mirror/glibc - mirror of git://sourceware.org/git/glibc.git

	Commit message (Collapse)	Author	Age	Files	Lines
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2020-01-01	11	-11/+11
\|
*	Prefer https to http for gnu.org and fsf.org URLs	Paul Eggert	2019-09-07	11	-11/+11
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http\|ftp)(://(.\.)?(gnu\|fsf\|sourceware)\.org($\|[^.]\|\.[^a-z])),https\2,g s,(http\|ftp)(://(.\.)?)sources\.redhat\.com($\|[^.]\|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '.po' \ ! -name 'ChangeLog' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: * error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: * error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2019-01-01	11	-11/+11
\| \| \| \| \| \| \|	* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
*	Fix i686 build with GCC 9.	Joseph Myers	2018-11-12	6	-6/+6
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch fixes the glibc build for i686 with current mainline GCC, where there are warnings about inconsistent attributes for aliases in certain files defining libm IFUNCs. In three of the files, the aliases were defined in terms of internal symbols such as __sinf, and copied attributes from file-local declarations of those functions which lacked the nothrow attribute. Since the nothrow attribute is present on the declarations from <math.h> (which include declarations of those __-prefixed functions), the natural fix was to include <math.h> in those files, replacing the local declarations. In the other three files, a more complicated __hidden_ver1 call was involved in the warnings. <math.h> has not been included at this point and, furthermore, it is included indirectly only later in the source file after macros have been defined to remap a function name therein. So there isn't an obvious declaration from which to copy the attribute and it seems simplest and safest just to add __THROW to the hidden_ver1 calls. Tested for i686 (build-many-glibcs.py compilers build for x86_64-linux-gnu with GCC mainline; full testsuite run with GCC 7). * sysdeps/i386/i686/fpu/multiarch/e_expf.c [SHARED]: Use __THROW with __hidden_ver1 call. * sysdeps/i386/i686/fpu/multiarch/e_log2f.c [SHARED]: Likewise. * sysdeps/i386/i686/fpu/multiarch/e_logf.c [SHARED]: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Include <math.h>. (__cosf): Do not declare here. * sysdeps/i386/i686/fpu/multiarch/s_sincosf.c: Include <math.h>. (__sincosf): Do not declare here. * sysdeps/i386/i686/fpu/multiarch/s_sinf.c: Include <math.h>. (__sinf): Do not declare here.
*	math: Update i686 ulps	Florian Weimer	2018-06-01	1	-270/+278
\| \| \| \| \|	The results are from building with “-march=x86-64 -mtune=generic -mfpmath=sse” and running the testsuite on a Haswell-era CPU.
*	Update i386 libm-test-ulps.	Adhemerval Zanella	2018-04-06	1	-4/+10
\| \| \| \| \| \| \| \|	Updated ulps after recent commit "[PATCH 1/7] sin/cos slow paths: avoid slow paths for small inputs" (19a8b9a300f2f1f0012aff0f2b70b09430f50d9e). * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Update.
*	Update i386 libm-test-ulps.	Joseph Myers	2018-03-16	1	-12/+12
\| \| \| \| \| \| \| \| \|	I found the i386 libm-test-ulps files needed updating (probably the sqrt changes perturbed exactly when excess precision was used by the compiler). * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2018-01-01	11	-11/+11
\| \| \| \| \| \| \|	* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
*	Add _Float32 function aliases.	Joseph Myers	2017-12-07	1	-2/+5
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch concludes filling out TS 18661-3 support for different types by adding f32 function aliases of float functions to support _Float32. As with _Float64 and _Float32x, this is supported for all glibc configurations. As with the previous such patches there are some x86 ulps updates because of inline functions present for float but not for _Float32. The patch also has the usual bits/floatn-common.h update, symbol versions, ABI baselines updates, test enablement and documentation. Tested for x86_64 and x86, and with build-many-glibcs.py, with both GCC 6 and GCC 7. bits/floatn-common.h (__HAVE_FLOAT32): Define to 1. * manual/math.texi (Mathematics): Document support for _Float32. * math/Makefile (test-types): Add float32. * math/Versions (GLIBC_2.27): Add _Float32 functions. * stdlib/Versions (GLIBC_2.27): Likewise. * wcsmbs/Versions (GLIBC_2.27): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
*	Add _Float64, _Float32x function aliases.	Joseph Myers	2017-12-06	1	-6/+7
