gcc/ChangeLog

   1 2007-01-08  Richard Guenther  <rguenther@suse.de>
   2
   3         * tree.h (build_int_cst_wide_type): Export.
   4         * tree.c (build_int_cst_wide_type): New function.
   5         (build_int_cst_wide): Fix comment.
   6         * builtins.c (fold_builtin_object_size): Use build_int_cst
   7         to build -1 or 0 of the correct type.  Use fit_double_type
   8         to check for overflow.
   9         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
  10         to build the mask.
  11         (decode_field_reference): Likewise.
  12         (all_ones_mask_p): Likewise.
  13         (native_interpret_int): Use build_int_cst_wide_type.
  14         (fold_binary): Use build_int_cst_type to build an all-ones
  15         value.
  16         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
  17
  18 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
  19
  20         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
  21
  22 2007-01-09  Ben Elliston  <bje@au.ibm.com>
  23
  24         * genautomata.c (STATS_OPTION): New option.
  25         (stats_flag): New flag.
  26         (gen_automata_option): Handle it.
  27         (initiate_automaton_gen): Ditto.
  28         (write_automata): Output statistics only if stats_flag is
  29         set. Likewise, output time statistics only if time_flag is set.
  30         * doc/md.texi (Processor pipeline description): Document new flag.
  31
  32 2007-01-08  Richard Guenther  <rguenther@suse.de>
  33
  34         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
  35         * tree.c (build_int_cst_type): Likewise.
  36         (size_in_bytes): Don't call force_fit_type on the result.
  37         (int_fits_type_p): Use fit_double_type.
  38         * fold-const.c (fit_double_type): New function.
  39         (force_fit_type): Use it.
  40         * tree.h (fit_double_type): Export.
  41
  42 2007-01-08  Jan Hubicka  <jh@suse.cz>
  43
  44         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
  45         * ipa.c (function_and_variable_visibility): Fix return type.
  46
  47 2007-01-08  Richard Guenther  <rguenther@suse.de>
  48
  49         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
  50         of offset to build the index.
  51         * tree-pretty-print.c (dump_generic_node): Don't build negated
  52         const just for printing.
  53         * c-pretty-print.c (pp_c_integer_constant): Likewise.
  54         * builtins.c (fold_builtin_int_roundingfn): Check if result
  55         fits the type by using force_fit_type and comparing the result.
  56         * predict.c (predict_loops): Use compare_tree_int for comparison.
  57         * tree.c (build_int_cst): Fall back to integer_type_node for
  58         NULL_TREE type.
  59         (build_int_cst_wide): Assert type is non-null.
  60
  61 2007-01-08  Roberto Costa  <roberto.costa@st.com>
  62
  63         * tree-vrp.c (extract_range_from_cond_expr): New.
  64         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
  65         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
  66         as expressions.
  67         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
  68         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
  69         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
  70         used as expressions.
  71         * tree-object-size.c (cond_expr_object_size): New.
  72         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
  73
  74 2007-01-08  Jan Hubicka  <jh@suse.cz>
  75
  76         * tree-ssa-forwprop.c (forward_propagate_into_cond,
  77         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
  78         statement.
  79
  80 2007-01-08  Richard Guenther  <rguenther@suse.de>
  81
  82         PR tree-optimization/23603
  83         * tree-vrp.c (set_value_range_to_truthvalue): New function.
  84         (extract_range_from_binary): Fall back to truthvalue instead of
  85         varying for TRUTH_*_EXPR.
  86         (extract_range_from_comparison): Fall back to truthvalue instead of
  87         varying.
  88         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
  89         if all visited PHI values were constant.
  90
  91 2007-01-08  Jan Hubicka  <jh@suse.cz>
  92
  93         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
  94         (cgraph_analyze_function): break out from ...
  95         (cgraph_finalize_compilation_unit): ... here.
  96         (cgraph_expand_function): Remove forgoten commented out line.
  97         (cgraph_optimize): Analyze functions.
  98
  99 2007-01-08  Jan Hubicka  <jh@suse.cz>
 100
 101         * tree-pas.h (TODO_remove_function): New flag.
