gcc/ChangeLog

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