[jdk17u-dev] Integrated: 8305690: [X86] Do not emit two REX prefixes in Assembler::prefix

[Guoxiong Li]

On Mon, 8 May 2023 15:09:15 GMT, Guoxiong Li <gli at openjdk.org> wrote:

> Hi all,
> 
> This patch prevents `Assembler::prefix` from emitting two `REX` prefixes.
> 
> Low risk:
> It is a corner case which is not triggered by the current code.
> In order to avoid bugs in the future, it is good to backport it.
> 
> Thanks for taking the time to review.
> 
> Best Regards,
> -- Guoxiong

This pull request has now been integrated.

Changeset: 6a849743
Author:    Guoxiong Li <gli at openjdk.org>
Committer: Jie Fu <jiefu at openjdk.org>
URL:       https://git.openjdk.org/jdk17u-dev/commit/6a8497437ad11c8afbe7f02390ab5491a9390277
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

8305690: [X86] Do not emit two REX prefixes in Assembler::prefix

Backport-of: 49726ee3a95023a912aacad0e3714eae146eed21

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PR: https://git.openjdk.org/jdk17u-dev/pull/1334