2007-11-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34148
* tree-ssa-structalias.c (create_variable_info_for): Do not use
field-sensitive PTA for single-element structures.
* tree-ssa-alias.c (create_overlap_variables_for): Do not create
SFTs for single-element structures.
From-SVN: r130329
2007-11-20 Richard Guenther <rguenther@suse.de>
PR middle-end/34154
* gimplify.c (gimplify_switch_expr): Use tree_int_cst_lt instead
of the signed INT_CST_LT.
* stmt.c (expand_case): Likewise.
(estimate_case_costs): Likewise.
* testsuite/gcc.c-torture/execute/pr34154.c: New testcase.
From-SVN: r130324
2007-11-20 Paolo Carlini <pcarlini@suse.de>
* include/bits/functional_hash.h: Do not include ext/numeric_traits.h.
* include/tr1/functional_hash.h: Likewise.
* include/std/functional: Include ext/type_traits.h.
* include/tr1/functional: Likewise.
From-SVN: r130314
PR c/34146
* c-gimplify.c (optimize_compound_literals_in_ctor): New function.
(c_gimplify_expr): Use it.
PR c/34146
* gcc.dg/tree-ssa/pr34146.c: New test.
PR testsuite/33978
* gcc.dg/tree-ssa/pr33723.c: Adjust scan pattern to make it less
dependent on target settings like move_by_pieces etc.
From-SVN: r130311
PR c++/28879
* tree.c (build_cplus_array_type_1): Don't pass any VLA types
when processing_template_decl to build_array_type.
* g++.dg/template/vla2.C: New test.
From-SVN: r130309
PR c++/33962
* pt.c (more_specialized_fn): Don't segfault if one or
both argument list end with ellipsis.
* g++.dg/overload/template3.C: New test.
From-SVN: r130308
PR debug/29436, c/32326
* tree.c (build_type_attribute_qual_variant): Refuse to make
a distinct copy of a struct/enum type. Use build_distinct_type_copy.
* doc/extend.texi (Type Attributes): Don't encourage people to add
attributes to struct/enum types in a typedef. Fix
transparent_union example.
* tree-inline.c (remap_type_1): Remove code that's redundant with
remap_type.
(build_duplicate_type): Set id.copy_decl.
* c-common.c (handle_transparent_union_attribute): Simplify logic.
From-SVN: r130297
* config/bfin/bfin.c (must_save_p): New function, mostly broken out of
n_dregs_to_save and n_pregs_to_save.
(n_pregs_to_save, n_dregs_to_save): Use it. New argument CONSECUTIVE;
all callers changed.
(expand_prologue_reg_save, expand_epilogue_reg_restore): Enhance to be
able to save single D/P registers that aren't saved by the push/pop
multiple insns.
From-SVN: r130292
2007-11-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34099
* tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
if only one operand is undefined.
* gcc.c-torture/execute/pr34099-2.c: New testcase.
From-SVN: r130290
2007-11-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34099
* tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
if only one operand is undefined.
* gcc.c-torture/execute/pr34099-2.c: New testcase.
From-SVN: r130289
PR tree-optimization/34036
* opts.c (set_fast_math_flags): Do not set flags in common
with set_unsafe_math_optimizations_flags, invoke it directly.
(set_unsafe_math_optimizations_flags): Unset flag_trapping_math
and flag_signed_zeros.
* toplev.c (process_options): Force flag_associative_math to 0 and
warn, if it is set and either flag_trapping_math or flag_signed_zeros
is set too.
* doc/invoke.texi (Optimize Options): Document the new behavior
of -funsafe-math-optimizations, that -fassociative-math requires
both -fno-signed-zeros and -fno-trapping-math and make it clear
that -fno-trapping-math requires -fno-signaling-nans.
From-SVN: r130286
PR c++/30988
semantics.c (finish_call_expr): Set current_function_returns_abnormally
if fn is noreturn FUNCTION_DECL or OVERLOAD with all noreturn
functions.
* g++.dg/warn/noreturn-4.C: New test.
* g++.dg/warn/noreturn-5.C: New test.
* g++.dg/warn/noreturn-6.C: New test.
* g++.dg/warn/noreturn-7.C: New test.
From-SVN: r130280
2007-11-18 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/32770
* gfortran.fortran-torture/execute/equiv_5.f: Set kind on
integers so tests works with -fdefault-integer-8.
* gfortran.fortran-torture/execute/elemental.f90: Use default
integers so test passes with -fdefault-integer-8.
* gfortran.fortran-torture/execute/der_io.f90: Increase
buffer length so test passes with -fdefault-integer-8.
* gfortran.dg/bounds_check_8.f90: Likewise.
* gfortran.dg/arrayio_derived_1.f90: LIkewise.
* gfortran.dg/equiv_7.f90: Set kind so test passes
with -fdefault-integer-8.
* gfortran.dg/g77/20030326-1.f: Set kind explicitly to
provoke overflow.
From-SVN: r130279