gcc -o chargen -march=barcelona -std=c99 -pedantic -Wall -Wextra -Wformat=2 -Winit-self -O3 -Wstrict-aliasing=1 -Wstrict-overflow=5 -Wfloat-equal -Wshadow -Wunsafe-loop-optimizations -Wbad-function-cast -Wc++-compat -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Wlogical-op -Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wmissing-format-attribute -Wpadded -Wredundant-decls -Wnested-externs -Winline -Wno-long-long -Wdisabled-optimization -Wstack-protector -fmerge-all-constants -fwhole-program char_gen.c
# -Wtrampolines -flto