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glibc
The GNU C library.
Other Activity This Week
- libio: Remove codecvt vtable [BZ #24588]
Florian Weimer: The codecvt vtable is not a real vtable because it also contains the conversion state data.
Recent Activity
- Improve string benchtest timing
Wilco Dijkstra: . Many tests run for 0.01s which is way too short to give accurate results. Other tests take over 40 seconds which is way too long. Significantly increase the iterations of the short running tests. Reduce number of alignment variations in the long running memcpy walk tests so they take less than 5 seconds. - libio: Remove codecvt vtable [BZ #24588]
Florian Weimer: The codecvt vtable is not a real vtable because it also contains the conversion state data. - Update syscall-names.list for Linux 5.1.
Joseph Myers: This patch updates syscall-names.list for Linux 5.1 (which has many new syscalls, mainly but not entirely ones for 64-bit time). Tested with build-many-glibcs.py (before the revert of the move to Linux 5.1 there; verified there were no tst-syscall-list failures). - sysdeps/unix/sysv/linux/syscall-names.list: Update kernel version to 5.1. - aarch64: thunderx2 memmove performance improvements
Anton Youdkevitch: The performance improvement is about 20%-30% for larger cases and about 1%-5% for smaller cases. - Make mktime etc. compatible with __time64_t
Paul Eggert: Keep these functions compatible with Gnulib while adding __time64_t support. - powerpc: ceil/ceilf refactor
Adhemerval Zanella: This patches consolidates all the powerpc ceil{f} implementations on the generic sysdeps/powerpc/fpu/s_ceil{f}. - powerpc: Remove power4 mpa optimization
Adhemerval Zanella: This patch removes the POWER4 optimized mpa optimization used currently on all powerpc targets. - locale: Add LOCPATH diagnostics to the locale program
Florian Weimer: The implementation of quote_string is based on support_quote_blob. - malloc: Set and reset all hooks for tracing (Bug 16573)
Carlos O'Donell: If an error occurs during the tracing operation, particularly during a call to lock_and_info() which calls _dl_addr, we may end up calling back into the malloc-subsystem and relock the loader lock and deadlock. - Improve bench-strstr
Wilco Dijkstra: by using an extract from the manual as the input to make the test more realistic.
glibc Release Tags
- Open master for 2.30 development
Siddhesh Poyarekar - Open master branch for glibc 2.29 development
Carlos O'Donell - Update for 2.25 release
Siddhesh Poyarekar - Update version.h and include/features.h for 2.22 release
Carlos O'Donell - Restore _POSIX2_C_VERSION definition (bug 438).
Joseph Myers: My review of conformtest expectations for POSIX showed up that the _POSIX2_C_VERSION macro, required by POSIX and XPG standards before 2001, was missing in unistd.h, having been removed on 2003-04-03 despite those standards still being supported. - Bump required version of texinfo to 4.7
Will Newton: It seems we require texinfo 4.7 for the --plaintext option, so document that and check for the correct version in configure. ChangeLog: 2014-12-15 Will Newton - manual/install.texi: Bump required version of texinfo to 4.7 from 4.5. - INSTALL: Regenerated. - configure.ac: Check for makeinfo version 4.7 and above. - configure: Regenerated. - Rework compiler version check in configure
Roland McGrath - Update version.h and include/features.h for 2.19 release
Allan McRae - Accept make versions 4.0 and greater
Marc-Antoine Perennou - Update version.h and include/features.h for 2.18 release
David S. Miller
Most Popular This Year
- Add test-in-container infrastructure
DJ Delorie: - Makefile (testroot.pristine): New rules to initialize the test-in-container "testroot". - Makerules (all-testsuite): Add tests-container. - Rules (tests-expected): Add tests-container. - aarch64: add HXT Phecda core memory operation ifuncs
Hongbo Zhang: Phecda is HXT semiconductor's CPU core, this patch adds memory operation ifuncs for it: sharing the same optimized implementation with Qualcomm's Falkor core. - aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Szabolcs Nagy: This enables searching shared libraries in atomics/ when the hardware supports LSE atomics of armv8.1 so one can provide optimized variants of libraries in a portable way. LSE atomics does not affect library abi, the new instructions can interoperate with old ones. I considered the earlier comments on the patch - [AArch64] Add ifunc support for Ares
Wilco Dijkstra: Add Ares to the midr_el0 list and support ifunc dispatch. - [aarch64] Add an ASIMD variant of strlen for falkor
Siddhesh Poyarekar: This variant of strlen uses vector loads and operations to reduce the size of the code and also eliminate the non-ascii fallback. - Merge mktime, timegm from upstream Gnulib
Paul Eggert: [BZ #23603][BZ #16346] This fixes some obscure problems with integer overflow. - Improve performance of sincosf
Wilco Dijkstra: This patch is a complete rewrite of sincosf. - Improve performance of sinf and cosf
Wilco Dijkstra: The second patch improves performance of sinf and cosf using the same algorithms and polynomials. - hurd: Enable thread-safe i386 atomic instructions
Samuel Thibault: - sysdeps/mach/hurd/i386/tls. - Add new pow implementation
Szabolcs Nagy: The algorithm is exp(y * log(x)), where log(x) is computed with about 1.3*2^-68 relative error (1.5*2^-68 without fma), returning the result in two doubles, and the exp part uses the same algorithm (and lookup tables) as exp, but takes the input as two doubles and a sign (to handle negative bases with odd integer exponent).