+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2asm.c (splay_tree_compare_strings): New function.
+ (dw2_force_const_mem): Use it.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (type_hash_add): Don't violate strict aliasing rules.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ PR c/27898
+ * c-typeck.c (tagged_types_tu_compatible_p): Enable exact
+ matches between anonymous union fields.
+
+2007-11-26 Alexandre Oliva <aoliva@redhat.com>, Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-live.c (remove_unused_scope_block_p): Drop
+ declarations and blocks only after inlining. Check that
+ non-empty blocks are not dropped.
+ * tree-inline.c (expand_call_inline): Check that functions are
+ not inlined too late.
+
+2007-11-26 Ben Elliston <bje@au.ibm.com>
+
+ * unwind-dw2-fde.c: Fix comment typo.
+ * unwind-generic.h: Likewise, fix comment typos.
+
+2007-11-25 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * tree-sra.c (scalarize_use): Adjust the vpos argument to
+ sra_explode_bitfield_assignment in cases where the type is
+ wider than the bitfield.
+
+2007-11-25 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (struct tree_block): Move locus member next to
+ flags.
+ * c-decl.c (SCOPE_LIST_APPEND): Use BLOCK_CHAIN.
+ (SCOPE_LIST_CONCAT): Likewise.
+ (pop_scope): Likewise.
+ * function.c (instantiate_decls_1): Likewise.
+ (setjmp_vars_warning): Likewise.
+ * emit-rtl.c (set_used_decls): Likewise.
+ * tree-inline.c (add_lexical_block): Likewise.
+
+2007-11-24 Hans-Peter Nilsson <hp@axis.com>
+
+ * rtlanal.c (label_is_jump_target_p): Return true for a matching
+ REG_LABEL_TARGET.
+ * reorg.c (fill_slots_from_thread): Correct last change to use
+ NULL_RTX, not NULL. Outside of REG_NOTES loop, increase and
+ decrease LABEL_NUSES for JUMP_LABEL (trial), not XEXP (note, 0).
+ * jump.c (mark_jump_label_1): Add comment for last change
+ regarding JUMP_LABEL setting.
+ * gcse.c (add_label_notes): Remove conditional that the label is
+ mentioned in insn before adding regnote.
+ * sched-rgn.c (is_cfg_nonregular): Don't return 1 for a
+ single_set insn only feeding a label to a jump through a
+ register that dies there.
+
+2007-11-23 Dirk Mueller <dmueller@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34197
+ * tree-vrp.c (check_array_ref): Move check for valid location..
+ (check_array_bounds) here. Use EXPR_HAS_LOCATION().
+
+2007-11-23 Hans-Peter Nilsson <hp@axis.com>
+
+ * reload.c (find_reloads_address_1) <autoincdec cases>:
+ Call REG_OK_FOR_CONTEXT with the autoincdec code, not
+ outer_code.
+
+2007-11-23 Richard Guenther <rguenther@suse.de>
+ Michael Matz <matz@suse.de>
+
+ PR tree-optimization/34176
+ * alloc-pool.h (empty_alloc_pool): Declare.
+ * alloc-pool.c (empty_alloc_pool): New function.
+ * tree-ssa-sccvn.c (vn_reference_lookup): Also lookup from the
+ valid table if a lookup from the optimistic table failed.
+ (vn_unary_op_lookup): Likewise.
+ (vn_binary_op_lookup): Likewise.
+ (vn_phi_lookup): Likewise.
+ (process_scc): Clear optimistic tables before every iteration.
+
+2007-11-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-copy.c (may_propagate_copy): Remove redundant
+ checks.
+ (merge_alias_info): Do verification only if checking is
+ enabled. Merge flow-sensitive alias information in simple
+ cases.
+ * tree-ssa-operands.c (get_addr_dereference_operands): Also
+ complain about missing NMTs.
+
+2007-11-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/34198
+ * c-common.c (conversion_warning): For INTEGER_TYPE to
+ INTEGER_TYPE conversions call get_narrower on expr to avoid
+ spurious warnings from binop shortening or when the implicit
+ conversion can't change the value.
+
+2007-11-22 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/14050
+ * c-decl.c (set_array_declarator_inner): Don't give error for
+ static or type qualifiers in abstract declarator. Remove
+ abstract_p parameter.
+ * c-tree.h (set_array_declarator_inner): Update prototype.
+ * c-parser.c (c_parser_direct_declarator_inner): Update call to
+ set_array_declarator_inner.
+ * doc/standards.texi: Update for C99 TC3.
+
+2007-11-22 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Remove duplicate
+ line in my edit of the last change.
+
+2007-11-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/33947
+ * config/arm/arm.c (arm_init_tls_builtins): Set TREE_NOTHROW
+ and TREE_READONLY on the fn decl rather than passing a chain
+ of attributes.
+
+2007-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (divsi_inv_m3): Handle zero dividend
+ specially.
+
+2007-11-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Change checking
+ of ix86_arch and ix86_tune into a switch statement.
+ (enum processor_type): Default PROCESSOR_I386 to 0.
+ * config/i386/i386.c (ix86_decompose_address): Use TARGET_K6 instead
+ of "ix86_tune == PROCESSOR_K6".
+ (ia32_multipass_dfa_lookahead): Change checking of ix86_tune into
+ a switch statement.
+
+2007-11-22 Tom Tromey <tromey@redhat.com>
+
+ * config/mmix/mmix.c (mmix_encode_section_info): Use alloca to
+ avoid writing into string allocated by ggc_alloc_string.
