RFR: JDK-8300582: Introduce interface for unaligned memory accesses [v2]

[David Holmes]

On Wed, 18 Jan 2023 21:42:58 GMT, Justin King <jcking at openjdk.org> wrote:

>> Introduce interface for unaligned memory accesses `UnalignedAccess`, consolidate the byte swapping implementation to `byteswap`, and switch to a generic implementation of `Bytes`.
>
> Justin King has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update comment to be correct
>   
>   Signed-off-by: Justin King <jcking at google.com>

src/hotspot/share/utilities/byteswap.hpp line 61:

> 59: #include <type_traits>
> 60: 
> 61: #if defined(_MSC_VER)

I'd rather see OS specific header files to do all this than pollute what is supposed to be shared code with all this OS specific stuff.

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PR: https://git.openjdk.org/jdk/pull/12078