Jan Sjodin  <jan.sjodin@amd.com>
10429
10430         PR tree-optimization/36181
10431         * tree-parloops.c (loop_has_vector_phi_nodes): New.
10432         (parallelize_loops): Don't parallelize when the loop has vector
10433         phi nodes.
10434
10435 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10436             Sebastian Pop  <sebastian.pop@amd.com>
10437
10438         * tree-loop-linear.c (gather_interchange_stats): Look in the access
10439         matrix, and never look at the tree representation of the memory
10440         accesses.
10441         (linear_transform_loops): Computes parameters and access matrices.
10442         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
10443         when fails.
10444         (access_matrix_get_index_for_parameter): New.
10445         * tree-data-ref.h (struct access_matrix): New.
10446         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
10447         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
10448         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
10449         am_vector_index_for_loop): New.
10450         (struct data_reference): Add field access_matrix.
10451         (DR_ACCESS_MATRIX): New.
10452         (compute_data_dependences_for_loop): Update declaration.
10453         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
10454         * lambda.h (lambda_vector_vec_p): Declared.
10455         * lambda-code.c: Depend on pointer-set.h.
10456         (lambda_collect_parameters_from_af, lambda_collect_parameters,
10457         av_for_af_base, av_for_af, build_access_matrix,
10458         lambda_compute_access_matrices): New.
10459         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
10460
10461 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
10462
10463         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
10464         $SOURCEDIR/include.
10465
10466 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10467             Sebastian Pop  <sebastian.pop@amd.com>
10468
10469         PR tree-optimization/36206
10470         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
10471         FOLD_CONVERSIONS.
10472         (instantiate_scev_1): Rename flags to fold_conversions.
10473         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
10474         outeside instantiation_loop.
10475         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
10476         (evolution_function_is_affine_or_constant_p): Removed.
10477         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
10478         instantiate_scev.
10479         (analyze_siv_subscript): Pass in the loop nest number.
10480         Call evolution_function_is_affine_in_loop instead of
10481         evolution_function_is_affine_p.
10482         (analyze_overlapping_iterations): Pass in the loop nest number.
10483
10484 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10485             Sebastian Pop  <sebastian.pop@amd.com>
10486
10487         PR tree-optimization/36206
10488         * tree-chrec.h (chrec_fold_op): New.
10489         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
10490         and other trees.
10491
10492 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
10493
10494         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
10495         (DIRS_EQ): New.
10496         (remove_duplicates): Do not set inode on non-inode systems.
10497         Use DIRS_EQ.
10498
10499 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10500
10501         * config.gcc (tm_file): Update comments about relative pathnames.
10502
10503 2008-05-20  Richard Guenther  <rguenther@suse.de>
10504
10505         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
10506         * tree-ssa-sccvn.c (process_scc): Likewise.
10507         * tree-ssa-sink.c (execute_sink_code): Likewise.
10508         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
10509         * tree-vrp.c (process_assert_insertions): Likewise.
10510         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
10511         (perform_tree_ssa_dce): Likewise.
10512         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10513         (dump_dominator_optimization_stats): Likewise.
10514         * tree-vectorizer.c (vectorize_loops): Likewise.
10515
10516 2008-05-20  Richard Guenther  <rguenther@suse.de>
10517
10518         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
10519
10520 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
10521
10522         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
10523         (ix86_i386elf_return_in_memory): Likewise.
10524         (ix86_i386interix_return_in_memory): Likewise.
10525         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
10526         (SUBTARGET_RETURN_IN_MEMORY): New.
10527         * config/i386/i386elf.h: Likewise.
10528         * config/i386/ptx4-i.h: Likewise.
10529         * config/i386/sol2-10.h: Likewise.
10530         * config/i386/sysv4.h: Likewise.
10531         * config/i386/vx-common.h: Likewise.
10532         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
10533         * config/i386/i386.c (ix86_return_in_memory): Made static and
10534         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
10535         (ix86_i386elf_return_in_memory): Removed.
10536         (ix86_i386interix_return_in_memory): Removed.
10537         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
10538         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
10539
10540 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
10541
10542         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
10543
10544 2008-05-19  Xinliang David Li  <davidxl@google.com>
10545
10546         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
10547         * opts.c: Ditto.
10548         * common.opt: Ditto.
10549         * doc/invoke.texi: Ditto.
10550
10551 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10552
10553         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
10554         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
10555
10556 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10557
10558         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
10559         sizes of operand array from 8/4 to 4/2.
10560         (ix86_expand_vector_init_general): Change size of operand array
10561         from 32 to 16.  Remove op0, op1 and half_mode.
10562
10563 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10564
10565         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
10566         (ix86_expand_vector_init_interleave): Likewise.
10567         (ix86_expand_vector_init_general): Use them.  Assert
10568         word_mode == SImode when n_words == 4.
10569
10570 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
10571
10572         * config/i386/i386.c (ix86_secondary_reload): New static function.
10573         (TARGET_SECONDARY_RELOAD): New define.
10574         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
10575         * config/i386/i386.md (reload_outqi): Remove.
10576
10577 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10578
10579         PR middle-end/35509
10580         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
10581         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
10582         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
10583         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
10584         (fold_builtin_1): Likewise.
10585         * builtins.def (BUILT_IN_ISINF_SIGN): New.
10586         c-common.c (check_builtin_function_arguments): Handle
10587         BUILT_IN_ISINF_SIGN.
10588         * doc/extend.texi: Document __builtin_isinf_sign.
10589         * fold-const.c (operand_equal_p): Handle COND_EXPR.
10590
10591 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
10592
10593         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
10594         EH cleanup at the end of the pass, search for those that have been
10595         turned into forwarder blocks and do the cleanup on their successor.
10596
10597 2008-05-18  Richard Guenther  <rguenther@suse.de>
10598
10599         * tree-cfg.c (verify_gimple_expr): Allow conversions from
10600         pointers to sizetype and vice versa.
10601
10602 2008-05-18 Xinliang David Li   <davidxl@google.com>
10603
10604         * gcc/tree-ssa-dce.c: Coding style fix.
10605         (check_pow): Documentation comment.
10606         (check_log): Documenation comment. Coding style fix.
10607         (is_unnecessary_except_errno_call): Ditto.
10608         (gen_conditions_for_pow): Ditto.
10609         (gen_conditions_for_log): Ditto.
10610         (gen_shrink_wrap_conditions): Ditto.
10611         (shrink_wrap_one_built_in_calls): Ditto.
10612         * gcc/doc/invoke.texi: Better documentation string.
10613         * ChangeLog: Fix wrong change log entries from
10614         May 17 checkin on function call DCE.
10615
10616 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
10617
10618         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
10619
10620 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
10621
10622         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
10623         * df-problems.c (simulation routines): Fixed block comment to
10624         properly say how to add forwards scanning functions.
10625
10626 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10627
10628         * tree-inline.c (setup_one_parameter): Remove dead code.
10629
10630 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10631
10632         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
10633         a BIT_AND_EXPR only for an INTEGER_TYPE.
10634
10635 2008-05-17 Xinliang David Li   <davidxl@google.com>
10636
10637         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
10638         (check_pow, check_log, is_unnecessary_except_errno_call): New
10639         functions to check for eliminating math functions that are pure
10640         except for setting errno.
10641         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
10642         general condition expressions for shrink-wrapping pow/log calls.
10643         (gen_shrink_wrap_conditions): Ditto.
10644         (shrink_wrap_one_built_in_call): Ditto.
10645         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
10646         (mark_operand_necessary): If debugging, output if OP is necessary.
10647         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
10648         unnecessary.
10649         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
10650         opt level >= 2.
10651         * gcc/common.opt: New user flag -ftree-builtin-dce.
10652         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
10653
10654 2008-05-16  David S. Miller  <davem@davemloft.net>
10655
10656         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
10657         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10658
10659 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
10660
10661         PR target/36246
10662         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
10663
10664 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10665
10666         * ifcvt.c (dead_or_predicable): Rename
10667         df_simulate_one_insn_backwards to df_simulate_one_insn.
10668         * recog.c (peephole2_optimize): Ditto.
10669         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
10670         Ditto.
10671         * df.h: Rename df_simulate_one_insn_backwards to
10672         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
10673         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
10674         scanning of defs and uses.
10675         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
10676         (df_simulate_one_insn_forwards): Removed.
10677
10678 2008-05-16  Doug Kwan  <dougkwan@google.com>
10679
10680         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
10681         QNaN & SNaN.
10682         (real_from_string): Handle NaNs and Inf as approriate.
10683
10684 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10685
10686         * doc/gty.texi (Source Files Containing Type Information): Note
10687         that headers should appear first in the gtfiles list.
10688
10689 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10690
10691         * tree.def (COND_EXEC): Properly documented this code.
10692
10693 2008-05-16  Diego Novillo  <dnovillo@google.com>
10694
10695         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
10696         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
10697         the new field.
10698
10699 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10700
10701         * tree-ssa-dse (max_stmt_uid): Removed.
10702         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
10703         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
10704         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
10705         * function.h (cfun.last_stmt_uid): New field.
10706         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
10707         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
10708         New functions.
10709         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
10710         (create_stmt_ann): Initialize the ann->uid field.
10711         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
10712         with new calls.
10713         * tree-flow.h (renumber_gimple_stmt_uids): New function.
10714
10715 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10716
10717         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
10718         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
10719         (init_empty_tree_cfg): Call it.
10720
10721 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10722
10723         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
10724         Update all users.
10725
10726 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10727
10728         * doc/invoke.text (-fdump-tree-*-verbose): New option.
10729         * tree-dump.c (dump_options): New verbose option.
10730         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
10731         Add verbose dump.
10732         * tree-pass.h (TDF_VERBOSE): New dump flag.
10733         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
10734         (tree-flow.h): Added include.
10735         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
10736
10737 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
10738
10739         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
10740
10741         From Jie Zhang  <jie.zhang@analog.com>
10742         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10743         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
10744         mcpu=bf561-none and mcpu=bf561-0.2.
10745         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10746         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10747         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10748         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10749         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
10750         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
10751         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
10752         option.
10753         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
10754         (cputype_selected): Remove.
10755         (bfin_handle_option): Don't use cputype_selected.
10756         (override_options): When no mcpu option, enable all workarounds.
10757         Don't use bfin_workarounds.
10758         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
10759         processor type.
10760         (DEFAULT_CPU_TYPE): Don't define.
10761
10762 2008-05-16  Richard Guenther  <rguenther@suse.de>
10763
10764         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
10765         on deletion of the last stmt.
10766
10767 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10768
10769         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
10770         V8HImode for SSE2 and V16QImode for SSE4.1.
10771
10772 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
10773
10774         * cgraph.h (compute_inline_parameters): Made public.
10775         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
10776         variable_generate_summary, function_write_summary,
10777         variable_write_summary, variable_read_summary.  Added generate_summary,
10778         write_summary, read_summary.
10779         * cgraphunit.c (cgraph_process_new_functions): Changed call from
10780         pass_ipa_inline.function_generate_summary, to
10781         compute_inline_parameters.
10782         * ipa-inline.c (compute_inline_parameters): Made public and added
10783         node parameter.
10784         (compute_inline_parameters_for_current): New function.
10785         (pass_inline_param): Now calls compute_inline_parameters_for_current.
10786         (inline_generate_summary): Removed parameter and made to loop over
10787         all cgraph nodes.
10788         (pass_ipa_inline): Updated for new IPA_PASS structure.
10789         * passes.c (execute_ipa_summary_passes): Now is called once per
10790         pass rather than once per node*pass.
10791
10792 2008-05-15  Anatoly Sokolov <aesok@post.ru>
10793
10794         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
10795         avr_have_mul_p, avr_asm_only_p): Remove variables.
10796         (avr_override_options): Remove initialization of removed variables.
10797         (avr_file_start):  Convert removed variables to fields of
10798         'struct base_arch_s *avr_current_arch'.
10799         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
10800         (AVR_HAVE_MUL): (Ditto.).
10801         (AVR_HAVE_MOVW): (Ditto.).
10802         (AVR_HAVE_LPMX): (Ditto.).
10803         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
10804         avr_asm_only_p): Remove declaration.
10805
10806 2008-05-15  Diego Novillo  <dnovillo@google.com>
10807
10808         * config/arm/arm.c (arm_return_in_memory): Fix return type.
10809         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
10810
10811 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
10812
10813         PR middle-end/36194
10814         * combine.c (check_conversion): Rename back to check_promoted_subreg.
10815         Don't call record_truncated_value from here.
10816         (record_truncated_value): Turn it into a for_each_rtx callback.
10817         (record_truncated_values): New function.
10818         (combine_instructions): Call note_uses with record_truncated_values.
10819         Change name of check_conversion to check_promoted_subreg.
10820
10821 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
10822
10823         * doc/sourcebuild.texi: Document support for torture tests.
10824
10825 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10826
10827         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
10828         to alternative 4 of operand 2.
10829
10830 2008-05-15  Richard Guenther  <rguenther@suse.de>
10831
10832         * tree-pass.h (current_pass): Declare.
10833         (get_pass_for_id): Likewise.
10834         * passes.c (passes_by_id, passes_by_id_size): New globals.
10835         (set_pass_for_id): New function.
10836         (get_pass_for_id): Likewise.
10837         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
10838         (execute_function_todo): Flush per function statistics.
10839         * toplev.c (compile_file): Init statistics.
10840         (general_init): Do early statistics initialization.
10841         (finalize): Finish statistics.
10842         * statistics.h (statistics_early_init): Declare.
10843         (statistics_init): Likewise.
10844         (statistics_fini): Likewise.
10845         (statistics_fini_pass): Likewise.
10846         (statistics_counter_event): Likewise.
10847         (statistics_histogram_event): Likewise.
10848         * statistics.c: New file.
10849         * Makefile.in (OBJS-common): Add statistics.o.
10850         (statistics.o): Add dependencies.
10851         * doc/invoke.texi (-fdump-statistics): Document.
10852
10853         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
10854         (insert): Likewise.
10855         (execute_pre): Use statistics_counter_event.
10856         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
10857         (substitute_and_fold): Increment it.  Use statistics_counter_event.
10858
10859 2008-05-15  Diego Novillo  <dnovillo@google.com>
10860
10861         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
10862
10863         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
10864         * tree-ssa-alias.c (new_type_alias): Remove references to
10865         sub-variables from comment.
10866         * tree-ssa-operands.c (swap_tree_operands): Likewise.
10867
10868 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10869
10870         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
10871         attribute to 1 only for insertps alternative.
10872
10873 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10874
10875         * config/bfin/bfin.md (loadbytes): New pattern.
10876         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
10877         (bfin_init_builtins): Initialize it.
10878         (bdesc_1arg): Add it.
10879
10880 2008-05-15  Sa Liu  <saliu@de.ibm.com>
10881
10882         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
10883         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
10884         * testsuite/lib/target-supports.exp: Add
10885         check_effective_target_fortran_integer_16.
10886
10887 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10888
10889         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
10890         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
10891         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
10892         (TARGET_RETURN_IN_MEMORY): Define.
10893
10894 2008-05-15  Richard Guenther  <rguenther@suse.de>
10895
10896         PR middle-end/36244
10897         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
10898         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
10899         represent unmodifiable vars.
10900
10901 2008-05-15  Richard Guenther  <rguenther@suse.de>
10902
10903         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
10904         INDIRECT_REF and TARGET_MEM_REF.
10905         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10906         TARGET_MEM_REF.
10907
10908 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10909             H.J. Lu  <hongjiu.lu@intel.com>
10910
10911         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
10912         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
10913         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
10914         insn alternatives.  Add missing alternatives.
10915         (*vec_concatv2di_rex64_sse4_1): Likewise.
10916         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
10917         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
10918         Require TARGET_SSE.
10919
10920 2008-05-15  Richard Guenther  <rguenther@suse.de>
10921
10922         PR tree-optimization/36009
10923         PR tree-optimization/36204
10924         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
10925         (determine_invariantness_stmt): Record the loop a store is
10926         always executed in.
10927         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
10928         dependency.
10929
10930 2008-05-15  Richard Guenther  <rguenther@suse.de>
10931
10932         PR tree-optimization/34330
10933         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
10934         through the pointer will alias the SMT.
10935
10936 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
10937
10938         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
10939
10940 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10941
10942         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
10943
10944 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10945             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10946
10947         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
10948         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
10949         (vashl_optab): New optab for vector/vector shifts.
10950         (vashr_optab): Ditto.
10951         (vlshr_optab): Ditto.
10952         (vrotl_optab): Ditto.
10953         (vrotr_optab): Ditto.
10954         (optab_subtype): New enum for optab_for_tree_code call.
10955         (optab_for_tree_code): Add enum optab_subtype argument.
10956
10957         * optabs.c (optab_for_tree_code): Take an additional argument to
10958         distinguish between a vector shift by a scalar and vector shift by
10959         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
10960         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
10961         vector shift by a vector.
10962         (expand_widen_pattern_expr): Pass additional argument to
10963         optab_for_tree_code.
10964
10965         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
10966         vrotl_optab, vrotr_optab.
10967
10968         * expr.c (expand_expr_real_1): Update calls to
10969         optab_for_tree_code to distinguish between vector shifted by a
10970         scalar and vector shifted by a vector.
10971         * tree-vectorizer.c (supportable_widening_operation): Ditto.
10972         (supportable_narrowing_operation): Ditto.
10973         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
10974         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
10975         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
10976         (vect_create_epilog_for_reduction): Ditto.
10977         (vectorizable_reduction): Ditto.
10978         (vectorizable_operation): Ditto.
10979         (vect_strided_store_supported): Ditto.
10980         (vect_strided_load_supported): Ditto.
10981         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
10982         * expmed.c (expand_shift): Ditto.
10983
10984         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
10985         scalar type.
10986         (ashr@var{m}3): Ditto.
10987         (vashl@var{m}3): Document new vector/vector shift standard name.
10988         (vashr@var{m}3): Ditto.
10989         (vlshr@var{m}3): Ditto.
10990         (vrotl@var{m}3): Ditto.
10991         (vrotr@var{m}3): Ditto.
10992
10993         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
10994         (PPERM_INVERT): Ditto.
10995         (PPERM_REVERSE): Ditto.
10996         (PPERM_REV_INV): Ditto.
10997         (PPERM_ZERO): Ditto.
10998         (PPERM_ONES): Ditto.
10999         (PPERM_SIGN): Ditto.
11000         (PPERM_INV_SIGN): Ditto.
11001         (PPERM_SRC1): Ditto.
11002         (PPERM_SRC2): Ditto.
11003
11004         * config/i386/sse.md (mulv2di3): Add SSE5 support.
11005         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
11006         allows a memory operand to be the value being added, and split it
11007         to improve vectorization.
11008         (sse5_pmacsdqh_mem): Ditto.
11009         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
11010         (sse5_mulv2div2di3_high): Ditto.
11011         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
11012         (vec_pack_trunc_v4si): Ditto.
11013         (vec_pack_trunc_v2di): Ditto.
11014         (sse5_pcmov_<mode>): Remove code that tried to use use
11015         andps/andnps instead of pcmov.
11016         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
11017         pmacsdqh instructions.
11018         (vec_widen_smult_lo_v4si): Ditto.
11019
11020         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
11021         (PPERM_INVERT): Ditto.
11022         (PPERM_REVERSE): Ditto.
11023         (PPERM_REV_INV): Ditto.
11024         (PPERM_ZERO): Ditto.
11025         (PPERM_ONES): Ditto.
11026         (PPERM_SIGN): Ditto.
11027         (PPERM_INV_SIGN): Ditto.
11028         (PPERM_SRC1): Ditto.
11029         (PPERM_SRC2): Ditto.
11030         (ix86_expand_sse_movcc): Move the SSE5 test after the if
11031         true/false tests.
11032         (ix86_expand_int_vcond): If SSE5 generate all possible integer
11033         comparisons.
11034         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
11035         says ignore whether the last reference is a memory operand.
11036
11037 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11038             Paolo Bonzini <bonzini at gnu dot org>
11039
11040         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
11041         shift patterns.
11042
11043         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
11044         (vlshr<mode>3): Rename from vlshr<mode>3.
11045         (vashr<mode>3): Rename from vashr<mode>3.
11046         (mulv4sf3): Change the names of vector shift patterns.
11047         (mulv4si3): Ditto.
11048         (negv4sf2): Ditt.
11049
11050         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
11051         shift insns.
11052
11053         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
11054         (SI_SHLHI): Ditto.
11055         (SI_SHL): Ditto.
11056         (SI_SHLI): Ditto.
11057         (SI_ROTH): Ditto.
11058         (SI_ROTHI): Ditto.
11059         (SI_ROT): Ditto.
11060         (SI_ROTI): Ditto.
11061         (SPU_RL_0): Ditto.
11062         (SPU_RL_1): Ditto.
11063         (SPU_RL_2): Ditto.
11064         (SPU_RL_3): Ditto.
11065         (SPU_RL_4): Ditto.
11066         (SPU_RL_5): Ditto.
11067         (SPU_RL_6): Ditto.
11068         (SPU_RL_7): Ditto.
11069         (SPU_SL_0): Ditto.
11070         (SPU_SL_1): Ditto.
11071         (SPU_SL_2): Ditto.
11072         (SPU_SL_3): Ditto.
11073         (SPU_SL_4): Ditto.
11074         (SPU_SL_5): Ditto.
11075         (SPU_SL_6): Ditto.
11076         (SPU_SL_7): Ditto.
11077
11078         * config/spu/spu.md (v): New iterator macro to add v for vector types.
11079         (floatunssidf2_internal): Change vector/vector shift names.
11080         (floatunsdidf2_internal): Ditto.
11081         (mulv8hi3): Ditto.
11082         (ashrdi3): Ditto.
11083         (ashrti3): Ditto.
11084         (cgt_df): Ditto.
11085         (cgt_v2df): Ditto.
11086         (dftsv): Ditto.
11087         (vashl<mode>3): Rename from ashl<mode>3.
11088         (vashr<mode>3): Rename from ashr<mode>3.
11089         (vlshr<mode>3): Rename from lshr<mode>3.
11090         (vrotl<mode>3): Rename from rotl<mode>3.
11091
11092 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11093
11094         PR target/36224
11095         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
11096         multiply gives the wrong value when doing widening multiplies.
11097         (vec_widen_smult_lo_v4si): Ditto.
11098
11099 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11100
11101         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
11102         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
11103         emit_library_call_value.
11104         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
11105         * tree.h (ECF_LIBCALL_BLOCK): Removed.
11106         * calls.c (initialize_argument_information, precompute_arguments,
11107         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
11108         (precompute_arguments): Removed flags parameter.
11109         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
11110
11111 2008-05-14  Richard Guenther  <rguenther@suse.de>
11112
11113         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
11114         Make sure to register the store if the use is a PHI_NODE.
11115
11116 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11117
11118         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
11119         memory if the component is to be referenced in BLKmode according
11120         to get_inner_reference.
11121
11122 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
11123
11124         * calls.c (emit_library_call_value_1): Restore code clearing
11125         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
11126
11127 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11128             Nicolas Roche  <roche@adacore.com>
11129
11130         * configure.ac: Add support for a "gcc_subdir" variable in
11131         config-lang.in, to denote a subdirectory where the language/GCC
11132         integration files are to be found.
11133         * configure: Regenerate.
11134
11135 2008-05-14  Ira Rosen  <irar@il.ibm.com>
11136
11137         PR tree-optimization/36098
11138         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
11139         value for the first load in the group in case of a gap.
11140         (vect_build_slp_tree): Check that there are no gaps in loads.
11141
11142 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11143
11144         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
11145         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
11146         expand_copysign_bit, ): Change call to emit_no_conflict_block to
11147         emit_insn and remove unneeded code to construct extra args.
11148         (emit_no_conflict_block): Removed.
11149         * optabls.h: (emit_no_conflict_block): Removed.
11150         * cse.c (cse_extended_basic_block): Remove search for
11151         REG_NO_CONFLICT note.
11152         * global.c: Removed incorrect comment added in revision 117.
11153         * expr.c (convert_move): Change call to emit_no_conflict_block to
11154         emit_insn.
11155         * recog.c: Change comments so that they do not mention
11156         REG_NO_CONFLICT.
11157         * local_alloc.c (combine_regs): Removed last parameter.
11158         (no_conflict_p): Removed.
11159         (block_alloc): Removed note, no_conflict_combined_regno and set
11160         local vars. Removed all code to process REG_NO_CONFLICT blocks.
11161         (combine_regs): Removed already_dead and code to look for
11162         REG_NO_CONFLICT notes.
11163         * lower_subreg (remove_retval_note): Removed code to look for
11164         REG_NO_CONFLICT block.
11165         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
11166         (resolve_clobber): Remove code to process libcalls that have
11167         REG_NO_CONFLICT notes.
11168         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
11169         case.
11170         * combine.c (can_combine_p, distribute_notes):  Removed
11171         REG_NO_CONFLICT case.
11172         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
11173         to emit_insns.
11174         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
11175         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
11176         Ditto.
11177         * reg-notes.def (NO_CONFLICT): Removed.
11178
11179 2008-05-14  David S. Miller  <davem@davemloft.net>
11180
11181         * config/sparc/sparc.c (sparc_profile_hook): If
11182         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
11183         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
11184         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11185
11186 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11187
11188         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11189
11190 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11191
11192         PR target/36222
11193         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11194         and op1 expansion before vector concat to have less live pseudos.
11195
11196 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11197
11198         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11199         ix86_expand_vector_set if supported.
11200
11201 2008-05-13  Diego Novillo  <dnovillo@google.com>
11202             Kenneth Zadeck  <zadeck@naturalbridge.com>
11203
11204         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11205
11206         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11207         phinodes_print_statistics, init_ssanames, fini_ssanames,
11208         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11209         release_ssa_name, release_defs, replace_ssa_name_symbol,
11210         ssanames_print_statistics): Move ...
11211         * tree-flow.h: ... here.
11212         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11213         Use FN instead of cfun.
11214         (make_ssa_name_fn): Rename from make_ssa_name.
11215         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11216         * tree-flow-inline.h (make_ssa_name): Move from
11217         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11218         * omp-low.c (expand_omp_parallel):
11219         * tree-flow-inline.h (redirect_edge_var_map_result):
11220         * tree-ssa.c (init_tree_ssa): Add argument FN.
11221         Use it instead of cfun.  Update all users.
11222
11223 2008-05-13  Tom Tromey  <tromey@redhat.com>
11224
11225         PR preprocessor/22168:
11226         * doc/cpp.texi (Top): Update menu.
11227         (Alternatives to Wrapper #ifndef): New node.
11228         (Other Directives): Document deprecation.
11229         (Obsolete Features): Remove menu.
11230         (Assertions): Merge node into Obsolete Features.
11231         (Obsolete once-only headers): Move earlier; rename to Alternatives
11232         to Wrapper #ifndef.
11233         * doc/cppopts.texi: Update.
11234         * c.opt (Wdeprecated): Enable for C and ObjC.
11235         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11236         (C++ Dialect Options): Move -Wno-deprecated from here to...
11237         (Warning Options): ... here.
11238
11239 2008-05-13  Richard Guenther  <rguenther@suse.de>
11240
11241         PR middle-end/36227
11242         * fold-const.c (fold_sign_changed_comparison): Do not allow
11243         changes in pointer-ness.
11244
11245 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11246
11247         PR target/24713
11248         * config/sh/sh.c (sh_expand_prologue): Don't clear
11249         RTX_FRAME_RELATED_P for push insns.
11250
11251 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11252
11253         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11254
11255 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11256
11257         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11258         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11259         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11260
11261 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11262
11263         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11264         (*vec_concatv4sf_sse): This.
11265         (*sse2_concatv2si): Renamed to ...
11266         (*vec_concatv2si_sse2): This.
11267         (*sse1_concatv2si): Renamed to ...
11268         (*vec_concatv2si_sse): This.
11269         (*vec_concatv2di_rex): Renamed to ...
11270         (*vec_concatv2di_rex64): This.
11271         (*vec_concatv2si_sse4_1): New.
11272         (*vec_concatv2di_rex64_sse4_1): Likewise.
11273
11274 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11275
11276         PR rtl-optimization/36111
11277         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11278         that was created for swappable operands.
11279
11280 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11281
11282         PR ada/36001
11283         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11284         * configure.ac: Add call to ACX_PROG_GNAT.
11285
11286 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11287
11288         * optc-gen.awk: Fix comment typo.
11289
11290 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11291
11292         * pretty-print.c (pp_integer_with_precision): Use
11293         HOST_LONG_LONG_FORMAT.
11294
11295 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11296
11297         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11298
11299 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11300
11301         * config/i386/i386.c (bdesc_ptest): Removed.
11302         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11303         (bdesc_args): Add __builtin_ia32_ptestz128,
11304         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11305         (ix86_init_mmx_sse_builtins): Updated.
11306         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11307         (ix86_expand_builtin): Updated.
11308
11309 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11310
11311         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11312         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11313
11314 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11315
11316         * value-prof.c (interesting_stringop_to_profile): Do not
11317         return early for BUILT_IN_MEMPCPY.
11318
11319 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11320
11321         * calls.c (expand_call): Don't use callgraph to increase
11322         preferred_stack_boundary.
11323
11324         * cgraph.h (cgraph_rtl_info): Use unsigned on
11325         preferred_incoming_stack_boundary.
11326
11327         * final.c (rest_of_clean_state): Use unsigned on
11328         preferred_stack_boundary.
11329
11330 2008-05-09  Tom Tromey  <tromey@redhat.com>
11331
11332         PR preprocessor/22231:
11333         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11334         proceeding.
11335
11336 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11337
11338         PR tree-optimization/36129
11339         * tree-ssa-ccp.c: Include value-prof.h.
11340         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11341         built-in function was folded to a constant.
11342         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11343
11344 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11345             Sebastian Pop  <sebastian.pop@amd.com>
11346
11347         * tree-scalar-evolution.c: Document instantiate_scev.
11348         (instantiate_parameters_1): Renamed instantiate_scev_1.
11349         Don't use the same loop for instantiation_loop and evolution_loop.
11350         (instantiate_scev): New.
11351         (instantiate_parameters): Moved...
11352         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11353         same loop twice.  Maintains the semantics for this function.
11354         * tree-scalar-evolution.h (instantiate_scev): Declare.
11355         (instantiate_parameters): ...here.  Now static inline.
11356         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11357         instead of resolve_mixers.
11358
11359 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11360
11361         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11362
11363 2008-05-09  Tomas Bily  <tbily@suse.cz>
11364
11365         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11366         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11367         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11368         * c-common.c (c_common_truthvalue_conversion): Likewise.
11369         * tree-object-size.c (compute_object_offset): Likewise.
11370         * tree-inline.c (estimate_num_insns_1): Likewise.
11371         * varasm.c (const_hash_1, compare_constant, copy_constant)
11372         (compute_reloc_for_constant, output_addressed_constants)
11373         (initializer_constant_valid_p): Likewise.
11374         * c-omp.c (check_omp_for_incr_expr): Likewise.
11375         * gimplify.c (gimplify_expr): Likewise.
11376         * c-typeck.c (c_finish_return): Likewise.
11377         * tree-vectorizer.c (supportable_widening_operation)
11378         (supportable_narrowing_operation): Likewise.
11379         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11380         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11381         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11382         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11383         (descr_info_loc): Likewise.
11384         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11385         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11386         (fold_unary): Likewise.
11387         * builtins.c (get_pointer_alignment): Likewise.
11388         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11389         (instantiate_parameters_1): Likewise.
11390         * tree.c (expr_align, stabilize_reference): Likewise.
11391         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11392         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11393         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
11394         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
11395         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
11396         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
11397         Likewise.
11398         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
11399         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
11400         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
11401         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
11402         (forward_propagate_comparison)
11403         (tree_ssa_forward_propagate_single_use_vars): Likewise.
11404         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
11405         * emit-rtl.c (component_ref_for_mem_expr)
11406         (set_mem_attributes_minus_bitpos): Likewise.
11407         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11408         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
11409         Likewise.
11410         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
11411         (build_function_call, pointer_diff, build_compound_expr)
11412         (c_finish_return): Likewise.
11413         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
11414         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
11415         Likewise.
11416         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
11417         * expr.c (is_aligning_offset): Likewise.
11418         * tree-ssa-alias.c (is_escape_site): Likewise.
11419         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
11420         (check_all_va_list_escapes): Likewise.
11421         * tree-ssa-loop-ivopts.c (determine_base_object)
11422         (determine_common_wider_type): Likewise.
11423         * dojump.c (do_jump): Likewise.
11424         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
11425         * tree-gimple.c (is_gimple_cast): Likewise.
11426         * fold-const.c (decode_field_reference, )
11427         (fold_sign_changed_comparison, fold_unary, fold_comparison)
11428         (fold_binary): Likewise.
11429         * tree-ssa-alias-warnings.c (find_alias_site_helper)
11430         (already_warned_in_frontend_p): Likewise.
11431         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
11432         * tree.c (really_constant_p, get_unwidened): Likewise.
11433         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
11434         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
11435         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
11436         Likewise.
11437         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
11438         CONVERT_EXPR_P.
11439         (CONVERT_EXPR_P): Define.
11440         (CASE_CONVERT): Define.
11441
11442 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
11443
11444         PR middle-end/36117
11445         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
11446         (delete_unmarked_insns): When deleting a call, call
11447         delete_unreachable_blocks.
11448         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11449         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
11450
11451 2008-05-08  Richard Guenther  <rguenther@suse.de>
11452
11453         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
11454         (-ftree-salias): Likewise.
11455         (salias-max-implicit-fields): Remove param documentation.
11456         (salias-max-array-elements): Likewise.
11457         * tree-pass.h (pass_create_structure_vars): Remove.
11458         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11459         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11460         * tree-ssa-alias.c (create_structure_vars): Remove.
11461         (gate_structure_vars): Likewise.
11462         (pass_create_structure_vars): Likewise.
11463         (gate_build_alias): Likewise.
11464         (pass_build_alias): Adjust to run always and dump the function.
11465         * common.opt (ftree-salias): Hide.
11466         * passes.c (init_optimization_passes): Remove
11467         pass_create_structure_vars, adjust comment.
11468         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11469         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11470         * opts.c (decode_options): Do not set flag_tree_salias.
11471         (common_handle_option): Add OPT_ftree_salias to the backward
11472         compatibility section.
11473
11474 2008-05-08  Richard Guenther  <rguenther@suse.de>
11475
11476         * tree-flow-inline.h (var_can_have_subvars): Move ...
11477         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
11478         * tree-flow.h (var_can_have_subvars): Remove.
11479         (push_fields_onto_fieldstack): Remove.
11480         (sort_fieldstack): Likewise.
11481         (struct fieldoff): Move ...
11482         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
11483         alias_set and base_for_components fields.
11484         (sort_fieldstack): Make static.
11485         (push_fields_onto_fieldstack): Likewise.  Remove code that
11486         handles anything but RECORD_TYPEs.  Remove alias_set and
11487         base_for_components handling.
11488         (create_variable_info_for): Adjust.
11489
11490 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
11491
11492         * common.opt (Wframe-larger-than=): Shorten the help message
11493         to one line.
11494         * doc/invoke.texi (Wframe-larger-than=): Add more description.
11495
11496 2008-05-08  Rafael Espindola  <espindola@google.com>
11497
11498         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
11499         trap.
11500         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
11501         trap and that both operands are gimple values.
11502         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
11503         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
11504         is a fp operation.
11505
11506 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11507
11508         * read-rtl.c (join_c_conditions): Return the first string if the
11509         two strings are equal.
11510
11511 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11512
11513         * gensupport.h (pred_data): Add a "num_codes" field.
11514         (add_predicate_code): Declare.
11515         * gensupport.c (add_predicate_code): New function.
11516         (std_pred_table): Add an "allows_const_p" field.
11517         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
11518         Remove the (incomplete) list of such codes from the codes field.
11519         (init_predicate_table): Use add_predicate_code.  Add all
11520         RTX_CONST_OBJs if allows_const_p is true.
11521         * genrecog.c (process_define_predicate): Use add_predicate_code.
11522
11523 2008-05-08  David Daney  <ddaney@avtrex.com>
11524             Richard Sandiford  <rsandifo@nildram.co.uk>
11525
11526         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
11527         special case of constant zero operands.
11528         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
11529         old and new values.  Special case constant zero values.
11530         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
11531         fails.
11532         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
11533         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
11534
11535 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
11536
11537         PR target/36090
11538         * simplify-rtx.c (simplify_plus_minus): Create CONST of
11539         similar RTX_CONST_OBJ before CONST_INT.
11540
11541 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
11542
11543         * stmt.c (expand_stack_restore): Change sa mode if needed.
11544
11545 2008-05-08  Richard Guenther  <rguenther@suse.de>
11546
11547         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
11548         return type to bool.
11549         (ix86_sol10_return_in_memory): Likewise.
11550         (ix86_i386elf_return_in_memory): Likewise.
11551         (ix86_i386interix_return_in_memory): Likewise.
11552         * config/i386/i386.c (ix86_return_in_memory): Likewise.
11553         (ix86_sol10_return_in_memory): Likewise.
11554         (ix86_i386elf_return_in_memory): Likewise.
11555         (ix86_i386interix_return_in_memory): Likewise.
11556
11557 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11558
11559         PR bootstrap/36180
11560         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
11561         fndecl argument.
11562         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
11563         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
11564         declared in front.
11565
11566 2008-05-08  Richard Guenther  <rguenther@suse.de>
11567
11568         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
11569         * tree-data-ref.h (struct dr_alias): Remove subvars field.
11570         (DR_SUBVARS): Remove.
11571         * tree-dfa.c (dump_subvars_for): Remove.
11572         (debug_subvars_for): Likewise.
11573         (dump_variable): Do not dump subvars.
11574         (remove_referenced_var): Do not remove subvars.
11575         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
11576         (lookup_subvars_for_var): Remove.
11577         (get_subvars_for_var): Likewise.
11578         (get_subvars_at): Likewise.
11579         (get_first_overlapping_subvar): Likewise.
11580         (overlap_subvar): Likewise.
11581         * tree-flow.h (subvar_t): Remove.
11582         (struct var_ann_d): Remove subvars field.
11583         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
11584         argument.  Remove special handling of SFTs.
11585         (compute_tag_properties): Likewise.
11586         (set_initial_properties): Likewise.
11587         (compute_call_clobbered): Likewise.
11588         (count_mem_refs): Likewise.
11589         (compute_memory_partitions): Likewise.
11590         (compute_flow_insensitive_aliasing): Likewise.
11591         (setup_pointers_and_addressables): Likewise.
11592         (new_type_alias): Likewise.
11593         (struct used_part): Remove.
11594         (used_portions): Likewise.
11595         (struct used_part_map): Likewise.
11596         (used_part_map_eq): Likewise.
11597         (used_part_map_hash): Likewise.
11598         (free_used_part_map): Likewise.
11599         (up_lookup): Likewise.
11600         (up_insert): Likewise.
11601         (get_or_create_used_part_for): Likewise.
11602         (create_sft): Likewise.
11603         (create_overlap_variables_for): Likewise.
11604         (find_used_portions): Likewise.
11605         (create_structure_vars): Likewise.
11606         * tree.def (STRUCT_FIELD_TAG): Remove.
11607         * tree.h (MTAG_P): Adjust.
11608         (struct tree_memory_tag): Remove base_for_components and
11609         unpartitionable flags.
11610         (struct tree_struct_field_tag): Remove.
11611         (SFT_PARENT_VAR): Likewise.
11612         (SFT_OFFSET): Likewise.
11613         (SFT_SIZE): Likewise.
11614         (SFT_NONADDRESSABLE_P): Likewise.
11615         (SFT_ALIAS_SET): Likewise.
11616         (SFT_UNPARTITIONABLE_P): Likewise.
11617         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
11618         (union tree_node): Remove sft field.
11619         * alias.c (get_alias_set): Remove special handling of SFTs.
11620         * print-tree.c (print_node): Remove handling of SFTs.
11621         * tree-dump.c (dequeue_and_dump): Likewise.
11622         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
11623         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
11624         * tree-predcom.c (set_alias_info): Do not set subvars.
11625         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
11626         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
11627         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
11628         (add_vars_for_offset): Remove.
11629         (add_virtual_operand): Remove special handling of SFTs.
11630         (add_call_clobber_ops): Likewise.
11631         (add_call_read_ops): Likewise.
11632         (get_asm_expr_operands): Likewise.
11633         (get_modify_stmt_operands): Likewise.
11634         (get_expr_operands): Likewise.
11635         (add_to_addressable_set): Likewise.
11636         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
11637         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
11638         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
11639         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
11640         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
11641         (tree_node_structure): Likewise.
11642         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
11643         handling of SFTs.
11644         (find_what_p_points_to): Likewise.
11645
11646 2008-05-08  Sa Liu  <saliu@de.ibm.com>
11647
11648         * config/spu/spu.md: Fixed subti3 pattern.
11649
11650 2008-05-08  Richard Guenther  <rguenther@suse.de>
11651
11652         PR middle-end/36154
11653         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
11654         sure to create a representative for trailing arrays for PTA.
11655
11656 2008-05-08  Richard Guenther  <rguenther@suse.de>
11657
11658         PR middle-end/36172
11659         * fold-const.c (operand_equal_p): Two objects which types
11660         differ in pointerness are not equal.
11661
11662 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11663
11664         * calls.c (compute_argument_block_size): Add argument tree fndecl.
11665         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
11666         (emit_library_call_value_1): Add new variable fndecl initialized by
11667         NULL_TREE. It should be the decl type of orgfun, but this information
11668         seems not to be available here, so it uses the default calling abi.
11669         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
11670         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
11671         by TARGET_RETURN_IN_MEMORY.
11672         * config/i386/i386-interix.h: Likewise.
11673         * config/i386/i386.h: Likewise.
11674         * config/i386/i386elf.h: Likewise.
11675         * config/i386/ptx4-i.h: Likewise.
11676         * config/i386/sol2-10.h: Likewise.
11677         * config/i386/sysv4.h: Likewise.
