On Wed, Dec 29, 2021 at 10:43 AM Frank Chang <frank.chang@sifive.com> wrote:
> <frank.chang@sifive.com> 於 2021年12月29日 週三 上午10:13寫道：
>
>> From: Frank Chang <frank.chang@sifive.com>
>>
>> For vector widening and narrowing floating-point instructions, we should
>> use require_scale_rvf() instead of require_rvf() to check whether the
>> correspond RVF/RVD is enabled if either source or destination
>> floating-point operand is double-width of SEW. Otherwise, illegal
>> instruction exception should be raised.
>>
>> e.g. For SEW=16, if the source/destination floating-point operand is
>> double-width of SEW, RVF needs to be enabled. Otherwise, an illegal
>> instruction exception will be raised. Similarly, for SEW=32, RVD
>> needs to be enabled.
>>
>> Frank Chang (3):
>> target/riscv: rvv-1.0: Call the correct RVF/RVD check funtion for
>> widening fp insns
>> target/riscv: rvv-1.0: Call the correct RVF/RVD check funtion for
>> widening fp/int type-convert insns
>> target/riscv: rvv-1.0: Call the correct RVF/RVD check funtion for
>> narrowing fp/int type-convert insns
>
>
> Oops, I misspell the word "function" in the patch titles.
> I will correct it in my next patchset.
>
> Regards,
> Frank Chang
>
I also missed the 'Signed-off-by' in this patch series.
Will also fix it in my next-version patchset.
Regards,
Frank Chang
>
>
>>
>
>
>> target/riscv/insn_trans/trans_rvv.c.inc | 78 ++++++++++++++++++-------
>> 1 file changed, 57 insertions(+), 21 deletions(-)
>>
>> --
>> 2.31.1
>>
>>
>>