This is doc/i960-rtems-gccint.info, produced by makeinfo version 4.6
from doc/i960-rtems-gccint.texi.

INFO-DIR-SECTION Programming
START-INFO-DIR-ENTRY
* gccint: (i960-rtems-gccint).            Internals of the GNU Compiler Collection.
END-INFO-DIR-ENTRY
   This file documents the internals of the GNU compilers.

   Published by the Free Software Foundation
59 Temple Place - Suite 330
Boston, MA 02111-1307 USA

   Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002 Free Software Foundation, Inc.

   Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.1 or
any later version published by the Free Software Foundation; with the
Invariant Sections being "GNU General Public License" and "Funding Free
Software", the Front-Cover texts being (a) (see below), and with the
Back-Cover Texts being (b) (see below).  A copy of the license is
included in the section entitled "GNU Free Documentation License".

   (a) The FSF's Front-Cover Text is:

   A GNU Manual

   (b) The FSF's Back-Cover Text is:

   You have freedom to copy and modify this GNU Manual, like GNU
software.  Copies published by the Free Software Foundation raise
funds for GNU development.


File: i960-rtems-gccint.info,  Node: GNU Free Documentation License,  Next: Contributors,  Prev: Copying,  Up: Top

GNU Free Documentation License
******************************

                        Version 1.1, March 2000
     Copyright (C) 2000 Free Software Foundation, Inc.
     59 Temple Place, Suite 330, Boston, MA  02111-1307, USA
     
     Everyone is permitted to copy and distribute verbatim copies
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  0. PREAMBLE

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ADDENDUM: How to use this License for your documents
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File: i960-rtems-gccint.info,  Node: Contributors,  Next: Option Index,  Prev: GNU Free Documentation License,  Up: Top

Contributors to GCC
*******************

The GCC project would like to thank its many contributors.  Without
them the project would not have been nearly as successful as it has
been.  Any omissions in this list are accidental.  Feel free to contact
<law@redhat.com> if you have been left out or some of your
contributions are not listed.  Please keep this list in alphabetical
order.

   * Analog Devices helped implement the support for complex data types
     and iterators.

   * John David Anglin for threading-related fixes and improvements to
     libstdc++-v3, and the HP-UX port.

   * James van Artsdalen wrote the code that makes efficient use of the
     Intel 80387 register stack.

   * Alasdair Baird for various bugfixes.

   * Gerald Baumgartner added the signature extension to the C++ front
     end.

   * Godmar Back for his Java improvements and encouragement.

   * Scott Bambrough for help porting the Java compiler.

   * Jon Beniston for his Win32 port of Java.

   * Geoff Berry for his Java object serialization work and various
     patches.

   * Eric Blake for helping to make GCJ and libgcj conform to the
     specifications.

   * Hans-J. Boehm for his garbage collector, IA-64 libffi port, and
     other Java work.

   * Neil Booth for work on cpplib, lang hooks, debug hooks and other
     miscellaneous clean-ups.

   * Per Bothner for his direction via the steering committee and
     various improvements to our infrastructure for supporting new
     languages.  Chill front end implementation.  Initial
     implementations of cpplib, fix-header, config.guess, libio, and
     past C++ library (libg++) maintainer.  Dreaming up, designing and
     implementing much of GCJ.

   * Devon Bowen helped port GCC to the Tahoe.

   * Don Bowman for mips-vxworks contributions.

   * Dave Brolley for work on cpplib and Chill.

   * Robert Brown implemented the support for Encore 32000 systems.

   * Christian Bruel for improvements to local store elimination.

   * Herman A.J. ten Brugge for various fixes.

   * Joerg Brunsmann for Java compiler hacking and help with the GCJ
     FAQ.

   * Joe Buck for his direction via the steering committee.

   * Craig Burley for leadership of the Fortran effort.

   * Stephan Buys for contributing Doxygen notes for libstdc++.

   * Paolo Carlini for libstdc++ work: lots of efficiency improvements
     to the string class, hard detective work on the frustrating
     localization issues, and keeping up with the problem reports.

   * John Carr for his alias work, SPARC hacking, infrastructure
     improvements, previous contributions to the steering committee,
     loop optimizations, etc.

   * Steve Chamberlain for support for the Hitachi SH and H8 processors
     and the PicoJava processor, and for GCJ config fixes.

   * Glenn Chambers for help with the GCJ FAQ.

   * John-Marc Chandonia for various libgcj patches.

   * Scott Christley for his Objective-C contributions.

   * Eric Christopher for his Java porting help and clean-ups.

   * Branko Cibej for more warning contributions.

   * The GNU Classpath project for all of their merged runtime code.

   * Nick Clifton for arm, mcore, fr30, v850, m32r work, `--help', and
     other random hacking.

   * Michael Cook for libstdc++ cleanup patches to reduce warnings.

   * Ralf Corsepius for SH testing and minor bugfixing.

   * Stan Cox for care and feeding of the x86 port and lots of behind
     the scenes hacking.

   * Alex Crain provided changes for the 3b1.

   * Ian Dall for major improvements to the NS32k port.

   * Dario Dariol contributed the four varieties of sample programs
     that print a copy of their source.

   * Russell Davidson for fstream and stringstream fixes in libstdc++.

   * Mo DeJong for GCJ and libgcj bug fixes.

   * Gabriel Dos Reis for contributions to g++, contributions and
     maintenance of GCC diagnostics infrastructure, libstdc++-v3,
     including valarray<>, complex<>, maintaining the numerics library
     (including that pesky <limits> :-) and keeping up-to-date anything
     to do with numbers.

   * Ulrich Drepper for his work on glibc, testing of GCC using glibc,
     ISO C99 support, CFG dumping support, etc., plus support of the
     C++ runtime libraries including for all kinds of C interface
     issues, contributing and maintaining complex<>, sanity checking
     and disbursement, configuration architecture, libio maintenance,
     and early math work.

   * Richard Earnshaw for his ongoing work with the ARM.

   * David Edelsohn for his direction via the steering committee,
     ongoing work with the RS6000/PowerPC port, help cleaning up Haifa
     loop changes, and for doing the entire AIX port of libstdc++ with
     his bare hands.

   * Kevin Ediger for the floating point formatting of num_put::do_put
     in libstdc++.

   * Phil Edwards for libstdc++ work including configuration hackery,
     documentation maintainer, chief breaker of the web pages, the
     occasional iostream bugfix, and work on shared library symbol
     versioning.

   * Paul Eggert for random hacking all over GCC.

   * Mark Elbrecht for various DJGPP improvements, and for libstdc++
     configuration support for locales and fstream-related fixes.

   * Vadim Egorov for libstdc++ fixes in strings, streambufs, and
     iostreams.

   * Ben Elliston for his work to move the Objective-C runtime into its
     own subdirectory and for his work on autoconf.

   * Marc Espie for OpenBSD support.

   * Doug Evans for much of the global optimization framework, arc,
     m32r, and SPARC work.

   * Fred Fish for BeOS support and Ada fixes.

   * Ivan Fontes Garcia for the Portugese translation of the GCJ FAQ.

   * Peter Gerwinski for various bugfixes and the Pascal front end.

   * Kaveh Ghazi for his direction via the steering committee and
     amazing work to make `-W -Wall' useful.

   * John Gilmore for a donation to the FSF earmarked improving GNU
     Java.

   * Judy Goldberg for c++ contributions.

   * Torbjorn Granlund for various fixes and the c-torture testsuite,
     multiply- and divide-by-constant optimization, improved long long
     support, improved leaf function register allocation, and his
     direction via the steering committee.

   * Anthony Green for his `-Os' contributions and Java front end work.

   * Stu Grossman for gdb hacking, allowing GCJ developers to debug our
     code.

   * Michael K. Gschwind contributed the port to the PDP-11.

   * Ron Guilmette implemented the `protoize' and `unprotoize' tools,
     the support for Dwarf symbolic debugging information, and much of
     the support for System V Release 4.  He has also worked heavily on
     the Intel 386 and 860 support.

   * Bruno Haible for improvements in the runtime overhead for EH, new
     warnings and assorted bugfixes.

   * Andrew Haley for his amazing Java compiler and library efforts.

   * Chris Hanson assisted in making GCC work on HP-UX for the 9000
     series 300.

   * Michael Hayes for various thankless work he's done trying to get
     the c30/c40 ports functional.  Lots of loop and unroll
     improvements and fixes.

   * Kate Hedstrom for staking the g77 folks with an initial testsuite.

   * Richard Henderson for his ongoing SPARC, alpha, and ia32 work, loop
     opts, and generally fixing lots of old problems we've ignored for
     years, flow rewrite and lots of further stuff, including reviewing
     tons of patches.

   * Nobuyuki Hikichi of Software Research Associates, Tokyo,
     contributed the support for the Sony NEWS machine.

   * Manfred Hollstein for his ongoing work to keep the m88k alive, lots
     of testing an bugfixing, particularly of our configury code.

   * Steve Holmgren for MachTen patches.

   * Jan Hubicka for his x86 port improvements.

   * Christian Iseli for various bugfixes.

   * Kamil Iskra for general m68k hacking.

   * Lee Iverson for random fixes and MIPS testing.

   * Andreas Jaeger for various fixes to the MIPS port

   * Jakub Jelinek for his SPARC work and sibling call optimizations as
     well as lots of bug fixes and test cases, and for improving the
     Java build system.

   * Janis Johnson for ia64 testing and fixes and for her quality
     improvement sidetracks.

   * J. Kean Johnston for OpenServer support.

   * Tim Josling for the sample language treelang based originally on
     Richard Kenner's ""toy" language".

   * Nicolai Josuttis for additional libstdc++ documentation.

   * Klaus Kaempf for his ongoing work to make alpha-vms a viable
     target.

   * David Kashtan of SRI adapted GCC to VMS.

   * Ryszard Kabatek for many, many libstdc++ bugfixes and
     optimizations of strings, especially member functions, and for
     auto_ptr fixes.

   * Geoffrey Keating for his ongoing work to make the PPC work for
     GNU/Linux and his automatic regression tester.

   * Brendan Kehoe for his ongoing work with g++ and for a lot of early
     work in just about every part of libstdc++.

   * Oliver M. Kellogg of Deutsche Aerospace contributed the port to the
     MIL-STD-1750A.

   * Richard Kenner of the New York University Ultracomputer Research
     Laboratory wrote the machine descriptions for the AMD 29000, the
     DEC Alpha, the IBM RT PC, and the IBM RS/6000 as well as the
     support for instruction attributes.  He also made changes to
     better support RISC processors including changes to common
     subexpression elimination, strength reduction, function calling
     sequence handling, and condition code support, in addition to
     generalizing the code for frame pointer elimination and delay slot
     scheduling.  Richard Kenner was also the head maintainer of GCC
     for several years.

   * Mumit Khan for various contributions to the Cygwin and Mingw32
     ports and maintaining binary releases for Windows hosts, and for
     massive libstdc++ porting work to Cygwin/Mingw32.

   * Robin Kirkham for cpu32 support.

   * Mark Klein for PA improvements.

   * Thomas Koenig for various bugfixes.

   * Bruce Korb for the new and improved fixincludes code.

   * Benjamin Kosnik for his g++ work and for leading the libstdc++-v3
     effort.

   * Charles LaBrec contributed the support for the Integrated Solutions
     68020 system.

   * Jeff Law for his direction via the steering committee,
     coordinating the entire egcs project and GCC 2.95, rolling out
     snapshots and releases, handling merges from GCC2, reviewing tons
     of patches that might have fallen through the cracks else, and
     random but extensive hacking.

   * Marc Lehmann for his direction via the steering committee and
     helping with analysis and improvements of x86 performance.

   * Ted Lemon wrote parts of the RTL reader and printer.

   * Kriang Lerdsuwanakij for improvements to demangler and various c++
     fixes.

   * Warren Levy for tremendous work on libgcj (Java Runtime Library)
     and random work on the Java front end.

   * Alain Lichnewsky ported GCC to the MIPS CPU.

   * Oskar Liljeblad for hacking on AWT and his many Java bug reports
     and patches.

   * Robert Lipe for OpenServer support, new testsuites, testing, etc.

   * Weiwen Liu for testing and various bugfixes.

   * Dave Love for his ongoing work with the Fortran front end and
     runtime libraries.

   * Martin von Lo"wis for internal consistency checking infrastructure,
     various C++ improvements including namespace support, and tons of
     assistance with libstdc++/compiler merges.

   * H.J. Lu for his previous contributions to the steering committee,
     many x86 bug reports, prototype patches, and keeping the GNU/Linux
     ports working.

   * Greg McGary for random fixes and (someday) bounded pointers.

   * Andrew MacLeod for his ongoing work in building a real EH system,
     various code generation improvements, work on the global
     optimizer, etc.

   * Vladimir Makarov for hacking some ugly i960 problems, PowerPC
     hacking improvements to compile-time performance, overall
     knowledge and direction in the area of instruction scheduling, and
     design and implementation of the automaton based instruction
     scheduler.

   * Bob Manson for his behind the scenes work on dejagnu.

   * Philip Martin for lots of libstdc++ string and vector iterator
     fixes and improvements, and string clean up and testsuites.

   * All of the Mauve project contributors, for Java test code.

   * Bryce McKinlay for numerous GCJ and libgcj fixes and improvements.

   * Adam Megacz for his work on the Win32 port of GCJ.

   * Michael Meissner for LRS framework, ia32, m32r, v850, m88k, MIPS,
     powerpc, haifa, ECOFF debug support, and other assorted hacking.

   * Jason Merrill for his direction via the steering committee and
     leading the g++ effort.

   * David Miller for his direction via the steering committee, lots of
     SPARC work, improvements in jump.c and interfacing with the Linux
     kernel developers.

   * Gary Miller ported GCC to Charles River Data Systems machines.

   * Alfred Minarik for libstdc++ string and ios bugfixes, and turning
     the entire libstdc++ testsuite namespace-compatible.

   * Mark Mitchell for his direction via the steering committee,
     mountains of C++ work, load/store hoisting out of loops, alias
     analysis improvements, ISO C `restrict' support, and serving as
     release manager for GCC 3.x.

   * Alan Modra for various GNU/Linux bits and testing.

   * Toon Moene for his direction via the steering committee, Fortran
     maintenance, and his ongoing work to make us make Fortran run fast.

   * Jason Molenda for major help in the care and feeding of all the
     services on the gcc.gnu.org (formerly egcs.cygnus.com)
     machine--mail, web services, ftp services, etc etc.  Doing all
     this work on scrap paper and the backs of envelopes would have
     been... difficult.

   * Catherine Moore for fixing various ugly problems we have sent her
     way, including the haifa bug which was killing the Alpha & PowerPC
     Linux kernels.

   * Mike Moreton for his various Java patches.

   * David Mosberger-Tang for various Alpha improvements.

   * Stephen Moshier contributed the floating point emulator that
     assists in cross-compilation and permits support for floating
     point numbers wider than 64 bits and for ISO C99 support.

   * Bill Moyer for his behind the scenes work on various issues.

   * Philippe De Muyter for his work on the m68k port.

   * Joseph S. Myers for his work on the PDP-11 port, format checking
     and ISO C99 support, and continuous emphasis on (and contributions
     to) documentation.

   * Nathan Myers for his work on libstdc++-v3: architecture and
     authorship through the first three snapshots, including
     implementation of locale infrastructure, string, shadow C headers,
     and the initial project documentation (DESIGN, CHECKLIST, and so
     forth).  Later, more work on MT-safe string and shadow headers.

   * Felix Natter for documentation on porting libstdc++.

   * NeXT, Inc. donated the front end that supports the Objective-C
     language.

   * Hans-Peter Nilsson for the CRIS and MMIX ports, improvements to
     the search engine setup, various documentation fixes and other
     small fixes.

   * Geoff Noer for this work on getting cygwin native builds working.

   * David O'Brien for the FreeBSD/alpha, FreeBSD/AMD x86-64,
     FreeBSD/ARM, FreeBSD/PowerPC, and FreeBSD/SPARC64 ports and
     related infrastructure improvements.

   * Alexandre Oliva for various build infrastructure improvements,
     scripts and amazing testing work, including keeping libtool issues
     sane and happy.

   * Melissa O'Neill for various NeXT fixes.

   * Rainer Orth for random MIPS work, including improvements to our o32
     ABI support, improvements to dejagnu's MIPS support, Java
     configuration clean-ups and porting work, etc.

   * Paul Petersen wrote the machine description for the Alliant FX/8.

   * Alexandre Petit-Bianco for implementing much of the Java compiler
     and continued Java maintainership.

   * Matthias Pfaller for major improvements to the NS32k port.

   * Gerald Pfeifer for his direction via the steering committee,
     pointing out lots of problems we need to solve, maintenance of the
     web pages, and taking care of documentation maintenance in general.

   * Ovidiu Predescu for his work on the Objective-C front end and
     runtime libraries.

   * Ken Raeburn for various improvements to checker, MIPS ports and
     various cleanups in the compiler.

   * Rolf W. Rasmussen for hacking on AWT.

