+2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/33655
+ * tree-sra.c (bitfield_overlaps_p): Handle array and complex
+ elements.
+
+2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/33572
+ * tree-cfg.c (verify_stmts): Check for missing PHI defs.
+ * tree-inline.c (update_ssa_across_eh_edges): Renamed to...
+ (update_ssa_across_abnormal_edges): ... this. Set slots in the
+ return PHI node.
+ (copy_edges_for_bb): Handle nonlocal label edges.
+ (make_nonlocal_label_edges): Deleted.
+ (optimize_inline_calls): Don't call it.
+
+2007-10-05 Hans-Peter Nilsson <hp@axis.com>
+
+ * gthr-single.h: Revert last change.
+
+2007-10-05 Michael Matz <matz@suse.de>
+
+ PR middle-end/33667
+ * lower-subreg.c (decompose_multiword_subregs): Use
+ validate_unshare_change().
+
+2007-10-05 Peter Bergner <bergner@vnet.ibm.com>
+
+ * ra-conflict.c: Include "sparseset.h".
+ (conflicts): Change to HOST_WIDEST_FAST_INT.
+ (allocnos_live): Redefine variable as a sparseset.
+ (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, GET_ALLOCNO_LIVE): Delete macros.
+ (allocno_row_words): Removed global variable.
+ (partial_bitnum, max_bitnum, adjacency_pool, adjacency): New variables.
+ (CONFLICT_BITNUM, CONFLICT_BITNUM_FAST): New defines.
+ (conflict_p, set_conflict_p, set_conflicts_p): New functions.
+ (record_one_conflict_between_regnos): Cache allocno values and reuse.
+ Use set_conflict_p.
+ (record_one_conflict): Update uses of allocnos_live to use
+ the sparseset routines. Use set_conflicts_p.
+ (mark_reg_store): Likewise.
+ (set_reg_in_live): Likewise.
+ (global_conflicts): Update uses of allocnos_live.
+ Use the new adjacency list to visit an allocno's neighbors
+ rather than iterating over all possible allocnos.
+ Call set_conflicts_p to setup conflicts rather than adding
+ them manually.
+ * global.c: Comments updated.
+ (CONFLICTP): Delete define.
+ (regno_compare): New function. Add prototype.
+ (global_alloc): Sort the allocno to regno mapping according to
+ which basic blocks the regnos are referenced in. Modify the
+ conflict bit matrix to a compressed triangular bitmatrix.
+ Only allocate the conflict bit matrix and adjacency lists if
+ we are actually going to allocate something.
+ (expand_preferences): Use conflict_p. Update uses of allocnos_live.
+ (prune_preferences): Use the FOR_EACH_CONFLICT macro to visit an
+ allocno's neighbors rather than iterating over all possible allocnos.
+ (mirror_conflicts): Removed function.
+ (dump_conflicts): Iterate over regnos rather than allocnos so
+ that all dump output will be sorted by regno number.
+ Use the FOR_EACH_CONFLICT macro.
+ * ra.h: Comments updated.
+ (conflicts): Update prototype to HOST_WIDEST_FAST_INT.
+ (partial_bitnum, max_bitnum, adjacency, adjacency_pool): Add prototypes.
+ (ADJACENCY_VEC_LENGTH, FOR_EACH_CONFLICT): New defines.
+ (adjacency_list_d, adjacency_iterator_d): New types.
+ (add_neighbor, adjacency_iter_init, adjacency_iter_done,
+ adjacency_iter_next, regno_basic_block): New static inline functions.
+ (EXECUTE_IF_SET_IN_ALLOCNO_SET): Removed define.
+ (conflict_p): Add function prototype.
+ * sparseset.h, sparseset.c: New files.
+ * Makefile.in (OBJS-common): Add sparseset.o.
+ (sparseset.o): New rule.
+
+2007-10-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33666
+ * fold-const.c (fold_unary): Do not fold (long long)(int)ptr
+ to (long long)ptr.
+
+2007-10-05 Michael Matz <matz@suse.de>
+
+ PR inline-asm/33600
+ * function.c (match_asm_constraints_1): Check for input
+ being used in the outputs.
