diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/le')
27 files changed, 563 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/le/Implies b/sysdeps/powerpc/powerpc64/le/Implies new file mode 100644 index 0000000000..a105a325f7 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/Implies @@ -0,0 +1 @@ +powerpc/powerpc64 diff --git a/sysdeps/powerpc/powerpc64/le/Implies-before b/sysdeps/powerpc/powerpc64/le/Implies-before new file mode 100644 index 0000000000..7c20db4e97 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/Implies-before @@ -0,0 +1,6 @@ +# On PowerPC we use the IBM extended long double format. +ieee754/ldbl-128ibm +ieee754/ldbl-opt +ieee754/dbl-64 +ieee754/flt-32 +ieee754/float128 diff --git a/sysdeps/powerpc/powerpc64/le/Makefile b/sysdeps/powerpc/powerpc64/le/Makefile new file mode 100644 index 0000000000..f59db1ca3c --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/Makefile @@ -0,0 +1,84 @@ +# When building float128 we need to ensure -mfloat128 is +# passed to all such object files. + +# libgcc requires __tcb_parse_hwcap_and_convert_at_platform when built with +# a binary128 type. That symbol is provided by the loader on dynamically +# linked executables, forcing to link the loader after libgcc link. +f128-loader-link = $(as-needed) $(elf-objpfx)ld.so $(no-as-needed) + +ifeq ($(subdir),math) +# sqrtf128 requires emulation before POWER9. +CPPFLAGS += -I../soft-fp + +# float128 requires adding a handful of extra flags. +$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),%f128_r$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),$(objpfx)test-float128%$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),$(objpfx)test-float64x%$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat128%$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat64x%$(suf)): CFLAGS += -mfloat128 +# Pairs of types with _Float128 / _Float64x as the wider type but not +# the narrower one. +f128-pairs = float32-float64x float32-float128 float64-float64x \ + float64-float128 float32x-float64x float32x-float128 +$(foreach suf,$(all-object-suffixes),$(foreach pair,$(f128-pairs),$(objpfx)test-$(pair)%$(suf))): CFLAGS += -mfloat128 +CFLAGS-libm-test-support-float128.c += -mfloat128 +CFLAGS-libm-test-support-float64x.c += -mfloat128 +CFLAGS-test-math-iscanonical.cc += -mfloat128 +CFLAGS-test-math-iseqsig.cc += -mfloat128 +CFLAGS-test-math-issignaling.cc += -mfloat128 +CFLAGS-test-math-iszero.cc += -mfloat128 +$(foreach test, \ + test-float128% test-ifloat128% test-float64x% test-ifloat64x% \ + $(foreach pair,$(f128-pairs),test-$(pair)%) \ + test-math-iscanonical test-math-iseqsig test-math-issignaling \ + test-math-iszero, \ + $(objpfx)$(test)): \ + gnulib-tests += $(f128-loader-link) +endif + +# Append flags to string <-> _Float128 routines. +ifneq ($(filter $(subdir),wcsmbs stdlib),) +$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),%f128_l$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),%f128_nan$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),%float1282mpn$(suf)): CFLAGS += -mfloat128 +$(foreach suf,$(all-object-suffixes),%mpn2float128$(suf)): CFLAGS += -mfloat128 +CFLAGS-bug-strtod.c += -mfloat128 +CFLAGS-bug-strtod2.c += -mfloat128 +CFLAGS-tst-strtod-round.c += -mfloat128 +CFLAGS-tst-wcstod-round.c += -mfloat128 +CFLAGS-tst-strtod-nan-locale.c += -mfloat128 +CFLAGS-tst-wcstod-nan-locale.c += -mfloat128 +CFLAGS-tst-strtod6.c += -mfloat128 +CFLAGS-tst-strfrom.c += -mfloat128 +CFLAGS-tst-strfrom-locale.c += -mfloat128 +CFLAGS-strfrom-skeleton.c += -mfloat128 +CFLAGS-tst-strtod-nan-sign.c += -mfloat128 +CFLAGS-tst-wcstod-nan-sign.c += -mfloat128 +$(foreach test,bug-strtod bug-strtod2 bug-strtod2 tst-strtod-round \ +tst-wcstod-round tst-strtod6 tst-strrom tst-strfrom-locale \ +tst-strtod-nan-locale tst-wcstod-nan-locale \ +strfrom-skeleton tst-strtod-nan-sign tst-wcstod-nan-sign, \ +$(objpfx)$(test)): gnulib-tests += $(f128-loader-link) + +# When building glibc with support for _Float128, the powers of ten tables in +# fpioconst.c and in the string conversion functions must be extended. Some +# Makefiles (e.g.: wcsmbs/Makefile) override CFLAGS defined by the Makefiles in +# sysdeps. This is avoided with the