   * David Reese of Sun Microsystems contributed to the Solaris on
     PowerPC port.

   * Joern Rennecke for maintaining the sh port, loop, regmove & reload
     hacking.

   * Loren J. Rittle for improvements to libstdc++-v3 including the
     FreeBSD port, threading fixes, thread-related configury changes,
     critical threading documentation, and solutions to really tricky
     I/O problems.

   * Craig Rodrigues for processing tons of bug reports.

   * Gavin Romig-Koch for lots of behind the scenes MIPS work.

   * Ken Rose for fixes to our delay slot filling code.

   * Paul Rubin wrote most of the preprocessor.

   * Chip Salzenberg for libstdc++ patches and improvements to locales,
     traits, Makefiles, libio, libtool hackery, and "long long" support.

   * Juha Sarlin for improvements to the H8 code generator.

   * Greg Satz assisted in making GCC work on HP-UX for the 9000 series
     300.

   * Bradley Schatz for his work on the GCJ FAQ.

   * Peter Schauer wrote the code to allow debugging to work on the
     Alpha.

   * William Schelter did most of the work on the Intel 80386 support.

   * Bernd Schmidt for various code generation improvements and major
     work in the reload pass as well a serving as release manager for
     GCC 2.95.3.

   * Peter Schmid for constant testing of libstdc++ - especially
     application testing, going above and beyond what was requested for
     the release criteria - and libstdc++ header file tweaks.

   * Jason Schroeder for jcf-dump patches.

   * Andreas Schwab for his work on the m68k port.

   * Joel Sherrill for his direction via the steering committee, RTEMS
     contributions and RTEMS testing.

   * Nathan Sidwell for many C++ fixes/improvements.

   * Jeffrey Siegal for helping RMS with the original design of GCC,
     some code which handles the parse tree and RTL data structures,
     constant folding and help with the original VAX & m68k ports.

   * Kenny Simpson for prompting libstdc++ fixes due to defect reports
     from the LWG (thereby keeping us in line with updates from the
     ISO).

   * Franz Sirl for his ongoing work with making the PPC port stable
     for linux.

   * Andrey Slepuhin for assorted AIX hacking.

   * Christopher Smith did the port for Convex machines.

   * Randy Smith finished the Sun FPA support.

   * Scott Snyder for queue, iterator, istream, and string fixes and
     libstdc++ testsuite entries.

   * Brad Spencer for contributions to the GLIBCPP_FORCE_NEW technique.

   * Richard Stallman, for writing the original gcc and launching the
     GNU project.

   * Jan Stein of the Chalmers Computer Society provided support for
     Genix, as well as part of the 32000 machine description.

   * Nigel Stephens for various mips16 related fixes/improvements.

   * Jonathan Stone wrote the machine description for the Pyramid
     computer.

   * Graham Stott for various infrastructure improvements.

   * John Stracke for his Java HTTP protocol fixes.

   * Mike Stump for his Elxsi port, g++ contributions over the years
     and more recently his vxworks contributions

   * Jeff Sturm for Java porting help, bug fixes, and encouragement.

   * Shigeya Suzuki for this fixes for the bsdi platforms.

   * Ian Lance Taylor for his mips16 work, general configury hacking,
     fixincludes, etc.

   * Holger Teutsch provided the support for the Clipper CPU.

   * Gary Thomas for his ongoing work to make the PPC work for
     GNU/Linux.

   * Philipp Thomas for random bugfixes throughout the compiler

   * Jason Thorpe for thread support in libstdc++ on NetBSD.

   * Kresten Krab Thorup wrote the run time support for the Objective-C
     language and the fantastic Java bytecode interpreter.

   * Michael Tiemann for random bugfixes, the first instruction
     scheduler, initial C++ support, function integration, NS32k, SPARC
     and M88k machine description work, delay slot scheduling.

   * Andreas Tobler for his work porting libgcj to Darwin.

   * Teemu Torma for thread safe exception handling support.

   * Leonard Tower wrote parts of the parser, RTL generator, and RTL
     definitions, and of the VAX machine description.

   * Tom Tromey for internationalization support and for his many Java
     contributions and libgcj maintainership.

   * Lassi Tuura for improvements to config.guess to determine HP
     processor types.

   * Petter Urkedal for libstdc++ CXXFLAGS, math, and algorithms fixes.

   * Brent Verner for work with the libstdc++ cshadow files and their
     associated configure steps.

   * Todd Vierling for contributions for NetBSD ports.

   * Jonathan Wakely for contributing libstdc++ Doxygen notes and XHTML
     guidance.

   * Dean Wakerley for converting the install documentation from HTML
     to texinfo in time for GCC 3.0.

   * Krister Walfridsson for random bugfixes.

   * Stephen M. Webb for time and effort on making libstdc++ shadow
     files work with the tricky Solaris 8+ headers, and for pushing the
     build-time header tree.

   * John Wehle for various improvements for the x86 code generator,
     related infrastructure improvements to help x86 code generation,
     value range propagation and other work, WE32k port.

   * Zack Weinberg for major work on cpplib and various other bugfixes.

   * Matt Welsh for help with Linux Threads support in GCJ.

   * Urban Widmark for help fixing java.io.

   * Mark Wielaard for new Java library code and his work integrating
     with Classpath.

   * Dale Wiles helped port GCC to the Tahoe.

   * Bob Wilson from Tensilica, Inc. for the Xtensa port.

   * Jim Wilson for his direction via the steering committee, tackling
     hard problems in various places that nobody else wanted to work
     on, strength reduction and other loop optimizations.

   * Carlo Wood for various fixes.

   * Tom Wood for work on the m88k port.

   * Masanobu Yuhara of Fujitsu Laboratories implemented the machine
     description for the Tron architecture (specifically, the Gmicro).

   * Kevin Zachmann helped ported GCC to the Tahoe.

   * Gilles Zunino for help porting Java to Irix.


   We'd also like to thank the folks who have contributed time and
energy in testing GCC:

   * Michael Abd-El-Malek

   * Thomas Arend

   * Bonzo Armstrong

   * Steven Ashe

   * Chris Baldwin

   * David Billinghurst

   * Jim Blandy

   * Stephane Bortzmeyer

   * Horst von Brand

   * Frank Braun

   * Rodney Brown

   * Joe Buck

   * Craig Burley

   * Sidney Cadot

   * Bradford Castalia

   * Ralph Doncaster

   * Ulrich Drepper

   * David Edelsohn

   * Richard Emberson

   * Levente Farkas

   * Graham Fawcett

   * Robert A. French

   * Jo"rgen Freyh

   * Mark K. Gardner

   * Charles-Antoine Gauthier

   * Yung Shing Gene

   * Kaveh Ghazi

   * David Gilbert

   * Simon Gornall

   * Fred Gray

   * John Griffin

   * Patrik Hagglund

   * Phil Hargett

   * Amancio Hasty

   * Bryan W. Headley

   * Kate Hedstrom

   * Richard Henderson

   * Kevin B. Hendricks

   * Manfred Hollstein

   * Kamil Iskra

   * Joep Jansen

   * Christian Joensson

   * David Kidd

   * Tobias Kuipers

   * Anand Krishnaswamy

   * Jeff Law

   * Robert Lipe

   * llewelly

   * Damon Love

   * Dave Love

   * H.J. Lu

   * Brad Lucier

   * Mumit Khan

   * Matthias Klose

   * Martin Knoblauch

   * Jesse Macnish

   * David Miller

   * Toon Moene

   * Stefan Morrell

   * Anon A. Mous

   * Matthias Mueller

   * Pekka Nikander

   * Alexandre Oliva

   * Jon Olson

   * Magnus Persson

   * Chris Pollard

   * Richard Polton

   * David Rees

   * Paul Reilly

   * Tom Reilly

   * Loren J. Rittle

   * Torsten Rueger

   * Danny Sadinoff

   * Marc Schifer

   * Peter Schmid

   * David Schuler

   * Vin Shelton

   * Franz Sirl

   * Tim Souder

   * Mike Stump

   * Adam Sulmicki

   * George Talbot

   * Gregory Warnes

   * Carlo Wood

   * David E. Young

   * And many others

   And finally we'd like to thank everyone who uses the compiler,
submits bug reports and generally reminds us why we're doing this work
in the first place.


File: i960-rtems-gccint.info,  Node: Option Index,  Next: Index,  Prev: Contributors,  Up: Top

Option Index
************

GCC's command line options are indexed here without any initial `-' or
`--'.  Where an option has both positive and negative forms (such as
`-fOPTION' and `-fno-OPTION'), relevant entries in the manual are
indexed under the most appropriate form; it may sometimes be useful to
look up both forms.

* Menu:

* dB:                                    Passes.
* dc:                                    Passes.
* dd:                                    Passes.
* dE:                                    Passes.
* de:                                    Passes.
* df:                                    Passes.
* dg:                                    Passes.
* dG:                                    Passes.
* di:                                    Passes.
* dj:                                    Passes.
* dk:                                    Passes.
* dL:                                    Passes.
* dl:                                    Passes.
* dN:                                    Passes.
* dr:                                    Passes.
* dR:                                    Passes.
* dS:                                    Passes.
* ds:                                    Passes.
* dt:                                    Passes.
* dW:                                    Passes.
* dX:                                    Passes.
* frerun-cse-after-loop:                 Passes.
* fssa:                                  Passes.
* fssa-ccp:                              Passes.
* fssa-dce:                              Passes.
* fthread-jumps:                         Passes.
* msoft-float:                           Interface.


File: i960-rtems-gccint.info,  Node: Index,  Prev: Option Index,  Up: Top

Index
*****

* Menu:

