[PATCH] fix vectorizable_condition ICE with EXTRACT_LAST_REDUCTION
Richard Biener
rguenther@suse.de
Fri Jun 12 10:08:26 GMT 2020
The previous reorg missed a guard around the else clause access.
Committed as obvious.
2020-06-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/95633
* tree-vect-stmts.c (vectorizable_condition): Properly
guard the vec_else_clause access with EXTRACT_LAST_REDUCTION.
---
gcc/tree-vect-stmts.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index cdd6f6c5e5d..cf2d979fea1 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -9925,7 +9925,8 @@ vectorizable_condition (vec_info *vinfo,
FOR_EACH_VEC_ELT (vec_oprnds0, i, vec_cond_lhs)
{
vec_then_clause = vec_oprnds2[i];
- vec_else_clause = vec_oprnds3[i];
+ if (reduction_type != EXTRACT_LAST_REDUCTION)
+ vec_else_clause = vec_oprnds3[i];
if (swap_cond_operands)
std::swap (vec_then_clause, vec_else_clause);
--
2.16.4
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