From patchwork Sat Dec 19 18:44:52 2009
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Subject: [4/5] tcg: Add tcg_invert_cond.
Date: Sat, 19 Dec 2009 08:44:52 -0000
From: Richard Henderson <rth@twiddle.net>
X-Patchwork-Id: 41469
Message-Id: <d7e0c1cc054a3b4bcfaf5052b800d3ad453f70e6.1261248772.git.rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: aurelien@aurel32.net

It is very handy to have a reliable mapping of a condition to its inverse.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Acked-by: Aurelien Jarno <aurelien@aurel32.net>

---
tcg/tcg.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/tcg/tcg.h b/tcg/tcg.h
index 9824493..376d6af 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -205,6 +205,11 @@ typedef enum {
     TCG_COND_GTU,
 } TCGCond;
 
+static inline TCGCond tcg_invert_cond(TCGCond c)
+{
+    return (TCGCond)(c ^ 1);
+}
+
 #define TEMP_VAL_DEAD  0
 #define TEMP_VAL_REG   1
 #define TEMP_VAL_MEM   2