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17 lines
296 B
C
17 lines
296 B
C
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#include <l4/macros.h>
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#include <l4/types.h>
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#include <l4/config.h>
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/* Emulation of CLZ (count leading zeroes) instruction */
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unsigned int __clz(unsigned int bitvector)
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{
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unsigned int x = 0;
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while((!(bitvector & ((unsigned)1 << 31))) && (x < 32)) {
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bitvector <<= 1;
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x++;
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}
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return x;
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}
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