OSDN Git Service

* configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index d334f63..7a03e15 100644 (file)
@@ -1,3 +1,203 @@
+2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
+       to /dev/null.
+       * configure: Regenerate.
+
+2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
+       unused.
+       Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
+       * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
+       support in Sun ld.
+       * configure: Regenerate.
+
+2010-05-10  Richard Guenther  <rguenther@suse.de>
+
+       * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
+       marked if the entry identifier is marked.
+
+2010-05-10  Richard Guenther  <rguenther@suse.de>
+
+       * c-common.c (struct c_common_attributes): Add fnspec attribute.
+       (handle_fnspec_attribute): New function.
+       * gimple.h (gimple_call_return_flags): Declare.
+       (gimple_call_arg_flags): Likewise.
+       * gimple.c (gimple_call_arg_flags): New function.
+       (gimple_call_return_flags): Likewise.
+       * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
+       New argument flags.
+       (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
+       return value flags.
+       * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
+       * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
+       main work to ...
+       (make_heapvar_for): ... this new function.
+       (handle_rhs_call): Handle fnspec attribute argument specifiers.
+       (handle_lhs_call): Likewise.
+       (find_func_aliases): Adjust.
+
+2010-05-10  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/44050
+       * tree-inline.c (tree_function_versioning): Clone the ipa-pta
+       flag.
+
+2010-05-10  Wei Guozhi  <carrot@google.com>
+
+       PR target/42879
+       * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
+
+2010-05-09  Joseph Myers  <joseph@codesourcery.com>
+
+       PR c/10676
+       * c-typeck.c (lookup_field): Take a type directly.  Update
+       recursive calls.
+       (build_component_ref): Update call to lookup_field.
+       (set_init_label): Use lookup_field to find initialized field.
+       Handle returned list of fields like a sequence of designators.
+
+2010-05-09  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/44024
+       * fold-const.c (tree_single_nonzero_warnv_p): Properly
+       handle &FUNCTION_DECL.
+
+2010-05-09  Joseph Myers  <joseph@codesourcery.com>
+
+       PR c/4784
+       * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
+       structures and unions recursively.
+       (detect_field_duplicates): Move duplicate detection with a hash to
+       detect_field_duplicates_hash.  Always use a hash if anonymous
+       structures or unions are present.
+       * doc/extend.texi (Unnamed Fields): Document that duplicate fields
+       give errors.
+
+2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/44046
+       * config/i386/driver-i386.c (host_detect_local_cpu): Properly
+       detect Atom, Core 2 and Core i7.
+
+2010-05-09  Richard Guenther  <rguenther@suse.de>
+
+       * gcc.c (store_arg): Handle temporary file deletion for
+       joined arguments.
+
+2010-05-09  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/44043
+       * ipa-inline.c (estimate_function_body_sizes): Return after
+       disregarding inline limits.
+
+2010-05-09  Richard Guenther  <rguenther@suse.de>
+
+       * gcc.c (store_arg): Revert last change.
+
+2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
+
+       PR middle-end/28685
+       * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
+       (optimize_ops_list): Call it.
+
+2010-05-08  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/44030
+       * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
+       NECESSARY flag if we propagate from a inserted expression.
+
+2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
+       domain types as equal if they are both PLACEHOLDER_EXPRs.
+
+2010-05-08  Richard Guenther  <rguenther@suse.de>
+
+       * lto-wrapper.c (run_gcc): Remove linker output from
+       command line for LTRANS invocation.
+
+2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
+       lto-macho as lto_binary_reader.
+       * target.h (struct gcc_target): New hooks lto_start and lto_end.
+       * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
+       * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
+       in lto_start and lto_end calls.
+       (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
+       magic numbers.
+       (scan_prog_file): Update is_elf_or_coff call.
+       * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
+
+       * collect2.c (main): Fix enum comparison.
+
+       * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
+       Add prototypes.
+       * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
+       * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
+       and TARGET_ASM_LTO_END.
+       * darwin.c: Include obstack.h and lto-streamer.h.
+       (lto_section_names_offset, lto_section_names_obstack,
+       lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
+       global variables.
+       (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
+       (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
+       to a temporary file.
+       (darwin_asm_lto_end): New function.  Restore asm_out_file.
+       (darwin_asm_named_section): For LTO sections, replace the name with
+       the offset of the section name in a string table, and build this
+       table.
+       (darwin_file_start): Initialize global vars for LTO support.
+       (darwin_file_end): If output to asm_out_file was redirected, append it
+       to the proper asm_out_file here.  Add the section names section.
+
+2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * c-pragma.c (pending_weak_d, pending_weak): New.
+       (pending_weaks): Change the type to VEC((pending_weak,gc) *.
+       (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
+       handle_pragma_weak): Update the uses of pending_weaks.
+
+2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       PR documentation/44016
+       * doc/standards.texi (Standards): Link to unversioned
+       cxx0x_status.html page.
+
+2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
+
+       PR target/43708
+       * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
+       in addition to TREE_USED, to avoid "set but unused" warnings.
+
+2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
+
+       * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
+       (is_loop_prefetching_profitable): Do not insert prefetches
+       when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
+       times the prefetch ahead distance.
+
+2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
+
+       * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
+       Account for loop unrolling in the insn-to-prefetch ratio heuristic.
+       (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
+       the unroll_factor.
+
+2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
+
+       * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
+       a diagnostic info when the insn-to-mem ratio is too small.
+
+2010-05-07  Richard Guenther <rguenther@suse.de>
+
+       * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
+       the linker plugin.
+       (store_arg): Queue temp_filename for deletion instead of
+       the whole argument.
+
 2010-05-07  Richard Guenther  <rguenther@suse.de>
 
        * lto-wrapper.c (DUMPBASE_SUFFIX): Define.