This is implicitly mentioned in the docs, but there were some questions
in a recent patch. This makes it more exlicit that -falign-functions is
meant to be ignored under -Os.
gcc/doc/ChangeLog
* invoke.texi (-falign-functions): Mention -Os
---
gcc/doc/invoke.texi | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 8326a60dcf1..a24798d5029 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -13164,7 +13164,8 @@ equivalent and mean that functions are not aligned.
If @var{n} is not specified or is zero, use a machine-dependent default.
The maximum allowed @var{n} option value is 65536.
-Enabled at levels @option{-O2}, @option{-O3}.
+Enabled at levels @option{-O2}, @option{-O3}. This has no behavior under under
+@option{-Os}.
@item -flimit-function-alignment
If this option is enabled, the compiler tries to avoid unnecessarily
--
2.34.1
