[PATCH 1/4] KVM: x86 emulator: use SrcAcc to simplify stos decoding

[Wei Yongjun]

Use SrcAcc to simplify stos decoding.

Signed-off-by: Wei Yongjun <yj...@cn.fujitsu.com>
---
 arch/x86/kvm/emulate.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index f03ff26..4624b11 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2175,7 +2175,8 @@ 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 */
@@ -2937,8 +2938,6 @@ special_insn:
        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 */
-- 
1.7.0.4


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