RFR: 8339983: [s390x] secondary_super_cache does not scale well: C1 and interpreter [v2]

Andrew Haley aph at openjdk.org
Wed Nov 27 11:52:42 UTC 2024


On Wed, 27 Nov 2024 11:16:05 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> Also, between this instruction and the branch instruction, we are emitting `z_lg` and `z_lghi` instruction. So maybe just put a comment ?

Yes, do that. I notice we do the same on AArch64, but I sort-of "know" that `macroAssembler::pop` preserves flags on aarch64 and x86.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22341#discussion_r1860523524


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