gcc/ChangeLog

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