sphinx: remove texinfo files

gcc/d/ChangeLog:

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gcc/ChangeLog:

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	* doc/avr-mmcu.texi: Removed.
	* doc/bugreport.texi: Removed.
	* doc/cfg.texi: Removed.
	* doc/collect2.texi: Removed.
	* doc/compat.texi: Removed.
	* doc/configfiles.texi: Removed.
	* doc/configterms.texi: Removed.
	* doc/contrib.texi: Removed.
	* doc/contribute.texi: Removed.
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	* doc/cppenv.texi: Removed.
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	* doc/gimple.texi: Removed.
	* doc/gnu.texi: Removed.
	* doc/gty.texi: Removed.
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	* doc/hostconfig.texi: Removed.
	* doc/implement-c.texi: Removed.
	* doc/implement-cxx.texi: Removed.
	* doc/include/fdl.texi: Removed.
	* doc/include/funding.texi: Removed.
	* doc/include/gcc-common.texi: Removed.
	* doc/include/gpl_v3.texi: Removed.
	* doc/install.texi: Removed.
	* doc/interface.texi: Removed.
	* doc/invoke.texi: Removed.
	* doc/languages.texi: Removed.
	* doc/libgcc.texi: Removed.
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	* doc/lto-dump.texi: Removed.
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gcc/fortran/ChangeLog:

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	* gfortran.texi: Removed.
	* intrinsic.texi: Removed.
	* invoke.texi: Removed.

gcc/go/ChangeLog:

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libgomp/ChangeLog:

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libiberty/ChangeLog:

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	* copying-lib.texi: Removed.
	* functions.texi: Removed.
	* libiberty.texi: Removed.
	* obstacks.texi: Removed.

libitm/ChangeLog:

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libquadmath/ChangeLog:

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diff --git a/libquadmath/libquadmath.texi b/libquadmath/libquadmath.texi
deleted file mode 100644
index fad8e62d8bc..00000000000
--- a/libquadmath/libquadmath.texi
+++ /dev/null
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-\input texinfo @c -*-texinfo-*-
-
-@c %**start of header
-@setfilename libquadmath.info
-@settitle GCC libquadmath
-@c %**end of header
-
-@copying
-Copyright @copyright{} 2010-2022 Free Software Foundation, Inc.
-
-@quotation
-Permission is granted to copy, distribute and/or modify this document
-under the terms of the GNU Free Documentation License, Version 1.2 or
-any later version published by the Free Software Foundation; with no
-Invariant Sections, with the Front-Cover Texts being ``A GNU Manual,''
-and with the Back-Cover Texts as in (a) below.  A copy of the
-license is included in the section entitled ``GNU Free Documentation
-License.''
-
-(a) The FSF's Back-Cover Text is: ``You have the freedom to
-copy and modify this GNU manual.
-@end quotation
-@end copying
-
-@ifinfo
-@dircategory GNU Libraries
-@direntry
-* libquadmath: (libquadmath).                  GCC Quad-Precision Math Library
-@end direntry
-
-This manual documents the GCC Quad-Precision Math Library API.
-
-Published by the Free Software Foundation
-51 Franklin Street, Fifth Floor
-Boston, MA 02110-1301 USA
-
-@insertcopying
-@end ifinfo
-
-
-@setchapternewpage odd
-
-@titlepage
-@title The GCC Quad-Precision Math Library
-@page
-@vskip 0pt plus 1filll
-@comment For the @value{version-GCC} Version*
-@sp 1
-Published by the Free Software Foundation @*
-51 Franklin Street, Fifth Floor@*
-Boston, MA 02110-1301, USA@*
-@sp 1
-@insertcopying
-@end titlepage
-
-@summarycontents
-@contents
-@page
-
-
-@node Top
-@top Introduction
-@cindex Introduction
-
-This manual documents the usage of libquadmath, the GCC Quad-Precision
-Math Library Application Programming Interface (API).
-
-
-@comment
-@comment  When you add a new menu item, please keep the right hand
-@comment  aligned to the same column.  Do not use tabs.  This provides
-@comment  better formatting.
-@comment
-@menu
-* Typedef and constants::      Defined data types and constants
-* Math Library Routines::      The Libquadmath math runtime application
-                               programming interface.
-* I/O Library Routines::       The Libquadmath I/O runtime application
-                               programming interface.
-* GNU Free Documentation License::
-                               How you can copy and share this manual.
-* Reporting Bugs::             How to report bugs in GCC Libquadmath.
-@c * Index::                      Index of this documentation.
-@end menu
-
-
-@c ---------------------------------------------------------------------
-@c Defined macros
-@c ---------------------------------------------------------------------
-
-@node Typedef and constants
-@chapter Typedef and constants
-
-The following data type has been defined via @code{typedef}.
-
-@table @asis
-@item @code{__complex128}: @code{__float128}-based complex number
-@end table
-
-The following macros are defined, which give the numeric limits of the
-@code{__float128} data type.
-
-@table @asis
-@item @code{FLT128_MAX}: largest finite number
-@item @code{FLT128_MIN}: smallest positive number with full precision
-@item @code{FLT128_EPSILON}: difference between 1 and the next larger
-                             representable number
-@item @code{FLT128_DENORM_MIN}: smallest positive denormalized number
-@item @code{FLT128_MANT_DIG}: number of digits in the mantissa (bit precision)
-@item @code{FLT128_MIN_EXP}: maximal negative exponent
-@item @code{FLT128_MAX_EXP}: maximal positive exponent
-@item @code{FLT128_DIG}: number of decimal digits in the mantissa
-@item @code{FLT128_MIN_10_EXP}: maximal negative decimal exponent
-@item @code{FLT128_MAX_10_EXP}: maximal positive decimal exponent
-@end table
-
-The following mathematical constants of type @code{__float128} are defined.
-
-@table @asis
-@item @code{M_Eq}: the constant e (Euler's number)
-@item @code{M_LOG2Eq}: binary logarithm of 2
-@item @code{M_LOG10Eq}: common, decimal logarithm of 2
-@item @code{M_LN2q}: natural logarithm of 2
-@item @code{M_LN10q}: natural logarithm of 10
-@item @code{M_PIq}: pi
-@item @code{M_PI_2q}: pi divided by two
-@item @code{M_PI_4q}: pi divided by four
-@item @code{M_1_PIq}: one over pi
-@item @code{M_2_PIq}: one over two pi
-@item @code{M_2_SQRTPIq}: two over square root of pi
-@item @code{M_SQRT2q}: square root of 2
