[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [RFC v4 45/70] target/riscv: rvv-1.0: add Zvqmac extension
From: |
Richard Henderson |
Subject: |
Re: [RFC v4 45/70] target/riscv: rvv-1.0: add Zvqmac extension |
Date: |
Sat, 29 Aug 2020 13:21:51 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 8/29/20 1:17 PM, Richard Henderson wrote:
> On 8/17/20 1:49 AM, frank.chang@sifive.com wrote:
>> From: Frank Chang <frank.chang@sifive.com>
>>
>> Signed-off-by: Frank Chang <frank.chang@sifive.com>
>> ---
>> target/riscv/cpu.c | 1 +
>> target/riscv/cpu.h | 1 +
>> target/riscv/translate.c | 2 ++
>> 3 files changed, 4 insertions(+)
>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
On second thought, the current manual says
# This is only a proposal for a future extension after v1.0 and might change
substantially before ratifcation.
and does not even include the opcodes for these.
I think we should focus on 1.0 and drop this extension for now.
r~
- Re: [RFC v4 38/70] target/riscv: rvv-1.0: whole register move instructions, (continued)
- [RFC v4 42/70] target/riscv: rvv-1.0: integer add-with-carry/subtract-with-borrow, frank . chang, 2020/08/17
- [RFC v4 43/70] target/riscv: rvv-1.0: narrowing integer right shift instructions, frank . chang, 2020/08/17
- [RFC v4 40/70] target/riscv: rvv-1.0: single-width averaging add and subtract instructions, frank . chang, 2020/08/17
- [RFC v4 41/70] target/riscv: rvv-1.0: single-width bit shift instructions, frank . chang, 2020/08/17
- [RFC v4 44/70] target/riscv: rvv-1.0: widening integer multiply-add instructions, frank . chang, 2020/08/17
- [RFC v4 45/70] target/riscv: rvv-1.0: add Zvqmac extension, frank . chang, 2020/08/17
- [RFC v4 46/70] target/riscv: rvv-1.0: quad-widening integer multiply-add instructions, frank . chang, 2020/08/17
- [RFC v4 47/70] target/riscv: rvv-1.0: single-width saturating add and subtract instructions, frank . chang, 2020/08/17
- [RFC v4 48/70] target/riscv: rvv-1.0: integer comparison instructions, frank . chang, 2020/08/17
- [RFC v4 49/70] target/riscv: use softfloat lib float16 comparison functions, frank . chang, 2020/08/17
- [RFC v4 50/70] target/riscv: rvv-1.0: floating-point compare instructions, frank . chang, 2020/08/17
- [RFC v4 51/70] target/riscv: rvv-1.0: mask-register logical instructions, frank . chang, 2020/08/17