glibc

Tree: 8b0e795aaa

Joseph Myers 797ba44ba2 Add bits/floatn.h defines for more _FloatN / _FloatNx types. The bits/floatn.h header currently only has defines relating to _Float128. This patch adds defines relating to other _FloatN / _FloatNx types. The approach taken is to add defines for all _FloatN / _FloatNx types known to GCC, and to put them in a common bits/floatn-common.h header included at the end of all the individual bits/floatn.h headers. If in future some defines become different for different glibc configurations, they will move out into the separate bits/floatn.h headers. Some defines are expected always to be the same across glibc ports. Corresponding defines are nevertheless put in this header. The intent is that where there are conditionals (in headers or in non-installed files) that can just repeat the same or nearly the same logic for each floating-point type, they should do so, even if in fact the cases for some types could be unconditionally present or absent because the same conditionals are true or false for all glibc configurations. This should make the glibc code with such conditionals easier to read, because the reader can just see that the same conditionals are repeated for each type, rather than seeing different conditionals for different types and needing to reason, at each location with such differences, why those differences are indeed correct there. (Cases involving per-format rather than per-type logic are more likely still to need differences in how they handle different types.) Having such defines and conditionals also helps in incremental preparation for adding _Float32 / _Float64 / _Float32x / _Float64x function aliases. I intend subsequent patches to add such conditionals corresponding to those already present for _Float128, as well as making more architecture-specific function implementations use common macros to define aliases in preparation for adding such _FloatN / _FloatNx aliases. Tested for x86_64. * bits/floatn-common.h: New file. * math/Makefile (headers): Add bits/floatn-common.h. * bits/floatn.h: Include <bits/floatn-common.h>. * sysdeps/ia64/bits/floatn.h: Likewise. * sysdeps/ieee754/ldbl-128/bits/floatn.h: Likewise. * sysdeps/mips/ieee754/bits/floatn.h: Likewise. * sysdeps/powerpc/bits/floatn.h: Likewise. * sysdeps/x86/bits/floatn.h: Likewise.		9 years ago
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types	Fix sigval namespace (bug 21944).	9 years ago
byteswap-16.h	Update copyright dates with scripts/update-copyrights.	9 years ago
byteswap.h	Update copyright dates with scripts/update-copyrights.	9 years ago
confname.h	Update copyright dates with scripts/update-copyrights.	9 years ago
dirent.h	Update copyright dates with scripts/update-copyrights.	9 years ago
dlfcn.h	Update copyright dates with scripts/update-copyrights.	9 years ago
elfclass.h	Update.	27 years ago
endian.h	Update.	29 years ago
environments.h	Update copyright dates with scripts/update-copyrights.	9 years ago
errno.h	Remove __need macros from errno.h (__need_Emath, __need_error_t).	9 years ago
fcntl.h	Update copyright dates with scripts/update-copyrights.	9 years ago
fenv.h	Update copyright dates with scripts/update-copyrights.	9 years ago
fenvinline.h	Update.	27 years ago
floatn-common.h	Add bits/floatn.h defines for more _FloatN / _FloatNx types.	9 years ago
floatn.h	Add bits/floatn.h defines for more _FloatN / _FloatNx types.	9 years ago
flt-eval-method.h	Update copyright dates with scripts/update-copyrights.	9 years ago
fp-fast.h	Update copyright dates with scripts/update-copyrights.	9 years ago
fp-logb.h	Update copyright dates with scripts/update-copyrights.	9 years ago
hwcap.h	Update copyright dates with scripts/update-copyrights.	9 years ago
in.h	Update copyright dates with scripts/update-copyrights.	9 years ago
ioctl-types.h	Update copyright dates with scripts/update-copyrights.	9 years ago
ioctls.h	Update.	29 years ago
ipc.h	Update copyright dates with scripts/update-copyrights.	9 years ago
ipctypes.h	Update copyright dates with scripts/update-copyrights.	9 years ago
iscanonical.h	Update copyright dates with scripts/update-copyrights.	9 years ago
libc-header-start.h	Add support for testing __STDC_WANT_IEC_60559_TYPES_EXT__	9 years ago
