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This patch extends update-quadmath.py to update fmaq from glibc.
The issue in that function was that quadmath-imp.h had a struct in a
union with mant_high and mant_low fields (up to 64-bit) whereas glibc
has mantissa0, mantissa1, mantissa2 and mantissa3 (up to 32-bit). The
patch changes those fields to be the same as in glibc, moving printf /
strtod code that also uses those fields back to closer to the glibc
form. This allows fmaq to be updated automatically from glibc (which
brings in at least one bug fix from glibc from 2015).
nanq was also using the mant_high field name, and had other issues: it
only partly initialized the union from which a value was returned, and
setting mant_high to 1 meant a signaling NaN would be returned rather
than a quiet NaN. This patch fixes those issues as part of updating
it to use the changed interfaces (but does not fix the issue of not
using the argument).
Bootstrapped with no regressions on x86_64-pc-linux-gnu.
* quadmath-imp.h (ieee854_float128): Use mantissa0, mantissa1,
mantissa2 and mantissa3 fields instead of mant_high and mant_low.
Change nan field to ieee_nan.
* update-quadmath.py (update_sources): Also update fmaq.c.
* math/nanq.c (nanq): Use ieee_nan field of union.
Zero-initialize f. Set quiet_nan field.
* printf/flt1282mpn.c, printf/printf_fphex.c, strtod/mpn2flt128.c,
strtod/strtoflt128.c: Use mantissa0, mantissa1, mantissa2 and
mantissa3 fields. Use ieee_nan and quiet_nan field.
* math/fmaq.c: Regenerate from glibc sources with
update-quadmath.py.
From-SVN: r265874
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libquadmath/68686).
libquadmath sources are mostly based on glibc sources at present, but
derived from them by a manual editing / substitution process and with
subsequent manual merges. The manual effort involved in merges means
they are sometimes incomplete and long-delayed.
Since libquadmath was first created, glibc's support for this format
has undergone significant changes so that it can also be used in glibc
to provide *f128 functions for the _Float128 type from TS 18661-3.
This makes it significantly easier to use it for libquadmath in a more
automated fashion, since glibc has a float128_private.h header that
redefines many identifiers as macros as needed for building *f128
functions.
Simply using float128_private.h directly in libquadmath, with
unmodified glibc sources except for changing function names in that
one header to be *q instead of *f128, would be tricky, given its
dependence on lots of other glibc-internal headers (whereas
libquadmath supports non-glibc systems), and also given how some libm
functions in glibc are built from type-generic templates using a
further set of macros rather than from separate function
implementations for each type.
So instead this patch adds a script update-quadmath.py to convert
glibc sources into libquadmath ones, and the script reads
float128_private.h to identify many of the substitutions it should
make. quadmath-imp.h is updated with various new internal
definitions, taken from glibc as needed; this is the main place
expected to need updating manually when subsequent merges from glibc
are done using the script. No attempt is made to make the script
output match the details of existing formatting, although the
differences are of a size that makes a rough comparison (ignoring
whitespace) possible.
Two new public interfaces are added to libquadmath, exp2q and
issignalingq, at a new QUADMATH_1.2 symbol version, since those
interfaces are used internally by some of the glibc sources being
merged into libquadmath; although there is a new symbol version, no
change however is made to the libtool version in the libtool-version
file. Although there are various other interfaces now in glibc libm
but not in libquadmath, this patch does nothing to add such interfaces
(although adding many of them would in fact be easy to do, given the
script).
One internal file (not providing any public interfaces),
math/isinf_nsq.c, is removed, as no longer used by anything in
libquadmath after the merge.
Conditionals in individual source files on <fenv.h> availability or
features are moved into quadmath-imp.h (providing trivial macro
versions of the functions if real implementations aren't available),
to simplify the substitutions in individual source files. Note
however that I haven't tested for any configurations lacking <fenv.h>,
so further changes could well be needed there.
