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2003-05-12  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/bits/atomic.h
	(__arch_compare_and_exchange_bool_8_rel): Define.
	(__arch_compare_and_exchange_bool_16_rel): Define.
	(__ARCH_REL_INSTR): Define if not already defined.
	(__arch_atomic_exchange_and_add_32): Add "memory" to clobber list.
	(__arch_atomic_decrement_if_positive_32):
	Add "memory" to clobber list.
	(__arch_compare_and_exchange_val_32_acq): Remove release sync.
	(__arch_compare_and_exchange_val_32_rel): Define.
	(__arch_atomic_exchange_32): Remove.
	(__arch_atomic_exchange_32_acq): Define.
	(__arch_atomic_exchange_32_rel): Define.
	(atomic_compare_and_exchange_val_rel): Define.
	(atomic_exchange_acq): Use __arch_atomic_exchange_*_acq forms.
	(atomic_exchange_rel): Define.
	* sysdeps/powerpc/powerpc32/bits/atomic.h
	(__arch_compare_and_exchange_bool_32_acq): Remove release sync.
	(__arch_compare_and_exchange_bool_32_rel): Define.
	(__arch_compare_and_exchange_bool_64_rel): Define.
	(__arch_compare_and_exchange_val_64_rel): Define.
	(__arch_atomic_exchange_64): Remove.
	(__arch_atomic_exchange_64_acq): Define.
	(__arch_atomic_exchange_64_rel): Define.
	* sysdeps/powerpc/powerpc64/bits/atomic.h
	(__arch_compare_and_exchange_bool_32_rel): Define.
	(__arch_compare_and_exchange_bool_64_acq): Remove release sync.
	(__arch_compare_and_exchange_bool_64_rel): Define.
	(__arch_compare_and_exchange_val_64_acq): Remove release sync.
	(__arch_compare_and_exchange_val_64_rel): Define.
	(__arch_atomic_exchange_64): Remove.
	(__arch_atomic_exchange_64_acq): Define.
	(__arch_atomic_exchange_64_rel): Define.
	(__arch_atomic_exchange_and_add_64): Add "memory" to clobber list.
	(__arch_atomic_decrement_if_positive_64):
	Add "memory" to clobber list.
	[!UP](__ARCH_REL_INSTR): Define as lwsync.

	the space-padded-by-default conversion specifiers, %e, %k, %l.
This commit is contained in:
Ulrich Drepper 2003-05-13 21:14:28 +00:00
parent edf205d5ef
commit 7158eae4a8
7 changed files with 398 additions and 117 deletions
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41
ChangeLog
View File

@ -1,3 +1,42 @@
2003-05-12 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/bits/atomic.h
(__arch_compare_and_exchange_bool_8_rel): Define.
(__arch_compare_and_exchange_bool_16_rel): Define.
(__ARCH_REL_INSTR): Define if not already defined.
(__arch_atomic_exchange_and_add_32): Add "memory" to clobber list.
(__arch_atomic_decrement_if_positive_32):
Add "memory" to clobber list.
(__arch_compare_and_exchange_val_32_acq): Remove release sync.
(__arch_compare_and_exchange_val_32_rel): Define.
(__arch_atomic_exchange_32): Remove.
(__arch_atomic_exchange_32_acq): Define.
(__arch_atomic_exchange_32_rel): Define.
(atomic_compare_and_exchange_val_rel): Define.
(atomic_exchange_acq): Use __arch_atomic_exchange_*_acq forms.
(atomic_exchange_rel): Define.
* sysdeps/powerpc/powerpc32/bits/atomic.h
(__arch_compare_and_exchange_bool_32_acq): Remove release sync.
(__arch_compare_and_exchange_bool_32_rel): Define.
(__arch_compare_and_exchange_bool_64_rel): Define.
(__arch_compare_and_exchange_val_64_rel): Define.
(__arch_atomic_exchange_64): Remove.
(__arch_atomic_exchange_64_acq): Define.
(__arch_atomic_exchange_64_rel): Define.
* sysdeps/powerpc/powerpc64/bits/atomic.h
(__arch_compare_and_exchange_bool_32_rel): Define.
(__arch_compare_and_exchange_bool_64_acq): Remove release sync.
(__arch_compare_and_exchange_bool_64_rel): Define.
(__arch_compare_and_exchange_val_64_acq): Remove release sync.
(__arch_compare_and_exchange_val_64_rel): Define.
(__arch_atomic_exchange_64): Remove.
(__arch_atomic_exchange_64_acq): Define.
(__arch_atomic_exchange_64_rel): Define.
(__arch_atomic_exchange_and_add_64): Add "memory" to clobber list.
(__arch_atomic_decrement_if_positive_64):
Add "memory" to clobber list.
[!UP](__ARCH_REL_INSTR): Define as lwsync.
2003-05-11 Andreas Schwab <schwab@suse.de>
* io/Makefile ($(objpfx)ftwtest.out): Use absolute file names.
@ -9,7 +48,7 @@
2003-05-11 Jim Meyering <jim@meyering.net>
* time/strftime.c (my_strftime): Let the `-' (no-pad) flag affect
the space-padded-by-default conversion specifiers, %e, %k, %l.
the space-padded-by-default conversion specifiers, %e, %k, %l.
2003-05-11 Andreas Schwab <schwab@suse.de>

265
manual/texinfo.tex
View File

@ -3,7 +3,7 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
\def\texinfoversion{2003-02-03.16}
\def\texinfoversion{2003-05-04.08}
%
% Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
@ -34,12 +34,12 @@
% ftp://tug.org/tex/texinfo.tex
% (and all CTAN mirrors, see http://www.ctan.org),
% and /home/gd/gnu/doc/texinfo.tex on the GNU machines.
