RFR: 8355216: Accelerate P-256 arithmetic on aarch64 [v4]

[Andrew Dinn]

On Mon, 26 Jan 2026 13:49:52 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Ben Perez has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Added conditionalAssign() intrinsic, changed mult intrinsic to use hybrid neon/gpr approach
>
> src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp line 7933:
> 
>> 7931:       __ ldr(b9, Address(bLimbs, 64));
>> 7932:       __ ldr(b10, Address(bLimbs, 72));
>> 7933: 
> 
> You could use the existing macro generator method `vs_ldpq` to plant these load instructions
> 
>     vs_ldpq(a_vec, aLimbs);

Alternatively, if you need to fold in a fixed initial offset plus a suitable step then use `vs_ldpq_indexed`

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/27946#discussion_r2727698642