/* Software floating-point emulation. (*c) = sqrtl(*a) Copyright (C) 1997-2016 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 . */ #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)); }