+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 emmitted label.
+ * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
+ branch probability value to emmitted 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.
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