diff options
Diffstat (limited to 'sysdeps/ieee754')
21 files changed, 549 insertions, 1 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_f32xaddf64.c b/sysdeps/ieee754/dbl-64/s_f32xaddf64.c new file mode 100644 index 0000000000..6e20a9e939 --- /dev/null +++ b/sysdeps/ieee754/dbl-64/s_f32xaddf64.c @@ -0,0 +1,30 @@ +/* Add _Float64 values, converting the result to _Float32x. + 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 daddl __hide_daddl +#include <math.h> +#undef daddl + +#include <math-narrow.h> + +_Float32x +__f32xaddf64 (_Float64 x, _Float64 y) +{ + NARROW_ADD_TRIVIAL (x, y, _Float32x); +} +libm_alias_float32x_float64 (add) diff --git a/sysdeps/ieee754/dbl-64/s_fadd.c b/sysdeps/ieee754/dbl-64/s_fadd.c new file mode 100644 index 0000000000..5ecb435497 --- /dev/null +++ b/sysdeps/ieee754/dbl-64/s_fadd.c @@ -0,0 +1,34 @@ +/* Add double values, narrowing the result to float. + 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 f32addf64 __hide_f32addf64 +#define f32addf32x __hide_f32addf32x +#define faddl __hide_faddl +#include <math.h> +#undef f32addf64 +#undef f32addf32x +#undef faddl + +#include <math-narrow.h> + +float +__fadd (double x, double y) +{ + NARROW_ADD_ROUND_TO_ODD (x, y, float, union ieee754_double, , mantissa1); +} +libm_alias_float_double (add) diff --git a/sysdeps/ieee754/float128/float128_private.h b/sysdeps/ieee754/float128/float128_private.h index d0d41c3cef..eebf19af93 100644 --- a/sysdeps/ieee754/float128/float128_private.h +++ b/sysdeps/ieee754/float128/float128_private.h @@ -256,6 +256,9 @@ #define __truncl __truncf128 #define __x2y2m1l __x2y2m1f128 +#define __faddl __f32addf128 +#define __daddl __f64addf128 + /* __nexttowardf128 is not _Float128 API. */ #define __nexttowardl __nexttowardf128_do_not_use #define nexttowardl nexttowardf128_do_not_use diff --git a/sysdeps/ieee754/float128/s_f32addf128.c b/sysdeps/ieee754/float128/s_f32addf128.c new file mode 100644 index 0000000000..e2f8ded401 --- /dev/null +++ b/sysdeps/ieee754/float128/s_f32addf128.c @@ -0,0 +1,6 @@ +#define f32addf64x __hide_f32addf64x +#define f32addf128 __hide_f32addf128 +#include <float128_private.h> +#undef f32addf64x +#undef f32addf128 +#include "../ldbl-128/s_faddl.c" diff --git a/sysdeps/ieee754/float128/s_f64addf128.c b/sysdeps/ieee754/float128/s_f64addf128.c new file mode 100644 index 0000000000..c2bb293399 --- /dev/null +++ b/sysdeps/ieee754/float128/s_f64addf128.c @@ -0,0 +1,10 @@ +#define f32xaddf64x __hide_f32xaddf64x +#define f32xaddf128 __hide_f32xaddf128 +#define f64addf64x __hide_f64addf64x +#define f64addf128 __hide_f64addf128 +#include <float128_private.h> +#undef f32xaddf64x +#undef f32xaddf128 +#undef f64addf64x +#undef f64addf128 +#include "../ldbl-128/s_daddl.c" diff --git a/sysdeps/ieee754/float128/s_f64xaddf128.c b/sysdeps/ieee754/float128/s_f64xaddf128.c new file mode 100644 index 0000000000..c8af0a5dff --- /dev/null +++ b/sysdeps/ieee754/float128/s_f64xaddf128.c @@ -0,0 +1,2 @@ +#include <float128_private.h> +#include "../ldbl-128/s_f64xaddf128.c" diff --git a/sysdeps/ieee754/ldbl-128/s_daddl.c b/sysdeps/ieee754/ldbl-128/s_daddl.c new file mode 100644 index 0000000000..81e8e2d3e1 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/s_daddl.c @@ -0,0 +1,37 @@ +/* Add long double (ldbl-128) values, narrowing the result to double. + 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 f32xaddf64x __hide_f32xaddf64x +#define f32xaddf128 __hide_f32xaddf128 +#define f64addf64x __hide_f64addf64x +#define f64addf128 __hide_f64addf128 +#include <math.h> +#undef f32xaddf64x +#undef f32xaddf128 +#undef f64addf64x +#undef f64addf128 + +#include <math-narrow.h> + +double +__daddl (_Float128 x, _Float128 y) +{ + NARROW_ADD_ROUND_TO_ODD (x, y, double, union ieee854_long_double, l, + mantissa3); +} +libm_alias_double_ldouble (add) diff --git a/sysdeps/ieee754/ldbl-128/s_f64xaddf128.c b/sysdeps/ieee754/ldbl-128/s_f64xaddf128.c new file mode 100644 index 0000000000..545c7b93fd --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/s_f64xaddf128.c @@ -0,0 +1,38 @@ +/* Add _Float128 values, converting the result to _Float64x. + 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/>. */ + +#include <math.h> +#include <math-narrow.h> + +/* math_ldbl.h defines _Float128 to long double for this directory, + but when they are different, this function must be defined with + _Float128 arguments to avoid defining an alias with an incompatible + type. */ +#undef _Float128 + +_Float64x +__f64xaddf128 (_Float128 x, _Float128 y) +{ +#if __HAVE_FLOAT64X_LONG_DOUBLE && __HAVE_DISTINCT_FLOAT128 + NARROW_ADD_ROUND_TO_ODD (x, y, _Float64x, union ieee854_long_double, l, + mantissa3); +#else + NARROW_ADD_TRIVIAL (x, y, _Float64x); +#endif +} +libm_alias_float64x_float128 (add) diff --git a/sysdeps/ieee754/ldbl-128/s_faddl.c b/sysdeps/ieee754/ldbl-128/s_faddl.c new file mode 100644 index 0000000000..edbaa2103b --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/s_faddl.c @@ -0,0 +1,33 @@ +/* Add long double (ldbl-128) values, narrowing the result to float. + 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 f32addf64x __hide_f32addf64x +#define f32addf128 __hide_f32addf128 +#include <math.h> +#undef f32addf64x +#undef f32addf128 + +#include <math-narrow.h> + +float +__faddl (_Float128 x, _Float128 y) +{ + NARROW_ADD_ROUND_TO_ODD (x, y, float, union ieee854_long_double, l, + mantissa3); +} +libm_alias_float_ldouble (add) diff --git a/sysdeps/ieee754/ldbl-128ibm/s_daddl.c b/sysdeps/ieee754/ldbl-128ibm/s_daddl.c new file mode 100644 index 0000000000..28b7e06ace --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm/s_daddl.c @@ -0,0 +1,27 @@ +/* Add long double (ldbl-128ibm) values, narrowing the result to double. + 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/>. */ + +#include <math.h> +#include <math-narrow.h> + +double +__daddl (long double x, long double y) +{ + NARROW_ADD_TRIVIAL (x, y, double); +} +libm_alias_double_ldouble (add) diff --git a/sysdeps/ieee754/ldbl-128ibm/s_faddl.c b/sysdeps/ieee754/ldbl-128ibm/s_faddl.c new file mode 100644 index 0000000000..55a391885c --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm/s_faddl.c @@ -0,0 +1,27 @@ +/* Add long double (ldbl-128ibm) values, narrowing the result to float. + 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/>. */ + +#include <math.h> +#include <math-narrow.h> + +float +__faddl (long double x, long double y) +{ + NARROW_ADD_TRIVIAL (x, y, float); +} +libm_alias_float_ldouble (add) diff --git a/sysdeps/ieee754/ldbl-96/s_daddl.c b/sysdeps/ieee754/ldbl-96/s_daddl.c new file mode 100644 index 0000000000..d1e3c17bc7 --- /dev/null +++ b/sysdeps/ieee754/ldbl-96/s_daddl.c @@ -0,0 +1,33 @@ +/* Add long double (ldbl-96) values, narrowing the result to double. + 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 f32xaddf64x __hide_f32xaddf64x +#define f64addf64x __hide_f64addf64x +#include <math.h> +#undef f32xaddf64x +#undef f64addf64x + +#include <math-narrow.h> + +double +__daddl (long double x, long double y) +{ + NARROW_ADD_ROUND_TO_ODD (x, y, double, union ieee854_long_double, l, + mantissa1); +} +libm_alias_double_ldouble (add) diff --git a/sysdeps/ieee754/ldbl-96/s_faddl.c b/sysdeps/ieee754/ldbl-96/s_faddl.c new file mode 100644 index 0000000000..4164774cd4 --- /dev/null +++ b/sysdeps/ieee754/ldbl-96/s_faddl.c @@ -0,0 +1,31 @@ +/* Add long double (ldbl-96) values, narrowing the result to float. + 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 f32addf64x __hide_f32addf64x +#include <math.h> +#undef f32addf64x + +#include <math-narrow.h> + +float +__faddl (long double x, long double y) +{ + NARROW_ADD_ROUND_TO_ODD (x, y, float, union ieee854_long_double, l, + mantissa1); +} +libm_alias_float_ldouble (add) diff --git a/sysdeps/ieee754/ldbl-opt/Makefile b/sysdeps/ieee754/ldbl-opt/Makefile index 38afe38ab8..2340e4ce29 100644 --- a/sysdeps/ieee754/ldbl-opt/Makefile +++ b/sysdeps/ieee754/ldbl-opt/Makefile @@ -44,7 +44,7 @@ libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \ isoc99_vwscanf isoc99_vfwscanf isoc99_vswscanf \ nextup nextdown totalorder totalordermag getpayload \ canonicalize setpayload setpayloadsig llogb fmaxmag fminmag \ - roundeven fromfp ufromfp fromfpx ufromfpx + roundeven fromfp ufromfp fromfpx ufromfpx fadd dadd libnldbl-routines = $(libnldbl-calls:%=nldbl-%) libnldbl-inhibit-o = $(object-suffixes) libnldbl-static-only-routines = $(libnldbl-routines) @@ -86,6 +86,7 @@ CFLAGS-nldbl-csinh.c = -fno-builtin-csinhl CFLAGS-nldbl-csqrt.c = -fno-builtin-csqrtl CFLAGS-nldbl-ctan.c = -fno-builtin-ctanl CFLAGS-nldbl-ctanh.c = -fno-builtin-ctanhl +CFLAGS-nldbl-dadd.c = -fno-builtin-daddl CFLAGS-nldbl-erf.c = -fno-builtin-erfl CFLAGS-nldbl-erfc.c = -fno-builtin-erfcl CFLAGS-nldbl-exp.c = -fno-builtin-expl @@ -93,6 +94,7 @@ CFLAGS-nldbl-exp10.c = -fno-builtin-exp10l CFLAGS-nldbl-exp2.c = -fno-builtin-exp2l CFLAGS-nldbl-expm1.c = -fno-builtin-expm1l CFLAGS-nldbl-fabs.c = -fno-builtin-fabsl +CFLAGS-nldbl-fadd.c = -fno-builtin-faddl CFLAGS-nldbl-fdim.c = -fno-builtin-fdiml CFLAGS-nldbl-finite.c = -fno-builtin-finitel CFLAGS-nldbl-floor.c = -fno-builtin-floorl diff --git a/sysdeps/ieee754/ldbl-opt/Versions b/sysdeps/ieee754/ldbl-opt/Versions index d3f0beaef2..e50efa3520 100644 --- a/sysdeps/ieee754/ldbl-opt/Versions +++ b/sysdeps/ieee754/ldbl-opt/Versions @@ -97,4 +97,10 @@ libm { sincosl; tanl; tanhl; truncl; expl; __finitel; __signbitl; __fpclassifyl; nexttowardf; nexttoward; __nldbl_nexttowardf; } + GLIBC_2.28 { + # Functions taking long double = double argument and rounding + # result to double (same as f32x*f64 functions, but those names + # are not reserved in TS 18661-1). + __nldbl_daddl; + } } diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h index d61fbb2f64..74f0e459fa 100644 --- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h +++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h @@ -101,5 +101,8 @@ extern int __nldbl___obstack_vprintf_chk (struct obstack *, int, const char *, __gnuc_va_list) __THROW; extern void __nldbl___vsyslog_chk (int, int, const char *, va_list); +/* The original declarations of these were hidden by the including + file. */ +extern double __nldbl_daddl (double, double) __THROW; #endif /* __NLDBL_COMPAT_H */ diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-dadd.c b/sysdeps/ieee754/ldbl-opt/nldbl-dadd.c new file mode 100644 index 0000000000..acbcb3ff75 --- /dev/null +++ b/sysdeps/ieee754/ldbl-opt/nldbl-dadd.c @@ -0,0 +1,28 @@ +/* Compatibility routine for IEEE double as long double for dadd. + 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 daddl __hide_daddl +#include "nldbl-compat.h" +#undef daddl + +double +attribute_hidden +daddl (double x, double y) +{ + return __nldbl_daddl (x, y); +} diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-fadd.c b/sysdeps/ieee754/ldbl-opt/nldbl-fadd.c new file mode 100644 index 0000000000..c31a6db475 --- /dev/null +++ b/sysdeps/ieee754/ldbl-opt/nldbl-fadd.c @@ -0,0 +1,28 @@ +/* Compatibility