| /* PR target/12749 |
| Orgin: Matt Thomas <matt@3am-software.com> |
| This used to cause GCC to write out an instruction for i386 when using a L64 host |
| which gas could not handle because GCC would write a full 64bit hex string out. */ |
| |
| |
| float fabsf (float); |
| typedef int __int32_t; |
| typedef unsigned int __uint32_t; |
| typedef union |
| { |
| float value; |
| __uint32_t word; |
| } ieee_float_shape_type; |
| extern float __ieee754_expf (float); |
| extern float __ieee754_sinhf (float); |
| static const float one = 1.0, shuge = 1.0e37; |
| float |
| __ieee754_sinhf(float x) |
| { |
| float t,w,h; |
| __int32_t ix,jx; |
| do { ieee_float_shape_type gf_u; gf_u.value = (x); (jx) = gf_u.word; } while (0); |
| ix = jx&0x7fffffff; |
| if(ix>=0x7f800000) return x+x; |
| h = 0.5; |
| if (jx<0) h = -h; |
| if (ix < 0x41b00000) { |
| if (ix<0x31800000) |
| if(shuge+x>one) return x; |
| t = expm1f(fabsf(x)); |
| if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one)); |
| return h*(t+t/(t+one)); |
| } |
| if (ix < 0x42b17180) return h*__ieee754_expf(fabsf(x)); |
| if (ix<=0x42b2d4fc) { |
| w = __ieee754_expf((float)0.5*fabsf(x)); |
| t = h*w; |
| return t*w; |
| } |
| return x*shuge; |
| } |
| |
| |