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Diffstat (limited to 'docs/ReleaseNotes.rst')
| -rw-r--r-- | docs/ReleaseNotes.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst index 822b55f17c..3ca5560254 100644 --- a/docs/ReleaseNotes.rst +++ b/docs/ReleaseNotes.rst @@ -64,6 +64,12 @@ Non-comprehensive list of changes in this release attributes, which are useful for passing information to code generation. See :doc:`HowToUseAttributes` for more details. +* TableGen's syntax for instruction selection patterns has been simplified. + Instead of specifying types indirectly with register classes, you should now + specify types directly in the input patterns. See ``SparcInstrInfo.td`` for + examples of the new syntax. The old syntax using register classes still + works, but it will be removed in a future LLVM release. + * ... next change ... .. NOTE |