11678         * config/i386/vx-common.h: Likewise.
11679         * config/cris/cris.h: Removed #if 0 clause.
11680         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
11681         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
11682         argument.
11683         (ix86_sol10_return_in_memory): Likewise.
11684         (ix86_i386elf_return_in_memory): New.
11685         (ix86_i386interix_return_in_memory): New.
11686         * config/mt/mt-protos.h (mt_return_in_memory): New.
11687         * config/mt/mt.c: Likewise.
11688         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11689         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
11690         * config/bfin/bfin.h: Likewise.
11691         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
11692         argument.
11693         * config/bfin/bfin.c: Likewise.
11694         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11695         * config/alpha/unicosmk.h: Likewise.
11696         * config/i386/cygming.h: Likewise.
11697         * config/iq2000/iq2000.h: Likewise.
11698         * config/mips/mips.h: Likewise.
11699         * config/mn10300/mn10300.h: Likewise.
11700         * config/rs6000/rs6000.h: Likewise.
11701         * config/score/score.h: Likewise.
11702         * config/spu/spu.h: Likewise.
11703         * config/v850/v850.h: Likewise.
11704         * defaults.h: Likewise.
11705         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
11706         * expr.c (emit_block_move): Adjust use of
11707         OUTGOING_REG_PARM_STACK_SPACE.
11708         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
11709         OUTGOING_REG_PARM_STACK_SPACE.
11710         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
11711
11712 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
11713
11714         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
11715         on OMP_RETURN for OMP_FOR.
11716
11717         PR debug/35896
11718         * dwarf2out.c (dw_expand_expr, common_check): Removed.
11719         (fortran_common): New function.
11720         (gen_variable_die): Call fortran_common instead of common_check,
11721         adjust for it returning tree instead of rtx.  Formatting.
11722
11723 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
11724
11725         PR rtl/7335
11726         PR rtl/33826
11727         * see.c (see_copy_insn): Copy new pure const attributes for new call.
11728         * c-decl.c (merge_decls): Ditto.
11729         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
11730         to RTL_CONST_OR_PURE_CALL_P.
11731         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
11732         Initialized DECL_LOOPING_CONST_PURE.
11733         (process_call_operands): Set tree_side_effects properly.
11734         * tree.h (TREE_READONLY_DECL_P): Removed.
11735         (DECL_IS_PURE): Renamed to DECL_PURE_P.
11736         (DECL_LOOPING_OR_CONST_P): New macro.
11737         (struct tree_function_decl): Added looping_const_or_pure_p.
11738         (ECF_*) Renumbered.
11739         (ECF_LOOPING_OR_CONST_P): New macro.
11740         * rtlanal.c (pure_const_p): Removed.
11741         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
11742         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
11743         to RTL_CONST_CALL_P.
11744         * ipa-pure-const.c (pure_const_state_e): Added looping field.
11745         (check_decl, check_tree, check_call, scan_function): Initialize
11746         looping.
11747         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
11748         (static_execute): Set looping true for recursive functions.
11749         Undo setting state to IPA_NEITHER for recursive functions.
11750         * cse.c (cse_insn):
11751         * ifcvt.c (noce_can_store_speculate_p): Changed
11752         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
11753         RTL_CONST_OR_PURE_CALL_P.
11754         * dse.c (scan_insn): Ditto.
11755         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
11756         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
11757         RTL_CONST_OR_PURE_CALL_P.
11758         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
11759         pure_call_p to RTL_CONST_CALL_P.
11760         * gimplify.c (gimplify_call_expr): Clear side effects for
11761         non-looping pure and constant calls.
11762         * calls.c (emit_call_1): Set rtl flags from ecf flags.
11763         (flags_from_decl_or_type): Set ecf flags from decl flags.
11764         (initialize_argument_information): Turn off
11765         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
11766         Change const to pure if callee_copies is true rather than just
11767         turning off const.
11768         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
11769         way of marking pure calls.
11770         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
11771         Remove hack that was supposed to fix pr7335 and remove old
11772         way of marking pure calls.
11773         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
11774         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
11775         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
11776         RTL_CONST_OR_PURE_CALL_P.
11777         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
11778         * loop-invariant.c (find_exits, find_invariant_bb): Changed
11779         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
11780         * sched-deps.c (schedule_analyze): Ditto.
11781         * rtl.h (struct rtx_def): Use call field, unchanging field, and
11782         return_val field of calls to represent pure and const function info.
11783         (CONST_OR_PURE_CALL_P): Deleted macro.
11784         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11785         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
11786         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
11787         TREE_READONLY.
11788         * tree-optimize.c (execute_fixup_cfg): Added test for
11789         ECF_LOOPING_CONST_OR_PURE.
11790         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
11791         DECL_PURE_P.
11792         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
11793         effects for looping pure or const calls.
11794         (verify_gimple_expr): Added verification code.
11795         * config/alpha/alpha.c (alpha_legitimize_address,
11796         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
11797         RTL_CONST_CALL_P.
11798         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
11799         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
11800         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
11801         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
11802         RTL_CONST_OR_PURE_CALL_P.
11803         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
11804         and const calls to be deleted.
11805
11806 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11807
11808         PR target/35714
11809         * config/i386/mmx.md (mmx_subv2sf3): New expander.
11810         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
11811         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
11812         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11813         to handle nonimmediate operands.
11814         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
11815         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
11816         to handle nonimmediate operands.
11817         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
11818         (mmx_pmulhrwv4hi3): New expander.  Use
11819         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11820         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
11821         (sse2_umulv1siv1di3): New expander.  Use
11822         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11823         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
11824         (mmx_eq<mode>3): New expander.  Use
11825         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11826         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
11827         (mmx_uavgv8qi3): New expander.  Use
11828         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11829         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
11830         (mmx_uavgv4hi3): New expander.  Use
11831         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11832
11833         * config/i386/sse.md
11834         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
11835         to handle nonimmediate operands.
11836         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
11837         to handle nonimmediate operands.
11838         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
11839         to handle nonimmediate operands.
11840         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
11841         to handle nonimmediate operands.
11842         (sse2_unpckhpd_exp): New expander.  Use
11843         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11844         (sse2_unpcklpd_exp): New expander.  Use
11845         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11846         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
11847         to handle nonimmediate operands.
11848         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
11849         to handle nonimmediate operands.
11850         (*sse2_<plusminus_insn><mode>3): Rename from
11851         sse2_<plusminus_insn><mode>3 insn pattern.
11852         (sse2_<plusminus_insn><mode>3): New expander.  Use
11853         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11854         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
11855         (sse2_umulv2siv2di3): New expander.  Use
11856         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11857         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
11858         (sse4_1_mulv2siv2di3): New expander.  Use
11859         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11860         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
11861         (sse2_pmaddwd): New expander.  Use
11862         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11863         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
11864         (sse2_eq<mode>3): New expander.  Use
11865         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11866         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
11867         (sse4_1_eqv2di3): New expander.  Use
11868         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11869         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11870         (sse2_uavgv16qi3): New expander.  Use
11871         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11872         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11873         (sse2_uavgv16qi3): New expander.  Use
11874         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11875         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
11876         (sse2_uavgv8hi3): New expander.  Use
11877         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11878         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
11879         (ssse3_pmulhrswv8hi3): New expander.  Use
11880         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11881         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
11882         (ssse3_pmulhrswv4hi3): New expander.  Use
11883         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11884
11885         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
11886         (<sse>_vmmul<mode>3): Ditto.
11887         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
11888         (divv2df3): Ditto.
11889         (ssse3_pmaddubsw128): Use register_operand for operand 1.
11890         (ssse3_pmaddubsw): Ditto.
11891
11892         * config/i386/i386.c (struct_builtin_description)
11893         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
11894         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
11895         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
11896         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
11897         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
11898         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
11899         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
11900         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
11901         (ix86_fixup_binary_operands): Assert that src1
11902         and src2 must have the same mode when swapped.
11903         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
11904         and ix86_binary_operator_ok.  Do not force operands in registers
11905         when optimizing.
11906
11907 2008-05-07  Jan Hubicka  <jh@suse.cz>
11908
11909         * cgraph.c (dump_cgraph_node): Update.
11910         * cgraph.h (cgraph_local_info): Break out inline summary.
11911         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
11912         hook.
11913         * ipa-inline (inline_summary): New accestor function.
11914         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
11915         cgraph_decide_inlining, compute_inline_parameters): Update.
11916         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
11917
11918 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
11919
11920         Cleanup ColdFire scheduling support and add V4 pipeline model.
11921
11922         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
11923         (define_attr cpu): Add cfv4 value.
11924         (define_attr type, define_attr type1): Merge into a single 'type'
11925         attribute.  Update all uses.
11926         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
11927         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
11928         Update all uses.
11929         (define_attr opx_mem, define_attr opy_mem): Remove.
11930         (define_attr op_mem): Clean up, update comment.
11931         (define_attr size): Use specific values instead of general int.
11932         (define_attr guess, define_attr split): Remove.  Update all uses.
11933         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
11934         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
11935         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
11936         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
11937         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
11938         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
11939         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
11940         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
11941         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
11942         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
11943         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
11944         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
11945         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
11946         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
11947         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
11948         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
11949         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
11950         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
11951         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
11952         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
11953         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
11954         Update or set attributes.
11955         (stack_tie): New fake instruction.
11956
11957         * config/m68k/m68k.h (TUNE_CFV4): New macro.
11958         (m68k_sched_attr_size): Update declaration.
11959         (m68k_sched_attr_type2): Remove.
11960         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
11961         Declare new bypass predicates.
11962
11963         * config/m68k/m68k.c (m68k_sched_issue_rate,
11964         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
11965         implementations.
11966         (TARGET_SCHED_ISSUE_RATE,
11967         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
11968         (override_options): Handle scheduling for ColdFire V4 core.
11969         (m68k_expand_prologue): Emit stack_tie.
11970         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
11971         'OP_TYPE_FPN'.  Update all uses.
11972         (sched_guess_p): Remove.
11973         (sched_address_type): Handle symbolic addresses.
11974         (sched_get_operand): New static function.
11975         (sched_operand_type): Merge into sched_attr_op_type.
11976         (sched_attr_op_type): Handle FP registers, handle quick constants,
11977         update.
11978         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
11979         (m68k_sched_attr_size): Update.  Move logic to ...
11980         (sched_get_attr_size_int): New static function.
11981         (sched_get_opxy_mem_type): New static function.
11982         (m68k_sched_attr_op_mem): Update.
11983         (m68k_sched_attr_type2): Remove.
11984         (sched_cfv4_bypass_data): New static variable.
11985         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
11986         (m68k_sched_issue_rate): Implement scheduler hook.
11987         (struct _sched_ib: enabled_p): New field.
11988         (m68k_sched_variable_issue): Update.  Handle V4.
11989         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
11990         sched_dump_class_func_t, sched_dump_split_class,
11991         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
11992         sched_dump_dfa_class, m68k_sched_dump): Remove.
11993         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
11994         hook.
11995         (m68k_sched_init_global): Remove statisctics dumping, introduce
11996         sanity check that all instructions have pipeline reservations.  Handle
11997         ColdFire V4 core.
11998         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
11999         Handle ColdFire V4 core.
12000         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
12001         New static functions.
12002         (m68k_sched_address_bypass_p): New bypass predicate.
12003         (sched_get_indexed_address_scale): New static function.
12004         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
12005
12006         * cf.md: Update comments.
12007         (define_attr type2): Remove.  Use 'type' attribute instead.
12008         Update all uses.
12009         (cf_ib): Rename to cfv123_ib.  Update all uses.
12010         (cf_oep): Rename to cfv123_oep.  Update all uses.
12011         (cf_chr): Rename to cfv123_chr.  Update all uses.
12012         (cf_mem): Rename to cfv123_mem.  Update all uses.
12013         (cf_mac): Move to more appropriate place.
12014         (cfv123_guess): New automaton and cpu_unit.
12015         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
12016         Update uses of 'size' attribute.  Handle before reload scheduling.
12017         (cfv123_guess): New dummy reservation for unhandled instructions.
12018         (cfv4_*): Pipeline description of ColdFire V4 core.
12019         (ignore): New reservation to handle 'ignore' type.
12020
12021 2008-05-07  Ian Lance Taylor  <iant@google.com>
12022
12023         PR middle-end/36013
12024         * gimplify.c (find_single_pointer_decl_1): Don't look through
12025         indirections.
12026         (find_single_pointer_decl): Adjust comments.
12027
12028 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
12029
12030         PR middle-end/36137
12031         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
12032         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
12033
12034         PR middle-end/36106
12035         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
12036         integral type rather than floating point, then VIEW_CONVERT_EXPR
12037         to the floating point type.
12038
12039 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12040
12041         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
12042         TFmode op0 to register.
12043
12044 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
12045
12046         * c-decl.c (grokdeclarator): Comment typo.
12047
12048 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
12049
12050         * tree-flow.h: Remove prototype for computed_goto_p.
12051         * tree-cfg.c (computed_goto_p): Make static.
12052
12053 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12054
12055         PR target/35657
12056         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
12057         (contains_aligned_value_p): This.  Handle _Decimal128.
12058         (ix86_function_arg_boundary): Only align _Decimal128 to its
12059         natural boundary and handle it properly.
12060
12061 2008-05-06  Martin Jambor  <mjambor@suse.cz>
12062
12063         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
12064         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
12065         (ipcp_method_set_orig_node): Removed.
12066         (ipcp_cval_get_cvalue_type): Removed.
12067         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
12068         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
12069         (ipcp_cval_set_cvalue_type): Removed.
12070         (ipcp_cval_get_cvalue): Removed.
12071         (ipcp_cval_set_cvalue): Removed.
12072         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
12073         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
12074         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
12075         (ipcp_cval_meet): Renamed to ipa_lattice_meet
12076         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
12077         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
12078         (ipcp_get_ith_lattice): Changed parameters.
12079         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
12080         (ipcp_lattice_from_jfunc): Changed parameters.
12081         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
12082         (ipcp_method_cval_print): Added temporary variable info.
12083         (ipcp_redirect): Removed already unused local variable caller.
12084         (ipcp_redirect): New temporary variable orig_callee_info
12085         (ipcp_redirect): Removed newly unused local variable callee.
12086         (ipcp_redirect): Removed (a bit confusing) local variable type.
12087         (ipcp_insert_stage): Added local variable info.
12088         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
12089         renamed too
12090         (ipcp_formal_create): Removed.
12091         (ipcp_method_cval_set): Removed.
12092         (ipcp_propagate_stage): Renamed lattice variables.
12093         (ipcp_method_cval_set_cvalue_type): Removed.
12094         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
12095         (ipcp_print_all_lattices): Changed printed strings to refer to
12096         lattices rather than cvals.
12097         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
12098         (ipcp_propagate_const): Changed formal parameters.
12099         (build_const_val): Changed formal parameters.
12100         (ipcp_insert_stage): Removed useless variable cvalue
12101         (build_const_val): Changed formal parameters.
12102         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
12103         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
12104         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
12105         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
12106         (ipcp_print_func_profile_counts): Changed string from "method" to
12107         "function"
12108         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
12109         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
12110         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
12111         (ipcp_structures_print): Renamed to ipcp_print_all_structures
12112         (ipcp_profile_print): Renamed to ipcp_print_profile_data
12113         (ipcp_lat_is_const): Changed parameters and made inline.
12114         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
12115         (ipcp_redirect): Renamed to ipcp_need_redirect_p
12116         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
12117         the predicate condition directly
12118         (ipcp_propagate_stage): Added local variable args. Removed local
12119         variable callee.  (Both are mere code simplifications.)
12120         (ipcp_method_dont_insert_const): Renamed to
12121         ipcp_node_not_modifiable_p.
12122         (ipcp_node_not_modifiable_p): Made inline.
12123         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
12124         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
12125         (ipcp_print_all_lattices): Removed variable cvalue
12126         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
12127         Updated comments.
12128
12129 2008-05-06  Olivier Hainque  <hainque@adacore.com>
12130
12131         * tree-sra.c (try_instantiate_multiple_fields): Early return
12132         if field has POINTER_TYPE.
12133
12134 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
12135
12136         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
12137         by using 'q' specifier for instruction.
12138         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12139
12140 2008-05-06  Anatoly Sokolov <aesok@post.ru>
12141
12142         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12143         Change mode of zero_extract from QImode to HImode.
12144         (sign bit tests peepholes): (Ditto.).
12145
12146 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
12147
12148         * config/i386/mmx.md: Remove double backslashes from asm templates.
12149         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
12150         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12151         to handle nonimmediate operands.
12152         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
12153         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12154         to handle nonimmediate operands.
12155         (*mmx_<code>v2sf3_finite): New insn pattern.
12156         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
12157         (mmx_<code>v2sf3): New expander.  Use
12158         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12159         (mmx_<plusminus_insn><mode>3): New expander.  Use
12160         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12161         (*mmx_<plusminus_insn><mode>3): New insn pattern.
12162         (mmx_add<mode>3): Removed.
12163         (mmx_ssadd<mode>3): Ditto.
12164         (mmx_usadd<mode>3): Ditto.
12165         (mmx_sub<mode>3): Ditto.
12166         (mmx_sssub<mode>3): Ditto.
12167         (mmx_ussub<mode>3): Ditto.
12168         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
12169         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
12170         to handle nonimmediate operands.
12171         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
12172         insn pattern.
12173         (mmx_smulv4hi3_highpart): New expander.  Use
12174         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12175         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
12176         insn pattern.
12177         (mmx_umulv4hi3_highpart): New expander.  Use
12178         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12179         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
12180         (mmx_<code>v4hi3): New expander.  Use
12181         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12182         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
12183         (mmx_<code>v8qi3): New expander.  Use
12184         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12185         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12186         (mmx_<code><mode>3): New expander.  Use
12187         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12188
12189 2008-05-05  Jan Hubicka  <jh@suse.cz>
12190
12191         PR tree-optimization/36118
12192         * passes.c (pass_init_dump_file): Fix dump header.
12193
12194 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12195
12196         PR middle-end/36141
12197         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12198         VCE for function decls.
12199
12200 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12201
12202         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12203
12204 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12205
12206         * config/i386/i386.md (sat_plusminus): New.
12207         (plusminus_insn): Likewise.
12208         (plusminus_mnemonic): Likewise.
12209         (addsub): Removed.
12210         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12211         (*<addsub><mode>3_cc_overflow): Renamed to ...
12212         (*<plusminus_insn><mode>3_cc_overflow): This.
12213         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12214         (*<plusminus_insn>si3_zext_cc_overflow): This.
12215
12216         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12217         (<plusminus_insn><mode>3): This.
12218         (*<addsub><mode>3): Renamed to ...
12219         (*<plusminus_insn><mode>3): This.
12220         (<sse>_vm<addsub><mode>3): Renamed to ...
12221         (<sse>_vm<plusminus_insn><mode>3): This.
12222         (sse3_h<addsub>v4sf3): Renamed to ...
12223         (sse3_h<plusminus_insn>v4sf3): This.
12224         (sse3_h<addsub>v2df3): Renamed to ...
12225         (sse3_h<plusminus_insn>v2df3): This.
12226         (<plusminus_insn><mode>3): New.
12227         (*<plusminus_insn><mode>3): Likewise.
12228         (sse2_<plusminus_insn><mode>3): Likewise.
12229         (add<mode>): Removed.
12230         (*add<mode>3): Likewise.
12231         (sse2_ssadd<mode>3): Likewise.
12232         (sse2_usadd<mode>3): Likewise.
12233         (sub<mode>3): Likewise.
12234         (*sub<mode>3): Likewise.
12235         (sse2_sssub<mode>3): Likewise.
12236         (sse2_ussub<mode>3): Likewise.
12237
12238 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12239
12240         * gthr-single.h: Add in required interface elements as per gthr.h.
12241         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12242         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12243         Generalize UNUSED macro.
12244         (__gthread_once): Add.
12245         (__gthread_key_create): Add.
12246         (__gthread_key_delete): Add.
12247         (__gthread_getspecific): Add.
12248         (__gthread_setspecific): Add.
12249
12250 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12251
12252         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12253         the same size types for the indirect reference on the rhs, then
12254         create a VCE.
12255
12256 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12257
12258         * config/i386/i386.md
12259         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12260         one insn template instead of template series.
12261         (*xordi_1_rex64): Ditto.
12262         (*xordi_2_rex64): Ditto.
12263
12264 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12265
12266         PR tree-optimization/36119
12267         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12268         in case of SLP.
12269
12270 2008-06-04  Jan Hubicka  <jh@suse.cz>
12271
12272         tree-optimization/36100
12273         * tree-pass.h (pass_O0_always_inline): Declare.
12274         * ipa-inline.c (inline_transform): Remove dead code.
12275         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12276         pass_O0_always_inline): New.
12277         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12278
12279 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12280
12281         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12282         mnemonic in this_param move for TARGET_64BIT.
12283
12284 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12285
12286         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12287         (*strmovsi_rex_1): Ditto.
12288         (*strsetsi_1): Ditto.
12289         (*strsetsi_rex_1): Ditto.
12290
12291         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12292         adddicc expanders using SWI mode iterator.
12293
12294 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12295
12296         PR target/36121
12297         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12298         argument handling.
12299
12300 2008-05-04  David S. Miller  <davem@davemloft.net>
12301
12302         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12303         (sparc*-*-linux*): Use linux.h in tm_file.
12304         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12305         compiler defaulting to 32-bit.
12306         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12307         no longer needed.
12308         * config/sparc/linux.h: Remove definitions now obtained
12309         properly from linux.h
12310         * config/sparc/linux64.h: Likewise.
12311         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12312         don't want this setting for 32-bit builds in a biarch compiler.
12313         * doc/install.texi: Add sparc-linux to list of targets
12314         supporting --enable-targets=all.
12315
12316 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12317
12318         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12319
12320 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12321
12322         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12323         after V4SI_FTYPE_V8HI.
12324         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12325         case V4SI_FTYPE_V2DF.
12326
12327 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12328
12329         * doc/invoke.texi (max-flow-memory-locations): Removed.
12330         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12331
12332 2008-05-03  Richard Guenther  <rguenther@suse.de>
12333
12334         PR middle-end/34973
12335         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12336
12337 2008-05-02  David S. Miller  <davem@davemloft.net>
12338
12339         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12340
12341 2008-05-02  Simon Baldwin <simonb@google.com>
12342
12343         PR bootstrap/36108
12344         * c-common.h (warn_array_subscript_range): Removed.
12345         * c-common.c (warn_array_subscript_range): Ditto.
12346         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12347         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12348
12349 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12350
12351         * config/i386/i386.c (ix86_special_builtin_type): New.
12352         (bdesc_special_args): Likewise.
12353         (ix86_expand_special_args_builtin): Likewise.
12354         (ix86_init_mmx_sse_builtins): Updated.
12355         (ix86_expand_builtin): Updated.
12356         (ix86_expand_store_builtin): Removed.
12357         (ix86_expand_unop_builtin): Likewise.
12358
12359         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12360         * config/i386/mmintrin.h (__v2sf): Here.
12361
12362         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12363         const __v2sf.
12364         (_mm_loadl_pi): Likewise.
12365         (_mm_storeh_pi): Replace __v2si with __v2sf.
12366         (_mm_storel_pi): Likewise.
12367
12368         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12369         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12370         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12371         __builtin_ia32_loadlpd.
12372
12373 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12374
12375         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12376         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12377         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12378         (ix86_init_mmx_sse_builtins): Updated.
12379         (ix86_expand_args_builtin): Likewise.
12380         (ix86_expand_builtin): Likewise.
12381         (ix86_expand_unop1_builtin): Renamed to ...
12382         (ix86_expand_unop_vec_merge_builtin): This.
12383
12384 2008-05-01  Jan Hubicka  <jh@suse.cz>
12385
12386         PR bootstrap/36100
12387         * ipa-inline.c (inline_generate_summary): Make static.
12388         (inline_transform): Do not call inlining at -O0; make static.
12389         * passes.c (execute_todo): Add sanity check.
12390         (execute_one_ipa_transform_pass): Execute proper flags.
12391
12392 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
12393
12394         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
12395         (DECL_NONADDRESSABLE_P): Likewise.
12396         * alias.c (record_component_aliases): Fix comment.
12397
12398 2008-05-01  Simon Baldwin <simonb@google.com>
12399
12400         * c-common.h (warn_array_subscript_range): New function.
12401         * c-common.c (warn_array_subscript_range): Ditto.
12402         * tree-vrp.c (check_array_ref): Corrected code to agree with
12403         comment, ignoring only arrays of size 0 or size 1.
12404         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
12405
12406 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12407
12408         * config/i386/i386.c (ix86_builtin_type): Replace
12409         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
12410         (bdesc_args): Updated.
12411         (ix86_init_mmx_sse_builtins): Likewise.
12412         (ix86_expand_args_builtin): Likewise.
12413
12414         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
12415         with __v1di.
12416
12417         * doc/extend.texi: Correct __builtin_ia32_palignr.
12418
12419 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12420
12421         PR target/36095
12422         * config/i386/i386.c (bdesc_crc32): Removed.
12423         (ix86_expand_crc32): Likewise.
12424         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
12425         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
12426         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
12427         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
12428         UINT_FTYPE_UINT_UCHAR.
12429         (bdesc_args): Updated. Add crc32 builtins.
12430         (ix86_init_mmx_sse_builtins): Updated.
12431         (ix86_expand_args_builtin): Updated to support subreg.
12432
12433         * doc/extend.texi: Correct __builtin_ia32_crc32di.
12434
12435 2008-05-01  Jan Hubicka  <jh@suse.cz>
12436
12437         * tree-pass.h (opt_pass): Add IPA_PASS.
12438         (varpool_node, cgraph_node): Forward declare.
12439         (ipa_opt_pass): Define.
12440         (pass_ipa_inline): Turn into ipa_opt_pass.
12441         (pass_apply_inline): Remove.
12442         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
12443         (apply_inline): Turn into ....
12444         (inline_transform): ... this one.
12445         (inline_generate_summary): New function.
12446         (pass_apply_inline): Remove.
12447         * function.h (ipa_opt_pass): Forward declare structure; typedef;
12448         vector.
12449         (struct function): Add ipa_transforms_to_apply.
12450         * passes.c (register_one_dump_file): Work on IPA_PASS.
12451         (init_optimization_passes): Remove pass_inline_parameters and
12452         pass_apply_inline.
12453         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
12454         (execute_one_pass) ... here; apply transforms when possible.
12455         (add_ipa_transform_pass, execute_ipa_summary_asses,
12456         execute_one_ipa_transform_pass): New.
12457         (execute_ipa_pass_list): Update for IPA_PASS type.
12458
12459 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12460
12461         * config/i386/i386.c (ix86_builtin_type): Add
12462         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
12463         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
12464         (bdesc_args): Add SSE4a builtins.
12465         (ix86_init_mmx_sse_builtins): Updated.
12466         (ix86_expand_args_builtin): Likewise.
12467         (ix86_expand_builtin): Likewise.
12468
12469 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12470
12471         * config/i386/i386.c (ix86_builtin_type): Add
12472         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
12473         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
12474         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
12475         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
12476         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
12477         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
12478         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
12479         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
12480         and DI_FTYPE_DI_DI_INT.
12481         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
12482         (ix86_init_mmx_sse_builtins): Updated.
12483         (ix86_expand_args_builtin): Likewise.
12484         (ix86_expand_builtin): Likewise.
12485         (ix86_expand_binop_imm_builtin): Removed.
12486
12487         * doc/extend.texi: Correct __builtin_ia32_palignr128.
12488
12489 2008-04-30  Richard Guenther  <rguenther@suse.de>
12490
12491         PR tree-optimization/32921
12492         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
12493
12494 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12495
12496         * config/arm/arm.c (arm_unwind_emit): Use
12497         crtl->all_throwers_are_sibcalls instead of
12498         cfun->all_throwers_are_sibcalls.
12499         (arm_output_fn_unwind): Likewise.
12500         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
12501         instead of cfun->uses_pic_offset_table.
12502         (frv_expand_prologue): Likewise.
12503         (frv_frame_pointer_required): Likewise.
12504         (frv_expand_fdpic_call): Likewise.
12505         (frv_emit_movsi): Likewise.
12506         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
12507         cfun->returns_pcc_struct instead of
12508         current_function_returns_pcc_struct.
12509         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
12510         instead of cfun->calls_eh_return.
12511         (m32c_pushm_popm): Likewise.
12512         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
12513         "extern" declaration.
12514
12515 2008-04-30  Richard Guenther  <rguenther@suse.de>
12516
12517         PR tree-optimization/21636
12518         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
12519         constant address.
12520         (evaluate_stmt): Print the likely value.
12521         (ccp_visit_stmt): Avoid excessive vertical spacing.
12522
12523 2008-04-30  Rafael Espindola  <espindola@google.com>
12524
12525         * builtins.c (fold_call_expr): Return realret.
12526         * tree-ssa-threadedge.c
12527         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12528         __builtin_object_size.
12529
12530 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
12531
12532         * gcc.c (wrapper_string): New variable.
12533         (insert_wrapper): New function.
12534         (execute): New option -wrapper.
12535         * doc/invoke.texi (Overall Options): New driver option -wrapper.
12536
12537 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
12538
12539         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
12540         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
12541         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
12542         from...
12543         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
12544         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
12545         config/rs6000/e500crtres64gprctr.asm,
12546         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
12547         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
12548         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
12549         config/rs6000/e500crtsav64gprctr.asm,
12550         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
12551         config/rs6000/e500crtsavg64gprctr.asm: New files.
12552         * config/rs6000/t-ppccomm: Add build rules for new files.
12553         (LIB2FUNCS_STATIC_EXTRA): Add new files.
12554         * config/rs6000/t-netbsd: Add build rules for new files.
12555         (LIB2FUNCS_STATIC_EXTRA): New variable.
12556         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
12557         (CRTSAVRES_DEFAULT_SPEC): Likewise.
12558         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
12559
12560 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
12561
12562         * config/i386/i386.c (ix86_builtin_type): Add
12563         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
12564         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
12565         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
12566         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
12567         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
12568         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
12569         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
12570         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12571         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
12572         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
12573         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
12574         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
12575         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
12576         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
12577         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
12578         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
12579         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
12580         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
12581         V1DI_FTYPE_V2SI_V2SI.
12582         (bdesc_2arg): Moved to ...
12583         (bdesc_args): Here.
12584         (ix86_init_mmx_sse_builtins): Updated.
12585         (ix86_expand_args_builtin): Updated.  Take a pointer
12586         to const struct builtin_description.  Handle comparison
12587         builtin functions.
12588         (ix86_expand_sse_compare): Take a new argument for swapping operands.
12589         (ix86_expand_builtin): Updated.
12590
12591         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
12592         (ssse3_pmaddubsw128): This.
12593         (ssse3_pmaddubswv4hi3): Renamed to ...
12594         (ssse3_pmaddubsw): This.
12595
12596         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
12597         (__builtin_ia32_packssdw128): Likewise.
12598         (__builtin_ia32_packuswb128): Likewise.
12599         (__builtin_ia32_pmaddubsw): Likewise.
12600         (__builtin_ia32_pmaddubsw128): Likewise.
12601
12602 2008-04-30  Richard Guenther  <rguenther@suse.de>
12603
12604         PR tree-optimization/14847
12605         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
12606         (recognize_bits_test): Use it.
12607         (recognize_single_bit_test): Likewise.
12608
12609 2008-04-30  Martin Jambor  <mjambor@suse.cz>
12610
12611         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
12612         instead of setting number of formal parameters to zero.
12613         (ipcp_init_stage): Do not set the number of actual parameters to zero
12614         either.
12615         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
12616         which are called with variable number of arguments.
12617         (ipcp_insert_stage): Explicitely skipping all nodes which are
12618         called with variable number of arguments.
12619         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
12620         number of parameters.
12621
12622         * ipa-prop.h (struct ipa_node_params): Added flag
12623         called_with_var_arguments
12624         (ipa_set_param_count): Added.  Changed sole setter to use it.
12625         (ipa_get_param_count): Added.  All readers of param_count
12626         converted to use it instead.
12627         (ipa_set_called_with_variable_arg): Added.
12628         (ipa_is_called_with_var_arguments): Added.
12629         (ipa_get_ith_param): Added.  All readers of param_decls converted
12630         to use it instead.
12631         (ipa_set_cs_argument_count): Added, sole writer to argument_count
12632         changed to use it.
12633         (ipa_get_cs_argument_count): Added, all readers of argument_count
12634         changed to cal it.
12635         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
12636         to use it.
12637
12638         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
12639         (struct ipcp_lattice): Renamed cval_type to type
12640         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
12641
12642         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
12643         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
12644         (ipcp_insert_stage): Changed the type of variable cvalue to tree
12645         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
12646         (build_const_val): Changed the type of parameter cvalue to tree
12647         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
12648         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
12649
12650         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
12651         constant
12652
12653         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
12654         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
12655         (ipa_add_method): Renamed to ipa_push_func_to_list
12656         (ipa_remove_method): Renamed to ipa_pop_func_from_list
12657         (ipa_callsite_param_count): Removed.
12658         (ipa_callsite_param_count_set): Removed.
12659         (ipa_callsite_param): Removed.
12660         (ipa_callsite_callee): Removed.
12661         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
12662         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
12663         (ipa_method_formal_count): Removed.
12664         (ipa_method_formal_count_set): Removed.
12665         (ipa_method_get_tree): Removed.
12666         (ipa_method_tree_map_create): Removed.
12667         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
12668         (ipa_create_param_decls_array): Creates the array itself
12669         (ipa_create_param_decls_array): Temporary variable info instead of
12670         a few dereferences.
12671         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
12672         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
12673         (get_type): Removed.
12674         (ipa_jf_get_info_type): Removed.
12675         (ipa_node_create): Renamed to ipa_create_node_params
12676         (ipa_free): Renamed to ipa_free_all_node_params
12677         (ipa_nodes_create): Renamed to ipa_create_all_node_params
12678         (ipa_edges_create): Renamed to ipa_create_all_edge_args
12679         (ipa_edges_free): Renamed to ipa_free_all_edge_args
12680         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
12681         (ipa_free_all_node_params): Deallocation to jump_functions moved to
12682         ipa_free_all_edge_args
12683         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
12684         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
12685         (ipa_create_methodlist_node): Removed.
12686         (ipa_methodlist_method): Removed.
12687         (ipa_methodlist_method_set): Removed.
12688         (ipa_methodlist_next_method): Removed.
12689         (ipa_methodlist_next_method_set): Removed.
12690         (ipa_method_is_modified): Removed.
12691         (ipa_method_modify_create): Removed.
12692         (ipa_method_modify_init): Temporary variable info instead of a few
12693         dereferences.
12694         (ipa_detect_param_modifications): Temporary variable info instead of
12695         a few dereferences.
12696         (ipa_compute_jump_functions): Temporary variable info instead of
12697         a few dereferences.
12698         (ipa_method_modify_set): Removed.
12699         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
12700         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
12701         than craph_node as the first parameter.
12702         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
12703         (ipa_method_modify_init): Removed.
12704         (ipa_compute_jump_functions): Added a temp variable instead of
12705         repeatadly dereferencing the cgraph_edge.aux pointer
12706         (ipa_callsite_param_set_type): Removed.
12707         (ipa_compute_jump_functions): i renamed to index and moved to
12708         an inner block
12709         (ipa_callsite_param_set_info_type_formal): Removed.
12710         (ipa_callsite_param_set_info_type): Removed.
12711         (ipa_callsite_param_map_create): Removed.
12712         (ipa_callsite_tree): Removed.
12713         (ipa_callsite_caller): Removed.
12714         (ipa_pop_func_from_list): return_method removed to return_func
12715
12716         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
12717         prefixed all values with IPA_. Changed all users.
12718         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
12719         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
12720         and FORMAL_IPATYPE IPA_PASS_THROUGH.
12721         (union parameter_info): Renamed to jump_func_value.
12722         (union jump_func_value): Renamed value to constant
12723         (struct ipa_jump_func): Renamed info_type to value
12724         (struct ipa_node): Renamed to ipa_node_params
12725         (struct ipa_node_params): Renamed ipa_arg_num to param_count
12726         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
12727         (struct ipa_node_params): Renamed ipa_mod to modified_flags
12728         (struct ipa_edge): Renamed to ipa_edge_args
12729         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
12730         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
12731         (struct ipa_methodlist): Renamed to ipa_func_list
12732         (struct ipa_func_list): method_p renamed to node, next_method
12733         renamed to next
12734         (ipa_methodlist_p): Removed, switched all users to struct pointer
12735         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
12736
12737 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
12738
12739         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
12740         (rs6000_emit_epilogue): Use backchain to restore only when we
12741         have a large frame.  Make use of frame pointer to restore if we
12742         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
12743
12744 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
12745
12746         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12747         Add mode to zero_extract.
12748         (sign bit tests peepholes): (Ditto.).
12749
12750 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
12751
12752         * config/i386/i386.c (ix86_builtins): Replace Prescott New
12753         Instructions in comments with SSE3.
12754         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
12755         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
12756         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
12757         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
12758         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
12759         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
12760         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
12761         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
12762         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
12763         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
12764         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
12765         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
12766         (bdesc_sse_args): Renamed to ...
12767         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
12768         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
12769         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
12770         IX86_BUILTIN_FABSQ.
12771         (bdesc_1arg): Moved to ...
12772         (bdesc_args): Here.
12773         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
12774         Instructions in comments with SSE3.
12775         (ix86_expand_sse_operands_builtin): Renamed to ...
12776         (ix86_expand_args_builtin): This.  Updated.
12777         (ix86_expand_unop1_builtin): Update comments.
12778         (ix86_expand_builtin): Updated.
12779
12780 2008-04-29  Richard Guenther  <rguenther@suse.de>
12781
12782         PR tree-optimization/36078
12783         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
12784         Update virtual SSA form after cleaning up the CFG.
12785
12786 2008-04-29  Richard Guenther  <rguenther@suse.de>
12787
12788         PR middle-end/15255
12789         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
12790
12791 2008-04-29  Richard Guenther  <rguenther@suse.de>
12792
12793         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
12794         (compute_may_aliases): Do not call finalize_ref_all_pointers.
12795         (compute_flow_insensitive_aliasing): Do not treat
12796         PTR_IS_REF_ALL pointers special.
12797         (get_smt_for): Likewise.
12798         (may_alias_p): Re-structure.
12799         (is_escape_site): A ref-all pointer conversion is not an escape site.
12800         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
12801         PTR_IS_REF_ALL pointers special.
12802         * tree-ssa-structalias.h (struct alias_info): Remove
12803         ref_all_symbol_mem_tag field.
12804         (PTR_IS_REF_ALL): Remove.
12805
12806 2008-04-29  Richard Guenther  <rguenther@suse.de>
12807
12808         PR middle-end/36077
12809         * fold-const.c (extract_muldiv_1): In combining division constants
12810         make sure to never overflow.
12811
12812 2008-04-29  Nick Clifton  <nickc@redhat.com>
12813
12814         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
12815
12816 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12817
12818         PR bootstrap/35169
12819         * optc-gen.awk: Work around HP-UX/IA awk bug.
12820
12821 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
12822
12823         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
12824         2008-04-25 commit.
12825
12826 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12827
12828         PR target/36073
12829         * config/i386/i386.md
12830         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
12831         Change operand 1 predicate to nonimmediate_operand.
12832
12833 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
12834
12835         PR debug/36060
12836         * dwarf2out.c (struct die_struct): Mark as chain_circular through
12837         die_sub field.
12838         * gengtype.c (walk_type, write_func_for_structure): Handle
12839         chain_circular.
12840         * doc/gty.texi: Document chain_circular.
12841
12842 2008-04-28  Richard Guenther  <rguenther@suse.de>
12843
12844         PR tree-optimization/36066
12845         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
12846         SCEV and loop.
12847
12848 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12849
12850         PR target/36064
12851         * config/i386/i386.md
12852         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
12853         Use match_scratch instead of match_operand for operands 3 and 4.
12854
12855 2008-04-27  Richard Guenther  <rguenther@suse.de>
12856
12857         PR tree-optimization/18754
12858         PR tree-optimization/34223
12859         * tree-pass.h (pass_complete_unrolli): Declare.
12860         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
12861         loop size before and after unconditionally of UL_NO_GROWTH in effect.
12862         Rewrite loop into loop closed SSA form if it is not already.
12863         (tree_unroll_loops_completely): Re-structure to iterate over
12864         innermost loops with intermediate CFG cleanups.
12865         Unroll outermost loops only if requested or the code does not grow
12866         doing so.
12867         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
12868         loops are available.
12869         (tree_vectorize): Instead do so here.
12870         (tree_complete_unroll): Also unroll outermost loops.
12871         (tree_complete_unroll_inner): New function.
12872         (gate_tree_complete_unroll_inner): Likewise.
12873         (pass_complete_unrolli): New pass.
12874         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
12875         uses outside of the loop.
12876         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
12877         form if it is available.
12878         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
12879         * passes.c (init_optimization_passes): Schedule complete inner
12880         loop unrolling pass before the first CCP pass after final inlining.
12881
12882 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
12883
12884         * targhooks.h (default_emutls_var_fields,
12885         default_emutls_var_init): Declare.
12886         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
12887         * target.h (struct gcc_target): Add struct emutls member.
12888         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
12889         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
12890         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
12891         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
12892         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
12893         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
12894         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
12895         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
12896         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
12897         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
12898         emit debug information.
12899         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
12900         * varasm.c: Include targhooks.h.
12901         (emutls_object_section, emutls_tmpl_section): New.
12902         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
12903         (EMUTLS_SEPARATOR): New.
12904         (prefix_name): New.
12905         (get_emutls_object_name): New.
12906         (default_emutls_var_fields): New, broken out of ...
12907         (get_emutls_object_type): ... here.  Adjust to use target hooks.
12908         (get_emutls_init_templ_addr): Adjust to use target hooks.
12909         (emutls_decl): Adjust to use target hooks.
12910         (emutls_finish): Likewise.
12911         (default_emutls_var_init): New, broken out of ...
