fixup! OpenSSL armv8-mont.pl: Add purecap support

CTSRD-CHERI · Jul 3, 2024 · 3a026cd · 3a026cd
1 parent abcdc0d
commit 3a026cd
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/crypto/openssl/crypto/bn/asm/armv8-mont.pl b/crypto/openssl/crypto/bn/asm/armv8-mont.pl
@@ -651,7 +651,7 @@
 #ifdef __CHERI_PURE_CAPABILITY__
 	add	$nptr,$nptr,$negnum,lsl#2	// rewind $nptr
 	sub	$aptr,PTRN(sp),#0
-	cmp	x0,x0				// clear carry flag
+	cmn	x0,xzr				// clear carry flag
 #else
 	sub	$nptr,$nptr,$num,lsl#2		// rewind $nptr
 	subs	$aptr,PTRN(sp),#0		// clear carry flag
@@ -1597,7 +1597,7 @@
 	ldp	$m2,$m3,[$np,#8*2]
 #ifdef __CHERI_PURE_CAPABILITY__
 	add	$np,$np,#8*4
-	cmp	x0,x0			// clear carry bit
+	cmn	x0,xzr			// clear carry bit
 #else
 	adds	$np,$np,#8*4		// clear carry bit
 #endif
@@ -1748,7 +1748,7 @@
 	ldp	$m2,$m3,[$np,#8*2]
 #ifdef __CHERI_PURE_CAPABILITY__
 	add	$np,$np,#8*4
-	cmp	x0,x0			// clear carry bit
+	cmn	x0,xzr			// clear carry bit
 #else
 	adds	$np,$np,#8*4		// clear carry bit
 #endif
@@ -1919,7 +1919,7 @@
 	ldp	$a2,$a3,[$ap,#8*2]
 #ifdef __CHERI_PURE_CAPABILITY__
 	add	$ap,$ap,#8*4
-	cmp	x0,x0			// clear carry flag
+	cmn	x0,xzr			// clear carry bit
 #else
 	adds	$ap,$ap,#8*4		// clear carry bit
 #endif