+
+2007-10-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_gimple_expr): Accept OBJ_TYPE_REF.
+
+2007-10-05 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33635
+ * config/mips/mips.c (mips_register_move_cost): Rewrite to use
+ subset checks. Make the cost of FPR -> FPR moves depend on
+ mips_mode_ok_for_mov_fmt_p.
+
+2007-10-04 Doug Kwan <dougkwan@google.com>
+
+ * gthr-posix.h (__gthread_cond_broadcast, __gthread_cond_wait,
+ __gthread_cond_wait_recursive): Add to extend interface for POSIX
+ conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
+ support of conditional variables.
+ * gthr-posix95.h (__gthread_cond_broadcast, __gthread_cond_wait,
+ __gthread_cond_wait_recursive): Add to extend interface for POSIX
+ conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
+ support of conditional variables.
+ * gthr-single.h (__gthread_cond_broadcast, __gthread_cond_wait,
+ __gthread_cond_wait_recursive): Add to extend interface for POSIX
+ conditional variables.
+ * gthr.h: Update comments to document new interface.
+
+2007-10-04 Geoffrey Keating <geoffk@apple.com>
+
+ * cgraphunit.c (cgraph_build_static_cdtor): Don't set
+ DECL_IGNORED_P.
+
+2007-10-04 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (expand_epilogue): Don't set RTX_FRAME_RELATED_P.
+
+2007-10-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33641
+ * tree-cfg.c (verify_gimple_expr): Operand one of POINTER_PLUS_EXPR
+ does not need to be of INTEGER_TYPE.
+ (verify_gimple_2): New function split out from ...
+ (verify_gimple_1): ... here. ICE if there was an error during
+ verification.
+
+2007-10-04 Michael Matz <matz@suse.de>
+
+ PR rtl-optimization/33653
+ * dce.c (deletable_insn_p_1): Use volatile_refs_p().
+ * dse.c (scan_insn): Same.
+
+2007-10-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config.gcc: Remove USE_GAS for m68k targets.
+
+2007-10-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33627
+ * tree-gimple.h (canonicalize_cond_expr_cond): Declare.
+ * tree-gimple.c (canonicalize_cond_expr_cond): New function,
+ split out from ...
+ * tree-ssa-forwprop.c (combine_cond_expr_cond): ... here.
+ * tree-ssa-ifcombine.c (ifcombine_iforif): Use it.
+
+2007-10-04 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (commands_in_file, commands_in_prologues,
+ commands_in_epilogues): Remove variables.
+ (avr_file_start): Remove unneded initializations of commands_in_file,
+ commands_in_prologues and commands_in_epilogues variables.
+ (avr_file_end): Remove dead code.
+
+2007-10-04 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_output_movem): Use the MOTOROLA if
+ MOTOROLA is to true.
+
+2007-10-03 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33635
+ * config/mips/mips-protos.h (mips_split_64bit_move): Rename to...
+ (mips_split_doubleword_move): ...this.
+ * config/mips/mips.c (mips_subword): Extend to handle 64-bit words;
+ use natural endianness for multi-format FPR values.
+ (mips_split_64bit_move): Rename to...
+ (mips_split_doubleword_move): ...this and extend to 64-bit words.
+ Use move_doubleword_fpr* patterns for moves involving FPRs.
+ (mips_save_reg): Update the call to mips_split_64bit_move.
+ (mips_secondary_reload_class): Return NO_REGS for any reload of a
+ nonzero constant into an FPR if the constant can be forced to memory.
+ * config/mips/mips.md: Update the splitter calls to
+ mips_split_64bit_move.
+ (UNSPEC_LOAD_DF_LOW): Rename to...
+ (UNSPEC_LOAD_LOW): ...this.
+ (UNSPEC_LOAD_DF_HIGH): Rename to...
+ (UNSPEC_LOAD_HIGH): ...this.
+ (UNSPEC_STORE_DF_HIGH): Rename to...
+ (UNSPEC_STORE_WORD): ...this.
+ (SPLITF): New mode iterator.
+ (HALFMODE): New mode attribute.
+ (movtf): New expander.
