Optimization flags for target X???

[Jonathan Larmour]

Steve deRosier wrote:
> 
> I need to be able to determine exactly which optimizations will happen when
> different -O# options are used.  The docs seem to tell which ones are turned
> on usually, but I need to be able to figure out precisely which ones are
> turned on for my target for each optimization level.  This info must be
> somewhere in the gcc source, but I haven't been able to figure out where yet
> (awful lot of source to go at this blind...). Could someone point me in the
> right direction?

Have a look at the thread starting here:
http://gcc.gnu.org/ml/gcc/2001-01/msg01838.html

Jifl
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