%
%
% The GNU Texinfo home page is http://www.gnu.org/software/texinfo.
%
%
% The texinfo.tex in any given Texinfo distribution could well be out
% of date, so if that's what you're using, please check.
%
%
% Send bug reports to bug-texinfo@gnu.org. Please include including a
% complete document in each bug report with which we can reproduce the
% problem. Patches are, of course, greatly appreciated.
@ -55,7 +55,7 @@
% The extra TeX runs get the cross-reference information correct.
% Sometimes one run after texindex suffices, and sometimes you need more
% than two; texi2dvi does it as many times as necessary.
%
%
% It is possible to adapt texinfo.tex for other languages, to some
% extent. You can get the existing language-specific files from the
% full Texinfo distribution.
@ -71,11 +71,11 @@
\message{Basics,}
\chardef\other=12
% We never want plain's outer \+ definition in Texinfo.
% We never want plain's \outer definition of \+ in Texinfo.
% For @tex, we can use \tabalign.
\let\+ = \relax
% Save some parts of plain tex whose names we will redefine.
% Save some plain tex macros whose names we will redefine.
\let\ptexb=\b
\let\ptexbullet=\bullet
\let\ptexc=\c
@ -88,10 +88,12 @@
\let\ptexgtr=>
\let\ptexhat=^
\let\ptexi=\i
\let\ptexindent=\indent
\let\ptexlbrace=\{
\let\ptexless=<
\let\ptexplus=+
\let\ptexrbrace=\}
\let\ptexslash=\/
\let\ptexstar=\*
\let\ptext=\t
@ -164,8 +166,9 @@
% Hyphenation fixes.
\hyphenation{ap-pen-dix}
\hyphenation{mini-buf-fer mini-buf-fers}
\hyphenation{eshell}
\hyphenation{mini-buf-fer mini-buf-fers}
\hyphenation{time-stamp}
\hyphenation{white-space}
% Margin to add to right of even pages, to left of odd pages.
@ -202,7 +205,7 @@
% add check for \lastpenalty to plain's definitions. If the last thing
% we did was a \nobreak, we don't want to insert more space.
%
%
\def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount
\removelastskip\penalty-50\smallskip\fi\fi}
\def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount
@ -536,6 +539,9 @@
% @* forces a line break.
\def\*{\hfil\break\hbox{}\ignorespaces}
% @/ allows a line break.
\let\/=\allowbreak
% @. is an end-of-sentence period.
\def\.{.\spacefactor=3000 }
@ -564,7 +570,7 @@
% explicit \vfill so that the extra space is at the bottom. The
% threshold for doing this is if the group is more than \vfilllimit
% percent of a page (\vfilllimit can be changed inside of @tex).
%
%
\newbox\groupbox
\def\vfilllimit{0.7}
%
@ -721,8 +727,7 @@ where each line of input produces a line of output.}
\spacefactor=3000
}
% @page forces the start of a new page
% @page forces the start of a new page.
%
\def\page{\par\vfill\supereject}
@ -771,10 +776,10 @@ where each line of input produces a line of output.}
% @inmargin{TEXT [, RIGHT-TEXT]}
% (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right;
% else use TEXT for both).
%
%
\def\inmargin#1{\parseinmargin #1,,\finish}
\def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing.
\setbox0 = \hbox{\ignorespaces #2}%
\setbox0 = \hbox{\ignorespaces #2}%
\ifdim\wd0 > 0pt
\def\lefttext{#1}% have both texts
\def\righttext{#2}%
@ -843,8 +848,9 @@ where each line of input produces a line of output.}
% @paragraphindent NCHARS
% We'll use ems for NCHARS, close enough.
% We cannot implement @paragraphindent asis, though.
%
% NCHARS can also be the word `asis' or `none'.
% We cannot feasibly implement @paragraphindent asis, though.
%
\def\asisword{asis} % no translation, these are keywords
\def\noneword{none}
%
@ -879,6 +885,53 @@ where each line of input produces a line of output.}
\fi
}
% @firstparagraphindent WORD
% If WORD is `none', then suppress indentation of the first paragraph
% after a section heading. If WORD is `insert', then do indentat such
% paragraphs.
%
% The paragraph indentation is suppressed or not by calling
% \suppressfirstparagraphindent, which the sectioning commands do. We
% switch the definition of this back and forth according to WORD. By
% default, we suppress indentation.
%
\def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent}
\newdimen\currentparindent
%
\def\insertword{insert}
%
\def\firstparagraphindent{\parsearg\dofirstparagraphindent}
\def\dofirstparagraphindent#1{%
\def\temp{#1}%
\ifx\temp\noneword
\let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent
\else\ifx\temp\insertword
\let\suppressfirstparagraphindent = \relax
\else
\errhelp = \EMsimple
\errmessage{Unknown @firstparagraphindent option `\temp'}%
\fi\fi
}
% Here is how we actually suppress indentation. Redefine \everypar to
% \kern backwards by \parindent, and then reset itself to empty.
%
% We also make \indent itself not actually do anything until the next
% paragraph.
%
\gdef\dosuppressfirstparagraphindent{%
\gdef\indent{%
\global\let\indent=\ptexindent
\global\everypar = {}%
}%
\global\everypar = {%
\kern-\parindent
\global\let\indent=\ptexindent
\global\everypar = {}%
}%
}%
% @asis just yields its argument. Used with @table, for example.
