+2008-04-07 Kai Tietz <kai.tietz@onevision.com>
+
+ PR/35842
+ * config/i386/i386.c (legitimize_pic_address): Add treating
+ of dllimport SYM_REF's.
+ (legitimize_dllimport_symbol): Add prototype.
+
+2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
+ reference in constructor with non self-referential type.
+
+2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ Removal of Return with Depressed Stack Pointer support
+ * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
+ (ECF_SP_DEPRESSED): Likewise.
+ (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
+ * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
+ (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
+ (expand_call): Do not test ECF_SP_DEPRESSED.
+ * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
+ * function.c (keep_stack_depressed): Delete.
+ (handle_epilogue_set): Likewise.
+ (update_epilogue_consts): Likewise.
+ (emit_equiv_load): Likewise.
+ (thread_prologue_and_epilogue_insns): Remove support for Return with
+ Depressed Stack Pointer.
+ * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
+
+2008-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35400
+ * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
+ information from SSA_NAMEs.
+
+2008-04-06 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (avr_mega_p): Remove declaration.
+ (AVR_MEGA): Remove macro.
+ * config/avr/avr.c (avr_mega_p): Remove variable.
+ (avr_override_options): Remove inicializion of avr_mega_p.
+ Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
+ (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
+ (avr_jump_mode): (Ditto.).
+ (avr_output_progmem_section_asm_op): (Ditto.).
+ (avr_asm_init_sections): (Ditto.).
+ (avr_asm_init_sections): (Ditto.).
+ (avr_rtx_costs): (Ditto.).
+ * config/avr/avr.md: (Ditto.).
+ * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
+ '__AVR_MEGA__'.
+
+2008-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35842
+ * tree-ssa-address.c (fixed_address_object_p): Adjust to match
+ is_gimple_invariant_address.
+
+2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ * gcc.c (default_compilers): Sync Fortran extensions list with
+ that in fortran/lang-specs.h.
+ * doc/invoke.texi: Likewise.
+ * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
+ * dwarf2out.c (gen_compile_unit_die): Likewise.
+
+2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
+
+ * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
+
+2008-04-05 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/12329
+ * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
+ attribute is used for nested functions.
+
+2008-04-05 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
+
+ * tree-dump.c (dump_enable_all): Remove prototype; do not accept
+ letter argument.
+ (dump_files): Update.
+ (enable_rtl_dump_file): Do not accept letter argument.
+ * tree-pass.h (dump_file_info): Remove letter argument.
+ * toplev.c (decode_d_option): Update -da handling.
+ * toplev.h (enable_rtl_dump_file): Update prototype.
+ * passes.c (register_one_dump_file): Do not accept IPA argument; work
+ it out based on pass type.
+ (register_dump_files_1): Likewise.
+ (init_optimization_passes): Update register_one_dump_file calls.
+ (execute_one_pass): Sanity check that IPA passes are called at IPA
+ level and RTL passes at RTL level.
+ (execute_pass_list): IPA pass can not be after or subpass of
+ GIMPLE/RTL pass.
+ (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
+ disallov RTL subpasses of IPA subpasses.
+
+2008-04-05 Ben Elliston <bje@au.ibm.com>
+
+ * tree-cfg.c (need_fake_edge_p): Return false for calls to
+ builtins that return exactly once and do not throw. Cache call to
+ call_expr_flags.
+
+2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
+
+ PR rtl-optimization/34916
+ PR middle-end/35519
+ * combine.c (create_log_links): Do not create duplicate LOG_LINKS
+ between instruction pairs.
+
+2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
+
+ * doc/invoke.texi: Document -mbitops for SH.
+ * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
+ * config/sh/predicates.md (bitwise_memory_operand): New predicate.
+ * config/sh/sh.c (print_operand): Add %t operand code.
+ * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
+ * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
+ (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
+ (extendqihi2): Likewise.
+ (movqi_i): Likewise.
+ (insv): Use bset, bclr and bst instructions for SH2A if possible.
+ (extv): Use bld instruction for SH2A if possible.
+ (extzv): Likewise.
+ (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
+ bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
+ bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
+ (bset.b, bclr.b): Define peepholes.
+ * config/sh/sh.opt (mbitops): New option.
+
+2008-04-04 Janis Johnson <janis187@us.ibm.com>
+
+ PR target/35620
+ * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
+ and view convert expression.
+
+2008-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/35364
+ * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
+
+2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
+
+ * config/i386/cpuid.h (bit_AES): New.
