gcc/ChangeLog

   1 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
   2
   3         PR middle-end/30353
   4         * gimplify.c (gimplify_modify_expr_complex_part): Move below
   5         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
   6         the value.
   7
   8 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
   9
  10         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
  11         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
  12         RET, AT_SP): Remove.
  13         * config/i386/i386.md (*sse_prologue_save_insn): Use return
  14         instead of RET.
  15
  16         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
  17         * cfgbuild.c (find_basic_blocks): Likewise.
  18         * cfgrtl.c (rtl_create_basic_block): Likewise.
  19         * function.c (temp_slots_at_level): Likewise.
  20         * reg-stack.c (stack_regs_mentioned): Likewise.
  21         * regclass.c (allocate_reg_info): Likewise.
  22         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
  23         set_bb_for_stmt, move_block_to_fn): Likewise.
  24         * tree-complex.c (tree_lower_complex): Likewise.
  25         * vec.h (VEC_safe_grow_cleared): New.
  26
  27         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
  28
  29 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
  30
  31         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
  32         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
  33         to loop_version.
  34         * cfgloopmanip.c (scale_loop_frequencies): Export.
  35         (loopify): Scale the frequencies by prescribed coefficients.
  36         (set_zero_probability): New function.
  37         (duplicate_loop_to_header_edge): Improve updating of frequencies.
  38         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
  39         and frequencies according to arguments.
  40         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
  41         correctly.
  42         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
  43         * modulo-sched.c (sms_schedule): Set probabilities for entering
  44         versioned loop correctly.
  45         * tree-vect-transform.c (vect_transform_loop): Ditto.
  46         * cfgloop.h (loopify, loop_version): Declaration changed.
  47         (scale_loop_frequencies): Declared.
  48
  49 2007-01-02  Jan Hubicka  <jh@suse.cz>
  50
  51         * cgraph.c: Include tree-flow.h
  52         (cgraph_add_new-function): Handle IPA_SSA mode; execute
  53         early_local_passes.
  54         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
  55         * tree-pass.h (pass_all_early_optimizations): Declare.
  56         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
  57         early_local_passes.
  58         (cgraph_analyze_function): Do early_local_passes.
  59         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
  60         Do not add referenced vars.
  61         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
  62         SSA form.
  63         (gate_all_early_local_passes): New gate.
  64         (pass_early_local_passes): Use new gate.
  65         (execute_early_local_optimizations): New functions.
  66         (gate_all_early_optimizations): New gate.
  67         (pass_all_early_optimizations): New pass.
  68         (execute_free_datastructures): Free SSA only when initialized.
  69         (gate_init_datastructures): Init only when optimizing.
  70         (tree_lowering_passes): Do early local passes when called late.
  71         * tree-profile.c (do_tree_profiling): Don't profile functions added
  72         late.
  73         (do_early_tree_profiling, pass_early_tree_profile): Kill.
  74         * tree-cfg.c (update_modified_stmts): Do not update when operands are
  75         not active.
  76         * passes.c (init_optimizations_passes): Reorder so we go into SSA
  77         during early_local_passes.
  78         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
  79
  80
  81 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
  82
  83         * Makefile.in: Update copyright year.
  84
  85 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
  86
  87         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
  88         in $(lang_checks) and check-consistency targets.
  89
  90 2007-01-02  Jan Hubicka  <jh@suse.cz>
  91
  92         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
  93         Do not add referenced vars.
  94         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
  95         are not active.
  96         * passes.c (init_optimization_passes): Put mudflap_2 after
  97         free_datastructures.
  98
  99 2007-01-02  Jan Hubicka  <jh@suse.cz>
 100
 101         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
 102         Set NOTHROW flag on call statements proved to be nothrow.
 103         Update statement of local calls so new pure/const functions are
 104         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
 105         goto receivers.
 106         (tree_rest_of_compilation): Register hooks and initialize bitmap
 107         early. Do not set after_inlining flag.
 108
 109 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
 110
 111         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
 112         HOST_BITS_PER_LONGLONG
 113
 114 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 115
 116         PR c/19977
 117         * c-typeck.c (store_init_value): Don't emit pedantic overflow
 118         warning for non-static initializers.
 119
 120 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
 121
 122         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
 123         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
 124         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
 125         Always use set_unique_reg_note to add REG_EQUAL notes.
 126
 127 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 128
 129         Revert:
 130         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 131
 132         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 133         * cfgbuild.c (find_basic_blocks): Likewise.
 134         * cfgrtl.c (rtl_create_basic_block): Likewise.
 135         * function.c (temp_slots_at_level): Likewise.
 136         * reg-stack.c (stack_regs_mentioned): Likewise.
 137         * regclass.c (allocate_reg_info): Likewise.
 138         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 139         set_bb_for_stmt, move_block_to_fn): Likewise.
 140         * tree-complex.c (tree_lower_complex): Likewise.
 141         * vec.h (VEC_safe_grow_cleared): New.
 142
 143 2007-01-02  Ian Lance Taylor  <iant@google.com>
 144
 145         * c-common.c (c_common_truthvalue_conversion): When warning about
 146         using an assignment as a truth value, set TREE_NO_WARNING.
 147
 148 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 149
 150         PR middle-end/7651
 151         * c.opt (Wold-style-declaration): New.
 152         * doc/invoke.texi (C-only Warning Options): New.
 153         (Wold-style-declaration): Document it.
 154         (Wextra): Enabled by -Wextra.
 155         * c-opts.c (c_common_post_options): Enabled by -Wextra.
 156         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
 157         -Wold-style-declaration.
 158
 159 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 160
 161         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 162         * cfgbuild.c (find_basic_blocks): Likewise.
 163         * cfgrtl.c (rtl_create_basic_block): Likewise.
