From 7560c8b2254c082f754f1e8fd390d4b50146dcdd Mon Sep 17 00:00:00 2001 From: Rajalakshmi Srinivasaraghavan Date: Wed, 30 Jul 2014 11:30:28 -0500 Subject: [PATCH] PowerPC: multiarch copysign/copysignf for PowerPC64 commit 2568f3fa69bbf70d0bea457cb7cbbf3bee45bfe5 Author: Adhemerval Zanella Date: Fri Dec 13 15:32:58 2013 -0500 --- sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile | 6 ++- .../powerpc64/fpu/multiarch/s_copysign-power6.S | 33 ++++++++++++++ .../powerpc64/fpu/multiarch/s_copysign-ppc64.S | 35 +++++++++++++++ .../powerpc/powerpc64/fpu/multiarch/s_copysign.c | 51 ++++++++++++++++++++++ .../powerpc/powerpc64/fpu/multiarch/s_copysignf.c | 32 ++++++++++++++ 5 files changed, 155 insertions(+), 2 deletions(-) create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-power6.S create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-ppc64.S create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysignf.c diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile index 4cdb383..3af4ac3 100644 --- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile @@ -1,6 +1,7 @@ ifeq ($(subdir),math) sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \ - s_isnan-power5 s_isnan-ppc64 + s_isnan-power5 s_isnan-ppc64 s_copysign-power6 \ + s_copysign-ppc64 libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \ s_isnan-power5 s_isnan-ppc64 s_llround-power6x \ @@ -9,5 +10,6 @@ libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \ s_floor-power5+ s_floor-ppc64 s_floorf-power5+ \ s_floorf-ppc64 s_round-power5+ s_round-ppc64 \ s_roundf-power5+ s_roundf-ppc64 s_trunc-power5+ \ - s_trunc-ppc64 s_truncf-power5+ s_truncf-ppc64 + s_trunc-ppc64 s_truncf-power5+ s_truncf-ppc64 \ + s_copysign-power6 s_copysign-ppc64 endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-power6.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-power6.S new file mode 100644 index 0000000..4fa34a6 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-power6.S @@ -0,0 +1,33 @@ +/* copysign(). PowerPC64 default version. + Copyright (C) 2013-2014 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 + . */ + +#include +#include + +#undef weak_alias +#define weak_alias(a,b) +#undef strong_alias +#define strong_alias(a,b) +#undef compat_symbol +#define compat_symbol(a, b, c, d) +#undef hidden_def +#define hidden_def(name) + +#define __copysign __copysign_power6 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-ppc64.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-ppc64.S new file mode 100644 index 0000000..a5cdfc2 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-ppc64.S @@ -0,0 +1,35 @@ +/* copysign(). PowerPC64 default version. + Copyright (C) 2010-2014 Free Software Foundation, Inc. + Contributed by Luis Machado . + 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 + . */ + +#include +#include + +#undef weak_alias +#define weak_alias(a,b) +#undef strong_alias +#define strong_alias(a,b) +#undef compat_symbol +#define compat_symbol(a, b, c, d) + +#define __copysign __copysign_ppc64 +#undef hidden_def +#define hidden_def(name) \ + strong_alias (__copysign_ppc64, __GI___copysign) + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign.c new file mode 100644 index 0000000..f3e6b3a --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign.c @@ -0,0 +1,51 @@ +/* Multiple versions of copysign. + Copyright (C) 2013-2014 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 + . */ + +/* Redefine copysign so that the compiler won't complain about the type + mismatch with the IFUNC selector in strong_alias below. */ +#undef __copysign +#define __copysign __redirect_copysign +#include +#include +#undef __copysign +#include +#include "init-arch.h" + +extern __typeof (__redirect_copysign) __copysign_ppc64 attribute_hidden; +extern __typeof (__redirect_copysign) __copysign_power6 attribute_hidden; + +extern __typeof (__redirect_copysign) __libm_copysign; +libc_ifunc (__libm_copysign, + (hwcap & PPC_FEATURE_ARCH_2_05) + ? __copysign_power6 + : __copysign_ppc64); + +strong_alias (__libm_copysign, __copysign) +weak_alias (__copysign, copysign) + +#ifdef NO_LONG_DOUBLE +weak_alias (__copysign,copysignl) +strong_alias(__copysign,__copysignl) +#endif +#ifdef IS_IN_libm +# if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) +compat_symbol (libm, __copysign, copysignl, GLIBC_2_0); +# endif +#elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) +compat_symbol (libc, __copysign, copysignl, GLIBC_2_0); +#endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysignf.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysignf.c new file mode 100644 index 0000000..55cc272 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysignf.c @@ -0,0 +1,32 @@ +/* Multiple versions of copysignf. + Copyright (C) 2013-2014 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 + . */ + +#include +#include +#include "init-arch.h" + +/* It's safe to use double-precision implementation for single-precision. */ +extern __typeof (__copysignf) __copysign_ppc64 attribute_hidden; +extern __typeof (__copysignf) __copysign_power6 attribute_hidden; + +libc_ifunc (__copysignf, + (hwcap & PPC_FEATURE_ARCH_2_05) + ? __copysign_power6 + : __copysign_ppc64); + +weak_alias (__copysignf, copysignf) -- 1.8.3.1