From: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Date: Mon, 15 Feb 2010 10:20:30 +0000 (+0100)
Subject: crisv10: Always clear the V and C flags on btst.
X-Git-Tag: v0.13.0-rc0~1379
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95475216f23216683b85c420132849553319eae2;p=thirdparty%2Fqemu.git

crisv10: Always clear the V and C flags on btst.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
---

diff --git a/target-cris/op_helper.c b/target-cris/op_helper.c
index b44b9325ff6..a60da94f309 100644
--- a/target-cris/op_helper.c
+++ b/target-cris/op_helper.c
@@ -276,6 +276,8 @@ uint32_t helper_btst(uint32_t t0, uint32_t t1, uint32_t ccs)
 
 	/* Clear the X, N and Z flags.  */
 	ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG);
+	if (env->pregs[PR_VR] < 32)
+		ccs &= ~(V_FLAG | C_FLAG);
 	/* Set the N and Z flags accordingly.  */
 	ccs |= (bset << 3) | (fz << 2);
 	return ccs;