s390: testsuite: Fix autovec-double-signaling-eq-z13.c

Since r15-3992-g698e0ec89bc096 we optimize x<=y && x>=y to x==y.
Honour signaling NaNs by using option -fsignaling-nans in order to
prevent this.

gcc/testsuite/ChangeLog:

	* gcc.target/s390/zvector/autovec-double-signaling-eq-z13.c:
	Honour sNaNs.

diff --git a/gcc/testsuite/gcc.target/s390/zvector/autovec-double-signaling-eq-z13.c b/gcc/testsuite/gcc.target/s390/zvector/autovec-double-signaling-eq-z13.c
index 1806fa8c60e936e737e571ff0e47cb6710aaa711..ad097efcee9a2527459a11b8f8e5c712154863d8 100644 (file)
--- a/gcc/testsuite/gcc.target/s390/zvector/autovec-double-signaling-eq-z13.c
+++ b/gcc/testsuite/gcc.target/s390/zvector/autovec-double-signaling-eq-z13.c
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O3 -march=z13 -mzvector -mzarch" } */
+/* { dg-options "-O3 -march=z13 -mzvector -mzarch -fsignaling-nans" } */
 
 #include "autovec.h"