diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/bb-slp-pr97650.c | 15 | ||||
| -rw-r--r-- | gcc/tree-vect-slp.c | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/bb-slp-pr97650.c b/gcc/testsuite/gcc.dg/vect/bb-slp-pr97650.c new file mode 100644 index 0000000..f9c91fb --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/bb-slp-pr97650.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-Os -fallow-store-data-races" } */ + +short a=0; +unsigned long *volatile *volatile *volatile *b; +unsigned long *volatile *volatile *volatile **c[7]; +void d() { + short e=0; + for (; a;) { + e = 0; + for (; e < 7; e++) + c[e] = &b; + } +} +int main() { return 0; } diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index 56dc59e..d524919 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -530,6 +530,7 @@ vect_get_and_check_slp_defs (vec_info *vinfo, unsigned char swap, if (backedge && dts[i] == vect_external_def && is_a <bb_vec_info> (vinfo) + && TREE_CODE (oprnd) == SSA_NAME && !SSA_NAME_IS_DEFAULT_DEF (oprnd) && !dominated_by_p (CDI_DOMINATORS, as_a <bb_vec_info> (vinfo)->bbs[0], |