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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [compile/] [pr38554.c] - Blame information for rev 414

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Line No. Rev Author Line
1 297 jeremybenn
typedef unsigned long sample;
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struct pam
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{
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  sample maxval;
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};
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typedef sample *tuple;
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enum function
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  {
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    FN_MULTIPLY, FN_DIVIDE, FN_ADD, FN_SUBTRACT, FN_MIN, FN_MAX, FN_AND, FN_OR,
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    FN_XOR, FN_NOT, FN_SHIFTLEFT, FN_SHIFTRIGHT
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  };
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struct cmdlineInfo
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{
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  enum function function;
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  union
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  {
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    float divisor;
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    unsigned int shiftCount;
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  }
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    u;
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};
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applyFunction (struct cmdlineInfo const cmdline, struct pam const inpam,
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               struct pam const outpam, tuple * const inputRow,
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               tuple * const outputRow)
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{
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  float const oneOverDivisor = 1 / cmdline.u.divisor;
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  int col;
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  {
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    int plane;
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    {
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      sample const inSample = inputRow[col][plane];
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      sample outSample;
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      switch (cmdline.function)
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        {
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        case FN_DIVIDE:
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          outSample = ((unsigned int) ((inSample * oneOverDivisor) + 0.5));
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          break;
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        case FN_SHIFTLEFT:
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          outSample = (inSample << cmdline.u.shiftCount) & outpam.maxval;
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        }
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      outputRow[col][plane] =
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        ((outpam.maxval) < (outSample) ? (outpam.maxval) : (outSample));
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    }
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  }
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}

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