+ (*movtf_internal): New define_insn_and_split.
+ (move_doubleword_fpr<mode>): New expander.
+ (load_df_low, load_df_high, store_df_high, mthc1, mfhc1): Replace
+ with...
+ (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
+ (mfhc1<mode>): ...these more general patterns.
+
+2007-10-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * cfgrtl.c (rtl_block_ends_with_call_p): Skip notes at the end.
+
+2007-10-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * gcse.c (hash_scan_set): Insert set in insn before note at
+ the end of basic block.
+
+2007-10-03 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/33576
+ * testsuite/gcc.dg/tree-ssa/pr33576.c: New.
+ * tree-loop-linear.c (linear_transform_loops): Call remove_iv.
+ * lambda.h (lambda_loopnest_to_gcc_loopnest): New parameter.
+ (remove_iv): Declared.
+ * lambda-code.c (remove_iv): Not static.
+ (lambda_loopnest_to_gcc_loopnest): New parameter remove_ivs.
+ Don't remove ivs there, save ivs in the buffer.
+
+2007-10-03 Jason Merrill <jason@redhat.com>
+
+ PR c++/15764
+ * tree-eh.c (same_handler_p): New fn.
+ (optimize_double_finally): New fn.
+ (refactor_eh_r): New fn.
+ (refactor_eh): New fn.
+ (pass_refactor_eh): New pass.
+ * tree-pass.h: Declare it.
+ * passes.c (init_optimization_passes): Add it.
+
+2007-10-03 Doug Kwan <dougkwan@google.com>
+ Richard Guenther <rguenther@suse.de>
+
+ PR debug/31899
+ * dwarf2out.c (reference_to_unused): Disable sanity checking,
+ be conservative instead.
+
+2007-10-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/26682
+ * doc/invoke.texi (-fwhole-program): Document that Fortran
+ doesn't support this option.
+
+2007-10-02 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR middle-end/33617
+ * expr.c (expand_expr_addr_expr_1): Pass CONSTRUCTORs to
+ expand_expr.
+
+2007-10-02 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.md (sync_compare_and_swap<mode>): Handle compare
+ against constant zero.
+ * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Handle constant zero
+ operand.
+
+2007-09-02 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * ra-conflict.c: New file.
+ * ra.h: New file.
+ * reload.c (push_reload, find_dummy_reload): Change DF_RA_LIVE
+ usage to DF_LIVE usage.
+ * rtlanal.c (subreg_nregs_with_regno): New function.
+ * df-scan.c (df_def_record_1, df_uses_record): Add code to set
+ DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, and DF_REF_SUBREG flags.
+ (df_has_eh_preds): Removed.
+ (df_bb_refs_collect, df_bb_refs_collect, df_bb_refs_collect,
+ df_exit_block_uses_collect): Changed call from df_has_eh_preds to
+ bb_has_eh_pred.
+ * global.c (allocno, max_allocno, conflicts, allocno_row_words,
+ reg_allocno, EXECUTE_IF_SET_IN_ALLOCNO_SET): Moved to ra.h
+ (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Moved to ra-conflicts.c.
+ (regs_set, record_one_conflict, record_conflicts, mark_reg_store,
+ mark_reg_clobber, mark_reg_conflicts, mark_reg_death): Deleted.
+ (global_alloc): Turn off rescanning insns after call to
+ global_conflicts and added call to set_preferences.
+ (global_conflicts): Moved to ra-alloc.c.
+ (set_preferences_1, set_preferences): New function.
+ (mirror_conflicts): Changed types for various variables.
+ (mark_elimination): Change DF_RA_LIVE
+ usage to DF_LIVE usage.
+ (build_insn_chain): Rewritten from scratch and made local.
+ (print_insn_chain, print_insn_chains): New functions.
+ (dump_conflicts): Do not print conflicts for fixed_regs.
+ (rest_of_handle_global_alloc): Turn off insn rescanning.
+ * hard-reg-set.h: Fixed comment.
+ * local-alloc.c (update_equiv_regs): Change DF_RA_LIVE
+ usage to DF_LIVE usage and delete refs to TOP sets.
