> Anyone have any idea why one cant use hardware
> counter profiling on non-optimized stuff?

It does not require -xO3. It requires -xOn for any acceptable value of n.

The no-optimization mode and the optimization modes are implemented 
with the different codegenerators.  The simple one and the smart one.
So -xhwcprof is implemented only in the smart one.

Why do you want to use -xhwcprof for no optimization?
 
 
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