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| author | Richard Guenther <rguenther@suse.de> | 2012-04-16 09:25:14 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-04-16 09:25:14 +0000 |
| commit | 2515d916454a145367d8924a00d4468647ed30cd (patch) | |
| tree | 49b6bc580d6294485fb21f111c49282f11b8efdd /gcc/fold-const.c | |
| parent | 42ff605a7b16220b75a640ff22a32f4acd62802e (diff) | |
| download | gcc-2515d916454a145367d8924a00d4468647ed30cd.zip gcc-2515d916454a145367d8924a00d4468647ed30cd.tar.gz gcc-2515d916454a145367d8924a00d4468647ed30cd.tar.bz2 | |
re PR tree-optimization/52975 (Ofast produces not optimized code for vectorized "converted if")
2012-04-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52975
* tree-ssa-forwprop.c (combine_cond_exprs): New function.
(ssa_forward_propagate_and_combine): Call it for COND_EXPRs
and VEC_COND_EXPRs. Also combine into VEC_COND_EXPRs condition.
* fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
From-SVN: r186488
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index dcd64a0..8aceb73 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2562,6 +2562,14 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags) case IMAGPART_EXPR: return OP_SAME (0); + case TARGET_MEM_REF: + /* Require equal extra operands and then fall thru to MEM_REF + handling of the two common operands. */ + if (!OP_SAME_WITH_NULL (2) + || !OP_SAME_WITH_NULL (3) + || !OP_SAME_WITH_NULL (4)) + return 0; + /* Fallthru. */ case MEM_REF: /* Require equal access sizes, and similar pointer types. We can have incomplete types for array references of |