Spike, a RISC-V ISA Simulator
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6 lines
131 B

require_rv64;
P_RD_RS1_RS2_ULOOP(32,32,32, {
reg_t mres = zext(p_rs1,64) * zext(p_rs2,64);
p_rd = ((mres >> 31) + 1) >> 1;
}
)