diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/qp_qtos.c')
-rw-r--r-- | sysdeps/sparc/sparc64/qp_qtos.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/qp_qtos.c b/sysdeps/sparc/sparc64/qp_qtos.c new file mode 100644 index 0000000000..f78e15aca3 --- /dev/null +++ b/sysdeps/sparc/sparc64/qp_qtos.c @@ -0,0 +1,49 @@ +/* Software floating-point emulation. + Return (float)(*a) + Copyright (C) 1997-2018 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 _Qp_qtos(const long double *a) +{ + FP_DECL_EX; + FP_DECL_Q(A); + FP_DECL_S(R); + float r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_QP(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); + + QP_HANDLE_EXCEPTIONS(__asm ( +" ldd [%1], %%f52\n" +" ldd [%1+8], %%f54\n" +" fqtos %%f52, %0\n" +" " : "=&f" (r) : "r" (a) : QP_CLOBBER)); + + return r; +} |