* ! in constraint:                       Multi-Alternative.
* # in constraint:                       Modifiers.
* # in template:                         Output Template.
* #pragma:                               Misc.
* % in constraint:                       Modifiers.
* % in template:                         Output Template.
* & in constraint:                       Modifiers.
* (nil):                                 RTL Objects.
* * in constraint:                       Modifiers.
* * in template:                         Output Statement.
* + in constraint:                       Modifiers.
* /c in RTL dump:                        Flags.
* /f in RTL dump:                        Flags.
* /i in RTL dump:                        Flags.
* /j in RTL dump:                        Flags.
* /s in RTL dump:                        Flags.
* /u in RTL dump:                        Flags.
* /v in RTL dump:                        Flags.
* 0 in constraint:                       Simple Constraints.
* < in constraint:                       Simple Constraints.
* = in constraint:                       Modifiers.
* > in constraint:                       Simple Constraints.
* ? in constraint:                       Multi-Alternative.
* \:                                     Output Template.
* __builtin_args_info:                   Varargs.
* __builtin_classify_type:               Varargs.
* __builtin_next_arg:                    Varargs.
* __builtin_saveregs:                    Varargs.
* __CTOR_LIST__:                         Initialization.
* __DTOR_LIST__:                         Initialization.
* __main:                                Collect2.
* abort:                                 Portability.
* abs:                                   Arithmetic.
* abs and attributes:                    Expressions.
* absM2 instruction pattern:             Standard Names.
* absolute value:                        Arithmetic.
* access to operands:                    Accessors.
* accessors:                             Accessors.
* ACCUMULATE_OUTGOING_ARGS:              Stack Arguments.
* ACCUMULATE_OUTGOING_ARGS and stack frames: Function Entry.
* ADA_LONG_TYPE_SIZE:                    Type Layout.
* ADDITIONAL_REGISTER_NAMES:             Instruction Output.
* addM3 instruction pattern:             Standard Names.
* addr_diff_vec:                         Side Effects.
* addr_diff_vec, length of:              Insn Lengths.
* ADDR_EXPR:                             Expression trees.
* addr_vec:                              Side Effects.
* addr_vec, length of:                   Insn Lengths.
* address constraints:                   Simple Constraints.
* ADDRESS_COST:                          Costs.
* address_operand:                       Simple Constraints.
* addressing modes:                      Addressing Modes.
* addressof:                             Regs and Memory.
* ADJUST_FIELD_ALIGN:                    Storage Layout.
* ADJUST_INSN_LENGTH:                    Insn Lengths.
* aggregates as return values:           Aggregate Return.
* ALL_REGS:                              Register Classes.
* ALLOCATE_INITIAL_VALUE:                Misc.
* allocate_stack instruction pattern:    Standard Names.
* ALLOCATE_TRAMPOLINE:                   Trampolines.
* analysis, data flow:                   Passes.
* and:                                   Arithmetic.
* and and attributes:                    Expressions.
* and, canonicalization of:              Insn Canonicalizations.
* andM3 instruction pattern:             Standard Names.
* APPLY_RESULT_SIZE:                     Scalar Return.
* ARG_POINTER_CFA_OFFSET:                Frame Layout.
* ARG_POINTER_REGNUM:                    Frame Registers.
* ARG_POINTER_REGNUM and virtual registers: Regs and Memory.
* arg_pointer_rtx:                       Frame Registers.
* ARGS_GROW_DOWNWARD:                    Frame Layout.
* argument passing:                      Interface.
* arguments in registers:                Register Arguments.
* arguments on stack:                    Stack Arguments.
* arithmetic libraries:                  Interface.
* arithmetic shift:                      Arithmetic.
* arithmetic simplifications:            Passes.
* arithmetic, in RTL:                    Arithmetic.
* ARITHMETIC_TYPE_P:                     Types.
* array:                                 Types.
* ARRAY_REF:                             Expression trees.
* ARRAY_TYPE:                            Types.
* ashift:                                Arithmetic.
* ashift and attributes:                 Expressions.
* ashiftrt:                              Arithmetic.
* ashiftrt and attributes:               Expressions.
* ashlM3 instruction pattern:            Standard Names.
* ashrM3 instruction pattern:            Standard Names.
* ASM_APP_OFF:                           File Framework.
* ASM_APP_ON:                            File Framework.
* ASM_CLOBBERS:                          Function Bodies.
* ASM_COMMENT_START:                     File Framework.
* ASM_CV_QUAL:                           Function Bodies.
* ASM_DECLARE_CLASS_REFERENCE:           Label Output.
* ASM_DECLARE_FUNCTION_NAME:             Label Output.
* ASM_DECLARE_FUNCTION_SIZE:             Label Output.
* ASM_DECLARE_OBJECT_NAME:               Label Output.
* ASM_DECLARE_REGISTER_GLOBAL:           Label Output.
* ASM_DECLARE_UNRESOLVED_REFERENCE:      Label Output.
* ASM_FILE_END:                          File Framework.
* ASM_FILE_START:                        File Framework.
* ASM_FINAL_SPEC:                        Driver.
* ASM_FINISH_DECLARE_OBJECT:             Label Output.
* ASM_FORMAT_PRIVATE_NAME:               Label Output.
* asm_fprintf:                           Instruction Output.
* ASM_FPRINTF_EXTENSIONS:                Instruction Output.
* ASM_GENERATE_INTERNAL_LABEL:           Label Output.
* ASM_GLOBALIZE_LABEL:                   Label Output.
* asm_input:                             Side Effects.
* ASM_INPUTS:                            Function Bodies.
* ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX:     Exception Handling.
* ASM_NO_SKIP_IN_TEXT:                   Alignment Output.
* asm_noperands:                         Insns.
* asm_operands, RTL sharing:             Sharing.
* asm_operands, usage:                   Assembler.
* ASM_OUTPUT_ADDR_DIFF_ELT:              Dispatch Tables.
* ASM_OUTPUT_ADDR_VEC_ELT:               Dispatch Tables.
* ASM_OUTPUT_ALIGN:                      Alignment Output.
* ASM_OUTPUT_ALIGNED_BSS:                Uninitialized Data.
* ASM_OUTPUT_ALIGNED_COMMON:             Uninitialized Data.
* ASM_OUTPUT_ALIGNED_DECL_COMMON:        Uninitialized Data.
* ASM_OUTPUT_ALIGNED_DECL_LOCAL:         Uninitialized Data.
* ASM_OUTPUT_ALIGNED_LOCAL:              Uninitialized Data.
* ASM_OUTPUT_ALTERNATE_LABEL_NAME:       Label Output.
* ASM_OUTPUT_ASCII:                      Data Output.
* ASM_OUTPUT_BSS:                        Uninitialized Data.
* ASM_OUTPUT_CASE_END:                   Dispatch Tables.
* ASM_OUTPUT_CASE_LABEL:                 Dispatch Tables.
* ASM_OUTPUT_COMMON:                     Uninitialized Data.
* ASM_OUTPUT_DEBUG_LABEL:                Label Output.
* ASM_OUTPUT_DEF:                        Label Output.
* ASM_OUTPUT_DEF_FROM_DECLS:             Label Output.
* ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL: Label Output.
* ASM_OUTPUT_EXTERNAL:                   Label Output.
* ASM_OUTPUT_EXTERNAL_LIBCALL:           Label Output.
* ASM_OUTPUT_FDESC:                      Data Output.
* ASM_OUTPUT_IDENT:                      File Framework.
* ASM_OUTPUT_INTERNAL_LABEL:             Label Output.
* ASM_OUTPUT_LABEL:                      Label Output.
* ASM_OUTPUT_LABEL_REF:                  Label Output.
* ASM_OUTPUT_LABELREF:                   Label Output.
* ASM_OUTPUT_LOCAL:                      Uninitialized Data.
* ASM_OUTPUT_MAX_SKIP_ALIGN:             Alignment Output.
* ASM_OUTPUT_MI_THUNK:                   Function Entry.
* ASM_OUTPUT_OPCODE:                     Instruction Output.
* ASM_OUTPUT_POOL_EPILOGUE:              Data Output.
* ASM_OUTPUT_POOL_PROLOGUE:              Data Output.
* ASM_OUTPUT_REG_POP:                    Instruction Output.
* ASM_OUTPUT_REG_PUSH:                   Instruction Output.
* ASM_OUTPUT_SHARED_BSS:                 Uninitialized Data.
* ASM_OUTPUT_SHARED_COMMON:              Uninitialized Data.
* ASM_OUTPUT_SHARED_LOCAL:               Uninitialized Data.
* ASM_OUTPUT_SKIP:                       Alignment Output.
* ASM_OUTPUT_SOURCE_FILENAME:            File Framework.
* ASM_OUTPUT_SOURCE_LINE:                File Framework.
* ASM_OUTPUT_SPECIAL_POOL_ENTRY:         Data Output.
* ASM_OUTPUT_SYMBOL_REF:                 Label Output.
* ASM_OUTPUT_WEAK_ALIAS:                 Label Output.
* ASM_OUTPUTS:                           Function Bodies.
* ASM_PREFERRED_EH_DATA_FORMAT:          Exception Handling.
* ASM_SPEC:                              Driver.
* ASM_STABD_OP:                          DBX Options.
* ASM_STABN_OP:                          DBX Options.
* ASM_STABS_OP:                          DBX Options.
* ASM_STMT:                              Function Bodies.
* ASM_STRING:                            Function Bodies.
* ASM_WEAKEN_DECL:                       Label Output.
* ASM_WEAKEN_LABEL:                      Label Output.
* assemble_name:                         Label Output.
* assembler format:                      File Framework.
* assembler instructions in RTL:         Assembler.
* ASSEMBLER_DIALECT:                     Instruction Output.
* assigning attribute values to insns:   Tagging Insns.
* assignment operator:                   Function Basics.
* asterisk in template:                  Output Statement.
* atof:                                  Cross-compilation.
* attr <1>:                              Tagging Insns.
* attr:                                  Expressions.
* attr_flag:                             Expressions.
* attribute expressions:                 Expressions.
* attribute specifications:              Attr Example.
* attribute specifications example:      Attr Example.
* attributes:                            Attributes.
* attributes, defining:                  Defining Attributes.
* attributes, target-specific:           Target Attributes.
* autoincrement addressing, availability: Portability.
* autoincrement/decrement addressing:    Simple Constraints.
* autoincrement/decrement analysis:      Passes.
* AVOID_CCMODE_COPIES:                   Values in Registers.
* backslash:                             Output Template.
* barrier:                               Insns.
* BASE_REG_CLASS:                        Register Classes.
* basic block reordering:                Passes.
* basic blocks:                          Passes.
* bCOND instruction pattern:             Standard Names.
* bcopy, implicit usage:                 Library Calls.
* BIGGEST_ALIGNMENT:                     Storage Layout.
* BIGGEST_FIELD_ALIGNMENT:               Storage Layout.
* BImode:                                Machine Modes.
* BIND_EXPR:                             Expression trees.
* BINFO_TYPE:                            Classes.
* bit-fields:                            Bit-Fields.
* BIT_AND_EXPR:                          Expression trees.
* BIT_IOR_EXPR:                          Expression trees.
* BIT_NOT_EXPR:                          Expression trees.
* BIT_XOR_EXPR:                          Expression trees.
* BITFIELD_NBYTES_LIMITED:               Storage Layout.
* BITS_BIG_ENDIAN:                       Storage Layout.
* BITS_BIG_ENDIAN, effect on sign_extract: Bit-Fields.
* BITS_PER_UNIT:                         Storage Layout.
* BITS_PER_WORD:                         Storage Layout.
* bitwise complement:                    Arithmetic.
* bitwise exclusive-or:                  Arithmetic.
* bitwise inclusive-or:                  Arithmetic.
* bitwise logical-and:                   Arithmetic.
* BLKmode:                               Machine Modes.
* BLKmode, and function return values:   Calls.
* BOOL_TYPE_SIZE:                        Type Layout.
* BOOLEAN_TYPE:                          Types.
* branch shortening:                     Passes.
* BRANCH_COST:                           Costs.
* break_out_memory_refs:                 Addressing Modes.
* BREAK_STMT:                            Function Bodies.
* BSS_SECTION_ASM_OP:                    Sections.
* builtin_longjmp instruction pattern:   Standard Names.
* BUILTIN_SETJMP_FRAME_VALUE:            Frame Layout.
* builtin_setjmp_receiver instruction pattern: Standard Names.
* builtin_setjmp_setup instruction pattern: Standard Names.
* byte_mode:                             Machine Modes.
* BYTES_BIG_ENDIAN:                      Storage Layout.
* BYTES_BIG_ENDIAN, effect on subreg:    Regs and Memory.
* bzero, implicit usage:                 Library Calls.
* C statements for assembler output:     Output Statement.
* C/C++ Internal Representation:         Trees.
* C4X_FLOAT_FORMAT:                      Storage Layout.
* call <1>:                              Side Effects.
* call:                                  Flags.
* call instruction pattern:              Standard Names.
* call usage:                            Calls.
* call, in insn_list:                    Flags.
* call-clobbered register:               Register Basics.
* call-saved register:                   Register Basics.
* call-used register:                    Register Basics.
* CALL_EXPR:                             Expression trees.
* call_insn:                             Insns.
* call_insn and /j:                      Flags.
* call_insn and /u:                      Flags.
* CALL_INSN_FUNCTION_USAGE:              Insns.
* call_pop instruction pattern:          Standard Names.
* CALL_POPS_ARGS:                        Stack Arguments.
* CALL_REALLY_USED_REGISTERS:            Register Basics.
* CALL_USED_REGISTERS:                   Register Basics.
* call_used_regs:                        Register Basics.
* call_value instruction pattern:        Standard Names.
* call_value_pop instruction pattern:    Standard Names.
* CALLER_SAVE_PROFITABLE:                Caller Saves.
* calling conventions:                   Stack and Calling.
* calling functions in RTL:              Calls.
* CAN_DEBUG_WITHOUT_FP:                  Run-time Target.
* CAN_ELIMINATE:                         Elimination.
* canadian:                              Configure Terms.
* canonicalization of instructions:      Insn Canonicalizations.
* CANONICALIZE_COMPARISON:               Condition Code.
* canonicalize_funcptr_for_compare instruction pattern: Standard Names.
* CASE_DROPS_THROUGH:                    Misc.
* CASE_VALUES_THRESHOLD:                 Misc.
* CASE_VECTOR_MODE:                      Misc.
* CASE_VECTOR_PC_RELATIVE:               Misc.
* CASE_VECTOR_SHORTEN_MODE:              Misc.
* casesi instruction pattern:            Standard Names.
* cc0:                                   Regs and Memory.
* cc0, RTL sharing:                      Sharing.
* cc0_rtx:                               Regs and Memory.
* CC1_SPEC:                              Driver.
* CC1PLUS_SPEC:                          Driver.
* cc_status:                             Condition Code.
* CC_STATUS_MDEP:                        Condition Code.
* CC_STATUS_MDEP_INIT:                   Condition Code.
* CCmode:                                Machine Modes.
* CDImode:                               Machine Modes.
* change_address:                        Standard Names.
* CHAR_TYPE_SIZE:                        Type Layout.
* CHECK_FLOAT_VALUE:                     Storage Layout.
* check_stack instruction pattern:       Standard Names.
* CHImode:                               Machine Modes.
* class:                                 Classes.
* class definitions, register:           Register Classes.
* class preference constraints:          Class Preferences.
* CLASS_LIKELY_SPILLED_P:                Register Classes.
* CLASS_MAX_NREGS:                       Register Classes.
* CLASS_TYPE_P:                          Types.
* classes of RTX codes:                  RTL Classes.
* CLASSTYPE_DECLARED_CLASS:              Classes.
* CLASSTYPE_HAS_MUTABLE:                 Classes.
* CLASSTYPE_NON_POD_P:                   Classes.
* CLEANUP_DECL:                          Function Bodies.
* CLEANUP_EXPR:                          Function Bodies.
* CLEANUP_POINT_EXPR:                    Expression trees.
* CLEANUP_STMT:                          Function Bodies.
* CLEAR_INSN_CACHE:                      Trampolines.
* clobber:                               Side Effects.
* clrstrM instruction pattern:           Standard Names.
* cmpM instruction pattern:              Standard Names.
* cmpstrM instruction pattern:           Standard Names.
* code generation RTL sequences:         Expander Definitions.
* code motion:                           Passes.
* code_label:                            Insns.
* code_label and /i:                     Flags.
* CODE_LABEL_NUMBER:                     Insns.
* codes, RTL expression:                 RTL Objects.
* COImode:                               Machine Modes.
* COLLECT2_HOST_INITIALIZATION:          Host Config.
* COLLECT_EXPORT_LIST:                   Misc.
* combiner pass:                         Regs and Memory.
* common subexpression elimination:      Passes.
* compare:                               Arithmetic.
* compare, canonicalization of:          Insn Canonicalizations.
* compiler passes and files:             Passes.
* complement, bitwise:                   Arithmetic.
* COMPLEX_CST:                           Expression trees.
* COMPLEX_EXPR:                          Expression trees.
* COMPLEX_TYPE:                          Types.
* COMPONENT_REF:                         Expression trees.
* COMPOUND_BODY:                         Function Bodies.
* COMPOUND_EXPR:                         Expression trees.
* COMPOUND_LITERAL_EXPR:                 Expression trees.
* COMPOUND_LITERAL_EXPR_DECL:            Expression trees.
* COMPOUND_LITERAL_EXPR_DECL_STMT:       Expression trees.
* COMPOUND_STMT:                         Function Bodies.
* computing the length of an insn:       Insn Lengths.
* cond:                                  Comparisons.
* cond and attributes:                   Expressions.
* cond_exec:                             Side Effects.
* COND_EXPR:                             Expression trees.
* condition code register:               Regs and Memory.
* condition code status:                 Condition Code.
* condition codes:                       Comparisons.
* conditional constant propagation:      Passes.
* Conditional Constant Propagation, SSA based: Passes.
* conditional execution:                 Conditional Execution.
* CONDITIONAL_REGISTER_USAGE:            Register Basics.
* conditional_trap instruction pattern:  Standard Names.
* conditions, in patterns:               Patterns.
