2000-04-24 Nick Clifton <nickc@cygnus.com>

	* doc/c-arm.texi (ARM Directives): Document behaviour of .align 0.
	* doc/as.texinfo (Align): Include arm and strongarm in list of
	targets that have the second form of the behaviour of the .align
	directive.

2000-05-29  Philip Blundell  <philb@gnu.org>

	* doc/as.texinfo: (Local Labels): Delete misplaced mention of ARM.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 9421d7779ee59df4fb501c9ef3b11a19f441a11c..c3c4e59cebf02cec503f739c9c26a3fda91ea774 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,6 +1,14 @@
+2000-04-24  Nick Clifton  <nickc@cygnus.com>
+
+       * doc/c-arm.texi (ARM Directives): Document behaviour of .align 0.
+       * doc/as.texinfo (Align): Include arm and strongarm in list of
+       targets that have the second form of the behaviour of the .align
+       directive. 
+
 2000-05-29  Philip Blundell  <philb@gnu.org>
 
        * doc/as.texinfo: Update copyright dates.
+       (Local Labels): Delete misplaced mention of ARM.
        * NEWS: Mention ARM ELF support.
 
 Tue May 23 00:57:05 2000  Hans-Peter Nilsson  <hp@axis.com>

diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index bfd9b7563045a76fe58575cee502e2f151570cf6..4ceb10427bfc8b77f0052f2496302b26c136197d 100644 (file)
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -1162,9 +1162,6 @@ target is allowed to redefine the local label prefix.
 @ifset HPPA
 On the HPPA local labels begin with @samp{L$}.
 @end ifset
-@ifset ARM
-@samp{;} for the ARM family;
-@end ifset
 
 @node M
 @section Assemble in MRI Compatibility Mode: @code{-M}
@@ -3264,7 +3261,8 @@ alignment request in bytes.  For example @samp{.align 8} advances
 the location counter until it is a multiple of 8.  If the location counter
 is already a multiple of 8, no change is needed.
 
-For other systems, including the i386 using a.out format, it is the
+For other systems, including the i386 using a.out format, and the arm and
+strongarm, it is the
 number of low-order zero bits the location counter must have after
 advancement.  For example @samp{.align 3} advances the location
 counter until it a multiple of 8.  If the location counter is already a

diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index ff98d7f572c2bf4e40192e7d6b6378bb01105b53..e35498240325d6d880149559dc72cc0b0ba4728c 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -1,4 +1,4 @@
-@c Copyright (C) 1996, 1998, 1999 Free Software Foundation, Inc.
+@c Copyright (C) 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
 @c This is part of the GAS manual.
 @c For copying conditions, see the file as.texinfo.
 
@@ -27,66 +27,86 @@
 @section Options
 @cindex ARM options (none)
 @cindex options for ARM (none)
+
 @table @code
+
 @cindex @code{-marm} command line option, ARM
-@item -marm [@var{2}|@var{250}|@var{3}|@var{6}|@var{60}|@var{600}|@var{610}|@var{620}|@var{7}|@var{7m}|@var{7d}|@var{7dm}|@var{7di}|@var{7dmi}|@var{70}|@var{700}|@var{700i}|@var{710}|@var{710c}|@var{7100}|@var{7500}|@var{7500fe}|@var{7tdmi}|@var{8}|@var{810}|@var{9}|@var{9tdmi}|@var{920}|@var{strongarm}|@var{strongarm110}|@var{strongarm1100}]
+@item -marm@code{[2|250|3|6|60|600|610|620|7|7m|7d|7dm|7di|7dmi|70|700|700i|710|710c|7100|7500|7500fe|7tdmi|8|810|9|9tdmi|920|strongarm|strongarm110|strongarm1100]}
 This option specifies the target processor.  The assembler will issue an
 error message if an attempt is made to assemble an instruction which
 will not execute on the target processor.
+
 @cindex @code{-marmv} command line option, ARM
-@item -marmv [@var{2}|@var{2a}|@var{3}|@var{3m}|@var{4}|@var{4t}|@var{5}|@var{5t}]
+@item -marmv@code{[2|2a|3|3m|4|4t|5|5t]}
 This option specifies the target architecture.  The assembler will issue
 an error message if an attempt is made to assemble an instruction which
 will not execute on the target architecture.
+
 @cindex @code{-mthumb} command line option, ARM
 @item -mthumb
 This option specifies that only Thumb instructions should be assembled.
+
 @cindex @code{-mall} command line option, ARM
 @item -mall
 This option specifies that any Arm or Thumb instruction should be assembled.
+
 @cindex @code{-mfpa} command line option, ARM
-@item -mfpa [@var{10}|@var{11}]
+@item -mfpa @var{[10|11]}
 This option specifies the floating point architecture in use on the
 target processor. 
+
 @cindex @code{-mfpe-old} command line option, ARM
 @item -mfpe-old
 Do not allow the assemble of floating point multiple instructions.
+
 @cindex @code{-mno-fpu} command line option, ARM
 @item -mno-fpu
 Do not allow the assembly of any floating point instructions.
+
 @cindex @code{-mthumb-interwork} command line option, ARM
 @item -mthumb-interwork
 This option specifies that the output generated by the assembler should
 be marked as supporting interworking.
+
 @cindex @code{-mapcs} command line option, ARM
-@item -mapcs [@var{26}|@var{32}]
+@item -mapcs @var{[26|32]}
 This option specifies that the output generated by the assembler should
 be marked as supporting the indicated version of the Arm Procedure.
 Calling Standard.
+
+@cindex @code{-mapcs-float} command line option, ARM
 @item -mapcs-float
 This indicates the the floating point variant of the APCS should be
 used.  In this variant floating point arguments are passed in FP
 registers rather than integer registers.
+
+@cindex @code{-mapcs-reentrant} command line option, ARM
 @item -mapcs-reentrant
 This indicates that the reentrant variant of the APCS should be used.
 This variant supports position independent code.
+
 @cindex @code{-EB} command line option, ARM
 @item -EB
 This option specifies that the output generated by the assembler should
 be marked as being encoded for a big-endian processor.
+
 @cindex @code{-EL} command line option, ARM
 @item -EL
 This option specifies that the output generated by the assembler should
 be marked as being encoded for a little-endian processor.
+
 @cindex @code{-k} command line option, ARM
 @cindex PIC code generation for ARM
 @item -k
 This option enables the generation of PIC (position independent code).
+
+@cindex @code{-moabi} command line option, ARM
 @item -moabi
 This indicates that the code should be assembled using the old ARM ELF
 conventions, based on a beta release release of the ARM-ELF
 specifications, rather than the default conventions which are based on
 the final release of the ARM-ELF specifications.
+
 @end table
 
 
@@ -143,6 +163,13 @@ The ARM family uses @sc{ieee} floating-point numbers.
 @cindex ARM machine directives
 @table @code
 
+@cindex @code{align} directive, ARM
+@item .align @var{expression} [, @var{expression}]
+This is the generic @var{.align} directive.  For the ARM however if the
+first argument is zero (ie no alignment is needed) the assembler will
+behave as if the argument had been 2 (ie pad to the next four byte
+boundary).  This is for compatability with ARM's own assembler.
+
 @cindex @code{req} directive, ARM
 @item @var{name} .req @var{register name}
 This creates an alias for @var{register name} called @var{name}.  For
@@ -153,7 +180,7 @@ example:
 @end smallexample
 
 @cindex @code{code} directive, ARM
-@item .code [@var{16}|@var{32}]
+@item .code @var{[16|32]}
 This directive selects the instruction set being generated. The value 16
 selects Thumb, with the value 32 selecting ARM.