Author: hans
Date: Thu Feb 11 20:29:33 2016
New Revision: 260648
URL: http://llvm.org/viewvc/llvm-project?rev=260648&view=rev
Log:
ReleaseNotes: start off a 'Changes to X86' section
Modified:
llvm/branches/release_38/docs/ReleaseNotes.rst
Modified: llvm/branches/release_38/docs/ReleaseNotes.rst
URL:
http://llvm.org/viewvc/llvm-project/llvm/branches/release_38/docs/ReleaseNotes.rst?rev=260648&r1=260647&r2=260648&view=diff
==============================================================================
--- llvm/branches/release_38/docs/ReleaseNotes.rst (original)
+++ llvm/branches/release_38/docs/ReleaseNotes.rst Thu Feb 11 20:29:33 2016
@@ -108,6 +108,18 @@ Non-comprehensive list of changes in thi
Makes programs 10x faster by doing Special New Thing.
+Changes to the X86 and X86-64 Targets
+-------------------------------------
+
+* Smaller code for materializing 32-bit 1 and -1 constants at ``-Os``.
+
+* More efficient code for wide integer compares. (E.g. 64-bit compares
+ on 32-bit targets.)
+
+* Tail call support for ``thiscall``, ``stdcall`, ``vectorcall``, and
+ ``fastcall`` functions.
+
+
Changes to the ARM Backend
--------------------------
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