+ (block_alloc): Mark regs as live if they are in the artificial
+ defs at top of block.
+ (find_stack_regs): New function.
+ (rest_of_handle_local_alloc): Changed urec problem to live
+ problem and do not turn off df rescanning.
+ * df.h (DF_UREC, DF_UREC_BB_INFO, DF_LIVE_TOP, DF_RA_LIVE_IN,
+ DF_RA_LIVE_TOP, DF_RA_LIVE_OUT, df_urec_bb_info, df_urec,
+ df_urec_add_problem, df_urec_get_bb_info, df_has_eh_preds): Removed.
+ (DF_CHAIN, DF_NOTE, DF_CHAIN): Renumbered.
+ (DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, DF_REF_SUBREG): New
+ fields in df_ref_flags. The rest have been renumbered.
+ * init-regs.c (initialize_uninitialized_regs): Enhanced debugging
+ at -O1.
+ * rtl.h (subreg_nregs_with_regno): New function.
+ * df-problems.c: (df_get_live_out, df_get_live_in,
+ df_get_live_top): Removed reference to DF_RA_LIVE.
+ (df_lr_reset, df_lr_transfer_function, df_live_free_bb_info,
+ df_live_alloc, df_live_reset, df_live_local_finalize,
+ df_live_free): Make top set only if different from in set.
+ (df_lr_top_dump, df_live_top_dump): Only print top set if
+ different from in set.
+ (df_lr_bb_local_compute): Removed unnecessary check.
+ (df_urec_problem_data, df_urec_set_bb_info, df_urec_free_bb_info,
+ df_urec_alloc, df_urec_mark_reg_change, earlyclobber_regclass,
+ df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber,
+ df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
+ df_urec_local_compute, df_urec_init, df_urec_local_finalize,
+ df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
+ df_urec_top_dump, df_urec_bottom_dump, problem_UREC,
+ df_urec_add_problem): Removed.
+ (df_simulate_fixup_sets): Changed call from df_has_eh_preds to
+ bb_has_eh_pred.
+ * Makefile.in (ra-conflict.o, ra.h): New dependencies.
+ * basic_block.h (bb_has_abnormal_pred): New function.
+ * reload1.c (compute_use_by_pseudos): Change DF_RA_LIVE
+ usage to DF_LIVE usage.
+
+2007-10-02 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/predicates.md (easy_vector_constant): Return false
+ for 750CL paired vectors.
+ * config/rs6000/paired.md (movv2sf_paired): Fix move of easy
+ vector constant.
+ (vec_initv2sf): Add new description.
+ (vconcatsf): Likewise.
+ * config/rs6000/rs6000-protos.h: Declare paired_expand_vector_init.
+ * config/rs6000/rs6000.c (paired_expand_vector_init): New function.
+
+2007-10-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after
+ sinking the last stmt in a BB.
+
+2007-10-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/22156
+ * tree-sra.c (struct sra_elt): Add in_bitfld_block.
+ (sra_hash_tree): Handle BIT_FIELD_REFs.
+ (sra_elt_hash): Don't hash bitfld blocks.
+ (sra_elt_eq): Skip them in parent compares as well. Handle
+ BIT_FIELD_REFs.
+ (build_element_name_1): Handle BIT_FIELD_REFs.
+ (instantiate_element): Propagate nowarn from parents. Create
+ BIT_FIELD_REF for variables that are widened by scalarization.
+ Gimple-zero-initialize all bit-field variables that are not
+ part of parameters that are going to be scalarized on entry.
+ (instantiate_missing_elements_1): Return the sra_elt.
+ (canon_type_for_field): New.
+ (try_instantiate_multiple_fields): New. Infer widest possible
+ access mode from decl or member type, but clip it at word
+ size, and only widen it if a field crosses an alignment
+ boundary.
+ (instantiate_missing_elements): Use them.
+ (generate_one_element_ref): Handle BIT_FIELD_REFs.
+ (scalar_bitfield_p): New.
+ (sra_build_assignment): Optimize assignments from scalarizable
+ BIT_FIELD_REFs. Use BITS_BIG_ENDIAN to determine shift
+ counts.
+ (REPLDUP): New.
