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-rw-r--r--gcc/config/aarch64/predicates.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/aarch64/predicates.md b/gcc/config/aarch64/predicates.md
index 3a1bd3b715c..2d68475b191 100644
--- a/gcc/config/aarch64/predicates.md
+++ b/gcc/config/aarch64/predicates.md
@@ -138,6 +138,11 @@
(and (match_code "const_int")
(match_test "(unsigned HOST_WIDE_INT) INTVAL (op) <= 4")))
+;; An immediate that fits into 24 bits.
+(define_predicate "aarch64_imm24"
+ (and (match_code "const_int")
+ (match_test "IN_RANGE (UINTVAL (op), 0, 0xffffff)")))
+
(define_predicate "aarch64_pwr_imm3"
(and (match_code "const_int")
(match_test "INTVAL (op) != 0