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Diffstat (limited to 'gcc/config/s390/s390.c')
-rw-r--r--gcc/config/s390/s390.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 08363c85776..c2fb505d12d 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -195,9 +195,9 @@ enum processor_flags s390_arch_flags;
const char *s390_tune_string; /* for -mtune=<xxx> */
const char *s390_arch_string; /* for -march=<xxx> */
-/* String to specify backchain mode. */
-const char *s390_backchain_string = ""; /* "" no-backchain ,"1" backchain,
- "2" kernel-backchain */
+/* String to specify backchain mode:
+ "" no-backchain, "1" backchain, "2" kernel-backchain. */
+const char *s390_backchain_string = TARGET_DEFAULT_BACKCHAIN;
const char *s390_warn_framesize_string;
const char *s390_warn_dynamicstack_string;