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 __ieee754_sinhf(float x)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 45