 102         (TODO_update*): Renumber.
 103         (pass_ipa_increase_alignment,
 104         pass_ipa_function_and_variable_visibility): New passes.
 105         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
 106         (cgraph_function_and_variable_visibility): Move to ipa.c
 107         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
 108         cgraph_increase_alignment.
 109         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
 110         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
 111         calling tree-inline.
 112         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
 113         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
 114         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
 115         (gate_increase_alignment): New function.
 116         (pass_ipa_increase_alignment): New pass.
 117         * ipa.c: Inline tree-pass.h and timevar.h
 118         (function_and_variable_visibility): Move here from cgraphunit.c
 119         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
 120         * passes.c (init_optimization_passes): Add the two new passes.
 121         (execute_todo): Handle cgraph_remove_functions.
 122
 123 2007-01-08  Nick Clifton  <nickc@redhat.com>
 124
 125         * config/frv/predicates.md (reg_or_0_operand): Accept
 126         CONST_DOUBLEs.
 127
 128 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
 129
 130         * config/bfin/rtems.h, config/bfin/t-rtems: New.
 131         * config.gcc: Add bfin*-rtems*.
 132
 133 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 134
 135         * c.opt: Add -flax-vector-conversions.
 136         * c-typeck.c (convert_for_assignment): Pass flag to
 137         vector_types_convertible_p to allow emission of note.
 138         (digest_init): Likewise.
 139         * c-opts.c: Handle -flax-vector-conversions.
 140         * c-common.c (flag_lax_vector_conversions): New.
 141         (vector_types_convertible_p): Unless -flax-vector conversions
 142         has been passed, disallow conversions between vectors with
 143         differing numbers of subparts and/or element types.  If such
 144         a conversion is disallowed, possibly emit a note on the first
 145         occasion only to inform the user of -flax-vector-conversions.
 146         The new last argument specifies this.
 147         * c-common.h (flag_lax_vector_conversions): New.
 148         (vector_types_convertible_p): Add extra argument.
 149         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
 150         char_type_node for V*QI type vectors.
 151         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
 152         Update to satisfy new typechecking rules.
 153         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
 154         C and C++ variants.
 155         * doc/invoke.texi (C Dialect Options): Document
 156         -flax-vector-conversions.
 157
 158 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 159
 160         PR tree-optimization/29877
 161         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
 162         a register variable on the RHS to not be replaceable.
 163
 164 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
 165         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
 166         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
 167         const_simm15, const_pow2, const_npow2): Added.
 168         * config/score/misc.md (insv, extv, extzv, movmemsi,
 169         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
 170         * config/score/score.c (score_address_cost, score_select_cc_mode):
 171         Added.
 172         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
 173         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
 174         Update score_print_operand.
 175         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
 176         Adjust register allocate order and update some macro define.
 177         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
 178         mdx_block_move_straight, mdx_block_move_loop_head,
 179         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
 180         mdx_block_move): Added.
 181         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
 182         mdp_limm): Updated and fix some bug and typo.
 183         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
 184         (movsf, movdf, doloop_end): Added.
 185
 186 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 187
 188         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
 189         config/arm/thumb2.md: Fix comment typos.
 190         * doc/extend.texi: Fix a typo.
 191
 192 2007-01-07  Eric Christopher  <echristo@apple.com>
 193
 194         * configure.ac: Check for __stack_chk_fail for darwin.
 195         * configure: Regenerate.
 196
 197 2007-01-07  Richard Guenther  <rguenther@suse.de>
 198
 199         * tree-vrp.c (extract_range_from_assert): CSE calls to
 200         compare_values where possible.
 201         (extract_range_from_unary_expr): Likewise.
 202
 203 2007-01-07  Anatoly Sokolov <aesok@post.ru>
 204
 205         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
 206         * config/avr/avr.c (call_insn_operand): Delete function.
 207         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
 208         instead of register number. Use predicates.
 209         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
 210         call_insn_operand): Add.
 211
 212 2007-01-06  Jan Hubicka  <jh@suse.cz>
 213
 214         * tree-pass.h (pass_build_cgraph_edges): Declare.