12912         (assemble_variable): ... here.  Adjust to use target hooks.
12913         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
12914         SECCAT_EMUTLS_TMPL.
12915         * c-common.c (handle_section_attribute): Prevent overriding
12916         sections for emulated tls with special sections.
12917         * config/i386/i386.c (x86_64_elf_select_section): Add
12918         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
12919         (x86_64_elf_unique_section): Likewise.
12920         * config/vxworks.c: Include tree.h.
12921         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
12922         (vxworks_override_options): Set TLS scheme.
12923         * doc/tm.texi (Emulated TLS): New node.
12924
12925 2008-04-26  Simon Baldwin <simonb@google.com>
12926
12927         PR c/35652
12928         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
12929         with propagated string constants.
12930
12931 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
12932
12933         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
12934         constraint for operand 2 when operand 0 is memory operand.
12935         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
12936         operand 0 is memory operand.
12937         (fix_trunc<mode>_i387_with_temp): Ditto.
12938         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
12939         operand 2 when operand 1 is memory operand.
12940         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
12941         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
12942         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
12943         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
12944         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
12945         operands 2,3 and 4 when operand 1 is memory operand.
12946         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
12947         is memory operand.
12948         (fistdi2_floor_with_temp): Ditto.
12949         (fist<mode>2_floor_with_temp): Ditto.
12950         (fistdi2_ceil_with_temp): Ditto.
12951         (fist<mode>2_ceil_with_temp): Ditto.
12952         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
12953
12954 2008-04-26  David Daney  <ddaney@avtrex.com>
12955
12956         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
12957         unspec_volitile.
12958         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
12959         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
12960         UNSPEC_UPDATE_GOT_VERSION): Renumber.
12961         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
12962         (compare_and_swap_12): New insn.
12963         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
12964         * config/mips/mips.c (mips_force_binary): New function.
12965         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
12966         (mips_expand_compare_and_swap_12): New function.
12967         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
12968
12969 2008-04-25  Jan Hubicka  <jh@suse.cz>
12970
12971         PR testsuite/35843
12972         * cfgexpand.c (pass_expand): Turn into RTL pass.
12973         * passes.c (execute_one_pass): Do pass typechecking after execution.
12974         * tree-pass.h (pass_expand): Turn into RTL pass.
12975
12976         * function.h (struct rtl_data): Move here fields
12977         accesses_prior_frames, calls_eh_return, saves_all_registers,
12978         has_nonlocal_goto, has_asm_statement, is_thunk,
12979         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
12980         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
12981         arg_pointer_save_area_init from struct function; turn into bool.
12982         (struct function): Move
12983         calls_eh_return, saves_all_registers, has_nonlocal_goto,
12984         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
12985         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
12986         tail_call_emit, arg_pointer_save_area_init
12987         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
12988         (current_function_returns_struct, current_function_returns_pcc_struct,
12989         current_function_calls_setjmp, current_function_calls_alloca,
12990         current_function_accesses_prior_frames,
12991         current_function_calls_eh_return, current_function_is_thunk,
12992         current_function_stdarg, current_function_profile,
12993         current_function_limit_stack, current_function_uses_pic_offset_table,
12994         current_function_uses_const_pool, current_function_has_nonlocal_label,
12995         current_function_saves_all_registers,
12996         current_function_has_nonlocal_goto,
12997         current_function_has_asm_statement): Remove accesor macros.
12998         * ra-conflict.c (global_conflicts): Update.
12999         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
13000         (suitable_for_tail_call_opt_p): Update.
13001         * builtins.c (expand_builtin_return_addr): Update.
13002         (expand_builtin_setjmp_setup): Update.
13003         (expand_builtin_nonlocal_goto): Update.
13004         * final.c (final_start_function): Update.
13005         (profile_function): Update.
13006         (leaf_function_p): Update.
13007         (only_leaf_regs_used): Update.
13008         * df-scan.c (df_get_exit_block_use_set): Update.
13009         * dojump.c (clear_pending_stack_adjust): Update.
13010         * tree-stdarg.c (gate_optimize_stdarg): Update.
13011         * gimple-low.c (lower_function_body): Update.
13012         * global.c (compute_regsets): Update.
13013         (global_alloc): Update.
13014         * dwarf2out.c (dwarf2out_begin_prologue): Update.
13015         * expr.c (expand_assignment): Update.
13016         * dse.c (dse_step0): Update.
13017         (dse_step1): Update.
13018         * c-decl.c (store_parm_decls): Update.
13019         * local-alloc.c (combine_regs): Update.
13020         (find_free_reg): Update.
13021         * function.c (assign_parms_augmented_arg_list): Update.
13022         (assign_parm_find_data_types): Update.
13023         (assign_parms): Update.
13024         (allocate_struct_function): Update.
13025         (expand_function_start): Update.
13026         (expand_function_end): Update.
13027         (get_arg_pointer_save_area): Update.
13028         (thread_prologue_and_epilogue_insns): Update.
13029         (rest_of_match_asm_constraints): Update.
13030         * stor-layout.c (variable_size): Update.
13031         * gcse.c (gcse_main): Update.
13032         (bypass_jumps): Update.
13033         * gimplify.c (gimplify_function_tree): Update.
13034         * calls.c (emit_call_1): Update.
13035         (expand_call): Update.
13036         * bt-load.c (compute_defs_uses_and_gen): Update.
13037         * except.c (sjlj_assign_call_site_values): Update.
13038         (sjlj_emit_function_enter): Update.
13039         (can_throw_external): Update.
13040         (set_nothrow_function_flags): Update.
13041         (expand_builtin_unwind_init): Update.
13042         (expand_eh_return): Update.
13043         (convert_to_eh_region_ranges): Update.
13044         (output_function_exception_table): Update.
13045         * emit-rtl.c (gen_tmp_stack_mem): Update.
13046         * cfgexpand.c (expand_used_vars): Update.
13047         (tree_expand_cfg): Update.
13048         * cfgcleanup.c (rest_of_handle_jump): Update.
13049         * explow.c (allocate_dynamic_stack_space): Update.
13050         * varasm.c (assemble_start_function): Update.
13051         (force_const_mem): Update.
13052         (mark_constant_pool): Update.
13053         * tree-optimize.c (tree_rest_of_compilation): Update.
13054         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
13055         * tree-cfg.c (notice_special_calls): Update.
13056         (is_ctrl_altering_stmt): Update.
13057         (tree_can_make_abnormal_goto): Update.
13058         (tree_purge_dead_abnormal_call_edges): Update.
13059         * config/alpha/predicates.md: Update.
13060         * config/alpha/alpha.c (alpha_sa_mask): Update.
13061         (alpha_sa_size): Update.
13062         (alpha_does_function_need_gp): Update.
13063         (alpha_expand_prologue): Update.
13064         (alpha_start_function): Update.
13065         (alpha_output_function_end_prologue): Update.
13066         (alpha_expand_epilogue): Update.
13067         * config/frv/frv.c (frv_stack_info): Update.
13068         (frv_expand_epilogue): Update.
13069         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
13070         (s390_register_info): Update.
13071         (s390_frame_info): Update.
13072         (s390_init_frame_layout): Update.
13073         (s390_can_eliminate): Update.
13074         (save_gprs): Update.
13075         * config/spu/spu.c (spu_split_immediate): Update.
13076         (need_to_save_reg): Update.
13077         (spu_expand_prologue): Update.
13078         (spu_expand_epilogue): Update.
13079         * config/sparc/sparc.md: Update.
13080         * config/sparc/sparc.c (eligible_for_return_delay): Update.
13081         (sparc_tls_got): Update.
13082         (legitimize_pic_address): Update.
13083         (sparc_emit_call_insn): Update.
13084         (sparc_expand_prologue): Update.
13085         (output_return): Update.
13086         (print_operand): Update.
13087         (sparc_function_ok_for_sibcall): Update.
13088         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
13089         * config/m32r/m32r.md: Update.
13090         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
13091         (m32r_compute_frame_size): Update.
13092         (m32r_expand_prologue): Update.
13093         (m32r_expand_epilogue): Update.
13094         (m32r_legitimize_pic_address): Update.
13095         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
13096         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13097         * config/i386/i386.c (ix86_frame_pointer_required): Update.
13098         (gen_push): Update.
13099         (ix86_save_reg): Update.
13100         (ix86_compute_frame_layout): Update.
13101         (ix86_expand_prologue): Update.
13102         (ix86_expand_epilogue): Update.
13103         * config/sh/sh.c (output_stack_adjust): Update.
13104         (calc_live_regs): Update.
13105         (sh5_schedule_saves): Update.
13106         (sh_expand_prologue): Update.
13107         (sh_expand_epilogue): Update.
13108         (sh_setup_incoming_varargs): Update.
13109         (sh_allocate_initial_value): Update.
13110         (sh_get_pr_initial_val): Update.
13111         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
13112         * config/sh/sh.md (label:): Update.
13113         * config/avr/avr.c (out_movhi_mr_r): Update.
13114         * config/crx/crx.h (enum): Update.
13115         * config/xtensa/xtensa.h (along): Update.
13116         * config/stormy16/stormy16.c Update.
13117         (xstormy16_compute_stack_layout): Update.
13118         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
13119         (fr30_expand_prologue): Update.
13120         * config/cris/cris.c (cris_conditional_register_usage): Update.
13121         (cris_reg_saved_in_regsave_area): Update.
13122         (cris_initial_frame_pointer_offset): Update.
13123         (cris_simple_epilogue): Update.
13124         (cris_expand_prologue): Update.
13125         (cris_expand_epilogue): Update.
13126         (cris_expand_pic_call_address): Update.
13127         (cris_asm_output_symbol_ref): Update.
13128         (cris_asm_output_label_ref): Update.
13129         * config/cris/cris.md Update.
13130         * config/iq2000/iq2000.c (compute_frame_size): Update.
13131         (iq2000_expand_epilogue): Update.
13132         * config/mt/mt.h (save_direction): Update.
13133         * config/mn10300/mn10300.c (mn10300_function_value): Update.
13134         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
13135         (ia64_secondary_reload_class): Update.
13136         * config/m68k/m68k.c (m68k_save_reg): Update.
13137         (m68k_expand_prologue): Update.
13138         (m68k_expand_epilogue): Update.
13139         (legitimize_pic_address): Update.
13140         * config/rs6000/rs6000.c (rs6000_got_register): Update.
13141         (first_reg_to_save): Update.
13142         (first_altivec_reg_to_save): Update.
13143         (compute_vrsave_mask): Update.
13144         (compute_save_world_info): Update.
13145         (rs6000_stack_info): Update.
13146         (spe_func_has_64bit_regs_p): Update.
13147         (rs6000_ra_ever_killed): Update.
13148         (rs6000_emit_eh_reg_restore): Update.
13149         (rs6000_emit_allocate_stack): Update.
13150         (rs6000_emit_prologue): Update.
13151         (rs6000_emit_epilogue): Update.
13152         (rs6000_output_function_epilogue): Update.
13153         (output_profile_hook): Update.
13154         (rs6000_elf_declare_function_name): Update.
13155         * config/rs6000/rs6000.h (rs6000_args): Update.
13156         * config/rs6000/rs6000.md: Update.
13157         * config/mcore/mcore.c (mcore_expand_prolog): Update.
13158         * config/arc/arc.c (arc_output_function_epilogue): Update.
13159         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
13160         * config/darwin.c (machopic_function_base_name): Update.
13161         * config/score/score3.c (score3_compute_frame_size): Update.
13162         (rpush): Update.
13163         (rpop): Update.
13164         (score3_epilogue): Update.
13165         * config/score/score7.c (score7_compute_frame_size): Update.
13166         (score7_prologue): Update.
13167         (score7_epilogue): Update.
13168         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
13169         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13170         * config/arm/arm.c (use_return_insn): Update.
13171         (require_pic_register): Update.
13172         (arm_load_pic_register): Update.
13173         (arm_compute_save_reg0_reg12_mask): Update.
13174         (arm_compute_save_reg_mask): Update.
13175         (thumb1_compute_save_reg_mask): Update.
13176         (output_return_instruction): Update.
13177         (arm_output_function_prologue): Update.
13178         (arm_output_epilogue): Update.
13179         (arm_get_frame_offsets): Update.
13180         (arm_expand_prologue): Update.
13181         (thumb_pushpop): Update.
13182         (thumb_exit): Update.
13183         (thumb1_expand_prologue): Update.
13184         (thumb1_expand_epilogue): Update.
13185         (arm_unwind_emit): Update.
13186         (arm_output_fn_unwind): Update.
13187         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13188         * config/arm/arm.md: Update.
13189         * config/pa/pa.md: Update.
13190         * config/pa/pa.c (legitimize_pic_address): Update.
13191         (compute_frame_size): Update.
13192         (hppa_expand_prologue): Update.
13193         (hppa_expand_epilogue): Update.
13194         (borx_reg_operand): Update.
13195         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13196         (HARD_REGNO_RENAME_OK): Update.
13197         * config/mips/mips.c (mips_global_pointer): Update.
13198         (mips_save_reg_p): Update.
13199         (mips_compute_frame_info): Update.
13200         (mips_frame_pointer_required): Update.
13201         (mips_expand_prologue): Update.
13202         (mips_expand_epilogue): Update.
13203         (mips_can_use_return_insn): Update.
13204         (mips_reorg_process_insns): Update.
13205         * config/v850/v850.c (compute_register_save_size): Update.
13206         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13207         * config/mmix/mmix.c (along): Update.
13208         (mmix_expand_epilogue): Update.
13209         * config/bfin/bfin.c (legitimize_pic_address): Update.
13210         (must_save_p): Update.
13211         (stack_frame_needed_p): Update.
13212         (add_to_reg): Update.
13213         (bfin_expand_prologue): Update.
13214         * stmt.c (expand_asm_operands): Update.
13215         * reload1.c (reload): Update.
13216         (init_elim_table): Update.
13217
13218 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13219
13220         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13221
13222 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13223
13224         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13225         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13226         (mov<mode>): Removed.
13227         (*movv4sf_internal): Likewise.
13228         (*movv2df_internal): Likewise.
13229
13230 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13231
13232         * config.gcc (crx-*-elf): Remove deprecation.
13233
13234 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13235
13236         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13237         __gcc_deregister_frame with atexit.
13238         (deregister_frame_dtor): Remove.
13239
13240 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13241             Nathan Sidwell  <nathan@codesourcery.com>
13242
13243         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13244         (misel): Likewise.
13245         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13246         (rs6000_isel): Likewise.
13247         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13248         (rs6000_isel): New variable.
13249         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13250
13251 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13252
13253         PR c++/35758
13254         * c-common.c (handle_vector_size_attribute): Call
13255         lang_hooks.types.reconstruct_complex_type instead of
13256         reconstruct_complex_type.
13257         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13258         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13259         * langhooks.h (struct lang_hooks_for_types): Add
13260         reconstruct_complex_type hook.
13261         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13262         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13263
13264 2008-04-24  Richard Guenther  <rguenther@suse.de>
13265
13266         * c-common.h (check_builtin_function_arguments): Declare.
13267         * c-common.c (validate_nargs): New function.
13268         (check_builtin_function_arguments): Likewise.
13269         * c-typeck.c (build_function_call): Call
13270         check_builtin_function_arguments.
13271         * builtins.c (fold_builtin_classify): Remove error reporting code.
13272         (fold_builtin_unordered_cmp): Likewise.
13273         (fold_builtin_1): Likewise.
13274         (fold_builtin_n): Likewise.
13275
13276 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13277
13278         PR tree-optimization/36008
13279         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13280         the original op1, rather than delta by step.
13281
13282 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13283             Sebastian Pop  <sebastian.pop@amd.com>
13284
13285         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13286         eliminate_local_variables_stmt, eliminate_local_variables,
13287         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13288         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13289         of code delimited by two edges in the CFG.
13290         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13291         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13292         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13293         the case of parallelisation of reductions.
13294         (expr_invariant_in_region_p): New.
13295
13296         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13297         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13298
13299 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13300             Richard Guenther  <rguenther@suse.de>
13301
13302         PR tree-optimization/36034
13303         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13304         incapable of dealing with loads with gaps.
13305
13306 2008-04-24  Rafael Espindola  <espindola@google.com>
13307
13308         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13309         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13310         vrp_evaluate_conditional.
13311         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13312         (vrp_evaluate_conditional): Split the cond argument.
13313         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13314         (simplify_stmt_for_jump_threading): Update call to
13315         vrp_evaluate_conditional.
13316
13317 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13318
13319         PR tree-optimization/35982
13320         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13321         interleaved data-refs are of the same type.
13322
13323 2008-04-24  Danny Smith  <dannysmith@users.net>
13324
13325         * c-format.c (check_format_info_main): Use strncmp rather than a
13326         magic prefix to handle multichar length specs.
13327         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13328         Don't prefix "I64" and "I32" with '\0'.
13329
13330 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13331
13332         PR target/36015
13333         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13334         in registers for -m32 only if stdarg_p (fntype).
13335
13336 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13337
13338         PR rtl-optimization/36006
13339         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13340         temp to op0 in order to avoid invalid rtx sharing.
13341
13342 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13343
13344         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13345         check TREE_INVARIANT.
13346         * tree-gimple.c (is_gimple_address): New.
13347         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13348         * tree-gimple.h (is_gimple_address): New.
13349         * tree.h (decl_address_invariant_p): New.
13350         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13351         (build_string): Likewise.
13352         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13353         (tree_invariant_p_1): Likewise.
13354         (save_expr): Use it.
13355         (tree_invariant_p): New.
13356         (skip_simple_arithmetic): Use it.
13357         (stabilize_reference_1): Use it.
13358         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13359         simplify.
13360         (build1_stat): Drop code to compute TREE_INVARIANT.
13361         (build2_stat): Drop code to compute TREE_INVARIANT.
13362         (build3_stat): Drop code to compute TREE_INVARIANT.
13363         (build4_stat): Drop code to compute TREE_INVARIANT.
13364         (build5_stat): Drop code to compute TREE_INVARIANT.
13365         (build7_stat): Drop code to compute TREE_INVARIANT.
13366         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13367         * tree.h (struct tree_base): Remove invariant_flag.
13368         (TREE_INVARIANT): Remove.
13369         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13370         (fold_builtin_expect): Check TREE_CONSTANT.
13371         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13372         * c-tree.h (c_expr_to_decl): Drop third parameter.
13373         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13374         (build_c_cast): Don't set TREE_INVARIANT.
13375         (pop_init_level): Don't set TREE_INVARIANT.
13376         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13377         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13378         TREE_CONSTANT.
13379         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13380         (gimplify_addr_expr): Adjust comment.
13381         * tree-mudflap.c (mf_build_string):
13382         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13383         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13384         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13385         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13386         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13387         * langhooks.h (struct lang_hooks): Drop third parameter from
13388         expr_to_decl.
13389
13390 2008-04-23  Richard Guenther  <rguenther@suse.de>
13391
13392         PR tree-optimization/27799
13393         PR tree-optimization/32921
13394         PR tree-optimization/32624
13395         * tree-ssa-structalias.c (merge_smts_into): Only merge the
13396         SMTs aliases and the tag itself into the solution.
13397         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
13398         merge the points-to solution back into the SMT aliases.
13399         (may_alias_p): Use alias_set_subset_of instead of
13400         aliases_conflict_p.  A pointer which points to
13401         memory with alias set zero may access any variable.
13402
13403 2008-04-23  Richard Guenther  <rguenther@suse.de>
13404
13405         * alias.c (alias_set_subset_of): Correctly handle asking
13406         if zero is a subset of an alias set with zero child.
13407         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
13408         (compute_flow_insensitive_aliasing): Correctly walk all
13409         pointers.  Do not unnecessarily union sets.
13410
13411 2008-04-23  Richard Guenther  <rguenther@suse.de>
13412
13413         PR middle-end/36021
13414         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
13415
13416 2008-04-22  Tomas Bily  <tbily@suse.cz>
13417
13418         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
13419         unreachable case.
13420         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
13421         NON_LVALUE_EXPR.
13422         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13423         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13424         * tree-inline.c (estimate_num_insns_1): Likewise.
13425         * varasm.c (const_hash_1, compare_constant, copy_constant)
13426         (compute_reloc_for_constant, output_addressed_constants): Likewise.
13427         * emit-rtl.c (component_ref_for_mem_expr)
13428         (set_mem_attributes_minus_bitpos): Likewise.
13429         * expr.c (highest_pow2_factor, expand_expr_real_1, )
13430         (is_aligning_offset): Likewise.
13431         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
13432         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13433         * dojump.c (do_jump): Likewise.
13434         * builtins.c (get_pointer_alignment, get_memory_rtx)
13435         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
13436         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
13437
13438 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
13439
13440         PR rtl-optimization/36017
13441         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
13442         expanding the library call.
13443
13444 2008-04-22  Ian Lance Taylor  <iant@google.com>
13445
13446         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
13447         than size_in_bytes.
13448
13449 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
13450
13451         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
13452         of LR/CTR moves for Power6.
13453
13454 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13455
13456         PR middle-end/36003
13457         * passes.c (init_optimization_passes): Remove
13458         pass_fast_rtl_byte_dce.
13459
13460 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
13461
13462         PR target/29096
13463         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
13464         builtin functions to generate faster code.
13465         (_mm_cvtpu16_ps): Ditto.
13466         (_mm_cvtpi32x2_ps): Ditto.
13467
13468 2008-04-22  Nick Clifton  <nickc@redhat.com>
13469
13470         * common.opt (ftree-loop-distribution): Add Optimization
13471         attribute.
13472
13473         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
13474         (frv_expand_builtin_va_start): Likewise.
13475
13476         * config/arm/arm.c (thumb_find_work_register): Fix location of
13477         argument register count.
13478
13479 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13480
13481         Support scheduling for ColdFire V1 and V3 microarchitecture.
13482         Improve scheduling of multiplication instructions.
13483
13484         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
13485         (mac): New instruction attribute.
13486         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
13487         (m68k_sched_mac): New variable.
13488         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
13489         Handle cfv1 and cfv3.
13490         (max_insn_size): New static variable.
13491         (struct _sched_ib): New type.
13492         (sched_ib): New static variable.
13493         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
13494         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
13495         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
13496         Update.
13497         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
13498         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
13499         new variables.  Update.
13500         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13501         Add modeling of cfv3 instruction buffer.  Update.
13502         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
13503         * config/m68k/m68k.h (TUNE_CFV3): New macro.
13504         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
13505         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
13506         a particular reservation applies to.
13507         (type2): Reorganize attribute values.  Rename alu to alu_reg,
13508         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
13509         to mul_l and mul_w.
13510         (cf_ib_*): Simplify description of instruction buffer.
13511         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
13512         (cf_mem): Split into cf_mem1 and cf_mem2.
13513         (cf_v2_move_??): Rename to cfv12_alu_??.
13514         (cf_v2_move_l_??): Rename to cfv12_omove_??.
13515         (cf_v2_mul_??): Remove reservations.
13516         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
13517         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
13518         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
13519         appropriate place.
13520         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
13521         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
13522         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
13523         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
13524         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
13525         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
13526         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
13527         expansions of the above reservations for instructions of sizes
13528         1, 2 and 3 words.
13529
13530 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13531
13532         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
13533
13534 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
13535
13536         * coverage.c: Include tree-pass.h.
13537         (coverage_counter_alloc): Print da_file_name to the dump file.
13538
13539 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
13540
13541         * sbitmap.c (sbitmap_range_empty_p): New function.
13542         * sbitmap.h (sbitmap_range_empty_p): New function.
13543         * bitmap.h: Now includes obstack.h.
13544
13545 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
13546             Kenneth Zadeck  <zadeck@naturalbridge.com>
13547
13548         * dbgcnt.def (ra_byte_scan): Added.
13549         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
13550         when the last hit happens for a counter.
13551         * timevar.def (TV_DF_BYTE_LR): New variable.
13552         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
13553         * passes.c (pass_fast_rtl_byte_dce): New pass.
13554         * fwprop.c (update_df): Added mode to call df_ref_create.
13555         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13556         DF_REF_EXTRACT_OFFSET.
13557         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
13558         DF_BYTE_LR_OUT, df_byte_lr): New macro.
13559         (df_mm): New enum.
13560         (df_ref_extract): Added mode field.
13561         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
13562         DF_REF_EXTRACT_OFFSET.
13563         (DF_REF_EXTRACT_MODE): New macro.
13564         (df_byte_lr_bb_info): New structure.
13565         (df_print_byte_regset, df_compute_accessed_bytes,
13566         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
13567         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
13568         df_byte_lr_simulate_uses,
13569         df_byte_lr_simulate_artificial_refs_at_top,
13570         df_byte_lr_simulate_artificial_refs_at_end,
13571         df_compute_accessed_bytes): New function.
13572         (df_ref_create): Add parameter.
13573         (df_byte_lr_get_bb_info): New inline function.
13574         * df-scan.c (df_ref_record, df_uses_record,
13575         df_ref_create_structure): Added mode parameter.
13576         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
13577         df_defs_record, df_uses_record, df_get_conditional_uses,
13578         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
13579         df_entry_block_defs_collect, df_exit_block_uses_collect):
13580         Added mode parameter to calls to df_ref_record, df_uses_record,
13581         df_ref_create_structure.
13582         (df_ref_equal_p, df_ref_compare): Added test for modes.
13583         (df_ref_create_structure): Added code to set mode.  Renamed
13584         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13585         DF_REF_EXTRACT_OFFSET.
13586         * df-core.c (df_print_byte_regset): New function.
13587         * df-byte-scan.c: New file.
13588         * df-problems.c (df_rd_transfer_function): Removed unnecessary
13589         calls to BITMAP_FREE.
13590         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
13591         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
13592         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
13593         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
13594         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
13595         df_byte_lr_local_compute, df_byte_lr_init,
13596         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
13597         df_byte_lr_transfer_function, df_byte_lr_free,
13598         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
13599         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
13600         df_byte_lr_simulate_uses,
13601         df_byte_lr_simulate_artificial_refs_at_top,
13602         df_byte_lr_simulate_artificial_refs_at_end): New function.
13603         * dce.c (byte_dce_process_block): New function.
13604         (dce_process_block): au is now passed in rather than computed
13605         locally.  Changed loops that look at artificial defs to not look
13606         for conditional or partial ones, because there never are any.
13607         (fast_dce): Now is able to drive byte_dce_process_block or
13608         dce_process_block depending on the kind of dce being done.
13609         (rest_of_handle_fast_dce): Add parameter to fast_dce.
13610         (rest_of_handle_fast_byte_dce): New function.
13611         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
13612         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
13613
13614 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
13615
13616         PR fortran/35019
13617         * gcc.h: Added fortran options that take arguments to
13618         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
13619         macros.
13620
13621 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
13622
13623         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
13624         scalarization if on the LHS and not a full access.
13625
13626 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13627
13628         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
13629
13630 2008-04-18  Rafael Espindola  <espindola@google.com>
13631
13632         * tree-vrp.c (find_case_label_index): Fix the binary search.
13633         (find_case_label_range): New.
13634         (vrp_visit_switch_stmt): Use find_case_label_range.
13635         (simplify_switch_using_ranges): Use find_case_label_range.
13636
13637 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
13638
13639         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
13640         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
13641
13642 2008-04-18  Tom Tromey  <tromey@redhat.com>
13643
13644         PR libcpp/15500:
13645         * doc/cpp.texi (Implementation-defined behavior): Mention
13646         -finput-charset.
13647
13648 2008-04-18  Ian Lance Taylor  <iant@google.com>
13649
13650         * fold-const.c (pointer_may_wrap_p): New static function.
13651         (fold_comparison): Add another test for pointer overflow.  Use
13652         pointer_may_wrap_p to disable some false positives.
13653
13654 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
13655
13656         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
13657         (fname_as_string): Match updated cpp_interpret_string prototype.
13658         (fix_string_type): Support char16_t* and char32_t*.
13659         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
13660         derivative) nodes.  Register as builtin if C++0x.
13661         (c_parse_error): Support CPP_CHAR{16,32}.
13662         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
13663         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
13664         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
13665         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
13666         CTI_CHAR32_ARRAY_TYPE>: New elements.
13667         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
13668         char32_type_node, signed_char32_type_node, char16_array_type_node,
13669         char32_array_type_node): New defines.
13670         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
13671         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
13672         (lex_string): Support CPP_STRING{16,32}, match updated
13673         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
13674         (lex_charconst): Support CPP_CHAR{16,32}.
13675         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
13676         and CPP_STRING{16,32}.
13677
13678 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
13679
13680         PR bootstrap/35457
13681         * aclocal.m4: Regenerate.
13682         * configure: Regenerate.
13683
13684 2008-04-18  Jan Hubicka  <jh@suse.cz>
13685
13686         * except.c (dw2_size_of_call_site_table,
13687         sjlj_size_of_call_site_table): Use vector API for call_site_record.
13688
13689         * cgraphbuild.c (build_cgraph_edges): Update.
13690         * tree-pass.h: Update comment.
13691         * final.c (leaf_function_p): Update.
13692         (leaf_renumber_regs): Update.
13693         (rest_of_clean_state): Update.
13694         * omp-low.c (expand_omp_parallel): Update.
13695         * ipa-reference.c (analyze_function): Update.
13696         * reorg.c (find_end_label): Update.
13697         (optimize_skip): Update.
13698         (fill_simple_delay_slots): Update.
13699         (fill_simple_delay_slots): Update.
13700         (make_return_insns): Update.
13701         (dbr_schedule): Update.
13702         * gimple-low.c (record_vars_into): Update.
13703         * cfgbuild.c (make_edges): Update.
13704         * function.c (assign_stack_local): Update.
13705         (assign_parm_adjust_stack_rtl): Update.
13706         (locate_and_pad_parm): Update.
13707         (allocate_struct_function): Do not initialize stack_alignment_needed
13708         and preferred_stack_boundary here.
13709         (stack_protect_prologue): Update.
13710         (stack_protect_epilogue): Update.
13711         (expand_function_start): Initialize stack_alignment_needed,
13712         preferred_stack_boundary and max_jumptable_ents.
13713         (expand_function_end): Update.
13714         (free_after_compilation): Do not NULLify epilogue_delay_list.
13715         * function.h (struct rtl_data): Add stack_protect_guard,
13716         stack_alignment_needed,
13717         preferred_stack_boundary, epilogue_delay_list.
13718         (struct function): Remove value_histograms, stack_alignment_needed,
13719         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
13720         last_label_uid,
13721         unexpanded_var_list, stack_protect_guard.
13722         (current_function_epilogue_delay_list): Remove.
13723         * ipa-type-escape.c (analyze_function): Update.
13724         * gimplify.c (pop_gimplify_context): Update comment.
13725         * calls.c (expand_call): Update.
13726         (emit_library_call_value_1): Update.
13727         * except.c (set_nothrow_function_flags): Update.
13728         * cfgexpand.c (get_decl_align_unit): Update.
13729         (create_stack_guard): Update.
13730         (estimated_stack_frame_size): Update.
13731         (expand_used_vars): Update.
13732         (tree_expand_cfg): Free histogram earliers, init expansion variables.
13733         * explow.c (allocate_dynamic_stack_space): Update.
13734         * tree-ssa-live.c (remove_unused_locals): Update.
13735         * varasm.c (mark_constant_pool): Update.
13736         * tree-inline.c (remap_decls): Update.
13737         (initialize_cfun): Update.
13738         (declare_return_variable): Update.
13739         (inline_forbidden_p): Update.
13740         (expand_call_inline): Update.
13741         (declare_inline_vars): Update.
13742         (tree_function_versioning): Update.
13743         * tree-flow.h (value_histograms): New.
13744         (VALUE_HISTOGRAMS): New macro.
13745         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
13746         last_label_uid.
13747         * tree-cfg.c (set_bb_for_stmt): Update.
13748         (replace_by_duplicate_decl): Update.
13749         (move_block_to_fn): Update.
13750         (new_label_mapper): Update.
13751         (dump_function_to_file): Update.
13752         * ipa-struct-reorg.c (build_data_structure): Update.
13753         * cfgrtl.c (print_rtl_with_bb): Update.
13754         * reload1.c (reload): Update.
13755         (reload): Update.
13756         * config/i386/i386.c (setup_incoming_varargs_64,
13757         ix86_compute_frame_layout): Update.
13758         * config/arc/arc.c (arc_output_function_epilogue): Update.
13759
13760 2008-04-18  Marius Strobl <marius@FreeBSD.org>
13761
13762         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
13763         for FreeBSD as well.
13764         * gthr-posix95.h: Likewise.
13765
13766 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
13767
13768         PR rtl-optimization/35838
13769         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
13770         out the byte offset of the first subreg.
13771
13772 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
13773
13774         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
13775         to split_ti instead of three separate calls with single member arrays.
13776         (subti3 splitter): Ditto.
13777         (adddi3 splitter): Ditto with split_di.
13778         (subdi3 splitter): Ditto.
13779         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
13780         two separate calls with single member arrays.  Swap match_dup
13781         operands 1 and 2 to better fit into the array.
13782         (negdi2 splitter): Ditto with split_di.
13783         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
13784         two separate calls with single member arrays.  Swap match_dup operands
13785         6 and 7 to better fit into the array.
13786
13787 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
13788
13789         * config/i386/i386.c (sse_builtin_type): New.
13790         (bdesc_sse_args): Likewise.
13791         (bdesc_sse_3arg): Removed.
13792         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13793         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
13794         IX86_BUILTIN_ROUNDPS.
13795         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
13796         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
13797         IX86_BUILTIN_ROUNDPS.
13798         (ix86_expand_sse_4_operands_builtin): Removed.
13799         (ix86_expand_sse_operands_builtin): New.
13800         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
13801         and CODE_FOR_sse4_1_roundps.
13802         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13803         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
13804
13805 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
13806
13807         PR target/35907
13808         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
13809         regs before frame pop when needed.  If use_backchain_to_restore_sp
13810         then load backchain into a temp reg to restore vr and vrsave.  Add
13811         code to restore vr after frame pop if possible.
13812
13813 2008-04-17  Richard Guenther  <rguenther@suse.de>
13814
13815         * tree-vn.c (expressions_equal_p): Do not check type
13816         equality or compatibility before calling operand_equal_p.
13817         * fold-const.c (operand_equal_p): Check equivalence of
13818         integer constants before bailing out due to signedness or
13819         precision differences.
13820         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
13821         spurious differences in type qualification.  Ignore types
13822         for COMPONENT_REFs at all.
13823
13824 2008-04-17  Christian Bruel  <christian.bruel@st.com>
13825
13826         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
13827         msw_skip comparison.
13828
13829 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
13830
13831         PR c/35739
13832         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
13833         reg type.
13834
13835         PR tree-optimization/35899
13836         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
13837         rather than TREE_OPERAND.
13838
13839 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
13840
13841         PR target/35944
13842         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
13843         temporary registers.  Change operand predicate to general_operand.
13844         (remainderxf3): Ditto.
13845
13846 2008-04-16  Richard Guenther  <rguenther@suse.de>
13847
13848         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
13849         * tree-affine.c (aff_combination_expand): Look through some
13850         conversions.
13851
13852 2008-04-15  Doug Kwan  <dougkwan@google.com>
13853
13854         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
13855         for hex printing.
13856         * tree-pretty-print.c (dump_generic_node): Ditto.
13857         * final.c (output_addr_const): Ditto.
13858         * dwarf2out.c (output_cfi): Ditto.
13859         * c-pretty-print.c (pp_c_integer_constant): Ditto.
13860         * print-rtl.c (print_rtx): Ditto.
13861         * print-tree.c (print_node_brief, print_node): Ditto.
13862         * c-common.c (match_case_to_enum_1): Ditto.
13863         * sched-vis.c (print_value): Ditto.
13864         * config/i386/i386.c (print_operand): Cast to long unsigned int
13865         for hex printing.
13866
13867 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
13868         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
13869         MS Windows VirtualProtect function.
13870
13871 2008-04-15  Jan Hubicka  <jh@suse.cz>
13872
13873         * gengtype.c (write_root): Param_is argument is OK.
13874         * expr.c (expand_expr_real_1): Update call of get_exception_*.
13875         * function.h: Include varray.h
13876         (rtl_eh): New stucture based on except.c one.
13877         (call_site_record): New forward declaration and vector type.
13878         * calls.c (emit_call_1): Do not call
13879         note_current_region_may_contain_throw.
13880         * except.c (eh_status): Remove cur_region, try_region since they are
13881         unused.
13882         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
13883         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
13884         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
13885         Remove call_site_data_used, call_site_data_size.
13886         Turn call_site_record into vector in function.h.
13887         (note_current_region_may_contain_throw): Remove.
13888         (get_exception_pointer, get_exception_filter): Do not take struct
13889         function argument; update.
13890         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
13891         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
13892         build_post_landing_pads, dw2_build_landing_pads,
13893         sjlj_assign_call_site_values, sjlj_mark_call_sites,
13894         sjlj_emit_function_enter, sjlj_emit_function_enter,
13895         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
13896         sjlj_build_landing_pads, finish_eh_generation,
13897         remove_exception_handler_label, remove_eh_handler,
13898         maybe_remove_eh_handler, add_reachable_handler,
13899         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
13900         add_action_record, collect_one_action_chain, add_call_site,
13901         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
13902         sjlj_output_call_site_table, output_function_exception_table,
13903         * except.h (note_current_region_may_contain_throw): Remove
13904         (get_exception_pointer, get_exception_filter): Do not take struct
13905         function argument.
13906         * Makefile.in (GTFILES): Put varargs before struct function.
13907
13908 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13909
13910         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
13911         punt for STRING_CST.
13912         (get_constraint_for): Deal with STRING_CST here instead.
13913
13914 2008-04-15  Richard Guenther  <rguenther@suse.de>
13915
13916         * tree-ssa-propagate.c (substitute_and_fold): Substitute
13917         statements in a basic-block with a backward walk.  Do not
13918         substitute into dead statements but instead remove those.
13919
13920 2008-04-15  Richard Guenther  <rguenther@suse.de>
13921
13922         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
13923         to zero, thus disable creation of SFTs.
13924
13925 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13926
13927         * tree-predcom.c (suitable_reference_p): Return false if the
13928         reference can throw.
13929
13930 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
13931
13932         PR c/35751
13933         * c-decl.c (finish_decl): If extern or static var has variable
13934         size, set TREE_TYPE (decl) to error_mark_node.
13935
13936 2008-04-15  Rafael Espindola  <espindola@google.com>
13937
13938         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
13939         variable arg1.
13940
13941 2008-04-15  Richard Guenther  <rguenther@suse.de>
13942
13943         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
13944         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
13945         (visit_reference_op_load): Do walk vuse-vdef chains on
13946         vn_reference_lookup.
13947         (visit_reference_op_store): But do not here.
13948         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
13949         vn_reference_lookup.
13950         (vn_lookup_with_vuses): But do so here.
13951
13952 2008-04-14  Ian Lance Taylor  <iant@google.com>
13953
13954         * fold-const.c (fold_overflow_warning): Remove assertion.
13955
13956 2008-04-15  Ben Elliston  <bje@au.ibm.com>
13957
13958         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
13959         temp1 local variables.
13960
13961 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
13962
13963         PR target/35661
13964         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
13965         ".text.unlikely" section as executable.
13966
13967 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
13968
13969         * config/ia64/ia64.c (rtx_needs_barrier): Handle
13970         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
13971         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
13972         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
13973         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
13974         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
13975         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
13976
13977 2008-04-14  Ian Lance Taylor  <iant@google.com>
13978
13979         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
13980         * fold-const.c (fold_comparison): If appropriate, test
13981         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
13982         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
13983         reassociating a pointer type.
13984         * doc/invoke.texi (Optimize Options): Document that
13985         -fstrict-overflow applies to pointer wraparound.
13986
13987 2008-04-13  Jan Hubicka  <jh@suse.cz>
13988
13989         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
13990
13991 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
13992
13993         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
13994         we are going to "save the world".
13995
13996 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
13997
13998         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
13999         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14000         operand 0 constraint, not "=".
14001
14002 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
14003
14004         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
14005
14006 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14007
14008         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
14009         of size of positions_needed * CHAR_BIT.
14010
14011 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14012
14013         PR middle-end/35897
14014         * dse.c (store_info): Change positions_needed to unsigned
14015         HOST_WIDE_INT.
14016         (lowpart_bitmask): New.
14017         (record_store): Cast to unsigned HOST_WIDE_INT for
14018         positions_needed.  Assert width <= size of positions_needed *
14019         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
14020         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
14021         lowpart_bitmask to set mask.
14022
14023 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
14024
14025         * config/bfin/constraints.md: New file.
14026         * config/bfin/bfin.md: Include it.
14027         (adddi3): Use satisfies_constraint functions instead of the old macros.
14028         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
14029         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
14030         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
14031         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
14032         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
14033         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
14034         EXTRA_CONSTRAINT): Delete.
14035         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
14036         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
14037         of the old macros.
14038         * config/bfin/bfin.c: Include "tm-constrs.h".
14039         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
14040         Use satisfies_constraint functions instead of the old macros.
14041         * doc/md.texi (Blackfin Constraints): Update file name reference.
14042
14043 2008-04-11  Richard Guenther  <rguenther@suse.de>
14044
14045         PR tree-optimization/35869
14046         * tree-vrp.c (execute_vrp): Move switch statement update after
14047         jump threading.  Schedule another cfg cleanup run.
14048
14049 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
14050
14051         PR c/35744
14052         * attribs.c (decl_attributes): Return early on errorneous node.
14053
14054 2008-04-10  Oleg Ryjkov  <olegr@google.com>
14055
14056         * tree.h (struct tree_base): Added a new flag default_def_flag.
14057         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
14058
14059 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14060
14061         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
14062
14063 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14064
14065         PR target/35768
14066         * pa.md: Define mode iterator P.  Define mode attribute dwc.
14067         (dcacheflush): Update pattern to use iterator P and attribute dwc.
14068         (icacheflush): Likewise.
