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-rw-r--r--gcc/config/s390/s390.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index 05b8ea9..3d91805 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -855,6 +855,11 @@ extern struct rtx_def *s390_compare_op0, *s390_compare_op1;
( (SIZE) == 1 || (SIZE) == 2 || (SIZE) == 4 \
|| (TARGET_64BIT && (SIZE) == 8) )
+/* This macro is used to determine whether store_by_pieces should be
+ called to "memset" storage with byte values other than zero, or
+ to "memcpy" storage when the source is a constant string. */
+#define STORE_BY_PIECES_P(SIZE, ALIGN) MOVE_BY_PIECES_P (SIZE, ALIGN)
+
/* Don't perform CSE on function addresses. */
#define NO_FUNCTION_CSE