* configuration file:                    Host Config.
* configure terms:                       Configure Terms.
* CONJ_EXPR:                             Expression trees.
* CONST0_RTX:                            Constants.
* const0_rtx:                            Constants.
* const1_rtx:                            Constants.
* CONST1_RTX:                            Constants.
* const2_rtx:                            Constants.
* CONST2_RTX:                            Constants.
* CONST_COSTS:                           Costs.
* CONST_DECL:                            Declarations.
* const_double:                          Constants.
* const_double, RTL sharing:             Sharing.
* CONST_DOUBLE_CHAIN:                    Constants.
* CONST_DOUBLE_LOW:                      Constants.
* CONST_DOUBLE_MEM:                      Constants.
* CONST_DOUBLE_OK_FOR_LETTER_P:          Register Classes.
* const_int:                             Constants.
* const_int and attribute tests:         Expressions.
* const_int and attributes:              Expressions.
* const_int, RTL sharing:                Sharing.
* CONST_OK_FOR_LETTER_P:                 Register Classes.
* CONST_OR_PURE_CALL_P:                  Flags.
* const_string:                          Constants.
* const_string and attributes:           Expressions.
* const_true_rtx:                        Constants.
* const_vector:                          Constants.
* const_vector, RTL sharing:             Sharing.
* constant attributes:                   Constant Attributes.
* constant definitions:                  Constant Definitions.
* constant folding:                      Passes.
* constant folding and floating point:   Cross-compilation.
* constant propagation:                  Passes.
* CONSTANT_ADDRESS_P:                    Addressing Modes.
* CONSTANT_AFTER_FUNCTION_P:             Data Output.
* CONSTANT_ALIGNMENT:                    Storage Layout.
* CONSTANT_P:                            Addressing Modes.
* CONSTANT_POOL_ADDRESS_P:               Flags.
* CONSTANT_POOL_BEFORE_FUNCTION:         Data Output.
* constants in constraints:              Simple Constraints.
* constm1_rtx:                           Constants.
* constraint modifier characters:        Modifiers.
* constraint, matching:                  Simple Constraints.
* constraints:                           Constraints.
* constraints, machine specific:         Machine Constraints.
* constructor:                           Function Basics.
* CONSTRUCTOR:                           Expression trees.
* constructors, automatic calls:         Collect2.
* constructors, output of:               Initialization.
* container:                             Containers.
* CONTINUE_STMT:                         Function Bodies.
* contributors:                          Contributors.
* controlling register usage:            Register Basics.
* controlling the compilation driver:    Driver.
* conventions, run-time:                 Interface.
* conversions:                           Conversions.
* CONVERT_EXPR:                          Expression trees.
* copy constructor:                      Function Basics.
* copy propagation:                      Passes.
* copy_rtx:                              Addressing Modes.
* copy_rtx_if_shared:                    Sharing.
* costs of instructions:                 Costs.
* COSTS_N_INSNS:                         Costs.
* CP_INTEGRAL_TYPE:                      Types.
* cp_namespace_decls:                    Namespaces.
* CP_TYPE_CONST_NON_VOLATILE_P:          Types.
* CP_TYPE_CONST_P:                       Types.
* CP_TYPE_QUALS:                         Types.
* CP_TYPE_RESTRICT_P:                    Types.
* CP_TYPE_VOLATILE_P:                    Types.
* CPLUSPLUS_CPP_SPEC:                    Driver.
* CPP_PREDEFINES:                        Run-time Target.
* cpp_register_pragma:                   Misc.
* CPP_SPEC:                              Driver.
* CQImode:                               Machine Modes.
* cross compilation and floating point:  Cross-compilation.
* CRT_CALL_STATIC_FUNCTION:              Sections.
* CRTSTUFF_T_CFLAGS:                     Target Fragment.
* CRTSTUFF_T_CFLAGS_S:                   Target Fragment.
* CSImode:                               Machine Modes.
* CTImode:                               Machine Modes.
* CUMULATIVE_ARGS:                       Register Arguments.
* current_function_epilogue_delay_list:  Function Entry.
* current_function_is_leaf:              Leaf Functions.
* current_function_outgoing_args_size:   Stack Arguments.
* current_function_pops_args:            Function Entry.
* current_function_pretend_args_size:    Function Entry.
* current_function_uses_only_leaf_regs:  Leaf Functions.
* current_insn_predicate:                Conditional Execution.
* cycle_display instruction pattern:     Standard Names.
* data flow analysis:                    Passes.
* data structures:                       Per-Function Data.
* DATA_ALIGNMENT:                        Storage Layout.
* data_section:                          Sections.
* DATA_SECTION_ASM_OP:                   Sections.
* DBR_OUTPUT_SEQEND:                     Instruction Output.
* dbr_sequence_length:                   Instruction Output.
* DBX_BLOCKS_FUNCTION_RELATIVE:          DBX Options.
* DBX_CONTIN_CHAR:                       DBX Options.
* DBX_CONTIN_LENGTH:                     DBX Options.
* DBX_DEBUGGING_INFO:                    DBX Options.
* DBX_FUNCTION_FIRST:                    DBX Options.
* DBX_LBRAC_FIRST:                       DBX Options.
* DBX_MEMPARM_STABS_LETTER:              DBX Options.
* DBX_NO_XREFS:                          DBX Options.
* DBX_OUTPUT_ENUM:                       DBX Hooks.
* DBX_OUTPUT_FUNCTION_END:               DBX Hooks.
* DBX_OUTPUT_LBRAC:                      DBX Hooks.
* DBX_OUTPUT_MAIN_SOURCE_DIRECTORY:      File Names and DBX.
* DBX_OUTPUT_MAIN_SOURCE_FILE_END:       File Names and DBX.
* DBX_OUTPUT_MAIN_SOURCE_FILENAME:       File Names and DBX.
* DBX_OUTPUT_NFUN:                       DBX Hooks.
* DBX_OUTPUT_RBRAC:                      DBX Hooks.
* DBX_OUTPUT_SOURCE_FILENAME:            File Names and DBX.
* DBX_OUTPUT_STANDARD_TYPES:             DBX Hooks.
* DBX_REGISTER_NUMBER:                   All Debuggers.
* DBX_REGPARM_STABS_CODE:                DBX Options.
* DBX_REGPARM_STABS_LETTER:              DBX Options.
* DBX_STATIC_CONST_VAR_CODE:             DBX Options.
* DBX_STATIC_STAB_DATA_SECTION:          DBX Options.
* DBX_TYPE_DECL_STABS_CODE:              DBX Options.
* DBX_USE_BINCL:                         DBX Options.
* DBX_WORKING_DIRECTORY:                 File Names and DBX.
* DCE, SSA based:                        Passes.
* DCmode:                                Machine Modes.
* De Morgan's law:                       Insn Canonicalizations.
* dead code:                             Passes.
* dead code elimination:                 Passes.
* dead_or_set_p:                         define_peephole.
* DEBUG_SYMS_TEXT:                       DBX Options.
* DEBUGGER_ARG_OFFSET:                   All Debuggers.
* DEBUGGER_AUTO_OFFSET:                  All Debuggers.
* debugging information generation:      Passes.
* DECL_ALIGN:                            Declarations.
* DECL_ANTICIPATED:                      Function Basics.
* DECL_ARGUMENTS:                        Function Basics.
* DECL_ARRAY_DELETE_OPERATOR_P:          Function Basics.
* DECL_ARTIFICIAL <1>:                   Function Basics.
* DECL_ARTIFICIAL:                       Declarations.
* DECL_ASSEMBLER_NAME:                   Function Basics.
* DECL_ATTRIBUTES:                       Attributes.
* DECL_BASE_CONSTRUCTOR_P:               Function Basics.
* DECL_CLASS_SCOPE_P:                    Declarations.
* DECL_COMPLETE_CONSTRUCTOR_P:           Function Basics.
* DECL_COMPLETE_DESTRUCTOR_P:            Function Basics.
* DECL_CONST_MEMFUNC_P:                  Function Basics.
* DECL_CONSTRUCTOR_P:                    Function Basics.
* DECL_CONTEXT:                          Namespaces.
* DECL_CONV_FN_P:                        Function Basics.
* DECL_COPY_CONSTRUCTOR_P:               Function Basics.
* DECL_DESTRUCTOR_P:                     Function Basics.
* DECL_EXTERN_C_FUNCTION_P:              Function Basics.
* DECL_EXTERNAL <1>:                     Declarations.
* DECL_EXTERNAL:                         Function Basics.
* DECL_FUNCTION_MEMBER_P:                Function Basics.
* DECL_FUNCTION_SCOPE_P:                 Declarations.
* DECL_GLOBAL_CTOR_P:                    Function Basics.
* DECL_GLOBAL_DTOR_P:                    Function Basics.
* DECL_INITIAL:                          Declarations.
* DECL_LINKONCE_P:                       Function Basics.
* DECL_LOCAL_FUNCTION_P:                 Function Basics.
* DECL_MAIN_P:                           Function Basics.
* DECL_NAME <1>:                         Function Basics.
* DECL_NAME <2>:                         Namespaces.
* DECL_NAME <3>:                         Declarations.
* DECL_NAME:                             Function Basics.
* DECL_NAMESPACE_ALIAS:                  Namespaces.
* DECL_NAMESPACE_SCOPE_P:                Declarations.
* DECL_NAMESPACE_STD_P:                  Namespaces.
* DECL_NON_THUNK_FUNCTION_P:             Function Basics.
* DECL_NONCONVERTING_P:                  Function Basics.
* DECL_NONSTATIC_MEMBER_FUNCTION_P:      Function Basics.
* DECL_OVERLOADED_OPERATOR_P:            Function Basics.
* DECL_RESULT:                           Function Basics.
* DECL_SIZE:                             Declarations.
* DECL_SOURCE_FILE:                      Declarations.
* DECL_SOURCE_LINE:                      Declarations.
* DECL_STATIC_FUNCTION_P:                Function Basics.
* DECL_STMT:                             Function Bodies.
* DECL_STMT_DECL:                        Function Bodies.
* DECL_THUNK_P:                          Function Basics.
* DECL_VOLATILE_MEMFUNC_P:               Function Basics.
* declaration:                           Declarations.
* declarations, RTL:                     RTL Declarations.
* decrement_and_branch_until_zero instruction pattern: Standard Names.
* DEFAULT_CALLER_SAVES:                  Caller Saves.
* DEFAULT_GDB_EXTENSIONS:                DBX Options.
* DEFAULT_MAIN_RETURN:                   Misc.
* DEFAULT_PCC_STRUCT_RETURN:             Aggregate Return.
* DEFAULT_RTX_COSTS:                     Costs.
* DEFAULT_SHORT_ENUMS:                   Type Layout.
* DEFAULT_SIGNED_CHAR:                   Type Layout.
* define_asm_attributes:                 Tagging Insns.
* define_attr:                           Defining Attributes.
* define_cond_exec:                      Conditional Execution.
* define_constants:                      Constant Definitions.
* define_delay:                          Delay Slots.
* define_expand:                         Expander Definitions.
* define_function_unit:                  Function Units.
* define_insn:                           Patterns.
* define_insn example:                   Example.
* define_insn_and_split:                 Insn Splitting.
* define_peephole:                       define_peephole.
* define_peephole2:                      define_peephole2.
* define_split:                          Insn Splitting.
* defining attributes and their values:  Defining Attributes.
* defining jump instruction patterns:    Jump Patterns.
* defining looping instruction patterns: Looping Patterns.
* defining peephole optimizers:          Peephole Definitions.
* defining RTL sequences for code generation: Expander Definitions.
* delay slots, defining:                 Delay Slots.
* DELAY_SLOTS_FOR_EPILOGUE:              Function Entry.
* delayed branch scheduling:             Passes.
* Dependent Patterns:                    Dependent Patterns.
* destructor:                            Function Basics.
* destructors, output of:                Initialization.
* DFmode:                                Machine Modes.
* digits in constraint:                  Simple Constraints.
* DImode:                                Machine Modes.
* DIR_SEPARATOR:                         Host Config.
* DIR_SEPARATOR_2:                       Host Config.
* directory options .md:                 Including Patterns.
* disabling certain registers:           Register Basics.
* dispatch table:                        Dispatch Tables.
* div:                                   Arithmetic.
* div and attributes:                    Expressions.
* DIVDI3_LIBCALL:                        Library Calls.
* division:                              Arithmetic.
* divM3 instruction pattern:             Standard Names.
* divmodM4 instruction pattern:          Standard Names.
* DIVSI3_LIBCALL:                        Library Calls.
* DO_BODY:                               Function Bodies.
* DO_COND:                               Function Bodies.
* DO_STMT:                               Function Bodies.
* DOLLARS_IN_IDENTIFIERS:                Misc.
* doloop_begin instruction pattern:      Standard Names.
* doloop_end instruction pattern:        Standard Names.
* DONE:                                  Expander Definitions.
* DONT_REDUCE_ADDR:                      Costs.
* DOUBLE_TYPE_SIZE:                      Type Layout.
* driver:                                Driver.
* DUMPFILE_FORMAT:                       Host Config.
* DWARF2_ASM_LINE_DEBUG_INFO:            SDB and DWARF.
* DWARF2_DEBUGGING_INFO:                 SDB and DWARF.
* DWARF2_FRAME_INFO:                     SDB and DWARF.
* DWARF2_GENERATE_TEXT_SECTION_LABEL:    SDB and DWARF.
* DWARF2_UNWIND_INFO:                    Exception Region Output.
* DWARF_CIE_DATA_ALIGNMENT:              Exception Region Output.
* DWARF_DEBUGGING_INFO:                  SDB and DWARF.
* DWARF_FRAME_REGISTERS:                 Frame Registers.
* DYNAMIC_CHAIN_ADDRESS:                 Frame Layout.
* E in constraint:                       Simple Constraints.
* earlyclobber operand:                  Modifiers.
* EDOM, implicit usage:                  Library Calls.
* EH_FRAME_IN_DATA_SECTION:              Exception Region Output.
* EH_FRAME_SECTION_NAME:                 Exception Region Output.
* eh_return instruction pattern:         Standard Names.
* EH_RETURN_DATA_REGNO:                  Exception Handling.
* EH_RETURN_HANDLER_RTX:                 Exception Handling.
* EH_RETURN_STACKADJ_RTX:                Exception Handling.
* EH_USES:                               Function Entry.
* ELIGIBLE_FOR_EPILOGUE_DELAY:           Function Entry.
* ELIMINABLE_REGS:                       Elimination.
* ELSE_CLAUSE:                           Function Bodies.
* EMIT_MODE_SET:                         Mode Switching.
* EMPTY_CLASS_EXPR:                      Function Bodies.
* EMPTY_FIELD_BOUNDARY:                  Storage Layout.
* ENCODE_SECTION_INFO:                   Sections.
* ENCODE_SECTION_INFO and address validation: Addressing Modes.
* ENCODE_SECTION_INFO usage:             Instruction Output.
* ENDFILE_SPEC:                          Driver.
* endianness:                            Portability.
* enum machine_mode:                     Machine Modes.
* enum reg_class:                        Register Classes.
* ENUMERAL_TYPE:                         Types.
* epilogue:                              Function Entry.
* epilogue instruction pattern:          Standard Names.
* EPILOGUE_USES:                         Function Entry.
* eq:                                    Comparisons.
* eq and attributes:                     Expressions.
* eq_attr:                               Expressions.
* EQ_EXPR:                               Expression trees.
* equal:                                 Comparisons.
* errno, implicit usage:                 Library Calls.
* escape sequences:                      Escape Sequences.
* exception handling:                    Exception Handling.
* exception_receiver instruction pattern: Standard Names.
* exclamation point:                     Multi-Alternative.
* exclusive-or, bitwise:                 Arithmetic.
* EXIT_BODY:                             Misc.
* EXIT_EXPR:                             Expression trees.
* EXIT_IGNORE_STACK:                     Function Entry.
* EXPAND_BUILTIN_SAVEREGS:               Varargs.
* expander definitions:                  Expander Definitions.
* expr_list:                             Insns.
* EXPR_STMT:                             Function Bodies.
* EXPR_STMT_EXPR:                        Function Bodies.
* expression:                            Expression trees.
* expression codes:                      RTL Objects.
* extendMN2 instruction pattern:         Standard Names.
* extensible constraints:                Simple Constraints.
* extern int target_flags:               Run-time Target.
* EXTRA_CC_MODES:                        Condition Code.
* EXTRA_CONSTRAINT:                      Register Classes.
* EXTRA_SECTION_FUNCTIONS:               Sections.
* EXTRA_SECTIONS:                        Sections.
* EXTRA_SPECS:                           Driver.
* extv instruction pattern:              Standard Names.
* extzv instruction pattern:             Standard Names.
* F in constraint:                       Simple Constraints.
* FAIL:                                  Expander Definitions.
* FATAL_EXIT_CODE:                       Host Config.
* FDL, GNU Free Documentation License:   GNU Free Documentation License.
* features, optional, in system conventions: Run-time Target.
* ffs:                                   Arithmetic.
* ffsM2 instruction pattern:             Standard Names.
* FIELD_DECL:                            Declarations.
* FILE_STMT:                             Function Bodies.
* FILE_STMT_FILENAME:                    Function Bodies.
* files and passes of the compiler:      Passes.
* final pass:                            Passes.
* FINAL_PRESCAN_INSN:                    Instruction Output.
* FINAL_PRESCAN_LABEL:                   Instruction Output.
* FINAL_REG_PARM_STACK_SPACE:            Stack Arguments.
* final_scan_insn:                       Function Entry.
* final_sequence:                        Instruction Output.
* FINALIZE_PIC:                          PIC.
* FIND_BASE_TERM:                        Addressing Modes.
* FINI_SECTION_ASM_OP:                   Sections.
* FIRST_INSN_ADDRESS:                    Insn Lengths.
* FIRST_PARM_OFFSET:                     Frame Layout.
* FIRST_PARM_OFFSET and virtual registers: Regs and Memory.
* FIRST_PSEUDO_REGISTER:                 Register Basics.
* FIRST_STACK_REG:                       Stack Registers.
* FIRST_VIRTUAL_REGISTER:                Regs and Memory.
* fix:                                   Conversions.
* FIX_TRUNC_EXPR:                        Expression trees.
* fix_truncMN2 instruction pattern:      Standard Names.
* fixed register:                        Register Basics.
* FIXED_REGISTERS:                       Register Basics.
