/* Software floating-point emulation. Return 1 if (*a) == (*b) 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" int _Qp_feq(const long double *a, const long double *b) { FP_DECL_EX; FP_DECL_Q(A); FP_DECL_Q(B); int r; FP_INIT_ROUNDMODE; FP_UNPACK_RAW_QP(A, a); FP_UNPACK_RAW_QP(B, b); FP_CMP_EQ_Q(r, A, B, 1); QP_HANDLE_EXCEPTIONS( __asm ( " ldd [%0], %%f52\n" " ldd [%0+8], %%f54\n" " ldd [%1], %%f56\n" " ldd [%1+8], %%f58\n" " fcmpq %%fcc3, %%f52, %%f56\n" " " : : "r" (a), "r" (b) : QP_CLOBBER_CC); _FPU_GETCW(_fcw); r = ((_fcw >> 36) & 3)); return !r; }