17 lines
476 B
C
17 lines
476 B
C
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#include <stdio.h>
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#include <stdint.h>
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inline static uint64_t takeBitfield(uint64_t v, int high, int low) {
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return (v >> low) & ((1 << (high - low + 1)) - 1);
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}
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int main() {
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uint64_t val = 0x400CD696E37AE;
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printf("val = %lX\n", val);
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printf("val[21:5] = %lX\n", takeBitfield(val, 21, 5));
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printf("val[33:12] = %lX\n", takeBitfield(val, 33, 12));
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printf("val[21:5] = %lX\n", takeBitfield(val, 21, 5));
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printf("val[21:5] = %lX\n", takeBitfield(val, 21, 5));
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}
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