* fixed_regs:                            Register Basics.
* fixMN2 instruction pattern:            Standard Names.
* FIXUNS_TRUNC_LIKE_FIX_TRUNC:           Misc.
* fixuns_truncMN2 instruction pattern:   Standard Names.
* fixunsMN2 instruction pattern:         Standard Names.
* flags in RTL expression:               Flags.
* float:                                 Conversions.
* FLOAT_EXPR:                            Expression trees.
* float_extend:                          Conversions.
* FLOAT_LIB_COMPARE_RETURNS_BOOL (MODE, COMPARISON): Library Calls.
* FLOAT_STORE_FLAG_VALUE:                Misc.
* float_truncate:                        Conversions.
* FLOAT_TYPE_SIZE:                       Type Layout.
* FLOAT_WORDS_BIG_ENDIAN:                Storage Layout.
* FLOAT_WORDS_BIG_ENDIAN, (lack of) effect on subreg: Regs and Memory.
* floating point and cross compilation:  Cross-compilation.
* Floating Point Emulation:              Target Fragment.
* floatMN2 instruction pattern:          Standard Names.
* floatunsMN2 instruction pattern:       Standard Names.
* FOR_BODY:                              Function Bodies.
* FOR_COND:                              Function Bodies.
* FOR_EXPR:                              Function Bodies.
* FOR_INIT_STMT:                         Function Bodies.
* FOR_STMT:                              Function Bodies.
* FORCE_CODE_SECTION_ALIGN:              Sections.
* FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN: Storage Layout.
* force_reg:                             Standard Names.
* frame layout:                          Frame Layout.
* FRAME_GROWS_DOWNWARD:                  Frame Layout.
* FRAME_GROWS_DOWNWARD and virtual registers: Regs and Memory.
* frame_pointer_needed:                  Function Entry.
* FRAME_POINTER_REGNUM:                  Frame Registers.
* FRAME_POINTER_REGNUM and virtual registers: Regs and Memory.
* FRAME_POINTER_REQUIRED:                Elimination.
* frame_pointer_rtx:                     Frame Registers.
* frame_related:                         Flags.
* frame_related, in insn:                Flags.
* frame_related, in mem:                 Flags.
* frame_related, in reg:                 Flags.
* frame_related, in symbol_ref:          Flags.
* free_machine_status:                   Per-Function Data.
* ftruncM2 instruction pattern:          Standard Names.
* function:                              Functions.
* function body:                         Function Bodies.
* function call conventions:             Interface.
* function entry and exit:               Function Entry.
* function units, for scheduling:        Function Units.
* function-call insns:                   Calls.
* FUNCTION_ARG:                          Register Arguments.
* FUNCTION_ARG_ADVANCE:                  Register Arguments.
* FUNCTION_ARG_BOUNDARY:                 Register Arguments.
* FUNCTION_ARG_CALLEE_COPIES:            Register Arguments.
* FUNCTION_ARG_PADDING:                  Register Arguments.
* FUNCTION_ARG_PARTIAL_NREGS:            Register Arguments.
* FUNCTION_ARG_PASS_BY_REFERENCE:        Register Arguments.
* FUNCTION_ARG_REG_LITTLE_ENDIAN:        Register Arguments.
* FUNCTION_ARG_REGNO_P:                  Register Arguments.
* FUNCTION_BOUNDARY:                     Storage Layout.
* FUNCTION_DECL:                         Functions.
* FUNCTION_INCOMING_ARG:                 Register Arguments.
* FUNCTION_MODE:                         Misc.
* FUNCTION_OK_FOR_SIBCALL:               Tail Calls.
* FUNCTION_OUTGOING_VALUE:               Scalar Return.
* FUNCTION_PROFILER:                     Profiling.
* FUNCTION_TYPE:                         Types.
* FUNCTION_VALUE:                        Scalar Return.
* FUNCTION_VALUE_REGNO_P:                Scalar Return.
* functions, leaf:                       Leaf Functions.
* fundamental type:                      Types.
* g in constraint:                       Simple Constraints.
* G in constraint:                       Simple Constraints.
* GCC and portability:                   Portability.
* GCC_DRIVER_HOST_INITIALIZATION:        Host Config.
* GCOV_TYPE_SIZE:                        Type Layout.
* ge:                                    Comparisons.
* ge and attributes:                     Expressions.
* GE_EXPR:                               Expression trees.
* GEN_ERRNO_RTX:                         Library Calls.
* gencodes:                              Passes.
* genconfig:                             Passes.
* general_operand:                       RTL Template.
* GENERAL_REGS:                          Register Classes.
* generating assembler output:           Output Statement.
* generating insns:                      RTL Template.
* genflags:                              Passes.
* get_attr:                              Expressions.
* get_attr_length:                       Insn Lengths.
* GET_CLASS_NARROWEST_MODE:              Machine Modes.
* GET_CODE:                              RTL Objects.
* get_frame_size:                        Elimination.
* get_insns:                             Insns.
* get_last_insn:                         Insns.
* GET_MODE:                              Machine Modes.
* GET_MODE_ALIGNMENT:                    Machine Modes.
* GET_MODE_BITSIZE:                      Machine Modes.
* GET_MODE_CLASS:                        Machine Modes.
* GET_MODE_MASK:                         Machine Modes.
* GET_MODE_NAME:                         Machine Modes.
* GET_MODE_NUNITS:                       Machine Modes.
* GET_MODE_SIZE:                         Machine Modes.
* GET_MODE_UNIT_SIZE:                    Machine Modes.
* GET_MODE_WIDER_MODE:                   Machine Modes.
* GET_RTX_CLASS:                         RTL Classes.
* GET_RTX_FORMAT:                        RTL Classes.
* GET_RTX_LENGTH:                        RTL Classes.
* geu:                                   Comparisons.
* geu and attributes:                    Expressions.
* global common subexpression elimination: Passes.
* global register allocation:            Passes.
* GLOBAL_INIT_PRIORITY:                  Function Basics.
* GO_IF_LEGITIMATE_ADDRESS:              Addressing Modes.
* GO_IF_MODE_DEPENDENT_ADDRESS:          Addressing Modes.
* GOTO_DESTINATION:                      Function Bodies.
* GOTO_FAKE_P:                           Function Bodies.
* GOTO_STMT:                             Function Bodies.
* greater than:                          Comparisons.
* gt:                                    Comparisons.
* gt and attributes:                     Expressions.
* GT_EXPR:                               Expression trees.
* gtu:                                   Comparisons.
* gtu and attributes:                    Expressions.
* H in constraint:                       Simple Constraints.
* HANDLE_PRAGMA:                         Misc.
* HANDLE_PRAGMA_PACK_PUSH_POP:           Misc.
* HANDLE_SYSV_PRAGMA:                    Misc.
* HANDLER:                               Function Bodies.
* HANDLER_BODY:                          Function Bodies.
* HANDLER_PARMS:                         Function Bodies.
* hard registers:                        Regs and Memory.
* HARD_FRAME_POINTER_REGNUM:             Frame Registers.
* HARD_REGNO_CALL_PART_CLOBBERED:        Register Basics.
* HARD_REGNO_CALLER_SAVE_MODE:           Caller Saves.
* HARD_REGNO_MODE_OK:                    Values in Registers.
* HARD_REGNO_NREGS:                      Values in Registers.
* HAS_INIT_SECTION:                      Macros for Initialization.
* HAVE_DOS_BASED_FILE_SYSTEM:            Host Config.
* HAVE_POST_DECREMENT:                   Addressing Modes.
* HAVE_POST_INCREMENT:                   Addressing Modes.
* HAVE_POST_MODIFY_DISP:                 Addressing Modes.
* HAVE_POST_MODIFY_REG:                  Addressing Modes.
* HAVE_PRE_DECREMENT:                    Addressing Modes.
* HAVE_PRE_INCREMENT:                    Addressing Modes.
* HAVE_PRE_MODIFY_DISP:                  Addressing Modes.
* HAVE_PRE_MODIFY_REG:                   Addressing Modes.
* HCmode:                                Machine Modes.
* HFmode:                                Machine Modes.
* high:                                  Constants.
* HImode:                                Machine Modes.
* HImode, in insn:                       Insns.
* host makefile fragment:                Host Fragment.
* HOST_BIT_BUCKET:                       Host Config.
* HOST_EXECUTABLE_SUFFIX:                Host Config.
* HOST_OBJECT_SUFFIX:                    Host Config.
* I in constraint:                       Simple Constraints.
* i in constraint:                       Simple Constraints.
* IBM_FLOAT_FORMAT:                      Storage Layout.
* identifier:                            Identifiers.
* IDENTIFIER_LENGTH:                     Identifiers.
* IDENTIFIER_NODE:                       Identifiers.
* IDENTIFIER_OPNAME_P:                   Identifiers.
* IDENTIFIER_POINTER:                    Identifiers.
* IDENTIFIER_TYPENAME_P:                 Identifiers.
* IEEE_FLOAT_FORMAT:                     Storage Layout.
* if conversion:                         Passes.
* IF_COND:                               Function Bodies.
* IF_STMT:                               Function Bodies.
* if_then_else:                          Comparisons.
* if_then_else and attributes:           Expressions.
* if_then_else usage:                    Side Effects.
* IFCVT_MODIFY_CANCEL:                   Misc.
* IFCVT_MODIFY_FINAL:                    Misc.
* IFCVT_MODIFY_INSN:                     Misc.
* IFCVT_MODIFY_TESTS:                    Misc.
* IMAGPART_EXPR:                         Expression trees.
* immediate_operand:                     RTL Template.
* IMMEDIATE_PREFIX:                      Instruction Output.
* in_data:                               Sections.
* in_struct:                             Flags.
* in_struct, in code_label:              Flags.
* in_struct, in insn:                    Flags.
* in_struct, in label_ref:               Flags.
* in_struct, in mem:                     Flags.
* in_struct, in reg:                     Flags.
* in_struct, in subreg:                  Flags.
* in_text:                               Sections.
* include:                               Including Patterns.
* INCLUDE_DEFAULTS:                      Driver.
* inclusive-or, bitwise:                 Arithmetic.
* INCOMING_FRAME_SP_OFFSET:              Frame Layout.
* INCOMING_REGNO:                        Register Basics.
* INCOMING_RETURN_ADDR_RTX:              Frame Layout.
* INDEX_REG_CLASS:                       Register Classes.
* indirect_jump instruction pattern:     Standard Names.
* INDIRECT_REF:                          Expression trees.
* INIT_CUMULATIVE_ARGS:                  Register Arguments.
* INIT_CUMULATIVE_INCOMING_ARGS:         Register Arguments.
* INIT_CUMULATIVE_LIBCALL_ARGS:          Register Arguments.
* INIT_ENVIRONMENT:                      Driver.
* INIT_EXPANDERS:                        Per-Function Data.
* INIT_EXPR:                             Expression trees.
* init_machine_status:                   Per-Function Data.
* INIT_SECTION_ASM_OP <1>:               Macros for Initialization.
* INIT_SECTION_ASM_OP:                   Sections.
* INIT_TARGET_OPTABS:                    Library Calls.
* INITIAL_ELIMINATION_OFFSET:            Elimination.
* INITIAL_FRAME_POINTER_OFFSET:          Elimination.
* initialization routines:               Initialization.
* INITIALIZE_TRAMPOLINE:                 Trampolines.
* inline on rtx, automatic:              Passes.
* inline on trees, automatic:            Passes.
* inlining:                              Target Attributes.
* insn:                                  Insns.
* insn and /f:                           Flags.
* insn and /i:                           Flags.
* insn and /j:                           Flags.
* insn and /s:                           Flags.
* insn and /u:                           Flags.
* insn and /v:                           Flags.
* insn attributes:                       Insn Attributes.
* insn canonicalization:                 Insn Canonicalizations.
* insn includes:                         Including Patterns.
* insn lengths, computing:               Insn Lengths.
* insn splitting:                        Insn Splitting.
* insn-attr.h:                           Defining Attributes.
* INSN_ANNULLED_BRANCH_P:                Flags.
* INSN_CACHE_DEPTH:                      Trampolines.
* INSN_CACHE_LINE_WIDTH:                 Trampolines.
* INSN_CACHE_SIZE:                       Trampolines.
* INSN_CODE:                             Insns.
* INSN_DEAD_CODE_P:                      Flags.
* INSN_DELETED_P:                        Flags.
* INSN_FROM_TARGET_P:                    Flags.
* insn_list:                             Insns.
* insn_list and /c:                      Flags.
* insn_list and /j:                      Flags.
* INSN_REFERENCES_ARE_DELAYED:           Misc.
* INSN_SETS_ARE_DELAYED:                 Misc.
* INSN_UID:                              Insns.
* insns:                                 Insns.
* insns, generating:                     RTL Template.
* insns, recognizing:                    RTL Template.
* instruction attributes:                Insn Attributes.
* instruction combination:               Passes.
* instruction patterns:                  Patterns.
* instruction recognizer:                Passes.
* instruction scheduling:                Passes.
* instruction splitting:                 Insn Splitting.
* insv instruction pattern:              Standard Names.
* INT_TYPE_SIZE:                         Type Layout.
* INTEGER_CST:                           Expression trees.
* INTEGER_TYPE:                          Types.
* INTEGRATE_THRESHOLD:                   Misc.
* integrated:                            Flags.
* integrated, in insn:                   Flags.
* integrated, in reg:                    Flags.
* integrated, in symbol_ref:             Flags.
* INTEL_EXTENDED_IEEE_FORMAT:            Type Layout.
* Interdependence of Patterns:           Dependent Patterns.
* interfacing to GCC output:             Interface.
* INTMAX_TYPE:                           Type Layout.
* introduction:                          Top.
* INVOKE__main:                          Macros for Initialization.
* ior:                                   Arithmetic.
* ior and attributes:                    Expressions.
* ior, canonicalization of:              Insn Canonicalizations.
* iorM3 instruction pattern:             Standard Names.
* IS_ASM_LOGICAL_LINE_SEPARATOR:         Data Output.
* isinf:                                 Cross-compilation.
* isnan:                                 Cross-compilation.
* jump:                                  Flags.
* jump instruction pattern:              Standard Names.
* jump instruction patterns:             Jump Patterns.
* jump instructions and set:             Side Effects.
* jump optimization:                     Passes.
* jump threading:                        Passes.
* jump, in call_insn:                    Flags.
* jump, in insn:                         Flags.
* jump, in insn_list:                    Flags.
* jump, in mem:                          Flags.
* JUMP_ALIGN:                            Alignment Output.
* jump_insn:                             Insns.
* JUMP_LABEL:                            Insns.
* JUMP_TABLES_IN_TEXT_SECTION:           Sections.
* LABEL_ALIGN:                           Alignment Output.
* LABEL_ALIGN_AFTER_BARRIER:             Alignment Output.
* LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP:    Alignment Output.
* LABEL_ALIGN_MAX_SKIP:                  Alignment Output.
* LABEL_ALTERNATE_NAME:                  Insns.
* LABEL_DECL:                            Declarations.
* LABEL_NUSES:                           Insns.
* LABEL_OUTSIDE_LOOP_P:                  Flags.
* LABEL_PRESERVE_P:                      Flags.
* label_ref:                             Constants.
* label_ref and /s:                      Flags.
* label_ref and /v:                      Flags.
* label_ref, RTL sharing:                Sharing.
* LABEL_REF_NONLOCAL_P:                  Flags.
* LABEL_STMT:                            Function Bodies.
* LABEL_STMT_LABEL:                      Function Bodies.
* large return values:                   Aggregate Return.
* LAST_STACK_REG:                        Stack Registers.
* LAST_VIRTUAL_REGISTER:                 Regs and Memory.
* LD_FINI_SWITCH:                        Macros for Initialization.
* LD_INIT_SWITCH:                        Macros for Initialization.
* LDD_SUFFIX:                            Macros for Initialization.
* ldexp:                                 Cross-compilation.
* le:                                    Comparisons.
* le and attributes:                     Expressions.
* LE_EXPR:                               Expression trees.
* leaf functions:                        Leaf Functions.
* leaf_function_p:                       Standard Names.
* LEAF_REG_REMAP:                        Leaf Functions.
* LEAF_REGISTERS:                        Leaf Functions.
* left rotate:                           Arithmetic.
* left shift:                            Arithmetic.
* LEGITIMATE_CONSTANT_P:                 Addressing Modes.
* LEGITIMATE_PIC_OPERAND_P:              PIC.
* LEGITIMIZE_ADDRESS:                    Addressing Modes.
* LEGITIMIZE_RELOAD_ADDRESS:             Addressing Modes.
* less than:                             Comparisons.
* less than or equal:                    Comparisons.
* leu:                                   Comparisons.
* leu and attributes:                    Expressions.
* LIB2FUNCS_EXTRA:                       Target Fragment.
* LIB_SPEC:                              Driver.
* LIBCALL_VALUE:                         Scalar Return.
* libgcc.a:                              Library Calls.
* LIBGCC2_CFLAGS:                        Target Fragment.
* LIBGCC2_WORDS_BIG_ENDIAN:              Storage Layout.
* LIBGCC_NEEDS_DOUBLE:                   Library Calls.
* LIBGCC_SPEC:                           Driver.
* library subroutine names:              Library Calls.
* LIBRARY_PATH_ENV:                      Misc.
* LIMIT_RELOAD_CLASS:                    Register Classes.
* LINK_COMMAND_SPEC:                     Driver.
* LINK_COST_FREE:                        Flags.
* LINK_COST_ZERO:                        Flags.
* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES: Driver.
* LINK_GCC_C_SEQUENCE_SPEC:              Driver.
* LINK_LIBGCC_SPECIAL:                   Driver.
* LINK_LIBGCC_SPECIAL_1:                 Driver.
* LINK_SPEC:                             Driver.
* linkage:                               Function Basics.
* LINKER_DOES_NOT_WORK_WITH_DWARF2:      SDB and DWARF.
* list:                                  Containers.
* lo_sum:                                Arithmetic.
* load address instruction:              Simple Constraints.
