diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sparc/sparc32/soft-fp')
30 files changed, 1314 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/Makefile b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/Makefile new file mode 100644 index 0000000000..137e26bee9 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/Makefile @@ -0,0 +1,29 @@ +# Software floating-point emulation. +# Makefile for SPARC v8 long double utility functions (_Q_*). +# Copyright (C) 1999-2017 Free Software Foundation, Inc. +# This file is part of the GNU C Library. +# Contributed by Jakub Jelinek (jj@ultra.linux.cz). +# + +# 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/>. + +ifeq ($(subdir),soft-fp) +sparc32-quad-routines := q_add q_cmp q_cmpe q_div q_dtoq q_feq q_fge \ + q_fgt q_fle q_flt q_fne q_itoq q_mul q_neg q_qtod q_qtoi \ + q_qtos q_qtou q_qtoull q_qtoll q_sqrt q_stoq q_sub q_utoq \ + q_ulltoq q_lltoq q_util +sysdep_routines += $(sparc32-quad-routines) + +endif diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/Versions b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/Versions new file mode 100644 index 0000000000..6a09249c46 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/Versions @@ -0,0 +1,8 @@ +libc { + GLIBC_2.4 { + _Q_add; _Q_cmp; _Q_cmpe; _Q_div; _Q_dtoq; _Q_feq; _Q_fge; _Q_fgt; + _Q_fle; _Q_flt; _Q_fne; _Q_itoq; _Q_mul; _Q_neg; _Q_qtod; _Q_qtoi; + _Q_qtos; _Q_qtou; _Q_qtoull; _Q_qtoll; _Q_sqrt; _Q_stoq; _Q_sub; + _Q_utoq; _Q_ulltoq; _Q_lltoq; + } +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_add.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_add.c new file mode 100644 index 0000000000..2a250dee37 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_add.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation. + Return a + b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +long double _Q_add(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_Q(A, a); + FP_UNPACK_SEMIRAW_Q(B, b); + FP_ADD_Q(C, A, B); + FP_PACK_SEMIRAW_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_cmp.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_cmp.c new file mode 100644 index 0000000000..9269cf72ae --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_cmp.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation. + Compare a and b, return float condition code. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_cmp(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_Q(r, B, A, 3, 1); + if (r == -1) r = 2; + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_cmpe.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_cmpe.c new file mode 100644 index 0000000000..6a46441e8f --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_cmpe.c @@ -0,0 +1,39 @@ +/* Software floating-point emulation. + Compare a and b, return float condition code. + Signal exception (unless masked) if unordered. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_cmpe(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_Q(r, B, A, 3, 2); + if (r == -1) r = 2; + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_div.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_div.c new file mode 100644 index 0000000000..4920219a4d --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_div.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation. + Return a / b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +long double _Q_div(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_Q(A, a); + FP_UNPACK_Q(B, b); + FP_DIV_Q(C, A, B); + FP_PACK_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_dtoq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_dtoq.c new file mode 100644 index 0000000000..1d5426dfe9 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_dtoq.c @@ -0,0 +1,43 @@ +/* Software floating-point emulation. + Return (long double)(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "double.h" +#include "quad.h" + +long double _Q_dtoq(const double a) +{ + FP_DECL_EX; + FP_DECL_D(A); + FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_RAW_D(A, a); +#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q + FP_EXTEND(Q,D,4,2,C,A); +#else + FP_EXTEND(Q,D,2,1,C,A); +#endif + FP_PACK_RAW_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_feq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_feq.c new file mode 100644 index 0000000000..94ba005e61 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_feq.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return 1 if a == b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_feq(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_EQ_Q(r, A, B, 1); + FP_HANDLE_EXCEPTIONS; + + return !r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fge.