| Commit message (Collapse) | Author | Age | Files | Lines |
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* sysdeps/sparc/sparc64/multiarch/memcpy-niagara4.S: New file.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy-niagara4.S: New
file.
* sysdeps/sparc/sparc64/multiarch/Makefile: Add to
sysdep_routines.
* sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy.S: Use Niagara-4 memcpy
and mempcpy when HWCAP_SPARC_CRYPTO is set.
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Make use of O_ACCMODE and O_RDONLY instead of assuming details of the O_* flags.
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* sysdeps/posix/getaddrinfo.c (default_scopes): Map RFC 1918
* addresses
to global scope.
* posix/tst-rfc3484.c: Verify 10/8, 172.16/12 and 196.128/16
addresses are in the same scope as 192.0.2/24.
* posix/gai.conf: Document new scope table defaults.
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* sysdeps/sparc/fpu/libm-test-ulps: Update.
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[BZ #14376]
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Do not
pass reloc->r_addend in as the 'high' argument to
sparc64_fixup_plt when handling R_SPARC_JMP_IREL relocations.
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use bits/huge_vall.h instead. There is no longer any need for
the special huge_vall.h file.
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Using madvise with MADV_DONTNEED to release memory back to the kernel
is not sufficient to change the commit charge accounted against the
process on Linux. It is OK however, when overcommit is enabled or is
heuristic. However, when overcommit is restricted to a percentage of
memory setting the contents of /proc/sys/vm/overcommit_memory as 2, it
makes a difference since memory requests will fail. Hence, we do what
we do with secure exec binaries, which is to call mmap on the region
to be dropped with MAP_FIXED. This internally unmaps the pages in
question and reduces the amount of memory accounted against the
process.
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* sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S: Fix
unwind info if defined PIC. Fix special cases description.
* sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S: Likewise.
* sysdeps/x86_64/fpu/s_sinf.S: Fix special cases description, fix
DP_HI_MASK entry.
* sysdeps/x86_64/fpu/s_cosf.S: Likewise.
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* sysdeps/sparc/bits/hwcap.h (HWCAP_SPARC_PAUSE,
HWCAP_SPARC_CBCOND, HWCAP_SPARC_CRYPTO): Define.
* sysdeps/sparc/dl-procinfo.h (_DL_HWCAP_COUNT): Increase to 27.
* sysdeps/sparc/dl-procinfo.c (_dl_sparc_cap_flags): Add new
entries.
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* sysdeps/sparc/fpu/libm-test-ulps: Update.
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* sysdeps/sparc/sparc32/sparcv9/addmul_1.S: New file.
* sysdeps/sparc/sparc32/sparcv9/submul_1.S: New file.
* sysdeps/sparc/sparc32/sparcv9/mul_1.S: New file.
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* sysdeps/i386/i686/fpu/multiarch/Makefile (sysdep_routines):
Add s_sinf-sse2, s_conf-sse2.
* sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S: New file.
* sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S: New file.
* sysdeps/i386/i686/fpu/multiarch/s_sinf.c: New file.
* sysdeps/i386/i686/fpu/multiarch/s_cosf.c: New file.
* sysdeps/ieee754/flt-32/s_sinf.c (SINF, SINF_FUNC): Add macros
for using routine as __sinf_ia32.
Use macro for function declaration and weak_alias.
* sysdeps/ieee754/flt-32/s_cosf.c (COSF, COSF_FUNC): Add macros
for using routine as __cosf_ia32.
Use macro for function declaration and weak_alias.
* sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.S: Fix Copyright.
* sysdeps/i386/i686/fpu/multiarch/e_expf.c: Fix Copyright.
* sysdeps/x86_64/fpu/s_sinf.S: New file.
* sysdeps/x86_64/fpu/s_cosf.S: New file.
* sysdeps/x86_64/fpu/libm-test-ulps: Update.
* math/libm-test.inc (cos_test): Add more test cases.
(sin_test): Likewise.
(sincos_test): Likewise.
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[BZ #14538]
* sysdeps/x86_64/dl-machine.h (elf_machine_dynamic): Use the
first element of the GOT.
(elf_machine_load_address): Return the difference between
the runtime address of _DYNAMIC and elf_machine_dynamic ().
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The ttyname and ttyname_r functions on Linux now fall back to
searching for the tty file descriptor in /dev/pts or /dev if /proc is
not available. This allows creation of chroots without the procfs
mounted on /proc.
Fixes BZ #14516.
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if the family is PF_UNSPEC.
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Initially based on the versions found in wcsmbs/* ; these files have
been changed by hand unrolling, and adding some additional variables
to allow some read-ahead to occur, which then relieves some of the
wait-for-increment/wait-for-load/wait-for-compare-results pressure
that was slowing down every iteration through the while-loop.
For 64-bit Power7, These changes give an approx 20% throughput boost
for the wcschr and wcsrchr functions; and approx 40% boost for the
wcscpy function. 32-bit improvements appear to be slightly better
with ~ %30 and ~ %45 respectively. Results for Power6 closely match
those for power7.
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Assorted tweaking, twisting and tuning to squeeze a few additional cycles
out of the memchr code. Changes include bypassing the shift pairs
(sld,srd) when they are not required, and unrolling the small_loop that
handles short and trailing strings.
Per scrollpipe data measuring aligned strings for 64-bit, these changes
save between five and eight cycles (9-13% overall) for short strings (<32),
Longer aligned strings see slight improvement of 1-3% due to bypassing the
shifts and the instruction rearranging.
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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