aboutsummaryrefslogtreecommitdiff
path: root/docs/ReleaseNotes.rst
diff options
context:
space:
mode:
Diffstat (limited to 'docs/ReleaseNotes.rst')
-rw-r--r--docs/ReleaseNotes.rst13
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 9383c5b3fa..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
@@ -90,6 +96,13 @@ in fairly early stages, but we expect successful compilation when:
Some additional functionality is also implemented, notably DWARF debugging,
GNU-style thread local storage and inline assembly.
+Hexagon Target
+--------------
+
+- Removed support for legacy hexagonv2 and hexagonv3 processor
+ architectures which are no longer in use. Currently supported
+ architectures are hexagonv4 and hexagonv5.
+
Loop Vectorizer
---------------