+ (sra_build_bf_assignment): New. Optimize assignments to
+ scalarizable BIT_FIELD_REFs.
+ (sra_build_elt_assignment): New. Optimize BIT_FIELD_REF
+ assignments to full variables.
+ (generate_copy_inout): Use the new macros and functions.
+ (generate_element_copy): Likewise. Handle bitfld differences.
+ (generate_element_zero): Don't recurse for blocks. Use
+ sra_build_elt_assignment.
+ (generate_one_element_init): Take elt instead of var. Use
+ sra_build_elt_assignment.
+ (generate_element_init_1): Adjust.
+ (bitfield_overlap_info): New struct.
+ (bitfield_overlaps_p): New.
+ (sra_explode_bitfield_assignment): New. Adjust widened
+ variables to account for endianness.
+ (sra_sync_for_bitfield_assignment): New.
+ (scalarize_use): Re-expand assignment to/from scalarized
+ BIT_FIELD_REFs. Explode or sync needed members for
+ BIT_FIELD_REFs accesses or assignments. Use REPLDUP.
+ (scalarize_copy): Use REPLDUP.
+ (scalarize_ldst): Move assert before dereference. Adjust EH
+ handling.
+ (dump_sra_elt_name): Handle BIT_FIELD_REFs.
+
+2007-10-01 Paolo Bonzini <bonzini@gnu.org>
+
+ * simplify-rtx.c (comparison_result, simplify_relational_operation_1):
+ Rename CR_* constants to CMP_*. Fix spacing.
+
+2007-10-01 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR other/33585
+ * Makefile.in (build_html_dir/gccinstall): gccinstall.texi needs
+ to be processed with the special script doc/install.texi2html.
+
+2007-09-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Wall): List the options enabled by Wall.
+ (Wstrict-aliasing): Add missing @option.
+
+2007-09-30 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset
+ rather than gen_lowpart to change a register from DImode to DFmode.
+ (mips_cannot_change_mode_class): Only allow FPRs to change mode if
+ both FROM and TO are integer modes that are no bigger than 4 bytes.
+ (mips_mode_ok_for_mov_fmt_p): New function.
+ (mips_preferred_reload_class): Use it instead of FLOAT_MODE_P.
+ (mips_secondary_reload_class): Tweak formatting and comments.
+ Use reg_class_subset_p instead of direct comparisons with
+ classes. Only allow direct FPR<->FPR moves for modes that
+ satisfy mips_mode_ok_for_mov_fmt_p. Only allow loads and stores
+ for 4- and 8-byte types. Handle reloads in which X is an FPR.
+ * config/mips/mips.md (*movdi_gp32_fp64): Remove f<-f alternative.
+ (*movdi_64bit): Likewise.
+ (*movsi_internal): Likewise.
+ (*movhi_internal): Likewise.
+ (*movqi_internal): Likewise.
+
+2007-09-30 Diego Novillo <dnovillo@google.com>
+
+ PR 33593
+ * tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
+ throw an exception.
+
+2007-09-30 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/33597
+ * tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
+ for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.
+
+2007-09-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p ()
+ instead of variants of (!reload_in_progress && !reload_completed).
+ (x86_expand_vector_move): Ditto.
+
+2007-09-28 Ollie Wild <aaw@google.com>
+
+ Revert
+ 2007-09-27 Ollie Wild <aaw@google.com>
+
+ * varasm.c (compare_constant): Removed call to
+ lang_hooks.expand_constant.
+ (copy_constants): Removed call to lang_hooks.expand_constant.
+ (compute_reloc_for_constant): Removed call to
+ lang_hooks.expand_constant.
+ (output_addressed_constants): Removed call to
+ lang_hooks.expand_constant.
+ (constructor_static_from_elts_p): Removed call to
+ lang_hooks.expand_constant.
+ (output_constant): Removed calls to lang_hooks.expand_constant.
+ * langhooks.h (struct lang_hooks): Removed field expand_constant.
+ * langhooks-def.h (lhd_return_tree): Removed.
+ (LANG_HOOKS_EXPAND_CONSTANT): Removed.
+ (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
+ * langhooks.c (lhd_return_tree): Removed.
