diff options
| -rw-r--r-- | libgcc/soft-fp/extendhfxf2.c | 53 | ||||
| -rw-r--r-- | libgcc/soft-fp/truncxfhf2.c | 52 |
2 files changed, 105 insertions, 0 deletions
diff --git a/libgcc/soft-fp/extendhfxf2.c b/libgcc/soft-fp/extendhfxf2.c new file mode 100644 index 0000000..1cb5fef --- /dev/null +++ b/libgcc/soft-fp/extendhfxf2.c @@ -0,0 +1,53 @@ +/* Software floating-point emulation. + Return an IEEE half converted to IEEE extended. + Copyright (C) 2021 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/>. */ + +#define FP_NO_EXACT_UNDERFLOW +#include "soft-fp.h" +#include "half.h" +#include "extended.h" + +XFtype +__extendhfxf2 (HFtype a) +{ + FP_DECL_EX; + FP_DECL_H (A); + FP_DECL_E (R); + XFtype r; + + FP_INIT_EXCEPTIONS; + FP_UNPACK_RAW_H (A, a); +#if _FP_W_TYPE_SIZE < 64 + FP_EXTEND (E, H, 4, 1, R, A); +#else + FP_EXTEND (E, H, 2, 1, R, A); +#endif + FP_PACK_RAW_E (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/libgcc/soft-fp/truncxfhf2.c b/libgcc/soft-fp/truncxfhf2.c new file mode 100644 index 0000000..688ad24 --- /dev/null +++ b/libgcc/soft-fp/truncxfhf2.c @@ -0,0 +1,52 @@ +/* Software floating-point emulation. + Truncate IEEE extended into IEEE half. + Copyright (C) 2021 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 "soft-fp.h" +#include "half.h" +#include "extended.h" + +HFtype +__truncxfhf2 (XFtype a) +{ + FP_DECL_EX; + FP_DECL_E (A); + FP_DECL_H (R); + HFtype r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_E (A, a); +#if _FP_W_TYPE_SIZE < 64 + FP_TRUNC (H, E, 1, 4, R, A); +#else + FP_TRUNC (H, E, 1, 2, R, A); +#endif + FP_PACK_SEMIRAW_H (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} |