Two files in libquadmath/math/ are based on glibc sources but not
updated in this patch: fmaq.c and rem_pio2q.c. Both could be updated
after further changes to the script (and quadmath-imp.h as needed); in
the case of rem_pio2q.c, based on two separate glibc source files,
those separate files would naturally be split out into separate
libquadmath source files in the process (as done in this patch with
expq_table.h and tanq_kernel.c, where previously two glibc source
files had been merged into one libquadmath source file). complex.c,
nanq.c and sqrtq.c are not based on glibc sources (though four of the
(trivial) functions in complex.c could readily be replaced by instead
using the four corresponding files from glibc, if desired).
libquadmath also has printf/ and strtod/ sources based on glibc, also
mostly not updated for a long time. Again the script could no doubt
be made to generate those automatically, although that would be a
larger change (effectively some completely separate logic in the
script, not sharing much if anything with the existing code).
Bootstrapped with no regressions on x86_64-pc-linux-gnu.
PR libquadmath/68686
* Makefile.am: (libquadmath_la_SOURCES): Remove math/isinf_nsq.c.
Add math/exp2q.c math/issignalingq.c math/lgammaq_neg.c
math/lgammaq_product.c math/tanq_kernel.c math/tgammaq_product.c
math/casinhq_kernel.c.
* Makefile.in: Regenerate.
* libquadmath.texi (exp2q, issignalingq): Document.
* quadmath-imp.h: Include <errno.h>, <limits.h>, <stdbool.h> and
<fenv.h>.
(HIGH_ORDER_BIT_IS_SET_FOR_SNAN, FIX_FLT128_LONG_CONVERT_OVERFLOW)
(FIX_FLT128_LLONG_CONVERT_OVERFLOW, __quadmath_kernel_tanq)
(__quadmath_gamma_productq, __quadmath_gammaq_r)
(__quadmath_lgamma_negq, __quadmath_lgamma_productq)
(__quadmath_lgammaq_r, __quadmath_kernel_casinhq, mul_splitq)
(math_check_force_underflow_complex, __glibc_likely)
(__glibc_unlikely, struct rm_ctx, SET_RESTORE_ROUNDF128)
(libc_feholdsetround_ctx, libc_feresetround_ctx): New.
(feraiseexcept, fenv_t, feholdexcept, fesetround, feupdateenv)
(fesetenv, fetestexcept, feclearexcept): Define if not supported
through <fenv.h>.
(__quadmath_isinf_nsq): Remove.
* quadmath.h (exp2q, issignalingq): New.
* quadmath.map (QUADMATH_1.2): New.
* quadmath_weak.h (exp2q, issignalingq): New.
* update-quadmath.py: New file.
* math/isinf_nsq.c: Remove file.
* math/casinhq_kernel.c, math/exp2q.c, math/expq_table.h,
math/issignalingq.c, math/lgammaq_neg.c, math/lgammaq_product.c,
math/tanq_kernel.c, math/tgammaq_product.c: New files. Generated
from glibc sources with update-quadmath.py.
* math/acoshq.c, math/acosq.c, math/asinhq.c, math/asinq.c,
math/atan2q.c, math/atanhq.c, math/atanq.c, math/cacoshq.c,
math/cacosq.c, math/casinhq.c, math/casinq.c, math/catanhq.c,
math/catanq.c, math/cbrtq.c, math/ccoshq.c, math/ceilq.c,
math/cexpq.c, math/cimagq.c, math/clog10q.c, math/clogq.c,
math/conjq.c, math/copysignq.c, math/coshq.c, math/cosq.c,
math/cosq_kernel.c, math/cprojq.c, math/crealq.c, math/csinhq.c,
math/csinq.c, math/csqrtq.c, math/ctanhq.c, math/ctanq.c,
math/erfq.c, math/expm1q.c, math/expq.c, math/fabsq.c,
math/fdimq.c, math/finiteq.c, math/floorq.c, math/fmaxq.c,
math/fminq.c, math/fmodq.c, math/frexpq.c, math/hypotq.c,
math/ilogbq.c, math/isinfq.c, math/isnanq.c, math/j0q.c,
math/j1q.c, math/jnq.c, math/ldexpq.c, math/lgammaq.c,
math/llrintq.c, math/llroundq.c, math/log10q.c, math/log1pq.c,
math/log2q.c, math/logbq.c, math/logq.c, math/lrintq.c,
math/lroundq.c, math/modfq.c, math/nearbyintq.c,
math/nextafterq.c, math/powq.c, math/remainderq.c, math/remquoq.c,
math/rintq.c, math/roundq.c, math/scalblnq.c, math/scalbnq.c,
math/signbitq.c, math/sincos_table.c, math/sincosq.c,
math/sincosq_kernel.c, math/sinhq.c, math/sinq.c,
math/sinq_kernel.c, math/tanhq.c, math/tanq.c, math/tgammaq.c,
math/truncq.c, math/x2y2m1q.c: Regenerate from glibc sources with
update-quadmath.py.
