gcc/ChangeLog

   1 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
   2
   3         PR rtl-optimization/29841
   4         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
   5         trap instructions.
   6         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
   7         that may cause control flow transfer from being moved.
   8
   9 2007-04-18  Jan Hubicka  <jh@suse.cz>
  10
  11         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
  12         types.
  13
  14 2007-04-18  Eric Christopher  <echristo@apple.com>
  15
  16         * config/rs6000/darwin.md (load_macho_picbase): Use link register
  17         only. Update operands.
  18         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
  19         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
  20         link register to pic register.
  21
  22 2007-04-18  Dirk Mueller  <dmueller@suse.de>
  23
  24         PR diagnostic/31227
  25         * tree-vrp.c (search_for_addr_array): New.
  26         (check_array_bounds): Suppress warning about
  27         address taken of array refs if its not de-referenced.
  28
  29 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
  30
  31         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
  32         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
  33
  34         * tree-vectorizer.h (NITERS_KNOWN_P): New.
  35         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
  36         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
  37
  38         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
  39         dump print.
  40         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
  41         print message.
  42         (vect_analyze_scalar_cycles): Fix indentation.
  43         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
  44         (vect_mark_relevant): Include phis in relevance analysis.
  45
  46         * tree-vect-transform.c (vect_transform_loop): Add an assert.
  47
  48 2007-04-18  Anatoly Sokolov <aesok@post.ru>
  49
  50         * config/avr/avr.c (ptrreg_to_str): Replace error() with
  51         output_operand_lossage().
  52
  53 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
  54
  55         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
  56         the unused code for reduction without adjust-in-epilog to simplify the
  57         function.
  58
  59 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
  60
  61         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
  62         (S390_TDC_NEGATIVE_ZERO): New constant.
  63         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
  64         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
  65         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
  66         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
  67         (S390_TDC_POSITIVE_INFINITY): New constant.
  68         (S390_TDC_NEGATIVE_INFINITY): New constant.
  69         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
  70         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
  71         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
  72         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
  73         (S390_TDC_INFINITY): New constant.
  74         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
  75         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
  76         optimization for UNSPEC_CCZ_TO_INT.
  77         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
  78         ("*ccz_to_int"): New insn.
  79         ("isinf<mode>2"): New insn.
  80         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
  81         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
  82         (UNSPEC_CCZ_TO_INT): New constant.
  83
  84 2007-04-18  Richard Guenther  <rguenther@suse.de>
  85
  86         PR tree-optimization/19431
  87         PR tree-optimization/21463
  88         * tree-pass.h (pass_phiprop): Declare.
  89         * passes.c (init_optimization_passes): New phiprop pass.
  90         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
  91         (phivn_valid_p): New helper function.
  92         (phiprop_insert_phi): Likewise.
  93         (propagate_with_phi): Likewise.
  94         (tree_ssa_phiprop): New propagator propagating loads
  95         through phi nodes if profitable.
  96
  97 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
  98
  99         * tree-vect-analyze.c (process_use): New function.
 100         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
 101         Check phis in all bbs.
 102         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
 103         assert.
 104
 105 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 106
 107         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
 108         we use REG_EQUAL.
 109
 110 2007-04-17  Anatoly Sokolov <aesok@post.ru>
 111
 112         PR target/30483
 113         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
 114         error().
 115
 116 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
 117
 118         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
 119         on "0".
 120         (sse_vmmulv4sf3): Likewise.
 121         (sse2_vmaddv2df3): Likewise.
 122         (sse2_vmmulv2df3): Likewise.
 123
 124 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
 125
 126         PR rtl-optimization/31360
 127         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
 128         (target_reg_cost): New.
 129         (init_set_costs): Initialize target_reg_cost.  Add comments
 130         regarding the rationale of the costs.
 131         (global_cost_for_size): Renamed to...
 132         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
 133         of register pressure.
 134         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
 135         estimate_reg_pressure_cost.  Add number of ivs.
 136         (determine_set_costs): Dump target_reg_cost.
 137         * loop-invariant.c (gain_for_invariant):  Use
 138         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
 139         (best_gain_for_invariant, find_invariants_to_move): Remove
 140         n_inv_uses.
 141         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
 142         (target_reg_cost): Declare.
 143         (global_cost_for_size): Declaration removed.
 144         (estimate_reg_pressure_cost): Declare.
 145
 146 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
 147
 148         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
 149         regnos into even/odd register pairs.
 150         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
 151         TDmode similar to the other floating point modes.
 152         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
 153         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
 154         define_expand's.
 155         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
 156         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
 157         (movdd_hardfloat64): Use TARGET_MFPGPR.
 158
 159 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
 160
 161         * reload1.c (delete_output_reload): Don't count output in n_inherited.
 162
 163         Revert
 164         2005-01-05  Richard Henderson  <rth@redhat.com>
 165         PR rtl-opt/10692
 166         * reload1.c (do_input_reload): Restrict the optimization deleteing
 167         a previous output reload to RELOAD_FOR_INPUT.
 168
 169 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
 170
 171         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
 172         induc_vec_info_type.
 173         (vectorizable_induction): New function declaration.
 174         * tree-vect-transform.c (get_initial_def_for_induction): No need to
 175         check if already vectorized.  Find first place in BB where new stmts
 176         can be inserted.  Takes only one argument.
 177         (vectorizable_induction): New function.
 178         (vect_transform_stmt): Add case for induc_vec_info_type to call
 179         vectorizable_induction.
 180         (vect_transform_loop): Consider phis for vectorization.
 181         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
 182         condition.
 183         (analyze_operations): Call vectorizable_induction when analyzing phis.
 184         Fix comment.
 185         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
 186         (vect_mark_relevant): Include phis in relevance analysis.
 187         (vect_mark_stmts_to_be_vectorize): Likewise.
 188         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
 189
 190 2007-04-16  Lawrence Crowl  <crowl@google.com>
 191
 192         * doc/invoke.texi (Debugging Options): Add documentation for the
 193         -femit-struct-debug options -femit-struct-debug-baseonly,
 194         -femit-struct-debug-reduced, and
 195         -femit-struct-debug-detailed[=...].
 196
 197         * c-opts.c (c_common_handle_option): Add
 198         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
 199         and OPT_femit_struct_debug_detailed_.
 200         * c.opt: Add specifications for
 201         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
 202         and -femit-struct-debug-detailed[=...].
 203         * opts.c (set_struct_debug_option): Parse the
 204         -femit-struct-debug-... options.
 205         * opts.c (matches_main_base, main_input_basename,
 206         main_input_baselength, base_of_path, matches_main_base): Add
 207         variables and functions to compare header base name to compilation
 208         unit base name.
 209         * opts.c (should_emit_struct_debug): Add to determine to emit a
 210         structure based on the option.
 211         (dump_struct_debug) Also disabled function to debug this
 212         function.
 213         * opts.c (handle_options): Save the base name of the
 214         compilation unit.
 215
 216         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
 217         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
 218         This hook indicates if a type is generic.  Set it by default
 219         to "never generic".
 220         * langhooks.h (struct lang_hooks_for_types): Add a new hook
 221         to determine if a struct type is generic or not.
 222         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
 223         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
 224         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
 225         with live C++ hook.
 226
 227         * flags.h (enum debug_info_usage): Add an enumeration to describe
 228         a program's use of a structure type.
 229         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
 230         to indicate the program's usage of the type.  Filter structs based
 231         on the -femit-struct-debug-... specification.
 232         (gen_type_die): Split into two routines, gen_type_die and
 233         gen_type_die_with_usage.  gen_type_die is now a wrapper
 234         that assumes direct usage.
 235         (gen_type_die_with_usage): Replace calls to gen_type_die
 236         with gen_type_die_with_usage adding the program usage of
 237         the referenced type.
 238         (dwarf2out_imported_module_or_decl): Suppress struct debug
 239         information using should_emit_struct_debug when appropriate.
 240
 241 2007-04-16  Ian Lance Taylor  <iant@google.com>
 242
 243         PR tree-optimization/31522
 244         * tree-vrp.c (vr_phi_edge_counts): New static variable.
 245         (vrp_initialize): Allocate vr_phi_edge_counts.
 246         (vrp_visit_phi_node): Don't push to infinity if we saw a new
 247         executable edge.  Drop test for all constants.
 248         (vrp_finalize): Free vrp_phi_edge_counts.
 249
 250         * doc/cpp.texi (Common Predefined Macros): Clarify description of
 251         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 252
 253         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
 254         predecessors at head rather than tail.
 255
 256 2007-04-16  Matthias Klose  <doko@debian.org>
 257
 258         * gcc/config/alpha/linux.h (CPP_SPEC): Define.
 259         * gcc/config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
 260
 261 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
 262
 263         * function.h: Remove sequence_stack extern declaration.
 264
 265 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 266
 267         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
 268         TARGET_FIDOA.
 269         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
 270         defined.
 271
 272 2007-04-16  Anatoly Sokolov <aesok@post.ru>
 273
 274         * config/avr/avr.c (avr_arch_types): Rearranging  array.
 275         (enum avr_arch): Add.
 276         (avr_mcu_types): Use avr_arch enumeration constants instead of
 277         numbers.
 278         * config/avr/avr.h (LINK_SPEC): Simplify.
 279
 280 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
 281
 282         * config/m68k/m68k.c (m68k_libcall_value,
 283         m68k_function_value): Use macros for register names more.
 284
 285         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
 286         instead.
 287         (M68K_REGNAME): Use A6_REG.
 288         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
 289
 290 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 291
 292         PR middle-end/28071
 293         * sched-int.h (struct deps): Split field 'pending_lists_length' into
 294         'pending_read_list_length' and 'pending_write_list_length'.  Update
 295         comment.
 296         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
 297         to handle two length counters instead of one.  Update all uses.
 298         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
 299         two length counters instead of one.
 300         * sched-rgn.c (propagate_deps): Update to handle two length counters
 301         instead of one.
 302
 303 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
 304
 305         PR target/31582
 306         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
 307         copy of source, pass it to ix86_expand_vector_set and return
 308         it as target.
 309
 310 2007-04-16  David Ung  <davidu@mips.com>
 311             Joseph Myers  <joseph@codesourcery.com>
 312
 313         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
 314         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
 315         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
 316         Add 74K processor information.
 317         * config/mips/mips.md: Include 74k.md.
 318         (cpu): Add 74kc,74kf,74kx.
 319         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
 320         * config/mips/74k.md: New.
 321         * doc/invoke.texi (MIPS Options): Document 74K support.
 322
 323 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
 324
 325         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
 326         vectorizable_* functions.
 327         * tree-vect-transform.c (vectorizable_call): Add check for
 328         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
 329         (vectorizable_store): likewise.
 330         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
 331         Add comments.
 332         (vectorizable_operation, vectorizable_type_demotion): Likewise.
 333         (vectorizable_type_promotion, vectorizable_load): Likewise.
 334         (vectorizable_live_operation, vectorizable_condition): Likewise.
 335         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
 336         STMT_VINFO_LIVE_P.
 337         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
 338
 339 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 340
 341         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
 342         register numbers more.
 343         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
 344         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
 345         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
 346         FUNCTION_VALUE_REGNO_P): Likewise.
 347         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
 348         STATIC_CHAIN_REGNUM): Likewise.
 349         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
 350         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
 351         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
 352         * config/m68k/m68k.md (FP_REG): New.
 353
 354 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 355
 356         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
 357         alignment on fido.
 358
 359 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 360
 361         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
 362         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
 363         comment typos.
 364
 365 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 366
 367         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
 368         cold loops.
 369
 370 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 371
 372         PR c/31520
 373         * c-decl.c (finish_decl): Grab the type of the decl after the call
 374         to store_init_value.
 375
 376 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
 377
 378         * common.opt (fforward-propagate): Fix "Optimization" annotation.
 379
 380 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
 381
 382         PR c++/25874
 383         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
 384         post dominators and cleanup cfg before returning.
 385
 386 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
 387
 388         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
 389         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
 390
 391 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
 392
 393         * config.gcc: Recognize fido.
 394         * config/m68k/m68k-devices.def (fidoa): New.
 395         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
 396         __mfido__.
 397         (FL_FIDOA, TARGET_FIDOA): New.
 398         * config/m68k/m68k.opt (mfidoa): New.
 399
 400 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 401
 402         PR middle-end/31322
 403         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
 404         when a personality function is used.
 405
 406 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
 407
 408         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
 409
 410 2007-04-13  Mike Stump  <mrs@apple.com>
 411
 412         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
 413         we can...
 414         * config/darwin.opt (fapple-kext): Make C++ only.
 415         * config/darwin.c (darwin_override_options): Remove code to ensure
 416         -fapple-kext is given for C++ only.
 417
 418 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
 419
 420         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
 421         * config/mips/mips.c (override_options): Call
 422         SUBTARGET_OVERRIDE_OPTIONS, if defined.
 423
 424 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
 425
 426         * config/i386/i386.opt (msvr3-shlib): Removed.
 427
 428         * doc/invoke.texi: Remove -msvr3-shlib.
 429
 430 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
 431
 432         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
 433         with "popcnt" instruction.
 434
 435 2007-04-13  Richard Guenther  <rguenther@suse.de>
 436
 437         PR tree-optimization/21258
 438         * tree-vrp.c (compare_case_labels): New helper.
 439         (find_switch_asserts): New function.
 440         (find_assert_locations): Call it for SWITCH_EXPRs.
 441
 442 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
 443
 444         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
 445         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
 446         check is now implied in X87_FLOAT_MODE_P.
 447         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 448         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 449         (fix_trunc<mode>_i386_fisttp): Ditto.
 450         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 451         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 452         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 453         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 454         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 455         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 456         (unnamed_splitters): Ditto.
 457         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
 458         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
 459         FIRST_SSE_REG for local functions when SSE math is enabled or
 460         for functions with sseregparm attribute.
 461         (standard_80387_constant_p): Return -1 if mode is not
 462         X87_FLOAT_MODE_P.
 463         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
 464         (ix86_expand_compare): Ditto.
 465         (ix86_expand_carry_flag_compare): Ditto.
 466         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
 467         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
 468         DECIMAL_FLOAT_MODE_P.
 469         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
 470         of SCALAR_FLOAT_MODE_P.
 471         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
 472         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
 473         checks before FLOAT_MODE_P.
 474         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
 475         before FLOAT_MODE_P.
 476         [DIV]: Ditto.
 477         [NEG]: Ditto.
 478         [ABS]: Ditto.
 479         [SQRT]: Ditto.
 480         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
 481
 482 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
 483             Charles Wilson  <libtool@cwilson.fastmail.fm>
 484
 485         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
 486         (libgcc.mvars): Don't depend on them.
 487         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
 488         * exec-tool.in: New.
 489
 490 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
 491
 492         * doc/invoke.text (--help): Document --help=common.
 493
 494 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
 495
 496         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
 497
 498 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 499
 500         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
 501         * genemit.c (main): Emit #include "integrate.h".
 502         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
 503         (LOADGP_RTP): New mips_loadgp_style.
 504         * config/mips/mips.h: Include config/vxworks-dummy.h.
 505         (TARGET_RTP_PIC): New macro.
 506         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
 507         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
 508         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
 509         for TARGET_RTP_PIC.
 510         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
 511         -mvxworks-pic when using -mrtp and a PIC option.
 512         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
 513         for RTP PIC.
 514         (mips_symbolic_constant_p, mips_symbolic_address_p)
 515         (mips_symbol_insns): Handle SYMBOL_HALF.
 516         (override_options): Warn about -G and -mrtp being used together.
 517         Initialize mips_lo_relocs[SYMBOL_HALF].
 518         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
 519         (mips_emit_loadgp): Handle LOADGP_RTP.
 520         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
 521         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
 522         (tablejump): Handle function-relative case table entries if
 523         TARGET_RTP_PIC.
 524         * config/mips/predicates.md (symbol_ref_operand): New predicate.
 525
 526 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 527
 528         * config/mips/mips.md (load_call<mode>): Allow any general register.
 529         destination.
 530         (sibcall_value_internal, sibcall_value_multiple_internal)
 531         (call_value_internal, call_value_split, call_value_multiple_internal)
 532         (call_value_multiple_split): Remove constraints from operand 0.
 533
 534 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 535
 536         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
 537         rather than loadgp_noshared.
 538         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
 539         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
 540         gen_loadgp.
 541         * config/mips/mips.md (loadgp): Rename to...
 542         (loadgp_newabi): ...this.
 543         (loadgp_noshared): Rename to...
 544         (loadgp_absolute): ...this.
 545
 546 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 547
 548         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
 549         false for locally-binding symbols.
 550         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
 551
 552 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 553
 554         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
 555         (SYMBOL_GOT_PAGE_OFST): ...this.
 556         (SYMBOL_GOT_GLOBAL): Rename to...
 557         (SYMBOL_GOT_DISP): ...this.
 558         (SYMBOL_GOTOFF_GLOBAL): Rename to...
 559         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
 560         * config/mips/mips.c (mips_global_symbol_p): New function.
 561         (mips_symbol_binds_local_p): Likewise.
 562         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
 563         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
 564         and mips_symbol_binds_local_p.
 565         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 566         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
 567         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
 568         SYMBOL_GOTOFF_DISP.
 569         (mips_ok_for_lazy_binding_p): New function.
 570         (mips_load_call_address, mips_expand_call): Use it.
 571         (mips_dangerous_for_la25_p): Likewise.
 572         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
 573         (*got_disp<mode>): Use got_disp_operand instead of
 574         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
 575         SYMBOL_GOTOFF_GLOBAL.
 576         (*got_page<mode>): Use got_page_ofst_operand instead of
 577         local_got_operand.
 578         * config/mips/predicates.md (const_call_insn_operand): Use
 579         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
 580         (global_got_operand): Rename to...
 581         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
 582         SYMBOL_GOT_GLOBAL.
 583         (local_got_operand): Rename to...
 584         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
 585         of SYMBOL_GOT_LOCAL.
 586
 587 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 588
 589         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
 590         TARGET_CALL_CLOBBERED_GP.
 591         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 592         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
 593         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
 594         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
 595         of TARGET_ABICALLS && !TARGET_NEWABI.
 596         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 597         * config/mips/mips.c (mips_load_call_address): Check
 598         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 599         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 600         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 601         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
 602         TARGET_ABICALLS && TARGET_NEWABI.
 603         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
 604         TARGET_ABICALLS.
 605         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
 606         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
 607         TARGET_ABICALLS && TARGET_NEWABI.
 608         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
 609         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
 610         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
 611         whether indirect calls must use $25.
 612         (mips_extra_live_on_entry): Check TARGET_GOT instead of
 613         TARGET_ABICALLS.
 614         * config/mips/mips.md (jal_macro): Check flag_pic and
 615         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
 616         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
 617         instead of TARGET_ABICALLS.
 618         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
 619         TARGET_ABICALLS && TARGET_OLDABI.
 620         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 621         (sibcall): In the comment above the define_insn, mention
 622         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
 623         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
 624         instead of TARGET_ABICALLS.
 625
 626 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 627
 628         * doc/md.texi (Blackfin family constraints): Document PA and PB.
 629         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
 630         (MACFLAGS_MATCH_P): New macro.
 631         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
 632         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
 633         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
 634         the other MACFLAG constants.
 635         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
 636         (flag_machi): Tighten constraints.  Renumber some of the operands.
 637         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
 638         output template.
 639         (flag_machi_parts_acconly): New pattern.
 640         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
 641         used.
 642         (flag_macinit1hi): Tighten constraints.
 643         (flag_mul_macv2hi_parts_acconly): New pattern.
 644
 645         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
 646         Use a more efficient implementation.
 647         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
 648         inline sequences when not optimizing for size.
 649
 650         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
 651         movhi_high2low): Delete, merge functionality into...
 652         (packv2hi): ... this pattern.
 653
 654         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
 655         * config/bfin/bfin.opt (msim): New option.
 656         (mcpu=): New option.
 657         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
 658         (bfin_cpu_t): Typedef of enum bfin_cpu.
 659         (bfin_cpu_type): New declaration.
 660         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
 661         -msim and -mcpu= options.
 662         (LIB_SPEC): Likewise.
 663         * config/bfin/bfin.c (bfin_cpu_type): Define.
 664         (bfin_handle_option): Handle -mcpu= option.
 665         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
 666         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
 667         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
 668
 669 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 670
 671         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
 672         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
 673         (powerpc-wrs-vxworksae): Use ${tm_file}.
 674         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
 675         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
 676         * config/i386/vx-common.h: New file.
 677
 678 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 679
 680         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
 681         of crt0.o%s.
 682
 683 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 684
 685         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
 686         ldxtr.
 687
 688 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
 689
 690         PR c++/31078
 691         PR c++/31103
 692         * c-common.c (c_build_qualified_type): Set canonical type
 693         appropriately.
 694
 695 2007-04-12  Richard Guenther  <rguenther@suse.de>
 696
 697         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
 698         lower bound and element size if lower bound is not zero
 699         or either of the ARRAY_REF operands is set.
 700
 701 2007-04-12  Richard Guenther  <rguenther@suse.de>
 702
 703         PR tree-optimization/24689
 704         PR tree-optimization/31307
 705         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
 706         indices by value.
 707         * gimplify.c (canonicalize_addr_expr): To be consistent with
 708         gimplify_compound_lval only set operands two and three of
 709         ARRAY_REFs if they are not gimple_min_invariant.  This makes
 710         it never at this place.
 711         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
 712
 713 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 714
 715         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
 716         null before emitting a .nsubspa directive.
 717
 718 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 719
 720         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
 721         need_to_partition_p if there are no memory statements in the
 722         function.
 723
 724 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 725
 726         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
 727         (gcd_of_steps_may_divide_p): New function.
 728         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
 729
 730 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 731
 732         * reload.c (find_reloads_toplev, find_reloads_address,
 733         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
 734         not a pointer equality test, to decide if we need to call
 735         push_reg_equiv_alt_mem.
 736
 737 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
 738
 739         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
 740         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
 741         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
 742
 743 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 744
 745         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
 746         vector to be positive.
 747
 748 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 749
 750         PR 30735
 751         PR 31090
 752         * doc/invoke.texi: Document --params max-aliased-vops and
 753         avg-aliased-vops.
 754         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
 755         debug_memory_partitions): Move to tree-flow.h
 756         * params.h (AVG_ALIASED_VOPS): Define.
 757         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
 758         users.
 759         (mp_info_t): Likewise.
 760         (get_mem_sym_stats_for): New.
 761         (set_memory_partition): Move from tree-flow-inline.h.
 762         (mark_non_addressable): Only clear the set of symbols for the
 763         partition if it exists.
 764         (dump_memory_partitions): Move from tree-ssa-operands.c
 765         (debug_memory_partitions): Likewise.
 766         (need_to_partition_p): New.
 767         (dump_mem_ref_stats): New.
 768         (debug_mem_ref_stats): New.
 769         (dump_mem_sym_stats): New.
 770         (debug_mem_sym_stats): New.
 771         (update_mem_sym_stats_from_stmt): New.
 772         (compare_mp_info_entries): New.
 773         (mp_info_cmp): Call it.
 774         (sort_mp_info): Change argument to a list of mem_sym_stats_t
 775         objects.
 776         (get_mpt_for): Move from tree-ssa-operands.c.
 777         (find_partition_for): New.
 778         (create_partition_for): Remove.
 779         (estimate_vop_reduction): New.
 780         (update_reference_counts): New.
 781         (build_mp_info): New.
 782         (compute_memory_partitions): Refactor.
 783         Document new heuristic.
 784         Call build_mp_info, update_reference_counts,
 785         find_partition_for and estimate_vop_reduction.
 786         (compute_may_aliases): Populate virtual operands before
 787         calling debugging dumps.
 788         (delete_mem_sym_stats): New.
 789         (delete_mem_ref_stats): New.
 790         (init_mem_ref_stats): New.
 791         (init_alias_info): Call it.
 792         (maybe_create_global_var): Remove alias_info argument.
 793         Get number of call sites and number of pure/const call sites
 794         from gimple_mem_ref_stats().
 795         (dump_alias_info): Call dump_memory_partitions first.
 796         (dump_points_to_info_for): Show how many times a pointer has
 797         been dereferenced.
 798         * opts.c (decode_options): For -O2 set --param
 799         max-aliased-vops to 500.
 800         For -O3 set --param max-aliased-vops to 1000 and --param
 801         avg-aliased-vops to 3.
 802         * fortran/options.c (gfc_init_options): Remove assignment to
 803         MAX_ALIASED_VOPS.
 804         * tree-flow-inline.h (gimple_mem_ref_stats): New.
 805         * tree-dfa.c (dump_variable): Dump memory reference
 806         statistics.
 807         Dump NO_ALIAS* settings.
 808         (referenced_var_lookup): Tidy.
 809         (mem_sym_stats): New.
 810         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
 811         and ORIG are different SSA names for a memory partition.
 812         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
 813         * tree-flow.h (struct mem_sym_stats_d): Define.
 814         (mem_sym_stats_t): Define.
 815         (struct mem_ref_stats_d): Define.
 816         (struct gimple_df): Add field mem_ref_stats.
 817         (enum noalias_state): Define.
 818         (struct var_ann_d): Add bitfield noalias_state.
 819         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
 820         debug_mem_ref_stats, debug_memory_partitions,
 821         debug_mem_sym_stats): Declare.
 822         * tree-ssa-structalias.c (update_alias_info): Update call
 823         sites, pure/const call sites and asm sites in structure
 824         returned by gimple_mem_ref_stats.
 825         Remove local variable IS_POTENTIAL_DEREF.
 826         Increase NUM_DEREFS if the memory expression is a potential
 827         dereference.
 828         Call update_mem_sym_stats_from_stmt.
 829         If the memory references memory, call
 830         update_mem_sym_stats_from_stmt for all the direct memory
 831         symbol references found.
 832         (intra_create_variable_infos): Set noalias_state field for
 833         pointer arguments according to the value of
 834         flag_argument_noalias.
 835         * tree-ssa-structalias.h (struct alias_info): Remove fields
 836         num_calls_found and num_pure_const_calls_found.
 837         (update_mem_sym_stats_from_stmt): Declare.
 838         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
 839         Set default value to 100.
 840         (PARAM_AVG_ALIASED_VOPS): Define.
 841
 842 2007-04-11  Richard Guenther  <rguenther@suse.de>
 843
 844         PR middle-end/31530
 845         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
 846         a * -b + c as c - a * b if we honor sign dependent rounding.
 847
 848 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 849
 850         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
 851         bfin_expand_strmov.
 852         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
 853         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
 854         variables.
 855         (initialize_trampoline): Don't use old-style function definition.
 856         (bfin_secondary_reload): Mark IN_P argument as unused.
 857
 858 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
 859
 860         PR tree-optimization/31343
 861         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
 862         (build_polynomial_chrec): Return a scalar when the evolution is zero.
 863         * testsuite/gcc.dg/vect/pr31343.c: New.
 864
 865 2007-04-10  Eric Christopher  <echristo@apple.com>
 866
 867         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
 868         * config/i386/i386.md (*cmpfp0): Use.
 869         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 870         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 871         (fix_trunc<mode>_i386_fisttp): Ditto.
 872         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 873         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 874         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 875         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 876         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 877         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 878         (unnamed_splitters): Ditto.
 879         * config/i386/i386.c (output_fix_trunc): Assert that
 880         we're not being passed a TFmode operand.
 881
 882 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
 883
 884         PR tree-optimization/31526
 885         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
 886         n_basic_blocks to find newly added blocks.
 887
 888 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
 889
 890         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
 891         alternative.
 892         (fix_trunc<mode>si_sse): Ditto.
 893         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
 894         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
 895         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
 896         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
 897         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
 898         expander using SSEMODEF mode macro.
 899         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
 900         expander using SSEMODEF mode macro.
 901         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
 902         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
 903         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
 904         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
 905         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
 906         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
 907         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
 908         Macroize insn using X87MODEF mode macro.
 909
 910 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 911
 912         * config/i386/sse.md (sse2_pinsrw): Removed.
 913         (sse2_pextrw): Renamed to ...
 914         (*sse2_pextrw): This.
 915
 916 2007-04-09  Jan Hubicka  <jh@suse.cz>
 917
 918         PR target/27869
 919         * config/i386/sse.md
 920         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
 921         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
 922         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
 923         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
 924
 925 2007-04-09  Jan Hubicka  <jh@suse.cz>
 926
 927         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
 928         multiple fields of union.
 929
 930 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
 931
 932         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
 933         (create_preheaders): Check that loops are available.
 934         (fix_loop_structure): Clean up, improve comments.
 935         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
 936         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
 937         state flags.
 938         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
 939         * predict.c (tree_estimate_probability): Do not call
 940         calculate_dominance_info.  Call create_preheaders.
 941         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
 942         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
 943         flags.
 944         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
 945         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
 946         * tree-cfg.c (tree_split_edge): Make an assert more precise.
 947         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
 948         arguments.
 949
 950 2007-04-08  Jan Hubicka  <jh@suse.cz>
 951
 952         * tree.h (maybe_fold_offset_to_component_ref): Declare.
 953         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
 954         * fold-const.c (fold_unary): Use it.
 955
 956 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 957
 958         * varasm.c (assemble_variable): Remove call to
 959         lang_hooks.decls.prepare_assemble_variable.
 960         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
 961         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
 962         * langhooks.h (lang_hooks_for_decls): Remove
 963         prepare_assemble_variable.
 964
 965 2007-04-08  Mike Stump  <mrs@apple.com>
 966
 967         * config/i386/i386.c: Use inc/dec on Core2.
 968
 969 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
 970
 971         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
 972         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 973         lhd_tree_inlining_end_inlining): Remove.
 974         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
 975         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
 976         end_inlining hooks.
 977         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
 978         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 979         lhd_tree_inlining_end_inlining): Remove prototypes.
 980         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
 981         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
 982         LANG_HOOKS_TREE_INLINING_START_INLINING,
 983         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
 984
 985         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
 986         not set it.
 987
 988 2007-04-08  Anatoly Sokolov <aesok@post.ru>
 989
 990         PR target/29932
 991         * config/avr/predicates.md (io_address_operand): Delete predicate.
 992         (low_io_address_operand): Don't use 'mode' argument.
 993         (higth_io_address_operand): Rename ...
 994         (high_io_address_operand): ... to this. Don't use 'mode' argument.
 995         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
 996         for above change.
 997
 998 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
 999
1000         Revert change removing staticp.
1001
1002 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1003
1004         PR target/30289
1005         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1006         earlyclobber.
1007
1008 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1009
1010         * c.opt: Add -Wformat-contains-nul.
1011         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1012           -Wformat setting.
1013         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1014         the NUL byte warning.
1015
1016 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1017
1018         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1019
1020 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1021
1022         * tree.c (staticp): No longer use staticp langhook.
1023         * langhooks.c (lhd_staticp): Removed.
1024         * langhooks.h (struct lang_hooks): Remove staticp.
1025         * c-common.c (c_staticp): Remove.
1026         * c-common.h (c_staticp): Ditto.
1027         * langhooks-defs.h (lhd_staticp): Ditto.
1028         (LHD_HOOKS_STATICP): Ditto
1029         * tree.h (gcc_assert_lowered): New macro.
1030
1031 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1032
1033         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1034         argument "reliable".
1035         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1036         Add argument "reliable".  Propagate it through calls.
1037         (infer_loop_bounds_from_undefined):  Derive number of iterations
1038         estimates from references in blocks that do not dominate loop latch.
1039         (gcov_type_to_double_int): New function.
1040         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1041         and expected_loop_iterations_unbounded.
1042         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1043         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1044         * tree-data-ref.c (estimated_loop_iterations): Export.
1045         (get_references_in_stmt): Fix -- do not return addresses of local
1046         objects.
1047         * cfgloop.h (expected_loop_iterations_unbounded,
1048         estimated_loop_iterations): Declare.
1049
1050 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1051
1052         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1053
1054 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1055
1056         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1057         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1058         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1059         Use output_387_reg_move().
1060         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1061         expander using X87MODEF12 mode macro.
1062         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1063         choosing register preferences.  Use output_387_reg_move().
1064         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1065         instead of "x".  Use output_387_reg_move().
1066         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1067         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1068         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1069         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1070         Use output_387_reg_move().
1071         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1072         mode macro.
1073         (*truncxf?f_i387 splitter): Ditto.
1074
1075 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1076
1077         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1078         LANG_HOOKS_SAFE_FROM_P.
1079         * expr.c (safe_from_p): Remove langhook call.
1080         * langhooks.h (lang_hooks): Remove safe_from_p.
1081         (lhd_safe_from_p): Remove prototype.
1082         * langhooks.c (lhd_safe_from_p): Remove.
1083
1084 2007-04-06  Jan Hubicka  <jh@suse.cz>
1085
1086         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1087         functions.
1088
1089 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1090
1091         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1092         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1093         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1094         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1095         alternative.
1096         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1097         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1098
1099 2007-04-05  Richard Henderson  <rth@redhat.com>
1100
1101         * config/alpha/alpha.c (print_operand) [+]: Remove.
1102         (alpha_end_function): Print nop if call at end of function.
1103         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1104         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1105         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1106         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1107         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1108         the call pattern. Update peepholes to match.
1109
1110 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1111
1112         * doc/extend.texi (Other Builtins): Add decimal float variants
1113         of signbit.
1114         * builtins.def: Ditto.
1115         * builtins.c (expand_builtin): Ditto.
1116
1117 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1118             H.J. Lu  <hongjiu.lu@intel.com>
1119
1120         PR target/31478
1121         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1122         of V8HImode when calling ix86_binary_operator_ok.
1123         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1124         (sdot_prodv8hi): Operands 1 and 2 must be register.
1125
1126 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1127
1128         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1129         initialize align to silence bogus warning.
1130
1131 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1132
1133         PR middle-end/22156
1134         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1135         all_no_warning.
1136         (struct sra_walk_fns): Remove use_all parameter from use.
1137         (sra_hash_tree): Handle BIT_FIELD_REFs.
1138         (sra_elt_hash): Don't hash bitfld blocks.
1139         (sra_elt_eq): Skip them in parent compares as well.  Handle
1140         BIT_FIELD_REFs.
1141         (sra_walk_expr): Don't maintain or pass down use_all_p.
1142         (scan_use): Remove use_all parameter.
1143         (scalarize_use): Likewise.  Re-expand assignment to
1144         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1145         output, and re-scalarize after output.  Don't mark anything
1146         for no warning.
1147         (scalarize_ldst): Adjust.
1148         (scalarize_walk_gimple_modify_statement): Likewise.
1149         (build_element_name_1): Handle BIT_FIELD_REFs.
1150         (instantiate_element): Don't warn for any element whose parent
1151         is used as a whole.
1152         (instantiate_missing_elements_1): Return the sra_elt.
1153         (canon_type_for_field): New.
1154         (try_instantiate_multiple_fields): New.
1155         (instantiate_missing_elemnts): Use them.
1156         (mark_no_warning): Removed.
1157         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1158         (REPLDUP, sra_build_elt_assignment): New.
1159         (generate_copy_inout): Use them.
1160         (generate_element_copy): Likewise.  Handle bitfld differences.
1161         (generate_element_zero): Don't recurse for blocks.  Use
1162         sra_build_elt_assignment.
1163         (generate_one_element_int): Take elt instead of var.  Use
1164         sra_build_elt_assignment.
1165         (generate_element_init_1): Adjust.
1166         (scalarize_use, scalarize_copy): Use REPLDUP.
1167         (scalarize_ldst): Move assert before dereference.
1168         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1169
1170 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1171
1172         * regmove.c: Fix unused variable warnings due to previous commit.
1173
1174 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1175
1176         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1177         (regmove_bb_head): Remove.
1178         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1179         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1180         problems with fixup_match_1.
1181         Don't initialize/free regmove_bb_head.
1182
1183         (reg_is_remote_constant_p): If an insn is in the same basic block
1184         but not before INSN, consider it remote, too.
1185
1186 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1187
1188         PR target/25448
1189         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1190         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1191
1192 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1193
1194         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1195         (CONDITIONAL_REGISTER_USAGE): Likewise.
1196
1197 2007-04-04  Richard Henderson  <rth@redhat.com>
1198
1199         * config/alpha/lib1funcs.asm: Remove unused file.
1200
1201 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1202
1203         PR other/31356
1204         * opts.c (print_specific_help): Fix --help=<language>
1205         header line.
1206         (common_handle_option): Support --help=common.
1207
1208 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1209
1210         PR other/31353
1211         * gcc.c (main): Do not run the linker if
1212         print_subprocess_help indicates that it shouldn't be
1213         run.
1214
1215 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1216
1217         PR doc/31355
1218         * doc/invoke.texi (--help=): Document <languages> value, fix
1219         formatting in tables of values.
1220
1221 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1222
1223         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1224         dllimport attribute of virtual methods.
1225
1226 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1227
1228         * config/score/crti.asm: Change _bss_start to __bss_start.
1229         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1230         (OUTGOING_REG_PARM_STACK_SPACE) update.
1231         * config/score/score.opt: add options to make backend support
1232         score5, score5u, score7 and score7d.
1233         * config/score/score.md: Likewise.
1234         * config/score/misc.md: Likewise.
1235         * config/score/mac.md: Likewise.
1236         * doc/invoke.texi: Likewise.
1237         * doc/md.texi: update constraints define.
1238
1239 2007-04-03  Richard Henderson  <rth@redhat.com>
1240
1241         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1242         an appropriate type, use the mode instead.
1243
1244 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1245
1246         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1247         Set the default --with-arch setting to mips2.
1248         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1249         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1250         (MULTILIB_OSDIRNAMES): Delete.
1251         (MULTILIB_DIRNAMES): Define.
1252         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1253         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1254         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1255         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1256         VXWORKS_OS_CPP_BUILTINS.
1257         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1258         (MIPS_DEBUGGING_INFO): Undefine.
1259         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1260
1261 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1262
1263         PR middle-end/30704
1264         * fold-const.c (native_encode_real): Encode real.c provided longs
1265         as a series of 32-bit native integers.
1266         (native_interpret_real): Interpret buffer as a series of 32-bit
1267         native integers.
1268
1269 2007-04-03  Richard Guenther  <rguenther@suse.de>
1270
1271         * genpreds.c (write_insn_constraint_len): Write function
1272         optimized for CONSTRAINT_LEN implementation.
1273         (write_tm_preds_h): Output insn_constraint_len inline and
1274         use it for CONSTRAINT_LEN.
1275         (write_insn_preds_c): Don't output insn_constraint_len.
1276         * doc/md.texi (define_register_constraint): Document multi-letter
1277         constraints shall have the same length if they start with the same
1278         letter.
1279
1280 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1281
1282         PR target/31175
1283         * config/i386/i386.md (isinf<mode>2): Expand only when
1284         TARGET_C99_FUNCTIONS is set.
1285
1286 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1287
1288         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1289         (x86_64-*-linux*): Ditto.
1290         * config/i386/i386.opt (mpc): New option.
1291         * config/i386/i386.c (overrride_options): Handle
1292         ix87_precision_string.
1293         * config/i386/crtprec.c: New file.
1294         * config/i386/t-crtpc: Ditto.
1295         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1296         and -mpc80 options.
1297         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1298         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1299         crtprec32.o, crtprec64.o and crtprec80.o.
1300
1301         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1302         and -mpc80 options.
1303         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1304
1305 2007-04-02  Eric Christopher  <echristo@apple.com>
1306
1307         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1308         limitations on darwin.
1309
1310 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1311
1312         PR target/31137
1313         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1314
1315 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1316
1317         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1318
1319 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1320
1321         * libgcc2.h (exception_descriptor): Don't forward-declare.
1322         (__get_eh_table_language, __get_eh_table_version): Delete
1323         prototypes of long-dead functions.
1324
1325 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1326
1327         * ebitmap.h: New file
1328         * ebitmap.c: New file
1329         * Makefile.in (ebitmap.o): New target.
1330
1331 2007-04-01  Jan Hubicka  <jh@suse.cz>
1332
1333         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1334         before very first instruction.
1335
1336 2007-04-01  Jan Hubicka  <jh@suse.cz>
1337
1338         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1339         waring on 64bit hosts.
1340         * bitmap.h: Fix typo in bitmap_head_def.
1341
1342 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1343
1344         PR rtl-optimization/31391
1345         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1346         into a DELETED_LABEL note, and the label is in an empty basic
1347         block, update BB_END as well as BB_HEAD.
1348
1349 2007-04-01  Richard Henderson  <rth@redhat.com>
1350
1351         PR tree-optimization/31169
1352         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1353         to varying if the range is outside [0,  prec-1].
1354
1355 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1356
1357         PR target/31388
1358         * config/mips/mips.md (load_const_gp): New insn.
1359         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1360         the MIPS16 GP pseudo register if no_new_pseudos.
1361         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1362
1363 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1364
1365         PR target/31364
1366         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1367         secureplt.
1368         (call_value): Likewise.
1369
1370 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1371             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1372
1373         PR 14737
1374         * doc/invoke.texi: (optimization options): Reword description
1375         of -ffast-math. Document its primary purpose.
1376
1377 2007-03-31  Richard Guenther  <rguenther@suse.de>
1378
1379         * omp-low.c (splay-tree.h): Include.
1380         (lookup_decl): Replace splay-tree usage by pointer-map.
1381         (maybe_lookup_decl): Likewise.
1382         (new_omp_context): Likewise.
1383         (delete_omp_context): Likewise.
1384         * gimplify.c (splay-tree.h): Include.
1385         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1386         pointer-map.
1387         (remap_ssa_name): Likewise.
1388         (remap_decl): Likewise.
1389         (remap_type_1): Likewise.
1390         (remap_type): Likewise.
1391         (copy_body_r): Likewise.
1392         (expand_call_inline): Likewise.
1393         (clone_body): Likewise.
1394         (copy_tree_r): Likewise.
1395         (remap_save_expr): Likewise.
