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5 lines
171 B
5 lines
171 B
require_either_extension('M', EXT_ZMMUL);
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if (xlen == 64)
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WRITE_RD(mulhu(RS1, RS2));
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else
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WRITE_RD(sext32(((uint64_t)(uint32_t)RS1 * (uint64_t)(uint32_t)RS2) >> 32));
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