+
+2007-09-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/33347
+ * config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second
+ argument to gen_selb.
+
+2007-09-28 Chao-ying Fu <fu@mips.com>
+
+ * libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.
+ * doc/libgcc.texi (Fixed-point fractional library routines):
+ Fix typos for neg and cmp functions.
+
+2007-09-28 Michael Matz <matz@suse.de>
+
+ PR rtl-optimization/33552
+ * function.c (match_asm_constraints_1): Check for overlap in
+ inputs and replace all occurences.
+
+2007-09-28 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.c (override_options): Fix comment typo.
+
+2007-09-28 Jie Zhang <jie.zhang@analog.com>
+
+ * config.gcc (bfin*-linux-uclibc*): Set extra_parts
+ to "crtbegin.o crtbeginS.o crtend.o crtendS.o".
+ * config/bfin/t-bfin-linux (crti.o): Don't build.
+ (crtn.o): Likewise.
+ (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
+ * config/bfin/t-bfin-uclinux (crti.o): Don't build.
+ (crtn.o): Likewise.
+ (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
+
+2007-09-27 Ollie Wild <aaw@google.com>
+
+ * varasm.c (compare_constant): Removed call to
+ lang_hooks.expand_constant.
+ (copy_constants): Removed call to lang_hooks.expand_constant.
+ (compute_reloc_for_constant): Removed call to
+ lang_hooks.expand_constant.
+ (output_addressed_constants): Removed call to
+ lang_hooks.expand_constant.
+ (constructor_static_from_elts_p): Removed call to
+ lang_hooks.expand_constant.
+ (output_constant): Removed calls to lang_hooks.expand_constant.
+ * langhooks.h (struct lang_hooks): Removed field expand_constant.
+ * langhooks-def.h (lhd_return_tree): Removed.
+ (LANG_HOOKS_EXPAND_CONSTANT): Removed.
+ (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
+ * langhooks.c (lhd_return_tree): Removed.
+
+2007-09-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/33436
+ * expr.c (emit_group_load_1): Split constant double when destination
+ length is half source length.
+
+2007-09-27 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro.
+ (mips_cpu_info): Add tune_flags.
+ (GENERATE_BRANCHLIKELY): Remove TARGET_SR71K check.
+ * config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields.
+ Remove end marker.
+ (override_options): Remove deprecation code. Use branch-likely
+ instructions for optimize_size or if the tuning flags do not
+ suggest otherwise. Tweak warning.
+ (mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE.
+
+2007-09-27 Matthias Klose <doko@ubuntu.com>
+
+ * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
+ multilib osdirname if it exists.
+ * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
+
+2007-09-27 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/33565
+ * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on
+ assignments of comparisons.
+ * tree-ssa-sccvn.c (simplify_binary_expression): Add stmt
+ parameter. Change caller. Defer overflow warnings around call to
+ fold_binary.
+ * fold-const.c (fold_undefer_overflow_warnings): Don't warn if
+ TREE_NO_WARNING is set on the statement.
+ * tree-ssa-forwprop.c
+ (tree_ssa_forward_propagate_single_use_vars): Don't test
+ TREE_NO_WARNING when calling fold_undefer_overflow_warnings.
+ * tree-cfg.c (fold_cond_expr_cond): Likewise.
+
+2007-09-27 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/rs6000.c (rs6000_legitimize_address): Do not
+ reduce offset by units of 0x10000 for SPE vector modes or modes
+ used with E500 double instructions.
+
+2007-09-04 Paolo Bonzini <bonzini@gnu.org>
+
+ * simplify-rtx.c (comparison_result): New.
+ (simplify_const_relational_operation): Use it instead of the five
+ "equal|op[01]ltu?" variables; consequently remove redundant "else"s.
+ Improve bounds-checking optimizations; remove subsumed POPCOUNT
+ optimizations. Extract nonzero_address_p optimizations into a
+ separate "if" together with optimizations where op1 is const0_rtx.
+ Optimize comparing an IOR with zero. Simplify op0 RELOP op0 for
+ floating-point arguments too when appropriate. Hoist test for ABS
+ outside the final switch statement.
