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[ReleaseNotes] Add note for the new -fexperimental-isel flag.
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Authored by aemerson on Feb 2 2018, 11:32 AM.

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hans
qcolombet

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rG3980c8df1376: [ReleaseNotes] Add note for the new -fexperimental-isel flag.
rL324212: [ReleaseNotes] Add note for the new -fexperimental-isel flag.

Summary

Add note for the new -fexperimental-isel flag.

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Repository: rL LLVM

Event Timeline

aemerson created this revision.Feb 2 2018, 11:32 AM

LGTM

This revision is now accepted and ready to land.Feb 2 2018, 12:58 PM

@hans if you're happy with this could you commit to the branch?

Closed by commit rL324212: [ReleaseNotes] Add note for the new -fexperimental-isel flag. (authored by hans). · Explain WhyFeb 5 2018, 12:51 AM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: llvm-commits. · View Herald TranscriptFeb 5 2018, 12:51 AM

Revision Contents

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cfe/

branches/

release_60/

docs/

ReleaseNotes.rst

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Diff 132790

cfe/branches/release_60/docs/ReleaseNotes.rst

Show First 20 Lines • Show All 126 Lines • ▼ Show 20 Lines	- The ``-fdouble-square-bracket-attributes`` and corresponding
supported for each syntax.		supported for each syntax.

- Added the ``-std=c17``, ``-std=gnu17``, and ``-std=iso9899:2017`` language		- Added the ``-std=c17``, ``-std=gnu17``, and ``-std=iso9899:2017`` language
mode flags for compatibility with GCC. This enables support for the next		mode flags for compatibility with GCC. This enables support for the next
version of the C standard, expected to be published by ISO in 2018. The only		version of the C standard, expected to be published by ISO in 2018. The only
difference between the ``-std=c17`` and ``-std=c11`` language modes is the		difference between the ``-std=c17`` and ``-std=c11`` language modes is the
value of the ``__STDC_VERSION__`` macro, as C17 is a bug fix release.		value of the ``__STDC_VERSION__`` macro, as C17 is a bug fix release.

		- Added the ``-fexperimental-isel`` and ``-fno-experimental-isel`` flags to
		enable/disable the new GlobalISel instruction selection framework. This
		feature is enabled by default for AArch64 at the ``-O0`` optimization level.
		Support for other targets or optimization levels is currently incomplete.

Deprecated Compiler Flags		Deprecated Compiler Flags
-------------------------		-------------------------

The following options are deprecated and ignored. They will be removed in		The following options are deprecated and ignored. They will be removed in
future versions of Clang.		future versions of Clang.

- ...		- ...

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