RFR: 8357551: RISC-V: support CMoveF/D vectorization [v7]

[Hamlin Li]

On Mon, 8 Dec 2025 13:32:54 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - remove log_warning
>>  - add test cases: BoolTest::ge/gt in enc_cmove_fp_cmp_fp
>
> test/hotspot/jtreg/compiler/c2/irTests/TestScalarConditionalMoveCmpObj.java line 34:
> 
>> 32:  * @test
>> 33:  * @summary Test conditional move + compare object.
>> 34:  * @requires vm.simpleArch == "riscv64"
> 
> It would be really nice if we generally have no platform requirements at the top of the file, but just IR test applyIf instead. That way, everyone benefits from everyone else's tests and we have less test duplication down the line.

addressed in https://github.com/openjdk/jdk/pull/28702.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28309#discussion_r2599583136