From: liuhongt <hongtao.liu@intel.com>
Date: Fri, 5 Nov 2021 02:41:22 +0000 (+0800)
Subject: Update documentation for -ftree-loop-vectorize and -ftree-slp-vectorize which are... 
X-Git-Tag: basepoints/gcc-13~3327
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae1de0bf72fca92f94a7e29f51ce4448b877db4a;p=thirdparty%2Fgcc.git

Update documentation for -ftree-loop-vectorize and -ftree-slp-vectorize which are enabled by default at -02.

gcc/ChangeLog:

	PR tree-optimization/103077
	* doc/invoke.texi (Options That Control Optimization):
	Update documentation for -ftree-loop-vectorize and
	-ftree-slp-vectorize which are enabled by default at -02.
---

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 9fb74d349203..f206cff1221c 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -11958,13 +11958,13 @@ and @option{-ftree-slp-vectorize} if not explicitly specified.
 @item -ftree-loop-vectorize
 @opindex ftree-loop-vectorize
 Perform loop vectorization on trees. This flag is enabled by default at
-@option{-O3} and by @option{-ftree-vectorize}, @option{-fprofile-use},
+@option{-O2} and by @option{-ftree-vectorize}, @option{-fprofile-use},
 and @option{-fauto-profile}.
 
 @item -ftree-slp-vectorize
 @opindex ftree-slp-vectorize
 Perform basic block vectorization on trees. This flag is enabled by default at
-@option{-O3} and by @option{-ftree-vectorize}, @option{-fprofile-use},
+@option{-O2} and by @option{-ftree-vectorize}, @option{-fprofile-use},
 and @option{-fauto-profile}.
 
 @item -ftrivial-auto-var-init=@var{choice}