[linux-audio-dev] [ANN] swh plugins release

[Takashi Iwai]

At Wed, 3 Dec 2003 11:18:42 +0000,
Steve Harris wrote:
> 
> On Wed, Dec 03, 2003 at 10:41:05 +0000, Mike Rawes wrote:
> > -O2 will include the -fstrict-aliasing flag for gcc, so it's turned on here.
> > I've no idea what -O6 does (intel compiler, pgcc?). -O3 is the highest in the
> > gcc documentation.
> 
> -O6 is historical, I just keep it in cos it doesnt hurt. Interesting that
> -O2 turns on strict aliasing... that changes the semantics of ANSI C,
> though I've a feeling that C99 might specify strict aliasing.

as far as i understand, there is no strict definition of behavior
about type punning.  with GCC, you can use a union as a workaround (as
found in info), but it's not sure to work with other compilers...


Takashi