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Truncate the file first so as to delete old entries and to lower ULPs
for tests that have improved.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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We don't want to record these test results as a good thing.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This patch fixes bug 16400, spurious underflow exceptions for ldbl-128
/ ldbl-128ibm lgammal with small positive arguments, by just using
-__logl (x) as the result in the problem cases (similar to the
previous fix for problems with small negative arguments).
Tested powerpc32, and also tested on mips64 that this does not require
ulps regeneration for the ldbl-128 case.
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c (__ieee754_lgammal_r):
Return -__logl (x) for small positive arguments without evaluating
a polynomial.
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This addresses a long standing collision between userspace headers and
kernel headers only on ia64 systems. All other types have a __ prefix
in the ptrace headers except these two. Let's finally namespace these.
Verified that at least strace still builds after this change, as well
as after deleting all the struct hacks it has specifically for ia64.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=762
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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All the other ptrace structures in this file have a __ prefix except this
new one. This in turn causes build problems for most packages that try to
use ptrace such as strace:
gcc -DHAVE_CONFIG_H -I. -I../.. -I../../linux/x86_64 -I../../linux \
-I./linux -Wall -Wwrite-strings -g -O2 -MT process.o -MD -MP \
-MF .deps/process.Tpo -c -o process.o ../../process.c
In file included from ../../process.c:63:0:
/usr/include/linux/ptrace.h:58:8: error: redefinition of 'struct ptrace_peeksiginfo_args'
struct ptrace_peeksiginfo_args {
^
In file included from ../../defs.h:159:0,
from ../../process.c:37:
/usr/include/sys/ptrace.h:191:8: note: originally defined here
struct ptrace_peeksiginfo_args
^
Since this struct was introduced in glibc-2.18, there shouldn't be any
real regressions with adding the __ prefix.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Update based on testing with GCC 4.8.1 on Intel i7
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The recent commit 7f507ee17aee720fa423fa38502bc3caa0dd03d7 added a new
local variable "offset" to tls_get_addr_tail. This conflicts with the
ia64 code which also declares an offset code inline in this func. So
have the ia64 code rename its local vars with a prefix that shouldn't
collide with anything else in the future.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Usage output for option --invalidate=TABLE is not helpful without
list of tables. The list is also missing from nscd(8) manual which
made it pretty difficult to know what are the tables.
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Reported-by: Joseph S. Myers <joseph@codesourcery.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This patch fixes bug 16390, incorrect signs of zero results from
ldbl-128ibm atan2l, soft-float only. The problem is a longstanding
GCC bug with fabsl not being correct for signed zero for soft float,
and the fix is using -fno-builtin-fabsl as a workaround, as already
done for various other source files. Tested powerpc-nofpu.
* sysdeps/powerpc/nofpu/Makefile [$(subdir) = math]
(CFLAGS-e_atan2l.c): Use -fno-builtin-fabsl.
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This patch fixes some compile warnings related to extra tokens at
end of #undef directive from multilib patchset.
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ChangeLog:
2014-01-03 Andrew Hunter <ahh@google.com>
* elf/dl-open.c (): New comment.
* elf/dl-reloc.c (_dl_try_allocate_static_tls): Use
atomic_compare_and_exchange_bool_acq
(_dl_allocate_static_tls): Block signals.
* elf/dl-tls.c (allocate_and_init): Return void.
(_dl_update_slotinfo): Block signals, use atomic update.
nptl/ChangeLog:
2014-01-03 Andrew Hunter <ahh@google.com>
* nptl/Makefile (tst-tls7): New test.
* nptl/tst-tls7.c: New file.
* nptl/tst-tls7mod.c: New file.
* nptl/allocatestack.c (init_one_static_tls): Use atomic barrier.
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This patch marks various libm tests with xfail-rounding:ldbl-128ibm,
where the failures appear to relate to GCC bug 59666 (bad libgcc
handling of directed rounding), so as to allow clean libm-test-ulps
regeneration without needing to edit out large ulps for various
functions manually.
