Integrated: 8278037: Clean up PPC32 related code in C1

[Ao Qi]

On Wed, 1 Dec 2021 03:13:38 GMT, Ao Qi <aoqi at openjdk.org> wrote:

> `_tmp1` and `_tmp2` were [removed](https://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/faaed259df37#l13.173) in [JDK-8160245](https://bugs.openjdk.java.net/browse/JDK-8160245), but they are still used.
> 
> This should cause a build error. I don't have a ppc32 machine for the test. It's also not found at https://builds.shipilev.net. Is ppc32 a supported compiler1 platform?
> 
> Update: PPC32 C1 is not supported. Clean up PPC32 related code in C1.

This pull request has now been integrated.

Changeset: 8f196a24
Author:    Ao Qi <aoqi at openjdk.org>
Committer: Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/8f196a2487982a0ae827cdef17243b8c64ba3217
Stats:     67 lines in 3 files changed: 0 ins; 63 del; 4 mod

8278037: Clean up PPC32 related code in C1

Reviewed-by: jiefu, stuefe, shade, mdoerr

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PR: https://git.openjdk.java.net/jdk/pull/6625