diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2018-03-21 11:13:29 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-03-21 11:13:29 +0100 |
| commit | 108b83c1fd97b06f1e99ffb5127f2c5b9623bb11 (patch) | |
| tree | bb44018dd9514fa956a3334a46e94024ad688eff /gcc/simplify-rtx.c | |
| parent | ad6aec7153adf13f50c3e7ef27080ab002f148b5 (diff) | |
| download | gcc-108b83c1fd97b06f1e99ffb5127f2c5b9623bb11.zip gcc-108b83c1fd97b06f1e99ffb5127f2c5b9623bb11.tar.gz gcc-108b83c1fd97b06f1e99ffb5127f2c5b9623bb11.tar.bz2 | |
re PR rtl-optimization/84989 (_mm512_broadcast_f32x4 triggers ICE in simplify_const_unary_operation, at simplify-rtx.c:1731)
PR rtl-optimization/84989
* simplify-rtx.c (simplify_unary_operation_1): Don't try to simplify
VEC_DUPLICATE with scalar result mode.
* gcc.target/i386/pr84989.c: New test.
From-SVN: r258709
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 2e7aa5c..23244a1 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1692,7 +1692,9 @@ simplify_unary_operation_1 (enum rtx_code code, machine_mode mode, rtx op) break; } - if (VECTOR_MODE_P (mode) && vec_duplicate_p (op, &elt)) + if (VECTOR_MODE_P (mode) + && vec_duplicate_p (op, &elt) + && code != VEC_DUPLICATE) { /* Try applying the operator to ELT and see if that simplifies. We can duplicate the result if so. |