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[Docs] Release 14 notes for SPIR-V in clang
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Authored by Anastasia on Feb 14 2022, 6:24 AM.

Reviewers

svenvh
linjamaki

Summary

Added important information about SPIR-V support in the upcoming release.

Anastasia requested review of this revision.Feb 14 2022, 6:24 AM

@linjamaki feel free to suggest other topics to document for the release.

LGTM

This revision is now accepted and ready to land.Feb 15 2022, 5:37 AM

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clang/

docs/

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	Major New Features	Major New Features
	------------------	------------------

		- Added SPIR-V triple and binary generation using external ``llvm-spirv`` tool.
		For more details refer to :ref:`the SPIR-V support section <spir-v>`.
	- ...	- ...

	Improvements to Clang's diagnostics	Improvements to Clang's diagnostics
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	- The ``attribute((target("branch-protection=...)))`` attributes will now also	- The ``attribute((target("branch-protection=...)))`` attributes will now also
	work for the ARM backend.	work for the ARM backend.

		SPIR-V Support in Clang
		-----------------------

		- Added triple/target ``spirv32`` and ``spirv64`` for 32-bit and 64-bit SPIR-V
		respectively.
		- Added generation of binaries via external ``llvm-spirv`` tool. This can now
		be used for HIP or OpenCL.
		- Added linking of separate object files in SPIR-V format using external
		``spirv-link`` tool.


	Floating Point Support in Clang	Floating Point Support in Clang
	-------------------------------	-------------------------------
	- The default setting of FP contraction (FMA) is now -ffp-contract=on (for	- The default setting of FP contraction (FMA) is now -ffp-contract=on (for
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