routine for IEEE double as long double for fadd. + 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 faddl __hide_faddl +#include "nldbl-compat.h" +#undef faddl + +float +attribute_hidden +faddl (double x, double y) +{ + return fadd (x, y); +} diff --git a/sysdeps/ieee754/soft-fp/s_daddl.c b/sysdeps/ieee754/soft-fp/s_daddl.c new file mode 100644 index 0000000000..efe3772413 --- /dev/null +++ b/sysdeps/ieee754/soft-fp/s_daddl.c @@ -0,0 +1,59 @@ +/* Add long double (ldbl-128) values, narrowing the result to double, + using soft-fp. + 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 f32xaddf64x __hide_f32xaddf64x +#define f32xaddf128 __hide_f32xaddf128 +#define f64addf64x __hide_f64addf64x +#define f64addf128 __hide_f64addf128 +#include <math.h> +#undef f32xaddf64x +#undef f32xaddf128 +#undef f64addf64x +#undef f64addf128 + +#include <math-narrow.h> +#include <soft-fp.h> +#include <double.h> +#include <quad.h> + +double +__daddl (_Float128 x, _Float128 y) +{ + FP_DECL_EX; + FP_DECL_Q (X); + FP_DECL_Q (Y); + FP_DECL_Q (R); + FP_DECL_D (RN); + double ret; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_Q (X, x); + FP_UNPACK_SEMIRAW_Q (Y, y); + FP_ADD_Q (R, X, Y); +#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q + FP_TRUNC (D, Q, 2, 4, RN, R); +#else + FP_TRUNC (D, Q, 1, 2, RN, R); +#endif + FP_PACK_SEMIRAW_D (ret, RN); + FP_HANDLE_EXCEPTIONS; + CHECK_NARROW_ADD (ret, x, y); + return ret; +} +libm_alias_double_ldouble (add) diff --git a/sysdeps/ieee754/soft-fp/s_fadd.c b/sysdeps/ieee754/soft-fp/s_fadd.c new file mode 100644 index 0000000000..606e527300 --- /dev/null +++ b/sysdeps/ieee754/soft-fp/s_fadd.c @@ -0,0 +1,56 @@ +/* Add double values, narrowing the result to float, using soft-fp. + 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 f32addf64 __hide_f32addf64 +#define f32addf32x __hide_f32addf32x +#define faddl __hide_faddl +#include <math.h> +#undef f32addf64 +#undef f32addf32x +#undef faddl + +#include <math-narrow.h> +#include <soft-fp.h> +#include <single.h> +#include <double.h> + +float +__fadd (double x, double y) +{ + FP_DECL_EX; + FP_DECL_D (X); + FP_DECL_D (Y); + FP_DECL_D (R); + FP_DECL_S (RN); + float ret; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_D (X, x); + FP_UNPACK_SEMIRAW_D (Y, y); + FP_ADD_D (R, X, Y); +#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D + FP_TRUNC (S, D, 1, 2, RN, R); +#else + FP_TRUNC (S, D, 1, 1, RN, R); +#endif + FP_PACK_SEMIRAW_S (ret, RN); + FP_HANDLE_EXCEPTIONS; + CHECK_NARROW_ADD (ret, x, y); + return ret; +} +libm_alias_float_double (add) diff --git a/sysdeps/ieee754/soft-fp/s_faddl.c b/sysdeps/ieee754/soft-fp/s_faddl.c new file mode 100644 index 0000000000..42c4422060 --- /dev/null +++ b/sysdeps/ieee754/soft-fp/s_faddl.c @@ -0,0 +1,55 @@ +/* Add long double (ldbl-128) values, narrowing the result to float, + using soft-fp. + 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 f32addf64x __hide_f32addf64x +#define f32addf128 __hide_f32addf128 +#include <math.h> +#undef f32addf64x +#undef f32addf128 + +#include <math-narrow.h> +#include <soft-fp.h> +#include <single.h> +#include <quad.h> + +float +__faddl (_Float128 x, _Float128 y) +{ + FP_DECL_EX; + FP_DECL_Q (X); + FP_DECL_Q (Y); + FP_DECL_Q (R); + FP_DECL_S (RN); + float ret; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_Q (X, x); + FP_UNPACK_SEMIRAW_Q (Y, y); + FP_ADD_Q (R, X, Y); +#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q + FP_TRUNC (S, Q, 1, 4, RN, R); +#else + FP_TRUNC (S, Q, 1, 2, RN, R); +#endif + FP_PACK_SEMIRAW_S (ret, RN); + FP_HANDLE_EXCEPTIONS; + CHECK_NARROW_ADD (ret, x, y); + return ret; +} +libm_alias_float_ldouble (add) |