Note that this only deals with the cases problematic for ulps
regeneration. There are plenty of test failures left that do not
affect ulps regeneration - results that are infinities or NaNs but
should be finite, or vice versa, and missing and spurious exceptions -
which should also be resolved during the release testing period.
Tested for powerpc32 (hard float).
* math/auto-libm-test-in: Mark various tests with
xfail-rounding:ldbl-128ibm.
* math/auto-libm-test-out: Regenerated.
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This patch fixes bug 16386, ldbl-128ibm logl inaccuracy (with
consequent inaccuracy for lgammal) for arguments where the high double
is subnormal, which showed up while attempting to regenerate ulps for
powerpc-nofpu for 2.19. The problem here is logic failing to allow
for subnormals when calculating the exponent of the argument. Tested
for powerpc-nofpu.
* sysdeps/ieee754/ldbl-128ibm/e_logl.c (__ieee754_logl): Adjust
numbers with subnormal high part when calculating exponent.
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This patch fixes bug 16385, ldbl-128ibm asinhl inaccuracy, which
showed up while attempting to regenerate ulps for powerpc-nofpu for
2.19. The problem here was use of fabs instead of fabsl meaning large
arguments were reduced to the precision of double. Tested for
powerpc-nofpu.
* sysdeps/ieee754/ldbl-128ibm/s_asinhl.c (__asinhl): Use fabsl not
fabs.
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This patch fixes bug 16384, ldbl-128ibm acoshl inaccuracy, which
showed up while attempting to regenerate ulps for powerpc-nofpu for
2.19. There were two separate problems, use of __log1p instead of
__log1pl and an insufficiently accurate constant value for log 2
(which this patch replaces by use of M_LN2l), each of which could
cause substantial inaccuracy in affected cases.
Tested for powerpc-nofpu.
* sysdeps/ieee754/ldbl-128ibm/e_acoshl.c (ln2): Initialize with
M_LN2l.
(__ieee754_acoshl): Use __log1pl not __log1p.
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nscd incorrectly returns a success even when the netgroup in question
is not found and adds a positive result in the cache. this patch
fixes this behaviour by adding a negative lookup entry to cache and
returning an error when the netgroup is not found.
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Currently, when a user looks up a netgroup that does not have any
members, nscd goes into an infinite loop trying to find members in the
group. This is because it does not handle cases when getnetgrent
returns an NSS_STATUS_NOTFOUND (which is what it does on empty group).
Fixed to handle this in the same way as NSS_STATUS_RETURN, similar to
what getgrent does by itself.
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Update copyright years that are not handled by scripts/update-copyright.
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Reported-by: Joseph S. Myers <joseph@codesourcery.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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We support older kernels that lack this header, so check for it
before we try to use it.
Reported-by: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Add a comprehensive number of inputs for all branches in sin and cos
computation, excluding the fast paths. This also adds a number of
inputs for the multiple precision slow paths.
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Add a more comprehensive set of inputs for the atan function. I have
also fixed the name on the multiple precision fallback inputs (I
couldn't find any new inputs there) to reflect the fact that the
fallback is only 144bits and not 768bits as I had earlier mentioned.
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Like sinh and cosh, this patch has benchmark inputs for asinh and
acosh, generated using a random number generator and spread over
significant branches, ignoring the fast return paths.
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Add a full set of inputs for sinh and cosh functions generated using a
random number generator and spreading it over all branches in the
function, ignoring the fast paths (i.e. immediate return for special
values).
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Add a comprehensive set of inputs for asin and acos functions,
including the multiple precision fallback path.
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The sp check has to be moved up to the start of the func since it now
makes a system call and that'll clobber a lot of registers.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16372
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The new tst-setjmp-fp test has been failing on IA64 because the setjmp
and longjmp helpers take care of saving/restoring the fpsr register.
Per the C standards, this is incorrect, so disable that logic.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16379
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Rather than opencode the __GI_xxx logic, use proper hidden helpers.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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