/* The definition for the sequential model. */ function clause execute (RISCV_JALR(imm, rs1, rd)) = { /* For the sequential model, the memory-model definition doesn't work directly if rs1 = rd. We would effectively have to keep a regfile for reads and another for writes, and swap on instruction completion. This could perhaps be optimized in some manner, but for now, we just keep a reordered definition to improve simulator performance. */ let newPC : xlenbits = X(rs1) + EXTS(imm); X(rd) = nextPC; nextPC = newPC[63..1] @ 0b0; true }