opt_common='-alias=ansi -Mdse -Mlre -Mpre'
_cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
_cflags_size="-O2 -Munroll=c:1 $opt_common"
- _cflags_noopt="-O1"
+ _cflags_noopt="-O"
_flags_filter=pgi_flags
elif $_cc 2>&1 | grep -q Microsoft; then
_type=msvc