[LV-commit] CVS: kernel-2.5/Documentation/vax assembler.txt,1.3,1.4

[Kenn H. <ke...@us...>]

Update of /cvsroot/linux-vax/kernel-2.5/Documentation/vax
In directory sc8-pr-cvs1:/tmp/cvs-serv22378/Documentation/vax

Modified Files:
	assembler.txt 
Log Message:
Document new assembler syntax


Index: assembler.txt
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/Documentation/vax/assembler.txt,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- assembler.txt	20 May 2002 00:33:29 -0000	1.3
+++ assembler.txt	18 Jun 2003 23:02:48 -0000	1.4
@@ -1,24 +1,33 @@
 
-The GNU assembler in Andy's cross compilation tool set is a little
+The GNU assembler in our cross compilation tool set is a little
 different from DEC's MACRO32 assembler.  This file summarises the
 differences.
 
+1. Register names are prefixed with %
 
-1. #, ^ and @ become $, ` and *
+   In VAX MACRO you might write:
+
+      movl #0, r0
+
+   In gas, these are written:
+
+      movl $0, %r0
+
+2. #, ^ and @ become $, ` and *
 
    In VAX MACRO you might write:
 
-      movl #0, 8(r5)
+      movl #0, r0
       movl #0, @8(r5)
       movl #0, L^8(r5)
 
    In gas, these are written:
 
-      movl $0, r0
-      movl $0, *8(r5)
-      movl $0, L`8(r5)
+      movl $0, %r0
+      movl $0, *8(%r5)
+      movl $0, L`8(%r5)
 
-2. ^X becomes 0x
+3. ^X becomes 0x
 
    Hex constants are prefixed with 0x, rather than ^x
    Similarly, a leading zero not followed by an x implies octal.
@@ -32,7 +41,7 @@
 
    gas:
 
-      movl $64, r0
-      movl $0x40, r0
-      movl $0100, r0
+      movl $64, %r0
+      movl $0x40, %r0
+      movl $0100, %r0