Message ID | 20210408181511.28061-1-rzinsly@linux.ibm.com |
---|---|
State | New |
Headers | show |
Series | [v2] powerpc: Add log IFUNC multiarch support for POWER10 | expand |
Raphael Moreira Zinsly via Libc-alpha <libc-alpha@sourceware.org> writes: > Changes since v1: > - Checks for the -mcpu=power10 support on configure instead of > checking GCC's version. > - Don't build __log_power10 without -mcpu=power10. > > ---8<--- > > Checked on ppc64le built without --with-cpu, with --with-cpu=power9 > and with --disable-multi-arch. > --- > config.h.in | 3 ++ > .../powerpc64/le/fpu/multiarch/Makefile | 8 ++++ > .../powerpc64/le/fpu/multiarch/configure | 33 +++++++++++++++++ > .../powerpc64/le/fpu/multiarch/configure.ac | 14 +++++++ > .../le/fpu/multiarch/e_log-power10.c | 4 ++ > .../powerpc64/le/fpu/multiarch/e_log-ppc64.c | 4 ++ > .../powerpc64/le/fpu/multiarch/e_log.c | 37 +++++++++++++++++++ > .../powerpc64/le/fpu/multiarch/w_log.c | 1 + > 8 files changed, 104 insertions(+) > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c > > diff --git a/config.h.in b/config.h.in > index ca1547ae67..14c3bf0f0d 100644 > --- a/config.h.in > +++ b/config.h.in > @@ -23,6 +23,9 @@ > /* On powerpc64, use @notoc. */ > #undef USE_PPC64_NOTOC > > +/* On powerpc64, define if the compiler supports -mcpu=power10. */ > +#undef USE_PPC64_MCPU_POWER10 > + > /* Define if _Unwind_Find_FDE should be exported from glibc. */ > #undef EXPORT_UNWIND_FIND_FDE > Ok. > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile > index 22252d9e0a..cc073b53d3 100644 > --- a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile > @@ -208,4 +208,12 @@ object-suffixes-left := $(all-object-suffixes) > include $(o-iterator) > > endif # do_f128_multiarch > + > +libm-sysdep_routines += e_log-ppc64 > + > +ifeq ($(mcpu-power10), yes) > +libm-sysdep_routines += e_log-power10 > +CFLAGS-e_log-power10.c += -mcpu=power10 > +endif > + > endif Ok. Compiling __log_ppc64 with default flags and __log_power10 with -mcpu=power10 based on flag defined in sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > new file mode 100644 > index 0000000000..4ca1d15833 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > @@ -0,0 +1,33 @@ > +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! > + > +OLD_CFLAGS="$CFLAGS" > +CFLAGS="$CFLAGS -mcpu=power10" > + > +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the compiler supports -mcpu=power10" >&5 > +$as_echo_n "checking if the compiler supports -mcpu=power10... " >&6; } > +if ${libc_cv_mcpu_power10+:} false; then : > + $as_echo_n "(cached) " >&6 > +else > + > +cat confdefs.h - <<_ACEOF >conftest.$ac_ext > +/* end confdefs.h. */ > + > + > +_ACEOF > +if ac_fn_c_try_compile "$LINENO"; then : > + libc_cv_mcpu_power10=yes > +else > + libc_cv_mcpu_power10=no > +fi > +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext > +fi > +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mcpu_power10" >&5 > +$as_echo "$libc_cv_mcpu_power10" >&6; } > +config_vars="$config_vars > +mcpu-power10 = $libc_cv_mcpu_power10" > +if test "$libc_cv_mcpu_power10" == "yes"; then : > + > + $as_echo "#define USE_PPC64_MCPU_POWER10 1" >>confdefs.h > + > +fi > +CFLAGS="$OLD_CFLAGS" > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac > new file mode 100644 > index 0000000000..ceb578cc59 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac > @@ -0,0 +1,14 @@ > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. > + > +OLD_CFLAGS="$CFLAGS" > +CFLAGS="$CFLAGS -mcpu=power10" > +AC_CACHE_CHECK([if the compiler supports -mcpu=power10], > + libc_cv_mcpu_power10, [ > +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ > +]])], > + [libc_cv_mcpu_power10=yes], > + [libc_cv_mcpu_power10=no])]) > +LIBC_CONFIG_VAR([mcpu-power10], [$libc_cv_mcpu_power10]) > +AS_IF([[test "$libc_cv_mcpu_power10" == "yes"]],[ > + AC_DEFINE(USE_PPC64_MCPU_POWER10)]) > +CFLAGS="$OLD_CFLAGS" Ok. > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c > new file mode 100644 > index 0000000000..4226e07643 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c > @@ -0,0 +1,4 @@ > +#include <math.h> > + > +#define __log __log_power10 > +#include <sysdeps/ieee754/dbl-64/e_log.c> Ok. > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c > new file mode 100644 > index 0000000000..cb902d727a > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c > @@ -0,0 +1,4 @@ > +#include <math.h> > +#define __log __log_ppc64 > + Ok. > +#include <sysdeps/ieee754/dbl-64/e_log.c> > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c > new file mode 100644 > index 0000000000..b7961096a5 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c > @@ -0,0 +1,37 @@ > +/* Multiple versions of IEEE 754 log. > + Copyright (C) 2021 Free Software Foundation, Inc. > + This file is part of the GNU C Library. > + > + The GNU C Library is free software; you can redistribute it and/or > + modify it under the terms of the GNU Lesser General Public > + License as published by the Free Software Foundation; either > + version 2.1 of the License, or (at your option) any later version. > + > + The GNU C Library is distributed in the hope that it will be useful, > + but WITHOUT ANY WARRANTY; without even the implied warranty of > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + Lesser General Public License for more details. > + > + You should have received a copy of the GNU Lesser General Public > + License along with the GNU C Library; if not, see > + <https://www.gnu.org/licenses/>. */ > + > +#include <math.h> > +#include "init-arch.h" > +#include <libm-alias-finite.h> > + > +extern double __redirect_ieee754_log (double); > + > +extern __typeof (log) __log_ppc64 attribute_hidden; > +#ifdef USE_PPC64_MCPU_POWER10 > +extern __typeof (log) __log_power10 attribute_hidden; > +#endif > + > +libc_ifunc_redirected (__redirect_ieee754_log, __ieee754_log, > +#ifdef USE_PPC64_MCPU_POWER10 > + (hwcap2 & PPC_FEATURE2_ARCH_3_1) > + ? __log_power10 : > +#endif > + __log_ppc64); > + > +libm_alias_finite (__ieee754_log, __log) Ok. In case -mcpu=power10 is not supported, __log_ppc64 will be used. > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c > new file mode 100644 > index 0000000000..9b2b018711 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c > @@ -0,0 +1 @@ > +#include <sysdeps/../math/w_log.c> Also tested with and without multiarch and --with-cpu=power[9,10]. LGTM. Reviewed-by: Matheus Castanho <msc@linux.ibm.com> -- Matheus Castanho
LGTM. All tests with -mcpu=power10. Quoting Raphael Moreira Zinsly via Libc-alpha (2021-04-08 15:15:11) > Changes since v1: > - Checks for the -mcpu=power10 support on configure instead of > checking GCC's version. > - Don't build __log_power10 without -mcpu=power10. > > ---8<--- > > Checked on ppc64le built without --with-cpu, with --with-cpu=power9 > and with --disable-multi-arch. > --- > config.h.in | 3 ++ > .../powerpc64/le/fpu/multiarch/Makefile | 8 ++++ > .../powerpc64/le/fpu/multiarch/configure | 33 +++++++++++++++++ > .../powerpc64/le/fpu/multiarch/configure.ac | 14 +++++++ > .../le/fpu/multiarch/e_log-power10.c | 4 ++ > .../powerpc64/le/fpu/multiarch/e_log-ppc64.c | 4 ++ > .../powerpc64/le/fpu/multiarch/e_log.c | 37 +++++++++++++++++++ > .../powerpc64/le/fpu/multiarch/w_log.c | 1 + > 8 files changed, 104 insertions(+) > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c > create mode 100644 sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c > > diff --git a/config.h.in b/config.h.in > index ca1547ae67..14c3bf0f0d 100644 > --- a/config.h.in > +++ b/config.h.in > @@ -23,6 +23,9 @@ > /* On powerpc64, use @notoc. */ > #undef USE_PPC64_NOTOC > > +/* On powerpc64, define if the compiler supports -mcpu=power10. */ > +#undef USE_PPC64_MCPU_POWER10 > + > /* Define if _Unwind_Find_FDE should be exported from glibc. */ > #undef EXPORT_UNWIND_FIND_FDE > > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile > index 22252d9e0a..cc073b53d3 100644 > --- a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile > @@ -208,4 +208,12 @@ object-suffixes-left := $(all-object-suffixes) > include $(o-iterator) > > endif # do_f128_multiarch > + > +libm-sysdep_routines += e_log-ppc64 > + > +ifeq ($(mcpu-power10), yes) > +libm-sysdep_routines += e_log-power10 > +CFLAGS-e_log-power10.c += -mcpu=power10 > +endif > + > endif > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > new file mode 100644 > index 0000000000..4ca1d15833 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure > @@ -0,0 +1,33 @@ > +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! > + > +OLD_CFLAGS="$CFLAGS" > +CFLAGS="$CFLAGS -mcpu=power10" > + > +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the compiler supports -mcpu=power10" >&5 > +$as_echo_n "checking if the compiler supports -mcpu=power10... " >&6; } > +if ${libc_cv_mcpu_power10+:} false; then : > + $as_echo_n "(cached) " >&6 > +else > + > +cat confdefs.h - <<_ACEOF >conftest.$ac_ext > +/* end confdefs.h. */ > + > + > +_ACEOF > +if ac_fn_c_try_compile "$LINENO"; then : > + libc_cv_mcpu_power10=yes > +else > + libc_cv_mcpu_power10=no > +fi > +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext > +fi > +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mcpu_power10" >&5 > +$as_echo "$libc_cv_mcpu_power10" >&6; } > +config_vars="$config_vars > +mcpu-power10 = $libc_cv_mcpu_power10" > +if test "$libc_cv_mcpu_power10" == "yes"; then : > + > + $as_echo "#define USE_PPC64_MCPU_POWER10 1" >>confdefs.h > + > +fi > +CFLAGS="$OLD_CFLAGS" > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac > new file mode 100644 > index 0000000000..ceb578cc59 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac > @@ -0,0 +1,14 @@ > +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. > + > +OLD_CFLAGS="$CFLAGS" > +CFLAGS="$CFLAGS -mcpu=power10" > +AC_CACHE_CHECK([if the compiler supports -mcpu=power10], > + libc_cv_mcpu_power10, [ > +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ > +]])], > + [libc_cv_mcpu_power10=yes], > + [libc_cv_mcpu_power10=no])]) > +LIBC_CONFIG_VAR([mcpu-power10], [$libc_cv_mcpu_power10]) > +AS_IF([[test "$libc_cv_mcpu_power10" == "yes"]],[ > + AC_DEFINE(USE_PPC64_MCPU_POWER10)]) > +CFLAGS="$OLD_CFLAGS" > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c > new file mode 100644 > index 0000000000..4226e07643 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c > @@ -0,0 +1,4 @@ > +#include <math.h> > + > +#define __log __log_power10 > +#include <sysdeps/ieee754/dbl-64/e_log.c> > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c > new file mode 100644 > index 0000000000..cb902d727a > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c > @@ -0,0 +1,4 @@ > +#include <math.h> > +#define __log __log_ppc64 > + > +#include <sysdeps/ieee754/dbl-64/e_log.c> > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c > new file mode 100644 > index 0000000000..b7961096a5 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c > @@ -0,0 +1,37 @@ > +/* Multiple versions of IEEE 754 log. > + Copyright (C) 2021 Free Software Foundation, Inc. > + This file is part of the GNU C Library. > + > + The GNU C Library is free software; you can redistribute it and/or > + modify it under the terms of the GNU Lesser General Public > + License as published by the Free Software Foundation; either > + version 2.1 of the License, or (at your option) any later version. > + > + The GNU C Library is distributed in the hope that it will be useful, > + but WITHOUT ANY WARRANTY; without even the implied warranty of > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + Lesser General Public License for more details. > + > + You should have received a copy of the GNU Lesser General Public > + License along with the GNU C Library; if not, see > + <https://www.gnu.org/licenses/>. */ > + > +#include <math.h> > +#include "init-arch.h" > +#include <libm-alias-finite.h> > + > +extern double __redirect_ieee754_log (double); > + > +extern __typeof (log) __log_ppc64 attribute_hidden; > +#ifdef USE_PPC64_MCPU_POWER10 > +extern __typeof (log) __log_power10 attribute_hidden; > +#endif > + > +libc_ifunc_redirected (__redirect_ieee754_log, __ieee754_log, > +#ifdef USE_PPC64_MCPU_POWER10 > + (hwcap2 & PPC_FEATURE2_ARCH_3_1) > + ? __log_power10 : > +#endif > + __log_ppc64); > + > +libm_alias_finite (__ieee754_log, __log) > diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c > new file mode 100644 > index 0000000000..9b2b018711 > --- /dev/null > +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c > @@ -0,0 +1 @@ > +#include <sysdeps/../math/w_log.c> > -- > 2.29.2 >
I pushed as 25cb72820ac40e73acf130edf97c895cf9b0b43a thanks!
diff --git a/config.h.in b/config.h.in index ca1547ae67..14c3bf0f0d 100644 --- a/config.h.in +++ b/config.h.in @@ -23,6 +23,9 @@ /* On powerpc64, use @notoc. */ #undef USE_PPC64_NOTOC +/* On powerpc64, define if the compiler supports -mcpu=power10. */ +#undef USE_PPC64_MCPU_POWER10 + /* Define if _Unwind_Find_FDE should be exported from glibc. */ #undef EXPORT_UNWIND_FIND_FDE diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile index 22252d9e0a..cc073b53d3 100644 --- a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile @@ -208,4 +208,12 @@ object-suffixes-left := $(all-object-suffixes) include $(o-iterator) endif # do_f128_multiarch + +libm-sysdep_routines += e_log-ppc64 + +ifeq ($(mcpu-power10), yes) +libm-sysdep_routines += e_log-power10 +CFLAGS-e_log-power10.c += -mcpu=power10 +endif + endif diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure new file mode 100644 index 0000000000..4ca1d15833 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure @@ -0,0 +1,33 @@ +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! + +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -mcpu=power10" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the compiler supports -mcpu=power10" >&5 +$as_echo_n "checking if the compiler supports -mcpu=power10... " >&6; } +if ${libc_cv_mcpu_power10+:} false; then : + $as_echo_n "(cached) " >&6 +else + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_mcpu_power10=yes +else + libc_cv_mcpu_power10=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mcpu_power10" >&5 +$as_echo "$libc_cv_mcpu_power10" >&6; } +config_vars="$config_vars +mcpu-power10 = $libc_cv_mcpu_power10" +if test "$libc_cv_mcpu_power10" == "yes"; then : + + $as_echo "#define USE_PPC64_MCPU_POWER10 1" >>confdefs.h + +fi +CFLAGS="$OLD_CFLAGS" diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac new file mode 100644 index 0000000000..ceb578cc59 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/configure.ac @@ -0,0 +1,14 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. + +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -mcpu=power10" +AC_CACHE_CHECK([if the compiler supports -mcpu=power10], + libc_cv_mcpu_power10, [ +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +]])], + [libc_cv_mcpu_power10=yes], + [libc_cv_mcpu_power10=no])]) +LIBC_CONFIG_VAR([mcpu-power10], [$libc_cv_mcpu_power10]) +AS_IF([[test "$libc_cv_mcpu_power10" == "yes"]],[ + AC_DEFINE(USE_PPC64_MCPU_POWER10)]) +CFLAGS="$OLD_CFLAGS" diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c new file mode 100644 index 0000000000..4226e07643 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-power10.c @@ -0,0 +1,4 @@ +#include <math.h> + +#define __log __log_power10 +#include <sysdeps/ieee754/dbl-64/e_log.c> diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c new file mode 100644 index 0000000000..cb902d727a --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log-ppc64.c @@ -0,0 +1,4 @@ +#include <math.h> +#define __log __log_ppc64 + +#include <sysdeps/ieee754/dbl-64/e_log.c> diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c new file mode 100644 index 0000000000..b7961096a5 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/e_log.c @@ -0,0 +1,37 @@ +/* Multiple versions of IEEE 754 log. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <math.h> +#include "init-arch.h" +#include <libm-alias-finite.h> + +extern double __redirect_ieee754_log (double); + +extern __typeof (log) __log_ppc64 attribute_hidden; +#ifdef USE_PPC64_MCPU_POWER10 +extern __typeof (log) __log_power10 attribute_hidden; +#endif + +libc_ifunc_redirected (__redirect_ieee754_log, __ieee754_log, +#ifdef USE_PPC64_MCPU_POWER10 + (hwcap2 & PPC_FEATURE2_ARCH_3_1) + ? __log_power10 : +#endif + __log_ppc64); + +libm_alias_finite (__ieee754_log, __log) diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c new file mode 100644 index 0000000000..9b2b018711 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_log.c @@ -0,0 +1 @@ +#include <sysdeps/../math/w_log.c>