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glibc

The GNU C library.

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i686: Implement IFUNC selectors in C
H.J. Lu: - sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add bcopy-ia32, bzero-ia32, rawmemchr-ia32 memchr-ia32, memcmp-ia32, memcpy-ia32, memmove-ia32, mempcpy-ia32, memset-ia32, strcat-ia32, strchr-ia32, strrchr-ia32, strcpy-ia32, strcmp-ia32, strcspn-ia32, strpbrk-ia32, strspn-ia32, strlen-ia32, stpcpy-ia32, stpncpy-ia32, memcpy_chk-nonshared, mempcpy_chk-nonshared, memmove_chk-nonshared and memset_chk-nonshared

x86-64: Implement libmathvec IFUNC selectors in C
H.J. Lu: - sysdeps/x86_64/fpu/multiarch/Makefile (libmvec-sysdep_routines) Add svml_d_cos2_core-sse2, svml_d_cos4_core-sse, svml_d_cos8_core-avx2, svml_d_exp2_core-sse2, svml_d_exp4_core-sse, svml_d_exp8_core-avx2, svml_d_log2_core-sse2, svml_d_log4_core-sse, svml_d_log8_core-avx2, svml_d_pow2_core-sse2, svml_d_pow4_core-sse, svml_d_pow8_core-avx2 svml_d_sin2_core-sse2, svml_d_sin4_core-sse, svml_d_sin8_core-avx2, svml_d_sincos2_core-sse2, svml_d_sincos4_core-sse, svml_d_sincos8_core-avx2, svml_s_cosf16_core-avx2, svml_s_cosf4_core-sse2, svml_s_cosf8_core-sse, svml_s_expf16_core-avx2, svml_s_expf4_core-sse2, svml_s_expf8_core-sse, svml_s_logf16_core-avx2, svml_s_logf4_core-sse2, svml_s_logf8_core-sse, svml_s_powf16_core-avx2, svml_s_powf4_core-sse2, svml_s_powf8_core-sse, svml_s_sincosf16_core-avx2, svml_s_sincosf4_core-sse2, svml_s_sincosf8_core-sse, svml_s_sinf16_core-avx2, svml_s_sinf4_core-sse2 and svml_s_sinf8_core-sse. - sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx2.h: New file. - sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512.h: Likewise. - sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-sse4_1.h: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cos2_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cos4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cos8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_exp2_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_exp4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_exp8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_log2_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_log4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_log8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_pow2_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_pow4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_pow8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sin2_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sin4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sin8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sincos4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sincos8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cosf16_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cosf4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cosf8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_expf16_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_expf4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_expf8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_logf16_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_logf4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_logf8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_powf16_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_powf4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_powf8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sincosf16_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sincosf4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sincosf8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sinf16_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sinf4_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_sinf8_core.c: Likewise. - sysdeps/x86_64/fpu/multiarch/svml_d_cos2_core.S: Renamed to - sysdeps/x86_64/fpu/multiarch/svml_d_cos2_core-sse2.S: This.

x86-64: Implement libm IFUNC selectors in C
H.J. Lu: - sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines): Add s_ceil-sse4_1, s_ceilf-sse4_1, s_floor-sse4_1, s_floorf-sse4_1, s_nearbyint-sse4_1, s_nearbyintf-sse4_1, s_rint-sse4_1 and s_rintf-sse4_1. - sysdeps/x86_64/fpu/multiarch/ifunc-sse4_1.h: New file. - sysdeps/x86_64/fpu/multiarch/s_ceil.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_ceilf.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_floor.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_floorf.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_nearbyint.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_nearbyintf.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_rint.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_rintf.c: Likewise. - sysdeps/x86_64/fpu/multiarch/s_ceil.S: Renamed to ... - sysdeps/x86_64/fpu/multiarch/s_ceil-sse4_1.S: This.

i386: Support static PIE in start.S
H.J. Lu: Since start.o may be compiled as PIC, we should check PIC instead of SHARED.

Check linker support for INSERT in linker script
H.J. Lu: Since gold doesn't support INSERT in linker script:

Consistently use uintN_t not u_intN_t in libm
Joseph Myers: This patch changes libm code to make consistent use of C99 uintN_t types instead of sometimes using those and sometimes using the older nonstandard u_intN_t names.

Add HWCAP_ macros from Linux 4.12 to AArch64 bits/hwcap.h
Szabolcs Nagy: This patch adds the HWCAP_JSCVT, HWCAP_FCMA and HWCAP_LRCPC macros from Linux 4.12 to the AArch64 bits/hwcap.h. - sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_FCMA): New macro.

Added Tongan language locale for Tonga
Akhilesh Kumar: [BZ #21728]

Added Fiji Hindi language locale for Fiji
Akhilesh Kumar: [BZ #21207]

New locale for agr_PE.
Chris Leonard: [BZ #20496]

glibc Release Tags

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

Make _LIB_VERSION a weak symbol
Siddhesh Poyarekar: That way it can live alongside _LIB_VERSION in libieee.a for statically compiled programs.

Most Popular This Year

Remove the bulk of the NaCl port
Zack Weinberg: The NaCl port has not been actively maintained since before the 2.25 release.

Enable tunables by default
Siddhesh Poyarekar: All of the major architectures are adopting tunables as a way to add tuning to the library, from hwcap_mask for aarch64 to HLE for s390 and ifunc and cache geometry for x86.

Partial ILP32 support for aarch64.
Steve Ellcey: - sysdeps/aarch64/crti.S: Add include of sysdep.h.

Add roundeven, roundevenf, roundevenl
Joseph Myers: TS 18661-1 defines roundeven functions that round a floating-point number to the nearest integer, in that floating-point type, with ties rounding to even (whereas the round functions round ties away from zero).

Add llogb, llogbf, llogbl
Joseph Myers: TS 18661-1 defines llogb functions that are like ilogb except that they return long int instead of int.

Remove cached PID/TID in clone
Adhemerval Zanella: This patch remove the PID cache and usage in current GLIBC code.

Bug 20918 - Building with --enable-nss-crypt fails tst-linkall-static
Carlos O'Donell: Some configurations may use NSS cryptographic routines but have no static library for those routines.

Add setpayload, setpayloadf, setpayloadl
Joseph Myers: TS 18661-1 defines functions for manipulating the payloads of NaNs.

Build most libm-test support code once per type
Joseph Myers: libm-test-driver.c contains various functions used in the course of libm testing, which are built as part of each test using this machinery. Currently, these functions get built for three tests for each type (e.g.

Add pretty printers for the NPTL lock types
Martin Galvan: This patch adds pretty printers for the following NPTL types: - pthread_mutex_t- pthread_mutexattr_t- pthread_cond_t- pthread_condattr_t- pthread_rwlock_t- pthread_rwlockattr_t To load the pretty printers into your gdb session, do the following: python import sys sys.path.insert(0, '/path/to/glibc/build/nptl/pretty-printers') end source /path/to/glibc/source/pretty-printers/nptl-printers.py You can check which printers are registered and enabled by issuing the 'info pretty-printer' gdb command.

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