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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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Rev 298 |
Rev 338 |
/* { dg-options "-O1 -ffast-math -floop-interchange" } */
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/* { dg-options "-O1 -ffast-math -floop-interchange" } */
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int adler32(int adler, char *buf, int n)
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int adler32(int adler, char *buf, int n)
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{
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{
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int sum = 0;
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int sum = 0;
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do {
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do {
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adler += buf[0];
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adler += buf[0];
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sum += adler;
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sum += adler;
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adler += buf[1];
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adler += buf[1];
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sum += adler;
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sum += adler;
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adler += buf[2];
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adler += buf[2];
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sum += adler;
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sum += adler;
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adler += buf[3];
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adler += buf[3];
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sum += adler;
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sum += adler;
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} while (--n);
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} while (--n);
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return adler | (sum << 16);
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return adler | (sum << 16);
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}
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}
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