14069         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
14070         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
14071
14072 2008-04-11  Ben Elliston  <bje@au.ibm.com>
14073
14074         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
14075
14076 2008-04-10  Rafael Espindola  <espindola@google.com>
14077
14078         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
14079         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
14080         (extract_range_from_expr): The same.
14081
14082 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14083
14084         * config/mips/mips.md (GPR2): New mode iterator.
14085         (seq): Add comment.
14086         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
14087         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
14088         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
14089         Rewrite these to take two modes, the mode of comparison and the
14090         mode of the destination.
14091         * config/mips/mips.c (mips_expand_scc): Instead of having
14092         paradoxical subreg as destination, expand "narrowing" scc if mode
14093         of comparison is SI and target is requested in DI mode.
14094         (mips_emit_int_order_test): Update comment.  Make mode of
14095         comparison match CMP0 rather than TARGET.  When creating inverse
14096         target use mode of TARGET.
14097
14098 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14099
14100         * gcov-dump.c (tag_summary): Only print summaries for the first
14101         GCOV_COUNTERS_SUMMABLE counters.
14102
14103 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
14104
14105         * config/i386/i386.md (absneg): New code iterator.
14106         (absnegprefix): New code attribute.
14107         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
14108         patterns using absneg code iterator.
14109         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
14110         using absneg code iterator.
14111         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
14112         *neg<mode>2 patterns using absneg code iterator.
14113         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14114         *negextendsfdf2 patterns using absneg code iterator.
14115         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
14116         *negextendsfxf2 patterns using absneg code iterator.
14117         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14118         *negextendsfdf2 patterns using absneg code iterator.
14119         * config/i386/sse.md (<code><mode>2): Macroize expander from
14120         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
14121
14122 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
14123
14124         * config/s390/s390.h: Remove the remains of the recent search
14125         & replace action of current_function_outgoing_args_size.
14126
14127 2008-04-10  Ira Rosen  <irar@il.ibm.com>
14128
14129         PR tree-optimization/35821
14130         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
14131         NEW_STMT_LIST is not NULL.
14132
14133 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
14134
14135         PR libstdc++/35597
14136         * toplev.c (process_options): Remove -ffunction-sections debugging
14137         warning.
14138
14139 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
14140
14141         PR middle-end/PR28690
14142         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
14143         than gen_rtx_fmt_ee to perform more canonicalizations.
14144
14145 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14146
14147         PR driver/35665
14148         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
14149
14150 2008-04-09  Richard Guenther  <rguenther@suse.de>
14151
14152         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
14153         (dump_function_to_file): Dump function arguments with types.
14154
14155 2008-04-08  Richard Guenther  <rguenther@suse.de>
14156
14157         * fold-const.c (fold_widened_comparison): Do not allow
14158         sign-changes that change the result.
14159
14160 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
14161
14162         PR target/35839
14163         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
14164         kinds of indirect references.
14165
14166 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
14167
14168         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
14169         GNU Fortran language string.
14170
14171 2008-04-08  Rafael Espindola  <espindola@google.com>
14172
14173         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
14174         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
14175         * tree.h (tree_call_nonnegative_warnv_p): New.
14176
14177 2008-04-08  Jan Hubicka  <jh@suse.cz>
14178
14179         * function.c (free_after_compilation): Clear out regno_reg_rtx
14180         pointer.
14181
14182 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
14183
14184         Revert
14185         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14186
14187         PR middle-end/PR28690
14188         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14189         same precedence as REG_POINTER and MEM_POINTER operands.
14190
14191 2008-04-08  Richard Guenther  <rguenther@suse.de>
14192
14193         PR middle-end/35834
14194         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14195         for adding index to base.
14196
14197 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14198
14199         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14200         (MINGW_ENABLE_EXECUTE_STACK): New.
14201         (IN_LIBGCC2): For libgcc include windows.h file for
14202         function declarations.
14203
14204 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14205
14206         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14207         and tem2 if tem1 is not a REG or MULT.
14208
14209 2008-04-08  Jan Hubicka  <jh@suse.cz>
14210
14211         * function.h (incomming_args): Break out of struct function.
14212         (function_subsections): Break out of struct function.
14213         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14214         return_rtx and hard_reg_initial_vals from struct function.
14215         Kill inl_max_label_num.
14216         (current_function_pops_args, current_function_args_info,
14217         current_function_args_size, current_function_args_size,
14218         current_function_pretend_args_size,
14219         current_function_outgoing_args_size,
14220         current_function_internal_arg_pointer, current_function_return_rtx):
14221         Kill compatibility accestor macros.
14222         * builtins.c (expand_builtin_apply_args_1): Update.
14223         (expand_builtin_next_arg): Update.
14224         * df-scan.c (df_get_call_refs): Update.
14225         * dbxout.c (dbxout_function_end): Update.
14226         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14227         (output_line_info): Update.
14228         (secname_for_decl): Update.
14229         (dwarf2out_var_location): Update.
14230         * function.c (free_after_compilation): Update.
14231         (assign_parm_find_stack_rtl): Update.
14232         (assign_parms): Update.
14233         (expand_dummy_function_end): Update.
14234         (expand_function_end): Update.
14235         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14236         (expand_call): Update.
14237         (emit_library_call_value_1): Update.
14238         (store_one_arg): Update.
14239         * varasm.c (initialize_cold_section_name): Update.
14240         (unlikely_text_section): Update.
14241         (unlikely_text_section_p): Update.
14242         (assemble_start_function): Update.
14243         (assemble_end_function): Update.
14244         (default_section_type_flags): Update.
14245         (switch_to_section): Update.
14246         * integrate.c (set_decl_abstract_flags): Update.
14247         (get_hard_reg_initial_val): Update.
14248         (has_hard_reg_initial_val): Update.
14249         (allocate_initial_values): Update.
14250         * resource.c (init_resource_info): Update.
14251         * config/alpha/alpha.c (NUM_ARGS): Update.
14252         (direct_return): Update.
14253         (alpha_va_start): Update.
14254         (alpha_sa_size): Update.
14255         (alpha_initial_elimination_offset): Update.
14256         (alpha_expand_prologue): Update.
14257         (alpha_start_function): Update.
14258         (alpha_expand_epilogue): Update.
14259         (unicosmk_initial_elimination_offset):
14260         * config/alpha/alpha.md (call expander): Update.
14261         * config/s390/s390.c (s390_register_info): Update.
14262         (s390_register_info): Update.
14263         (s390_frame_info): Update.
14264         (s390_initial_elimination_offset): Update.
14265         (s390_build_builtin_va_list): Update.
14266         (s390_va_start): Update.
14267         * config/spu/spu.c (direct_return): Update.
14268         (spu_expand_prologue): Update.
14269         (spu_initial_elimination_offset): Update.
14270         (spu_build_builtin_va_list): Update.
14271         (spu_va_start): Update.
14272         * config/sparc/sparc.c (sparc_init_modes): Update.
14273         (sparc_compute_frame_size): Update.
14274         (function_value): Update.
14275         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14276         * config/i386/i386.md (return expander): Update.
14277         * config/i386/i386.c (ix86_va_start): Update.
14278         (ix86_can_use_return_insn_p): Update.
14279         (ix86_compute_frame_layout): Update.
14280         (ix86_expand_epilogue): Update.
14281         * config/sh/sh.c (output_stack_adjust): Update.
14282         (calc_live_regs): Update.
14283         (sh_expand_prologue): Update.
14284         (sh_builtin_saveregs): Update.
14285         (sh_va_start): Update.
14286         (initial_elimination_offset): Update.
14287         (sh_allocate_initial_value): Update.
14288         (sh_function_ok_for_sibcall): Update.
14289         (sh_get_pr_initial_val): Update.
14290         * config/sh/sh.md (return expander): Update.
14291         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14292         * config/crx/crx.c (crx_compute_frame): UPdate.
14293         (crx_initial_elimination_offset): UPdate.
14294         * config/xtensa/xtensa.c (compute_frame_size): Update
14295         (xtensa_builtin_saveregs): Update.
14296         (xtensa_va_start): Update.
14297         (order_regs_for_local_alloc): Update.
14298         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14299         (xstormy16_expand_builtin_va_start): Update.
14300         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14301         * config/m68hc11/m68hc11.md (return expanders): Update.
14302         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14303         (expand_epilogue): Update.
14304         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14305         (cris_simple_epilogue): Update.
14306         (cris_expand_prologue): Update.
14307         (cris_expand_epilogue): Update.
14308         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14309         (compute_frame_size): Update.
14310         * config/mt/mt.c (mt_compute_frame_size): Update.
14311         * config/mn10300/mn10300.c (expand_prologue): Update.
14312         (expand_epilogue): Update.
14313         (initial_offset): Update.
14314         (mn10300_builtin_saveregs):
14315         * config/mn10300/mn10300.md (return expander): Update.
14316         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14317         (ia64_initial_elimination_offset): Update.
14318         (ia64_initial_elimination_offset): Update.
14319         (ia64_expand_prologue): Update.
14320         * config/m68k/m68k.md (return expander): Update.
14321         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14322         (rs6000_stack_info): Update.
14323         * config/mcore/mcore.c (layout_mcore_frame): Update.
14324         (mcore_expand_prolog): Update.
14325         * config/arc/arc.c (arc_compute_frame_size): Update.
14326         * config/score/score3.c (score3_compute_frame_size): Update.
14327         * config/score/score7.c (score7_compute_frame_size): Update.
14328         * config/arm/arm.c (use_return_insn): Update.
14329         (thumb_find_work_register): Update.
14330         (arm_compute_save_reg_mask): Update.
14331         (arm_output_function_prologue): Update.
14332         (arm_output_epilogue): Update.
14333         (arm_size_return_regs): Update.
14334         (arm_get_frame_offsets): Update.
14335         (arm_expand_prologue): Update.
14336         (thumb_exit): Update.
14337         (thumb_unexpanded_epilogue): Update.
14338         (thumb1_output_function_prologue): Update.
14339         * config/pa/pa.md (return expander): Update.
14340         * config/pa/pa.c (compute_frame_size): Update.
14341         (hppa_builtin_saveregs): Update.
14342         * config/mips/mips.c (mips_va_start): Update.
14343         (mips16_build_function_stub): Update.
14344         (mips_compute_frame_info): Update.
14345         (mips_restore_gp): Update.
14346         (mips_output_function_prologue): Update.
14347         (mips_expand_prologue): Update.
14348         * config/v850/v850.c (compute_frame_size): Update.
14349         (expand_prologue): * config/mmix/mmix.c (along): update.
14350         (mmix_initial_elimination_offset): update.
14351         (mmix_reorg): update.
14352         (mmix_use_simple_return): update.
14353         (mmix_expand_prologue): update.
14354         (mmix_expand_epilogue): Update.
14355         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14356         (emit_link_insn): Update.
14357
14358 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14359
14360         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14361         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14362         instructions.
14363         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14364         atmega103 device.
14365
14366 2008-04-07  Jan Hubicka  <jh@suse.cz>
14367
14368         * function.h (rtl): Rename to x_rtl.
14369         (crtl): New define.
14370         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14371         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14372         used_temp_slots avail_temp_slots, temp_slot_level,
14373         nonlocal_goto_handler_labels): Update accesstors.
14374         (rtl): New global variable.
14375         (struct function): Move some fileds to rtl_data.
14376         (get_arg_pointer_save_area): Update prototype.
14377         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14378         get_arg_pointer_save_area.
14379         * expr.c (init_expr): Update
14380         * function.c (get_frame_size): Update
14381         (assign_stack_local): Update
14382         (expand_function_end): Update.
14383         (get_art_pointer_save_area): Update
14384         * function.h
14385         * emit-rtl.c (rtl): Declare.
14386         (regno_reg_rtx): Declare.
14387         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14388         Update.
14389         (gen_reg_rtx): Update.
14390         * varasm.c (n_deferred_constatns): Update accestor.
14391         (init_varasm_status): Do not allocate varasm_status.
14392         (force_const_mem, get_pool_size, output_constant_pool): Update.
14393         * stmt.c (force_label_rtx): Do not use x_ prefixes.
14394         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
14395         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
14396         * sparc/sparc.h (INIT_EXPANDERS): Update.
14397         * ia64/ia64.h (INIT_EXPANDERS): Update.
14398
14399 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
14400
14401         * reload.c (push_secondary_reload): Add missing break to for loop.
14402
14403 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14404
14405         PR middle-end/PR28690
14406         * rtlanal.c: Update copyright years.
14407         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
14408         as REG_POINTER and MEM_POINTER operands.
14409         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
14410         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
14411         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
14412         * gcse.c: Update copyright years.
14413         (pre_delete): Call gen_reg_rtx_and_attrs.
14414         (hoist_code): Likewise.
14415         (build_store_vectors): Likewise.
14416         (delete_store): Likewise.
14417         * loop-invariant.c (move_invariant_reg): Likewise.
14418         Update copyright years.
14419
14420 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
14421
14422         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
14423         control string instead of quoted.
14424
14425 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
14426
14427         * doc/rtl.texi: Rewrite of subreg section.
14428
14429 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
14430
14431         PR/35842
14432         * config/i386/i386.c (legitimize_pic_address): Add treating
14433         of dllimport SYM_REF's.
14434         (legitimize_dllimport_symbol): Add prototype.
14435
14436 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14437
14438         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
14439         reference in constructor with non self-referential type.
14440
14441 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14442
14443         Removal of Return with Depressed Stack Pointer support
14444         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
14445         (ECF_SP_DEPRESSED): Likewise.
14446         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
14447         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
14448         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14449         (expand_call): Do not test ECF_SP_DEPRESSED.
14450         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14451         * function.c (keep_stack_depressed): Delete.
14452         (handle_epilogue_set): Likewise.
14453         (update_epilogue_consts): Likewise.
14454         (emit_equiv_load): Likewise.
14455         (thread_prologue_and_epilogue_insns): Remove support for Return with
14456         Depressed Stack Pointer.
14457         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14458
14459 2008-04-06  Richard Guenther  <rguenther@suse.de>
14460
14461         PR tree-optimization/35400
14462         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
14463         information from SSA_NAMEs.
14464
14465 2008-04-06  Anatoly Sokolov <aesok@post.ru>
14466
14467         * config/avr/avr.h (avr_mega_p): Remove declaration.
14468         (AVR_MEGA): Remove macro.
14469         * config/avr/avr.c (avr_mega_p): Remove variable.
14470         (avr_override_options): Remove inicializion of avr_mega_p.
14471         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14472         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14473         (avr_jump_mode): (Ditto.).
14474         (avr_output_progmem_section_asm_op): (Ditto.).
14475         (avr_asm_init_sections): (Ditto.).
14476         (avr_asm_init_sections): (Ditto.).
14477         (avr_rtx_costs): (Ditto.).
14478         * config/avr/avr.md: (Ditto.).
14479         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
14480         '__AVR_MEGA__'.
14481
14482 2008-04-06  Richard Guenther  <rguenther@suse.de>
14483
14484         PR tree-optimization/35842
14485         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
14486         is_gimple_invariant_address.
14487
14488 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14489
14490         * gcc.c (default_compilers): Sync Fortran extensions list with
14491         that in fortran/lang-specs.h.
14492         * doc/invoke.texi: Likewise.
14493         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
14494         * dwarf2out.c (gen_compile_unit_die): Likewise.
14495
14496 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
14497
14498         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
14499
14500 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
14501
14502         PR target/12329
14503         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
14504         attribute is used for nested functions.
14505
14506 2008-04-05  Jan Hubicka  <jh@suse.cz>
14507
14508         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
14509
14510         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
14511         letter argument.
14512         (dump_files): Update.
14513         (enable_rtl_dump_file): Do not accept letter argument.
14514         * tree-pass.h (dump_file_info): Remove letter argument.
14515         * toplev.c (decode_d_option): Update -da handling.
14516         * toplev.h (enable_rtl_dump_file): Update prototype.
14517         * passes.c (register_one_dump_file): Do not accept IPA argument; work
14518         it out based on pass type.
14519         (register_dump_files_1): Likewise.
14520         (init_optimization_passes): Update register_one_dump_file calls.
14521         (execute_one_pass): Sanity check that IPA passes are called at IPA
14522         level and RTL passes at RTL level.
14523         (execute_pass_list): IPA pass can not be after or subpass of
14524         GIMPLE/RTL pass.
14525         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
14526         disallov RTL subpasses of IPA subpasses.
14527
14528 2008-04-05  Ben Elliston  <bje@au.ibm.com>
14529
14530         * tree-cfg.c (need_fake_edge_p): Return false for calls to
14531         builtins that return exactly once and do not throw. Cache call to
14532         call_expr_flags.
14533
14534 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
14535
14536         PR rtl-optimization/34916
14537         PR middle-end/35519
14538         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
14539         between instruction pairs.
14540
14541 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
14542
14543         * doc/invoke.texi: Document -mbitops for SH.
14544         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
14545         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
14546         * config/sh/sh.c (print_operand): Add %t operand code.
14547         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
14548         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
14549         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
14550         (extendqihi2): Likewise.
14551         (movqi_i): Likewise.
14552         (insv): Use bset, bclr and bst instructions for SH2A if possible.
14553         (extv): Use bld instruction for SH2A if possible.
14554         (extzv): Likewise.
14555         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
14556         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
14557         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
14558         (bset.b, bclr.b): Define peepholes.
14559         * config/sh/sh.opt (mbitops): New option.
14560
14561 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
14562
14563         PR target/35620
14564         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
14565         and view convert expression.
14566
14567 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14568
14569         PR target/35364
14570         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
14571
14572 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
14573
14574         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
14575
14576         * config/i386/cpuid.h (bit_AES): New.
14577         (bit_PCLMUL): Likewise.
14578
14579         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
14580         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
14581         SSE2 if AES or PCLMUL is enabled.
14582         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
14583         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14584         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
14585         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
14586         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
14587         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
14588         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14589         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
14590         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
14591         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
14592         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
14593         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
14594         __builtin_ia32_aeskeygenassist128 and
14595         __builtin_ia32_pclmulqdq128.
14596         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
14597         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
14598         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
14599
14600         * config/i386/i386.h (TARGET_AES): New.
14601         (TARGET_PCLMUL): Likewise.
14602         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
14603
14604         * config/i386/i386.md (UNSPEC_AESENC): New.
14605         (UNSPEC_AESENCLAST): Likewise.
14606         (UNSPEC_AESDEC): Likewise.
14607         (UNSPEC_AESDECLAST): Likewise.
14608         (UNSPEC_AESIMC): Likewise.
14609         (UNSPEC_AESKEYGENASSIST): Likewise.
14610         (UNSPEC_PCLMUL): Likewise.
14611
14612         * config/i386/i386.opt (maes): New.
14613         (mpclmul): Likewise.
14614
14615         * config/i386/sse.md (aesenc): New pattern.
14616         (aesenclast): Likewise.
14617         (aesdec): Likewise.
14618         (aesdeclast): Likewise.
14619         (aesimc): Likewise.
14620         (aeskeygenassist): Likewise.
14621         (pclmulqdq): Likewise.
14622
14623         * config/i386/wmmintrin.h: New.
14624
14625         * doc/extend.texi: Document AES and PCLMUL built-in function.
14626
14627         * doc/invoke.texi: Document -maes and -mpclmul.
14628
14629 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
14630
14631         * function.c (free_after_parsing): Replace with
14632         cxx_push_function_context from C++ front-end.
14633         (allocate_struct_function): Don't call langhook.
14634         * langhooks.h (struct lang_hooks_for_functions): Delete.
14635         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
14636         member "function".
14637         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
14638         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
14639         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
14640         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
14641         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
14642         remove LANG_HOOKS_FUNCTION_INITIALIZER.
14643         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
14644
14645         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
14646         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
14647
14648 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14649
14650         PR c/35440
14651         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
14652         for all types.
14653
14654 2008-04-04  Richard Guenther  <rguenther@suse.de>
14655
14656         PR middle-end/35823
14657         * fold-const.c (optimize_minmax_comparison): Use the correct
14658         type for the constant in the simplified comparison.
14659
14660 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
14661
14662         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
14663         Pass L2 size as "--param l2-cache-size" to the compiler.
14664         (decode_l2_cache): New function to decode L2 cache parameters using
14665         0x8000006 extended cpuid function.
14666         (detect_caches_amd): Determine parameters of L2 cache using
14667         decode_l2_caches function.
14668         (decode_caches_intel): Decode L2 cache parameters.
14669         (detect_caches_intel): Determine L2 cache parameters using
14670         decode_caches_intel and decode_l2_caches functions.
14671
14672 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
14673
14674         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
14675         secondary input reload for subword loads from the constant pool.
14676
14677 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
14678
14679         PR target/35713
14680         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
14681           constants of the appropriate size for runtime calculations.
14682
14683         PR c/35712
14684         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
14685           decimal-float literal constant zero.
14686
14687 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
14688
14689         PR c/35738
14690         * c-parser.c (c_parser_omp_atomic): Call
14691         default_function_array_conversion on the RHS.
14692
14693         PR middle-end/35818
14694         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
14695         call is_variable_sized if decl has incomplete type.
14696
14697 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
14698
14699         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
14700
14701 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14702
14703         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
14704         iterators.
14705         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
14706         (sgt<u>): Merge sgt and sgtu into new expander.
14707         (sgt, sgtu): Remove expanders.
14708         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
14709         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
14710         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
14711         *sgtu_<mode>_mips16 into new pattern.
14712         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
14713         (sge<u>): Merge sge and sgeu into new expander.
14714         (sge, sgeu): Remove expanders.
14715         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
14716         new pattern.
14717         (*sge_<mode>, second *sge_<mode>): Remove patterns.
14718         (slt<u>): Merge slt and sltu into new expander.
14719         (slt, sltu): Remove expanders.
14720         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
14721         (*slt_<mode>, *sltu_<mode>): Remove patterns.
14722         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
14723         *sltu_<mode>_mips16 into new pattern.
14724         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
14725         (sle<u>): Merge sle and sleu into new expander.
14726         (sle, sleu): Remove expanders.
14727         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
14728         (*sle_<mode>, *sleu_<mode>): Remove patterns.
14729         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
14730         *sleu_<mode>_mips16 into new pattern.
14731         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
14732
14733 2008-04-03  Jan Hubicka  <jh@suse.cz>
14734
14735         PR tree-optimization/35795
14736         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
14737         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
14738         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
14739         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
14740         * score/score3.c (score3_output_mi_thunk): Likewise.
14741         * score/score7.c (score7_output_mi_thunk): Likewise.
14742         * mips/mips.c (mips_output_mi_thunk): Likewise.
14743
14744 2008-04-03  Richard Guenther  <rguenther@suse.de>
14745
14746         * tree-vrp.c (extract_range_from_unary_expr): Handle all
14747         conversions.  Simplify code.
14748
14749 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14750
14751         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
14752
14753 2008-04-03  Tom Tromey  <tromey@redhat.com>
14754             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14755
14756         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
14757         * config/bfin/t-bfin-linux (generated_files): Add
14758         linux-sysroot-suffix.h.
14759         * doc/install.texi (Prerequisites): Require make 3.80.
14760         * doc/sourcebuild.texi (Front End Directory): Document new
14761         variable.
14762         * Makefile.in (generated_files): New variable.
14763         (ALL_HOST_OBJS): New variable.
14764         ($(ALL_HOST_OBJS)): New target.
14765
14766 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14767
14768         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
14769         (remap_block): Call id->transform_lang_insert_block instead
14770         of langhook.
14771         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
14772         Set id.transform_lang_insert_block to NULL.
14773         (clone_body): Move to cp/optimize.c
14774         * tree-inline.h (struct copy_body_data): Change
14775         transform_lang_insert_block to function pointer.
14776         (copy_generic_body, copy_decl_no_change): Export.
14777         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
14778         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
14779         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
14780
14781         * c-tree.h (insert_block): Kill.
14782         * c-decl.c (insert_block): Kill.
14783
14784 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14785
14786         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14787         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14788         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
14789         argument.
14790         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
14791         argument, call {push,pop}_function_context from here.
14792         * c-parser.c: Use c_{push,pop}_function_context.
14793
14794         * function.c (push_function_context_to): Move meat ...
14795         (push_function_context): ... here.  Simplify.
14796         * function.c (pop_function_context_from): Move meat ...
14797         (pop_function_context): ... here.  Simplify.
14798         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
14799         leave_nested).
14800         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14801         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14802         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
14803         * tree.h (push_function_context_to, pop_function_context_from): Remove.
14804
14805 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14806
14807         * expmed.c (extract_force_align_mem_bit_field): Remove.
14808
14809 2008-04-03  Richard Guenther  <rguenther@suse.de>
14810
14811         PR middle-end/35800
14812         * expr.h (try_casesi): Adjust prototype.
14813         * expr.c (try_casesi): Take fallback label as extra parameter.
14814         Use that for gen_casesi if default_label is NULL.
14815         * stmt.c (expand_case): Pass fallback label to try_casesi,
14816         make sure to fill gaps with a fallback label if default_label
14817         is not present.
14818
14819 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
14820
14821         PR target/35801
14822         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
14823
14824 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14825
14826         * expmed.c (extract_split_bit_field): Remove if (0) code.
14827         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
14828         (do_ds_constraint): Likewise.
14829
14830 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
14831
14832         * doc/cppopts.texi (-dU): Document.
14833         * c-common.h (flag_dump_macros): Update comment.
14834         * c-opts.c (handle_OPT_d): Handle -dU.
14835         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
14836         dump_queued_macros, cb_used_define, cb_used_undef): New.
14837         (init_pp_output): Handle -dU.
14838         (cb_line_change): Call dump_queued_macros.
14839         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
14840
14841 2008-04-02  Anatoly Sokolov <aesok@post.ru>
14842
14843         * config/avr/predicates.md (io_address_operand): New predicate.
14844         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
14845         * config/avr/avr.c (avr_io_address_p): Remove function.
14846         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
14847         'avr_io_address_p' function.
14848         (out_movhi_r_mr): (Ditto.).
14849         (out_movqi_mr_r): (Ditto.).
14850         (out_movhi_mr_r): (Ditto.).
14851         (avr_address_cost): (Ditto.).
14852
14853 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
14854
14855         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
14856         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
14857         in 32bit mode when XMM registers are available to avoid store
14858         forwarding stalls.
14859         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
14860         corresponding post-reload splitters.
14861
14862 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14863
14864         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
14865         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
14866         __builtin_ia32_roundss.
14867         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
14868         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
14869         __builtin_ia32_roundss.
14870         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
14871         IX86_BUILTIN_SHUFPD here.
14872
14873 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14874
14875         * config/i386/i386.md (plogic): New.
14876         (plogicprefix): Likewise.
14877
14878         * config/i386/mmx.md (mmx_<code><mode>3): New.
14879         (mmx_and<mode>3): Removed.
14880         (mmx_ior<mode>3): Likewise.
14881         (mmx_xor<mode>3): Likewise.
14882
14883         * config/i386/sse.md (<code><mode>3): New.
14884         (*<code><mode>3): Likewise.
14885         (*<code><mode>3): Likewise.
14886         (<code><mode>3): Likewise.
14887         (*sse_<code><mode>3): Likewise.
14888         (*sse2_<code><mode>3): Likewise.
14889         (<code>tf3): Likewise.
14890         (*<code>tf3): Likewise.
14891         (and<mode>3): Likewise.
14892         (*and<mode>3): Likewise.
14893         (ior<mode>3): Removed.
14894         (*ior<mode>3): Likewise.
14895         (xor<mode>3): Likewise.
14896         (*xor<mode>3): Likewise.
14897         (*and<mode>3): Likewise.
14898         (*ior<mode>3): Likewise.
14899         (*xor<mode>3): Likewise.
14900         (and<mode>3): Likewise.
14901         (*sse_and<mode>3): Likewise.
14902         (*sse2_and<mode>3): Likewise.
14903         (andtf3): Likewise.
14904         (*andtf3): Likewise.
14905         (ior<mode>3): Likewise.
14906         (*sse_ior<mode>3): Likewise.
14907         (*sse2_ior<mode>3): Likewise.
14908         (iortf3): Likewise.
14909         (*iortf3): Likewise.
14910         (xor<mode>3): Likewise.
14911         (*sse_xor<mode>3): Likewise.
14912         (*sse2_xor<mode>3): Likewise.
14913         (xortf3): Likewise.
14914         (*xortf3): Likewise.
14915
14916 2008-04-02  Richard Guenther  <rguenther@suse.de>
14917
14918         PR tree-optimization/14495
14919         PR tree-optimization/34793
14920         * tree-vrp.c (struct switch_update): New structure.
14921         (to_remove_edges, to_update_switch_stmts): New VECs.
14922         (simplify_switch_using_ranges): New function.  Remove not taken
14923         case labels and edges.
14924         (simplify_stmt_using_ranges): Call it.
14925         (identify_jump_threads): Mark edges we have queued for removal
14926         so we don't thread them.
14927         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
14928         case label vector.
14929         * tree-cfg.c (group_case_labels): Deal with missing default label.
14930         (tree_verify_flow_info): Allow missing default label.
14931         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
14932         (emit_case_nodes): Likewise.
14933         (expand_case): Do not rely on the default label to be present.
14934         * expr.c (try_casesi): Deal with NULL default_label.
14935         (do_tablejump): Likewise.
14936
14937 2008-04-02  Richard Guenther  <rguenther@suse.de>
14938
14939         PR tree-optimization/14495
14940         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
14941         SWITCH_EXPR here ...
14942         (vrp_visit_switch_stmt): ... but here (new function).
14943         (find_case_label_index): New helper function.
14944         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
14945
14946 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14947
14948         * fwprop.c: Fix ISO-C99ism.
14949
14950 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14951
14952         PR bootstrap/35752
14953         * Makefile.in (objdir): Set it here.
14954         * configure.ac: Not here.  Find dynamic linker characteristics.
14955         * exec-tool.in: Use them.
14956         * aclocal.m4: Regenerate.
14957         * configure: Regenerate.
14958
14959 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14960
14961         * expr.c (expand_var): Delete it.
14962         * expr.h (expand_var): Delete prototype.
14963         * function.c (expand_function_start): Use expand_decl instead.
14964         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
14965         langhook.
14966
14967 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
14968
14969         PR rtl-optimization/35542
14970         * fwprop.c (forward_propagate_and_simplify): Replace
14971         loc_reg_mentioned_in_p with reg_mentioned_p.
14972
14973 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14974
14975         PR rtl-optimization/35281
14976         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
14977         (propagate_rtx_1): Handle PR_HANDLE_MEM.
14978         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
14979         (varying_mem_p): Move above propagate_rtx.
14980         (all_uses_available_at): Do not check MEMs.
14981
14982 2008-04-02  Rafael Espindola  <espindola@google.com>
14983
14984         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
14985         (register_edge_assert_for_2): Split the cond argument.
14986         (register_edge_assert_for_1): Adjust for the change in
14987         register_edge_assert_for_2.
14988         (register_edge_assert_for): Split the cond argument.
14989         (find_switch_asserts): Adjust for the change in
14990         register_edge_assert_for.
14991
14992 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
14993
14994         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
14995         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
14996         offsets for 64-bit mingw.
14997         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
14998         abi for x86_64-pc-mingw.
14999
15000 2008-04-02  Richard Guenther  <rguenther@suse.de>
15001
15002         * tree-vrp.c (extract_range_from_assert): Make sure to not
15003         produce range min/max with TREE_OVERFOW set.
15004         If merging a anti-range and a range keep the anti-range if
15005         the range covers all values of the type.
15006         (register_edge_assert_for_2): Only allow sign-changing
15007         conversions in detecting canonical range checks.  Also
15008         register an assert for the unsigned name if useful.
15009
15010         PR tree-optimization/35787
15011         * tree-vrp.c (vrp_val_max): New function.
15012         (vrp_val_min): Likewise.
15013         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
15014         (vrp_val_is_min): Likewise.
15015         (supports_overflow_infinity): Use vrp_val_{min,max}.
15016         (negative_overflow_infinity): Likewise.
15017         (positive_overflow_infinity): Likewise.
15018         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
15019         (is_positive_overflow_infinity): Likewise.
15020         (is_overflow_infinity): Likewise.
15021         (avoid_overflow_infinity): Use vrp_val_{min,max} and
15022         vrp_val_is_{min,max}.
15023         (set_and_canonicalize_value_range): Canonicalize anti-ranges
15024         to ranges if possible.  Avoid empty ranges.
15025
15026 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15027
15028         PR middle-end/35705
15029         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
15030         the expression is a function address.
15031
15032 2008-04-01  George Helffrich  <george@gcc.gnu.org>
15033
15034         PR fortran/35154, fortran/23057
15035         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
15036         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
15037         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
15038         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
15039         in common.
15040         (dbxout_syms): Check for COMMON-based symbol and wrap in
15041         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
15042         in bracket for efficiency.
15043
15044         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
15045         using DW_TAG_common_block + member offset.
15046         (add_pubname_string): New function.
15047         (dw_expand_expr): New function to find block name and offset for
15048         COMMON var.
15049         (common_check): New function to check whether symbol in Fortran COMMON.
15050         (gen_variable_die): If COMMON, use DW_TAG_common_block.
15051
15052 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
15053
15054         PR c/35436
15055         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
15056
15057 2008-04-02  Ben Elliston  <bje@au.ibm.com>
15058
15059         * config/v850/v850.md (casesi): Remove if (0) code.
15060         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15061         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
15062
15063 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
15064
15065         * config/i386/i386.md (rex64suffix): New mode attribute.
15066         (floathi<mode>2): Disable expander for SSE math.
15067         (*floathi<mode>2_1): New insn insn_and_split pattern.
15068         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
15069         corresponding post-reload splitters.
15070         (*floathi<mode>2_i387): New macroized insn pattern.
15071         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
15072         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
15073         insn_and_split pattern.
15074         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
15075         New macroized instruction patterns and corresponding post-reload
15076         splitters.
15077         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
15078         and corresponding post-reload splitters.
15079         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
15080         New macroized instruction patterns.
15081         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
15082         macroized instruction patterns and corresponding post-reload splitters.
15083         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
15084         corresponding post-reload splitters.
15085         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
15086         New macroized instruction patterns.
15087         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
15088         corresponding post-reload splitters.
15089         (*floatsi<mode>2_i387): New macroized instruction patterns.
15090
15091 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
15092
15093         * config/i386/i386.md (smaxmin): New.
15094         (umaxmin): Likewise.
15095         (maxminiprefix): Likewise.
15096         (maxminfprefix): Likewise.
15097         (<code><mode>3): Likewise.
15098         (smin<mode>3): Removed.
15099         (smax<mode>3): Likewise.
15100
15101         * config/i386/mmx.md (mmx_<code>v2sf3): New.
15102         (mmx_<code>v4hi3): Likewise.
15103         (mmx_<code>v8qi3): Likewise.
15104         (mmx_smaxv2sf3): Removed.
15105         (mmx_sminv2sf3): Likewise.
15106         (mmx_umaxv8qi3): Likewise.
15107         (mmx_smaxv4hi3): Likewise.
15108         (mmx_uminv8qi3): Likewise.
15109         (mmx_sminv4hi3): Likewise.
15110
15111         * config/i386/sse.md (<addsub><mode>3): New.
15112         (*<addsub><mode>3): Likewise.
15113         (<sse>_vm<addsub><mode>3): Likewise.
15114         (<maxmin><mode>3): Likewise.
15115         (*<maxmin><mode>3_finite): Likewise.
15116         (*<maxmin><mode>3): Likewise.
15117         (<sse>_vm<maxmin><mode>3): Likewise.
15118         (sse3_h<addsub>v4sf3): Likewise.
15119         (sse3_h<addsub>v2df3): Likewise.
15120         (<maxmin>v16qi3): Likewise.
15121         (*<maxmin>v16qi3): Likewise.
15122         (<maxmin>v8hi3): Likewise.
15123         (*<maxmin>v8hi3): Likewise.
15124         (*sse4_1_<maxmin><mode>3): Likewise.
15125         (*sse4_1_<maxmin><mode>3): Likewise.
15126         (add<mode>3): Removed.
15127         (*add<mode>3): Likewise.
15128         (<sse>_vmadd<mode>3): Likewise.
15129         (sub<mode>3): Likewise.
15130         (*sub<mode>3): Likewise.
15131         (<sse>_vmsub<mode>3): Likewise.
15132         (smin<mode>3): Likewise.
15133         (*smin<mode>3_finite): Likewise.
15134         (*smin<mode>3): Likewise.
15135         (<sse>_vmsmin<mode>3): Likewise.
15136         (smax<mode>3): Likewise.
15137         (*smax<mode>3_finite): Likewise.
15138         (*smax<mode>3): Likewise.
15139         (<sse>_vmsmax<mode>3): Likewise.
15140         (sse3_haddv4sf3): Likewise.
15141         (sse3_haddv2df3): Likewise.
15142         (sse3_hsubv4sf3): Likewise.
15143         (sse3_hsubv2df3): Likewise.
15144         (umaxv16qi3): Likewise.
15145         (*umaxv16qi3): Likewise.
15146         (smaxv8hi3): Likewise.
15147         (*smaxv8hi3): Likewise.
15148         (*sse4_1_smax<mode>3): Likewise.
15149         (*sse4_1_umax<mode>3): Likewise.
15150         (uminv16qi3): Likewise.
15151         (*uminv16qi3): Likewise.
15152         (sminv8hi3): Likewise.
15153         (*sminv8hi3): Likewise.
15154         (*sse4_1_smin<mode>3): Likewise.
15155         (*sse4_1_umin<mode>3): Likewise.
15156
15157 2008-04-01  Rafael Espindola  <espindola@google.com>
15158
15159         * tree-cfg.c (verify_expr): remove in_phi.
15160         (verify_stmt): Don't call walk_tree with verify_expr. Use
15161         is_gimple_min_invariant instead of is_gimple_val.
15162
15163 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
15164
15165         * doc/include/gpl_v3.texi: Update for manpage generation.
15166         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
15167         gpl.texi.
15168         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
15169         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
15170         gpl_v3.texi instead of gpl.texi.
15171         (gpl.pod): New.
15172
15173 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
15174
15175         PR pch/13675
15176         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15177
15178 2008-04-01  Rafael Espindola  <espindola@google.com>
15179
15180         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
15181         (extract_code_and_val_from_cond): Use
15182         extract_code_and_val_from_cond_with_ops.
15183
15184 2008-04-01  Jan Hubicka  <jh@suse.cz>
15185
15186         * function.c (free_after_compilation): Free epilogue_delay_list.
15187         (prepare_function_start): Assert that previous compilation was freed.
15188
15189 2008-04-01  Jan Hubicka  <jh@suse.cz>
15190             Jim Wilson  <wilson@tuliptree.org>
15191             Andreas Tobler <andreast@gcc.gnu.org>
15192
15193         PR middle-end/35781
15194         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15195         rtl.emit instead cfun->emit.
15196         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15197         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15198
15199 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15200
15201         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15202
15203 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15204
15205         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15206         New options
15207         (fprofile-use): Add var flag_profile_use
15208         * coverage.c (coverage_begin_output): Do not open a gcno file for
15209         output only if -ftest-coverage is set.
15210         Do not add getpwd() to gcda file path.
15211         (build_gcov_info): Check the new flag
15212         flag_profile_datafile_relative_path.
15213         (coverage_init): Use profile_data_prefix.
15214         Read profile counter only if flag_profile_use is set.
15215         * opts.c (common_handle_option): New option fprofile-use=,
15216         fprofile-dir=, fprofile-generate=.
15217         * toplev.c (profile_data_prefix): New variable definition.
15218         * toplev.h (profile_data_prefix): New declaration.
15219         * doc/invoke.tex (Option Summary, Optimization Options):
15220         Add new options.
15221
15222 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15223
15224         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15225         use tmp consistently.
15226
15227         PR target/35695
15228         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15229         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15230         UNSPEC_FR_RECIP_APPROX_RES.
15231         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15232
15233 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15234
15235         PR c/35750
15236         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15237
15238 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15239
15240         PR middle-end/30186
15241         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15242         element of the vector via a pointer.
15243
15244 2008-03-31  Ian Lance Taylor  <iant@google.com>
15245
15246         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15247
15248 2008-03-31  Jan Hubicka  <jh@suse.cz>
15249
15250         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15251         get_arg_pointer_save_area.
15252         * expr.c (init_expr): Just clear out rtl.expr.
15253         * function.c (free_after_compilation): Clear out whole RTL structure.
15254         (get_func_frame_size): Merge into ...
15255         (get_frame_size): ... this one.
15256         (assign_stack_local_1): Merge into ...
15257         (assign_stack_local): ... this one.
15258         (expand_function_end): Update call of get_arg_pointer_save_area.
15259         (get_art_pointer_save_area): Remove cfun argument.
15260         * function.h (emit_status): regno_pointer_align does not need length
15261         attribute. Move x_regno_reg_rtx to ...
15262         (regno_reg_rtx): ... new global array.
15263         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15264         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15265         apply_args_value, forced_labels, stack_pointer_delta):
15266         Update accestors.
15267         (struct varasm_status): Move here from varasm.c
15268         (struct rtl_data): New. Move here some fields from struct function.
15269         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15270         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15271         used_temp_slots avail_temp_slots, temp_slot_level,
15272         nonlocal_goto_handler_labels): Update accesstors.
15273         (rtl): New global variable.
15274         (struct function): Move some fileds to rtl_data.
15275         (get_arg_pointer_save_area): Update prototype.
15276         * emit-rtl.c (rtl): Declare.
15277         (regno_reg_rtx): Declare.
15278         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15279         Update.
15280         (gen_reg_rtx): Update.
15281         (init_virtual_regs): Do not tate emit_status argument.
15282         (init_emit): Do not allocate emit.
15283         * varasm.c (varasm_statuc): Move to function.h.
15284         (n_deferred_constatns): Update accestor.
15285         (init_varasm_status): Do not allocate varasm_status.
15286         (force_const_mem, get_pool_size, output_constant_pool): Update.
15287         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15288         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15289
15290 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15291
15292         PR rtl-optimization/35729
15293         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15294         references.
15295
15296 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15297
15298         PR target/32000
15299         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15300         load/store if memory is unaligned.