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fge.c new file mode 100644 index 0000000000..09c45d7ef9 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fge.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return 1 if a >= b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_fge(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_Q(r, B, A, 3, 2); + FP_HANDLE_EXCEPTIONS; + + return (r <= 0); +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fgt.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fgt.c new file mode 100644 index 0000000000..1386b14434 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fgt.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return 1 if a > b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_fgt(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_Q(r, B, A, 3, 2); + FP_HANDLE_EXCEPTIONS; + + return (r == -1); +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fle.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fle.c new file mode 100644 index 0000000000..83b676ee44 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fle.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return 1 if a <= b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_fle(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_Q(r, B, A, -2, 2); + FP_HANDLE_EXCEPTIONS; + + return (r >= 0); +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_flt.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_flt.c new file mode 100644 index 0000000000..f196393b44 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_flt.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return 1 if a < b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_flt(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_Q(r, B, A, 3, 2); + FP_HANDLE_EXCEPTIONS; + + return (r == 1); +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fne.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fne.c new file mode 100644 index 0000000000..b017d892c9 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_fne.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return 1 if a != b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +int _Q_fne(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); + int r; + + FP_UNPACK_RAW_Q(A, a); + FP_UNPACK_RAW_Q(B, b); + FP_CMP_EQ_Q(r, A, B, 1); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_itoq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_itoq.c new file mode 100644 index 0000000000..e11938cc43 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_itoq.c @@ -0,0 +1,35 @@ +/* Software floating-point emulation. + Return (long double)(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_NO_EXCEPTIONS +#include "soft-fp.h" +#include "quad.h" + +long double _Q_itoq(const int a) +{ + FP_DECL_Q(C); + int b = a; + long double c; + + FP_FROM_INT_Q(C, b, 32, unsigned int); + FP_PACK_RAW_Q(c, C); + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_lltoq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_lltoq.c new file mode 100644 index 0000000000..b94443dd65 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_lltoq.c @@ -0,0 +1,35 @@ +/* Software floating-point emulation. + Return (long double)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_NO_EXCEPTIONS +#include "soft-fp.h" +#include "quad.h" + +long double _Q_lltoq(const long long a) +{ + FP_DECL_Q(C); + long double c; + long long b = a; + + FP_FROM_INT_Q(C, b, 64, unsigned long long); + FP_PACK_RAW_Q(c, C); + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_mul.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_mul.c new file mode 100644 index 0000000000..8892f0ef93 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_mul.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation. + Return a * b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +long double _Q_mul(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_Q(A, a); + FP_UNPACK_Q(B, b); + FP_MUL_Q(C, A, B); + FP_PACK_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_neg.