diff --git a/src/arm/isa-inlines.h b/src/arm/isa-inlines.h
index 19a92d0d9..091994a52 100644
--- a/src/arm/isa-inlines.h
+++ b/src/arm/isa-inlines.h
@@ -47,7 +47,7 @@
 #define ARM_SIGN(I) ((I) >> 31)
 #define ARM_ROR(I, ROTATE) ((((uint32_t) (I)) >> ROTATE) | (I << (32 - ROTATE)))
 
-#define ARM_CARRY_FROM(M, N, D) ((ARM_SIGN((M) | (N))) && !(ARM_SIGN(D)))
+#define ARM_CARRY_FROM(M, N, D) (((uint32_t) (M) >> 31) + ((uint32_t) (N) >> 31) > ((uint32_t) (D) >> 31))
 #define ARM_BORROW_FROM(M, N, D) (((uint32_t) (M)) >= ((uint32_t) (N)))
 #define ARM_V_ADDITION(M, N, D) (!(ARM_SIGN((M) ^ (N))) && (ARM_SIGN((M) ^ (D))) && (ARM_SIGN((N) ^ (D))))
 #define ARM_V_SUBTRACTION(M, N, D) ((ARM_SIGN((M) ^ (N))) && (ARM_SIGN((M) ^ (D))))