%
\def\asis#1{#1}
@ -887,14 +940,14 @@ where each line of input produces a line of output.}
% We don't use $'s directly in the definition of \math because we need
% to set catcodes according to plain TeX first, to allow for subscripts,
% superscripts, special math chars, etc.
%
%
\let\implicitmath = $%$ font-lock fix
%
% One complication: _ usually means subscripts, but it could also mean
% an actual _ character, as in @math{@var{some_variable} + 1}. So make
% _ within @math be active (mathcode "8000), and distinguish by seeing
% if the current family is \slfam, which is what @var uses.
%
%
{\catcode\underChar = \active
\gdef\mathunderscore{%
\catcode\underChar=\active
@ -905,7 +958,7 @@ where each line of input produces a line of output.}
% FYI, plain.tex uses \\ as a temporary control sequence (why?), but
% this is not advertised and we don't care. Texinfo does not
% otherwise define @\.
%
%
% The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\.
\def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi}
%
@ -920,7 +973,7 @@ where each line of input produces a line of output.}
% Some active characters (such as <) are spaced differently in math.
% We have to reset their definitions in case the @math was an
% argument to a command which set the catcodes (such as @item or @section).
%
%
{
\catcode`^ = \active
\catcode`< = \active
@ -1046,8 +1099,8 @@ where each line of input produces a line of output.}
\def\pdfmakeoutlines{{%
\openin 1 \jobname.toc
\ifeof 1\else\begingroup
\closein 1
% Thanh's hack / proper braces in bookmarks
\closein 1
% Thanh's hack / proper braces in bookmarks
\edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace
\edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace
%
@ -1076,7 +1129,7 @@ where each line of input produces a line of output.}
\let\unnumbsubsubsecentry = \subsubsecentry
%
% Make special characters normal for writing to the pdf file.
%
%
\indexnofonts
\let\tt=\relax
\turnoffactive
@ -1091,7 +1144,7 @@ where each line of input produces a line of output.}
\let\nextmakelinks=\makelinks
\ifnum\lnkcount>0,\fi
\picknum{#1}%
\startlink attr{/Border [0 0 0]}
\startlink attr{/Border [0 0 0]}
goto name{\pdfmkpgn{\the\pgn}}%
\linkcolor #1%
\advance\lnkcount by 1%
@ -1146,7 +1199,7 @@ where each line of input produces a line of output.}
\ifx\first0\adn0
\else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3
\else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6
\else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9
\else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9
\else
\ifnum0=\countA\else\makelink\fi
\ifx\first.\let\next=\done\else
@ -1400,12 +1453,12 @@ where each line of input produces a line of output.}
% 8.5x11=90+ smallbook=80 a4=90+ a5=77
% For me, subjectively, the few extra characters that fit aren't worth
% the additional smallness of 8pt. So I'm making the default 9pt.
%
%
% By the way, for comparison, here's what fits with @example (10pt):
% 8.5x11=71 smallbook=60 a4=75 a5=58
%
%
% I wish we used A4 paper on this side of the Atlantic.
%
%
% --karl, 24jan03.
@ -1431,7 +1484,8 @@ where each line of input produces a line of output.}
% \smartitalic{ARG} outputs arg in italics, followed by an italic correction
% unless the following character is such as not to need one.
\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else
\ptexslash\fi\fi\fi}
\def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx}
\def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx}
@ -1454,7 +1508,7 @@ where each line of input produces a line of output.}
% Set sfcode to normal for the chars that usually have another value.
% Can't use plain's \frenchspacing because it uses the `\x notation, and
% sometimes \x has an active definition that messes things up.
%
%
\catcode`@=11
\def\frenchspacing{%
\sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m
@ -1563,7 +1617,7 @@ where each line of input produces a line of output.}
\gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}%
\else
\errhelp = \EMsimple
\errmessage{Unknown @kbdinputstyle `\arg'}%
\errmessage{Unknown @kbdinputstyle option `\arg'}%
\fi\fi\fi
}
\def\worddistinct{distinct}
@ -1614,7 +1668,7 @@ where each line of input produces a line of output.}
% rms does not like angle brackets --karl, 17may97.
% So now @email is just like @uref, unless we are pdf.
%
%
%\def\email#1{\angleleft{\tt #1}\angleright}
\ifpdf
\def\email#1{\doemail#1,,\finish}
@ -1659,6 +1713,16 @@ where each line of input produces a line of output.}
% @pounds{} is a sterling sign.
\def\pounds{{\it\$}}
% @registeredsymbol - R in a circle. For now, only works in text size;
% we'd have to redo the font mechanism to change the \scriptstyle and
% \scriptscriptstyle font sizes to make it look right in headings.
% Adapted from the plain.tex definition of \copyright.
%
\def\registeredsymbol{%
$^{{\ooalign{\hfil\raise.07ex\hbox{$\scriptstyle\rm R$}\hfil\crcr\Orb}}%
}$%
}
\message{page headings,}
@ -2071,18 +2135,21 @@ where each line of input produces a line of output.}
\itemizey {#1}{\Eitemize}
}
\def\itemizey #1#2{%
\aboveenvbreak %
\itemmax=\itemindent %
\advance \itemmax by -\itemmargin %
\advance \leftskip by \itemindent %
\exdentamount=\itemindent
\parindent = 0pt %
\parskip = \smallskipamount %
\ifdim \parskip=0pt \parskip=2pt \fi%
\def#2{\endgraf\afterenvbreak\endgroup}%
\def\itemcontents{#1}%
\let\item=\itemizeitem}
\def\itemizey#1#2{%
\aboveenvbreak
\itemmax=\itemindent
\advance\itemmax by -\itemmargin
\advance\leftskip by \itemindent
\exdentamount=\itemindent
\parindent=0pt
\parskip=\smallskipamount
\ifdim\parskip=0pt \parskip=2pt \fi
\def#2{\endgraf\afterenvbreak\endgroup}%
\def\itemcontents{#1}%
% @itemize with no arg is equivalent to @itemize @bullet.
