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2016-03-05localedata: clear LC_IDENTIFICATION tel/fax fieldsMike Frysinger
These fields aren't terribly useful and most don't set it.
2016-03-04Replace PREINIT_FUNCTION@PLT with *%rax in callH.J. Lu
Since we have loaded address of PREINIT_FUNCTION into %rax, we can avoid extra branch to PLT slot. [BZ #19745] * sysdeps/x86_64/crti.S (_init): Replace PREINIT_FUNCTION@PLT with *%rax in call.
2016-03-04Replace @PLT with @GOTPCREL(%rip) in callH.J. Lu
Since __libc_start_main is called very early, lazy binding isn't relevant here. Use indirect branch via GOT to avoid extra branch to PLT slot. [BZ #19745] * sysdeps/x86_64/start.S (_start): __libc_start_main@PLT with *__libc_start_main@GOTPCREL(%rip) in call.
2016-03-04Fix edito in last change.Roland McGrath
2016-03-04Conditionalize c++-types-check.out addition to tests-special.Roland McGrath
2016-03-04Omit test-math-isinff when no C++ compiler.Roland McGrath
2016-03-04Fix c++-types-check conditionalization.Roland McGrath
2016-03-04Add a comment in sysdeps/x86_64/MakefileH.J. Lu
Mention recursive calls when ENTRY is used in _mcount.S. * sysdeps/x86_64/Makefile (sysdep_noprof): Add a comment.
2016-03-04x86-64: Fix memcpy IFUNC selectionH.J. Lu
Chek Fast_Unaligned_Load, instead of Slow_BSF, and also check for Fast_Copy_Backward to enable __memcpy_ssse3_back. Existing selection order is updated with following selection order: 1. __memcpy_avx_unaligned if AVX_Fast_Unaligned_Load bit is set. 2. __memcpy_sse2_unaligned if Fast_Unaligned_Load bit is set. 3. __memcpy_sse2 if SSSE3 isn't available. 4. __memcpy_ssse3_back if Fast_Copy_Backward bit it set. 5. __memcpy_ssse3 [BZ #18880] * sysdeps/x86_64/multiarch/memcpy.S: Check Fast_Unaligned_Load, instead of Slow_BSF, and also check for Fast_Copy_Backward to enable __memcpy_ssse3_back.
2016-03-03Gratuitous change to poke buildbot.Roland McGrath
2016-03-03Or bit_Prefer_MAP_32BIT_EXEC in EXTRA_LD_ENVVARSH.J. Lu
We should turn on bit_Prefer_MAP_32BIT_EXEC in EXTRA_LD_ENVVARS without overriding other bits. [BZ #19758] * sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h (EXTRA_LD_ENVVARS): Or bit_Prefer_MAP_32BIT_EXEC.
2016-03-03Typo fixes.Roland McGrath
2016-03-032016-03-03 Paul Pluzhnikov <ppluzhnikov@google.com>Paul Pluzhnikov
[BZ #19490] * sysdeps/x86_64/_mcount.S (_mcount): Add unwind descriptor. (__fentry__): Likewise
2016-03-03Copy x86_64 _mcount.op from _mcount.oH.J. Lu
No need to compile x86_64 _mcount.S with -pg. We can just copy the normal static object. * gmon/Makefile (noprof): Add $(sysdep_noprof). * sysdeps/x86_64/Makefile (sysdep_noprof): Add _mcount.
2016-03-01Call x86-64 __mcount_internal/__sigjmp_save directlyH.J. Lu
Since __mcount_internal and __sigjmp_save are internal to x86-64 libc.so: 3532: 0000000000104530 289 FUNC LOCAL DEFAULT 13 __mcount_internal 3391: 0000000000034170 38 FUNC LOCAL DEFAULT 13 __sigjmp_save they can be called directly without PLT. * sysdeps/x86_64/_mcount.S (C_LABEL(_mcount)): Call __mcount_internal directly. (C_LABEL(__fentry__)): Likewise. * sysdeps/x86_64/setjmp.S __sigsetjmp): Call __sigjmp_save directly.