15301         (*movti_rex64): Likewise.
15302
15303         * config/i386/predicates.md (misaligned_operand): New.
15304
15305 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15306
15307         PR tree-opt/35431
15308         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15309         complex types.
15310
15311 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15312
15313         * config/ia64/constraints.md: Add 'j' constraint.
15314         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15315         (movdi_internal): Likewise.
15316
15317 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15318
15319         PR c/35748
15320         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15321
15322 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15323
15324         PR target/35757
15325         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15326         proper error message for the third argument on blendpd and
15327         blendps.
15328
15329         * config/i386/sse.md (blendbits): New.
15330         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15331
15332 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15333
15334         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15335
15336 2008-03-30  Richard Guenther  <rguenther@suse.de>
15337
15338         PR middle-end/31023
15339         * fold-const.c (fold_sign_changed_comparison): Do leave
15340         conversions to base-types alone.
15341
15342 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15343
15344         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15345         the link register if one altivec register is be saved.
15346
15347 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15348
15349         * final.c (final_scan_insn): Remove if (0) code.
15350
15351 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15352
15353         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15354
15355 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15356
15357         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15358         of V4SFmode to ix86_binary_operator_ok.
15359
15360 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15361
15362         * config/i386/i386.c (override_options): Initialize
15363         ix86_veclib_handler to ix86_veclibabi_svml when
15364         -mveclibabi=svml is used.
15365         (ix86_veclibabi_svml): New function for SVML ABI style
15366         vectorization support.
15367         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15368
15369 2008-03-28  Rafael Espindola  <espindola@google.com>
15370
15371         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15372         (tree_binary_nonnegative_warnv_p): Make it public.
15373         (tree_single_nonnegative_warnv_p): Make it public.
15374         (tree_invalid_nonnegative_warnv_p): Make it public.
15375         (tree_unary_nonzero_warnv_p): Make it public.
15376         (tree_binary_nonzero_warnv_p): Make it public
15377         (tree_single_nonzero_warnv_p): Make it public.
15378         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15379         (extract_range_from_binary_expr): Split the expr argument.
15380         (extract_range_from_unary_expr): Split the expr argument.
15381         (extract_range_from_comparison): Split the expr argument.
15382         (extract_range_from_expr): Use the new aux functions.
15383         (vrp_evaluate_conditional_warnv): Use
15384         vrp_evaluate_conditional_warnv_with_ops.
15385         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15386         (tree_binary_nonzero_warnv_p): Declare.
15387         (tree_single_nonzero_warnv_p): Declare.
15388         (tree_expr_nonzero_warnv_p): Declare.
15389         (tree_unary_nonnegative_warnv_p): Declare.
15390         (tree_binary_nonnegative_warnv_p): Declare.
15391         (tree_single_nonnegative_warnv_p): Declare.
15392         (tree_invalid_nonnegative_warnv_p): Declare.
15393
15394 2008-03-28  Richard Guenther  <rguenther@suse.de>
15395
15396         PR tree-optimization/30317
15397         PR tree-optimization/30911
15398         PR tree-optimization/34793
15399         * tree-vrp.c (set_and_canonicalize_value_range): New function.
15400         (struct assert_locus_d): New member EXPR.
15401         (register_new_assert_for): Add EXPR parameter to support
15402         ASSERT_EXPR <name, expr OP limit>.
15403         (register_edge_assert_for_1): Adjust callers.
15404         (find_assert_locations): Likewise.
15405         (process_assert_insertions_for): Build condition from expression.
15406         (extract_range_from_assert): Handle ASSERT_EXPRs
15407         of the form ASSERT_EXPR <name, expr OP limit>.
15408         (register_edge_assert_for_2): New helper registering
15409         asserts for comparisons.  Recognize range tests of the form
15410         (unsigned)i - CST1 OP CST2.
15411         (register_edge_assert_for_1): Use it.
15412         (register_edge_assert_for): Likewise.
15413         (needs_overflow_infinity): Integer sub-types
15414         do not need overflow infinities.
15415         (vrp_val_is_max): The extreme values of integer sub-types
15416         are those of the base type.
15417         (vrp_val_is_min): Likewise.
15418         * tree.def (ASSERT_EXPR): Document extra allowed conditional
15419         expressions.
15420
15421 2008-03-28  Nick Clifton  <nickc@redhat.com>
15422
15423         PR target/31110
15424         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
15425         Return GENERAL_REGS for stack adjustment reloads.
15426
15427 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15428
15429         PR target/31334
15430         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
15431         const_vector when all the vectors are constant.
15432
15433 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
15434
15435         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
15436         comparisons.
15437         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
15438         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
15439         (scc_sf): New.
15440         (s<code>_sf): Use new scc_sf attribute for opcode names.
15441
15442 2008-03-27  Tom Tromey  <tromey@redhat.com>
15443
15444         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
15445         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
15446         config/spu/t-spu-elf, config/i386/t-interix,
15447         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
15448         config/i386/x-darwin, config/i386/x-mingw32,
15449         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
15450         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
15451         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
15452         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
15453         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
15454         config/rs6000/x-darwin, config/rs6000/t-rs6000,
15455         config/score/t-score-elf, config/arm/t-strongarm-pe,
15456         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
15457         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
15458         Revert automatic dependency patch.
15459
15460 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15461
15462         PR target/35657
15463         * config/i386/i386.c (ix86_function_arg_boundary): Align
15464         decimal floating point to its natural boundary.
15465
15466 2008-03-27  Richard Guenther  <rguenther@suse.de>
15467
15468         PR middle-end/35716
15469         * fold-const.c (fold_comparison): Restrict distinct decl
15470         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
15471         solely rely on operand_equal_p.
15472
15473 2008-03-27  Richard Guenther  <rguenther@suse.de>
15474
15475         PR c/32511
15476         * c-common.c (handle_weak_attribute): Reject combination of
15477         weak and inline.
15478
15479 2008-03-27  Richard Guenther  <rguenther@suse.de>
15480
15481         PR tree-optimization/32810
15482         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
15483         conversions from DECL_INITIAL.
15484         (fold_const_aggregate_ref): Likewise from constructor elements.
15485
15486 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
15487
15488         * tree-affine.h (aff_combination_expand): Declare.
15489         (get_inner_reference_aff): Likewise.
15490         * tree-affine.c (aff_combination_expand): Split out from
15491         tree_to_aff_combination_expand.
15492         (get_inner_reference_aff): New function.
15493         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
15494         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
15495         (struct lim_aux_data): sm_done field removed.
15496         (mem_ref_loc_p, mem_ref_locs_p): New types.
15497         (struct mem_ref): Added id, stored, accesses_in_loop,
15498         indep_loop, dep_loop, indep_ref, dep_ref fields.
15499         Removed is_stored, locs and next fields.
15500         (memory_accesses): New variable.
15501         (movement_possibility): Do not allow moving statements
15502         that store to memory.
15503         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
15504         New functions.
15505         (determine_max_movement): For statements with memory references,
15506         find the outermost loop in that the reference is independent.
15507         (move_computations_stmt): Mark the virtual operands for renaming.
15508         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
15509         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
15510         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
15511         add_vop_ref_mapping, create_vop_ref_mapping_loop,
15512         create_vop_ref_mapping, analyze_memory_references,
15513         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
15514         get_all_locs_in_loop, ref_always_accessed_p,
15515         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
15516         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
15517         store_motion_loop, store_motion): New functions.
15518         (struct vop_to_refs_elt): New type.
15519         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
15520         memref_hash, memref_eq, hoist_memory_references): Rewritten.
15521         (schedule_sm): Replaced by...
15522         (execute_sm): ... this.
15523         (determine_lsm_ref, hoist_memory_references,
15524         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
15525         find_more_ref_vops, free_mem_ref, free_mem_refs,
15526         determine_lsm_loop, determine_lsm): Removed.
15527         (tree_ssa_lim_finalize): Free data structures used by store motion.
15528         (tree_ssa_lim): Call analyze_memory_references.  Use
15529         store_motion instead of determine_lsm.
15530
15531 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15532
15533         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
15534         rename tmake_file to m68hc11/t-m68hc11.
15535         (mcore): Set inhibit_libc to true.
15536         * config.host (alpha*-dec-*vms*): Set extra_programs.
15537         (interix3*): Don't use host_xmake_file.
15538         * configure.ac: Let config.gcc override inhibit_libc.
15539         * configure: Regenerate.
15540
15541         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
15542         * config/t-openbsd-thread: Remove commented out lines.
15543
15544         * config/x-interix: Remove.
15545
15546         * config/m68hc11/t-m68hc11-gas: Rename to...
15547         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
15548
15549         * config/mcore/t-mcore: Remove T_CFLAGS.
15550         * config/mcore/t-mcore-pe: Likewise.
15551
15552 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15553
15554         * configure.ac: Replace custom __GNU_SOURCE test with
15555         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
15556         * aclocal.m4: Regenerate.
15557         * configure: Regenerate.
15558         * config.in: Regenerate.
15559
15560 2008-03-27  Richard Guenther  <rguenther@suse.de>
15561
15562         * fold-const.c (target.h): Include.
15563         (fold_comparison): Fold comparison of addresses of decls
15564         that bind locally or of constants.  Consolidate address folding code.
15565         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
15566         results from fold_binary_to_constant.
15567         (compare_values_warnv): Likewise.
15568
15569 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
15570
15571         PR middle-end/35429
15572         * fold-const.c (fold_truthop): Check for integeral types when folding
15573         a == 0 && b == 0 and a != 0 || b != 0 .
15574
15575 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
15576
15577         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
15578
15579 2008-03-26  Andreas Schwab  <schwab@suse.de>
15580
15581         * doc/invoke.texi: Fix use of @item vs. @itemx.
15582
15583 2008-03-26  Tom Tromey  <tromey@redhat.com>
15584
15585         * Makefile.in (build/gensupport.o, build/print-rtl.o,
15586         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
15587         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
15588         build/gencodes.o, build/genconditions.o, build/genconfig.o,
15589         build/genconstants.o, build/genemit.o, build/genextract.o,
15590         build/genflags.o, build/genmddeps.o, build/genopinit.o,
15591         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
15592         options.h.
15593
15594 2008-03-26  Richard Guenther  <rguenther@suse.de>
15595
15596         Revert
15597         2008-03-26  Richard Guenther  <rguenther@suse.de>
15598
15599         * fold-const.c (target.h): Include.
15600         (fold_comparison): Fold comparison of addresses of two decls
15601         that bind locally.  Consolidate address folding code.
15602
15603 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15604
15605         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
15606         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
15607         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
15608         dconstsqrt2, dconstthird, dconste and/or dconst10.
15609         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
15610         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
15611         dconstsqrt2, dconste): Delete.
15612         (init_emit_once): Likewise.  Simplify initializing dconstm1.
15613         Constify variable.
15614         * real.c (get_real_const): New.
15615         * real.h (dconst3, dconst10, dconstm2, dconstthird,
15616         dconstsqrt2, dconste): Delete.
15617         (real_value_const, get_real_const): New.
15618
15619 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
15620
15621         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
15622
15623         * config/i386/i386.c (ix86_function_arg_boundary): Check
15624         BIGGEST_ALIGNMENT instead of 128.
15625         (setup_incoming_varargs_64): Likewise.
15626
15627 2008-03-26  Tom Tromey  <tromey@redhat.com>
15628
15629         * Makefile.in (DEPFILES): Add missing '/'.
15630
15631 2008-03-26  Richard Guenther  <rguenther@suse.de>
15632
15633         * fold-const.c (target.h): Include.
15634         (fold_comparison): Fold comparison of addresses of two decls
15635         that bind locally.  Consolidate address folding code.
15636
15637 2008-03-26  Nick Clifton  <nickc@redhat.com>
15638
15639         PR target/31232
15640         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
15641         not allow INT+INT as a legitimate addressing mode.
15642
15643 2008-03-26  Richard Guenther  <rguenther@suse.de>
15644
15645         * tree-flow.h (widen_bitfield): Remove declaration.
15646         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
15647         (widen_bitfield): Remove function.
15648         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
15649         code.
15650
15651 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15652
15653         PR target/31558
15654         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
15655         error_mark_node's.
15656
15657 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
15658
15659         PR rtl-optimization/35232
15660         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
15661         (forget_old_reloads_1, forget_marked_reloads): Don't clear
15662         reg_reloaded_call_part_clobbered here.
15663         (reload_regs_reach_end_p): New function.
15664         (reload_reg_rtx_for_input): New variable.
15665         (reload_reg_rtx_for_output): Likewise.
15666         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
15667         when reassigning a pseudo register.  Load reloadreg from
15668         reload_reg_rtx_for_input, moving the mode and register
15669         calculation to...
15670         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
15671         instead of the original when deciding whether an input reload
15672         would be a no-op or whether an output reload can be deleted.
15673         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
15674         when setting up new_spill_reg_store.  Load it from
15675         reload_reg_rtx_for_output, moving the mode and register
15676         calculation to...
15677         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
15678         instead of the original when deciding whether an output reload
15679         would be a no-op.  Do the same when modifying insn notes.
15680         Use rtx_equal_p instead of == to compare the registers.
15681         (inherit_piecemeal_p): Take a mode and two register numbers
15682         as argument.
15683         (emit_reload_insns): Clear new_spill_reg_store for every hard
15684         register in the reload register.  Remove spill registers
15685         from reg_reloaded_valid before considering whether to record
15686         inheritance information for them.  Use reload_reg_rtx_for_output
15687         instead of reg_rtx when recording output reloads.  Use
15688         reload_reg_rtx_for_input instead of reg_rtx when recording
15689         input reloads.  Set or clear reg_reloaded_call_part_clobbered
15690         at the same time as setting reg_reloaded_valid.
15691         (delete_output_reload): Add a new_reload_reg parameter and use it
15692         instead of rld[j].reg_rtx.
15693         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
15694         calls accordingly.
15695
15696 2008-03-25  Tom Tromey  <tromey@redhat.com>
15697
15698         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
15699         (build/genattr.o): Likewise.
15700         (build/genattrtab.o): Likewise.
15701         (build/gencodes.o): Likewise.
15702         (build/genconfig.o): Likewise.
15703         (build/genconstants.o): Likewise.
15704         (build/genemit.o): Likewise.
15705         (build/genextract.o): Likewise.
15706         (build/genflags.o): Likewise.
15707
15708 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
15709
15710         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
15711         instead of size_int for integer types.
15712         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
15713         to match type of MINUS_EXPR.
15714
15715 2008-03-25  Tom Tromey  <tromey@redhat.com>
15716
15717         * configure: Rebuilt.
15718         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
15719         Makefile.
15720
15721 2008-03-25  Tom Tromey  <tromey@redhat.com>
15722
15723         * config/x-solaris (host-solaris.o): Update.
15724         * config/x-linux (host-linux.o): Update.
15725         * config/x-hpux (host-hpux.o): Update.
15726         * config/x-darwin (host-darwin.o): Update.
15727         * config/v850/t-v850e (v850-c.o): Update.
15728         * config/v850/t-v850 (v850-c.o): Update.
15729         * config/t-vxworks (vxworks.o): Update.
15730         * config/t-sol2 (sol2-c.o, sol2.o): Update.
15731         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
15732         * config/spu/t-spu-elf (spu-c.o): Update.
15733         (spu.o): Remove.
15734         * config/sh/t-symbian (sh-c.o): Update.
15735         (symbian.o): Update.
15736         * config/sh/t-sh (sh-c.o): Update.
15737         * config/score/t-score-elf (score7.o, score3.o): Update.
15738         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
15739         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
15740         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
15741         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
15742         (rs6000.o): Remove.
15743         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15744         * config/m32c/t-m32c (m32c-pragma.o): Update.
15745         * config/ia64/t-ia64 (ia64-c.o): Update.
15746         * config/i386/x-mingw32 (host-mingw32.o): Update.
15747         * config/i386/x-i386 (driver-i386.o): Update.
15748         * config/i386/x-darwin (host-i386-darwin.o): Update.
15749         * config/i386/x-cygwin (host-cygwin.o): Update.
15750         * config/i386/t-nwld (nwld.o): Update.
15751         * config/i386/t-netware (netware.o): Update.
15752         * config/i386/t-interix (winnt.o): Update.
15753         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
15754         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
15755         msformat-c.o): Update.
15756         * config/bfin/t-bfin-linux (generated_files): Add
15757         linux-sysroot-suffix.h.
15758         * config/arm/t-wince-pe (pe.o): Update.
15759         * config/arm/t-strongarm-pe (pe.o): Update.
15760         * config/arm/t-pe (pe.o): Update.
15761         * config/arm/t-arm (arm-c.o): Update.
15762         * doc/install.texi (Prerequisites): Require make 3.80.
15763         * Makefile.in: Remove .o targets.
15764         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
15765         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
15766         (simple_generated_h, simple_generated_c): Move earlier.
15767         (generated_files): New variable.
15768         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
15769         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
15770         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
15771         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
15772         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
15773         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
15774         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
15775         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
15776         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
15777         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
15778         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
15779         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
15780         (.c.o): Remove.
15781         (COMPILE.base, COMPILE): New variables.
15782         (%.o): New pattern rule.
15783         (ALL_HOST_OBJS): New variable.
15784         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
15785         (dummy-checksum.o, cc1-checksum.o): Remove.
15786         (DRIVER_SHLIB): New variable.
15787         (DRIVER_DEFINES): Use it.
15788         (gencondmd.c): Move out of build/.
15789         (s-conditions): Update.
15790         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
15791         (ALL_BUILD_OBJS): Likewise.
15792         (build/%.o): Use BUILDCOMPILE.
15793         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
15794         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
15795         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
15796         build/gencheck.o, build/gencodes.o, build/genconditions.o,
15797         build/genconfig.o, build/genconstants.o, build/genemit.o,
15798         build/genextract.o, build/genflags.o, build/genmddeps.o,
15799         build/genopinit.o, build/genoutput.o, build/genpeep.o,
15800         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
15801         build/gen-protos.o, build/scan.o, build/fix-header.o,
15802         build/scan-decls.o): Simplify.
15803         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
15804         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
15805         prefix.o, toplev.o): Reduce to variable setting.
15806         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
15807         ($(out_object_file), gcc-options.o): New targets.
15808         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
15809         * configure: Rebuilt.
15810         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
15811         * doc/sourcebuild.texi (Front End Directory): Document new variable.
15812
15813 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
15814
15815         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
15816         complain when we hit an error, return ERROR_MARK_NODE.
15817
15818 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15819
15820         * config/sh/constraints.md (Pso, Psz): New constraints.
15821         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
15822         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
15823
15824 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15825
15826         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
15827         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
15828
15829 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15830
15831         * config/sh/sh.md (prefetch): Add condition for SH2A target.
15832         (prefetch_sh2a): New.
15833
15834 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15835             Naveen.H.S  <naveen.hs@kpitcummins.com>
15836
15837         * config/sh/constraints.md (I28): New constraint.
15838         * config/sh/sh.c (broken_move): Add support for movi20s.
15839         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
15840
15841 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
15842             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15843             Naveen.H.S  <naveen.hs@kpitcummins.com>
15844
15845         * config/sh/sh.c (SH_ATTRIBUTES): Define.
15846         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15847         (print_operand): Handle resbank in %@ operand code.
15848         (sh_encode_section_info): New.
15849         (push_regs): Add conditions for resbank.
15850         (sh_expand_epilogue): Likewise.
15851         (sh_insert_attributes): Likewise.
15852         (sh_attribute_table): Likewise.
15853         (sh_handle_resbank_handler_attribute): New.
15854         (sh2a_handle_function_vector_handler_attribute): New.
15855         (sh2a_is_function_vector_call): New.
15856         (sh2a_get_function_vector_number): New.
15857         (sh2a_function_vector_p): New.
15858         (sh_cfun_resbank_handler_p): New.
15859         * config/sh/sh.md (calli): Emit jsr/n if possible.
15860         (calli_tbr_rel): New.
15861         (calli_pcrel): Emit jsr/n if possible.
15862         (return_i): Emit rts/n if possible.
15863         (call_valuei_tbr_rel): New.
15864         (call_valuei_pcrel): Add condition for SH2A target.
15865         (call_value): Likewise.
15866         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
15867         (sh2a_get_function_vector_number): Likewise.
15868         (sh2a_is_function_vector_call): Likewise.
15869         * doc/extend.texi: Document TBR relative addressing of SH2A.
15870         (resbank): Add description for SH2A.
15871
15872 2008-03-24  Richard Guenther  <rguenther@suse.de>
15873
15874         PR c/22371
15875         * gimplify.c (gimplify_modify_expr): For frontend type-correct
15876         pointer assignments change conversions according to middle-end rules.
15877         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
15878         * configure.ac: Include type checking in yes.
15879         * configure: Regenerate.
15880
15881 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15882
15883         * diagnostic.c (diagnostic_count_diagnostic): Delete.
15884         (diagnostic_report_diagnostic): Update. Handle ICEs here.
15885
15886 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
15887
15888         * gthr-vxworks.h (UNUSED): Define.
15889
15890 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
15891
15892         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
15893
15894 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
15895
15896         * doc/extend.texi (Function Attributes): Add missing comma in the
15897         example of the "alloc_size" attribute.
15898
15899 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
15900
15901         Revert:
15902         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
15903
15904         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
15905         32bit host.
15906
15907         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
15908
15909         PR target/35496
15910         * stor-layout.c (update_alignment_for_field): Set minimum alignment
15911         of the underlying type of a MS bitfield layout to the natural
15912         alignment of the type.
15913
15914         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15915
15916         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15917         to their natural alignment to avoid store forwarding stalls.
15918
15919 2008-03-22  Richard Guenther  <rguenther@suse.de>
15920
15921         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
15922         For PHI nodes verify the address is invariant.
15923         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
15924         (get_symbol_constant_value): Use is_gimple_min_invariant.
15925         (maybe_fold_stmt_indirect): Likewise.
15926
15927 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
15928
15929         PR rtl-optimization/33927
15930         * Makefile.in (dse.o): Depend on $(TM_P_H).
15931         * expr.h (extract_low_bits): Declare.
15932         * expmed.c (extract_low_bits): New function.
15933         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
15934         * dse.c: Include tm_p.h.
15935         (find_shift_sequence): Remove the read_reg argument and return the
15936         read value.  Emit the instructions instead of returning them.
15937         Iterate on new_mode rather than calculating it each time.
15938         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
15939         source to NEW_MODE and extract_low_bits to convert the shifted
15940         value to READ_MODE.
15941         (replace_read): Allow the load and store to have different mode
15942         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
15943         or extraction instructions before trying the replacement.  Update
15944         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
15945
15946 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15947
15948         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15949         to their natural alignment to avoid store forwarding stalls.
15950
15951 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15952
15953         PR target/27946
15954         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
15955         encouraging but not allowing gprs for input;
15956         change the input constraint to !f#r.
15957         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
15958         gprs for output;
15959         change the output constraint to !f#r.
15960
15961 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
15962
15963         PR target/13958
15964         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
15965         corresponding post-reload splitters.
15966         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
15967         when x87 FP math is selected.
15968         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
15969         New function prototype.
15970         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
15971         unreachable function to ease macroization of insn patterns.
15972
15973 2008-03-21  Martin Jambor  <mjambor@suse.cz>
15974
15975         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
15976         reference dumps if ddr is NULL or dependence is unknown.
15977
15978 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15979
15980         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
15981         unsigned extension into account.
15982         (ATOMIC_COMPARE_AND_SWAP): Likewise.
15983         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
15984         Do computations on a scratch register.
15985
15986 2008-03-21  Richard Guenther  <rguenther@suse.de>
15987
15988         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
15989         Use is_gimple_min_invariant instead of TREE_INVARIANT.
15990         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
15991         * tree-ssa-dom.c (record_equality): Likewise.
15992         * tree-inline.c (copy_body_r): Likewise.
15993         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
15994         TREE_INVARIANT.
15995
15996 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15997
15998         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
15999         as 'delete_unused' argument.
16000
16001 2008-03-20  Richard Guenther  <rguenther@suse.de>
16002
16003         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
16004         special casing of constant qualifiers.
16005         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
16006         care about them in general.
16007         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
16008         regardless of their type.
16009         (fold_stmt_r): Forcefully fold *& if we end up with that.
16010
16011 2008-03-20  Paul Brook  <paul@codesourcery.com>
16012
16013         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
16014         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
16015         linker flags.
16016         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
16017         definition.
16018         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
16019         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
16020
16021 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
16022
16023         * common.opt (Wmudflap): New option.
16024         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
16025         (mx_register_decls): Likewise.
16026         (mudflap_finish_file): Likewise.
16027         * doc/invoke.texi: Document -Wno-mudflap.
16028
16029 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
16030
16031         * c-format.c (replace_format_name_to_system_name): New.
16032         (cmp_attribs): New.
16033         (convert_format_name_to_system_name): New.
16034         (decode_format_attr): Add use of convert_format_name_to_system_name.
16035         (format_types_orig): Add gnu_ prefix to names.
16036         (check_format_info_main): Special treating of \0 escaped names for
16037         supporting multi-character format specifiers as I32, I64.
16038         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
16039         (gnu_target_overrides_format_attributes): New.
16040         * c-format.h: Add structure target_ovr_attr to hold
16041         system specific formatter names.
16042         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
16043         msformat-c.o file to c_target_objs and cxx_target_objs.
16044         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16045         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
16046         (TARGET_N_FORMAT_TYPES): New.
16047         * config/i386/msformat-c.c: New.
16048         * config/i386/t-cygming: Add build rule for msformat-c.o.
16049         * doc/extend.texi: Add new format names gnu_* and ms_* and
16050         further details.
16051         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16052
16053 2008-03-20  Ira Rosen  <irar@il.ibm.com>
16054
16055         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
16056         optimizations turned on under -O3.
16057         (ftree-vectorize): Add that the flag is turned on with -O3.
16058
16059 2008-03-20  Ben Elliston  <bje@au.ibm.com>
16060
16061         * regmove.c (try_auto_increment): Fix spelling error in comment.
16062         * final.c (final_scan_insn): Likewise.
16063
16064 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
16065
16066         PR target/14552
16067         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
16068         allocator preferences for "y" and "r" class registers.
16069         ("*mov<mode>_internal"): Ditto.
16070         ("*movv2sf_internal_rex64"): Ditto.
16071         ("*movv2sf_internal"): Ditto.
16072
16073 2008-03-19  Michael Matz  <matz@suse.de>
16074
16075         PR middle-end/35616
16076         * calls.c (expand_call): Check overlap of arguments with call
16077         address for sibcalls.
16078
16079 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16080
16081         PR target/35496
16082         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16083         of the underlying type of a MS bitfield layout to the natural
16084         alignment of the type.
16085
16086 2008-03-19  Jan Hubicka  <jh@suse.cz>
16087
16088         PR other/35094
16089         * toplev.c (decode_d_option): Handle all CPP flags.
16090         * tree-vrp.c: Update tree_pass descriptors.
16091         * regrename.c: Update tree_pass descriptors.
16092         * fwprop.c: Update tree_pass descriptors.
16093         * doc/invoke.texi: Remove documentation of dropped -d? flags.
16094         * tree-into-ssa.c: Update tree_pass descriptors.
16095         * tree-dump.c: Update tree_pass descriptors.
16096         * tree-complex.c: Update tree_pass descriptors.
16097         * tree-dump.h: Update tree_pass descriptors.
16098         * see.c: Update tree_pass descriptors.
16099         * cgraphbuild.c: Update tree_pass descriptors.
16100         * tracer.c: Update tree_pass descriptors.
16101         * tree-loop-distribution.c: Update tree_pass descriptors.
16102         * cgraph.c: Update tree_pass descriptors.
16103         * postreload-gcse.c: Update tree_pass descriptors.
16104         * postreload.c: Update tree_pass descriptors.
16105         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
16106         * tree-tailcall.c: Update tree_pass descriptors.
16107         * tree-pass.h (tree_opt_pass): Rename to ...
16108         (opt_pass) ... this one; add "type" field and remove letter field.
16109         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
16110         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
16111         all_lowering_passes): Update declaration.
16112         * ipa-cp.c: Update tree_pass descriptors.
16113         * final.c: Update tree_pass descriptors.
16114         * omp-low.c: Update tree_pass descriptors.
16115         * tree-ssa-dse.c: Update tree_pass descriptors.
16116         * ipa-reference.c: Update tree_pass descriptors.
16117         * tree-ssa-uncprop.c: Update tree_pass descriptors.
16118         * auto-inc-dec.c: Update tree_pass descriptors.
16119         * reorg.c: Update tree_pass descriptors.
16120         * cgraphunit.c: Update tree_pass descriptors.
16121         * tree-ssa-copyrename.c: Update tree_pass descriptors.
16122         * tree-ssa-ccp.c: Update tree_pass descriptors.
16123         * df-core.c: Update tree_pass descriptors.
16124         * mode-switching.c: Update tree_pass descriptors.
16125         * tree-nomudflap.c: Update tree_pass descriptors.
16126         * modulo-sched.c: Update tree_pass descriptors.
16127         * ipa-pure-const.c: Update tree_pass descriptors.
16128         * cse.c: Update tree_pass descriptors.
16129         * web.c: Update tree_pass descriptors.
16130         * tree-stdarg.c: Update tree_pass descriptors.
16131         * tree-ssa-math-opts.c: Update tree_pass descriptors.
16132         * tree-ssa-dom.c: Update tree_pass descriptors.
16133         * tree-nrv.c: Update tree_pass descriptors.
16134         * tree-ssa-alias.c: Update tree_pass descriptors.
16135         * loop-init.c: Update tree_pass descriptors.
16136         * gimple-low.c: Update tree_pass descriptors.
16137         * ipa-inline.c: Update tree_pass descriptors.
16138         * tree-ssa-sink.c: Update tree_pass descriptors.
16139         * global.c: Update tree_pass descriptors.
16140         * ifcvt.c: Update tree_pass descriptors.
16141         * jump.c: Update tree_pass descriptors.
16142         * predict.c: Update tree_pass descriptors.
16143         * tree-ssa-loop.c: Update tree_pass descriptors.
16144         * recog.c: Update tree_pass descriptors.
16145         * dse.c: Update tree_pass descriptors.
16146         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
16147         * tree-eh.c: Update tree_pass descriptors.
16148         * regmove.c: Update tree_pass descriptors.
16149         * local-alloc.c
16150         * function.c: Update tree_pass descriptors.
16151         * tree-vectorizer.c: Update tree_pass descriptors.
16152         * gcse.c: Update tree_pass descriptors.
16153         * ipa-type-escape.c: Update tree_pass descriptors.
16154         * tree-if-conv.c: Update tree_pass descriptors.
16155         * init-regs.c: Update tree_pass descriptors.
16156         * ipa.c: Update tree_pass descriptors.
16157         * tree-ssa-phiopt.c: Update tree_pass descriptors.
16158         * rtl-factoring.c: Update tree_pass descriptors.
16159         * lower-subreg.c: Update tree_pass descriptors.
16160         * bt-load.c: Update tree_pass descriptors.
16161         * tree-dfa.c: Update tree_pass descriptors.
16162         * except.c: Update tree_pass descriptors.
16163         * emit-rtl.c: Update tree_pass descriptors.
16164         * cfgexpand.c: Update tree_pass descriptors.
16165         * tree-cfgcleanup.c: Update tree_pass descriptors.
16166         * cfgcleanup.c: Update tree_pass descriptors.
16167         * tree-ssa-pre.c: Update tree_pass descriptors.
16168         * tree-sra.c: Update tree_pass descriptors.
16169         * tree-mudflap.c: Update tree_pass descriptors.
16170         * tree-ssa-copy.c: Update tree_pass descriptors.
16171         * cfglayout.c: Update tree_pass descriptors.
16172         * tree-ssa-forwprop.c: Update tree_pass descriptors.
16173         * tree-ssa-dce.c: Update tree_pass descriptors.
16174         * tree-ssa.c: Update tree_pass descriptors.
16175         * regclass.c: Update tree_pass descriptors.
16176         * integrate.c: Update tree_pass descriptors.
16177         * tree-optimize.c: Update tree_pass descriptors.
16178         * tree-ssa-phiprop.c: Update tree_pass descriptors.
16179         * tree-object-size.c: Update tree_pass descriptors.
16180         * combine.c: Update tree_pass descriptors.
16181         * tree-outof-ssa.c: Update tree_pass descriptors.
16182         * bb-reorder.c: Update tree_pass descriptors.
16183         * stack-ptr-mod.c: Update tree_pass descriptors.
16184         * var-tracking.c: Update tree_pass descriptors.
16185         * tree-profile.c: Update tree_pass descriptors.
16186         * tree-vect-generic.c: Update tree_pass descriptors.
16187         * reg-stack.c: Update tree_pass descriptors.
16188         * sched-rgn.c: Update tree_pass descriptors.
16189         * tree-ssa-structalias.c: Update tree_pass descriptors.
16190         * tree-cfg.c: Update tree_pass descriptors.
16191         * passes.c (current_pass): Update declaration.
16192         (finish_optimization_passes): Update.
16193         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16194         (register_one_dump_file, register_dump_files_1, next_pass_1):
16195         Update arguments.
16196         (init_optimization_passes): Update handling of new types.
16197         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16198         * ipa-struct-reorg.c: Update tree_pass descriptors.
16199         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16200         * combine-stack-adj.c: Update tree_pass descriptors.
16201         * cfgrtl.c: Update tree_pass descriptors.
16202         * dce.c: Update tree_pass descriptors.
16203         * tree-ssanames.c: Update tree_pass descriptors.
16204
16205 2008-03-19  Richard Guenther  <rguenther@suse.de>
16206
16207         PR middle-end/35609
16208         * tree-ssa.c (walk_data): New structure.
16209         (warn_uninitialized_var): If not always_executed warn with "maybe"
16210         instead of "is".
16211         (execute_early_warn_uninitialized): Compute post-dominators.
16212         Initialize always_executed before processing each basic block.
16213
16214 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16215
16216         PR target/35504
16217         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16218         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16219
16220 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16221
16222         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16223
16224 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16225
16226         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16227         is true.
16228         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16229         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16230         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16231         target after ignore has been set, and move there also the commputation
16232         of subtarget and original_target.
16233         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16234         (LANG_HOOKS_INITIALIZER): Remove it.
16235         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16236
16237 2008-03-18  Richard Guenther  <rguenther@suse.de>
16238
16239         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16240         found an expression with constants, note that in the VN for the lhs.
16241         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16242         fold them to constants if possible.  Run cleanup_cfg if done so.
16243         (execute_pre): Return todo.
16244         (do_pre): Likewise.
16245         (execute_fre): Likewise.
16246         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16247         of constants.
16248         (get_prop_source_stmt): Look through pointer conversions.
16249
16250 2008-03-18  Jan Hubicka  <jh@suse.cz>
16251
16252         * tree-pretty-print.c: Include predict.h.
16253         (dump_generic_node): Dump predictor.
16254         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16255         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16256         * gimple-low.c (lower_stmt): Likewise.
16257         * expr.c (expand_expr_real): Likewise.
16258         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16259         them.
16260         (build_predict_expr, build_predict_expr): New.
16261         * predict.h (predictor_name, build_predict_expr): Update.
16262         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16263         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16264         * predict.def (PRED_CONTINUE): Update hitrate.
16265         * tree.def (PREDICT_EXPR): Define.
16266         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16267         do not handle BIND_EXPR.
16268         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16269         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16270         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16271         operands.
16272
16273 2008-03-18  Michael Matz  <matz@suse.de>
16274
16275         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16276
16277 2008-03-18  Richard Guenther  <rguenther@suse.de>
16278
16279         * tree-gimple.h (is_gimple_invariant_address): Declare.
16280         (is_gimple_constant): Likewise.
16281         * tree-gimple.c (is_gimple_constant): New function.
16282         (is_gimple_invariant_address): Likewise.
16283         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16284         and is_gimple_invariant_address.
16285         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16286         previous change.
16287         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16288         an addressable base.
16289
16290 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16291
16292         PR middle-end/35611
16293         * gimplify.c (gimplify_expr): Gimplify second operand of
16294         OMP_ATOMIC_LOAD.
16295
16296 2008-03-17  Richard Guenther  <rguenther@suse.de>
16297
16298         PR tree-optimization/19637
16299         * fold-const.c (fold_unary): Remove restrictions of removing
16300         intermediate pointer-conversions (P2)(P1)P0.
16301         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16302         conversion to void pointer.
16303         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16304
16305 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16306
16307         PR debug/31510
16308         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16309         emulated thread local variables.
16310
16311 2008-03-16  Richard Guenther  <rguenther@suse.de>
16312
16313         PR middle-end/35607
16314         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16315         expand TREE_INVARIANT operations that are not gimple invariant.
16316
16317 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16318
16319         * doc/extend.texi (Alignment): Say that the ABI controls
16320         the __alignof__ for non-strict-alignment targets rather
16321         than being a recommendation.
16322
16323 2008-03-15  Paul Brook  <paul@codesourcery.com>
16324
16325         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16326         annotations.
16327         (arm_output_fn_unwind): Mark functions that can not be unwound.
16328
16329 2008-03-15  Paul Brook  <paul@codesourcery.com>
16330
16331         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16332         extension instructions.
16333
16334 2008-03-15  Richard Guenther  <rguenther@suse.de>
16335
16336         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16337         and fold constant aggregate refs.
16338         (fold_const_aggregate_ref): Handle string constants
16339         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16340         (evaluate_stmt): Simplify now that ccp_fold folds constant
16341         aggregate refs.
16342
16343 2008-03-15  Paul Brook  <paul@codesourcery.com>
16344
16345         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16346         (extzv): Use gen_extzv_t2.
16347         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16348
16349 2008-03-15  Richard Guenther  <rguenther@suse.de>
16350
16351         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16352         (fold_const_aggregate_ref): Likewise.
16353         (get_value): Return NULL if we don't have any values.
16354         (ccp_finalize): Set const_val to NULL after freeing it.
16355         * tree-flow.h (get_symbol_constant_value): Declare.
16356         (fold_const_aggregate_ref): Likewise.
16357         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16358
16359 2008-03-15  Richard Guenther  <rguenther@suse.de>
16360
16361         PR middle-end/35593
16362         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16363         to not produce negative array indices if not allowed.  Add
16364         parameter to indicate that.
16365         (maybe_fold_offset_to_component_ref): Allow negative array
16366         indices only for the first member of a structure.
16367         (maybe_fold_offset_to_reference): Allow negative array indices.
16368         (maybe_fold_stmt_addition): Likewise.
16369
16370 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16371             Anatoly Sokolov <aesok@post.ru>
16372
16373         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16374         (avr_arch): Add ARCH_AVR6.
16375         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16376         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16377         instead of fixed value 2.
16378         (print_operand_address): Use gs() asm specifier instead of pm().
16379         (avr_assemble_integer): (Ditto.).
16380         (avr_output_addr_vec_elt): (Ditto.).
16381         (print_operand): Handle "!" code.
16382         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16383         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16384         (AVR_HAVE_EIJMP_EICALL): Define.
16385         (AVR_3_BYTE_PC): Redefine.
16386         (AVR_2_BYTE_PC): (Ditto.).
16387         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16388         (LINK_SPEC): Add atmega2560 and atmega2561.
16389         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16390         (crtm2561.o).
16391         * config/avr/avr.md (call_insn): Use eicall instead of icall
16392         for 3 byte PC devices.
16393         (call_value_insn): (Ditto.).
16394         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
16395         (indirect_jump): Use only for for 2 byte PC devices.
16396         (*tablejump): (Ditto.).
16397         (*indirect_jump_avr6): Add insn.
16398         (*tablejump_rjmp): Don't use for 3 byte PC devices.
16399         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
16400         instead of ijmp for 3 byte PC devices.
16401         (__tablejump2__): (Ditto.).
16402         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
16403         (MULITLIB_DIRNAMES): (Ditto.).
16404         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
16405
16406 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
16407
16408         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
16409         "sse2_umulsidi3".  Use V1DI mode for operand 0.
16410         ("mmx_psadbw"): Use V1DI mode for operand 0.
16411         * config/i386/i386-modes.def (V1SI): New vector mode.
16412         * config/i386/i386.c (struct builtin_description)
16413         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
16414         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
16415         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
16416         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
16417         v1di_ftype_v8qi_v8qi type.
16418         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
16419
16420         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
16421         __builtin_ia32_pmuludq]: Fix the mode of return value.
16422
16423 2008-03-15  Richard Guenther  <rguenther@suse.de>
16424
16425         PR middle-end/35595
16426         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
16427         being a PHI_NODE.
16428
16429 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
16430
16431         * doc/invoke.texi (Option Summary, Xtensa Options): Document
16432         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
16433         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
16434         unless TARGET_SERIALIZE_VOLATILE is enabled.
16435         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
16436         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
16437         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
16438
16439 2008-03-14  Richard Guenther  <rguenther@suse.de>
16440
16441         PR tree-optimization/34172
16442         * tree-flow.h (refs_may_alias_p): Declare.
16443         (get_single_def_stmt): Likewise.
16444         (get_single_def_stmt_from_phi): Likewise.
16445         (get_single_def_stmt_with_phi): Likewise.
16446         * tree-dfa.c (refs_may_alias_p): New function.
16447         (get_single_def_stmt): Likewise.
16448         (get_single_def_stmt_from_phi): Likewise.
16449         (get_single_def_stmt_with_phi): Likewise.
16450         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
16451         (vn_reference_lookup_1): New helper function.
16452         (vn_reference_lookup): Walk the virtual use-def chain to
16453         continue searching for a match if the def does not alias the
16454         reference we are looking for.
16455
16456 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
16457
16458         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
16459         archive and Perzl.  Update The Written Word listing.
16460
16461 2008-03-14  Richard Guenther  <rguenther@suse.de>
16462
16463         PR tree-optimization/34043
16464         PR tree-optimization/33989
16465         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
16466         when doing FRE.
16467         (bitmap_find_leader): Use extra argument to verify dominance
16468         relationship inside a basic-block.
16469         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
16470         (find_leader_in_sets): Adjust.
