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tcg: add tcg_invert_cond
author
Richard Henderson
<rth@twiddle.net>
Thu, 7 Jan 2010 18:15:20 +0000
(10:15 -0800)
committer
Aurelien Jarno
<aurelien@aurel32.net>
Sat, 6 Feb 2010 16:14:24 +0000
(17:14 +0100)
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>
tcg/tcg.h
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diff --git
a/tcg/tcg.h
b/tcg/tcg.h
index
121b17c
..
b218abe
100644
(file)
--- 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);