2016-03-01Call x86-64 __setcontext directlyH.J. Lu
Since x86-64 __start_context calls the internal __setcontext: 5089: 00000000000417e0 145 FUNC LOCAL DEFAULT 13 __setcontext it should call __setcontext directly. * sysdeps/unix/sysv/linux/x86_64/__start_context.S (__start_context): Call __setcontext directly.
2016-02-29localedata: es_PR: change LC_MEASUREMENT to metricMike Frysinger
Puerto Rico uses the metric system and has for a long time. https://en.wikipedia.org/wiki/Puerto_Rican_units_of_measurement
2016-02-29localedata: an_ES: fix lang_ab valueMike Frysinger
Aragonese is classified as "an" so set it.
2016-02-26Remove kernel-features.h conditionals on pre-3.2 kernels.Joseph Myers
This patch follows up on the increase in minimum kernel version by removing conditionals in non-x86, non-x86_64 kernel-features.h headers that are now constant for all supported kernel versions. * sysdeps/unix/sysv/linux/alpha/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional. [__LINUX_KERNEL_VERSION >= 0x030200]: Likewise. [__LINUX_KERNEL_VERSION < 0x020621]: Remove conditional code. * sysdeps/unix/sysv/linux/arm/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional. [__LINUX_KERNEL_VERSION >= 0x020624]: Likewise. [__LINUX_KERNEL_VERSION >= 0x030000]: Likewise. * sysdeps/unix/sysv/linux/hppa/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020622]: Likewise. [__LINUX_KERNEL_VERSION >= 0x030100]: Likewise. [__LINUX_KERNEL_VERSION < 0x020625]: Remove conditional code. * sysdeps/unix/sysv/linux/ia64/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional. [__LINUX_KERNEL_VERSION >= 0x030000]: Likewise. * sysdeps/unix/sysv/linux/m68k/kernel-features.h [__LINUX_KERNEL_VERSION < 0x030000]: Remove conditional code. * sysdeps/unix/sysv/linux/microblaze/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional. [__LINUX_KERNEL_VERSION < 0x020621]: Remove conditional code. [__LINUX_KERNEL_VERSION < 0x020625]: Likewise. * sysdeps/unix/sysv/linux/mips/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional. [__LINUX_KERNEL_VERSION >= 0x030100]: Likewise. [_MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623]: Remove conditional code. * sysdeps/unix/sysv/linux/powerpc/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020625]: Make code unconditional. [__LINUX_KERNEL_VERSION >= 0x030000]: Likewise. * sysdeps/unix/sysv/linux/sh/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020625]: Likewise. [__LINUX_KERNEL_VERSION >= 0x030000]: Likewise. [__LINUX_KERNEL_VERSION < 0x020625]: Remove conditional code. * sysdeps/unix/sysv/linux/sparc/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional. [__LINUX_KERNEL_VERSION >= 0x030000]: Likewise. * sysdeps/unix/sysv/linux/tile/kernel-features.h [__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
2016-02-24NEWS (2.23): Fix typo in bug 19048 text.Carlos O'Donell
2016-02-24Enable --localedir to set message catalog directory (Bug 14259)Carlos O'Donell
In 1999 the project split "localedir" into "localedir" (path to compiled locale archives) and "msgcatdir" (path to message catalogs). This predates the 2002 change in the GNU Coding Standard to document the use of "localedir" for the path to the message catalogs. It appears that newlib, gcc, and several other projects also used "msgcatdir" at one point or another in the past, and so it is in line with historical precedent that glibc would also use "msgcatdir." However, given that the GNU Coding Standard uses "localedir", we will switch to that for consistency as a GNU project. Previous uses of --localdir didn't work anyway (see bug 14259). I am committing this patch in the understanding that nobody would object to fixing #14259 as part of aligning our variable usage to the GNU Coding Standard. Given that previous "localedir" uses were converted to "complocaledir" by [1], we can now convert "msgcatdir" to "localedir" and complete the transition. With an addition to config.make.in we also fix bug 14259 and allow users to specify the locale dependent data directory with "--localedir" at configure time. There is still no way to control at configure time the location of the *compiled* locale directory. Tested on x86_64 with no regressions. Tested using "--localedir" to specify alternate locale dependent data directory and verified with "make install DESTDIR=/tmp/glibc". [1] 90fe682d3067163aa773feecf497ef599429457a
2016-02-24GB 18030-2005: Document non-rountrip and PUA mappings (bug 19575).Carlos O'Donell
2016-02-24Remove linux/fanotify.h configure test.Joseph Myers
Now we require Linux 3.2 or later kernel headers everywhere, the configure test for <linux/fanotify.h> is obsolete; this patch removes it. Tested for x86_64. * sysdeps/unix/sysv/linux/configure.ac (linux/fanotify.h): Do not test for header. * sysdeps/unix/sysv/linux/configure: Regenerated. * config.h.in (HAVE_LINUX_FANOTIFY_H): Remove #undef. * sysdeps/unix/sysv/linux/tst-fanotify.c [!HAVE_LINUX_FANOTIFY_H]: Remove conditional code. [HAVE_LINUX_FANOTIFY_H]: Make code unconditional.