* LOAD_ARGS_REVERSED:                    Register Arguments.
* LOAD_EXTEND_OP:                        Misc.
* load_multiple instruction pattern:     Standard Names.
* local register allocation:             Passes.
* LOCAL_ALIGNMENT:                       Storage Layout.
* LOCAL_CLASS_P:                         Classes.
* LOCAL_INCLUDE_DIR:                     Driver.
* LOCAL_LABEL_PREFIX:                    Instruction Output.
* LOCAL_REGNO:                           Register Basics.
* LOG_LINKS:                             Insns.
* logical-and, bitwise:                  Arithmetic.
* LONG_DOUBLE_TYPE_SIZE:                 Type Layout.
* LONG_LONG_TYPE_SIZE:                   Type Layout.
* LONG_TYPE_SIZE:                        Type Layout.
* longjmp and automatic variables:       Interface.
* loop optimization:                     Passes.
* LOOP_ALIGN:                            Alignment Output.
* LOOP_ALIGN_MAX_SKIP:                   Alignment Output.
* LOOP_EXPR:                             Expression trees.
* looping instruction patterns:          Looping Patterns.
* LSHIFT_EXPR:                           Expression trees.
* lshiftrt:                              Arithmetic.
* lshiftrt and attributes:               Expressions.
* lshrM3 instruction pattern:            Standard Names.
* lt:                                    Comparisons.
* lt and attributes:                     Expressions.
* LT_EXPR:                               Expression trees.
* ltu:                                   Comparisons.
* m in constraint:                       Simple Constraints.
* machine attributes:                    Target Attributes.
* machine description macros:            Target Macros.
* machine descriptions:                  Machine Desc.
* machine mode conversions:              Conversions.
* machine modes:                         Machine Modes.
* machine specific constraints:          Machine Constraints.
* MACHINE_DEPENDENT_REORG:               Misc.
* macros, target description:            Target Macros.
* MAKE_DECL_ONE_ONLY (DECL):             Label Output.
* make_safe_from:                        Expander Definitions.
* makefile fragment:                     Fragments.
* makefile targets:                      Makefile.
* mark_machine_status:                   Per-Function Data.
* MASK_RETURN_ADDR:                      Exception Region Output.
* match_dup <1>:                         RTL Template.
* match_dup:                             define_peephole2.
* match_dup and attributes:              Insn Lengths.
* match_insn:                            RTL Template.
* match_insn2:                           RTL Template.
* match_op_dup:                          RTL Template.
* match_operand:                         RTL Template.
* match_operand and attributes:          Expressions.
* match_operator:                        RTL Template.
* match_par_dup:                         RTL Template.
* match_parallel:                        RTL Template.
* match_scratch <1>:                     RTL Template.
* match_scratch:                         define_peephole2.
* matching constraint:                   Simple Constraints.
* matching operands:                     Output Template.
* math libraries:                        Interface.
* math, in RTL:                          Arithmetic.
* MATH_LIBRARY:                          Misc.
* MAX_BITS_PER_WORD:                     Storage Layout.
* MAX_CHAR_TYPE_SIZE:                    Type Layout.
* MAX_CONDITIONAL_EXECUTE:               Misc.
* MAX_FIXED_MODE_SIZE:                   Storage Layout.
* MAX_INTEGER_COMPUTATION_MODE:          Misc.
* MAX_LONG_DOUBLE_TYPE_SIZE:             Type Layout.
* MAX_LONG_TYPE_SIZE:                    Type Layout.
* MAX_MOVE_MAX:                          Misc.
* MAX_OFILE_ALIGNMENT:                   Storage Layout.
* MAX_REGS_PER_ADDRESS:                  Addressing Modes.
* MAX_WCHAR_TYPE_SIZE:                   Type Layout.
* maxM3 instruction pattern:             Standard Names.
* MAYBE_REG_PARM_STACK_SPACE:            Stack Arguments.
* mcount:                                Profiling.
* MD_ASM_CLOBBERS:                       Misc.
* MD_CAN_REDIRECT_BRANCH:                Misc.
* MD_EXEC_PREFIX:                        Driver.
* MD_FALLBACK_FRAME_STATE_FOR:           Exception Handling.
* MD_STARTFILE_PREFIX:                   Driver.
* MD_STARTFILE_PREFIX_1:                 Driver.
* mem:                                   Regs and Memory.
* mem and /f:                            Flags.
* mem and /j:                            Flags.
* mem and /s:                            Flags.
* mem and /u:                            Flags.
* mem and /v:                            Flags.
* mem, RTL sharing:                      Sharing.
* MEM_IN_STRUCT_P:                       Flags.
* MEM_KEEP_ALIAS_SET_P:                  Flags.
* MEM_SCALAR_P:                          Flags.
* MEM_VOLATILE_P:                        Flags.
* MEMBER_TYPE_FORCES_BLK:                Storage Layout.
* memcpy, implicit usage:                Library Calls.
* memmove, implicit usage:               Library Calls.
* memory reference, nonoffsettable:      Simple Constraints.
* memory references in constraints:      Simple Constraints.
* MEMORY_MOVE_COST:                      Costs.
* memset, implicit usage:                Library Calls.
* METHOD_TYPE:                           Types.
* MIN_UNITS_PER_WORD:                    Storage Layout.
* MINIMUM_ATOMIC_ALIGNMENT:              Storage Layout.
* minM3 instruction pattern:             Standard Names.
* minus:                                 Arithmetic.
* minus and attributes:                  Expressions.
* minus, canonicalization of:            Insn Canonicalizations.
* MINUS_EXPR:                            Expression trees.
* mod:                                   Arithmetic.
* mod and attributes:                    Expressions.
* MODDI3_LIBCALL:                        Library Calls.
* mode classes:                          Machine Modes.
* mode switching:                        Mode Switching.
* MODE_BASE_REG_CLASS:                   Register Classes.
* MODE_CC:                               Machine Modes.
* MODE_COMPLEX_FLOAT:                    Machine Modes.
* MODE_COMPLEX_INT:                      Machine Modes.
* MODE_FLOAT:                            Machine Modes.
* MODE_FUNCTION:                         Machine Modes.
* MODE_INT:                              Machine Modes.
* MODE_NEEDED:                           Mode Switching.
* MODE_PARTIAL_INT:                      Machine Modes.
* MODE_PRIORITY_TO_MODE:                 Mode Switching.
* MODE_RANDOM:                           Machine Modes.
* MODES_TIEABLE_P:                       Values in Registers.
* modifiers in constraints:              Modifiers.
* MODIFY_EXPR:                           Expression trees.
* MODIFY_TARGET_NAME:                    Driver.
* modM3 instruction pattern:             Standard Names.
* MODSI3_LIBCALL:                        Library Calls.
* MOVE_BY_PIECES_P:                      Costs.
* MOVE_MAX:                              Misc.
* MOVE_MAX_PIECES:                       Costs.
* MOVE_RATIO:                            Costs.
* movM instruction pattern:              Standard Names.
* movMODEcc instruction pattern:         Standard Names.
* movstrictM instruction pattern:        Standard Names.
* movstrM instruction pattern:           Standard Names.
* MULDI3_LIBCALL:                        Library Calls.
* mulhisi3 instruction pattern:          Standard Names.
* mulM3 instruction pattern:             Standard Names.
* mulqihi3 instruction pattern:          Standard Names.
* MULSI3_LIBCALL:                        Library Calls.
* mulsidi3 instruction pattern:          Standard Names.
* mult:                                  Arithmetic.
* mult and attributes:                   Expressions.
* mult, canonicalization of:             Insn Canonicalizations.
* MULT_EXPR:                             Expression trees.
* MULTILIB_DEFAULTS:                     Driver.
* MULTILIB_DIRNAMES:                     Target Fragment.
* MULTILIB_EXCEPTIONS:                   Target Fragment.
* MULTILIB_EXTRA_OPTS:                   Target Fragment.
* MULTILIB_MATCHES:                      Target Fragment.
* MULTILIB_OPTIONS:                      Target Fragment.
* multiple alternative constraints:      Multi-Alternative.
* MULTIPLE_SYMBOL_SPACES:                Misc.
* multiplication:                        Arithmetic.
* MUST_PASS_IN_STACK:                    Register Arguments.
* MUST_PASS_IN_STACK, and FUNCTION_ARG:  Register Arguments.
* n in constraint:                       Simple Constraints.
* N_REG_CLASSES:                         Register Classes.
* name:                                  Identifiers.
* named patterns and conditions:         Patterns.
* names, pattern:                        Standard Names.
* namespace:                             Namespaces.
* namespace, class, scope:               Scopes.
* NAMESPACE_DECL <1>:                    Namespaces.
* NAMESPACE_DECL:                        Declarations.
* ne:                                    Comparisons.
* ne and attributes:                     Expressions.
* NE_EXPR:                               Expression trees.
* NEED_ATEXIT:                           Misc.
* neg:                                   Arithmetic.
* neg and attributes:                    Expressions.
* neg, canonicalization of:              Insn Canonicalizations.
* NEGATE_EXPR:                           Expression trees.
* negM2 instruction pattern:             Standard Names.
* nested functions, trampolines for:     Trampolines.
* next_cc0_user:                         Jump Patterns.
* NEXT_INSN:                             Insns.
* NEXT_OBJC_RUNTIME:                     Library Calls.
* nil:                                   RTL Objects.
* NO_BUILTIN_PTRDIFF_TYPE:               Driver.
* NO_BUILTIN_SIZE_TYPE:                  Driver.
* NO_BUILTIN_WCHAR_TYPE:                 Driver.
* NO_BUILTIN_WINT_TYPE:                  Driver.
* NO_DBX_FUNCTION_END:                   DBX Hooks.
* NO_DOLLAR_IN_LABEL:                    Misc.
* NO_DOT_IN_LABEL:                       Misc.
* NO_FUNCTION_CSE:                       Costs.
* NO_IMPLICIT_EXTERN_C:                  Misc.
* no_new_pseudos:                        Standard Names.
* NO_PROFILE_COUNTERS:                   Profiling.
* NO_RECURSIVE_FUNCTION_CSE:             Costs.
* NO_REGS:                               Register Classes.
* NON_SAVING_SETJMP:                     Register Basics.
* nonlocal_goto instruction pattern:     Standard Names.
* nonlocal_goto_receiver instruction pattern: Standard Names.
* nonoffsettable memory reference:       Simple Constraints.
* nop instruction pattern:               Standard Names.
* NOP_EXPR:                              Expression trees.
* NORMAL_MODE:                           Mode Switching.
* not:                                   Arithmetic.
* not and attributes:                    Expressions.
* not equal:                             Comparisons.
* not, canonicalization of:              Insn Canonicalizations.
* note:                                  Insns.
* NOTE_INSN_BLOCK_BEG:                   Insns.
* NOTE_INSN_BLOCK_END:                   Insns.
* NOTE_INSN_DELETED:                     Insns.
* NOTE_INSN_DELETED_LABEL:               Insns.
* NOTE_INSN_EH_REGION_BEG:               Insns.
* NOTE_INSN_EH_REGION_END:               Insns.
* NOTE_INSN_FUNCTION_END:                Insns.
* NOTE_INSN_LOOP_BEG:                    Insns.
* NOTE_INSN_LOOP_CONT:                   Insns.
* NOTE_INSN_LOOP_END:                    Insns.
* NOTE_INSN_LOOP_VTOP:                   Insns.
* NOTE_INSN_SETJMP:                      Insns.
* NOTE_LINE_NUMBER:                      Insns.
* NOTE_SOURCE_FILE:                      Insns.
* NOTICE_UPDATE_CC:                      Condition Code.
* NUM_MACHINE_MODES:                     Machine Modes.
* NUM_MODES_FOR_MODE_SWITCHING:          Mode Switching.
* o in constraint:                       Simple Constraints.
* OBJC_GEN_METHOD_LABEL:                 Label Output.
* OBJC_PROLOGUE:                         File Framework.
* OBJECT_FORMAT_COFF:                    Macros for Initialization.
* OBJECT_FORMAT_ROSE:                    Macros for Initialization.
* OFFSET_TYPE:                           Types.
* offsettable address:                   Simple Constraints.
* OImode:                                Machine Modes.
* ON_EXIT:                               Misc.
* one_cmplM2 instruction pattern:        Standard Names.
* operand access:                        Accessors.
* operand constraints:                   Constraints.
* operand substitution:                  Output Template.
* operands:                              Patterns.
* OPTIMIZATION_OPTIONS:                  Run-time Target.
* OPTIMIZE_MODE_SWITCHING:               Mode Switching.
* optional hardware or system features:  Run-time Target.
* options, directory search:             Including Patterns.
* order of register allocation:          Allocation Order.
* ORDER_REGS_FOR_LOCAL_ALLOC:            Allocation Order.
* Ordering of Patterns:                  Pattern Ordering.
* other register constraints:            Simple Constraints.
* OUTGOING_REG_PARM_STACK_SPACE:         Stack Arguments.
* OUTGOING_REGNO:                        Register Basics.
* output of assembler code:              File Framework.
* output statements:                     Output Statement.
* output templates:                      Output Template.
* OUTPUT_ADDR_CONST_EXTRA:               Data Output.
* output_asm_insn:                       Output Statement.
* OUTPUT_QUOTED_STRING:                  File Framework.
* overflow while constant folding:       Cross-compilation.
* OVERLOAD:                              Functions.
* OVERRIDE_OPTIONS:                      Run-time Target.
* OVL_CURRENT:                           Functions.
* OVL_NEXT:                              Functions.
* p in constraint:                       Simple Constraints.
* PAD_VARARGS_DOWN:                      Register Arguments.
* parallel:                              Side Effects.
* parameters, miscellaneous:             Misc.
* PARM_BOUNDARY:                         Storage Layout.
* PARM_DECL:                             Declarations.
* PARSE_LDD_OUTPUT:                      Macros for Initialization.
* parsing pass:                          Passes.
* passes and files of the compiler:      Passes.
* passing arguments:                     Interface.
* PATH_SEPARATOR:                        Host Config.
* PATTERN:                               Insns.
* pattern conditions:                    Patterns.
* pattern names:                         Standard Names.
* Pattern Ordering:                      Pattern Ordering.
* patterns:                              Patterns.
* pc:                                    Regs and Memory.
* pc and attributes:                     Insn Lengths.
* pc, RTL sharing:                       Sharing.
* pc_rtx:                                Regs and Memory.
* PCC_BITFIELD_TYPE_MATTERS:             Storage Layout.
* PCC_STATIC_STRUCT_RETURN:              Aggregate Return.
* PDImode:                               Machine Modes.
* peephole optimization:                 Passes.
* peephole optimization, RTL representation: Side Effects.
* peephole optimizer definitions:        Peephole Definitions.
* per-function data:                     Per-Function Data.
* percent sign:                          Output Template.
* PIC:                                   PIC.
* PIC_OFFSET_TABLE_REG_CALL_CLOBBERED:   PIC.
* PIC_OFFSET_TABLE_REGNUM:               PIC.
* plus:                                  Arithmetic.
* plus and attributes:                   Expressions.
* plus, canonicalization of:             Insn Canonicalizations.
* PLUS_EXPR:                             Expression trees.
* Pmode:                                 Misc.
* pointer:                               Types.
* POINTER_SIZE:                          Storage Layout.
* POINTER_TYPE:                          Types.
* POINTERS_EXTEND_UNSIGNED:              Storage Layout.
* portability:                           Portability.
* position independent code:             PIC.
* post_dec:                              Incdec.
* post_inc:                              Incdec.
* post_modify:                           Incdec.
* pragma:                                Misc.
* pre_dec:                               Incdec.
* PRE_GCC3_DWARF_FRAME_REGISTERS:        Frame Registers.
* pre_inc:                               Incdec.
* predefined macros:                     Run-time Target.
* PREDICATE_CODES:                       Misc.
* predication:                           Conditional Execution.
* PREFERRED_DEBUGGING_TYPE:              All Debuggers.
* PREFERRED_OUTPUT_RELOAD_CLASS:         Register Classes.
* PREFERRED_RELOAD_CLASS:                Register Classes.
* PREFERRED_STACK_BOUNDARY:              Storage Layout.
* prefetch:                              Side Effects.
* prefetch instruction pattern:          Standard Names.
* PRETEND_OUTGOING_VARARGS_NAMED:        Varargs.
* prev_active_insn:                      define_peephole.
* prev_cc0_setter:                       Jump Patterns.
* PREV_INSN:                             Insns.
* PRINT_OPERAND:                         Instruction Output.
* PRINT_OPERAND_ADDRESS:                 Instruction Output.
* PRINT_OPERAND_PUNCT_VALID_P:           Instruction Output.
* probe instruction pattern:             Standard Names.
* product:                               Arithmetic.
* PROFILE_BEFORE_PROLOGUE:               Profiling.
* PROFILE_HOOK:                          Profiling.
* profiling, code generation:            Profiling.
* program counter:                       Regs and Memory.
* prologue:                              Function Entry.
* prologue instruction pattern:          Standard Names.
* PROMOTE_FOR_CALL_ONLY:                 Storage Layout.
* PROMOTE_FUNCTION_ARGS:                 Storage Layout.
* PROMOTE_FUNCTION_RETURN:               Storage Layout.
* PROMOTE_MODE:                          Storage Layout.
* PROMOTE_PROTOTYPES:                    Stack Arguments.
* pseudo registers:                      Regs and Memory.
* PSImode:                               Machine Modes.
* PTRDIFF_TYPE:                          Type Layout.
* PTRMEM_CST:                            Expression trees.
* PTRMEM_CST_CLASS:                      Expression trees.
* PTRMEM_CST_MEMBER:                     Expression trees.
* push address instruction:              Simple Constraints.
* PUSH_ARGS:                             Stack Arguments.
* push_reload:                           Addressing Modes.
* PUSH_ROUNDING:                         Stack Arguments.
* PUSH_ROUNDING, interaction with PREFERRED_STACK_BOUNDARY: Storage Layout.
