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Subject: gcc-wwwdocs branch master updated.
2e760df142212a340c3954197606a6606da4ca65
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From: hongtao Liu
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This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
commit 2e760df142212a340c3954197606a6606da4ca65
Author: liuhongt
Date: Fri Oct 8 15:03:35 2021 +0800
[GCC-12] Mention O2 vectorization enabling.
diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 22839f2d..f38fd2be 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -68,6 +68,14 @@ a work-in-progress.
General Improvements
+
+ - Vectorization is enabled at
-O2
which is now equivalent to the
+ original -O2 -ftree-vectorize -fvect-cost-model=very-cheap
.
+ Note that default vectorizer cost model has been changed which used to behave
+ as -fvect-cost-model=cheap
were specified.
+
+
+
New Languages and Language specific improvements
-----------------------------------------------------------------------
Summary of changes:
htdocs/gcc-12/changes.html | 8 ++++++++
1 file changed, 8 insertions(+)
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