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[09/15] tcg-i386: Tidy setcc.

Message ID f2f8197d2df3b36c90636e90cab367ad21c4efa6.1274455111.git.rth@twiddle.net
State New
Headers show

Commit Message

Richard Henderson May 21, 2010, 3:30 p.m. UTC 
Define and use OPC_SETCC.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/i386/tcg-target.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index c258775..a43dbfb 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -184,6 +184,7 @@  static inline int tcg_target_const_match(tcg_target_long val,
 #define OPC_PUSH_Iv	(0x68)
 #define OPC_PUSH_Ib	(0x6a)
 #define OPC_RET		(0xc3)
+#define OPC_SETCC	(0x90 | P_EXT)	/* ... plus condition code */
 #define OPC_SHIFT_1	(0xd1)
 #define OPC_SHIFT_Ib	(0xc1)
 #define OPC_SHIFT_cl	(0xd3)
@@ -577,8 +578,7 @@  static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGArg dest,
                             TCGArg arg1, TCGArg arg2, int const_arg2)
 {
     tcg_out_cmp(s, arg1, arg2, const_arg2);
-    /* setcc */
-    tcg_out_modrm(s, 0x90 | tcg_cond_to_jcc[cond] | P_EXT, 0, dest);
+    tcg_out_modrm(s, OPC_SETCC | tcg_cond_to_jcc[cond], 0, dest);
     tcg_out_ext8u(s, dest, dest);
 }