nooc

commit f1ed7f827e39132f6ee67d9c16b92af2a0193a6b
parent ed2af9df22b86d96d8299c08c9074871d1582867
Author: Nihal Jere <nihal@nihaljere.xyz>
Date:   Sat, 27 Nov 2021 23:28:30 -0600

subtract operands in correct order

previously they were backwards, so we just switch to the encoding
with the operands flipped

Diffstat:
M
x64.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x64.c b/x64.c
@@ -107,7 +107,7 @@ add_r64_r64(char *buf, enum reg reg1, enum reg reg2)
 size_t
 sub_r64_r64(char *buf, enum reg reg1, enum reg reg2)
 {
-	uint8_t mov[] = {0x48, 0x29};
+	uint8_t mov[] = {0x48, 0x2B};
 	uint8_t op = (MOD_DIRECT << 6) | (reg1 << 3) | reg2;
 	if (buf) {
 		memcpy(buf, mov, 2);