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Differential D96270

[release][docs] Update contributions to LLVM 12 for scalable vectors.
ClosedPublic

Authored by david-arm on Feb 8 2021, 8:45 AM.

Details

Reviewers
sdesmalen
willlovett
c-rhodes

Diff Detail

Unit TestsFailed

TimeTest
410 msx64 debian > libarcher.races::task-dependency.c
380 msx64 debian > libarcher.races::task-taskgroup-unrelated.c
420 msx64 debian > libarcher.races::task-taskwait-nested.c
370 msx64 debian > libarcher.races::task-two.c
380 msx64 debian > libarcher.task::task-barrier.c
View Full Test Results (13 Failed)

Event Timeline

david-arm requested review of this revision.Feb 8 2021, 8:45 AM
david-arm created this revision.
Herald added a project: Restricted Project. · View Herald TranscriptFeb 8 2021, 8:45 AM
Herald added a subscriber: cfe-commits. · View Herald Transcript
Harbormaster completed remote builds in B88300: Diff 322125.Feb 8 2021, 9:22 AM
sdesmalen added inline comments.Feb 8 2021, 9:25 AM
clang/docs/ReleaseNotes.rst
153

nit: insert empty line here.

153

nit: s/Scalable/Scalable or Vector length agnostic/

154–155

nit: s/it, [...] feature./scalable vectors./

david-arm updated this revision to Diff 322316.Feb 9 2021, 2:09 AM
david-arm marked 3 inline comments as done.
willlovett added a comment.Feb 9 2021, 6:23 AM

LGTM. Would prefer someone else accept

sdesmalen accepted this revision.Feb 9 2021, 6:33 AM

LGTM

This revision is now accepted and ready to land.Feb 9 2021, 6:33 AM
david-arm closed this revision.Feb 18 2021, 1:14 AM

Merged to LLVM Release 12.x branch

Revision Contents

PathSize
clang/
docs/
11 lines

Diff 322125

clang/docs/ReleaseNotes.rst

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- clang-cl's ``/Zd`` flag no longer exist. But ``-gline-tables-only`` still - clang-cl's ``/Zd`` flag no longer exist. But ``-gline-tables-only`` still
exists and does the same thing. exists and does the same thing.
New Pragmas in Clang New Pragmas in Clang
-------------------- --------------------
- ... - ...
Modified Pragmas in Clang
-------------------------
- The #pragma "clang loop vectorize_width" has been extended to support an
optional 'fixed|scalable' argument, which can be used to indicate that the
compiler should use fixed-width or scalable vectorization. Fixed-width is
assumed by default. Scalable vectorization is an experimental feature for
sdesmalenUnsubmitted
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nit: insert empty line here.

sdesmalen: nit: insert empty line here.
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nit: s/Scalable/Scalable or Vector length agnostic/

sdesmalen: nit: s/Scalable/Scalable or Vector length agnostic/
targets that support it, such as Arm targets that support the Scalable Vector
Extension (SVE) feature. For more information please refer to the
sdesmalenUnsubmitted
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nit: s/it, [...] feature./scalable vectors./

sdesmalen: nit: s/it, [...] feature./scalable vectors./
Clang Language Extensions documentation.
Attribute Changes in Clang Attribute Changes in Clang
-------------------------- --------------------------
- Added support for the C++20 likelihood attributes ``[[likely]]`` and - Added support for the C++20 likelihood attributes ``[[likely]]`` and
``[[unlikely]]``. As an extension they can be used in C++11 and newer. ``[[unlikely]]``. As an extension they can be used in C++11 and newer.
This extension is enabled by default. This extension is enabled by default.
Windows Support Windows Support
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