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch continues filling out TS 18661-3 support by adding f64 and f32x function aliases, supporting _Float64 and _Float32x, as aliases for double functions. These types are supported for all glibc configurations. The API corresponds exactly to that for _Float128 and _Float64x. _Float32 aliases to float functions remain to be added in subsequent patches to complete this process (then there are a few miscellaneous functions in TS 18661-3 to implement that aren't simply versions of existing functions for new types). The patch enables the feature in bits/floatn-common.h, adds symbol versions and documentation with updates to ABI baselines, and arranges for the libm functions for the new types to be tested. As with the _Float64x changes there are some x86 ulps updates because of header inlines not used for the new types (and one other change to the non-multiarch libm-test-ulps, which I suppose comes from using a different compiler version / configuration from when it was last regenerated). Tested for x86_64 and x86, and with build-many-glibcs.py, with both GCC 6 and GCC 7. * bits/floatn-common.h (__HAVE_FLOAT64): Define to 1. (__HAVE_FLOAT32X): Likewise. * manual/math.texi (Mathematics): Document support for _Float64 and _Float32x. * math/Makefile (test-types): Add float64 and float32x. * math/Versions (GLIBC_2.27): Add _Float64 and _Float32x functions. * stdlib/Versions (GLIBC_2.27): Likewise. * wcsmbs/Versions (GLIBC_2.27): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
*	Use libm_alias_float for i386.	Joseph Myers	2017-11-29	8	-8/+21
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes i386 libm function implementations use libm_alias_float (or libm_alias_float_other in cases where the main symbol name is defined with versioned_symbol) to define function aliases. Tested with build-many-glibcs.py for all its i386 configurations that installed stripped shared libraries are unchanged by the patch, as well as running the full glibc testsuite for i686. * sysdeps/i386/fpu/s_asinhf.S: Include <libm-alias-float.h>. (asinhf): Define using libm_alias_float. * sysdeps/i386/fpu/s_atanf.S: Include <libm-alias-float.h>. (atanf): Define using libm_alias_float. * sysdeps/i386/fpu/s_cbrtf.S: Include <libm-alias-float.h>. (cbrtf): Define using libm_alias_float. * sysdeps/i386/fpu/s_ceilf.S: Include <libm-alias-float.h>. (ceilf): Define using libm_alias_float. * sysdeps/i386/fpu/s_copysignf.S: Include <libm-alias-float.h>. (copysignf): Define using libm_alias_float. * sysdeps/i386/fpu/s_expm1f.S: Include <libm-alias-float.h>. (expm1f): Define using libm_alias_float. * sysdeps/i386/fpu/s_fabsf.S: Include <libm-alias-float.h>. (fabsf): Define using libm_alias_float. * sysdeps/i386/fpu/s_floorf.S: Include <libm-alias-float.h>. (floorf): Define using libm_alias_float. * sysdeps/i386/fpu/s_fmaxf.S: Include <libm-alias-float.h>. (fmaxf): Define using libm_alias_float. * sysdeps/i386/fpu/s_fminf.S: Include <libm-alias-float.h>. (fminf): Define using libm_alias_float. * sysdeps/i386/fpu/s_frexpf.S: Include <libm-alias-float.h>. (frexpf): Define using libm_alias_float. * sysdeps/i386/fpu/s_llrintf.S: Include <libm-alias-float.h>. (llrintf): Define using libm_alias_float. * sysdeps/i386/fpu/s_logbf.S: Include <libm-alias-float.h>. (logbf): Define using libm_alias_float. * sysdeps/i386/fpu/s_lrintf.S: Include <libm-alias-float.h>. (lrintf): Define using libm_alias_float. * sysdeps/i386/fpu/s_nearbyintf.S: Include <libm-alias-float.h>. (nearbyintf): Define using libm_alias_float. * sysdeps/i386/fpu/s_remquof.S: Include <libm-alias-float.h>. (remquof): Define using libm_alias_float. * sysdeps/i386/fpu/s_rintf.S: Include <libm-alias-float.h>. (rintf): Define using libm_alias_float. * sysdeps/i386/fpu/s_truncf.S: Include <libm-alias-float.h>. (truncf): Define using libm_alias_float. * sysdeps/i386/i686/fpu/multiarch/e_exp2f.c: Include <libm-alias-float.h>. (exp2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/i386/i686/fpu/multiarch/e_expf.c: Include <libm-alias-float.h>. (expf): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/i386/i686/fpu/multiarch/e_log2f.c: Include <libm-alias-float.h>. (log2f): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/i386/i686/fpu/multiarch/e_logf.c: Include <libm-alias-float.h>. (logf): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/i386/i686/fpu/multiarch/e_powf.c: Include <libm-alias-float.h>. (powf): Define using libm_alias_float, or libm_alias_float_other if [SHARED]. * sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Include <libm-alias-float.h>. (cosf): Define using libm_alias_float. * sysdeps/i386/i686/fpu/multiarch/s_sincosf.c: Include <libm-alias-float.h>. (sincosf): Define using libm_alias_float. * sysdeps/i386/i686/fpu/multiarch/s_sinf.c: Include <libm-alias-float.h>. (sinf): Define using libm_alias_float. * sysdeps/i386/i686/fpu/s_fmaxf.S: Include <libm-alias-float.h>. (fmaxf): Define using libm_alias_float. * sysdeps/i386/i686/fpu/s_fminf.S: Include <libm-alias-float.h>. (fminf): Define using libm_alias_float. * sysdeps/i386/i686/multiarch/s_fmaf.c: Include <libm-alias-float.h>. (fmaf): Define using libm_alias_float.