+ * cse.c (fold_rtx): Don't look for an IOR equivalent of
+ folded_arg0 if we found a constant equivalent. Remove
+ transformations done in simplify-rtx.c for "op0 RELOP op0".
+
+2007-09-27 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (expand_builtin, expand_builtin_object_size,
+ expand_builtin_memory_chk, maybe_emit_chk_warning,
+ maybe_emit_sprintf_chk_warning): Use new %K format string specifier
+ for diagnostics.
+ * expr.c (expand_expr_real_1): Likewise.
+ * langhooks-def.h (struct diagnostic_info): Add forward decl.
+ (lhd_print_error_function): Add third argument.
+ * langhooks.h (struct diagnostic_info): Add forward decl.
+ (struct lang_hooks): Add third argument to print_error_function.
+ * diagnostic.h (diagnostic_info): Add abstract_origin field.
+ (diagnostic_last_function_changed, diagnostic_set_last_function): Add
+ second argument.
+ (diagnostic_report_current_function): Likewise.
+ * toplev.c (announce_function): Pass NULL as second argument to
+ diagnostic_set_last_function.
+ * diagnostic.c (diagnostic_report_current_function): Add second
+ argument, pass it as third argument to lang_hooks.print_error_function.
+ (default_diagnostic_starter): Pass DIAGNOSTIC as second argument
+ to diagnostic_report_current_function.
+ (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
+ and message.abstract_origin.
+ (verbatim): Initialize abstract_origin.
+ * pretty-print.h (text_info): Add abstract_origin field.
+ * pretty-print.c (pp_base_format): Handle %K.
+ * langhooks.c (lhd_print_error_function): Add third argument. If
+ diagnostic->abstract_origin, print virtual backtrace.
+ * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
+ gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
+ (init_dynamic_diag_info): Likewise.
+
+2007-09-26 David Daney <ddaney@avtrex.com>
+
+ PR target/33479
+ * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>,
+ sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
+ sync_old_nand<mode>, sync_new_nand<mode>,
+ sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
+ Update length attributes.
+ (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
+ sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
+ length attributes.
+ * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
+ MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND,
+ MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add
+ post-loop sync.
+
+2007-09-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33563
+ * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
+ (get_kill_of_stmt_lhs): ... this. Re-structure. Handle
+ aggregate stores.
+ (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
+ get_use_of_stmt_lhs.
+
+2007-09-26 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/25309
+ * c-common.c (complete_array_type): Diagnose too-large arrays and
+ set type to error_mark_node.
+
+2007-09-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30375
+ PR tree-optimization/33560
+ * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
+ with calls.
+
+ Revert
+ 2006-05-22 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree-ssa-dse.c (aggregate_vardecl_d): New.
+ (dse_global_data): Add aggregate_vardecl field.
+ (dse_possible_dead_store_p): New.
+ Add prev_defvar variable.
+ Allow immediate uses and previous immediate uses to differ
+ if they are setting different parts of the whole.
+ (get_aggregate_vardecl): New.
+ (dse_record_partial_aggregate_store): New.
+ (dse_whole_aggregate_clobbered_p): New.
+ (dse_partial_kill_p): New.
+ Call dse_maybe_record_aggregate_store().
+ When checking whether a STMT and its USE_STMT refer to the
+ same memory address, check also for partial kills that clobber
+ the whole.
+ Move some variable definitions to the block where they are used.
+ (aggregate_vardecl_hash): New.
+ (aggregate_vardecl_eq): New.
+ (aggregate_vardecl_free): New.
+ (aggregate_whole_store_p): New.
+ (tree_ssa_dse): Initialize and free aggregate_vardecl.
+ Mark which aggregate stores we care about.
+
+2007-09-25 DJ Delorie <dj@redhat.com>
+
+ PR target/33551
+ * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of
+ XINT.
+
+2007-09-25 Michael Meissner <michael.meissner@amd.com>
+
+ PR target/33524
+ * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
+ gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
+ for vector int32 -> int64 conversions. Don't write beyond the end
+ of the allocated vector for int32 -> int64 conversions.