 215         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
 216         (visited_nodes): Remove.
 217         (cgraph_create_edges): Move to cgraphbuild.c; rename to
 218         build_cgrpah_edges; make visited_nodes local.
 219         (cgraph_process_new_functions): DO not call initialize_inline_failed.
 220         (record_references_in_initializer): Move to cgraphbuild.c
 221         (initialize_inline_failed, rebuild_cgraph_edges,
 222         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
 223         (verify_cgraph_node): Make visited_nodes local.
 224         (cgraph_analyze_function): Do not call cgraph_create_edges and
 225         initialize_inline_failed.
 226         (cgraph_expand_function): Do not call cgraph_lower_function;
 227         assert that function is already lowered.
 228         * Makefile.in (cgraphbuild.o): New.
 229         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
 230         at the end of lowering passes.
 231
 232 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
 233
 234         * ifcvt.c (cond_move_convert_if_block): New function, code
 235         factored out from...
 236         (cond_move_process_if_block): ...here.  Call the new function
 237         on the THEN and ELSE blocks.
 238         (merge_if_block): Do not copy global_live_at_end, merge_blocks
 239         already takes care of this.
 240
 241 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 242
 243         PR c/19978
 244         * tree.h (TREE_OVERFLOW_P): New.
 245         * c-typeck.c (parser_build_unary_op): Warn only if result
 246         overflowed and operands did not.
 247         (parser_build_binary_op): Likewise.
 248         (convert_for_assignment): Remove redundant overflow_warning.
 249         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
 250
 251 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 252
 253         * c-typeck.c (store_init_value): Split over two lines to follow
 254         the GNU coding style.
 255
 256 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
 257
 258         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
 259         __GXX_EXPERIMENTAL_CXX0X__.
 260         * doc/cpp.texi: Same.
 261
 262 2007-01-05  Richard Guenther  <rguenther@suse.de>
 263
 264         PR middle-end/27826
 265         * tree.c (get_narrower): Do not construct COMPONENT_REFs
 266         with mismatched types.  Instead explicitly build a
 267         conversion NOP_EXPR.
 268
 269 2007-01-05  Ian Lance Taylor  <iant@google.com>
 270
 271         * c-common.c (decl_with_nonnull_addr_p): New function.
 272         (c_common_truthvalue_conversion): Call it.
 273         * c-typeck.c (build_binary_op): Likewise.
 274         * c-common.h (decl_with_nonnull_addr_p): Declare.
 275
 276 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
 277
 278         PR c/30360
 279         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
 280         denom against 0.0.
 281
 282 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
 283
 284         * doc/install.texi (Final install): Document the fact that
 285         the GNAT runtime should not be stripped.
 286
 287 2007-01-04  Jan Hubicka  <jh@suse.cz>
 288
 289         * tree-inline.c (fold_marked_statements): Update operand caches
 290         and EH after folding
 291
 292 2007-01-04  Ian Lance Taylor  <iant@google.com>
 293
 294         * c-common.c (check_function_nonnull): Whitespace fix.
 295
 296 2007-01-04  Jan Hubicka  <jh@suse.cz>
 297
 298         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
 299         comitted older version of patch.
 300         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
 301         function, celanup cfg and collect garbage.
 302
 303 2007-01-04  Mike Stump  <mrs@apple.com>
 304
 305         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
 306         (clean): Likewise.
 307
 308 2007-01-04  Eric Christopher  <echristo@apple.com>
 309
 310         * libgcc2.c (__bswapsi2): Use SItype.
 311         (__bswapdi2): Use DItype.
 312         * libgcc2.h: Update for above.
 313
 314 2007-01-04  Paul Brook  <paul@codesourcery.com>
 315
 316         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
 317         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
 318         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
 319         umulsidi3, umulsidi3adddi, smulsi3_highpart,
 320         umulsi3_highpart): Make conditional on !arm_arch6.
 321         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
 322         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
 323         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
 324         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
 325         umulsi3_highpart_v6): New insns.
