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[binutils-gdb] In x86 -n docs, mention that you need an explicit nop fill byte.
- From: Jim Wilson <wilson at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 29 Nov 2017 18:23:00 -0000
- Subject: [binutils-gdb] In x86 -n docs, mention that you need an explicit nop fill byte.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f923328821e2e835c725822bce2aac6e10c52dd9
commit f923328821e2e835c725822bce2aac6e10c52dd9
Author: Jim Wilson <jimw@sifive.com>
Date: Wed Nov 29 10:22:26 2017 -0800
In x86 -n docs, mention that you need an explicit nop fill byte.
gas/
PR gas/22464
* doc/c-i386.texi (-n): Clarify docs.
Diff:
---
gas/ChangeLog | 5 +++++
gas/doc/c-i386.texi | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 0512f23..8124043 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-29 Jim Wilson <jimw@sifive.com>
+
+ PR gas/22464
+ * doc/c-i386.texi (-n): Clarify docs.
+
2017-11-29 Renlin Li <renlin.li@arm.com>
* config/tc-aarch64.c (reg_names): Fix IP1 register alias typo.
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index a1d33bd..a0e280c 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -74,7 +74,8 @@ 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.
+as leal 0(%esi,1),%esi. This switch disables the optimization if a single
+byte nop (0x90) is explicitly specified as the fill byte for alignment.
@cindex @samp{--divide} option, i386
@item --divide