external/glibc.git
11 years agoFix casinh inaccuracy for argument with imaginary part 1 (bug 15287).
Joseph Myers [Thu, 21 Mar 2013 10:27:10 +0000 (10:27 +0000)]
Fix casinh inaccuracy for argument with imaginary part 1 (bug 15287).

11 years agoReplace 8388608.0 with HALFRAD in mp code
Siddhesh Poyarekar [Thu, 21 Mar 2013 07:37:44 +0000 (13:07 +0530)]
Replace 8388608.0 with HALFRAD in mp code

Minor cleanup

11 years agoUse LIBC_CONFIG_VAR for MIPS default-abi setting.
Joseph Myers [Thu, 21 Mar 2013 00:41:56 +0000 (00:41 +0000)]
Use LIBC_CONFIG_VAR for MIPS default-abi setting.

11 years agoUse LIBC_CONFIG_VAR for ARM default-abi setting.
Joseph Myers [Wed, 20 Mar 2013 23:15:42 +0000 (23:15 +0000)]
Use LIBC_CONFIG_VAR for ARM default-abi setting.

11 years agoMove system-specific settings out of toplevel configure.in and config.make.in.
Joseph Myers [Wed, 20 Mar 2013 22:37:06 +0000 (22:37 +0000)]
Move system-specific settings out of toplevel configure.in and config.make.in.

11 years agoBZ#14812: Add missing N_ markers in localedef.
Roland McGrath [Wed, 20 Mar 2013 21:26:58 +0000 (14:26 -0700)]
BZ#14812: Add missing N_ markers in localedef.

11 years agoAdd bug 14176 to NEWS.
Joseph Myers [Wed, 20 Mar 2013 20:21:24 +0000 (20:21 +0000)]
Add bug 14176 to NEWS.

11 years agoBZ#14812: Mark fixed in NEWS.
Roland McGrath [Wed, 20 Mar 2013 20:11:51 +0000 (13:11 -0700)]
BZ#14812: Mark fixed in NEWS.

11 years agoChangeLog format fix.
Roland McGrath [Wed, 20 Mar 2013 20:11:10 +0000 (13:11 -0700)]
ChangeLog format fix.

11 years agoCorrect missed use of $(rtlddir).
Marcus Shawcroft [Wed, 20 Mar 2013 14:23:09 +0000 (14:23 +0000)]
Correct missed use of $(rtlddir).

11 years agoDo not warn about mblen, mbtowc and wctomb unused result.
Ondrej Bilka [Wed, 20 Mar 2013 07:08:27 +0000 (08:08 +0100)]
Do not warn about mblen, mbtowc and wctomb unused result.

11 years agoConsolidate Linux and POSIX libc_fatal code.
Roland McGrath [Wed, 20 Mar 2013 00:07:15 +0000 (17:07 -0700)]
Consolidate Linux and POSIX libc_fatal code.

11 years agoFix types of constants in k_casinh*.c.
Joseph Myers [Tue, 19 Mar 2013 22:38:25 +0000 (22:38 +0000)]
Fix types of constants in k_casinh*.c.

11 years agoAdjust ChangeLog to give Benno Schulenberg his own header line.
Roland McGrath [Tue, 19 Mar 2013 21:57:54 +0000 (14:57 -0700)]
Adjust ChangeLog to give Benno Schulenberg his own header line.

11 years agoaarch64: Move rtld link to /lib
Andreas Schwab [Tue, 19 Mar 2013 09:14:16 +0000 (10:14 +0100)]
aarch64: Move rtld link to /lib

11 years agos390x: Move rtld link to /lib
Andreas Schwab [Tue, 19 Mar 2013 09:13:46 +0000 (10:13 +0100)]
s390x: Move rtld link to /lib

11 years agoAdd support for rtld directory different from slib directory
Andreas Schwab [Mon, 18 Mar 2013 11:44:47 +0000 (12:44 +0100)]
Add support for rtld directory different from slib directory

11 years agoFix up ChangeLog
Siddhesh Poyarekar [Tue, 19 Mar 2013 09:30:08 +0000 (15:00 +0530)]
Fix up ChangeLog

I forgot to fix up the ChangeLog after renaming __default_attr to
__default_pthread_attr in code.

