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glibc/bits
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Joseph Myers 0d93b7fd7c Add _Float64, _Float32x function aliases. 
This patch continues filling out TS 18661-3 support by adding *f64 and
*f32x function aliases, supporting _Float64 and _Float32x, as aliases
for double functions.  These types are supported for all glibc
configurations.  The API corresponds exactly to that for _Float128 and
_Float64x.  _Float32 aliases to float functions remain to be added in
subsequent patches to complete this process (then there are a few
miscellaneous functions in TS 18661-3 to implement that aren't simply
versions of existing functions for new types).

The patch enables the feature in bits/floatn-common.h, adds symbol
versions and documentation with updates to ABI baselines, and arranges
for the libm functions for the new types to be tested.  As with the
_Float64x changes there are some x86 ulps updates because of header
inlines not used for the new types (and one other change to the
non-multiarch libm-test-ulps, which I suppose comes from using a
different compiler version / configuration from when it was last
regenerated).

Tested for x86_64 and x86, and with build-many-glibcs.py, with both
GCC 6 and GCC 7.

	* bits/floatn-common.h (__HAVE_FLOAT64): Define to 1.
	(__HAVE_FLOAT32X): Likewise.
	* manual/math.texi (Mathematics): Document support for _Float64
	and _Float32x.
	* math/Makefile (test-types): Add float64 and float32x.
	* math/Versions (GLIBC_2.27): Add _Float64 and _Float32x
	functions.
	* stdlib/Versions (GLIBC_2.27): Likewise.
	* wcsmbs/Versions (GLIBC_2.27): Likewise.
	* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update.
	* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
	* sysdeps/i386/fpu/libm-test-ulps: Likewise.
	* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
2017-12-06 00:58:03 +00:00
..
types Fix sigval namespace (bug 21944). 2017-08-16 20:33:59 +00:00
byteswap-16.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
byteswap.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
confname.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
dirent.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
dlfcn.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
elfclass.h
endian.h
environments.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
errno.h Remove __need macros from errno.h (__need_Emath, __need_error_t). 2017-06-14 08:14:34 -04:00
fcntl.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fenv.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fenvinline.h
floatn-common.h Add _Float64, _Float32x function aliases. 2017-12-06 00:58:03 +00:00
floatn.h Add _Float64x function aliases. 2017-11-27 14:16:47 +00:00
flt-eval-method.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fp-fast.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fp-logb.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
hwcap.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
in.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ioctl-types.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ioctls.h
ipc.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ipctypes.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
iscanonical.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
libc-header-start.h Add support for testing __STDC_WANT_IEC_60559_TYPES_EXT__ 2017-05-09 11:40:28 -03:00
libm-simd-decl-stubs.h Handle more _FloatN, _FloatNx types in bits/libm-simd-decl-stubs.h. 2017-11-24 21:11:37 +00:00
link.h
local_lim.h
long-double.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
math-vector.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mathdef.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mathinline.h
mman.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mqueue.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
msq.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
netdb.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
param.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
poll.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
posix_opt.h
pthreadtypes.h
resource.h Define struct rusage in sys/wait.h when required (bug 21575). 2017-06-19 11:59:19 +00:00
sched.h Remove __need_schedparam and __cpu_set_t_defined. 2017-06-12 17:11:36 -04:00
select.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sem.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
setjmp.h
shm.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sigaction.h Fix XPG4.2 bits/sigaction.h namespace (bug 21899). 2017-08-07 23:41:32 +00:00
sigcontext.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sigevent-consts.h Remove __need macros from signal.h. 2017-05-20 19:04:43 -04:00
siginfo-consts.h Remove __need macros from signal.h. 2017-05-20 19:04:43 -04:00
signum-generic.h Factor out shared definitions from bits/signum.h. 2017-06-20 20:32:50 -04:00
signum.h Factor out shared definitions from bits/signum.h. 2017-06-20 20:32:50 -04:00
sigstack.h Split up bits/sigstack.h. 2017-05-19 20:35:07 +00:00
sigthread.h Refer to <signal.h> instead of <pthread.h> in <bits/sigthread.h> 2017-02-28 10:34:15 +01:00
sockaddr.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
socket.h hurd: Fix bits/socket.h conformity 2017-09-24 22:21:41 +02:00
ss_flags.h Split up bits/sigstack.h. 2017-05-19 20:35:07 +00:00
stat.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
statfs.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
statvfs.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
stdint-intn.h Fix network headers stdint.h namespace (bug 21455). 2017-05-04 20:36:42 +00:00
stdint-uintn.h Fix network headers stdint.h namespace (bug 21455). 2017-05-04 20:36:42 +00:00
stdlib-bsearch.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
stropts.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sys_errlist.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
syslog-path.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sysmacros.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
termios.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
time.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
typesizes.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
uintn-identity.h Make endian-conversion macros always return correct types (bug 16458). 2017-01-11 15:28:08 +00:00
uio_lim.h Remove __need_IOV_MAX and __need_FOPEN_MAX. 2017-06-14 07:51:30 -04:00
uio-ext.h posix: Add p{readv,writev}2 flags to generic uio-ext.h 2017-10-17 17:52:04 -02:00
ustat.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
utmp.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
utsname.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
waitflags.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
waitstatus.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wchar.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wordsize.h Define wordsize.h macros everywhere 2016-11-04 09:37:44 -07:00
xtitypes.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00