2006-01-03 Zdenek Dvorak * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify. * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities to loop_version. * cfgloopmanip.c (scale_loop_frequencies): Export. (loopify): Scale the frequencies by prescribed coefficients. (set_zero_probability): New function. (duplicate_loop_to_header_edge): Improve updating of frequencies. (lv_adjust_loop_entry_edge, loop_version): Set probabilities and frequencies according to arguments. * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities correctly. * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up. * modulo-sched.c (sms_schedule): Set probabilities for entering versioned loop correctly. * tree-vect-transform.c (vect_transform_loop): Ditto. * cfgloop.h (loopify, loop_version): Declaration changed. (scale_loop_frequencies): Declared. 2007-01-02 Jan Hubicka * cgraph.c: Include tree-flow.h (cgraph_add_new-function): Handle IPA_SSA mode; execute early_local_passes. * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA. * tree-pass.h (pass_all_early_optimizations): Declare. * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute early_local_passes. (cgraph_analyze_function): Do early_local_passes. * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): Do not add referenced vars. * tree-optimize.c (gate_all_optimizations): Do not execute when not in SSA form. (gate_all_early_local_passes): New gate. (pass_early_local_passes): Use new gate. (execute_early_local_optimizations): New functions. (gate_all_early_optimizations): New gate. (pass_all_early_optimizations): New pass. (execute_free_datastructures): Free SSA only when initialized. (gate_init_datastructures): Init only when optimizing. (tree_lowering_passes): Do early local passes when called late. * tree-profile.c (do_tree_profiling): Don't profile functions added late. (do_early_tree_profiling, pass_early_tree_profile): Kill. * tree-cfg.c (update_modified_stmts): Do not update when operands are not active. * passes.c (init_optimizations_passes): Reorder so we go into SSA during early_local_passes. * Makefile.in (cgraph.o): Add dependency on tree-flow.h. 2007-01-02 Carlos O'Donell * Makefile.in: Update copyright year. 2007-01-02 Carlos O'Donell * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST) in $(lang_checks) and check-consistency targets. 2007-01-02 Jan Hubicka * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): Do not add referenced vars. * tree-cfg.c (update_modified_stmts): Do not update when SSA operands are not active. * passes.c (init_optimization_passes): Put mudflap_2 after free_datastructures. 2007-01-02 Jan Hubicka * tree-optimize (execute_fixup_cfg): Set after_inlining flag. Set NOTHROW flag on call statements proved to be nothrow. Update statement of local calls so new pure/const functions are updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal goto receivers. (tree_rest_of_compilation): Register hooks and initialize bitmap early. Do not set after_inlining flag. 2007-01-02 Steve Ellcey * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to HOST_BITS_PER_LONGLONG 2007-01-02 Manuel Lopez-Ibanez PR c/19977 * c-typeck.c (store_init_value): Don't emit pedantic overflow warning for non-static initializers. 2007-01-02 Steven Bosscher * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md, m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c, rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c: Always use set_unique_reg_note to add REG_EQUAL notes. 2007-01-02 Kazu Hirata Revert: 2007-01-02 Kazu Hirata * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. * cfgbuild.c (find_basic_blocks): Likewise. * cfgrtl.c (rtl_create_basic_block): Likewise. * function.c (temp_slots_at_level): Likewise. * reg-stack.c (stack_regs_mentioned): Likewise. * regclass.c (allocate_reg_info): Likewise. * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, set_bb_for_stmt, move_block_to_fn): Likewise. * tree-complex.c (tree_lower_complex): Likewise. * vec.h (VEC_safe_grow_cleared): New. 2007-01-02 Ian Lance Taylor * c-common.c (c_common_truthvalue_conversion): When warning about using an assignment as a truth value, set TREE_NO_WARNING. 2007-01-02 Manuel Lopez-Ibanez PR middle-end/7651 * c.opt (Wold-style-declaration): New. * doc/invoke.texi (C-only Warning Options): New. (Wold-style-declaration): Document it. (Wextra): Enabled by -Wextra. * c-opts.c (c_common_post_options): Enabled by -Wextra. * c-decl.c (declspecs_add_scspec): Replace -Wextra with -Wold-style-declaration. 