11 years agoMove __default_stacksize into __default_pthread_attr
Siddhesh Poyarekar [Tue, 19 Mar 2013 09:04:13 +0000 (14:34 +0530)]
Move __default_stacksize into __default_pthread_attr

Make __default_pthread_attr object to store default attribute values
for threads.

11 years agoRename nptl.texi to threads.texi
Siddhesh Poyarekar [Tue, 19 Mar 2013 08:58:03 +0000 (14:28 +0530)]
Rename nptl.texi to threads.texi

The manual and its file names are about interfaces and not the
implementation details.

11 years agoARM: Make dl-tlsdesc.S use sfi_breg, respect ARM_ALWAYS_BX and ARM_NO_INDEX_REGISTER.
Roland McGrath [Mon, 18 Mar 2013 22:00:44 +0000 (15:00 -0700)]
ARM: Make dl-tlsdesc.S use sfi_breg, respect ARM_ALWAYS_BX and ARM_NO_INDEX_REGISTER.

11 years agoBZ#14812: Add missing translation marker on some argp option argument names in utilities.
Roland McGrath [Mon, 18 Mar 2013 21:18:53 +0000 (14:18 -0700)]
BZ#14812: Add missing translation marker on some argp option argument names in utilities.

11 years agoRename some static variables
Siddhesh Poyarekar [Mon, 18 Mar 2013 08:14:05 +0000 (13:44 +0530)]
Rename some static variables

Rename some static variables to give them unique names.

11 years agoAdd changelog entry.
Ondrej Bilka [Mon, 18 Mar 2013 06:47:45 +0000 (07:47 +0100)]
Add changelog entry.

11 years agoFaster strlen on x64.
Ondrej Bilka [Mon, 18 Mar 2013 06:39:12 +0000 (07:39 +0100)]
Faster strlen on x64.

11 years agoMove BZ#11261 from 2.18 to 2.16 bug list.
Carlos O'Donell [Sun, 17 Mar 2013 22:39:28 +0000 (18:39 -0400)]
Move BZ#11261 from 2.18 to 2.16 bug list.

BZ#11261 was fixed in the 2.16 release even if we only found out
that it was fixed in the 2.18 release. Testing shows it is fixed
in the 2.16 release so we add it to that NEWS section.

11 years agomanual: Sort mallopt M_* parameters alphabetically
Carlos O'Donell [Sun, 17 Mar 2013 20:03:02 +0000 (16:03 -0400)]
manual: Sort mallopt M_* parameters alphabetically

Sort the mallopt M_* parameters alphabetically and add comments for the
missing paramters.

11 years agoBZ#11261 fixed by previous commit.
Carlos O'Donell [Thu, 14 Mar 2013 19:08:39 +0000 (15:08 -0400)]
BZ#11261 fixed by previous commit.

Fixed by 41b81892f11fe1353123e892158b53de73863d62.

Verified fixed by using test case in BZ#11261.

11 years agoUpdate Sparc ULPs.
David S. Miller [Sun, 17 Mar 2013 15:38:10 +0000 (08:38 -0700)]
Update Sparc ULPs.

* sysdeps/sparc/fpu/libm-test-ulps: Update.

11 years agoFix y1l spurious overflows for ldbl-96 (bug 15283).
Joseph Myers [Sat, 16 Mar 2013 17:51:48 +0000 (17:51 +0000)]
Fix y1l spurious overflows for ldbl-96 (bug 15283).

11 years agoFix spurious underflow exceptions for Bessel functions for ldbl-128 / ldbl-128ibm...
Joseph Myers [Sat, 16 Mar 2013 17:50:28 +0000 (17:50 +0000)]
Fix spurious underflow exceptions for Bessel functions for ldbl-128 / ldbl-128ibm (bug 14155).

11 years agoMove "-sNaN" value into a separate variable.
Thomas Schwinge [Fri, 15 Mar 2013 16:41:11 +0000 (17:41 +0100)]
Move "-sNaN" value into a separate variable.

11 years agoClean up _dl_pagesize initialization.
Roland McGrath [Fri, 15 Mar 2013 21:35:17 +0000 (14:35 -0700)]
Clean up _dl_pagesize initialization.

11 years agoMove _dl_non_dynamic_init, _dl_aux_init declarations.
Roland McGrath [Fri, 15 Mar 2013 21:32:04 +0000 (14:32 -0700)]
Move _dl_non_dynamic_init, _dl_aux_init declarations.

