FDO regression in Skidmarks component ParserVid

[Jim Wilson]

Peter Steinmetz wrote:
Here is an example of a performance regression when using FDO.
You might consider submitting a bug report into our bugzilla database. 
Sending a messge to the gcc list doesn't actually accomplish much, as we 
don't track problems reported here.

gcc -O2 -fprofile-use -funroll-loops -m32 -c parse.i
You could try various alternatives such as -fold-unroll-loops, 
-funroll-all-loops, -fold-unroll-all-loops.  The old unroller still 
gives better results for some programs.
--
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com