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2014-07-17ARM: Fix compiler warnings from atomic.hWill Newton
__arch_compare_and_exchange_bool_*_int return a boolean so in the dummy implementations for 8, 16 and 64 bits return zero rather than oldval. Zero is used rather than TRUE or FALSE to avoid needing to including any headers for these dummy functions. ChangeLog: 2014-07-17 Will Newton <will.newton@linaro.org> * sysdeps/arm/bits/atomic.h (__arch_compare_and_exchange_bool_8_int): Evaluate to zero. (__arch_compare_and_exchange_bool_16_int): Likewise. (__arch_compare_and_exchange_bool_64_int): Likewise.
2014-07-16ARM: Clean up EABI-related configuryRoland McGrath
2014-07-15Separate Linuxisms from lowlevellock.h, make a generic oneRoland McGrath
2014-07-14Enable AVX2 optimized memset only if -mavx2 worksH.J. Lu
* config.h.in (HAVE_AVX2_SUPPORT): New #undef. * sysdeps/i386/configure.ac: Set HAVE_AVX2_SUPPORT and config-cflags-avx2. * sysdeps/x86_64/configure.ac: Likewise. * sysdeps/i386/configure: Regenerated. * sysdeps/x86_64/configure: Likewise. * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add memset-avx2 only if config-cflags-avx2 is yes. * sysdeps/x86_64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Tests for memset_chk and memset only if HAVE_AVX2_SUPPORT is defined. * sysdeps/x86_64/multiarch/memset.S: Define multiple versions only if HAVE_AVX2_SUPPORT is defined. * sysdeps/x86_64/multiarch/memset_chk.S: Likewise.
2014-07-13m68k: update libm test ULPsAndreas Schwab
2014-07-11aarch64: Update libm-test-ulpsRichard Henderson
2014-07-10PowerPC: Fix build due missing lll_robust_trylockAdhemerval Zanella
Commit 887865f remove the lll_robust_trylock definition on all architectures, however for powerpc both __lll_trylock and __lll_cond_trylock were based on lll_robust_trylock definition. This patch restore it with a different name.
2014-07-10Get rid of lll_robust_dead.Roland McGrath
2014-07-10Get rid of lll_robust_trylock.Roland McGrath
2014-07-10Fix crash when system has no ipv6 address [BZ #17125]Siddhesh Poyarekar
Here's an updated patch to fix the crash in bug-ga2 when the system has no configured ipv6 address. I have taken a different approach of using libc_freeres_fn instead of the libc_freeres_ptr since the former gives better control over what is freed; we need that since cache may or may not be allocated using malloc. Verified that bug-ga2 works correctly in both cases and does not have memory leaks in either of them.
2014-07-09Get rid of sparc specific NPTL internaltypes.h header.David S. Miller
* sysdeps/sparc/nptl/internaltypes.h: Delete. * sysdeps/sparc/nptl/sparc-nptl.h: New file. * sysdeps/sparc/nptl/pthread_barrier_destroy.c: Include it. * sysdeps/sparc/nptl/pthread_barrier_init.c: Likewise. * sysdeps/sparc/nptl/pthread_barrier_wait.c: Likewise. * sysdeps/sparc/nptl/sem_init.c: Likewise. * sysdeps/sparc/nptl/sem_post.c: Likewise. * sysdeps/sparc/nptl/sem_timedwait.c: Likewise. * sysdeps/sparc/nptl/sem_wait.c: Likewise. * sysdeps/sparc/sparc32/nptl/pthread_barrier_wait.c: Likewise. * sysdeps/sparc/sparc32/nptl/sem_post.c: Likewise. * sysdeps/sparc/sparc32/nptl/sem_timedwait.c: Likewise. * sysdeps/sparc/sparc32/nptl/sem_wait.c: Likewise.
2014-07-09Update sparc ULPS.David S. Miller
* sysdeps/sparc/fpu/libm-test-ulps: Update.
2014-07-09Fix missing newline in test outputAndreas Schwab
2014-07-09Update i386 libm test ULPsAndreas Schwab
2014-07-09Fix -Wundef warnings for SHAREDWill Newton
The definition of SHARED is tested with #ifdef pretty much everywhere apart from these few places. The tlsdesc.c code seems to be copy and pasted to a few architectures and there is one instance in the hppa startup code. ChangeLog: 2014-07-09 Will Newton <will.newton@linaro.org> * sysdeps/aarch64/tlsdesc.c (_dl_unmap): Test SHARED with #ifdef. * sysdeps/arm/tlsdesc.c (_dl_unmap): Likewise. * sysdeps/i386/tlsdesc.c (_dl_unmap): Likewise. * sysdeps/x86_64/tlsdesc.c (_dl_unmap): Likewise. * sysdeps/hppa/start.S (_start): Likewise.
2014-07-09Fix Wundef warning for __cplusplusSiddhesh Poyarekar
All current uses of the __cplusplus macro only check if it is defined or not. Fix this #if to use $ifdef like the rest of the code.
2014-07-08Fix Wundef warning for ELF_MACHINE_NO_REL on i386Siddhesh Poyarekar
2014-07-08PowerPC: Cleanup powerpc memmoveAdhemerval Zanella
Now that MEMCPY_OK_FOR_FWD_MEMMOVE should be define on memcopy.h there is no need to specialized powerpc memmove implementation. This patch moves the define set to powerpc memcopy and cleanup its definition on powerpc code.