-@item @code{M_SQRT1_2q}: one over square root of 2
-@end table
-
-
-@c ---------------------------------------------------------------------
-@c Math routines
-@c ---------------------------------------------------------------------
-
-@node Math Library Routines
-@chapter Math Library Routines
-
-The following mathematical functions are available:
-
-@table @asis
-@item @code{acosq}: arc cosine function
-@item @code{acoshq}: inverse hyperbolic cosine function
-@item @code{asinq}: arc sine function
-@item @code{asinhq}: inverse hyperbolic sine function
-@item @code{atanq}: arc tangent function
-@item @code{atanhq}: inverse hyperbolic tangent function
-@item @code{atan2q}: arc tangent function
-@item @code{cbrtq}: cube root function
-@item @code{ceilq}: ceiling value function
-@item @code{copysignq}: copy sign of a number
-@item @code{coshq}: hyperbolic cosine function
-@item @code{cosq}: cosine function
-@item @code{erfq}: error function
-@item @code{erfcq}: complementary error function
-@item @code{exp2q}: base 2 exponential function
-@item @code{expq}: exponential function
-@item @code{expm1q}: exponential minus 1 function
-@need 800
-@item @code{fabsq}: absolute value function
-@item @code{fdimq}: positive difference function
-@item @code{finiteq}: check finiteness of value
-@item @code{floorq}: floor value function
-@item @code{fmaq}: fused multiply and add
-@item @code{fmaxq}: determine maximum of two values
-@item @code{fminq}: determine minimum of two values
-@item @code{fmodq}: remainder value function
-@item @code{frexpq}: extract mantissa and exponent
-@item @code{hypotq}: Eucledian distance function
-@item @code{ilogbq}: get exponent of the value
-@item @code{isinfq}: check for infinity
-@item @code{isnanq}: check for not a number
-@item @code{issignalingq}: check for signaling not a number
-@item @code{j0q}: Bessel function of the first kind, first order
-@item @code{j1q}: Bessel function of the first kind, second order
-@item @code{jnq}: Bessel function of the first kind, @var{n}-th order
-@item @code{ldexpq}: load exponent of the value
-@item @code{lgammaq}: logarithmic gamma function
-@item @code{llrintq}: round to nearest integer value
-@item @code{llroundq}: round to nearest integer value away from zero
-@item @code{logbq}: get exponent of the value
-@item @code{logq}: natural logarithm function
-@item @code{log10q}: base 10 logarithm function
-@item @code{log1pq}: compute natural logarithm of the value plus one
-@item @code{log2q}: base 2 logarithm function
-@need 800
-@item @code{lrintq}: round to nearest integer value
-@item @code{lroundq}: round to nearest integer value away from zero
-@item @code{modfq}: decompose the floating-point number
-@item @code{nanq}: return quiet NaN
-@item @code{nearbyintq}: round to nearest integer
-@item @code{nextafterq}: next representable floating-point number
-@item @code{powq}: power function
-@item @code{remainderq}: remainder function
-@item @code{remquoq}: remainder and part of quotient
-@item @code{rintq}: round-to-nearest integral value
-@item @code{roundq}: round-to-nearest integral value, return @code{__float128}
-@item @code{scalblnq}: compute exponent using @code{FLT_RADIX}
-@item @code{scalbnq}: compute exponent using @code{FLT_RADIX}
-@item @code{signbitq}: return sign bit
-@item @code{sincosq}: calculate sine and cosine simultaneously
-@item @code{sinhq}: hyperbolic sine function
-@item @code{sinq}: sine function
-@item @code{sqrtq}: square root function
-@item @code{tanq}: tangent function
-@item @code{tanhq}: hyperbolic tangent function
-@need 800
-@item @code{tgammaq}: true gamma function
-@item @code{truncq}: round to integer, towards zero
-@item @code{y0q}: Bessel function of the second kind, first order
-@item @code{y1q}: Bessel function of the second kind, second order
-@item @code{ynq}: Bessel function of the second kind, @var{n}-th order
-@item @code{cabsq} complex absolute value function
-@item @code{cargq}: calculate the argument
-@item @code{cimagq} imaginary part of complex number
-@item @code{crealq}: real part of complex number
-@item @code{cacoshq}: complex arc hyperbolic cosine function
-@item @code{cacosq}: complex arc cosine function
-@item @code{casinhq}: complex arc hyperbolic sine function
-@item @code{casinq}: complex arc sine function
-@item @code{catanhq}: complex arc hyperbolic tangent function
-@item @code{catanq}: complex arc tangent function
-@item @code{ccosq} complex cosine function:
-@item @code{ccoshq}: complex hyperbolic cosine function
-@item @code{cexpq}: complex exponential function
-@need 800
-@item @code{cexpiq}: computes the exponential function of ``i'' times a