 326
 327 2007-01-04  Roger Sayle  <roger@eyesopen.com>
 328
 329         * fold-const.c (fold_convert): When casting an expression to void,
 330         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
 331         have a type.  Instead of attempting to build a NOP_EXPR, return
 332         these "special" trees directly.
 333
 334 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
 335
 336         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
 337         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
 338         rs6000_cost->fp not 0 as adjustment for outer NEG.
 339
 340 2007-01-04  Jan Hubicka  <jh@suse.cz>
 341
 342         * cgraph.c (cgraph_release_function_body): New function.
 343         (cgraph_remove_node): Use it.
 344         * cgraph.h (cgraph_release_function_body): Declare.
 345         * cgraphunit.c (cgraph_expand_function): Use it.
 346         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
 347         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
 348         is initialized and while compilation of other function is running.
 349         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
 350         statement CFG annotations from here to ...
 351         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
 352
 353 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
 354
 355         * cfgloop.h (enum li_flags): Make the constants powers of two.
 356
 357 2007-01-04  Jan Hubicka  <jh@suse.cz>
 358
 359         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
 360         set.
 361         (fold_marked_statements): New function.
 362         (optimize_inline_calls, tree_function_versioning): Fold new statements.
 363         * tree-inline.h (copy_body_data): Add statements_to_fold.
 364
 365 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
 366
 367         * config.gcc: Mention libgcc/config.host.
 368         * Makefile.in: Update comments mentioning libgcc.
 369         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
 370         (all.cross, start.encap, rest.encap, rest.cross): Update
 371         dependencies for libgcc move.
 372         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
 373         (clean-target, clean-target-libgcc): Delete.
 374         (srcdirify, GCC_EXTRA_PARTS): New macros.
 375         (libgcc-support, libgcc.mvars): New rules.
 376         (distclean): Remove mention of mklibgcc.
 377         (install): Don't reference INSTALL_LIBGCC.
 378         (install-common): Don't reference EXTRA_PARTS.
 379         (install-libgcc, install-multilib): Delete rules.
 380         * mklibgcc.in: Delete file.
 381         * doc/configfiles.texi: Don't mention mklibgcc.
 382
 383         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
 384         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
 385         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
 386         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
 387         (mklibgcc, ldblspecs): Likewise.
 388
 389         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
 390         (posixpre.def): Use $(T).
 391         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
 392         (SHLIB_SRC, SHLIB_INSTALL): Delete.
 393         (SHLIB_LINK): Make dummy.
 394         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
 395
 396         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
 397
 398         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
 399         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
 400         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
 401         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
 402
 403         * configure.ac (all_outputs): Remove mklibgcc.
 404         * configure: Regenerated.
 405
 406 2007-01-03  Josh Conner  <jconner@apple.com>
 407
 408         PR middle-end/29683
 409         * calls.c (compute_argument_addresses): Set stack and stack_slot
 410         for partial args, too.
 411         (store_one_arg): Use locate.size.constant for the size when
 412         generating a save_area.
 413
 414 2007-01-03  Robert Kennedy <jimbob@google.com>
 415
 416         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
 417         whose definitions are deleted due to basic block merging.
 418
 419 2007-01-03  Paul Brook  <paul@codesourcery.com>
 420
 421         PR target/16634
 422         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
 423         functions.
 424         (use_return_insn): Return 0 for Thumb interrupt functions.
 425         (print_multi_reg): Add rfe argument for IRQ returns.
 426         (arm_output_epilogue): Pop interrupt return address directly into PC.
 427         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
 428
 429 2007-01-03  Paul Brook  <paul@codesourcery.com>
 430
 431         Merge from sourcerygxx-4_1.
 432         * config/arm/thumb2.md: New file.
 433         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
 434         Thumb-2.
 435         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
 436         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 437         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
 438         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
 439         tables.
 440         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 441         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
 442         comptibility.
 443         * config/arm/ieee754-sf.S: Ditto.
 444         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
 445         (thumb1_base_register_rtx_p): ... to this.
 446         (thumb_index_register_rtx_p): Rename...
