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Diffstat (limited to 'docs/ReleaseNotes.html')
| -rw-r--r-- | docs/ReleaseNotes.html | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index e3b3bae9c2..435bd93266 100644 --- a/docs/ReleaseNotes.html +++ b/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> |