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[Qemu-devel] [PATCH 3/6] tcg: Add tcg_invert_cond.
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 3/6] tcg: Add tcg_invert_cond. |
Date: |
Thu, 7 Jan 2010 10:15:20 -0800 |
It is very handy to have a reliable mapping of a condition to its inverse.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/tcg.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 121b17c..b218abe 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);
--
1.6.5.2
- [Qemu-devel] [PATCH 0/6] tcg conditional set, round 6, Richard Henderson, 2010/01/20
- [Qemu-devel] [PATCH 1/6] tcg: Document double-word support opcodes., Richard Henderson, 2010/01/20
- [Qemu-devel] [PATCH 2/6] tcg: Generic support for conditional set, Richard Henderson, 2010/01/20
- [Qemu-devel] [PATCH 4/6] tcg-i386: Implement small forward branches., Richard Henderson, 2010/01/20
- [Qemu-devel] [PATCH 6/6] tcg-x86_64: Implement setcond., Richard Henderson, 2010/01/20
- [Qemu-devel] [PATCH 3/6] tcg: Add tcg_invert_cond.,
Richard Henderson <=
- [Qemu-devel] [PATCH 5/6] tcg-i386: Implement setcond., Richard Henderson, 2010/01/20
- Re: [Qemu-devel] [PATCH 0/6] tcg conditional set, round 6, Richard Henderson, 2010/01/26