 447         (thumb1_index_register_rtx_p): ... to this.
 448         (thumb_output_function_prologue): Rename...
 449         (thumb1_output_function_prologue): ... to this.
 450         (thumb_legitimate_address_p): Rename...
 451         (thumb1_legitimate_address_p): ... to this.
 452         (thumb_rtx_costs): Rename...
 453         (thumb1_rtx_costs): ... to this.
 454         (thumb_compute_save_reg_mask): Rename...
 455         (thumb1_compute_save_reg_mask): ... to this.
 456         (thumb_final_prescan_insn): Rename...
 457         (thumb1_final_prescan_insn): ... to this.
 458         (thumb_expand_epilogue): Rename...
 459         (thumb1_expand_epilogue): ... to this.
 460         (arm_unwind_emit_stm): Rename...
 461         (arm_unwind_emit_sequence): ... to this.
 462         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
 463         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
 464         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
 465         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
 466         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
 467         thumb2_output_casesi): New functions.
 468         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
 469         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
 470         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
 471         THUMB2_WORK_REGS): Define.
 472         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
 473         arm_condexec_mask, arm_condexec_masklen)): New variables.
 474         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
 475         (arm_override_options): Check new CPU capabilities.
 476         Set new architecture flag variables.
 477         (arm_isr_value): Handle v7m interrupt functions.
 478         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
 479         Thumb-2.
 480         (const_ok_for_arm): Handle Thumb-2 constants.
 481         (arm_gen_constant): Ditto.  Use movw when available.
 482         (arm_function_ok_for_sibcall): Return false for v7m interrupt
 483         functions.
 484         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
 485         (thumb_find_work_register, arm_load_pic_register,
 486         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
 487         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
 488         print_multi_reg, output_mov_long_double_fpa_from_arm,
 489         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
 490         output_mov_double_fpa_from_arm, output_move_double,
 491         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
 492         output_return_instruction, arm_output_function_prologue,
 493         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
 494         arm_output_mi_thunk, thumb_set_return_address): Ditto.
 495         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
 496         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
 497         (arithmetic_instr, shift_op): Use arm_shift_nmem.
 498         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
 499         '!' and 'L'.
 500         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
 501         (thumb_expand_prologue): Use thumb_set_frame_pointer.
 502         (arm_file_start): Output directive for unified syntax.
 503         (arm_unwind_emit_set): Handle stack alignment instruction.
 504         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
 505         Add v6t2, v7, v7a, v7r and v7m.
 506         (RETLDM): Add Thumb-2 code.
 507         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
 508         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
 509         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
 510         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
 511         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
 512         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
 513         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
 514         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
 515         ADJUST_INSN_LENGTH): Define.
 516         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
 517         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
 518         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
 519         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
 520         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
 521         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
 522         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
 523         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
 524         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
 525         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
 526         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
 527         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
 528         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
 529         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
 530         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
 531         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
 532         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
 533         cortex-m3.
 534         * config/arm/arm-tune.md: Regenerate.
 535         * config/arm/arm-protos.h: Update prototypes.
 536         * config/arm/vfp.md: Enable patterns for Thumb-2.
 537         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
 538         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
 539         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
 540         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
 541         * config/arm/libunwind.S: Add Thumb-2 code.
 542         * config/arm/constraints.md: Update include Thumb-2.
 543         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
 544         * config/arm/ieee754-df.S: Ditto.
 545         * config/arm/bpabi.S: Ditto.
 546         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
 547         * config/arm/predicates.md (low_register_operand,
 548         low_reg_or_int_operand, thumb_16bit_operator): New.
 549         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
 550         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
 551         * config/arm/t-arm-elf: Add armv7 multilib.
 552         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
 553         Include thumb2.md.
 554         (UNSPEC_STACK_ALIGN, ce_count): New.
 555         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
 556         arm_zero_extendsidi2, arm_zero_extendqidi2): New
 557         insns/expanders.
 558         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
 559         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
 560         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
 561         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
 562         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
 563         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
 564         insns.
 565         * doc/extend.texi: Document ARMv7-M interrupt functions.
