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Rev | Author | Line No. | Line |
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4349 | Serge | 1 | /* |
2 | * ==================================================== |
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3 | * x87 FP implementation contributed to Newlib by |
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4 | * Dave Korn, November 2007. This file is placed in the |
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5 | * public domain. Permission to use, copy, modify, and |
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6 | * distribute this software is freely granted. |
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7 | * ==================================================== |
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8 | */ |
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9 | |||
10 | #ifdef __GNUC__ |
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11 | #if !defined(_SOFT_FLOAT) |
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12 | |||
13 | #include |
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14 | |||
15 | /* |
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16 | * Fast math version of llrintf(x) |
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17 | * Return x rounded to integral value according to the prevailing |
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18 | * rounding mode. |
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19 | * Method: |
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20 | * Using inline x87 asms. |
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21 | * Exception: |
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22 | * Governed by x87 FPCR. |
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23 | */ |
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24 | |||
25 | long long int _f_llrintf (float x) |
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26 | { |
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27 | long long int _result; |
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28 | asm ("fistpll %0" : "=m" (_result) : "t" (x) : "st"); |
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29 | return _result; |
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30 | } |
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31 | |||
32 | #endif /* !_SOFT_FLOAT */ |
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33 | #endif /* __GNUC__ */ |