From: Anton Blanchard <an...@ozlabs.org>
A recent cleanup changed the pre zeroing of the result from 64 bit
to 32 bit operations:
- result.u64[i] = 0;
+ result.VsrW(i) = 0;
This corrupts the result.
Fixes: 60594fea298d ("target/ppc: remove various HOST_WORDS_BIGENDIAN hacks in
int_helper.c")
Signed-off-by: Anton Blanchard <an...@ozlabs.org>
Message-Id: <20190507004811.29968-9-an...@ozlabs.org>
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
target/ppc/int_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index fd715b4076..f5c81acd53 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2038,7 +2038,7 @@ void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r,
ppc_avr_t *a, ppc_avr_t *b)
for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
int64_t t = (int64_t)b->VsrSW(upper + i * 2);
- result.VsrW(i) = 0;
+ result.VsrD(i) = 0;
for (j = 0; j < ARRAY_SIZE(r->u64); j++) {
t += a->VsrSW(2 * i + j);
}
--
2.21.0
