<frank.ch...@sifive.com> 於 2021年12月29日 週三 上午10:35寫道：
> From: Frank Chang <frank.ch...@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.kni...@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.ch...@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
