| Commit message (Collapse) | Author | Age | Files | Lines |
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fenv_t should include architecture-specific floating-point modes and
status flags. i386 and x86_64 fesetenv limit which bits they use from
the x87 status and control words, when using saved state, and limit
which parts of the state they set to fixed values, when using
FE_DFL_ENV / FE_NOMASK_ENV. The following should be included but are
excluded in at least some cases: status and masking for the "denormal
operand" exception (which isn't part of FE_ALL_EXCEPT); precision
control (explicitly mentioned in Annex F as something that counts as
part of the floating-point environment); MXCSR FZ and DAZ bits (for
FE_DFL_ENV and FE_NOMASK_ENV). This patch arranges for this extra
state to be handled by fesetenv (and thereby by feupdateenv, which
calls fesetenv).
(Note that glibc functions using floating point are not generally
expected to work correctly with non-default values of this state,
especially precision control, but it is still logically part of the
floating-point environment and should be handled as such by fesetenv.
Changes to the state relating to subnormals ought generally to work
with libm functions when the arguments aren't subnormal and neither
are the expected results; that's a consequence of functions avoiding
spurious internal underflows.)
A question arising from this is whether FE_NOMASK_ENV should or should
not mask the "denormal operand" exception. I decided it should mask
that exception. This is the status quo - previously that exception
could only be unmasked by direct manipulation of control registers
(possibly via <fpu_control.h>). In addition, it means that use of
FE_NOMASK_ENV leaves a floating-point environment the same as could be
obtained by fesetenv (FE_DFL_ENV); feenableexcept (FE_ALL_EXCEPT);,
rather than an environment in which an exception is unmasked that
could only be masked again by using fesetenv with FE_DFL_ENV (or a
previously saved environment) - this exception not being usable with
other <fenv.h> functions because it's outside FE_ALL_EXCEPT.
Tested for x86_64 and x86.
[BZ #16068]
* sysdeps/i386/fpu/fesetenv.c: Include <fpu_control.h>.
(FE_ALL_EXCEPT_X86): New macro.
(__fesetenv): Use FE_ALL_EXCEPT_X86 in most places instead of
FE_ALL_EXCEPT. Ensure precision control is included in
floating-point state. Ensure that FE_DFL_ENV and FE_NOMASK_ENV
handle "denormal operand exception" and clear FZ and DAZ bits.
* sysdeps/x86_64/fpu/fesetenv.c: Include <fpu_control.h>.
(FE_ALL_EXCEPT_X86): New macro.
(__fesetenv): Use FE_ALL_EXCEPT_X86 in most places instead of
FE_ALL_EXCEPT. Ensure precision control is included in
floating-point state. Ensure that FE_DFL_ENV and FE_NOMASK_ENV
handle "denormal operand exception" and clear FZ and DAZ bits.
* sysdeps/x86/fpu/test-fenv-sse-2.c: New file.
* sysdeps/x86/fpu/test-fenv-x87.c: Likewise.
* sysdeps/x86/fpu/Makefile [$(subdir) = math] (tests): Add
test-fenv-x87 and test-fenv-sse-2.
[$(subdir) = math] (CFLAGS-test-fenv-sse-2.c): New variable.
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The i386 and x86_64 versions of fesetenv, when called with FE_DFL_ENV
or FE_NOMASK_ENV as argument, do not clear SSE exceptions raised in
MXCSR. These arguments should, like other fenv_t values, represent
the whole of the floating-point state, so such exceptions should be
cleared; this patch adds the required clearing. (Discovered while
working on bug 16068.)
Tested for x86_64 and x86.
[BZ #19181]
* sysdeps/i386/fpu/fesetenv.c (__fesetenv): Clear already-raised
SSE exceptions when argument is FE_DFL_ENV or FE_NOMASK_ENV.
* sysdeps/x86_64/fpu/fesetenv.c (__fesetenv): Likewise.
* math/test-fenv-clear-main.c: New file.
* math/test-fenv-clear.c: Likewise.
* math/Makefile (tests): Add test-fenv-clear.
