docs: Mention that -fgcse-after-reload is enabled with -O3.

gcc/ChangeLog:

	PR other/100826
	* doc/invoke.texi: Mention that -fgcse-after-reload
	is enabled with -O3.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 5cd4e2d993c99ae55954e35d1023b1510965b6f4..08c3206b71918d0d4581c752f9c72fcb8690cbee 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -10708,7 +10708,7 @@ When @option{-fgcse-after-reload} is enabled, a redundant load elimination
 pass is performed after reload.  The purpose of this pass is to clean up
 redundant spilling.
 
-Enabled by @option{-fprofile-use} and @option{-fauto-profile}.
+Enabled by @option{-O3}, @option{-fprofile-use} and @option{-fauto-profile}.
 
 @item -faggressive-loop-optimizations
 @opindex faggressive-loop-optimizations