From-SVN: r265822
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real*16 argument)
PR libquadmath/65757
* quadmath-imp.h (math_opt_barrier, math_force_eval,
math_narrow_eval, math_check_force_underflow,
math_check_force_underflow_nonneg): Define.
* math/ceilq.c: Backport changes from upstream glibc
between 2012-11-01 and 2017-07-13.
* math/remquoq.c: Likewise.
* math/expq.c: Likewise.
* math/llroundq.c: Likewise.
* math/logq.c: Likewise.
* math/atanq.c: Likewise.
* math/nearbyintq.c: Likewise.
* math/scalblnq.c: Likewise.
* math/finiteq.c: Likewise.
* math/atanhq.c: Likewise.
* math/expm1q.c: Likewise.
* math/sinhq.c: Likewise.
* math/log10q.c: Likewise.
* math/rintq.c: Likewise.
* math/roundq.c: Likewise.
* math/fmaq.c: Likewise.
* math/erfq.c: Likewise.
* math/log2q.c: Likewise.
* math/lroundq.c: Likewise.
* math/j1q.c: Likewise.
* math/scalbnq.c: Likewise.
* math/truncq.c: Likewise.
* math/frexpq.c: Likewise.
* math/sincosq.c: Likewise.
* math/tanhq.c: Likewise.
* math/asinq.c: Likewise.
* math/coshq.c: Likewise.
* math/j0q.c: Likewise.
* math/asinhq.c: Likewise.
* math/floorq.c: Likewise.
* math/sinq_kernel.c: Likewise.
* math/powq.c: Likewise.
* math/hypotq.c: Likewise.
* math/sincos_table.c: Likewise.
* math/rem_pio2q.c: Likewise.
* math/nextafterq.c: Likewise.
* math/log1pq.c: Likewise.
* math/sincosq_kernel.c: Likewise.
* math/tanq.c: Likewise.
* math/acosq.c: Likewise.
* math/lrintq.c: Likewise.
* math/llrintq.c: Likewise.
From-SVN: r250343
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From-SVN: r195820
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From-SVN: r195699
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2012-11-01 Tobias Burnus <burnus@net-b.de>
* Makefile.am (libquadmath_la_SOURCES): Add new math/* files.
* Makefile.in: Regenerated.
* math/acoshq.c: Update comment.
* math/acosq.c: Ditto.
* math/asinhq.c: Ditto.
* math/asinq.c: Ditto.
* math/atan2q.c: Ditto.
* math/atanhq.c: Ditto.
* math/ceilq.c: Ditto.
* math/copysignq.c: Ditto.
* math/cosq.c: Ditto.
* math/coshq.c: Ditto.
* math/erfq.c: Ditto.
* math/fabsq.c: Ditto.
* math/finiteq.c: Ditto.
* math/floorq.c: Ditto.
* math/fmodq.c: Ditto.
* math/frexpq.c: Ditto.
* math/isnanq.c: Ditto.
* math/j0q.c: Ditto.
* math/j1q.c: Ditto.
* math/ldexpq.c: Ditto.
* math/llroundq.c: Ditto.
* math/log10q.c: Ditto.
* math/log1pq.c: Ditto.
* math/log2q.c: Ditto.
* math/logq.c: Ditto.
* math/lroundq.c: Ditto.
* math/modfq.c: Ditto.
* math/nextafterq.c: Ditto.
* math/powq.c: Ditto.
* math/rem_pio2q.c: Ditto.
