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require_extension('C'); if (xlen == 32) { require_extension('F'); require_fp; WRITE_FRD(MMU.load_int32(RVC_SP + insn.rvc_lwsp_imm())); } else { // c.ldsp require(insn.rvc_rd() != 0); WRITE_RD(MMU.load_int64(RVC_SP + insn.rvc_ldsp_imm())); }