Test of added instructions

riscv64-daiteq-elf-as -o test_h.o ./test_fp_half.s riscv64-daiteq-elf-objdump -S ./test_h.o > test_h.dis

riscv64-daiteq-elf-as -o test_ph.o ./test_fp_ph.s riscv64-daiteq-elf-objdump -S ./test_ph.o > test_ph.dis

riscv64-daiteq-elf-as -o test_ps.o ./test_fp_ps.s riscv64-daiteq-elf-objdump -S ./test_ps.o > test_ps.dis

riscv64-daiteq-elf-as -march=rv64gq -o test_pd.o ./test_fp_pd.s riscv64-daiteq-elf-objdump -S ./test_pd.o > test_pd.dis