PowerPC flags update/use fixes:

- fix confusion between overflow/summary overflow, as reported by S Bansal.
- reset carry in addic. optimized case (as it was already done in addic).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3179 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 16 insertions, 16 deletions

diff --git a/target-ppc/op_mem.h b/target-ppc/op_mem.h
index c1039da2d8..f1229859f3 100644
--- a/target-ppc/op_mem.h
+++ b/target-ppc/op_mem.h
@@ -610,10 +610,10 @@ void OPPROTO glue(op_stwcx, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint32_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(stl, MEMSUFFIX)((uint32_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -627,10 +627,10 @@ void OPPROTO glue(op_stwcx_64, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint64_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(stl, MEMSUFFIX)((uint64_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -643,10 +643,10 @@ void OPPROTO glue(op_stdcx, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint32_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(stq, MEMSUFFIX)((uint32_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -659,10 +659,10 @@ void OPPROTO glue(op_stdcx_64, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint64_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(stq, MEMSUFFIX)((uint64_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -676,10 +676,10 @@ void OPPROTO glue(op_stwcx_le, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint32_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(st32r, MEMSUFFIX)((uint32_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -693,10 +693,10 @@ void OPPROTO glue(op_stwcx_le_64, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint64_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(st32r, MEMSUFFIX)((uint64_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -709,10 +709,10 @@ void OPPROTO glue(op_stdcx_le, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint32_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(st64r, MEMSUFFIX)((uint32_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;
@@ -725,10 +725,10 @@ void OPPROTO glue(op_stdcx_le_64, MEMSUFFIX) (void)
         do_raise_exception(EXCP_ALIGN);
     } else {
         if (unlikely(env->reserve != (uint64_t)T0)) {
-            env->crf[0] = xer_ov;
+            env->crf[0] = xer_so;
         } else {
             glue(st64r, MEMSUFFIX)((uint64_t)T0, T1);
-            env->crf[0] = xer_ov | 0x02;
+            env->crf[0] = xer_so | 0x02;
         }
     }
     env->reserve = -1;