use sysdep-CFLAGS instead of CFLAGS. +sysdep-CFLAGS += $(sysdep-CFLAGS-$(<F)) +sysdep-CFLAGS-fpioconst.c += -mfloat128 +sysdep-CFLAGS-strtod_l.c += -mfloat128 +sysdep-CFLAGS-strtof_l.c += -mfloat128 +sysdep-CFLAGS-strtold_l.c += -mfloat128 +sysdep-CFLAGS-wcstod_l.c += -mfloat128 +sysdep-CFLAGS-wcstof_l.c += -mfloat128 +sysdep-CFLAGS-wcstold_l.c += -mfloat128 +endif + +# Append flags to printf routines. +ifeq ($(subdir),stdio-common) +CFLAGS-printf_fp.c = -mfloat128 +CFLAGS-printf_fphex.c = -mfloat128 +CFLAGS-printf_size.c = -mfloat128 +endif diff --git a/sysdeps/powerpc/powerpc64/le/configure b/sysdeps/powerpc/powerpc64/le/configure new file mode 100644 index 0000000000..66bb5dcc1a --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/configure @@ -0,0 +1,75 @@ +# This file is generated from configure.ac by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/powerpc/powerpc64le. + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports binary128 floating point type" >&5 +$as_echo_n "checking if $CC supports binary128 floating point type... " >&6; } +if ${libc_cv_compiler_powerpc64le_binary128_ok+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Werror -mfloat128" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +__float128 a, b, c, d, e; +int i; + +__float128 +foobar (__float128 x) +{ + a = __builtin_nansq ("0"); + b = __builtin_huge_valq (); + c = __builtin_infq (); + d = __builtin_fabsq (x); + e = __builtin_nanq ("0"); + i = __builtin_signbit (x); + return __builtin_copysignq (x, x); +} + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_compiler_powerpc64le_binary128_ok=yes +else + libc_cv_compiler_powerpc64le_binary128_ok=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +CFLAGS="$save_CFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_powerpc64le_binary128_ok" >&5 +$as_echo "$libc_cv_compiler_powerpc64le_binary128_ok" >&6; } +if test "$libc_cv_compiler_powerpc64le_binary128_ok" != "yes"; then : + critic_missing="$critic_missing binary128 floating point type (GCC >= 6.2) is required on powerpc64le." +fi + +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS $libc_cv_cc_submachine" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the target machine is at least POWER8" >&5 +$as_echo_n "checking if the target machine is at least POWER8... " >&6; } +if ${libc_cv_target_power8_ok+:} false; then : + $as_echo_n "(cached) " >&6 +else + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifndef _ARCH_PWR8 +#error invalid target architecture +#endif + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_target_power8_ok=yes +else + libc_cv_target_power8_ok=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_target_power8_ok" >&5 +$as_echo "$libc_cv_target_power8_ok" >&6; } +if test "$libc_cv_target_power8_ok" != "yes"; then : + critic_missing="$critic_missing POWER8 or newer is required on powerpc64le." +fi +CFLAGS="$OLD_CFLAGS" + +test -n "$critic_missing" && as_fn_error $? "*** $critic_missing" "$LINENO" 5 diff --git a/sysdeps/powerpc/powerpc64/le/configure.ac b/sysdeps/powerpc/powerpc64/le/configure.ac new file mode 100644 index 0000000000..20a49d89e8 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/configure.ac @@ -0,0 +1,48 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/powerpc/powerpc64le. + +dnl Require binary128 floating point support on powerpc64le (available in +dnl GCC 6.2). +AC_CACHE_CHECK([if $CC supports binary128 floating point type], + libc_cv_compiler_powerpc64le_binary128_ok, [dnl +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Werror -mfloat128" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +__float128 a, b, c, d, e; +int i; + +__float128 +foobar (__float128 x) +{ + a = __builtin_nansq ("0"); + b = __builtin_huge_valq (); + c = __builtin_infq (); + d = __builtin_fabsq (x); + e = __builtin_nanq ("0"); + i = __builtin_signbit (x); + return __builtin_copysignq (x, x); +} +]])], + [libc_cv_compiler_powerpc64le_binary128_ok=yes], + [libc_cv_compiler_powerpc64le_binary128_ok=no]) +CFLAGS="$save_CFLAGS"]) +AS_IF([test "$libc_cv_compiler_powerpc64le_binary128_ok" != "yes"], + [critic_missing="$critic_missing binary128 floating point type (GCC >= 6.2) is required on powerpc64le."]) + +dnl