| commit | 92a3e4336950ccb33b0f4fb37bc48b34592b1662 | |
| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 4 Jan 2018 18:04:54 +0000 (4 18:04 +0000) | ||
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 4 Jan 2018 18:04:54 +0000 (4 18:04 +0000) | ||
| tree | 9732cb980f4e57e448cbc8c18b82318479bdde0e | treesnapshot (tar.gz zip) |
| parent | 88d528ad39ce1fdb0ce2be78c25024202dc4c514 | commitdiff |
Allow VEC_PERM_EXPR folding to fail
tree-ssa-forwprop.c was asserting that a VEC_PERM_EXPR fold on three
VECTOR_CSTs would always succeed, but it's possible for it to fail
with variable-length vectors.
2017-12-22 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* tree-ssa-forwprop.c (is_combined_permutation_identity): Allow
the VEC_PERM_EXPR fold to fail.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256257 138bc75d-0d04-0410-961f-82ee72b054a4
tree-ssa-forwprop.c was asserting that a VEC_PERM_EXPR fold on three
VECTOR_CSTs would always succeed, but it's possible for it to fail
with variable-length vectors.
2017-12-22 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* tree-ssa-forwprop.c (is_combined_permutation_identity): Allow
the VEC_PERM_EXPR fold to fail.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256257 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/tree-ssa-forwprop.c | diffblobblamehistory |