https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117218
--- Comment #1 from Yibo He <yibohe at pku dot edu.cn> --- There is a small mistake in the above comment (code command). Update: $riscv64-unknown-elf-gcc -march=rv64gcv_zvfh -mabi=lp64d -Wno-psabi -static -O 1.c -o a.out && qemu-riscv64 a.out $0 0 0 a4c26086 c84e12fd $riscv64-unknown-elf-gcc -march=rv64gcv_zvfh -mabi=lp64d -Wno-psabi -static -O3 1.c -o a.out && qemu-riscv64 a.out $0 fe98c832 0 a4c26086 c84e12fd