44 lines
930 B
C
44 lines
930 B
C
/* PR debug/65779 */
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/* { dg-do assemble } */
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/* { dg-options "-O2 -fcompare-debug" } */
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/* { dg-xfail-if "" { powerpc-ibm-aix* } { "*" } { "" } } */
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unsigned long
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foo (unsigned long x, unsigned char *y, unsigned int z)
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{
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unsigned long a = x & 0xffff;
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unsigned long b = (x >> 16) & 0xffff;
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int k;
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if (y == 0) return 1L;
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while (z > 0)
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{
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k = z < 5552 ? z : 5552;
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z -= k;
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while (k >= 16)
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{
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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a += *y++; b += a;
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k -= 16;
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}
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if (k != 0)
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do { a += *y++; b += a; } while (--k);
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a %= 65521L;
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b %= 65521L;
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}
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return (b << 16) | a;
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}
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