KVM: x86 emulator: use SrcAcc to simplify stos decoding

Use SrcAcc to simplify stos decoding. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Oct 24, 2010 · 06cb704 · 06cb704
1 parent 6e154e5
commit 06cb704
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
@@ -2235,7 +2235,8 @@ static struct opcode opcode_table[256] = {
 	D(ByteOp | SrcSI | DstDI | Mov | String), D(SrcSI | DstDI | Mov | String),
 	D(ByteOp | SrcSI | DstDI | String), D(SrcSI | DstDI | String),
 	/* 0xA8 - 0xAF */
-	D(DstAcc | SrcImmByte | ByteOp), D(DstAcc | SrcImm), D(ByteOp | DstDI | Mov | String), D(DstDI | Mov | String),
+	D(DstAcc | SrcImmByte | ByteOp), D(DstAcc | SrcImm),
+	D(ByteOp | SrcAcc | DstDI | Mov | String), D(SrcAcc | DstDI | Mov | String),
 	D(ByteOp | SrcSI | DstAcc | Mov | String), D(SrcSI | DstAcc | Mov | String),
 	D(ByteOp | DstDI | String), D(DstDI | String),
 	/* 0xB0 - 0xB7 */
@@ -2996,8 +2997,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
 	case 0xa8 ... 0xa9:	/* test ax, imm */
 		goto test;
 	case 0xaa ... 0xab:	/* stos */
-		c->dst.val = c->regs[VCPU_REGS_RAX];
-		break;
 	case 0xac ... 0xad:	/* lods */
 		goto mov;
 	case 0xae ... 0xaf:	/* scas */