 566         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
 567
 568 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
 569
 570         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
 571         (struct _Unwind_Context): Rename args_size to flags, remove
 572         signal_frame field, add a new args_size field and version field.
 573         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
 574         _Unwind_IsExtendedContext): New inline functions.
 575         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
 576         Assume by_value array is only present if _Unwind_IsExtendedContext.
 577         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
 578         _Unwind_IsSignalFrame.
 579         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
 580         (uw_update_context_1): Use _Unwind_SetSignalFrame.
 581         (uw_init_context_1): Initialize context->flags to
 582         EXTENDED_CONTEXT_BIT.
 583         * config/rs6000/linux-unwind.h (frob_update_context): Use
 584         _Unwind_SetSignalFrame.
 585
 586 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 587
 588         PR middle-end/30353
 589         * gimplify.c (gimplify_modify_expr_complex_part): Move below
 590         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
 591         the value.
 592
 593 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
 594
 595         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
 596         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
 597         RET, AT_SP): Remove.
 598         * config/i386/i386.md (*sse_prologue_save_insn): Use return
 599         instead of RET.
 600
 601         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 602         * cfgbuild.c (find_basic_blocks): Likewise.
 603         * cfgrtl.c (rtl_create_basic_block): Likewise.
 604         * function.c (temp_slots_at_level): Likewise.
 605         * reg-stack.c (stack_regs_mentioned): Likewise.
 606         * regclass.c (allocate_reg_info): Likewise.
 607         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 608         set_bb_for_stmt, move_block_to_fn): Likewise.
 609         * tree-complex.c (tree_lower_complex): Likewise.
 610         * vec.h (VEC_safe_grow_cleared): New.
 611
 612         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
 613
 614 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
 615
 616         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
 617         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
 618         to loop_version.
 619         * cfgloopmanip.c (scale_loop_frequencies): Export.
 620         (loopify): Scale the frequencies by prescribed coefficients.
 621         (set_zero_probability): New function.
 622         (duplicate_loop_to_header_edge): Improve updating of frequencies.
 623         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
 624         and frequencies according to arguments.
 625         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
 626         correctly.
 627         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
 628         * modulo-sched.c (sms_schedule): Set probabilities for entering
 629         versioned loop correctly.
 630         * tree-vect-transform.c (vect_transform_loop): Ditto.
 631         * cfgloop.h (loopify, loop_version): Declaration changed.
 632         (scale_loop_frequencies): Declared.
 633
 634 2007-01-02  Jan Hubicka  <jh@suse.cz>
 635
 636         * cgraph.c: Include tree-flow.h
 637         (cgraph_add_new-function): Handle IPA_SSA mode; execute
 638         early_local_passes.
 639         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
 640         * tree-pass.h (pass_all_early_optimizations): Declare.
 641         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
 642         early_local_passes.
 643         (cgraph_analyze_function): Do early_local_passes.
 644         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 645         Do not add referenced vars.
 646         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
 647         SSA form.
 648         (gate_all_early_local_passes): New gate.
 649         (pass_early_local_passes): Use new gate.
 650         (execute_early_local_optimizations): New functions.
 651         (gate_all_early_optimizations): New gate.
 652         (pass_all_early_optimizations): New pass.
 653         (execute_free_datastructures): Free SSA only when initialized.
 654         (gate_init_datastructures): Init only when optimizing.
 655         (tree_lowering_passes): Do early local passes when called late.
 656         * tree-profile.c (do_tree_profiling): Don't profile functions added
 657         late.
 658         (do_early_tree_profiling, pass_early_tree_profile): Kill.
 659         * tree-cfg.c (update_modified_stmts): Do not update when operands are
 660         not active.
 661         * passes.c (init_optimizations_passes): Reorder so we go into SSA
 662         during early_local_passes.
 663         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
 664
 665
 666 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 667
 668         * Makefile.in: Update copyright year.
 669
 670 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 671
 672         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
 673         in $(lang_checks) and check-consistency targets.
 674
 675 2007-01-02  Jan Hubicka  <jh@suse.cz>
 676
 677         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 678         Do not add referenced vars.