2014-07-08PowerPC: Fix compiler warningsAdhemerval Zanella
This patch fixes some compiler due trailing data in #undef directives and due missing prototypes.
2014-07-08PowerPC: Add ifunc tests for memmoveAdhemerval Zanella
This patch add the missing ifunc tests definition for memmove ppc32 optimization patch (commit 07aedd7).
2014-07-07PowerPC: Align power7 memcpy using VSX to quadwordAdhemerval Zanella
This patch changes power7 memcpy to use VSX instructions only when memory is aligned to quardword. It is to avoid unaligned kernel traps on non-cacheable memory (for instance, memory-mapped I/O).
2014-07-07PowerPC: optimized memmove for POWER7/PPC32Adhemerval Zanella
This patch adds a optimized memmove for power7 by using the optimized power7 memcpy for forward copying.
2014-07-07PowerPC: optimized memmove for POWER7/PPC64Adhemerval Zanella
This patch adds an optimized memmove optimization for POWER7/powerpc64. Basically the idea is to use the memcpy for POWER7 on non-overlapped memory regions and a optimized backward memcpy for memory regions that overlap (similar to the idea of string/memmove.c). The backward memcpy algorithm used is similar the one use for memcpy for POWER7, with adjustments done for alignment. The difference is memory is always aligned to 16 bytes before using VSX/altivec instructions.
2014-07-07PowerPC: memmove default implementation cleanupAdhemerval Zanella
This patch removes the powerpc specific logic in memmove and instead include default implementation with MEMCPY_OK_FOR_FWD_MEMMOVE defined. This lead in a increase performance, since the constraints to use memcpy in powerpc code are too restrictive and memcpy can be used for any forward memmove.
2014-07-07PowerPC: Guard CALL_ELF check for ppc64 only in link.hAdhemerval Zanella
This patch fixes powerpc32 undef compiler warnings for _CALL_ELF, since it is defined only for powerpc64.
2014-07-07Remove old stub lowlevellock.h file. It is not even useful as documentation.Roland McGrath
2014-07-07NPTL is no longer an add-on!Roland McGrath
2014-07-07Get rid of nptl/sysdeps/ entirely!Roland McGrath
2014-07-05Add comment for MEMCPY_OK_FOR_FWD_MEMMOVESiddhesh Poyarekar
2014-07-04ARM: Define ELF_MACHINE_NO_RELWill Newton
Fix a -Wundef warning on ARM. ChangeLog: 2014-07-04 Will Newton <will.newton@linaro.org> * sysdeps/arm/dl-machine.h (ELF_MACHINE_NO_REL): Define.
2014-07-03Fix ia64 build error in lll_futex_timed_wait_bitsetRoland McGrath
2014-07-03Fix unwind.h configure check for bare environment.Roland McGrath
2014-07-03Add missing #include in sysdeps/alpha/fpu/s_nearbyint.cRoland McGrath
2014-07-03Robustify Linux kernel headers configure checksRoland McGrath
2014-07-03S390: Quash unused variable warning due to no-op THREAD_SET_POINTER_GUARD.Roland McGrath
2014-07-03Restore subdir conditional for tst-timer dependency.Siddhesh Poyarekar
2014-07-03alpha: Remove nearbyint and nearbyintf implementationsRichard Henderson
The original implementation was written for EV5, which does not record inexact in the status register for /SU (but no /I) insns. But EV6 does record the inexact status; the lack of /I simply means that the exception is suppressed. Adding feholdexcept becomes the bulk of the overhead, so we might as well use the default implementation.
2014-07-03alpha: Implement math_opt_barrier and math_force_evalRichard Henderson
2014-07-03alpha: Fix lround implementationsRichard Henderson
Use chopped rounding to add 0.5.
2014-07-03alpha: Remove round and roundf implementationsRichard Henderson
Two bugs in these implementations: First is that the add of 0.5 was not done in chopped rounding mode (easily fixable). Second is that the method generates incorrect inexact exceptions for small integral values (not easily fixable).
2014-07-03Rely on HP_TIMING_AVAIL implies HP_SMALL_TIMING_AVAILRichard Henderson
2014-07-03Always provide HP_SMALL_TIMING_AVAILRichard Henderson
2014-07-03aarch64: Add hp-timing.hRichard Henderson
2014-07-03Unify hp-timing implementationsRichard Henderson
Provide an hp-timing-common.h for ports to use.
2014-07-03Remove HP_TIMING_DIFF_INIT and dl_hp_timing_overheadRichard Henderson
Without HP_TIMING_ACCUM, dl_hp_timing_overhead is write-only. If we remove it, there's no point in HP_TIMING_DIFF_INIT either.
2014-07-03Removing HP_TIMING_ACCUM as unusedRichard Henderson
2014-07-03Removing HP_TIMING_ZERO as unusedRichard Henderson
2014-07-03powerpc: Remove dummy hp-timing.hRichard Henderson
It's the same as the generic dummy version.
2014-07-03Fix -Wundef warning on PAGE_COPY_THRESHOLDSiddhesh Poyarekar
The PAGE_COPY_THRESHOLD macro is meant to be overridden by architecture-specific pagecopy.h, but it is currently done only by mach; all other architectures use the default. Check to see if the macro is defined in addition to whether it is set to a non-zero value.
2014-07-02PowerPC: strcat optimization for PPC64/POWER7Vidya Ranganathan
This patch adds an ifunc power7 strcat symbol that uses the logic on sysdeps/powerpc/strcat.c but call power7 strlen/strcpy symbols instead of default ones.
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