On several ABIs, the first register parameter is the same as
the return value register. Moving the action parameter first
avoids the need for register shuffling on these targets.
* libitm_i.h (GTM_longjmp): Swap first and second arguments.
* beginend.c (_ITM_abortTransaction): Update to match.
(GTM::gtm_thread::restart): Likewise.
* config/alpha/sjlj.S (GTM_longjmp): Likewise.
* config/x86/sjlj.S (GTM_longjmp): Likewise.
From-SVN: r181863
PR middle-end/51089
* tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
avoid creating duplicate edges here.
(cleanup_empty_eh_unsplit): And remove it in the caller.
* gfortran.dg/gomp/pr51089.f90: New test.
From-SVN: r181859
2011-11-30 Andrew Pinski <apinski@cavium.com>
PR c/51321
* c-parser.c (c_parser_postfix_expression): Check groktypename results
before looking at the main variant.
2011-11-30 Andrew Pinski <apinski@cavium.com>
* gcc.dg/pr51321.c: New testcase.
From-SVN: r181857
PR rtl-optimization/48721
* sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
reg_pending_barrier to TRUE_BARRIER.
* gcc.target/i386/pr48721.c: New test.
From-SVN: r181856
* config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
* config/sparc/sparc.opt (mmemory-model=): New option.
* doc/invoke.texi (Sparc Options): Document it.
* config/sparc/sparc.c (sparc_option_override): Provide default
for sparc_memory_model.
(sparc_emit_membar_for_model): Omit barrier combinations that are
implied by the memory model.
From-SVN: r181853
* config/sparc/constraints.md ("w"): New.
* config/sparc/predicates.md (mem_noofs_operand): New.
* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
Generate the boolean result of the atomic_compare_exchange.
(sparc_expand_compare_and_swap): New.
* config/sparc/sync.md (atomic_compare_and_swap<I>): New.
(atomic_compare_and_swap<I48MODE>_1): Rename from
*sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
(*atomic_compare_and_swapdi_v8plus): Rename from
*sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
(sync_compare_and_swap<I12MODE>): Remove.
(sync_compare_and_swap<I48MODE>): Remove.
From-SVN: r181851
PR libgomp/51298
* config/linux/bar.h: Use atomic rather than sync builtins.
* config/linux/bar.c: Likewise. Add missing acquire
synchronisation on generation field.
* task.c (gomp_barrier_handle_tasks): Regain lock so as to not
double unlock.
From-SVN: r181833
PR tree-optimization/51247
* tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
types instead of adding 1 subtract -1 and instead of subtracting 1
add -1 to avoid overflows.
* gcc.c-torture/compile/pr51247.c: New test.
From-SVN: r181818
2011-11-29 Andrew MacLeod <amacleod@redhat.com>
PR target/50123
* optabs.c (maybe_optimize_fetch_op): New. Look for more optimal
instructions for a FECTH_OP or OP_FECTH sequence.
(expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
* testsuite/gcc.dg/atomic-op-optimize.c: New. Test for optimizations.
From-SVN: r181815
From Sanjoy Das.
* go-location.h: New file.
* go-linemap.cc: New file.
* go-gcc.cc: Change all uses of source_location to Location.
* Make-lang.in (GO_OBJS): Add go/go-linemap.o.
(GO_LINEMAP_H): New variable.
(GO_LEX_H): Use $(GO_LINEMAP_H).
(GO_GOGO_H, GO_TYPES_H, GO_IMPORT_H): Likewise.
(go/go-linemap.o): New target.
Co-Authored-By: Ian Lance Taylor <iant@google.com>
From-SVN: r181813
2011-11-29 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/40958
* module.c (prev_module_line): New variable.
(prev_module_column): New variable.
(prev_character): New variable.
(module_char): Update the new variables.
(module_unget_char): New function.
(parse_string): Use module_unget_char.
(parse_integer): Likewise.
(parse_name): Likewise.
From-SVN: r181810
* haifa-sched.c (recompute_todo_spec): Simplify and correct the
code checking for a clobber of a condition register when deciding
whether to predicate.
From-SVN: r181806
* gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
Update field call_stmt_cannot_inline_p from call graph edge, if
needed.
* gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
From-SVN: r181803
2011-11-29 François Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable.h (_Hashtable<>::_M_rehash): Remove code
useless now that the hashtable implementation put the hash code in
cache if the hash functor throws.
* testsuite/23_containers/unordered_set/erase/1.cc: Enhance test by
checking also distance between begin and end iterators to validate
underlying data model.
* testsuite/23_containers/unordered_multiset/erase/1.cc: Likewise.
* testsuire/23_containers/unordered_map/erase/1.cc: Likewise.
* testsuite/23_containers/unordered_multimap/erase/1.cc: Likewise.
* testsuite/23_containers/unordered_multiset/erase/2.cc: New.
* testsuite/23_containers/unordered_multimap/erase/2.cc: New.
From-SVN: r181799
John David Anglin
GCC Administrator
Richard Henderson
Jakub Jelinek
Andrew Pinski
Paolo Carlini
Matthew Gretton-Dann
Iain Sandoe
Alan Modra
Alan Modra
Ian Lance Taylor
Joseph Myers
Oleg Endo
DJ Delorie
Andreas Tobler
Andrew MacLeod
Sanjoy Das
Uros Bizjak
Uros Bizjak
Thomas Koenig
Michael Meissner
David Edelsohn
David Edelsohn
Bernd Schmidt
Yufeng Zhang
Diego Novillo
Sameera Deshpande
Tobias Burnus
François Dumont