11 years ago * math/libm-test.inc (ldexp_test): Add missing START/END markers.
Thomas Schwinge [Fri, 8 Mar 2013 08:50:38 +0000 (09:50 +0100)]
* math/libm-test.inc (ldexp_test): Add missing START/END markers.

11 years agoPromote a math test for sNaN handling to the top-level.
Thomas Schwinge [Thu, 28 Feb 2013 21:38:23 +0000 (22:38 +0100)]
Promote a math test for sNaN handling to the top-level.

11 years agoUse GCC's builtins for generating NaNs.
Thomas Schwinge [Thu, 28 Feb 2013 21:30:18 +0000 (22:30 +0100)]
Use GCC's builtins for generating NaNs.

11 years agoAdd one test, removed a duplicated one, add a few comments about missing tests.
Thomas Schwinge [Fri, 1 Mar 2013 13:19:59 +0000 (14:19 +0100)]
Add one test, removed a duplicated one, add a few comments about missing tests.

11 years agoBetter distinguish between NaN/qNaN/sNaN.
Thomas Schwinge [Thu, 28 Feb 2013 16:12:25 +0000 (17:12 +0100)]
Better distinguish between NaN/qNaN/sNaN.

11 years agoEnable tests for x86_64, too, which currently are enabled only for x86.
Thomas Schwinge [Thu, 21 Feb 2013 20:29:37 +0000 (21:29 +0100)]
Enable tests for x86_64, too, which currently are enabled only for x86.

11 years agoFix copy'n'pastos.
Thomas Schwinge [Thu, 28 Feb 2013 12:03:37 +0000 (13:03 +0100)]
Fix copy'n'pastos.

11 years agoRemove unused declarations.
Thomas Schwinge [Thu, 21 Feb 2013 18:44:29 +0000 (19:44 +0100)]
Remove unused declarations.

Added in commit f83af095b6fc49de3914f4426202171341783277, and forgotten to be
removed in commit 76f2646f3dbe45d3ed53a0c73fa52f1595306b35.

11 years agoAvoid duplicate MAP_ANONYMOUS definition for MIPS GNU/Linux.
Thomas Schwinge [Mon, 11 Mar 2013 11:44:39 +0000 (12:44 +0100)]
Avoid duplicate MAP_ANONYMOUS definition for MIPS GNU/Linux.

Follow-up to commit 664a9ce4ca40feabff781fff044c93a43ae15b59.

11 years agoRevert configurable mantissa patch
Siddhesh Poyarekar [Fri, 15 Mar 2013 17:41:50 +0000 (23:11 +0530)]
Revert configurable mantissa patch

Reverts d22ca8cdfb98001d03772ef264b244930d439b3f

since it is severely broken on 32-bit.

11 years agoReverting wrong commit.
Adhemerval Zanella [Fri, 15 Mar 2013 17:38:20 +0000 (14:38 -0300)]
Reverting wrong commit.

Restore sysdeps/gnu/configure wrongly modified on
ef26eece6331a1f6d959818e37c438cc7ce68e53.

11 years agoARM: sfi_sp assembler macro
Roland McGrath [Fri, 15 Mar 2013 16:32:16 +0000 (09:32 -0700)]
ARM: sfi_sp assembler macro

11 years agoARM: sfi_breg assembler macro
Roland McGrath [Fri, 15 Mar 2013 16:31:56 +0000 (09:31 -0700)]
ARM: sfi_breg assembler macro

11 years agoPowerPC: gettimeofday optimization by using IFUNC
Adhemerval Zanella [Fri, 15 Mar 2013 13:58:56 +0000 (10:58 -0300)]
PowerPC: gettimeofday optimization by using IFUNC

11 years agoFramework for performance benchmarking of functions
Siddhesh Poyarekar [Fri, 15 Mar 2013 07:00:03 +0000 (12:30 +0530)]
Framework for performance benchmarking of functions

See benchtests/Makefile to know how to use it.

11 years agoMake mantissa type configurable
Siddhesh Poyarekar [Fri, 15 Mar 2013 05:14:03 +0000 (10:44 +0530)]
Make mantissa type configurable

This allows the default mantissa to be integral, with powerpc
overriding it to take advantage of its FPUs.

