gcc/ChangeLog

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