Fix x86 pow inaccuracy for large integer exponents (bug 706).

[glibc.git] / ChangeLog

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+2012-04-09  Joseph Myers  <joseph@codesourcery.com>
+
+       [BZ #706]
+       * sysdeps/i386/fpu/e_pow.S (p10): New object.
+       (__ieee754_pow): Use iterative multiplication algorithm only for
+       integer exponents with absolute value below 1024.  Check for odd
+       integer exponents when using algorithm for real exponents.
+       * math/libm-test.inc (pow_test): Add more tests.
+       * sysdeps/x86_64/fpu/libm-test-ulps: Update.
+
+2012-04-08  Joseph Myers  <joseph@codesourcery.com>
+
+       [BZ #13705]
+       * math/libm-test.inc (exp_test): Do not allow overflow exception
+       on underflow test.
+
+2012-04-08  Aurelien Jarno  <aurelien@aurel32.net>
+
+       [BZ #13705]
+       * sysdeps/ieee754/dbl-64/w_exp.c (__exp): Use __kernel_standard
+       instead of __kernel_standard_f.
+
+2012-04-08  Mike Frysinger  <vapier@gentoo.org>
+
+       * sysdeps/i386/i686/memset_chk.S: Update copyright year.
+       * sysdeps/x86_64/memset_chk.S: Likewise.
+
+2012-04-08  Andreas Jaeger  <aj@suse.de>
+
+       [BZ #10153]
+       * manual/startup.texi (Environment Access): Describe return value
+       for putenv and setenv.
+
+       [BZ #6895]
+       * manual/filesys.texi (Directory Entries): Add description for
+       DT_LNK.
+
+       [BZ #6890]
+       * manual/filesys.texi (Directory Entries): Clarify that it's file
+       system not operating system in the description of DT_UNKNOWN.
+
+       [BZ #6578]
+       * manual/syslog.texi (closelog): Fix reference, it's openlog.
+
+2012-04-08  Stephen Compall  <s11@member.fsf.org>
+
+       [BZ #6649]
+       * manual/llio.texi (Opening and Closing Files): Add cross
+       reference to explain mode argument.
+
+2012-04-07  Mike Frysinger  <vapier@gentoo.org>
+
+       * sysdeps/i386/i686/memset_chk.S: Change PIC to SHARED.
+       * sysdeps/x86_64/memset_chk.S: Likewise.
+
+2012-04-07  David S. Miller  <davem@davemloft.net>
+
+       * elf/elf.h (R_SPARC_WDISP10): Define.
+       * sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Handle
+       R_SPARC_SIZE32.
+       * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Handle
+       R_SPARC_SIZE64 and R_SPARC_H34.
+
+2012-04-07  Carlos O'Donell  <carlos_odonell@mentor.com>
+
+       * elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Simplify
+       conditions and remove no longer applicable assertion.
+
+2012-04-06  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * bits/byteswap.h (__bswap_16): Removed.
+       Include <bits/byteswap-16.h> to get __bswap_16.
+       * sysdeps/i386/bits/byteswap.h: Likewise.
+       * sysdeps/s390/bits/byteswap.h: Likewise.
+       * sysdeps/x86_64/bits/byteswap.h: Likewise.
+       * bits/byteswap-16.h: New file.
+       * sysdeps/i386/bits/byteswap-16.h: Likewise.
+       * sysdeps/s390/bits/byteswap-16.h: Likewise.
+       * sysdeps/x86_64/bits/byteswap-16.h: Likewise.
+       * string/Makefile (headers): Add bits/byteswap-16.h.
+
+2012-04-06  Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+       [BZ #13895]
+       * nss/nsswitch.c (nss_load_library, __nss_lookup_function): Avoid
+       extra indirection.
+       * nss/Makefile (tests-static, tests): Add tst-nss-static.
+       * nss/tst-nss-static.c: New.
+
+2012-04-06  Robert Millan  <rmh@gnu.org>
+
+       [BZ #6486]
+       * manual/llio.texi (File Position Primitive): lseek
+       refers to WHENCE when it really means OFFSET.
+
+2012-04-06  Andreas Jaeger  <aj@suse.de>
+
+       * nss/nss_db/db-initgroups.c: Include <string.h> for strlen and
+       strncmp declarations.
+
+       * abilist/libc.abilist: Add __poll and __ppoll.
+
+2012-04-05  David S. Miller  <davem@davemloft.net>
+
+       * scripts/check-local-headers.sh: Accept a host triplet in the
+       path matched by the exclude regexp.
+
+       * elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Reduce down to one
+       definition.
+       * sysdeps/powerpc/powerpc32/dl-machine.h
+       (ELF_MACHINE_PLTREL_OVERLAP): Delete.
+       * sysdeps/s390/s390-32/dl-machine.h
+       (ELF_MACHINE_PLTREL_OVERLAP): Likewise.
+       * sysdeps/sparc/sparc32/dl-machine.h
+       (ELF_MACHINE_PLTREL_OVERLAP): Likewise.
+       * sysdeps/sparc/sparc64/dl-machine.h
+       (ELF_MACHINE_PLTREL_OVERLAP): Likewise.
+
+       * elf/rtld.c (dl_main): If DL_DEBUG_UNUSED is enabled, turn off
+       lazy binding.
+       * elf/dl-lookup.c (_dl_lookup_symbol_x): If DL_DEBUG_UNUSED, ignore
+       undefined symbol errors.
+
+       * elf/rtld.c (dl_main): Skip VDSO when checking for unused
+       DT_NEEDED entries.
+
+2012-04-05  Michael Matz  <matz@suse.de>
+
+       [BZ #13592]
+       * sysdeps/x86_64/memset.S: Fix size paramater comparisions.
+
+2012-04-05  Andreas Jaeger  <aj@suse.de>
+
+       [BZ #13908]
+       * stdlib/stdlib.h: Don't warn about unused result of mktemp, fix
+       comment.
+
 2012-04-05  Nobuhiro Iwamatsu  <iwamatsu@nigauri.org>
 
        * sysdeps/sh/sh4/fpu/fesetround.c (fesetround): Fix return value