* sysdeps/x86/fpu/test-fenv-clear-sse.c: New file.
* sysdeps/x86/fpu/Makefile [$(subdir) = math] (tests): Add
test-fenv-clear-sse.
[$(subdir) = math] (CFLAGS-test-fenv-clear-sse.c): New variable.
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Continuing the fixes for C90 libm functions calling C99 fe* functions,
this patch fixes the case of fesetenv by making it a weak alias of
__fesetenv and making the affected code (including various copies of
feupdateenv which also gets called from C90 functions) call
__fesetenv.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fesetenv failures disappear from the linknamespace
test results (fsetround and feupdateenv remain to be addressed to
complete fixing bug 17748).
[BZ #17748]
* include/fenv.h (__fesetenv): Use libm_hidden_proto.
* math/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv
and define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/alpha/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/arm/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/hppa/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/i386/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/ia64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/mips/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/powerpc/fpu/fesetenv.c (__fesetenv): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fesetenv.c (__fesetenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fesetenv.c (__fesetenv):
Likewise.
* sysdeps/s390/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/sparc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/tile/math_private.h (__fesetenv): New inline function.
* sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv
and define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/generic/math_private.h (default_libc_fesetenv): Use
__fesetenv instead of fesetenv.
(libc_feresetround_noex_ctx): Likewise.
* sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/i386/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/powerpc/nofpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c
(__feupdateenv): Likewise.
* sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Likewise.
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mode.
* sysdeps/x86_64/fpu/fsetexcptflg.c (fesetexceptflag): Do not
clear whole mxcsr but only exceptions.
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2002-09-09 Jakub Jelinek <jakub@redhat.com>
* include/math.h (__finite_internal, __finitef_internal,
__finitel_internal, __isinf_internal, __isnan_internal): Remove.
(isfinite): Remove.
(__finite, __isinf, __isnan, __finitef, __isinff, __isnanf, __finitel,
__isinfl, __isnanl): Add hidden_proto.
(__fpclassify, __fpclassifyf, __fpclassifyl, __expm1l): Add
libm_hidden_proto.
* math/Makefile (libm-calls): Add s_isinf and s_isnan.
* stdio-common/printf_fp.c (__printf_fp): Remove INTUSE from
__is{inf,nan} calls.
* stdio-common/printf_size.c (printf_size): Likewise.
* sysdeps/generic/printf_fphex.c (__printf_fphex): Likewise.
* sysdeps/generic/s_ldexp.c (__ldexp): Likewise.
* sysdeps/generic/s_ldexpf.c (__ldexpf): Likewise.
* sysdeps/generic/s_ldexpl.c (__ldexpl): Likewise.
* sysdeps/generic/s_expm1l.c (__expm1l): Add libm_hidden_def.
* sysdeps/i386/fpu/s_finite.S (__finite_internal): Remove alias.
(__finite): Add hidden_def.
* sysdeps/i386/fpu/s_finitef.S (__finitef_internal): Remove alias.
(__finitef): Add hidden_def.
* sysdeps/i386/fpu/s_finitel.S (__finitel_internal): Remove alias.
(__finitel): Add hidden_def.
* sysdeps/i386/fpu/s_isinfl.c (__isinfl): Remove INTDEF. Add
hidden_def.
* sysdeps/i386/fpu/s_isnanl.c (__isnanl): Likewise.
* sysdeps/i386/fpu/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/i386/fpu/s_expm1l.S (__expm1l): Likewise.
* sysdeps/ieee754/dbl-64/s_finite.c (__finite): Remove INTDEF. Add
hidden_def.
* sysdeps/ieee754/dbl-64/s_isinf.c (__isinf): Likewise.
(__isinfl): Remove INTDEF.
* sysdeps/ieee754/dbl-64/s_isnan.c (__isnan): Remove INTDEF. Add
hidden_def.
(__isnanl): Remove INTDEF.
* sysdeps/ieee754/dbl-64/s_fpclassify.c (__fpclassify): Add
libm_hidden_def.
