Integrated: 8299323: Allow extended registers for cmpw

Tue Jan 17 12:19:20 UTC 2023

On Fri, 23 Dec 2022 12:41:03 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> The current instruction encoder for cmpw(Address, int16_t) on x64 does not allow rex extended registers. Generational ZGC needs to use this for arbitrary registers. Let's add support for it instead of asserting the input Address uses a subset of registers.

This pull request has now been integrated.

Changeset: b7fb8ef8
Author:    Erik Österlund <eosterlund at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/b7fb8ef89edf21ab1d6197ca8aff5a421d82c74c
Stats:     3 lines in 1 file changed: 1 ins; 0 del; 2 mod

8299323: Allow extended registers for cmpw

Reviewed-by: sviswanathan, kvn

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PR: https://git.openjdk.org/jdk/pull/11776