libm-simd-decl-stubs.h	float128: Add public _Float128 declarations to libm.	9 years ago
link.h	* csu/elf-init.c (__libc_csu_fini): Don't do anything here.	22 years ago
local_lim.h	Update.	29 years ago
long-double.h	Update copyright dates with scripts/update-copyrights.	9 years ago
math-vector.h	Update copyright dates with scripts/update-copyrights.	9 years ago
mathdef.h	Update copyright dates with scripts/update-copyrights.	9 years ago
mathinline.h	* configure.in (libc_cv_gnu89_inline): Test for -fgnu89-inline.	19 years ago
mman-linux.h	Update copyright dates with scripts/update-copyrights.	9 years ago
mman.h	Update copyright dates with scripts/update-copyrights.	9 years ago
mqueue.h	Update copyright dates with scripts/update-copyrights.	9 years ago
msq.h	Update copyright dates with scripts/update-copyrights.	9 years ago
netdb.h	Update copyright dates with scripts/update-copyrights.	9 years ago
param.h	Update copyright dates with scripts/update-copyrights.	9 years ago
poll.h	Update copyright dates with scripts/update-copyrights.	9 years ago
posix_opt.h	Update.	29 years ago
pthreadtypes.h	2002-11-10 Roland McGrath <roland@redhat.com>	24 years ago
resource.h	Define struct rusage in sys/wait.h when required (bug 21575).	9 years ago
sched.h	Remove __need_schedparam and __cpu_set_t_defined.	9 years ago
select.h	Update copyright dates with scripts/update-copyrights.	9 years ago
sem.h	Update copyright dates with scripts/update-copyrights.	9 years ago
setjmp.h	Update.	29 years ago
shm.h	Update copyright dates with scripts/update-copyrights.	9 years ago
sigaction.h	Fix XPG4.2 bits/sigaction.h namespace (bug 21899).	9 years ago
sigcontext.h	Update copyright dates with scripts/update-copyrights.	9 years ago
sigevent-consts.h	Remove __need macros from signal.h.	9 years ago
siginfo-consts.h	Remove __need macros from signal.h.	9 years ago
signum-generic.h	Factor out shared definitions from bits/signum.h.	9 years ago
signum.h	Factor out shared definitions from bits/signum.h.	9 years ago
sigstack.h	Split up bits/sigstack.h.	9 years ago
sigthread.h	Refer to <signal.h> instead of <pthread.h> in <bits/sigthread.h>	9 years ago
sockaddr.h	Update copyright dates with scripts/update-copyrights.	9 years ago
socket.h	hurd: Fix bits/socket.h conformity	9 years ago
ss_flags.h	Split up bits/sigstack.h.	9 years ago
stat.h	Update copyright dates with scripts/update-copyrights.	9 years ago
statfs.h	Update copyright dates with scripts/update-copyrights.	9 years ago
statvfs.h	Update copyright dates with scripts/update-copyrights.	9 years ago
stdint-intn.h	Fix network headers stdint.h namespace (bug 21455).	9 years ago
stdint-uintn.h	Fix network headers stdint.h namespace (bug 21455).	9 years ago
stdlib-bsearch.h	Update copyright dates with scripts/update-copyrights.	9 years ago
stropts.h	Update copyright dates with scripts/update-copyrights.	9 years ago
sys_errlist.h	Update copyright dates with scripts/update-copyrights.	9 years ago
syslog-path.h	Update copyright dates with scripts/update-copyrights.	9 years ago
sysmacros.h	Update copyright dates with scripts/update-copyrights.	9 years ago
termios.h	Update copyright dates with scripts/update-copyrights.	9 years ago
time.h	Update copyright dates with scripts/update-copyrights.	9 years ago
typesizes.h	Update copyright dates with scripts/update-copyrights.	9 years ago
uintn-identity.h	Make endian-conversion macros always return correct types (bug 16458).	9 years ago
uio-ext.h	posix: Add p{readv,writev}2 flags to generic uio-ext.h	9 years ago
uio_lim.h	Remove __need_IOV_MAX and __need_FOPEN_MAX.	9 years ago
ustat.h	Update copyright dates with scripts/update-copyrights.	9 years ago
utmp.h	Update copyright dates with scripts/update-copyrights.	9 years ago
utsname.h	Update copyright dates with scripts/update-copyrights.	9 years ago
waitflags.h	Update copyright dates with scripts/update-copyrights.	9 years ago
waitstatus.h	Update copyright dates with scripts/update-copyrights.	9 years ago
wchar.h	Update copyright dates with scripts/update-copyrights.	9 years ago
wordsize.h	Define wordsize.h macros everywhere	10 years ago
xtitypes.h	Update copyright dates with scripts/update-copyrights.	9 years ago