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6 lines
163 B
6 lines
163 B
require_extension('B');
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reg_t a = zext32(RS1), b = zext32(RS2), x = 0;
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for (int i = 0; i < 32; i++)
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if ((b >> i) & 1)
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x ^= a >> (31-i);
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WRITE_RD(sext32(x));
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