diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/qp_sqrt.c')
| -rw-r--r-- | sysdeps/sparc/sparc64/qp_sqrt.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/qp_sqrt.c b/sysdeps/sparc/sparc64/qp_sqrt.c new file mode 100644 index 0000000000..1b986392cb --- /dev/null +++ b/sysdeps/sparc/sparc64/qp_sqrt.c @@ -0,0 +1,41 @@ +/* Software floating-point emulation. + (*c) = sqrtl(*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 "quad.h" + +void _Qp_sqrt(long double *c, const long double *a) +{ + FP_DECL_EX; + FP_DECL_Q(A); FP_DECL_Q(C); + + FP_INIT_ROUNDMODE; + FP_UNPACK_QP(A, a); + FP_SQRT_Q(C, A); + FP_PACK_QP(c, C); + QP_HANDLE_EXCEPTIONS(__asm ( +" ldd [%1], %%f52\n" +" ldd [%1+8], %%f54\n" +" fsqrtq %%f52, %%f60\n" +" std %%f60, [%0]\n" +" std %%f62, [%0+8]\n" +" " : : "r" (c), "r" (a) : QP_CLOBBER)); +} |