-                     real value
-@item @code{clogq}: complex natural logarithm
-@item @code{clog10q}: complex base 10 logarithm
-@item @code{conjq}: complex conjugate function
-@item @code{cpowq}: complex power function
-@item @code{cprojq}: project into Riemann Sphere
-@item @code{csinq}: complex sine function
-@item @code{csinhq}: complex hyperbolic sine function
-@item @code{csqrtq}: complex square root
-@item @code{ctanq}: complex tangent function
-@item @code{ctanhq}: complex hyperbolic tangent function
-@end table
-
-
-@c ---------------------------------------------------------------------
-@c I/O routines
-@c ---------------------------------------------------------------------
-
-@node I/O Library Routines
-@chapter I/O Library Routines
-
-@menu
-* @code{strtoflt128}:          strtoflt128,          Convert from string
-* @code{quadmath_snprintf}:    quadmath_snprintf,    Convert to string
-@end menu
-
-
-@node strtoflt128
-@section @code{strtoflt128} --- Convert from string
-
-The function @code{strtoflt128} converts a string into a
-@code{__float128} number.
-
-@table @asis
-@item Syntax
-@code{__float128 strtoflt128 (const char *s, char **sp)}
-
-@item @emph{Arguments}:
-@multitable @columnfractions .15 .70
-@item @var{s}  @tab input string
-@item @var{sp} @tab the address of the next character in the string
-@end multitable
-
-The argument @var{sp} contains, if not @code{NULL}, the address of the
-next character following the parts of the string, which have been read.
-
-@item Example
-@smallexample
-#include <quadmath.h>
-
-int main ()
-@{
-  __float128 r;
-
-  r = strtoflt128 ("1.2345678", NULL);
-
-  return 0;
-@}
-@end smallexample
-@end table
-
-
-@node quadmath_snprintf
-@section @code{quadmath_snprintf} --- Convert to string
-
-The function @code{quadmath_snprintf} converts a @code{__float128} floating-point
-number into a string.  It is a specialized alternative to @code{snprintf}, where
-the format string is restricted to a single conversion specifier with @code{Q}
-modifier and conversion specifier @code{e}, @code{E}, @code{f}, @code{F}, @code{g},
-@code{G}, @code{a} or @code{A}, with no extra characters before or after the
-conversion specifier.  The @code{%m$} or @code{*m$} style must not be used in
-the format.
-
-@table @asis
-@item Syntax
-@code{int quadmath_snprintf (char *s, size_t size, const char *format, ...)}
-
-@item @emph{Arguments}:
-@multitable @columnfractions .15 .70
-@item @var{s}    @tab output string
-@item @var{size} @tab byte size of the string, including trailing NUL
-@item @var{format} @tab conversion specifier string
-@end multitable
-
-@item Note
-On some targets when supported by the C library hooks are installed
-for @code{printf} family of functions, so that @code{printf ("%Qe", 1.2Q);}
-etc.@: works too.
-
-@item Example
-@smallexample
-#include <quadmath.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-int main ()
-@{
-  __float128 r;
-  int prec = 20;
-  int width = 46;
-  char buf[128];
-
-  r = 2.0q;
-  r = sqrtq (r);
-  int n = quadmath_snprintf (buf, sizeof buf, "%+-#*.20Qe", width, r);
-  if ((size_t) n < sizeof buf)
-    printf ("%s\n", buf);
-    /* Prints: +1.41421356237309504880e+00 */
-  quadmath_snprintf (buf, sizeof buf, "%Qa", r);
-  if ((size_t) n < sizeof buf)
-    printf ("%s\n", buf);
-    /* Prints: 0x1.6a09e667f3bcc908b2fb1366ea96p+0 */
-  n = quadmath_snprintf (NULL, 0, "%+-#46.*Qe", prec, r);
-  if (n > -1)
-    @{
-      char *str = malloc (n + 1);
-      if (str)
-        @{
-          quadmath_snprintf (str, n + 1, "%+-#46.*Qe", prec, r);
-          printf ("%s\n", str);
-          /* Prints: +1.41421356237309504880e+00 */
-        @}
-      free (str);
-    @}
-  return 0;
-@}
-@end smallexample
-
-@end table
-
-
-@c ---------------------------------------------------------------------
-@c GNU Free Documentation License
-@c ---------------------------------------------------------------------
-
-@include fdl.texi
-
-@c ---------------------------------------------------------------------
-@c Reporting Bugs
-@c ---------------------------------------------------------------------
-
-@c For BUGURL
-@include libquadmath-vers.texi
-
-@node Reporting Bugs
-@chapter Reporting Bugs
-
-Bugs in the GCC Quad-Precision Math Library implementation should be
-reported via @value{BUGURL}.
-
-
-@c ---------------------------------------------------------------------
-@c Index
-@c ---------------------------------------------------------------------
-
-@c @node Index
-@c @unnumbered Index
-@c 
-@c @printindex cp
-
-@bye