1396         (unsave_r): Likewise.
1397         (unsave_expr_now): Likewise.
1398         (tree_function_versioning): Likewise.
1399         (build_duplicate_type): Likewise.
1400         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1401         (struct copy_body_data): Replace splay-tree by pointer-map.
1402         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1403         not $(SPLAY_TREE_H).
1404         (gimplify.o): Depend on $(SPLAY_TREE_H).
1405         (omp-low.p): Likewise.
1406
1407 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1408
1409         * config/avr/predicates.md (even_register_operand,
1410         odd_register_operand): New predicates.
1411         * config/avr/avr.md (movw peephole2): New.
1412         (movw_r peephole2): New.
1413
1414 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1415
1416         * tree.h (get_signed_or_unsigned_type): New.
1417         * fold-const.c (operand_equal_for_comparison_p): Use
1418         get_signed_or_unsigned_type instead of
1419         lang_hooks.types.signed_or_unsigned_type.
1420         * expr.c (store_expr): Ditto.
1421         * langhooks.c (get_signed_or_unsigned_type): New.
1422         (lhd_signed_or_unsigned_type): New.
1423         * langhooks.h (lhd_signed_or_unsigned_type): New.
1424         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1425
1426 2007-03-30  Richard Henderson  <rth@redhat.com>
1427
1428         * tree-ssa-loop-ivopts.c: Include target.h.
1429         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1430         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1431         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1432         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1433
1434 2007-03-30  Richard Henderson  <rth@redhat.com>
1435             Kai Tietz  <kai.tietz@onevision.com>
1436
1437         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1438         default for 64-bit.
1439         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1440         (TARGET_64BIT_MS_ABI): New.
1441         (DBX_REGISTER_NUMBER): Handle 64-bit.
1442         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1443         (LONG_TYPE_SIZE): Force to 32.
1444         (REG_PARM_STACK_SPACE): New.
1445         (OUTGOING_REG_PARM_STACK_SPACE): New.
1446         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1447         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1448         (STACK_BOUNDARY): Use 128 for 64-bit.
1449         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1450         Add 64-bit implementation.
1451         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1452         argument unused.
1453         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1454         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1455         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1456         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1457         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1458         TARGET_64BIT_MS_ABI.
1459         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1460         (ix86_pass_by_reference): Likewise.
1461         (ix86_function_value_regno_p): Likewise.
1462         (ix86_build_builtin_va_list): Likewise.
1463         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1464         (function_arg_advance_ms_64): New.
1465         (function_arg_advance): Call it.
1466         (function_arg_ms_64): New.
1467         (function_arg): Call it.
1468         (function_value_ms_64): New.
1469         (ix86_function_value_1): Call it.
1470         (return_in_memory_ms_64): New.
1471         (ix86_return_in_memory): Call it.
1472         (setup_incoming_varargs_ms_64): New.
1473         (ix86_setup_incoming_varargs): Call it.
1474         (ix86_expand_prologue): Handle 64-bit stack probing.
1475         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1476         (output_pic_addr_const): Likewise.
1477         (x86_this_parameter): Likewise.
1478         (x86_output_mi_thunk): Likewise.
1479         (x86_function_profiler): Likewise.
1480         (TARGET_STRICT_ARGUMENT_NAMING): New.
1481         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1482         (TARGET_64BIT_MS_ABI): New.
1483         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1484         * config/i386/i386.md (allocate_stack_worker): Remove.
1485         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1486         describe the clobber of eax without a match_scratch.
1487         (allocate_stack_worker_postreload): Remove.
1488         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1489         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1490         (allocate_stack_worker_rex64_postreload): Remove.
1491         (allocate_stack): Handle 64-bit.
1492         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1493         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1494         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1495         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1496         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1497         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1498         * config.build (x86_64-*-mingw*): New host.
1499         * config.host (x86_64-*-mingw*): New host.
1500         * config.gcc (x86_64-*-mingw*): New target.
1501         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1502
1503 2007-03-30  Richard Henderson  <rth@redhat.com>
1504             Kai Tietz  <kai.tietz@onevision.com>
1505
1506         * c-pragma.c (struct def_pragma_macro_value): New.
1507         (struct def_pragma_macro): New.
1508         (pushed_macro_table): New.
1509         (dpm_hash, dpm_eq): New.
1510         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1511         (init_pragma): Install them.
1512         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1513
1514 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1515
1516         * config/avr/avr.c (avr_override_options): Clear
1517         'flag_delete_null_pointer_checks'.
1518
1519 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1520
1521         PR c++/26099
1522         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1523         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1524         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1525         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1526         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1527         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1528         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1529         C++ extensions.
1530         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1531
1532 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1533
1534         * regmove.c: Move all of pass_stack_adjustments from here...
1535         * combine-stack-adj.c: ...to this new file.
1536         * Makefile.in: Add rules for combine-stack-adj.o.
1537
1538 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1539
1540         PR tree-optimization/31383
1541         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1542         to have the same length.
1543
1544 2007-03-30  Jan Hubicka  <jh@suse.cz>
1545
1546         PR middle-end/30700
1547         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1548         availablility; add more sanity checking; ask varpool only about
1549         VAR_DECL.
1550
1551 2007-03-29  Richard Henderson  <rth@redhat.com>
1552
1553         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1554         to decide, but __SIZEOF_LONG_LONG__.
1555
1556 2007-03-29  Richard Henderson  <rth@redhat.com>
1557
1558         * emutls.c (struct __emutls_array): New.
1559         (emutls_destroy): Use it instead of casting element 0 from void*.
1560         (__emutls_get_address): Likewise.
1561
1562 2007-03-29  Richard Henderson  <rth@redhat.com>
1563
1564         * varasm.c (initializer_constant_valid_p): Don't deny
1565         DECL_DLLIMPORT_P on functions.
1566
1567         * config/i386/cygming.h: Remove function declarations.
1568         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1569         (ASM_OUTPUT_LABELREF): Remove.
1570         (COMMON_ASM_OP): Remove.
1571         (ASM_OUTPUT_COMMON): Remove.
1572         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1573         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1574         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1575         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1576         Rename from TARGET_ENCODE_SECTION_INFO.
1577         * config/i386/netware.h: Likewise.
1578         * config/i386/i386-protos.h: Update.
1579         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1580         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1581         (legitimate_constant_p): Reject dllimports.
1582         (dllimport_map, get_dllimport_decl): New.
1583         (legitimize_dllimport_symbol): New.
1584         (legitimize_address, ix86_expand_move): Use it.
1585         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1586         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1587         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1588         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1589         * config/i386/predicates.md (constant_call_address_operand): Only
1590         accept symbols; reject dllimport_p symbols.
1591         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1592         i386_pe_maybe_record_exported_symbol.
1593         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1594         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1595         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1596         trust the setting of DECL_DLLIMPORT_P.
1597         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1598         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1599         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1600         tidy the argument scanning loop.
1601         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1602         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1603         (i386_pe_strip_name_encoding): Remove.
1604         (i386_pe_binds_local_p): New.
1605         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1606         (i386_pe_output_labelref): Remove.
1607         (i386_pe_asm_output_aligned_decl_common): New.
1608         (i386_pe_maybe_record_exported_symbol): Rename from
1609         i386_pe_record_exported_symbol; check for dllexported symbols.
1610
1611 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1612
1613         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1614         add comment explaining why vsnprintf cannot be used.
1615
1616 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1617
1618         PR tree-optimization/30666
1619         * tree.c (build_complex_type): When creating type names for DWARF2
1620         debug info, create TYPE_DECLs for TYPE_NAME instead of
1621         IDENTIFIER_NODEs.
1622         (build_common_tree_nodes_2): Use build_complex_type when building
1623         predefined complex types, to preserve canonical types.
1624
1625 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1626
1627         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1628         (noce_get_alt_condition): Look at it to determine whether to
1629         reverse the condition or not.
1630         (noce_get_condition): Substitute the truth for lies.
1631         (noce_find_if_block): Set the then_else_reversed field.
1632
1633 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1634
1635         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1636         destination of this insn.
1637         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1638         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1639         'address + 4' rather than a stack based temporary which can be
1640         mis-optimized away.
1641
1642 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1643
1644         * config/s390/s390.c (s390_secondary_input_reload_class,
1645         s390_secondary_output_reload_class): Functions removed.
1646         (s390_secondary_reload): New function.
1647         (TARGET_SECONDARY_RELOAD): Target macro defined.
1648         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1649         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1650         * config/s390/s390.md ("reload_outti", "reload_outdi",
1651         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1652         "reload_out<mode>"): Expanders removed.
1653         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1654         "reload<mode>_nonoffmem_out"): Expanders added.
1655
1656 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1657
1658         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1659         SRC->DEST replacement failed anyway.
1660
1661 2007-03-28  Mike Stump  <mrs@apple.com>
1662
1663         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1664         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1665         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1666
1667 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1668
1669         * config.gcc: Accept barcelona as a variant of amdfam10.
1670         * config/i386/i386.c (override_options): Likewise.
1671         * doc/invoke.texi: Likewise.
1672
1673 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1674
1675         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1676         offsets for BIT_FIELD_REF and COMPONENT_REF.
1677
1678 2007-03-28  Richard Guenther  <rguenther@suse.de>
1679
1680         * tree.c (is_global_var): Move ...
1681         * tree-flow-inline.h (is_global_var): ... here.
1682         * tree.h (is_global_var): Remove declaration.
1683
1684 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1685
1686         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1687         option.
1688         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1689         * config/i386/i386.c (ix86_tune_features): Initialize new
1690         tuning option.
1691         * config/i386/predicates.md (promotable_binary_operator): Use
1692         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1693
1694 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1695
1696         PR target/31380
1697         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1698
1699 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1700
1701         * config/fr30/fr30.md (movsi_internal): Change destination
1702         constraint from m to V and add m to the end.
1703
1704 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1705
1706         * config/sh/sh.md (movsi_i): Fix type attribute.
1707
1708 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1709
1710         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1711         (movsf_ie): Likewise.
1712
1713 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1714
1715         * config.gcc: Add sh4-300 to multilib.
1716         * config/sh/t-mlib-sh4-300: New file.
1717
1718 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1719
1720         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1721         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1722         fix_trunc<mode>di2.
1723         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1724         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1725         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1726         "fixuns_trunctddi2"): Whitespace fix.
1727
1728 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1729
1730         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1731         the definition of struct sh_args.
1732         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1733         CALL_COOKIE_INT_REG_GET): Likewise.
1734
1735 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1736
1737         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1738         transformations are applied successfully.
1739
1740 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1741
1742         * tree.c (tree_contains_struct): Permit 512 tree codes.
1743         * tree.h (tree_contains_struct): Ditto.
1744         (MAX_TREE_CODES): Ditto.
1745         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1746         SPARE member to store remaining padding bits.
1747
1748 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1749
1750         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1751         architecture.
1752
1753 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1754
1755         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1756         * configure: Regenerate.
1757
1758         * configure: Regenerate using the correct version of autoconf.
1759
1760 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1761
1762         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1763         pointer regs.
1764         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1765         regs to "__SP_L__" and "__SP_H__".
1766
1767 2007-03-27  Richard Guenther  <rguenther@suse.de>
1768
1769         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1770         computations with it with a HOST_WIDE_INT variable.
1771
1772 2007-03-26  Mike Stump  <mrs@apple.com>
1773
1774         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1775         objective-c-header, objective-c++-header and objc++-cpp-output
1776         support.
1777         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1778
1779 2007-03-26  Richard Henderson  <rth@redhat.com>
1780
1781         PR target/31361
1782         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1783         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1784         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1785         IX86_BUILTIN_PSRLQ128): New.
1786         (ix86_init_mmx_sse_builtins): Add them.
1787         (ix86_expand_builtin): Expand them.
1788         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1789         operand 2 be TImode.
1790         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1791         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1792         _mm_srli_epi64): Mark __B const.
1793         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1794         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1795         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1796         new two-vector shift builtins.
1797
1798 2007-03-26  Ian Lance Taylor  <iant@google.com>
1799
1800         PR tree-optimization/31345
1801         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1802         [+INF, +INF(OVF)] into VARYING.
1803
1804 2007-03-26  Zack Weinberg  <zackw@panix.com>
1805
1806         * gengtype-parse.c: New file.
1807         * gengtype-yacc.y: Delete.
1808         * gengtype-lex.l: Don't include gengtype-yacc.h.
1809         Define YY_DECL and yyterminate appropriately for recursive
1810         descent parser.  yylval is now a string out-parameter to yylex.
1811         (HWS, EOID): New shorthand.
1812         (IWORD): Add a couple more types.
1813         (yylex): Add a setup stanza.  Remove the complex rules for
1814         detecting GTY'ed types and typedefs; replace with simple
1815         keyword detectors.  Adjust everything for the changed
1816         definition of yylval.  Ignore all pp-directives, not just #define.
1817         (yyerror): Delete.
1818         (parse_file): Rename yybegin; do not call yyparse.
1819         (yyend): New.
1820         * gengtype.c (xasprintf): Export again.
1821         (this_file): New.  Use everywhere __FILE__ was being used.
1822         (get_lang_bitmap): Special case types defined in gengtype.c.
1823         (do_typedef, new_structure): Suppress definition of certain types.
1824         (new_structure): Improve diagnostics of duplicate definitions.
1825         Make sure location_s is associated with input.h.
1826         (nreverse_pairs, define_location_structures): New functions.
1827         (main): Improve tagging of kludge types.  Remove old kludges
1828         for input.h types; use define_location_structures.
1829         * gengtype.h: Update prototypes.  Define token codes here.
1830         * Makefile.in: Remove all references to gengtype-yacc.
1831         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1832         and gengtype.
1833         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1834         add GTY((skip)) to the field that's only conditionally there.
1835         * doc/install.texi: Document that Bison is no longer required
1836         unless building treelang.
1837
1838         * gengtype.c: Don't include gtyp-gen.h.
1839         (srcdir): Declare here.
1840         (base_files, lang_dir_names): Allocate dynamically.
1841         (gt_files, num_gt_files, num_lang_dirs): New globals.
1842         (measure_input_list, read_input_line, read_input_list)
1843         (set_lang_bitmap): New functions.
1844         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1845         simplify, relying on read_input_list to set up the bitmaps.
1846         (main): Arguments are no longer unused.  Check for correct number
1847         of command line arguments, set srcdir and srcdir_len, then call
1848         read_input_list, before doing anything else.  No need to worry
1849         about duplicates in main loop.
1850         * configure.ac: Simplify the calculation of all_gtfiles.
1851         Put language tags in there.  Don't set or substitute
1852         all_gtfiles_files_langs or all_gtfiles_files_frags.
1853         * Makefile.in: Revamp the way gengtype is invoked, now that it
1854         takes a file on its command line with a much simpler format.
1855         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1856         (GTFILES): Remove duplicates and C source files.
1857         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1858         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1859         * configure: Regenerate.
1860
1861         * gengtype.h: Remove all type definitions to gengtype.c; leave
1862         only definitions of options_p, type_p, and pair_p as opaque
1863         pointers.  Update prototypes.
1864         * gengtype.c: Many type definitions moved here from gengtype.h.
1865         Consolidate type definitions at the top of the file.
1866         (xvasprintf): Delete.
1867         (xasprintf): Make static.
1868         (create_nested_pointer_option): Add 'next' parameter.
1869         (create_field_all, create_field_at): New functions.
1870         (create_field): Now a thin wrapper around create_field_all.
1871         (create_optional_field): Rename create_optional_field_ and add
1872         line argument.  Original name is now a macro which supplies
1873         __LINE__.
1874         (oprintf): Use vsnprintf directly.
1875         (close_output_files): Use fatal rather than perror/exit.
1876         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1877         (main): Set progname.  Don't use exit.
1878         * gengtype-yacc.y (struct_fields): Use create_field_at.
1879         (option, optionseqopt): Delete.
1880         (optionseq): Consolidate productions from option here so we
1881         can use the first argument to create_option.
1882
1883         * gengtype-lex.l: Distinguish unions from structures in the
1884         token type.  Don't call find_structure; return the tag as a string.
1885         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1886         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1887         Reorganize typedef_struct production accordingly.
1888         Use create_nested_ptr_option.
1889         * gengtype.c (create_nested_ptr_option): New function.
1890         * gengtype.h: Declare it.
1891
1892         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1893         (string_type): Don't declare.
1894         (do_scalar_typedef): Declare.
1895         (create_scalar_type): Update prototype.
1896         * gengtype.c (string_type): Make static.
1897         (scalar_nonchar, scalar_char): New.
1898         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1899         (resolve_typedef): Use scalar_nonchar for error recovery.
1900         (create_scalar_type): Remove name_len field.  Return scalar_char
1901         or scalar_nonchar as appropriate.
1902         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1903         to use string_type.
1904         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1905         whenever possible.
1906         (main): Initialize scalar_char and scalar_nonchar before calling
1907         gen_rtx_next.
1908         * gengtype-lex.l: Adjust for removal of second argument to
1909         create_scalar_type.  Use yylval.s instead of yylval.t when
1910         returning SCALAR.
1911         * gengtype-yacc.y: Type of SCALAR is string.  Call
1912         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1913         second argument to create_scalar_type.
1914
1915         * vec.h: Remove all #if IN_GENGTYPE blocks.
1916         Add comment saying that changes may require adjustments to gengtype.
1917         * gengtype.c: Don't include coretypes.h or tm.h.
1918         Add comment to inclusion of errors.h.
1919         (note_def_vec, note_def_vec_alloc): New functions.
1920         * gengtype.h: Declare new functions.
1921         * gengtype-lex.l: Don't include coretypes.h.
1922         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1923         Delete.
1924         (update_lineno): Remove unnecessary prototype.
1925         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1926         (VEC rule): Just return VEC_TOKEN.
1927         * gengtype-yacc.y (VEC_TOKEN): New token type.
1928         (type): Add a production for VEC(a,b).
1929         * Makefile.in: Update dependencies.
1930
1931         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1932         typedefs that use the old PARAMS macro.
1933
1934         * gengtype-lex.l: Remove all rules and states relating to yacc
1935         input files.
1936         * gengtype-yacc.y: Similarly.
1937         * gengtype.c (note_yacc_type): Delete function.
1938         * gengtype.h: Update prototypes.
1939
1940 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1941
1942         * tree-pretty-print.c (dump_generic_node): Report precision of
1943         unnamed integer types.
1944
1945 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1946
1947         * ifcvt.c (noce_try_store_flag_constants): Don't check
1948         no_new_pseudos here.
1949         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1950         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1951         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1952         noce_try_sign_mask): Likewise.
1953         (if_convert): Check no_new_pseudos here.
1954
1955         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1956         Remove prototypes.
1957         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1958         (noce_get_condition): Handle new then_else_reversed argument.
1959         (noce_init_if_info): Remove, fold into noce_find_if_block.
1960         (noce_process_if_block): Take a struct noce_if_info as the
1961         argument.  Don't set up one based on ce_if_info.  Update pointer
1962         references accordingly.
1963         (cond_move_process_if_block): Likewise.
1964         (process_if_block): Removed.
1965         (find_if_block): Removed.  Move functionality two new functions,
1966         noce_find_if_block and cond_exec_find_if_block.
1967         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1968         blocks and the symmetric IF-ELSE-JOIN case.
1969         (cond_exec_find_if_block): Also new function mostly based on old
1970         find_if_block and process_if_block.
1971         (find_if_header): Replace find_if_block call with separately
1972         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1973         (find_cond_trap): Update noce_get_condition call.
1974         (dead_or_predicable): Likewise.
1975
1976 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1977
1978         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1979         Remove.
1980         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1981         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1982         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1983         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1984         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1985         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1986         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1987         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1988         __builtin_ia32_psrad128 builtins.
1989
1990 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1991
1992         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1993         * config/i386/constraints.md
1994         (define_constraint "I"): Use IN_RANGE macro.
1995         (define_constraint "J"): Ditto.
1996         (define_constraint "K"): Ditto.
1997         (define_constraint "M"): Ditto.
1998         (define_constraint "N"): Ditto.
1999         (define_constraint "O"): Ditto.
2000         * config/i386/predicates.md
2001         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2002         (define_predicate "const_0_to_3_operand"): Ditto.
2003         (define_predicate "const_0_to_7_operand"): Ditto.
2004         (define_predicate "const_0_to_15_operand"): Ditto.
2005         (define_predicate "const_0_to_63_operand"): Ditto.
2006         (define_predicate "const_0_to_255_operand"): Ditto.
2007         (define_predicate "const_1_to_31_operand"): Ditto.
2008         (define_predicate "const_2_to_3_operand"): Ditto.
2009         (define_predicate "const_4_to_7_operand"): Ditto.
2010
2011 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2012
2013         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2014         in SImode for save_world.
2015         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2016         LR hard reg.
2017
2018 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2019
2020         PR tree-optimization/30784
2021         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2022         BIT_FIELD_REF.
2023
2024 2007-03-25  Revital Eres  <eres@il.ibm.com>
2025
2026         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2027           Fold movement_possibility function into it.
2028
2029 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2030
2031         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2032         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2033         (call_indirect_nonlocal_darwin64): Same.
2034         (call_nonlocal_darwin64): Same.
2035         (call_value_indirect_nonlocal_darwin64): Same.
2036         (call_value_nonlocal_darwin64): Same.
2037         (sibcall_nonlocal_darwin64): Same.
2038         (sibcall_value_nonlocal_darwin64): Same.
2039         (sibcall_symbolic_64): Same.
2040         (sibcall_value_symbolic_64): Same.
2041         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2042         LR pseudo.
2043         (rs6000_emit_load_toc_table): Same.
2044         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2045         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2046         (mull_call): Same.
2047         (divss_call): Same.
2048         (divus_call): Same.
2049         (quoss_call): Same.
2050         (quous_call): Same.
2051         (load_toc_v4_pic_si): Same
2052         (load_toc_v4_PIC_1): Same.
2053         (load_toc_v4_PIC_1b): Same.
2054         (call_indirect_aix{32,64}): Same.
2055         (call_value_indirect_aix{32,64}): Same.
2056         (call): Same.
2057         (call_value): Same.
2058         (call_local{32,64}): Same.
2059         (call_value_local{32,64}): Same.
2060         (call_indirect_nonlocal_aix{32,64}): Same.
2061         (call_nonlocal_aix{32,64}): Same.
2062         (call_value_indirect_nonlocal_aix{32,64}): Same.
2063         (call_value_nonlocal_aix{32,64}): Same.
2064         (call_indirect_nonlocal_sysv<mode>): Same.
2065         (call_nonlocal_sysv<mode>): Same.
2066         (call_value_indirect_nonlocal_sysv<mode>): Same.
2067         (call_value_nonlocal_sysv<mode>): Same.
2068         (sibcall): Same.
2069         (sibcall_local{32,64}): Same.
2070         (sibcall_value_local{32,64}): Same.
2071         (sibcall_nonlocal_aix{32,64}): Same.
2072         (sibcall_value_nonlocal_aix{32,64}): Same.
2073         (sibcall_nonlocal_sysv<mode>): Same.
2074         (sibcall_value): Same.
2075         (sibcall_value_nonlocal_sysv<mode>): Same.
2076
2077 2007-03-24  Paul Brook  <paul@codesourcery.com>
2078
2079         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2080         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2081
2082 2007-03-24  Richard Henderson  <rth@redhat.com>
2083
2084         * config/ia64/constraints.md: New file.
2085         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2086         satisfies_constraint_?.
2087         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2088         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2089         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2090         ia64_output_mi_thunk): Likewise.
2091         (ia64_const_ok_for_letter_p): Remove.
2092         (ia64_const_double_ok_for_letter_p): Remove.
2093         (ia64_extra_constraint): Remove.
2094         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2095         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2096         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2097         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2098         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2099         EXTRA_MEMORY_CONSTRAINT): Remove.
2100         * config/ia64/ia64.md: Include constriants.md.  Replace
2101         CONST_OK_FOR_? with satisfies_constraint_?.
2102
2103 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2104             H.J. Lu  <hongjiu.lu@intel.com>
2105
2106         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2107         DPD or BID name.
2108         (name macros): Use DPD_BID_NAME to convert names properly.
2109
2110         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2111         decimal floating point format.
2112         (init_floating_libfuncs): Change decimal functions so that they
2113         have a "bid_" prefix if the decimal system uses the BID format,
2114         and "dpd_" prefix if the decimal system uses the DPD format.
2115         (init_interclass_conv_libfuncs): Ditto.
2116         (init_intraclass_conv_libfuncs): Ditto.
2117
2118         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2119         using the BID format.
2120
2121         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2122         whether we are using the BID decimal format.
2123         * configure: Regenerate.
2124
2125         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2126         the compiler has decimal floating point enabled.  Define
2127         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2128         instead of DPD.
2129
2130         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2131         using the BID format.
2132
2133         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2134         whether we are using the BID decimal format.
2135         * configure: Regenerate.
2136
2137         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2138         the compiler has decimal floating point enabled.  Define
2139         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2140         instead of DPD.
2141
2142         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2143         options, and that it is enabled for i386/x86_64 systems.
2144
2145         * Makefile.in (enable_decimal_float): New.
2146         (DECNUMFMT): New.
2147         (DECNUMINC): Add  -I$(DECNUMFMT).
2148         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2149         to $(DECNUMFMT) from $(DECNUM).
2150
2151         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2152         Substitute enable_decimal_float.
2153         * configure: Regenerated.
2154
2155         PR other/30529
2156         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2157         unsigned long.
2158
2159         * configure.ac: Enable decimal float for x86_64-*-linux*.
2160         * configure: Regenerated.
2161
2162         PR other/30530
2163         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2164         decimal128ClearSign to flip and clear the sign bit in decimal128.
2165         (decimal_real_maxval): Set decimal128SetSign to set the sign
2166         bit in decimal128.
2167
2168 2007-03-23  Ian Lance Taylor  <iant@google.com>
2169
2170         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2171
2172 2007-03-23  Ian Lance Taylor  <iant@google.com>
2173
2174         * tree-dump.c (dump_files): Correct comment.
2175
2176 2007-03-23  Ian Lance Taylor  <iant@google.com>
2177
2178         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2179
2180 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2181
2182         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2183         in cfglayout mode.  Don't go into and out of cfglayout mode.
2184         Link the blocks in the order of the constructed traces.
2185         (rest_of_handle_tracer): Adjust call to tracer.
2186         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2187         Don't go into cfglayout mode.
2188         (rtl_loop_done): Don't go out of cfglayout mode.
2189         * cfglayout.c (relink_block_chain): New function, split out from...
2190         (fixup_reorder_chain): ...here.  Remove redundant checking.
2191         (cfg_layout_finalize): Don't clear the header, footer, and aux
2192         fields here, move the code to do so to relink_block_chain.  Likewise
2193         for free_original_copy_tables.
2194         * rtl.h (tracer): Update prototype.
2195         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2196         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2197         mode.  Use relink_block_chain to serialize the CFG according to the
2198         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2199         here...
2200         (gate_handle_reorder_blocks): ...to here.
2201         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2202         from here...
2203         (gate_duplicate_computed_gotos): ...to here.
2204         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2205         something always changes when going into and out of cfglayout mode.
2206         Perform an expensive cfg cleanup while going into cfglayout mode.
2207         Always update liveness information on HAVE_conditional_execution
2208         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2209         * reg-stack.c: Include cfglayout.h.
2210         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2211         the call to reorder_basic_blocks.
2212         * basic-block.h (reorder_basic_blocks): Update prototype.
2213         (relink_block_chain): New prototype.
2214         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2215
2216 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2217
2218         * config/mips/mips.md (type, hazard, *movdi_32bit,
2219         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2220         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2221         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2222         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2223         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2224         applicable.
2225         (movcc): Change first xfer to multi.
2226         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2227         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2228         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2229         config/mips/generic.md: Change reservations using "xfer" to use
2230         "mfc,mtc".
2231         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2232         using match_operand.
2233         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2234         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2235         examining mode.
2236         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2237
2238 2007-03-22  Richard Henderson  <rth@redhat.com>
2239
2240         * config/i386/i386.c: Remove unnecessary function declarations.
2241         Move targetm definition, and all related macros, to the end of
2242         the file.  Resort some functions to put definitions before uses.
2243         (ix86_attribute_table): Make static.  Move to end of file.
2244         (ix86_gimplify_va_arg): Make static.
2245
2246 2007-03-22  Richard Henderson  <rth@redhat.com>
2247
2248         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2249         don't increase local_regparm with force_align_arg_pointer check.
2250         (ix86_function_sseregparm): Assert 32-bit.
2251         (type_has_variadic_args_p): New.
2252         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2253         type_has_variadic_args_p.
2254         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2255         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2256         use memset instead.  Do maybe_vaarg check first; skip attribute
2257         tests if true; skip attribute tests for 64-bit.
2258         (construct_container): Remove TARGET_DEBUG_ARG.
2259         (function_arg_advance_32, function_arg_advance_64): Split out ...
2260         (function_arg_advance): ... from here.
2261         (function_arg_32, function_arg_64): Split out ...
2262         (function_arg): ... from here.
2263         (ix86_pass_by_reference): Tidy.
2264         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2265         (function_value_32): New, from parts of ix86_function_value
2266         and ix86_value_regno.
2267         (function_value_64): New, from parts of ix86_function_value
2268         and ix86_libcall_value.
2269         (ix86_function_value_1): New.
2270         (ix86_function_value, ix86_libcall_value): Use it.
2271         (return_in_memory_32, return_in_memory_64): Split out ...
2272         (ix86_return_in_memory): ... from here.
2273         (ix86_struct_value_rtx): Skip for 64-bit.
2274         (ix86_libcall_value, ix86_value_regno): Remove.
2275         (setup_incoming_varargs_64): Split out ...
2276         (ix86_setup_incoming_varargs): ... from here.
2277         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2278         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2279         * config/i386/i386-protos.h (ix86_function_value): Remove.
2280         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2281
2282 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2283
2284         PR other/23572
2285         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2286         infinities not supported, otherwise emit warning if -Woverflow. On
2287         underflow, emit warning if -Woverflow.
2288         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2289         and 0 otherwise.
2290         * real.h (real_from_string): Update declaration
2291
2292 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2293             Richard Henderson  <rth@redhat.com>
2294
2295         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2296         * calls.c (compute_argument_block_size, expand_call,
2297         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2298         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2299         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2300         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2301         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2302         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2303         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2304         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2305         Set to 1.
2306
2307 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2308
2309         * c-incpath.c (add_sysroot_to_chain): New.
2310         (merge_include_chains): Add sysroot argument.  Call
2311         add_sysroot_to_chain if sysrooted.
2312         (register_include_chains): Update call to merge_include_chains.
2313         * doc/cppopts.texi: Document use of '=' in include directory
2314         arguments.
2315
2316 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2317
2318         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2319         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2320         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2321         insn pattern using X87MODEF12 mode macro.
2322
2323 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2324
2325         * regmove.c (regmove_optimize): Use reg_mentioned_p
2326         instead of reg_overlap_mentioned_p for DST.
2327
2328 2007-03-21  Mike Stump  <mrs@apple.com>
2329
2330         * c.opt: Fixup for Objective-C/C++.
2331
2332 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2333
2334         * explow.c (convert_memory_address): Fold memory reference when
2335         POINTERS_EXTEND_UNSIGNED < 0
2336
2337 2007-03-21  Richard Henderson  <rth@redhat.com>
2338
2339         PR target/31245
2340         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2341         * config/i386/mmintrin.h (__m64): Likewise.
2342         * config/i386/xmmintrin.h (__m128): Likewise.
2343
2344 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2345
2346         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2347         (VXWORKS_OS_CPP_BUILTINS): Define.
2348         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2349         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2350
2351 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2352
2353         * rtl.h (constant_pool_reference_p): Delete.
2354         (find_constant_src): Declare.
2355         * rtlanal.c (find_constant_src): New function.
2356         * simplify-rtx.c (constant_pool_reference_p): Delete.
2357         * config/i386/i386.md: Use find_constant_src instead of
2358         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2359
2360 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2361
2362         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2363         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2364
2365 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2366
2367         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2368         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2369         (arm_elf_asm_constructor): Use it.
2370         (arm_elf_asm_destructor): New function.
2371
2372 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2373
2374         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2375
2376 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2377
2378         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2379
2380 2007-03-19  Andrew Haley  <aph@redhat.com>
2381
2382         PR tree-optimization/31264
2383         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2384         VIEW_CONVERT_EXPRs.
2385
2386 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2387
2388         PR rtl-optimization/30907
2389         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2390         (fwprop_init): Always call loop_optimizer_initialize.
2391         (fwprop_done): Always call loop_optimizer_finalize.
2392         (fwprop): We always have loop info now.
2393         (gate_fwprop_addr): Remove.
2394         (pass_fwprop_addr): Use gate_fwprop as gate.
2395
2396         PR rtl-optimization/30841
2397         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2398         df_chain_alloc): Call df_reorganize_refs unconditionally.
2399         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2400         refs_organized to refs_organized_size.
2401         (df_ref_create_structure): Use refs_organized_size instead of
2402         bitmap_size if refs had been organized, and keep refs_organized_size
2403         up-to-date.
2404         * df.h (struct df_ref_info): Change refs_organized to
2405         refs_organized_size.
2406         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2407         bitmap_size.
2408
2409 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2410
2411         * except.c (output_function_exception_table): Do not reference the
2412         EH personality routine for functions that do not require an
2413         exception table.
2414
2415 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2416
2417         PR c/30762
2418         * c-typeck.c (convert_for_assignment): Call comptypes for
2419         RECORD_TYPE or UNION_TYPE.
2420
2421         PR inline-asm/30505
2422         * reload1.c (reload): Do invalid ASM checking after
2423         cleanup_subreg_operands.
2424
2425 2007-03-19  Jeff Law  <law@redhat.com>
2426
2427         * tree-cfg.c (find_taken_edge): Tighten conditions for
2428         optimizing computed gotos.
2429
2430 2007-03-19  Michael Matz  <matz@suse.de>
2431
2432         * builtins.c (expand_builtin_sync_operation,
2433         expand_builtin_compare_and_swap,
2434         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2435         correctly.
2436
2437         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2438         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2439         for operand 3.
2440
2441 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2442
2443         * doc/tm.texi: Add brackets around the return type of
2444         TARGET_SECONDARY_RELOAD.
2445
2446 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2447         Richard Guenther  <rguenther@suse.de>
2448
2449         PR tree-optimization/31254
2450         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2451         Use handled_component_p () where appropriate.  Continue
2452         propagating into the rhs if we propagated into an INDIRECT_REF
2453         on the lhs.
2454
2455 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2456
2457         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2458         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2459         (xde, xdee): Mode attributes adjusted to support DFP modes.
2460         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2461         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2462         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2463         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2464         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2465         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2466         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2467         numbers.
2468         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2469         "movsf"): Insn definitions removed.
2470         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2471         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2472         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2473         definitions added.
2474         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2475         "reload_in<mode>", "reload_out<mode>"): Expander added.
2476         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2477         Expander removed.
2478
2479 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2480
2481         * config/s390/s390.md: Only non-functional changes.  Renamed
2482         FPR mode macro to BFP all over the file.
2483
2484 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2485
2486         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2487         (op_type attribute): RRF instruction type added.
2488         (fT0): New mode attribute.
2489         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2490         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2491         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2492         no secondary memory is needed when moving DFmode values between GPRs
2493         and FPRs.
2494
2495 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2496
2497         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2498         inverted and documentation adjusted.
2499         ("mhard-dfp", "msoft-dfp"): New options.
2500         * config/s390/s390.c (s390_handle_arch_option): New architecture
2501         switch: z9-ec.
2502         (override_options): Sanity checks for the new options added.
2503         * config.gcc: New architecture switch: z9-ec.
2504         * config/s390/s390.h (processor_flags): PF_DFP added.
2505         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2506         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2507         when the bit is NOT set so remove it from the defaults.
2508
2509 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2510
2511         * genemit.c (main): Print include statement for dfp.h.
2512         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2513         is not available.
2514
2515 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2516
2517         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2518
2519 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2520
2521         PR target/31022
2522         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2523         instead of PATTERN.
2524
2525 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2526
2527         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2528         attr_length_call, output_call, output_indirect_call): Cleanup
2529         formatting of targetm calls.
2530
2531 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2532
2533         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2534
2535 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2536
2537         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2538         reservation, bypass and anti-bypass descriptions for these instructions.
2539         Update move patterns.
2540         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2541         TYPE_FPSTORE.
2542
2543 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2544
2545         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2546         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2547         (get_initial_def_for_reduction): Likewise.
2548
2549 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2550
2551         Fix PR tree-optimization/29922
2552         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2553         (get_representative): Removed.
2554         (value_dies_in_block_x): Update for rvuse removal.
2555         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2556         (compute_antic_aux): Handle when PHI nodes appear in
2557         non-single-successors.
2558         (dump_bitmap_of_names): Removed.
2559         (compute_antic_safe): Renamed and removed rvuse calculation.
2560         Calculate only antic safe.
2561         (insert_into_preds_of_block): Remove assert.
2562         (execute_pre): Update for renamed functions.
2563         (defer_or_phi_translate_block): New function.
2564
2565 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2566
2567         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2568         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2569         typos.
2570         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2571         Follow spelling conventions.
2572
2573         * tree-data-ref.h: Remove the prototype for analyze_array.
2574
2575 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2576
2577         PR tree-optimization/31041
2578         * tree-vect-transform.c (get_initial_def_for_induction): Call
2579         force_gimple_operand.
2580
2581 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2582
2583         * ipa-type-escape.c (look_for_casts) : Revert code to use
2584         handled_component_p due to ada test a-numaux.adb.
2585
2586 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2587
2588         * final.c (final_scan_insn): Alter the condition of a
2589         conditional trap if we have nonstandard CC.
2590
2591 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2592
2593         * configure.ac: Remove excess quoting from asm line 0 test.
2594         * configure: Rebuilt.
2595
2596 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2597
2598         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2599         * c-common.c (convert_and_check): Move warning logic to...
2600         (warnings_for_convert_and_check): ...here. Define.
2601         * c-common.h (warnings_for_convert_and_check): Declare.
2602
2603 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2604
2605         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2606         (output_call): Likewise.
2607
2608 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2609
2610         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2611
2612 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2613
2614         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2615
2616 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2617
2618         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2619         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2620
2621 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2622
2623         PR tree-optimization/31183
2624         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2625         Use double_int instead of unsigned int for representing access_strides.
2626         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2627
2628 2007-03-16  Richard Guenther  <rguenther@suse.de>
2629
2630         PR tree-optimization/31146
2631         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2632         to allow recursion of forward_propagate_addr_expr.
2633         (forward_propagate_addr_into_variable_array_index): Likewise.
2634         (forward_propagate_addr_expr): Likewise.
2635         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2636         (forward_propagate_addr_expr_1): Recurse on simple copies
2637         instead of propagating into them.  Do so for useless conversions
2638         as well.
2639         (forward_propagate_addr_expr): Clean up unused statements after
2640         recursion.
2641
2642 2007-03-16  Richard Guenther  <rguenther@suse.de>
2643
2644         * builtins.c (expand_builtin_cexpi): Use the right argument
2645         for the expansion via cexp.
2646
2647 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2648
2649         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2650         * configure: Rebuilt.
2651
2652 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2653
2654         PR debug/29906
2655         * dwarf2out.c (force_type_die): Adjust comment.
2656         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2657
2658 2007-03-15  DJ Delorie  <dj@redhat.com>
2659
2660         * config/frv/predicates.md (minmax_operator): Don't check operands
2661         here.
2662
2663 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2664
2665         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2666         Update constant estimates of number of iterations.
2667         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2668         argument renamed to "realistic".
2669         (compute_estimated_nb_iterations): Removed.
2670         (record_niter_bound): New function.
2671         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2672         call record_nonwrapping_iv with upper = false.
2673         (infer_loop_bounds_from_signedness): Pass upper argument to
2674         record_nonwrapping_iv.
2675         (estimate_numbers_of_iterations_loop): Do not call
2676         compute_estimated_nb_iterations.  Record estimate based on profile
2677         information.  Initialize the constant estimates of number of
2678         iterations.
2679         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2680         estimates.
2681         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2682         number of iterations is too small.
2683         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2684         (EST_NOT_AVAILABLE): Removed.
2685         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2686         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2687         fields.
2688
2689 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2690
2691         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2692         Handle NE_EXPR guards.
2693
2694 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2695
2696         PR c++/24924
2697         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2698         Set also -pedantic-errors by default for the  preprocessor unless
2699         -fpermissive is given.
2700
2701 2007-03-15  Richard Guenther  <rguenther@suse.de>
2702
2703         PR middle-end/29719
2704         PR middle-end/31161
2705         * builtins.c (expand_builtin_cexpi): As a fallback if we
2706         don't have builtins for sincos or cexp create a function
2707         declaration for cexp and expand to a call to that.
2708         (expand_builtin_int_roundingfn): Always fall
2709         back to floor/ceil and its variants even if they may be
2710         not available.
2711
2712 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2713
2714         PR middle-end/31159
2715         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2716         jump tables, move the call to delete_dead_jumptables from here...
2717         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2718         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2719         don't allow merging of blocks that try_redirect_by_replacing_jump
2720         also does not handle when not optimizing.
2721
2722 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2723             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2724
2725         * config/i386/i386.md (x86_sahf_1): Correctly handle
2726         HAVE_AS_IX86_SAHF.
2727
2728 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2729
2730         PR target/31167
2731         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2732         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2733         from operand constraints and use "e" constraint instead.
2734         (*subti3_1, *subti3_1 splitter): Ditto.
2735         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2736         operand[1] predicate.
2737
2738 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2739
2740         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2741         arrays, multiply the access strides by the size of the sub-array.
2742         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2743
2744 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2745
2746         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2747         the configured assembler supports the sahf mnemonic.
2748         * configure: Regenerate.
