Spike, a RISC-V ISA Simulator
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8 lines
164 B

require_extension('M');
require_rv64;
sreg_t lhs = sext32(RS1);
sreg_t rhs = sext32(RS2);
if (rhs == 0)
WRITE_RD(UINT64_MAX);
else
WRITE_RD(sext32(lhs / rhs));