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[release][docs] Update contributions to LLVM 12 for scalable vectors.
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Authored by david-arm on Feb 8 2021, 8:45 AM.

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sdesmalen
willlovett
c-rhodes

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david-arm requested review of this revision.Feb 8 2021, 8:45 AM

david-arm created this revision.

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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.

LGTM. Would prefer someone else accept

LGTM

This revision is now accepted and ready to land.Feb 9 2021, 6:33 AM

Merged to LLVM Release 12.x branch

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clang/

docs/

ReleaseNotes.rst

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Diff 322316

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.
				sdesmalenUnsubmitted Done Reply Inline Actions nit: insert empty line here. sdesmalen: nit: insert empty line here.
				sdesmalenUnsubmitted Done Reply Inline Actions nit: s/Scalable/Scalable or Vector length agnostic/ sdesmalen: nit: s/Scalable/Scalable or Vector length agnostic/

				Scalable or vector length agnostic vectorization is an experimental feature
				sdesmalenUnsubmitted Done Reply Inline Actions nit: s/it, [...] feature./scalable vectors./ sdesmalen: nit: s/it, [...] feature./scalable vectors./
				for targets that support scalable vectors. For more information please refer
				to the 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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