*	Add _Float64x function aliases.	Joseph Myers	2017-11-27	1	-4/+4
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch continues filling out TS 18661-3 support by adding f64x function aliases on platforms with _Float64x support. (It so happens the set of such platforms is exactly the same as the set of platforms with _Float128 support, although on x86_64, x86 and ia32 the _Float64x format is Intel extended rather than binary128.) The API provided corresponds exactly to that provided for _Float128, mostly coming from TS 18661-3. As these functions always alias those for another type (long double, _Float128 or both), __ function names are not provided, as in other cases of alias types. Given the preparation done in previous patches, this one just enables the feature via Makeconfig and bits/floatn.h, adds symbol versions, and updates documentation and ABI baselines. The symbol versions are present unconditionally as GLIBC_2.27 in the relevant Versions files, as it's OK for those to specify versions for functions that may not be present in some configurations; no additional complexity is needed unless in future some configuration gains support for this type that didn't have such support in 2.27. The Makeconfig additions for ia64 and x86 aren't strictly needed, as those configurations also get float64x-alias-fcts definitions from sysdeps/ieee754/float128/Makeconfig, but still seem appropriate given that _Float64x is not _Float128 for those configurations. A libm-test-ulps update for x86 is included. This is because bits/mathinline.h does not have _Float64x support added and for two functions the use of out-of-line functions results in increased ulps (ifloat64x shares ulps with ildouble / ifloat128 as appropriate). Given that we'd like generally to eliminate bits/mathinline.h optimizations, preferring to have such optimizations in GCC instead, it seems reasonable not to add such support there for new types. GCC support for _FloatN / _FloatNx built-in functions is limited, but has been improved in GCC 8, and at some point I hope the full set of libm built-in functions in GCC, and other optimizations with per-floating-type aspects, will be enabled for all _FloatN / _FloatNx types. Tested for x86_64 and x86, and with build-many-glibcs.py, with both GCC 6 and GCC 7. * sysdeps/ia64/Makeconfig (float64x-alias-fcts): New variable. * sysdeps/ieee754/float128/Makeconfig (float64x-alias-fcts): Likewise. * sysdeps/ieee754/ldbl-128/Makeconfig (float64x-alias-fcts): Likewise. * sysdeps/x86/Makeconfig: New file. * bits/floatn-common.h (__HAVE_FLOAT64X): Remove macro. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * bits/floatn.h (__HAVE_FLOAT64X): New macro. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/ia64/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/ieee754/ldbl-128/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/mips/ieee754/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/powerpc/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/x86/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * manual/math.texi (Mathematics): Document support for _Float64x. * math/Versions (GLIBC_2.27): Add _Float64x functions. * stdlib/Versions (GLIBC_2.27): Likewise. * wcsmbs/Versions (GLIBC_2.27): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
*	i386: Replace assembly versions of e_powf with generic e_powf.c	H.J. Lu	2017-10-22	4	-7/+60
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch replaces i386 assembly versions of e_powf with generic e_powf.c. For workload-spec2017.wrf, on Nehalem, it improves performance by: Before After Improvement reciprocal-throughput 230.855 78.3358 194% latency 231.685 94.1259 146% On Skylake, it improves performance by: Before After Improvement reciprocal-throughput 239.858 47.4713 405% latency 247.57 93.8798 163% On IvyBridge with --disable-multi-arch, it improves performance by: Before After Improvement reciprocal-throughput 269.078 63.3758 324% latency 271.473 102.091 165% * sysdeps/i386/fpu/e_powf.S: Removed. * sysdeps/i386/fpu/e_powf_log2_data.c: Likewise. * sysdeps/i386/fpu/w_powf.c: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Updated for generic e_powf.c. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_powf-sse2. (CFLAGS-e_powf-sse2.c): New. * sysdeps/i386/i686/fpu/multiarch/e_powf-sse2.c: New file. * sysdeps/i386/i686/fpu/multiarch/e_powf.c: Likewise.
*	i386: Replace assembly versions of e_log2f with generic e_log2f.c	H.J. Lu	2017-10-22	4	-1/+47
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch replaces i386 assembly versions of e_log2f with generic e_log2f.c. For workload-spec2017.wrf, on Nehalem, it improves performance by: Before After Improvement reciprocal-throughput 92.3845 30.8752 199% latency 112.855 54.8645 105% On Skylake, it improves performance by: Before After Improvement reciprocal-throughput 98.7488 22.7507 334% latency 118.01 51.6083 128% On IvyBridge with --disable-multi-arch, it improves performance by: Before After Improvement reciprocal-throughput 106.635 28.8596 269% latency 129.888 56.9187 128% * sysdeps/i386/fpu/e_log2f.S: Removed. * sysdeps/i386/fpu/e_log2f_data.c: Likewise. * sysdeps/i386/fpu/w_log2f.c: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Updated for generic e_log2f.c. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_log2f-sse2. (CFLAGS-e_log2f-sse2.c): New. * sysdeps/i386/i686/fpu/multiarch/e_log2f-sse2.c: New file. * sysdeps/i386/i686/fpu/multiarch/e_log2f.c: Likewise.
*	i386: Replace assembly versions of e_logf with generic e_logf.c	H.J. Lu	2017-10-22	4	-8/+52
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch replaces i386 assembly versions of e_logf with generic e_logf.c. For workload-spec2017.wrf, on Nehalem, it improves performance by: Before After Improvement reciprocal-throughput 73.3865 40.0454 83% latency 90.0985 54.4479 65% On Skylake, it improves performance by: Before After Improvement reciprocal-throughput 75.1384 22.1452 239% latency 91.9441 50.7925 81% On IvyBridge with --disable-multi-arch, it improves performance by: Before After Improvement reciprocal-throughput 84.5575 28.7879 193% latency 103.971 57.5231 80% * sysdeps/i386/fpu/e_logf.S: Removed. * sysdeps/i386/fpu/e_logf_data.c: Likewise. * sysdeps/i386/fpu/w_logf.c: Likewise. * sysdeps/i386/i686/fpu/e_logf.S: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Updated for generic e_logf.c. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_logf-sse2. (CFLAGS-e_logf-sse2.c): New. * sysdeps/i386/i686/fpu/multiarch/e_logf-sse2.c: New file. * sysdeps/i386/i686/fpu/multiarch/e_logf.c: Likewise.
*	i386: Replace assembly versions of e_exp2f with generic e_exp2f.c	H.J. Lu	2017-10-22	4	-1/+44
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch replaces i386 assembly versions of e_exp2f with generic e_exp2f.c. For workload-spec2017.wrf, on Nehalem, it improves performance by: Before After Improvement reciprocal-throughput 112.996 40.0454 182% latency 126.581 54.4479 132% On Skylake, it improves performance by: Before After Improvement reciprocal-throughput 113.14 39.447 186% latency 136.068 55.684 144% On IvyBridge with --disable-multi-arch, it improves performance by: Before After Improvement reciprocal-throughput 132.521 40.3759 228% latency 145.791 58.4587 149% * sysdeps/i386/fpu/e_exp2f.S: Removed. * sysdeps/i386/fpu/w_exp2f.c: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Updated for generic e_exp2f.c. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_exp2f-sse2. (CFLAGS-e_exp2f-sse2.c): New. * sysdeps/i386/i686/fpu/multiarch/e_exp2f-sse2.c: New file. * sysdeps/i386/i686/fpu/multiarch/e_exp2f.c: Likewise.
*	i386: Replace assembly versions of e_expf with generic e_expf.c	H.J. Lu	2017-10-22	7	-365/+29
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch replaces i386 assembly versions of e_expf with generic e_expf.c. For workload-spec2017.wrf, on Nehalem, it improves performance by: Before After Improvement reciprocal-throughput 55.5724 40.2664 38% latency 80.0687 60.8517 31% On Skylake, it improves performance by: Before After Improvement reciprocal-throughput 62.4056 39.4188 58% latency 85.5496 59.6377 43% On IvyBridge with --disable-multi-arch, it improves performance by: Before After Improvement reciprocal-throughput 133.707 40.3778 231% latency 149.191 63.2515 135% * sysdeps/i386/fpu/e_exp2f_data.c: Removed. * sysdeps/i386/fpu/e_expf.S: Likewise. * sysdeps/i386/fpu/math_errf.c: Likewise. * sysdeps/i386/fpu/w_expf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/e_expf-ia32.S: Likewise. * sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.S: Likewise. * sysdeps/i386/i686/fpu/multiarch/w_expf.c: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Updated for generic e_expf.c. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/Makefile (libm-sysdep_routines): Remove e_expf-ia32. (CFLAGS-e_expf-sse2.c): New. * sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.c: New file. * sysdeps/i386/i686/fpu/multiarch/e_expf.c: Rewritten.
*	Do not wrap expf and exp2f	Szabolcs Nagy	2017-10-02	1	-0/+1
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	The new generic expf and exp2f code don't need wrappers any more, they set errno inline, so only use the wrappers on targets that need it. (If the wrapper is needed, then the top level wrapper code is included, otherwise empty w_expf.c is used to suppress the wrapper.) A powerpc64 expf implementation includes the expf c code directly which needed some changes. sysdeps/ieee754/flt-32/e_exp2f.c (__exp2f): Define without wrapper. * sysdeps/ieee754/flt-32/e_expf.c (__expf): Likewise * sysdeps/ieee754/flt-32/w_exp2f.c: New file. * sysdeps/ieee754/flt-32/w_expf.c: New file. * sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c: Update for the new expf code. * sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c: New file. * sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c: New file. * sysdeps/m68k/m680x0/fpu/w_exp2f.c: New file. * sysdeps/m68k/m680x0/fpu/w_expf.c: New file. * sysdeps/i386/fpu/w_exp2f.c: New file. * sysdeps/i386/fpu/w_expf.c: New file. * sysdeps/i386/i686/fpu/multiarch/w_expf.c: New file. * sysdeps/x86_64/fpu/w_expf.c: New file.
*	Obsolete pow10 functions.	Joseph Myers	2017-09-01	1	-30/+0
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch obsoletes the pow10, pow10f and pow10l functions (makes them into compat symbols, not available for new ports or static linking). The exp10 names for these functions are standardized (in TS 18661-4) and were added in the same glibc version (2.1) as pow10 so source code can change to use them without any loss of portability. Since pow10 is deliberately not provided for _Float128, only exp10, this slightly simplifies moving to the new wrapper templates in the !LIBM_SVID_COMPAT case, by avoiding needing to arrange for pow10, pow10f and pow10l to be defined by those templates. Tested for x86_64, and with build-many-glibcs.py. * manual/math.texi (pow10): Do not document. (pow10f): Likewise. (pow10l): Likewise. * math/bits/mathcalls.h [__USE_GNU] (pow10): Do not declare. * math/bits/math-finite.h [__USE_GNU] (pow10): Likewise. * math/libm-test-exp10.inc (pow10_test): Remove. (do_test): Do not call pow10. * math/w_exp10_compat.c (pow10): Make into compat symbol. [NO_LONG_DOUBLE] (pow10l): Likewise. * math/w_exp10f_compat.c (pow10f): Likewise. * math/w_exp10l_compat.c (pow10l): Likewise. * sysdeps/ia64/fpu/e_exp10.S: Include <shlib-compat.h>. (pow10): Make into compat symbol. * sysdeps/ia64/fpu/e_exp10f.S: Include <shlib-compat.h>. (pow10f): Make into compat symbol. * sysdeps/ia64/fpu/e_exp10l.S: Include <shlib-compat.h>. (pow10l): Make into compat symbol. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Remove pow10. (CFLAGS-nldbl-pow10.c): Remove variable.. * sysdeps/ieee754/ldbl-opt/nldbl-pow10.c: Remove file. * sysdeps/ieee754/ldbl-opt/w_exp10_compat.c (pow10l): Condition on [SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)]. * sysdeps/ieee754/ldbl-opt/w_exp10l_compat.c (compat_symbol): Undefine and redefine. (pow10l): Make into compat symbol. * sysdeps/aarch64/libm-test-ulps: Remove pow10 ulps. * sysdeps/alpha/fpu/libm-test-ulps: Likewise. * sysdeps/arm/libm-test-ulps: Likewise. * sysdeps/hppa/fpu/libm-test-ulps: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/microblaze/libm-test-ulps: Likewise. * sysdeps/mips/mips32/libm-test-ulps: Likewise. * sysdeps/mips/mips64/libm-test-ulps: Likewise. * sysdeps/nios2/libm-test-ulps: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps: Likewise. * sysdeps/powerpc/nofpu/libm-test-ulps: Likewise. * sysdeps/s390/fpu/libm-test-ulps: Likewise. * sysdeps/sh/libm-test-ulps: Likewise. * sysdeps/sparc/fpu/libm-test-ulps: Likewise. * sysdeps/tile/libm-test-ulps: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	i686/multiarch: Regenerate ulps	Aurelien Jarno	2017-08-03	1	-7/+7
\| \| \| \| \| \| \|	This comes from running “make regen-ulps” on an AMD Opteron 2378 CPU. Changelog: * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Regenerated.
*	Add float128 support for x86_64, x86.	Joseph Myers	2017-06-26	1	-0/+562
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch enables float128 support for x86_64 and x86. All GCC versions that can build glibc provide the required support, but since GCC 6 and before don't provide __builtin_nanq / __builtin_nansq, sNaN tests and some tests of NaN payloads need to be disabled with such compilers (this does not affect the generated glibc binaries at all, just the tests). bits/floatn.h declares float128 support to be available for GCC versions that provide the required libgcc support (4.3 for x86_64, 4.4 for i386 GNU/Linux, 4.5 for i386 GNU/Hurd); compilation-only support was present some time before then, but not really useful without the libgcc functions. fenv_private.h needed updating to avoid trying to put _Float128 values in registers. I make no assertion of optimality of the math_opt_barrier / math_force_eval definitions for this case; they are simply intended to be sufficient to work correctly. Tested for x86_64 and x86, with GCC 7 and GCC 6. (Testing for x32 was compilation tests only with build-many-glibcs.py to verify the ABI baseline updates. I have not done any testing for Hurd, although the float128 support is enabled there as for GNU/Linux.) * sysdeps/i386/Implies: Add ieee754/float128. * sysdeps/x86_64/Implies: Likewise. * sysdeps/x86/bits/floatn.h: New file. * sysdeps/x86/float128-abi.h: Likewise. * manual/math.texi (Mathematics): Document support for _Float128 on x86_64 and x86. * sysdeps/i386/fpu/fenv_private.h: Include <bits/floatn.h>. (math_opt_barrier): Do not put _Float128 values in floating-point registers. (math_force_eval): Likewise. [__x86_64__] (SET_RESTORE_ROUNDF128): New macro. * sysdeps/x86/fpu/Makefile [$(subdir) = math] (CPPFLAGS): Append to Makefile variable. * sysdeps/x86/fpu/e_sqrtf128.c: New file. * sysdeps/x86/fpu/sfp-machine.h: Likewise. Based on libgcc. * sysdeps/x86/math-tests.h: New file. * math/libm-test-support.h (XFAIL_FLOAT128_PAYLOAD): New macro. * math/libm-test-getpayload.inc (getpayload_test_data): Use XFAIL_FLOAT128_PAYLOAD. * math/libm-test-setpayload.inc (setpayload_test_data): Likewise. * math/libm-test-totalorder.inc (totalorder_test_data): Likewise. * math/libm-test-totalordermag.inc (totalordermag_test_data): Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Update. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	Update x86 ulps for GCC 7.	Joseph Myers	2017-06-23	1	-8/+8
\| \| \| \| \| \| \| \| \| \|	Testing with GCC 7 for 32-bit x86 showed some ulps differences, presumably from variation in when values with excess precision get spilled to the stack and so lose that precision. This patch updates the libm-test-ulps files accordingly. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
*	Remove __need macros from errno.h (__need_Emath, __need_error_t).	Zack Weinberg	2017-06-14	3	-6/+3
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This is fairly complicated, not because the users of __need_Emath and __need_error_t have complicated requirements, but because the core changes had a lot of fallout. __need_error_t exists for gnulib compatibility in argz.h and argp.h. error_t itself is a Hurdism, an enum containing all the E-constants, so you can do 'p (error_t) errno' in gdb and get a symbolic value. argz.h and argp.h use it for function return values, and they want to fall back to 'int' when that's not available. There is no reason why these nonstandard headers cannot just go ahead and include all of errno.h; so we do that. __need_Emath is defined only by .S files; what they _really_ need is for errno.h to avoid declaring anything other than the E-constants (e.g. 'extern int __errno_location(void);' is a syntax error in assembly language). This is replaced with a check for __ASSEMBLER__ in errno.h, plus a carefully documented requirement for bits/errno.h not to define anything other than macros. That in turn has the consequence that bits/errno.h must not define errno - fortunately, all live ports use the same definition of errno, so I've moved it to errno.h. The Hurd bits/errno.h must also take care not to define error_t when __ASSEMBLER__ is defined, which involves repeating all of the definitions twice, but it's a generated file so that's okay. * stdlib/errno.h: Remove __need_Emath and __need_error_t logic. Reorganize file. Declare errno here. When __ASSEMBLER__ is defined, don't declare anything other than the E-constants. * include/errno.h: Change conditional for exposing internal declarations to (not _ISOMAC and not __ASSEMBLER__). * bits/errno.h: Remove logic for __need_Emath. Document requirements for a port-specific bits/errno.h. * sysdeps/unix/sysv/linux/bits/errno.h * sysdeps/unix/sysv/linux/alpha/bits/errno.h * sysdeps/unix/sysv/linux/hppa/bits/errno.h * sysdeps/unix/sysv/linux/mips/bits/errno.h * sysdeps/unix/sysv/linux/sparc/bits/errno.h: Add multiple-include guard and check against improper inclusion. Remove __need_Emath logic. Don't declare errno here. Ensure all constants are defined as simple integer literals. Consistent formatting. * sysdeps/mach/hurd/errnos.awk: Likewise. Only define error_t and enum __error_t_codes if __ASSEMBLER__ is not defined. * sysdeps/mach/hurd/bits/errno.h: Regenerate. * argp/argp.h, string/argz.h: Don't define __need_error_t before including errno.h. * sysdeps/i386/i686/fpu/multiarch/s_cosf-sse2.S * sysdeps/i386/i686/fpu/multiarch/s_sincosf-sse2.S * sysdeps/i386/i686/fpu/multiarch/s_sinf-sse2.S * sysdeps/x86_64/fpu/s_cosf.S * sysdeps/x86_64/fpu/s_sincosf.S * sysdeps/x86_64/fpu/s_sinf.S: Just include errno.h; don't define __need_Emath or include bits/errno.h directly.
*	Move tests of catan, catanh to auto-libm-test-*.	Joseph Myers	2017-02-17	1	-0/+12
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch moves tests of catan and catanh with finite inputs (other than the divide-by-zero cases producing an exact infinity) to using the auto-libm-test machinery. Each of auto-libm-test-out-catan and auto-libm-test-out-catanh takes about three seconds to generate on my system (so in fact it wasn't necessary after all to defer the move to auto-libm-test-* until the output files were split up by function). Tested for x86_64 and x86 and ulps updated accordingly. * math/auto-libm-test-in: Add tests of catan and catanh. * math/auto-libm-test-out-catan: New generated file. * math/auto-libm-test-out-catanh: Likewise. * math/libm-test-catan.inc (catan_test_data): Use AUTO_TESTS_c_c. Move tests with finite inputs, except divide-by-zero cases, to auto-libm-test-in. * math/libm-test-catanh.inc (catanh_test_data): Likewise. * math/Makefile (libm-test-funcs-auto): Add catan and catanh. (libm-test-funcs-noauto): Remove catan and catanh. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	Move tests of casin, casinh to auto-libm-test-*.	Joseph Myers	2017-02-17	1	-36/+36
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch moves tests of casin and casinh with finite inputs to using the auto-libm-test machinery. Each of auto-libm-test-out-casin and auto-libm-test-out-casinh takes about 38 minutes to generate on my system because of MPC slowness on special cases that appear in the tests (with MPC 1.0.3; I don't know to what extent current MPC master might speed it up). Tested for x86_64 and x86 and ulps updated accordingly. * math/auto-libm-test-in: Add tests of casin and casinh. * math/auto-libm-test-out-casin: New generated file. * math/auto-libm-test-out-casinh: Likewise. * math/libm-test-casin.inc (casin_test_data): Use AUTO_TESTS_c_c. Move tests with finite inputs to auto-libm-test-in. * math/libm-test-casinh.inc (casinh_test_data): Likewise. * math/Makefile (libm-test-funcs-auto): Add casin and casinh. (libm-test-funcs-noauto): Remove casin and casinh. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	Move tests of cacos, cacosh to auto-libm-test-*.	Joseph Myers	2017-02-17	1	-18/+18
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch moves tests of cacos and cacosh with finite inputs to using the auto-libm-test machinery. Each of auto-libm-test-out-cacos and auto-libm-test-out-cacosh takes about 80 minutes to generate on my system because of MPC slowness on special cases that appear in the tests (with MPC 1.0.3; I don't know to what extent current MPC master might speed it up). Tested for x86_64 and x86 and ulps updated accordingly. * math/auto-libm-test-in: Add tests of cacos and cacosh. * math/auto-libm-test-out-cacos: New generated file. * math/auto-libm-test-out-cacosh: Likewise. * math/libm-test-cacos.inc (cacos_test_data): Use AUTO_TESTS_c_c. Move tests with finite inputs to auto-libm-test-in. * math/libm-test-cacosh.inc (cacosh_test_data): Likewise. * math/Makefile (libm-test-funcs-auto): Add cacos and cacosh. (libm-test-funcs-noauto): Remove cacos and cacosh. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2017-01-01	9	-9/+9
\|
*	Do not hardcode platform names in manual/libm-err-tab.pl (bug 14139).	Joseph Myers	2016-11-04	1	-0/+1
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	manual/libm-err-tab.pl hardcodes a list of names for particular platforms (mapping from sysdeps directory name to friendly name for the manual). This goes against the principle of keeping information about individual platforms in their corresponding sysdeps directory, and the list is also very out-of-date regarding supported platforms and their corresponding sysdeps directories. This patch fixes this by adding a libm-test-ulps-name file alongside each libm-test-ulps file. The script then gets the friendly name from that file, which is required to exist, so it no longer needs to allow for the mapping being missing. Tested for x86_64. [BZ #14139] * manual/libm-err-tab.pl (%pplatforms): Initialize to empty. (find_files): Obtain platform name from libm-test-ulps-name and store in %pplatforms. (canonicalize_platform): Remove. (print_platforms): Use $pplatforms directly. (by_platforms): Do not allow for platforms missing from %pplatforms. * sysdeps/aarch64/libm-test-ulps-name: New file. * sysdeps/alpha/fpu/libm-test-ulps-name: Likewise. * sysdeps/arm/libm-test-ulps-name: Likewise. * sysdeps/generic/libm-test-ulps-name: Likewise. * sysdeps/hppa/fpu/libm-test-ulps-name: Likewise. * sysdeps/i386/fpu/libm-test-ulps-name: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps-name: Likewise. * sysdeps/ia64/fpu/libm-test-ulps-name: Likewise. * sysdeps/m68k/coldfire/fpu/libm-test-ulps-name: Likewise. * sysdeps/m68k/m680x0/fpu/libm-test-ulps-name: Likewise. * sysdeps/microblaze/libm-test-ulps-name: Likewise. * sysdeps/mips/mips32/libm-test-ulps-name: Likewise. * sysdeps/mips/mips64/libm-test-ulps-name: Likewise. * sysdeps/nios2/libm-test-ulps-name: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps-name: Likewise. * sysdeps/powerpc/nofpu/libm-test-ulps-name: Likewise. * sysdeps/s390/fpu/libm-test-ulps-name: Likewise. * sysdeps/sh/libm-test-ulps-name: Likewise. * sysdeps/sparc/fpu/libm-test-ulps-name: Likewise. * sysdeps/tile/libm-test-ulps-name: Likewise. * sysdeps/x86_64/fpu/libm-test-ulps-name: Likewise.
*	Regenerate i686 libm-test-ulps with GCC 6.1 at -O3 [BZ #20347]	H.J. Lu	2016-07-13	1	-2/+2
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This fixes with GCC 6.1 and -O3 on i686: Failure: Test: j0_downward (0xap+0) Result: is: -2.45935813e-01 -0x1.f7ad32p-3 should be: -2.45935768e-01 -0x1.f7ad2cp-3 difference: 4.47034835e-08 0x1.800000p-25 ulp : 3.0000 max.ulp : 2.0000 Maximal error of `j0_downward' is : 3 ulp accepted: 2 ulp [BZ #20347] * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Regenerated.
*	i686/multiarch: Regenerate ulps	Aurelien Jarno	2016-06-30	1	-8/+8
\| \| \| \| \| \| \|	This comes from running “make regen-ulps” on AMD Opteron 6272 CPUs. Changelog: * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Regenerated.
*	Fix x86_64 / x86 powl inaccuracy for integer exponents (bug 19848).	Joseph Myers	2016-03-24	1	-4/+4
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Bug 19848 reports cases where powl on x86 / x86_64 has error accumulation, for small integer exponents, larger than permitted by glibc's accuracy goals, at least in some rounding modes. This patch further restricts the exponent range for which the small-integer-exponent logic is used to limit the possible error accumulation. Tested for x86_64 and x86 and ulps updated accordingly. [BZ #19848] * sysdeps/i386/fpu/e_powl.S (p3): Rename to p2 and change value from 8 to 4. (__ieee754_powl): Compare integer exponent against 4 not 8. * sysdeps/x86_64/fpu/e_powl.S (p3): Rename to p2 and change value from 8 to 4. (__ieee754_powl): Compare integer exponent against 4 not 8. * math/auto-libm-test-in: Add more tests of pow. * math/auto-libm-test-out: Regenerated. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2016-01-04	9	-9/+9
\|
*	i386: move ULPs to i686/multiarch and regenerate new ones for i386	Aurelien Jarno	2015-12-20	1	-0/+2176
\| \| \| \| \| \| \| \| \| \| \| \| \|	The i386 ULPs are actually the i686/multiarch ones. The i686/multiarch float ULPs are more precise as the SSE2 version (when available) uses double for the cosf and sinf functions. On the other hand the higher precision of the x86 FPU improves the precision for a few other math functions. * sysdeps/i386/fpu/libm-test-ulps: Move to .... * sysdeps/i386/i686/multiarch/fpu/libm-test-ulps: ...here. * sysdeps/i386/fpu/libm-test-ulps: Regenerate.
*	Avoid excess range in results from i386 exp, hypot, pow functions (bug 18980).	Joseph Myers	2015-09-18	1	-4/+5
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	i386 exp, hypot and pow functions can return overflowing and underflowing values with excess range and precision; ; Wilco Dijkstra's patches to make isfinite etc. expand inline cause this pre-existing issue to result in test failures. This patch fixes those functions to avoid excess range and precision in their return values. Appropriate macros are added for the repeated code sequences; in future I'll add more such macros and refactor existing code forcing underflow (with or without also eliminating excess range and precision from the return value) to use such macros. Tested for x86. If, after this patch, you still see x86 libm test failures with excess range or precision, please file bugs in Bugzilla. [BZ #18980] * sysdeps/i386/fpu/i386-math-asm.h (DEFINE_FLT_MIN): New macro. (DEFINE_DBL_MIN): Likewise. (FLT_NARROW_EVAL_UFLOW_NONNEG_NAN): Likewise. (DBL_NARROW_EVAL_UFLOW_NONNEG_NAN): Likewise. (FLT_NARROW_EVAL_UFLOW_NONNEG): Likewise. (DBL_NARROW_EVAL_UFLOW_NONNEG): Likewise. * sysdeps/i386/fpu/e_exp.S: Include <i386-math-asm.h>. (dbl_min): Replace with use of DEFINE_DBL_MIN. (__ieee754_exp): Use DBL_NARROW_EVAL_UFLOW_NONNEG_NAN. (__exp_finite): Use DBL_NARROW_EVAL_UFLOW_NONNEG. * sysdeps/i386/fpu/e_exp10.S: Include <i386-math-asm.h>. (dbl_min): Replace with use of DEFINE_DBL_MIN. (__ieee754_exp10): Use DBL_NARROW_EVAL_UFLOW_NONNEG_NAN. * sysdeps/i386/fpu/e_exp10f.S: Include <i386-math-asm.h>. (flt_min): Replace with use of DEFINE_FLT_MIN. (__ieee754_exp10f): Use FLT_NARROW_EVAL_UFLOW_NONNEG_NAN. * sysdeps/i386/fpu/e_exp2.S: Include <i386-math-asm.h>. (dbl_min): Replace with use of DEFINE_DBL_MIN. (__ieee754_exp2): Use DBL_NARROW_EVAL_UFLOW_NONNEG_NAN. * sysdeps/i386/fpu/e_exp2f.S: Include <i386-math-asm.h>. (flt_min): Replace with use of DEFINE_FLT_MIN. (__ieee754_exp2f): Use FLT_NARROW_EVAL_UFLOW_NONNEG_NAN. * sysdeps/i386/fpu/e_expf.S: Include <i386-math-asm.h>. (flt_min): Replace with use of DEFINE_FLT_MIN. (__ieee754_expf): Use FLT_NARROW_EVAL_UFLOW_NONNEG_NAN. (__expf_finite): Use FLT_NARROW_EVAL_UFLOW_NONNEG. * sysdeps/i386/fpu/e_hypot.S: Include <i386-math-asm.h>. (__ieee754_hypot): Use DBL_NARROW_EVAL. * sysdeps/i386/fpu/e_hypotf.S: Include <i386-math-asm.h>. (__ieee754_hypotf): Use FLT_NARROW_EVAL. * sysdeps/i386/fpu/e_pow.S: Include <i386-math-asm.h>. (__ieee754_pow): Use DBL_NARROW_EVAL. * sysdeps/i386/fpu/e_powf.S: Include <i386-math-asm.h>. (__ieee754_powf): Use FLT_NARROW_EVAL. * sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.S (__ieee754_expf_sse2): Convert double-precision result to single precision. * sysdeps/i386/fpu/libm-test-ulps: Update.
*	Update i686 multiarch functions for <cpu-features.h>	H.J. Lu	2015-08-13	4	-5/+10
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	This patch updates i686 multiarch functions to use the newly defined HAS_CPU_FEATURE, HAS_ARCH_FEATURE, LOAD_GOT_AND_RTLD_GLOBAL_RO and LOAD_FUNC_GOT_EAX from <cpu-features.h>. * sysdeps/i386/i686/fpu/multiarch/e_expf.c: Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_sincosf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_sinf.c: Likewise. * sysdeps/i386/i686/multiarch/ifunc-impl-list.c: Likewise. * sysdeps/i386/i686/multiarch/s_fma.c: Likewise. * sysdeps/i386/i686/multiarch/s_fmaf.c: Likewise. * sysdeps/i386/i686/multiarch/bcopy.S: Remove __init_cpu_features call. Merge SHARED and !SHARED. Add LOAD_GOT_AND_RTLD_GLOBAL_RO. Use LOAD_FUNC_GOT_EAX to load function address. Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/i386/i686/multiarch/bzero.S: Likewise. * sysdeps/i386/i686/multiarch/memchr.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memmove.S: Likewise. * sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memrchr.S: Likewise. * sysdeps/i386/i686/multiarch/memset.S: Likewise. * sysdeps/i386/i686/multiarch/memset_chk.S: Likewise. * sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise. * sysdeps/i386/i686/multiarch/strcasecmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcat.S: Likewise. * sysdeps/i386/i686/multiarch/strchr.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy.S: Likewise. * sysdeps/i386/i686/multiarch/strcspn.S: Likewise. * sysdeps/i386/i686/multiarch/strlen.S: Likewise. * sysdeps/i386/i686/multiarch/strncase.S: Likewise. * sysdeps/i386/i686/multiarch/strnlen.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr.S: Likewise. * sysdeps/i386/i686/multiarch/strspn.S: Likewise. * sysdeps/i386/i686/multiarch/wcschr.S: Likewise. * sysdeps/i386/i686/multiarch/wcscmp.S: Likewise. * sysdeps/i386/i686/multiarch/wcscpy.S: Likewise. * sysdeps/i386/i686/multiarch/wcslen.S: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise. * sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise.
*	Update copyright dates with scripts/update-copyrights.	Joseph Myers	2015-01-02	9	-9/+9
\|
*	Update copyright notices with scripts/update-copyrights	Allan McRae	2014-01-01	9	-9/+9
\|
*	Update copyright notices with scripts/update-copyrights.	Joseph Myers	2013-01-02	9	-9/+9
\|
*	Add optimized sincosf for SSE2 for x86 and x86-64	Liubov Dmitrieva	2012-09-25	3	-1/+617
\|
*	Fix x86 SSE cosf, sinf issues	Liubov Dmitrieva	2012-09-10	2	-55/+40
\| \| \| \| \| \| \| \| \| \|	* 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.
*	Add optimized sinf and cosf routines for x86 and x86-64	Liubov Dmitrieva	2012-09-03	6	-1/+1210
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	* 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.
*	Get rid of ASM_TYPE_DIRECTIVE{,_PREFIX}.	Marek Polacek	2012-08-02	1	-13/+13
\|
*	Add optimized expf for x86	Liubov Dmitrieva	2012-05-14	4	-0/+364
	2012-05-14 Liubov Dmitrieva <liubov.dmitrieva@gmail.com> * sysdeps/i386/i686/fpu/multiarch/Makefile: New file. * sysdeps/i386/i686fpu/multiarch/e_expf.c: New file. * sysdeps/i386/i686fpu/multiarch/e_expf-ia32.S: New file. * sysdeps/i386/i686/fpu/multiarch/e_expf-sse2.S: New file.