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PR gas/15212
* doc/c-arc.texi (ARC Directives): Use @code instead of @bullte for table format. * doc/c-arm.texi (ARM-Instruction-Set): Likewise. Also add text to the @item directives. (ARM-Neon-Alignment): Move to correct place in the document. * doc/c-cr16.texi (CR16 Operand Qualifiers): Fix up table formatting. * doc/c-tic54x.texi (TIC54X-Subsyms): Correct use of @smallexample.
This commit is contained in:
Nick Clifton
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@ -1,3 +1,16 @@
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2013-03-14 Nick Clifton <nickc@redhat.com>
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PR gas/15212
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* doc/c-arc.texi (ARC Directives): Use @code instead of @bullte
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for table format.
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* doc/c-arm.texi (ARM-Instruction-Set): Likewise. Also add text
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to the @item directives.
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(ARM-Neon-Alignment): Move to correct place in the document.
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* doc/c-cr16.texi (CR16 Operand Qualifiers): Fix up table
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formatting.
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* doc/c-tic54x.texi (TIC54X-Subsyms): Correct use of
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@smallexample.
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2013-03-12 Sebastian Huber <sebastian.huber@embedded-brains.de>
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* config/tc-nios2.c (nios2_consume_arg): Delete 'k' case. Add 'o'
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@ -1,4 +1,4 @@
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@c Copyright 2000, 2001, 2005, 2006, 2007, 2011 Free Software Foundation, Inc.
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@c Copyright 2000-2013 Free Software Foundation, Inc.
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@c This is part of the GAS manual.
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@c For copying conditions, see the file as.texinfo.
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@ -220,7 +220,7 @@ The extension instructions are not macros. The assembler creates
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encodings for use of these instructions according to the specification
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by the user. The parameters are:
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@table @bullet
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@table @code
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@item @var{name}
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Name of the extension instruction
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@ -1,5 +1,4 @@
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@c Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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@c 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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@c Copyright 1996-2013 Free Software Foundation, Inc.
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@c This is part of the GAS manual.
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@c For copying conditions, see the file as.texinfo.
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@ -390,29 +389,29 @@ ARM and THUMB instructions had their own, separate syntaxes. The new,
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@code{unified} syntax, which can be selected via the @code{.syntax}
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directive, and has the following main features:
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@table @bullet
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@item
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@table @code
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@item 1
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Immediate operands do not require a @code{#} prefix.
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@item
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@item 2
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The @code{IT} instruction may appear, and if it does it is validated
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against subsequent conditional affixes. In ARM mode it does not
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generate machine code, in THUMB mode it does.
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@item
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@item 3
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For ARM instructions the conditional affixes always appear at the end
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of the instruction. For THUMB instructions conditional affixes can be
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used, but only inside the scope of an @code{IT} instruction.
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@item
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@item 4
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All of the instructions new to the V6T2 architecture (and later) are
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available. (Only a few such instructions can be written in the
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@code{divided} syntax).
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@item
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@item 5
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The @code{.N} and @code{.W} suffixes are recognized and honored.
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@item
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@item 6
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All instructions set the flags if and only if they have an @code{s}
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affix.
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@end table
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@ -451,28 +450,6 @@ Either @samp{#} or @samp{$} can be used to indicate immediate operands.
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@cindex register names, ARM
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*TODO* Explain about ARM register naming, and the predefined names.
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@node ARM-Neon-Alignment
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@subsection NEON Alignment Specifiers
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@cindex alignment for NEON instructions
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Some NEON load/store instructions allow an optional address
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alignment qualifier.
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The ARM documentation specifies that this is indicated by
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@samp{@@ @var{align}}. However GAS already interprets
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the @samp{@@} character as a "line comment" start,
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so @samp{: @var{align}} is used instead. For example:
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@smallexample
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vld1.8 @{q0@}, [r0, :128]
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@end smallexample
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@node ARM Floating Point
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@section Floating Point
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@cindex floating point, ARM (@sc{ieee})
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@cindex ARM floating point (@sc{ieee})
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The ARM family uses @sc{ieee} floating-point numbers.
