VQSHL of a signed 64 bit non-zero value by a shift count >= 64 should
saturate; return the correct value in this case.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target-arm/neon_helper.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index d29b884..2dc3d96 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -608,7 +608,7 @@ uint64_t HELPER(neon_qshl_s64)(CPUState *env, uint64_t
valop, uint64_t shiftop)
if (shift >= 64) {
if (val) {
SET_QC();
- val = (val >> 63) & ~SIGNBIT64;
+ val = (val >> 63) ^ ~SIGNBIT64;
}
} else if (shift <= -64) {
val >>= 63;
--
1.6.3.3