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_neg.c new file mode 100644 index 0000000000..9660d17eac --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_neg.c @@ -0,0 +1,48 @@ +/* Software floating-point emulation. + Return !a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +long double _Q_neg(const long double a) +{ + union { + long double ldbl; + UWtype words[4]; + } c; + + c.ldbl = a; + +#if (__BYTE_ORDER == __BIG_ENDIAN) + c.words[0] ^= (((UWtype)1) << (W_TYPE_SIZE - 1)); +#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 64) + c.words[1] ^= (((UWtype)1) << (W_TYPE_SIZE - 1)); +#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 32) + c.words[3] ^= (((UWtype)1) << (W_TYPE_SIZE - 1)); +#else + FP_DECL_Q(A); FP_DECL_Q(C); + + FP_UNPACK_RAW_Q(A, a); + FP_NEG_Q(C, A); + FP_PACK_RAW_Q(c.ldbl, C); +#endif + return c.ldbl; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtod.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtod.c new file mode 100644 index 0000000000..9d7b80ef3e --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtod.c @@ -0,0 +1,44 @@ +/* Software floating-point emulation. + Return (double)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "double.h" +#include "quad.h" + +double _Q_qtod(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + FP_DECL_D(R); + double r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_Q(A, a); +#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q + FP_TRUNC(D,Q,2,4,R,A); +#else + FP_TRUNC(D,Q,1,2,R,A); +#endif + FP_PACK_SEMIRAW_D(r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoi.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoi.c new file mode 100644 index 0000000000..5d362b70e4 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoi.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return (int)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_ROUNDMODE FP_RND_ZERO +#include "soft-fp.h" +#include "quad.h" + +int _Q_qtoi(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + unsigned int r; + + FP_UNPACK_RAW_Q(A, a); + FP_TO_INT_Q(r, A, 32, 1); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoll.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoll.c new file mode 100644 index 0000000000..bfaa64ac11 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoll.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return (long long)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_ROUNDMODE FP_RND_ZERO +#include "soft-fp.h" +#include "quad.h" + +long long _Q_qtoll(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + unsigned long long r; + + FP_UNPACK_RAW_Q(A, a); + FP_TO_INT_Q(r, A, 64, 1); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtos.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtos.c new file mode 100644 index 0000000000..b2642def3b --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtos.c @@ -0,0 +1,44 @@ +/* Software floating-point emulation. + Return (float)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "single.h" +#include "quad.h" + +float _Q_qtos(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + FP_DECL_S(R); + float r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_Q(A, a); +#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q + FP_TRUNC(S,Q,1,4,R,A); +#else + FP_TRUNC(S,Q,1,2,R,A); +#endif + FP_PACK_SEMIRAW_S(r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtou.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtou.c new file mode 100644 index 0000000000..3940a2f5b6 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtou.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return (unsigned int)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_ROUNDMODE FP_RND_ZERO +#include "soft-fp.h" +#include "quad.h" + +unsigned int _Q_qtou(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + unsigned int r; + + FP_UNPACK_RAW_Q(A, a); + FP_TO_INT_Q(r, A, 32, -1); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoull.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoull.c new file mode 100644 index 0000000000..83fabef05c --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_qtoull.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return (unsigned long long)a + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_ROUNDMODE FP_RND_ZERO +#include "soft-fp.h" +#include "quad.h" + +unsigned long long _Q_qtoull(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + unsigned long long r; + + FP_UNPACK_RAW_Q(A, a); + FP_TO_INT_Q(r, A, 64, -1); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_sqrt.