From 4f690853bb3053acc6de034b15170894afd9da4e Mon Sep 17 00:00:00 2001
From: "Igor V. Kovalenko" <igor.v.kovalenko@gmail.com>
Date: Wed, 27 Jan 2010 17:47:48 +0000
Subject: [PATCH] sparc64: correct write extra bits to cwp

- correctly fit to cwp if provided window number is out of range

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 target-sparc/cpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index 50859c7f1f..842a2f4445 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -519,7 +519,7 @@ static inline void PUT_PSR(CPUSPARCState *env1, target_ulong val)
 static inline void PUT_CWP64(CPUSPARCState *env1, int cwp)
 {
     if (unlikely(cwp >= env1->nwindows || cwp < 0))
-        cwp = 0;
+        cwp %= env1->nwindows;
     cpu_set_cwp(env1, env1->nwindows - 1 - cwp);
 }
 #endif