| Commit message (Collapse) | Author | Age | Files | Lines |
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We only need to set/restore rounding mode to ensure correct
computation for non-default rounding modes.
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* manual/errno.texi (ESTALE): Update to account for more than
just NFS file systems.
* sysdeps/gnu/errlist.c: Regenerated.
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Resolves: #15465
The program name may be unavailable if the user application tampers
with argc and argv[]. Some parts of the dynamic linker caters for
this while others don't, so this patch consolidates the check and
fallback into a single macro and updates all users.
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* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start:go): Don't
declare _dl_skip_args.
Continuation of commit 8347c74cc5c972aa9e57747177b1f5f4b1cbcac8.
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* sysdeps/mach/hurd/i386/init-first.c (_dl_non_dynamic_init):
Don't declare.
Continuation of commit bc16e260d0e74b36e48d30edc6ea4f1152700c09.
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This patch add inline functions to change the Program Priority Register
from ISA 2.05.
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Adds new SIGBUS error codes for hardware poison signals, syncing with
the current kernel headers (v3.9). It also adds si_trapno field for
alpha.
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Fixes BZ #15339.
NSS_STATUS_UNAVAIL may mean that a necessary input resource is not
available. This could occur in a number of cases including when the
network is down, system runs out of file descriptors, etc. The
correct differentiator in such a case is the h_errno, which gives the
nature of failure. In case of failures other than a simple 'not
found', we set h_errno as NETDB_INTERNAL and let errno be the
identifier for the exact error.
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This implementation speed up memset in several ways. First is avoiding
expensive computed jump. Second is using fact that arguments of memset
are most of time aligned to 8 bytes.
Benchmark results on:
kam.mff.cuni.cz/~ondra/benchmark_string/memset_profile_result27_04_13.tar.bz2
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We add new memcpy version that uses unaligned loads which are fast
on modern processors. This allows second improvement which is avoiding
computed jump which is relatively expensive operation.
Tests available here:
http://kam.mff.cuni.cz/~ondra/memcpy_profile_result27_04_13.tar.bz2
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[BZ #15442] This adds support for the inverse interpretation of the
quiet bit of IEEE 754 floating-point NaN data that some processors
use. This includes in particular MIPS architecture processors; the
payload used for the canonical qNaN encoding is updated accordingly
so as not to interfere with the quiet bit.
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The EXTRACT_WORDS64 and INSERT_WORDS64 macros use movd for a 64-bit
operation. Somehow gcc manages to turn this into movq, but LLVM won't.
2013-05-15 Peter Collingbourne <pcc@google.com>
* sysdeps/x86_64/fpu/math_private.h (MOVQ): New macro.
(EXTRACT_WORDS64) Use where appropriate.
(INSERT_WORDS64) Likewise.
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While these instructions accept memory operands, only one operand
may be a memory operand. Giving two operands xm constraints gives
the compiler the option of using memory for both operands, which
would result in invalid assembly code. Using x for all operands is
more appropriate, as most x86_64 calling conventions will pass the
arguments in registers anyway.
2013-05-15 Peter Collingbourne <pcc@google.com>
* sysdeps/x86_64/fpu/multiarch/s_fma.c (__fma_fma4): Replace xm
constraints with x constraints.
* sysdeps/x86_64/fpu/multiarch/s_fmaf.c (__fmaf_fma4): Likewise.
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2013-05-15 Edjunior Machado <emachado@linux.vnet.ibm.com>
* sysdeps/unix/sysv/linux/s390/bits/siginfo.h (siginfo_t):
Remove si_trapno and add si_addr_lsb to _sifields.sigfault.
(si_trapno): Remove macro.
(si_addr_lsb): Define new macro.
(BUS_MCEERR_AR, BUS_MCEERR_AO): Define new values.
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* sysdeps/sparc/fpu/libm-test-ulps: Update.
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That way it can live alongside _LIB_VERSION in libieee.a for
statically compiled programs.
Resolves #14582.
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[BZ #12387]
* sysdeps/unix/sysv/linux/sh/getgid.c: New file.
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[BZ #15448]
* sysdeps/unix/sysv/linux/bits/sched.h (__CPU_SET_S)
(__CPU_CLR_S, __CPU_ISSET_S): Avoid integer overflow.
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This patch fixes hypot/hypotf spurious floating-point exceptions
generate by internal operations.
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PowerPC kernel now provides a vDSO implementation for time syscall
(commit fcb41a2030abe0eb716ef0798035ef9562097f42). This patch changes
time syscall wrapper to use the vDSO when available. It also changes
the default non vDSO time on PowerPC to use sysdeps/posix/time.c
(since gettimeofday is a vDSO call).
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* sysdeps/gnu/netinet/tcp.h (TCP_TIMESTAMP): New value, from
Linux 3.9.
* sysdeps/unix/sysv/linux/bits/socket.h (PF_VSOCK, AF_VSOCK):
Add.
(PF_MAX): Adjust for VSOCK change.
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