acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.

[gcc.git] / gcc / invoke.texi

diff --git a/gcc/invoke.texi b/gcc/invoke.texi
index 2289f3c543d6a8de45fae87bf9cfb411405979c1..4d1a413717d61ad395990ba688039f3bf69ba32e 100644 (file)
--- a/gcc/invoke.texi
+++ b/gcc/invoke.texi
@@ -4905,12 +4905,18 @@ startup modules.
 
 @item -malign-loops=@var{num}
 Align loops to a 2 raised to a @var{num} byte boundary.  If
-@samp{-malign-loops} is not specified, the default is 2.
+@samp{-malign-loops} is not specified, the default is 2 unless
+gas 2.8 (or later) is being used in which case the default is
+to align the loop on a 16 byte boundary if it is less than 8
+bytes away.
 
 @item -malign-jumps=@var{num}
 Align instructions that are only jumped to to a 2 raised to a @var{num}
 byte boundary.  If @samp{-malign-jumps} is not specified, the default is
-2 if optimizing for a 386, and 4 if optimizing for a 486.
+2 if optimizing for a 386, and 4 if optimizing for a 486 unless
+gas 2.8 (or later) is being used in which case the default is
+to align the instruction on a 16 byte boundary if it is less
+than 8 bytes away.
 
 @item -malign-functions=@var{num}
 Align the start of functions to a 2 raised to @var{num} byte boundary.