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| author | Jakub Jelinek <jakub@redhat.com> | 2017-12-15 18:51:36 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-12-15 18:51:36 +0100 |
| commit | 32151c3f1b8b394b16b3d396a781e65426dd8f45 (patch) | |
| tree | a1de7b1aa516c288b7ae7fd9077100153249e010 | |
| parent | 8f80d7345ab357fee866ab4e7891d38bf6da20cf (diff) | |
| download | gcc-32151c3f1b8b394b16b3d396a781e65426dd8f45.zip gcc-32151c3f1b8b394b16b3d396a781e65426dd8f45.tar.gz gcc-32151c3f1b8b394b16b3d396a781e65426dd8f45.tar.bz2 | |
re PR tree-optimization/80631 (Compiling with -O3 -mavx2 gives wrong code)
PR tree-optimization/80631
* gcc.target/i386/avx2-pr80631.c: New test.
From-SVN: r255701
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/avx2-pr80631.c | 23 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 9ab0428..3d037b5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2017-12-15 Jakub Jelinek <jakub@redhat.com> + PR tree-optimization/80631 + * gcc.target/i386/avx2-pr80631.c: New test. + * g++.dg/plugin/attribute_plugin.c (user_attr): Swap affects_type_identity and handler fields, add NULL for exclude. diff --git a/gcc/testsuite/gcc.target/i386/avx2-pr80631.c b/gcc/testsuite/gcc.target/i386/avx2-pr80631.c new file mode 100644 index 0000000..5af1b0f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/avx2-pr80631.c @@ -0,0 +1,23 @@ +/* PR tree-optimization/80631 */ +/* { dg-do run } */ +/* { dg-options "-O2 -ftree-vectorize -mavx2 -fno-vect-cost-model" } */ +/* { dg-require-effective-target avx2 } */ + +#include "avx2-check.h" + +#define N 8 + +static void +avx2_test (void) +{ + int v[N], k; + for(k = 0; k < N; k++) + v[k] = k; + v[0] = 77; + int found_index = -1; + for (k = 0; k < N; k++) + if (v[k] == 77) + found_index = k; + if (found_index != 0) + abort (); +} |