From e500c9118a49a8ce0e9b8cee87bb1329adfe1af9 Mon Sep 17 00:00:00 2001
From: grischka <grischka>
Date: Sun, 6 Dec 2009 17:41:22 +0100
Subject: [PATCH] i386-asm: fix imul

With imul the 3rd operand defaults to the 2nd on.  The previous
logic left 'op_type[2]' uninitialized which caused the bug to
show up only sometimes.
---
 i386-asm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/i386-asm.c b/i386-asm.c
index 4b1dd8f..b18a4bc 100644
--- a/i386-asm.c
+++ b/i386-asm.c
@@ -676,10 +676,11 @@ static void asm_opcode(TCCState *s1, int opcode)
         g(seg_prefix);
 
     v = pa->opcode;
-    if (v == 0x69 || v == 0x69) {
+    if ((v == 0x69 || v == 0x6b) && nb_ops == 2) {
         /* kludge for imul $im, %reg */
         nb_ops = 3;
         ops[2] = ops[1];
+        op_type[2] = op_type[1];
     } else if (v == 0xcd && ops[0].e.v == 3 && !ops[0].e.sym) {
         v--; /* int $3 case */
         nb_ops = 0;