RFR: 8293999: [JVMCI] need support for aligned constants in generated code larger than 8 bytes [v4]

[Doug Simon]

On Fri, 28 Oct 2022 10:03:46 GMT, Boris Ulasevich <bulasevich at openjdk.org> wrote:

>> 8293999: [JVMCI] need support for aligned constants in generated code larger than 8 bytes
>
> Boris Ulasevich has updated the pull request incrementally with one additional commit since the last revision:
> 
>   arm32 fix

Marked as reviewed by dnsimon (Committer).

src/hotspot/share/asm/codeBuffer.hpp line 457:

> 455:     _stubs.initialize_outer(this,  SECT_STUBS);
> 456: 
> 457:     // default value. should be changed if vectorization requires large aligned constants

I would not make this comment so vectorization specific. Just say something like:

// Default is to align on 8 bytes. A compiler can change this
// if larger alignment (e.g., 32-byte vector masks) is required.

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PR: https://git.openjdk.org/jdk/pull/10392