diff options
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-arm.texi | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi index dadd91c..1108014 100644 --- a/gas/doc/c-arm.texi +++ b/gas/doc/c-arm.texi @@ -1,4 +1,4 @@ -@c Copyright 1996, 1997, 1998, 1999, 2000, 2001 +@c Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003 @c Free Software Foundation, Inc. @c This is part of the GAS manual. @c For copying conditions, see the file as.texinfo. @@ -303,6 +303,20 @@ example: foo .req r0 @end smallexample +@cindex @code{unreq} directive, ARM +@item .unreq @var{alias-name} +This undefines a register alias which was previously defined using the +@code{req} directive. For example: + +@smallexample + foo .req r0 + .unreq foo +@end smallexample + +An error occurs if the name is undefined. Note - this pseudo op can +be used to delete builtin in register name aliases (eg 'r0'). This +should only be done if it is really necessary. + @cindex @code{code} directive, ARM @item .code @code{[16|32]} This directive selects the instruction set being generated. The value 16 |