+
+2007-11-21 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/34155
+ * config/sh/sh.md (binary_sf_op): Remove.
+ (binary_sf_op0, binary_sf_op1): New define_insn_and_split.
+ * config/sh/sh.c (sh_expand_binop_v2sf): Use gen_binary_sf_op0
+ and gen_binary_sf_op1.
+
+2007-11-21 Hans-Peter Nilsson <hp@axis.com>
+
+ * regclass.c (init_reg_autoinc): Fix typo preventing test of
+ secondary output reload when setting forbidden_inc_dec_class.
+
+2007-11-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34148
+ * tree-ssa-structalias.c (create_variable_info_for): Do not use
+ field-sensitive PTA for single-element structures.
+ * tree-ssa-alias.c (create_overlap_variables_for): Do not create
+ SFTs for single-element structures.
+
+2007-11-20 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34154
+ * gimplify.c (gimplify_switch_expr): Use tree_int_cst_lt instead
+ of the signed INT_CST_LT.
+ * stmt.c (expand_case): Likewise.
+ (estimate_case_costs): Likewise.
+
+2007-11-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * read-rtl.c (fatal_expected_char): Print EOF as text rather that
+ its binary representation.
+
+2007-11-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_virtual_operand): Consistently prune
+ accesses.
+
+2007-11-20 Thiemo Seufer <ths@mips.com>
+
+ * config/mips/mips.c (mips_file_start): Add support for
+ flagging 32-bit code with -mfp64 floating-point.
+
+2007-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/34146
+ * c-gimplify.c (optimize_compound_literals_in_ctor): New function.
+ (c_gimplify_expr): Use it.
+
+2007-11-20 Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/spu_mfcio.h: Fix typo.
+
+2007-11-20 Ben Elliston <bje@au.ibm.com>
+
+ * unwind.inc: Comment that unwind-sjlj.c includes this file.
+
+2007-11-20 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * config/spu/mfc_tag_release.c: New file.
+ * config/spu/mfc_multi_tag_release.c: Likewise.
+ * config/spu/mfc_multi_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_release.c: Likewise.
+ * config/spu/mfc_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_table.c: Likewise.
+ * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Compile them.
+ (TARGET_LIBGCC2_CFLAGS): Define __IN_LIBGCC2.
+ * config/spu/spu_mfcio.h: Avoid <stdint.h>.
+ (uint64_t): Typedef if __IN_LIBGCC2 is defined.
+ (MFC_TAG_INVALID, MFC_TAG_VALID): New macros.
+ (mfc_tag_reserve, mfc_tag_release, mfc_multi_tag_reserve,
+ mfc_multi_tag_release): Likewise.
+ (__mfc_tag_reserve, __mfc_tag_release, __mfc_multi_tag_reserve,
+ __mfc_multi_tag_release): Declare.
+
+2007-11-19 Jason Merrill <jason@redhat.com>
+
+ PR debug/28834, debug/29436, c/32326
+ * tree.c (build_type_attribute_qual_variant): Refuse to make
+ a distinct copy of a struct/enum type. Use build_distinct_type_copy.
+ * doc/extend.texi (Type Attributes): Don't encourage people to add
+ attributes to struct/enum types in a typedef. Fix
+ transparent_union example.
+
+ * tree-inline.c (remap_type_1): Remove code that's redundant with
+ remap_type.
+ (build_duplicate_type): Set id.copy_decl.
+ * c-common.c (handle_transparent_union_attribute): Simplify logic.
+
+2007-11-19 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (invalid_e500_subreg,
+ rs6000_legitimate_offset_address_p, legitimate_lo_sum_address_p,
+ rs6000_legitimize_address, rs6000_legitimize_reload_address,
+ rs6000_legitimate_address, function_arg_advance,
+ spe_build_register_parallel, rs6000_spe_function_arg,
+ rs6000_split_multireg_move, spe_func_has_64bit_regs_p,
+ emit_frame_save, gen_frame_mem_offset, rs6000_function_value,
+ rs6000_libcall_value, rs6000_dwarf_register_span): Handle DDmode and
+ TDmode similarly to DFmode and TFmode.
+ * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
+ DATA_ALIGNMENT, CLASS_MAX_NREGS, CANNOT_CHANGE_MODE_CLASS): Likewise.
+
+2007-11-19 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (lang_adjust_rli): Delete.
+ (set_lang_adjust_rli): Likewise.
+ (layout_type): Do not call lang_adjust_rli hook.
+ * tree.h (set_lang_adjust_rli): Delete.
+
+2007-11-19 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (must_save_p): New function, mostly broken out of
+ n_dregs_to_save and n_pregs_to_save.
+ (n_pregs_to_save, n_dregs_to_save): Use it. New argument CONSECUTIVE;
+ all callers changed.
+ (expand_prologue_reg_save, expand_epilogue_reg_restore): Enhance to be
+ able to save single D/P registers that aren't saved by the push/pop
+ multiple insns.
+
+2007-11-19 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34099
+ * tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
+ MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
+ if only one operand is undefined.
+
2007-11-19 Eric Botcazou <ebotcazou@libertysurf.fr>
PR tree-optimization/34036
* doc/invoke.texi (Optimize Options): Document the new behavior
of -funsafe-math-optimizations, that -fassociative-math requires
both -fno-signed-zeros and -fno-trapping-math and make it clear
- that -fno-trapping-math requires -fno-signaling-nans.
+ that -fno-trapping-math requires -fno-signaling-nans. Refactor
+ documentation of -ffast-math.
2007-11-18 Jakub Jelinek <jakub@redhat.com>