16471         (create_component_ref_by_pieces): Take extra argument for
16472         dominance check, handle lookup failures.
16473         (find_or_generate_expression): Likewise.
16474         (create_expression_by_pieces): Likewise.
16475         (insert_into_preds_of_block): Adjust.
16476         (create_value_expr_from): If asked for, verify all operands
16477         are in the blocks AVAIL_OUT set.
16478         (make_values_for_stmt): Check for SSA_NAMEs that are life
16479         over an abnormal edge.
16480         (compute_avail): Remove such check.
16481         (do_SCCVN_insertion): New function.
16482         (eliminate): If we do not find a leader suitable for replacement
16483         insert a replacement expression from SCCVN if available.
16484         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
16485         (struct vn_ssa_aux): Add needs_insertion flag.
16486         * tree-ssa-sccvn.c (may_insert): New global flag.
16487         (copy_reference_ops_from_ref): Value-number union member access
16488         based on its size, not type and member if insertion is allowed.
16489         (visit_reference_op_load): For a weak match from union type
16490         punning lookup a view-converted value and insert a SSA_NAME
16491         for that value if that is not found.
16492         (visit_use): Make dumps shorter.  Do not disallow value numbering
16493         SSA_NAMEs that are life over an abnormal edge to constants.
16494         (free_scc_vn): Release inserted SSA_NAMEs.
16495         (run_scc_vn): New flag to specify whether insertion is allowed.
16496         Process SSA_NAMEs in forward order.
16497         * tree-ssa-loop-im.c (for_each_index): Handle invariant
16498         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
16499         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
16500         pointer type to/from integral types that do not change the
16501         precision to regular conversions.
16502
16503 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16504
16505         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16506         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16507         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
16508         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
16509         input arguments and the mode of return value.  Built-in functions
16510         that operate on whole 64-bit MMX register now use V1DI mode.
16511
16512 2008-03-13  Alon Dayan  <alond@il.ibm.com>
16513             Olga Golovanevsky  <olga@il.ibm.com>
16514
16515         PR tree-optimization/35041
16516         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
16517         to locate the right position in a statement.
16518
16519 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16520
16521         PR target/34000
16522         PR target/35553
16523         * config/i386/xmmintrin.h:  Change all static inline functions to
16524         extern inline and add __gnu_inline__ attribute.
16525         * config/i386/bmintrin.h: Ditto.
16526         * config/i386/smmintrin.h: Ditto.
16527         * config/i386/tmmintrin.h: Ditto.
16528         * config/i386/mmintrin-common.h: Ditto.
16529         * config/i386/ammintrin.h: Ditto.
16530         * config/i386/emmintrin.h: Ditto.
16531         * config/i386/pmmintrin.h: Ditto.
16532         * config/i386/mmintrin.h: Ditto.
16533         * config/i386/mm3dnow.h: Ditto.
16534
16535 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
16536
16537         PR middle-end/35185
16538         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
16539         (lower_omp_2): New function.
16540         (lower_omp_1, lower_omp): Rewritten.
16541
16542 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
16543
16544         PR 35054
16545         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
16546         with the phrase "Microsoft Windows compilers".
16547         (Push/Pop Macro Pragmas): New subsection. Document
16548         #pragma push_macro and pragma pop_macro.
16549
16550 2008-03-12  Paul Brook  <paul@codesourcery.com>
16551
16552         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
16553
16554 2008-03-12  Paul Brook  <paul@codesourcery.com>
16555
16556         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
16557         (thumb2_alusi3_short): Exclude PLUS and MINUS.
16558         (thumb2_addsi_shortim): Rename ...
16559         (thumb2_addsi_short): ... to this.  Allow register operands.
16560         (thumb2_subsi_short): New pattern.
16561         (thumb2_one_cmplsi2_short,
16562         thumb2_negsi2_short): New patterns and peepholes.
16563
16564 2008-03-12  Paul Brook  <paul@codesourcery.com>
16565
16566         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
16567
16568 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
16569
16570         * config/i386/i386.md (int_cond): New code iterator.
16571         (fp_cond): Ditto.
16572         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
16573         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
16574         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
16575         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
16576         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
16577         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
16578         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
16579         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
16580
16581 2008-03-12  Paul Brook  <paul@codesourcery.com>
16582
16583         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
16584         instead of {arm,thumb}_compute_save_reg_mask.
16585         (output_return_instruction): Ditto.
16586         (thumb_unexpanded_epilogue): Ditto.
16587         (thumb1_expand_prologue): Ditto.
16588         (thumb1_output_function_prologue): Ditto.
16589         (arm_set_return_address): Ditto.
16590         (thumb_set_return_address): Ditto.
16591         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
16592         regs to achieve stack alignment.
16593         (thumb1_compute_save_reg_mask): Fix compiler warning.
16594         (arm_output_epilogue): Use offsets->saved_regs_mask.
16595         Adjust stack pointer by poping call clobered registers.
16596         (arm_expand_prologue): Use offsets->saved_regs_mask.
16597         Adjust stack pointer by pushing extra registers.
16598         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
16599
16600 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
16601
16602         PR tree-opt/35422
16603         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
16604         conversion to the operands of a multiplication.
16605
16606 2008-03-12  Richard Guenther  <rguenther@suse.de>
16607
16608         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
16609         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
16610         * timevar.def (TV_TREE_PHIPROP): Add.
16611         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
16612         pass description.  Use TV_TREE_PHIPROP.
16613         * tree-ssa-forwprop.c: Remove phiprop code.
16614
16615 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
16616
16617         PR middle-end/35549
16618         * omp-low.c (maybe_lookup_decl): Constify first argument.
16619         (use_pointer_for_field): Change last argument from bool to
16620         omp_context *.  Disallow shared copy-in/out in nested
16621         parallel if decl is shared in outer parallel too.
16622         (build_outer_var_ref, scan_sharing_clauses,
16623         lower_rec_input_clauses, lower_copyprivate_clauses,
16624         lower_send_clauses, lower_send_shared_vars): Adjust callers.
16625
16626 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
16627             Ira Rosen  <irar@il.ibm.com>
16628
16629         * tree-vectorizer.c (free_stmt_vec_info): New function.
16630         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
16631         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
16632         * tree-vectorizer.h (free_stmt_vec_info): Declare.
16633         * tree-vect-transform.c (vectorizable_conversion): Free
16634         vec_oprnds0 if it was allocated.
16635         (vect_permute_store_chain): Remove unused VECs.
16636         (vectorizable_store): Free VECs that are allocated in the..
16637         function.
16638         (vect_transform_strided_load, vectorizable_load): Likewise.
16639         (vect_remove_stores): Simplify the code.
16640         (vect_transform_loop): Move code to vect_remove_stores().
16641         Call vect_remove_stores() and free_stmt_vec_info().
16642
16643 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16644
16645         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
16646         TARGET_HPUX.  Revise comment.
16647         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
16648         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
16649         Use sr4 variant of `be' instruction when not generating PIC code.
16650         (attr_length_call): Adjust for above change.
16651
16652 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16653
16654         * ipa-reference.c (static_execute): Remove module_statics_const and
16655         associated setting code.
16656
16657 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16658
16659         PR target/35540
16660         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
16661         predicate for operand 1.
16662         (paritysi2_cmp): Use register_operand predicate for operand 2.
16663         Use earlyclobber modifier for operand 1.  Remove support for
16664         memory operands.
16665         (paritydi2_cmp): Use register_operand predicate for operand 3.
16666         Use earlyclobber modifier for operand 1.  Remove support for
16667         memory operands.
16668
16669 2008-03-11  Paul Brook  <paul@codesourcery.com>
16670             Vladimir Prus  <vladimir@codesourcery.com>
16671
16672         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
16673         (arm_compute_save_reg0_reg12_mask): Always
16674         check if register 11 must be saved.  Always safe hard frame pointer
16675         when frame_pointer_needeed.
16676         (arm_compute_save_reg_mask): Save IP and PC
16677         only with apcs frames.
16678         (arm_output_epilogue): Adjust Thumb2 codepath to
16679         be also invoked and work for ARM non-apcs frames.
16680         (arm_expand_prologue): Don't bother saving IP
16681         for non-apcs frame, since it's not clobbered by
16682         prologue code.  Implement non-apcs frame
16683         layout.
16684
16685 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16686
16687         PR rtl-optimization/35281
16688         * expr.c (convert_move): Use a new pseudo for the intermediate
16689         from_mode->word_mode result.
16690
16691 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16692
16693         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
16694         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
16695         * toplev.c (compile_file): Don't call it.
16696
16697 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16698
16699         PR middle-end/35526
16700         * expr.c (store_expr): Call emit_block_move if the mode
16701         of "temp" RTX is BLKmode.
16702
16703 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16704             Richard Guenther  <rguenther@suse.de>
16705
16706         PR tree-optimization/31358
16707         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
16708         the step with a NULL_TREE.
16709         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
16710         to sizetype if type is a pointer type.
16711         (add_candidate_1): Don't convert the base and step to
16712         the generic type if the orginal type is a pointer type.
16713         (add_iv_value_candidates): Use sizetype for the step
16714         if type is a pointer type.
16715         (cand_value_at): Likewise.
16716         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
16717         for pointer types.
16718         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
16719         Don't convert the tem affine to the type.
16720         (add_elt_to_tree): Use sizetype for the step if a pointer.
16721         Use POINTER_PLUS_EXPR for pointers.
16722         (aff_combination_to_tree): Use sizetype for the step if a
16723         pointer.
16724
16725 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
16726
16727         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
16728         Remove commutativity hint.
16729
16730 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
16731
16732         PR c/35438
16733         PR c/35439
16734         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
16735         errorneous type.  Check that v is a VAR_DECL.
16736
16737         PR middle-end/35099
16738         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
16739
16740 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
16741
16742         PR tree-optimization/35494
16743         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
16744         may be overriden at link and run time.
16745
16746 2008-03-10  Richard Guenther  <rguenther@suse.de>
16747
16748         PR tree-optimization/34677
16749         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
16750         (poolify_tree): Likewise.
16751         (modify_expr_template): Likewise.
16752         (poolify_modify_stmt): Likewise.
16753         (insert_fake_stores): Handle all component-ref style stores
16754         in addition to INDIRECT_REF.  Also handle complex types.
16755         Do not poolify the inserted load.
16756         (realify_fake_stores): Do not rebuild the tree but only
16757         make it a SSA_NAME copy.
16758         (init_pre): Remove initialzation of modify_expr_template.
16759         Do not allocate modify_expr_node_pool.
16760         (fini_pre): Do not free modify_expr_node_pool.
16761
16762 2008-03-10  Paul Brook  <paul@codesourcery.com>
16763
16764         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
16765         to avoid conflicts.
16766
16767 2008-03-10  Paul Brook  <paul@codesourcery.com>
16768             Mark Shinwell  <shinwell@codesourcery.com>
16769
16770         * config/arm/cortex-r4.md: New.
16771         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
16772         insn attributes.
16773         * config/arm/arm.md: Include cortex-r4.md.
16774         (insn): Add smmls, sdiv and udiv values.
16775         (generic_sched): Don't use generic scheduling for Cortex-R4.
16776         (arm_issue_rate): New function.
16777         (TARGET_SCHED_ISSUE_RATE): Define.
16778
16779 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
16780
16781         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
16782
16783 2008-03-10  Richard Guenther  <rguenther@suse.de>
16784
16785         * tree-ssa-pre.c (get_sccvn_value): Simplify.
16786         (compute_avail): Do not add stmt uses to AVAIL_OUT.
16787
16788 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
16789
16790         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
16791         Set default to true.
16792
16793 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16794
16795         * c.opt (Wsynth): Deprecate.
16796         * doc/invoke.texi (Option Summary, Warning Options): Document
16797         -Wno-format-contains-nul.
16798
16799 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
16800
16801         PR target/35496
16802         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
16803         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
16804
16805 2008-03-09  Ira Rosen  <irar@il.ibm.com>
16806
16807         * config/rs6000/rs6000.c (builtin_description): Rename vector
16808         left shift operations.
16809         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
16810         (altivec_vsl<VI_char>): Rename to ...
16811         (ashl<mode>3): ... new name.
16812         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
16813         gen_ashlv4si3.
16814         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
16815
16816 2008-03-08  Richard Guenther  <rguenther@suse.de>
16817
16818         * coverage.h (tree_coverage_counter_addr): Declare.
16819         * coverage.c (tree_coverage_counter_addr): New function.
16820         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
16821         before using again.
16822         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
16823         (tree_gen_one_value_profiler): Likewise.
16824         (tree_gen_ic_profiler): Likewise.
16825         (tree_gen_average_profiler): Likewise.
16826         (tree_gen_ior_profiler): Likewise.
16827
16828 2008-03-08  Richard Guenther  <rguenther@suse.de>
16829
16830         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
16831         (vn_binary_op_insert): Likewise.
16832         (vn_unary_op_lookup): Likewise.
16833         (vn_unary_op_insert): Likewise.
16834         (vn_nary_op_lookup): Declare.
16835         (vn_nary_op_insert): Likewise.
16836         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
16837         and binary hashes, use a single obstack for unary_op_pool
16838         and binary_op_pool.
16839         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
16840         a single struct vn_nary_op_s.  Store tree code length and
16841         a variable number of operands.
16842         (struct vn_reference_op_struct): Remove unused op2.
16843         (vn_reference_op_eq): Do not compare op2.
16844         (vn_reference_op_compute_hash): Do not compute hash of op2.
16845         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
16846         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
16847         with vn_nary_op_compute_hash.
16848         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
16849         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
16850         vn_nary_op_lookup.
16851         (vn_unary_op_insert, vn_binary_op_insert): Replace with
16852         vn_nary_op_insert.
16853         (visit_unary_op): Call nary functions.
16854         (visit_binary_op): Likewise.
16855         (process_scc): Adjust for struct vn_tables_s changes.
16856         (allocate_vn_table): Likewise.
16857         (free_vn_table): Likewise.
16858         * tree-vn.c (vn_add): Call nary functions.
16859         (vn_lookup): Likewise.
16860
16861 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
16862
16863         PR target/35498
16864         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
16865         wdst back after sync_compare_and_swapqhi_internal.
16866
16867 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
16868
16869         PR target/22152
16870         * config/i386/i386-modes.def (V1DI): New vector mode.
16871         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
16872         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
16873         (MMXMODE248): Ditto.
16874         (MMXMODE): Add V1DI mode.
16875         (mmxvecsize): Change DI mode to V1DI mode.
16876         ("mov<mode>): Use MMXMODEI8 mode iterator.
16877         ("*mov<mode>_internal_rex64"): Ditto.
16878         ("*mov<mode>_internal"): Ditto.
16879         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
16880         ("mmx_sub<mode>3"): Ditto.
16881         ("mmx_adddi3"): Remove insn pattern.
16882         ("mmx_subdi3"): Ditto.
16883         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
16884         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
16885         ("mmx_ashl<mode>3"): Ditto.
16886         ("mmx_lshrdi3"): Remove insn pattern.
16887         ("mmx_ashldi3"): Ditto.
16888         * config/i386/i386.c (classify_argument): Handle V1DImode.
16889         (function_arg_advance_32): Ditto.
16890         (function_arg_32): Ditto.
16891         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
16892         mmx_addv1di3 insn pattern.
16893         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
16894         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
16895         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
16896         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
16897         Remove definitions of built-in functions.
16898         (V1DI_type_node): New node.
16899         (v1di_ftype_v1di_int): Ditto.
16900         (v1di_ftype_v1di_v1di): Ditto.
16901         (v2si_ftype_v2si_si): Ditto.
16902         (v4hi_ftype_v4hi_di): Remove node.
16903         (v2si_ftype_v2si_di): Ditto.
16904         (ix86_init_mmx_sse_builtins): Handle V1DImode.
16905         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
16906         Redefine builtins using def_builtin_const with *_ftype_*_int node.
16907         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
16908         Add new builtins using def_builtin_const.
16909         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
16910         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
16911         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
16912         * config/i386/mmintrin.h (__v1di): New typedef.
16913         (_mm_add_si64): Cast arguments to __v1di type.
16914         (_mm_sub_si64): Ditto.
16915         (_mm_sll_pi16): Cast __count to __v4hi type.
16916         (_mm_sll_pi32): Cast __count to __v2si type.
16917         (_mm_sll_si64): Cast arguments to __v1di type.
16918         (_mm_srl_pi16): Cast __count to __v4hi type.
16919         (_mm_srl_pi32): Cast __count to __v2si type.
16920         (_mm_srl_si64): Cast arguments to __v1di type.
16921         (_mm_sra_pi16): Cast __count to __v4hi type.
16922         (_mm_sra_pi32): Cast __count to __v2si type.
16923         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
16924         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
16925         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
16926         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
16927         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
16928         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
16929         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
16930         (_mm_srai_pi32): Use __builtin_ia32_psradi.
16931         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
16932         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16933         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16934         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
16935
16936 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
16937
16938         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
16939
16940 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
16941
16942         PR target/35373
16943         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
16944         reg+const addressing for Altivec modes.  Don't generate reg+reg
16945         addressing for TFmode or TDmode quantities.
16946
16947 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
16948
16949         * c-common.c (vector_types_convertible_p): Call langhook
16950         instead of comptypes.
16951
16952 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16953
16954         PR tree-opt/35402
16955         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
16956         integral and scalar float variables which have a
16957         NULL DECL_INITIAL.
16958
16959 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
16960
16961         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
16962         dwarf_register_span hook when emitting unwind information for
16963         register-to-memory saves.
16964         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
16965         (rs6000_frame_related): Remove call to spe_synthesize_frame.
16966
16967 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
16968
16969         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
16970         for the same VAR_DECL.
16971
16972 2008-03-06  Tom Tromey  <tromey@redhat.com>
16973
16974         * treelang: Delete.
16975         * doc/standards.texi (Standards): Don't mention treelang.
16976         * doc/invoke.texi (Overall Options): Don't mention treelang.
16977         * doc/install.texi (Prerequisites): Don't mention bison or
16978         treelang.
16979         (Configuration): Don't mention treelang.
16980         (Building): Likewise.
16981         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
16982
16983 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
16984
16985         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
16986         word-extractions out of a multi-word object.
16987
16988 2008-03-06  Richard Guenther  <rguenther@suse.de>
16989
16990         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
16991         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
16992         result type and precision.
16993         * expr.c (get_inner_reference): Set unsignedp based on the result
16994         type of BIT_FIELD_REF.
16995         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
16996         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
16997         (try_instantiate_multiple_fields): Likewise.  Use the correct type
16998         for BIT_FIELD_REF.
16999         (sra_build_assignment): Likewise.
17000         (sra_build_elt_assignment): Likewise.
17001         (sra_explode_bitfield_assignment): Likewise.
17002         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
17003         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
17004         set BIT_FIELD_REF_UNSIGNED.
17005         (vectorizable_load): Likewise.
17006
17007 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
17008
17009         * cse.c (cse_extended_basic_block): Invalidate artificial defs
17010         at bb start.
17011
17012 2008-03-06  Richard Guenther  <rguenther@suse.de>
17013
17014         * alias.c (struct alias_set_entry): Move has_zero_child field
17015         to pack with alias_set.
17016
17017 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17018
17019         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17020         32bit host.
17021
17022 2008-03-05  Ian Lance Taylor  <iant@google.com>
17023
17024         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
17025
17026 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
17027
17028         * fwprop.c (update_df): Support width and offset parameters of
17029         df_ref_create.
17030         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
17031         global_conflicts): Change DF_REF_EXTRACT to either
17032         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17033         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17034         * df-scan.c (df_ref_record, df_defs_record,
17035         df_ref_create_structure, df_def_record_1, df_uses_record,
17036         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
17037         df_bb_refs_collect, df_entry_block_defs_collect,
17038         df_exit_block_uses_collect): Support new width and offset fields.
17039         (ref_extract_pool): New storage pool.
17040         (df_free_ref): New function.
17041         (df_reg_chain_unlink, df_free_collection_rec,
17042         df_sort_and_compress_refs): Call df_free_ref.
17043         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
17044         of df_ref_extract.
17045         (df_ref_create_structure): Allocate df_ref_extract if offset and
17046         width fields are used.
17047         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
17048         (df_uses_record): Get offset and width from ZERO_EXTRACT
17049         and SIGN_EXTRACT.
17050         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
17051         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17052         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17053         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
17054         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17055         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17056         (df_ref_extract): New structure.
17057         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
17058         (df_ref_create): Add width and offset parameters.
17059
17060 2008-03-05  Richard Guenther  <rguenther@suse.de>
17061
17062         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17063         Use ranges_overlap_p.
17064         (offset_overlaps_with_access): Rename
17065         to ranges_overlap_p and move ...
17066         * tree-flow-inline.h (ranges_overlap_p): ... here.
17067
17068         * tree.h (get_inner_reference, handled_component_p): Update
17069         comments.
17070
17071         * tree.h (record_component_aliases, get_alias_set,
17072         alias_sets_conflict_p, alias_sets_must_conflict_p,
17073         objects_must_conflict_p): Move declarations ...
17074         * alias.h (record_component_aliases, get_alias_set,
17075         alias_sets_conflict_p, alias_sets_must_conflict_p,
17076         objects_must_conflict_p): ... here.
17077         Include coretypes.h.
17078         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
17079
17080 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
17081
17082         * cfg.c: Include tree-flow.h.
17083         (remove_edge_raw): Call redirect_edge_var_map_clear.
17084         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
17085         * tree-flow-inline.h (redirect_edge_var_map_def): New.
17086         (redirect_edge_var_map_result): New.
17087         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
17088         PENDING_STMT use with redirect_edge_var_map_*.
17089         * tree-ssa.c (edge_var_maps): New definition.
17090         (redirect_edge_var_map_add): New.
17091         (redirect_edge_var_map_clear): New.
17092         (redirect_edge_var_map_dup): New.
17093         (redirect_edge_var_map_vector): New.
17094         (redirect_edge_var_map_destroy): New.
17095         (ssa_redirect_edge): Replace PENDING_STMT use with
17096         redirect_edge_var_map_*.
17097         (flush_pending_stmts): Same.
17098         (delete_tree_ssa): Destroy edge var map.
17099         * tree-flow.h (struct _edge_var_map): New.
17100         Define edge_var_map vector type.
17101         Declare redirect_edge_var_map_* prototypes.
17102         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
17103         * tree-cfg.c (reinstall_phi_args): Replace
17104         PENDING_STMT use with redirect_edge_var_map_*.
17105
17106 2008-03-05  Richard Guenther  <rguenther@suse.de>
17107
17108         PR tree-optimization/35472
17109         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
17110         whose single use_stmt has a overlapping set of loaded and
17111         stored symbols as that use_stmt might be a noop assignment then.
17112
17113 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
17114
17115         * gthr-rtems.h: Implement __gthread_mutex_destroy.
17116
17117 2008-03-05  Richard Guenther  <rguenther@suse.de>
17118
17119         PR c++/35336
17120         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
17121         should be constants.
17122         * tree-cfg.c (verify_expr): Verify it.
17123         * fold-const.c (fold_truthop): Remove code generating
17124         BIT_FIELD_REFs of structure bases.
17125         (fold_binary): Likewise.
17126         (fold_ternary): Position and size of BIT_FIELD_REFs are
17127         always host integers.
17128         (make_bit_field_ref): Remove.
17129         (optimize_bit_field_compare): Remove.
17130         (all_ones_mask_p): Remove.
17131
17132 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
17133
17134         PR gcc/33009
17135         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
17136         (split_block_and_df_analyze): New. Split basic block and rebuild
17137         dataflow.
17138         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
17139         SPLIT_BLOCK.
17140         (split_pattern_seq): Likewise.
17141         (erase_matching_seqs): Likewise.
17142         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
17143
17144 2008-03-04  Geoff Keating  <geoffk@apple.com>
17145
17146         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
17147         declaration and code.
17148         (tree_invalid_nonnegative_warnv_p): Likewise.
17149
17150 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
17151
17152         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
17153         examples.  Truncate option-names then causing overfull hbox.
17154
17155 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17156
17157         PR target/35222
17158         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
17159         on hpux10.
17160         * configure: Rebuilt.
17161
17162 2008-03-04  Rafael Espindola  <espindola@google.com>
17163
17164         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
17165         (tree_unary_nonnegative_warnv_p): New.
17166         (tree_binary_nonnegative_warnv_p): New.
17167         (tree_single_nonnegative_warnv_p): New.
17168         (tree_invalid_nonnegative_warnv_p): New.
17169         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
17170
17171 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17172
17173         PR 28322
17174         * opts.c (handle_option): Postpone 'unknown option' errors only for
17175         warning options.
17176
17177 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
17178
17179         PR target/35453
17180         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
17181         (_SIDD_XXX): This.
17182
17183 2008-03-04  Rafael Espindola  <espindola@google.com>
17184
17185         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17186         (tree_binary_nonzero_warnv_p): New.
17187         (tree_single_nonzero_warnv_p): New.
17188         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17189
17190 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17191
17192         PR middle-end/35456
17193         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17194         transformations for modes that have signed zeros.
17195         * ifcvt.c (noce_try_abs): Ditto.
17196
17197 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17198
17199         * config/i386/i386.c (override_options): Force
17200         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17201
17202 2008-03-04  Jan Hubicka  <jh@suse.cz>
17203
17204         PR c++/35262
17205         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17206         in last commit.
17207
17208 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17209
17210         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17211         label to probe the stack.
17212
17213 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17214
17215         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17216         (__gthr_win32_mutex_destroy): Declare.
17217         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17218         __gthr_win32_mutex_destroy.
17219         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17220
17221 2008-03-03  Jan Hubicka  <jh@suse.cz>
17222
17223         PR c++/35262
17224         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17225         aggressive on inlining cold calls.
17226
17227 2008-03-03  Richard Guenther  <rguenther@suse.de>
17228
17229         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17230         struct copies into the expression table.
17231         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17232         (try_to_simplify): Likewise.
17233         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17234         integral and pointer arguments which do not change the
17235         precision to NOP_EXPRs.
17236         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17237         VIEW_CONVERT_EXPR case.
17238
17239 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17240
17241         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17242         defined in a loop at depth 0 is invariant.
17243         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17244         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17245         be called at loop depth 0.
17246
17247 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17248
17249         PR driver/35420
17250         * gcc.c (process_command): Update copyright notice dates.
17251         * gcov.c (print_version): Likewise.
17252         * gcov-dump.c (print_version): Likewise.
17253         * mips-tfile.c (main): Likewise.
17254         * mips-tdump.c (main): Likewise.
17255
17256 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17257
17258         PR 24924
17259         * c-common.c (flag_permissive): Delete.
17260         (constant_expression_warnings): Check flags first.
17261         (constant_expression_error): New.
17262         * c-common.h (flag_permissive): Delete.
17263         (constant_expression_error): Declare.
17264         * flags.h (flag_permissive): Declare. Update description.
17265         * diagnostic.c (pedwarn): Update.
17266         (permerror): New.
17267         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17268         (permissive_error_kind): New.
17269         * toplev.c (flag_permissive): Define. Update description.
17270         * toplev.h (permissive_error_kind): Declare.
17271         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17272         (pedwarn_c90): Use pedantic_warning_kind.
17273         * c-opts.c (c_common_post_options): flag_permissive does not affect
17274         flag_pedantic_errors.
17275
17276 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17277
17278         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17279         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17280         __absvsi2, __absvDI2): Use unsigned arithmetic.
17281
17282 2008-03-02  Andi Kleen  <ak@suse.de>
17283             Richard Guenther  <rguenther@suse.de>
17284
17285         * struct-equiv.c: Remove file.
17286         * cfg_cleanup.c (condjump_equiv_p): Remove.
17287         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17288         (struct-equiv.o): Remove rule.
17289         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17290         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17291         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17292
17293 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17294
17295         * ifcvt.c (noce_process_if_block): Try to handle only the then
17296         block if the else block exists but isn't suitable.
17297
17298 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17299
17300         PR gcc/35063
17301         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17302         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17303         regression from previous patch.
17304
17305 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17306
17307         PR gcc/35063
17308         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17309         implemented.
17310         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17311         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17312         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17313         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17314         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17315         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17316         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17317         (__gthread_mutex_destroy_function): Rename to
17318         __gthread_mutex_destroy.
17319         * gthr-dce.h (__gthread_mutex_destroy): Call
17320         pthread_mutex_destroy.
17321         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17322         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17323         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17324
17325 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17326
17327         * df-scan.c (df_ref_chain_change_bb): Simplify.
17328         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17329         set_block_for_insn if there's any change.
17330         * df.h ((df_insn_change_bb): Fix prototype.
17331         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17332         df_insn_change_bb, don't call set_block_for_insn.
17333         * emit-rtl.c (reorder_insns): Likewise.
17334         * haifa-sched.c (move_insn): Likewise.
17335
17336 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17337
17338         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17339
17340 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17341
17342         * tree-flow-inline.h (next_readonly_imm_use): Return
17343         NULL_USE_OPERAND_P after the end.
17344
17345 2008-03-01  Richard Guenther  <rguenther@suse.de>
17346
17347         PR tree-optimization/35411
17348         * tree-sra.c (sra_build_assignment): Split conversion to
17349         final type to a separate statement if we are not assigning
17350         to a register.
17351
17352 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17353
17354         * fold-const.c (fold_convertible_p): Correct the logic to follow
17355         that in fold_convert().
17356
17357 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17358
17359         PR c++/35315
17360         * tree-inline.c (build_duplicate_type): When we make a
17361         duplicate type, make it unique in the canonical types system.
17362
17363 2008-02-29  Tom Tromey  <tromey@redhat.com>
17364
17365         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17366         input_file_stack_history, input_file_stack_restored): Remove.
17367         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17368         * input.h (struct file_stack): Remove.
17369         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17370         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17371         Likewise.
17372         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17373         type.
17374         (diagnostic_last_module_changed): Add 'map' argument.
17375         (diagnostic_set_last_function): Likewise.
17376         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17377         line map, not input_file_stack.
17378         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17379
17380 2008-02-29  Paul Brook  <paul@codesourcery.com>
17381
17382         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17383
17384 2008-02-29  Paul Brook  <paul@codesourcery.com>
17385
17386         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17387
17388 2008-02-29  Richard Guenther  <rguenther@suse.de>
17389
17390         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17391         vn_lookup_or_add.
17392         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
17393         value for comparing for a store match.
17394         (simplify_unary_expression): Do nothing for SSA_NAMEs.
17395         (try_to_simplify): Do not do a full-blown reference lookup.
17396
17397 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17398
17399         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
17400         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17401
17402         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
17403
17404 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
17405
17406         * tree-loop-linear.c (try_interchange_loops): Compare memory access
17407         strides against cache sizes.
17408
17409 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17410
17411         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
17412         constant to fpul.
17413
17414 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
17415
17416         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
17417         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
17418         is smaller than the original promoted value.
17419         (simplify_subreg): If OP is a SUBREG, try to preserve its
17420         SUBREG_PROMOTED_VAR_P information.
17421
17422 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17423
17424         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
17425         (VN_INFO_GET): Allocate new objects on the obstack.
17426         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
17427         for rpo_numbers_temp, for consistency.
17428         (free_scc_vn): Free the obstack.
17429
17430 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
17431
17432         * doc/invoke.texi: Document -ftree-loop-distribution.
17433         * tree-loop-distribution.c: New.
17434         * tree-pass.h (pass_loop_distribution): New.
17435         * graphds.h (struct graph): Add htab_t indices.
17436         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
17437         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17438         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
17439         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
17440         * tree-data-ref.c (debug_data_dependence_relations): New.
17441         (dump_data_dependence_relation): Also print data references.
17442         (free_data_ref): Extern.
17443         (same_access_functions): Moved...
17444         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
17445         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17446         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
17447         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
17448         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
17449         (stmts_from_loop): Skip LABEL_EXPR.
17450         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
17451         New.
17452         (build_rdg): Initialize rdg->indices htab.
17453         (free_rdg, stores_from_loop, ref_base_address,
17454         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
17455         have_similar_memory_accesses_1, ref_base_address_1,
17456         remove_similar_memory_refs): New.
17457         * tree-data-ref.h: Depend on tree-chrec.h.
17458         (debug_data_dependence_relations, free_data_ref): Declared.
17459         (same_access_functions): ... here.
17460         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
17461         New.
17462         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
17463         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
17464         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
17465         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17466         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
17467         rdg_vertex_for_stmt): Declared.
17468         (struct rdg_edge): Add level.
17469         (RDGE_LEVEL): New.
17470         (free_rdg, stores_from_loop, remove_similar_memory_refs,
17471         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
17472         Declared.
17473         (rdg_has_similar_memory_accesses): New.
17474         * tree-vect-analyze.c: Remove unused static decls.
17475         * lambda.h (dependence_level): New.
17476         * common.opt (ftree-loop-distribution): New.
17477         * tree-flow.h (mark_virtual_ops_in_bb,
17478         slpeel_tree_duplicate_loop_to_edge_cfg,
17479         rename_variables_in_loop): Declared.
17480         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
17481         (OBJS-common): Add tree-loop-distribution.o.
17482         (tree-loop-distribution.o): New rule.
17483         * tree-cfg.c (mark_virtual_ops_in_bb): New.
17484         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
17485         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
17486
17487 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
17488
17489         PR target/33963
17490         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
17491         other than structures and unions.
17492
17493 2008-02-28  Richard Guenther  <rguenther@suse.de>
17494
17495         Revert:
17496         2008-02-26  Richard Guenther  <rguenther@suse.de>
17497
17498         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17499         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17500         (lookup_decl_from_uid): Declare.
17501         (remove_decl_from_map): Likewise.
17502         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17503         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17504         (decl_for_uid_map): New global hashtable mapping DECL_UID
17505         to the decl tree.
17506         (init_ttree): Allocate it.
17507         (insert_decl_to_uid_decl_map): New helper function.
17508         (make_node_stat): Insert new decls into the map.
17509         (copy_node_stat): Likewise.
17510         (lookup_decl_from_uid): New function.
17511         (remove_decl_from_map): Likewise.
17512         (print_decl_for_uid_map_statistics): New helper.
17513         (dump_tree_statistics): Call it.
17514
17515         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17516         (referenced_var_iterator): Adjust.
17517         (FOR_EACH_REFERENCED_VAR): Adjust.
17518         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17519         (num_referenced_vars): Adjust.
17520         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17521         (first_referenced_var): Remove.
17522         (end_referenced_vars_p): Likewise.
17523         (next_referenced_var): Likewise.
17524         (referenced_var_iterator_set): New helper function.
17525         * tree-dfa.c (referenced_var_lookup): Adjust.
17526         (referenced_var_check_and_insert): Likewise.
17527         (remove_referenced_var): Likewise.
17528         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17529         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17530         (verify_call_clobbering): Likewise.
17531         (verify_memory_partitions): Likewise.
17532         (init_tree_ssa): Allocate bitmap instead of hashtable for
17533         referenced_vars.
17534         (delete_tree_ssa): Adjust.
17535         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17536         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17537         (compute_tag_properties): Likewise.
17538         (set_initial_properties): Likewise.
17539         (find_partition_for): Likewise.
17540         (update_reference_counts): Likewise.
17541         (dump_may_aliases_for): Likewise.
17542         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17543         (add_call_clobber_ops): Likewise.
17544         (add_call_read_ops): Likewise.
17545         (get_asm_expr_operands): Likewise.
17546         * tree-into-ssa.c (dump_decl_set): Likewise.
17547         (update_ssa): Likewise.
17548         * tree-sra.c (scan_function): Likewise.
17549         (decide_instantiations): Likewise.
17550         (scalarize_parms): Likewise.
17551         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17552         (dsa_named_for): Likewise.
17553         * tree-ssa-structalias.c (update_alias_info): Likewise.
17554         (merge_smts_into): Likewise.
17555
17556 2008-02-27  David Daney  <ddaney@avtrex.com>
17557
17558         PR target/34409
17559         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
17560         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
17561         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
17562         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
17563         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
17564
17565 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
17566
17567         PR target/25477
17568         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
17569         (BUILT_IN_NEXTTOWARD): Remove.
17570         (BUILT_IN_NEXTTOWARDF): Ditto.
17571         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
17572         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
17573
17574 2008-02-27  Tom Tromey  <tromey@redhat.com>
17575
17576         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
17577         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
17578
17579 2008-02-27  Jan Beulich  <jbeulich@novell.com>
17580
17581         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
17582         update the respective field on newdecl.
17583
17584 2008-02-27  Revital Eres  <eres@il.ibm.com>
17585
17586         PR rtl-optimization/34999
17587         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
17588         crossing edges that ends with a call insn.
17589         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
17590         call insn and clear the EDGE_CROSSING flag of the crossing edge
17591         when fixing fallthru edges.
17592
17593 2008-02-27  Richard Guenther  <rguenther@suse.de>
17594
17595         PR middle-end/35390
17596         * fold-const.c (fold_unary): Return the correct argument,
17597         converted to the result type.
17598
17599 2008-02-27  Richard Guenther  <rguenther@suse.de>
17600
17601         PR middle-end/34971
17602         * expr.c (expand_expr_real_1): Assert on rotates that operate
17603         on partial modes.
17604         * fold-const.c (fold_binary): Use the types precision, not the
17605         bitsize of the mode if folding rotate expressions.  Build rotates
17606         only for full modes.
17607
17608 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
17609
17610         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
17611         and CPP_PRAGMA_EOL.
17612         * c-pragma.c (pragma_ns_name): New typedef.
17613         (registered_pp_pragmas): New variable.
17614         (c_pp_lookup_pragma): New function.
17615         (c_register_pragma_1): If flag_preprocess_only, do nothing
17616         for non-expanded pragmas, for expanded ones push pragma's
17617         namespace and name into registered_pp_pragmas vector.
17618         (c_invoke_pragma_handler): Register OpenMP pragmas even when
17619         flag_preprocess_only, don't register GCC pch_preprocess
17620         pragma if flag_preprocess_only.
17621         * c-opts.c (c_common_init): Call init_pragma even if
17622         flag_preprocess_only.
17623         * c-pragma.c (c_pp_lookup_pragma): New prototype.
17624         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
17625         cpp_register_pragma if flag_preprocess_only.
17626
17627 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17628
17629         PR c/28800
17630         * c-parser.c (c_parser_translation_unit): Warn for empty
17631         translation unit, not empty source file.
17632
17633 2008-02-26  Paul Brook  <paul@codesourcery.com>
17634
17635         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
17636         operand for Thumb-2.
17637         * config/arm/arm.h (reg_class): Add CORE_REGS.
17638         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
17639         (BASE_REG_CLASS): Use CORE_REGS.
17640         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
17641         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
17642         (REGNO_OK_FOR_INDEX_P): Exclude SP.
17643         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
17644         ARM_REGNO_OK_FOR_INDEX_P.
17645         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
17646         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
17647         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
17648         (ldm/stm peepholes): Ditto.
17649         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
17650         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
17651         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
17652         * config/arm/constraints.md: Enable "k" constraint on ARM.
17653
17654 2008-02-27  Ben Elliston  <bje@au.ibm.com>
17655
17656         * config/rs6000/rs6000.c: Annotate cache line size field in all
17657         instances of struct processor_costs.
17658
17659 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
17660
17661         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
17662         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
17663         jump_bypass): New counters.
17664         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
17665         * dce.c (gate_ud_dce): Same.
17666         (gate_fast_dce): Same.
17667         * dse.c (gate_dse1): New function.
17668         (gate_dse2): New function.
17669         (gate_dse): Merge results of new gate functions.
17670         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
17671         (gate_handle_jump_bypass): Add dbg_cnt.
17672         (gate_handle_gcse): Add dbg_cnt.
17673         * ifcvt.c (gate_handle_if_conversion): Same.
17674         (gate_handle_if_after_combine): Same.
17675         (gate_handle_if_after_reload): Same.
17676         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
17677
17678 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
17679
17680         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
17681         line sizes.
17682         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
17683
17684 2008-02-26  Jason Merrill  <jason@redhat.com>
17685
17686         PR c++/35315
17687         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
17688         alone if it's the naming decl for the type's main variant.
17689
17690 2008-02-26  Tom Tromey  <tromey@redhat.com>
17691
17692         * system.h (USE_MAPPED_LOCATION): Poison.
17693         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
17694         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
17695         (make_goto_expr_edges): Likewise.
17696         (remove_bb): Likewise.
17697         (execute_warn_function_return): Likewise.
17698         * basic-block.h (struct edge_def) <goto_locus>: Change type to
17699         location_t.
17700         * c-common.c (fname_decl): Remove old location code.
17701         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
17702         location code.
17703         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
17704         variant.
17705         (ASM_INPUT_SOURCE_LOCATION): Likewise.
17706         (gen_rtx_ASM_INPUT): Likewise.
17707         (gen_rtx_ASM_INPUT_loc): Likewise.
17708         (get_rtx_asm_OPERANDS): Remove.
17709         * cfglayout.c (insn_locators_alloc): Remove old location code.
17710         (set_curr_insn_source_location): Likewise.
17711         (curr_insn_locator): Likewise.
17712         * print-tree.c (print_node): Remove old location code.
17713         * tree-mudflap.c (mf_varname_tree): Remove old location code.
17714         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
17715         * cfgexpand.c (expand_gimple_cond_expr): Don't use
17716         location_from_locus.
17717         (construct_exit_block): Remove old location code.
17718         * emit-rtl.c (force_next_line_note): Remove old location code.
17719         * profile.c (branch_prob): Remove old location code.
17720         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
17721         LOC_LINE): Remove old-location variants.
17722         * langhooks.c (lhd_print_error_function): Remove old location
17723         code.
17724         * configure, config.in: Rebuilt.
17725         * configure.ac (--enable-mapped-location): Remove.
17726         * c-decl.c (c_init_decl_processing): Remove old location code.
17727         (finish_function): Likewise.
17728         * recog.c (decode_asm_operands): Remove old location code.
17729         * c-pch.c (c_common_read_pch): Remove old location code.
17730         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
17731         variants.
17732         * gimple-low.c (lower_function_body): Remove old location code.