11 years agoModify threads in nptl cindex to pthreads
Siddhesh Poyarekar [Fri, 15 Mar 2013 03:58:54 +0000 (09:28 +0530)]
Modify threads in nptl cindex to pthreads

11 years agoRegenerate sysdeps/x86_64/preconfigure.
Joseph Myers [Fri, 15 Mar 2013 01:18:32 +0000 (01:18 +0000)]
Regenerate sysdeps/x86_64/preconfigure.

11 years agoFix spurious underflow exceptions for Bessel functions for double (bug 14155).
Joseph Myers [Thu, 14 Mar 2013 17:47:30 +0000 (17:47 +0000)]
Fix spurious underflow exceptions for Bessel functions for double (bug 14155).

11 years agoaarch64: use lib64 as default lib and slib directory
Andreas Schwab [Fri, 8 Feb 2013 18:17:58 +0000 (19:17 +0100)]
aarch64: use lib64 as default lib and slib directory

11 years agoAdd nptl manual chapter
Siddhesh Poyarekar [Thu, 14 Mar 2013 07:07:42 +0000 (12:37 +0530)]
Add nptl manual chapter

This adds the base chapter for POSIX threads and also documentation
for thread-specific data, along with a note on its interaction with
C++11 thread_local variables.

11 years agoFix formatting in last change
Siddhesh Poyarekar [Thu, 14 Mar 2013 02:48:48 +0000 (08:18 +0530)]
Fix formatting in last change

11 years agoFix __times() handling of EFAULT when buf is NULL
Petr Baudis [Thu, 14 Mar 2013 00:16:53 +0000 (01:16 +0100)]
Fix __times() handling of EFAULT when buf is NULL

11 years agoARM_BX_ALIGN_LOG2
Roland McGrath [Wed, 13 Mar 2013 19:36:53 +0000 (12:36 -0700)]
ARM_BX_ALIGN_LOG2

11 years agoARM: Handle ARM_ALWAYS_BX in {add,sub}_n.S code.
Roland McGrath [Wed, 13 Mar 2013 16:51:37 +0000 (09:51 -0700)]
ARM: Handle ARM_ALWAYS_BX in {add,sub}_n.S code.

11 years agoARM: Support avoiding pc as destination register.
Roland McGrath [Wed, 13 Mar 2013 16:40:55 +0000 (09:40 -0700)]
ARM: Support avoiding pc as destination register.

11 years agoDon't build .os objects of static-only-routines for extra libs
Andreas Schwab [Mon, 11 Mar 2013 14:47:03 +0000 (15:47 +0100)]
Don't build .os objects of static-only-routines for extra libs

11 years agoInclude atomic.h in generic lowlevellock.c.
Carlos O'Donell [Wed, 13 Mar 2013 03:23:01 +0000 (23:23 -0400)]
Include atomic.h in generic lowlevellock.c.

11 years agoUpdate zic from tzcode 2013b.
Joseph Myers [Wed, 13 Mar 2013 01:54:00 +0000 (01:54 +0000)]
Update zic from tzcode 2013b.

11 years agoRemove mention of i386-pc-linux-gnu.
Carlos O'Donell [Wed, 13 Mar 2013 01:25:40 +0000 (21:25 -0400)]
Remove mention of i386-pc-linux-gnu.

The GNU C Library does not support building for i386
therefore we remove mention of this configuration
from the INSTALL file.

11 years agoARM: Make armv6t2 memchr implementation usable without Thumb.
Roland McGrath [Tue, 12 Mar 2013 17:03:56 +0000 (10:03 -0700)]
ARM: Make armv6t2 memchr implementation usable without Thumb.

11 years agoARM: Change register allocation in armv6t2 memchr implementation.
Roland McGrath [Tue, 12 Mar 2013 17:00:53 +0000 (10:00 -0700)]
ARM: Change register allocation in armv6t2 memchr implementation.

11 years agoAdd sysdeps/init_array to produce empty crt[in].o and use .preinit_array for gcrt1.o
Roland McGrath [Tue, 12 Mar 2013 19:47:36 +0000 (12:47 -0700)]
Add sysdeps/init_array to produce empty crt[in].o and use .preinit_array for gcrt1.o

11 years agoFix up log entry.
Roland McGrath [Tue, 12 Mar 2013 19:49:13 +0000 (12:49 -0700)]
Fix up log entry.