2749         * config.in: Regenerate.
2750
2751         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2752         emit "sahf" or ".byte\t0x9e" as asm template.
2753
2754 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2755
2756         PR 31018
2757         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2758         option to replace hard coded TARGET_xxx in md file.
2759         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2760         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2761         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2762         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2763         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2764         (X86_TUNE_NOT_VECTORMODE): Ditto.
2765         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2766         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2767         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2768         (TUNE_SLOW_IMUL_IMM8): Ditto.
2769         (TUNE_MOVE_M1_VIA_OR): Ditto.
2770         (TUNE_NOT_UNPAIRABLE): Ditto.
2771         (TUNE_NOT_VECTORMODE): Ditto.
2772
2773         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2774         options.
2775
2776         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2777         tuning options instead of hard coded TARGET_xxx.
2778         (fix ssemode peephole2's): Ditto.
2779         (imul peephole2's): Ditto.
2780         (movsi_or): Ditto.
2781         (movdi_or_rex64): Ditto.
2782         (move peephole2): Ditto.
2783         (not peephole2's): Ditto.
2784
2785 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2786
2787         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2788         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2789         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2790         of empty body.
2791         * c-parser.c (c_parser_do_statement): Warn about empty body in
2792         do/while statement.
2793         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2794         * doc/invoke.texi (-Wempty-body): Update documentation.
2795
2796 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2797
2798         PR c/21438
2799         * c-common.h (warn_for_div_by_zero): Declare.
2800         * c-common.c (warn_for_div_by_zero): Define.
2801         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2802         warning.
2803
2804 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2805
2806         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2807         to PREFIX and STANDARD_PREFIX.
2808
2809 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2810             Phil Edwards  <phil@codesourcery.com>
2811
2812         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2813         (__gthread_once_t): Remove busy field for RTPs.
2814         (__GTHREAD_ONCE_INIT): Update accordingly.
2815
2816 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2817
2818         * doc/invoke.texi: Document VxWorks options.
2819
2820 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2821
2822         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2823
2824 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2825
2826         PR tree-optimization/30590
2827         * tree-nrv.c (tree_nrv): Check for the partial update of the
2828         return value.
2829
2830 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2831
2832         * flags.h (flag_random_seed): Remove declaration, in favor of...
2833         * toplev.h (get_random_seed, set_random_seed): ... these.
2834         * tree.c (get_file_function_name): Use the former.
2835         * opts.c (common_handle_option): Use the latter.
2836         * toplev.c
2837
2838 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2839
2840         PR middle-end/31127
2841         * cse.c (cse_find_path): Do not bail out if a basic block that
2842         we already visited now becomes part of a path that starts at a
2843         different basic block.  Just disallow this, to make sure we
2844         visit each basic block at most once.
2845
2846 2007-03-13  Jan Hubicka  <jh@suse.cz>
2847
2848         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2849         when profile esitmate is present, calls with very low frequency are
2850         cold.
2851
2852 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2853
2854         PR tree-optimization/30730
2855         PR tree-optimization/26900
2856         * tree-ssa-loop-niter.c: Include gmp.h.
2857         (bounds): New type.
2858         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2859         split_to_var_and_offset, determine_value_range,
2860         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2861         bound_difference, bounds_add, bounds_negate,
2862         number_of_iterations_ne_max, dump_affine_iv): New functions.
2863         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2864         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2865         difference of initial and final value of control iv to validate
2866         results.
2867         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2868         on the difference of the extremes of the control iv.  Add dumps.
2869         (expand_simple_operations): Handle phi nodes.
2870         (simplify_using_initial_conditions): Do not record used conditions.
2871         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2872         Do not set additional_info.
2873         (implies_nonnegative_p, implies_ge_p): Removed.
2874         (derive_constant_upper_bound): Do not use parameter `additional'.
2875         (record_estimate): Parameter `additional' removed.  Parameter
2876         `i_bound' added.  Do not call derive_constant_upper_bound.
2877         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2878         bound the number of iterations estimate.
2879         (estimate_numbers_of_iterations_loop): Pass the estimate from
2880         the number of iterations analysis to record_estimate.
2881         * tree.h (multiple_of_p): Declare.
2882         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2883         (scev_const_prop): Do not check expression_expensive_p.
2884         * fold-const.c (multiple_of_p): Exported.
2885         * double-int.c (double_int_mask): Exported.
2886         * double-int.h (double_int_mask): Declare.
2887         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2888         field.  Added max field.
2889
2890 2007-03-13  David Taylor  <taylor@candd.org>
2891
2892         PR driver/12448:
2893         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2894         default -MQ.
2895
2896 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2897
2898         PR target/31123
2899         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2900         two unamed patterns.
2901
2902 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2903
2904         * config/i386/i386.opt (mcx16, msahf): New options.
2905         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2906         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2907
2908         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2909         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2910         Output -mcx16 and -msahf options when corresponding bit is set.
2911
2912         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2913         and -msahf options.
2914
2915 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2916
2917         * configure.ac: Test for assembler tolerance to # 0 "".
2918         * configure, config.in: Rebuilt.
2919         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2920
2921 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2922
2923         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2924
2925         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2926         (handle_syscall): Handle direct system calls.
2927         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2928
2929 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2930
2931         * doc/invoke.texi: Fix cpp.info cross-reference.
2932         * doc/passes.texi: Fix gcc.info cross-reference.
2933
2934 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2935
2936         PR tree-optimization/30835
2937         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2938         bb_for_stmt is not NULL before accessing it.
2939
2940 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2941
2942         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2943         some multilibs.
2944
2945 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2946
2947         PR 30635
2948         * doc/install.texi: Document --enable-stage1-languages
2949
2950 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2951
2952         * tree-pass.h (pass_into_cfg_layout_mode,
2953         pass_outof_cfg_layout_mode): Declare.
2954         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2955         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2956         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2957         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2958
2959 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2960
2961         * c-decl.c (warn_variable_length_array): New function.
2962         Refactored from grokdeclarator to handle warn_vla
2963         and handle unnamed array case.
2964         (grokdeclarator): Refactored VLA warning case.
2965         * c.opt (Wvla): New flag.
2966         * doc/invoke.texi (Wvla): New warning.
2967
2968 2007-03-12  Richard Henderson  <rth@redhat.com>
2969
2970         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2971         (TARGET_SECTION_TYPE_FLAGS): New.
2972
2973 2007-03-12  Richard Henderson  <rth@redhat.com>
2974
2975         * config/darwin.c (machopic_reloc_rw_mask): New.
2976         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2977         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2978
2979 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2980
2981         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2982         * cppdefault.h (cpp_PREFIX): Document.
2983         (cpp_PREFIX_len): Likewise.
2984         (cpp_EXEC_PREFIX): New variable.
2985         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2986         * c-incpath.c (add_standard_paths): Correct logic for relocating
2987         paths within prefix.
2988
2989 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2990
2991         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2992         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2993         mode macro.
2994         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2995         fix_truncdfdi_sse using SSEMODEF mode macro.
2996         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2997         fix_truncdfsi_sse using SSEMODEF mode macro.
2998         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2999         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3000
3001 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3002
3003         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3004         elfos.h to tm_file.
3005
3006 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3007
3008         * tree.h : Add multiple_of_p declaration.
3009         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3010         * ipa-type-escape.c (results_of_malloc): Redundant.
3011         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3012         (cast_type): Extended with new members.
3013         (check_cast): Returns cast_type.
3014         (cast): New structure for data of walk_use_def_chains.
3015         (is_malloc_result, is_cast_from_non_pointer_1,
3016         is_cast_from_non_pointer,
3017         is_array_access_through_pointer_and_index): New functions.
3018         (look_for_casts): Returns cast types.
3019         (check_call): Returns void.
3020         (okay_pointer_operation): Use support of pointer plus index,
3021         pointer plus constant and allow all multiplications.
3022
3023 2007-03-11  Richard Guenther  <rguenther@suse.de>
3024
3025         PR tree-optimization/31115
3026         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3027         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3028         A shift count of zero is not special as with *_DIV_EXPR.
3029         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3030         direction.
3031
3032 2007-03-11  Ian Lance Taylor  <iant@google.com>
3033
3034         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3035         the *_DIV_EXPR codes correctly with overflow infinities.
3036
3037 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3038
3039         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3040         indicate success/failure of the analysis. Add negation to subtrahend
3041         in case of subtraction. Fail if both operands contain constants.
3042         (create_data_ref): Fail if analyze_offset fails.
3043
3044 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3045
3046         * config/i386/i386.md (frndintxf2): Rename to ...
3047         (rintxf2): ... this. Remove expander having same name.
3048         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3049         (roundsf2, rounddf2): Ditto.
3050         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3051         (lround<mode>di2, lround<mode>si2): Ditto.
3052
3053 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3054
3055         * lower-subreg.c: Include except.h.
3056         (decompose_multiword_subregs): Verify that the only control flow
3057         insns we can split are loads to multi-words pseudos.
3058         Handle breaking such blocks after splitting, instead of calling
3059         find_many_sub_basic_blocks.
3060
3061         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3062         on the new basic block.  Add a lengthy comment explaining why we
3063         thought this was necessary.
3064         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3065
3066 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3067
3068         PR c++/30924
3069         * tree.c (walk_type_fields): Recurse into the element type of
3070         ARRAY_TYPEs if there is a pointer set.
3071
3072 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3073
3074         * c-common.c (warn_logical_operator): Fix condition.
3075
3076 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3077
3078         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3079         quotation mark.
3080         * config/darwin.c (machopic_select_section): Remove superfluous
3081         argument in call to categorize_decl_for_section.  Remove unused
3082         variable shlib.
3083
3084 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3085
3086         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3087         defined.
3088         * configure: Regenerate.
3089
3090 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3091
3092         PR target/31101
3093         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3094         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3095         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3096         Add LABEL_NUSES to emitted label.
3097         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3098         branch probability value to emitted jump insn.
3099         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3100         Do not check life information and do not re-arrange input operands
3101         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3102
3103 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3104
3105         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3106         the change of decode_asm_operands.
3107
3108 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3109
3110         * mode-switching.c (create_pre_exit): Skip blockage insn.
3111
3112 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3113
3114         * tree-pass.h (TODO_update_smt_usage): Remove.
3115         Update all users.
3116         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3117         argument SOME.
3118         Update all users.
3119
3120 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3121
3122         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3123         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3124         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3125         SOM target.
3126
3127 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3128
3129         * gcc.c: Document %{, in big comment at top.
3130         (input_suffix_matches): Remove special handling for .s and
3131         .S.
3132         (input_spec_matches): New.
3133         (handle_braces): Handle %{,.
3134         (validate_switches): ',' indicates a value which is not a switch.
3135         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3136         to detect assembler input.
3137         * config/i386/sol2.h (CPP_SPEC): Likewise.
3138         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3139         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3140         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3141         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3142         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3143         -m64 causes deployment target to default to 10.5.
3144         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3145
3146 2007-03-09  Richard Henderson  <rth@redhat.com>
3147
3148         PR target/26090
3149         * target.h (targetm.asm.out.reloc_rw_mask): New.
3150         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3151         (TARGET_ASM_OUT): Use it.
3152         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3153         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3154         use the new reloc_rw_mask target hook instead.
3155         (default_section_type_flags_1): Merge into...
3156         (default_section_type_flags): ... here.
3157         (decl_readonly_section_1): Merge into...
3158         (decl_readonly_section): ... here.
3159         (default_elf_select_section_1): Merge into...
3160         (default_elf_select_section): ... here.
3161         (default_unique_section_1): Merge into...
3162         (default_unique_section): ... here.
3163         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3164         (default_select_rtx_section): Use it.
3165         (default_elf_select_rtx_section): Likewise.
3166         * output.h: Update to match.
3167         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3168         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3169         (TARGET_ASM_RELOC_RW_MASK): New.
3170         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3171         to categorize_decl_for_section.
3172         (x86_64_elf_unique_section): Likewise.
3173         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3174         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3175         (TARGET_ASM_RELOC_RW_MASK): New.
3176         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3177         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3178         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3179         (TARGET_RWRELOC): Remove.
3180         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3181         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3182         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3183         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3184         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3185         (rs6000_xcoff_select_section): Use decl_readonly_section.
3186         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3187         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3188         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3189         (TARGET_SECTION_TYPE_FLAGS): Remove.
3190         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3191
3192 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3193
3194         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3195         complex constant equality/inequality comparisons for here.
3196         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3197         known at compile-time or can be simplified to a scalar comparison.
3198         (fold_relational_const): Move compile-time evaluation of complex
3199         constant equality/inequality comparisons to here.
3200
3201 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3202
3203         PR rtl-optimization/30643
3204         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3205         dest_addr_elt.
3206         (fold_rtx): Recurse, like before 2006-11-03.
3207
3208 2007-03-09  DJ Delorie  <dj@redhat.com>
3209
3210         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3211         m32c-pragma.o.
3212
3213 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3214
3215         PR tree-optimization/30375
3216         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3217         LHS of statements is not the same.
3218         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3219
3220 2007-03-09  Chao-ying Fu  <fu@mips.com>
3221
3222         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3223         REV 2.
3224         * doc/invoke.texi (-mdspr2): Document new option.
3225         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3226         New unspec for DSP REV 2.
3227         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3228         these instructions are extended in DSP REV 2.
3229         (mips-dspr2.md): Include.
3230         * config/mips/mips.opt (mdspr2): New option.
3231         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3232         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3233         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3234         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3235         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3236         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3237         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3238         and 2 builtins.
3239         (bdesc_map): Add one field of unsupported_target_flags.
3240         (bdesc_arrays):  Update entries to have extra fields.  Add
3241         dsp_32only_bdesc.
3242         (mips_init_builtins): Initialize new function types.
3243         Check unsupported_target_fileds to filter out builtins.
3244         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3245         TARGET_DSPR2.
3246         (ASM_SPEC): Pass mdspr2 to the assembler.
3247         * config/mips/mips-dspr2.md: New file.
3248
3249 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3250
3251         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3252
3253 2007-03-09  Ian Lance Taylor  <iant@google.com>
3254
3255         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3256         argument) like -Wstrict-overflow=2.
3257         * doc/invoke.texi (Warning Options): Update documentation.
3258
3259 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3260
3261         PR c++/17946
3262         * doc/invoke.texi (-Wlogical-op): Document.
3263         * common.opt (-Wlogical-op): New.
3264         * c-common.h (warn_logical_operator): Declare.
3265         * c-common.c (warn_logical_operator): Define.
3266         * c-typeck.c (parser_build_binary_op): Call
3267         warn_logical_operator.
3268
3269 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3270
3271         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3272         * final.c (final_scan_insn): Test for non-"" file name.
3273
3274 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3275
3276         * doc/loop.texi: Document the Omega linear constraints solver.
3277         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3278         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3279         omega-hash-table-size, omega-max-keys, and
3280         omega-eliminate-redundant-constraints.
3281         * tree-pass.h (pass_check_data_deps): Declared.
3282         * omega.c: New.
3283         * omega.h: New.
3284         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3285         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3286         pass_check_data_deps): New.
3287         * tree-data-ref.c (init_data_ref): Remove declaration.
3288         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3289         (analyze_array): Renamed init_array_ref, move up initializations.
3290         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3291         Removed arguments that are set to NULL.
3292         (analyze_indirect_ref): Correct indentation, correct call to
3293         init_pointer_ref.
3294         (object_analysis): Call init_array_ref instead of analyze_array.
3295         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3296         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3297         of DR_ACCESS_FNS_ADDR.
3298         (init_omega_eq_with_af, omega_extract_distance_vectors,
3299         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3300         ddr_consistent_p): New.
3301         (compute_affine_dependence): Check consistency of ddrs when
3302         flag_check_data_deps is passed.
3303         (analyze_all_data_dependences): Uncomment.
3304         (tree_check_data_deps): New.
3305         * tree-data-ref.h: Include omega.h.
3306         (DR_ACCESS_FNS_ADDR): Removed.
3307         (data_dependence_relation): Add inner_loop.
3308         (DDR_INNER_LOOP): New.
3309         * common.opt (fcheck-data-deps): New.
3310         * tree-flow.h (tree_check_data_deps): Declare.
3311         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3312         (OBJS-common): Depend on omega.o.
3313         (omega.o): Define.
3314         * passes.c (pass_check_data_deps): Scheduled.
3315         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3316         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3317         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3318         PARAM_VECT_MAX_VERSION_CHECKS,
3319         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3320
3321 2007-03-09  Richard Guenther  <rguenther@suse.de>
3322
3323         PR tree-optimization/30904
3324         PR middle-end/31058
3325         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3326         the same way as *_DIV_EXPR.
3327
3328 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3329
3330         * recog.c (decode_asm_operands): No mixed declarations and code.
3331
3332 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3333
3334         * rtl.def (ASM_INPUT): Add location.
3335         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3336         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3337         (decode_asm_operands): Add loc operand.
3338         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3339         * stmt.c (expand_asm): Rename to...
3340         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3341         gen_rtx_ASM_INPUT_loc.
3342         (expand_asm_expr): Adjust.
3343         * recog.c (decode_asm_operands): Add loc operand.
3344         (check_asm_operands, extract_insn): Adjust.
3345         * reload1.c (maybe_fix_stack_asms): Likewise.
3346         * final.c (asm_insn_count): Likewise.
3347         (final_scan_insn): Output # line before and after asm.
3348
3349 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3350
3351         * tree-ssa-structalias.c (variable_info): Remove
3352         finished_solution.
3353         (new_var_info): Ditto.
3354         (shared_bitmap_info_t): New structure.
3355         (shared_bitmap_table): New variable.
3356         (shared_bitmap_hash): New function.
3357         (shared_bitmap_eq): Ditto
3358         (shared_bitmap_lookup): Ditto.
3359         (shared_bitmap_add): Ditto.
3360         (merge_smts_into): Change to take bitmap directly.
3361         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3362         (init_alias_vars): Init shared bitmap hashtable.
3363         (delete_points_to_sets): Delete shared bitmap hashtable.
3364         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3365         is_aliased removal as a change that was still necessary was
3366         deleted.
3367
3368 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3369
3370         * config/i386/i386.h (override_options): Conditionally disable
3371         x86_sahf for 64bit targets only.
3372
3373 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3374
3375         PR C/31072
3376         * c-decl.c (merge_decls): Don't call make_var_volatile.
3377         * varasm.c (make_var_volatile): Remove.
3378         * output.h (make_var_volatile): Remove.
3379
3380 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3381
3382         PR tree-optimization/31085
3383         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3384
3385 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3386
3387         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3388         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3389         ATTR_CONST_NOTHROW_LIST.
3390
3391         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3392         FIX_TRUNC_EXPR.
3393
3394 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3395
3396         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3397
3398 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3399
3400         PR 31013
3401         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3402         is declared.
3403         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3404         passed, use shared libgcc.
3405
3406 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3407
3408         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3409         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3410         (honor_protect_cleanup_actions, lower_try_finally_switch):
3411         Likewise.
3412         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3413         ifc_temp_var): Likewise.
3414         * tree-inline.c (setup_one_parameter): Likewise.
3415         * tree-mudflap.c (mf_decl_cache_locals,
3416         mf_build_check_statement_for): Likewise.
3417         * tree-nested.c (init_tmp_var, save_tmp_var,
3418         finalize_nesting_tree_1): Likewise.
3419         * tree-outof-ssa.c (insert_copy_on_edge,
3420         insert_backedge_copies): Likewise.
3421         * tree-profile.c (tree_gen_edge_profiler,
3422         tree_gen_ic_profiler): Likewise.
3423         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3424         * tree-sra.c (sra_build_assignment): Likewise.
3425         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3426         * tree-ssa-math-opts.c (insert_reciprocals,
3427         execute_cse_sincos_1): Likewise.
3428         * tree-tailcall.c (adjust_accumulator_values,
3429         adjust_return_value): Likewise.
3430         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3431         * tree-vect-transform.c (vect_create_data_ref_ptr,
3432         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3433         vect_create_epilog_for_reduction, vectorizable_reduction,
3434         vectorizable_call, vectorizable_conversion,
3435         vectorizable_assignment, vectorizable_operation,
3436         vectorizable_type_demotion, vect_gen_widened_results_half,
3437         vect_permute_store_chain, vectorizable_store,
3438         vect_setup_realignment, vect_permute_load_chain,
3439         vectorizable_load, vectorizable_condition,
3440         vect_create_cond_for_align_checks): Likewise.
3441         * tree-vrp.c (build_assert_expr_for): Likewise.
3442
3443 2007-03-08  Ian Lance Taylor  <iant@google.com>
3444
3445         * tree-vrp.c: Include "intl.h".
3446         (usable_range_p): New static function.
3447         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3448         overflowed values, juts set *strict_overflow_p.
3449         (compare_values): Only return -2 if one of the operands is not a
3450         constant.
3451         (compare_ranges): Call usable_range_p.
3452         (compare_range_with_value): Likewise.
3453         (vrp_evaluate_conditional_warnv): Rename from
3454         vrp_evaluate_conditional.  Make static.  Change all callers.
3455         (vrp_evaluate_conditional): New function.
3456         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3457         on signed overflow.
3458         (simplify_abs_using_ranges): Likewise.
3459         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3460         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3461         within_stmt parameter.
3462         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3463         vrp_evaluate_conditional.
3464         * tree-ssa-threadedge.c
3465         (record_temporary_equivalences_from_stmts_at_dest): Change
3466         simplify parameter to take a second tree parameter.
3467         (simplify_control_stmt_condition): Likewise.
3468         (thread_across_edge): Likewise.
3469         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3470         (thread_across_edge): Likewise.
3471         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3472
3473 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3474
3475         * config/i386/i386.h (TARGET_SAHF): New define.
3476         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3477         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3478         (x86_sahf): New global variable.
3479         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3480         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3481         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3482         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3483         for 64-bit.
3484         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3485         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3486         when expanding fcomi/sahf based tests.
3487         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3488         expanding sahf based alternative. Emit sahf based sequence when
3489         optimizing for code size.
3490         * config/i386/i386.md (x86_sahf_1): Do not disable for
3491         TARGET_64BIT, enable for TARGET_SAHF.
3492
3493 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3494
3495         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3496         spurious whitespace from error message.
3497
3498 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3499
3500         PR c++/30852
3501         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3502
3503 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3504
3505         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3506         bitfields.
3507         * tree-sra.c (instantiate_element): Propagate disabled warnings
3508         from the element itself to the created variable.
3509
3510 2007-03-07  Richard Henderson  <rth@redhat.com>
3511
3512         PR target/30848
3513         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3514         silently fix up the stack in the case of a missing register.
3515
3516 2007-03-07  Paul Brook  <paul@codesourcery.com>
3517
3518         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3519
3520 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3521
3522         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3523         New.
3524         (phase1_vrs): Use them.
3525         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3526         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3527         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3528         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3529         __gnu_Unwind_Restore_WMMXC if required.
3530         (_Unwind_VRS_Pop): Implement iWMMXt support.
3531         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3532         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3533         gnu_Unwind_Save_WMMXC): Define.
3534
3535 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3536
3537         * config/vxworks.h (vxworks_override_options): Declare.
3538         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3539         * config/vxworks.c: Include target.h and toplev.h.
3540         (vxworks_override_options): New function.
3541         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3542
3543 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3544
3545         * config/s390/s390.c (override_options): Don't emit an error when
3546         -mstack-size is used without providing -mstack-guard.
3547         (s390_emit_prologue): Choose stack_guard value automatically if not
3548         provided via command line.
3549         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3550
3551 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3552
3553         * config/i386/i386.c (output_set_got): Add a GOT initialization
3554         sequence for VxWorks PIC.
3555         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3556         around labels as well as symbols.  Use gotoff_operand instead
3557         of local_symbolic_operand.
3558         (legitimize_pic_address): Use gotoff_operand instead of
3559         local_symbolic_operand.  Use @GOT accesses for labels as
3560         well as symbols.
3561         (ix86_output_addr_diff_elt): Use PC-relative rather than
3562         GP-relative offsets for VxWorks PIC.
3563         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3564         no_new_pseudos.  Check whether the returned register is op0.
3565         * config/i386/i386.md (tablejump): Use PC-relative rather than
3566         GP-relative offsets for VxWorks PIC.
3567         * config/i386/predicates.md (gotoff_operand): New predicate.
3568
3569 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3570
3571         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3572         before defining.
3573         * config/vxworks-dummy.h: New file.
3574         * config/i386/i386.h: Include it.
3575
3576 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3577
3578         * dwarf2out.c (is_inlined_entry_point): New
3579         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3580         DW_AT_ranges if the first subblock is the entry point.
3581
3582 2007-03-06  David Daney  <ddaney@avtrex.com>
3583
3584         * doc/install.texi (mips-*-*): Change recommended binutils
3585         version.
3586
3587 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3588
3589         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3590         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3591         devices.
3592         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3593         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3594
3595 2007-03-06  Jan Hubicka  <jh@suse.cz>
3596
3597         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3598         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3599         are hot.
3600         (probably_cold_bb_p): Cold functions are cold.
3601         (probably_never_executed_bb_p): Cold functions are cold.
3602         (tree_bb_level_predictions): Predict calls to cold functions as not
3603         taken.
3604         (compute_function_frequency): Check hot/cold attributes.
3605         * function.h (function_frequency): Update comments.
3606         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3607         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3608         (c_common_att): Add cold and hot.
3609
3610         * doc/extend.texi (hot,cold attributes): Document.
3611
3612 2007-03-06  Andrew Haley  <aph@redhat.com>
3613
3614         * function.c (expand_function_end): Move blockage to just after we
3615         emit the label for the naked return from the function.
3616
3617 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3618
3619         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3620         before redefining.
3621
3622 2007-03-06  Jan Hubicka  <jh@suse.cz>
3623
3624         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3625         loaded for constant large models.  Non-large 64bit PIC can do.
3626         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3627         * cmodel.h: Add LARGE PIC.
3628         * i386.md (UNSPEC_PLTOFF): New.
3629         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3630         needed.
3631         (*call_1_rex64): Disable for large models.
3632         (*call_1_rex64_large): New.
3633         (*call_value_1_rex64): Disable for large models.
3634         (*call_value_1_rex64_large): New.
3635         (set_rip_rex4): New.
3636         (set_got_offset_rex64): New.
3637         * predicates.md (constant_call_address_operand): For large model
3638         constant calls are not possible.
3639         * i386-protos.h (construct_plt_address): Declare.
3640         * i386.c (override_options): Accept large models.
3641         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3642         (legitimate_constant_p): Add new UNSPECs.
3643         (legitimate_pic_operand_p): Likewise.
3644         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3645         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3646         non-large model.
3647         (output_pic_addr_const): Add PLTOFF.
3648         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3649         (ix86_expand_move): Legitimize pic address when in PIC mode.
3650         (construct_plt_address): New function.
3651         (ix86_expand_call): Offload the address to register and use GOT pointer
3652         for large model.
3653         * invoke.texi (mcmodel=large): Update documentation.
3654
3655 2007-03-06  Richard Henderson  <rth@redhat.com>
3656
3657         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3658         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3659         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3660         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3661         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3662         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3663         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3664         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3665         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3666         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3667         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3668         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3669         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3670         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3671         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3672         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3673         x86_schedule, x86_use_bt, x86_pad_returns,
3674         x86_use_xchgb): Merge into ...
3675         (ix86_tune_features): ... here.  New array.
3676         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3677         x86_bswap): Merge into ...
3678         (ix86_arch_features): ... here.  New array.
3679         (x86_3dnow_a): Remove.
3680         (x86_accumulate_outgoing_args): Make static.
3681         (x86_arch_always_fancy_math_387): Make static.
3682         (ix86_tune_mask, ix86_arch_mask): Move ...
3683         (override_options): ... to local variables here.  Apply the
3684         appropriate mask to each element of ix86_arch_features and
3685         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3686         as were done in the old macros.
3687         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3688         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3689         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3690         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3691         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3692         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3693         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3694         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3695         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3696         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3697         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3698         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3699         x86_accumulate_outgoing_args, x86_prologue_using_move,
3700         x86_epilogue_using_move, x86_decompose_lea,
3701         x86_arch_always_fancy_math_387, x86_shift1,
3702         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3703         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3704         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3705         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3706         x86_use_incdec, x86_pad_returns, x86_bswap,
3707         x86_partial_flag_reg_stall): Remove.
3708         (enum ix86_tune_indices): New.
3709         (ix86_tune_features): New.
3710         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3711         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3712         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3713         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3714         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3715         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3716         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3717         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3718         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3719         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3720         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3721         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3722         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3723         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3724         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3725         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3726         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3727         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3728         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3729         TARGET_EXT_80387_CONSTANTS): Use it.
3730         (enum ix86_arch_indices): New.
3731         (ix86_arch_features): New.
3732         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3733         TARGET_BSWAP): Use it.
3734         (ix86_tune_mask, ix86_arch_mask): Remove.
3735
3736 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3737
3738         PR bootstrap/31020
3739         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3740         Define using $${sysroot_headers_suffix}.
3741         * configure: Regenerate.
3742         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3743         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3744         defined.
3745         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3746         * gcc.c (print_sysroot_headers_suffix): New.
3747         (option_map): Include --print-sysroot-headers-suffix.
3748         (display_help): Mention -print-sysroot-headers-suffix.
3749         (process_command): Handle -print-sysroot-headers-suffix.
3750         (do_spec_1): Append multilib directory to include-fixed path if
3751         sysroot suffixes in use.
3752         (main): Handle -print-sysroot-headers-suffix.
3753         * Makefile.in (start.encap): Don't depend on xlimits.h
3754         (xlimits.h): Remove.
3755         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3756         limits.h for each multilib in fixinc_list.
3757         (fixinc_list, s-fixinc_list): New.
3758         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3759         generate them for each multilib in fixinc_list.
3760         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3761         multilib in fixinc_list.
3762         (mostlyclean): Don't remove xlimits.h.
3763         (clean): Remove include-fixed.
3764         (real-install-headers-tar, real-install-headers-cpio,
3765         real-install-headers-cp): Don't copy include, only include-fixed.
3766         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3767         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3768         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3769         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3770
3771 2007-03-06  Jan Hubicka  <jh@suse.cz>
3772
3773         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3774         NANs easilly.
3775
3776 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3777
3778         * configure.ac: Allow tm_file to contain build-directory files.
3779         * configure: Regenerate.
3780         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3781         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3782         * config/m68k/print-sysroot-suffix.sh: New file.
3783
3784 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3785
3786         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3787         of pic_offset_table_rtx if reload_completed.
3788         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3789         PIC_OFFSET_TABLE_REGNUM.
3790         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3791         return true.
3792         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3793         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3794
3795 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3796
3797         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3798         functions that call eh_return.
3799
3800 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3801
3802         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3803         functions that need a constant pool.
3804
3805 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3806
3807         PR target/28181
3808         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3809         (m68k_preferred_reload_class): Likewise.
3810         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3811         (SECONDARY_RELOAD_CLASS): Define.
3812         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3813         (LIMIT_RELOAD_CLASS): Delete.
3814         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3815         registers from storing bytes.
3816         (m68k_secondary_reload_class): New function.
3817         (m68k_preferred_reload_class): Likewise.
3818
3819 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3820
3821         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3822         leaf functions.
3823         (m68k_expand_prologue): Likewise.
3824
3825 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3826
3827         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3828         (mips_expand_epilogue): Add a bool parameter.
3829         (m68k_legitimize_sibcall_address): Declare.
3830         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3831         (m68k_expand_epilogue): Add a parameter to select between sibling
3832         and normal epilogues.  Only generate a return for the latter.
3833         (m68k_ok_for_sibcall_p): New function.
3834         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3835         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3836         (sibcall_value, *sibcall_value): Likewise.
3837         (*call, *call_value): Require !SIBLING_CALL_P.
3838         (epilogue): Update call to m68k_expand_epilogue.
3839         (sibcall_epilogue): New pattern.
3840         * config/m68k/predicates.md (const_call_operand): Say that this
3841         predicate applies to sibling calls too.
3842         (sibcall_operand): New predicate.
3843
3844 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3845
3846         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3847         alternatives as movsi_cf.
3848         (movsf_cf_hard): Add commentary.
3849
3850 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3851             Richard Sandiford  <richard@codesourcery.com>
3852
3853         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3854         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3855         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3856         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3857         as being live on exit from an interrupt function.
3858         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3859         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3860         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3861         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3862         (m68k_interrupt_function_p): Globalize.
3863         (m68k_compute_frame_layout): Remove reverse mask code.
3864         (m68k_emit_movem, m68k_set_frame_related): New functions.
3865         (m68k_output_function_prologue): Delete in favor of...
3866         (m68k_expand_prologue): ...this new function.
3867         (m68k_output_function_epilogue): Delete in favor of...
3868         (m68k_expand_epilogue): ...this new function.
3869         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3870         functions.
3871         (print_operand): Handle %?.
3872         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3873         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3874         (prologue, epilogue): New patterns.
3875         (return): Turn into a define_expand.
3876         (*return): New pattern, derived from old "return" pattern.  Use rte
3877         rather than rts for interrupt functions.  Only use rtd if the pop
3878         count is nonzero.
3879         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3880         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3881         (link, *link, unlink, *unlink, load_got): Likewise.
3882
3883 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3884
3885         PR target/23482
3886         PR target/17114
3887         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3888         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3889         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3890         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3891         and m68k_matches_u_p.
3892         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3893         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3894         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3895         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3896         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3897         (REG_STRICT_P): New macro.
3898         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3899         PCREL_GENERAL_OPERAND_OK.
3900         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3901         m68k_legitimate_base_reg_p.
3902         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3903         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3904         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3905         * config/m68k/m68k.c (m68k_address): New structure.
3906         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3907         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3908         (m68k_jump_table_ref_p, m68k_decompose_address)
3909         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3910         (m68k_matches_u_p): New functions.
3911         (print_operand_address): Rewrite to use m68k_decompose_index.
3912
3913 2007-03-05  David Taylor  <dtaylor@emc.com>
3914
3915         * gcc.c: Correct copyright date in --version output.
3916
3917 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3918
3919         * pa.md: In unamed move patterns, disparge copies between general
3920         and floating point registers using '?' modifier.  Don't include 'f'
3921         constraint for register preferences in DImode, SImode, HImode and
3922         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3923         Remove constraints for copies between general and floating registers
3924         in soft-float DFmode pattern.
3925         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3926         floating register.
3927         (movsf): Likewise.
3928
3929 2007-03-05  Mike Stump  <mrs@apple.com>
3930
3931         * c-common.c (targetcm): Add.
3932         * c-opts.c (c_common_handle_option): Handle language specific
3933         target options.
3934         * opts.c (handle_option): Verify language for target options, if
3935         any are given.
3936         * opth-gen.awk: Add CL_LANG_ALL.
3937         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3938         (TARGETCM_INITIALIZER): Add.
3939         * target.h (struct gcc_targetcm): Add.
3940         (targetcm): Add.
3941         * targhooks.c (default_handle_c_option): Add.
3942         * targhooks.h (default_handle_c_option): Add.
3943         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3944
3945         * config/darwin.opt (iframework): Add.
3946         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3947         * config/darwin-c.c (handle_c_option): Add.
3948         (TARGET_HANDLE_C_OPTION): Add.
3949         (targetcm): Add.
3950         * doc/invoke.texi (Darwin Options): Add -iframework.
3951
3952 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3953
3954         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3955         conversion.
3956
3957 2007-03-05  Ian Lance Taylor  <iant@google.com>
3958
3959         * c.opt (fgnu89-inline): New option.
3960         * c-opts.c (c_common_post_options): Set default value for
3961         flag_gnu89_inline.
3962         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3963         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3964         inline functions.
3965         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3966         (grokdeclarator, start_function): Likewise.
3967         * c-cppbuiltin.c (c_cpp_builtins): Define either
3968         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3969         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3970         (C Dialect Options): Document -fgnu89-inline.
3971         * doc/extend.texi (Function Attributes): Explain what the
3972         gnu_inline attribute does.
3973         * doc/cpp.texi (Common Predefined Macros): Document
3974         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3975
3976 2007-03-05  Ian Lance Taylor  <iant@google.com>
3977
3978         PR tree-optimization/31034
3979         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3980         half-range if the other side is an overflow infinity.
3981
3982 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3983
3984         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3985         (bfin*-linux-uclibc*): New configuration.
3986         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3987         defining.
3988         * config/bfin/linux.h: New file.
3989         * config/bfin/libgcc-bfin.ver: New file.
3990         * config/bfin/t-bfin-uclinux: New file.
3991         * config/bfin/t-bfin-linux: New file.
3992         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3993         (TARGET_OS_CPP_BUILTINS): New macro.
3994
3995 2007-03-05  Richard Guenther  <rguenther@suse.de>
3996
3997         * fold-const.c (fold_binary): Remove duplicate folding
3998         of comparison of non-null ADDR_EXPR against null.
3999
4000 2007-03-05  Richard Guenther  <rguenther@suse.de>
4001             Dorit Nuzman  <dorit@il.ibm.com>
4002
4003         PR tree-optimization/26420
4004         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4005         are no loops in the function.  Only print the number of
4006         vectorized loops if it is greater than zero or we are supposed
4007         to print information about unvectorized loops.
4008
4009 2007-03-05  Revital Eres  <eres@il.ibm.com>
4010
4011         * gcc.dg/var-expand1.c: New test.
4012         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4013         when an accumulator is expanded.
4014
4015 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4016
4017         PR other/30465
4018         * c-common.c (convert_and_check): Don't give warnings for
4019         conversion if 'expr' already overflowed.
4020
4021 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4022
4023         PR middle-end/30744
4024         * fold-const.c (fold_comparison): Enforce type consistency when
4025         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4026
4027 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4028
4029         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4030         containing a cast to the base of TARGET_MEM_REF.
4031
4032 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4033
4034         * tree.c (tree_contains_struct_check_failed): Remove spurious
4035         whitespace from error message.
4036
4037 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4038
4039         PR target/30406
4040         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4041         instead of precision.
4042
4043 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4044             Nathan Sidwell  <nathan@codesourcery.com>
4045
4046         * emit-rtl.c (find_auto_inc): New.
4047         (try_split): recreate REG_INC notes,
4048         Use regular for loops rather than whiles.
4049
4050 2007-03-03  Andreas Schwab  <schwab@suse.de>
4051
4052         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4053         * configure: Regenerate.
4054
4055 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4056
4057         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4058         flag_rounding_math, not flag_unsafe_math_optimizations.
4059
4060         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4061         fold_build2.
4062         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4063         alpha_fold_vector_minmax): Likewise.
4064         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4065         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4066
4067 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4068
4069         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4070         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4071         if the lhs has side-effects.
4072         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4073
4074 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4075
4076         * config/i386/i386.h (TUNEMASK): Remove define.
4077         (ARCHMASK): Remove define.
4078         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4079          Use ix86_arch_mask variable instead of ARCHMASK.
4080         * config/i386/i386.c (override_options): Ditto.
4081         (standard_80387_constant_p): Ditto.
4082
4083 2007-03-02  Ian Lance Taylor  <iant@google.com>
4084
4085         Used signed infinities in VRP.
4086         * tree-vrp.c (uses_overflow_infinity): New static function.
4087         (supports_overflow_infinity): New static function.
4088         (make_overflow_infinity): New static function.
4089         (negative_overflow_infinity): New static function.
4090         (positive_overflow_infinity): New static function.
4091         (is_negative_overflow_infinity): New static function.
4092         (is_positive_overflow_infinity): New static function.
4093         (is_overflow_infinity): New static function.
4094         (overflow_infinity_range_p): New static function.
4095         (compare_values_warnv): New function split out of compare_values.
4096         (compare_value): Call it.
4097         (set_value_range_to_nonnegative): Add overflow_infinity
4098         parameter.  Change caller.
4099         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4100         Change callers.
4101         (vrp_expr_computes_nonzero): Likewise.
4102         (compare_ranges, compare_range_with_value): Likewise.
4103         (compare_name_with_value, compare_names): Likewise.
4104         (vrp_evaluate_conditional): Likewise.
4105         (set_value_range): Handle infinity
4106         (vrp_operand_equal_p, operand_less_p): Likewise.
4107         (extract_range_from_assert): Likewise.
4108         (vrp_int_const_binop): Likewise.
4109         (extract_range_from_binary_expr): Likewise.
4110         (extract_range_from_unary_expr): Likewise.
4111         (extract_range_from_comparison): Likewise.
4112         (extract_range_from_expr): Likewise.
4113         (dump_value_range): Likewise.
4114         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4115         (test_for_singularity): Likewise.
4116         (vrp_int_const_binop): Remove inline qualifier.
4117         (adjust_range_with_scev): Add comment.
4118         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4119
4120 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4121
4122         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4123         (get_constraint_for): Likewise.
4124         (do_structure_copy): Likewise.
4125         (find_func_aliases): Fix references to MODIFY_EXPR.
4126         (intra_create_variable_infos): Tidy.
4127         * tree-ssa-operands.c (add_virtual_operand): Add argument
4128         IS_CALL_SITE.
4129         When adding members of alias sets, if IS_CALL_SITE is true and
4130         the symbol is not call-clobbered, skip it.
4131         Adjust all callers.
4132
4133 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4134
4135         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4136         entry by means of emit_insn_at_entry.
4137
4138 2007-03-02  Richard Henderson  <rth@redhat.com>
4139
4140         * expr.h (promoted_input_arg): Remove decl.
4141         * function.c (promoted_input_arg): Merge into ...
4142         * combine.c (setup_incoming_promotions): ... only caller.
4143         Rearrange to avoid double loop.
4144
4145 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4146             Peter Bergner  <bergner@vnet.ibm.com>
4147             Janis Johnson  <janis187@us.ibm.com>
4148
4149         * config/rs6000/dfp.md: New file.
4150         * config/rs6000/rs6000.md: Include dfp.md.
