diff options
Diffstat (limited to 'sysdeps/ia64')
| -rw-r--r-- | sysdeps/ia64/Implies | 1 | ||||
| -rw-r--r-- | sysdeps/ia64/Makefile | 5 | ||||
| -rw-r--r-- | sysdeps/ia64/bits/floatn.h | 94 | ||||
| -rw-r--r-- | sysdeps/ia64/float128-abi.h | 2 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/e_sqrtf128.c | 1 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/k_rem_pio2.c | 1 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/sfp-machine.h | 100 | ||||
| -rw-r--r-- | sysdeps/ia64/math-tests.h | 25 |
8 files changed, 228 insertions, 1 deletions
diff --git a/sysdeps/ia64/Implies b/sysdeps/ia64/Implies index 8524257020..22e4836e74 100644 --- a/sysdeps/ia64/Implies +++ b/sysdeps/ia64/Implies @@ -1,5 +1,6 @@ wordsize-64 # ia64 uses IEEE 754 floating point. +ieee754/float128 ieee754/ldbl-96 ieee754/dbl-64 ieee754/flt-32 diff --git a/sysdeps/ia64/Makefile b/sysdeps/ia64/Makefile index 5ebca89afa..a4305d524d 100644 --- a/sysdeps/ia64/Makefile +++ b/sysdeps/ia64/Makefile @@ -1,6 +1,11 @@ # The ia64 `long double' is a distinct type we support. long-double-fcts = yes +ifeq ($(subdir),math) +# sqrtf128 requires soft-fp. +CPPFLAGS += -I../soft-fp +endif + ifeq ($(subdir),gmon) sysdep_routines += _mcount endif diff --git a/sysdeps/ia64/bits/floatn.h b/sysdeps/ia64/bits/floatn.h new file mode 100644 index 0000000000..c7b1df6d2c --- /dev/null +++ b/sysdeps/ia64/bits/floatn.h @@ -0,0 +1,94 @@ +/* Macros to control TS 18661-3 glibc features on ia64. + Copyright (C) 2017 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/>. */ + +#ifndef _BITS_FLOATN_H +#define _BITS_FLOATN_H + +#include <features.h> + +/* Defined to 1 if the current compiler invocation provides a + floating-point type with the IEEE 754 binary128 format, and this + glibc includes corresponding *f128 interfaces for it. The required + libgcc support was added some time after the basic compiler + support. */ +#if __GNUC_PREREQ (4, 4) +# define __HAVE_FLOAT128 1 +#else +# define __HAVE_FLOAT128 0 +#endif + +/* Defined to 1 if __HAVE_FLOAT128 is 1 and the type is ABI-distinct + from the default float, double and long double types in this glibc. */ +#if __HAVE_FLOAT128 +# define __HAVE_DISTINCT_FLOAT128 1 +#else +# define __HAVE_DISTINCT_FLOAT128 0 +#endif + +/* Defined to concatenate the literal suffix to be used with _Float128 + types, if __HAVE_FLOAT128 is 1. */ +#if __HAVE_FLOAT128 +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +/* The literal suffix f128 exists only since GCC 7.0. */ +# define __f128(x) x##q +# else +# define __f128(x) x##f128 +# endif +#endif + +/* Defined to a complex binary128 type if __HAVE_FLOAT128 is 1. */ +#if __HAVE_FLOAT128 +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +/* Add a typedef for older GCC compilers which don't natively support + _Complex _Float128. */ +typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__))); +# define __CFLOAT128 __cfloat128 +# else +# define __CFLOAT128 _Complex _Float128 +# endif +#endif + +/* The remaining of this file provides support for older compilers. */ +#if __HAVE_FLOAT128 + +/* The type _Float128 exists only since GCC 7.0. */ +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +typedef __float128 _Float128; +# endif + +/* __builtin_huge_valf128 doesn't exist before GCC 7.0. */ +# if !__GNUC_PREREQ (7, 0) +# define __builtin_huge_valf128() ((_Float128) __builtin_huge_val ()) +# endif + +/* Older GCC has only a subset of built-in functions for _Float128 on + ia64, and __builtin_infq is not usable in static initializers. + Converting a narrower sNaN to _Float128 produces a quiet NaN, so + attempts to use _Float128 sNaNs will not work properly with older + compilers. */ +# if !