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[PULL,33/52] target-ppc: Bug Fix: srad

Message ID 1409851240-48126-34-git-send-email-agraf@suse.de
State New
Headers show

Commit Message

Alexander Graf Sept. 4, 2014, 5:20 p.m. UTC 
From: Tom Musta <tommusta@gmail.com>

Fix the check for carry in the srad helper to properly construct
the mask -- a "1ULL" must be used (instead of "1") in order to
get the desired result.

Example:

R3 8000000000000000
R4 F3511AD4A2CD4C38
srad 3,3,4

Should *not* set XER[CA] but does without this patch.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 target-ppc/int_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index e83a25d..e5b103b 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -248,7 +248,7 @@  target_ulong helper_srad(CPUPPCState *env, target_ulong value,
         if (likely((uint64_t)shift != 0)) {
             shift &= 0x3f;
             ret = (int64_t)value >> shift;
-            if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) {
+            if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) {
                 env->ca = 0;
             } else {
                 env->ca = 1;