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| author | Marc Glisse <marc.glisse@inria.fr> | 2012-09-03 19:31:38 +0200 |
|---|---|---|
| committer | Marc Glisse <glisse@gcc.gnu.org> | 2012-09-03 17:31:38 +0000 |
| commit | aa369472a27746c266746fac3f3568b173654a95 (patch) | |
| tree | 72fdc7be9d4380c6964688c8dc44c6e68fa55389 /gcc/fold-const.c | |
| parent | 197ce79334cbe9acc9bb627b134dd60c28afc3e5 (diff) | |
| download | gcc-aa369472a27746c266746fac3f3568b173654a95.zip gcc-aa369472a27746c266746fac3f3568b173654a95.tar.gz gcc-aa369472a27746c266746fac3f3568b173654a95.tar.bz2 | |
fold-const.c (fold_ternary_loc): Constant-propagate after removing dead operands.
2012-09-03 Marc Glisse <marc.glisse@inria.fr>
gcc/
* fold-const.c (fold_ternary_loc): Constant-propagate after
removing dead operands.
gcc/testsuite/
* gcc.dg/fold-perm.c: Improve test.
From-SVN: r190901
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b386bb2..2bf5179 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -14196,16 +14196,6 @@ fold_ternary_loc (location_t loc, enum tree_code code, tree type, return op1; } - if ((TREE_CODE (arg0) == VECTOR_CST - || TREE_CODE (arg0) == CONSTRUCTOR) - && (TREE_CODE (arg1) == VECTOR_CST - || TREE_CODE (arg1) == CONSTRUCTOR)) - { - t = fold_vec_perm (type, arg0, arg1, sel); - if (t != NULL_TREE) - return t; - } - if (all_in_vec0) op1 = op0; else if (all_in_vec1) @@ -14216,6 +14206,16 @@ fold_ternary_loc (location_t loc, enum tree_code code, tree type, need_mask_canon = true; } + if ((TREE_CODE (op0) == VECTOR_CST + || TREE_CODE (op0) == CONSTRUCTOR) + && (TREE_CODE (op1) == VECTOR_CST + || TREE_CODE (op1) == CONSTRUCTOR)) + { + t = fold_vec_perm (type, op0, op1, sel); + if (t != NULL_TREE) + return t; + } + if (op0 == op1 && !single_arg) changed = true; |