Require at least POWER8 on powerpc64le +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS $libc_cv_cc_submachine" +AC_CACHE_CHECK([if the target machine is at least POWER8], + libc_cv_target_power8_ok, [ +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#ifndef _ARCH_PWR8 +#error invalid target architecture +#endif +]])], + [libc_cv_target_power8_ok=yes], + [libc_cv_target_power8_ok=no])]) +AS_IF([test "$libc_cv_target_power8_ok" != "yes"], + [critic_missing="$critic_missing POWER8 or newer is required on powerpc64le."]) +CFLAGS="$OLD_CFLAGS" + +test -n "$critic_missing" && AC_MSG_ERROR([*** $critic_missing]) diff --git a/sysdeps/powerpc/powerpc64/le/fpu/Implies b/sysdeps/powerpc/powerpc64/le/fpu/Implies new file mode 100644 index 0000000000..c1f617b7da --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/fpu diff --git a/sysdeps/powerpc/powerpc64/le/fpu/e_sqrtf128.c b/sysdeps/powerpc/powerpc64/le/fpu/e_sqrtf128.c new file mode 100644 index 0000000000..f7c8ea33d3 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/e_sqrtf128.c @@ -0,0 +1,56 @@ +/* soft-fp sqrt for _Float128 + Return sqrt(a) + Copyright (C) 2017-2018 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + 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> + +/* Unavoidable hacks since TFmode is assumed to be binary128 when + -mabi=ibmlongdouble is used. */ +#if __HAVE_FLOAT128_UNLIKE_LDBL +# define TFtype KFtype +# define TF KF +#endif + +#include <soft-fp.h> +#include <quad.h> + +__float128 +__ieee754_sqrtf128 (__float128 a) +{ + FP_DECL_EX; + FP_DECL_Q (A); + FP_DECL_Q (R); + __float128 r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_Q (A, a); + FP_SQRT_Q (R, A); + FP_PACK_Q (r, R); + FP_HANDLE_EXCEPTIONS; + return r; +} +strong_alias (__ieee754_sqrtf128, __sqrtf128_finite) diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Implies new file mode 100644 index 0000000000..8d6531a174 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile new file mode 100644 index 0000000000..a32f3d8b81 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/Makefile @@ -0,0 +1,6 @@ +ifeq ($(subdir),math) +libm-sysdep_routines += w_sqrtf128-power9 w_sqrtf128-ppc64le + +CFLAGS-w_sqrtf128-ppc64le.c += -mfloat128 +CFLAGS-w_sqrtf128-power9.c += -mfloat128 -mcpu=power9 +endif diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128-power9.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128-power9.c new file mode 100644 index 0000000000..55d93b9256 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128-power9.c @@ -0,0 +1,35 @@ +/* POWER9 sqrt for _Float128 + Copyright (C) 2018 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + 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-type-macros-float128.h> + +#define __sqrtf128 __sqrtf128_power9 + +#undef declare_mgen_alias +#define declare_mgen_alias(a, b) + +#include <w_sqrt_template.c> diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128-ppc64le.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128-ppc64le.c new file mode 100644 index 0000000000..72f09b1017 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128-ppc64le.c @@ -0,0 +1,35 @@ +/* PPC64LE sqrt for _Float128 + Copyright (C) 2018 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + 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-type-macros-float128.h> + +#define __sqrtf128 __sqrtf128_ppc64le + +#undef declare_mgen_alias +#define declare_mgen_alias(a, b) + +#include <w_sqrt_template.c> diff --git a/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128.c b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128.c new file mode 100644 index 0000000000..a44bf4f5cc --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/multiarch/w_sqrtf128.c @@ -0,0 +1,31 @@ +/* Multiple versions of __sqrtf128. + Copyright (C) 2018 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/>. */ + +#define NO_MATH_REDIRECT +#include <math.h> +#include "init-arch.h" +#include <math-type-macros-float128.h> + +extern __typeof (__sqrtf128) __sqrtf128_ppc64le attribute_hidden; +extern __typeof (__sqrtf128) __sqrtf128_power9 attribute_hidden; + +libc_ifunc (__sqrtf128, + (hwcap2 & PPC_FEATURE2_ARCH_3_00) + ? __sqrtf128_power9 + : __sqrtf128_ppc64le); +declare_mgen_alias (__sqrt, sqrt) diff --git a/sysdeps/powerpc/powerpc64/le/fpu/sfp-machine.h b/sysdeps/powerpc/powerpc64/le/fpu/sfp-machine.h new file mode 100644 index 0000000000..fac5dd0347 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/fpu/sfp-machine.h @@ -0,0 +1,115 @@ +#define _FP_W_TYPE_SIZE 64 +#define _FP_W_TYPE unsigned long long +#define _FP_WS_TYPE signed long long +#define _FP_I_TYPE long long + +typedef int TItype __attribute__ ((mode (TI))); +typedef unsigned int UTItype __attribute__ ((mode (TI))); + +#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype)) + +/* The type of the result of a floating point comparison. This must + match `__libgcc_cmp_return__' in GCC for the target. */ +typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); +#define CMPtype __gcc_CMPtype + +#define _FP_MUL_MEAT_S(R,X,Y) \ + _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) + +#define _FP_MUL_MEAT_D(R,X,Y) \ + _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) + +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv(D,R,X,Y) +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) + +#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1) +#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1 + +#define _FP_NANSIGN_S 0 +#define _FP_NANSIGN_D 0 +#define _FP_NANSIGN_Q 0 + +#define _FP_KEEPNANFRACP 1 +#define _FP_QNANNEGATEDP 0 + +/* Someone please check this. */ +#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ + do { \ + if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ + && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ + { \ + R##_s = Y##_s; \ + _FP_FRAC_COPY_##wc(R,Y); \ + } \ + else \ + { \ + R##_s = X##_s; \ + _FP_FRAC_COPY_##wc(R,X); \ + } \ + R##_c = FP_CLS_NAN; \ + } while (0) + +#define _FP_TININESS_AFTER_ROUNDING 0 + +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 +#define __BYTE_ORDER __LITTLE_ENDIAN + +/* Only provide exception support if we have hardware floating point using + floating point registers and we can execute the mtfsf instruction. This + would only be true if we are using the emulation routines for IEEE 128-bit + floating point on pre-ISA 3.0 machines without the IEEE 128-bit floating + point support. */ + +#ifdef __FLOAT128__ +#define ISA_BIT(x) (1LL << (63 - x)) + +/* Use the same bits of the FPSCR. */ +# define FP_EX_INVALID ISA_BIT(34) +# define FP_EX_OVERFLOW ISA_BIT(35) +# define FP_EX_UNDERFLOW ISA_BIT(36) +# define FP_EX_DIVZERO ISA_BIT(37) +# define FP_EX_INEXACT ISA_BIT(38) +# define FP_EX_ALL (FP_EX_INVALID | FP_EX_OVERFLOW \ + | FP_EX_UNDERFLOW | FP_EX_DIVZERO \ + | FP_EX_INEXACT) + +void __sfp_handle_exceptions (int); + +# define FP_HANDLE_EXCEPTIONS \ + do { \ + if (__builtin_expect (_fex, 0)) \ + __sfp_handle_exceptions (_fex); \ + } while (0); + +/* The FP_EX_* bits track whether the exception has occurred. This macro + must set the FP_EX_* bits of those exceptions which are configured to + trap. The FPSCR bit which indicates this is 22 ISA bits above the + respective FP_EX_* bit. Note, the ISA labels bits from msb to lsb, + so 22 ISA bits above is 22 bits below when counted from the lsb. */ +# define FP_TRAPPING_EXCEPTIONS ((_fpscr.i << 22) & FP_EX_ALL) + +# define FP_RND_NEAREST 0x0 +# define FP_RND_ZERO 0x1 +# define FP_RND_PINF 0x2 +# define FP_RND_MINF 0x3 +# define FP_RND_MASK 0x3 + +# define _FP_DECL_EX \ + union { unsigned long long i; double d; } _fpscr __attribute__ ((unused)) = \ + { .i = FP_RND_NEAREST } + +#define FP_INIT_ROUNDMODE \ + do { \ + __asm__ __volatile__ ("mffs %0" \ + : "=f" (_fpscr.d)); \ + } while (0) + +# define FP_ROUNDMODE (_fpscr.i & FP_RND_MASK) +#endif /* !