 679         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
 680         are not active.
 681         * passes.c (init_optimization_passes): Put mudflap_2 after
 682         free_datastructures.
 683
 684 2007-01-02  Jan Hubicka  <jh@suse.cz>
 685
 686         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
 687         Set NOTHROW flag on call statements proved to be nothrow.
 688         Update statement of local calls so new pure/const functions are
 689         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
 690         goto receivers.
 691         (tree_rest_of_compilation): Register hooks and initialize bitmap
 692         early. Do not set after_inlining flag.
 693
 694 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
 695
 696         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
 697         HOST_BITS_PER_LONGLONG
 698
 699 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 700
 701         PR c/19977
 702         * c-typeck.c (store_init_value): Don't emit pedantic overflow
 703         warning for non-static initializers.
 704
 705 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
 706
 707         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
 708         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
 709         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
 710         Always use set_unique_reg_note to add REG_EQUAL notes.
 711
 712 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 713
 714         Revert:
 715         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 716
 717         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 718         * cfgbuild.c (find_basic_blocks): Likewise.
 719         * cfgrtl.c (rtl_create_basic_block): Likewise.
 720         * function.c (temp_slots_at_level): Likewise.
 721         * reg-stack.c (stack_regs_mentioned): Likewise.
 722         * regclass.c (allocate_reg_info): Likewise.
 723         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 724         set_bb_for_stmt, move_block_to_fn): Likewise.
 725         * tree-complex.c (tree_lower_complex): Likewise.
 726         * vec.h (VEC_safe_grow_cleared): New.
 727
 728 2007-01-02  Ian Lance Taylor  <iant@google.com>
 729
 730         * c-common.c (c_common_truthvalue_conversion): When warning about
 731         using an assignment as a truth value, set TREE_NO_WARNING.
 732
 733 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 734
 735         PR middle-end/7651
 736         * c.opt (Wold-style-declaration): New.
 737         * doc/invoke.texi (C-only Warning Options): New.
 738         (Wold-style-declaration): Document it.
 739         (Wextra): Enabled by -Wextra.
 740         * c-opts.c (c_common_post_options): Enabled by -Wextra.
 741         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
 742         -Wold-style-declaration.
 743
 744 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 745
 746         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 747         * cfgbuild.c (find_basic_blocks): Likewise.
 748         * cfgrtl.c (rtl_create_basic_block): Likewise.
 749         * function.c (temp_slots_at_level): Likewise.
 750         * reg-stack.c (stack_regs_mentioned): Likewise.
 751         * regclass.c (allocate_reg_info): Likewise.
 752         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 753         set_bb_for_stmt, move_block_to_fn): Likewise.
 754         * tree-complex.c (tree_lower_complex): Likewise.
 755         * vec.h (VEC_safe_grow_cleared): New.
 756
 757 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
 758
 759         * c-common.c(c_common_nodes_and_builtins): Since variants of
 760         void_type_node get built before it is given a name, we need to
 761         give those variants the name, too.
 762         (complete_array_type): We need to work with the canonical main
 763         type of the array, from which we will build the qualified version.
 764         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
 765         * print-tree.c (print_node): Display canonical type information
 766         for each type.
 767         * stor-layout.c (layout_type): When we don't know the
 768         alignment of a type for which we're building an array, we end up
 769         guessing wrong, so make the type require structural equality.
 770         * tree.c (make_node_stat): When we build a new type, it is its
 771         own canonical type.
 772         (build_type_attribute_qual_variant): When building an attribute
 773         variant, its canonical type is the non-attribute variant. However,
 774         if the attributes are target-dependent and they differ, we need to
 775         use structural equality checks for this type.
 776         (build_qualified_type): A qualified type is not equivalent to its
 777         unqualified variant; set the canonical type appropriately.
 778         (build_distinct_type_copy): When building a distinct type from
 779         another type, the new type is its own canonical type.
 780         (build_variant_type_copy): When building a new type variant, we
 781         assume that it is equivalent to the original type.
