other RISC-V floating-point convert instructions, a nonzero value when

0000000 rs2 rs1 funct3 rd opcode R4-type imm[11:0] rs1 100 rd 0000111 FLW imm[11:5] rs2 rs1 010 rd 1010011 FCVT.Q.W 1101011 00001 rs1 rm rd 1010011 FLE.S 1110000 00000

ghoulishness