view Lib/fftw-3.2.1/simd/mips_ps.c @ 1:e86e9c111b29

Updates stuff that potentially fixes the memory leak and also makes it work on Windows and Linux (Need to test). Still have to fix fftw include for linux in Jucer.

/*
 * Copyright (c) 2007 Codesourcery
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "ifftw.h"
#include "simd.h"

#if HAVE_MIPS_PS

#define PS_SUPPORTED   (1<<18)
#define S_SUPPORTED    (1<<16)

/* In theory, MIPS processors supporting paired-single instructions
   should set the PS_SUPPORTED bit.  However, the Broadcom 1480 SB-1
   does not do this. 

   Instead, check that at least single-precision is supported.
*/
#define MASK           S_SUPPORTED

int RIGHT_CPU()
{
     unsigned long fir;  /* Floating point implementation reg */

     __asm__("cfc1 %0,$0" : "=r"(fir) );

     return (fir & MASK);
}

#endif