+2007-03-13 David Taylor <taylor@candd.org>
+
+ PR driver/12448:
+ * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
+ default -MQ.
+
+2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/31123
+ * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
+ two unamed patterns.
+
+2007-03-13 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.opt (mcx16, msahf): New options.
+ * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
+ (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
+
+ * config/i386/driver-i386.c (bit_LAHF_LM): New define.
+ (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
+ Output -mcx16 and -msahf options when corresponding bit is set.
+
+ * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
+ and -msahf options.
+
+2007-03-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.ac: Test for assembler tolerance to # 0 "".
+ * configure, config.in: Rebuilt.
+ * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
+
+2007-03-13 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Spec Files): Update for '%{,' spec.
+
+ * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
+ (handle_syscall): Handle direct system calls.
+ * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
+
+2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ * doc/invoke.texi: Fix cpp.info cross-reference.
+ * doc/passes.texi: Fix gcc.info cross-reference.
+
+2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30835
+ * lambda-code.c (can_convert_to_perfect_nest): Check whether
+ bb_for_stmt is not NULL before accessing it.
+
+2007-03-12 Joseph Myers <joseph@codesourcery.com>
+
+ * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
+ some multilibs.
+
+2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
+
+ PR 30635
+ * doc/install.texi: Document --enable-stage1-languages
+
+2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
+
+ * tree-pass.h (pass_into_cfg_layout_mode,
+ pass_outof_cfg_layout_mode): Declare.
+ * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
+ pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
+ * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
+ (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
+
+2007-03-12 Seongbae Park <seongbae.park@gmail.com>
+
+ * c-decl.c (warn_variable_length_array): New function.
+ Refactored from grokdeclarator to handle warn_vla
+ and handle unnamed array case.
+ (grokdeclarator): Refactored VLA warning case.
+ * c.opt (Wvla): New flag.
+ * doc/invoke.texi (Wvla): New warning.
+
+2007-03-12 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
+ (TARGET_SECTION_TYPE_FLAGS): New.
+
+2007-03-12 Richard Henderson <rth@redhat.com>
+
+ * config/darwin.c (machopic_reloc_rw_mask): New.
+ * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
+ * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
+
+2007-03-12 Mark Mitchell <mark@codesourcery.com>
+
+ * cppdefault.c (cpp_EXEC_PREFIX): New variable.
+ * cppdefault.h (cpp_PREFIX): Document.
+ (cpp_PREFIX_len): Likewise.
+ (cpp_EXEC_PREFIX): New variable.
+ * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
+ * c-incpath.c (add_standard_paths): Correct logic for relocating
+ paths within prefix.
+
+2007-03-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
+ fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
+ mode macro.
+ (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
+ fix_truncdfdi_sse using SSEMODEF mode macro.
+ (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
+ fix_truncdfsi_sse using SSEMODEF mode macro.
+ (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
+ (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
+
+2007-03-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
+ elfos.h to tm_file.
+
+2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
+
+ * tree.h : Add multiple_of_p declaration.
+ * fold-const.c (multiple_of_p): Make multiple_of_p public.
+ * ipa-type-escape.c (results_of_malloc): Redundant.
+ (visited_stmts): New. Visited stmt for walk_use_def_chains.
+ (cast_type): Extended with new members.
+ (check_cast): Returns cast_type.
+ (cast): New structure for data of walk_use_def_chains.
+ (is_malloc_result, is_cast_from_non_pointer_1,
+ is_cast_from_non_pointer,
+ is_array_access_through_pointer_and_index): New functions.
+ (look_for_casts): Returns cast types.
+ (check_call): Returns void.
+ (okay_pointer_operation): Use support of pointer plus index,
+ pointer plus constant and allow all multiplications.
+
+2007-03-11 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/31115
+ * tree-vrp.c (extract_range_from_binary_expr): Make sure
+ the shift count is positive and non-anti-range for RSHIFT_EXPR.
+ A shift count of zero is not special as with *_DIV_EXPR.
+ (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
+ direction.
+
+2007-03-11 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
+ the *_DIV_EXPR codes correctly with overflow infinities.
