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Fixes BZ #15337.
Static builds fail with the following warning:
/home/tools/glibc/glibc/nptl/../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:80:
undefined reference to `__GI___pthread_unwind'
When the source is configured with --disable-hidden-plt. This is
because the preprocessor conditional in cancellation.S only checks if
the build is for SHARED, whereas hidden_def is defined appropriately
only for a SHARED build that will have symbol versioning *and* hidden
defs are enabled. The last case is false here.
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Write output from the currently running benchmark into a temporary
file and move files around only once the current run is complete.
That way we don't lose data from the last two runs due to an
incomplete run.
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This will be useful when the benchmark has many functions.
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Add separate inputs for slow and fast paths of atan
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Minor cleanup to remove the macro TWO and use the value directly
instead.
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Fix BZ #15305.
On kernel versions earlier than 2.6.29, the Linux kernel exported a
sysctl called restrict_chown for xfs, which could be used to allow
chown to users other than the owner. 2.6.29 removed this support,
causing the open_not_cancel_2 to fail and thus modify errno. The fix
is to save and restore errno so that the caller sees it as unmodified.
Additionally, since the code to check the sysctl is not useful on
newer kernels, we add an ifdef so that in future the code block gets
rmeoved completely.
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Separate benchmarks for the fast and slow implementations of pow and
exp since measuring both together doesn't make sense. Adjust the
iterations for pow and exp accordingly so that they run long enough
for the measurements to be meaningful.
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It is based on draft TS 18661 and currently enabled as a GNU extension.
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The branch prediction hints is actually hurts performance in this case.
The assembly implementation make two assumptions: 1. 'fabs (x) < 2^52'
is unlikely and 2. 'x > 0.0' is unlike (if 1. is true). Since it a
general floating point function, expected input is not bounded and then
it is better to let the hardware handle the branches.
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* po/de.po: Update from translation team.
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I missed this instance, which caused a build failure in powerpc.
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The .eh_frame info in crt1.o isn't useful and this patch prevents it from
being generated on PowerPC. It triggers the following gold bug:
http://sourceware.org/bugzilla/show_bug.cgi?id=14675
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Fixes BZ #15304.
The *initgroups_dyn functions are called with a group argument. This
group gid is usually skipped while populating the grouplist since the
caller adds that group id in advance.
The hesiod initgroups_dyn implementation however adds the group gid to
the list if it does not already exist. While it works fine for the
usual initgroups, it breaks nscd since it calls initgroups_dyn with -1
as the gid (to have all groups included).
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The compiler is smart enough to convert those into double for powerpc,
but if we put them as doubles, it adds overhead by performing those
operations in floating point mode.
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The mantissa of mp_no is intended to take only integral values. This
is a relatively good choice for powerpc due to its 4 fpus, but not for
other architectures, which suffer due to this choice. This change
makes the default mantissa a long integer and allows powerpc to
override it. Additionally, some operations have been optimized for
integer manipulation, resulting in a significant improvement in
performance.
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* manual/arith.texi (Normalization Functions): Fix prototypes
for scalbn, scalbnf, scalbnl, scalbln, scalblnf, and scalblnl.
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* sysdeps/sparc/fpu/libm-test-ulps: Update.
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The patch increase the high value to check if expl overflows. Current
high mark value is not really correct, the algorithm accepts high values.
It also adds a correct wrapper function to check for overflow and underflow.
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Due to a typo repeated several times, this bug hasn't been fixed yet,
despite being marked as resolved in glibc 2.12.
* sysdeps/x86_64/strcmp.S: Replace all occurrences of NOT_IN_lib
with NOT_IN_libc.
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This patch fixes a sqrtl ABI issue when building for powerpc64.
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Follow-up to commit 495ded2c8c1eb8c0ac4b54add2dd397852e19cba.
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