\ifx\itemcontents\empty\def\itemcontents{\bullet}\fi
\let\item=\itemizeitem
}
% \splitoff TOKENS\endmark defines \first to be the first token in
% TOKENS, and \rest to be the remainder.
@ -2493,12 +2560,12 @@ width0pt\relax} \fi
% @deffn ...
% @end deffn
% @end ignore
%
%
% The @end deffn is going to get expanded, because we're trying to allow
% nested conditionals. But we don't want to expand the actual @deffn,
% since it might be syntactically correct and intended to be ignored.
% Since \end checks for \relax, using \empty does not cause an error.
%
%
\def\ignoremorecommands{%
\let\defcodeindex = \relax
\let\defcv = \empty
@ -2903,10 +2970,10 @@ width0pt\relax} \fi
% @synindex foo bar makes index foo feed into index bar.
% Do this instead of @defindex foo if you don't want it as a separate index.
%
%
% @syncodeindex foo bar similar, but put all entries made for index foo
% inside @code.
%
%
\def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}}
\def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}}
@ -2948,13 +3015,13 @@ width0pt\relax} \fi
% Take care of Texinfo commands that can appear in an index entry.
% Since there are some commands we want to expand, and others we don't,
% we have to laboriously prevent expansion for those that we don't.
%
%
\def\indexdummies{%
\def\@{@}% change to @@ when we switch to @ as escape char in index files.
\def\ {\realbackslash\space }%
% Need these in case \tex is in effect and \{ is a \delimiter again.
% But can't use \lbracecmd and \rbracecmd because texindex assumes
% braces and backslashes are used only as delimiters.
% braces and backslashes are used only as delimiters.
\let\{ = \mylbrace
\let\} = \myrbrace
%
@ -2963,14 +3030,14 @@ width0pt\relax} \fi
% words, not control letters, because the \space would be incorrect
% for control characters, but is needed to separate the control word
% from whatever follows.
%
%
% For control letters, we have \definedummyletter, which omits the
% space.
%
%
% These can be used both for control words that take an argument and
% those that do not. If it is followed by {arg} in the input, then
% that will dutifully get written to the index (or wherever).
%
%
\def\definedummyword##1{%
\expandafter\def\csname ##1\endcsname{\realbackslash ##1\space}%
}%
@ -2983,9 +3050,9 @@ width0pt\relax} \fi
}
% For the aux file, @ is the escape character. So we want to redefine
% everything using @ instead of \realbackslash. When everything uses
% everything using @ instead of \realbackslash. When everything uses
% @, this will be simpler.
%
%
\def\atdummies{%
\def\@{@@}%
\def\ {@ }%
@ -3006,7 +3073,7 @@ width0pt\relax} \fi
% Called from \indexdummies and \atdummies. \definedummyword and
% \definedummyletter must be defined first.
%
%
\def\commondummies{%
%
\normalturnoffactive
@ -3326,6 +3393,7 @@ width0pt\relax} \fi
%
\smallfonts \rm
\tolerance = 9500
\everypar = {}% don't want the \kern\-parindent from indentation suppression.
\indexbreaks
%
% See if the index file exists and is nonempty.
@ -3569,7 +3637,7 @@ width0pt\relax} \fi
\wd0=\hsize \wd2=\hsize
\hbox to\pagewidth{\box0\hfil\box2}%
}
%
%
% All done with double columns.
\def\enddoublecolumns{%
\output = {%
@ -3707,6 +3775,7 @@ width0pt\relax} \fi
\numberedsubsubseczzz{#2}
\fi
\fi
\suppressfirstparagraphindent
}
% like \numhead, but chooses appendix heading levels
@ -3726,6 +3795,7 @@ width0pt\relax} \fi
\appendixsubsubseczzz{#2}
\fi
\fi
\suppressfirstparagraphindent
}
% like \numhead, but chooses numberless heading levels
@ -3745,6 +3815,7 @@ width0pt\relax} \fi
\unnumberedsubsubseczzz{#2}
\fi
\fi
\suppressfirstparagraphindent
}
% @chapter, @appendix, @unnumbered.
@ -4357,7 +4428,7 @@ width0pt\relax} \fi
% @foo ... @end foo.
% @point{}, @result{}, @expansion{}, @print{}, @equiv{}.
%
%
% Since these characters are used in examples, it should be an even number of
% \tt widths. Each \tt character is 1en, so two makes it 1em.
%
@ -4369,7 +4440,7 @@ width0pt\relax} \fi
% The @error{} command.
% Adapted from the TeXbook's \boxit.
%
%
\newbox\errorbox
%
{\tentt \global\dimen0 = 3em}% Width of the box.