* pushM instruction pattern:             Standard Names.
* PUT_CODE:                              RTL Objects.
* PUT_MODE:                              Machine Modes.
* PUT_REG_NOTE_KIND:                     Insns.
* PUT_SDB_...:                           SDB and DWARF.
* QCmode:                                Machine Modes.
* QFmode:                                Machine Modes.
* QImode:                                Machine Modes.
* QImode, in insn:                       Insns.
* qualified type:                        Types.
* question mark:                         Multi-Alternative.
* quotient:                              Arithmetic.
* r in constraint:                       Simple Constraints.
* RDIV_EXPR:                             Expression trees.
* READONLY_DATA_SECTION:                 Sections.
* REAL_ARITHMETIC:                       Cross-compilation.
* REAL_CST:                              Expression trees.
* REAL_INFINITY:                         Cross-compilation.
* REAL_NM_FILE_NAME:                     Macros for Initialization.
* REAL_TYPE:                             Types.
* REAL_VALUE_ATOF:                       Cross-compilation.
* REAL_VALUE_FIX:                        Cross-compilation.
* REAL_VALUE_FROM_INT:                   Cross-compilation.
* REAL_VALUE_ISINF:                      Cross-compilation.
* REAL_VALUE_ISNAN:                      Cross-compilation.
* REAL_VALUE_LDEXP:                      Cross-compilation.
* REAL_VALUE_NEGATE:                     Cross-compilation.
* REAL_VALUE_RNDZINT:                    Cross-compilation.
* REAL_VALUE_TO_DECIMAL:                 Data Output.
* REAL_VALUE_TO_INT:                     Cross-compilation.
* REAL_VALUE_TO_TARGET_DOUBLE:           Data Output.
* REAL_VALUE_TO_TARGET_LONG_DOUBLE:      Data Output.
* REAL_VALUE_TO_TARGET_SINGLE:           Data Output.
* REAL_VALUE_TRUNCATE:                   Cross-compilation.
* REAL_VALUE_TYPE:                       Cross-compilation.
* REAL_VALUE_UNSIGNED_FIX:               Cross-compilation.
* REAL_VALUE_UNSIGNED_RNDZINT:           Cross-compilation.
* REAL_VALUES_EQUAL:                     Cross-compilation.
* REAL_VALUES_LESS:                      Cross-compilation.
* REALPART_EXPR:                         Expression trees.
* recog_data.operand:                    Instruction Output.
* recognizing insns:                     RTL Template.
* RECORD_TYPE <1>:                       Classes.
* RECORD_TYPE:                           Types.
* reference:                             Types.
* REFERENCE_TYPE:                        Types.
* reg:                                   Regs and Memory.
* reg and /f:                            Flags.
* reg and /i:                            Flags.
* reg and /s:                            Flags.
* reg and /u:                            Flags.
* reg and /v:                            Flags.
* reg, RTL sharing:                      Sharing.
* REG_ALLOC_ORDER:                       Allocation Order.
* REG_BR_PRED:                           Insns.
* REG_BR_PROB:                           Insns.
* REG_CC_SETTER:                         Insns.
* REG_CC_USER:                           Insns.
* REG_CLASS_CONTENTS:                    Register Classes.
* REG_CLASS_FROM_LETTER:                 Register Classes.
* REG_CLASS_NAMES:                       Register Classes.
* REG_DEAD:                              Insns.
* REG_DEP_ANTI:                          Insns.
* REG_DEP_OUTPUT:                        Insns.
* REG_EQUAL:                             Insns.
* REG_EQUIV:                             Insns.
* REG_EXEC_COUNT:                        Insns.
* REG_FRAME_RELATED_EXPR:                Insns.
* REG_FUNCTION_VALUE_P:                  Flags.
* REG_INC:                               Insns.
* REG_LABEL:                             Insns.
* REG_LIBCALL:                           Insns.
* REG_LOOP_TEST_P:                       Flags.
* REG_MODE_OK_FOR_BASE_P:                Addressing Modes.
* reg_names:                             Instruction Output.
* REG_NO_CONFLICT:                       Insns.
* REG_NONNEG:                            Insns.
* REG_NOTE_KIND:                         Insns.
* REG_NOTES:                             Insns.
* REG_OK_FOR_BASE_P:                     Addressing Modes.
* REG_OK_FOR_INDEX_P:                    Addressing Modes.
* REG_OK_STRICT:                         Addressing Modes.
* REG_PARM_STACK_SPACE:                  Stack Arguments.
* REG_PARM_STACK_SPACE, and FUNCTION_ARG: Register Arguments.
* REG_POINTER:                           Flags.
* REG_RETVAL:                            Insns.
* REG_UNUSED:                            Insns.
* REG_USERVAR_P:                         Flags.
* REG_WAS_0:                             Insns.
* register allocation:                   Passes.
* register allocation order:             Allocation Order.
* register class definitions:            Register Classes.
* register class preference constraints: Class Preferences.
* register class preference pass:        Passes.
* register movement:                     Passes.
* register pairs:                        Values in Registers.
* Register Transfer Language (RTL):      RTL.
* register usage:                        Registers.
* register use analysis:                 Passes.
* register-to-stack conversion:          Passes.
* REGISTER_MOVE_COST:                    Costs.
* REGISTER_NAMES:                        Instruction Output.
* register_operand:                      RTL Template.
* REGISTER_PREFIX:                       Instruction Output.
* REGISTER_TARGET_PRAGMAS:               Misc.
* registers arguments:                   Register Arguments.
* registers in constraints:              Simple Constraints.
* REGNO_MODE_OK_FOR_BASE_P:              Register Classes.
* REGNO_OK_FOR_BASE_P:                   Register Classes.
* REGNO_OK_FOR_INDEX_P:                  Register Classes.
* REGNO_REG_CLASS:                       Register Classes.
* regs_ever_live:                        Function Entry.
* relative costs:                        Costs.
* RELATIVE_PREFIX_NOT_LINKDIR:           Driver.
* reload pass:                           Regs and Memory.
* reload_completed:                      Standard Names.
* reload_in instruction pattern:         Standard Names.
* reload_in_progress:                    Standard Names.
* reload_out instruction pattern:        Standard Names.
* reloading:                             Passes.
* remainder:                             Arithmetic.
* reordering, block:                     Passes.
* representation of RTL:                 RTL.
* rest_of_compilation:                   Passes.
* rest_of_decl_compilation:              Passes.
* restore_stack_block instruction pattern: Standard Names.
* restore_stack_function instruction pattern: Standard Names.
* restore_stack_nonlocal instruction pattern: Standard Names.
* RESULT_DECL:                           Declarations.
* return:                                Side Effects.
* return instruction pattern:            Standard Names.
* return values in registers:            Scalar Return.
* RETURN_ADDR_IN_PREVIOUS_FRAME:         Frame Layout.
* RETURN_ADDR_RTX:                       Frame Layout.
* RETURN_ADDRESS_POINTER_REGNUM:         Frame Registers.
* RETURN_EXPR:                           Function Bodies.
* RETURN_IN_MEMORY:                      Aggregate Return.
* RETURN_INIT:                           Function Bodies.
* RETURN_POPS_ARGS:                      Stack Arguments.
* RETURN_STMT:                           Function Bodies.
* returning aggregate values:            Aggregate Return.
* returning structures and unions:       Interface.
* REVERSE_CONDEXEC_PREDICATES_P:         Condition Code.
* REVERSE_CONDITION (CODE, MODE):        Condition Code.
* REVERSIBLE_CC_MODE:                    Condition Code.
* right rotate:                          Arithmetic.
* right shift:                           Arithmetic.
* rotate:                                Arithmetic.
* rotatert:                              Arithmetic.
* rotlM3 instruction pattern:            Standard Names.
* rotrM3 instruction pattern:            Standard Names.
* ROUND_TYPE_ALIGN:                      Storage Layout.
* ROUND_TYPE_SIZE:                       Storage Layout.
* ROUND_TYPE_SIZE_UNIT:                  Storage Layout.
* RSHIFT_EXPR:                           Expression trees.
* RTL addition:                          Arithmetic.
* RTL addition with signed saturation:   Arithmetic.
* RTL addition with unsigned saturation: Arithmetic.
* RTL classes:                           RTL Classes.
* RTL comparison:                        Arithmetic.
* RTL comparison operations:             Comparisons.
* RTL constant expression types:         Constants.
* RTL constants:                         Constants.
* RTL declarations:                      RTL Declarations.
* RTL difference:                        Arithmetic.
* RTL expression:                        RTL Objects.
* RTL expressions for arithmetic:        Arithmetic.
* RTL format:                            RTL Classes.
* RTL format characters:                 RTL Classes.
* RTL function-call insns:               Calls.
* RTL generation:                        Passes.
* RTL insn template:                     RTL Template.
* RTL integers:                          RTL Objects.
* RTL memory expressions:                Regs and Memory.
* RTL object types:                      RTL Objects.
* RTL postdecrement:                     Incdec.
* RTL postincrement:                     Incdec.
* RTL predecrement:                      Incdec.
* RTL preincrement:                      Incdec.
* RTL register expressions:              Regs and Memory.
* RTL representation:                    RTL.
* RTL side effect expressions:           Side Effects.
* RTL strings:                           RTL Objects.
* RTL structure sharing assumptions:     Sharing.
* RTL subtraction:                       Arithmetic.
* RTL sum:                               Arithmetic.
* RTL vectors:                           RTL Objects.
* RTX (See RTL):                         RTL Objects.
* RTX codes, classes of:                 RTL Classes.
* RTX_COSTS:                             Costs.
* RTX_FRAME_RELATED_P:                   Flags.
* RTX_INTEGRATED_P:                      Flags.
* RTX_UNCHANGING_P:                      Flags.
* run-time conventions:                  Interface.
* run-time target specification:         Run-time Target.
* s in constraint:                       Simple Constraints.
* same_type_p:                           Types.
* save_stack_block instruction pattern:  Standard Names.
* save_stack_function instruction pattern: Standard Names.
* save_stack_nonlocal instruction pattern: Standard Names.
* saveable_obstack:                      Addressing Modes.
* scalars, returned as values:           Scalar Return.
* SCCS_DIRECTIVE:                        Misc.
* SCHED_GROUP_P:                         Flags.
* scheduling, delayed branch:            Passes.
* scheduling, instruction:               Passes.
* SCmode:                                Machine Modes.
* sCOND instruction pattern:             Standard Names.
* SCOPE_BEGIN_P:                         Function Bodies.
* SCOPE_END_P:                           Function Bodies.
* SCOPE_NULLIFIED_P:                     Function Bodies.
* SCOPE_STMT:                            Function Bodies.
* scratch:                               Regs and Memory.
* scratch operands:                      Regs and Memory.
* scratch, RTL sharing:                  Sharing.
* SDB_ALLOW_FORWARD_REFERENCES:          SDB and DWARF.
* SDB_ALLOW_UNKNOWN_REFERENCES:          SDB and DWARF.
* SDB_DEBUGGING_INFO:                    SDB and DWARF.
* SDB_DELIM:                             SDB and DWARF.
* SDB_GENERATE_FAKE:                     SDB and DWARF.
* search options:                        Including Patterns.
* SECONDARY_INPUT_RELOAD_CLASS:          Register Classes.
* SECONDARY_MEMORY_NEEDED:               Register Classes.
* SECONDARY_MEMORY_NEEDED_MODE:          Register Classes.
* SECONDARY_MEMORY_NEEDED_RTX:           Register Classes.
* SECONDARY_OUTPUT_RELOAD_CLASS:         Register Classes.
* SECONDARY_RELOAD_CLASS:                Register Classes.
* SELECT_CC_MODE:                        Condition Code.
* SELECT_RTX_SECTION:                    Sections.
* SELECT_SECTION:                        Sections.
* sequence:                              Side Effects.
* set:                                   Side Effects.
* SET_ASM_OP:                            Label Output.
* set_attr:                              Tagging Insns.
* set_attr_alternative:                  Tagging Insns.
* SET_DEST:                              Side Effects.
* SET_IS_RETURN_P:                       Flags.
* SET_SRC:                               Side Effects.
* SETUP_FRAME_ADDRESSES:                 Frame Layout.
* SETUP_INCOMING_VARARGS:                Varargs.
* SFmode:                                Machine Modes.
* SHARED_BSS_SECTION_ASM_OP:             Sections.
* SHARED_SECTION_ASM_OP:                 Sections.
* sharing of RTL components:             Sharing.
* shift:                                 Arithmetic.
* SHIFT_COUNT_TRUNCATED:                 Misc.
* SHORT_IMMEDIATES_SIGN_EXTEND:          Misc.
* SHORT_TYPE_SIZE:                       Type Layout.
* sibcall_epilogue instruction pattern:  Standard Names.
* sibling call optimization:             Passes.
* SIBLING_CALL_P:                        Flags.
* sign_extend:                           Conversions.
* sign_extract:                          Bit-Fields.
* sign_extract, canonicalization of:     Insn Canonicalizations.
* signed division:                       Arithmetic.
* signed maximum:                        Arithmetic.
* signed minimum:                        Arithmetic.
* SImode:                                Machine Modes.
* simple constraints:                    Simple Constraints.
* simplifications, arithmetic:           Passes.
* Single Static Assignment optimizations: Passes.
* SIZE_TYPE:                             Type Layout.
* SLOW_BYTE_ACCESS:                      Costs.
* SLOW_UNALIGNED_ACCESS:                 Costs.
* SMALL_ARG_MAX:                         Host Config.
* SMALL_REGISTER_CLASSES:                Register Classes.
* SMALL_STACK:                           Frame Layout.
* smax:                                  Arithmetic.
* smaxM3 instruction pattern:            Standard Names.
* smin:                                  Arithmetic.
* sminM3 instruction pattern:            Standard Names.
* smulM3_highpart instruction pattern:   Standard Names.
* SPECIAL_MODE_PREDICATES:               Misc.
* speed of instructions:                 Costs.
* splitting instructions:                Insn Splitting.
* sqrt:                                  Arithmetic.
* sqrtM2 instruction pattern:            Standard Names.
* square root:                           Arithmetic.
* ss_minus:                              Arithmetic.
* ss_plus:                               Arithmetic.
* ss_truncate:                           Conversions.
* SSA Conditional Constant Propagation:  Passes.
* SSA DCE:                               Passes.
* SSA optimizations:                     Passes.
* stack arguments:                       Stack Arguments.
* stack frame layout:                    Frame Layout.
* STACK_BOUNDARY:                        Storage Layout.
* STACK_CHECK_BUILTIN:                   Stack Checking.
* STACK_CHECK_FIXED_FRAME_SIZE:          Stack Checking.
* STACK_CHECK_MAX_FRAME_SIZE:            Stack Checking.
* STACK_CHECK_MAX_VAR_SIZE:              Stack Checking.
* STACK_CHECK_PROBE_INTERVAL:            Stack Checking.
* STACK_CHECK_PROBE_LOAD:                Stack Checking.
* STACK_CHECK_PROTECT:                   Stack Checking.
* STACK_DYNAMIC_OFFSET:                  Frame Layout.
* STACK_DYNAMIC_OFFSET and virtual registers: Regs and Memory.
* STACK_GROWS_DOWNWARD:                  Frame Layout.
* STACK_PARMS_IN_REG_PARM_AREA:          Stack Arguments.
* STACK_POINTER_OFFSET:                  Frame Layout.
* STACK_POINTER_OFFSET and virtual registers: Regs and Memory.
* STACK_POINTER_REGNUM:                  Frame Registers.
* STACK_POINTER_REGNUM and virtual registers: Regs and Memory.
* stack_pointer_rtx:                     Frame Registers.
* STACK_PUSH_CODE:                       Frame Layout.
* STACK_REGS:                            Stack Registers.
* STACK_SAVEAREA_MODE:                   Storage Layout.
* STACK_SIZE_MODE:                       Storage Layout.
* standard pattern names:                Standard Names.
* STANDARD_EXEC_PREFIX:                  Driver.
* STANDARD_INCLUDE_COMPONENT:            Driver.
* STANDARD_INCLUDE_DIR:                  Driver.
* STANDARD_STARTFILE_PREFIX:             Driver.
* STARTFILE_SPEC:                        Driver.
* STARTING_FRAME_OFFSET:                 Frame Layout.
* STARTING_FRAME_OFFSET and virtual registers: Regs and Memory.
* statements:                            Function Bodies.
* STATIC_CHAIN:                          Frame Registers.
* STATIC_CHAIN_INCOMING:                 Frame Registers.
* STATIC_CHAIN_INCOMING_REGNUM:          Frame Registers.
* STATIC_CHAIN_REGNUM:                   Frame Registers.
* stdarg.h and register arguments:       Register Arguments.
* STDC_0_IN_SYSTEM_HEADERS:              Misc.
* STMT_EXPR:                             Expression trees.
* STMT_IS_FULL_EXPR_P:                   Function Bodies.
* STMT_LINENO:                           Function Bodies.
* storage layout:                        Storage Layout.
* STORE_FLAG_VALUE:                      Misc.
* store_multiple instruction pattern:    Standard Names.
* strcpy:                                Storage Layout.
* strength-reduction:                    Passes.
* STRICT_ALIGNMENT:                      Storage Layout.
* STRICT_ARGUMENT_NAMING:                Varargs.
* strict_low_part:                       RTL Declarations.
* strict_memory_address_p:               Addressing Modes.
* STRING_CST:                            Expression trees.
* STRING_POOL_ADDRESS_P:                 Flags.
* STRIP_NAME_ENCODING:                   Sections.
* strlenM instruction pattern:           Standard Names.
* STRUCT_VALUE:                          Aggregate Return.
* STRUCT_VALUE_INCOMING:                 Aggregate Return.
* STRUCT_VALUE_INCOMING_REGNUM:          Aggregate Return.
* STRUCT_VALUE_REGNUM:                   Aggregate Return.
* structure value address:               Aggregate Return.
* STRUCTURE_SIZE_BOUNDARY:               Storage Layout.
* structures, returning:                 Interface.
* subM3 instruction pattern:             Standard Names.
* SUBOBJECT:                             Function Bodies.
* SUBOBJECT_CLEANUP:                     Function Bodies.