* sysdeps/ieee754/dbl-64/e_lgamma_r.c (sin_pi): Use __sin and __cos
instead of sin and cos.
* sysdeps/ieee754/flt-32/s_finitef.c (__finitef): Remove INTDEF.
Add hidden_def.
* sysdeps/ieee754/flt-32/s_isinff.c (__isinff): Likewise.
* sysdeps/ieee754/flt-32/s_isnanf.c (__isnanf): Likewise.
* sysdeps/ieee754/flt-32/s_fpclassifyf.c (__fpclassifyf): Add
libm_hidden_def.
* sysdeps/ieee754/ldbl-128/s_finitel.c (__finitel): Remove INTDEF.
Add hidden_def.
* sysdeps/ieee754/ldbl-128/s_isinfl.c (__isinfl): Likewise.
* sysdeps/ieee754/ldbl-128/s_isnanl.c (__isnanl): Likewise.
* sysdeps/ieee754/ldbl-128/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Add
libm_hidden_def.
* sysdeps/ieee754/ldbl-96/s_finitel.c (__finitel): Remove INTDEF.
Add hidden_def.
* sysdeps/ieee754/ldbl-96/s_isinfl.c (__isinfl): Likewise.
* sysdeps/ieee754/ldbl-96/s_isnanl.c (__isnanl): Likewise.
* sysdeps/ieee754/ldbl-96/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/ia64/fpu/s_finite.S (__finite_internal, __finitef_internal,
__finitel_internal): Remove aliases.
(__finite, __finitef, __finitel): Add hidden_def.
* sysdeps/ia64/fpu/s_isnan.S (__isnan_internal, __isnanf_internal,
__isnanl_internal): Remove aliases.
(__isnan, __isnanf, __isnanl): Add hidden_def.
* sysdeps/ia64/fpu/s_isinf.S (__isinf_internal, __isinff_internal,
__isinfl_internal): Remove aliases.
(__isinf, __isinff, __isinfl): Add hidden_def.
* sysdeps/ia64/fpu/s_fpclassify.S (__fpclassify, __fpclassifyf,
__fpclassifyl): Add libm_hidden_def.
* sysdeps/ia64/fpu/s_expm1l.S (__expm1l): Likewise.
* sysdeps/m68k/s_isinfl.c (__isinfl): Remove INTDEF. Add hidden_def.
* sysdeps/m68k/fpu/s_isinf.c (INTDEFX): Remove.
(hidden_defx): Define and use.
* sysdeps/m68k/fpu/s_fpclassifyl.c (__fpclassifyl): Add
libm_hidden_def.
* sysdeps/m68k/fpu/s_expm1l.c (__expm1l): Likewise.
* sysdeps/m68k/s_isnanl.c (__isnanl): Add hidden_def.
* sysdeps/powerpc/fpu/s_isnan.c (__isnan, __isnanf, __isnanl):
Remove INTDEF.
(__isnan, __isnanf): Add hidden_def.
* sysdeps/x86_64/fpu/s_finitel.S (__finitel_internal): Remove alias.
(__finitel): Add libm_hidden_def.
* sysdeps/x86_64/fpu/s_expm1l.S (__expm1l): Likewise.
* include/fenv.h (feraiseexcept, fesetenv): Add libm_hidden_proto.
* sysdeps/alpha/fpu/fesetenv.c (fesetenv): Add libm_hidden_ver.
* sysdeps/alpha/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/arm/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/arm/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/generic/fesetenv.c (fesetenv): Likewise.
* sysdeps/generic/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/i386/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/i386/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/m68k/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/m68k/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/mips/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/mips/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/powerpc/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/powerpc/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/sparc/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/sparc/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/hppa/fpu/fesetenv.c (fesetenv): Add libm_hidden_def.
* sysdeps/hppa/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/ia64/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/ia64/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/sh/sh4/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/s390/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/s390/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/x86_64/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
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* sysdeps/unix/sysv/linux/x86_64/Makefile: New file.
