Withdrawn: 8327661: C1: Make RBP allocatable on x64 when PreserveFramePointer is disabled

Denghui Dong ddong at openjdk.org
Wed May 15 02:04:14 UTC 2024


On Fri, 8 Mar 2024 11:12:53 GMT, Denghui Dong <ddong at openjdk.org> wrote:

> Hi,
> 
> Could I have a review of this change that makes RBP allocatable in c1 register allocation when PreserveFramePointer is not enabled.
> 
> There seems no reason that RBP cannot be used. Although the performance of c1 jit code is not very critical, in my opinion, this change will not add overhead of compilation. So maybe it is acceptable.
> 
> I am not very sure if I have changed all the places that should be.
> 
> Testing: fastdebug tier1-4 on Linux x64

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/18167


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