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[binutils-gdb] Fix zero_ext documentation
- From: Antoine Tremblay <hexa at sourceware dot org>
- To: gdb-cvs at sourceware dot org
- Date: 13 Apr 2016 16:38:11 -0000
- Subject: [binutils-gdb] Fix zero_ext documentation
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b8162e5ac9e052b2a88912b729081600972e854c
commit b8162e5ac9e052b2a88912b729081600972e854c
Author: Antoine Tremblay <antoine.tremblay@ericsson.com>
Date: Wed Apr 13 12:36:24 2016 -0400
Fix zero_ext documentation
This patch fixes the documentation for the zero_ext bytecode description.
It removes parts that seemed like a copy/paste from ext, since zero_ext
zeros the bits to the left.
gdb/doc/ChangeLog:
* agentexpr.texi (zero_ext): Fix zero_ext description.
Diff:
---
gdb/doc/ChangeLog | 4 ++++
gdb/doc/agentexpr.texi | 3 +--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index d113c62..59956ef 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2016-04-13 Antoine Tremblay <antoine.tremblay@ericsson.com>
+
+ * agentexpr.texi (byte): Fix zero_ext description.
+
2016-03-31 Pedro Alves <palves@redhat.com>
* gdb.texinfo (M32R/SDI): Delete node.
diff --git a/gdb/doc/agentexpr.texi b/gdb/doc/agentexpr.texi
index 731234d..ade7638 100644
--- a/gdb/doc/agentexpr.texi
+++ b/gdb/doc/agentexpr.texi
@@ -353,8 +353,7 @@ byte unsigned integer following the @code{ext} bytecode.
@item @code{zero_ext} (0x2a) @var{n}: @var{a} @result{} @var{a}, zero-extended from @var{n} bits
Pop an unsigned value from the stack; zero all but the bottom @var{n}
-bits. This means that all bits to the left of bit @var{n-1} (where the
-least significant bit is bit 0) are set to the value of bit @var{n-1}.
+bits.
The number of source bits to preserve, @var{n}, is encoded as a single
byte unsigned integer following the @code{zero_ext} bytecode.