RFR: 8302908: RISC-V: Support masked vector arithmetic instructions for Vector API [v22]

[Dingli Zhang]

On Wed, 19 Apr 2023 02:37:35 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Dingli Zhang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix build fail after JDK-8305008
>
> src/hotspot/cpu/riscv/riscv_v.ad line 199:
> 
>> 197: // vector mask float compare
>> 198: 
>> 199: instruct vmaskcmp_DF(vRegMask dst, vReg src1, vReg src2, immI cond, vReg tmp1, vReg tmp2) %{
> 
> Would you please rename `vmaskcmp_DF` to `vmaskcmp_FD`?  We got `minmax_FD_v` already.

Thanks! Fixed.

> src/hotspot/cpu/riscv/riscv_v.ad line 216:
> 
>> 214: %}
>> 215: 
>> 216: instruct vmaskcmp_DF_masked(vRegMask dst, vReg src1, vReg src2, immI cond, vRegMask_V0 vmask, vReg tmp1, vReg tmp2, vReg tmp3) %{
> 
> ditto

Fixed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/12682#discussion_r1170752063
PR Review Comment: https://git.openjdk.org/jdk/pull/12682#discussion_r1170752084