Re: [PATCH 00/17] Add RISC-V RVV Zve32f and Zve64f extensions

[Frank Chang <frank.chang@sifive.com>]

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<frank.chang@sifive.com> 於 2021年12月29日 週三 上午10:35寫道：

> From: Frank Chang <frank.chang@sifive.com>
>
> In RVV v1.0 spec, several Zve* vector extensions for embedded processors
> are defined in Chapter 18.2:
>
> https://github.com/riscv/riscv-v-spec/blob/v1.0/v-spec.adoc#zve-vector-extensions-for-embedded-processors
>
> This patchset implements Zve32f and Zve64f extensions.
>
> The port is available at:
> https://github.com/sifive/qemu/tree/rvv-zve32f-zve64f-upstream
>
> Zve32f can be enabled with -cpu option: Zve32f=true and
> Zve64f can be enabled with -cpu option: Zve64f=true.
> V is not required to be enabled explicitly.
>
> Quote from the inclusion diagram for the six standard vector extensions
> from Nick Knight <nick.knight@sifive.com>:
>
>       V
>       |
>     Zve64d
>       |
>     Zve64f
>    /      \
> Zve64x   Zve32f
>    \      /
>     Zve32x
>
> Note: This patchset depends on other patchsets listed in Based-on
>       section below so it is not able to be built unless those patchsets
>       are applied.
>
> Based-on: <20211229021250.29804-1-frank.chang@sifive.com>
>
> Frank Chang (17):
>   target/riscv: rvv-1.0: Add Zve64f extension into RISC-V
>   target/riscv: rvv-1.0: Add Zve64f support for configuration insns
>   target/riscv: rvv-1.0: Add Zve64f support for load and store insns
>   target/riscv: rvv-1.0: Add Zve64f support for vmulh variant insns
>   target/riscv: rvv-1.0: Add Zve64f support for vsmul.vv and vsmul.vx
>     insns
>   target/riscv: rvv-1.0: Add Zve64f support for scalar fp insns
>   target/riscv: rvv-1.0: Add Zve64f support for single-width fp
>     reduction insns
>   target/riscv: rvv-1.0: Add Zve64f support for widening type-convert
>     insns
>   target/riscv: rvv-1.0: Add Zve64f support for narrowing type-convert
>     insns
>   target/riscv: rvv-1.0: Allow Zve64f extension to be turned on
>   target/riscv: rvv-1.0: Add Zve32f extension into RISC-V
>   target/riscv: rvv-1.0: Add Zve32f support for configuration insns
>   target/riscv: rvv-1.0: Add Zve32f support for scalar fp insns
>   target/riscv: rvv-1.0: Add Zve32f support for single-width fp
>     reduction insns
>   target/riscv: rvv-1.0: Add Zve32f support for widening type-convert
>     insns
>   target/riscv: rvv-1.0: Add Zve32f support for narrowing type-convert
>     insns
>   target/riscv: rvv-1.0: Allow Zve32f extension to be turned on
>
>  target/riscv/cpu.c                      |   6 +
>  target/riscv/cpu.h                      |   2 +
>  target/riscv/cpu_helper.c               |   5 +-
>  target/riscv/csr.c                      |   6 +-
>  target/riscv/insn_trans/trans_rvv.c.inc | 217 ++++++++++++++++++++----
>  target/riscv/translate.c                |   4 +
>  6 files changed, 203 insertions(+), 37 deletions(-)
>
> --
> 2.31.1
>
>
>
ping

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