4151         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4152         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4153         and TDmode decimal float modes in FP registers.
4154         (num_insns_constant): Likewise.
4155         (rs6000_legitimate_offset_address_p): Likewise.
4156         (rs6000_legitimize_address): Likewise.
4157         (rs6000_legitimize_reload_address): Likewise.
4158         (rs6000_legitimate_address): Likewise.
4159         (rs6000_emit_move): Likewise.
4160         (function_arg_boundary): Likewise.
4161         (function_arg_advance): Likewise.
4162         (rs6000_darwin64_record_arg_recurse): Likewise.
4163         (function_arg): Likewise.
4164         (rs6000_gimplify_va_arg): Likewise.
4165         (rs6000_split_multireg_move): Likewise.
4166         (rs6000_output_function_epilogue): Likewise.
4167         (rs6000_output_function_epilogue): Likewise.
4168         (rs6000_register_move_cost): Likewise.
4169         (rs6000_function_value): Likewise.
4170         (rs6000_libcall_value): Likewise.
4171
4172 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4173
4174         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4175
4176 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4177
4178         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4179         Use $MULTIDIR to choose between the kernel and RTP headers,
4180         and use $WIND_BASE and $WIND_USR to locate them.
4181
4182 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4183
4184         * config/i386/i386.c (override_options): Put initialization of
4185         ix86_tune_mask and ix86_arch_mask to the correct place.
4186
4187 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4188             Michael Meissner  <michael.meissner@amd.com>
4189
4190         PR target/31019
4191         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4192         (ARCHMASK): Define.
4193         (TARGET_CMOVE): Use ARCHMASK.
4194         (TARGET_CMPXCHG): Ditto.
4195         (TARGET_CMPXCHG8B): Ditto.
4196         (TARGET_XADD): Ditto.
4197         (TARGET_BSWAP): Ditto.
4198         * config/i386/i386.c (ix86_tune_mask): New global variable.
4199         (ix86_arch_mask): Ditto.
4200         (override_options): Initialize ix86_tune_mask and
4201         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4202         target_flags.
4203
4204 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4205
4206         PR 30992
4207         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4208
4209 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4210
4211         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4212         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4213         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4214         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4215         hook.
4216         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4217         rs6000_init_dwarf_reg_sizes_extra): New.
4218         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4219         SPE register high parts.
4220
4221 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4222
4223         * Makefile.in: Add install-pdf target as
4224         copied from automake v1.10 rules.
4225         * configure.ac: Add install-pdf to target list.
4226         * configure: Regenerate.
4227
4228 2007-03-01  Paul Brook  <paul@codesourcery.com>
4229
4230         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4231         modes to LDRD for DImode.
4232         (output_move_double): Fixup out of range ldrd/strd.
4233         (vfp_secondary_reload_class): Rename...
4234         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4235         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4236         coproc_secondary_reload_class for CLASS_IWMMXT.
4237         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4238         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4239
4240 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4241
4242         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4243         factor by the estimated number of iterations.
4244         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4245         prefetch latency.
4246
4247         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4248         decode_caches_intel, detect_caches_intel): New functions.
4249         (host_detect_local_cpu): Use detect_caches_amd and
4250         detect_caches_intel.
4251
4252 2007-03-01  Richard Henderson  <rth@redhat.com>
4253
4254         * expr.c (emit_move_complex_push): Export.
4255         (emit_move_complex_parts): Split out from ...
4256         (emit_move_complex): ... here.
4257         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4258         * config/i386/i386.md (movcdi): New.
4259
4260 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4261
4262         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4263         size of mode1 to check for tieable modes in MMX case.
4264
4265 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4266
4267         * Makefile.in (rtlanal.o): Depend on tree.h.
4268         * rtl.h (offset_within_section_p, split_const): Declare.
4269         * rtlanal.c: Include tree.h.
4270         (offset_within_block_p): New function, taken from
4271         mips_offset_within_object_p.
4272         (split_const): New function, taken from mips_split_const.
4273         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4274         Declare.
4275         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4276         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4277         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4278         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4279         (m68k_illegitimate_symbolic_constant_p): New function.
4280         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4281         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4282         symbolic constant that might be outside the symbol's section,
4283         move the symbol first and then add the offset.
4284         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4285         Override.
4286         * config/mips/mips.c (mips_split_const): Delete.
4287         (mips_offset_within_object_p): Delete.
4288         (mips_symbolic_constant_p): Use offset_within_section_p and
4289         split_const instead of mips_offset_within_object_p and
4290         mips_split_const.
4291         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4292         (mips_legitimize_const_move, print_operand_reloc)
4293         (mips_dangerous_for_la25_p): Use split_const instead of
4294         mips_split_const.
4295
4296 2007-02-28  Eric Christopher  <echristo@apple.com>
4297
4298         * Makefile.in (install-include-dir): Don't rm -rf include.
4299
4300 2007-02-28  Richard Guenther  <rguenther@suse.de>
4301
4302         PR middle-end/30364
4303         * fold-const.c (fold_binary): Do not associate expressions
4304         with more than one variable for integer types that do not wrap.
4305
4306 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4307
4308         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4309         Delete, and replace with...
4310         (fold_builtin_call_array): This.  Update callers to use it.
4311         * fold-const.c (fold_build_call_list): Delete, and replace with...
4312         (fold_build_call_array): This.
4313         (fold_build_call_list_initializer): Delete, and replace with...
4314         (fold_build_call_array_initializer): This.
4315         * tree.h: Update declarations to reflect above changes.
4316
4317         * c-typeck.c (build_function_call): Store converted arguments
4318         in a stack-allocated array instead of building a list.
4319         (convert_arguments): Store arguments in the array passed in as an
4320         argument, and return the actual number of arguments.
4321         * c-format.c: (check_function_format): Pass arguments in an
4322         array instead of a list.
4323         * c-common.c (check_function_nonnull): Likewise.
4324         (check_function_sentinel): Likewise.
4325         (check_function_arguments): Likewise.
4326         * c-common.h: Update declarations to reflect above changes.
4327
4328 2007-02-28  Jan Hubicka  <jh@suse.cz>
4329
4330         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4331         PRED_NEGATIVE_RETURN): Update outcomes.
4332
4333 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4334
4335         * calls.c (emit_library_call_value_1): Handle partial registers
4336         correctly when building up CALL_INSN_FUNCTION_USAGE.
4337
4338 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4339
4340         * pa/predicates.md (move_src_operand): Allow zero for mode.
4341         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4342         move pattern.
4343
4344 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4345
4346         PR target/30970
4347         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4348         *movv2df_internal): Enable pattern only for valid operand
4349         combinations.
4350         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4351         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4352
4353 2007-02-27  Mike Stump  <mrs@apple.com>
4354
4355         * config/darwin-crt3.c: Avoid compilation when compiling for a
4356         kext multilib.
4357
4358 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4359
4360         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4361         FIXED_INCLUDE_DIR.
4362         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4363         for fixed headers and limits.h.
4364         (install-include-dir, install-headers-tar, install-headers-cpio,
4365         install-headers-cp, real-install-headers-tar,
4366         real-install-headers-cpio, real-install-headers-cp): Handle
4367         include-fixed as well as include.
4368         (install-mkheaders): Don't install files that go only in include
4369         not include-fixed.
4370         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4371         from GCC_INCLUDE_DIR.
4372         * gcc.c (process_command): Remove special -BstageN/ handling.
4373         (do_spec_1): Add include-fixed directories.
4374
4375 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4376
4377         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4378         _smulsi3_highpart.
4379         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4380         New functions.
4381         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4382         patterns.
4383
4384 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4385
4386         * c-common.c (get_priority): Add check for
4387         SUPPORTS_INIT_PRIORITY.
4388
4389 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4390
4391         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4392
4393         * config/bfin/bfin.c: Include "cfglayout.h".
4394         (MAX_LSETUP_DISTANCE): New macro.
4395         (struct loop_info): New members incoming, incoming_src and
4396         incoming_dest.  Delete member predecessor.
4397         (length_for_loop): New function.
4398         (bfin_optimize_loop): Handle more different loop structures.
4399         (bfin_discover_loop): Rework detection of predecessor blocks by
4400         examining incoming edges.
4401         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4402         bfin_reorg_loops.
4403         (bfin_reorder_loops): New function.
4404         (bfin_reorg_loops): Use these three new functions.
4405
4406         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4407         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4408         (CONSTRAINT_LEN): Add entry for 'q'.
4409         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4410         Add 'q' constraints.
4411         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4412         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4413
4414         * config/bfin/bfin.md (add_with_carry): New pattern.
4415         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4416         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4417         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4418         support unsigned multiplies too.  Removed incorrect commutativity from
4419         operand 1 constraint where appropriate.
4420         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4421         patterns.
4422         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4423         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4424         New patterns.
4425         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4426         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4427         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4428         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4429         usmulhisi_hh_huh): New patterns.
4430
4431         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4432         lshifthi3): Fix output template to use half reg for operand 2.
4433
4434         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4435         instead of R2.
4436
4437         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4438
4439 2007-02-27  Andreas Schwab  <schwab@suse.de>
4440
4441         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4442
4443 2007-02-27  Jan Hubicka  <jh@suse.cz>
4444
4445         * predict.c (last_basic_block_p): Remove.
4446         (tree_estimate_probability): Update return heuristic for commonized
4447         return blocks.
4448
4449 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4450
4451         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4452
4453 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4454
4455         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4456         * doc/cpp.texi: Standardize title page.
4457         * doc/cppinternals.texi: Likewise.
4458         * doc/gcc.texi: Standardize title page, remove version number
4459         from copyright page.
4460         * doc/gccint.texi: Likewise.
4461         * doc/install.texi: Standardize title page, add table of
4462         contents.
4463
4464 2007-02-26  Jan Hubicka  <jh@suse.cz>
4465
4466         * predict.def: Set outcomes according to more recent results.
4467         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4468         Remove dead predictors.
4469         * predict.c (return_prediction): Fix pasto.
4470
4471 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4472
4473         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4474         change; avoid a memory leak when returning early.
4475
4476 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4477
4478         * c-decl.c (static_ctors): Move to c-common.c.
4479         (static_dtors): Likewise.
4480         (finish_function): Use c_record_cdtor_fn.
4481         (build_cdtor): Move to c-common.c.
4482         (c_write_global_declarations): Use c_build_cdtor_fns.
4483         * c-common.h (static_ctors): Declare.
4484         (static_dtors): Likewise.
4485         (c_record_cdtor_fn): Likewise.
4486         (c_build_cdtor_fns): Likewise.
4487         * c-common.c (static_ctors): New variable.
4488         (static_dtors): Likewise.
4489         (c_record_cdtor_fn): New function.
4490         (build_cdtor): Move from c-decl.c
4491         (c_build_cdtor_fns): New function.
4492
4493         * output.h (assemble_addr_to_section): Declare.
4494         (get_cdtor_priority_section): Likewise.
4495         * varasm.c (assemble_addr_to_section): New function.
4496         (get_cdtor_priority_section): Likewise.
4497         (default_named_section_asm_out_destructor): Use them.
4498         (destor_dtor_section_asm_out_destructor): Likewise.
4499         (default_named_section_asm_out_constructor): Likewise.
4500         (default_ctor_section_asm_out_constructor): Likewise.
4501         * config.gcc (*-*-vxworks*): Include vxworks.o.
4502         * config/t-vxworks (vxworks.o): New target.
4503         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4504         (TARGET_ASM_CONSTRUCTOR): Define.
4505         (TARGET_ASM_DESTRUCTOR): Likewise.
4506         (vxworks_asm_out_constructor): Declare.
4507         (vxworks_asm_out_destructor): Likewise.
4508
4509         * c-common.c (get_priority): Check that we have not just an
4510         INTEGER_CST, but an integer constant with integeral type.
4511
4512 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4513
4514         PR tree-optimization/30938
4515         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4516         use &dt[nargs-1] instead of &dt[nargs] in the call to
4517         vect_is_simple_use().
4518
4519 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4520
4521         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4522         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4523         Do not attempt to handle MEM inside auto-inc expressions.
4524         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4525         of a register modified by an auto-inc expression.  However, do handle
4526         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4527         (elimination_effects): Prohibit elimination of a register modified
4528         by an auto-inc expression.  Disable register elimination rules whose
4529         target register is modified by an auto-inc expression with variable
4530         increment.
4531
4532 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4533
4534         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4535         off-by-one error.
4536         (array_at_struct_end_p): New function.
4537         (idx_infer_loop_bounds): Use it.
4538         (estimate_numbers_of_iterations_loop): Export.
4539         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4540         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4541         (tree_estimate_probability): Call record_loop_exits.
4542         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4543         (estimated_loop_iterations, estimated_loop_iterations_int,
4544         estimated_loop_iterations_tree): New functions.
4545         (analyze_siv_subscript_cst_affine,
4546         compute_overlap_steps_for_affine_1_2,
4547         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4548         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4549         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4550         (PRED_LOOP_ITERATIONS_GUESSED): New.
4551         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4552         * cfgloop.h (estimate_numbers_of_iterations_loop,
4553         estimated_loop_iterations_int): Declare.
4554
4555 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4556
4557         * doc/extend.texi: Document optional priority argument to
4558         constructors and destructors.
4559         * tree.c (init_priority_for_decl): Adjust GTY markers.
4560         (init_ttree): Use priority-info hash functions for
4561         init_priority_for_decl.
4562         (tree_map_eq): Rename to ...
4563         (tree_map_base_eq): ... this.
4564         (tree_map_marked_p): Rename to ...
4565         (tree_map_base_marked_p): ... this.
4566         (tree_map_base_hash): New function.
4567         (decl_init_priority_lookup): Rework.
4568         (decl_fini_priority_lookup): New function.
4569         (decl_priority_info): New function.
4570         (decl_init_priority_insert): Use it.
4571         (decl_fini_priority_insert): Likewise.
4572         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4573         hierarchy.
4574         (decl_restrict_base_insert): Likewise.
4575         (decl_debug_expr_insert): Likewise.
4576         (decl_value_expr_lookup): Likewise.
4577         (decl_value_expr_insert): Likewise.
4578         * tree.h (priority_type): New type.
4579         (decl_init_priority_lookup): Use priority_type.
4580         (decl_fini_priority_lookup): New function.
4581         (decl_init_priority_insert): Use priority_type.
4582         (decl_fini_priority_insert): New function.
4583         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4584         (DECL_INIT_PRIORITY): Likewise.
4585         (SET_DECL_INIT_PRIORITY): Add comment.
4586         (DECL_FINI_PRIORITY): New macro.
4587         (SET_DECL_FINI_PRIORITY): Likewise.
4588         (DEFAULT_INIT_PRIORITY): Document.
4589         (MAX_INIT_PRIORITY): Likewise.
4590         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4591         (tree_map_base): New type.
4592         (tree_map_base_eq): New function.
4593         (tree_map_base_hash): Likewise.
4594         (tree_map_base_marked_p): Likewise.
4595         (tree_map): Inherit from tree_map_base.
4596         (tree_map_eq): Make it a macro.
4597         (tree_map_marked_p): Likewise.
4598         (tree_int_map): Inherit from tree_map_base.
4599         (tree_int_map_eq): Make it a macro.
4600         (tree_int_map_hash): Likewise.
4601         (tree_int_map_marked_p): Likewise.
4602         (tree_priority_map): New type.
4603         (tree_priority_map_eq): New macro.
4604         (tree_priority_map_hash): Likewise.
4605         (tree_priority_map_marked_p): Likewise.
4606         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4607         hierarchy.
4608         (emutls_common_1): Likewise.
4609         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4610         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4611         of tree_map hierarchy.
4612         * tree-cfg.c (move_stmt_r): Likewise.
4613         (new_label_mapper): Likewise.
4614         * c-tree.h (c_expand_body): Move to ...
4615         * c-common.h (c_expand_body): ... here.
4616         * c-decl.c (c_expand_body): Move to ...
4617         * c-common.c (c_expand_body): ... here.
4618         (c_common_attribute_table): Allow 1 argument for the constructor
4619         and destructor attributes.
4620         (get_priority): New function.
4621         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4622         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4623
4624 2007-02-24  Jan Hubicka  <jh@suse.cz>
4625
4626         PR middle-end/30509
4627         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4628
4629 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4630             Jan Hubicka  <jh@suse.cz>
4631
4632         PR target/30778
4633         * i386.c (counter_mode): New function.
4634         (expand_set_or_movmem_via_loop): Use it.
4635         (expand_movmem_epilogue): Likewise; fix pasto.
4636         (ix86_expand_movmem): Do emit guard even for constant counts.
4637         (ix86_expand_setmem): Likewise.
4638
4639 2007-02-25  Nick Clifton  <nickc@redhat.com>
4640
4641         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4642         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4643
4644 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4645
4646         PR target/30770
4647         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4648         count argument with 0x10, not with 0x16.
4649         (expand_setmem_epilogue): Ditto.
4650
4651 2007-02-24  Mike Stump  <mrs@apple.com>
4652
4653         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4654         symbols.
4655
4656 2007-02-24  Richard Guenther  <rguenther@suse.de>
4657
4658         PR middle-end/30951
4659         * fold-const.c (fold_binary): Fold x +- CST op x for
4660         EQ_EXPR and NE_EXPR.
4661
4662 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4663
4664         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4665
4666 2007-02-24  Jan Hubicka  <jh@suse.cz>
4667
4668         * cgraphunit.c (decide_is_function_needed): Honor
4669         -fkeep-inline-functions.
4670
4671 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4672
4673         * builtins.c (fold_builtin_modf): New.
4674         (fold_builtin_2): Use it.
4675
4676 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4677
4678         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4679         (determine_max_iter): Take additional LOOP arg; all callers changed.
4680         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4681         one using simplifications.
4682         (simplify_using_initial_values): Return if the expression becomes
4683         invalid due to altered regs.
4684
4685 2007-02-23  DJ Delorie  <dj@redhat.com>
4686
4687         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4688
4689 2007-02-23  Mike Stump  <mrs@apple.com>
4690
4691         * tlink.c (scan_linker_output): Parse linker messages from
4692         darwin9's linker better.
4693
4694 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4695
4696         PR debug/29614
4697         * varpool.c (varpool_assemble_pending_decls):  Set
4698         varpool_last_needed_node to null.
4699
4700 2007-02-23  DJ Delorie  <dj@redhat.com>
4701
4702         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4703         alignment bigger than the object file can handle.
4704
4705 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4706
4707         PR target/30825
4708         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4709         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4710         (*movsf_1): Penalize MMX moves.
4711
4712 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4713
4714         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4715         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4716
4717         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4718
4719 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4720
4721         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4722         (fold_builtin_1): Use them.
4723         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4724         BUILT_IN_SIGNIFICAND.
4725
4726 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4727
4728         * config/i386/i386.c (bdesc_1arg): Initialize
4729         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4730         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4731         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4732         and IX86_BUILTIN_MOVSLDUP.
4733
4734 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4735
4736         PR rtl-optimization/30841
4737         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4738
4739 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4740
4741         * builtins.c (fold_builtin_frexp): New.
4742         (fold_builtin_2): Use it.
4743
4744 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4745
4746         * doc/invoke.texi (Spec Files): Document getenv spec function.
4747
4748         * gcc.c (getenv_spec_function): New function.
4749         (static_spec_functions): Add it.
4750         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4751         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4752         header files.
4753
4754 2007-02-22  Michael Matz  <matz@suse.de
4755
4756         PR c++/29433
4757         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4758         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4759
4760 2007-02-22  Ian Lance Taylor  <iant@google.com>
4761
4762         PR debug/30898
4763         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4764         (mem_loc_descriptor): Call it.
4765
4766 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4767             Ira Rosen  <irar@il.ibm.com>
4768
4769         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4770
4771 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4772
4773         PR tree-optimization/30843
4774         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4775         stores only after all the group is vectorized.
4776
4777 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4778
4779         PR tree-optimization/30858
4780         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4781         in the reduction cycle have a single use in the loop.
4782         * tree-vectorizer.h (relevant): Add documentation.
4783
4784 2007-02-20  Mike Stump  <mrs@apple.com>
4785
4786         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4787         * configure: Regenerate.
4788
4789 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4790
4791         Change the defaults of some parameters and options.
4792         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4793         * config/spu/spu.c (spu_optimization_options): Add.
4794         (spu_override_options): Change params in spu_optimization_options.
4795         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4796
4797         Register 127 is only 16 byte aligned when used as a frame pointer.
4798         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4799         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4800         HARD_FRAME_POINTER_REGNUM.
4801         (spu_legitimate_address):  Use regno_aligned_for_reload.
4802         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4803         aligned when frame_pointer_needed is true.
4804         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4805         to 8 bits.
4806         * config/spu/spu.h (INIT_EXPANDERS): Define.
4807
4808         Make sure shift and rotate instructions have valid immediate operands.
4809         * config/spu/predicates.md (spu_shift_operand): Remove.
4810         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4811         * config/spu/constraints.md (W, O): Extend range.
4812         * config/spu/spu.md (umask, nmask): Define.
4813         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4814         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4815         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4816         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4817         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4818         (lshr<mode>3_reg):  Fix rtl description.
4819
4820         Make sure mulhisi immediate operands are valid.
4821         * config/spu/predicates.md (imm_K_operand): Add.
4822         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4823
4824         Generate constants using fsmbi and andi.
4825         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4826         (print_operand, spu_split_immediate, classify_immediate,
4827         fsmbi_const_p): Handle IC_FSMBI2.
4828
4829         Correctly handle a CONST_VECTOR containing symbols.
4830         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4831         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4832         (immediate_load_p): Allow symbols that use 2 instructions to create.
4833         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4834         with symbols when flag_pic is set.
4835         (const_vector_immediate_p): New.
4836         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4837         accept a CONST_VECTOR with symbols.
4838         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4839         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4840         correctly.
4841         * config/spu/spu.md (high, low): Delete.
4842         (low_<mode>): Define.
4843
4844         Remove INTRmode and INTR_REGNUM, which didn't work.
4845         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4846         of INTR_REGNUM.
4847         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4848         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4849         peephole2 pattern): Don't use INTR or 131.
4850         (movintrcc): Delete.
4851         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4852         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4853         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4854         (UNSPEC_SET_INTR): Add.
4855         * config/spu/spu-modes.def (INTR): Remove.
4856
4857         More accurate warnings about run-time relocations.
4858         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4859
4860         Correctly warn about immediate arguments to specific intrinsics.
4861         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4862         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4863         the instruction predicate.
4864
4865         Fix tree check errors with latest update.
4866         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4867         CALL_EXPR_ARG.
4868         (spu_expand_builtin): Use CALL_EXPR_FN.
4869
4870         Add missing specific intrinsics.
4871         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4872         si_bislede.
4873         * config/spu/spu_internals.h: Ditto.
4874
4875         Fix incorrect operand modifiers.
4876         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4877         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4878
4879         Optimize one case of zero_extend of a vec_select.
4880         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4881
4882         Accept any immediate for hbr.
4883         * config/spu/spu.md (hbr):  Change s constraints to i.
4884
4885 2007-02-21  Paul Brook  <paul@codesourcery.com>
4886
4887         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4888         condexec_count when skipping USE and CLOBBER.
4889
4890 2007-02-21  Nick Clifton  <nickc@redhat.com>
4891
4892         * common.opt (Warray-bounds): Add Warning attribute.
4893         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4894         Likewise.
4895         (fsized-zeroes): Add Optimization attribute.
4896         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4897         * c.opt (Wc++0x-compat): Add Warning attribute.
4898
4899 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4900
4901         PR middle-end/30761
4902         * reload1.c (eliminate_regs_in_insn): In the single_set special
4903         case, attempt to re-recognize the insn before falling back to
4904         having reload fix it up.
4905
4906 2007-02-20  Eric Christopher  <echristo@gmail.com>
4907
4908         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4909         Rewrite accordingly.
4910         (frv_read_iacc_argument): Ditto.
4911         (frv_expand_set_builtin): Take a call instead of arglist, update for
4912         above changes.
4913         (frv_expand_unop_builtin): Ditto.
4914         (frv_expand_binop_builtin): Ditto.
4915         (frv_expand_cut_builtin): Ditto.
4916         (frv_expand_binopimm_builtin): Ditto.
4917         (frv_expand_voidbinop_builtin): Ditto.
4918         (frv_expand_int_void2arg): Ditto.
4919         (frv_expand_prefetches): Ditto.
4920         (frv_expand_voidtriop_builtin): Ditto.
4921         (frv_expand_voidaccop_builtin): Ditto.
4922         (frv_expand_load_builtin): Ditto.
4923         (frv_expand_store_builtin): Ditto.
4924         (frv_expand_mdpackh_builtin): Ditto.
4925         (frv_expand_mclracc_builtin): Ditto.
4926         (frv_expand_mrdacc_builtin): Ditto.
4927         (frv_expand_mwtacc_builtin): Ditto.
4928         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4929         calls for above.
4930
4931 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4932
4933         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4934         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4935         cmpb instruction.
4936         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4937         point instructions.
4938         * configure: Regenerate.
4939         * config.in: Regenerate.
4940         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4941         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4942         masks to power6 and power6x and to POWERPC_MASKS.
4943         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4944         _ARCH_PWR6.
4945         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4946         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4947         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4948         Access PROTOTYPE as variable, not mask.
4949
4950 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4951
4952         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4953         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4954         * combine.c (adjust_for_new_dest): Use it.
4955         * postreload.c (reload_combine): Likewise.
4956
4957 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4958
4959         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4960         notes on an insn with multiple sets, even if single_set returns
4961         non-NULL for that insn.
4962
4963 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4964
4965         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4966         scalbn and scalbln.
4967
4968 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4969
4970         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4971         if user didn't pass it.
4972         * config/i386/darwin.h (CC1_SPEC): Likewise.
4973         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4974         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4975         -mmacosx-version-min.
4976
4977 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4978             Uros Bizjak  <ubizjak@gmail.com>
4979
4980         * optabs.h (enum optab_index): Add new OTI_scalb.
4981         (scalb_optab): Define corresponding macro.
4982         * optabs.c (init_optabs): Initialize scalb_optab.
4983         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4984         patterns.
4985         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4986         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4987         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4988         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4989         flag_unsafe_math_optimizations is set.
4990
4991         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4992         to implement scalbf, scalb and scalbl built-ins as inline x87
4993         intrinsics.
4994
4995 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4996             DJ Delorie <dj@redhat.com>
4997
4998         PR other/30824
4999         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5000         (diagnostic_report_diagnostic): ... here, and turn them into real
5001         errors. If warnings are inhibited, no need to do anything.
5002
5003 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5004
5005         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5006         better code generation.
5007
5008 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5009
5010         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5011
5012 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5013
5014         * config/alpha/alpha.c, config/alpha/alpha.md,
5015         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5016         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5017         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5018         config/arm/lib1funcs.asm: Follow spelling conventions.
5019
5020         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5021         config/fr30/fr30.md, config/i386/i386.h,
5022         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5023         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5024         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5025         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5026         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5027         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5028         config/sparc/sparc.c, config/sparc/sparc.h,
5029         config/sparc/sparc.md, config/spu/constraints.md,
5030         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5031         conventions.
5032
5033 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5034
5035         PR target/29943
5036         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5037         alias attribute.
5038
5039 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5040
5041         * doc/invoke.texi (-ftree-lrs): Remove.
5042
5043 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5044
5045         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5046         NULL.
5047
5048 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5049
5050         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5051         new CALL_EXPR_FN macro for retrieving the function
5052         declaration of the input expression.
5053
5054 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5055
5056         * c.opt (Waddress): New.
5057         * common.opt (Walways-true): Delete.
5058         (Wstring-literal-comparison): Delete.
5059         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5060         -Wstring-literal-comparison. Add -Waddress.
5061         (Waddress): New.
5062         (Walways-true): Delete.
5063         (Wstring-literal-comparison): Delete.
5064         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5065         consistently instead of -Walways-true in example.
5066         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5067         * c-typeck.c (parser_build_binary_op): Replace
5068         -Wstring-literal-comparison and -Walways-true with -Waddress.
5069         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5070         with -Waddress.
5071
5072 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5073
5074         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5075         without DECL_STRUCT_FUNCTION initialized.
5076
5077 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5078
5079         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5080         due to calls to functions taking pointers as parameters.
5081
5082 2007-02-19  Richard Henderson  <rth@redhat.com>
5083
5084         PR debug/29558
5085         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5086         in memory.
5087
5088 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5089
5090         * config/s390/s390.c (s390_call_saved_register_used,
5091         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5092         accessed to the new scheme.
5093
5094 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5095
5096         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5097         (cris_print_index, cris_print_operand, cris_print_operand_address)
5098         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5099         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5100         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5101         GET_CODE () == xxx.
5102         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5103         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5104         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5105         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5106         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5107         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5108         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5109         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5110         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5111         (uminsi3, call, call_value): Ditto.
5112         (define_split: indir_to_reg_split, unnamed): Ditto.
5113
5114 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5115
5116         PR tree-optimization/30975
5117         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5118         wrong assert.
5119
5120 2007-02-18  Eric Christopher  <echristo@gmail.com>
5121
5122         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5123         Remove use of arglist.
5124         (mips_expand_builtin): Remove use of arglist, pass in expr.
5125         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5126         (mips_expand_builtin_movtf): Ditto.
5127         (mips_expand_builtin_compare): Ditto.
5128
5129 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5130
5131         * tree-sra.c (sra_build_assignment): Replace assertion
5132         checking with a comment explaining why it can't be done.
5133
5134 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5135
5136         PR middle-end/30833
5137         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5138         during CALL_EXPR representation conversion.
5139         * tree-ssa-propagate.c (set_rhs): Likewise.
5140
5141 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5142
5143         * tree-sra.c (sra_build_assignment): Disable assertion checking
5144         for now.
5145
5146 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5147
5148         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5149         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5150         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5151         Likewise.
5152         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5153         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5154         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5155         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5156         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5157         force_gimple_operand): Likewise.
5158         * ipa-cp.c (constant_val_insert): Likewise.
5159         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5160         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5161         perfect_nestify): Likewise.
5162         * langhooks.c (lhd_omp_assignment): Likewise.
5163         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5164         lower_copyprivate_clauses, lower_send_clauses,
5165         lower_send_shared_vars, expand_parallel_call,
5166         expand_omp_for_generic, expand_omp_for_static_nochunk,
5167         expand_omp_for_static_chunk, expand_omp_sections,
5168         lower_omp_single_copy, lower_omp_for_lastprivate,
5169         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5170         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5171         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5172         Likewise.
5173
5174 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5175
5176         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5177         config/sh/sh.md: Follow spelling conventions.
5178
5179         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5180         config/frv/predicates.md: Follow spelling conventions.
5181
5182         * config/m68k/linux-unwind.h: Fix a comment typo.
5183         * target.h: Follow spelling conventions.
5184
5185 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5186
5187         PR rtl-optimization/28173
5188         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5189         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5190         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5191         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5192         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5193
5194 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5195
5196         * builtins.c (fold_builtin_load_exponent): New.
5197         (fold_builtin_2): Use it.
5198
5199 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5200
5201         PR rtl-optimization/30773
5202         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5203         if we fail to attach a REG_EQUIV note.
5204
5205 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5206             Roger Sayle  <roger@eyesopen.com>
5207
5208         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5209
5210 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5211
5212         * calls.c (initialize_argument_information): Pass original EXP
5213         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5214         code to split complex arguments here, as part of initializing the
5215         ARGS array.
5216         (expand_call): Remove code that builds a list of arguments and
5217         inserts implicit arguments into it.  Instead, just count how many
5218         implicit arguments there will be so we can determine the size of
5219         the ARGS array, and let initialize_argument_information do the work.
5220         (split_complex_values): Delete unused function.
5221
5222 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5223
5224         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5225
5226 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5227
5228         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5229         for arg pointer based indexed addressing.
5230
5231 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5232
5233         * config/ia64/ia64.h, config/ia64/ia64.md,
5234         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5235         spelling conventions.
5236
5237 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5238
5239         * config/m68k/m68k.c (split_di): New.
5240         * config/m68k/m68k-protos.h: Declare split_di.
5241         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5242           Improve predicate handling and split constant shifts.
5243
5244 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5245
5246         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5247         parameter for register bitfield operations, general predicates
5248         cleanup
5249
5250 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5251
5252         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5253         * config/m68k/linux-unwind.h: New file.
5254
5255 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5256
5257         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5258         config/i386/athlon.md, config/ia64/ia64.md,
5259         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5260         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5261         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5262         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5263         tree-vect-transform.c: Fix comment typos.
5264
5265 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5266
5267         * sched-deps.c (find_insn_list): Remove.
5268         * sched-int.h: Remove the prototype for find_insn_list.
5269
5270 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5271
5272         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5273         to linker.
5274         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5275         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5276         darwin_rs6000_override_options.
5277         (C_COMMON_OVERRIDE_OPTIONS): Expect
5278         darwin_macosx_version_min to be non-NULL always.
5279         (TARGET_C99_FUNCTIONS): Likewise.
5280         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5281         (DARWIN_MINVERSION_SPEC): New.
5282         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5283         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5284         to cc1*.
5285         (DARWIN_MINVERSION_SPEC): New.
5286         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5287         value.
5288         * config/darwin-c.c (darwin_cpp_builtins): Expect
5289         darwin_macosx_version_min to be non-NULL always.
5290
5291         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5292
5293 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5294
5295         * config/i386/i386.h (x86_use_xchgb): New.
5296         (TARGET_USE_XCHGB): New macro.
5297         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5298         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5299         Split after reload into bswaphi for shifts of 8.
5300         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5301         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5302         or when optimizing for size.
5303
5304 2007-02-16  Richard Guenther  <rguenther@suse.de>
5305             Christian Bruel  <christian.bruel@st.com>
5306
5307         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5308         DECLs but prefer SSA_NAMEs over DECLs.
5309
5310 2007-02-16  Richard Guenther  <rguenther@suse.de>
5311
5312         * tree-flow-inline.h (single_imm_use_p): Remove.
5313         (zero_imm_uses_p): Likewise.
5314         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5315         instead of single_imm_use_p.
5316         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5317         zero_imm_uses_p.
5318
5319 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5320
5321         PR other/27843
5322         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5323         nested double- and backquotes.
5324
5325 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5326
5327         PR middle-end/30391
5328         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5329         should be unreachable.
5330         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5331         For the time being redirect GIMPLE_MODIFY_STMT to the new
5332         (renamed) build_gimple_modify_stmt_stat.
5333         (build2_gimple_stat): Rename to...
5334         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5335         Always build a GIMPLE_MODIFY_STMT node.
5336         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5337         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5338         declarations.
5339
5340         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5341         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5342         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5343         expand_complex_div_wide): Likewise.
5344         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5345         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5346         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5347         * tree-ssa-loop-manip.c (create_iv): Likewise.
5348         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5349         abs_replacement): Likewise.
5350         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5351         realify_fake_stores): Likewise.
5352
5353         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5354         node rather than a GIMPLE_MODIFY_STMT node.
5355         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5356         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5357         Likewise.
5358         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5359         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5360         GIMPLE_MODIFY_STMT.
5361
5362 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5363
5364         PR middle-end/30433
5365         * fold-const.c (fold_comparison): Add back the
5366         folding of constant complex comparisions.
5367
5368 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5369
5370         PR middle-end/30729
5371         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5372         effects unknown to this function, return early.
5373
5374 2007-02-15  Ian Lance Taylor  <iant@google.com>
5375
5376         * lower-subreg.c (move_eh_region_note): New static function.
5377         (resolve_simple_move): Call it.
5378         (decompose_multiword_subregs): Track blocks for which we resolve a
5379         simple move which is also a control flow insn.  Pass them to
5380         find_many_sub_basic_blocks.
5381         (pass_lower_subreg): Add TODO_verify_flow.
5382         (pass_lower_subreg2): Likewise.
5383
5384 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5385             Brooks Moses  <brooks.moses@codesourcery.com>
5386             Lee Millward  <lee.millward@codesourcery.com>
5387
5388         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5389         (VL_EXP_CLASS_P): New.
5390         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5391         TREE_CODE_LENGTH.
5392         (TREE_OPERAND_CHECK_CODE): Likewise.
5393         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5394         (TREE_RTL_OPERAND_CHECK): Likewise.
5395         (tree_operand_check_failed): Make second parameter the whole tree
5396         instead of its code.  Fixed callers.
5397         (VL_EXP_CHECK): New.
5398         (TREE_OPERAND_LENGTH): New.
5399         (VL_EXP_OPERAND_LENGTH): New.
5400         (CALL_EXPR_FN): New.
5401         (CALL_EXPR_STATIC_CHAIN): New.
5402         (CALL_EXPR_ARGS): New.
5403         (CALL_EXPR_ARG): New.
5404         (call_expr_nargs): New.
5405         (CALL_EXPR_ARGP): New.
5406         (build_nt_call_list): Declare.
5407         (build_vl_exp_stat): Declare.
5408         (build_vl_exp): New.
5409         (build_call_list): Declare.
5410         (build_call_nary): Declare.
5411         (build_call_valist): Declare.
5412         (build_call_array): Declare.
5413         (call_expr_arg): Declare.
5414         (call_expr_argp): Declare.
5415         (call_expr_arglist): Declare.
5416         (fold_build_call_list): Declare.
5417         (fold_build_call_list_initializer): Declare.
5418         (fold_call_expr): Declare to replace fold_builtin.
5419         (fold_builtin_fputs): Update to agree with modified definition.
5420         (fold_builtin_strcpy): Likewise.
5421         (fold_builtin_strncpy): Likewise.
5422         (fold_builtin_memory_chk): Likewise.
5423         (fold_builtin_stxcpy_chk): Likewise.
5424         (fold_builtin_strncpy_chk): Likewise.
5425         (fold_builtin_next_arg): Likewise.
5426         (fold_build_call_expr): Declare.
5427         (fold_builtin_call_list): Declare.
5428         (fold_builtin_call_valist): Declare.
5429         (build_call_expr): Declare.
5430         (validate_arglist): Update to agree with modified definition.
5431         (tree_operand_length): New.
5432         (call_expr_arg_iterator): New.
5433         (init_call_expr_arg_iterator): New.
5434         (next_call_expr_arg): New.
5435         (first_call_expr_arg): New.
5436         (more_call_expr_args_p): New.
5437         (FOR_EACH_CALL_EXPR_ARG): New.
5438
5439         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5440         and tcc_gimple_stmt.
5441         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5442         than sizeof (char *).
5443         (tree_size): Likewise.  Add case for tcc_vl_exp.
5444         (tree_node_structure): Add case for tcc_vl_exp.
5445         (contains_placeholder_p): Likewise.
5446         (substitute_in_expr): Likewise.
5447         (substitute_placeholder_in_expr): Likewise.
5448         (stabilize_reference_1): Likewise.
5449         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5450         to diagnose breakage of this interface for constructing CALL_EXPRs.
5451         (build_nt): Add similar assertion here.
5452         (build_nt_call_list): New.
5453         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5454         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5455         TREE_CODE_LENGTH.
5456         (get_callee_fndecl): Use new CALL_EXPR accessors.
5457         (tree_operand_check_failed): Change parameters to pass entire node
5458         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5459         (process_call_operands): New.
5460         (build_vl_exp_stat): New.
5461         (build_call_list): New.
5462         (build_call_nary): New.
5463         (build_call_valist): New.
5464         (build_call_array): New.
5465         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5466         (call_expr_arglist): New.
5467
5468         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5469         tcc_vl_exp instead of a fixed-size tcc_expression.
5470
5471         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5472         accessors for CALL_EXPRs.
5473         (AGGR_INIT_EXPR): Likewise.
5474
5475 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5476             Brooks Moses  <brooks.moses@codesourcery.com>
5477             Lee Millward  <lee.millward@codesourcery.com>
5478
5479         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5480         (expand_builtin_nonlocal_goto): Change parameter to be entire
5481         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5482         (expand_builtin_prefetch): Likewise.
5483         (expand_builtin_classify_type): Likewise.
5484         (mathfn_built_in): Return NULL_TREE instead of 0.
5485         (expand_errno_check): Use new CALL_EXPR accessors.
5486         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5487         Return NULL_RTX instead of 0.
5488         (expand_builtin_mathfn_2): Likewise.
5489         (expand_builtin_mathfn_3): Likewise.
5490         (expand_builtin_interclass_mathfn): Likewise.
5491         (expand_builtin_sincos): Likewise.
5492         (expand_builtin_cexpi): Likewise.
5493         (expand_builtin_int_roundingfn): Likewise.
5494         (expand_builtin_int_roundingfn_2): Likewise.
5495         (expand_builtin_pow): Likewise.
5496         (expand_builtin_powi): Likewise.
5497         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5498         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5499         accessors and constructors.  Return NULL_RTX instead of 0.
5500         (expand_builtin_strstr): Likewise.
5501         (expand_builtin_strchr): Likewise.
5502         (expand_builtin_strrchr): Likewise.
5503         (expand_builtin_strpbrk): Likewise.
5504         (expand_builtin_memcpy): Likewise.
5505         (expand_builtin_mempcpy): Likewise.
5506         (expand_builtin_mempcpy_args): New.
5507         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5508         (expand_builtin_memmove_args): New.
5509         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5510         (expand_movstr): Likewise.
5511         (expand_builtin_strcpy): Likewise.
5512         (expand_builtin_strcpy_args): New.
5513         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5514         (expand_builtin_strncpy): Likewise.
5515         (expand_builtin_memset): Likewise.
5516         (expand_builtin_memset_args): New.
5517         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5518         (expand_builtin_memcmp): Likewise.
5519         (expand_builtin_strcmp): Likewise.
5520         (expand_builtin_strncmp): Likewise.
5521         (expand_builtin_strcat): Likewise.
5522         (expand_builtin_strncat): Likewise.
5523         (expand_builtin_strspn): Likewise.
5524         (expand_builtin_strcspn): Likewise.
