if (xlen == 32) {
require_extension('F');
require_fp;
- MMU.store_uint32(RVC_SP + insn.rvc_swsp_imm(), RVC_FRS2);
+ MMU.store_uint32(RVC_SP + insn.rvc_swsp_imm(), RVC_FRS2.v);
} else { // c.sdsp
MMU.store_uint64(RVC_SP + insn.rvc_sdsp_imm(), RVC_RS2);
}