projects
/
sdk
/
emulator
/
qemu.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
0566d38
)
tcg-i386: Tidy xchg.
author
Richard Henderson
<rth@twiddle.net>
Fri, 21 May 2010 15:30:32 +0000
(08:30 -0700)
committer
Aurelien Jarno
<aurelien@aurel32.net>
Fri, 21 May 2010 16:20:22 +0000
(16:20 +0000)
Define and use OPC_XCHG_ax_r32.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
tcg/i386/tcg-target.c
patch
|
blob
|
history
diff --git
a/tcg/i386/tcg-target.c
b/tcg/i386/tcg-target.c
index
bf8e9d5
..
5d5e5e4
100644
(file)
--- a/
tcg/i386/tcg-target.c
+++ b/
tcg/i386/tcg-target.c
@@
-192,6
+192,7
@@
static inline int tcg_target_const_match(tcg_target_long val,
#define OPC_SHIFT_Ib (0xc1)
#define OPC_SHIFT_cl (0xd3)
#define OPC_TESTL (0x85)
+#define OPC_XCHG_ax_r32 (0x90)
#define OPC_GRP3_Ev (0xf7)
#define OPC_GRP5 (0xff)
@@
-770,7
+771,8
@@
static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args,
break;
case 3:
if (data_reg == TCG_REG_EDX) {
- tcg_out_opc(s, 0x90 + TCG_REG_EDX); /* xchg %edx, %eax */
+ /* xchg %edx, %eax */
+ tcg_out_opc(s, OPC_XCHG_ax_r32 + TCG_REG_EDX);
tcg_out_mov(s, data_reg2, TCG_REG_EAX);
} else {
tcg_out_mov(s, data_reg, TCG_REG_EAX);