PPC/s390: [compiler] Teach InstructionScheduler about protected memory accesses
Port e301d71f Original Commit Message: Because these instructions can trap, we don't want them to be reordered as freely as unprotected accesses. As part of this, make explicit which opcodes support a MemoryAccessMode. R=neis@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com BUG= LOG=N Change-Id: I122a53a67c9d2b3b99c5c25395064b61969483a4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3181539Reviewed-by: Georg Neis <neis@chromium.org> Reviewed-by: Junliang Yan <junyan@redhat.com> Commit-Queue: Milad Fa <mfarazma@redhat.com> Cr-Commit-Position: refs/heads/main@{#77046}
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