From fa809e97912e4bb6faafa74c15a86588c05e89bc Mon Sep 17 00:00:00 2001 From: Rajalakshmi Srinivasaraghavan Date: Wed, 30 Jul 2014 12:04:31 -0500 Subject: [PATCH] PowerPC: multiarch logb/logbl/logbf for PowerPC64 commit 43e246d2a6a75710fbe3d3f3db23db3aeb8a9f93 Author: Adhemerval Zanella Date: Fri Dec 13 15:36:33 2013 -0500 Added the following file apart from the original commit. sysdeps/powerpc/power7/fpu/s_logb.c sysdeps/powerpc/power7/fpu/s_logbf.c sysdeps/powerpc/power7/fpu/s_logbl.c sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c --- sysdeps/ieee754/ldbl-128ibm/s_logbl.c | 2 + sysdeps/powerpc/power7/fpu/s_logb.c | 78 ++++++++++++++++++++++ sysdeps/powerpc/power7/fpu/s_logbf.c | 60 +++++++++++++++++ sysdeps/powerpc/power7/fpu/s_logbl.c | 72 ++++++++++++++++++++ .../powerpc32/power4/fpu/multiarch/s_logb-power7.c | 31 +++++++++ .../power4/fpu/multiarch/s_logbf-power7.c | 26 ++++++++ .../power4/fpu/multiarch/s_logbl-power7.c | 21 ++++++ sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile | 8 ++- .../powerpc64/fpu/multiarch/s_logb-power7.c | 19 ++++++ .../powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c | 28 ++++++++ sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c | 41 ++++++++++++ .../powerpc64/fpu/multiarch/s_logbf-power7.c | 19 ++++++ .../powerpc64/fpu/multiarch/s_logbf-ppc64.c | 26 ++++++++ sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c | 32 +++++++++ .../powerpc64/fpu/multiarch/s_logbl-power7.c | 19 ++++++ .../powerpc64/fpu/multiarch/s_logbl-ppc64.c | 21 ++++++ sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c | 32 +++++++++ 17 files changed, 534 insertions(+), 1 deletion(-) create mode 100644 sysdeps/powerpc/power7/fpu/s_logb.c create mode 100644 sysdeps/powerpc/power7/fpu/s_logbf.c create mode 100644 sysdeps/powerpc/power7/fpu/s_logbl.c create mode 100644 sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c create mode 100644 sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c create mode 100644 sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c diff --git glibc-2.17-c758a686/sysdeps/ieee754/ldbl-128ibm/s_logbl.c glibc-2.17-c758a686/sysdeps/ieee754/ldbl-128ibm/s_logbl.c index 6cbfcfa..28a50de 100644 --- glibc-2.17-c758a686/sysdeps/ieee754/ldbl-128ibm/s_logbl.c +++ glibc-2.17-c758a686/sysdeps/ieee754/ldbl-128ibm/s_logbl.c @@ -44,4 +44,6 @@ __logbl (long double x) return (long double) (rhx - 1023); } +#ifndef __logbl long_double_symbol (libm, __logbl, logbl); +#endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logb.c glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logb.c new file mode 100644 index 0000000..87176c3 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logb.c @@ -0,0 +1,78 @@ +/* logb(). PowerPC/POWER7 version. + Copyright (C) 2012 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 + +/* This implementation avoids FP to INT conversions by using VSX + bitwise instructions over FP values. */ + +static const double two1div52 = 2.220446049250313e-16; /* 1/2**52 */ +static const double two10m1 = -1023.0; /* 2**10 -1 */ + +/* FP mask to extract the exponent. */ +static const union { + unsigned long long mask; + double d; +} mask = { 0x7ff0000000000000ULL }; + +double +__logb (double x) +{ + double ret; + + if (__builtin_expect (x == 0.0, 0)) + /* Raise FE_DIVBYZERO and return -HUGE_VAL[LF]. */ + return -1.0 / __builtin_fabs (x); + + /* ret = x & 0x7ff0000000000000; */ + asm ( + "xxland %x0,%x1,%x2\n" + "fcfid %0,%0" + : "=f" (ret) + : "f" (x), "f" (mask.d)); + /* ret = (ret >> 52) - 1023.0; */ + ret = (ret * two1div52) + two10m1; + if (__builtin_expect (ret > -two10m1, 0)) + /* Multiplication is used to set logb (+-INF) = INF. */ + return (x * x); + else if (__builtin_expect (ret == two10m1, 0)) + { + /* POSIX specifies that denormal numbers are treated as + though they were normalized. */ + int32_t lx, ix; + int ma; + + EXTRACT_WORDS (ix, lx, x); + if (ix == 0) + ma = __builtin_clz (lx) + 32; + else + ma = __builtin_clz (ix); + return (double) (-1023 - (ma - 12)); + } + /* Test to avoid logb_downward (0.0) == -0.0. */ + return ret == -0.0 ? 