old-autovect-branch/gcc/testsuite/gcc.c-torture/compile/20031220-2.c

   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