+
+2007-03-11 Ira Rosen <irar@il.ibm.com>
+
+ * tree-data-ref.c (analyze_offset): Add a return value (bool) to
+ indicate success/failure of the analysis. Add negation to subtrahend
+ in case of subtraction. Fail if both operands contain constants.
+ (create_data_ref): Fail if analyze_offset fails.
+
+2007-03-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (frndintxf2): Rename to ...
+ (rintxf2): ... this. Remove expander having same name.
+ (rintsf2, rintdf2): Implement using SSEMODEF macro.
+ (roundsf2, rounddf2): Ditto.
+ (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
+ (lround<mode>di2, lround<mode>si2): Ditto.
+
+2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * lower-subreg.c: Include except.h.
+ (decompose_multiword_subregs): Verify that the only control flow
+ insns we can split are loads to multi-words pseudos.
+ Handle breaking such blocks after splitting, instead of calling
+ find_many_sub_basic_blocks.
+
+ * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
+ on the new basic block. Add a lengthy comment explaining why we
+ thought this was necessary.
+ * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
+
+2007-03-10 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/30924
+ * tree.c (walk_type_fields): Recurse into the element type of
+ ARRAY_TYPEs if there is a pointer set.
+
+2007-03-10 Dirk Mueller <dmueller@suse.de>
+
+ * c-common.c (warn_logical_operator): Fix condition.
+
+2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
+
+ * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
+ quotation mark.
+ * config/darwin.c (machopic_select_section): Remove superfluous
+ argument in call to categorize_decl_for_section. Remove unused
+ variable shlib.
+
+2007-03-10 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac (glibc_header_dir): Set using with_build_sysroot if
+ defined.
+ * configure: Regenerate.
+
+2007-03-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/31101
+ * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
+ (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
+ (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
+ Add LABEL_NUSES to emitted label.
+ * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
+ branch probability value to emitted jump insn.
+ * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
+ Do not check life information and do not re-arrange input operands
+ for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
+
+2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
+ the change of decode_asm_operands.
+
+2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * mode-switching.c (create_pre_exit): Skip blockage insn.
+
+2007-03-09 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-pass.h (TODO_update_smt_usage): Remove.
+ Update all users.
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
+ argument SOME.
+ Update all users.
+
+2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (attr_length_call): Revise condition for long pc-relative branch.
+ (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
+ calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
+ SOM target.
+
+2007-03-09 Geoffrey Keating <geoffk@apple.com>
+
+ * gcc.c: Document %{, in big comment at top.
+ (input_suffix_matches): Remove special handling for .s and
+ .S.
+ (input_spec_matches): New.
+ (handle_braces): Handle %{,.
+ (validate_switches): ',' indicates a value which is not a switch.
+ * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
+ to detect assembler input.
+ * config/i386/sol2.h (CPP_SPEC): Likewise.
+ * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
+ * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
+ * config/rs6000/lynx.h (ASM_SPEC): Likewise.
+ * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
+ * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
+ -m64 causes deployment target to default to 10.5.
+ * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
+
+2007-03-09 Richard Henderson <rth@redhat.com>
+
+ PR target/26090
+ * target.h (targetm.asm.out.reloc_rw_mask): New.
+ * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
+ (TARGET_ASM_OUT): Use it.
+ * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
+ * varasm.c (categorize_decl_for_section): Remove shlib argument;
+ use the new reloc_rw_mask target hook instead.
+ (default_section_type_flags_1): Merge into...
+ (default_section_type_flags): ... here.
+ (decl_readonly_section_1): Merge into...
+ (decl_readonly_section): ... here.
+ (default_elf_select_section_1): Merge into...
+ (default_elf_select_section): ... here.
+ (default_unique_section_1): Merge into...
+ (default_unique_section): ... here.
+ (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
+ (default_select_rtx_section): Use it.
+ (default_elf_select_rtx_section): Likewise.
+ * output.h: Update to match.
+ * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
+ (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/i386/i386.c (x86_64_elf_select_section): Adjust call
+ to categorize_decl_for_section.
+ (x86_64_elf_unique_section): Likewise.
+ * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
+ TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
+ (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/ia64/ia64.c (ia64_rwreloc_select_section,
+ ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
+ (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
+ (TARGET_RWRELOC): Remove.
+ (ia64_section_type_flags): Adjust call to default_section_type_flags.
+ * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
+ * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
+ (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
+ (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
+ (rs6000_xcoff_select_section): Use decl_readonly_section.
+ (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
+ * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
+ (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
+ (TARGET_SECTION_TYPE_FLAGS): Remove.
+ * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
+
+2007-03-09 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_comparison): Remove compile-time evaluation of
+ complex constant equality/inequality comparisons for here.
+ (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
+ known at compile-time or can be simplified to a scalar comparison.
+ (fold_relational_const): Move compile-time evaluation of complex
+ constant equality/inequality comparisons to here.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ PR rtl-optimization/30643
+ * cse.c (cse_insn): Recompute dest_hash after insert_regs for
+ dest_addr_elt.
+ (fold_rtx): Recurse, like before 2006-11-03.
+
+2007-03-09 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
+ m32c-pragma.o.
+
+2007-03-09 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/30375
+ * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
+ LHS of statements is not the same.
+ * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
+
+2007-03-09 Chao-ying Fu <fu@mips.com>
+
+ * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
+ REV 2.
+ * doc/invoke.texi (-mdspr2): Document new option.
+ * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
+ New unspec for DSP REV 2.
+ (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
+ these instructions are extended in DSP REV 2.
+ (mips-dspr2.md): Include.
+ * config/mips/mips.opt (mdspr2): New option.
+ * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
+ MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
+ MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
+ (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
+ (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
+ (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
+ (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
+ and 2 builtins.
+ (bdesc_map): Add one field of unsupported_target_flags.
+ (bdesc_arrays): Update entries to have extra fields. Add
+ dsp_32only_bdesc.
+ (mips_init_builtins): Initialize new function types.
+ Check unsupported_target_fileds to filter out builtins.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
+ TARGET_DSPR2.
+ (ASM_SPEC): Pass mdspr2 to the assembler.
+ * config/mips/mips-dspr2.md: New file.
+
+2007-03-09 Sa Liu <saliu@de.ibm.com>
+
+ * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
+
+2007-03-09 Ian Lance Taylor <iant@google.com>
+
+ * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
+ argument) like -Wstrict-overflow=2.
+ * doc/invoke.texi (Warning Options): Update documentation.
+
+2007-03-09 Dirk Mueller <dmueller@suse.de>
+
+ PR c++/17946
+ * doc/invoke.texi (-Wlogical-op): Document.
+ * common.opt (-Wlogical-op): New.
+ * c-common.h (warn_logical_operator): Declare.
+ * c-common.c (warn_logical_operator): Define.
+ * c-typeck.c (parser_build_binary_op): Call
+ warn_logical_operator.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
+ * final.c (final_scan_insn): Test for non-"" file name.
+
+2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
+
+ * doc/loop.texi: Document the Omega linear constraints solver.
+ * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
+ omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
+ omega-hash-table-size, omega-max-keys, and
+ omega-eliminate-redundant-constraints.
+ * tree-pass.h (pass_check_data_deps): Declared.
+ * omega.c: New.
+ * omega.h: New.
+ * timevar.def (TV_CHECK_DATA_DEPS): Declared.
+ * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
+ pass_check_data_deps): New.
+ * tree-data-ref.c (init_data_ref): Remove declaration.
+ (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
+ (analyze_array): Renamed init_array_ref, move up initializations.
+ (init_data_ref): Renamed init_pointer_ref. Moved before its call.
+ Removed arguments that are set to NULL.
+ (analyze_indirect_ref): Correct indentation, correct call to
+ init_pointer_ref.
+ (object_analysis): Call init_array_ref instead of analyze_array.
+ (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
+ (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
+ of DR_ACCESS_FNS_ADDR.
+ (init_omega_eq_with_af, omega_extract_distance_vectors,
+ omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
+ ddr_consistent_p): New.
+ (compute_affine_dependence): Check consistency of ddrs when
+ flag_check_data_deps is passed.
+ (analyze_all_data_dependences): Uncomment.
+ (tree_check_data_deps): New.
+ * tree-data-ref.h: Include omega.h.
+ (DR_ACCESS_FNS_ADDR): Removed.
+ (data_dependence_relation): Add inner_loop.
+ (DDR_INNER_LOOP): New.
+ * common.opt (fcheck-data-deps): New.
