[Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 in floating-point code with computed gotos

lucier at math dot purdue dot edu gcc-bugzilla@gcc.gnu.org
Sun Oct 28 15:42:00 GMT 2007



------- Comment #4 from lucier at math dot purdue dot edu  2007-10-28 15:42 -------
Created an attachment (id=14424)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14424&action=view)
assembly from 4.3.0

I had to remove the "static" from the declaration of direct-fft-recursive to
get assembly.  (In the larger file the address of direct-fft-recursive is
eventually put into an array.)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928



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