Message ID | 1291731225-3155-4-git-send-email-peter.maydell@linaro.org |
---|---|
State | New |
Headers | show |
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;
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.maydell@linaro.org> --- target-arm/neon_helper.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)