2016-02-24Require Linux 3.2 except on x86 / x86_64, 3.2 headers everywhere.Joseph Myers
In <https://sourceware.org/ml/libc-alpha/2016-01/msg00885.html> I proposed a minimum Linux kernel version of 3.2 for glibc 2.24, since Linux 2.6.32 has reached EOL. In the discussion in February, some concerns were expressed about compatibility with OpenVZ containers. It's not clear that these are real issues, given OpenVZ backporting kernel features and faking the kernel version for guest software, as discussed in <https://sourceware.org/ml/libc-alpha/2016-02/msg00278.html>. It's also not clear that supporting running GNU/Linux distributions from late 2016 (at the earliest) on a kernel series from 2009 is a sensible expectation. However, as an interim step, this patch increases the requirement everywhere except x86 / x86_64 (since the controversy was only about those architectures); the special caveats and settings can easily be removed later when we're ready to increase the requirements on x86 / x86_64 (and if someone would like to raise the issue on LWN as suggested in the previous discussion, that would be welcome). 3.2 kernel headers are required everywhere by this patch. (x32 already requires 3.4 or later, so is unaffected by this patch.) As usual for such a change, this patch only changes the configure scripts and associated documentation. The intent is to follow up with removal of dead __LINUX_KERNEL_VERSION conditionals. Each __ASSUME_* or other macro that becomes dead can then be removed independently. Tested for x86_64 and x86. * sysdeps/unix/sysv/linux/configure.ac (LIBC_LINUX_VERSION): Define to 3.2.0. (arch_minimum_kernel): Likewise. * sysdeps/unix/sysv/linux/configure: Regenerated. * sysdeps/unix/sysv/linux/i386/configure.ac (arch_minimum_kernel): Define to 2.6.32. * sysdeps/unix/sysv/linux/i386/configure: Regenerated. * sysdeps/unix/sysv/linux/x86_64/64/configure.ac (arch_minimum_kernel): Define to 2.6.32. * sysdeps/unix/sysv/linux/x86_64/64/configure: Regenerated. * README: Document Linux 3.2 requirement. * manual/install.texi (Linux): Document Linux 3.2 headers requirement. * INSTALL: Regenerated.
2016-02-24Don't use long double math functions if NO_LONG_DOUBLEAndreas Schwab
2016-02-22Add fts64_* to sysdeps/arm/nacl/libc.abilistRoland McGrath
2016-02-22intl: reintroduce unintentionally disabled optimizationDmitry V. Levin
HAVE_BUILTIN_EXPECT macro was removed by commit glibc-2.14-280-g3ce1f29, but then its use was unintentionally reintroduced during merge with GNU gettext 0.19.3 by commit glibc-2.20-324-g6d24885, effectively disabling all optimization based on __builtin_expect. As intl files are also part of GNU gettext, HAVE_BUILTIN_EXPECT macro cannot be removed, so define it unconditionally in config.h.in instead. [BZ #19512] * config.h.in (HAVE_BUILTIN_EXPECT): New macro.
