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authorChris Lattner <sabre@nondot.org>2010-10-04 16:46:07 +0000
committerChris Lattner <sabre@nondot.org>2010-10-04 16:46:07 +0000
commitdc38ad4aee16905908fe11a6713f27f0305767b9 (patch)
tree551cafbe27f84e178ab82d33a07c7e12ec2bcbf7
parentf32a446bc8a9f9a678e0de6890c7752a8f4e8885 (diff)
downloadbcm5719-llvm-dc38ad4aee16905908fe11a6713f27f0305767b9.tar.gz
bcm5719-llvm-dc38ad4aee16905908fe11a6713f27f0305767b9.zip
scheduler update
llvm-svn: 115515
-rw-r--r--llvm/docs/ReleaseNotes.html11
1 files changed, 5 insertions, 6 deletions
diff --git a/llvm/docs/ReleaseNotes.html b/llvm/docs/ReleaseNotes.html
index 2be134940d3..3b68a3298bc 100644
--- a/llvm/docs/ReleaseNotes.html
+++ b/llvm/docs/ReleaseNotes.html
@@ -734,12 +734,11 @@ it run faster:</p>
is available from a previous instruction.</li>
<li>Atomic operations now get legalized into simpler atomic operations if not
natively supported, easing the implementation burden on targets.</li>
-<li>The bottom-up pre-allocation scheduler is now register pressure aware,
- allowing it to avoid overscheduling in high pressure situations while still
- aggressively scheduling when registers are available.</li>
-<li>A new instruction-level-parallelism pre-allocation scheduler is available,
- which is also register pressure aware. This scheduler has shown substantial
- wins on X86-64 and is on by default.</li>
+<li>We have added two new bottom-up pre-allocation register pressure aware schedulers:
+<ol>
+<li>The hybrid scheduler schedules aggressively to minimize schedule length when registers are available and avoid overscheduling in high pressure situations.</li>
+<li>The instruction-level-parallelism scheduler schedules for maximum ILP when registers are available and avoid overscheduling in high pressure situations.</li>
+</ol></li>
<li>The tblgen type inference algorithm was rewritten to be more consistent and
diagnose more target bugs. If you have an out-of-tree backend, you may
find that it finds bugs in your target description. This support also
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