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1 | int sub_test(int a1, int a2) |
2 | { |
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3 | union { u32 d[8]; u16 w[16]; u8 b[32]; double q[4]; } sf; |
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4 | u32 eax; |
5 | u32 edx; |
6 | double f_st0; |
7 | double f_st1; |
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8 | u16 f_sw; |
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9 | double fs_1; |
10 | double fs_3; |
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11 | u32 cond_z; |
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12 | |
13 | f_st0 = (double)(s32)sf.d[0]; // var_20 fild |
14 | f_st0 /= (double)(s32)a1; // arg_0 |
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15 | f_st0 *= sf.q[1]; // var_18 |
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16 | f_st1 = f_st0; f_st0 = (double)(s32)sf.d[0]; // var_20 fild |
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17 | f_st1 /= f_st0; |
18 | f_st0 = f_st1 + f_st0; |
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19 | f_st1 = f_st0; f_st0 = sf.q[1]; // var_18 fld |
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20 | fs_3 = f_st0; f_st0 = f_st1; // fst |
21 | fs_1 = f_st0; // fst |
22 | f_st0 = pow(fs_1, fs_3); |
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23 | f_sw = f_st0 <= sf.q[1] ? 0x4100 : 0; // var_18 z_chk_det |
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24 | eax = 0; |
25 | LOWORD(eax) = f_sw; |
26 | cond_z = ((u8)((u8)(eax >> 8) & 0x41) == 0); |
27 | eax = 0; |
28 | LOBYTE(eax) = (cond_z); |
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29 | f_st1 = f_st0; f_st0 = 1.0; |
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30 | f_st0 = sf.q[1] / f_st0; // var_18 |
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31 | { double t = f_st0; f_st0 = f_st1; f_st1 = t; } // fxch |
32 | f_st0 = -f_st0; |
33 | f_st0 = f_st1; |
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34 | f_st1 = f_st0; // fld st |
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35 | f_st0 = f_st1 * log2(f_st0); // fyl2x |
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36 | f_st1 = f_st0; // fld st |
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37 | sf.d[0] = (s32)f_st0; f_st0 = f_st1; // var_20 fist |
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38 | sf.q[1] = f_st0; // var_18 fst |
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39 | eax = (s32)f_st0; // ftol |
40 | return eax; |
41 | } |
42 | |