+ * tree-flow.h (tree_check_data_deps): Declare.
+ * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
+ (OBJS-common): Depend on omega.o.
+ (omega.o): Define.
+ * passes.c (pass_check_data_deps): Scheduled.
+ * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
+ PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
+ PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
+ PARAM_VECT_MAX_VERSION_CHECKS,
+ PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
+
+2007-03-09 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30904
+ PR middle-end/31058
+ * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
+ the same way as *_DIV_EXPR.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * recog.c (decode_asm_operands): No mixed declarations and code.
+
+2007-03-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.def (ASM_INPUT): Add location.
+ * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
+ (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
+ (decode_asm_operands): Add loc operand.
+ (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
+ * stmt.c (expand_asm): Rename to...
+ (expand_asm_loc): ... this. Add locus argument. Pass it on to
+ gen_rtx_ASM_INPUT_loc.
+ (expand_asm_expr): Adjust.
+ * recog.c (decode_asm_operands): Add loc operand.
+ (check_asm_operands, extract_insn): Adjust.
+ * reload1.c (maybe_fix_stack_asms): Likewise.
+ * final.c (asm_insn_count): Likewise.
+ (final_scan_insn): Output # line before and after asm.
+
+2007-03-09 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c (variable_info): Remove
+ finished_solution.
+ (new_var_info): Ditto.
+ (shared_bitmap_info_t): New structure.
+ (shared_bitmap_table): New variable.
+ (shared_bitmap_hash): New function.
+ (shared_bitmap_eq): Ditto
+ (shared_bitmap_lookup): Ditto.
+ (shared_bitmap_add): Ditto.
+ (merge_smts_into): Change to take bitmap directly.
+ (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
+ (init_alias_vars): Init shared bitmap hashtable.
+ (delete_points_to_sets): Delete shared bitmap hashtable.
+ * tree-ssa-operands.c (add_virtual_operand): Partially revert the
+ is_aliased removal as a change that was still necessary was
+ deleted.
+
+2007-03-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (override_options): Conditionally disable
+ x86_sahf for 64bit targets only.
+
+2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR C/31072
+ * c-decl.c (merge_decls): Don't call make_var_volatile.
+ * varasm.c (make_var_volatile): Remove.
+ * output.h (make_var_volatile): Remove.
+
+2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/31085
+ * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
+
+2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
+ llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
+ ATTR_CONST_NOTHROW_LIST.
+
+ * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
+ FIX_TRUNC_EXPR.
+
+2007-03-08 Diego Novillo <dnovillo@redhat.com>
+
+ * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
+
+2007-03-08 Geoffrey Keating <geoffk@apple.com>
+
+ PR 31013
+ * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
+ is declared.
+ * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
+ passed, use shared libgcc.
+
+2007-03-08 Roger Sayle <roger@eyesopen.com>
+
+ * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
+ instead of calling build2 with a GIMPLE_MODIFY_STMT.
+ (honor_protect_cleanup_actions, lower_try_finally_switch):
+ Likewise.
+ * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
+ ifc_temp_var): Likewise.
+ * tree-inline.c (setup_one_parameter): Likewise.
+ * tree-mudflap.c (mf_decl_cache_locals,
+ mf_build_check_statement_for): Likewise.
+ * tree-nested.c (init_tmp_var, save_tmp_var,
+ finalize_nesting_tree_1): Likewise.
+ * tree-outof-ssa.c (insert_copy_on_edge,
+ insert_backedge_copies): Likewise.
+ * tree-profile.c (tree_gen_edge_profiler,
+ tree_gen_ic_profiler): Likewise.
+ * tree-scalar-evolution.c (scev_const_prop): Likewise.
+ * tree-sra.c (sra_build_assignment): Likewise.
+ * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
+ * tree-ssa-math-opts.c (insert_reciprocals,
+ execute_cse_sincos_1): Likewise.
+ * tree-tailcall.c (adjust_accumulator_values,
+ adjust_return_value): Likewise.
+ * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
+ * tree-vect-transform.c (vect_create_data_ref_ptr,
+ bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
+ vect_create_epilog_for_reduction, vectorizable_reduction,
+ vectorizable_call, vectorizable_conversion,
+ vectorizable_assignment, vectorizable_operation,
+ vectorizable_type_demotion, vect_gen_widened_results_half,
+ vect_permute_store_chain, vectorizable_store,
+ vect_setup_realignment, vect_permute_load_chain,
+ vectorizable_load, vectorizable_condition,
+ vect_create_cond_for_align_checks): Likewise.
+ * tree-vrp.c (build_assert_expr_for): Likewise.
+
+2007-03-08 Ian Lance Taylor <iant@google.com>
+
+ * tree-vrp.c: Include "intl.h".
+ (usable_range_p): New static function.
+ (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
+ overflowed values, juts set *strict_overflow_p.
+ (compare_values): Only return -2 if one of the operands is not a
+ constant.
+ (compare_ranges): Call usable_range_p.
+ (compare_range_with_value): Likewise.
+ (vrp_evaluate_conditional_warnv): Rename from
+ vrp_evaluate_conditional. Make static. Change all callers.
+ (vrp_evaluate_conditional): New function.
+ (simplify_div_or_mod_using_ranges): Issue warning about reliance
+ on signed overflow.
+ (simplify_abs_using_ranges): Likewise.
+ (simplify_stmt_for_jump_threading): Add within_stmt parameter.
+ * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
+ within_stmt parameter.
+ * tree-ssa-propagate.c (fold_predicate_in): Update call to
+ vrp_evaluate_conditional.
+ * tree-ssa-threadedge.c
+ (record_temporary_equivalences_from_stmts_at_dest): Change
+ simplify parameter to take a second tree parameter.
+ (simplify_control_stmt_condition): Likewise.
+ (thread_across_edge): Likewise.
+ * tree-flow.h (vrp_evaluate_conditional): Update declaration.
+ (thread_across_edge): Likewise.
+ * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
+
+2007-03-08 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (TARGET_SAHF): New define.
+ * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
+ Also enable for m_K8, m_AMDFAM10 and m_CORE2.
+ (x86_sahf): New global variable.
+ (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
+ pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
+ nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
+ in processor flags. Do not unconditionally disable TARGET_USE_SAHF
+ for 64-bit.
+ (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
+ (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
+ when expanding fcomi/sahf based tests.
+ (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
+ expanding sahf based alternative. Emit sahf based sequence when
+ optimizing for code size.
+ * config/i386/i386.md (x86_sahf_1): Do not disable for
+ TARGET_64BIT, enable for TARGET_SAHF.
+
+2007-03-08 Martin Michlmayr <tbm@cyrius.com>
+
+ * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
+ spurious whitespace from error message.
+
+2007-03-08 Volker Reichelt <reichelt@netcologne.de>
+
+ PR c++/30852
+ * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
+
+2007-03-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-decl.c (grokdeclarator): Disable warnings for anonymous
+ bitfields.
+ * tree-sra.c (instantiate_element): Propagate disabled warnings
+ from the element itself to the created variable.
+
+2007-03-07 Richard Henderson <rth@redhat.com>
+
+ PR target/30848
+ * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
+ silently fix up the stack in the case of a missing register.
+
+2007-03-07 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
+
+2007-03-07 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
+ New.
+ (phase1_vrs): Use them.
+ (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
+ (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
+ __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
+ (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
+ __gnu_Unwind_Restore_WMMXC if required.
+ (_Unwind_VRS_Pop): Implement iWMMXt support.
+ * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
+ gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
+ gnu_Unwind_Save_WMMXC): Define.
+
+2007-03-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (vxworks_override_options): Declare.
+ (VXWORKS_OVERRIDE_OPTIONS): Use it.
+ * config/vxworks.c: Include target.h and toplev.h.
+ (vxworks_override_options): New function.
+ * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
+
+2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (override_options): Don't emit an error when
+ -mstack-size is used without providing -mstack-guard.
+ (s390_emit_prologue): Choose stack_guard value automatically if not
+ provided via command line.
+ * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
+
+2007-03-07 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/i386.c (output_set_got): Add a GOT initialization
+ sequence for VxWorks PIC.
+ (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
+ around labels as well as symbols. Use gotoff_operand instead
+ of local_symbolic_operand.
+ (legitimize_pic_address): Use gotoff_operand instead of
+ local_symbolic_operand. Use @GOT accesses for labels as
+ well as symbols.
