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KVM: x86 emulator: use SrcAcc to simplify stos decoding

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Use SrcAcc to simplify stos decoding.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Wei Yongjun 2010-08-04 15:36:53 +08:00 committed by Avi Kivity
parent 6e154e56b4
commit 06cb704611
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kvm/emulate.c
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@ -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 | Mov | String), D(SrcSI | DstDI | Mov | String),
D(ByteOp | SrcSI | DstDI | String), D(SrcSI | DstDI | String), D(ByteOp | SrcSI | DstDI | String), D(SrcSI | DstDI | String),
/* 0xA8 - 0xAF */ /* 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 | SrcSI | DstAcc | Mov | String), D(SrcSI | DstAcc | Mov | String),
D(ByteOp | DstDI | String), D(DstDI | String), D(ByteOp | DstDI | String), D(DstDI | String),
/* 0xB0 - 0xB7 */ /* 0xB0 - 0xB7 */
@ -2996,8 +2997,6 @@ special_insn:
case 0xa8 ... 0xa9: /* test ax, imm */ case 0xa8 ... 0xa9: /* test ax, imm */
goto test; goto test;
case 0xaa ... 0xab: /* stos */ case 0xaa ... 0xab: /* stos */
c->dst.val = c->regs[VCPU_REGS_RAX];
break;
case 0xac ... 0xad: /* lods */ case 0xac ... 0xad: /* lods */
goto mov; goto mov;
case 0xae ... 0xaf: /* scas */ case 0xae ... 0xaf: /* scas */