+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
+ * opts.c (set_fast_math_flags): Do not set flags in common
+ with set_unsafe_math_optimizations_flags, invoke it directly.
+ (set_unsafe_math_optimizations_flags): Unset flag_trapping_math
+ and flag_signed_zeros.
+ * toplev.c (process_options): Force flag_associative_math to 0 and
+ warn, if it is set and either flag_trapping_math or flag_signed_zeros
+ is set too.
+ * 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. Refactor
+ documentation of -ffast-math.
+
+2007-11-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/34132
+ * gcse.c (try_replace_reg): Avoid rtx sharing between REG_EQUAL note
+ and insn.
+
+ PR middle-end/33335
+ * optabs.h (optab_table): Change type to struct optab from optab.
+ (convert_optab_table): Similarly.
+ Adjust all _optab macros to expand to addresses of optab_table
+ resp. convert_optab_table elements rather than the values of the
+ elements.
+ * optabs.c (optab_table): Change typype to struct optab from optab.
+ If compiled by recent GCC, initialize all the insn_code fields in
+ the array using designated range initializers.
+ (convert_optab_table): Similarly.
+ (convert_optab_libfunc, optab_libfunc, set_optab_libfunc,
+ set_conv_libfunc): Into libfunc_entry's optab field store index within
+ optab_table resp. convert_optab_table array instead of difference
+ between two separately malloced addresses.
+ (new_optab): Add op argument, don't return anything. Initialize
+ just the insn_code field in handlers array and only when needed.
+ (init_optab, init_optabv): Add op argument, don't return anything.
+ Adjust new_optab caller.
+ (new_convert_optab): Removed.
+ (init_convert_optab): Add op argument, don't return anything, don't
+ call new_convert_optab. If needed, initialize insn_code field in
+ handlers array.
+ (init_optabs): Adjust init_optab, init_optabv and init_convert_optab
+ callers.
+ (debug_optab_libfuncs): Adjust uses of optab_table and
+ convert_optab_table arrays.
+
+2007-11-18 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34127
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Make code match up the comments, require compatibility of the
+ pointed-to types.
+
+2007-11-17 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34130
+ * fold-const.c (extract_muldiv_1): Do not move negative
+ constants inside ABS_EXPR.
+
+2007-11-16 Ian Lance Taylor <iant@google.com>
+
+ * collect2.c (dump_file): If a demangled symbol is followed by a
+ space, make sure we output at least one space.
+
+2007-11-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/34030
+ * fold-const.c (fold_binary): Use correct types for folding
+ 1 << X & Y to Y >> X & 1.
+
2007-11-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33870
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