* doc/c-mips.texi: Document -march=rm9000.

[deliverable/binutils-gdb.git] / gas / doc / c-i386.texi

diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index 5f5eedafaf7d8767549ee4050289db3cbace53dd..f0047f93825a063a6631aa1108d92e0bb1ce93e2 100644 (file)
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -1,4 +1,5 @@
-@c Copyright (C) 1991, 92, 93, 94, 95, 97, 1998 Free Software Foundation, Inc.
+@c Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001
+@c Free Software Foundation, Inc.
 @c This is part of the GAS manual.
 @c For copying conditions, see the file as.texinfo.
 @ifset GENERIC
@@ -60,6 +61,11 @@ These options are only available with the ELF object file format, and
 require that the necessary BFD support has been included (on a 32-bit
 platform you have to add --enable-64-bit-bfd to configure enable 64-bit
 usage and use x86-64 as target platform).
+
+@item -n
+By default, x86 GAS replaces multiple nop instructions used for
+alignment within code sections with multi-byte nop instructions such
+as leal 0(%esi,1),%esi.  This switch disables the optimization.
 @end table
 
 @node i386-Syntax