RFR: 8295711: Rename ZBarrierSetAssembler::load_at parameter name from "tmp_thread" to "tmp2"

[Thomas Schatzl]

On Thu, 20 Oct 2022 08:28:09 GMT, Fei Yang <fyang at openjdk.org> wrote:

> This is a trivial change renaming a formal parameter for ZBarrierSetAssembler::load_at.
> 
> On AArch64 and RISC-V, the last formal parameter for ZBarrierSetAssembler::load_at
> is named "tmp_thread". But the callers will pass an ordinary temporary register for
> this parameter which has no relation with the thread register. We should rename this
> formal parameter from "tmp_thread" to "tmp2".
> 
> Testing: fastdebug builds on linux-aarch64 & linux-riscv64.

Marked as reviewed by tschatzl (Reviewer).

I would have changed it only for the use in x86_32 files, in the actual parameters, but others are okay as is, so go ahead pushing it.
Sorry for holding up this review for so long.

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PR: https://git.openjdk.org/jdk/pull/10783