| commit | 88654ce63de73fc51a47e7d54070c2c0b6b2f34b | |
| author | Richard Sandiford <richard.sandiford@linaro.org> | |
| Thu, 4 Jan 2018 18:04:54 +0000 (4 18:04 +0000) | ||
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | |
| Thu, 4 Jan 2018 18:04:54 +0000 (4 18:04 +0000) | ||
| tree | 9732cb980f4e57e448cbc8c18b82318479bdde0e | treesnapshot (tar.gz zip) |
| parent | 64d620ef974744e0760111c379d53a39094442d7 | 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.
From-SVN: r256257
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.
From-SVN: r256257
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| gcc/tree-ssa-forwprop.c | diffblobblamehistory |