__GNUC_PREREQ (7, 0) +# define __builtin_copysignf128 __builtin_copysignq +# define __builtin_fabsf128 __builtin_fabsq +# define __builtin_inff128() ((_Float128) __builtin_inf ()) +# define __builtin_nanf128(x) ((_Float128) __builtin_nan (x)) +# define __builtin_nansf128(x) ((_Float128) __builtin_nans (x)) +# endif + +#endif + +#endif /* _BITS_FLOATN_H */ diff --git a/sysdeps/ia64/float128-abi.h b/sysdeps/ia64/float128-abi.h new file mode 100644 index 0000000000..6b954cc673 --- /dev/null +++ b/sysdeps/ia64/float128-abi.h @@ -0,0 +1,2 @@ +/* ABI version for _Float128 ABI introduction. */ +#define FLOAT128_VERSION GLIBC_2.26 diff --git a/sysdeps/ia64/fpu/e_sqrtf128.c b/sysdeps/ia64/fpu/e_sqrtf128.c new file mode 100644 index 0000000000..d5bcb79aaa --- /dev/null +++ b/sysdeps/ia64/fpu/e_sqrtf128.c @@ -0,0 +1 @@ +#include <sysdeps/x86/fpu/e_sqrtf128.c> diff --git a/sysdeps/ia64/fpu/k_rem_pio2.c b/sysdeps/ia64/fpu/k_rem_pio2.c deleted file mode 100644 index 41254ae60a..0000000000 --- a/sysdeps/ia64/fpu/k_rem_pio2.c +++ /dev/null @@ -1 +0,0 @@ -/* Not needed. */ diff --git a/sysdeps/ia64/fpu/sfp-machine.h b/sysdeps/ia64/fpu/sfp-machine.h new file mode 100644 index 0000000000..45e844d3da --- /dev/null +++ b/sysdeps/ia64/fpu/sfp-machine.h @@ -0,0 +1,100 @@ +#define _FP_W_TYPE_SIZE 64 +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE 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_Q(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S _FP_QNANBIT_S +#define _FP_NANFRAC_D _FP_QNANBIT_D +#define _FP_NANFRAC_E _FP_QNANBIT_E, 0 +#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 + +#define _FP_KEEPNANFRACP 1 +#define _FP_QNANNEGATEDP 0 + +#define _FP_NANSIGN_S 1 +#define _FP_NANSIGN_D 1 +#define _FP_NANSIGN_E 1 +#define _FP_NANSIGN_Q 1 + +/* Here is something Intel misdesigned: the specs don't define + the case where we have two NaNs with same mantissas, but + different sign. Different operations pick up different NaNs. */ +#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ + do { \ + if (_FP_FRAC_GT_##wc(X, Y) \ + || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \ + { \ + R##_s = X##_s; \ + _FP_FRAC_COPY_##wc(R,X); \ + } \ + else \ + { \ + R##_s = Y##_s; \ + _FP_FRAC_COPY_##wc(R,Y); \ + } \ + R##_c = FP_CLS_NAN; \ + } while (0) + +#define FP_EX_INVALID 0x01 +#define FP_EX_DENORM 0x02 +#define FP_EX_DIVZERO 0x04 +#define FP_EX_OVERFLOW 0x08 +#define FP_EX_UNDERFLOW 0x10 +#define FP_EX_INEXACT 0x20 +#define FP_EX_ALL \ + (FP_EX_INVALID | FP_EX_DENORM | FP_EX_DIVZERO | FP_EX_OVERFLOW \ + | FP_EX_UNDERFLOW | FP_EX_INEXACT) + +#define _FP_TININESS_AFTER_ROUNDING 1 + +void __sfp_handle_exceptions (int); + +#define FP_HANDLE_EXCEPTIONS \ + do { \ + if (__builtin_expect (_fex, 0)) \ + __sfp_handle_exceptions (_fex); \ + } while (0); + +#define FP_TRAPPING_EXCEPTIONS (~_fcw & FP_EX_ALL) + +#define FP_RND_NEAREST 0 +#define FP_RND_ZERO 0xc00L +#define FP_RND_PINF 0x800L +#define FP_RND_MINF 0x400L + +#define FP_RND_MASK 0xc00L + +#define _FP_DECL_EX \ + unsigned long int _fcw __attribute__ ((unused)) = FP_RND_NEAREST + +#define FP_INIT_ROUNDMODE \ + do { \ + __asm__ __volatile__ ("mov.m %0 = ar.fpsr" : "=r" (_fcw)); \ + } while (0) + +#define FP_ROUNDMODE (_fcw & FP_RND_MASK) + +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 + +#define __BYTE_ORDER __LITTLE_ENDIAN + +/* Define ALIASNAME as a strong alias for NAME. */ +#define strong_alias(name, aliasname) _strong_alias(name, aliasname) +#define _strong_alias(name, aliasname) \ + extern __typeof (name) aliasname __attribute__ ((alias (#name))); diff --git a/sysdeps/ia64/math-tests.h b/sysdeps/ia64/math-tests.h new file mode 100644 index 0000000000..439ac75e5d --- /dev/null +++ b/sysdeps/ia64/math-tests.h @@ -0,0 +1,25 @@ +/* Configuration for math tests. ia64 version. + Copyright (C) 2017 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/>. */ + +/* Before GCC 7, there is no built-in function to provide a __float128 + sNaN, so most sNaN tests for this type cannot work. */ +#if !__GNUC_PREREQ (7, 0) +# define SNAN_TESTS_float128 0 +#endif + +#include_next <math-tests.h> |