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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-28 18:03:11 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-28 18:03:11 +0000 |
| commit | 979dad7bd292d11af5d02c6fe43b3a9c0ffce343 (patch) | |
| tree | 19be6c52d3488b6d2922dd77bbafb3afea7d13f3 /llvm/docs/ReleaseNotes.html | |
| parent | 08dbbbb338393d041c43f765a1a91e656acad8e3 (diff) | |
| download | bcm5719-llvm-979dad7bd292d11af5d02c6fe43b3a9c0ffce343.tar.gz bcm5719-llvm-979dad7bd292d11af5d02c6fe43b3a9c0ffce343.zip | |
Explain what ExeDepsFix does.
llvm-svn: 145253
Diffstat (limited to 'llvm/docs/ReleaseNotes.html')
| -rw-r--r-- | llvm/docs/ReleaseNotes.html | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/docs/ReleaseNotes.html b/llvm/docs/ReleaseNotes.html index e3b3bae9c29..435bd932667 100644 --- a/llvm/docs/ReleaseNotes.html +++ b/llvm/docs/ReleaseNotes.html @@ -942,9 +942,12 @@ be used to verify some algorithms. comparisons, turning them into various optimized code sequences (e.g. using the SSE4/AVX "blend" instructions).</li> <li>The SSE execution domain fix pass and the ARM NEON move fix pass have been - merged to a target independent execution dependency fix pass. Targets can - override the <code>getExecutionDomain</code> and - <code>setExecutionDomain</code> hooks to use it.</li> + merged to a target independent execution dependency fix pass. This pass is + used to select alternative equivalent opcodes in a way that minimizes + execution domain crossings. Closely connected instructions are moved to + the same execution domain when possible. Targets can override the + <code>getExecutionDomain</code> and <code>setExecutionDomain</code> hooks + to use the pass.</li> </ul> </div> |
