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authorAvi Kivity <avi.kivity@gmail.com>2013-01-04 16:18:52 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2013-01-09 17:39:25 -0200
commit45a1467d7edff741d97a8be28342440ee65aa03c (patch)
tree84c4fdccb6e594e837a15bedb055e254be1a67fe /arch/x86/kvm/emulate.c
parent75f728456f368140e6b34b6a79f3408774076325 (diff)
KVM: x86 emulator: convert NOT, NEG to fastop
Acked-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi.kivity@gmail.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
-rw-r--r--arch/x86/kvm/emulate.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2af0c4475605..09dbdc5a99e1 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2050,17 +2050,8 @@ static int em_grp2(struct x86_emulate_ctxt *ctxt)
return X86EMUL_CONTINUE;
}
-static int em_not(struct x86_emulate_ctxt *ctxt)
-{
- ctxt->dst.val = ~ctxt->dst.val;
- return X86EMUL_CONTINUE;
-}
-
-static int em_neg(struct x86_emulate_ctxt *ctxt)
-{
- emulate_1op(ctxt, "neg");
- return X86EMUL_CONTINUE;
-}
+FASTOP1(not);
+FASTOP1(neg);
static int em_mul_ex(struct x86_emulate_ctxt *ctxt)
{
@@ -3753,8 +3744,8 @@ static const struct opcode group1A[] = {
static const struct opcode group3[] = {
I(DstMem | SrcImm | NoWrite, em_test),
I(DstMem | SrcImm | NoWrite, em_test),
- I(DstMem | SrcNone | Lock, em_not),
- I(DstMem | SrcNone | Lock, em_neg),
+ F(DstMem | SrcNone | Lock, em_not),
+ F(DstMem | SrcNone | Lock, em_neg),
I(SrcMem, em_mul_ex),
I(SrcMem, em_imul_ex),
I(SrcMem, em_div_ex),

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