+2006-01-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * 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 <jh@suse.cz>
+
+ * 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 <carlos@codesourcery.com>
+
+ * Makefile.in: Update copyright year.
+
+2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
+ in $(lang_checks) and check-consistency targets.
+
+2007-01-02 Jan Hubicka <jh@suse.cz>
+
+ * 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 <jh@suse.cz>
+
+ * 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 <sje@cup.hp.com>
+
+ * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
+ HOST_BITS_PER_LONGLONG
+
+2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/19977
+ * c-typeck.c (store_init_value): Don't emit pedantic overflow
+ warning for non-static initializers.
+
+2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
+
+ * 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 <kazu@codesourcery.com>
+
+ Revert:
+ 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <manu@gcc.gnu.org>
+
+ 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 <kazu@codesourcery.com>
+
+ * 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 <doug.gregor@gmail.com>
+
+ * 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 <joseph@codesourcery.com>
+
+ * 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 <joseph@codesourcery.com>
+
+ * 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 <echristo@apple.com>
+
+ * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
+ HARD_REGISTER_NUM_P.
+
+2007-01-01 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_binary) <EQ_EXPR>: 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 <mrs@apple.com>
+
+ * configure.ac: Remove support for building with Apple's gcc-3.1.
+
+2007-01-02 Joseph Myers <joseph@codesourcery.com>
+
+ 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 <pinskia@gmail.com>
+
+ PR middle-end/30253
+ * gimplify (voidify_wrapper_expr): Update for
+ GIMPLE_MODIFY_STMT.
+
2007-01-01 Andreas Schwab <schwab@suse.de>
PR target/29166
* cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
before starting IPA passes.
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