@ -4416,9 +4487,11 @@ width0pt\relax} \fi
\let\equiv=\ptexequiv
\let\!=\ptexexclam
\let\i=\ptexi
\let\indent=\ptexindent
\let\{=\ptexlbrace
\let\+=\tabalign
\let\}=\ptexrbrace
\let\/=\ptexslash
\let\*=\ptexstar
\let\t=\ptext
%
@ -4668,7 +4741,7 @@ width0pt\relax} \fi
% LaTeX-like @verbatim...@end verbatim and @verb{<char>...<char>}
% If we want to allow any <char> as delimiter,
% If we want to allow any <char> as delimiter,
% we need the curly braces so that makeinfo sees the @verb command, eg:
% `@verbx...x' would look like the '@verbx' command. --janneke@gnu.org
%
@ -4746,8 +4819,8 @@ width0pt\relax} \fi
\everypar{\starttabbox}%
}
% Do the @verb magic: verbatim text is quoted by unique
% delimiter characters. Before first delimiter expect a
% Do the @verb magic: verbatim text is quoted by unique
% delimiter characters. Before first delimiter expect a
% right brace, after last delimiter expect closing brace:
%
% \def\doverb'{'<char>#1<char>'}'{#1}
@ -4766,7 +4839,7 @@ width0pt\relax} \fi
%
% \def\doverbatim#1@end verbatim{#1}
%
% For Texinfo it's a lot easier than for LaTeX,
% For Texinfo it's a lot easier than for LaTeX,
% because texinfo's \verbatim doesn't stop at '\end{verbatim}':
% we need not redefine '\', '{' and '}'.
%
@ -4833,14 +4906,14 @@ width0pt\relax} \fi
% @copying ... @end copying.
% Save the text away for @insertcopying later. Many commands won't be
% allowed in this context, but that's ok.
%
%
% We save the uninterpreted tokens, rather than creating a box.
% Saving the text in a box would be much easier, but then all the
% typesetting commands (@smallbook, font changes, etc.) have to be done
% beforehand -- and a) we want @copying to be done first in the source
% file; b) letting users define the frontmatter in as flexible order as
% possible is very desirable.
%
%
\def\copying{\begingroup
% Define a command to swallow text until we reach `@end copying'.
% \ is the escape char in this texinfo.tex file, so it is the
@ -4863,15 +4936,15 @@ width0pt\relax} \fi
% end-of-line to be a \par, as would happen with the normal active
% definition of ^^M. On the third hand, two ^^M's in a row should still
% generate a \par.
%
%
% Our approach is to make ^^M insert a space and a penalty1 normally;
% then it can also check if \lastpenalty=1. If it does, then manually
% do \par.
%
%
% This messes up the normal definitions of @c[omment], so we redefine
% it. Similarly for @ignore. (These commands are used in the gcc
% manual for man page generation.)
%
%
% Seems pretty fragile, most line-oriented commands will presumably
% fail, but for the limited use of getting the copying text (which
% should be quite simple) inserted, we can hope it's ok.
@ -4912,7 +4985,7 @@ width0pt\relax} \fi
\newcount\parencount
% We want ()&[] to print specially on the defun line.
%
%
\def\activeparens{%
\catcode`\(=\active \catcode`\)=\active
\catcode`\&=\active
@ -5015,7 +5088,7 @@ width0pt\relax} \fi
% #1 is the \E... control sequence to end the definition (which we define).
% #2 is the \...x control sequence (which our caller defines).
% #3 is the control sequence to process the header, such as \defunheader.
%
%
\def\parsebodycommon#1#2#3{%
\begingroup\inENV
% If there are two @def commands in a row, we'll have a \nobreak,
@ -5038,7 +5111,7 @@ width0pt\relax} \fi
}
% Common part of the \...x definitions.
%
%
\def\defxbodycommon{%
% As with \parsebodycommon above, allow line break if we have multiple
% x headers in a row. It's not a great place, though.
@ -5089,7 +5162,7 @@ width0pt\relax} \fi
% to account for this both in the \...x definition and in parsing the
% input at hand. Thus also need a control sequence (passed as #5) for
% the \E... definition to assign the category name to.
%
%
\def\deftypeopparsebody#1#2#3#4#5 #6 {%
\parsebodycommon{#1}{#2}{#3}%
\def#2##1 ##2 ##3 {\def#4{##1}%
@ -5194,7 +5267,7 @@ width0pt\relax} \fi
}
% This expands the args and terminates the paragraph they comprise.
%
%
\def\defunargs#1{\functionparens \sl
% Expand, preventing hyphenation at `-' chars.
% Note that groups don't affect changes in \hyphenchar.
@ -5456,7 +5529,7 @@ width0pt\relax} \fi
% These definitions are used if you use @defunx (etc.)
% anywhere other than immediately after a @defun or @defunx.
%
%
\def\defcvx#1 {\errmessage{@defcvx in invalid context}}
\def\deffnx#1 {\errmessage{@deffnx in invalid context}}
\def\defivarx#1 {\errmessage{@defivarx in invalid context}}
@ -5628,7 +5701,7 @@ width0pt\relax} \fi
% Called by \do from \dounmacro on each macro. The idea is to omit any
% macro definitions that have been changed to \relax.
%
%
\def\unmacrodo#1{%
\ifx#1\relax
% remove this
@ -5784,8 +5857,8 @@ width0pt\relax} \fi
% @node's job is to define \lastnode.
\def\node{\ENVcheck\parsearg\nodezzz}
\def\nodezzz#1{\nodexxx [#1,]}
\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
\def\nodezzz#1{\nodexxx #1,\finishnodeparse}
\def\nodexxx#1,#2\finishnodeparse{\gdef\lastnode{#1}}
\let\nwnode=\node
\let\lastnode=\relax
@ -5823,14 +5896,14 @@ width0pt\relax} \fi
% anchor), namely NAME-title (the corresponding @chapter/etc. name),
% NAME-pg (the page number), and NAME-snt (section number and type).