2007-01-02 Kazu Hirata * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. * cfgbuild.c (find_basic_blocks): Likewise. * cfgrtl.c (rtl_create_basic_block): Likewise. * function.c (temp_slots_at_level): Likewise. * reg-stack.c (stack_regs_mentioned): Likewise. * regclass.c (allocate_reg_info): Likewise. * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, set_bb_for_stmt, move_block_to_fn): Likewise. * tree-complex.c (tree_lower_complex): Likewise. * vec.h (VEC_safe_grow_cleared): New. 2007-01-02 Douglas Gregor * c-common.c(c_common_nodes_and_builtins): Since variants of void_type_node get built before it is given a name, we need to give those variants the name, too. (complete_array_type): We need to work with the canonical main type of the array, from which we will build the qualified version. * params.def (PARAM_VERIFY_CANONICAL_TYPES): New. * print-tree.c (print_node): Display canonical type information for each type. * stor-layout.c (layout_type): When we don't know the alignment of a type for which we're building an array, we end up guessing wrong, so make the type require structural equality. * tree.c (make_node_stat): When we build a new type, it is its own canonical type. (build_type_attribute_qual_variant): When building an attribute variant, its canonical type is the non-attribute variant. However, if the attributes are target-dependent and they differ, we need to use structural equality checks for this type. (build_qualified_type): A qualified type is not equivalent to its unqualified variant; set the canonical type appropriately. (build_distinct_type_copy): When building a distinct type from another type, the new type is its own canonical type. (build_variant_type_copy): When building a new type variant, we assume that it is equivalent to the original type. (build_pointer_type_for_mode): When building a pointer type, also build a canonical type pointer. (build_reference_type_for_mode): When building a reference type, also build a canonical type reference. (build_index_type): When we can't hash an index type (e.g., because its maximum value is negative), the index type requires structural equality tests. (build_array_type): Build the canonical form of an array type. (build_function_type): Function types require structural equality, because they contain default arguments, attributes, etc. (build_method_type_directly): Ditto for method types. (build_offset_type): Build the canonical offset type. (build_complex_type): Build the canonical vector type. (make_vector_type): Build the canonical vector type. * tree.h (TYPE_CANONICAL): New. (TYPE_STRUCTURAL_EQUALITY_P): New. (SET_TYPE_STRUCTURAL_EQUALITY): New. (struct tree_type): Added "canonical" field. * params.h (VERIFY_CANONICAL_TYPES): New. * doc/c-tree.texi (TYPE_CANONICAL): Document. (TYPE_STRUCTURAL_EQUALITY_P): Document. (SET_TYPE_STRUCTURAL_EQUALITY): Document. * doc/invoke.texi (verify-canonical-types): Document --param parameter for verifying canonical types. 2007-01-02 Joseph Myers * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*, powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*, powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae, powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to tm_file. * config/rs6000/e500.h: New. * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE): Remove. * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE): Remove. * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove. * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define. * config/rs6000/rs6000.c (rs6000_override_options): Use CHECK_E500_OPTIONS. 2007-01-02 Joseph Myers * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE || TARGET_E500_DOUBLE), not TARGET_E500, for %y. (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch, rs6000_emit_cmove): Don't check TARGET_E500. * config/rs6000/rs6000.md (bunordered, bordered, sunordered, sordered): Don't check TARGET_E500. 2007-01-01 Eric Christopher * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use HARD_REGISTER_NUM_P. 2007-01-01 Roger Sayle * fold-const.c (fold_binary) : Fold "(X^C1) eq/ne C2" into "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2)) eq/ne Y". 2007-01-01 Mike Stump * configure.ac: Remove support for building with Apple's gcc-3.1. 2007-01-02 Joseph Myers PR middle-end/30311 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner REG is a hard register. Do not modify REG before calling subreg_nregs. * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a multiple of the size of YMODE for certain lowpart cases. 2007-01-01 Andrew Pinski PR middle-end/30253 * gimplify (voidify_wrapper_expr): Update for GIMPLE_MODIFY_STMT. 2007-01-01 Andreas Schwab PR target/29166 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for save of BR0 in extra_spill_size instead of spill_size. (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill area. (ia64_expand_epilogue): Restore BR0 from its new location. 2007-01-01 Andrew Pinski * gimplify.c (gimplify_init_constructor ): Use a temporary variable if the left hand side is not a gimple register. 2007-01-01 Andrew Pinski * gimplify.c (gimplify_return_expr): Make the temporary variable for the return expression, a gimple register variable. 2007-01-01 Jan Hubicka * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for INSN_LIST. 2007-01-01 Mike Stump * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for .literal16. * config/darwin.c (machopic_select_rtx_section): Use HAVE_GAS_LITERAL16. (darwin_mergeable_constant_section): Likewise. * configure: Regenerate. * config.in: Regenerate. 2007-01-01 Jan Hubicka Andrew Pinski * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions before starting IPA passes.