* tree-vect-generic.c: Include target.h.
(expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
* Makefile.in (tree-vect-generic.o): Update.
From-SVN: r189081
toplevel/
* configure.ac: Skip C if explicitly selected.
* configure: Regenerate.
gcc/
* configure.ac: Remove special gtfiles case for C.
* configure: Regenerate.
* Makefile.in: Remove C front-end hooks and build hooks that
will be picked up from c/Make-lang.in now.
Add tree-mudflap to C_COMMON_OBJS.
* gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
* config/vms/vms.c: Look for c-tree.h in c/.
* doc/gty.texi: Remove reference to c-config-lang.in.
* doc/sourcebuild.texi: Document the c/ subdirectory.
c/
* Make-lang.in: New file, rules migrated from gcc/Makefile.in
and add language Makefile hooks.
* config-lang.in: New file.
* c-config-lang.in: Moved from gcc/config-lang.in to here, and
add the required "normal" config-lang.in rules.
* c-lang.h: Moved from gcc/ to here.
* c-tree.h: Likewise.
* c-objc-common.c: Likewise.
* c-objc-common.h: Likewise.
* c-typeck.c: Likewise.
* c-convert.c: Likewise.
* c-lang.c: Likewise.
* c-aux-info.c: Likewise.
* c-errors.c: Likewise.
* gccspec.c: Likewise.
* c-decl.c: Likewise. Include gt-c-c-decl.h, not gt-c-decl.h.
* c-parser.c: Likewise. Include gt-c-c-parser.h, not gt-c-parser.h.
c-family/
* cppspec.c: Moved from gcc/ to here.
objc/
* Make-ang.in: Adjust for move of C front-end files.
* config-lang.in: Likewise.
* objc-encoding.c: Look for cp-tree.h in cp/, and for c-tree.h
and c-lang.h in c/.
* objc-runtime-shared-support.c: Likewise.
* objc-next-runtime-abi-01.c: Likewise.
* objc-next-runtime-abi-02.c: Likewise.
* objc-gnu-runtime-abi-01.c: Likewise.
* objc-act.c: Likewise.
* objc-lang.c: Likewise.
cp/
* Make-lang.in: Remove tree-mudflap.o from CXX_AND_OBJCXX_OBJS.
From-SVN: r189080
* tree-vect-stmts.c (vectorizable_operation): Check both
VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).
From-SVN: r189064
PR tree-optimization/51581
* tree-vect-stmts.c (permute_vec_elements): Add forward decl.
(vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
* tree-vect-patterns.c (vect_recog_divmod_pattern): Use
MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.
* gcc.dg/vect/pr51581-4.c: New test.
From-SVN: r189053
PR tree-optimization/53645
* tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
if possible.
* gcc.c-torture/execute/pr53645-2.c: New test.
From-SVN: r189052
2012-06-28 Richard Guenther <rguenther@suse.de>
PR middle-end/53790
* expr.c (expand_expr_real_1): Verify if the type is complete
before inspecting its size.
* gcc.dg/torture/pr53790.c: New testcase.
From-SVN: r189045
PR tree-optimization/53645
* tree-vect-generic.c (add_rshift): New function.
(expand_vector_divmod): New function.
(expand_vector_operation): Use it for vector integer
TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
* tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
unused lguup variable with dummy_int.
* gcc.c-torture/execute/pr53645.c: New test.
From-SVN: r189043
PR debug/53671
PR debug/49888
* gcc.dg/guality/pr49888.c: Account for the possibility that
the variable is optimized out at the first test.
From-SVN: r189038
PR target/53749
* config/i386/i386.c (ix86_rtx_costs): Fix typo vs UNITS_PER_WORD
in 2012-06-23 change. Adjust two other DImode tests as well.
From-SVN: r189026
2012-06-27 Richard Guenther <rguenther@suse.de>
PR middle-end/53676
* tree-chrec.c (chrec_convert_1): Represent truncation to
a type with undefined overflow as truncation to an unsigned
type converted to the type with undefined overflow.
* tree-scalar-evolution.c (interpret_rhs_expr): For computing
the scalar evolution of a truncated widened operation avoid
looking at the non-existing evolution of the widened operation
result.
* gcc.dg/tree-ssa/scev-6.c: New testcase.
From-SVN: r189013
2012-06-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53774
* tree-ssa-reassoc.c (get_rank): All default defs have
precomputed rank.
(init_reassoc): Precompute rank for all SSA default defs.
From-SVN: r189012
We were always falling through to the memory default.
Also use standard_sse_constant_p on CONST_VECTOR.
* config/i386/i386.c (ix86_rtx_costs): Use standard_sse_constant_p
and don't fall thru from standard_80387_constant_p to the memory
fallback,
From-SVN: r189007
If we don't implement this pattern, the vectorizer is happy to
unpack the v4si and use the full mulv2di3. This results in
more element shuffling than is required.
* config/i386/i386.c (bdesc_args): Update. Change
IX86_BUILTIN_VEC_WIDEN_SMUL_ODD_V4SI to OPTION_MASK_ISA_SSE2.
(IX86_BUILTIN_VEC_WIDEN_SMUL_EVEN_V4SI): New.
(ix86_builtin_mul_widen_even): Use it.
(ix86_builtin_mul_widen_odd): Relax SMUL_ODD from sse4 to sse2.
(ix86_expand_mul_widen_evenodd): Handle signed for sse2.
* config/i386/sse.md (vec_widen_<s>mult_hi_<V124_AVX2>): Allow
for all SSE2.
(vec_widen_<s>mult_lo_<V124_AVX2>): Likewise.
(vec_widen_<s>mult_odd_<VI4_AVX2>): Likewise. Relax from V124_AVX2.
(vec_widen_smult_even_v4si): New.
From-SVN: r189006
Move the expansion code to i386.c next to mulv4si3. Eliminate
one shift by adding the highparts before shifting. Correct costs.
* config/i386/sse.md (mul<VI8_AVX2>3): Change from insn_and_split
to expander; move guts to ...
* config/i386/i386.c (ix86_expand_sse2_mulvxdi3): ... here. Add
highparts before shifting up.
* config/i386/i386-protos.h: Update.
From-SVN: r189005
* system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
* defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
* config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
From-SVN: r188999