5525         (expand_builtin_args_info): Likewise.
5526         (expand_builtin_va_start): Likewise.
5527         (gimplify_va_arg_expr): Likewise.
5528         (expand_builtin_va_end): Likewise.
5529         (expand_builtin_va_copy): Likewise.
5530         (expand_builtin_frame_address): Likewise.
5531         (expand_builtin_alloca): Likewise.
5532         (expand_builtin_bswap): Likewise.
5533         (expand_builtin_unop): Likewise.
5534         (expand_builtin_fputs): Likewise.
5535         (expand_builtin_expect): Likewise.
5536         (expand_builtin_fabs): Likewise.
5537         (expand_builtin_copysign): Likewise.
5538         (expand_builtin_printf): Likewise.
5539         (expand_builtin_fprintf): Likewise.
5540         (expand_builtin_sprintf): Likewise.
5541         (expand_builtin_init_trampoline): Likewise.
5542         (expand_builtin_signbit): Likewise.
5543         (expand_builtin_fork_or_exec): Likewise.
5544         (expand_builtin_sync_operation): Likewise.
5545         (expand_builtin_compare_and_swap): Likewise.
5546         (expand_builtin_lock_test_and_set): Likewise.
5547         (expand_builtin_lock_release): Likewise.
5548         (expand_builtin): Likewise.
5549         (builtin_mathfn_code): Likewise.
5550
5551         (fold_builtin_constant_p): Pass call arguments individually instead
5552         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5553         accessors and constructors.  Return NULL_TREE instead of 0.
5554         (fold_builtin_expect): Likewise.
5555         (fold_builtin_classify_type): Likewise.
5556         (fold_builtin_strlen): Likewise.
5557         (fold_builtin_nan): Likewise.
5558         (integer_valued_real_p): Likewise.
5559         (fold_trunc_transparent_mathfn): Likewise.
5560         (fold_fixed_mathfn): Likewise.
5561         (fold_builtin_cabs): Likewise.
5562         (fold_builtin_sqrt): Likewise.
5563         (fold_builtin_cbrt): Likewise.
5564         (fold_builtin_cos): Likewise.
5565         (fold_builtin_cosh): Likewise.
5566         (fold_builtin_tan): Likewise.
5567         (fold_builtin_sincos): Likewise.
5568         (fold_builtin_cexp): Likewise.
5569         (fold_builtin_trunc): Likewise.
5570         (fold_builtin_floor): Likewise.
5571         (fold_builtin_ceil): Likewise.
5572         (fold_builtin_round): Likewise.
5573         (fold_builtin_int_roundingfn): Likewise.
5574         (fold_builtin_bitop): Likewise.
5575         (fold_builtin_bswap): Likewise.
5576         (fold_builtin_logarithm): Likewise.
5577         (fold_builtin_hypot): Likewise.
5578         (fold_builtin_pow): Likewise.
5579         (fold_builtin_powi): Likewise.
5580         (fold_builtin_exponent): Likewise.
5581         (fold_builtin_memset): Likewise.
5582         (fold_builtin_bzero): Likewise.
5583         (fold_builtin_memory_op): Likewise.
5584         (fold_builtin_bcopy): Deleted; call site changed to invoke
5585         fold_builtin_memory_op directly.
5586         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5587         (fold_builtin_strncpy): Likewise.
5588         (fold_builtin_memcmp): Likewise.
5589         (fold_builtin_strcmp): Likewise.
5590         (fold_builtin_strncmp): Likewise.
5591         (fold_builtin_signbit): Likewise.
5592         (fold_builtin_copysign): Likewise.
5593         (fold_builtin_isascii): Likewise.
5594         (fold_builtin_toascii): Likewise.
5595         (fold_builtin_isdigit): Likewise.
5596         (fold_builtin_fabs): Likewise.
5597         (fold_builtin_abs): Likewise.
5598         (fold_builtin_fmin_fmax): Likewise.
5599         (fold_builtin_carg): Likewise.
5600         (fold_builtin_classify): Likewise.
5601         (fold_builtin_unordered_cmp): Likewise.
5602
5603         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5604         New functions split out from fold_builtin_1.
5605         (fold_builtin_n): New.
5606         (fold_builtin_varargs): New.
5607         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5608         instead.
5609         (fold_call_expr): New.
5610         (build_function_call_expr): Rewrite to use new helper function.
5611         (fold_builtin_call_list): New.
5612         (build_call_expr): New.
5613         (fold_builtin_call_valist): New.
5614         (rewrite_call_expr): New.
5615         (validate_arg): New.
5616         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5617         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5618         accessors.
5619
5620         (fold_builtin_strstr):  Pass call arguments individually instead
5621         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5622         accessors and constructors.  Return NULL_TREE instead of 0.
5623         (fold_builtin_strchr): Likewise.
5624         (fold_builtin_strrchr): Likewise.
5625         (fold_builtin_strpbrk): Likewise.
5626         (fold_builtin_strcat): Likewise.
5627         (fold_builtin_strncat): Likewise.
5628         (fold_builtin_strspn): Likewise.
5629         (fold_builtin_strcspn): Likewise.
5630         (fold_builtin_fputs): Likewise.
5631         (fold_builtin_next_arg): Likewise.
5632         (fold_builtin_sprintf): Likewise.
5633
5634         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5635         NULL_RTX instead of 0.
5636         (expand_builtin_memory_chk): Likewise.
5637         (maybe_emit_chk_warning): Likewise.
5638         (maybe_emit_sprintf_chk_warning): Likewise.
5639
5640         (fold_builtin_object_size): Pass call arguments individually instead
5641         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5642         accessors and constructors.  Return NULL_TREE instead of 0.
5643         (fold_builtin_memory_chk): Likewise.
5644         (fold_builtin_stxcpy_chk): Likewise.
5645         (fold_builtin_strncpy_chk): Likewise.
5646         (fold_builtin_strcat_chk): Likewise.
5647         (fold_builtin_strcat_chk): Likewise.
5648         (fold_builtin_strncat_chk): Likewise.
5649         (fold_builtin_sprintf_chk): Likewise.
5650         (fold_builtin_snprintf_chk): Likewise.
5651         (fold_builtin_printf): Likewise.
5652         (fold_builtin_vprintf): Likewise.
5653
5654         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5655         constructors.
5656         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5657         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5658         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5659         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5660         (fold_unary): Likewise.
5661         (fold_binary): Likewise.
5662         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5663         ternary expressions.
5664         (fold): Add logic for tcc_vl_exp.
5665         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5666         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5667         (fold_build3_stat): Add assertion to flag broken interface for
5668         constructing CALL_EXPRs.
5669         (fold_build_call_list): New.
5670         (fold_build_call_list_initializer): New.
5671         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5672         constructors.
5673         (fold_strip_sign_ops): Likewise.
5674
5675 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5676             Brooks Moses  <brooks.moses@codesourcery.com>
5677             Lee Millward  <lee.millward@codesourcery.com>
5678
5679         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5680         accessors and dump arguments explicitly.
5681
5682         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5683         TREE_CODE_LENGTH.
5684         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5685         explicitly.
5686         (print_call_name): Use new CALL_EXPR accessors.
5687
5688         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5689         CALL_EXPR arguments explicitly instead of as a list.  Use
5690         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5691
5692         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5693         (vrp_visit_stmt): Likewise.
5694
5695         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5696         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5697         TREE_CODE_LENGTH.
5698         (force_move_till_expr): Likewise.
5699
5700         * targhooks.c (default_external_stack_protect_fail): Use
5701         build_call_expr instead of build_function_call_expr.
5702         (default_hidden_stack_protect_fail): Likewise.
5703
5704         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5705         build the call.
5706
5707         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5708         and walk arguments explicitly.
5709
5710         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5711         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5712         (expand_simple_operations): Likewise.
5713         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5714
5715         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5716         of TREE_CODE_LENGTH.
5717         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5718
5719         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5720         instead of TREE_CODE_LENGTH.
5721
5722         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5723         (tree_ic_transform): Likewise.
5724         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5725         parameter instead of arglist.  Fix callers.
5726         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5727         (tree_stringops_transform): Likewise.
5728         (tree_indirect_call_to_profile): Likewise.
5729         (tree_stringops_values_to_profile): Likewise.
5730
5731         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5732         (eliminate_tail_call): Likewise.
5733
5734         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5735
5736         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5737         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5738         operands.
5739         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5740
5741         * omp-low.c (build_omp_barrier): Use build_call_expr.
5742         (lower_rec_input_clauses): Likewise.
5743         (lower_reduction_clauses): Likewise.
5744         (expand_parallel_call): Likewise.
5745         (maybe_catch_exception): Likewise.
5746         (expand_omp_for_generic): Likewise.
5747         (expand_omp_for_static_nochunk): Likewise.
5748         (expand_omp_sections): Likewise.
5749         (lower_omp_single_simple): Likewise.
5750         (lower_omp_single_copy): Likewise.
5751         (lower_omp_master): Likewise.
5752         (lower_omp_ordered): Likewise.
5753         (lower_omp_critical): Likewise.
5754
5755         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5756         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5757
5758         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5759         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5760         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5761
5762         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5763         and generalize to handle any number of operands.
5764         (chrec_contains_undetermined): Likewise.
5765         (tree_contains_chrecs): Likewise.
5766         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5767
5768         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5769
5770         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5771         fold_call_expr instead of fold_builtin.
5772         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5773         match declarations there.
5774         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5775         updates.
5776
5777         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5778         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5779
5780         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5781         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5782
5783         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5784         accessors.
5785
5786         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5787         (execute_cse_sincos): Use new CALL_EXPR accessors.
5788
5789         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5790
5791         * gimple-low.c (lower_function_body): Use build_call_expr.
5792         (lower_builtin_setjmp): Likewise.
5793
5794         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5795         (set_storage_via_libcall): Likewise.
5796         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5797         instead of TREE_CODE_LENGTH.
5798         (expand_expr_real_1): Use new CALL_EXPR accessors.
5799
5800         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5801         generalize to handle any number of operands.
5802         (TB_parent_eq): Likewise.
5803
5804         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5805         (strip_builtin_expect): Likewise.
5806
5807         * function.c (gimplify_parameters): Use build_call_expr.
5808
5809         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5810         instead of TREE_CODE_LENGTH.
5811
5812         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5813         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5814
5815         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5816         iterators.
5817
5818         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5819         (gimplify_decl_expr): Likewise.
5820         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5821         Use new CALL_EXPR iterators.
5822         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5823         (gimplify_modify_expr_to_memset): Likewise.
5824         (gimplify_variable_sized_compare): Likewise.
5825         (gimplify_omp_atomic_fetch_op): Likewise.
5826         (gimplify_omp_atomic_pipeline): Likewise.
5827         (gimplify_omp_atomic_mutex): Likewise.
5828         (gimplify_function_tree): Likewise.
5829
5830         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5831         (call_expr_flags): Likewise.
5832         (expand_call): Likewise.
5833
5834         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5835         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5836         accessors.
5837
5838         * coverage.c (create_coverage): Use build_call_expr.
5839
5840         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5841         (temp_call_expr_obstack): New.
5842         (pool_copy_list): Delete.
5843         (temp_copy_call_expr): New.
5844         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5845         CALL_EXPR accessors.  Get rid of special goo for copying argument
5846         lists and use temp_copy_call_expr instead.
5847         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5848         CALL_EXPR accessors.
5849         (create_expression_by_pieces): Likewise.  Use build_call_array
5850         to construct the result instead of fold_build3.
5851         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5852         dealing with argument lists.
5853         (init_pre): Remove references to expression_node_pool and
5854         list_node_pool.  Init temp_call_expr_obstack instead.
5855         (fini_pre): Remove references to expression_node_pool and
5856         list_node_pool.
5857
5858         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5859         and walk arguments explicitly instead of as a list.
5860
5861         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5862         (mx_register_decls): Likewise.
5863         (mudflap_register_call): Likewise.
5864         (mudflap_finish_file): Likewise.
5865
5866         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5867         (ipa_callsite_compute_param): Likewise.
5868
5869         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5870         accessors and constructor.
5871
5872         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5873         accessors and constructor.
5874         (convert_tramp_reference): Likewise.
5875         (convert_call_expr): Likewise.
5876         (finalize_nesting_tree_1): Likewise.
5877
5878         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5879         accessors.
5880
5881         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5882
5883         * tree-inline.c (initialize_inlined_parameters): Pass entire
5884         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5885         accessors.
5886         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5887         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5888
5889         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5890         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5891         (vectorizable_reduction): Likewise.
5892         (vectorizable_call): Use new CALL_EXPR iterators.
5893         (vectorizable_conversion): Use build_call_expr.
5894         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5895         (vect_gen_widened_results_half): Use build_call_expr.
5896         (vect_setup_realignment): Likewise.
5897         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5898
5899         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5900         (pass_through_call): Likewise.
5901         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5902         fold_builtin.
5903
5904         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5905         (tree_gen_pow2_profiler): Likewise.
5906         (tree_gen_one_value_profiler): Likewise.
5907         (tree_gen_ic_func_profiler): Likewise.
5908         (tree_gen_average_profiler): Likewise.
5909         (tree_gen_ior_profiler): Likewise.
5910
5911         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5912         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5913         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5914
5915         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5916         of TREE_CODE_LENGTH.
5917
5918         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5919         of TREE_CODE_LENGTH.
5920
5921         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5922         constructor.
5923         (convert_to_integer): Likewise.
5924
5925         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5926         accessors.
5927
5928 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5929             Brooks Moses  <brooks.moses@codesourcery.com>
5930             Lee Millward  <lee.millward@codesourcery.com>
5931
5932         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5933         accessors.
5934         * config/frv/frv.c (frv_expand_builtin): Likewise.
5935         * config/s390/s390.c (s390_expand_builtin): Likewise.
5936
5937         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5938         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5939
5940         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5941         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5942         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5943         (ix86_expand_store_builtin): Likewise.
5944         (ix86_expand_unop_builtin): Likewise.
5945         (ix86_expand_unop1_builtin): Likewise.
5946         (ix86_expand_sse_compare): Likewise.
5947         (ix86_expand_sse_comi): Likewise.
5948         (ix86_expand_vec_init_builtin): Likewise.
5949         (ix86_expand_vec_ext_builtin): Likewise.
5950         (ix86_expand_vec_set_builtin): Likewise.
5951         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5952
5953         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5954         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5955
5956         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5957         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5958         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5959
5960         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5961         build_call_expr.
5962         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5963         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5964         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5965         (altivec_expand_abs_builtin): Likewise.
5966         (rs6000_expand_binop_builtin): Likewise.
5967         (altivec_expand_predicate_builtin): Likewise.
5968         (altivec_expand_lv_builtin): Likewise.
5969         (spe_expand_stv_builtin): Likewise.
5970         (altivec_expand_stv_builtin): Likewise.
5971         (rs6000_expand_ternop_builtin): Likewise.
5972         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5973         (altivec_expand_st_builtin): Likewise.
5974         (altivec_expand_dst_builtin): Likewise.
5975         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5976         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5977         (altivec_expand_vec_set_builtin): Likewise.
5978         (altivec_expand_vec_ext_builtin): Likewise.
5979         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5980         (spe_expand_builtin): Likewise.
5981         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5982         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5983         (spe_expand_evsel_builtin): Likewise.
5984         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5985         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5986
5987         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5988         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5989         (arm_expand_unop_builtin): Likewise.
5990         (arm_expand_builtin): Use new CALL_EXPR accessors.
5991
5992         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5993         accessors.
5994
5995         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5996         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5997         (bfin_expand_unop_builtin): Likewise.
5998         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5999
6000 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6001             Brooks Moses  <brooks.moses@codesourcery.com>
6002             Lee Millward  <lee.millward@codesourcery.com>
6003
6004         * c-semantics.c (build_stmt): Add internal diagnostic check.
6005
6006         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6007         accessors.  Print arguments explicitly instead of as a list.
6008
6009         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6010
6011         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6012         (c_finish_omp_flish): Likewise.
6013
6014         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6015         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6016         instead of TREE_CODE_LENGTH.
6017         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6018         (c_warn_unused_result): Likewise.
6019
6020 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6021
6022         PR c/26494
6023         * doc/invoke.texi (Warning Options): Remove
6024         -Werror-implicit-function-declaration.
6025         (Wimplicit-function-declaration): Update description.
6026         * opts.c (common_handle_option): Move handling of -Werror=* to...
6027         (enable_warning_as_error): ...here.
6028         * opts.h (enable_warning_as_error): Declare.
6029         * c-decl.c (implicit_decl_warning): Unless
6030         -Wno-implicit-function-declaration is given, emit a pedwarn if
6031         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6032         * c.opt (Wimplicit-function-declaration): Replace
6033         mesg_implicit_function_declaration with
6034         warn_implicit_function_declaration.
6035         * c-opts.c (c_common_handle_option):
6036         -Werror-implicit-function-declaration is exactly equal as
6037         -Werror=implicit-function-declaration.
6038         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6039         warn_implicit_function_declaration.
6040         (c_common_post_options): -Wimplict-function-declaration is enabled
6041         by default by -std=c99, otherwise is disabled by default.
6042         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6043
6044 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6045
6046         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6047         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6048         former is ignored but not the latter.
6049
6050 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6051
6052         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6053         is made and the reference doesn't use the alias set of its type,
6054         do not create the temporary using that type.
6055
6056 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6057
6058         * jump.c: Remove prototypes for delete_computation and
6059         delete_prior_computation.
6060
6061 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6062
6063         * jump.c (get_label_after): Delete.
6064         (get_label_before, delete_computation, delete_jump,
6065         delete_prior_computation, follow_jumps): Move...
6066         * reorg.c (delete_computation, delete_prior_computation): ... here...
6067         (get_label_before, delete_jump): ... making these static ...
6068         (follow_jumps): ... and simplifying this since it only runs after
6069         reload.
6070         * rtl.h (get_label_after, get_label_before, delete_jump,
6071         follow_jumps): Delete prototypes.
6072
6073 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6074
6075         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6076
6077 2007-02-15  Nick Clifton  <nickc@redhat.com>
6078
6079         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6080         order to prevent it from being munged by the target.
6081
6082 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6083
6084         * config/i386/i386.md: Remove misleading comment.
6085
6086 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6087
6088         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6089         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6090         invalid patterns.
6091
6092 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6093
6094         * tree-sra.c (instantiate_missing_elements): Canonicalize
6095         bit-field types.
6096         (sra_build_assignment): New.
6097         (generate_copy_inout, generate_element_copy,
6098         generate_element_zero, generate_one_element_init): Use it.
6099
6100 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6101
6102         * tree-sra.c (instantiate_missing_elements): Canonicalize
6103         bit-field types.
6104         (sra_build_assignment): New.
6105         (generate_copy_inout, generate_element_copy,
6106         generate_element_zero, generate_one_element_init): Use it.
6107
6108 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6109
6110         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6111         limbo die nodes.
6112
6113 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6114
6115         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6116         types as aggregates not scalars.
6117         * function.c (assign_stack_temp_for_type): Likewise.
6118
6119 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6120             Zdenek Dvorak  <dvorakz@suse.cz>
6121
6122         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6123         name.
6124
6125 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6126
6127         * passes.c (next_pass_1): Clear the next field of the copied
6128         pass structure.
6129
6130 2007-02-14  Richard Henderson  <rth@redhat.com>
6131
6132         * tree-sra.c (early_sra): New.
6133         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6134         (tree_sra_early, pass_sra_early): New.
6135         * tree-pass.h (pass_sra_early): Declare.
6136         * passes.c (init_optimization_passes): Use it.
6137
6138 2007-02-14  Richard Guenther  <rguenther@suse.de>
6139
6140         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6141
6142 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6143
6144          PR tree-optimization/30771
6145         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6146         also phi nodes.
6147         (vect_analyze_operations): Induction phis can now be marked as
6148         used_in_loop.
6149         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6150         Update documentation accordingly.
6151
6152 2007-02-14  Nick Clifton  <nickc@redhat.com>
6153
6154         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6155         most 3 arguments are supported.
6156         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6157
6158 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6159
6160         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6161         Ensure dst->current is valid.
6162
6163 2007-02-13  Paul Brook  <paul@codesourcery.com>
6164
6165         * config.gcc: Add arm*-*-uclinux-*eabi.
6166         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6167         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6168         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6169         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6170         (LINK_SPEC): Define.
6171         (LIB_SPEC): Define.
6172         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6173         register.
6174         * config/arm/uclinux-eabi.h: New file.
6175         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6176         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6177         based targets.
6178
6179 2007-02-13  Ian Lance Taylor  <iant@google.com>
6180
6181         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6182         * flags.h (warn_strict_overflow): Declare.
6183         (enum warn_strict_overflow_code): Define.
6184         (issue_strict_overflow_warning): New static inline function.
6185         * opts.c (warn_strict_overflow): New variable.
6186         (common_handle_option): Handle OPT_Wstrict_overflow and
6187         OPT_Wstrict_overflow_.
6188         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6189         OPT_Wall.
6190         * fold-const.c: Include intl.h.
6191         (fold_deferring_overflow_warnings): New static variable.
6192         (fold_deferred_overflow_warning): New static variable.
6193         (fold_deferred_overflow_code): New static variable.
6194         (fold_defer_overflow_warnings): New function.
6195         (fold_undefer_overflow_warnings): New function.
6196         (fold_undefer_and_ignore_overflow_warnings): New function.
6197         (fold_deferring_overflow_warnings_p): New function.
6198         (fold_overflow_warning): New static function.
6199         (make_range): Add strict_overflow_p parameter.  Change all
6200         callers.
6201         (extract_muldiv, extract_muldiv_1): Likewise.
6202         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6203         tree_expr_nonnegative_p.
6204         (fold_negate_expr): Call fold_overflow_warning.
6205         (fold_range_test): Likewise.
6206         (fold_comparison): Likewise.
6207         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6208         instead of tree_expr_nonnegative_p.
6209         (tree_expr_nonnegative_warnv_p): Rename from
6210         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6211         (tree_expr_nonnegative_p): New function.
6212         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6213         strict_overflow_p parameter.
6214         (tree_expr_nonzero_p): New function.
6215         * passes.c (verify_interpass_invariants): New static function.
6216         (execute_one_pass): Call it.
6217         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6218         warnings.
6219         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6220         (estimate_numbers_of_iterations): Likewise.
6221         (scev_probably_wraps_p): Likewise.
6222         * tree-ssa-ccp.c: Include "toplev.h".
6223         (evaluate_stmt): Defer fold overflow warnings until we know we are
6224         going to optimize.
6225         (struct fold_stmt_r_data): Add stmt field.
6226         (fold_stmt_r): Defer fold overflow warnings until we know we
6227         optimized.
6228         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6229         (fold_stmt_inplace): Likewise.
6230         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6231         (cleanup_control_expr_graph): Defer fold overflow warnings until
6232         we know we are going to optimize.
6233         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6234         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6235         Likewise.
6236         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6237         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6238         * tree-ssa-loop-manip.c (create_iv): Likewise.
6239         * c-typeck.c (build_conditional_expr): Likewise.
6240         (build_binary_op): Likewise.
6241         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6242         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6243         (extract_range_from_unary_expr): Likewise.
6244         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6245         assuming that signed overflow does not occur.
6246         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6247         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6248         (fold_defer_overflow_warnings): Declare.
6249         (fold_undefer_overflow_warnings): Declare.
6250         (fold_undefer_and_ignore_overflow_warnings): Declare.
6251         (fold_deferring_overflow_warnings_p): Declare.
6252         (tree_expr_nonzero_warnv_p): Declare.
6253         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6254         of warning options.
6255         (Warning Options): Document -Wstrict-overflow.
6256         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6257         (tree-ssa-ccp.o): Likewise.
6258         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6259         (fold-const.o): Depend on intl.h.
6260
6261 2007-02-13  Ian Lance Taylor  <iant@google.com>
6262
6263         PR middle-end/30751
6264         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6265         addresses.
6266
6267 2007-02-13  Stuart Hastings  <stuart@apple.com>
6268
6269         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6270
6271 2007-02-13  Richard Henderson  <rth@redhat.com>
6272
6273         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6274         handled_component_p before looking for the indirect_ref.
6275
6276 2007-02-13  Richard Henderson  <rth@redhat.com>
6277
6278         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6279         remove flags clobber.
6280         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6281         (bswaphi_lowpart): New.
6282         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6283         remove TARGET_BSWAP test.  Delete expander of the same name.
6284
6285         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6286         (expand_unop): Use them.
6287
6288 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6289
6290         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6291         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6292         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6293         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6294         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6295         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6296         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6297         assembler dialect choice from asm templates.
6298
6299 2007-02-12  Richard Henderson  <rth@redhat.com>
6300
6301         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6302         (fixuns_trunc<SSEMODEF>si2): Use it.
6303         * config/i386/sse.md (vec_setv4sf_0): Export.
6304         * config/i386/i386.c (ix86_build_const_vector): Export.
6305         (ix86_split_convert_uns_si_sse): Rename from
6306         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6307         * config/i386/i386-protos.h: Update.
6308
6309 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6310
6311         PR c/29521
6312         * c-typeck.c (c_finish_return): Improve warning message.
6313
6314 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6315
6316         * alias.c (find_symbolic_term): Delete unused function.
6317
6318 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6319
6320         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6321         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6322         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6323
6324 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6325
6326         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6327         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6328         the function, temporarily point the debug interface to the null one.
6329
6330 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6331
6332         * dwarf2out.c (round_up_to_align): New static function.
6333         (field_byte_offset): Use it to round the offset.
6334
6335 2007-02-12  Richard Henderson  <rth@redhat.com>
6336
6337         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6338         (inswl_const): Export.
6339
6340 2007-02-12  Richard Henderson  <rth@redhat.com>
6341
6342         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6343         result mode of the libcall, convert back to outmode.
6344
6345 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6346
6347         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6348         (bswapdi2): New define_expand to implement 32-bit implementation.
6349
6350 2007-02-12  Nick Clifton  <nickc@redhat.com>
6351
6352         * doc/invoke.texi (Overall Options): Document --help=.
6353         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6354         (cc1_options): Pass --help= on to cc1.
6355         (display_help): Add description of --help=.
6356         (process_command): Add code to handle --help=.  Allow translated
6357         --help and --target-help switches to be passed on to compiler
6358         sub-process.
6359         (main): Remove unused if statement.
6360         * opts.c (columns): Remove.
6361         (LEFT_COLUMN): Define.
6362         (wrap_help): Add columns argument.
6363         (print_filtered_help): Change parameters to be an include bitmask,
6364         an exclude bitmask, an any bitmask and the column width.  Move the
6365         code to display the params list here.  Add code to display the
6366         status of options rather than their descriptions if the quiet flag
6367         is not active.
6368         (print_specific_help): Change parameters to be an include bitmask,
6369         an exclude bitmask and an any bitmask.  Move code to look up the
6370         column width here.  Decide upon the title for an options listing.
6371         (common_handle_options): Add code to handle --help=.  Adapt code
6372         for --help and --target-help to use the revised form of the
6373         print_specific_help function.
6374         (print_help): Delete.
6375         (print_param_help): Delete.
6376         (print_switch): Delete.
6377         * opts.h (cl_lang_count): Add prototype.
6378         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6379         CL_MAX_OPTION_CLASS): New defines.
6380         * optc-gen.awk: Add construction of cl_lang_count.
6381         * c.opt: Add Warning attribute to warning options and Optimization
6382         attribute to optimization options.
6383         * common.opt: Likewise.
6384         Add --help=.
6385         Add -fhelp and -ftarget-help as aliases for the transformed --help
6386         and --target-help options.
6387         * opt-functions.awk: Add code to handle Warning and Optimization
6388         attributes.
6389
6390 2007-02-12  Richard Henderson  <rth@redhat.com>
6391
6392         * config/alpha/constraints.md: New file.
6393         * config/alpha/alpha.c: Include tm-constrs.h.
6394         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6395         alpha_extra_constraint): Remove.
6396         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6397         * config/alpha/alpha-protos.h: Update.
6398         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6399         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6400         (EXTRA_CONSTRAINT): Remove.
6401         * config/alpha/alpha.md: Include constraints.md.
6402         (adddi splitter): Use satisfies_constraint_*.
6403         * config/alpha/predicates.md (add_operand): Likewise.
6404         (sext_add_operand, addition_operation): Likewise.
6405
6406 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6407
6408         PR tree-optimization/29145
6409         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6410         in our handling of restrict qualified pointers.
6411
6412 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6413
6414         PR middle-end/7651
6415         * doc/invoke.texi (Wunused-value): Update description.
6416         (Wextra): Delete item.
6417         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6418         value of Wunused-value.
6419         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6420         (c_finish_stmt_expr): Don't check extra_warnings.
6421         (emit_side_effect_warnings): The caller is responsible to check
6422         warn_unused_value.
6423
6424 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6425             Matt Thomas  <matt@3am-software.com>
6426
6427         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6428
6429 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6430
6431         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6432         comparisons of POPCOUNT against zero.
6433         (simplify_const_relational_operation): Likewise.
6434
6435 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6436
6437         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6438
6439 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6440
6441         * dwarf2out.c (root_type): Delete unused function.
6442
6443 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6444
6445         * genattrtab.c (contained_in_p): Delete unused function.
6446         (write_expr_attr_cache): Likewise.
6447
6448 2007-02-11  Jan Hubicka  <jh@suse.cz>
6449
6450         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6451         previous patch.
6452
6453 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6454
6455         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6456         to add the REG_EQ* note.
6457         * see.c (see_merge_one_use_extension): Likewise.
6458         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6459         turn REG_EQUAL notes into REG_EQUIV notes if the target
6460         register may have more than one set.
6461         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6462         * gcse.c (try_replace_reg): Likewise.
6463         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6464         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6465         more than one REG_EQUIV note.
6466         * reload1.c (gen_reload): Use set_unique_reg_note.
6467
6468 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6469
6470         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6471         (ix86_builtin_conversion): New function.
6472
6473 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6474
6475         PR target/29487
6476         * tree.h (DECL_REPLACEABLE_P): New macro.
6477         * except.c (set_nothrow_function_flags): Likewise.
6478
6479 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6480             Ira Rosen  <irar@il.ibm.com>
6481             Dorit Nuzman  <dorit@il.ibm.com>
6482
6483         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6484         * targhooks.c (default_builtin_vectorized_conversion): New.
6485         * targhooks.h (default_builtin_vectorized_function): New declaration.
6486         * target.h (struct vectorize): Add builtin_conversion field.
6487         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6488         stmt_vec_info_type value.
6489         (vectorizable_conversion): New declaration.
6490         * tree-vect-analyze.c (vect_analyze_operations): Add
6491         vectorizable_conversion call.
6492         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6493         * tree-vect-transform.c (vectorizable_conversion): New function.
6494         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6495         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6496         mode.
6497         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6498         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6499         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6500         or ALTIVEC_BUILTIN_VCFSX.
6501
6502 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6503
6504         PR target/30634
6505         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6506         CONST_DOUBLE and operand 0 is a hard register.
6507         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6508         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6509         is a hard floating-point register.
6510
6511 2007-02-10  Richard Henderson  <rth@redhat.com>
6512             Jakub Jelinek  <jakub@redhat.com>
6513             Alexandre Oliva  <aoliva@redhat.com>
6514
6515         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6516         * builtin-types.def (BT_WORD): Make unsigned.
6517         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6518         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6519         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6520         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6521         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6522         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6523         emulated tls.
6524         * expr.c (emutls_var_address): New.
6525         (expand_expr_real_1): Expand emulated tls.
6526         (expand_expr_addr_expr_1): Likewise.
6527         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6528         * output.h (emutls_finish): Declare.
6529         * toplev.c (compile_file): Call it.
6530         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6531         address before wrapping in CONST.
6532         * varasm.c (emutls_htab, emutls_object_type): New.
6533         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6534         (get_emutls_object_name, get_emutls_object_type): New.
6535         (get_emutls_init_templ_addr, emutls_decl): New.
6536         (emutls_common_1, emutls_finish): New.
6537         (assemble_variable): When emulating tls, swap decls; generate
6538         constructor for the emutls objects.
6539         (do_assemble_alias): When emulating tls, swap decl and target name.
6540         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6541         for emulated tls.
6542         * varpool.c (decide_is_variable_needed): Look at force_output.
6543         Recurse for emulated tls.
6544         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6545         with decide_is_variable_needed.
6546         * emutls.c: New file.
6547         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6548         tls_object for real tls.
6549
6550 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6551
6552         PR rtl-optimization/29599
6553         * reload1.c (eliminate_regs_in_insn): Take the destination
6554         mode into account when computing the offset.
6555
6556 2007-02-09  Stuart Hastings  <stuart@apple.com>
6557             Richard Henderson  <rth@redhat.com>
6558
6559         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6560         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6561         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6562         fixuns_truncdfhi2): New.
6563         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6564         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6565         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6566         (floatunssidf2): Allow nonimmediate source.
6567         * gcc/config/i386/sse.md (movdi_to_sse): New.
6568         (vec_concatv2di): Drop '*'.
6569         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6570         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6571         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6572         New.
6573         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6574         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6575         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6576         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6577         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6578         ix86_build_const_vector.
6579         (x86_emit_floatuns): Rewrite.
6580
6581 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6582
6583         * genautomata.c (longest_path_length): Delete unused function.
6584         (struct state): Delete unused longest_path_length.
6585         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6586         (get_free_state): Delete unused.
6587
6588 2007-02-09  Jan Hubicka  <jh@suse.cz>
6589
6590         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6591         * doc/invoke.texi (inline-unit-growth): Update default value.
6592
6593         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6594         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6595         (rebuild_cgraph_edges): Likewise.
6596         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6597         (dump_cgraph_node): Dump frequencies.
6598         (cgraph_clone_edge): Add frequency scales.
6599         (cgraph_clone_node): Add freuqnecy.
6600         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6601         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6602         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6603         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6604         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6605         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6606         (save_inline_function_body): Likewise.
6607         * ipa-inline.c: inluce rtl.h
6608         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6609         (cgraph_edge_badness): Use frequencies.
6610         (cgraph_decide_recursive_inlining): Update clonning.
6611         (cgraph_decide_inlining_of_small_function): Dump frequency.
6612         * predict.c (estimate_bb_frequencies): Export.
6613         * predict.h (estimate_bb_frequencies): Declare.
6614         * tree-inline.c (copy_bb): Watch overflows.
6615         (expand_call_inline): Update call of cgraph_create_edge.
6616         (optimize_inline_calls): Use TODO flags to update frequnecies.
6617         * passes.h: Include predict.h
6618         (init_optimization_passes): Move profile ahead.
6619         (execute_function_todo): Handle TODO_rebuild_frequencies.
6620
6621 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6622
6623         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6624         the insbl or inswl pattern into a register.
6625
6626 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6627
6628         * config/ia64/ia64.md (bswapdi2): New define_insn.
6629
6630 2007-02-09  Richard Henderson  <rth@redhat.com>
6631
6632         * config/i386/constraints.md (Ym): New constraint.
6633         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6634         (movdi_1_rex64): Split sse and xmm general register moves from
6635         memory move alternatives.  Use conditional register constraints.
6636         (movsf_1, movdf_integer): Likewise.
6637         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6638         (movdf_integer_rex64): New.
6639         (pushsf_rex64): Fix output constraints.
6640         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6641         (sse2_stored): Likewise.
6642         (sse2_storeq_rex64): New.
6643         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6644         amd and not generic.
6645         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6646         for optimize_size.  Remove SF/DFmode hack.
6647
6648 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6649
6650         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6651         (bit_SSE4a): New.
6652
6653 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6654             Richard Sandiford  <richard@codesourcery.com>
6655
6656         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6657         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6658         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6659         m68k/t-mlib to tmake_file.
6660         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6661         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6662         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6663         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6664         variable is not empty, add t-$m68k_arch_family to tmake_file.
6665         Add t-mlibs to tmake_file.
6666         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6667         * config/m68k/t-cf: New file.
6668         * config/m68k/t-m68k: Likewise.
6669         * config/m68k/t-mlibs: Likewise.
6670         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6671         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6672         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6673         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6674         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6675         Delete.
6676         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6677         (INSTALL_LIBGCC): Delete.
6678         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6679         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6680         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6681         (M68K_MLIB_CPU): Define.
6682         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6683         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6684         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6685
6686 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6687             Richard Guenther  <rguenther@suse.de>
6688
6689         PR middle-end/23361
6690         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6691         against INT_MIN/INT_MAX.
6692         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6693         file if a loop is removed.
6694
6695 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6696
6697         * calls.c (store_one_arg): Pass correct alignment to
6698         emit_push_insn for non-BLKmode values.
6699         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6700         unaligned stack slot via a suitably aligned slot.
6701
6702 2007-02-08  DJ Delorie  <dj@redhat.com>
6703
6704         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6705         warnings.
6706         (legal_subregs): Use unsigned char, make const.
6707         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6708
6709 2007-02-08  Paul Brook  <paul@codesourcery.com>
6710
6711         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6712         special interworking needed.
6713
6714 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6715
6716         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6717         conditional to __SSE2__.
6718         (Entries below should have been added to first ChangeLog
6719         entry for amdfam10 dated 2007-02-05)
6720         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6721         defined.
6722         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6723         defined.
6724         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6725         defined.
6726
6727 2007-02-08  DJ Delorie  <dj@redhat.com>
6728
6729         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6730         * config/m32c/m32c.c (legal_subregs): New.
6731         (m32c_illegal_subreg_p): New.
6732         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6733         unsupported subregs of hard regs.
6734
6735 2007-02-08  Jan Hubicka  <jh@suse.cz>
6736
6737         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6738         the same one; always update histograms.
6739
6740 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6741
6742         * passes.c (init_optimization_passes): Tidy comment.
6743
6744 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6745
6746         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6747         strip zero_extend, bswap and rotates from POCOUNT's argument.
6748         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6749         zero_extend and rotates from PARITY's argument.
6750         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6751         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6752         of an integer constant at compile-time.
6753
6754 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6755
6756         PR 30562
6757         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6758         Update all users.
6759         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6760         users.
6761         (init_alias_info):
6762         * tree-ssa-live.c (remove_unused_locals): Do not remove
6763         TREE_ADDRESSABLE variables.
6764         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6765         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6766         FOR_CLOBBER.  Update all users.
6767         If VAR has an associated alias set, add a virtual operand for
6768         it if no alias is found to conflict with the memory reference.
6769
6770 2007-02-07  Jan Hubicka  <jh@suse.cz>
6771             Robert Kidd <rkidd@crhc.uiuc.edu>
6772
6773         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6774
6775 2007-02-07  Ian Lance Taylor  <iant@google.com>
6776
6777         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6778
6779 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6780
6781         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6782         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6783         tablejumpdi, movsi_to_cr_one): Remove constraints from
6784         define_expand's match_operands.
6785
6786 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6787
6788         * global.c (compute_regsets): Move declatation of "i" inside of
6789         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6790
6791 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6792
6793         PR c++/30703
6794         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6795         of INDIRECT_REF <RESULT_DECL>.
6796
6797         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6798
6799 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6800             Kaz Kojima  <kkojima@gcc.gnu.org>
6801
6802         PR target/29746
6803         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6804         properly.
6805         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6806
6807 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6808
6809         * doc/loop.texi: Document possibility not to perform disambiguation
6810         of loops with multiple latches.
6811         * cfgloopmanip.c (alp_enum_p): Removed.
6812         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6813         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6814         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6815         the new forwarder block.
6816         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6817         Handle the case latch is NULL.
6818         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6819         when marking loop exits.
6820         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6821         be modified.
6822         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6823         disambiguate_loops_with_multiple_latches.
6824         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6825         before fix_loop_structure.
6826         * cfgloop.c: Include pointer-set.h and output.h.
6827         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6828         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6829         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6830         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6831         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6832         disambiguate_multiple_latches, get_loop_body_with_size,
6833         disambiguate_loops_with_multiple_latches): New functions.
6834         (flow_loop_dump): Dump multiple latch edges.
6835         (flow_loop_nodes_find): Handle loops with multiple latches.
6836         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6837         (glb_enum_p): Modified.
6838         (get_loop_body): Use get_loop_body_with_size.
6839         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6840         (AVOID_CFG_MODIFICATIONS): New constant.
6841         (disambiguate_loops_with_multiple_latches, add_loop,
6842         get_loop_body_with_size): Declare.
6843         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6844
6845 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6846
6847         PR inline-asm/28686
6848         * global.c (compute_regsets): New function.
6849         (global_alloc): Refactored ELIMINABLE_REGSET
6850         and NO_GLOBAL_ALLOC_REGS computation out.
6851         (rest_of_handle_global_alloc): Call compute_regsets()
6852         for non-optimizing case.
6853
6854 2007-02-06  Richard Henderson  <rth@redhat.com>
6855
6856         * config/i386/constraints.md (Y2): Rename from Y.
6857         (Yi): New constraint.
6858         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6859         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6860         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6861         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6862         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6863         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6864         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6865         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6866         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6867         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6868         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6869         vec_extractv2si_1): Change Y constraints to Y2.
6870         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6871         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6872         Change Y constraints to Y2.
6873         (sse2_loadld): Change Y constraints to x.
6874
6875 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6876
6877         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6878         (parity<mode>2): New define_expand using rs6000_emit_parity.
6879         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6880         rs6000_emit_parity): New functions.
6881         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6882         rs6000_emit_parity): Prototype here.
6883
6884 2007-02-06  Ian Lance Taylor  <iant@google.com>
6885
6886         * lower-subreg.c (simple_move_operand): Reject CONST.
6887         (resolve_clobber): Call validate_change rather than directly
6888         assigning to XEXP (pat, 0).
6889
6890 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6891
6892         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6893         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6894         (tree-cfg.o): Remove hashtab.h dependency.
6895
6896         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6897         (struct ivopts_data): Change niters to pointer_map_t.