 782         (build_pointer_type_for_mode): When building a pointer type, also
 783         build a canonical type pointer.
 784         (build_reference_type_for_mode): When building a reference type,
 785         also build a canonical type reference.
 786         (build_index_type): When we can't hash an index type (e.g.,
 787         because its maximum value is negative), the index type requires
 788         structural equality tests.
 789         (build_array_type): Build the canonical form of an array type.
 790         (build_function_type): Function types require structural equality,
 791         because they contain default arguments, attributes, etc.
 792         (build_method_type_directly): Ditto for method types.
 793         (build_offset_type): Build the canonical offset type.
 794         (build_complex_type): Build the canonical vector type.
 795         (make_vector_type): Build the canonical vector type.
 796         * tree.h (TYPE_CANONICAL): New.
 797         (TYPE_STRUCTURAL_EQUALITY_P): New.
 798         (SET_TYPE_STRUCTURAL_EQUALITY): New.
 799         (struct tree_type): Added "canonical" field.
 800         * params.h (VERIFY_CANONICAL_TYPES): New.
 801         * doc/c-tree.texi (TYPE_CANONICAL): Document.
 802         (TYPE_STRUCTURAL_EQUALITY_P): Document.
 803         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
 804         * doc/invoke.texi (verify-canonical-types): Document --param
 805         parameter for verifying canonical types.
 806
 807 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 808
 809         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
 810         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
 811         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
 812         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
 813         tm_file.
 814         * config/rs6000/e500.h: New.
 815         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
 816         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
 817         Remove.
 818         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
 819         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
 820         TARGET_E500_DOUBLE): Remove.
 821         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
 822         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
 823         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
 824         * config/rs6000/rs6000.c (rs6000_override_options): Use
 825         CHECK_E500_OPTIONS.
 826
 827 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 828
 829         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
 830         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
 831         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
 832         rs6000_emit_cmove): Don't check TARGET_E500.
 833         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
 834         sordered): Don't check TARGET_E500.
 835
 836 2007-01-01  Eric Christopher  <echristo@apple.com>
 837
 838         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
 839         HARD_REGISTER_NUM_P.
 840
 841 2007-01-01  Roger Sayle  <roger@eyesopen.com>
 842
 843         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
 844         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
 845         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
 846         eq/ne Y".
 847
 848 2007-01-01  Mike Stump  <mrs@apple.com>
 849
 850         * configure.ac: Remove support for building with Apple's gcc-3.1.
 851
 852 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 853
 854         PR middle-end/30311
 855         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
 856         REG is a hard register.  Do not modify REG before calling
 857         subreg_nregs.
 858         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
 859         multiple of the size of YMODE for certain lowpart cases.
 860
 861 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 862
 863         PR middle-end/30253
 864         * gimplify (voidify_wrapper_expr): Update for
 865         GIMPLE_MODIFY_STMT.
 866
 867 2007-01-01  Andreas Schwab  <schwab@suse.de>
 868
 869         PR target/29166
 870         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
 871         save of BR0 in extra_spill_size instead of spill_size.
 872         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
 873         area.
 874         (ia64_expand_epilogue): Restore BR0 from its new location.
 875
 876 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 877
 878         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
 879         Use a temporary variable if the left hand side is not a gimple
 880         register.
 881
 882 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 883
 884         * gimplify.c (gimplify_return_expr): Make the temporary variable
 885         for the return expression, a gimple register variable.
 886
 887 2007-01-01  Jan Hubicka  <jh@suse.cz>
 888
 889         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
 890         INSN_LIST.
 891
 892 2007-01-01  Mike Stump  <mrs@apple.com>
 893
 894         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
 895         .literal16.
 896         * config/darwin.c (machopic_select_rtx_section): Use
 897         HAVE_GAS_LITERAL16.
 898         (darwin_mergeable_constant_section): Likewise.
 899         * configure: Regenerate.
 900         * config.in: Regenerate.
 901
 902 2007-01-01  Jan Hubicka  <jh@suse.cz>
 903             Andrew Pinski  <pinskia@gmail.com>
 904
 905         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
 906         before starting IPA passes.