+
+2007-09-25 Revital Eres <eres@il.ibm.com>
+
+ * config/rs6000/paired.h (paired_sel): New.
+ * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
+ (rs6000_expand_ternop_builtin): Pass zero const_double operand
+ when expanding selv2sf.
+ * config/rs6000/rs6000.h (rs6000_builtins): Add
+ PAIRED_BUILTIN_SELV2SF4.
+
+2007-09-25 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/32295
+ * c-typeck.c (default_conversion): Call require_complete_type
+ before perform_integral_promotions.
+ (build_unary_op): Call require_complete_type except for ADDR_EXPR.
+ (build_c_cast): Call require_complete_type except for casts to
+ void types.
+ (convert_for_assignment): Call require_complete_type.
+
+2007-09-25 Revital Eres <eres@il.ibm.com>
+
+ * config/spu/spu.md: Fix doloop pattern.
+
+2007-09-25 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (expand_prologue_reg_save,
+ expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs and
+ ASTAT moved here...
+ (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
+ ... from here. New argument ALL; callers changed.
+ (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
+ (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
+ have the "saveall" attribute.
+
+2007-09-25 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
+ bogus target macro.
+ (INCOMING_REGNO, OUTGOING_REGNO): Define.
+ * config/mmix/mmix.c (mmix_opposite_regno): New function.
+ * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.
+
+ * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
+ with REG_P tests before REGNO access.
+
+2007-09-24 DJ Delorie <dj@redhat.com>
+
+ PR target/31482
+ * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
+ constraint.
+ (movqicc_<code>_<mode>): Likewise.
+ (movhicc_<code>_<mode>): Likewise.
+
+2007-09-24 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/33184
+ * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
+ register for reload.
+
+2007-09-24 Danny Smith <dannysmith@user.sourceforge.net>
+
+ PR c++/14688
+ * config/i386/i386.c (ix86_comp_type_attributes): Check
+ METHOD_TYPE too.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
+ "move.l %a4,%a4" to produce nops.
+ * config/m68k/m68k.c (override_options): Reset align options,
+ if neccessary align macro isn't avaible.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
+ the basic block.
+ * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
+ reload is completed.
+ (peephole pattern): Convert most of them to RTL peephole pattern.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
+ (moved from fp compare patterns).
+ * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
+ Cleanup predicates to relieve reload.
+ (conditional_trap): Reject conditional trap with fp condition.
+ * gcc/config/m68k/predicates.md (fp_src_operand): New, reject
+ certain constants early.
+
+2007-09-24 Roman Zippel <zippel@linux-m68k.org>
+
+ * gcc/final.c (final_scan_insn): Remove accidentally duplicated code.
+
+2007-09-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
+ Allow --with-tune=cell and --with-cpu=cell.
+
+2007-09-24 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
+ * config/rs6000/rs6000.opt (swdiv): Change option to ...
+ (recip): this.
+ * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
+ function.
+ (TARGET_BUILTIN_RECIPROCAL): Use it.
+ (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
+ (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
+ (rs6000_emit_swrsqrtsf): New.
+ * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
+ rsqrtf.
+ * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
+ (divsf3): Remove swdiv support.
+ (recipsf3): New.
+ (rsqrtsf2): New.
+ (rsqrt_internal1): New.
+ (divdf3): Remove swdiv support.
+ (reciptdf3): New.
+
+2007-09-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/33506
+ * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
+ field.
+ * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
+ (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
+ * tree.c (type_hash_eq): For FUNCTION_TYPE use
+ lang_hooks.type.type_hash_eq in addition to generic tests.
+
+2007-09-24 Pranav Bhandarkar <pranav.bhandarkar@celunite.com>
+ Ramana Radhakrishnan <ramana@hercules.pun.celunite.com>
+
+ * tree-inline.h (eni_weights): Add field target_builtin_cost to
+ reflect the cost per call to a target specific builtin.
+ * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
+ call to a target specific builtin, then use target_builtin_call_cost.
+ (init_inline_once): Initialize target_builtin_call_cost field.
+
2007-09-24 Kai Tietz <kai.tietz@onevision.com>
PR middle-end/33472
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