+ (ix86_output_addr_diff_elt): Use PC-relative rather than
+ GP-relative offsets for VxWorks PIC.
+ (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
+ no_new_pseudos. Check whether the returned register is op0.
+ * config/i386/i386.md (tablejump): Use PC-relative rather than
+ GP-relative offsets for VxWorks PIC.
+ * config/i386/predicates.md (gotoff_operand): New predicate.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
+ before defining.
+ * config/vxworks-dummy.h: New file.
+ * config/i386/i386.h: Include it.
+
+2007-03-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * dwarf2out.c (is_inlined_entry_point): New
+ (add_high_low_attributes): Emit DW_AT_entry_pc along with
+ DW_AT_ranges if the first subblock is the entry point.
+
+2007-03-06 David Daney <ddaney@avtrex.com>
+
+ * doc/install.texi (mips-*-*): Change recommended binutils
+ version.
+
+2007-03-06 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
+ ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
+ devices.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
+
+2007-03-06 Jan Hubicka <jh@suse.cz>
+
+ * errors.h (warning, error, fatal, internal_error): Mark as cold.
+ * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
+ are hot.
+ (probably_cold_bb_p): Cold functions are cold.
+ (probably_never_executed_bb_p): Cold functions are cold.
+ (tree_bb_level_predictions): Predict calls to cold functions as not
+ taken.
+ (compute_function_frequency): Check hot/cold attributes.
+ * function.h (function_frequency): Update comments.
+ * predict.def (PRED_COLD_FUNCTION): Predict cold function.
+ * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
+ (c_common_att): Add cold and hot.
+
+ * doc/extend.texi (hot,cold attributes): Document.
+
+2007-03-06 Andrew Haley <aph@redhat.com>
+
+ * function.c (expand_function_end): Move blockage to just after we
+ emit the label for the naked return from the function.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
+ before redefining.
+
+2007-03-06 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
+ loaded for constant large models. Non-large 64bit PIC can do.
+ * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
+ * cmodel.h: Add LARGE PIC.
+ * i386.md (UNSPEC_PLTOFF): New.
+ (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
+ needed.
+ (*call_1_rex64): Disable for large models.
+ (*call_1_rex64_large): New.
+ (*call_value_1_rex64): Disable for large models.
+ (*call_value_1_rex64_large): New.
+ (set_rip_rex4): New.
+ (set_got_offset_rex64): New.
+ * predicates.md (constant_call_address_operand): For large model
+ constant calls are not possible.
+ * i386-protos.h (construct_plt_address): Declare.
+ * i386.c (override_options): Accept large models.
+ (ix86_expand_prologue): Expand large PIC GOT pointer load.
+ (legitimate_constant_p): Add new UNSPECs.
+ (legitimate_pic_operand_p): Likewise.
+ (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
+ (legitimize_pic_address): Do easy RIP relative way for TLS only for
+ non-large model.
+ (output_pic_addr_const): Add PLTOFF.
+ (ix86_output_addr_diff_elt): Output 64bit tables when needed.
+ (ix86_expand_move): Legitimize pic address when in PIC mode.
+ (construct_plt_address): New function.
+ (ix86_expand_call): Offload the address to register and use GOT pointer
+ for large model.
+ * invoke.texi (mcmodel=large): Update documentation.
+
+2007-03-06 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (x86_use_leave, x86_push_memory,
+ x86_zero_extend_with_and, x86_movx, x86_double_with_add,
+ x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
+ x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
+ x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
+ x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
+ x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
+ x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
+ x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
+ x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
+ x86_sse_partial_reg_dependency, x86_sse_split_regs,
+ x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
+ x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
+ x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
+ x86_schedule, x86_use_bt, x86_pad_returns,
+ x86_use_xchgb): Merge into ...
+ (ix86_tune_features): ... here. New array.
+ (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
+ x86_bswap): Merge into ...
+ (ix86_arch_features): ... here. New array.
+ (x86_3dnow_a): Remove.
+ (x86_accumulate_outgoing_args): Make static.
+ (x86_arch_always_fancy_math_387): Make static.
+ (ix86_tune_mask, ix86_arch_mask): Move ...
