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Diffstat (limited to 'target-arm/translate-a64.c')
| -rw-r--r-- | target-arm/translate-a64.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index d3801c5282..94b3bf40f6 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -2820,7 +2820,10 @@ static bool logic_imm_decode_wmask(uint64_t *result, unsigned int immn, * by r within the element (which is e bits wide)... */ mask = bitmask64(s + 1); - mask = (mask >> r) | (mask << (e - r)); + if (r) { + mask = (mask >> r) | (mask << (e - r)); + mask &= bitmask64(e); + } /* ...then replicate the element over the whole 64 bit value */ mask = bitfield_replicate(mask, e); *result = mask; |