% Called from \foonoderef.
%
%
% We have to set \indexdummies so commands such as @code in a section
% title aren't expanded. It would be nicer not to expand the titles in
% the first place, but there's so many layers that that is hard to do.
%
% Likewise, use \turnoffactive so that punctuation chars such as underscore
% and backslash work in node names.
%
%
\def\setref#1#2{{%
\atdummies
\pdfmkdest{#1}%
@ -5913,14 +5986,25 @@ width0pt\relax} \fi
\setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}%
\ifdim \wd2 > 0pt \refx{#1-snt}\space\fi
}%
% [mynode],
[\printednodename],\space
% page 3
% output the `[mynode]' via a macro.
\xrefprintnodename\printednodename
%
% But we always want a comma and a space:
,\space
%
% output the `page 3'.
\turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}%
\fi
\endlink
\endgroup}
% This macro is called from \xrefX for the `[nodename]' part of xref
% output. It's a separate macro only so it can be changed more easily,
% since not square brackets don't work in some documents. Particularly
% one that Bob is working on :).
%
\def\xrefprintnodename#1{[#1]}
% \dosetq is called from \setref to do the actual \write (\iflinks).
%
\def\dosetq#1#2{%
@ -5935,7 +6019,7 @@ width0pt\relax} \fi
\def\internalsetq#1#2{@xrdef{#1}{\csname #2\endcsname}}
% Things to be expanded by \internalsetq.
%
%
\def\Ypagenumber{\folio}
\def\Ytitle{\thissection}
\def\Ynothing{}
@ -6120,13 +6204,14 @@ width0pt\relax} \fi
%
% Auto-number footnotes. Otherwise like plain.
\gdef\footnote{%
\let\indent=\ptexindent
\global\advance\footnoteno by \@ne
\edef\thisfootno{$^{\the\footnoteno}$}%
%
% In case the footnote comes at the end of a sentence, preserve the
% extra spacing after we do the footnote number.
\let\@sf\empty
\ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
\ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi
%
% Remove inadvertent blank space before typesetting the footnote number.
\unskip
@ -6267,7 +6352,7 @@ width0pt\relax} \fi
\nobreak\bigskip
% Usually we'll have text after the image which will insert
% \parskip glue, so insert it here too to equalize the space
% above and below.
% above and below.
\nobreak\vskip\parskip
\nobreak
\line\bgroup\hss
@ -6355,7 +6440,7 @@ should work if nowhere else does.}
% Parameters in order: 1) textheight; 2) textwidth; 3) voffset;
% 4) hoffset; 5) binding offset; 6) topskip; 7) physical page height; 8)
% physical page width.
%
%
% We also call \setleading{\textleading}, so the caller should define
% \textleading. The caller should also set \parskip.
%
@ -6423,7 +6508,7 @@ should work if nowhere else does.}
\parskip = 3pt plus 2pt minus 1pt
\textleading = 13.2pt
%
% Double-side printing via postscript on Laserjet 4050
% Double-side printing via postscript on Laserjet 4050
% prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm.
% To change the settings for a different printer or situation, adjust
% \normaloffset until the front-side and back-side texts align. Then
@ -6464,7 +6549,7 @@ should work if nowhere else does.}
\tableindent = 12mm
}}
% A specific text layout, 24x15cm overall, intended for A4 paper.
% A specific text layout, 24x15cm overall, intended for A4 paper.
\def\afourlatex{{\globaldefs = 1
\afourpaper
\internalpagesizes{237mm}{150mm}%
@ -6640,7 +6725,7 @@ should work if nowhere else does.}
% Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of
% the literal character `\'. (Thus, \ is not expandable when this is in
% effect.)
%
%
@def@normalturnoffactive{@turnoffactive @let\=@normalbackslash}
% Make _ and + \other characters, temporarily.
@ -6669,7 +6754,7 @@ should work if nowhere else does.}
% Say @foo, not \foo, in error messages.
@escapechar = `@@
% These look ok in all fonts, so just make them not special.
% These look ok in all fonts, so just make them not special.
@catcode`@& = @other
@catcode`@# = @other
@catcode`@% = @other

5
nptl/ChangeLog
View File

@ -1,3 +1,8 @@
2003-05-12 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
(lll_mutex_unlock): Use atomic_exchange_rel.
2003-05-11 Ulrich Drepper <drepper@redhat.com>
* cond-perf.c (cons): Add missing locking around setting of alldone.

2
nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
View File

@ -115,7 +115,7 @@ extern int __lll_timedlock_wait
#define lll_mutex_unlock(lock) \
((void) ({ \
int *__futex = &(lock); \
int __val = atomic_exchange (__futex, 0); \
int __val = atomic_exchange_rel (__futex, 0); \
if (__builtin_expect (__val > 1, 0)) \
lll_futex_wake (__futex, 1); \
}))

87
sysdeps/powerpc/bits/atomic.h
View File

@ -53,28 +53,31 @@ typedef uintmax_t uatomic_max_t;
#define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \
(abort (), 0)
#define __arch_compare_and_exchange_bool_8_rel(mem, newval, oldval) \
(abort (), 0)
#define __arch_compare_and_exchange_bool_16_rel(mem, newval, oldval) \
(abort (), 0)
#ifdef UP
# define __ARCH_ACQ_INSTR ""
# define __ARCH_REL_INSTR ""
#else
# define __ARCH_ACQ_INSTR "isync"
# define __ARCH_REL_INSTR "sync"
# ifndef __ARCH_REL_INSTR
# define __ARCH_REL_INSTR "sync"
# endif
#endif
#define atomic_full_barrier() __asm ("sync" ::: "memory")
#define atomic_write_barrier() __asm ("eieio" ::: "memory")
/*
* XXX At present these have both acquire and release semantics.