+ (override_options): ... to local variables here. Apply the
+ appropriate mask to each element of ix86_arch_features and
+ ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
+ as were done in the old macros.
+ (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
+ * config/i386/i386.h (x86_use_leave, x86_push_memory,
+ x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
+ x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
+ x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
+ x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
+ x86_read_modify_write, x86_read_modify, x86_split_long_moves,
+ x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
+ x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
+ x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
+ x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_accumulate_outgoing_args, x86_prologue_using_move,
+ x86_epilogue_using_move, x86_decompose_lea,
+ x86_arch_always_fancy_math_387, x86_shift1,
+ x86_sse_partial_reg_dependency, x86_sse_split_regs,
+ x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
+ x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
+ x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
+ x86_use_incdec, x86_pad_returns, x86_bswap,
+ x86_partial_flag_reg_stall): Remove.
+ (enum ix86_tune_indices): New.
+ (ix86_tune_features): New.
+ (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
+ TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
+ TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
+ TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
+ TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
+ TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
+ TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
+ TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
+ TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
+ TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
+ TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
+ TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
+ TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
+ TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
+ TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
+ TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
+ TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
+ TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
+ TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
+ TARGET_EXT_80387_CONSTANTS): Use it.
+ (enum ix86_arch_indices): New.
+ (ix86_arch_features): New.
+ (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
+ TARGET_BSWAP): Use it.
+ (ix86_tune_mask, ix86_arch_mask): Remove.
+
+2007-03-06 Joseph Myers <joseph@codesourcery.com>
+
+ PR bootstrap/31020
+ * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
+ Define using $${sysroot_headers_suffix}.
+ * configure: Regenerate.
+ * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
+ multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
+ defined.
+ * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
+ * gcc.c (print_sysroot_headers_suffix): New.
+ (option_map): Include --print-sysroot-headers-suffix.
+ (display_help): Mention -print-sysroot-headers-suffix.
+ (process_command): Handle -print-sysroot-headers-suffix.
+ (do_spec_1): Append multilib directory to include-fixed path if
+ sysroot suffixes in use.
+ (main): Handle -print-sysroot-headers-suffix.
+ * Makefile.in (start.encap): Don't depend on xlimits.h
+ (xlimits.h): Remove.
+ (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
+ limits.h for each multilib in fixinc_list.
+ (fixinc_list, s-fixinc_list): New.
+ (stmp-fixinc): Depend on fixinc_list. If not copying headers,
+ generate them for each multilib in fixinc_list.
+ (stmp-fixproto): Use include-fixed. Run fixproto for each
+ multilib in fixinc_list.
+ (mostlyclean): Don't remove xlimits.h.
+ (clean): Remove include-fixed.
+ (real-install-headers-tar, real-install-headers-cpio,
+ real-install-headers-cp): Don't copy include, only include-fixed.
+ (install-mkheaders): Depend on fixinc_list. Don't depend on
+ xlimits.h. Save limits.h files for each multilib in fixinc_list.
+ Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
+ SYSTEM_HEADER_DIR setting in mkheaders.conf.
+
+2007-03-06 Jan Hubicka <jh@suse.cz>
+
+ * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
+ NANs easilly.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * configure.ac: Allow tm_file to contain build-directory files.
+ * configure: Regenerate.
+ * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
+ * config/m68k/t-uclinux (sysroot-suffix.h): New target.
+ * config/m68k/print-sysroot-suffix.sh: New file.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
+ of pic_offset_table_rtx if reload_completed.
+ (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
+ PIC_OFFSET_TABLE_REGNUM.
+ * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
+ return true.
+ (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
+ (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
+ functions that call eh_return.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
+ functions that need a constant pool.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/28181
+ * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
+ (m68k_preferred_reload_class): Likewise.
+ * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
+ (SECONDARY_RELOAD_CLASS): Define.
+ (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
+ (LIMIT_RELOAD_CLASS): Delete.
+ * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
+ registers from storing bytes.
+ (m68k_secondary_reload_class): New function.
+ (m68k_preferred_reload_class): Likewise.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_save_reg): Remove special case for
+ leaf functions.
+ (m68k_expand_prologue): Likewise.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (output_sibcall): Declare.
+ (mips_expand_epilogue): Add a bool parameter.