17733         * toplev.c (unknown_location): Remove.
17734         (push_srcloc): Remove old-location variant.
17735         (process_options): Remove old location code.
17736         (lang_dependent_init): Likewise.
17737         * input.h (UNKNOWN_LOCATION): Move definition.
17738         (location_t): Undeprecate.
17739         (source_locus): Remove.
17740         (location_from_locus): Remove.
17741         (struct location_s): Remove.
17742         Remove all old-location code.
17743         (input_line, input_filename): Remove.
17744         * final.c (final_scan_insn): Remove old location code.
17745         * diagnostic.c (diagnostic_build_prefix): Remove
17746         USE_MAPPED_LOCATION test.
17747         * tree.h (gimple_stmt) <locus>: Now a location_t.
17748         (tree_exp) <locus>: Likewise.
17749         (DECL_IS_BUILTIN): Remove old-location variant.
17750         (annotate_with_file_line, annotate_with_locus): Likewise.
17751         (expr_locus, set_expr_locus): Update.
17752         * tree.c (build1_stat): Remove old location code.
17753         (last_annotated_node): Remove.
17754         (annotate_with_file_line): Remove old-location variant.
17755         (annotate_with_locus): Likewise.
17756         (expr_location): Remove old location code.
17757         (set_expr_location): Likewise.
17758         (expr_has_location): Likewise.
17759         (expr_locus): Likewise.
17760         (set_expr_locus): Likewise.
17761         (expr_filename): Don't use location_from_locus.
17762         (expr_lineno): Likewise.
17763         * rtl-error.c (location_for_asm): Remove old location code.
17764         * c-lex.c (cb_line_change): Remove old location code.
17765         (fe_file_change): Likewise.
17766         (cb_def_pragma): Likewise.
17767         (c_lex_with_flags): Likewise.
17768         * gengtype.c (do_typedef): Don't special-case location types.
17769         (define_location_structures): Remove.
17770         (main): Don't call define_location_structures.
17771         * tree-pretty-print.c (dump_implicit_edges): Remove old location
17772         code.
17773
17774 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17775
17776         PR 26264
17777         * builtins.def (BUILT_IN_STDARG_START): Remove.
17778         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
17779         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
17780         * tree-inline.c (inline_forbidden_p_1): Likewise.
17781
17782 2008-02-26  Richard Guenther  <rguenther@suse.de>
17783
17784         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17785         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17786         (lookup_decl_from_uid): Declare.
17787         (remove_decl_from_map): Likewise.
17788         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17789         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17790         (decl_for_uid_map): New global hashtable mapping DECL_UID
17791         to the decl tree.
17792         (init_ttree): Allocate it.
17793         (insert_decl_to_uid_decl_map): New helper function.
17794         (make_node_stat): Insert new decls into the map.
17795         (copy_node_stat): Likewise.
17796         (lookup_decl_from_uid): New function.
17797         (remove_decl_from_map): Likewise.
17798         (print_decl_for_uid_map_statistics): New helper.
17799         (dump_tree_statistics): Call it.
17800
17801         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17802         (referenced_var_iterator): Adjust.
17803         (FOR_EACH_REFERENCED_VAR): Adjust.
17804         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17805         (num_referenced_vars): Adjust.
17806         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17807         (first_referenced_var): Remove.
17808         (end_referenced_vars_p): Likewise.
17809         (next_referenced_var): Likewise.
17810         (referenced_var_iterator_set): New helper function.
17811         * tree-dfa.c (referenced_var_lookup): Adjust.
17812         (referenced_var_check_and_insert): Likewise.
17813         (remove_referenced_var): Likewise.
17814         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17815         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17816         (verify_call_clobbering): Likewise.
17817         (verify_memory_partitions): Likewise.
17818         (init_tree_ssa): Allocate bitmap instead of hashtable for
17819         referenced_vars.
17820         (delete_tree_ssa): Adjust.
17821         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17822         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17823         (compute_tag_properties): Likewise.
17824         (set_initial_properties): Likewise.
17825         (find_partition_for): Likewise.
17826         (update_reference_counts): Likewise.
17827         (dump_may_aliases_for): Likewise.
17828         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17829         (add_call_clobber_ops): Likewise.
17830         (add_call_read_ops): Likewise.
17831         (get_asm_expr_operands): Likewise.
17832         * tree-into-ssa.c (dump_decl_set): Likewise.
17833         (update_ssa): Likewise.
17834         * tree-sra.c (scan_function): Likewise.
17835         (decide_instantiations): Likewise.
17836         (scalarize_parms): Likewise.
17837         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17838         (dsa_named_for): Likewise.
17839         * tree-ssa-structalias.c (update_alias_info): Likewise.
17840         (merge_smts_into): Likewise.
17841
17842 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17843
17844         PR 34351
17845         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
17846         * c-opts.c (c_common_handle_option): Wall enables
17847         Wvolatile-register-var.
17848         * common.opt: Move Wvolatile-register-var to...
17849         * c.opt: ...here.
17850
17851 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17852
17853         * common.opt (Wlarger-than=): New.
17854         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
17855         -Wlarger-than=.
17856         * opts.c (common_handle_option): Handle -Wlarger-than=.
17857         * optc-gen.awk: Likewise.
17858         * opth-gen.awk: Likewise.
17859         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
17860         * tree-optimize.c (tree_rest_of_compilation): Likewise.
17861
17862 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17863
17864         * c-common.c (match_case_to_enum_1): Add appropriate
17865         OPT_W* parameter to warning.
17866         (c_do_switch_warnings): Likewise.
17867         * c-typeck.c (warning_init): Add one more parameter following
17868         'warning' function.
17869         (push_init_level): Update call to warning_init.
17870         (pop_init_level): Likewise.
17871         (add_pending_init): Likewise.
17872         (output_init_element: Likewise.
17873
17874 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17875
17876         PR 28322
17877         * toplev.c (toplev_main): If there are warnings or error, print
17878         errors for ignored options.
17879         * opts.c (ignored_options): New static variable.
17880         (postpone_unknown_option_error): New.
17881         (print_ignored_options): New.
17882         (handle_option): Postpone errors for unknown -Wno-* options.
17883         * opts.h (print_ignored_options): Declare.
17884
17885 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
17886
17887         * config/mips/mips.md (loadgp_blockage, blockage): Change type
17888         to "ghost".
17889
17890 2008-02-25  Richard Guenther  <rguenther@suse.de>
17891
17892         Revert:
17893         2008-02-25  Richard Guenther  <rguenther@suse.de>
17894
17895         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17896         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17897         (lookup_decl_from_uid): Declare.
17898         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17899         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17900         (decl_for_uid_map): New global hashtable mapping DECL_UID
17901         to the decl tree.
17902         (init_ttree): Allocate it.
17903         (insert_decl_to_uid_decl_map): New helper function.
17904         (make_node_stat): Insert new decls into the map.
17905         (copy_node_stat): Likewise.
17906         (lookup_decl_from_uid): New function.
17907         (print_decl_for_uid_map_statistics): New helper.
17908         (dump_tree_statistics): Call it.
17909
17910         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17911         (referenced_var_iterator): Adjust.
17912         (FOR_EACH_REFERENCED_VAR): Adjust.
17913         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17914         (num_referenced_vars): Adjust.
17915         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17916         (first_referenced_var): Remove.
17917         (end_referenced_vars_p): Likewise.
17918         (next_referenced_var): Likewise.
17919         (referenced_var_iterator_set): New helper function.
17920         * tree-dfa.c (referenced_var_lookup): Adjust.
17921         (referenced_var_check_and_insert): Likewise.
17922         (remove_referenced_var): Likewise.
17923         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17924         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17925         (verify_call_clobbering): Likewise.
17926         (verify_memory_partitions): Likewise.
17927         (init_tree_ssa): Allocate bitmap instead of hashtable for
17928         referenced_vars.
17929         (delete_tree_ssa): Adjust.
17930         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17931         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17932         (compute_tag_properties): Likewise.
17933         (set_initial_properties): Likewise.
17934         (find_partition_for): Likewise.
17935         (update_reference_counts): Likewise.
17936         (dump_may_aliases_for): Likewise.
17937         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17938         (add_call_clobber_ops): Likewise.
17939         (add_call_read_ops): Likewise.
17940         (get_asm_expr_operands): Likewise.
17941         * tree-into-ssa.c (dump_decl_set): Likewise.
17942         (update_ssa): Likewise.
17943         * tree-sra.c (scan_function): Likewise.
17944         (decide_instantiations): Likewise.
17945         (scalarize_parms): Likewise.
17946         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17947         (dsa_named_for): Likewise.
17948         * tree-ssa-structalias.c (update_alias_info): Likewise.
17949         (merge_smts_into): Likewise.
17950
17951 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17952
17953         PR fortran/29549
17954         * doc/invoke.texi (-fcx-limited-range): Document new option.
17955         * toplev.c (process_options): Handle -fcx-fortran-rules.
17956         * common.opt: Add documentation for -fcx-fortran-rules.
17957
17958 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17959
17960         PR c/35162
17961         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
17962         actual behaviour and C99.
17963
17964 2008-02-26  Ben Elliston  <bje@au.ibm.com>
17965
17966         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
17967         (ASM_CPU_POWER6_SPEC): Likewise.
17968         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
17969         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
17970         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
17971
17972 2008-02-25  Richard Guenther  <rguenther@suse.de>
17973
17974         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17975         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17976         (lookup_decl_from_uid): Declare.
17977         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17978         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17979         (decl_for_uid_map): New global hashtable mapping DECL_UID
17980         to the decl tree.
17981         (init_ttree): Allocate it.
17982         (insert_decl_to_uid_decl_map): New helper function.
17983         (make_node_stat): Insert new decls into the map.
17984         (copy_node_stat): Likewise.
17985         (lookup_decl_from_uid): New function.
17986         (print_decl_for_uid_map_statistics): New helper.
17987         (dump_tree_statistics): Call it.
17988
17989         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17990         (referenced_var_iterator): Adjust.
17991         (FOR_EACH_REFERENCED_VAR): Adjust.
17992         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17993         (num_referenced_vars): Adjust.
17994         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17995         (first_referenced_var): Remove.
17996         (end_referenced_vars_p): Likewise.
17997         (next_referenced_var): Likewise.
17998         (referenced_var_iterator_set): New helper function.
17999         * tree-dfa.c (referenced_var_lookup): Adjust.
18000         (referenced_var_check_and_insert): Likewise.
18001         (remove_referenced_var): Likewise.
18002         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18003         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18004         (verify_call_clobbering): Likewise.
18005         (verify_memory_partitions): Likewise.
18006         (init_tree_ssa): Allocate bitmap instead of hashtable for
18007         referenced_vars.
18008         (delete_tree_ssa): Adjust.
18009         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18010         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18011         (compute_tag_properties): Likewise.
18012         (set_initial_properties): Likewise.
18013         (find_partition_for): Likewise.
18014         (update_reference_counts): Likewise.
18015         (dump_may_aliases_for): Likewise.
18016         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18017         (add_call_clobber_ops): Likewise.
18018         (add_call_read_ops): Likewise.
18019         (get_asm_expr_operands): Likewise.
18020         * tree-into-ssa.c (dump_decl_set): Likewise.
18021         (update_ssa): Likewise.
18022         * tree-sra.c (scan_function): Likewise.
18023         (decide_instantiations): Likewise.
18024         (scalarize_parms): Likewise.
18025         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18026         (dsa_named_for): Likewise.
18027         * tree-ssa-structalias.c (update_alias_info): Likewise.
18028         (merge_smts_into): Likewise.
18029
18030 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
18031
18032         PR target/35258
18033         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
18034         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
18035         * alias.h (nonoverlapping_memrefs_p): Likewise.
18036
18037 2008-02-25  Jan Beulich  <jbeulich@novell.com>
18038
18039         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
18040         * config/i386/netware-libgcc.exp: Add __bswap?i2,
18041         __emultls_get_address, __emultls_register_common,
18042         __floatundi?f, and _Unwind_GetIPInfo.
18043         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
18044         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
18045         (gen_regparm_prefix): Likewise.
18046         (i386_nlm_encode_section_info): Sync with
18047         config/i386/winnt.c:i386_pe_encode_section_info().
18048         (i386_nlm_maybe_mangle_decl_assembler_name): New.
18049         i386_nlm_mangle_decl_assembler_name): New.
18050         (netware_override_options): New.
18051         * config/i386/netware.h (netware_override_options): Declare.
18052         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
18053         (i386_nlm_mangle_decl_assembler_name): Declare.
18054         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
18055
18056 2008-02-25  Ben Elliston  <bje@au.ibm.com>
18057
18058         PR other/32948
18059         * c-decl.c (grokdeclarator): Remove unused local variables
18060         `typedef_type' and `type_as_written'.
18061         * bb-reorder.c
18062         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
18063         unused local variable `has_hot_blocks'.
18064         (fix_crossing_conditional_branches): Remove unused local variable
18065         `prev_bb'.
18066
18067 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
18068
18069         PR middle-end/19984
18070         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
18071         using DEF_C99_BUILTIN.
18072         (BUILT_IN_NANF): Ditto.
18073         (BUILT_IN_NANL): Ditto.
18074
18075 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
18076             Revital Eres  <eres@il.ibm.com>
18077
18078         * modulo-sched.c (calculate_must_precede_follow): Address TODO
18079         regarding the order of two dependent insns in the same row.
18080
18081 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
18082
18083         * stor-layout.c (layout_decl): Do not bump the alignment of a
18084         bit-field to more than byte alignment if it is packed.
18085
18086 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
18087
18088         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
18089         e300c2 and e300c3.
18090
18091 2008-02-24  Diego Novillo  <dnovillo@google.com>
18092
18093         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
18094
18095         PR 33738
18096         * tree-vrp.c (vrp_evaluate_conditional): With
18097         -Wtype-limits, emit a warning when comparing against a
18098         constant outside the natural range of OP0's type.
18099         * c.opt (Wtype-limits): Move ...
18100         * common.opt (Wtype-limits): ... here.
18101
18102 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
18103
18104         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
18105         * config/rs6000/e300c2c3.md: New file.
18106         * config/rs6000/rs6000.c (processor_costs): Add new costs for
18107         e300c2 and e300c3.
18108         (rs6000_override_options): Add e300c2 and e300c3 cases to
18109         processor_target_table. Do not allow usage of Altivec or Spe
18110         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
18111         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
18112         * config/rs6000/rs6000.h (processor_type): Add
18113         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
18114         (ASM_CPU_SPEC): Add e300c2 and e300c3.
18115         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
18116         and ppce300c3. Include e300c2c3.md.
18117
18118 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
18119
18120         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
18121         instead of TARGET_STRICT_ALIGN.
18122
18123 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
18124
18125         * explow.c (memory_address): Assert that the generated address is
18126         valid.
18127
18128 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18129
18130         PR target/25477
18131         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
18132         * config/darwin-ppc-ldouble-patch.def: New file.
18133         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
18134         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
18135         SUBTARGET_INIT_BUILTINS if defined.
18136         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
18137         New functions.
18138
18139 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18140
18141         PR rtl-opt/33512
18142         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
18143         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
18144
18145 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18146
18147         PR pch/35027
18148         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
18149         file" warning condtional on -Winvalid-PCH.
18150
18151 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
18152
18153         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
18154
18155 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
18156
18157         PR target/22076
18158         PR target/34256
18159         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
18160         prevent reload from using MMX registers.
18161         (*mov<mode>_internal): Ditto.
18162         (*movv2sf_internal_rex64): Ditto.
18163         (*movv2sf_internal): Ditto.
18164
18165 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18166
18167         PR documentation/31569
18168         * doc/install.texi2html: Use makeinfo --no-number-sections.
18169
18170 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18171
18172         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
18173         ensure that we can address an entire entity > 8 bytes.  Don't
18174         generate reg+reg addressing for such data.
18175
18176 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18177
18178         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
18179         strings when optimizing for size, unless the target cares about
18180         alignment.
18181
18182 2008-02-22  Tom Tromey  <tromey@redhat.com>
18183
18184         * regclass.c (current_pass): Remove declaration.
18185
18186 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18187
18188         * config/avr/libgcc.S (__RAMPZ__): Define.
18189         (__do_copy_data): Add for devices with 128KB code memory.
18190
18191 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18192
18193         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18194         Use spe_abi.
18195         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18196
18197 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18198
18199         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18200         GENNONACR_REGS.
18201
18202 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18203
18204         PR c/19999
18205         * c-typeck.c (build_binary_op): Warn about floating point
18206         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18207
18208 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18209
18210         PR target/34526
18211         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18212         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18213         add vrsave.
18214         (rs6000_override_options): Set altivec_abi as default, not override,
18215         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18216         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18217         is used; use new member spe_abi.
18218         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18219         spe_abi and altivec_abi.
18220
18221 2008-02-22  Tomas Bily  <tbily@suse.cz>
18222
18223         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18224
18225 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18226
18227         PR bootstrap/35273
18228         * config.build (build_file_translate): Set to `CMD //c' only if
18229         it works.
18230         * Makefile.in (build_file_translate): Improve comment.
18231
18232 2008-02-21  Jan Hubicka  <jh@suse.cz>
18233
18234         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18235         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18236         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18237
18238 2008-02-21  Michael Matz  <matz@suse.de>
18239
18240         PR target/35264
18241         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18242
18243 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18244
18245         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18246         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18247         as insn constraint.
18248         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18249         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18250         SSE_VEC_FLOAT_MODE_P as insn constraint.
18251         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18252         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18253         sse4a_movntdf using MODEF mode iterator.
18254         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18255         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18256         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18257         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18258         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18259         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18260         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18261
18262 2008-02-21  Richard Guenther  <rguenther@suse.de>
18263
18264         * tree.def (PAREN_EXPR): New tree code.
18265         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18266         and PAREN_EXPR.
18267         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18268         * expr.c (expand_expr_real_1): Likewise.
18269         * tree-inline.c (estimate_num_insns_1): Likewise.
18270         * tree-complex.c (expand_complex_move): Likewise.
18271         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18272         as plain x.
18273
18274 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18275
18276         PR target/35225
18277         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18278
18279 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18280
18281         PR target/35190
18282         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18283
18284         * config/sh/sh.c (find_barrier): Don't go past
18285         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18286
18287 2008-02-20  DJ Delorie  <dj@redhat.com>
18288
18289         * config/h8300/h8300.md (insv): Force source operand to be a register.
18290
18291         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18292         as a jump, not as a plain insn.
18293
18294 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18295
18296         * doc/invoke.texi (Warning Options): Add new option
18297         -Wframe-larger-than=.
18298         (-Wframe-larger-than): Document.
18299
18300         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18301         Add declarations for new option variables.
18302
18303         * final.c (final_start_function): Check the frame size
18304         before emission and issue a Wframe-larger-than warning.
18305
18306         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18307         Add definitions for new option variables.
18308         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18309
18310         * common.opt (Wframe-larger-than=): New option.
18311
18312 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18313
18314         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18315         (<sse>_div<mode>3): Ditto.
18316         (<sse>_vmdiv<mode>3): Ditto.
18317         (<sse>_vmsqrt<mode>2): Ditto.
18318         (*smax<mode>3): Ditto.
18319         (sse5_frcz<mode>2): Ditto.
18320         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18321         as insn constraint.
18322
18323 2008-02-20  Richard Guenther  <rguenther@suse.de>
18324
18325         PR middle-end/35265
18326         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18327         be happy with INTEGRAL_TYPE_P.
18328
18329 2008-02-20  Richard Guenther  <rguenther@suse.de>
18330
18331         * fold-const.c (split_tree): Associate floatig-point expressions
18332         if flag_associative_math is set.
18333
18334 2008-02-20  Richard Guenther  <rguenther@suse.de>
18335
18336         * tree.h (fold_real_zero_addition_p): Declare.
18337         * fold-const.c (fold_real_zero_addition_p): Export.
18338         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18339         floating-point operations with zero and one.
18340
18341 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18342
18343         * doc/install.texi: Correct references to CFLAGS, replacing them
18344         with BOOT_CFLAGS.  Document flags used during bootstrap for
18345         target libraries.
18346
18347 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18348
18349         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18350         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18351         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18352         insn constraint.
18353         (smin<mode>3): Ditto from similar patterns.
18354         (smax<mode>3): Ditto.
18355         (*ieee_smin<mode>3): Ditto.
18356         (*ieee_smax<mode>3): Ditto.
18357         * config/i386/sse.md (sse): New mode attribute.
18358         (mov<mode>): Macroize expander from movv4sf and movv2df using
18359         SSEMODEF2P mode iterator.
18360         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18361         SSE_VEC_FLOAT_MODE_P as insn constraint.
18362         (storent<mode>): Ditto.
18363         (storent<mode>): Macroize expander from storentsf and storentdf using
18364         MODEF mode iterator.
18365         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18366         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18367         (abs<mode>2): Ditto from similar patterns.
18368         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18369         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18370         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18371         (<sse>_vmsqrt<mode>2): Ditto.
18372         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18373         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18374         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18375         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18376         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18377         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18378         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18379         insn constraint.
18380         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18381         iterator and SSE_FLOAT_MODE_P as insn constraint.
18382         (<sse>_ucomi): Ditto from similar patterns.
18383         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18384         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18385         SSE_VEC_FLOAT_MODE_P as insn constraint.
18386         (vcond<mode>): Ditto from similar patterns.
18387         (and<mode>3, *and<mode>3): Ditto.
18388         (<sse>_nand<mode>3): Ditto.
18389         (ior<mode>3, *ior<mode>3): Ditto.
18390         (xor<mode>3, *xor<mode>3): Ditto.
18391         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18392         iterator and SSE_FLOAT_MODE_P as insn constraint.
18393         (*nand<mode>3): Ditto from similar patterns.
18394         (*ior<mode>3): Ditto.
18395         (*xor<mode>3): Ditto.
18396
18397 2008-02-20  Ira Rosen  <irar@il.ibm.com>
18398
18399         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
18400         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
18401         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
18402
18403 2008-02-19  Jan Hubicka  <jh@suse.cz>
18404
18405         * predict.c (tree_bb_level_predictions): Remove variable next
18406         mistakely introduced by previous commit.
18407
18408 2008-02-19  Jan Hubicka  <jh@suse.cz>
18409
18410         * predict.c (predict_paths_leading_to): Rewrite.
18411         (predict_paths_for_bb): New.
18412         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18413
18414 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18415
18416         PR bootstrap/35218
18417         * Makefile.in (build_file_translate): New.
18418         (gcc-vers.texi): Use it for translating $(abs_srcdir).
18419         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18420         * configure.ac (build_file_translate): Substitute it.
18421         * configure: Regenerate.
18422
18423 2008-02-19  Jan Hubicka  <jh@suse.cz>
18424
18425         PR rtl-optimization/34408
18426         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
18427         invalid sharing.
18428
18429 2008-02-19  Jan Hubicka  <jh@suse.cz>
18430
18431         PR middle-end/28779
18432         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
18433         call_expr.
18434
18435 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
18436
18437         PR Ada/35186
18438         * config/i386/i386-modes.def: Revert the last DI alignment
18439         change until Ada people can look into it.
18440
18441 2008-02-19  Nick Clifton  <nickc@redhat.com>
18442
18443         * opts.c (print_specific_help): Fix typo in --help text.
18444
18445 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
18446
18447         PR target/35239
18448         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
18449         32-bit inline asm without asm alternatives for host GCC < 3.0.
18450
18451 2008-02-19  Richard Guenther  <rguenther@suse.de>
18452
18453         PR tree-optimization/34989
18454         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
18455         Allow propagation to INDIRECT_REF if we can simplify only.
18456
18457 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18458
18459         * c-common.c (warn_for_collisions_1): Use appropriate option when
18460         warning.
18461
18462 2008-02-19  Nick Clifton  <nickc@redhat.com>
18463
18464         PR other/31349
18465         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
18466         (handle_options): Fix indentation.
18467         (print_filtered_help): If no language-specific options were
18468         displayed tell the user how to list all the options supported by
18469         the language's front-end.
18470         (print_specific_help): Fix indentation and remove duplicate line.
18471         (common_handle_option): Handle the -v option.
18472         For --help enable the display of undocumented options if the -v
18473         switch has been included on the command line.
18474         For --help= check for overlaps in the arguments between the option
18475         classes and the language names and issue a warning when they
18476         cannot be disambiguated.
18477         * c.opt (v): Pass on to the common option handler.
18478
18479 2008-02-19  Revital Eres  <eres@il.ibm.com>
18480
18481         * modulo-sched.c (sms_schedule): Change dump message when
18482         create_ddg function fails.
18483         (try_scheduling_node_in_cycle): Rename row to cycle.
18484         (print_partial_schedule): Rename CYCLE to ROW.
18485
18486 2008-02-19  Christian Bruel  <christian.bruel@st.com>
18487             Zdenek Dvorak  <ook@ucw.cz>
18488
18489         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
18490
18491 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18492
18493         PR target/33555
18494         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
18495         (*x86_movdicc_0_m1_se): Ditto.
18496
18497 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18498
18499         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
18500         (CMPtype): Define as __gcc_CMPtype.
18501         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
18502         (CMPtype): Define as __gcc_CMPtype.
18503
18504 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
18505
18506         Support valgrind 3.3 for --enable-checking=valgrind.
18507         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
18508         here.
18509         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
18510         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
18511         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
18512         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
18513         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
18514         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
18515         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
18516         respectively.
18517         * ggc-zone.c: Similar.
18518         * ggc-page.c: Similar.
18519
18520 2008-02-19  Paul Brook  <paul@codesourcery.com>
18521
18522         PR target/35071
18523         * config/arm/ieee754-df.S: Fix do_it typo.
18524         * config/arm/ieee754-sf.S: Fix do_it typo.
18525
18526 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18527
18528         PR target/35189
18529         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
18530         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
18531         (OPTION_MASK_ISA_SSE_SET): Likewise.
18532         (OPTION_MASK_ISA_SSE2_SET): Likewise.
18533         (OPTION_MASK_ISA_SSE3_SET): Likewise.
18534         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
18535         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
18536         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
18537         (OPTION_MASK_ISA_SSE4_SET): Likewise.
18538         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
18539         (OPTION_MASK_ISA_SSE5_SET): Likewise.
18540         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
18541         (OPTION_MASK_ISA_MMX_UNSET): Updated.
18542         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
18543         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
18544         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
18545         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
18546         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
18547         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
18548         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18549         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
18550         (OPTION_MASK_ISA_SSE4): Removed.
18551         (ix86_handle_option): Turn on bits in ix86_isa_flags and
18552         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
18553         (override_options): Don't turn on implied SSE/MMX bits in
18554         ix86_isa_flags.
18555
18556 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18557
18558         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18559         32bit host.
18560
18561 2008-02-18  Joey Ye  <joey.ye@intel.com>
18562
18563         PR middle-end/34921
18564         * tree-nested.c (insert_field_into_struct): Set type alignment
18565         to field alignment if the former is less than the latter.
18566
18567 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
18568
18569         * BASE-VER: Set to 4.4.0.
18570
18571 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18572
18573         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
18574         * doc/cfg.texi: Likewise.
18575         * doc/extend.texi: Likewise.
18576         * doc/gty.texi: Likewise.
18577         * doc/invoke.texi: Likewise.
18578         * doc/loop.texi: Likewise.
18579         * doc/md.texi: Likewise.
18580         * doc/passes.texi: Likewise.
18581         * doc/rtl.texi: Likewise.
18582         * doc/sourcebuild.texi: Likewise.
18583         * doc/tm.texi: Likewise.
18584         * doc/tree-ssa.texi: Likewise.
18585
18586 2008-02-17  Richard Guenther  <rguenther@suse.de>
18587
18588         PR middle-end/35227
18589         * tree-complex.c (init_parameter_lattice_values): Handle parameters
18590         without default definition.
18591
18592 2008-02-17  Richard Guenther  <rguenther@suse.de>
18593
18594         PR tree-optimization/35231
18595         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
18596         if A | B != 1.
18597
18598 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
18599
18600         Revert:
18601         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18602         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18603         libgcc_cmp_return mode.
18604
18605 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18606
18607         PR c/28368
18608         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
18609
18610 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
18611
18612         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
18613         multilibs.
18614
18615 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18616
18617         * doc/c-tree.texi: Use `@.' where appropriate.
18618         * doc/extend.texi: Likewise.
18619         * doc/install.texi: Likewise.
18620         * doc/invoke.texi: Likewise.
18621         * doc/loop.texi: Likewise.
18622         * doc/makefile.texi: Likewise.
18623         * doc/md.texi: Likewise.
18624         * doc/passes.texi: Likewise.
18625         * doc/standards.texi: Likewise.
18626         * doc/tm.texi: Likewise.
18627
18628 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18629
18630         PR middle-end/35196
18631         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
18632         in entry_bb.
18633         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
18634         rather than in entry_bb.
18635
18636 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18637
18638         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18639         libgcc_cmp_return mode.
18640
18641 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18642
18643         PR middle-end/35130
18644         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
18645         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
18646
18647 2008-02-15  Richard Guenther  <rguenther@suse.de>
18648             Zdenek Dvorak  <ook@ucw.cz>
18649
18650         PR tree-optimization/35164
18651         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
18652         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
18653         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
18654         Only propagate addresses which do not have abnormal SSA_NAMEs
18655         in their operands.
18656
18657 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
18658
18659         PR target/35088
18660         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
18661
18662 2008-02-15  Jan Hubicka  <jh@suse.cz>
18663
18664         PR middle-end/35149
18665         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
18666
18667 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18668
18669         PR middle-end/34621
18670         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
18671         when calculating alignment_pad.
18672
18673 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18674
18675         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
18676         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
18677         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
18678         and STACK_BOUNDARY define.
18679
18680 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
18681
18682         PR preprocessor/35061
18683         * c-pragma.c (handle_pragma_pop_macro): Check that
18684         pushed_macro_table has been allocated.
18685
18686 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
18687
18688         PR middle-end/35136
18689         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
18690         (force_gimple_operand): Likewise.
18691         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
18692         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
18693         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
18694         (find_interesting_uses_address): Check addressability and alignment
18695         of the base expression only after substituting bases of IVs into it.
18696
18697 2008-02-14  Michael Matz  <matz@suse.de>
18698
18699         PR target/34930
18700         * function.c (instantiate_virtual_regs_in_insn): Reload address
18701         before falling back to reloading the whole operand.
18702
18703 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
18704
18705         * config/s390/s390.c (s390_mainpool_start): Emit the pool
18706         before the first section switch note.
18707
18708 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18709
18710         * doc/bugreport.texi: Update copyright years.
18711         * doc/c-tree.texi: Likewise.
18712         * doc/cfg.texi: Likewise.
18713         * doc/cpp.texi: Likewise.
18714         * doc/cppinternals.texi: Likewise.
18715         * doc/fragments.texi: Likewise.
18716         * doc/frontends.texi: Likewise.
18717         * doc/gcc.texi: Likewise.
18718         * doc/gty.texi: Likewise.
18719         * doc/hostconfig.texi: Likewise.
18720         * doc/implement-c.texi: Likewise.
18721         * doc/libgcc.texi: Likewise.
18722         * doc/loop.texi: Likewise.
18723         * doc/makefile.texi: Likewise.
18724         * doc/options.texi: Likewise.
18725         * doc/passes.texi: Likewise.
18726         * doc/rtl.texi: Likewise.
18727         * doc/sourcebuild.texi: Likewise.
18728         * doc/standards.texi: Likewise.
18729         * doc/tree-ssa.texi: Likewise.
18730         * doc/trouble.texi: Likewise.
18731
18732         * doc/extend.texi: Use @: or add comma where appropriate.
18733         * doc/invoke.texi: Likewise.
18734         * doc/tm.texi: Likewise.
18735
18736 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
18737
18738         PR target/34393
18739         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
18740         to a reg.
18741
18742 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
18743
18744         * doc/md.texi (clz, ctz): Add reference.
18745         * doc/rtl.texi (clz, ctz): Likewise.
18746
18747 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18748
18749         PR other/35148
18750         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
18751         srcdir.
18752
18753 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
18754
18755         * config/s390/s390.c (struct constant_pool): New field
18756         emit_pool_after added.
18757         (s390_mainpool_start): Set the emit_pool_after flag according
18758         to the section switch notes.
18759         (s390_mainpool_finish): Consider emit_pool_after when emitting
18760         the literal pool at the end of the function.
18761         (s390_chunkify_start): Force literal pool splits at section
18762         switch notes.
18763
18764 2008-02-13  Michael Matz  <matz@suse.de>
18765
18766         PR debug/35065
18767         * var-tracking.c (clobber_variable_part): Correctly traverse the
18768         list.
18769
18770 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18771
18772         PR 29673
18773         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
18774         Add -fdump-ipa-inline.
18775         * tree-dump.c (dump_files): Remove tree-inlined dump.
18776         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
18777
18778 2008-02-12  Richard Guenther  <rguenther@suse.de>
18779
18780         PR tree-optimization/35171
18781         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
18782         default defs.
18783
18784 2008-02-12  Richard Guenther  <rguenther@suse.de>
18785
18786         PR middle-end/35163
18787         * fold-const.c (fold_widened_comparison): Use get_unwidened in
18788         value-preserving mode.  Disallow final truncation.
18789
18790 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
18791
18792         PR middle-end/35136
18793         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
18794         code from here to...
18795         (force_gimple_operand): ...here.
18796
18797 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
18798
18799         PR c++/35144
18800         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
18801         non-compatible pointers.
18802         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
18803         different FIELD_DECLs, try harder by comparing field offsets, sizes
18804         and types.
18805
18806         PR inline-asm/35160
18807         * function.c (match_asm_constraints_1): Don't replace the same input
18808         multiple times.
18809
18810 2008-02-12  Anatoly Sokolov <aesok@post.ru>
18811
18812         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
18813         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
18814         (expand_epilogue): Restore RAMPZ register.
18815         * config/avr/avr.md (RAMPZ_ADDR): New constant.
18816
18817 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
18818
18819         * config/i386/cygwin.asm: (__alloca): Correct calling
18820         convention and alignment.
18821         (__chkstk): Force 8 byte stack alignment.
18822
18823 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
18824             Richard Guenther  <rguenther@suse.de>
18825
18826         PR tree-optimization/33992
18827         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
18828         the zero we compare against.
18829
18830 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
18831
18832         PR libfortran/35063
18833         * gthr-win32.h (__gthread_mutex_destroy_function): New function
18834         to CloseHandle after unlocking to prevent accumulation of handle
18835         count.
18836
18837 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18838
18839         PR middle_end/34150
18840         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
18841         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
18842         and update LABEL_NUSES during and after reload.
18843
18844 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
18845
18846         PR middle-end/34627
18847         * combine.c (simplify_if_then_else): Make sure the comparison is
18848         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
18849
18850 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
18851
18852         PR bootstrap/35051
18853         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
18854         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
18855         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
18856         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
18857         * tree.h (get_type_static_bounds): Likewise.
18858
18859 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18860
18861         * doc/invoke.texi (Option Summary, C++ Dialect Options)
18862         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18863         Make -Wfoo language annotations match what the compiler outputs.
18864
18865 2008-02-08  Sa Liu  <saliu@de.ibm.com>
18866
18867         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
18868         intrinsics spu_convts, spu_convtu, spu_convtf.
18869
18870 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
18871
18872         * doc/extend.texi (Function Attributes) <noinline>: Mention
18873         asm ("") as method to keep calls.
18874
18875 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18876
18877         PR other/32754
18878         * doc/options.texi (Options): Replace references to opts.sh with
18879         optc-gen.awk.
18880         * opts-common.c: Likewise.
18881         * optc-gen.awk: Likewise.
18882
18883 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
18884
18885         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
18886
18887 2008-02-07  Richard Henderson  <rth@redhat.com>
18888
18889         PR rtl-opt/33410
18890         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
18891         EXPR_LIST for the REG_EQUAL instead of a comparison with a
18892         funny mode.
18893
18894 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
18895
18896         PR tree-optimization/35085
18897         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
18898         for operand entry oe2 in addition to operand entry oe3 in order to
18899         expose more opportunities for vectorizer sum reduction.
18900
18901 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18902
18903         PR other/35107
18904         * Makefile.in (LIBS): Remove $(GMPLIBS).
18905         (cc1-dummy, cc1): Add $(GMPLIBS).
18906
18907 2008-02-06  Jan Hubicka  <jh@suse.cz>
18908
18909         PR target/23322
18910         * i386.md (moddf_integer): Do not produce partial memory stalls for
18911         targets where it hurts.
18912
18913 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
18914
18915         PR target/35083
18916         * optabs.c (expand_float): Do not check for decimal modes when
18917         expanding unsigned integer through signed conversion.
18918
18919 2008-02-06  Nick Clifton  <nickc@redhat.com>
18920
18921         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
18922         inside the clobber with a match_operand and duplicated operand
18923         number in the constraint.
18924         (ineqbranchsi): Delete redundant comment.
18925
18926 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
18927
18928         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
18929         builtin_define ("__USE_INIT_FINI__").
18930         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
18931         -msx multilibs.
18932         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
18933
18934 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18935
18936         PR documentation/30330
18937         * doc/invoke.texi (C++ Dialect Options)
18938         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18939         For each warning option -Wfoo that allows -Wno-foo, ensure both
18940         -Wfoo and -Wno-foo are listed in the option index.  Fix index
18941         entry of -Wswitch-default, index -Wnormalized= including the
18942         `=', and -Wlarger-than-@var{len} including @var{len}.
18943
18944 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18945
18946         * config/i386/i386.md (floatunssisf2): Use
18947         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
18948         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
18949         Macroize expander using MODEF mode iterator.
18950
18951 2008-02-05  Diego Novillo  <dnovillo@google.com>
18952
18953         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
18954
18955         PR 33738
18956         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
18957
18958 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18959
18960         PR other/35070
18961         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
18962
18963 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
18964
18965         PR target/35084
18966         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
18967         to indicate if a message should be generated.
18968         (init_cumulative_args): Updated.
18969         (function_value_32): Likewise.
18970
18971 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
18972
18973         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
18974
18975 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18976
18977         PR target/35083
18978         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
18979         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
18980
18981 2008-02-04  Diego Novillo  <dnovillo@google.com>
18982
18983         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
18984
18985         PR 33738
18986         * tree-vrp.c (vrp_evaluate_conditional): With
18987         -Wtype-limits, emit a warning when comparing against a
18988         constant outside the natural range of OP0's type.
18989
18990 2008-02-04  Richard Guenther  <rguenther@suse.de>
18991
18992         PR middle-end/33631
18993         * expr.c (count_type_elements): Give for unions instead of
18994         guessing.
18995
18996 2008-02-04  Richard Guenther  <rguenther@suse.de>
18997
18998         PR middle-end/35043
18999         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
19000         to TYPE_DOMAINs base type instead of using bitsizetype here.
19001
19002 2008-02-03  Jason Merrill  <jason@redhat.com>
19003
19004         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
19005
19006 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19007
19008         PR other/29972
19009         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
19010         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
19011         (RS/6000 and PowerPC Options): Fix typos and markup.
19012         * doc/passes.texi (Tree-SSA passes): Likewise.
19013
19014 2008-02-02  Michael Matz  <matz@suse.de>
19015
19016         PR target/35045
19017         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
19018         from record_last_reg_set_info.
19019         (record_last_reg_set_info): Take an RTX argument, iterate over all
19020         constituent hardregs.
19021         (record_last_set_info, record_opr_changes): Change calls to
19022         new signature or to record_last_reg_set_info_regno.
19023
19024 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
19025
19026         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
19027
19028 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
19029
19030         PR rtl-optimization/34773
19031         * reg-notes.def (EQUAL): Mention significance of combination of
19032         REG_EQUAL and REG_RETVAL.
19033         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
19034         insn that has a REG_RETVAL.
19035
19036 2008-02-01  Roger Sayle  <roger@eyesopen.com>
19037
19038         PR bootstrap/33781
19039         * configure.ac (--enable-fixed-point): Disable unless explicitly
19040         requested on IRIX.
19041         * configure: Regenerate.
19042
19043 2008-02-01  Richard Guenther  <rguenther@suse.de>
19044
19045         PR other/35042
19046         * invoke.texi (-finline-limit): Remove no longer true parts
19047         of the documentation.  Note that there is no default value.
19048
19049 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
19050             Mark Mitchell  <mark@codesourcery.com>
19051             Ben Elliston  <bje@au.ibm.com>
19052
19053         PR c/29326
19054         * doc/extend.texi (Other Builtins): Document.
19055
19056 2008-01-31  Tom Browder <tom.browder@gmail.com>
19057
19058         * doc/c-tree.texi (Types): Fix grammar.
19059         (Expression trees): Ditto.
19060         * doc/passes.texi (Tree-SSA passes): Ditto.
19061
19062         * doc/configterms.texi (Configure Terms): Fix typo.
19063         * doc/cpp.texi (Common Predefined Macros): Ditto.
19064         * doc/md.texi (Machine Constraints): Ditto.
19065
19066         * doc/makefile.texi (Makefile): Add comma.
19067
19068 2008-01-31  Tom Browder  <tom.browder@gmail.com>
19069             Gerald Pfeifer  <gerald@pfeifer.com>
19070
19071         * doc/sourcebuild.texi (Front End): Remove references to CVS
19072         and CVSROOT/modules.
19073         (Texinfo Manuals): Replace reference to CVS by one to SVN.
19074         (Back End): Remove reference to CVS.
19075
19076 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19077
19078         PR target/34900
19079         * config/mips/mips.c (gen_load_const_gp): New function, taking a
19080         comment from...
19081         (mips16_gp_pseudo_reg): ...here.
19082         * config/mips/mips.md (load_const_gp): Replace with...
19083         (load_const_gp_<mode>): ...this :P-based insn.
19084
19085 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19086
19087         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
19088         options. Minor fixes.
19089         (-std): Move reference to standards closer to where language
19090         standards are first mentioned.