6898         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6899         (niter_for_exit): Create pointer_map on demand.  Change for
6900         pointer_map API.
6901         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6902         (free_loop_data): Destroy data->niters if created and reset field.
6903         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6904         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6905
6906         * tree-ssa-reassoc.c: Include pointer-set.h.
6907         (bb_rank): Change to long *.
6908         (operand_rank): Change to pointer_map_t.
6909         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6910         (insert_operand_rank): Accept long.
6911         (operand_entry_hash, operand_entry_eq): Remove.
6912         (get_rank): Return long.  Adjust for changes above.
6913         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6914         and operand_rank.
6915         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6916
6917         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6918         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6919         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6920         is not NULL.
6921         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6922         directly since it cannot be NULL.
6923         (get_vi_for_tree): Rewrite for pointer_map API.
6924         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6925         (init_alias_vars): Create vi_for_tree as pointer_map.
6926         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6927
6928         * tree-cfg.c: Don't include hashtab.h.
6929         (edge_to_cases): Declare as pointer_map.
6930         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6931         Delete.
6932         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6933         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6934         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6935         destroying it.
6936         (record_switch_edge): Delete.
6937         (get_cases_for_edge): Adjust for pointer_map API, inline
6938         record_switch_edge (rewritten for new API), remove goto.
6939
6940 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6941
6942         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6943         * tree-nested.c: Include pointer-set.h.
6944         (var_map_elt, var_map_eq, var_map_hash): Delete.
6945         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6946         to pointer_map_t's.
6947         (nesting_info_bitmap_obstack): New.
6948         (lookup_field_for_decl): Adjust for pointer_map API.
6949         (lookup_tramp_for_decl): Adjust for pointer_map API.
6950         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6951         (get_local_debug_decl): Adjust for pointer_map API.
6952         (convert_nl_goto_reference): Adjust for pointer_map API.
6953         (convert_nl_goto_receiver): Adjust for pointer_map API.
6954         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6955         the new obstack.  Create field_map and var_map as pointer_maps.
6956         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6957         (root): Delete.
6958         (lower_nested_functions): Move root here, no need to NULL it.
6959         Initialize and release the obstack.
6960
6961 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6962
6963         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6964         Remove prototypes and make them non-static.
6965         (struct tree_int_map): Remove.
6966         * tree.h (struct tree_int_map): Move here, turning TO into an
6967         unsigned int.
6968         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6969
6970         * tree.h (TREE_COMPLEXITY): Remove.
6971         (struct tree_exp): Remove complexity field.
6972         * tree.c (build1_stat): Don't set it.
6973
6974 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6975             Victor Kaplansky  <victork@il.ibm.com>
6976
6977         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6978         (vect_is_simple_reduction): Support reduction with induction as
6979         one of the operands.
6980         (vect_is_simple_iv_evolution): Fix formatting.
6981         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6982         formatting.  Don't mark induction phis for vectorization.
6983         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6984         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6985         (vect_get_vec_def_for_operand): Support induction.
6986         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6987         induction case.
6988         (vectorizable_reduction): Support reduction with induction as one of
6989         the operands.
6990         (vectorizable_type_demotion): Use def-type of stmt argument rather
6991         than dummy def-type.
6992
6993         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6994         flag_tree_scev_cprop.
6995         * common.opt (tree-scev-cprop): New flag.
6996
6997         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6998         call to vect_get_new_vect_var.
6999
7000 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7001
7002         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7003         vectype is not NULL.
7004         (vect_pattern_recog_1): Likewise.
7005
7006 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7007
7008         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7009         (fold_negate_expr): Likewise.
7010
7011 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7012
7013         PR debug/30189
7014         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7015         even if cv-qualification is the same.
7016
7017 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7018
7019         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7020         __enable_execute_stack on completion.
7021
7022 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7023
7024         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7025         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7026         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7027         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7028         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7029         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7030         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7031         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7032
7033 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7034
7035         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7036         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7037         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7038         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7039         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7040         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7041         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7042         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7043         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7044         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7045         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7046         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7047         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7048         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7049         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7050         sqrtextenddfxf2_i387): Added amdfam10_decode.
7051
7052         * config/i386/athlon.md (athlon_idirect_amdfam10,
7053         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7054         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7055         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7056         athlon_ivector_store_amdfam10): New define_insn_reservation.
7057         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7058         amdfam10.
7059
7060 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7061
7062         * config/i386/athlon.md (athlon_call_amdfam10,
7063         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7064         define_insn_reservation.
7065         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7066         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7067         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7068
7069 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7070
7071         * config/i386/athlon.md (athlon_sseld_amdfam10,
7072         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7073         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7074
7075 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7076
7077         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7078         define_insn_reservation.
7079         * config/i386/i386.md (sseins): Added sseins to define_attr type
7080         and define_attr unit.
7081         * config/i386/sse.md: Set type attribute to sseins for insertq
7082         and insertqi.
7083
7084 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7085
7086         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7087         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7088         ssecomi_load_amdfam10, ssecomi_amdfam10,
7089         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7090         define_insn_reservation.
7091         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7092
7093 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7094
7095         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7096         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7097         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7098         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7099         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7100         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7101         define_insn_reservation.
7102
7103         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7104         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7105         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7106         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7107         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7108
7109 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7110
7111         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7112         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7113         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7114         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7115         athlon_ssemul_load_k8): Added amdfam10.
7116
7117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7118
7119         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7120         (x86_sse_unaligned_move_optimal): New variable.
7121
7122         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7123         m_AMDFAM10.
7124         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7125         for unaligned vector SSE double/single precision loads for AMDFAM10.
7126
7127 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7128
7129         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7130         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7131         Define TARGET_CPU_DEFAULT_amdfam10.
7132         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7133         (processor_type): Add PROCESSOR_AMDFAM10.
7134
7135         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7136         processor_type in config/i386/i386.h.
7137         Enable imul peepholes for TARGET_AMDFAM10.
7138
7139         * config.gcc: Add support for --with-cpu option for amdfam10.
7140
7141         * config/i386/i386.c (amdfam10_cost): New variable.
7142         (m_AMDFAM10): New macro.
7143         (m_ATHLON_K8_AMDFAM10): New macro.
7144         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7145         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7146         x86_promote_QImode, x86_integer_DFmode_moves,
7147         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7148         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7149         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7150         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7151         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7152         Enable/disable for amdfam10.
7153         (override_options): Add amdfam10_cost to processor_target_table.
7154         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7155         processor_alias_table.
7156         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7157         (ix86_adjust_cost): Add code for amdfam10.
7158
7159 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7160
7161         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7162         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7163         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7164         * config/i386/i386.h: Add builtin definition for SSE4A.
7165         * config/i386/i386.md: Add support for ABM instructions
7166         (popcnt and lzcnt).
7167         * config/i386/sse.md: Add support for SSE4A instructions
7168         (movntss, movntsd, extrq, insertq).
7169         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7170         Add -march=amdfam10 flag.
7171         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7172         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7173         and amdfam10.
7174         * doc/extend.texi: Add documentation for SSE4A builtins.
7175
7176 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7177
7178         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7179
7180 2007-02-05  Richard Guenther  <rguenther@suse.de>
7181
7182         * tree-vectorizer.h (vectorizable_function): Add argument type
7183         argument, change return type.
7184         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7185         * tree-vect-transform.c (vectorizable_function): Handle extra
7186         argument, return vectorized function decl.
7187         (build_vectorized_function_call): Remove.
7188         (vectorizable_call): Handle calls with result and argument types
7189         differing.  Handle loop vectorization factor correctly.
7190         * targhooks.c (default_builtin_vectorized_function): Adjust for
7191         extra argument.
7192         * targhooks.h (default_builtin_vectorized_function): Likewise.
7193         * target.h (builtin_vectorized_function): Add argument type
7194         argument.
7195         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7196         extra argument, allow vectorizing of lrintf.
7197         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7198         documentation of target hook.
7199
7200 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7201
7202         PR target/30665
7203         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7204         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7205         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7206
7207 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7208
7209         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7210         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7211         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7212         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7213         before canonicalizing sincos to cexpi.
7214         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7215
7216 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7217
7218         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7219         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7220         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7221
7222 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7223
7224         * mips-tfile.c (initialize_init_file): Correct endianness test.
7225
7226 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7227
7228         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7229         the 'y' constraint.
7230
7231 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7232
7233         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7234         saves in a PARALLEL before the register assignments.
7235
7236 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7237
7238         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7239         DWARF_FRAME_RETURN_COLUMN to be a general register.
7240         * dwarf2out.c (init_return_column_size): New function, split from...
7241         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7242         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7243         to be nongeneral registers.
7244         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7245         integer registers.
7246         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7247         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7248
7249 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7250
7251         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7252
7253 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7254
7255         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7256         (remove_path): Use can_remove_branch_p and remove_branch instead
7257         of loop_delete_branch_edge.
7258         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7259         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7260         Update profile using scale_dominated_blocks_in_loop.
7261         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7262         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7263         (can_remove_branch_p, remove_branch): Declare.
7264         * tree-cfg.c (tree_can_remove_branch_p): New function.
7265         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7266         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7267         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7268
7269 2007-02-05  Jan Hubicka  <jh@suse.cz>
7270
7271         PR middle-end/30696
7272         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7273         nodes in cgraph, don't remove offline copy of the function.
7274
7275 2007-02-04  Jan Hubicka  <jh@suse.cz>
7276
7277         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7278         vectors might cause maybe_lookup_element_for_expr to be called
7279         on non-sra-candidate.
7280
7281 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7282
7283         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7284         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7285         spelling conventions.
7286
7287 2007-02-04  Richard Guenther  <rguenther@suse.de>
7288
7289         PR middle-end/30636
7290         * fold-const.c (try_move_mult_to_index): Make sure to not
7291         overflow one dimension of a multi-dimensional array access.
7292
7293 2007-02-04  Jan Hubicka  <jh@suse.cz>
7294
7295         * passes.c (init_optimization_passes): Reindent.
7296
7297 2007-02-04  Jan Hubicka  <jh@suse.cz>
7298             Eric Botcazou  <ebotcazou@adacore.com>
7299
7300         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7301         (execute_fixup_cfg): Break out the abnormal goto code.
7302         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7303         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7304         (optimize_inline_calls): Call make_nonlocal_label_edges.
7305
7306 2007-02-04  Jan Hubicka  <jh@suse.cz>
7307
7308         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7309         true when something was changed.
7310         (rename_ssa_copies): When something was changed, do
7311         TODO_remove_unused_locals.
7312         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7313         add TODO_remove_unused_locals when instruction was removed.
7314
7315 2007-02-04  Jan Hubicka  <jh@suse.cz>
7316
7317         * ipa-inline.c (try_inline): Improve debug output; work on already
7318         inline edges too.
7319         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7320         call try_inline for already inlined edges too when flattening;
7321         inline also functions that make callee growth but overall unit size
7322         reduce.
7323
7324 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7325
7326         * config/m32c/bitops.md, config/m32c/jump.md,
7327         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7328         config/m32r/m32r.h, config/m32r/m32r.md,
7329         config/m32r/predicates.md, config/m68hc11/larith.asm,
7330         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7331         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7332         config/mips/mips-protos.h, config/mips/mips.c,
7333         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7334         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7335         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7336         spelling conventions.
7337
7338         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7339         Follow spelling conventions.
7340
7341 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7342
7343         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7344         warn about C++0x compatibility.
7345
7346 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7347
7348         * config/h8300/h8300.c, config/h8300/h8300.h,
7349         config/h8300/h8300.md: Follow spelling conventions.
7350
7351 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7352
7353         PR middle-end/30667
7354         * combine.c (try_combine): Do not substitute source operand
7355         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7356
7357 2007-02-03  Jan Hubicka  <jh@suse.cz>
7358
7359         PR gcov-profile/30650
7360         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7361         do not divide by zero for never executed counters.
7362         (tree_find_values_to_profile): Fix counters.
7363         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7364
7365 2007-02-03  Ian Lance Taylor  <iant@google.com>
7366
7367         * lower-subreg.c (simple_move_operand): New static function,
7368         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7369         operands.
7370         (simple_move): Call simple_move_operand.
7371         (find_decomposable_subregs): Add special handling of MEMs.
7372         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7373         meaning of return value.  If we see a hard register, test whether
7374         it can store a word_mode value.  Change all callers.
7375
7376 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7377
7378         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7379         ftrapv insns and expanders.
7380         (subdi3): Change define_expand operand 1 to arith11_operand, and
7381         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7382         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7383         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7384         respectively.
7385
7386         PR middle-end/30174
7387         * varasm.c (notice_global_symbol): Treat global objects as weak when
7388         flag_shlib is true.
7389
7390 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7391
7392         * emit-rtl.c (dconstpi): Delete.
7393         (dconstsqrt2): New.
7394         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7395         * real.h (dconstpi): Delete.
7396         (dconstsqrt2): New.
7397         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7398         (fold_builtin_hypot): Likewise.
7399
7400 2007-02-03  Tom Tromey  <tromey@redhat.com>
7401
7402         PR driver/30246
7403         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7404         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7405
7406 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7407
7408         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7409         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7410         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7411         config/rs6000/cell.md, config/rs6000/darwin.h,
7412         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7413         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7414         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7415         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7416         typos.  Follow spelling conventions.
7417         * doc/invoke.texi: Follow spelling conventions.
7418
7419 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7420
7421         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7422         canonicalization transformations that attempt to simplify integer
7423         constant comparisons to become comparisons against zero.
7424
7425 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7426
7427         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7428         fabs(x)*sqrt(2).
7429         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7430         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7431
7432 2007-02-02  Mike Stump  <mrs@apple.com>
7433
7434         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7435         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7436         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7437         generate a branch island.
7438
7439 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7440
7441         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7442         (xtensa_legitimate_address_p): New.
7443         (xtensa_legitimize_address): New.
7444         (xtensa_output_addr_const_extra): New.
7445         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7446         (BASE_REG_P): New.
7447         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7448         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7449         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7450         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7451         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7452         (xtensa_legitimize_address): New.
7453         (xtensa_output_addr_const_extra): New.
7454
7455 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7456
7457         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7458
7459 2007-02-02  Ian Lance Taylor  <iant@google.com>
7460
7461         * expmed.c (expand_divmod): Add comment.
7462
7463 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7464
7465         * emit-rtl.c (renumber_insns): Remove.
7466         * flags.h: Remove the extern for flag_renumber_insns.
7467         * rtl.h: Remove the prototype for renumber_insns.
7468         * toplev.c (flag_renumber_insns): Remove.
7469
7470 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7471
7472         Revert for x86 darwin:
7473         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7474
7475         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7476         code before the following patch under TARGET_MACHO.
7477         (ix86_function_value_regno_p): Likewise.
7478
7479 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7480
7481         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7482         COMPLEX_EXPR.
7483
7484 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7485
7486         PR target/29682
7487         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7488         general or fp registers.  Add comments.
7489         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7490
7491 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7492
7493         * pointer-set.c (insert_aux): Only return insertion slot.
7494         (pointer_set_insert): Adjust.
7495         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7496         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7497         pointer_map_traverse): New.
7498         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7499         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7500         pointer_map_contains, pointer_map_traverse): Declare.
7501
7502 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7503
7504         PR middle-end/30473
7505         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7506         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7507
7508 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7509
7510         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7511
7512         (struct _dep): New type.
7513         (dep_t): New typedef.
7514         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7515         (DEP_STATUS): New access macro.  The macro with the same name was
7516         renamed to DEP_LINK_STATUS.
7517         (dep_init): Declare function
7518
7519         (struct _dep_link): New type.
7520         (dep_link_t): New typedef.
7521         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7522         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7523         (DEP_LINK_STATUS): New macro.
7524         (debug_dep_links): New debug function.
7525
7526         (struct _deps_list): New type.
7527         (deps_list_t): New typedef.
7528         (DEPS_LIST_FIRST): New access macro.
7529         (FOR_EACH_DEP_LINK): New cycle macro.
7530         (create_deps_list, free_deps_list, delete_deps_list): Declare
7531         functions.
7532         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7533         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7534         (copy_deps_list_change_con): Ditto.
7535
7536         (move_dep_link): Declare function.
7537
7538         (struct _dep_node): New type.
7539         (dep_node_t): New typedef.
7540         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7541
7542         (struct haifa_insn_data.back_deps): New field to hold backward
7543         dependencies of the insn.
7544         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7545         to deps_list_t.
7546         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7547         Change its type to deps_list_t.
7548         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7549         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7550         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7551
7552         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7553
7554         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7555
7556         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7557         all callers.
7558         (dep_cost): Declare.
7559
7560         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7561         (ds_to_dk, dk_to_ds): New functions.
7562
7563         (init_dep_1): New static function.
7564         (init_dep): New function.
7565         (copy_dep): New static function.
7566
7567         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7568         functions.
7569         (detach_dep_link): New static function.
7570         (move_dep_link): New function.
7571
7572         (dep_links_consistent_p, dump_dep_links): New static functions.
7573         (debug_dep_links): New debugging function.
7574
7575         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7576
7577         (alloc_deps_list, init_deps_list): New static functions.
7578         (create_deps_list): New function.
7579         (clear_deps_list): New static function.
7580         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7581         (deps_list_consistent_p, dump_deps_list): New static functions.
7582         (debug_deps_list): New function.
7583         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7584         functions.
7585         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7586
7587         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7588         use new scheduler dependencies lists.
7589         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7590         (sched_analyze): Ditto.  Initialize dependencies lists.
7591         (add_forw_dep, compute_forward_dependences): Update to use new
7592         scheduler dependencies lists.
7593
7594         (init_dependency_caches): Init deps_obstack.
7595         (free_dependency_caches): Free deps_obstack.
7596
7597         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7598         new scheduler dependencies lists.
7599         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7600         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7601
7602         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7603         Update to use new scheduler dependencies lists.
7604         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7605         (debug_dependencies): Ditto.
7606         (schedule_region): Update comments.
7607
7608         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7609         scheduler dependencies lists.
7610         (schedule_ebb): Update comments.
7611
7612         * rtl.def (DEPS_LIST): Remove.
7613
7614         * lists.c (unused_deps_list): Remove.
7615         (free_list): Update assertions.
7616
7617         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7618         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7619
7620         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7621         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7622
7623         * haifa-sched.c (comments): Update.
7624         (insn_cost1): Remove.  Inline the code into insn_cost ().
7625         (insn_cost): Update to use new scheduler dependencies lists.  Move
7626         processing of the dependency cost to dep_cost ().
7627         (dep_cost): New function.  Use it instead of insn_cost () when
7628         evaluating cost of the dependency.  Use compatible interface to
7629         interact with the target.
7630         (priority): Update to use new scheduler dependencies lists.
7631         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7632         with greater number of insns that depend on the insn.
7633         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7634         code to free backward dependencies lists.  Inline and optimize code
7635         from resolve_dep () - see PR28071.
7636         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7637         lists.  Update call to targetm.sched.is_costly_dependence hook.
7638
7639         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7640         scheduler dependencies lists.
7641
7642         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7643         (init_h_i_d): Initialize dependencies lists.
7644
7645         (process_insn_depend_be_in_spec): Rename to
7646         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7647         dependencies lists.
7648         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7649         Update to use new scheduler dependencies lists.
7650         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7651
7652         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7653         new scheduler dependencies lists.
7654         (build_intra_loop_deps): Ditto.
7655
7656         * target.h (struct _dep): Declare to use in
7657         gcc_target.sched.is_costly_dependence.
7658         (struct gcc_target.sched.adjust_cost): Fix typo.
7659         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7660         single dep_t parameter instead of an equivalent triad.
7661         (struct gcc_target.sched.adjust_cost_2): Remove.
7662
7663         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7664
7665         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7666
7667         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7668         documentation.
7669         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7670
7671         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7672         (REG_DEP_TRUE): Document.
7673
7674         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7675         Change signature to correspond to the targetm.sched.adjust_cost hook.
7676         Update use in TARGET_SCHED_ADJUST_COST_2.
7677         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7678         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7679         new scheduler dependencies lists.
7680         (ia64_gen_check): Ditto.
7681
7682         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7683         dependencies lists.
7684
7685         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7686         signature to correspond to the targetm.sched.is_costly_dependence hook.
7687         (is_costly_group): Update to use new scheduler dependencies lists.
7688
7689         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7690         instead of INSN_COST () macro.
7691
7692 2007-02-01  Ian Lance Taylor  <iant@google.com>
7693
7694         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7695
7696 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7697
7698         * pa.md (tp_load): Correct mfctl instruction syntax.
7699
7700 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7701
7702         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7703         altivec_padding_size calculation on AIX.  Improve comment, add
7704         assert to verify that it's right.
7705
7706         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7707         64-bit.
7708
7709 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7710
7711         PR inline-asm/28686
7712         * global.c (global_alloc): Add mising initialization of
7713         ELIMINABLE_REGSET.
7714
7715 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7716
7717         * alias.c (init_alias_analysis): Correct whitespace.
7718         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7719         partition_hot_cold_basic_blocks): Likewise.
7720         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7721         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7722         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7723         fold_builtin_snprintf_chk, fold_builtin_printf,
7724         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7725         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7726         * cfgcleanup.c (cleanup_cfg): Likewise.
7727         * cfgexpand.c (tree_expand_cfg): Likewise.
7728         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7729         * function.c (get_next_funcdef_no): Likewise.
7730         * gengtype.c (main): Likewise.
7731         * genmodes.c (main): Likewise.
7732         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7733         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7734         * ifcvt.c (noce_emit_move_insn): Likewise.
7735         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7736         Likewise.
7737         * stor-layout.c (get_best_mode): Likewise.
7738         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7739         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7740         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7741         perform_var_substitution, solve_graph): Likewise.
7742         * tree-vrp.c (vrp_finalize): Likewise.
7743
7744 2007-02-01  Ian Lance Taylor  <iant@google.com>
7745
7746         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7747         high part of a paradoxical subreg, return a constant zero.
7748
7749 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7750
7751         * toplev.c (lang_dependent_init): Call init_set_costs.
7752         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7753
7754 2007-02-01  Richard Guenther  <rguenther@suse.de>
7755
7756         PR middle-end/30656
7757         * fold-const.c (fold_negate_expr): Allow negating a
7758         constant if overflow does not change.
7759
7760 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7761
7762         * doc/c-tree.texi (Expression trees): Improve markup.
7763         * doc/tm.texi (Register Classes, Addressing Modes)
7764         (Floating Point): Fix spacing after abbreviations.  Fix some
7765         typos.
7766
7767 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7768
7769         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7770         * doc/contrib.texi: Likewise.
7771         * doc/install.texi: Likewise.
7772
7773 2007-01-31  Richard Henderson  <rth@redhat.com>
7774             Ian Lance Taylor  <iant@google.com>
7775
7776         * lower-subreg.c: New file.
7777         * rtl.def (CONCATN): Define.
7778         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7779         pass_lower_subreg2.
7780         * emit-rtl.c (update_reg_offset): New static function, broken out
7781         of gen_rtx_REG_offset.
7782         (gen_rtx_REG_offset): Call update_reg_offset.
7783         (gen_reg_rtx_offset): New function.
7784         * regclass.c: Revert patch of 2006-03-05, restoring
7785         reg_scan_update.
7786         (clear_reg_info_regno): New function.
7787         * dwarf2out.c (concatn_loc_descriptor): New static function.
7788         (loc_descriptor): Handle CONCATN.
7789         * common.opt (fsplit_wide_types): New option.
7790         * opts.c (decode_options): Set flag_split_wide_types when
7791         optimizing.
7792         * timevar.def (TV_LOWER_SUBREG): Define.
7793         * rtl.h (gen_reg_rtx_offset): Declare.
7794         (reg_scan_update): Declare.
7795         * regs.h (clear_reg_info_regno): Declare.
7796         * tree-pass.h (pass_lower_subreg): Declare.
7797         (pass_lower_subreg2): Declare.
7798         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7799         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7800         -fsplit-wide-types.
7801         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7802         * Makefile.in (OBJS-common): Add lower-subreg.o.
7803         (lower-subreg.o): New target.
7804
7805 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7806
7807         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7808
7809 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7810
7811         PR target/19087
7812         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7813
7814 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7815
7816         PR middle-end/29335
7817         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7818
7819 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7820
7821         * cfgloop.h: Include vec-prim.h.
7822         (enum li_flags): Remove LI_ONLY_OLD.
7823         (loop_iterator): Changed.
7824         (fel_next, fel_init): Iterate over loop tree.
7825         (FOR_EACH_LOOP_BREAK): New macro.
7826         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7827         FOR_EACH_LOOP.
7828         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7829         * modulo-sched.c (sms_schedule): Ditto.
7830         * tree-vectorizer.c (vectorize_loops): Ditto.
7831         * doc/loop.texi: Update information on loop numbering and behavior of
7832         FOR_EACH_LOOP wrto new loops.
7833         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7834         add_to_evolution_1): Test nestedness of loops instead of comparing
7835         their numbers.
7836         * tree-chrec.c (chrec_fold_plus_poly_poly,
7837         chrec_fold_multiply_poly_poly, chrec_evaluate,
7838         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7839         reset_evolution_in_loop): Ditto.
7840         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7841
7842 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7843
7844         * c-common.c (warn_about_parentheses): Separate warning about
7845         un-parenthized sequence of comparison operators from the one
7846         which is supposed to warn about x <= y <= z.
7847
7848 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7849
7850         * optabs.h (enum optab_index): Add new OTI_isinf.
7851         (isinf_optab): Define corresponding macro.
7852         * optabs.c (init_optabs): Initialize isinf_optab.
7853         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7854         patterns.
7855         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7856         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7857         using isinf_optab.
7858         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7859         expand_builtin_interclass_mathfn.
7860         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7861         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7862         (fxam<mode>2_i387): New insn pattern.
7863         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7864         built-in functions as x87 inline asm.
7865
7866 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7867
7868         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7869
7870 2007-01-30  Eric Christopher  <echristo@apple.com>
7871
7872         * config.gcc: Add geode.
7873
7874 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7875
7876         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7877         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7878         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7879         value-prof.c: Fix comment typos.
7880
7881 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7882
7883         PR c++/24745
7884         * doc/invoke.texi (Wpointer-arith): Document warning.
7885
7886 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7887
7888         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7889         the list of discrepancies from the draft TR.
7890
7891 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7892
7893         PR c++/30601
7894         * doc/invoke.texi (-Wreturn-type): Update description to
7895         match new behavior.
7896
7897 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7898
7899         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7900
7901 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7902
7903         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7904         to handle optabs that operate on floating point input argument and
7905         output to integer output.
7906         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7907         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7908         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7909         expand_builtin_interclass_mathfn ().
7910         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7911         (ilogbsi2): Remove.
7912         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7913         ilogbl built-in functions as x87 intrinsics.
7914
7915 2007-01-30  Richard Guenther  <rguenther@suse.de>
7916
7917         PR middle-end/27657
7918         * dwarf2out.c (reference_to_unused): Query varpool if the
7919         variable was output.
7920
7921 2007-01-30  Richard Guenther  <rguenther@suse.de>
7922
7923         PR middle-end/30313
7924         * passes.c (execute_one_pass): Reset in_gimple_form to not
7925         confuse non-unit-at-a-time mode.
7926
7927 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7928             Richard Guenther  <rguenther@suse.de>
7929
7930         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7931         avoid undefined behaviour on overflow.  Use force_fit_type_double
7932         to construct the constant with the specified TREE_OVERFLOW.
7933
7934 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7935
7936         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7937         * config/dfp-bit.h: Ditto.
7938
7939 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7940
7941         * c-decl.c (pop_scope): Replace warnings with call to
7942         warn_for_unused_label.
7943         * c-common.h (warn_for_unused_label): Declare.
7944         * c-common.c (warn_for_unused_label): Define.
7945
7946 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7947
7948         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7949         function.
7950
7951 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7952
7953         * Makefile.in (USER_H): Remove decfloat.h.
7954         * ginclude/decfloat.h: Delete, moving contents to ...
7955         * ginclude/float.h: Add support for decimal floating point,
7956         guarded by __STDC_WANT_DEC_FP__.
7957
7958 2007-01-29  Mike Stump  <mrs@apple.com>
7959
7960         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7961         Analysis and Representation to resolve case insensitive conflict.
7962         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7963
7964 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7965
7966         * tree.h (struct tree_memory_tag): Add aliases member.
7967         (MTAG_ALIASES): New macro.
7968         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7969         (add_may_alias): Remove pointer-set. Update for may_aliases being
7970         a bitmap.
7971         (mark_aliases_call_clobbered): Update for may_aliases being a
7972         bitmap.
7973         (compute_tag_properties): Ditto.
7974         (create_partition_for): Ditto.
7975         (compute_memory_partitions): Ditto.
7976         (dump_may_aliases_for): Ditto.
7977         (is_aliased_with): Ditto.
7978         (add_may_alias_for_new_tag): Ditto.
7979         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7980         (compute_is_aliased): New function.
7981         (compute_may_aliases): Call compute_is_aliased).
7982         (init_alias_info): Initialize alias_bitmap_obstack.
7983         (union_alias_set_into): New function.
7984         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7985         (have_common_aliases_p): Rewrite to take two bitmaps and use
7986         intersection.
7987         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7988         Update for bitmaps.
7989         (finalize_ref_all_pointers): Update for add_may_alias changes.
7990         (new_type_alias): Ditto.
7991         * tree-flow-inline.h (may_aliases): Return a bitmap.
7992         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7993         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7994         may_aliases being a bitmap.
7995         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7996         may_aliases now returns a bitmap.
7997         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7998         being a bitmap.
7999         * tree-ssa-operands.c (add_virtual_operand): Update for
8000         may_aliases being a bitmap.
8001
8002 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8003
8004         PR tree-optimization/30630
8005         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8006         variable as changed.
8007
8008 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8009
8010         PR c++/28266
8011         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8012         expanded only once even if an error occurs.
8013
8014 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8015
8016         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8017         (__gcov_average_profiler): Likewise.
8018         (__gcov_ior_profiler): Likewise.
8019         (__gcov_merge_ior): Likewise.
8020
8021 2007-01-28  Jan Hubicka  <jh@suse.cz>
8022
8023         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8024         * value-prof.c (stringop_block_profile): Likewise.
8025
8026 2007-01-28  Jan Hubicka  <jh@suse.cz>
8027
8028         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8029         variant handling histograms; add wrapper.
8030         (clear_storage_via_libcall): Export.
8031         (emit_block_move_hints): Break out from ...; add histograms.
8032         (emit_block_move): ... this one.
8033         (clear_storage_hints): Break out from ...; add histograms.
8034         (clear_storage): ... this one.
8035         (set_storage_via_memset): Handle histogram.
8036         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8037         (clear_storage_hints, clear_storage_via_libcall): Declare.
8038         (set_storage_via_setmem): Update prototype.
8039         * doc/md.texi (movmem, setmem): Document new arguments.
8040
8041         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8042         new histograms.
8043         (stringop_block_profile): New global function.
8044         (tree_stringops_values_to_profile): Profile block size and alignment.
8045         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8046         HIST_TYPE_IOR.
8047         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8048         (stringop_block_profile): Declare.
8049         * builtins.c: Include value-prof.h.
8050         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8051         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8052         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8053         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8054         * profile.c (instrument_values): Add new counters.
8055         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8056         calls.
8057         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8058         (tree_init_edge_profiler): Build new profilers.
8059         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8060         (pass_tree_profile): Add dump.
8061         (tree_profile_hooks): Update.
8062         * Makefile.in (LIBGCOV): Add new constants.
8063         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8064         __gcov_ior_profiler): New.
8065         * i386.md (movmem/setmem expanders): Add new optional arguments.
8066
8067 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8068
8069         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8070
8071 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8072
8073         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8074         (tree_unswitch_single_loop): Pass eni_size_weights to
8075         tree_num_loop_insns.
8076         * tree-ssa-loop-manip.c: Include tree-inline.h.
8077         (can_unroll_loop_p): Pass eni_size_weights to
8078         tree_num_loop_insns.
8079         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8080         Pass eni_size_weights to estimate_num_insns.
8081         * tree.h (init_inline_once): Export.
8082         * toplev.c (backend_init): Call init_inline_once.
8083         * cgraphunit.c (cgraph_process_new_functions,
8084         cgraph_analyze_function): Pass eni_inlining_weights to
8085         estimate_num_insns.
8086         * ipa-inline.c (compute_inline_parameters): Ditto.
8087         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8088         to estimate_num_insns.
8089         (try_unroll_loop_completely): Pass eni_size_weights to
8090         tree_num_loop_insns.
8091         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8092         ot estimate_num_insns.
8093         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8094         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8095         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8096         eni_time_weights): New variables.
8097         (init_inline_once): Initialize them.
8098         (struct eni_data): Mew.
8099         (estimate_num_insns_1, estimate_num_insns): Use weights.
8100         * tree-inline.h (struct eni_weights_d): New.
8101         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8102         (estimate_num_insns): Declaration changed.
8103         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8104         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8105         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8106
8107 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8108
8109         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8110         relations in the conflict function is valid.
8111
8112 2007-01-27  Ian Lance Taylor  <iant@google.com>
8113
8114         * common.opt: Add fstrict-overflow.
8115         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8116         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8117         (TYPE_OVERFLOW_UNDEFINED): Define.
8118         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8119         Replace all uses.
8120         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8121         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8122         (fold_negate_expr): Likewise.
8123         (make_range): Likewise.
8124         (extract_muldiv_1): Likewise.
8125         (maybe_canonicalize_comparison): Likewise.
8126         (fold_comparison): Likewise.
8127         (fold_binary): Likewise.
8128         (tree_expr_nonnegative_p): Likewise.
8129         (tree_expr_nonzero_p): Likewise.
8130         * tree-vrp.c (compare_values): Likewise.
8131         (extract_range_from_binary_expr): Likewise.
8132         (extract_range_from_unary_expr): Likewise.
8133         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8134         Likewise.
8135         (nowrap_type_p): Likewise.
8136         * tree-scalar-evolution.c (simple_iv): Likewise.
8137         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8138         (build_range_check): Likewise.
8139         (extract_muldiv_1): Likewise.
8140         (fold_comparison): Likewise.
8141         * tree-vrp.c (vrp_int_const_binop): Likewise.
8142         (extract_range_from_unary_expr): Likewise.
8143         * convert.c (convert_to_integer): Likewise.
8144         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8145         (fold_comparison): Likewise.
8146         (fold_binary): Likewise.
8147         * optabs.c (optab_for_tree_code): Likewise.
8148         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8149         * simplify-rtx.c (simplify_const_relational_operation): Check
8150         flag_strict_overflow and flag_trapv.
8151         (simplify_const_relational_operation): Likewise.
8152         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8153         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8154         -fstrict-overflow.
8155
8156 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8157
8158         * tree.c (tree_fold_gcd): Delete.
8159         * tree.h (tree_fold_gcd): Remove prototype.
8160         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8161         test whether one constant integer is a multiple of another.  Instead
8162         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8163         * fold-const.c (multiple_of_p):  We've determined both TOP and
8164         BOTTOM are integer constants so we can call int_const_binop directly
8165         instead of the more generic const_binop.
8166
8167 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8168
8169         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8170         1*X check that the constant hasn't overflowed, to preserve the
8171         TREE_OVERFLOW bit.
8172         (round_up): Provide an efficient implementation when rouding-up an
8173         INTEGER_CST to a power-of-two.
8174
8175 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8176
8177         * doc/sourcebuild.texi: Add comma for clarity.
8178         * doc/extend.texi: Fix some typos.
8179         * doc/passes.texi: Likewise.
8180         * doc/cppinternals.texi: Likewise.
8181         * doc/c-tree.texi: Likewise.
8182         * doc/tree-ssa.texi: Likewise.
8183         * doc/install.texi: Likewise.
8184
8185 2007-01-27  Jan Hubicka  <jh@suse.cz>
8186
8187         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8188         (pass_sra): Do not require alias information.
8189         * passes.c (init_optimization_passes): Add SRA
8190
8191 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8192
8193         * tracer.c (rest_of_handle_tracer): We already cleaned
8194         up the CFG in tracer() so don't do it here again.
8195         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8196         cleanup_cfg here, either.  And don't call renumber_insns.
8197
8198         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8199         and BB_HEAD are in the insn stream here.  Instead make sure
8200         that BB_INSN is valid on all insns.  Also, do check here that
8201         there are no pending branch predictions...
8202         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8203         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8204         here.
8205
8206 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8207
8208         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8209         function to simplify/factorize operand order canonicalization.
8210         (ix86_fixup_binary_operands): Reorganize using the above function.
8211         (ix86_binary_operator_ok): Likewise.
8212
8213 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8214
8215         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8216         file scope from optimize_attrs.
8217         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8218         up search.
8219         (optimize_attrs): Clear insn_code_values after freeing it.
8220
8221 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8222
8223         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8224         a parts.base assignment.
8225
8226 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8227
8228         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8229         (compute_subscript_distance, initialize_data_dependence_relation,
8230         finalize_ddr_dependent, analyze_ziv_subscript,
8231         analyze_siv_subscript_cst_affine,
8232         compute_overlap_steps_for_affine_univar,
8233         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8234         analyze_siv_subscript, analyze_miv_subscript,
8235         analyze_overlapping_iterations, subscript_dependence_tester_1,
8236         compute_self_dependence, free_dependence_relation): Work
8237         with affine_fn instead of chrecs.
8238         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8239         common_affine_function, affine_function_base,
8240         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8241         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8242         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8243         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8244         (all_chrecs_equal_p): Removed.
8245         * tree-data-ref.h (affine_fn, conflict_function): New types.
8246         (struct subscript): Change type of conflicting_iterations_in_a
8247         and conflicting_iterations_in_b.
8248
8249 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8250
8251         PR other/30182
8252         * config/pa/pa.h (TARGET_HPUX_11): New.
8253         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8254         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8255
8256 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8257         Richard Guenther  <rguenther@suse.de>
8258
8259         * tree-ssa-structalias.c (solve_graph): Handle case
8260         we merged the variable to another.
8261
8262 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8263
8264         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8265         functions.
8266
8267         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8268         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8269
8270 2007-01-25  DJ Delorie  <dj@redhat.com>
8271
8272         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8273         allow changes to modes which don't fit in those registers.
8274
8275         * reload1.c (choose_reload_regs): Check for invalid subregs before
8276         computing their locations, not after.
8277
8278 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8279
8280         PR 25127
8281         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8282         save Altivec registers in an eh_return function.
8283         (compute_vrsave_mask): Likewise.
8284         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8285         for saving Altivec registers.
8286         (rs6000_emit_prologue): Don't allocate stack twice in
8287         eh_return function.  Correct expected value of altivec_save_offset
8288         when using save_world.  Describe save of R0 to stack when using
8289         save_world.  Describe stack pointer adjustment when using
8290         save_world.  Remove duplicated eh_return parameter register saving.
8291         Update sp_offset variable after save_world.
8292         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8293         darwin-world.asm.
8294         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8295         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8296         implies Altivec.
8297
8298 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8299
8300         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8301
8302 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8303
8304         PR other/30182
8305         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8306         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8307
8308 2007-01-25  Richard Guenther  <rguenther@suse.de>
8309
8310         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8311         * common.opt (-Wcoverage-mismatch): New warning option.
8312         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8313         if -Wcoverage-mismatch is given.
8314
8315 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8316
8317         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8318         (ipcp_driver): Change to static definition.
8319         Add dumping of the ifunctions.
8320         (constant_val_insert): Remove unused parameter. Support for SSA.
8321         (ipcp_propagate_const): Support for SSA.
8322         (ipcp_profile_bb_print): Print only analyzed nodes.
8323         (ipcp_replace_map_create): Remove support for Fortran constant
8324         for now.
8325         * ipa-prop.c (ipa_method_modify_stmt,
8326         ipa_callsite_compute_param): Support for SSA.
8327         * ipa-prop.h (ipcp_driver): Remove declaration.
8328         (IS_VALID_TREE_MAP_INDEX): Add define.
8329
8330 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8331
8332         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8333
8334 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8335
8336         PR middle-end/30447
8337         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8338         constant argument to cabs and do it without checking for
8339         -funsafe-math-optimizations.
8340
8341 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8342
8343         * c-common.h (RID_FIRST_CXX0X): New.
8344         (RID_LAST_CXX0X): New.
8345         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8346         by -Wall.
8347         * c.opt (Wc++0x-compat): New.
8348         * doc/invoke.texi (-Wc++0x-compat): Document.
8349
8350 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8351
8352         * builtins.c (fold_builtin_carg): New.
8353         (fold_builtin_1): Use it.
8354
8355 2007-01-24  Jan Hubicka  <jh@suse.cz>
8356
8357         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8358
8359         * ipa-inline.c (initial_insns, max_insns): Delete.
8360         (compute_max_insns): New function.
8361         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8362         of insns as base for code growth.
8363         (cgraph_decide_inlining): Make initial_insns local; do not compute
8364         max_insns.
8365         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8366         * doc/invoke.texi (inline-unit-growth): Update docs.
8367
8368 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8369
8370         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8371         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8372         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8373         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8374         for CPUs that have PTA_CX16 set.
8375
8376         PR middle-end/27416
8377         * gimplify.c (omp_check_private): New function.
8378         (gimplify_scan_omp_clauses): Use it for
8379         firstprivate/lastprivate/reduction.
8380
8381         PR middle-end/30494
8382         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8383         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8384
8385         PR middle-end/30421
8386         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8387         If lower_lastprivate_clauses emits some statements, append them
8388         to dlist rather than body_p and to body_p append an initializer.
8389         (lower_omp_for): Adjust caller.
8390
8391 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8392
8393         * target.h (globalize_decl_name): New.
8394         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8395         * output.h (default_globalize_decl_name): New.
8396         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8397         globalize_label.
8398         (globalize_decl): Ditto.
8399         (default_globalize_decl_name): New.
8400         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8401         (ia64_handle_version_id_attribute): New.