* Ultimately we should do separate _acq and _rel versions.
*/
#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
({ \
__typeof (*(mem)) __tmp; \
__typeof (mem) __memp = (mem); \
__asm __volatile (__ARCH_REL_INSTR "\n" \
__asm __volatile ( \
"1: lwarx %0,0,%1\n" \
" cmpw %0,%2\n" \
" bne 2f\n" \
@ -87,7 +90,38 @@ typedef uintmax_t uatomic_max_t;
__tmp; \
})
#define __arch_atomic_exchange_32(mem, value) \
#define __arch_compare_and_exchange_val_32_rel(mem, newval, oldval) \
({ \
__typeof (*(mem)) __tmp; \
__typeof (mem) __memp = (mem); \
__asm __volatile (__ARCH_REL_INSTR "\n" \
"1: lwarx %0,0,%1\n" \
" cmpw %0,%2\n" \
" bne 2f\n" \
" stwcx. %3,0,%1\n" \
" bne- 1b\n" \
"2: " \
: "=&r" (__tmp) \
: "b" (__memp), "r" (oldval), "r" (newval) \
: "cr0", "memory"); \
__tmp; \
})
#define __arch_atomic_exchange_32_acq(mem, value) \
({ \
__typeof (*mem) __val; \
__asm __volatile ( \
"1: lwarx %0,0,%2\n" \
" stwcx. %3,0,%2\n" \
" bne- 1b\n" \
" " __ARCH_ACQ_INSTR \
: "=&r" (__val), "=m" (*mem) \
: "b" (mem), "r" (value), "1" (*mem) \
: "cr0", "memory"); \
__val; \
})
#define __arch_atomic_exchange_32_rel(mem, value) \
({ \
__typeof (*mem) __val; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
@ -96,7 +130,7 @@ typedef uintmax_t uatomic_max_t;
" bne- 1b" \
: "=&r" (__val), "=m" (*mem) \
: "b" (mem), "r" (value), "1" (*mem) \
: "cr0"); \
: "cr0", "memory"); \
__val; \
})
@ -109,7 +143,7 @@ typedef uintmax_t uatomic_max_t;
" bne- 1b" \
: "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
: "b" (mem), "r" (value), "2" (*mem) \
: "cr0"); \
: "cr0", "memory"); \
__val; \
})
@ -124,11 +158,10 @@ typedef uintmax_t uatomic_max_t;
"2: " __ARCH_ACQ_INSTR \
: "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
: "b" (mem), "2" (*mem) \
: "cr0"); \
: "cr0", "memory"); \
__val; \
})
#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
({ \
__typeof (*(mem)) __result; \
@ -140,14 +173,38 @@ typedef uintmax_t uatomic_max_t;
abort (); \
__result; \
})
#define atomic_compare_and_exchange_val_rel(mem, newval, oldval) \
({ \
__typeof (*(mem)) __result; \
if (sizeof (*mem) == 4) \
__result = __arch_compare_and_exchange_val_32_rel(mem, newval, oldval); \
else if (sizeof (*mem) == 8) \
__result = __arch_compare_and_exchange_val_64_rel(mem, newval, oldval); \
else \
abort (); \
__result; \
})
#define atomic_exchange_acq(mem, value) \
({ \
__typeof (*(mem)) __result; \
if (sizeof (*mem) == 4) \
__result = __arch_atomic_exchange_32 (mem, value); \
__result = __arch_atomic_exchange_32_acq (mem, value); \
else if (sizeof (*mem) == 8) \
__result = __arch_atomic_exchange_64 (mem, value); \
__result = __arch_atomic_exchange_64_acq (mem, value); \
else \
abort (); \
__result; \
})
#define atomic_exchange_rel(mem, value) \
({ \
__typeof (*(mem)) __result; \
if (sizeof (*mem) == 4) \
__result = __arch_atomic_exchange_32_rel (mem, value); \
else if (sizeof (*mem) == 8) \
__result = __arch_atomic_exchange_64_rel (mem, value); \
else \
abort (); \
__result; \

31
sysdeps/powerpc/powerpc32/bits/atomic.h
View File

@ -24,7 +24,23 @@
* (a load word and zero (high 32) form). So powerpc64 has a slightly
* different version in sysdeps/powerpc/powerpc64/bits/atomic.h.