2016-02-22Add missing inclusion of libc-internal.h.Stefan Liebler
The build of posix/tst-dir.c fails due to undefined DIAG_* macros. The usage of the macros were introduced in recent commit 7584a3f96de88d5eefe5d6c634515278cbfbf052 "Deprecate readdir_r, readdir64_r [BZ #19056]". This patch adds the missing header libc-internal.h.
2016-02-20Deprecate readdir_r, readdir64_r [BZ #19056]Florian Weimer
2016-02-19[x86_64] Set DL_RUNTIME_UNALIGNED_VEC_SIZE to 8H.J. Lu
Due to GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066 __tls_get_addr may be called with 8-byte stack alignment. Although this bug has been fixed in GCC 4.9.4, 5.3 and 6, we can't assume that stack will be always aligned at 16 bytes. Since SSE optimized memory/string functions with aligned SSE register load and store are used in the dynamic linker, we must set DL_RUNTIME_UNALIGNED_VEC_SIZE to 8 so that _dl_runtime_resolve_sse will align the stack before calling _dl_fixup: Dump of assembler code for function _dl_runtime_resolve_sse: 0x00007ffff7deea90 <+0>: push %rbx 0x00007ffff7deea91 <+1>: mov %rsp,%rbx 0x00007ffff7deea94 <+4>: and $0xfffffffffffffff0,%rsp ^^^^^^^^^^^ Align stack to 16 bytes 0x00007ffff7deea98 <+8>: sub $0x100,%rsp 0x00007ffff7deea9f <+15>: mov %rax,0xc0(%rsp) 0x00007ffff7deeaa7 <+23>: mov %rcx,0xc8(%rsp) 0x00007ffff7deeaaf <+31>: mov %rdx,0xd0(%rsp) 0x00007ffff7deeab7 <+39>: mov %rsi,0xd8(%rsp) 0x00007ffff7deeabf <+47>: mov %rdi,0xe0(%rsp) 0x00007ffff7deeac7 <+55>: mov %r8,0xe8(%rsp) 0x00007ffff7deeacf <+63>: mov %r9,0xf0(%rsp) 0x00007ffff7deead7 <+71>: movaps %xmm0,(%rsp) 0x00007ffff7deeadb <+75>: movaps %xmm1,0x10(%rsp) 0x00007ffff7deeae0 <+80>: movaps %xmm2,0x20(%rsp) 0x00007ffff7deeae5 <+85>: movaps %xmm3,0x30(%rsp) 0x00007ffff7deeaea <+90>: movaps %xmm4,0x40(%rsp) 0x00007ffff7deeaef <+95>: movaps %xmm5,0x50(%rsp) 0x00007ffff7deeaf4 <+100>: movaps %xmm6,0x60(%rsp) 0x00007ffff7deeaf9 <+105>: movaps %xmm7,0x70(%rsp) [BZ #19679] * sysdeps/x86_64/dl-trampoline.S (DL_RUNIME_UNALIGNED_VEC_SIZE): Renamed to ... (DL_RUNTIME_UNALIGNED_VEC_SIZE): This. Set to 8. (DL_RUNIME_RESOLVE_REALIGN_STACK): Renamed to ... (DL_RUNTIME_RESOLVE_REALIGN_STACK): This. Updated. (DL_RUNIME_RESOLVE_REALIGN_STACK): Renamed to ... (DL_RUNTIME_RESOLVE_REALIGN_STACK): This. * sysdeps/x86_64/dl-trampoline.h (DL_RUNIME_RESOLVE_REALIGN_STACK): Renamed to ... (DL_RUNTIME_RESOLVE_REALIGN_STACK): This.
2016-02-19elf.h: Add NT_ARM_SYSTEM_CALL constant.Mark Wielaard
Linux kernel 3.18 added the NT_ARM_SYSTEM_CALL regset for aarch64. * elf/elf.h: Add NT_ARM_SYSTEM_CALL.
