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target/arm: Use vector operations for saturation
authorRichard Henderson <[email protected]>
Fri, 15 Feb 2019 09:56:41 +0000 (09:56 +0000)
committerPeter Maydell <[email protected]>
Fri, 15 Feb 2019 09:56:41 +0000 (09:56 +0000)
commit89e68b575e138d0af1435f11a8ffcd8779c237bd
treedc881e817b6907d4d9b9ee76c8c8fbb2e8df5cadtree | snapshot
parenta4d5846245c5e029e5aa3945a9bda1de1c3fedbfcommit | diff
target/arm: Use vector operations for saturation

For same-sign saturation, we have tcg vector operations.  We can
compute the QC bit by comparing the saturated value against the
unsaturated value.

Signed-off-by: Richard Henderson <[email protected]>
Message-id: 20190209033847[email protected]
Reviewed-by: Peter Maydell <[email protected]>
Signed-off-by: Peter Maydell <[email protected]>
target/arm/helper.h diff | blob | blame | history
target/arm/translate-a64.c diff | blob | blame | history
target/arm/translate.c diff | blob | blame | history
target/arm/translate.h diff | blob | blame | history
target/arm/vec_helper.c diff | blob | blame | history
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