0.0 : ret; +} +weak_alias (__logb, logb) +#ifdef NO_LONG_DOUBLE +strong_alias (__logb, __logbl) +weak_alias (__logb, logbl) +#endif + +#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) +compat_symbol (libm, logb, logbl, GLIBC_2_0); +#endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logbf.c glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logbf.c new file mode 100644 index 0000000..aa8499a --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logbf.c @@ -0,0 +1,60 @@ +/* logbf(). PowerPC/POWER7 version. + Copyright (C) 2012 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 "math_private.h" + +/* This implementation avoids FP to INT conversions by using VSX + bitwise instructions over FP values. */ + +static const double two1div52 = 2.220446049250313e-16; /* 1/2**52 */ +static const double two10m1 = -1023.0; /* -2**10 + 1 */ +static const double two7m1 = -127.0; /* -2**7 + 1 */ + +/* FP mask to extract the exponent. */ +static const union { + unsigned long long mask; + double d; +} mask = { 0x7ff0000000000000ULL }; + +float +__logbf (float x) +{ + /* VSX operation are all done internally as double. */ + double ret; + + if (__builtin_expect (x == 0.0, 0)) + /* Raise FE_DIVBYZERO and return -HUGE_VAL[LF]. */ + return -1.0 / __builtin_fabsf (x); + + /* ret = x & 0x7f800000; */ + asm ( + "xxland %x0,%x1,%x2\n" + "fcfid %0,%0" + : "=f"(ret) + : "f" (x), "f" (mask.d)); + /* ret = (ret >> 52) - 1023.0, since ret is double. */ + ret = (ret * two1div52) + two10m1; + if (__builtin_expect (ret > -two7m1, 0)) + /* Multiplication is used to set logb (+-INF) = INF. */ + return (x * x); + /* Since operations are done with double we don't need + additional tests for subnormal numbers. + The test is to avoid logb_downward (0.0) == -0.0. */ + return ret == -0.0 ? 0.0 : ret; +} +weak_alias (__logbf, logbf) diff --git glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logbl.c glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logbl.c new file mode 100644 index 0000000..e1ec089 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/power7/fpu/s_logbl.c @@ -0,0 +1,72 @@ +/* logbl(). PowerPC/POWER7 version. + Copyright (C) 2012 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 + +/* This implementation avoids FP to INT conversions by using VSX + bitwise instructions over FP values. */ + +static const double two1div52 = 2.220446049250313e-16; /* 1/2**52 */ +static const double two10m1 = -1023.0; /* 2**10 -1 */ + +/* FP mask to extract the exponent. */ +static const union { + unsigned long long mask; + double d; +} mask = { 0x7ff0000000000000ULL }; + +long double +__logbl (long double x) +{ + double xh, xl; + double ret; + + if (__builtin_expect (x == 0.0L, 0)) + /* Raise FE_DIVBYZERO and return -HUGE_VAL[LF]. */ + return -1.0L / __builtin_fabsl (x); + + ldbl_unpack (x, &xh, &xl); + /* ret = x & 0x7ff0000000000000; */ + asm ( + "xxland %x0,%x1,%x2\n" + "fcfid %0,%0" + : "=f" (ret) + : "f" (xh), "f" (mask.d)); + /* ret = (ret >> 52) - 1023.0; */ + ret = (ret * two1div52) + two10m1; + if (__builtin_expect (ret > -two10m1, 0)) + /* Multiplication is used to set logb (+-INF) = INF. */ + return (xh * xh); + else if (__builtin_expect (ret == two10m1, 0)) + { + /* POSIX specifies that denormal number is treated as + though it were normalized. */ + int64_t lx, hx; + + GET_LDOUBLE_WORDS64 (hx, lx, x); + return (long double) (-1023 - (__builtin_clzll (hx) - 12)); + } + /* Test to avoid logb_downward (0.0) == -0.0. */ + return ret == -0.0 ? 0.0 : ret; +} + +#ifndef __logbl +long_double_symbol (libm, __logbl, logbl); +#endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c new file mode 100644 index 0000000..3280566 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c @@ -0,0 +1,31 @@ +/* logb(). PowerPC32/POWER7 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(lib, name, alias, ver) + +#define __logb __logb_power7 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c new file mode 100644 index 0000000..6531af0 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c @@ -0,0 +1,26 @@ +/* logbf(). PowerPC32/POWER7 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 + +#undef weak_alias +#define weak_alias(a, b) + +#define __logbf __logbf_power7 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c new file mode 100644 index 0000000..7c5ad47 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c @@ -0,0 +1,21 @@ +/* logbl(). PowerPC32/POWER7 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 + . */ + +#define __logbl __logbl_power7 