+ (m68k_legitimize_sibcall_address): Declare.
+ * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
+ (m68k_expand_epilogue): Add a parameter to select between sibling
+ and normal epilogues. Only generate a return for the latter.
+ (m68k_ok_for_sibcall_p): New function.
+ (m68k_legitimize_sibcall_address, output_sibcall): New functions.
+ * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
+ (sibcall_value, *sibcall_value): Likewise.
+ (*call, *call_value): Require !SIBLING_CALL_P.
+ (epilogue): Update call to m68k_expand_epilogue.
+ (sibcall_epilogue): New pattern.
+ * config/m68k/predicates.md (const_call_operand): Say that this
+ predicate applies to sibling calls too.
+ (sibcall_operand): New predicate.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
+ alternatives as movsi_cf.
+ (movsf_cf_hard): Add commentary.
+
+2007-03-06 Kazu Hirata <kazu@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
+ (m68k_movem_pattern_p, m68k_output_movem): Likewise.
+ (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
+ * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
+ as being live on exit from an interrupt function.
+ (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
+ * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
+ (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
+ (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
+ (m68k_interrupt_function_p): Globalize.
+ (m68k_compute_frame_layout): Remove reverse mask code.
+ (m68k_emit_movem, m68k_set_frame_related): New functions.
+ (m68k_output_function_prologue): Delete in favor of...
+ (m68k_expand_prologue): ...this new function.
+ (m68k_output_function_epilogue): Delete in favor of...
+ (m68k_expand_epilogue): ...this new function.
+ (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
+ functions.
+ (print_operand): Handle %?.
+ * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
+ (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
+ (prologue, epilogue): New patterns.
+ (return): Turn into a define_expand.
+ (*return): New pattern, derived from old "return" pattern. Use rte
+ rather than rts for interrupt functions. Only use rtd if the pop
+ count is nonzero.
+ (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
+ (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
+ (link, *link, unlink, *unlink, load_got): Likewise.
+
+2007-03-06 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/23482
+ PR target/17114
+ * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
+ (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
+ (m68k_matches_q_p, m68k_matches_u_p): Likewise.
+ * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
+ and m68k_matches_u_p.
+ (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
+ (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
+ (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
+ (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
+ (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
+ (REG_STRICT_P): New macro.
+ (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
+ PCREL_GENERAL_OPERAND_OK.
+ (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
+ m68k_legitimate_base_reg_p.
+ (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
+ (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
+ (PIC_CASE_VECTOR_ADDRESS): Update comment.
+ * config/m68k/m68k.c (m68k_address): New structure.
+ (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
+ (m68k_decompose_index, m68k_legitimate_constant_address_p)
+ (m68k_jump_table_ref_p, m68k_decompose_address)
+ (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
+ (m68k_matches_u_p): New functions.
+ (print_operand_address): Rewrite to use m68k_decompose_index.
+
+2007-03-05 David Taylor <dtaylor@emc.com>
+
+ * gcc.c: Correct copyright date in --version output.
+
+2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md: In unamed move patterns, disparge copies between general
+ and floating point registers using '?' modifier. Don't include 'f'
+ constraint for register preferences in DImode, SImode, HImode and
+ QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
+ Remove constraints for copies between general and floating registers
+ in soft-float DFmode pattern.
+ (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
+ floating register.
+ (movsf): Likewise.
+
2007-03-05 Mike Stump <mrs@apple.com>
- * c-common.c (targetcm): Add.
+ * c-common.c (targetcm): Add.
* c-opts.c (c_common_handle_option): Handle language specific
target options.
* opts.c (handle_option): Verify language for target options, if
of comparison of non-null ADDR_EXPR against null.
2007-03-05 Richard Guenther <rguenther@suse.de>
- Dorit Nuzman <dorit@il.ibm.com>
+ Dorit Nuzman <dorit@il.ibm.com>
PR tree-optimization/26420
* tree-vectorizer.c (vectorize_loops): Bail out early if there
2007-03-05 Revital Eres <eres@il.ibm.com>
- * gcc.dg/var-expand1.c: New test.
- * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
- when an accumulator is expanded.
+ * gcc.dg/var-expand1.c: New test.
+ * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
+ when an accumulator is expanded.
2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
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