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