* sysdeps/unix/sysv/linux/x86_64/Versions: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/mman.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/stat.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/statfs.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/time.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/types.h: New file.
* sysdeps/unix/sysv/linux/x86_64/brk.c: New file.
* sysdeps/unix/sysv/linux/x86_64/clone.S: New file.
* sysdeps/unix/sysv/linux/x86_64/fstatfs64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/ftruncate64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/fxstat.c: New file.
* sysdeps/unix/sysv/linux/x86_64/fxstat64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/getdents.c: New file.
* sysdeps/unix/sysv/linux/x86_64/getdents64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/getrlimit64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/gettimeofday.c: New file.
* sysdeps/unix/sysv/linux/x86_64/glob64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/lxstat.c: New file.
* sysdeps/unix/sysv/linux/x86_64/lxstat64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/mmap64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/pread64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/profil-counter.h: New file.
* sysdeps/unix/sysv/linux/x86_64/pwrite64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/readdir.c: New file.
* sysdeps/unix/sysv/linux/x86_64/readdir64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/readdir64_r.c: New file.
* sysdeps/unix/sysv/linux/x86_64/readdir_r.c: New file.
* sysdeps/unix/sysv/linux/x86_64/recv.c: New file.
* sysdeps/unix/sysv/linux/x86_64/register-dump.h: New file.
* sysdeps/unix/sysv/linux/x86_64/send.c: New file.
* sysdeps/unix/sysv/linux/x86_64/setrlimit64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: New file.
* sysdeps/unix/sysv/linux/x86_64/sigcontextinfo.h: New file.
* sysdeps/unix/sysv/linux/x86_64/sigpending.c: New file.
* sysdeps/unix/sysv/linux/x86_64/sigprocmask.c: New file.
* sysdeps/unix/sysv/linux/x86_64/sigsuspend.c: New file.
* sysdeps/unix/sysv/linux/x86_64/statfs64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/sys/perm.h: New file.
* sysdeps/unix/sysv/linux/x86_64/sys/procfs.h: New file.
* sysdeps/unix/sysv/linux/x86_64/sys/reg.h: New file.
* sysdeps/unix/sysv/linux/x86_64/sys/ucontext.h: New file.
* sysdeps/unix/sysv/linux/x86_64/sys/user.h: New file.
* sysdeps/unix/sysv/linux/x86_64/syscall.S: New file.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list: New file.
* sysdeps/unix/sysv/linux/x86_64/sysdep.S: New file.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: New file.
* sysdeps/unix/sysv/linux/x86_64/time.c: New file.
* sysdeps/unix/sysv/linux/x86_64/truncate64.c: New file.
* sysdeps/unix/sysv/linux/x86_64/umount.c: New file.
* sysdeps/unix/sysv/linux/x86_64/vfork.S: New file.
* sysdeps/unix/sysv/linux/x86_64/xstat.c: New file.
* sysdeps/unix/sysv/linux/x86_64/xstat64.c: New file.
* sysdeps/unix/x86_64/sysdep.S: New file.
* sysdeps/unix/x86_64/sysdep.h: New file.
* sysdeps/x86_64/Implies: New file.
* sysdeps/x86_64/Makefile: New file.
* sysdeps/x86_64/Versions: New file.
* sysdeps/x86_64/__longjmp.S: New file.
* sysdeps/x86_64/abort-instr.h: New file.
* sysdeps/x86_64/atomicity.h: New file.
* sysdeps/x86_64/bits/endian.h: New file.
* sysdeps/x86_64/bits/setjmp.h: New file.
* sysdeps/x86_64/bits/string.h: New file.
* sysdeps/x86_64/bp-asm.h: New file.
* sysdeps/x86_64/bsd-_setjmp.S: New file.
* sysdeps/x86_64/bsd-setjmp.S: New file.
* sysdeps/x86_64/dl-machine.h: New file.
* sysdeps/x86_64/elf/initfini.c: New file.
* sysdeps/x86_64/elf/start.S: New file.
* sysdeps/x86_64/ffs.c: New file.
* sysdeps/x86_64/ffsll.c: New file.