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@node ARM-Relocations
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@subsection ARM relocation generation
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@ -519,6 +496,28 @@ respectively. For example to load the 32-bit address of foo into r0:
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MOVT r0, #:upper16:foo
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@end smallexample
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@node ARM-Neon-Alignment
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@subsection NEON Alignment Specifiers
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@cindex alignment for NEON instructions
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Some NEON load/store instructions allow an optional address
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alignment qualifier.
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The ARM documentation specifies that this is indicated by
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@samp{@@ @var{align}}. However GAS already interprets
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the @samp{@@} character as a "line comment" start,
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so @samp{: @var{align}} is used instead. For example:
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@smallexample
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vld1.8 @{q0@}, [r0, :128]
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@end smallexample
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@node ARM Floating Point
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@section Floating Point
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@cindex floating point, ARM (@sc{ieee})
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@cindex ARM floating point (@sc{ieee})
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The ARM family uses @sc{ieee} floating-point numbers.
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@node ARM Directives
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@section ARM Machine Directives
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@ -1,4 +1,4 @@
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@c Copyright 2007, 2008, 2011 Free Software Foundation, Inc.
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@c Copyright 2007-2013 Free Software Foundation, Inc.
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@c This is part of the GAS manual.
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@c For copying conditions, see the file as.texinfo.
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@ -44,26 +44,33 @@ Operand expression type qualifier is an optional field in the instruction operan
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CR16 target operand qualifiers and its size (in bits):
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@table @samp
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@item Immediate Operand
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- s ---- 4 bits
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@item
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- m ---- 16 bits, for movb and movw instructions.
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@item
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- m ---- 20 bits, movd instructions.
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@item
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- l ---- 32 bits
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@item Immediate Operand: s
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4 bits.
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@item Absolute Operand
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- s ---- Illegal specifier for this operand.
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@item
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- m ---- 20 bits, movd instructions.
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@item Immediate Operand: m
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16 bits, for movb and movw instructions.
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@item Immediate Operand: m
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20 bits, movd instructions.
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@item Immediate Operand: l
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32 bits.
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@item Absolute Operand: s
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Illegal specifier for this operand.
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@item Absolute Operand: m
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20 bits, movd instructions.
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@item Displacement Operand: s
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8 bits.
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@item Displacement Operand: m
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16 bits.
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@item Displacement Operand: l
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24 bits.
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@item Displacement Operand
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- s ---- 8 bits
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@item
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- m ---- 16 bits
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@item
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- l ---- 24 bits
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@end table
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For example:
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@ -1,4 +1,4 @@
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@c Copyright 2000, 2002, 2003, 2006, 2011 Free Software Foundation, Inc.
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@c Copyright 2000-2013 Free Software Foundation, Inc.
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@c This is part of the GAS manual.
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@c For copying conditions, see the file as.texinfo.
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@c TI TMS320C54X description by Timothy Wall, twall@cygnus.com
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@ -109,7 +109,7 @@ In this example, x is replaced with SYM2; SYM2 is replaced with SYM1, and SYM1
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is replaced with x. At this point, x has already been encountered
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and the substitution stops.
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@smallexample @code
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@smallexample
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.asg "x",SYM1
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.asg "SYM1",SYM2
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.asg "SYM2",x
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@ -126,14 +126,14 @@ Substitution may be forced in situations where replacement might be
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ambiguous by placing colons on either side of the subsym. The following
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code:
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@smallexample @code
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@smallexample
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.eval "10",x
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LAB:X: add #x, a
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@end smallexample
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When assembled becomes:
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@smallexample @code
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@smallexample
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LAB10 add #10, a
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@end smallexample
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@ -309,7 +309,7 @@ The @code{LDX} pseudo-op is provided for loading the extended addressing bits
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of a label or address. For example, if an address @code{_label} resides
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in extended program memory, the value of @code{_label} may be loaded as
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follows:
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@smallexample @code
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@smallexample
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ldx #_label,16,a ; loads extended bits of _label
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or #_label,a ; loads lower 16 bits of _label
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bacc a ; full address is in accumulator A
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