* math/remainderq.c: Ditto.
* math/rintq.c: Ditto.
* math/roundq.c: Ditto.
* math/scalblnq.c: Ditto.
* math/scalbnq.c: Ditto.
* math/sincosq_kernel.c: Ditto.
* math/sinq.c: Ditto.
* math/tanq.c: Ditto.
* math/expq.c: Ditto.
(__expq_table, expq): Renamed local array from __expl_table.
* math/cosq_kernel.c (__quadmath_kernel_cosq): Fix sign
* handling.
* math/cacoshq.c: Changes from GLIBC; fix returned sign.
* math/casinhq.c: Changes from GLIBC to fix special-case.
* math/cbrtq.c: Use modified GLIBC version.
* math/complex.c (ccoshd, cexpq, clog10q, clogq, csinhq, csinq,
ctanhq, ctanq): Moved to separates files.
(mult_c128, div_c128): Removed no longer needed functions.
(cexpiq): Call sincosq instead of sinq and cosq.
(cosq): Call cosh(-re,im) instead of cosq/sinq/sinh/cosh.
* math/ccoshq.c (ccoshq): New file, moved from complex.c and
modified based on GLIBC.
* math/cexpq.c (cexp): Ditto.
* math/clog10q.c (clog10q): Ditto.
* math/clogq.c (clogq): Ditto.
* math/csinhq.c: Ditto.
* math/csinq.c: Ditto.
* math/csqrtq.c: Ditto.
* math/ctanhq.c: Ditto.
* math/ctanq.c: Ditto.
* math/fmaq.c (fmaq): Port TININESS_AFTER_ROUNDING handling
from GLIBC.
* math/ilogbq.c (ilogbq): Add errno = EDOM handling.
* math/isinf_nsq.c (__quadmath_isinf_nsq): New file, ported
from GLIBC.
* math/lgammaq.c (lgammaq): Add signgam handling.
* math/sinhq.c (sinhq): Fix sign handling.
* math/sinq_kernel.c (__quadmath_kernel_sinq): Ditto.
* math/tgammaq.c (tgammaq): Ditto.
* math/x2y2m1q.c: New file.
* quadmath-imp.h (TININESS_AFTER_ROUNDING): New define.
(__quadmath_x2y2m1q, __quadmath_isinf_nsq): New prototypes.
From-SVN: r193063
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PR target/51007
* quadmath-imp.h (ieee854_float128): Adjust
for ms-bitfield layout.
From-SVN: r181125
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2011-01-17 Tobias Burnus <burnus@net-b.de>
PR fortran/46817
* quadmath-imp.h: Refer to libquadmath not ot libiberty,
bump copyright year and use /**/ instead of // comments.
* quadmath.h: Ditto.
* quadmath-weak.h: Ditto.
* quadmath_io.c: Ditto.
From-SVN: r168892
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PR fortran/46416
* quadmath.h (cbrtq, finiteq, isnanq, signbitq, sqrtq): Remove
const from prototype argument.
(cimagq, conjq, cprojq, crealq, fdimq, fmaxq, fminq, ilogbq,
llrintq, log2q, lrintq, nearbyintq, remquoq): New prototypes.
(__quadmath_extern_inline): Define.
(cimagq, conjq, crealq): New inlines.
* Makefile.am (libquadmath_la_SOURCES): Add math/cimagq.c,
math/conjq.c, math/cprojq.c, math/crealq.c, math/fdimq.c,
math/fmaxq.c, math/fminq.c, math/ilogbq.c, math/llrintq.c,
math/log2q.c, math/lrintq.c, math/nearbyintq.c and math/remquoq.c.
* Makefile.in: Regenerated.
* quadmath_weak.h (cimagq, conjq, cprojq, crealq, fdimq, fmaxq,
fminq, ilogbq, llrintq, log2q, lrintq, nearbyintq, remquoq): Add.
* quadmath-imp.h (__LITTLE_ENDIAN__): Don't define.
(ieee854_float128): Use __BYTE_ORDER == __ORDER_BIG_ENDIAN__
tests instead of __BIG_ENDIAN__.