* sysdeps/x86_64/fpu/bits/fenv.h: New file.
* sysdeps/x86_64/fpu/bits/mathdef.h: New file.
* sysdeps/x86_64/fpu/e_acosl.c: New file.
* sysdeps/x86_64/fpu/e_atan2l.c: New file.
* sysdeps/x86_64/fpu/e_exp2l.S: New file.
* sysdeps/x86_64/fpu/e_expl.c: New file.
* sysdeps/x86_64/fpu/e_fmodl.S: New file.
* sysdeps/x86_64/fpu/e_log10l.S: New file.
* sysdeps/x86_64/fpu/e_log2l.S: New file.
* sysdeps/x86_64/fpu/e_logl.S: New file.
* sysdeps/x86_64/fpu/e_powl.S: New file.
* sysdeps/x86_64/fpu/e_rem_pio2l.c: New file.
* sysdeps/x86_64/fpu/e_scalbl.S: New file.
* sysdeps/x86_64/fpu/e_sqrtl.c: New file.
* sysdeps/x86_64/fpu/fclrexcpt.c: New file.
* sysdeps/x86_64/fpu/fedisblxcpt.c: New file.
* sysdeps/x86_64/fpu/feenablxcpt.c: New file.
* sysdeps/x86_64/fpu/fegetenv.c: New file.
* sysdeps/x86_64/fpu/fegetexcept.c: New file.
* sysdeps/x86_64/fpu/fegetround.c: New file.
* sysdeps/x86_64/fpu/feholdexcpt.c: New file.
* sysdeps/x86_64/fpu/fesetenv.c: New file.
* sysdeps/x86_64/fpu/fesetround.c: New file.
* sysdeps/x86_64/fpu/fgetexcptflg.c: New file.
* sysdeps/x86_64/fpu/fraiseexcpt.c: New file.
* sysdeps/x86_64/fpu/fsetexcptflg.c: New file.
* sysdeps/x86_64/fpu/ftestexcept.c: New file.
* sysdeps/x86_64/fpu/libm-test-ulps: New file.
* sysdeps/x86_64/fpu/math_ldbl.h: New file.
* sysdeps/x86_64/fpu/printf_fphex.c: New file.
* sysdeps/x86_64/fpu/s_atanl.c: New file.
* sysdeps/x86_64/fpu/s_cosl.S: New file.
* sysdeps/x86_64/fpu/s_expm1l.S: New file.
* sysdeps/x86_64/fpu/s_fpclassifyl.c: New file.
* sysdeps/x86_64/fpu/s_isinfl.c: New file.
* sysdeps/x86_64/fpu/s_isnanl.c: New file.
* sysdeps/x86_64/fpu/s_log1pl.S: New file.
* sysdeps/x86_64/fpu/s_logbl.c: New file.
* sysdeps/x86_64/fpu/s_nextafterl.c: New file.
* sysdeps/x86_64/fpu/s_nexttoward.c: New file.
* sysdeps/x86_64/fpu/s_nexttowardf.c: New file.
* sysdeps/x86_64/fpu/s_rintl.c: New file.
* sysdeps/x86_64/fpu/s_significandl.c: New file.
* sysdeps/x86_64/fpu/s_sincosl.S: New file.
* sysdeps/x86_64/fpu/s_sinl.S: New file.
* sysdeps/x86_64/fpu/s_tanl.S: New file.
* sysdeps/x86_64/gmp-mparam.h: New file.
* sysdeps/x86_64/hp-timing.c: New file.
* sysdeps/x86_64/hp-timing.h: New file.
* sysdeps/x86_64/htonl.S: New file.
* sysdeps/x86_64/memusage.h: New file.
* sysdeps/x86_64/setjmp.S: New file.
* sysdeps/x86_64/soft-fp/sfp-machine.h: New file.
* sysdeps/x86_64/stackinfo.h: New file.
* sysdeps/x86_64/sysdep.h: New file.
* sysdeps/unix/sysv/linux/x86_64/ldd-rewrite.sed: New file.
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