?? qp_sqrt.c
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/* Software floating-point emulation. (*c) = sqrtl(*a) Copyright (C) 1997,1999 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#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));}
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