1  /*  PR target/12749
       2    Orgin: Matt Thomas <matt@3am-software.com>
       3    This used to cause GCC to write out an instruction for i386 when using a L64 host
       4    which gas could not handle because GCC would write a full 64bit hex string out. */
       5  
       6  
       7  float fabsf (float);
       8  typedef int __int32_t;
       9  typedef unsigned int __uint32_t;
      10  typedef union
      11  {
      12    float value;
      13    __uint32_t word;
      14  } ieee_float_shape_type;
      15  extern float __ieee754_expf (float);
      16  extern float __ieee754_sinhf (float);
      17  static const float one = 1.0, shuge = 1.0e37;
      18  float
      19  __ieee754_sinhf(float x)
      20  {
      21          float t,w,h;
      22          __int32_t ix,jx;
      23          do { ieee_float_shape_type gf_u; gf_u.value = (x); (jx) = gf_u.word; } while (0);
      24          ix = jx&0x7fffffff;
      25          if(ix>=0x7f800000) return x+x;
      26          h = 0.5;
      27          if (jx<0) h = -h;
      28          if (ix < 0x41b00000) {
      29              if (ix<0x31800000)
      30                  if(shuge+x>one) return x;
      31              t = expm1f(fabsf(x));
      32              if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one));
      33              return h*(t+t/(t+one));
      34          }
      35          if (ix < 0x42b17180) return h*__ieee754_expf(fabsf(x));
      36          if (ix<=0x42b2d4fc) {
      37              w = __ieee754_expf((float)0.5*fabsf(x));
      38              t = h*w;
      39              return t*w;
      40          }
      41          return x*shuge;
      42  }
      43  
      44