| /* |
| * Copyright (C) 2012-2021 Free Software Foundation, Inc. |
| * |
| * This file is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 3, or (at your option) any |
| * later version. |
| * |
| * This file 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 |
| * General Public License for more details. |
| * |
| * Under Section 7 of GPL version 3, you are granted additional |
| * permissions described in the GCC Runtime Library Exception, version |
| * 3.1, as published by the Free Software Foundation. |
| * |
| * You should have received a copy of the GNU General Public License and |
| * a copy of the GCC Runtime Library Exception along with this program; |
| * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| * <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "sfp-machine.h" |
| |
| void |
| __sfp_handle_exceptions (int _fex) |
| { |
| double d; |
| |
| if (_fex & FP_EX_INVALID) |
| { |
| asm volatile ("frcpa.s0 %0, p1 = f0, f0" : "=f" (d) : : "p1"); |
| } |
| if (_fex & FP_EX_DIVZERO) |
| { |
| asm volatile ("frcpa.s0 %0, p1 = f1, f0" : "=f" (d) : : "p1"); |
| } |
| if (_fex & FP_EX_OVERFLOW) |
| { |
| d = __DBL_MAX__; |
| asm volatile ("fadd.d.s0 %0 = %0, %0" : "+f" (d)); |
| } |
| if (_fex & FP_EX_UNDERFLOW) |
| { |
| d = __DBL_MIN__; |
| asm volatile ("fnma.d.s0 %0 = %0, %0, f0" : "+f" (d)); |
| } |
| if (_fex & FP_EX_INEXACT) |
| { |
| d = __DBL_MAX__; |
| asm volatile ("fsub.d.s0 %0 = %0, f1" : "+f" (d)); |
| } |
| } |