8402         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8403         (ia64_asm_output_external): Use globalize_decl_name instead
8404         of globalize_label.
8405         * doc/extend.texi (version_id): New pragma.
8406         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8407
8408 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8409
8410         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8411         _uleb128_t and _Unwind_SWord with _sleb128_t.
8412         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8413         uw_frame_state_for, uw_update_context_1): Likewise.
8414         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8415         * unwind-pe.h (read_uleb128, read_sleb128,
8416         read_encoded_value_with_base): Likewise.
8417         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8418
8419 2007-01-24  Richard Guenther  <rguenther@suse.de>
8420
8421         * builtins.c (expand_builtin_cexpi): Get the fndecl
8422         for cexp in the correct way.
8423
8424 2007-01-24  Jan Hubicka  <jh@suse.cz>
8425
8426         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8427
8428 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8429
8430         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8431         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8432         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8433         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8434         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8435         __SIZEOF_PTRDIFF_T__.
8436         * doc/cpp.texi: Documentation for the new builtin macros added.
8437
8438 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8439
8440         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8441         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8442         instead of operands[2] to avoid access past the end of array.
8443
8444 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8445
8446         * reload1.c (emit_reload_insns): Pass the reload register
8447         for a non-spill output reload through forget_old_reloads_1.
8448
8449 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8450
8451         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8452         _SOFT_DOUBLE if doubles use software floating-point.
8453         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8454         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8455         * config/rs6000/darwin-ldouble.c: Also compile functions for
8456         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8457         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8458         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8459         commented-out long double override.
8460         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8461         * config/rs6000/eabispe.h: Likewise.
8462         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8463         long double for non-SPE.
8464         (rs6000_handle_option): Likewise.
8465         (invalid_e500_subreg): Disallow more subregs involding DImode,
8466         DFmode, TImode or TFmode.
8467         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8468         E500 double.
8469         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8470         double.
8471         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8472         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8473         double.
8474         (rs6000_legitimate_address): Also check for TFmode for E500
8475         double.
8476         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8477         (spe_build_register_parallel): Handle TFmode and TCmode.
8478         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8479         double.
8480         (function_arg): Handle TFmode and TCmode for E500 double.
8481         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8482         in general.
8483         (print_operand): Handle TFmode and TImode for %y.
8484         (rs6000_generate_compare): Handle TFmode comparisons for E500
8485         double.
8486         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8487         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8488         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8489         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8490         TFmode for E500 double.
8491         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8492         (floatsidf2): Enable for E500 double.
8493         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8494         (extenddftf2): Change to extenddftf2_fprs.
8495         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8496         depending on TARGET_E500_DOUBLE.
8497         (extendsftf2): Enable for E500 double.
8498         (trunctfdf2): Enable for E500 double.
8499         (trunctfsf2): Change to trunctfsf2_fprs.
8500         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8501         depending on TARGET_E500_DOUBLE.
8502         (floatsitf2): Enable for E500 double.
8503         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8504         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8505         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8506         (negtf2): Change to negtf2_internal.
8507         (negtf2): New expander.
8508         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8509         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8510         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8511         (movdi_internal32): Use rs6000_nonimmediate_operand.
8512         (unnamed splitter): Likewise.
8513         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8514         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8515         (SPE64TF, DITI): New mode macros.
8516         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8517         modes.
8518         (frob_tf_ti): New.
8519         (frob_<mode>_di_2): New.
8520         (frob_tf_di_8_2): New.
8521         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8522         (frob_ti_tf): New.
8523         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8524         more modes.
8525         (frob_ti_<mode>_8_2): New.
8526         (frob_ti_tf_2): New.
8527         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8528         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8529         TFmode.
8530         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8531         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8532         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8533         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8534         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8535         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8536         tsttflt_gp): New.
8537
8538 2007-01-23  Ian Lance Taylor  <iant@google.com>
8539
8540         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8541         insn-*.o first.
8542         (OBJS-archive): Reformat, alphabetize.
8543         (OBJS): Change out_object_file to OBJS-md.
8544
8545 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8546
8547         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8548         JUMP_P and CALL_P predicates where applicable.
8549         * config/i386/i386.c: Ditto.
8550         * config/i386/i386.md: Ditto.
8551         * config/i386/mmx.md: Ditto.
8552         * config/i386/predicates.md: Ditto.
8553
8554 2007-01-22  Andreas Schwab  <schwab@suse.de>
8555
8556         * config/m68k/m68k.h: Fix comment.
8557
8558 2007-01-22  Jan Hubicka  <jh@suse.cz>
8559
8560         * passes.c (init_optimization_passes): Do not rerun
8561         pass_early_warn_uninitialized.
8562
8563 2007-01-22  Richard Guenther  <rguenther@suse.de>
8564
8565         PR tree-optimization/30038
8566         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8567         function.
8568         (execute_cse_sincos_1): Likewise.
8569         (execute_cse_sincos): Likewise.
8570         (gate_cse_sincos): Likewise.
8571         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8572         the cexpi() canonicalization of sincos().
8573         * tree-pass.h (pass_cse_sincos): Declare.
8574         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8575
8576 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8577
8578         PR rtl-optimization/29329
8579         * combine.c (replaced_rhs_insn): Rename to i2mod.
8580         (replaced_rhs_value): Rename to i2mod_new_rhs.
8581         (i2mod_old_rhs): New global variable.
8582         (combine_instructions): Adjust for above change.  Save a copy of
8583         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8584         note are substituted in the second instruction.
8585         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8586         ditch the note if it pertains to the second eliminated register
8587         and this register is mentioned in i2mod_old_rhs.
8588
8589         Revert:
8590         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8591
8592         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8593         the insn to which the note was originally attached.
8594
8595 2007-01-21  Jan Hubicka  <jh@suse.cz>
8596
8597         * ipa-inline.c (inlining_mode): Comment, move up.
8598         (cgraph_decide_inlining_incrementally): Do not perform inlining
8599         itself; fix handling of flattening of self recursive functions.
8600         (cgraph_find_cycles): Remove.
8601         (cgraph_flatten_node): Remove.
8602         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8603         (try_inline): New function.
8604         (cgraph_early_inlining): Update call of
8605         cgraph_decide_inlining_incrementally.  Apply inlining here.
8606         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8607
8608 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8609
8610         PR bootstrap/30511
8611         * tree-vrp.c (check_array_bounds): do not warn
8612         about ADDR_EXPR's of ARRAY_REF's which are immediately
8613         used in binary expressions.
8614
8615 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8616
8617         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8618         read_write_dep and macros for its access.
8619         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8620         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8621         argument, call vect_check_interleaving for every independent pair of
8622         data-refs. Mark loads that access the same memory location as a store
8623         in the loop.
8624         (vect_check_dependences): Remove.
8625         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8626         call, fix the call to vect_analyze_data_ref_dependence.
8627         (vect_analyze_data_ref_access): For statements that access the same
8628         data-ref, check that they are not stores; for loads, check that there
8629         is no store that access the same location.
8630
8631 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8632             Joseph Myers  <joseph@codesourcery.com>
8633
8634         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8635         (-fdump-rtl-stack): Likewise.
8636         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8637         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8638         (-mpt-fixed): Use @minus{} for minus sign.
8639         (Using Precompiled Headers): Fix under/overfull hbox.
8640
8641 2007-01-20  Jan Hubicka  <jh@suse.cz>
8642
8643         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8644         place within annotation.
8645
8646 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8647
8648         * pa.c (output_move_double): Change array size of xoperands to 4.
8649
8650 2007-01-20  Jan Hubicka  <jh@suse.cz>
8651
8652         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8653         as temporary.
8654
8655 2007-01-19  Ian Lance Taylor  <iant@google.com>
8656
8657         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8658         constant to unsigned HOST_WIDE_INT before negating.
8659
8660 2007-01-19  Ian Lance Taylor  <iant@google.com>
8661
8662         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8663         to unsigned.
8664         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8665         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8666         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8667         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8668         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8669         (realloc_vdef, realloc_vuse): Change second parameter to
8670         unsigned.
8671         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8672         fields to unsigned.
8673         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8674         unsigned. Change x and lim locals to unsigned.
8675         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8676         unsigned.
8677         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8678         (copy_virtual_operands): Change i and n locals to unsigned.
8679
8680 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8681
8682         PR middle-end/29335
8683         * builtins.c (fold_builtin_1): Handle builtin fdim.
8684
8685 2007-01-20  Jan Hubicka  <jh@suse.cz>
8686
8687         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8688         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8689         init_alias_heapvars.
8690         (init_alias_heapvars): Initialize only when not already initialized.
8691         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8692
8693 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8694
8695         * common.opt (fsigned-zeros): New command line option.
8696         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8697         of flag_unsafe_math_optimizations.
8698         * opts.c (set_fast_math_flags): The -ffast-math command line option
8699         implies -fno-signed-zeros.
8700         (fast_math_flags_set_p): Likewise.
8701
8702         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8703         the documentation of -ffast-math appropriately.  Wrap long lines.
8704
8705 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8706
8707         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8708         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8709
8710 2007-01-19  Tomas Bily  <tbily@suse.cz>
8711
8712         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8713         * tree-profile.c:
8714         (tree_init_ic_make_global_vars): New function
8715         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8716         (tree_gen_ic_profiler): New function
8717         (tree_gen_ic_func_profiler): New function
8718         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8719         (tree_profile_hooks): Added hook for indirec/virtual calls
8720         * value-prof.c (tree_find_values_to_profile): New case for
8721         indirect calls
8722         (tree_values_to_profile): Call for determining indirect/virtual
8723         counters
8724         (tree_indirect_call_to_profile): New function
8725         (tree_ic_transform): New function
8726         (tree_ic): New function
8727         (find_func_by_pid): New function
8728         (init_pid_map): New function
8729         (tree_value_profile_transformations): Added check for
8730         indirect/virtual call transformation
8731         * value-prof.h (enum hist_type): New counter type for
8732         indirect/virtual calls
8733         (profile_hooks): Added new hook for profiling indirect/virtual
8734         calls
8735         * profile.c (instrument_values): New case for indirect/virtual
8736         call added
8737         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8738         (GCOV_COUNTER_V_INDIR): New counter type
8739         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8740         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8741         call added
8742         * cgraph.c: Definition of cgraph_max_pid
8743         (cgraph_create_node): Default init of pid attribute
8744         * cgraph.h: Declaration of cgraph_max_pid
8745         (struct cgraph_node): Added pid attribute
8746         * libgcov.c (__gcov_indirect_call_profiler): New function
8747         (__gcov_one_value_profiler_body): New function
8748         (__gcov_one_value_profiler): Body was moved to
8749         __gcov_one_value_profiler_body and calls it
8750
8751 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8752
8753         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8754         * gengtype.c (write_types_data, write_func_for_structure,
8755         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8756         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8757         (walk_type, write_func_for_structure): Generate the mark_hook if
8758         needed.
8759
8760 2007-01-19  Jan Hubicka  <jh@suse.cz>
8761
8762         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8763         'early' argument take inlining mode argument specifying whether to
8764         inline for size/speeed or all functions; add support for flattening;
8765         improve dumpting.
8766         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8767
8768 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8769
8770         PR c++/17947
8771         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8772         the name of the declared identifier.
8773
8774 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8775
8776         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8777         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8778         duplicate evaluation.
8779
8780 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8781
8782         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8783         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8784         to XFMode, use acosxf2 and truncate result to requested mode.
8785         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8786         (asin<mode>2): Similarly, with asin expanders.
8787         (*fscalexf4_i387): Rename from *fscalexf4.
8788         (expNcorexf3): New expander.
8789         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8790         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8791         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8792         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8793         patterns for SSE math.
8794         (exp10<mode>2): Similarly, with exp10 expanders.
8795         (exp2<mode>2): Similarly, with exp2 expanders.
8796         (expm1<mode>2): Similarly, with expm1 expanders.
8797         (ldexp<mode>3): Similarly, with ldexp expanders.
8798         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8799         Use gen_truncxf<mode>2_i387_noop to truncate result.
8800
8801 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8802
8803         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8804         for ColdFire targets.
8805
8806 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8807             Richard Sandiford  <richard@codesourcery.com>
8808
8809         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8810         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8811         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8812         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8813         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8814         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8815
8816 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8817
8818         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8819         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8820         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8821         (*adddi_dilshr32_cf): New pattern.
8822         (adddi3, subdi3): Remove first alternatives.
8823
8824 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8825
8826         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8827         implemented using move.l, do not use its cc result for floating-point
8828         comparisons.
8829
8830 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8831
8832         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8833         from accepting 's' constraints if flag_pic.
8834
8835 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8836
8837         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8838         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8839         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8840         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8841
8842 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8843
8844         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8845         ColdFire alternatives.
8846         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8847         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8848         architectures that support ff1 instruction.
8849
8850 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8851             Julian Brown  <julian@codesourcery.com>
8852
8853         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8854         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8855         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8856         Add commentary.
8857
8858 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8859
8860         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8861         and return a bool.
8862         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8863         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8864         HOST_WIDE_INT instead of an rtx.
8865         (m68k_rtx_costs): Update call accordingly.
8866         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8867         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8868         Return a bool.
8869         (output_move_simode_const): Update calls after above changes.
8870         Rework to use automatic variables and predicates like MEM_P.
8871         * config/m68k/m68k.md (pushexthisi_const): Update call to
8872         valid_mov3q_const.
8873
8874 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8875
8876         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8877         in dump_flags test.
8878
8879 2007-01-19  Richard Guenther  <rguenther@suse.de>
8880
8881         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8882         via cexp in case sincos is not available.
8883
8884 2007-01-19  Richard Guenther  <rguenther@suse.de>
8885
8886         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8887         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8888         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8889         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8890         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8891         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8892         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8893         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8894
8895 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8896
8897         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8898         New insn patterns.
8899         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8900         (atan2xf3): Directly generate RTL pattern.
8901         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8902         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8903         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8904         disable patterns for SSE math.
8905         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8906         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8907         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8908         disable patterns for SSE math.
8909
8910 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8911
8912         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8913
8914 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8915
8916         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8917         VIEW_CONVERT_EXPR to the same type as it's operand.
8918
8919 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8920
8921         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8922         configured for long double 128.
8923
8924 2007-01-18  Mike Stump  <mrs@apple.com>
8925
8926         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8927         error.
8928
8929 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8930
8931         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8932         type correct.
8933
8934 2007-01-18  Jan Hubicka  <jh@suse.cz>
8935
8936         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8937         greater than NUM_VOP_FREE_BUCKETS.
8938
8939 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8940
8941         * tree-ssa-structalias.c: Update comments.
8942         (ptabitmap_obstack): Removed.
8943         (pta_obstack): New.
8944         (oldpta_obstack): Ditto.
8945         (stats): Add a few members.
8946         (struct variable_info): Remove node, complex, address_taken, and
8947         indirect_target members. Add oldsolution member.
8948         (new_var_info): Do not initialize removed members.
8949         (constraint_expr_type): Remove INCLUDES.
8950         (constraint_graph): Add size, implicit_preds, rep,
8951         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8952         (FIRST_REF_NODE): New macro.
8953         (LAST_REF_NODE): Ditto.
8954         (FIRST_ADDR_NODE): Ditto.
8955         (find): New function.
8956         (unite): Ditto.
8957         (dump_constraint): Do not handle INCLUDES.
8958         (insert_into_complex): Do not insert duplicate constraints.
8959         (condense_varmap_nodes): Renamed and rewritten into ...
8960         (merge_node_constraints): This. Also fix bug in handling of
8961         offseted copy constraints.
8962         (clear_edges_for_node): No longer need to deal with preds at all,
8963         or removing associated preds/succs.
8964         (merge_graph_nodes): Deal with indirect_cycles.
8965         Don't deal with predecessors.
8966         (add_implicit_graph_edge): New function.
8967         (add_pred_graph_edge): Ditto.
8968         (add_graph_edge): Don't deal with predecessors.
8969         (build_constraint_graph): Removed.
8970         (build_pred_graph): New function.
8971         (build_succ_graph): Ditto.
8972         (struct scc_info): Removed in_component. Added roots, dfs, and
8973         node_mapping. Remove visited_index, unification_queue.
8974         (scc_visit): Deal with union-find we do now.
8975         Deal with cycles with REF nodes.
8976         (collapse_nodes): Renamed and rewritten to ...
8977         (unify_nodes): This.
8978         (process_unification_queue): Removed.
8979         (topo_visit): Cleanup
8980         (do_da_constraint): Use find.
8981         (do_sd_constraint): Ditto.
8982         (do_ds_constraint): Ditto.
8983         (do_complex_constraint): Ditto.
8984         (init_scc_info): Update for removed and added members.
8985         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8986         (find_indirect_cycles): This.
8987         (equivalence_class): New variable.
8988         (label_visit): New function.
8989         (perform_variable_substitution): Rewritten.
8990         (free_var_substitution_info): New function.
8991         (find_equivalent_node): Ditto.
8992         (move_complex_constraints): Ditto.
8993         (eliminate_indirect_cycles): Ditto.
8994         (solve_graph): Only propagate changed bits.
8995         Use indirect cycle elimination.
8996         Use find.
8997         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8998         (tree_id_eq): Renamed to ...
8999         (tree_vi_eq): This. Update for member change
9000         (insert_id_for_tree): Renamed and rewritten to ...
9001         (insert_vi_for_tree): This.
9002         (lookup_id_for_tree): Renamed and rewritten to ...
9003         (lookup_vi_for_tree): This.
9004         (get_id_for_tree): Renamed and rewritten to ...
9005         (get_vi_for_tree): Ditto.
9006         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9007         (process_constraint): Don't handle INCLUDES.
9008         Remove special ADDRESSOF case.
9009         (find_func_aliases): Rewrite to use vi functions instead of id
9010         ones.
9011         (create_function_info_for): Ditto.
9012         (create_variable_info_for): Ditto.
9013         (intra_create_variable_infos): Ditto.
9014         (merge_smts_into): Ditto.
9015         (find_what_p_points_to): Ditto.
9016         (init_base_vars): Ditto.
9017         (init_alias_vars): Ditto.
9018         (remove_preds_and_fake_succs): New function.
9019         (dump_sa_points_to_info): Dump new stats.
9020         (dump_solution_for_var): Use find.
9021         (set_used_smts): Fix formatting.
9022         (compute_points_to_sets): Updated for new functions.
9023         (ipa_pta_execute): Ditto.
9024
9025 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9026             Richard Sandiford  <richard@codesourcery.com>
9027
9028         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9029         parallels.
9030         * calls.c (expand_call): If the return value is a PARALLEL,
9031         extract its first member.
9032         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9033         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9034         use FUNCTION_EXTRA_EPILOGUE.
9035         (m68k_function_value): Return a PARALLEL if the return value
9036         is of a pointer type.
9037         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9038         (FUNCTION_EXTRA_EPILOGUE): Remove.
9039         * config/m68k/m68k.md (D0_REG): New constant.
9040
9041 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9042
9043         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9044         output a NOP for empty epilogues.
9045
9046 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9047
9048         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9049         before function.  Extend register save check to include all
9050         registers, not just integer ones.
9051
9052 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9053
9054         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9055         (m68k_use_return_insn): ...this.
9056         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9057         * config/m68k/m68k.c (use_return_insn): Rename to...
9058         (m68k_use_return_insn): ...this.
9059         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9060         of USE_RETURN_INSN.
9061
9062 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9063
9064         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9065         nearest even, fix denormal rounding overflow.
9066
9067 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9068
9069         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9070         f%$smove and f%$move.
9071         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9072         (extendsfdf2_cf): Use fdmove instead of f%&move.
9073         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9074         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9075
9076 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9077
9078         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9079         GPR<-GPR moves.
9080
9081 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9082
9083         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9084         (coldfire_single_format): Declare.
9085         (coldfire_double_format): Likewise.
9086         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9087         of qnan_msb_set to determine the lower bits of a canonical
9088         NaN significand.
9089         (encode_ieee_double): Likewise.
9090         (encode_ieee_quad): Likewise.
9091         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9092         (mips_single_format): Likewise.
9093         (ieee_double_format): Likewise.
9094         (mips_double_format): Likewise.
9095         (ieee_extended_motorola_format): Likewise.
9096         (ieee_extended_intel_96_format): Likewise.
9097         (ieee_extended_intel_128_format): Likewise.
9098         (ieee_extended_intel_96_round_53_format): Likewise.
9099         (ibm_extended_format): Likewise.
9100         (mips_extended_format): Likewise.
9101         (ieee_quad_format): Likewise.
9102         (mips_quad_format): Likewise.
9103         (vax_f_format): Likewise.
9104         (vax_d_format): Likewise.
9105         (vax_g_format): Likewise.
9106         (i370_single_format): Likewise.
9107         (i370_double_format): Likewise.
9108         (decimal_single_format): Likewise.
9109         (decimal_double_format): Likewise.
9110         (decimal_quad_format): Likewise.
9111         (c4x_single_format): Likewise.
9112         (c4x_extended_format): Likewise.
9113         (real_internal_format): Likewise.
9114         (coldfire_single_format): New real_format.
9115         (coldfire_double_format): Likewise.
9116         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9117         canonical_nan_lsbs_set.
9118         (pdp11_d_format): Likewise.
9119         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9120         if TARGET_COLDFIRE_CPU.
9121
9122 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9123
9124         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9125         (output_call, m68k_legitimize_call_address): Declare.
9126         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9127         parenthesees.  Add support for a 'W' constraint.
9128         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9129         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9130         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9131         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9132         variables.
9133         (override_options): Initialize them.  Do not set flag_no_function_cse
9134         for TARGET_ID_SHARED_LIBRARY.
9135         (m68k_output_pic_call): Delete.
9136         (m68k_legitimize_call_address): New function.
9137         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9138         (output_call): New function.
9139         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9140         target address from the GOT if symbolic jumps are not allowed.
9141         * config/m68k/m68k.md (call, general_operand): Do not set
9142         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9143         Merge separate flag_pic and !flag_pic define_insns into...
9144         (*call, *call_value): ...these new patterns.  Match the address
9145         rather than the containing MEM and require it to be a call_operand.
9146         Use output_call to generate the asm template.
9147         * config/m68k/predicates.md (const_call_operand): New predicate.
9148         (call_operand): Likewise.
9149
9150 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9151
9152         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9153         (STACK_GROWS_DOWNWARD): Define to 1.
9154         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9155         comments, emphasizing that these values are only defaults.
9156         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9157         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9158
9159 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9160
9161         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9162
9163 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9164             Richard Sandiford  <richard@codesourcery.com>
9165
9166         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9167         (FP_REGNO_P): New macros.
9168         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9169         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9170         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9171         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9172
9173 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9174
9175         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9176         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9177         to $tmake_file.
9178         * config/m68k/t-floatlib: New file, extracting common code from...
9179         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9180         * config/m68k/t-uclinux: Here.
9181         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9182         routines on ColdFire targets.
9183
9184 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9185
9186         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9187         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9188         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9189         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9190         explicitly set MOTOROLA to 1.
9191         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9192
9193 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9194             Nathan Sidwell  <nathan@codesourcery.com>
9195
9196         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9197         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9198         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9199         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9200         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9201         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9202         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9203         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9204         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9205         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9206         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9207         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9208         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9209         (DBX_REGISTER_NUMBER): Delete.
9210         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9211         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9212         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9213
9214 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9215
9216         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9217         * config/flat.h: New file.
9218         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9219         OBJECT_FORMAT_FLAT.
9220         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9221         indirect references for -msep-data or -mid-shared-library.
9222         Do not use PC-relative code addresses either.
9223         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9224         to -mpcrel.
9225         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9226         for shared libraries and crt1.o for executables.  Use crti.o and
9227         crtbegin.o.
9228         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9229         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9230         Do not add -elf2flt or -shared-lib-id options here.
9231         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9232         Pass -shared-lib-id if -mid-shared-library, taking the library
9233         identifier from -mshared-library-id if given, otherwise
9234         defaulting to 0.
9235         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9236         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9237         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9238         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9239         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9240         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9241         and crtend.o.
9242         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9243         jump sequence for ISA A and ISA A+.
9244         (PICJUMP): Likewise.
9245
9246 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9247
9248         * config.gcc (m68k-*-uclinux*): Base the port on the common
9249         and m68k GNU/Linux files rather than on the generic ELF ones.
9250         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9251         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9252
9253 2007-01-18  Julian Brown  <julian@codesourcery.com>
9254             Richard Sandiford  <richard@codesourcery.com>
9255
9256         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9257         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9258         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9259         before redefining.
9260         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9261         80 unconditionally.
9262         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9263
9264 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9265
9266         * doc/install.texi: Document m68k-uclinuxoldabi.
9267         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9268         * config/m68k/uclinux-oldabi.h: New file, copied from
9269         config/m68k/uclinux.h.
9270
9271 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9272
9273         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9274         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9275         (m32r_compute_frame_size): Use unsigned for regno.
9276         (m32r_reload_lr): Use gen_frame_mem.
9277         (pop): New.
9278         (m32r_output_function_epilogue): Don't output the function epilogue
9279         textually here.
9280         (m32r_expand_epilogue): New.
9281         (direct_return): Return false if the function has the interrupt
9282         attribute.
9283         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9284         * config/m32r/m32r.md (epilogue): New expander.
9285         (return_lr, return_rte): New insns.
9286         (return): Make it expander.
9287         (return_normal): New expander.
9288
9289 2007-01-18  Josh Conner  <jconner@apple.com>
9290
9291         PR target/30485
9292         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9293         support for UNLE, UNLT, UNGE, and UNGT.
9294
9295 2007-01-18  Jan Hubicka  <jh@suse.cz>
9296
9297         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9298         * tree-tailcall (add_virtual_phis): Likewise.
9299         (optimize_tail_call): Return TODOs.
9300         (execute_tail_calls): Return TODOs.
9301         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9302         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9303         changed.
9304         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9305         Cleanup cfg using TODO.
9306         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9307         * passes.c (execute_function_todo): When cleanup did something, remove
9308         unused locals.
9309         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9310         (make_edges): Don't cleanup_cfg.
9311
9312 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9313
9314         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9315         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9316         operate on the top of stack.
9317         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9318         register handling of instructions that output to the second
9319         stack slot.
9320         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9321         (move_for_stack_reg): Special-case check for dead destination
9322         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9323
9324         * config/i386/i386.md (UNSPEC_TAN): New constant.
9325         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9326         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9327         to correctly model move of constant 1.0 to top stack slot.
9328         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9329         (unnamed peephole2 pattern): Remove corresponding peephole2
9330         pattern that optimizes tan insn and loading of constant 1.0.
9331         (tanxf2): Use fptanxf4_i387.
9332         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9333         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9334         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9335         disable patterns for SSE math.
9336         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9337         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9338
9339 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9340             Richard Guenther <rguenther@suse.de>
9341
9342         PR diagnostic/8268
9343         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9344         * common.opt (Warray-bounds): Add new warning option.
9345         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9346         if -Wall is given.
9347         * Makefile.in: make tree-vrp.o depend on toplev.h
9348         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9349         is enabled.
9350         (check_array_refs, check_array_bounds, check_array_ref): New.
9351
9352 2007-01-18  Jan Hubicka  <jh@suse.cz>
9353
9354         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9355         (execute_ssa_ccp): Return flags conditionally.
9356         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9357         changed.
9358         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9359
9360 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9361
9362         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9363         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9364
9365         * Makefile.c (GTFILES): Add cfglayout.h.
9366         * gengtype.c (open_base_files): Likewise.
9367         * cfglayout.c (cfg_layout_function_footer,
9368         cfg_layout_function_header) Reindent to make gengtype happy.
9369         * cfglayout.h (cfg_layout_function_footer,
9370         cfg_layout_function_header): Add GTY(()) marker.
9371
9372         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9373
9374 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9375
9376         * genautomata.c (write_automata): Include xstrerror output in the
9377         error message if writing the DFA description file fails.
9378
9379 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9380
9381         * config/mips/mips-protos.h (mips_output_external): Make it
9382         return void.
9383         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9384         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9385         (extern_list): Likewise.
9386         (extern_head): Likewise.
9387         (TARGET_ASM_FILE_END): Likewise.
9388         (mips_file_end): Likewise.
9389         (mips_output_external): Rewritten.
9390
9391 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9392
9393         * genpreds.c (write_insn_preds_c): Only write out the function
9394         body for regclass_for_constraint if we have register constraints.
9395
9396 2007-01-17  Tom Tromey  <tromey@redhat.com>
9397
9398         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9399         * doc/install.texi (Testing): Use sourceware.org.
9400         (Binaries): Likewise.
9401         (Specific): Likewise.
9402         * doc/contrib.texi (Contributors): Use sourceware.org.
9403
9404 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9405
9406         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9407         (AVR_ENHANCED): Rename to ...
9408         (AVR_HAVE_MUL): ... new.
9409         (avr_enhanced_p): Rename to ...
9410         (avr_have_mul_p): ... new.
9411         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9412         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9413         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9414         (avr_have_mul_p): ... new.
9415         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9416         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9417         'avr_enhanced_p' and 'enhanced'.
9418         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9419         AVR_HAVE_MUL instead of AVR_ENHANCED.
9420         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9421         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9422         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9423         instead of AVR_ENHANCED.
9424         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9425         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9426         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9427
9428 2007-01-17  Ian Lance Taylor  <iant@google.com>
9429
9430         * vec.h (VEC_reserve_exact): Define.
9431         (vec_gc_p_reserve_exact): Declare.
9432         (vec_gc_o_reserve_exact): Declare.
9433         (vec_heap_p_reserve_exact): Declare.
9434         (vec_heap_o_reserve_exact): Declare.
9435         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9436         versions.
9437         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9438         negative parameter.
9439         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9440         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9441         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9442         * vec.c (calculate_allocation): Add exact parameter.  Change all
9443         callers.
9444         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9445         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9446         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9447         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9448         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9449         (vec_heap_p_reserve_exact): New function.
9450         (vec_heap_o_reserve_exact): New function.
9451
9452 2007-01-17  Jan Hubicka  <jh@suse.cz>
9453
9454         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9455
9456 2007-01-17  Eric Christopher  <echristo@apple.com>
9457
9458         * config.gcc: Support core2 processor.
9459
9460 2007-01-16  Jan Hubicka  <jh@suse.cz>
9461
9462         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9463         the names, just unlink the chain so we don't crash on dangling pointers
9464         to dead SSA names.
9465
9466 2007-01-16  Jan Hubicka  <jh@suse.cz>
9467
9468         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9469         * tree-pass.h: Reorder to make IPA passes appear toegher.
9470         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9471         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9472         parameters, do not call early inliner.
9473         * ipa-inline.c: Update comments.  Include tree-flow.h
9474         (cgraph_decide_inlining): Do not compute inlining parameters.
9475         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9476         be called with function context set up.
9477         (pass_ipa_inline): Remove unreachable functions before pass.
9478         (cgraph_early_inlining): Simplify assuming to be called from the
9479         PM as local pass.
9480         (pass_early_inline): New pass.
9481         (cgraph_gate_ipa_early_inlining): New gate.
9482         (pass_ipa_early_inline): Turn into simple wrapper.
9483         (compute_inline_parameters): New function.
9484         (gate_inline_passes): New gate.
9485         (pass_inline_parameters): New pass.
9486         (apply_inline): Move here from tree-optimize.c
9487         (pass_apply_inline): New pass.
9488         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9489         transforming.
9490         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9491         doing them by hand.
9492         (tree_function_versioning): Do not allocate dummy struct function.
9493         * tree-inline.h (optimize_inline_calls): Update prototype.
9494         * tree-optimize.c (execute_fixup_cfg): Export.
9495         (pass_fixup_cfg): Remove
9496         (tree_rest_of_compilation): Do not apply inlines.
9497         * tree-flow.h (execute_fixup_cfg): Declare.
9498         * Makefile.in (gt-passes.c): New.
9499         * passes.c: Include gt-passes.h
9500         (init_optimization_passes): New passes.
9501         (nnodes, order): New static vars.
9502         (do_per_function_toporder): New function.
9503         (execute_one_pass): Dump current pass here.
9504         (execute_ipa_pass_list): Don't dump current pass here.
9505
9506 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9507
9508         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9509         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9510
9511 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9512
9513         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9514         (strong_alias): Define.
9515         (__gcc_qmul): Provide non-FMA for soft-float.
9516         (__gcc_qdiv): Same.
9517         (__gcc_qneg): New.
9518         (__gcc_qeq): New.
9519         (__gcc_qle): New.
9520         (__gcc_qge): New.
9521         (__gcc_qunord): New.
9522         (__gcc_stoq): New.
9523         (__gcc_dtoq): New.
9524         (__gcc_qtos): New.
9525         (__gcc_qtod): New.
9526         (__gcc_qtoi): New.
9527         (__gcc_qtou): New.
9528         (__gcc_itoq): New.
9529         (__gcc_utoq): New.
9530         (fmsub): New.
9531         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9532         soft-float functions.
9533         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9534         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9535         about long double soft float.
9536
9537 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9538             Tehila Meyzels  <tehila@il.ibm.com>
9539
9540         * tree-vectorizer.h (is_pattern_stmt_p): New.
9541         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9542         formatting (tabs instead of spaces). Cleanup and clarify setting
9543         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9544         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9545         (vectorizable_type_demotion): Check that types are integral.
9546         (vectorizable_type_promotion): Likewise.
9547         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9548         comments.
9549
9550 2007-01-16  Jan Hubicka  <jh@suse.cz>
9551
9552         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9553         cgraph edges too.
9554
9555 2007-01-15  Eric Christopher  <echristo@apple.com>
9556
9557         * ifcvt.c: Include vec.h, vecprim.h.
9558         (check_cond_move_block): New argument regs.
9559         Reorganize. Add registers used to regs.
9560         (cond_move_process_if_block): Use regs set above as
9561         loop bounds.
9562
9563 2007-01-15  Eric Christopher  <echristo@apple.com>
9564
9565         * config/darwin.h: Update copyright.
9566         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9567         (LINK_COMMAND_SPEC): Add -u.
9568         (LINK_SPEC): Fix umbrella for above.
9569
9570 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9571
9572         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9573         glibc CVS.
9574
9575 2007-01-15  Tom Tromey  <tromey@redhat.com>
9576
9577         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9578         * doc/install.texi (Testing): Don't mention jacks.
9579         (Configuration): Document --enable-java-maintainer-mode.  Move
9580         --with-java-home to libgcj-specific section.  Document
9581         --with-ecj-jar.
9582         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9583
9584 2007-01-15  Jan Hubicka  <jh@suse.cz>
9585
9586         * tree-ssa-dce.c (DCE_TODOs): New.
9587         (propagate_necessity): Return if something changed.
9588         (eliminate_unnecessary_stmts): Likewise.
9589         (perform_tree_ssa_dce): Return TODO flags when needed.
9590         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9591
9592 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9593
9594         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9595         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9596         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9597         patterns using X87MODEF12 mode macro.  Extend operand 1
9598         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9599         (log10<mode>2): Ditto.
9600         (log2<mode>2): Ditto.
9601         (log1p<mode>2): Ditto.
9602         (logb<mode>2): Ditto.
9603         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9604         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9605         (*fxtractxf3_i387): Rename from *fxtractxf3.
9606         (fxtract_extend<mode>xf3_i387): New insn pattern.
9607         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9608         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9609         and gen_fyl2xxf3_i387().
9610
9611 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9612
9613         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9614         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9615         get_loop_exit_edges.  Changed return type to bool.
9616         * cfgloop.h (fix_loop_placement): Declaration removed.
9617
9618 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9619
9620         * param.h (MIN_VECT_LOOP_BOUND): New.
9621         * params.def (MIN_VECT_LOOP_BOUND): New.
9622         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9623         argument - minimum threshold for number of iterations.
9624         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9625         argument to declaration.
9626         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9627         MIN_VECT_LOOP_BOUND.
9628         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9629         slpeel_tree_peel_loop_to_edge with additional argument.
9630         (vect_do_peeling_for_alignment): Likewise.
9631         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9632
9633 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9634
9635         PR target/30413
9636         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9637         operands of size 1.
9638
9639 2007-01-14  Jan Hubicka  <jh@suse.cz>
9640
9641         * tree-dfa.c (remove_referenced_var): New function.
9642         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9643         prune referenced vars list too.
9644         * tree-flow.h (remove_referenced_var): Declare.
9645
9646 2007-01-14  Jan Hubicka  <jh@suse.cz>
9647
9648         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9649         separately.
9650         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9651         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9652         * except.h (verify_eh_throw_table_statements): Kill prototype.
9653         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9654         into call exrepssions.
9655         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9656         eh trhow verifier.
9657         * tree-cfg.c: Include pointer-set.h.
9658         (verify_node_sharing): Work on pointer set.
9659         (verify_eh_throw_stmt_node): New.
9660         (verify_stmts): Use pointers sets, verify throw_stmt.
9661
9662 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9663
9664         * ipa-reference.c (analyze_function): Consider also addresses taken
9665         in phi nodes.
9666
9667 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9668
9669         * c-typeck.c (null_pointer_constant_p): Replace use of
9670         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9671         (build_c_cast): Likewise.
9672
9673 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9674
9675         * tree.h (force_fit_type_double): Remove unused final argument.
9676         * c-common.c (constant_expression_warning): Replace use of
9677         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9678         (convert_and_check): Likewise.
9679         (shorten_compare): Update call to force_fit_type_double.
9680         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9681         * convert.c (convert_to_pointer): Update call to
9682         force_fit_type_double.
9683         * fold-const.c (force_fit_type_double): Remove overflowed_const
9684         argument.
9685         (int_const_binop, fold_convert_const_int_from_int,
9686         fold_convert_const_int_from_real, fold_div_compare,
9687         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9688         fold_abs_const, fold_not_const): Remove the final argument from
9689         calls to force_fit_type_double.
9690
9691 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9692
9693         * configure.ac: Set insn to "nop" for spu-*-* also.
9694         * configure: Regenerate.
9695
9696 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9697
9698         * builtins.def : Add BUILT_IN_FREE.
9699
9700 2007-01-12  Jan Hubicka  <jh@suse.cz>
9701
9702         PR tree-optimization/30443
9703         * tree-inline.c (tree_function_versioning): Do not optimize when
9704         cloning for inlining.
9705
9706 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9707
9708         * doc/loop.texi: Document recording of loop exits.
9709         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9710         (update_single_exits_after_duplication,
9711         update_single_exit_for_duplicated_loop,
9712         update_single_exit_for_duplicated_loops): Removed.
9713         (duplicate_loop_to_header_edge): Do not call
9714         update_single_exits_after_duplication and
9715         update_single_exit_for_duplicated_loops.
9716         (loop_version): Do not update single_exit information.
9717         (fix_loop_structure): Use record_loop_exits instead of
9718         mark_single_exit_loops.
9719         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9720         the lists of loop exits.
9721         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9722         split_edge, merge_blocks): Update the lists of loop exits.
9723         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9724         loop_optimizer_init.
9725         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9726         of mark_single_exit_loops.
9727         (loop_optimizer_finalize): Call release_recorded_exits.
9728         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9729         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9730         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9731         update single exit information.
9732         * lambda-code.c (perfect_nestify): Ditto.
9733         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9734         (mark_single_exit_loops): Removed.
9735         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9736         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9737         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9738         functions.
9739         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9740         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9741         (verify_loop_structure): Verify consistency of the exit lists.
9742         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9743         (set_single_exit): Removed.
9744         * cfgloop.h (struct loop_exit): New function.
9745         (struct loop): single_exit_ field replaced by exits field.
9746         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9747         (struct loops): Added exits hash.
9748         (mark_single_exit_loops, set_single_exit): Declaration removed.
9749         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9750
9751 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9752
9753         * doc/invoke.texi: Avoid use of @headitem.
9754
9755 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9756
9757         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9758
9759 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9760
9761         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9762         list of targets.
9763
9764 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9765             Richard Sandiford  <richard@codesourcery.com>
9766
9767         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9768         * config/m68k/m68k.opt: Resort options.
9769         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9770
9771 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9772             Richard Sandiford  <richard@codesourcery.com>
9773
9774         * doc/invoke.texi: Document the macros that are defined by
9775         m68k's -mtune and -mhard-float options.
9776         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9777         (m68k_cpp_cpu_family): Likewise.
9778         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9779         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9780         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9781         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9782         (m68k_cpp_cpu_family): Likewise.
9783
9784 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9785
9786         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9787         macros besides mc68000 as tuning macros.  Use a switch statement
9788         to set them and mcpu32.
9789
9790 2007-01-12  Julian Brown  <julian@codesourcery.com>
9791
9792         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9793         (TARGET_68040_ONLY): Rename to...
9794         (TARGET_68040): ...this.
9795         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9796         * config/m68k/m68k.md: Likewise.
9797
9798 2007-01-12  Julian Brown  <julian@codesourcery.com>
9799             Nathan Sidwell  <nathan@codesourcery.com>
9800             Richard Sandiford  <richard@codesourcery.com>
9801
9802         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9803         the -mcpu= argument associated with the --with-cpu setting.
9804         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9805         if different from the one implied by the -mcpu setting.
9806         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9807         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9808         * doc/invoke.texi: Mention ColdFire in the introduction to the
9809         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9810         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9811         -mhard-float.  Document the previously-undocumented -m5206e,
9812         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9813         documentation for consistency.
9814         * doc/install.texi: Mention new --with-cpu arguments.
9815         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9816         default CPU if neither -mcpu nor -march are specified.
9817         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9818         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9819         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9820         using m68k_tune to decide between families that implement the
9821         same ISA.  Use m68k_tune to set __mcfv4e__.
9822         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9823         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9824         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9825         (FL_ISA_C, FL_ISA_MMU): New macros.
9826         (MASK_COLDFIRE): Delete.
9827         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9828         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9829         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9830         (TARGET_HARD_FLOAT): Do not define here.
9831         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9832         (TUNE_68000): New macro.