+ (bit_PCLMUL): Likewise.
+
+ * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
+ (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
+ SSE2 if AES or PCLMUL is enabled.
+ (ix86_builtins): Add IX86_BUILTIN_AESENC128,
+ IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
+ IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
+ IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
+ (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
+ (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
+ IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
+ IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
+ (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
+ (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
+ __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
+ __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
+ __builtin_ia32_aeskeygenassist128 and
+ __builtin_ia32_pclmulqdq128.
+ * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
+ (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
+ IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
+
+ * config/i386/i386.h (TARGET_AES): New.
+ (TARGET_PCLMUL): Likewise.
+ (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
+
+ * config/i386/i386.md (UNSPEC_AESENC): New.
+ (UNSPEC_AESENCLAST): Likewise.
+ (UNSPEC_AESDEC): Likewise.
+ (UNSPEC_AESDECLAST): Likewise.
+ (UNSPEC_AESIMC): Likewise.
+ (UNSPEC_AESKEYGENASSIST): Likewise.
+ (UNSPEC_PCLMUL): Likewise.
+
+ * config/i386/i386.opt (maes): New.
+ (mpclmul): Likewise.
+
+ * config/i386/sse.md (aesenc): New pattern.
+ (aesenclast): Likewise.
+ (aesdec): Likewise.
+ (aesdeclast): Likewise.
+ (aesimc): Likewise.
+ (aeskeygenassist): Likewise.
+ (pclmulqdq): Likewise.
+
+ * config/i386/wmmintrin.h: New.
+
+ * doc/extend.texi: Document AES and PCLMUL built-in function.
+
+ * doc/invoke.texi: Document -maes and -mpclmul.
+
+2008-04-04 Paolo Bonzini <bonzini@gnu.org>
+
+ * function.c (free_after_parsing): Replace with
+ cxx_push_function_context from C++ front-end.
+ (allocate_struct_function): Don't call langhook.
+ * langhooks.h (struct lang_hooks_for_functions): Delete.
+ (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
+ member "function".
+ * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
+ (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
+ LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
+ LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
+ (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
+ remove LANG_HOOKS_FUNCTION_INITIALIZER.
+ * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
+
+ * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
+ Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
+
+2008-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/35440
+ * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
+ for all types.
+
+2008-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35823
+ * fold-const.c (optimize_minmax_comparison): Use the correct
+ type for the constant in the simplified comparison.
+
+2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
+
+ * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
+ Pass L2 size as "--param l2-cache-size" to the compiler.
+ (decode_l2_cache): New function to decode L2 cache parameters using
+ 0x8000006 extended cpuid function.
+ (detect_caches_amd): Determine parameters of L2 cache using
+ decode_l2_caches function.
+ (decode_caches_intel): Decode L2 cache parameters.
+ (detect_caches_intel): Determine L2 cache parameters using
+ decode_caches_intel and decode_l2_caches functions.
+
+2008-04-03 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
+ secondary input reload for subword loads from the constant pool.
+
+2008-04-03 Janis Johnson <janis187@us.ibm.com>
+
+ PR target/35713
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
+ constants of the appropriate size for runtime calculations.
+
+ PR c/35712
+ * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
+ decimal-float literal constant zero.
+
+2008-04-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/35738
+ * c-parser.c (c_parser_omp_atomic): Call
+ default_function_array_conversion on the RHS.
+
+ PR middle-end/35818
+ * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
+ call is_variable_sized if decl has incomplete type.
+
+2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-protos.h (ix86_aligned_p): Removed.
+
+2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
+ iterators.
+ (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
+ leu.
+ (sgt<u>): Merge sgt and sgtu into new expander.
+ (sgt, sgtu): Remove expanders.
+ (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
+ pattern.
+ (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
+ (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
+ *sgtu_<mode>_mips16 into new pattern.
+ (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
+ (sge<u>): Merge sge and sgeu into new expander.
+ (sge, sgeu): Remove expanders.
+ (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
+ new pattern.
+ (*sge_<mode>, second *sge_<mode>): Remove patterns.
+ (slt<u>): Merge slt and sltu into new expander.
+ (slt, sltu): Remove expanders.
+ (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
+ pattern.
+ (*slt_<mode>, *sltu_<mode>): Remove patterns.
+ (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
+ *sltu_<mode>_mips16 into new pattern.
+ (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
+ (sle<u>): Merge sle and sleu into new expander.
