To get maximum optimization, use:
cc +Oall Performs maximum optimization. |
Use +Oall
with stable, well-structured, ANSI-conforming code. These types
of optimizations give you the fastest code, but are riskier
than the default optimizations.
You can use +Oall
at optimization levels 2, 3, and 4. The default is +Onoall.
The +Oall
option by itself (specified without the +02, +03,
or +04 options)
combines the +O4 +Oaggressive +Onolimit
options. This combination performs aggressive optimizations with
unrestricted compile time at the highest level of optimization.