* quadmath.map (QUADMATH_1.0): Add cimagq, conjq, cprojq, crealq,
fdimq, fmaxq, fminq, ilogbq, llrintq, log2q, lrintq, nearbyintq
and remquoq.
* libquadmath.texi (cimagq, conjq, cprojq, crealq, fdimq, fmaxq,
fminq, ilogbq, llrintq, log2q, lrintq, nearbyintq, remquoq): Add.
* math/cprojq.c: New file.
* math/ilogbq.c: New file.
* math/fminq.c: New file.
* math/llrintq.c: New file.
* math/log2q.c: New file.
* math/lrintq.c: New file.
* math/crealq.c: New file.
* math/nearbyintq.c: New file.
* math/fmaxq.c: New file.
* math/conjq.c: New file.
* math/remquoq.c: New file.
* math/cimagq.c: New file.
* math/fdimq.c: New file.
* math/ldexpq.c: Include errno.h. Set errno to ERANGE if needed.
From-SVN: r168854
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PR fortran/46416
* quadmath.h (cacosq, cacoshq, casinq, casinhq, catanq, catanhq):
New prototypes.
(M_Eq, M_LOG2Eq, M_LOG10Eq, M_LN2q, M_LN10q, M_PIq, M_PI_2q, M_PI_4q,
M_1_PIq, M_2_PIq, M_2_SQRTPIq, M_SQRT2q, M_SQRT1_2q): Define.
* quadmath_weak.h (cacosq, cacoshq, casinq, casinhq, catanq,
catanhq): Add.
* quadmath-imp.h (fpclassifyq, QUADFP_NAN, QUADFP_INFINITE,
QUADFP_ZERO, QUADFP_SUBNORMAL, QUADFP_NORMAL): Define.
* quadmath.map (QUADMATH_1.0): Add cacosq, cacoshq, casinq, casinhq,
catanq and catanhq.
* Makefile.am (libquadmath_la_SOURCES): Add math/cacosq.c,
math/cacoshq.c, math/casinq.c, math/casinhq.c, math/catanq.c
and math/catanhq.c.
* Makefile.in: Regenerated.
* libquadmath.texi (cacosq, cacoshq, casinq, casinhq,
catanq, catanhq): Add.
* math/cacoshq.c: New file.
* math/cacosq.c: New file.
* math/catanq.c: New file.
* math/catanhq.c: New file.
* math/casinq.c: New file.
* math/casinhq.c: New file.
* math/hypotq.c (hypotq): Use Q suffix instead of L.
* math/atan2q.c (tiny, pi_o_4, pi_o_2, pi, pi_lo, atan2q): Likewise.
* math/cosq.c (cosq): Likewise.
From-SVN: r168853
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PR fortran/46402
* quadmath.map (QUADMATH_1.0): Add fmaq.
* configure.ac: Check for fenv.h, feholdexcept, fesetround,
feupdateenv, fesetenv and fetestexcept.
* configure: Regenerated.
* config.h.in: Regenerated.
* quadmath.h (fmaq): New prototype.
* quadmath_weak.h (fmaq): Add.
* Makefile.am (libquadmath_la_SOURCES): Add math/fmaq.c.
* Makefile.in: Regenerated.
* quadmath-imp.h: Include config.h.
* math/expq.c: Include fenv.h.
(USE_FENV_H): Define if libm support for fe* is there.
(expq): Add fesetround etc. support if USE_FENV_H is defined.
* math/fmaq.c: New file.
* libquadmath.texi (fmaq): Add.
From-SVN: r168852
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<-> string functions)
2010-12-13 Tobias Burnus <burnus@net-b.de>
PR fortran/46625
* gdtoa/gdtoaimp.h: Mangle internal functions by
prefixing them with __quadmath. Don't use gdtoa's strcp(y).
* gdtoa/g_Qfmt.c (g_Qfmt): Use strcpy instead of strcp.
* gdtoa/misc.c (strcpy): Renamed from strcp and only use
if NO_STRING_H is set.
* quadmath-imp.h (__quadmath_rem_pio2q,
* __quadmath_kernel_sincosq
__quadmath_kernel_sinq, __quadmath_kernel_cosq): Added
__quadmath prefix to internal functions.
* math/cosq.c (cosq): Ditto.
