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[BZ #15128] Ensure all argument passing registers are saved and
restored on entry to dynamic linker.
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As needed on x86.
* math/auto-libm-test-in: Mark some hypot tests no-test-inline.
* math/auto-libm-test-out: Regenerated.
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This patch fixes bug 16338, ldbl-128 logl not handling subnormals
(with consequent inaccuracy for lgammal as well). The fix is simply
to use __frexpl when determining the exponent, as done already in
log2l and log10l. Given the lack of testing of small arguments to any
of the log* functions, appropriate tests are added for all of them.
Tested x86_64 and x86 and ulps updated accordingly, and spot tests
also run for mips64 to confirm the ldbl-128 fix.
Note that while this fixes lgammal inaccuracy for small positive
arguments, I suspect that there will still be problems with spurious
underflows in that case.
* sysdeps/ieee754/ldbl-128/e_logl.c (__ieee754_logl): Use __frexpl
to determine exponent and adjust argument to have exponent of -1.
* math/auto-libm-test-in: Add more tests of log, log10, log1p and
log2.
* math/auto-libm-test-out: Regenerated.
* sysdeps/x86_64/fpu/libm-test-ulps: Update.
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In probes documentation we described what happens when PER_THREAD is
disabled which is now not relevant.
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The SSE4.2 have been removed from x86_64 by commit 584b18eb. This patch
fixes the build on i686, which attempts to use the removed files.
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This is needed for version-3 tz-format files; it supports time
stamps past 2037 for America/Godthab (the only entry in the tz
database for which this change is relevant).
* manual/time.texi (TZ Variable): Document transition times
from -167:59:59 through -00:00:01.
* time/tzset.c (tz_rule): Time of day is now signed.
(__tzset_parse_tz): Parse negative time of day.
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* manual/time.texi (TZ Variable): Document transition times from
25:00:00 through 167:59:59. These are already supported, and this
support will help with version-3 tz-format files.
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to reflect current (i.e., 2007-and-later) daylight saving rules.
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ChangeLog:
2013-12-16 Will Newton <will.newton@linaro.org>
* manual/memory.texi (Malloc Examples): Mention aligned_alloc.
(Aligned Memory Blocks): Add documentation for aligned_alloc
and suggest it as an alternative to posix_memalign.
(Hooks for Malloc): Document __memalign_hook is also called
for aligned_alloc. (Summary of Malloc): Add summary for
aligned alloc. Document __memalign_hook is also called
for aligned_alloc.
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The current documentation suggests using memalign and valloc which
are now considered obsolete, so suggest using posix_memalign instead.
Also document the possible error return and errno values for memalign
and posix_memalign and improve documentation of __memalign_hook.
ChangeLog:
2013-12-16 Will Newton <will.newton@linaro.org>
* manual/memory.texi (Malloc Examples): Clarify default
alignment documentation. Suggest posix_memalign rather
than memalign or valloc.
(Aligned Memory Blocks): Remove suggestion to use memalign
or valloc. Remove obsolete comment about BSD.
Document memalign errno values and mark the function obsolete.
Document posix_memalign returned error codes. Mark valloc
as obsolete. (Hooks for Malloc): __memalign_hook is also
called for posix_memalign and valloc.
(Summary of Malloc): Add posix_memalign to function summary.
__memalign_hook is also called for posix_memalign and valloc.
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- Remove redundant mynumber union definitions
- Clean up a clumsy ternary operator
- Rename TAYLOR_SINCOS to TAYLOR_SIN since we're only expanding the
sin Taylor series in it.
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Fixes build issue introduced in 8894bad3 when configure.ac is altered
and maintainer-mode is not enabled.
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File name update missed in commit 584b18eb.
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Autoconf is tested for and run if needed only when --enable-maintainer-mode
is used on configure. This results in the autom4te.cache directory only
being written in the source directory during configure if automatic
autoconf usage is requested.
Fixes BZ #14120.
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Provide an example systemd unit and tmpfile for running nscd.
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A sse42 version of strstr used pcmpistr instruction which is quite
ineffective. A faster way is look for pairs of characters which is uses
sse2, is faster than pcmpistr and for real strings a pairs we look for
are relatively rare.
For linear time complexity we use buy or rent technique which switches
to two-way algorithm when superlinear behaviour is detected.
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This patch adds Implies files on multiarch folder for POWER chips so
multirach is enabled when building with --with-cpu and powerN
option.
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For PPC64, all the wrappers at sysdeps are superfluous: they are
basically the same implementation from math/w_sqrt.c with the
'#ifdef _IEEE_LIBM'. And the power4 version just force the 'fsqrt'
instruction utilization with an inline assembly, which is already
handled by math_private.h __ieee754_sqrt implementation.
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