From 0cadcbbe6595e77ef50c5f50a2f064a37f3da698 Mon Sep 17 00:00:00 2001
From: aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 1 Oct 2008 21:45:37 +0000
Subject: target-ppc: fix computation of XER.{CA, OV} in addme, subfme

(Jocelyn Mayer)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5380 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-ppc/op.c        |  8 --------
 target-ppc/op_helper.c | 12 ++----------
 2 files changed, 2 insertions(+), 18 deletions(-)

(limited to 'target-ppc')

diff --git a/target-ppc/op.c b/target-ppc/op.c
index 4ab0f00..830e963 100644
--- a/target-ppc/op.c
+++ b/target-ppc/op.c
@@ -640,8 +640,6 @@ void OPPROTO op_add_me (void)
     T0 += xer_ca + (-1);
     if (likely((uint32_t)T1 != 0))
         xer_ca = 1;
-    else
-        xer_ca = 0;
     RETURN();
 }
 
@@ -651,8 +649,6 @@ void OPPROTO op_add_me_64 (void)
     T0 += xer_ca + (-1);
     if (likely((uint64_t)T1 != 0))
         xer_ca = 1;
-    else
-        xer_ca = 0;
     RETURN();
 }
 #endif
@@ -930,8 +926,6 @@ void OPPROTO op_subfme (void)
     T0 = ~T0 + xer_ca - 1;
     if (likely((uint32_t)T0 != UINT32_MAX))
         xer_ca = 1;
-    else
-        xer_ca = 0;
     RETURN();
 }
 
@@ -941,8 +935,6 @@ void OPPROTO op_subfme_64 (void)
     T0 = ~T0 + xer_ca - 1;
     if (likely((uint64_t)T0 != UINT64_MAX))
         xer_ca = 1;
-    else
-        xer_ca = 0;
     RETURN();
 }
 #endif
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index d398640..4d8b464 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -151,10 +151,8 @@ void do_addmeo (void)
     T0 += xer_ca + (-1);
     xer_ov = ((uint32_t)T1 & ((uint32_t)T1 ^ (uint32_t)T0)) >> 31;
     xer_so |= xer_ov;
-    if (likely(T1 != 0))
+    if (likely((uint32_t)T1 != 0))
         xer_ca = 1;
-    else
-        xer_ca = 0;
 }
 
 #if defined(TARGET_PPC64)
@@ -164,10 +162,8 @@ void do_addmeo_64 (void)
     T0 += xer_ca + (-1);
     xer_ov = ((uint64_t)T1 & ((uint64_t)T1 ^ (uint64_t)T0)) >> 63;
     xer_so |= xer_ov;
-    if (likely(T1 != 0))
+    if (likely((uint64_t)T1 != 0))
         xer_ca = 1;
-    else
-        xer_ca = 0;
 }
 #endif
 
@@ -312,8 +308,6 @@ void do_subfmeo (void)
     xer_so |= xer_ov;
     if (likely((uint32_t)T1 != UINT32_MAX))
         xer_ca = 1;
-    else
-        xer_ca = 0;
 }
 
 #if defined(TARGET_PPC64)
@@ -325,8 +319,6 @@ void do_subfmeo_64 (void)
     xer_so |= xer_ov;
     if (likely((uint64_t)T1 != UINT64_MAX))
         xer_ca = 1;
-    else
-        xer_ca = 0;
 }
 #endif
 
-- 
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