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target/riscv: vector widening floating-point add/subtract instructions

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Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200701152549.1218-32-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2020-07-01 23:25:19 +08:00 • committed by Alistair Francis
parent ce2a0343f4
commit eeffab2ec1
4 changed files with 257 additions and 0 deletions
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8
target/riscv/insn32.decode
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@ -450,6 +450,14 @@ vfadd_vf 000000 . ..... ..... 101 ..... 1010111 @r_vm
vfsub_vv 000010 . ..... ..... 001 ..... 1010111 @r_vm
vfsub_vf 000010 . ..... ..... 101 ..... 1010111 @r_vm
vfrsub_vf 100111 . ..... ..... 101 ..... 1010111 @r_vm
vfwadd_vv 110000 . ..... ..... 001 ..... 1010111 @r_vm
vfwadd_vf 110000 . ..... ..... 101 ..... 1010111 @r_vm
vfwadd_wv 110100 . ..... ..... 001 ..... 1010111 @r_vm
vfwadd_wf 110100 . ..... ..... 101 ..... 1010111 @r_vm
vfwsub_vv 110010 . ..... ..... 001 ..... 1010111 @r_vm
vfwsub_vf 110010 . ..... ..... 101 ..... 1010111 @r_vm
vfwsub_wv 110110 . ..... ..... 001 ..... 1010111 @r_vm
vfwsub_wf 110110 . ..... ..... 101 ..... 1010111 @r_vm
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r