1 new GCC HEAD@178693 regression

[GCC regression tester]

With your recent patch, GCC HEAD revision 178693 had problems on:
native: regress-9 (1 NEW failures)
The previous build was of revision 178688.

Regressions for native:
NEW   gcc.sum gcc.dg/attr-invalid.c
old   gcc.sum gcc.dg/guality/vla-2.c
old   gcc.sum gcc.dg/torture/tls/thr-init-1.c
old   gcc.sum gcc.dg/torture/tls/thr-init-2.c
old   gcc.sum gcc.dg/torture/tls/tls-test.c
old   gcc.sum gcc.dg/tree-ssa/vrp47.c
old   gfortran.sum gfortran.dg/actual_array_constructor_1.f90
old   libiberty/pic/cplus-dem.o differs
old   libiberty/pic/crc32.o differs

Log information for changes since the last build:
------------------------------------------------------------------------
r178689 | hjl | 2011-09-08 06:41:27 -0700 (Thu, 08 Sep 2011) | 31 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/config/i386/i386-protos.h
   M /trunk/gcc/config/i386/i386.c
   M /trunk/gcc/config/i386/i386.md

Improve AGU stalls avoidance optimization.

2011-09-08  Enkovich Ilya  <ilya.enkovich@intel.com>

	* config/i386/i386-protos.h (ix86_lea_outperforms): New.
	(ix86_avoid_lea_for_add): Likewise.
	(ix86_avoid_lea_for_addr): Likewise.
	(ix86_split_lea_for_addr): Likewise.

	* config/i386/i386.c (LEA_MAX_STALL): New.
	(increase_distance): Likewise.
	(insn_defines_reg): Likewise.
	(insn_uses_reg_mem): Likewise.
	(distance_non_agu_define_in_bb): Likewise.
	(distance_agu_use_in_bb): Likewise.
	(ix86_lea_outperforms): Likewise.
	(ix86_ok_to_clobber_flags): Likewise.
	(ix86_avoid_lea_for_add): Likewise.
	(ix86_avoid_lea_for_addr): Likewise.
	(ix86_split_lea_for_addr): Likewise.
	(distance_non_agu_define): Search in pred BBs added.
	(distance_agu_use): Search in succ BBs added.
	(IX86_LEA_PRIORITY): Value changed from 2 to 0.
	(LEA_SEARCH_THRESHOLD): Now depends on LEA_MAX_STALL.
	(ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision.

	* config/i386/i386.md: Split added to transform non destructive
	add into move and add.
	(lea_1): transformed into insn_and_split to avoid AGU stalls.
	(lea<mode>_2): Likewise.

------------------------------------------------------------------------
r178692 | dodji | 2011-09-08 06:54:24 -0700 (Thu, 08 Sep 2011) | 57 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/c-decl.c
   M /trunk/gcc/c-family/ChangeLog
   M /trunk/gcc/c-family/c-common.c
   M /trunk/gcc/c-family/c-common.h
   M /trunk/gcc/c-family/c.opt
   M /trunk/gcc/cp/ChangeLog
   M /trunk/gcc/cp/decl.c
   M /trunk/gcc/cp/decl2.c
   M /trunk/gcc/cp/name-lookup.c
   M /trunk/gcc/cp/parser.c
   M /trunk/gcc/doc/invoke.texi
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/c-c++-common/Wunused-local-typedefs.c
   A /trunk/gcc/testsuite/g++.dg/warn/Wunused-local-typedefs.C
   M /trunk/libstdc++-v3/ChangeLog
   M /trunk/libstdc++-v3/include/ext/bitmap_allocator.h
   M /trunk/libstdc++-v3/src/istream.cc
   M /trunk/libstdc++-v3/src/valarray.cc

PR c++/33255 - Support -Wunused-local-typedefs warning

gcc/

	* c-decl.c (lookup_name): Use the new
	maybe_record_typedef_use.
	(pushdecl): Use the new
	record_locally_defined_typedef.
	(store_parm_decls): Allocate cfun->language.
	(finish_function): Use the new maybe_warn_unused_local_typedefs,
	and free cfun->language.
	(c_push_function_context): Allocate cfun->language here only if
	needed.
	(c_pop_function_context): Likewise, mark cfun->language
	for collection only when it should be done.
	* c-common.c (handle_used_attribute): Don't ignore TYPE_DECL
	nodes.
	* c-typeck.c (c_expr_sizeof_type, c_cast_expr): Use the new
	maybe_record_local_typedef_use.

gcc/c-family

	* c-common.h (struct c_language_function::local_typedefs): New
	field.
	(record_locally_defined_typedef, maybe_record_typedef_use)
	(maybe_warn_unused_local_typedefs): Declare new functions.
	* c-common.c (record_locally_defined_typedef)
	(maybe_record_typedef_use)
	(maybe_warn_unused_local_typedefs): Define new functions.
	* c.opt: Declare new -Wunused-local-typedefs flag.

gcc/cp

	* name-lookup.c (pushdecl_maybe_friend_1): Use the new
	record_locally_defined_typedef.
	* decl.c (finish_function): Use the new
	maybe_warn_unused_local_typedefs.
	(grokfield): Use the new record_locally_defined_typedef.
	* parser.c (lookup_name): Use the new maybe_record_typedef_use.

gcc/doc/

	* invoke.texi: Update documentation for -Wunused-local-typedefs.

gcc/testsuite/

	* g++.dg/warn/Wunused-local-typedefs.C: New test file.
	* c-c++-common/Wunused-local-typedefs.c: Likewise.

libstdc++-v3/

	* include/ext/bitmap_allocator.h
	(__detail::__mini_vector::__lower_bound): Remove unused typedef.
	* src/istream.cc (std::operator>>(basic_istream<char>& __in,
	basic_string<char>& __str)): Likewise.
	(std::getline): Likewise.
	* src/valarray.cc (__valarray_product): Likewise.
------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

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-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)