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target/riscv: vector integer add-with-carry / subtract-with-borrow instructions

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Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200701152549.1218-13-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2020-07-01 23:25:00 +08:00 • committed by Alistair Francis
parent 8fcdf77630
commit 3a6f8f68ad
4 changed files with 294 additions and 0 deletions
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11
target/riscv/insn32.decode
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@ -70,6 +70,7 @@
@r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd
@r_nfvm ... ... vm:1 ..... ..... ... ..... ....... &rnfvm %nf %rs2 %rs1 %rd
@r_vm ...... vm:1 ..... ..... ... ..... ....... &rmrr %rs2 %rs1 %rd
@r_vm_1 ...... . ..... ..... ... ..... ....... &rmrr vm=1 %rs2 %rs1 %rd
@r_wdvm ..... wd:1 vm:1 ..... ..... ... ..... ....... &rwdvm %rs2 %rs1 %rd
@r2_zimm . zimm:11 ..... ... ..... ....... %rs1 %rd
@ -302,6 +303,16 @@ vwsubu_wv 110110 . ..... ..... 010 ..... 1010111 @r_vm
vwsubu_wx 110110 . ..... ..... 110 ..... 1010111 @r_vm
vwsub_wv 110111 . ..... ..... 010 ..... 1010111 @r_vm
vwsub_wx 110111 . ..... ..... 110 ..... 1010111 @r_vm
vadc_vvm 010000 1 ..... ..... 000 ..... 1010111 @r_vm_1
vadc_vxm 010000 1 ..... ..... 100 ..... 1010111 @r_vm_1
vadc_vim 010000 1 ..... ..... 011 ..... 1010111 @r_vm_1
vmadc_vvm 010001 1 ..... ..... 000 ..... 1010111 @r_vm_1
vmadc_vxm 010001 1 ..... ..... 100 ..... 1010111 @r_vm_1
vmadc_vim 010001 1 ..... ..... 011 ..... 1010111 @r_vm_1
vsbc_vvm 010010 1 ..... ..... 000 ..... 1010111 @r_vm_1
vsbc_vxm 010010 1 ..... ..... 100 ..... 1010111 @r_vm_1
vmsbc_vvm 010011 1 ..... ..... 000 ..... 1010111 @r_vm_1
vmsbc_vxm 010011 1 ..... ..... 100 ..... 1010111 @r_vm_1
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r