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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr96789.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr96789.c b/gcc/testsuite/gcc.dg/tree-ssa/pr96789.c
index d6139a0..5704952 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/pr96789.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr96789.c
@@ -1,5 +1,8 @@
/* { dg-do compile } */
-/* { dg-options "-O2 -funroll-loops -ftree-vectorize -fdump-tree-dse-details" } */
+/* Disable loop vectorization to avoid that loop vectorizer
+ optimizes those two loops that operate tmp array so that
+ subsequent dse3 won't eliminate expected tmp stores. */
+/* { dg-options "-O2 -funroll-loops -ftree-slp-vectorize -fno-tree-loop-vectorize -fdump-tree-dse-details" } */
/* Test if scalar cleanup pass takes effects, mainly check
its secondary pass DSE can remove dead stores on array