 164         * function.c (temp_slots_at_level): Likewise.
 165         * reg-stack.c (stack_regs_mentioned): Likewise.
 166         * regclass.c (allocate_reg_info): Likewise.
 167         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 168         set_bb_for_stmt, move_block_to_fn): Likewise.
 169         * tree-complex.c (tree_lower_complex): Likewise.
 170         * vec.h (VEC_safe_grow_cleared): New.
 171
 172 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
 173
 174         * c-common.c(c_common_nodes_and_builtins): Since variants of
 175         void_type_node get built before it is given a name, we need to
 176         give those variants the name, too.
 177         (complete_array_type): We need to work with the canonical main
 178         type of the array, from which we will build the qualified version.
 179         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
 180         * print-tree.c (print_node): Display canonical type information
 181         for each type.
 182         * stor-layout.c (layout_type): When we don't know the
 183         alignment of a type for which we're building an array, we end up
 184         guessing wrong, so make the type require structural equality.
 185         * tree.c (make_node_stat): When we build a new type, it is its
 186         own canonical type.
 187         (build_type_attribute_qual_variant): When building an attribute
 188         variant, its canonical type is the non-attribute variant. However,
 189         if the attributes are target-dependent and they differ, we need to
 190         use structural equality checks for this type.
 191         (build_qualified_type): A qualified type is not equivalent to its
 192         unqualified variant; set the canonical type appropriately.
 193         (build_distinct_type_copy): When building a distinct type from
 194         another type, the new type is its own canonical type.
 195         (build_variant_type_copy): When building a new type variant, we
 196         assume that it is equivalent to the original type.
 197         (build_pointer_type_for_mode): When building a pointer type, also
 198         build a canonical type pointer.
 199         (build_reference_type_for_mode): When building a reference type,
 200         also build a canonical type reference.
 201         (build_index_type): When we can't hash an index type (e.g.,
 202         because its maximum value is negative), the index type requires
 203         structural equality tests.
 204         (build_array_type): Build the canonical form of an array type.
 205         (build_function_type): Function types require structural equality,
 206         because they contain default arguments, attributes, etc.
 207         (build_method_type_directly): Ditto for method types.
 208         (build_offset_type): Build the canonical offset type.
 209         (build_complex_type): Build the canonical vector type.
 210         (make_vector_type): Build the canonical vector type.
 211         * tree.h (TYPE_CANONICAL): New.
 212         (TYPE_STRUCTURAL_EQUALITY_P): New.
 213         (SET_TYPE_STRUCTURAL_EQUALITY): New.
 214         (struct tree_type): Added "canonical" field.
 215         * params.h (VERIFY_CANONICAL_TYPES): New.
 216         * doc/c-tree.texi (TYPE_CANONICAL): Document.
 217         (TYPE_STRUCTURAL_EQUALITY_P): Document.
 218         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
 219         * doc/invoke.texi (verify-canonical-types): Document --param
 220         parameter for verifying canonical types.
 221
 222 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 223
 224         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
 225         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
 226         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
 227         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
 228         tm_file.
 229         * config/rs6000/e500.h: New.
 230         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
 231         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
 232         Remove.
 233         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
 234         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
 235         TARGET_E500_DOUBLE): Remove.
 236         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
 237         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
 238         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
 239         * config/rs6000/rs6000.c (rs6000_override_options): Use
 240         CHECK_E500_OPTIONS.
 241
 242 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 243
 244         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
 245         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
 246         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
 247         rs6000_emit_cmove): Don't check TARGET_E500.
 248         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
 249         sordered): Don't check TARGET_E500.
 250
 251 2007-01-01  Eric Christopher  <echristo@apple.com>
 252
 253         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
 254         HARD_REGISTER_NUM_P.
 255
 256 2007-01-01  Roger Sayle  <roger@eyesopen.com>
 257
 258         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
 259         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
 260         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
 261         eq/ne Y".
 262
 263 2007-01-01  Mike Stump  <mrs@apple.com>
 264
 265         * configure.ac: Remove support for building with Apple's gcc-3.1.
 266
 267 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 268
 269         PR middle-end/30311
 270         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
 271         REG is a hard register.  Do not modify REG before calling
 272         subreg_nregs.
 273         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
 274         multiple of the size of YMODE for certain lowpart cases.
 275
 276 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 277
 278         PR middle-end/30253
 279         * gimplify (voidify_wrapper_expr): Update for
 280         GIMPLE_MODIFY_STMT.
 281
 282 2007-01-01  Andreas Schwab  <schwab@suse.de>
 283
 284         PR target/29166
 285         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
 286         save of BR0 in extra_spill_size instead of spill_size.
 287         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
 288         area.
 289         (ia64_expand_epilogue): Restore BR0 from its new location.
 290
 291 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 292
 293         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
 294         Use a temporary variable if the left hand side is not a gimple
 295         register.
 296
 297 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 298
 299         * gimplify.c (gimplify_return_expr): Make the temporary variable
 300         for the return expression, a gimple register variable.
 301
 302 2007-01-01  Jan Hubicka  <jh@suse.cz>
 303
 304         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
 305         INSN_LIST.
 306
 307 2007-01-01  Mike Stump  <mrs@apple.com>
 308
 309         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
 310         .literal16.
 311         * config/darwin.c (machopic_select_rtx_section): Use
 312         HAVE_GAS_LITERAL16.
 313         (darwin_mergeable_constant_section): Likewise.
 314         * configure: Regenerate.
 315         * config.in: Regenerate.
 316
 317 2007-01-01  Jan Hubicka  <jh@suse.cz>
 318             Andrew Pinski  <pinskia@gmail.com>
 319
 320         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
 321         before starting IPA passes.