diff mbox

[6/7] KVM: x86 emulator: add macros for defining 2-operand fastop emulation

Message ID 1356179217-5526-7-git-send-email-avi.kivity@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Avi Kivity Dec. 22, 2012, 12:26 p.m. UTC 
Signed-off-by: Avi Kivity <avi.kivity@gmail.com>
---
 arch/x86/kvm/emulate.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox

Patch

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 88579fa..8f650d7 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -458,6 +458,17 @@  static void invalidate_registers(struct x86_emulate_ctxt *ctxt)
 	ON64(FOP1E(op##q, rax))	\
 	FOP_END
 
+#define FOP2E(op,  dst, src)	   \
+	FOP_ALIGN #op " %" #dst ", %" #src " \n\t" FOP_RET
+
+#define FASTOP2(op) \
+	FOP_START(op) \
+	FOP2E(op##b, al, bl) \
+	FOP2E(op##w, ax, bx) \
+	FOP2E(op##l, eax, ebx) \
+	ON64(FOP2E(op##q, rax, rbx)) \
+	FOP_END
+
 #define __emulate_1op_rax_rdx(ctxt, _op, _suffix, _ex)			\
 	do {								\
 		unsigned long _tmp;					\
@@ -3646,6 +3657,7 @@  static int check_perm_out(struct x86_emulate_ctxt *ctxt)
 #define D2bv(_f)      D((_f) | ByteOp), D(_f)
 #define D2bvIP(_f, _i, _p) DIP((_f) | ByteOp, _i, _p), DIP(_f, _i, _p)
 #define I2bv(_f, _e)  I((_f) | ByteOp, _e), I(_f, _e)
+#define F2bv(_f, _e)  F((_f) | ByteOp, _e), F(_f, _e)
 #define I2bvIP(_f, _e, _i, _p) \
 	IIP((_f) | ByteOp, _e, _i, _p), IIP(_f, _e, _i, _p)