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_sqrt.c new file mode 100644 index 0000000000..c3939446fe --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_sqrt.c @@ -0,0 +1,37 @@ +/* Software floating-point emulation. + Return sqrtl(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +long double _Q_sqrt(const long double a) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_Q(A, a); + FP_SQRT_Q(C, A); + FP_PACK_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_stoq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_stoq.c new file mode 100644 index 0000000000..b011d801b4 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_stoq.c @@ -0,0 +1,42 @@ +/* Software floating-point emulation. + c = (long double)(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "single.h" +#include "quad.h" + +long double _Q_stoq(const float a) +{ + FP_DECL_EX; + FP_DECL_S(A); + FP_DECL_Q(C); + long double c; + + FP_UNPACK_RAW_S(A, a); +#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q + FP_EXTEND(Q,S,4,1,C,A); +#else + FP_EXTEND(Q,S,2,1,C,A); +#endif + FP_PACK_RAW_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_sub.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_sub.c new file mode 100644 index 0000000000..69d78cd85a --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_sub.c @@ -0,0 +1,38 @@ +/* Software floating-point emulation. + c = a - b + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 "soft-fp.h" +#include "quad.h" + +long double _Q_sub(const long double a, const long double b) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); + long double c; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_Q(A, a); + FP_UNPACK_SEMIRAW_Q(B, b); + FP_SUB_Q(C, A, B); + FP_PACK_SEMIRAW_Q(c, C); + FP_HANDLE_EXCEPTIONS; + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_ulltoq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_ulltoq.c new file mode 100644 index 0000000000..97586cb588 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_ulltoq.c @@ -0,0 +1,35 @@ +/* Software floating-point emulation. + Return (long double)(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_NO_EXCEPTIONS +#include "soft-fp.h" +#include "quad.h" + +long double _Q_ulltoq(const unsigned long long a) +{ + FP_DECL_Q(C); + long double c; + unsigned long long b = a; + + FP_FROM_INT_Q(C, b, 64, unsigned long long); + FP_PACK_RAW_Q(c, C); + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_util.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_util.c new file mode 100644 index 0000000000..35de7ee791 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_util.c @@ -0,0 +1,62 @@ +/* Software floating-point emulation. + Helper routine for _Q_* routines. + Simulate exceptions using double arithmetics. + Copyright (C) 1999-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek (jj@ultra.linux.cz). + + 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 <float.h> +#include <math.h> +#include <assert.h> +#include "soft-fp.h" + +unsigned long long ___Q_zero = 0x0000000000000000ULL; + +void ___Q_simulate_exceptions(int exceptions) +{ + if (exceptions & FP_EX_INVALID) + { + float f = 0.0; + __asm__ __volatile__ ("fdivs %0, %0, %0" : "+f" (f)); + } + if (exceptions & FP_EX_DIVZERO) + { + float f = 1.0, g = 0.0; + __asm__ __volatile__ ("fdivs %0, %1, %0" + : "+f" (f) + : "f" (g)); + } + if (exceptions & FP_EX_OVERFLOW) + { + float f = FLT_MAX; + __asm__ __volatile__("fmuls %0, %0, %0" : "+f" (f)); + exceptions &= ~FP_EX_INEXACT; + } + if (exceptions & FP_EX_UNDERFLOW) + { + float f = FLT_MIN; + __asm__ __volatile__("fmuls %0, %0, %0" : "+f" (f)); + exceptions &= ~FP_EX_INEXACT; + } + if (exceptions & FP_EX_INEXACT) + { + double d = 1.0, e = M_PI; + __asm__ __volatile__ ("fdivd %0, %1, %0" + : "+f" (d) + : "f" (e)); + } +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_utoq.c b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_utoq.c new file mode 100644 index 0000000000..48337ccb0e --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/q_utoq.c @@ -0,0 +1,35 @@ +/* Software floating-point emulation. + c = (long double)(a) + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com) and + Jakub Jelinek (jj@ultra.linux.cz). + + 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 FP_NO_EXCEPTIONS +#include "soft-fp.h" +#include "quad.h" + +long double _Q_utoq(const unsigned int a) +{ + FP_DECL_Q(C); + long double c; + unsigned int b = a; + + FP_FROM_INT_Q(C, b, 32, unsigned int); + FP_PACK_RAW_Q(c, C); + return c; +} diff --git a/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h new file mode 100644 index 0000000000..de9d56ec46 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h @@ -0,0 +1,218 @@ +/* Machine-dependent software floating-point definitions. + Sparc userland (_Q_*) version. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@cygnus.com), + Jakub Jelinek (jj@ultra.linux.cz) and + David S. Miller (davem@redhat.com). + + 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 <fpu_control.h> +#include <stdlib.h> + +#define _FP_W_TYPE_SIZE 32 +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE long + +#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_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) +#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 +#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -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 + +/* If one NaN is signaling and the other is not, + * we choose that one, otherwise we choose X. + */ +/* For _Qp_* and _Q_*, this should prefer X, for + * CPU instruction emulation this should prefer Y. + * (see SPAMv9 B.2.2 section). + */ +#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) + +/* Some assembly to speed things up. */ +#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \ + __asm__ ("addcc %r7,%8,%2\n\ + addxcc %r5,%6,%1\n\ + addx %r3,%4,%0" \ + : "=r" ((USItype)(r2)), \ + "=&r" ((USItype)(r1)), \ + "=&r" ((USItype)(r0)) \ + : "%rJ" ((USItype)(x2)), \ + "rI" ((USItype)(y2)), \ + "%rJ" ((USItype)(x1)), \ + "rI" ((USItype)(y1)), \ + "%rJ" ((USItype)(x0)), \ + "rI" ((USItype)(y0)) \ + : "cc") + +#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \ + __asm__ ("subcc %r7,%8,%2\n\ + subxcc %r5,%6,%1\n\ + subx %r3,%4,%0" \ + : "=r" ((USItype)(r2)), \ + "=&r" ((USItype)(r1)), \ + "=&r" ((USItype)(r0)) \ + : "%rJ" ((USItype)(x2)), \ + "rI" ((USItype)(y2)), \ + "%rJ" ((USItype)(x1)), \ + "rI" ((USItype)(y1)), \ + "%rJ" ((USItype)(x0)), \ + "rI" ((USItype)(y0)) \ + : "cc") + +#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ + do { \ + /* We need to fool gcc, as we need to pass more than 10 \ + input/outputs. */ \ + register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \ + __asm__ __volatile__ ("\ + addcc %r8,%9,%1\n\ + addxcc %r6,%7,%0\n\ + addxcc %r4,%5,%%g2\n\ + addx %r2,%3,%%g1" \ + : "=&r" ((USItype)(r1)), \ + "=&r" ((USItype)(r0)) \ + : "%rJ" ((USItype)(x3)), \ + "rI" ((USItype)(y3)), \ + "%rJ" ((USItype)(x2)), \ + "rI" ((USItype)(y2)), \ + "%rJ" ((USItype)(x1)), \ + "rI" ((USItype)(y1)), \ + "%rJ" ((USItype)(x0)), \ + "rI" ((USItype)(y0)) \ + : "cc", "g1", "g2"); \ + __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \ + r3 = _t1; r2 = _t2; \ + } while (0) + +#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ + do { \ + /* We need to fool gcc, as we need to pass more than 10 \ + input/outputs. */ \ + register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \ + __asm__ __volatile__ ("\ + subcc %r8,%9,%1\n\ + subxcc %r6,%7,%0\n\ + subxcc %r4,%5,%%g2\n\ + subx %r2,%3,%%g1" \ + : "=&r" ((USItype)(r1)), \ + "=&r" ((USItype)(r0)) \ + : "%rJ" ((USItype)(x3)), \ + "rI" ((USItype)(y3)), \ + "%rJ" ((USItype)(x2)), \ + "rI" ((USItype)(y2)), \ + "%rJ" ((USItype)(x1)), \ + "rI" ((USItype)(y1)), \ + "%rJ" ((USItype)(x0)), \ + "rI" ((USItype)(y0)) \ + : "cc", "g1", "g2"); \ + __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \ + r3 = _t1; r2 = _t2; \ + } while (0) + +#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0) + +#define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0) __FP_FRAC_SUB_4(x3,x2,x1,x0,x3,x2,x1,x0,y3,y2,y1,y0) + +#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \ + __asm__ ("addcc %3,%4,%3\n\ + addxcc %2,%%g0,%2\n\ + addxcc %1,%%g0,%1\n\ + addx %0,%%g0,%0" \ + : "=&r" ((USItype)(x3)), \ + "=&r" ((USItype)(x2)), \ + "=&r" ((USItype)(x1)), \ + "=&r" ((USItype)(x0)) \ + : "rI" ((USItype)(i)), \ + "0" ((USItype)(x3)), \ + "1" ((USItype)(x2)), \ + "2" ((USItype)(x1)), \ + "3" ((USItype)(x0)) \ + : "cc") + +/* Obtain the current rounding mode. */ +#ifndef FP_ROUNDMODE +#define FP_ROUNDMODE ((_fcw >> 30) & 0x3) +#endif + +/* Exception flags. */ +#define FP_EX_INVALID (1 << 4) +#define FP_EX_OVERFLOW (1 << 3) +#define FP_EX_UNDERFLOW (1 << 2) +#define FP_EX_DIVZERO (1 << 1) +#define FP_EX_INEXACT (1 << 0) + +#define _FP_TININESS_AFTER_ROUNDING 0 + +#define _FP_DECL_EX \ + fpu_control_t _fcw __attribute__ ((unused)) = (FP_RND_NEAREST << 30) + +#define FP_INIT_ROUNDMODE \ +do { \ + _FPU_GETCW(_fcw); \ +} while (0) + +#define FP_TRAPPING_EXCEPTIONS ((_fcw >> 23) & 0x1f) +#define FP_INHIBIT_RESULTS ((_fcw >> 23) & _fex) + +/* Simulate exceptions using double arithmetics. */ +extern void ___Q_simulate_exceptions(int exc); + +#define FP_HANDLE_EXCEPTIONS \ +do { \ + if (!_fex) \ + { \ + /* This is the common case, so we do it inline. \ + * We need to clear cexc bits if any. \ + */ \ + extern unsigned long long ___Q_zero; \ + __asm__ __volatile__("ldd [%0], %%f30\n\t" \ + "faddd %%f30, %%f30, %%f30" \ + : : "r" (&___Q_zero) : "f30"); \ + } \ + else \ + ___Q_simulate_exceptions (_fex); \ +} while (0) |