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      1   1.1  mrg /*
      2  1.10  mrg  * Copyright (C) 2012-2022 Free Software Foundation, Inc.
      3   1.1  mrg  *
      4   1.1  mrg  * This file is free software; you can redistribute it and/or modify it
      5   1.1  mrg  * under the terms of the GNU General Public License as published by the
      6   1.1  mrg  * Free Software Foundation; either version 3, or (at your option) any
      7   1.1  mrg  * later version.
      8   1.1  mrg  *
      9   1.1  mrg  * This file is distributed in the hope that it will be useful, but
     10   1.1  mrg  * WITHOUT ANY WARRANTY; without even the implied warranty of
     11   1.1  mrg  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12   1.1  mrg  * General Public License for more details.
     13   1.1  mrg  *
     14   1.1  mrg  * Under Section 7 of GPL version 3, you are granted additional
     15   1.1  mrg  * permissions described in the GCC Runtime Library Exception, version
     16   1.1  mrg  * 3.1, as published by the Free Software Foundation.
     17   1.1  mrg  *
     18   1.1  mrg  * You should have received a copy of the GNU General Public License and
     19   1.1  mrg  * a copy of the GCC Runtime Library Exception along with this program;
     20   1.1  mrg  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     21   1.1  mrg  * <http://www.gnu.org/licenses/>.
     22   1.1  mrg  */
     23   1.1  mrg 
     24   1.1  mrg #include "sfp-machine.h"
     25   1.1  mrg 
     26   1.1  mrg void
     27   1.1  mrg __sfp_handle_exceptions (int _fex)
     28   1.1  mrg {
     29   1.1  mrg   double d;
     30   1.1  mrg 
     31   1.1  mrg   if (_fex & FP_EX_INVALID)
     32   1.1  mrg     {
     33   1.1  mrg       asm volatile ("frcpa.s0 %0, p1 = f0, f0" : "=f" (d) : : "p1");
     34   1.1  mrg     }
     35   1.1  mrg   if (_fex & FP_EX_DIVZERO)
     36   1.1  mrg     {
     37   1.1  mrg       asm volatile ("frcpa.s0 %0, p1 = f1, f0" : "=f" (d) : : "p1");
     38   1.1  mrg     }
     39   1.1  mrg   if (_fex & FP_EX_OVERFLOW)
     40   1.1  mrg     {
     41   1.1  mrg       d = __DBL_MAX__;
     42   1.1  mrg       asm volatile ("fadd.d.s0 %0 = %0, %0" : "+f" (d));
     43   1.1  mrg     }
     44   1.1  mrg   if (_fex & FP_EX_UNDERFLOW)
     45   1.1  mrg     {
     46   1.1  mrg       d = __DBL_MIN__;
     47   1.1  mrg       asm volatile ("fnma.d.s0 %0 = %0, %0, f0" : "+f" (d));
     48   1.1  mrg     }
     49   1.1  mrg   if (_fex & FP_EX_INEXACT)
     50   1.1  mrg     {
     51   1.1  mrg       d = __DBL_MAX__;
     52   1.1  mrg       asm volatile ("fsub.d.s0 %0 = %0, f1" : "+f" (d));
     53   1.1  mrg     }
     54   1.1  mrg }
     55