2016-02-19elf/elf.h: Add new 386 and X86_64 relocations from binutils.Mark Wielaard
The following new 386 and X86_64 were added to binutils. They are non-dynamic relocations, so don't need direct handling in glibc. But other programs, like elfutils, use the glibc elf.h definitions for the names and numbers when inspecting ET_REL files. R_386_GOT32X was proposed in https://groups.google.com/forum/#!topic/ia32-abi/GbJJskkid4I X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX were proposed in https://groups.google.com/forum/#!topic/x86-64-abi/n9AWHogmVY0 There also used to be R_X86_64_PC32_BND and R_X86_64_PLT32_BND but those already got deprecated in https://groups.google.com/d/msg/x86-64-abi/-hdQyMixt8Y/XFDOvioG85cJ * elf/elf.h (R_386_GOT32X): New. (R_386_NUM): Update. (R_X86_64_GOTPCRELX: New. (R_X86_64_REX_GOTPCRELX): New. (R_X86_64_NUM): Update.
2016-02-19test-skeleton: increase default TIMEOUT to 20 secondsMike Frysinger
The vast majority of timeouts I've seen w/glibc tests are due to: - slow system (e.g. <1 GHz cpu) - loaded system (e.g. lots of parallelism) Even then, I've seen timeouts on system I don't generally consider slow, or even loaded, and considering TIMEOUT is set to <=10 in ~60 tests (and <=20 in ~75 tests), it seems I'm not alone. I've just gotten in the habit of doing `export TIMEOUTFACTOR=10` on all my setups. In the edge case where there is a bug in the test and the timeout is hit, I think we all agree that's either a problem with the test or a real bug in the library somewhere. In either case, the incident rate should be low, so catering to that seems like the wrong trade-off. Other developers too usually set large timeout factors. Increase the default to 20 seconds to match reality.
2016-02-19locales: pap_AN: delete old/deprecated locale [BZ #16003]Mike Frysinger
From the bug: Netherlands Antilles was dissolved, and "AN" is not a part of ISO 3166 anymore. According to setlocale(3), "territory is an ISO 3166 country code". We now have pap_AW and pap_CW. Reported-by: Chris Leonard <cjlhomeaddress@gmail.com>
2016-02-19localedata: CLDRv28: update LC_TELEPHONE.int_prefixMike Frysinger
This updates a bunch of locales based on CLDR v28 data: ar_SS: int_prefix: changing 249 to 211 bn_BD: int_prefix: changing 88 to 880 dz_BT: int_prefix: changing 66 to 975 en_HK: int_prefix: changing to 852 en_PH: int_prefix: changing to 63 en_SG: int_prefix: changing to 65 es_DO: int_prefix: changing 1809 to 1 es_PA: int_prefix: changing 502 to 507 es_PR: int_prefix: changing 1787 to 1 km_KH: int_prefix: changing 856 to 855 mt_MT: int_prefix: changing to 356 ne_NP: int_prefix: changing 91 to 977 pap_AW: int_prefix: changing 599 to 297 the_NP: int_prefix: changing 91 to 977 tk_TM: int_prefix: changing to 993 uz_UZ: int_prefix: changing 27 to 998 zh_SG: int_prefix: changing to 65 I've also checked these against https://countrycode.org/. Note: the Dominican Republic (DO) and Puerto Rico (PR) updates are correct: they both use +1. Historically, DO had one area code of 809 and PR of 787 which is why they were listed as such, but they have both expanded into 829 and 989 respectively, so using the four digit value is def incorrect now.
2016-02-19nptl: support thread stacks that grow upCarlos O'Donell
Gentoo has been carrying this for all arches since 2.17. URL: http://bugs.gentoo.org/301642
2016-02-19Update NEWS with 2.24 templateAdhemerval Zanella
2016-02-19Fix ldbl-128ibm nextafterl, nexttowardl sign of zero result (bug 19678).Joseph Myers
The ldbl-128ibm implementation of nextafterl / nexttowardl returns -0 in FE_DOWNWARD mode when taking the next value below the least positive subnormal, when it should return +0. This patch fixes it to check explicitly for this case. Tested for powerpc. [BZ #19678] * sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c (__nextafterl): Ensure +0.0 is returned when taking the next value below the least positive value.
2016-02-19malloc: Remove NO_THREADSFlorian Weimer
No functional change. It was not possible to build without threading support before.
2016-02-19malloc: Remove max_total_mem member form struct malloc_parFlorian Weimer
Also note that sumblks in struct mallinfo is always 0. No functional change.
