vx32

commit 95d4dd22fc11be9a424fd5d97c2835644b34ad6a
parent 0c54ee28f390773c20ab0ec73b8b5f9f15311d2b
Author: Russ Cox <rsc@swtch.com>
Date:   Thu, 30 Apr 2009 08:12:59 -0700

libvx32: add CMPXCHG, XADD

Diffstat:
src/libvx32/emu.c
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/libvx32/emu.c b/src/libvx32/emu.c
@@ -832,12 +832,16 @@ static int xscan(struct vxproc *p)
 		case 0x5c: case 0x5d: case 0x5e: case 0x5f:	// SUBPS etc.
 		case 0xa3:					// BT Ev,Gv
 		case 0xab:					// BTS Ev,Gv
+		case 0xaf:					// IMUL Gv,Ev
+		case 0xb0:					// CMPXCHG Eb,Gb
+		case 0xb1:					// CMPXCHG Ev,Gv
 		case 0xb3:					// BTR Ev,Gv
+		case 0xb6: case 0xb7:				// MOVZX
 		case 0xbb:					// BTC Ev,Gv
 		case 0xbc: case 0xbd:				// BSF, BSR
-		case 0xaf:					// IMUL Gv,Ev
-		case 0xb6: case 0xb7:				// MOVZX
 		case 0xbe: case 0xbf:				// MOVSX
+		case 0xc0:					// XADD Eb,Gb
+		case 0xc1:					// XADD Ev,Gv
 			inp = xscan_rm(inp);
 			goto notrans;