*/
# define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \
# define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \
({ \
unsigned int __tmp; \
__asm __volatile ( \
"1: lwarx %0,0,%1\n" \
" subf. %0,%2,%0\n" \
" bne 2f\n" \
" stwcx. %3,0,%1\n" \
" bne- 1b\n" \
"2: " __ARCH_ACQ_INSTR \
: "=&r" (__tmp) \
: "b" (mem), "r" (oldval), "r" (newval) \
: "cr0", "memory"); \
__tmp != 0; \
})
# define __arch_compare_and_exchange_bool_32_rel(mem, newval, oldval) \
({ \
unsigned int __tmp; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
@ -33,7 +49,7 @@
" bne 2f\n" \
" stwcx. %3,0,%1\n" \
" bne- 1b\n" \
"2: " __ARCH_ACQ_INSTR \
"2: " \
: "=&r" (__tmp) \
: "b" (mem), "r" (oldval), "r" (newval) \
: "cr0", "memory"); \
@ -50,8 +66,17 @@
# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
(abort (), (__typeof (*mem)) 0)
# define __arch_compare_and_exchange_bool_64_rel(mem, newval, oldval) \
(abort (), 0)
# define __arch_atomic_exchange_64(mem, value) \
# define __arch_compare_and_exchange_val_64_rel(mem, newval, oldval) \
(abort (), (__typeof (*mem)) 0)
# define __arch_atomic_exchange_64_acq(mem, value) \
({ abort (); (*mem) = (value); })
# define __arch_atomic_exchange_64_rel(mem, value) \
({ abort (); (*mem) = (value); })
# define __arch_atomic_exchange_and_add_64(mem, value) \

84
sysdeps/powerpc/powerpc64/bits/atomic.h
View File

@ -30,7 +30,7 @@
# define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \
({ \
unsigned int __tmp; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
__asm __volatile ( \
"1: lwarx %0,0,%1\n" \
" extsw %0,%0\n" \
" subf. %0,%2,%0\n" \
@ -44,6 +44,23 @@
__tmp != 0; \
})
# define __arch_compare_and_exchange_bool_32_rel(mem, newval, oldval) \
({ \
unsigned int __tmp; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
"1: lwarx %0,0,%1\n" \
" extsw %0,%0\n" \
" subf. %0,%2,%0\n" \
" bne 2f\n" \
" stwcx. %3,0,%1\n" \
" bne- 1b\n" \
"2: " \
: "=&r" (__tmp) \
: "b" (mem), "r" (oldval), "r" (newval) \
: "cr0", "memory"); \
__tmp != 0; \
})
/*
* Only powerpc64 processors support Load doubleword and reserve index (ldarx)
* and Store doubleword conditional indexed (stdcx) instructions. So here
@ -52,7 +69,7 @@
# define __arch_compare_and_exchange_bool_64_acq(mem, newval, oldval) \
({ \
unsigned long __tmp; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
__asm __volatile ( \
"1: ldarx %0,0,%1\n" \
" subf. %0,%2,%0\n" \
" bne 2f\n" \
@ -65,11 +82,27 @@
__tmp != 0; \
})
# define __arch_compare_and_exchange_bool_64_rel(mem, newval, oldval) \
({ \
unsigned long __tmp; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
"1: ldarx %0,0,%1\n" \
" subf. %0,%2,%0\n" \
" bne 2f\n" \
" stdcx. %3,0,%1\n" \
" bne- 1b\n" \
"2: " \
: "=&r" (__tmp) \
: "b" (mem), "r" (oldval), "r" (newval) \
: "cr0", "memory"); \
__tmp != 0; \
})
#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
({ \
__typeof (*(mem)) __tmp; \
__typeof (mem) __memp = (mem); \
__asm __volatile (__ARCH_REL_INSTR "\n" \
__asm __volatile ( \
"1: ldarx %0,0,%1\n" \
" cmpd %0,%2\n" \
" bne 2f\n" \
@ -82,7 +115,38 @@
__tmp; \
})
# define __arch_atomic_exchange_64(mem, value) \
#define __arch_compare_and_exchange_val_64_rel(mem, newval, oldval) \
({ \
__typeof (*(mem)) __tmp; \
__typeof (mem) __memp = (mem); \
__asm __volatile (__ARCH_REL_INSTR "\n" \
"1: ldarx %0,0,%1\n" \
" cmpd %0,%2\n" \
" bne 2f\n" \
" stdcx. %3,0,%1\n" \
" bne- 1b\n" \
"2: " \
: "=&r" (__tmp) \
: "b" (__memp), "r" (oldval), "r" (newval) \
: "cr0", "memory"); \
__tmp; \
})
# define __arch_atomic_exchange_64_acq(mem, value) \
({ \
__typeof (*mem) __val; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
"1: ldarx %0,0,%2\n" \
" stdcx. %3,0,%2\n" \
" bne- 1b\n" \
" " __ARCH_ACQ_INSTR \
: "=&r" (__val), "=m" (*mem) \
: "b" (mem), "r" (value), "1" (*mem) \
: "cr0", "memory"); \
__val; \
})
# define __arch_atomic_exchange_64_rel(mem, value) \
({ \
__typeof (*mem) __val; \
__asm __volatile (__ARCH_REL_INSTR "\n" \
@ -91,7 +155,7 @@
" bne- 1b" \
: "=&r" (__val), "=m" (*mem) \
: "b" (mem), "r" (value), "1" (*mem) \
: "cr0"); \
: "cr0", "memory"); \
__val; \
})
@ -104,7 +168,7 @@
" bne- 1b" \
: "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
: "b" (mem), "r" (value), "2" (*mem) \
: "cr0"); \
: "cr0", "memory"); \
__val; \
})
@ -119,7 +183,7 @@
"2: " __ARCH_ACQ_INSTR \
: "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
: "b" (mem), "2" (*mem) \
: "cr0"); \
: "cr0", "memory"); \
__val; \
})
@ -127,6 +191,12 @@
* All powerpc64 processors support the new "light weight" sync (lwsync).
*/
# define atomic_read_barrier() __asm ("lwsync" ::: "memory")
/*
* "light weight" sync can also be used for the release barrier.
*/
# ifndef UP
# define __ARCH_REL_INSTR "lwsync"
# endif
/*
* Include the rest of the atomic ops macros which are common to both