11 years agoia64: fix set-but-unused warnings with syscalls
Mike Frysinger [Mon, 11 Mar 2013 01:22:12 +0000 (01:22 +0000)]
ia64: fix set-but-unused warnings with syscalls

These macros often set up a variable that later macros sometimes do
not use.  Add unused attribute to avoid that.

Similarly, the ia64 code tends to check the err field rather than
the val (which is opposite of most arches) leading to the same
kind of warning.  Replace this with a dummy reference.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
11 years agoia64: fix strict aliasing warnings with libm error
Mike Frysinger [Mon, 11 Mar 2013 01:20:39 +0000 (01:20 +0000)]
ia64: fix strict aliasing warnings with libm error

The current code declares double constants by using a char buffer and
then casting the pointer to a different type.  This makes the aliasing
logic unhappy.  Change it to use a union instead to avoid that.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
11 years agoia64: fix strict aliasing warnings with func descriptors
Mike Frysinger [Sun, 10 Mar 2013 11:49:29 +0000 (11:49 +0000)]
ia64: fix strict aliasing warnings with func descriptors

Function pointers on ia64 are like parisc -- they're plabels.  While
the parisc port enjoys a gcc builtin for extracting the address here,
ia64 has no such luck.

Casting & dereferencing in one go triggers a strict aliasing warning.
Use a union to fix that.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
11 years agoAdd comments about ARM configure -fno-unwind-tables handling.
Joseph Myers [Mon, 11 Mar 2013 23:55:55 +0000 (23:55 +0000)]
Add comments about ARM configure -fno-unwind-tables handling.

11 years agoARM: Consolidate setjmp details in include/bits/setjmp.h file.
Roland McGrath [Mon, 11 Mar 2013 23:45:25 +0000 (16:45 -0700)]
ARM: Consolidate setjmp details in include/bits/setjmp.h file.

11 years agoARM: Convert string/ assembly to unified syntax.
Roland McGrath [Mon, 11 Mar 2013 23:44:31 +0000 (16:44 -0700)]
ARM: Convert string/ assembly to unified syntax.

11 years agoARM: Use r10 instead of r9.
Roland McGrath [Mon, 11 Mar 2013 17:57:55 +0000 (10:57 -0700)]
ARM: Use r10 instead of r9.

11 years agoAM33: Use <bits/mman.h>
Andreas Jaeger [Mon, 11 Mar 2013 18:57:48 +0000 (19:57 +0100)]
AM33: Use <bits/mman.h>

11 years agoUse <bits/mman.h> on ia64
Andreas Jaeger [Mon, 11 Mar 2013 18:56:44 +0000 (19:56 +0100)]
Use <bits/mman.h> on ia64

11 years agoClean up ARM preconfigure.
Roland McGrath [Mon, 11 Mar 2013 16:26:43 +0000 (09:26 -0700)]
Clean up ARM preconfigure.

11 years agoRemove Prefer_SSE_for_memop on x64
Ondrej Bilka [Mon, 11 Mar 2013 14:39:08 +0000 (15:39 +0100)]
Remove Prefer_SSE_for_memop on x64

11 years agoRemove extra pthread_atfork compat symbols
Andreas Schwab [Tue, 5 Mar 2013 09:54:01 +0000 (10:54 +0100)]
Remove extra pthread_atfork compat symbols

11 years agoia64: makecontext: fix signed warnings
Mike Frysinger [Sun, 10 Mar 2013 22:53:15 +0000 (22:53 +0000)]
ia64: makecontext: fix signed warnings

The ia64_rse_is_rnat_slot func expects an unsigned pointer, but we're
passing in a signed pointer.  The signness doesn't matter here, so
convert it to unsigned.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
11 years agoia64: fix NEED_DL_SYSINFO_DSO conditionals
Mike Frysinger [Sun, 10 Mar 2013 11:48:40 +0000 (11:48 +0000)]
ia64: fix NEED_DL_SYSINFO_DSO conditionals

The recent change to clean up these defines missed the ia64 logic.
Update it accordingly.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
11 years agoSet LC_ALL=C before sed.
Paul Pluzhnikov [Sat, 9 Mar 2013 04:31:23 +0000 (20:31 -0800)]
Set LC_ALL=C before sed.

11 years agoAdd dependency tracking for preconfigure files.
Roland McGrath [Fri, 8 Mar 2013 22:31:33 +0000 (14:31 -0800)]
Add dependency tracking for preconfigure files.