9833         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9834         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9835         (TUNE_CFV2): Redefine in terms of m68k_tune.
9836         (uarch_type, target_device, fpu_type): New enums.
9837         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9838         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9839         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9840         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9841         (FL_FOR_isa_c): New macros.
9842         (m68k_isa): New enum.
9843         (m68k_target_selection): New structure.
9844         (all_devices, all_isas, all_microarchs): New tables.
9845         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9846         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9847         (MASK_ALL_CPU_BITS): Delete.
9848         (m68k_find_selection): New function.
9849         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9850         Map the legacy target options to a combination of the new ones.
9851         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9852         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9853         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9854         settings.
9855         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9856         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9857         properties.
9858         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9859         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9860         * config/m68k/m68k-devices.def: New file.
9861
9862 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9863             Nathan Sidwell  <nathan@codesourcery.com>
9864
9865         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9866         (SUBTARGET_EXTRA_SPECS): New macros.
9867         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9868         use %(asm_cpu_spec) instead.
9869         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9870         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9871         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9872         (EXTRA_SPECS): Rename to...
9873         (SUBTARGET_EXTRA_SPECS): ...this.
9874
9875 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9876             Richard Sandiford  <richard@codesourcery.com>
9877             Julian Brown  <julian@codesourcery.com>
9878
9879         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9880         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9881         to the configuration's default CPU.
9882         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9883         Remove default masks.
9884         (m680[012]0-*-*): Set the default with_cpu to the first part of
9885         the target name.
9886         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9887         (m68k*-*-linux): Extend the --with-cpu handling to...
9888         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9889         and m68010.  Don't set target_cpu_default2.
9890         * doc/install.texi: Document --with-cpu for m68k.
9891         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9892         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9893         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9894         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9895         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9896         (ASM_SPEC): Remove use of %(asm_cpu_default).
9897         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9898         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9899         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9900         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9901         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9902         (TARGET_DEFAULT): Delete.
9903         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9904         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9905         (CPP_CPU_SPEC): Delete.
9906         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9907         the appropriate string.
9908         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9909         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9910         (ASM_SPEC): Don't use %(asm_default_spec).
9911         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9912         TARGET_DEFAULT and add MASK_68881.
9913         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9914
9915 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9916
9917         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9918         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9919         MASK_68010 alongside MASK_68020.
9920         * doc/invoke.texi: Document -m68010.
9921         * config/m68k/m68k.opt (m68010): New.
9922         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9923         if TUNE_68010.
9924         (TUNE_68010): New macro.
9925         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9926         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9927         (M68K_CPU_m68332): Add MASK_68010.
9928         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9929         fallback definition.
9930         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9931         defines.
9932         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9933         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9934         to all entries that use MASK_68020.
9935         (output_move_simode_const, output_move_himode, output_move_qimode)
9936         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9937         instead of TARGET_68020 to select clr behavior.  Remove comment
9938         about there being no TARGET_68010.
9939         * config/m68k/m68k.md: Likewise throughout.
9940
9941 2007-01-12  Julian Brown  <julian@codesourcery.com>
9942
9943         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9944         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9945         * config/m68k/m68k.md: Likewise.
9946
9947 2007-01-12  Julian Brown  <julian@codesourcery.com>
9948
9949         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9950         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9951
9952 2007-01-12  Julian Brown  <julian@codesourcery.com>
9953
9954         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9955         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9956         * config/m68k/m68k.md: Likewise.
9957
9958 2007-01-12  Julian Brown  <julian@codesourcery.com>
9959             Richard Sandiford  <richard@codesourcery.com>
9960
9961         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9962         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9963         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9964         TARGET_CPU32.
9965         (TARGET_CPU32): Rename to...
9966         (TUNE_CPU32): ...this.
9967         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9968         (TUNE_CFV2): New macros.
9969         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9970         remove conditions that are implied by TARGET_68020.
9971         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9972         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9973         (m68k_output_function_epilogue): Likewise.
9974         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9975         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9976         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9977         non-68000 timings.  Refactor multiplication and division costs.
9978         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9979         TUNE_CPU32 instead of TARGET_CPU32.
9980         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9981         and TUNE_68060 instead of TARGET_68060.
9982         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9983         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9984         TARGET_CPU32.
9985         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9986         && !TARGET_COLDFIRE" to choose between moveq and clr.
9987         Likewise in the unnamed movsf pattern.
9988         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9989         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9990         ashiftrt pattern.
9991
9992 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9993
9994         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9995         of tabbing before backslashes.
9996
9997 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9998
9999         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10000         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10001         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10002
10003 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10004
10005         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10006         find_interesting_uses_cond.
10007         (find_interesting_uses_cond): Use extract_cond_operands.
10008         (rewrite_use_compare): Use extract_cond_operands and
10009         force_gimple_operand_bsi.  Do not call update_stmt.
10010         (determine_use_iv_cost_condition): Use extract_cond_operands.
10011         Return cheaper of using original bound and changing the exit bound.
10012
10013 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10014
10015         PR tree-optimization/29516
10016         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10017         most_expensive_mult_to_index, addr_to_parts,
10018         create_mem_ref, maybe_fold_tmr): Make the type of
10019         fields of TARGET_MEM_REF sizetype.
10020         (move_fixed_address_to_symbol, move_pointer_to_base):
10021         New functions.
10022         * tree.def (TARGET_MEM_REF): Add comment on types of
10023         the operands.
10024
10025 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10026
10027         * c-common.c (vector_types_convertible_p): Treat opaque types as
10028         always convertible if they have the same size, but not otherwise.
10029
10030 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10031
10032         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10033         Remove the b_unconditional field.
10034         (noce_try_sign_mask): Do not look at b_unconditional.
10035         (noce_process_if_block): Do not use merge_if_blocks.  Update
10036         the CFG here.  Do not set b_unconditional.
10037         (cond_move_process_if_block): Likewise.
10038         (find_cond_trap): Likewise.
10039         (check_cond_move_block): Require simple jump insns at the end
10040         of the basic block.
10041
10042 2007-01-11  Jan Hubicka  <jh@suse.cz>
10043
10044         PR tree-optimization/1046
10045         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10046         when alias info is not ready.
10047         (pass_tail_recursion): Do not require aliasing.
10048         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10049         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10050         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10051         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10052         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10053         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10054         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10055         before inlining.
10056         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10057         When aliasing is not build, mark statement as volatile.
10058
10059 2007-01-11  Tom Tromey  <tromey@redhat.com>
10060
10061         PR preprocessor/15185, PR preprocessor/20989:
10062         * doc/cppopts.texi <-MT>: Update description of algorithm for
10063         computing default target.
10064         <-M, -MD>: Reword "basename" text.
10065
10066 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10067
10068         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10069         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10070         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10071         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10072         fold_builtin_bswap, real_constp, fold_builtin_pow,
10073         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10074         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10075         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10076         * convert.c (convert_to_pointer): Likewise.
10077         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10078         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10079         const_binop, fold_convert_const_int_from_int,
10080         fold_convert_const_int_from_real,
10081         fold_convert_const_real_from_real, sign_bit_p,
10082         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10083         fold_sign_changed_comparison, fold_unary, fold_comparison,
10084         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10085         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10086         * print-tree.c (print_node_brief, print_node): Likewise.
10087         * stor-layout.c (place_field, layout_type): Likewise.
10088         * tree-chrec.c (keep_cast): Likewise.
10089         * tree.c (build_vector, build_real, build_real_from_int_cst,
10090         build_complex): Likewise.
10091
10092 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10093
10094         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10095         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10096
10097 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10098
10099         * configure.ac (strict1_warn): Rename to strict_warn.
10100         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10101         cc_set_by_configure, quoted_cc_set_by_configure,
10102         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10103         all_boot_languages, all_stagestuff): Remove.
10104         (target_list): Remove bootstrap targets.
10105         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10106         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10107         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10108         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10109         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10110         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10111         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10112         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10113         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10114         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10115         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10116         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10117         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10118         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10119         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10120         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10121         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10122         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10123         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10124         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10125         (mostlyclean): Adjust.
10126         (clean, distclean): Don't mention bootstrap stuff.
10127         * configure: Regenerate.
10128         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10129         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10130         treelang/config-lang.in (stagestuff): Remove.
10131         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10132         stageprofile, stagefeedback, stagestuff): Remove mention.
10133
10134 2007-01-11  Nick Clifton  <nickc@redhat.com>
10135
10136         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10137         Accept CONSTs.
10138         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10139         (mcore_arith_K_S_operand): Run the test for the S constraint not
10140         the test for the M constraint.
10141         (mcore_addsub_operand): Do not accept integer values that are
10142         larger than 32 bits.
10143         * config/mcore/mcore.md: Remove unused constraints from split.
10144         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10145         (addsi3): Likewise.
10146         (allocate_stack): Likewise.
10147         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10148         operands to 32 bits.
10149         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10150         INTVAL.
10151         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10152         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10153         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10154         mcore_output_bclri, mcore_output_andn, output_inline_const,
10155         mcore_output_move, mcore_output_movedouble): Likewise.
10156         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10157         (output_inline_const): Likewise.
10158         (output_inline_const): Fix format strings used in sprintf
10159         statements.
10160         * config/mcore/mcore-protos.h: Update prototypes for changed
10161         functions in mcore.c.
10162         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10163         HOST_WIDE_INT and not int.
10164         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10165         CONST_OK_FOR_N): Likewise.
10166         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10167         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10168         an INTVAL.
10169
10170 2007-01-10  Jan Hubicka  <jh@suse.cz>
10171
10172         * tree-vrp.c (remove_range_assertions): Release defs.
10173         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10174         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10175
10176 2007-01-10  Paul Brook  <paul@codesourcery.com>
10177
10178         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10179         * config/arm/arm.md (mulsi3subsi): New insn.
10180
10181 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10182
10183         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10184         (tree_transform_and_unroll_loop): New.
10185         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10186         Declare.
10187
10188 2007-01-10  Robert Kennedy <jimbob@google.com>
10189
10190         * fold-const.c (fold_comparison): Fold comparisons like (x *
10191         1000 < 0) to (x < 0).
10192
10193 2007-01-10  Ian Lance Taylor  <iant@google.com>
10194
10195         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10196         operands have the same priority.
10197
10198 2007-01-10  Tom Tromey  <tromey@redhat.com>
10199
10200         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10201         (fold_binary): Likewise.
10202         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10203         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10204         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10205         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10206         * langhooks.h (struct lang_hooks): Removed field
10207         'can_use_bit_fields_p'.
10208
10209 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10210
10211         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10212
10213 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10214
10215         * function.c (get_last_funcdef_no): New function.
10216         * function.h (get_last_funcdef_no): Declare.
10217         * tree-inline.c (initialize_cfun): Add initialization.
10218         (tree_function_versioning): Cleanup.
10219
10220 2007-01-10  Jan Hubicka  <jh@suse.cz>
10221
10222         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10223         PHIs.
10224
10225 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10226             Ben Elliston  <bje@au.ibm.com>
10227
10228         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10229         for SAVE_NONLOCAL and Pmode for any other save level.
10230         * spu-protos.h (spu_restore_stack_block): Declare.
10231         * spu.md (save_stack_block): Remove.
10232         (restore_stack_block): Call spu_restore_stack_block.
10233         * spu.c (spu_restore_stack_block): New function.
10234         (spu_expand_epilogue): Remove old comment.
10235
10236 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10237
10238         PR tree-optimization/30322
10239         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10240         (cand_value_at): Return the value as aff_tree.
10241         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10242         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10243         aff_combination_mult): New functions.
10244         (aff_combination_add): Use aff_combination_add_cst.
10245         (aff_combination_convert): Allow conversions to a wider type.
10246         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10247         * tree-affine.h (aff_combination_mult): Declare.
10248
10249 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10250
10251         * doc/tm.texi: Update documentation to reflect reality of exec
10252         and start file search behaviours. Update copyright year.
10253         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10254         header file directories.
10255
10256 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10257
10258         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10259         (*cosxf2): Rename to cosxf2_i387.
10260         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10261         using X87MODEF12 mode macro. Rename patterns to
10262         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10263         for SSE math.
10264         (*cosdf2, *cossf2): Ditto.
10265         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10266         to match extended input operands.
10267         (sincos<mode>3): New expander.
10268         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10269         insn patterns and corresponding splitters.
10270
10271 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10272
10273         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10274         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10275
10276 2007-01-09  Nicolas Pitre  <nico@cam.org>
10277
10278         PR target/30173
10279         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10280
10281 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10282
10283         * target.h (struct gcc_target): New field library_rtti_comdat.
10284         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10285         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10286         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10287         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10288
10289 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10290
10291         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10292
10293 2007-01-08  Richard Guenther  <rguenther@suse.de>
10294
10295         * tree.h (force_fit_type_double): Export.
10296         (force_fit_type): Remove.
10297         * fold-const.c (force_fit_type_double): New function.
10298         (force_fit_type): Remove.
10299         (int_const_binop): Use it.
10300         (fold_convert_const_int_from_int): Likewise.
10301         (fold_convert_const_int_from_real): Likewise.
10302         (fold_div_compare): Likewise.
10303         (fold_sign_changed_comparison): Likewise.
10304         (fold_unary): Likewise.
10305         (fold_negate_const): Likewise.
10306         (fold_abs_const): Likewise.
10307         (fold_not_const): Likewise.
10308         * c-common.c (shorten_compare): Use force_fit_type_double.
10309         * convert.c (convert_to_pointer): Likewise.
10310
10311 2007-01-08  Richard Guenther  <rguenther@suse.de>
10312
10313         * tree.h (build_int_cst_wide_type): Export.
10314         * tree.c (build_int_cst_wide_type): New function.
10315         (build_int_cst_wide): Fix comment.
10316         * builtins.c (fold_builtin_object_size): Use build_int_cst
10317         to build -1 or 0 of the correct type.  Use fit_double_type
10318         to check for overflow.
10319         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10320         to build the mask.
10321         (decode_field_reference): Likewise.
10322         (all_ones_mask_p): Likewise.
10323         (native_interpret_int): Use build_int_cst_wide_type.
10324         (fold_binary): Use build_int_cst_type to build an all-ones
10325         value.
10326         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10327
10328 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10329
10330         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10331
10332 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10333
10334         * genautomata.c (STATS_OPTION): New option.
10335         (stats_flag): New flag.
10336         (gen_automata_option): Handle it.
10337         (initiate_automaton_gen): Ditto.
10338         (write_automata): Output statistics only if stats_flag is
10339         set. Likewise, output time statistics only if time_flag is set.
10340         * doc/md.texi (Processor pipeline description): Document new flag.
10341
10342 2007-01-08  Richard Guenther  <rguenther@suse.de>
10343
10344         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10345         * tree.c (build_int_cst_type): Likewise.
10346         (size_in_bytes): Don't call force_fit_type on the result.
10347         (int_fits_type_p): Use fit_double_type.
10348         * fold-const.c (fit_double_type): New function.
10349         (force_fit_type): Use it.
10350         * tree.h (fit_double_type): Export.
10351
10352 2007-01-08  Jan Hubicka  <jh@suse.cz>
10353
10354         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10355         * ipa.c (function_and_variable_visibility): Fix return type.
10356
10357 2007-01-08  Richard Guenther  <rguenther@suse.de>
10358
10359         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10360         of offset to build the index.
10361         * tree-pretty-print.c (dump_generic_node): Don't build negated
10362         const just for printing.
10363         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10364         * builtins.c (fold_builtin_int_roundingfn): Check if result
10365         fits the type by using force_fit_type and comparing the result.
10366         * predict.c (predict_loops): Use compare_tree_int for comparison.
10367         * tree.c (build_int_cst): Fall back to integer_type_node for
10368         NULL_TREE type.
10369         (build_int_cst_wide): Assert type is non-null.
10370
10371 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10372
10373         * tree-vrp.c (extract_range_from_cond_expr): New.
10374         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10375         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10376         as expressions.
10377         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10378         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10379         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10380         used as expressions.
10381         * tree-object-size.c (cond_expr_object_size): New.
10382         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10383
10384 2007-01-08  Jan Hubicka  <jh@suse.cz>
10385
10386         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10387         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10388         statement.
10389
10390 2007-01-08  Richard Guenther  <rguenther@suse.de>
10391
10392         PR tree-optimization/23603
10393         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10394         (extract_range_from_binary): Fall back to truthvalue instead of
10395         varying for TRUTH_*_EXPR.
10396         (extract_range_from_comparison): Fall back to truthvalue instead of
10397         varying.
10398         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10399         if all visited PHI values were constant.
10400
10401 2007-01-08  Jan Hubicka  <jh@suse.cz>
10402
10403         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10404         (cgraph_analyze_function): break out from ...
10405         (cgraph_finalize_compilation_unit): ... here.
10406         (cgraph_expand_function): Remove forgoten commented out line.
10407         (cgraph_optimize): Analyze functions.
10408
10409 2007-01-08  Jan Hubicka  <jh@suse.cz>
10410
10411         * tree-pas.h (TODO_remove_function): New flag.
10412         (TODO_update*): Renumber.
10413         (pass_ipa_increase_alignment,
10414         pass_ipa_function_and_variable_visibility): New passes.
10415         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10416         (cgraph_function_and_variable_visibility): Move to ipa.c
10417         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10418         cgraph_increase_alignment.
10419         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10420         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10421         calling tree-inline.
10422         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10423         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10424         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10425         (gate_increase_alignment): New function.
10426         (pass_ipa_increase_alignment): New pass.
10427         * ipa.c: Inline tree-pass.h and timevar.h
10428         (function_and_variable_visibility): Move here from cgraphunit.c
10429         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10430         * passes.c (init_optimization_passes): Add the two new passes.
10431         (execute_todo): Handle cgraph_remove_functions.
10432
10433 2007-01-08  Nick Clifton  <nickc@redhat.com>
10434
10435         * config/frv/predicates.md (reg_or_0_operand): Accept
10436         CONST_DOUBLEs.
10437
10438 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10439
10440         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10441         * config.gcc: Add bfin*-rtems*.
10442
10443 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10444
10445         * c.opt: Add -flax-vector-conversions.
10446         * c-typeck.c (convert_for_assignment): Pass flag to
10447         vector_types_convertible_p to allow emission of note.
10448         (digest_init): Likewise.
10449         * c-opts.c: Handle -flax-vector-conversions.
10450         * c-common.c (flag_lax_vector_conversions): New.
10451         (vector_types_convertible_p): Unless -flax-vector conversions
10452         has been passed, disallow conversions between vectors with
10453         differing numbers of subparts and/or element types.  If such
10454         a conversion is disallowed, possibly emit a note on the first
10455         occasion only to inform the user of -flax-vector-conversions.
10456         The new last argument specifies this.
10457         * c-common.h (flag_lax_vector_conversions): New.
10458         (vector_types_convertible_p): Add extra argument.
10459         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10460         char_type_node for V*QI type vectors.
10461         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10462         Update to satisfy new typechecking rules.
10463         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10464         C and C++ variants.
10465         * doc/invoke.texi (C Dialect Options): Document
10466         -flax-vector-conversions.
10467
10468 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10469
10470         PR tree-optimization/29877
10471         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10472         a register variable on the RHS to not be replaceable.
10473
10474 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10475         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10476         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10477         const_simm15, const_pow2, const_npow2): Added.
10478         * config/score/misc.md (insv, extv, extzv, movmemsi,
10479         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10480         * config/score/score.c (score_address_cost, score_select_cc_mode):
10481         Added.
10482         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10483         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10484         Update score_print_operand.
10485         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10486         Adjust register allocate order and update some macro define.
10487         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10488         mdx_block_move_straight, mdx_block_move_loop_head,
10489         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10490         mdx_block_move): Added.
10491         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10492         mdp_limm): Updated and fix some bug and typo.
10493         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10494         (movsf, movdf, doloop_end): Added.
10495
10496 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10497
10498         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10499         config/arm/thumb2.md: Fix comment typos.
10500         * doc/extend.texi: Fix a typo.
10501
10502 2007-01-07  Eric Christopher  <echristo@apple.com>
10503
10504         * configure.ac: Check for __stack_chk_fail for darwin.
10505         * configure: Regenerate.
10506
10507 2007-01-07  Richard Guenther  <rguenther@suse.de>
10508
10509         * tree-vrp.c (extract_range_from_assert): CSE calls to
10510         compare_values where possible.
10511         (extract_range_from_unary_expr): Likewise.
10512
10513 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10514
10515         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10516         * config/avr/avr.c (call_insn_operand): Delete function.
10517         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10518         instead of register number. Use predicates.
10519         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10520         call_insn_operand): Add.
10521
10522 2007-01-06  Jan Hubicka  <jh@suse.cz>
10523
10524         * tree-pass.h (pass_build_cgraph_edges): Declare.
10525         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10526         (visited_nodes): Remove.
10527         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10528         build_cgrpah_edges; make visited_nodes local.
10529         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10530         (record_references_in_initializer): Move to cgraphbuild.c
10531         (initialize_inline_failed, rebuild_cgraph_edges,
10532         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10533         (verify_cgraph_node): Make visited_nodes local.
10534         (cgraph_analyze_function): Do not call cgraph_create_edges and
10535         initialize_inline_failed.
10536         (cgraph_expand_function): Do not call cgraph_lower_function;
10537         assert that function is already lowered.
10538         * Makefile.in (cgraphbuild.o): New.
10539         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10540         at the end of lowering passes.
10541
10542 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10543
10544         * ifcvt.c (cond_move_convert_if_block): New function, code
10545         factored out from...
10546         (cond_move_process_if_block): ...here.  Call the new function
10547         on the THEN and ELSE blocks.
10548         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10549         already takes care of this.
10550
10551 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10552
10553         PR c/19978
10554         * tree.h (TREE_OVERFLOW_P): New.
10555         * c-typeck.c (parser_build_unary_op): Warn only if result
10556         overflowed and operands did not.
10557         (parser_build_binary_op): Likewise.
10558         (convert_for_assignment): Remove redundant overflow_warning.
10559         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10560
10561 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10562
10563         * c-typeck.c (store_init_value): Split over two lines to follow
10564         the GNU coding style.
10565
10566 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10567
10568         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10569         __GXX_EXPERIMENTAL_CXX0X__.
10570         * doc/cpp.texi: Same.
10571
10572 2007-01-05  Richard Guenther  <rguenther@suse.de>
10573
10574         PR middle-end/27826
10575         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10576         with mismatched types.  Instead explicitly build a
10577         conversion NOP_EXPR.
10578
10579 2007-01-05  Ian Lance Taylor  <iant@google.com>
10580
10581         * c-common.c (decl_with_nonnull_addr_p): New function.
10582         (c_common_truthvalue_conversion): Call it.
10583         * c-typeck.c (build_binary_op): Likewise.
10584         * c-common.h (decl_with_nonnull_addr_p): Declare.
10585
10586 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10587
10588         PR c/30360
10589         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10590         denom against 0.0.
10591
10592 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10593
10594         * doc/install.texi (Final install): Document the fact that
10595         the GNAT runtime should not be stripped.
10596
10597 2007-01-04  Jan Hubicka  <jh@suse.cz>
10598
10599         * tree-inline.c (fold_marked_statements): Update operand caches
10600         and EH after folding
10601
10602 2007-01-04  Ian Lance Taylor  <iant@google.com>
10603
10604         * c-common.c (check_function_nonnull): Whitespace fix.
10605
10606 2007-01-04  Jan Hubicka  <jh@suse.cz>
10607
10608         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10609         comitted older version of patch.
10610         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10611         function, celanup cfg and collect garbage.
10612
10613 2007-01-04  Mike Stump  <mrs@apple.com>
10614
10615         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10616         (clean): Likewise.
10617
10618 2007-01-04  Eric Christopher  <echristo@apple.com>
10619
10620         * libgcc2.c (__bswapsi2): Use SItype.
10621         (__bswapdi2): Use DItype.
10622         * libgcc2.h: Update for above.
10623
10624 2007-01-04  Paul Brook  <paul@codesourcery.com>
10625
10626         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10627         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10628         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10629         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10630         umulsi3_highpart): Make conditional on !arm_arch6.
10631         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10632         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10633         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10634         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10635         umulsi3_highpart_v6): New insns.
10636
10637 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10638
10639         * fold-const.c (fold_convert): When casting an expression to void,
10640         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10641         have a type.  Instead of attempting to build a NOP_EXPR, return
10642         these "special" trees directly.
10643
10644 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10645
10646         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10647         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10648         rs6000_cost->fp not 0 as adjustment for outer NEG.
10649
10650 2007-01-04  Jan Hubicka  <jh@suse.cz>
10651
10652         * cgraph.c (cgraph_release_function_body): New function.
10653         (cgraph_remove_node): Use it.
10654         * cgraph.h (cgraph_release_function_body): Declare.
10655         * cgraphunit.c (cgraph_expand_function): Use it.
10656         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10657         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10658         is initialized and while compilation of other function is running.
10659         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10660         statement CFG annotations from here to ...
10661         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10662
10663 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10664
10665         * cfgloop.h (enum li_flags): Make the constants powers of two.
10666
10667 2007-01-04  Jan Hubicka  <jh@suse.cz>
10668
10669         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10670         set.
10671         (fold_marked_statements): New function.
10672         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10673         * tree-inline.h (copy_body_data): Add statements_to_fold.
10674
10675 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10676
10677         * config.gcc: Mention libgcc/config.host.
10678         * Makefile.in: Update comments mentioning libgcc.
10679         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10680         (all.cross, start.encap, rest.encap, rest.cross): Update
10681         dependencies for libgcc move.
10682         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10683         (clean-target, clean-target-libgcc): Delete.
10684         (srcdirify, GCC_EXTRA_PARTS): New macros.
10685         (libgcc-support, libgcc.mvars): New rules.
10686         (distclean): Remove mention of mklibgcc.
10687         (install): Don't reference INSTALL_LIBGCC.
10688         (install-common): Don't reference EXTRA_PARTS.
10689         (install-libgcc, install-multilib): Delete rules.
10690         * mklibgcc.in: Delete file.
10691         * doc/configfiles.texi: Don't mention mklibgcc.
10692
10693         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10694         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10695         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10696         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10697         (mklibgcc, ldblspecs): Likewise.
10698
10699         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10700         (posixpre.def): Use $(T).
10701         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10702         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10703         (SHLIB_LINK): Make dummy.
10704         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10705
10706         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10707
10708         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10709         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10710         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10711         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10712
10713         * configure.ac (all_outputs): Remove mklibgcc.
10714         * configure: Regenerated.
10715
10716 2007-01-03  Josh Conner  <jconner@apple.com>
10717
10718         PR middle-end/29683
10719         * calls.c (compute_argument_addresses): Set stack and stack_slot
10720         for partial args, too.
10721         (store_one_arg): Use locate.size.constant for the size when
10722         generating a save_area.
10723
10724 2007-01-03  Robert Kennedy <jimbob@google.com>
10725
10726         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10727         whose definitions are deleted due to basic block merging.
10728
10729 2007-01-03  Paul Brook  <paul@codesourcery.com>
10730
10731         PR target/16634
10732         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10733         functions.
10734         (use_return_insn): Return 0 for Thumb interrupt functions.
10735         (print_multi_reg): Add rfe argument for IRQ returns.
10736         (arm_output_epilogue): Pop interrupt return address directly into PC.
10737         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10738
10739 2007-01-03  Paul Brook  <paul@codesourcery.com>
10740
10741         Merge from sourcerygxx-4_1.
10742         * config/arm/thumb2.md: New file.
10743         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10744         Thumb-2.
10745         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10746         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10747         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10748         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10749         tables.
10750         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10751         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10752         comptibility.
10753         * config/arm/ieee754-sf.S: Ditto.
10754         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10755         (thumb1_base_register_rtx_p): ... to this.
10756         (thumb_index_register_rtx_p): Rename...
10757         (thumb1_index_register_rtx_p): ... to this.
10758         (thumb_output_function_prologue): Rename...
10759         (thumb1_output_function_prologue): ... to this.
10760         (thumb_legitimate_address_p): Rename...
10761         (thumb1_legitimate_address_p): ... to this.
10762         (thumb_rtx_costs): Rename...
10763         (thumb1_rtx_costs): ... to this.
10764         (thumb_compute_save_reg_mask): Rename...
10765         (thumb1_compute_save_reg_mask): ... to this.
10766         (thumb_final_prescan_insn): Rename...
10767         (thumb1_final_prescan_insn): ... to this.
10768         (thumb_expand_epilogue): Rename...
10769         (thumb1_expand_epilogue): ... to this.
10770         (arm_unwind_emit_stm): Rename...
10771         (arm_unwind_emit_sequence): ... to this.
10772         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10773         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10774         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10775         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10776         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10777         thumb2_output_casesi): New functions.
10778         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10779         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10780         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10781         THUMB2_WORK_REGS): Define.
10782         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10783         arm_condexec_mask, arm_condexec_masklen)): New variables.
10784         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10785         (arm_override_options): Check new CPU capabilities.
10786         Set new architecture flag variables.
10787         (arm_isr_value): Handle v7m interrupt functions.
10788         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10789         Thumb-2.
10790         (const_ok_for_arm): Handle Thumb-2 constants.
10791         (arm_gen_constant): Ditto.  Use movw when available.
10792         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10793         functions.
10794         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10795         (thumb_find_work_register, arm_load_pic_register,
10796         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10797         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10798         print_multi_reg, output_mov_long_double_fpa_from_arm,
10799         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10800         output_mov_double_fpa_from_arm, output_move_double,
10801         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10802         output_return_instruction, arm_output_function_prologue,
10803         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10804         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10805         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10806         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10807         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10808         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10809         '!' and 'L'.
10810         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10811         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10812         (arm_file_start): Output directive for unified syntax.
10813         (arm_unwind_emit_set): Handle stack alignment instruction.
10814         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10815         Add v6t2, v7, v7a, v7r and v7m.
10816         (RETLDM): Add Thumb-2 code.
10817         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10818         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10819         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10820         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10821         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10822         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10823         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10824         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10825         ADJUST_INSN_LENGTH): Define.
10826         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10827         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10828         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10829         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10830         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10831         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10832         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10833         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10834         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10835         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10836         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10837         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10838         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10839         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10840         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10841         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10842         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10843         cortex-m3.
10844         * config/arm/arm-tune.md: Regenerate.
10845         * config/arm/arm-protos.h: Update prototypes.
10846         * config/arm/vfp.md: Enable patterns for Thumb-2.
10847         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10848         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10849         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10850         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10851         * config/arm/libunwind.S: Add Thumb-2 code.
10852         * config/arm/constraints.md: Update include Thumb-2.
10853         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10854         * config/arm/ieee754-df.S: Ditto.
10855         * config/arm/bpabi.S: Ditto.
10856         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10857         * config/arm/predicates.md (low_register_operand,
10858         low_reg_or_int_operand, thumb_16bit_operator): New.
10859         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10860         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10861         * config/arm/t-arm-elf: Add armv7 multilib.
10862         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10863         Include thumb2.md.
10864         (UNSPEC_STACK_ALIGN, ce_count): New.
10865         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10866         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10867         insns/expanders.
10868         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10869         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10870         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10871         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10872         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10873         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10874         insns.
10875         * doc/extend.texi: Document ARMv7-M interrupt functions.
10876         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10877
10878 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10879
10880         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10881         (struct _Unwind_Context): Rename args_size to flags, remove
10882         signal_frame field, add a new args_size field and version field.
10883         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10884         _Unwind_IsExtendedContext): New inline functions.
10885         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10886         Assume by_value array is only present if _Unwind_IsExtendedContext.
10887         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10888         _Unwind_IsSignalFrame.
10889         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10890         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10891         (uw_init_context_1): Initialize context->flags to
10892         EXTENDED_CONTEXT_BIT.
10893         * config/rs6000/linux-unwind.h (frob_update_context): Use
10894         _Unwind_SetSignalFrame.
10895
10896 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10897
10898         PR middle-end/30353
10899         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10900         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10901         the value.
10902
10903 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10904
10905         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10906         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10907         RET, AT_SP): Remove.
10908         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10909         instead of RET.
10910
10911         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10912         * cfgbuild.c (find_basic_blocks): Likewise.
10913         * cfgrtl.c (rtl_create_basic_block): Likewise.
10914         * function.c (temp_slots_at_level): Likewise.
10915         * reg-stack.c (stack_regs_mentioned): Likewise.
10916         * regclass.c (allocate_reg_info): Likewise.
10917         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10918         set_bb_for_stmt, move_block_to_fn): Likewise.
10919         * tree-complex.c (tree_lower_complex): Likewise.
10920         * vec.h (VEC_safe_grow_cleared): New.
10921
10922         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10923
10924 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10925
10926         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10927         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10928         to loop_version.
10929         * cfgloopmanip.c (scale_loop_frequencies): Export.
10930         (loopify): Scale the frequencies by prescribed coefficients.
10931         (set_zero_probability): New function.
10932         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10933         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10934         and frequencies according to arguments.
10935         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10936         correctly.
10937         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10938         * modulo-sched.c (sms_schedule): Set probabilities for entering
10939         versioned loop correctly.
10940         * tree-vect-transform.c (vect_transform_loop): Ditto.
10941         * cfgloop.h (loopify, loop_version): Declaration changed.
10942         (scale_loop_frequencies): Declared.
10943
10944 2007-01-02  Jan Hubicka  <jh@suse.cz>
10945
10946         * cgraph.c: Include tree-flow.h
10947         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10948         early_local_passes.
10949         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10950         * tree-pass.h (pass_all_early_optimizations): Declare.
10951         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10952         early_local_passes.
10953         (cgraph_analyze_function): Do early_local_passes.
10954         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10955         Do not add referenced vars.
10956         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10957         SSA form.
10958         (gate_all_early_local_passes): New gate.
10959         (pass_early_local_passes): Use new gate.
10960         (execute_early_local_optimizations): New functions.
10961         (gate_all_early_optimizations): New gate.
10962         (pass_all_early_optimizations): New pass.
10963         (execute_free_datastructures): Free SSA only when initialized.
10964         (gate_init_datastructures): Init only when optimizing.
10965         (tree_lowering_passes): Do early local passes when called late.
10966         * tree-profile.c (do_tree_profiling): Don't profile functions added
10967         late.
10968         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10969         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10970         not active.
10971         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10972         during early_local_passes.
10973         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10974
10975
10976 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10977
10978         * Makefile.in: Update copyright year.
10979
10980 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10981
10982         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10983         in $(lang_checks) and check-consistency targets.
10984
10985 2007-01-02  Jan Hubicka  <jh@suse.cz>
10986
10987         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10988         Do not add referenced vars.
10989         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10990         are not active.
10991         * passes.c (init_optimization_passes): Put mudflap_2 after
10992         free_datastructures.
10993
10994 2007-01-02  Jan Hubicka  <jh@suse.cz>
10995
10996         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10997         Set NOTHROW flag on call statements proved to be nothrow.
10998         Update statement of local calls so new pure/const functions are
10999         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11000         goto receivers.
11001         (tree_rest_of_compilation): Register hooks and initialize bitmap
11002         early. Do not set after_inlining flag.
11003
11004 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11005
11006         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11007         HOST_BITS_PER_LONGLONG
11008
11009 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11010
11011         PR c/19977
11012         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11013         warning for non-static initializers.
11014
11015 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11016
11017         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11018         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11019         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11020         Always use set_unique_reg_note to add REG_EQUAL notes.
11021
11022 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11023
11024         Revert:
11025         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11026
11027         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11028         * cfgbuild.c (find_basic_blocks): Likewise.
11029         * cfgrtl.c (rtl_create_basic_block): Likewise.
11030         * function.c (temp_slots_at_level): Likewise.
11031         * reg-stack.c (stack_regs_mentioned): Likewise.
11032         * regclass.c (allocate_reg_info): Likewise.
11033         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11034         set_bb_for_stmt, move_block_to_fn): Likewise.
11035         * tree-complex.c (tree_lower_complex): Likewise.
11036         * vec.h (VEC_safe_grow_cleared): New.
11037
11038 2007-01-02  Ian Lance Taylor  <iant@google.com>
11039
11040         * c-common.c (c_common_truthvalue_conversion): When warning about
11041         using an assignment as a truth value, set TREE_NO_WARNING.
11042
11043 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11044
11045         PR middle-end/7651
11046         * c.opt (Wold-style-declaration): New.
11047         * doc/invoke.texi (C-only Warning Options): New.
11048         (Wold-style-declaration): Document it.
11049         (Wextra): Enabled by -Wextra.
11050         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11051         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11052         -Wold-style-declaration.
11053
11054 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11055
11056         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11057         * cfgbuild.c (find_basic_blocks): Likewise.
11058         * cfgrtl.c (rtl_create_basic_block): Likewise.
11059         * function.c (temp_slots_at_level): Likewise.
11060         * reg-stack.c (stack_regs_mentioned): Likewise.
11061         * regclass.c (allocate_reg_info): Likewise.
11062         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11063         set_bb_for_stmt, move_block_to_fn): Likewise.
11064         * tree-complex.c (tree_lower_complex): Likewise.
11065         * vec.h (VEC_safe_grow_cleared): New.
11066
11067 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11068
11069         * c-common.c (c_common_nodes_and_builtins): Since variants of
11070         void_type_node get built before it is given a name, we need to
11071         give those variants the name, too.
11072         (complete_array_type): We need to work with the canonical main
11073         type of the array, from which we will build the qualified version.
11074         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11075         * print-tree.c (print_node): Display canonical type information
11076         for each type.
11077         * stor-layout.c (layout_type): When we don't know the
11078         alignment of a type for which we're building an array, we end up
11079         guessing wrong, so make the type require structural equality.
11080         * tree.c (make_node_stat): When we build a new type, it is its
11081         own canonical type.
11082         (build_type_attribute_qual_variant): When building an attribute
11083         variant, its canonical type is the non-attribute variant. However,
11084         if the attributes are target-dependent and they differ, we need to
11085         use structural equality checks for this type.
11086         (build_qualified_type): A qualified type is not equivalent to its
11087         unqualified variant; set the canonical type appropriately.
11088         (build_distinct_type_copy): When building a distinct type from
11089         another type, the new type is its own canonical type.
11090         (build_variant_type_copy): When building a new type variant, we
11091         assume that it is equivalent to the original type.
11092         (build_pointer_type_for_mode): When building a pointer type, also
11093         build a canonical type pointer.
11094         (build_reference_type_for_mode): When building a reference type,
11095         also build a canonical type reference.
11096         (build_index_type): When we can't hash an index type (e.g.,
11097         because its maximum value is negative), the index type requires
11098         structural equality tests.
11099         (build_array_type): Build the canonical form of an array type.
11100         (build_function_type): Function types require structural equality,
11101         because they contain default arguments, attributes, etc.
11102         (build_method_type_directly): Ditto for method types.
11103         (build_offset_type): Build the canonical offset type.
11104         (build_complex_type): Build the canonical vector type.
11105         (make_vector_type): Build the canonical vector type.
11106         * tree.h (TYPE_CANONICAL): New.
11107         (TYPE_STRUCTURAL_EQUALITY_P): New.
11108         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11109         (struct tree_type): Added "canonical" field.
11110         * params.h (VERIFY_CANONICAL_TYPES): New.
11111         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11112         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11113         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11114         * doc/invoke.texi (verify-canonical-types): Document --param
11115         parameter for verifying canonical types.
11116
11117 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11118
11119         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11120         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11121         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11122         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11123         tm_file.
11124         * config/rs6000/e500.h: New.
11125         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11126         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11127         Remove.
11128         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11129         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11130         TARGET_E500_DOUBLE): Remove.
11131         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11132         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11133         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11134         * config/rs6000/rs6000.c (rs6000_override_options): Use
11135         CHECK_E500_OPTIONS.
11136
11137 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11138
11139         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11140         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11141         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11142         rs6000_emit_cmove): Don't check TARGET_E500.
11143         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11144         sordered): Don't check TARGET_E500.
11145
11146 2007-01-01  Eric Christopher  <echristo@apple.com>
11147
11148         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11149         HARD_REGISTER_NUM_P.
11150
11151 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11152
11153         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11154         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11155         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11156         eq/ne Y".
11157
11158 2007-01-01  Mike Stump  <mrs@apple.com>
11159
11160         * configure.ac: Remove support for building with Apple's gcc-3.1.
11161
11162 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11163
11164         PR middle-end/30311
11165         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11166         REG is a hard register.  Do not modify REG before calling
11167         subreg_nregs.
11168         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11169         multiple of the size of YMODE for certain lowpart cases.
11170
11171 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11172
11173         PR middle-end/30253
11174         * gimplify (voidify_wrapper_expr): Update for
11175         GIMPLE_MODIFY_STMT.
11176
11177 2007-01-01  Andreas Schwab  <schwab@suse.de>
11178
11179         PR target/29166
11180         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11181         save of BR0 in extra_spill_size instead of spill_size.
11182         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11183         area.
11184         (ia64_expand_epilogue): Restore BR0 from its new location.
11185
11186 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11187
11188         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11189         Use a temporary variable if the left hand side is not a gimple
11190         register.
11191
11192 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11193
11194         * gimplify.c (gimplify_return_expr): Make the temporary variable
11195         for the return expression, a gimple register variable.
11196
11197 2007-01-01  Jan Hubicka  <jh@suse.cz>
11198
11199         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11200         INSN_LIST.
11201
11202 2007-01-01  Mike Stump  <mrs@apple.com>
11203
11204         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11205         .literal16.
11206         * config/darwin.c (machopic_select_rtx_section): Use
11207         HAVE_GAS_LITERAL16.
11208         (darwin_mergeable_constant_section): Likewise.
11209         * configure: Regenerate.
11210         * config.in: Regenerate.
11211
11212 2007-01-01  Jan Hubicka  <jh@suse.cz>
11213             Andrew Pinski  <pinskia@gmail.com>
11214
11215         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11216         before starting IPA passes.