2016-02-19malloc: Remove arena_mem variableFlorian Weimer
The computed value is never used. The accesses were data races.
2016-02-19res_ninit: Update commentFlorian Weimer
Since commit e66e7419a6f58200eec6941b14e2dcff9875cc6c (Actually make it possible to user the default name server.), the default is INADDR_LOOPBACK, not INADDR_ANY.
2016-02-19Improve file descriptor checks for posix_spawn actions [BZ #19505]Florian Weimer
2016-02-19Remove trailing newline from date_fmt in Serbian locales [BZ #19581]Florian Weimer
2016-02-19tst-malloc-thread-exit: Use fewer system resourcesFlorian Weimer
2016-02-19localedata: dz_BT/ps_AF: reformat dataMike Frysinger
ps_AF is the only file that indents fields with tabs. Kill them. dz_BT is the only file with a slightly indented field. Kill that.
2016-02-18locledata: trim trailing blank lines/commentsMike Frysinger
No functional changes, just trying to standardize the format a bit.
2016-02-19Fix ldbl-128ibm powl overflow handling (bug 19674).Joseph Myers
The ldbl-128ibm implementation of powl has some problems in the case of overflow or underflow, which are mainly visible in non-default rounding modes. * When overflow or underflow is detected early, the correct sign of an overflowing or underflowing result is not allowed for. This is mostly hidden in the default rounding mode by the errno-setting wrappers recomputing the result (except in non-default error-handling modes such as -lieee), but visible in other rounding modes where a result that is not zero or infinity causes the wrappers not to do the recomputation. * The final scaling is done before the sign is incorporated in the result, but should be done afterwards for correct overflowing and underflowing results in directed rounding modes. This patch fixes those problems. Tested for powerpc. [BZ #19674] * sysdeps/ieee754/ldbl-128ibm/e_powl.c (__ieee754_powl): Include sign in overflowing and underflowing results when overflow or underflow is detected early. Include sign in result before rather than after scaling.
2016-02-19Fix ldbl-128ibm remainderl, remquol equality tests (bug 19603).Joseph Myers
The ldbl-128ibm implementations of remainderl and remquol have logic resulting in incorrect tests for equality of the absolute values of the arguments. Equality is tested based on the integer representations of the high and low parts, with the sign bit masked off the high part - but when this changes the sign of the high part, the sign of the low part needs to be changed as well, and failure to do this means arguments are wrongly treated as equal when they are not. This patch fixes the logic to adjust signs of low parts as needed. Tested for powerpc. [BZ #19603] * sysdeps/ieee754/ldbl-128ibm/e_remainderl.c (__ieee754_remainderl): Adjust sign of integer version of low part when taking absolute value of high part. * sysdeps/ieee754/ldbl-128ibm/s_remquol.c (__remquol): Likewise. * math/libm-test.inc (remainder_test_data): Add another test. (remquo_test_data): Likewise.
2016-02-18Fix ldbl-128ibm fmodl handling of equal arguments with low part zero (bug ↵Joseph Myers
19602). The ldbl-128ibm implementation of fmodl has logic to detect when the first argument has absolute value less than or equal to the second. This logic is only correct for nonzero low parts; if the high parts are equal and the low parts are zero, then the signs of the low parts (which have no semantic effect on the value of the long double number) can result in equal values being wrongly treated as unequal, and an incorrect result being returned from fmodl. This patch fixes this by checking for the case of zero low parts. Although this does show up in tests from libm-test.inc (both tests of fmodl, and, indirectly, of remainderl / dreml), the dependence on non-semantic zero low parts means that test shouldn't be expected to reproduce it reliably; thus, this patch adds a standalone test that sets up affected values using unions. Tested for powerpc. [BZ #19602] * sysdeps/ieee754/ldbl-128ibm/e_fmodl.c (__ieee754_fmodl): Handle equal high parts and both low parts zero specially. * sysdeps/ieee754/ldbl-128ibm/test-fmodl-ldbl-128ibm.c: New test. * sysdeps/ieee754/ldbl-128ibm/Makefile [$(subdir) = math] (tests): Add test-fmodl-ldbl-128ibm.
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