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target/riscv: vector single-width integer multiply-add 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: <20200701152549.1218-22-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2020-07-01 23:25:09 +08:00 • committed by Alistair Francis
parent 97b1cba399
commit 54df813a33
4 changed files with 139 additions and 0 deletions
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8
target/riscv/insn32.decode
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@ -387,6 +387,14 @@ vwmulsu_vv 111010 . ..... ..... 010 ..... 1010111 @r_vm
vwmulsu_vx 111010 . ..... ..... 110 ..... 1010111 @r_vm
vwmul_vv 111011 . ..... ..... 010 ..... 1010111 @r_vm
vwmul_vx 111011 . ..... ..... 110 ..... 1010111 @r_vm
vmacc_vv 101101 . ..... ..... 010 ..... 1010111 @r_vm
vmacc_vx 101101 . ..... ..... 110 ..... 1010111 @r_vm
vnmsac_vv 101111 . ..... ..... 010 ..... 1010111 @r_vm
vnmsac_vx 101111 . ..... ..... 110 ..... 1010111 @r_vm
vmadd_vv 101001 . ..... ..... 010 ..... 1010111 @r_vm
vmadd_vx 101001 . ..... ..... 110 ..... 1010111 @r_vm
vnmsub_vv 101011 . ..... ..... 010 ..... 1010111 @r_vm
vnmsub_vx 101011 . ..... ..... 110 ..... 1010111 @r_vm
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r