* math/sinq.c (cosq): Ditto.
* math/tanq.c (tanq,__quadmath_kernel_tanq): Ditto.
* math/rem_pio2q.c (rem_pio2, __quadmath_kernel_rem_pio2):
* Ditto.
* math/sinq_kernel.c (__quadmath_kernel_sinq): Ditto.
* math/cosq_kernel.c (__quadmath_kernel_cosq): Ditto.
From-SVN: r167768
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2010-12-06 Tobias Burnus <burnus@net-b.de>
PR fortran/46817
* quadmath-imp.h: Add LGPL header.
* quadmath.h: Add LGPL header.
* quadmath_io.c: Add LGPL header.
* quadmath_weak.h: Add LGPL header.
From-SVN: r167521
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2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* Makefile.def: Add libquadmath; build it with language=fortran.
* configure.ac: Add libquadmath.
* Makefile.tpl: Handle multiple libs in check-[+language+].
* Makefile.in: Regenerate.
* configure: Regenerate.
libquadmath/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
Initial implementation and checkin.
gcc/fortran/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* gfortranspec.c (find_spec_file): New function.
(lang_specific_driver): Try to find .spec file and use it.
* trans-io.c (iocall): Define
* IOCALL_X_REAL128/COMPLEX128(,write).
(gfc_build_io_library_fndecls): Build decl for __float128 I/O.
(transfer_expr): Call __float128 I/O functions.
* trans-types.c (gfc_init_kinds): Allow kind-16 belonging
to __float128.
gcc/testsuite/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* gfortran.dg/quad_1.f90: New.
* lib/gcc-defs.exp (gcc-set-multilib-library-path): Use also
compiler arguments.
* lib/gfortran.exp (gfortran_link_flags): Add libquadmath to
library search path; call gcc-set-multilib-library-path with
arguments such that libgfortran.spec is found.
(gfortran_init): Add path for libgfortran.spec to
GFORTRAN_UNDER_TEST.
libgomp/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* configure.ac:
* configure: Regenerate.
libgfortran/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* Makefile.am: Add missing pow_r16_i4.c, add transfer128.c,
link libquadmath, if used.
* acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Add.
* configure.ac: Use it, touch spec file.
* gfortran.map: Add pow_r16_i4 and
transfer_(real,complex)128(,write) functions.
* intrinsics/cshift0.c (cshift0): Handle __float128 type.
* intrinsics/erfc_scaled_inc.c: Ditto.
* intrinsics/pack_generic.c (pack): Ditto
* intrinsics/spread_generic.c (spread): Ditto.
* intrinsics/unpack_generic.c (unpack1): Ditto.
* io/read.c (convert_real): Ditto.
* io/transfer.c: Update comments.
* io/transfer128.c: New file.
* io/write_float.def (write_float): Handle __float128 type.
* libgfortran.h: #include quadmath_weak.h, define __builtin_infq
and nanq.
* m4/mtype.m4: Handle __float128 type.
* runtime/in_pack_generic.c (internal_pack): Ditto.
* runtime/in_unpack_generic.c (internal_unpack): Ditto.
* kinds-override.h: New file.
* libgfortran.spec.in: Ditto.
* generated/pow_r16_i4.c: Generated.
* Makefile.in: Regenerate.
* configure: Regenerate.
* config.h: Regenerate.
* bessel_r10.c: Regenerate.
* bessel_r16.c: Regenerate.
* bessel_r4.c: Regenerate.
* bessel_r8.c: Regenerate.
* exponent_r16.c: Regenerate.
* fraction_r16.c: Regenerate.
* nearest_r16.c: Regenerate.
* norm2_r10.c: Regenerate.
* norm2_r16.c: Regenerate.
* norm2_r4.c: Regenerate.
* norm2_r8.c: Regenerate.
* rrspacing_r16.c: Regenerate.
* set_exponent_r16.c: Regenerate.
* spacing_r16.c: Regenerate.
Co-Authored-By: Tobias Burnus <burnus@net-b.de>
From-SVN: r166825
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