# fast, but small (-Os + some from O2/O3)

USE="-vtv nopie nossp -pie -ssp"

_FLAGS="$_FLAGS -O2 -Os -fconserve-stack --param=max-grow-copy-bb-insns=1"
#_FLAGS="$_FLAGS -fno-omit-frame-pointer"
# O2
# _FLAGS="$_FLAGS -fschedule-insns2 -finline-small-functions -findirect-inlining"
# O3
_FLAGS="$_FLAGS -fgcse-after-reload -fpredictive-commoning -ftree-loop-distribute-patterns -funswitch-loops -ftree-vectorize"
# O3 4.8
_FLAGS="$_FLAGS -fvect-cost-model -ftree-partial-pre"
# 4.9
#_FLAGS="$_FLAGS -fno-var-tracking-assignments"