* subreg:                                Regs and Memory.
* subreg and /s:                         Flags.
* subreg and /u:                         Flags.
* subreg, in strict_low_part:            RTL Declarations.
* subreg, special reload handling:       Regs and Memory.
* SUBREG_BYTE:                           Regs and Memory.
* SUBREG_PROMOTED_UNSIGNED_P:            Flags.
* SUBREG_PROMOTED_VAR_P:                 Flags.
* SUBREG_REG:                            Regs and Memory.
* SUCCESS_EXIT_CODE:                     Host Config.
* SUPPORTS_INIT_PRIORITY:                Macros for Initialization.
* SUPPORTS_ONE_ONLY:                     Label Output.
* SUPPORTS_WEAK:                         Label Output.
* SWITCH_BODY:                           Function Bodies.
* SWITCH_COND:                           Function Bodies.
* SWITCH_CURTAILS_COMPILATION:           Driver.
* SWITCH_STMT:                           Function Bodies.
* SWITCH_TAKES_ARG:                      Driver.
* SWITCHES_NEED_SPACES:                  Driver.
* symbol_ref:                            Constants.
* symbol_ref and /f:                     Flags.
* symbol_ref and /i:                     Flags.
* symbol_ref and /u:                     Flags.
* symbol_ref and /v:                     Flags.
* symbol_ref, RTL sharing:               Sharing.
* SYMBOL_REF_FLAG:                       Flags.
* SYMBOL_REF_FLAG, in ENCODE_SECTION_INFO: Sections.
* SYMBOL_REF_USED:                       Flags.
* SYMBOL_REF_WEAK:                       Flags.
* symbolic label:                        Sharing.
* SYSTEM_INCLUDE_DIR:                    Driver.
* t-TARGET:                              Target Fragment.
* tablejump instruction pattern:         Standard Names.
* tagging insns:                         Tagging Insns.
* tail calls:                            Tail Calls.
* tail recursion optimization:           Passes.
* target attributes:                     Target Attributes.
* target description macros:             Target Macros.
* target functions:                      Target Structure.
* target hooks:                          Target Structure.
* target makefile fragment:              Target Fragment.
* target specifications:                 Run-time Target.
* target-parameter-dependent code:       Passes.
* TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER: Profiling.
* TARGET_ASM_ALIGNED_DI_OP:              Data Output.
* TARGET_ASM_ALIGNED_HI_OP:              Data Output.
* TARGET_ASM_ALIGNED_SI_OP:              Data Output.
* TARGET_ASM_ALIGNED_TI_OP:              Data Output.
* TARGET_ASM_BYTE_OP:                    Data Output.
* TARGET_ASM_CLOSE_PAREN:                Data Output.
* TARGET_ASM_CONSTRUCTOR:                Macros for Initialization.
* TARGET_ASM_DESTRUCTOR:                 Macros for Initialization.
* TARGET_ASM_EH_FRAME_SECTION:           Exception Region Output.
* TARGET_ASM_EXCEPTION_SECTION:          Exception Region Output.
* TARGET_ASM_FUNCTION_BEGIN_EPILOGUE:    Function Entry.
* TARGET_ASM_FUNCTION_END_PROLOGUE:      Function Entry.
* TARGET_ASM_FUNCTION_EPILOGUE:          Function Entry.
* TARGET_ASM_FUNCTION_EPILOGUE and trampolines: Trampolines.
* TARGET_ASM_FUNCTION_PROLOGUE:          Function Entry.
* TARGET_ASM_FUNCTION_PROLOGUE and trampolines: Trampolines.
* TARGET_ASM_INTEGER:                    Data Output.
* TARGET_ASM_NAMED_SECTION:              File Framework.
* TARGET_ASM_OPEN_PAREN:                 Data Output.
* TARGET_ASM_UNALIGNED_DI_OP:            Data Output.
* TARGET_ASM_UNALIGNED_HI_OP:            Data Output.
* TARGET_ASM_UNALIGNED_SI_OP:            Data Output.
* TARGET_ASM_UNALIGNED_TI_OP:            Data Output.
* TARGET_ATTRIBUTE_TABLE:                Target Attributes.
* TARGET_BELL:                           Escape Sequences.
* TARGET_BS:                             Escape Sequences.
* TARGET_CANNOT_MODIFY_JUMPS_P:          Misc.
* TARGET_COMP_TYPE_ATTRIBUTES:           Target Attributes.
* TARGET_CR:                             Escape Sequences.
* TARGET_DLLIMPORT_DECL_ATTRIBUTES:      Target Attributes.
* TARGET_EDOM:                           Library Calls.
* TARGET_ESC:                            Escape Sequences.
* TARGET_EXECUTABLE_SUFFIX:              Misc.
* TARGET_EXPAND_BUILTIN:                 Misc.
* TARGET_FF:                             Escape Sequences.
* TARGET_FLOAT_FORMAT:                   Storage Layout.
* TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P: Target Attributes.
* TARGET_HAS_F_SETLKW:                   Misc.
* TARGET_HAVE_CTORS_DTORS:               Macros for Initialization.
* TARGET_HAVE_NAMED_SECTIONS:            File Framework.
* TARGET_INIT_BUILTINS:                  Misc.
* TARGET_INSERT_ATTRIBUTES:              Target Attributes.
* TARGET_MEM_FUNCTIONS:                  Library Calls.
* TARGET_MERGE_DECL_ATTRIBUTES:          Target Attributes.
* TARGET_MERGE_TYPE_ATTRIBUTES:          Target Attributes.
* TARGET_MS_BITFIELD_LAYOUT_P:           Storage Layout.
* TARGET_NEWLINE:                        Escape Sequences.
* TARGET_OBJECT_SUFFIX:                  Misc.
* TARGET_OPTION_TRANSLATE_TABLE:         Driver.
* TARGET_OPTIONS:                        Run-time Target.
* TARGET_PTRMEMFUNC_VBIT_LOCATION:       Type Layout.
* TARGET_SCHED_ADJUST_COST:              Scheduling.
* TARGET_SCHED_ADJUST_PRIORITY:          Scheduling.
* TARGET_SCHED_CYCLE_DISPLAY:            Scheduling.
* TARGET_SCHED_FINISH:                   Scheduling.
* TARGET_SCHED_INIT:                     Scheduling.
* TARGET_SCHED_ISSUE_RATE:               Scheduling.
* TARGET_SCHED_REORDER:                  Scheduling.
* TARGET_SCHED_REORDER2:                 Scheduling.
* TARGET_SCHED_VARIABLE_ISSUE:           Scheduling.
* TARGET_SECTION_TYPE_FLAGS:             File Framework.
* TARGET_SET_DEFAULT_TYPE_ATTRIBUTES:    Target Attributes.
* TARGET_SWITCHES:                       Run-time Target.
* TARGET_TAB:                            Escape Sequences.
* TARGET_VERSION:                        Run-time Target.
* TARGET_VT:                             Escape Sequences.
* TARGET_VTABLE_USES_DESCRIPTORS:        Type Layout.
* targetm:                               Target Structure.
* targets, makefile:                     Makefile.
* TCmode:                                Machine Modes.
* TEMPLATE_DECL:                         Declarations.
* termination routines:                  Initialization.
* text_section:                          Sections.
* TEXT_SECTION:                          Sections.
* TEXT_SECTION_ASM_OP:                   Sections.
* TFmode:                                Machine Modes.
* THEN_CLAUSE:                           Function Bodies.
* THREAD_MODEL_SPEC:                     Driver.
* THROW_EXPR:                            Expression trees.
* THUNK_DECL:                            Declarations.
* THUNK_DELTA:                           Declarations.
* TImode:                                Machine Modes.
* TImode, in insn:                       Insns.
* tm.h macros:                           Target Macros.
* top level of compiler:                 Passes.
* TQFmode:                               Machine Modes.
* TRADITIONAL_RETURN_FLOAT:              Scalar Return.
* TRAMPOLINE_ADJUST_ADDRESS:             Trampolines.
* TRAMPOLINE_ALIGNMENT:                  Trampolines.
* TRAMPOLINE_SECTION:                    Trampolines.
* TRAMPOLINE_SIZE:                       Trampolines.
* TRAMPOLINE_TEMPLATE:                   Trampolines.
* trampolines for nested functions:      Trampolines.
* TRANSFER_FROM_TRAMPOLINE:              Trampolines.
* trap instruction pattern:              Standard Names.
* tree <1>:                              Macros and Functions.
* tree:                                  Tree overview.
* Tree optimization:                     Passes.
* TREE_CODE:                             Tree overview.
* tree_int_cst_equal:                    Expression trees.
* TREE_INT_CST_HIGH:                     Expression trees.
* TREE_INT_CST_LOW:                      Expression trees.
* tree_int_cst_lt:                       Expression trees.
* TREE_LIST:                             Containers.
* TREE_OPERAND:                          Expression trees.
* TREE_PUBLIC:                           Function Basics.
* TREE_PURPOSE:                          Containers.
* TREE_STRING_LENGTH:                    Expression trees.
* TREE_STRING_POINTER:                   Expression trees.
* TREE_TYPE <1>:                         Types.
* TREE_TYPE <2>:                         Declarations.
* TREE_TYPE <3>:                         Expression trees.
* TREE_TYPE:                             Function Basics.
* TREE_VALUE:                            Containers.
* TREE_VEC:                              Containers.
* TREE_VEC_ELT:                          Containers.
* TREE_VEC_LENGTH:                       Containers.
* TREE_VIA_PRIVATE:                      Classes.
* TREE_VIA_PROTECTED:                    Classes.
* TREE_VIA_PUBLIC:                       Classes.
* Trees:                                 Trees.
* TRULY_NOOP_TRUNCATION:                 Misc.
* TRUNC_DIV_EXPR:                        Expression trees.
* TRUNC_MOD_EXPR:                        Expression trees.
* truncate:                              Conversions.
* truncMN2 instruction pattern:          Standard Names.
* TRUTH_AND_EXPR:                        Expression trees.
* TRUTH_ANDIF_EXPR:                      Expression trees.
* TRUTH_NOT_EXPR:                        Expression trees.
* TRUTH_OR_EXPR:                         Expression trees.
* TRUTH_ORIF_EXPR:                       Expression trees.
* TRUTH_XOR_EXPR:                        Expression trees.
* TRY_BLOCK:                             Function Bodies.
* TRY_HANDLERS:                          Function Bodies.
* TRY_STMTS:                             Function Bodies.
* tstM instruction pattern:              Standard Names.
* type:                                  Types.
* type declaration:                      Declarations.
* TYPE_ALIGN:                            Types.
* TYPE_ARG_TYPES:                        Types.
* TYPE_ATTRIBUTES:                       Attributes.
* TYPE_BINFO:                            Classes.
* TYPE_BUILT_IN:                         Types.
* TYPE_CONTEXT:                          Types.
* TYPE_DECL:                             Declarations.
* TYPE_FIELDS <1>:                       Classes.
* TYPE_FIELDS:                           Types.
* TYPE_HAS_ARRAY_NEW_OPERATOR:           Classes.
* TYPE_HAS_DEFAULT_CONSTRUCTOR:          Classes.
* TYPE_HAS_MUTABLE_P:                    Classes.
* TYPE_HAS_NEW_OPERATOR:                 Classes.
* TYPE_MAIN_VARIANT:                     Types.
* TYPE_MAX_VALUE:                        Types.
* TYPE_METHOD_BASETYPE:                  Types.
* TYPE_METHODS:                          Classes.
* TYPE_MIN_VALUE:                        Types.
* TYPE_NAME:                             Types.
* TYPE_NOTHROW_P:                        Function Basics.
* TYPE_OFFSET_BASETYPE:                  Types.
* TYPE_OVERLOADS_ARRAY_REF:              Classes.
* TYPE_OVERLOADS_ARROW:                  Classes.
* TYPE_OVERLOADS_CALL_EXPR:              Classes.
* TYPE_POLYMORPHIC_P:                    Classes.
* TYPE_PRECISION:                        Types.
* TYPE_PTR_P:                            Types.
* TYPE_PTRFN_P:                          Types.
* TYPE_PTRMEM_P:                         Types.
* TYPE_PTROB_P:                          Types.
* TYPE_PTROBV_P:                         Types.
* TYPE_QUAL_CONST:                       Types.
* TYPE_QUAL_RESTRICT:                    Types.
* TYPE_QUAL_VOLATILE:                    Types.
* TYPE_RAISES_EXCEPTIONS:                Function Basics.
* TYPE_SIZE:                             Types.
* TYPE_UNQUALIFIED:                      Types.
* TYPE_VFIELD:                           Classes.
* TYPENAME_TYPE:                         Types.
* TYPENAME_TYPE_FULLNAME:                Types.
* TYPEOF_TYPE:                           Types.
* udiv:                                  Arithmetic.
* UDIVDI3_LIBCALL:                       Library Calls.
* udivM3 instruction pattern:            Standard Names.
* udivmodM4 instruction pattern:         Standard Names.
* UDIVSI3_LIBCALL:                       Library Calls.
* UINTMAX_TYPE:                          Type Layout.
* umax:                                  Arithmetic.
* umaxM3 instruction pattern:            Standard Names.
* umin:                                  Arithmetic.
* uminM3 instruction pattern:            Standard Names.
* umod:                                  Arithmetic.
* UMODDI3_LIBCALL:                       Library Calls.
* umodM3 instruction pattern:            Standard Names.
* UMODSI3_LIBCALL:                       Library Calls.
* umulhisi3 instruction pattern:         Standard Names.
* umulM3_highpart instruction pattern:   Standard Names.
* umulqihi3 instruction pattern:         Standard Names.
* umulsidi3 instruction pattern:         Standard Names.
* unchanging:                            Flags.
* unchanging, in call_insn:              Flags.
* unchanging, in insn:                   Flags.
* unchanging, in reg and mem:            Flags.
* unchanging, in subreg:                 Flags.
* unchanging, in symbol_ref:             Flags.
* UNION_TYPE <1>:                        Types.
* UNION_TYPE:                            Classes.
* unions, returning:                     Interface.
* UNIQUE_SECTION:                        Sections.
* UNITS_PER_WORD:                        Storage Layout.
* UNKNOWN_FLOAT_FORMAT:                  Storage Layout.
* UNKNOWN_TYPE:                          Types.
* unreachable code:                      Passes.
* unshare_all_rtl:                       Sharing.
* unsigned division:                     Arithmetic.
* unsigned greater than:                 Comparisons.
* unsigned less than:                    Comparisons.
* unsigned minimum and maximum:          Arithmetic.
* unsigned_fix:                          Conversions.
* unsigned_float:                        Conversions.
* unspec:                                Side Effects.
* unspec_volatile:                       Side Effects.
* untyped_call instruction pattern:      Standard Names.
* untyped_return instruction pattern:    Standard Names.
* UPDATE_PATH_HOST_CANONICALIZE (PATH):  Host Config.
* us_minus:                              Arithmetic.
* us_plus:                               Arithmetic.
* us_truncate:                           Conversions.
* use:                                   Side Effects.
* USE_C_ALLOCA:                          Host Config.
* USE_LOAD_POST_DECREMENT:               Costs.
* USE_LOAD_POST_INCREMENT:               Costs.
* USE_LOAD_PRE_DECREMENT:                Costs.
* USE_LOAD_PRE_INCREMENT:                Costs.
* USE_STORE_POST_DECREMENT:              Costs.
* USE_STORE_POST_INCREMENT:              Costs.
* USE_STORE_PRE_DECREMENT:               Costs.
* USE_STORE_PRE_INCREMENT:               Costs.
* used:                                  Flags.
* used, in symbol_ref:                   Flags.
* USER_LABEL_PREFIX:                     Instruction Output.
* USING_DECL:                            Declarations.
* USING_STMT:                            Function Bodies.
* V in constraint:                       Simple Constraints.
* values, returned by functions:         Scalar Return.
* VAR_DECL <1>:                          Expression trees.
* VAR_DECL:                              Declarations.
* varargs implementation:                Varargs.
* variable:                              Declarations.
* VAX_FLOAT_FORMAT:                      Storage Layout.
* vec_concat:                            Vector Operations.
* vec_const:                             Vector Operations.
* vec_duplicate:                         Vector Operations.
* vec_merge:                             Vector Operations.
* vec_select:                            Vector Operations.
* vector:                                Containers.
* vector operations:                     Vector Operations.
* VECTOR_CST:                            Expression trees.
* VECTOR_MODE_SUPPORTED_P:               Storage Layout.
* VIRTUAL_INCOMING_ARGS_REGNUM:          Regs and Memory.
* VIRTUAL_OUTGOING_ARGS_REGNUM:          Regs and Memory.
* VIRTUAL_STACK_DYNAMIC_REGNUM:          Regs and Memory.
* VIRTUAL_STACK_VARS_REGNUM:             Regs and Memory.
* VMS:                                   Host Config.
* VMS_DEBUGGING_INFO:                    VMS Debug.
* VOID_TYPE:                             Types.
* VOIDmode:                              Machine Modes.
* volatil:                               Flags.
* volatil, in insn:                      Flags.
* volatil, in label_ref:                 Flags.
* volatil, in mem:                       Flags.
* volatil, in reg:                       Flags.
* volatil, in symbol_ref:                Flags.
* volatile memory references:            Flags.
* voting between constraint alternatives: Class Preferences.
* VTABLE_REF:                            Expression trees.
* WCHAR_TYPE:                            Type Layout.
* WCHAR_TYPE_SIZE:                       Type Layout.
* which_alternative:                     Output Statement.
* WHILE_BODY:                            Function Bodies.
* WHILE_COND:                            Function Bodies.
* WHILE_STMT:                            Function Bodies.
* WIDEST_HARDWARE_FP_SIZE:               Type Layout.
* WINT_TYPE:                             Type Layout.
* word_mode:                             Machine Modes.
* WORD_REGISTER_OPERATIONS:              Misc.
* WORD_SWITCH_TAKES_ARG:                 Driver.
* WORDS_BIG_ENDIAN:                      Storage Layout.
* WORDS_BIG_ENDIAN, effect on subreg:    Regs and Memory.
* X in constraint:                       Simple Constraints.
* x-HOST:                                Host Fragment.
* XCmode:                                Machine Modes.
* XCOFF_DEBUGGING_INFO:                  DBX Options.
* XEXP:                                  Accessors.
* XFmode:                                Machine Modes.
* XINT:                                  Accessors.
* xm-MACHINE.h:                          Host Config.
* xor:                                   Arithmetic.
* xor, canonicalization of:              Insn Canonicalizations.
* xorM3 instruction pattern:             Standard Names.
* XSTR:                                  Accessors.
* XVEC:                                  Accessors.
* XVECEXP:                               Accessors.
* XVECLEN:                               Accessors.
* XWINT:                                 Accessors.
* zero_extend:                           Conversions.
* zero_extendMN2 instruction pattern:    Standard Names.
* zero_extract:                          Bit-Fields.
* zero_extract, canonicalization of:     Insn Canonicalizations.


