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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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Rev 298 |
Rev 338 |
/* { dg-options "-Os -fgraphite-identity" } */
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/* { dg-options "-Os -fgraphite-identity" } */
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static void b2w(unsigned int *out, const unsigned char *in, unsigned int len)
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static void b2w(unsigned int *out, const unsigned char *in, unsigned int len)
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{
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{
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const unsigned char *bpend = in + len;
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const unsigned char *bpend = in + len;
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for (; in != bpend; in += 4, ++out)
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for (; in != bpend; in += 4, ++out)
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{
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{
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*out = (unsigned int) (in[0] ) |
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*out = (unsigned int) (in[0] ) |
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(unsigned int) (in[3] << 24);
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(unsigned int) (in[3] << 24);
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}
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}
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}
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}
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static void md4step(unsigned int state[4], const unsigned char *data)
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static void md4step(unsigned int state[4], const unsigned char *data)
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{
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{
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unsigned int A, X[16];
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unsigned int A, X[16];
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b2w(X, data, 64);
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b2w(X, data, 64);
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state[0] += A;
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state[0] += A;
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}
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}
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void md4sum(void)
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void md4sum(void)
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{
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{
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unsigned char final[128];
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unsigned char final[128];
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unsigned int state[4];
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unsigned int state[4];
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md4step(state, final);
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md4step(state, final);
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md4step(state, final + 64);
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md4step(state, final + 64);
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}
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}
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