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile index 64dd85f..87aabca 100644 --- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile @@ -16,5 +16,11 @@ libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \ s_copysign-power6 s_copysign-ppc64 s_llrint-power6x \ s_llrint-ppc64 s_finite-power7 s_finite-ppc64 \ s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \ - s_isinf-ppc64 + s_isinf-ppc64 s_logb-power7 s_logbf-power7 \ + s_logbl-power7 s_logb-ppc64 s_logbf-ppc64 \ + s_logbl-ppc64 + +CFLAGS-s_logbf-power7.c = -mcpu=power7 +CFLAGS-s_logbl-power7.c = -mcpu=power7 +CFLAGS-s_logb-power7.c = -mcpu=power7 endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c new file mode 100644 index 0000000..049f2c1 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c @@ -0,0 +1,19 @@ +/* logb(). PowerPC64/POWER7 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 diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c new file mode 100644 index 0000000..41d1d9b --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c @@ -0,0 +1,28 @@ +/* logb(). PowerPC32/POWER7 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 + +#undef weak_alias +#define weak_alias(a, b) +#undef strong_alias +#define strong_alias(a, b) + +#define __logb __logb_ppc64 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c new file mode 100644 index 0000000..e14efa7 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c @@ -0,0 +1,41 @@ +/* Multiple versions of logb. + 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 +#include "init-arch.h" + +extern __typeof (__logb) __logb_ppc64 attribute_hidden; +extern __typeof (__logb) __logb_power7 attribute_hidden; + +libc_ifunc (__logb, + (hwcap & PPC_FEATURE_ARCH_2_06) + ? __logb_power7 + : __logb_ppc64); + +weak_alias (__logb, logb) + +#ifdef NO_LONG_DOUBLE +strong_alias (__logb, __logbl) +weak_alias (__logb, logbl) +#endif + +#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) +compat_symbol (libm, logb, logbl, GLIBC_2_0); +#endif diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c new file mode 100644 index 0000000..5e4e4fc --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c @@ -0,0 +1,19 @@ +/* logb(). PowerPC64/POWER7 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 diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c new file mode 100644 index 0000000..08674a6 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c @@ -0,0 +1,26 @@ +/* logbf(). PowerPC64 default implementation. + 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 + +#undef weak_alias +#define weak_alias(a, b) + +#define __logbf __logbf_ppc64 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c new file mode 100644 index 0000000..01f9ecb --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c @@ -0,0 +1,32 @@ +/* Multiple versions of logbf. + 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 +#include "init-arch.h" + +extern __typeof (__logbf) __logbf_ppc64 attribute_hidden; +extern __typeof (__logbf) __logbf_power7 attribute_hidden; + +libc_ifunc (__logbf, + (hwcap & PPC_FEATURE_ARCH_2_06) + ? __logbf_power7 + : __logbf_ppc64); + +weak_alias (__logbf, logbf) diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c new file mode 100644 index 0000000..258d502 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c @@ -0,0 +1,19 @@ +/* logb(). PowerPC64/POWER7 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 diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c new file mode 100644 index 0000000..47d4153 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c @@ -0,0 +1,21 @@ +/* logbl(). PowerPC64/POWER7 version. + Copyright (C) 2012-2014 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 + . */ + +#define __logbl __logbl_ppc64 + +#include diff --git glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c new file mode 100644 index 0000000..cb0b0c5 --- /dev/null +++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c @@ -0,0 +1,32 @@ +/* Multiple versions of logbl. + 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 +#include "init-arch.h" + +extern __typeof (__logbl) __logbl_ppc64 attribute_hidden; +extern __typeof (__logbl) __logbl_power7 attribute_hidden; + +libc_ifunc (__logbl, + (hwcap & PPC_FEATURE_ARCH_2_06) + ? __logbl_power7 + : __logbl_ppc64); + +long_double_symbol (libm, __logbl, logbl); -- 1.8.3.1