+ (sle, sleu): Remove expanders.
+ (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
+ pattern.
+ (*sle_<mode>, *sleu_<mode>): Remove patterns.
+ (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
+ *sleu_<mode>_mips16 into new pattern.
+ (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
+
+2008-04-03 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/35795
+ * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
+ * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
+ * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
+ * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
+ * score/score3.c (score3_output_mi_thunk): Likewise.
+ * score/score7.c (score7_output_mi_thunk): Likewise.
+ * mips/mips.c (mips_output_mi_thunk): Likewise.
+
+2008-04-03 Richard Guenther <rguenther@suse.de>
+
+ * tree-vrp.c (extract_range_from_unary_expr): Handle all
+ conversions. Simplify code.
+
+2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
+
+2008-04-03 Tom Tromey <tromey@redhat.com>
+ Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
+ * config/bfin/t-bfin-linux (generated_files): Add
+ linux-sysroot-suffix.h.
+ * doc/install.texi (Prerequisites): Require make 3.80.
+ * doc/sourcebuild.texi (Front End Directory): Document new
+ variable.
+ * Makefile.in (generated_files): New variable.
+ (ALL_HOST_OBJS): New variable.
+ ($(ALL_HOST_OBJS)): New target.
+
+2008-04-03 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
+ (remap_block): Call id->transform_lang_insert_block instead
+ of langhook.
+ (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
+ Set id.transform_lang_insert_block to NULL.
+ (clone_body): Move to cp/optimize.c
+ * tree-inline.h (struct copy_body_data): Change
+ transform_lang_insert_block to function pointer.
+ (copy_generic_body, copy_decl_no_change): Export.
+ * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
+ * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
+ (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
+
+ * c-tree.h (insert_block): Kill.
+ * c-decl.c (insert_block): Kill.
+
+2008-04-03 Paolo Bonzini <bonzini@gnu.org>
+
+ * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
+ LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
+ * c-tree.h (c_push_function_context, c_pop_function_context): Remove
+ argument.
+ * c-decl.c (c_push_function_context, c_pop_function_context): Remove
+ argument, call {push,pop}_function_context from here.
+ * c-parser.c: Use c_{push,pop}_function_context.
+
+ * function.c (push_function_context_to): Move meat ...
+ (push_function_context): ... here. Simplify.
+ * function.c (pop_function_context_from): Move meat ...
+ (pop_function_context): ... here. Simplify.
+ * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
+ leave_nested).
+ * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
+ LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
+ (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
+ * tree.h (push_function_context_to, pop_function_context_from): Remove.
+
+2008-04-03 Ben Elliston <bje@au.ibm.com>
+
+ * expmed.c (extract_force_align_mem_bit_field): Remove.
+
+2008-04-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35800
+ * expr.h (try_casesi): Adjust prototype.
+ * expr.c (try_casesi): Take fallback label as extra parameter.
+ Use that for gen_casesi if default_label is NULL.
+ * stmt.c (expand_case): Pass fallback label to try_casesi,
+ make sure to fill gaps with a fallback label if default_label
+ is not present.
+
+2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
+
+ PR target/35801
+ * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
+
+2008-04-03 Ben Elliston <bje@au.ibm.com>
+
+ * expmed.c (extract_split_bit_field): Remove if (0) code.
+ * tree-ssa-structalias.c (do_sd_constraint): Likewise.
+ (do_ds_constraint): Likewise.
+
+2008-04-02 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/cppopts.texi (-dU): Document.
+ * c-common.h (flag_dump_macros): Update comment.
+ * c-opts.c (handle_OPT_d): Handle -dU.
+ * c-ppoutput.c (macro_queue, define_queue, undef_queue,
+ dump_queued_macros, cb_used_define, cb_used_undef): New.
+ (init_pp_output): Handle -dU.
+ (cb_line_change): Call dump_queued_macros.
+ * toplev.c (decode_d_option): Accept -dU as preprocessor option.
+
+2008-04-02 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/predicates.md (io_address_operand): New predicate.
+ * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
+ * config/avr/avr.c (avr_io_address_p): Remove function.
+ (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
+ 'avr_io_address_p' function.
+ (out_movhi_r_mr): (Ditto.).
+ (out_movqi_mr_r): (Ditto.).
+ (out_movhi_mr_r): (Ditto.).
+ (avr_address_cost): (Ditto.).
+
+2008-04-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
+ Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
+ in 32bit mode when XMM registers are available to avoid store
+ forwarding stalls.
+ (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
+ corresponding post-reload splitters.
+
+2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
+ and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
+ __builtin_ia32_roundss.
+ (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
+ __builtin_ia32_shufpd, __builtin_ia32_roundsd and
+ __builtin_ia32_roundss.
+ (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
+ IX86_BUILTIN_SHUFPD here.
+
+2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md (plogic): New.
+ (plogicprefix): Likewise.
+
+ * config/i386/mmx.md (mmx_<code><mode>3): New.
+ (mmx_and<mode>3): Removed.
+ (mmx_ior<mode>3): Likewise.
+ (mmx_xor<mode>3): Likewise.
+
+ * config/i386/sse.md (<code><mode>3): New.
+ (*<code><mode>3): Likewise.
+ (*<code><mode>3): Likewise.
+ (<code><mode>3): Likewise.
+ (*sse_<code><mode>3): Likewise.
+ (*sse2_<code><mode>3): Likewise.
+ (<code>tf3): Likewise.
+ (*<code>tf3): Likewise.
+ (and<mode>3): Likewise.
+ (*and<mode>3): Likewise.
+ (ior<mode>3): Removed.
+ (*ior<mode>3): Likewise.
+ (xor<mode>3): Likewise.
+ (*xor<mode>3): Likewise.
+ (*and<mode>3): Likewise.
+ (*ior<mode>3): Likewise.
+ (*xor<mode>3): Likewise.
+ (and<mode>3): Likewise.
+ (*sse_and<mode>3): Likewise.
+ (*sse2_and<mode>3): Likewise.
+ (andtf3): Likewise.
+ (*andtf3): Likewise.
+ (ior<mode>3): Likewise.
+ (*sse_ior<mode>3): Likewise.
+ (*sse2_ior<mode>3): Likewise.
+ (iortf3): Likewise.
+ (*iortf3): Likewise.
+ (xor<mode>3): Likewise.
+ (*sse_xor<mode>3): Likewise.
+ (*sse2_xor<mode>3): Likewise.
+ (xortf3): Likewise.
+ (*xortf3): Likewise.
+
+2008-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/14495
+ PR tree-optimization/34793
+ * tree-vrp.c (struct switch_update): New structure.
+ (to_remove_edges, to_update_switch_stmts): New VECs.
+ (simplify_switch_using_ranges): New function. Remove not taken
+ case labels and edges.
+ (simplify_stmt_using_ranges): Call it.
+ (identify_jump_threads): Mark edges we have queued for removal
+ so we don't thread them.
+ (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
+ case label vector.
+ * tree-cfg.c (group_case_labels): Deal with missing default label.
+ (tree_verify_flow_info): Allow missing default label.
+ * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
+ (emit_case_nodes): Likewise.
+ (expand_case): Do not rely on the default label to be present.
+ * expr.c (try_casesi): Deal with NULL default_label.
+ (do_tablejump): Likewise.
+
+2008-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/14495
+ * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
+ SWITCH_EXPR here ...
+ (vrp_visit_switch_stmt): ... but here (new function).
+ (find_case_label_index): New helper function.
+ (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
+
+2008-04-02 Paolo Bonzini <bonzini@gnu.org>
+
+ * fwprop.c: Fix ISO-C99ism.
+
+2008-04-02 Paolo Bonzini <bonzini@gnu.org>
+
+ PR bootstrap/35752
+ * Makefile.in (objdir): Set it here.
+ * configure.ac: Not here. Find dynamic linker characteristics.
+ * exec-tool.in: Use them.
+ * aclocal.m4: Regenerate.
+ * configure: Regenerate.
+
+2008-04-02 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (expand_var): Delete it.
+ * expr.h (expand_var): Delete prototype.
+ * function.c (expand_function_start): Use expand_decl instead.
+ * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
+ langhook.
+
+2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
+
+ PR rtl-optimization/35542
+ * fwprop.c (forward_propagate_and_simplify): Replace
+ loc_reg_mentioned_in_p with reg_mentioned_p.
+
+2008-04-02 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/35281
+ * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
+ (propagate_rtx_1): Handle PR_HANDLE_MEM.
+ (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
+ (varying_mem_p): Move above propagate_rtx.
+ (all_uses_available_at): Do not check MEMs.
+
2008-04-02 Rafael Espindola <espindola@google.com>
* tree-vrp.c (extract_code_and_val_from_cond): Remove.