From: Richard Henderson <rth@twiddle.net>
Date: Thu, 7 Jan 2010 18:15:20 +0000 (-0800)
Subject: tcg: add tcg_invert_cond
X-Git-Tag: v0.13.0-rc0~1493
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=401d466da9dccf9bc6653ca30efdbd451c8d9190;p=thirdparty%2Fqemu.git

tcg: add tcg_invert_cond

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

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

diff --git a/tcg/tcg.h b/tcg/tcg.h
index 121b17c2b90..b218abeaf28 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);
+}
+
 static inline TCGCond tcg_unsigned_cond(TCGCond c)
 {
     return (c >= TCG_COND_LT && c <= TCG_COND_GT ? c + 4 : c);