summaryrefslogtreecommitdiffstats
path: root/contrib/binutils/gas/doc/c-i386.texi
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/binutils/gas/doc/c-i386.texi')
-rw-r--r--contrib/binutils/gas/doc/c-i386.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/contrib/binutils/gas/doc/c-i386.texi b/contrib/binutils/gas/doc/c-i386.texi
index 1527c8d..f0047f9 100644
--- a/contrib/binutils/gas/doc/c-i386.texi
+++ b/contrib/binutils/gas/doc/c-i386.texi
@@ -61,6 +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
OpenPOWER on IntegriCloud