11 years agoRemove __malloc_ptr_t.
Joseph Myers [Fri, 8 Mar 2013 21:27:42 +0000 (21:27 +0000)]
Remove __malloc_ptr_t.

11 years agoUse ISO C prototype for __default_morecore.
Joseph Myers [Fri, 8 Mar 2013 16:47:43 +0000 (16:47 +0000)]
Use ISO C prototype for __default_morecore.

11 years agoRemove __malloc_ptrdiff_t.
Joseph Myers [Fri, 8 Mar 2013 16:46:45 +0000 (16:46 +0000)]
Remove __malloc_ptrdiff_t.

11 years agoRemove __malloc_size_t.
Joseph Myers [Fri, 8 Mar 2013 16:46:07 +0000 (16:46 +0000)]
Remove __malloc_size_t.

11 years agoPowerPC: unify math_ldbl.h implementations
Adhemerval Zanella [Fri, 8 Mar 2013 14:07:15 +0000 (11:07 -0300)]
PowerPC: unify math_ldbl.h implementations

This patch removes redudant definition from PowerPC specific
math_ldbl, using the definitions from ieee754 math_ldbl.h.

11 years agoConsolidate copies of mp code in powerpc
Siddhesh Poyarekar [Fri, 8 Mar 2013 06:08:41 +0000 (11:38 +0530)]
Consolidate copies of mp code in powerpc

Retain a single copy of the mp code in power4 instead of the two
identical copies in powerpc32 and powerpc64.

11 years agoarm: Implement armv6 optimized string routines
Richard Henderson [Thu, 7 Mar 2013 17:07:51 +0000 (09:07 -0800)]
arm: Implement armv6 optimized string routines

The strcpy and strchr (and related) functions are four times faster
than the byte-by-byte default versions.

The strlen function is twice as fast for long strings and 50% faster
for short strings over the armv4 version.

11 years agoAARCH64: Use <bits/mman-linux.h>
Andreas Jaeger [Thu, 7 Mar 2013 14:28:54 +0000 (15:28 +0100)]
AARCH64: Use <bits/mman-linux.h>

* sysdeps/unix/sysv/linux/aarch64/bits/mman.h: Remove all
defines provided by bits/mman-linux.h and include <bits/mman-linux.h>.

11 years agoInstall <bits/mman-linux.h>
Andreas Jaeger [Thu, 7 Mar 2013 12:06:20 +0000 (13:06 +0100)]
Install <bits/mman-linux.h>

* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
bits/mman-linux.h.

11 years agoMerge powerpc slowexp.c into generic code
Siddhesh Poyarekar [Thu, 7 Mar 2013 07:55:02 +0000 (13:25 +0530)]
Merge powerpc slowexp.c into generic code

11 years agoMerge powerpc slowpow.c into generic code
Siddhesh Poyarekar [Thu, 7 Mar 2013 07:53:07 +0000 (13:23 +0530)]
Merge powerpc slowpow.c into generic code

11 years agoUse an intermediate variable to sum exponents in powerpc __mul and __sqr
Siddhesh Poyarekar [Thu, 7 Mar 2013 07:48:56 +0000 (13:18 +0530)]
Use an intermediate variable to sum exponents in powerpc __mul and __sqr

11 years agoUse generic mpa.c code for everything except __mul and __sqr
Siddhesh Poyarekar [Thu, 7 Mar 2013 06:53:29 +0000 (12:23 +0530)]
Use generic mpa.c code for everything except __mul and __sqr

11 years agoRemove PIPE_BUF Linux-specific code
Siddhesh Poyarekar [Thu, 7 Mar 2013 06:45:08 +0000 (12:15 +0530)]
Remove PIPE_BUF Linux-specific code

Fixes BZ #12723

The variable pipe buffer size does nothing to the value of PIPE_BUF,
since the number of bytes that are atomically written is still
PIPE_BUF on Linux.

11 years agoRevert " * sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation"
Ondrej Bilka [Wed, 6 Mar 2013 21:27:18 +0000 (22:27 +0100)]
Revert " * sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation"

This reverts commit b79188d71716b6286866e06add976fe84100595e.

11 years ago * sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation
Ondrej Bilka [Wed, 6 Mar 2013 20:41:32 +0000 (21:41 +0100)]
* sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation
which is faster on all x86_64 architectures.
Tested on AMD, Intel Nehalem, SNB, IVB.