__FLOAT128__ */ diff --git a/sysdeps/powerpc/powerpc64/le/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/multiarch/Implies new file mode 100644 index 0000000000..30edcf7f9d --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power7/Implies b/sysdeps/powerpc/powerpc64/le/power7/Implies new file mode 100644 index 0000000000..5763968694 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power7/Implies @@ -0,0 +1,13 @@ +powerpc/powerpc64/power7 +powerpc/powerpc64/power6/fpu +powerpc/powerpc64/power6 +powerpc/powerpc64/power5+/fpu +powerpc/powerpc64/power5+ +powerpc/power5+/fpu +powerpc/power5+ +powerpc/powerpc64/power5/fpu +powerpc/powerpc64/power5 +powerpc/powerpc64/power4 +powerpc/power4/fpu +powerpc/power4 +powerpc/powerpc64/le diff --git a/sysdeps/powerpc/powerpc64/le/power7/fpu/Implies b/sysdeps/powerpc/powerpc64/le/power7/fpu/Implies new file mode 100644 index 0000000000..27eb299ef0 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power7/fpu/Implies @@ -0,0 +1,5 @@ +powerpc/powerpc64/power7/fpu +powerpc/powerpc64/power6/fpu +powerpc/powerpc64/power5+/fpu +powerpc/powerpc64/power5/fpu +powerpc/powerpc64/le/fpu diff --git a/sysdeps/powerpc/powerpc64/le/power7/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power7/fpu/multiarch/Implies new file mode 100644 index 0000000000..f9b3a92c33 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power7/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power7/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power7/multiarch/Implies new file mode 100644 index 0000000000..87b32a21ee --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power7/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power8/Implies b/sysdeps/powerpc/powerpc64/le/power8/Implies new file mode 100644 index 0000000000..6c3fc78ce1 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power8/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc64/power8 +powerpc/powerpc64/le/power7 diff --git a/sysdeps/powerpc/powerpc64/le/power8/fpu/Implies b/sysdeps/powerpc/powerpc64/le/power8/fpu/Implies new file mode 100644 index 0000000000..be3c5157b9 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power8/fpu/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc64/power8/fpu +powerpc/powerpc64/le/power7/fpu diff --git a/sysdeps/powerpc/powerpc64/le/power8/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power8/fpu/multiarch/Implies new file mode 100644 index 0000000000..36c05ff34a --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power8/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power7/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power8/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power8/multiarch/Implies new file mode 100644 index 0000000000..0057194b12 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power8/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power7/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power9/Implies b/sysdeps/powerpc/powerpc64/le/power9/Implies new file mode 100644 index 0000000000..8c0cfd7c2e --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power9/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc64/power9 +powerpc/powerpc64/le/power8 diff --git a/sysdeps/powerpc/powerpc64/le/power9/fpu/Implies b/sysdeps/powerpc/powerpc64/le/power9/fpu/Implies new file mode 100644 index 0000000000..8b7c0b4af6 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power9/fpu/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc64/power9/fpu +powerpc/powerpc64/le/power8/fpu diff --git a/sysdeps/powerpc/powerpc64/le/power9/fpu/e_sqrtf128.c b/sysdeps/powerpc/powerpc64/le/power9/fpu/e_sqrtf128.c new file mode 100644 index 0000000000..76ab451dbb --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power9/fpu/e_sqrtf128.c @@ -0,0 +1,36 @@ +/* POWER9 sqrt for _Float128 + Return sqrt(a) + Copyright (C) 2017-2018 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + 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/>. */ + +__float128 +__ieee754_sqrtf128 (__float128 a) +{ + __float128 z; + asm ("xssqrtqp %0,%1" : "=v" (z) : "v" (a)); + return z; +} +strong_alias (__ieee754_sqrtf128, __sqrtf128_finite) diff --git a/sysdeps/powerpc/powerpc64/le/power9/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power9/fpu/multiarch/Implies new file mode 100644 index 0000000000..dce5bca13e --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power9/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power8/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power9/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power9/multiarch/Implies new file mode 100644 index 0000000000..98efd68e54 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power9/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power8/multiarch |