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| author | Peter Maydell <peter.maydell@linaro.org> | 2010-12-07 14:13:43 +0000 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-12-27 21:07:10 +0100 |
| commit | eb7a3d7964f748ba815200372d7ff403737c54d7 (patch) | |
| tree | c6a8eee0fc0527a8b5151351839adc660d047e0d | |
| parent | 4c9b70aeca70b3e0a68a771727f388551620b3ed (diff) | |
| download | qemu-eb7a3d7964f748ba815200372d7ff403737c54d7.tar.gz qemu-eb7a3d7964f748ba815200372d7ff403737c54d7.tar.bz2 qemu-eb7a3d7964f748ba815200372d7ff403737c54d7.zip | |
target-arm: Fix VQSHL of signed 64 bit values by shift counts >= 64
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>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | 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 d29b884614..2dc3d96dba 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; |