19091
19092 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19093
19094         PR rtl-optimization/34995
19095         * reload.c (alternative_allows_const_pool_ref): Take an rtx
19096         parameter and return a bool.  If the rtx parameter is nonnull,
19097         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
19098         (find_reloads): Update call accordingly.  Pass the new operand
19099         if it needed no address reloads, otherwise pass null.
19100
19101 2008-01-30  Richard Henderson  <rth@redhat.com>
19102
19103         PR c/34993
19104         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
19105         for unbounded arrays.
19106
19107 2008-01-30  Silvius Rus  <rus@google.com>
19108
19109         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
19110
19111 2008-01-30  Jan Hubicka  <jh@suse.cz>
19112
19113         PR target/34982
19114         * i386.c (init_cumulative_args): Use real function declaration when
19115         calling locally.
19116
19117 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
19118
19119         PR rtl-optimization/34998
19120         * global.c (build_insn_chain): Treat non-subreg_lowpart
19121         SUBREGs of pseudos as clobbering all the words covered by the
19122         SUBREG, not just all the bytes.
19123         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
19124         original df_ref rather than an extract parameter.
19125         (global_conflicts): Update call accordingly.
19126
19127 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
19128
19129         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
19130         the overflow check to make it easier to read.
19131         (__fixtfdi): Change the type of the ll member in union
19132         long_double to UDItype_x.
19133
19134 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
19135
19136         PR middle-end/34969
19137         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
19138         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
19139         * tree-inline.c (fold_marked_statements): Call
19140         cgraph_update_edges_for_call_stmt if folding a call statement.
19141         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
19142         debug_generic_stmt calls, reset it back afterwards.
19143
19144         PR c/35017
19145         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
19146         static decls.
19147         * c-typeck.c (build_external_ref): Don't pedwarn about
19148         static vars in current function's scope.
19149
19150 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
19151
19152         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
19153
19154 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
19155
19156         PR c/35002
19157         * ipa-struct-reorg.c: Fix spelling.
19158         * params.def: Ditto.
19159
19160 2008-01-29  Richard Guenther  <rguenther@suse.de>
19161
19162         PR middle-end/35006
19163         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
19164         field.
19165         * tree-inline.c (remap_type): Increment remapping_type_depth
19166         around remapping types.
19167         (copy_body_r): Only add referenced variables if they are referenced
19168         from code, not types.
19169
19170 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
19171
19172         PR c++/34055
19173         PR c++/34103
19174         PR c++/34219
19175         PR c++/34606
19176         PR c++/34753
19177         PR c++/34754
19178         PR c++/34755
19179         PR c++/34919
19180         PR c++/34961
19181         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
19182         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
19183
19184 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
19185
19186         PR target/34412
19187         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19188         pointer for tiny stack.
19189
19190 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19191
19192         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19193
19194 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19195
19196         * config/vx-common.h: Fix typo in comment.
19197
19198 2008-01-28  Ian Lance Taylor  <iant@google.com>
19199
19200         PR c++/34862
19201         PR c++/33407
19202         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19203         coalesce pointers if they have different DECL_NO_TBAA_P values.
19204         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19205         between variables with different DECL_NO_TBAA_P values.
19206
19207 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19208
19209         PR 31535
19210         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19211         are not legitimate small data references on SPE targets.
19212
19213 2008-01-28  David Daney  <ddaney@avtrex.com>
19214
19215         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19216
19217 2008-01-28  David Daney  <ddaney@avtrex.com>
19218
19219         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19220
19221 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19222
19223         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19224         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19225         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19226         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19227         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19228         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19229         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19230         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19231
19232 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19233
19234         * basic-block.h (condjump_equiv_p): Fix comment.
19235
19236 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19237
19238         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19239         print_generic_stmt_indented): Fix comment.
19240
19241 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19242
19243         * configure.ac (__stack_chk_fail): Add detecion for availability
19244         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19245         * configure: Regenerate.
19246
19247 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19248
19249         PR middle-end/34688
19250         * final.c (output_addr_const): Handle TRUNCATE.
19251
19252 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19253
19254         PR target/34711
19255         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19256         (zero_cost, infinite_cost): New constants.
19257         (struct cost_pair): Change type of cost to comp_cost.
19258         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19259         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19260         New functions.
19261         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19262         split_address_cost, ptr_difference_cost, difference_cost,
19263         get_computation_cost_at, get_computation_cost,
19264         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19265         determine_use_iv_cost_condition, determine_use_iv_costs,
19266         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19267         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19268         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19269         Change type of cost to comp_cost.
19270         (determine_iv_cost): Increase cost of non-original ivs, instead
19271         of decreasing the cost of original ones.
19272         (get_address_cost): Indicate the complexity of the addressing mode
19273         in comp_cost.
19274         (try_add_cand_for): Prefer using ivs not specific to some object.
19275         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19276
19277 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19278             Janis Johnson  <janis187@us.ibm.com>
19279
19280         PR target/34814
19281         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19282         (TARGET_INSTANTIATE_DECLS): Likewise.
19283         * target.h (expand_to_rtl_hook): New target hook.
19284         (instantiate_decls): Likewise.
19285         * function.c (instantiate_decl): Make non-static.  Rename to...
19286         (instantiate_decl_rtl): ... this.
19287         (instantiate_expr): Use instantiate_decl_rtl.
19288         (instantiate_decls_1): Likewise.
19289         (instantiate_decls): Likewise.
19290         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19291         * function.h (instantiate_decl_rtl): Add prototype.
19292         * cfgexpand.c (target.h): New include.
19293         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19294         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19295         (TARGET_INSTANTIATE_DECLS): Likewise.
19296         (TARGET_INITIALIZER): New target hooks added.
19297         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19298         New prototype.
19299         * config/rs6000/rs6000.c (tree-flow.h): New include.
19300         (machine_function): Add sdmode_stack_slot field.
19301         (rs6000_alloc_sdmode_stack_slot): New function.
19302         (rs6000_instantiate_decls): Likewise.
19303         (rs6000_secondary_memory_needed_rtx): Likewise.
19304         (rs6000_check_sdmode): Likewise.
19305         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19306         (TARGET_INSTANTIATE_DECLS): Likewise.
19307         (rs6000_hard_regno_mode_ok): Allow SDmode.
19308         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19309         (rs6000_emit_move): Handle SDmode.
19310         (function_arg_advance): Likewise.
19311         (function_arg): Likewise.
19312         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19313         SDmode var args for 32-bit compiles.
19314         (rs6000_secondary_reload_class): Handle SDmode.
19315         (rs6000_output_function_epilogue): Likewise.
19316         (rs6000_function_value): Simplify if statement.
19317         (rs6000_libcall_value): Likewise.
19318         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19319         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19320         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19321         (movsd_hardfloat): New define_insn.
19322         (movsd_softfloat): Likewise.
19323         (movsd_store): Likewise.
19324         (movsd_load): Likewise.
19325         (extendsddd2): Likewise.
19326         (extendsdtd2): Likewise.
19327         (truncddsd2): Likewise.
19328         (movdd_hardfloat64): Fixup comment.
19329         (UNSPEC_MOVSD_LOAD): New constant.
19330         (UNSPEC_MOVSD_STORE): Likewise.
19331
19332 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19333
19334         PR c++/34965
19335         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19336         TRUTH_XOR_EXPR.
19337         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19338         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19339         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19340         and TRUTH_XOR_EXPR.
19341
19342 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19343
19344         PR target/34794
19345         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19346         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19347         __LONGDOUBLE128 too.
19348         * config/rs6000/aix61.h: New file.
19349
19350 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19351
19352         PR rtl-optimization/34959
19353         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19354         popcount and parity rtxes the same mode as their operand.
19355         Truncate or extend the result to the return value's mode
19356         if necessary.
19357
19358 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19359
19360         PR target/34981
19361         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19362         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19363         to GOT_VERSION_REGNUM.
19364         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19365         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19366         * config/mips/mips.c (mips_emit_call_insn): New function.
19367         (mips_call_tls_get_addr): Call mips_expand_call directly.
19368         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19369         emit_call_insn.
19370         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19371         (mips_expand_call): Update the call to mips16_build_call_stub
19372         accordingly and a remove redundant condition.  Assert that MIPS16
19373         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19374         the call insn.
19375         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19376         TARGET_USE_GOT.
19377         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19378         (mips_avoid_hazard): Remove hazard_set handling.
19379         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19380         (UNSPEC_RESTORE_GP): ...this.
19381         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19382         (FAKE_CALL_REGNO): Rename to...
19383         (GOT_VERSION_REGNUM): ...this.
19384         (type): Add "ghost" value.  Add an associated insn reservation.
19385         (hazard_set): Remove.
19386         (exception_receiver): Rename to...
19387         (restore_gp): ...this and update the unspec identifier accordingly.
19388         (exception_receiver, nonlocal_got_receiver): New expanders.
19389         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19390         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19391         (set_got_version, update_got_version): New patterns.
19392
19393 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
19394
19395         PR target/34970
19396         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
19397
19398 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19399
19400         PR other/31955
19401         * doc/install.texi2html: Generate gcc-vers.texi.
19402
19403 2008-01-25  DJ Delorie  <dj@redhat.com>
19404
19405         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
19406
19407 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19408
19409         * config/c4x: Remove directory.
19410         * config.gcc (crx-*, mt-*): Mark obsolete.
19411         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
19412         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
19413         sh-*-rtemscoff*): Remove cases.
19414         * defaults.h (C4X_FLOAT_FORMAT): Remove.
19415         * real.c (encode_c4x_single, decode_c4x_single,
19416         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
19417         c4x_extended_format): Remove.
19418         * real.h (c4x_single_format, c4x_extended_format): Remove.
19419         * doc/extend.texi (interrupt, naked): Remove mention of attributes
19420         on C4x.
19421         (Pragmas): Remove comment about c4x pragmas.
19422         * doc/install.texi (c4x): Remove target-specific instructions.
19423         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
19424         * doc/md.texi (Machine Constraints): Remove C4x documentation.
19425         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
19426         refer to C4x source files as examples.
19427         (C4X_FLOAT_FORMAT): Remove documentation.
19428
19429 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
19430
19431         * config/bfin/bfin.c (override_options): Reorder tests so that
19432         flag_pic gets enabled for -msep-data.
19433
19434 2008-01-25  Richard Guenther  <rguenther@suse.de>
19435
19436         PR middle-end/32244
19437         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
19438         to its bitfield precision if required.
19439
19440 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19441
19442         PR middle-end/33880
19443         * tree-nested.c (walk_omp_for): New function.
19444         (convert_nonlocal_reference, convert_local_reference): Call
19445         walk_omp_for on OMP_FOR.
19446         (convert_call_expr): Call walk_body on OMP_FOR's
19447         OMP_FOR_PRE_INIT_BODY.
19448
19449 2008-01-25  Richard Guenther  <rguenther@suse.de>
19450
19451         PR tree-optimization/34966
19452         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
19453         default defs and PHI_NODEs we have to insert after the
19454         defining statement.
19455
19456 2008-01-24  Nick Clifton  <nickc@redhat.com>
19457
19458         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
19459         Provide a default definition.
19460         (LIBGCC2_UNITS_PER_WORD): Likewise.
19461
19462         * config/stormy16/stormy16.c: Include df.h for the prototype
19463         for df_regs_ever_live_p.
19464         (xstormy16_expand_builtin_va_start): Convert the stack offset
19465         into a component_ref and then use POINTER_PLUS_EXPR to add it
19466         to the incoming_virtual_args_rtx.
19467         (xstormy16_gimplify_va_arg_expr): Rename to
19468         xstormy16_gimplify_va_arg_expr.
19469         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
19470         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
19471         xstormy16_gimplify_va_arg_expr.
19472         Fix up some formatting issues.
19473
19474         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
19475         Move to predicates.md.
19476         (xs_hi_general_operand): Likewise.
19477         (xs_hi_nonmemory_operand): Likewise.
19478         * config/stormy16/predicates.md:
19479         (xstormy16_carry_plus_operand): New predicate.
19480         (xs_hi_general_operand): New predicate.
19481         (xs_hi_nonmemory_operand): New predicate.
19482         * config/stormy16/stormy16-protos.h:
19483         (xstormy16_carry_plus_operand): Delete prototype.
19484         (xs_hi_general_operand): Likewise.
19485         (xs_hi_nonmemory_operand): Likewise.
19486
19487         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
19488         modifiers as they are no longer needed and they can trigger
19489         reload spill failures.
19490
19491         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
19492         with a match_operand in order to help reload.
19493
19494         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
19495         constraint with 'e' for the 8th alternative as this version of
19496         the mov.w instruction only accepts the lower 8 registers.
19497
19498 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
19499
19500         PR target/34856
19501         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
19502         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
19503         vector elements.
19504
19505 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19506
19507         PR middle-end/33333
19508         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
19509
19510 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19511
19512         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
19513         New functions.
19514         (remove_structure): Update allocations list before removing structure.
19515
19516 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19517
19518         * ipa-struct-reorg.c (is_safe_cond_expr,
19519         create_new_stmts_for_cond_expr): Use integer_zerop function,
19520         that recognize not only zero-pointer, but zero-integer too.
19521
19522 2008-01-25  Ben Elliston  <bje@au.ibm.com>
19523
19524         PR other/22232
19525         * fixproto: Escape "." in sed expression that strips leading "./".
19526
19527 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
19528
19529         PR driver/34904
19530         * gcc.c (SWITCH_OK): Removed.
19531         (SWITCH_LIVE): Changed to bit.
19532         (SWITCH_FALSE): Likewise.
19533         (SWITCH_IGNORE): Likewise.
19534         (switchstr): Change live_cond to unsigned int.
19535         (process_command): Replace SWITCH_OK with 0.
19536         (do_self_spec): Likewise.
19537         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
19538         (give_switch): Likewise.
19539         (used_arg): Likewise.
19540         (do_spec_1): Set the SWITCH_IGNORE bit.
19541         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
19542         bits.  Set the SWITCH_LIVE bit.
19543
19544 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
19545
19546         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
19547
19548 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
19549
19550         PR tree-optimization/34472
19551         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
19552         parameter to a "bool *" and set *DATA to false if there is
19553         an unsafe access.  Do not delete the structure here.
19554         (check_cond_exprs): Delete it here instead.
19555         (check_cond_exprs, exclude_cold_structs): Do not increase
19556         I when removing a structure.
19557
19558 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
19559
19560         PR target/34856
19561         * config/i386/i386.c (ix86_expand_vector_init): Consider only
19562         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
19563
19564 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
19565
19566         PR middle-end/34934
19567         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
19568         a fixed vector for stack.
19569
19570 2008-01-24  Ben Elliston  <bje@au.ibm.com>
19571
19572         PR c++/25701
19573         * doc/gcc.texi (Software development): Add a direntry for g++.
19574
19575 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
19576
19577         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
19578         stale and straggling -fforce-addr comments above.
19579
19580         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19581         define.
19582         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
19583         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
19584
19585 2008-01-23  Michael Matz  <matz@suse.de>
19586
19587         PR debug/34895
19588         * dwarf2out.c (force_type_die): Use modified_type_die instead of
19589         gen_type_die.
19590
19591 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
19592
19593         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
19594         malloc result type.
19595
19596 2008-01-23 Anatoly Sokolov <aesok@post.ru>
19597
19598         * config/avr/avr.c (avr_current_arch): New variable.
19599         (avr_arch_types): Add 'avr31' and 'avr51' entries.
19600         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
19601         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
19602         (avr_override_options): Init 'avr_current_arch'.
19603         (base_arch_s): Move from here...
19604         * config/avr/avr.h (base_arch_s): ... here. Add new members
19605         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
19606         'mega' to 'have_jmp_call'.
19607         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
19608         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
19609         macros.
19610         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
19611         architectures.
19612         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19613         MULTILIB_MATCHES): Ditto.
19614
19615 2008-01-23  Richard Guenther  <rguenther@suse.de>
19616
19617         PR middle-end/31529
19618         * cgraphunit.c (cgraph_reset_node): Always mark the node
19619         not reachable if it is not queued already.
19620
19621 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
19622
19623         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
19624         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
19625         (cputype_selected): New static variable.
19626         (bfin_handle_option): Set it if -mcpu is used.
19627         (override_option): Select default set of workarounds if no cpu type
19628         selected on the command line.
19629         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
19630
19631         From  Michael Frysinger  <michael.frysinger@analog.com>
19632         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
19633         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
19634
19635         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
19636         for bf547, bf523, bf524, and bf526.
19637         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
19638         bf526.
19639         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
19640         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
19641         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
19642         __ADSPBF547__ and __ADSPBF54x__ for bf547.
19643         * doc/invoke.texi (Blackfin Options): Document that
19644         -mcpu now accept bf547, bf523, bf524, and bf526.
19645
19646 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
19647
19648         PR rtl-optimization/34628
19649         * combine.c (try_combine): Stop and undo after the first combination
19650         if an autoincrement side-effect on the first insn has effectively
19651         been lost.
19652
19653 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
19654
19655         PR target/34529
19656         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
19657         Offset addresses are not valid for Altivec or paired float modes.
19658
19659 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
19660
19661         PR c++/34607
19662         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
19663         if DECL_INITIAL (decl) is error_mark_node.
19664
19665         PR c++/34914
19666         * c-common.c (handle_vector_size_attribute): Only allow
19667         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
19668         the same way as pointer, array etc. types.
19669         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
19670
19671         PR c++/34917
19672         * tree.c (build_type_attribute_qual_variant): Call
19673         build_qualified_type if attributes are equal, but quals are not.
19674
19675 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19676
19677         PR 32102
19678         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
19679         * flags.h (warn_strict_aliasing): Remove.
19680         (warn_strict_overflow): Remove.
19681         * opts.c (warn_strict_aliasing): Remove.
19682         (warn_strict_overflow): Remove.
19683         * c-opts.c (c_common_handle_option): -Wall only sets
19684         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
19685         (c_common_post_options): Give default values to -Wstrict-aliasing
19686         and -Wstrict-overflow if they are uninitialized.
19687         * common.opt (Wstrict-aliasing): Specify Var and Init.
19688         (Wstrict-overflow): Likewise.
19689
19690 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
19691
19692         PR rtl-optimization/26854
19693         PR rtl-optimization/34400
19694         PR rtl-optimization/34884
19695         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
19696         DF_RD->gen.
19697         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
19698         (df_rd_bb_info.expanded_lr_out): Deleted
19699         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
19700         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
19701         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19702         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19703         Removed code to allocate, initialize or free expanded_lr_out.
19704         (df_rd_bb_local_compute_process_def): Restructured to make more
19705         understandable.
19706         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
19707         sets if the sets are being trimmed.
19708
19709 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
19710
19711         PR bootstrap/32287
19712         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
19713         (as_vers): Likewise.
19714         * configure: Regenerated.
19715
19716 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19717
19718         PR middle-end/33092
19719         * tree-pass.h (pass_build_alias): New pass.
19720         * tree-ssa-alias.c (gate_build_alias): New.
19721         (pass_build_alias): New.
19722         * passes.c (init_optimization_passes): Add pass_build_alias after
19723         pass_create_structure_vars.
19724
19725 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
19726
19727         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
19728         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
19729         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
19730         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
19731         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
19732         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
19733         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
19734         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
19735         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
19736         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
19737         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
19738         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
19739         * config/s390/s390.md (FP_ALL): New mode iterator.
19740         (_d): New mode attribute.
19741         ("*signbit<mode>2>"): Changed mode of first operand.
19742         ("isinf<mode>2"): Changed mode of first operand.
19743         ("*TDC_insn"): Adaptation for DFP modes.
19744
19745 2008-01-22  Ben Elliston  <bje@au.ibm.com>
19746
19747         * tree.c (check_qualified_type): Improve function description.
19748
19749 2008-01-21  Jason Merrill  <jason@redhat.com>
19750
19751         PR c++/34196
19752         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
19753         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
19754         if it is set.
19755
19756 2008-01-21  DJ Delorie  <dj@redhat.com>
19757
19758         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
19759         return zero.
19760
19761 2008-01-21  Richard Guenther  <rguenther@suse.de>
19762
19763         PR middle-end/34856
19764         * tree-cfg.c (verify_expr): Allow all invariant expressions
19765         instead of just constant class ones as reference argument.
19766         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
19767         like any other constant.
19768         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
19769
19770 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
19771
19772         * regmove.c (fixup_match_1): Update call crossed frequencies.
19773
19774 2008-01-21  Richard Guenther  <rguenther@suse.de>
19775
19776         PR c/34885
19777         * tree-inline.c (setup_one_parameter): Deal with mismatched
19778         types using a VIEW_CONVERT_EXPR.
19779
19780 2008-01-21  Alon Dayan  <alond@il.ibm.com>
19781             Olga Golovanevsky  <olga@il.ibm.com>
19782
19783         PR tree-optimization/34701
19784         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
19785         when the structure size is not a power of 2.
19786
19787 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
19788
19789         * doc/install.texi: Add doc for --enable-checking=df.
19790
19791 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19792
19793         PR rtl-optimization/34808
19794         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
19795
19796 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19797
19798         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
19799         input.
19800
19801 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
19802
19803         PR rtl-optimization/26854
19804         PR rtl-optimization/34400
19805         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
19806         DF_RD->gen.
19807         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
19808         (df_rd_bb_info.expanded_lr_out): New.
19809         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
19810         * loop_iv.c (iv_analysis_loop_init): Ditto.
19811         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19812         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19813         Added code to allocate, initialize or free expanded_lr_out.
19814         (df_rd_bb_local_compute_process_def): Restructured to make
19815         more understandable.
19816         (df_rd_confluence_n): Add code to do nothing with fake edges and
19817         code to no apply invalidate_by_call sets if the sets are being trimmed.
19818         (df_lr_local_finalize): Renamed to df_lr_finalize.
19819         (df_live_local_finalize): Renamed to df_live_finalize.
19820
19821 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19822
19823         PR target/34831
19824         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
19825         deciding whether to use reciprocal instructions.
19826
19827 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
19828
19829         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
19830         dwarf2out_note_section_used if cold_text_section is NULL.
19831
19832 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
19833
19834         PR gcov-profile/34610
19835         * tree-cfg.c (make_edges): Mark both outgoing edges from
19836         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
19837         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
19838         from OMP_FOR and OMP_CONTINUE outgoing edges.
19839
19840         * tree-profile.c (tree_profiling): Return early if
19841         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
19842         at the end.
19843         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
19844         from cfun to child_cfun.
19845         * function.h (struct function): Add after_tree_profile bit.
19846
19847 2008-01-19 Anatoly Sokolov <aesok@post.ru>
19848
19849         * config/avr/avr.S (_exit): Disable interrupt.
19850
19851 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
19852             Steven Bosscher  <stevenb.gcc@gmail.com>
19853
19854         PR rtl-optimization/26854
19855         PR rtl-optimization/34400
19856         * df-problems.c (df_live_scratch): New scratch bitmap.
19857         (df_live_alloc): Allocate df_live_scratch when doing df_live.
19858         (df_live_reset): Clear the proper bitmaps.
19859         (df_live_bb_local_compute): Only process the artificial defs once
19860         since the order is not important.
19861         (df_live_init): Init the df_live sets only with the variables
19862         found live by df_lr.
19863         (df_live_transfer_function): Use the df_lr sets to prune the
19864         df_live sets as they are being computed.
19865         (df_live_free): Free df_live_scratch.
19866
19867 2008-01-18  Ian Lance Taylor  <iant@google.com>
19868
19869         * common.opt: Add fmerge-debug-strings.
19870         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
19871         flag_merge_debug_strings rather than flag_merge_constants.
19872         * doc/invoke.texi (Option Summary): Mention
19873         -fmerge-debug-strings.
19874         (Debugging Options): Document -fmerge-debug-strings.
19875
19876 2008-01-18  Ian Lance Taylor  <iant@google.com>
19877
19878         PR c++/33407
19879         * tree.h (DECL_IS_OPERATOR_NEW): Define.
19880         (struct tree_function_decl): Add new field operator_new_flag.
19881         * tree-inline.c (expand_call_inline): When inlining a call to
19882         operator new, force the return value to go into a variable, and
19883         set DECL_NO_TBAA_P on that variable.
19884         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
19885
19886 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
19887
19888         PR debug/34484
19889         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
19890         DWARF2_DEBUGGING_INFO.
19891         (dwarf2out_note_section_used): Ditto.  Add prototype.
19892         (have_multiple_function_sections, text_section_used,
19893         cold_text_section_used, *cold_text_sections): Move declarations
19894         before their uses.
19895
19896 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
19897
19898         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
19899         field and add signal_ra.
19900         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
19901         assignments to frame state pc.  Move end of stack check after
19902         MD_FALLBACK_FRAME_STATE_FOR.
19903         (uw_update_context_1): Use frame state signal_regs if set, instead
19904         of checking signal_frame flag.
19905         (uw_update_context): Use frame state signal_ra if set.
19906         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
19907         * config/xtensa/linux-unwind.h: New file.
19908
19909 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
19910
19911         * modulo-sched.c (get_sched_window): Fix comment typo.
19912
19913 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
19914
19915         PR tree-optimization/34648
19916         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
19917
19918 2008-01-17  Anatoly Sokolov <aesok@post.ru>
19919
19920         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
19921         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
19922
19923 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
19924
19925         PR rtl-optimization/34400
19926         * df-core.c (df_worklist_dataflow_overeager,
19927         df_worklist_dataflow_doublequeue): New functions.
19928         (df_worklist_dataflow): Two different worklist solvers.
19929         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
19930         New param.
19931
19932 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19933
19934         PR testsuite/34821
19935         * doc/invoke.texi: Document the dependence on pthread for fopenmp
19936         and ftree-parallelize-loops.
19937
19938 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
19939
19940         PR rtl-optimization/34826
19941         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
19942
19943 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
19944
19945         * global.c (find_reg): Mark the eh regs as used if necessary.
19946         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
19947         * ra.h (struct allocno): no_eh_reg field added.  Changed
19948         no_stack_reg type to bitfield.
19949
19950 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
19951
19952         * tree.c (substitute_in_expr): Add missing 'break'.
19953
19954 2008-01-17  Richard Guenther  <rguenther@suse.de>
19955
19956         PR tree-optimization/34825
19957         * tree-ssa-math-opts.c (is_division_by): Do not recognize
19958         x / x as division to handle.
19959
19960 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19961
19962         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
19963         "-pthread" is specified.
19964         * pa-hpux11.h (LIB_SPEC): Likewise.
19965
19966 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
19967             Peter Bergner  <bergner@vnet.ibm.com>
19968
19969         PR rtl-optimization/33796
19970         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
19971
19972 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19973
19974         PR libgfortran/34699
19975         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
19976         static links.
19977         * pa-hpux10.h (LINK_SPEC): Likewise.
19978         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
19979
19980 2008-01-16  Richard Guenther  <rguenther@suse.de>
19981
19982         PR middle-end/32628
19983         * fold-const.c (fold_convert_const_int_from_int): Do not
19984         set overflow if that occured only because of a sign extension
19985         change when converting from/to a sizetype with the same
19986         precision and signedness.
19987
19988 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
19989
19990         PR debug/34249
19991         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
19992         location address to the correct place.  Update copyright year.
19993
19994 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19995
19996         * lambda-code.c (lambda_transform_legal_p): Handle the case of
19997         no dependences in the dependence_relations vector.
19998
19999 2008-01-16  Jan Hubicka  <jh@suse.cz>
20000
20001         PR rtl-optimization/31396
20002         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
20003         * cfg.c (dump_reg_info): Print it.
20004         * regs.h (struct reg_info_t): add freq_calls_crossed.
20005         (REG_FREQ_CALLS_CROSSED): New macro.
20006         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
20007         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
20008         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
20009         regmove_optimize): Update call crossed frequencies.
20010         * local-alloc.c (struct qty): Add freq_calls_crossed.
20011         (alloc_qty): Copute freq_calls_crossed.
20012         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
20013         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
20014         * ra.h (struct allocno): Add freq_calls_crossed.
20015
20016 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20017
20018         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
20019         libgomp when compiling with ftree-parallelize-loops.
20020         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
20021
20022 2008-01-16  Richard Guenther  <rguenther@suse.de>
20023
20024         PR tree-optimization/34769
20025         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
20026         * tree.c (int_cst_value): Instead make this function more
20027         permissive in what it accepts as valid input.  Document this
20028         function always sign-extends the value.
20029
20030 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
20031             Richard Guenther  <rguenther@suse.de>
20032
20033         PR c/34668
20034         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20035         (gimple_fold_indirect_ref_rhs): ... this.
20036         (gimple_fold_indirect_ref): New function with foldings
20037         that preserve lvalueness.
20038         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
20039         * tree-flow.h (gimple_fold_indirect_ref): Declare.
20040         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
20041         to fold an INDIRECT_REF, fall back to the old use of
20042         fold_indirect_ref_1.
20043
20044 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20045
20046         * tree-data-ref.c (subscript_dependence_tester_1): Call
20047         free_conflict_function.
20048         (compute_self_dependence): Same.
20049
20050 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20051
20052         PR debug/34249
20053         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
20054         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
20055         function global.
20056         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
20057         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
20058         for DWARF2_UNWIND_INFO targets.
20059
20060 2008-01-16  Richard Guenther  <rguenther@suse.de>
20061
20062         PR c/34768
20063         * c-typeck.c (common_pointer_type): Do not merge inconsistent
20064         type qualifiers for function types.
20065
20066 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
20067
20068         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
20069         loop_iterator li from previous commit.
20070
20071 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
20072
20073         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
20074
20075 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20076
20077         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
20078         (parallelize_loops): Don't parallelize irreducible components.
20079
20080 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20081
20082         PR c++/24924
20083         * c-opts (c_common_post_options): Do not enable CPP
20084         flag_pedantic_errors by default.
20085
20086 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
20087
20088         PR rtl-optimization/31944
20089         * cse.c (remove_pseudo_from_table): New function.
20090         (merge_equiv_classes): Use above function to remove pseudo-registers.
20091         (invalidate): Likewise.
20092
20093 2008-01-13  Richard Guenther  <rguenther@suse.de>
20094
20095         PR middle-end/34601
20096         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
20097         instead of TYPE_MODE to deal with calls from expand_one_error_var.
20098
20099 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
20100
20101         * gcse.c (cprop_jump): Call validate_unshare_change instead of
20102         validate_change to unshare the source of the PC set.
20103
20104 2008-01-12  Jan Hubicka  <jh@suse.cz>
20105
20106         PR middle-end/32135
20107         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
20108         references above array bounds.  This might trigger bounds checks for
20109         pointers to arrays.
20110
20111 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20112
20113         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
20114         new_replaceable_dependencies.
20115
20116 2008-01-12  Doug Kwan  <dougkwan@google.com>
20117
20118         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
20119         instead of OPT_Wreturn_type in warning due to ignored return type
20120         qualifiers.
20121         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
20122         options included in -Wextra.
20123         * c.opt: New option -Wignored_qualifiers.
20124         * doc/invoke.texi (Warning Options, -Wextra): Add new option
20125         -Wignore_qualifiers.
20126         (-Wignored-qualifiers): Document.
20127         (-Wreturn-type): Remove description of functionality now handled
20128         by -Wignored-qualifiers.
20129
20130 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
20131
20132         PR ada/33788
20133         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
20134         NOP_EXPR if it is between integral types with the same precision.
20135
20136 2008-01-12  Jan Hubicka  <jh@suse.cz>
20137
20138         PR other/28023
20139         * invoke.texi (max-inline-recursive-depth): Fix default value.
20140
20141 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
20142
20143         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
20144         correct type.
20145
20146 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
20147
20148         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
20149
20150 2008-01-11  James E. Wilson  <wilson@specifix.com>
20151
20152         PR target/26015
20153         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
20154
20155 2008-01-11  Anatoly Sokolov <aesok@post.ru>
20156
20157         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
20158         save/restore frame pointer register and don't use 'call-prologues'
20159         optimization in function with "OS_task" attribute.
20160
20161 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
20162
20163         PR middle-end/31309
20164         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
20165         when copying to memory.
20166
20167 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
20168
20169         PR rtl-optimization/30905
20170         * cfgcleanup.c: Include dce.h
20171         (crossjumps_occured): New global variable.
20172         (try_crossjump_bb): Exit loop after finding a fallthru edge.
20173         If something changed, set crossjumps_occured to true.
20174         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
20175         Don't add/remove fake edges to exit here...
20176         (cleanup_cfg): ...but do it here, when crossjumping.
20177         Run a fast DCE when successful crossjumps occured in the latest
20178         iteration of try_optimize_cfg.
20179
20180 2008-01-11  Richard Guenther  <rguenther@suse.de>
20181
20182         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
20183         (struct vn_unary_op_s): Likewise.
20184         (vn_reference_insert): Free old reference on hash collision.
20185
20186 2008-01-10  Raksit Ashok  <raksit@google.com>
20187
20188         PR rtl-optimization/27971
20189         * combine.c (find_split_point): Split PLUS expressions which are
20190         inside a MEM rtx, and whose first operand is complex.
20191
20192 2008-01-10  DJ Delorie  <dj@redhat.com>
20193
20194         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20195         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20196         (m32c_hard_regno_ok): Call the underlying function.
20197
20198 2008-01-10  Richard Guenther  <rguenther@suse.de>
20199
20200         PR middle-end/34683
20201         * tree-cfg.c (tree_merge_blocks): Do not go through the
20202         full-blown folding and stmt updating path if we just deal
20203         with virtual operands.
20204         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20205         test for abnormal SSA_NAMEs.
20206
20207 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20208
20209         PR middle-end/34641
20210         * reload.c (push_reload): Add assertions.  All constants from
20211         reg_equiv_constant should have been used for replacing the respective
20212         pseudo earlier.
20213         (find_reloads_address): Invoke find_reloads_address_part for
20214         constant taken from the reg_equiv_constant array.
20215
20216 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20217
20218         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20219         field (valnum) the first in the struct.  Replace bools with
20220         unit bit fields.
20221
20222 2008-01-10  Richard Guenther  <rguenther@suse.de>
20223
20224         PR tree-optimization/34651
20225         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20226         types and ordering for masking and converting.
20227
20228 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20229
20230         PR tree-optimization/34017
20231         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20232         also for PHI_NODE expressions.
20233
20234 2008-01-09  Jan Hubicka  <jh@suse.cz>
20235
20236         PR tree-optimization/34708
20237         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20238         based on number of case labels.
20239         (init_inline_once): Remove switch_cost.
20240         * tree-inline.h (eni_weights_d): Remove switch_cost.
20241
20242 2008-01-09  Richard Guenther  <rguenther@suse.de>
20243         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20244
20245         PR middle-end/30132
20246         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20247         temporary if an rvalue is ok or an lvalue is not required.
20248
20249 2008-01-09  Richard Guenther  <rguenther@suse.de>
20250
20251         PR middle-end/34458
20252         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20253         adjust return type.
20254
20255 2008-01-09  Richard Guenther  <rguenther@suse.de>
20256
20257         PR middle-end/34679
20258         * tree.c (host_integerp): Check for sizetype only if the
20259         type is an integer type.
20260
20261 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20262
20263         PR debug/26364
20264         * opts.c (decode_options): Disable inlining of functions called
20265         once if not in unit-at-a-time mode.
20266
20267 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20268
20269         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20270
20271 2008-01-08  Richard Guenther  <rguenther@suse.de>
20272
20273         PR middle-end/31863
20274         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20275         out early if the result will be unused.
20276
20277 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20278
20279         PR target/34709
20280         Revert:
20281
20282         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20283         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20284         for TARGET_RECIP.
20285
20286 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20287
20288         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20289         for vectorization tuned.
20290
20291 2008-01-08  Richard Guenther  <rguenther@suse.de>
20292
20293         PR tree-optimization/34683
20294         * tree-ssa-operands.c (operand_build_cmp): Export.
20295         * tree-ssa-operands.h (operand_build_cmp): Declare.
20296         * tree-vn.c (vuses_compare): Remove.
20297         (sort_vuses): Use operand_build_cmp.
20298         (sort_vuses_heap): Likewise.
20299         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20300         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20301         (vdefs_to_vec): Do not sort already sorted VDEFs.
20302
20303 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20304
20305         PR middle-end/34694
20306         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20307
20308 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20309
20310         PR target/34702
20311         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20312         limitations of reciprocal sequences on x86 targets.
20313
20314 2008-01-08  Richard Guenther  <rguenther@suse.de>
20315
20316         PR tree-optimization/34683
20317         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20318
20319 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20320
20321         PR target/34622
20322         * config/darwin.c (darwin_mergeable_string_section): Don't use
20323         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20324
20325 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20326
20327         PR target/34682
20328         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20329         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20330         predicates of op0 and op1 to register_operand.
20331         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20332         expander using X87MODEF mode iterator.  Change predicates of
20333         op0 and op1 to register_operand.
20334         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20335         corresponding patterns and macroize using MODEF macro.  Change
20336         predicates of op0 and op1 to register_operand and remove
20337         "m" constraint. Disparage "r" alternative with "!".
20338         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20339         macroize using X87MODEF macro.  Change predicates of op0 and op1
20340         to register_operand and remove "m" constraint.  Disparage "r"
20341         alternative with "!".
20342         (absneg splitter with memory operands): Remove.
20343         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20344         patterns and macroize using X87MODEF mode iterator.
20345         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20346         Change predicate of op1 to register_operand.
20347         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20348         for memory operands.
20349
20350 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20351
20352         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20353
20354 2008-01-07  Richard Guenther  <rguenther@suse.de>
20355
20356         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20357         fields.
20358
20359 2008-01-07  Richard Guenther  <rguenther@suse.de>
20360
20361         PR tree-optimization/34683
20362         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20363         VOPs of the needed size to save memory.  Use VEC_quick_push
20364         to save compile-time.
20365         (vdefs_to_vec): Likewise.
20366
20367 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20368
20369         * config/spu/spu.md (divdf3): Genetate inline code for double
20370         division.  The implementation doesn't handle INF or NAN, therefore it
20371         only applies when -ffinite-math-only is given.
20372
20373 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20374
20375         PR libstdc++/34680
20376         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20377         * doc/cpp.texi ([Common Predefined Macros]): Document.
20378
20379 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20380
20381         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20382         order to use commutative addition instead of subtraction.
20383
20384 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20385             Mircea Namolaru  <namolaru@il.ibm.com>
20386             Vladimir Yanovsky  <yanov@il.ibm.com>
20387             Revital Eres  <eres@il.ibm.com>
20388
20389         PR tree-optimization/34263
20390         * tree-outof-ssa.c (process_single_block_loop_latch,
20391         contains_tree_r): New functions.
20392         (analyze_edges_for_bb): Call process_single_block_loop_latch
20393         function to empty single-basic-block latch block if possible.
20394
20395 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20396
20397         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20398         for TARGET_RECIP.
20399         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
20400
20401 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20402
20403         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
20404
20405 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20406
20407         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
20408
20409 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
20410
20411         PR tree-optimization/34618
20412         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
20413         flag from T.
20414
20415 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20416
20417         PR target/34673
20418         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
20419         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
20420         Update copyright year.
20421
20422         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
20423         Update copyright year.
20424         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
20425         using NR fixup.
20426
20427 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
20428
20429         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
20430         edge does not point to current bb before changing need_assert.
20431
20432 2008-01-04  Richard Guenther  <rguenther@suse.de>
20433
20434         PR middle-end/34029
20435         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
20436         for verifying purposes if they are is_gimple_min_invariant.
20437
20438 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
20439
20440         PR tree-optimization/34448
20441         PR tree-optimization/34465
20442         * gimplify.c (gimplify_init_constructor): Add new parameter
20443         notify_temp_creation.  Use it.
20444         (gimplify_modify_expr_rhs): Take volatiles into account when
20445         optimizing constructors.
20446         Do not optimize constructors if gimplify_init_constructor will dump to
20447         memory.
20448         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
20449         * gcc.c-torture/compile/pr34448.c: New.
20450
20451 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
20452
20453         PR gcov-profile/34609
20454         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
20455         return_slot if result is TREE_ADDRESSABLE.
20456
20457 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
20458
20459         * config/mips/mips.md (sqrt_condition): Tweak comment.
20460         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
20461
20462 2008-01-03  Tom Tromey  <tromey@redhat.com>
20463
20464         PR c/34457
20465         * c-common.c (c_type_hash): Handle VLAs.
20466
20467 2008-01-03  Jan Hubicka  <jh@suse.cz>
20468
20469         PR tree-optimization/31081
20470         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
20471         0 when inlining and not inlining to first basic block.
20472         (remap_decl): When var is initialized to 0, don't set default_def.
20473         (expand_call_inline): Set entry_bb.
20474         * tree-inline.h (copy_body_data): Add entry_bb.
20475
20476 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20477
20478         PR c++/34619
20479         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
20480         before returning.
20481
20482         PR tree-optimization/29484
20483         * tree-inline.c (inline_forbidden_p_2): New function.
20484         (inline_forbidden_p): Disallow inlining if some static var
20485         has an address of a local LABEL_DECL in its initializer.
20486         * doc/extend.texi (Labels as Values): Document &&foo behaviour
20487         vs. inlining.
20488
20489 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
20490
20491         PR tree-optimization/34635
20492         * tree-data-ref.c (add_other_self_distances): Make sure that the
20493         evolution step is constant.
20494
20495 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20496
20497         PR middle-end/34608
20498         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
20499
20500 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
20501
20502         * tree-sra.c (scalarize_init): Insert the generate_element_init
20503         statements after the generate_element_zero statements.
20504
20505 2008-01-02  Richard Guenther  <rguenther@suse.de>
20506
20507         PR middle-end/34093
20508         PR middle-end/31976
20509         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
20510         for very large number of operands instead of ICEing.
20511
20512 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
20513
20514         PR target/34013
20515         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
20516         while stack probing.
20517
20518 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
20519
20520         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
20521         in C++0x mode.
20522
20523 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
20524
20525         PR libmudflap/26442
20526         * tree-mudflap.c (mx_register_decls): Guard warning by
20527         !DECL_ARTIFICIAL check.
20528
20529 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
20530
20531         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
20532         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
20533         sse5_perm<mode>): Fix constraints.