diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2019-02-01 14:55:45 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-02-01 14:55:45 +0000 |
| commit | 4dfabb6d568e6b315594d7d464dacaf3368aff60 (patch) | |
| tree | 3305acbc28ccf05be21b7750e38cc35976449483 | |
| parent | 5601be3b01d73e21c09331599e2ce62df016ff94 (diff) | |
target/arm/translate-a64: Fix FCMLA decoding error
The FCMLA (by element) instruction exists in the
"vector x indexed element" encoding group, but not in
the "scalar x indexed element" group. Correctly UNDEF
the unallocated encodings.
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20190129140411.682-2-peter.maydell@linaro.org
| -rw-r--r-- | target/arm/translate-a64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 07fa052393..d46ea9f64e 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -12650,7 +12650,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) case 0x13: /* FCMLA #90 */ case 0x15: /* FCMLA #180 */ case 0x17: /* FCMLA #270 */ - if (!dc_isar_feature(aa64_fcma, s)) { + if (is_scalar || !dc_isar_feature(aa64_fcma, s)) { unallocated_encoding(s); return; } |