Fix value returned by signed 8 and 16 bit qrshl helpers
when the result has saturated.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
target-arm/neon_helper.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index a8885fa..7859f0b 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -886,7 +886,10 @@ uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t
val, uint64_t shiftop)
dest = src1 << tmp; \
if ((dest >> tmp) != src1) { \
SET_QC(); \
- dest = src1 >> 31; \
+ dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \
+ if (src1 > 0) { \
+ dest--; \
+ } \
} \
}} while (0)
NEON_VOP_ENV(qrshl_s8, neon_s8, 4)
--
1.7.1
