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target/arm: Implement bfloat16 dot product (vector)

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This is BFDOT for both AArch64 AdvSIMD and SVE,
and VDOT.BF16 for AArch32 NEON.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525225817.400336-7-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-25 15:58:11 -07:00 • committed by Peter Maydell
parent 60c8f7265d
commit cb8657f7f9
7 changed files with 89 additions and 0 deletions
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2
target/arm/neon-shared.decode
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@ -52,6 +52,8 @@ VUDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 1 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp
VUSDOT 1111 110 01 . 10 .... .... 1101 . q:1 . 0 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp
VDOT_b16 1111 110 00 . 00 .... .... 1101 . q:1 . 0 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp
# VFM[AS]L
VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \