diff options
author | Anton Blanchard <anton@samba.org> | 2016-06-28 21:59:40 +1000 |
---|---|---|
committer | Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> | 2016-06-30 16:08:49 -0300 |
commit | aa95fc13f5b02044eadc3af3d9e1c025f2e1edda (patch) | |
tree | a2b2ddf6f9836843c1ec6484df50887c5267b7d1 /sysdeps/powerpc/powerpc64/fpu | |
parent | 35da2541c382d1d4b7c9a15049a3cd1c7a6863a3 (diff) | |
download | glibc-aa95fc13f5b02044eadc3af3d9e1c025f2e1edda.tar glibc-aa95fc13f5b02044eadc3af3d9e1c025f2e1edda.tar.gz glibc-aa95fc13f5b02044eadc3af3d9e1c025f2e1edda.tar.bz2 glibc-aa95fc13f5b02044eadc3af3d9e1c025f2e1edda.zip |
powerpc: Add a POWER8-optimized version of sinf()
This uses the implementation of sinf() in sysdeps/x86_64/fpu/s_sinf.S
as inspiration.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/fpu')
4 files changed, 85 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile index 331763e926..add1fb85f0 100644 --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile @@ -25,7 +25,8 @@ libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \ e_hypot-power7 e_hypotf-ppc64 e_hypotf-power7 \ s_isnan-power8 s_isinf-power8 s_finite-power8 \ s_llrint-power8 s_llround-power8 \ - e_expf-power8 e_expf-ppc64 + e_expf-power8 e_expf-ppc64 \ + s_sinf-ppc64 s_sinf-power8 CFLAGS-s_logbf-power7.c = -mcpu=power7 CFLAGS-s_logbl-power7.c = -mcpu=power7 diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf-power8.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf-power8.S new file mode 100644 index 0000000000..579019c66d --- /dev/null +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf-power8.S @@ -0,0 +1,26 @@ +/* sinf(). PowerPC64/POWER8 version. + Copyright (C) 2016 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 + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +#undef weak_alias +#define weak_alias(a, b) + +#define __sinf __sinf_power8 + +#include <sysdeps/powerpc/powerpc64/power8/fpu/s_sinf.S> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf-ppc64.c new file mode 100644 index 0000000000..eaf83fa427 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf-ppc64.c @@ -0,0 +1,26 @@ +/* sinf(). PowerPC64 default version. + Copyright (C) 2016 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 + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +#undef weak_alias +#define weak_alias(a, b) + +#define __sinf __sinf_ppc64 + +#include <sysdeps/ieee754/flt-32/s_sinf.c> diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf.c new file mode 100644 index 0000000000..4269d58d32 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_sinf.c @@ -0,0 +1,31 @@ +/* Multiple versions of sinf. + Copyright (C) 2016 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 + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <shlib-compat.h> +#include "init-arch.h" + +extern __typeof (__sinf) __sinf_ppc64 attribute_hidden; +extern __typeof (__sinf) __sinf_power8 attribute_hidden; + +libc_ifunc (__sinf, + (hwcap2 & PPC_FEATURE2_ARCH_2_07) + ? __sinf_power8 + : __sinf_ppc64); + +weak_alias (__sinf, sinf) |