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Differential D117013

[PowerPC] Set the special DSCR with a compiler option.
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Authored by stefanp on Jan 11 2022, 4:56 AM.

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Reviewers
lei
nemanjai
Group Reviewers
Restricted Project
Commits
rG2e55bc9f3c23: [PowerPC] Set the special DSCR with a compiler option.
Summary

Add a compiler option and the instructions required to set the
special Data Stream Control Register (DSCR). The special register will
not be set by default.

Original patch by: Muhammad Usman

Diff Detail

Event Timeline

stefanp created this revision.Jan 11 2022, 4:56 AM
Herald added subscribers: shchenz, kbarton, hiraditya. · View Herald TranscriptJan 11 2022, 4:56 AM
stefanp requested review of this revision.Jan 11 2022, 4:56 AM
Herald added a project: Restricted Project. · View Herald TranscriptJan 11 2022, 4:56 AM
stefanp added a reviewer: Restricted Project.Jan 11 2022, 4:59 AM
Harbormaster completed remote builds in B142632: Diff 398912.Jan 11 2022, 5:38 AM
stefanp updated this revision to Diff 401215.Jan 19 2022, 6:38 AM

Cleaned up some of the formatting issues.

Harbormaster completed remote builds in B144277: Diff 401215.Jan 19 2022, 7:32 AM
lei added inline comments.Mar 4 2022, 9:22 AM
llvm/lib/Target/PowerPC/PPCInstrInfo.td
3081

//Disable these alias on AIX since they are not supported.

Herald added a project: Restricted Project. · View Herald TranscriptMar 4 2022, 9:22 AM
nemanjai accepted this revision.Mar 4 2022, 9:42 AM

LGTM.

llvm/lib/Target/PowerPC/PPCPreEmitPeephole.cpp
438

It likely doesn't matter, but we should get rid of this kill.

This revision is now accepted and ready to land.Mar 4 2022, 9:42 AM
stefanp updated this revision to Diff 419532.Mar 31 2022, 12:03 PM

Addressed comments and rebased patch to top of main.

This revision was landed with ongoing or failed builds.Mar 31 2022, 12:06 PM
Closed by commit rG2e55bc9f3c23: [PowerPC] Set the special DSCR with a compiler option. (authored by stefanp). · Explain Why
This revision was automatically updated to reflect the committed changes.
stefanp added a commit: rG2e55bc9f3c23: [PowerPC] Set the special DSCR with a compiler option..
Harbormaster completed remote builds in B157240: Diff 419532.Mar 31 2022, 4:33 PM

Revision Contents
Changeset List

PathSize
llvm/
lib/
Target/
PowerPC/
4 lines
1 line
16 lines
37 lines
test/
CodeGen/
PowerPC/
23 lines
MC/
Disassembler/
PowerPC/
6 lines
PowerPC/
6 lines

Diff 419533

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llvm/lib/Target/PowerPC/P10InstrResources.td

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llvm/lib/Target/PowerPC/P9InstrResources.td

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llvm/lib/Target/PowerPC/PPCInstrInfo.td

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llvm/lib/Target/PowerPC/PPCPreEmitPeephole.cpp

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llvm/test/CodeGen/PowerPC/dscr-set.ll

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llvm/test/MC/Disassembler/PowerPC/ppc64-encoding.txt

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llvm/test/MC/PowerPC/ppc64-encoding-ext.s

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