diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2021-06-17 13:16:11 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-06-24 14:58:47 +0100 |
| commit | 39f2ec8592dd3c823034dc4decc64c7e4cc42bfd (patch) | |
| tree | e0d566b654bdb3220038ee5d7a90f94e36c007ec /target/arm/mve.decode | |
| parent | 387debdb93d2635fb6d62bff38887d17ef4d8117 (diff) | |
target/arm: Implement MVE VQADD and VQSUB
Implement the MVE VQADD and VQSUB insns, which perform saturating
addition of a scalar to each element. Note that individual bytes of
each result element are used or discarded according to the predicate
mask, but FPSCR.QC is only set if the predicate mask for the lowest
byte of the element is set.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-28-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/mve.decode')
| -rw-r--r-- | target/arm/mve.decode | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/arm/mve.decode b/target/arm/mve.decode index e189e2de64..c85227c675 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -167,6 +167,11 @@ VHADD_S_scalar 1110 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar VHADD_U_scalar 1111 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar VHSUB_S_scalar 1110 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar VHSUB_U_scalar 1111 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar + +VQADD_S_scalar 1110 1110 0 . .. ... 0 ... 0 1111 . 110 .... @2scalar +VQADD_U_scalar 1111 1110 0 . .. ... 0 ... 0 1111 . 110 .... @2scalar +VQSUB_S_scalar 1110 1110 0 . .. ... 0 ... 1 1111 . 110 .... @2scalar +VQSUB_U_scalar 1111 1110 0 . .. ... 0 ... 1 1111 . 110 .... @2scalar VBRSR 1111 1110 0 . .. ... 1 ... 1 1110 . 110 .... @2scalar # Predicate operations |