Signed-off-by: Avi Kivity <[email protected]>
---
arch/x86/kvm/emulate.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 7ff83d9..c7578d0 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -441,6 +441,8 @@ static void invalidate_registers(struct x86_emulate_ctxt
*ctxt)
} \
} while (0)
+static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *));
+
#define FOP_ALIGN ".align " __stringify(FASTOP_SIZE) " \n\t"
#define FOP_RET "ret \n\t"
@@ -3051,6 +3053,8 @@ FASTOP2(test);
FASTOP3WCL(shld);
FASTOP3WCL(shrd);
+FASTOP2W(imul);
+
static int em_xchg(struct x86_emulate_ctxt *ctxt)
{
/* Write back the register source. */
@@ -3063,16 +3067,10 @@ static int em_xchg(struct x86_emulate_ctxt *ctxt)
return X86EMUL_CONTINUE;
}
-static int em_imul(struct x86_emulate_ctxt *ctxt)
-{
- emulate_2op_SrcV_nobyte(ctxt, "imul");
- return X86EMUL_CONTINUE;
-}
-
static int em_imul_3op(struct x86_emulate_ctxt *ctxt)
{
ctxt->dst.val = ctxt->src2.val;
- return em_imul(ctxt);
+ return fastop(ctxt, em_imul);
}
static int em_cwd(struct x86_emulate_ctxt *ctxt)
@@ -4010,7 +4008,7 @@ static const struct opcode twobyte_table[256] = {
F(DstMem | SrcReg | ModRM | BitOp | Lock | PageTable, em_bts),
F(DstMem | SrcReg | Src2ImmByte | ModRM, em_shrd),
F(DstMem | SrcReg | Src2CL | ModRM, em_shrd),
- D(ModRM), I(DstReg | SrcMem | ModRM, em_imul),
+ D(ModRM), F(DstReg | SrcMem | ModRM, em_imul),
/* 0xB0 - 0xB7 */
I2bv(DstMem | SrcReg | ModRM | Lock | PageTable, em_cmpxchg),
I(DstReg | SrcMemFAddr | ModRM | Src2SS, em_lseg),
--
1.8.0.1
--
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