Loop optimizer issues

David Edelsohn dje@watson.ibm.com
Tue Aug 26 03:53:00 GMT 2003


>>>>> Andrew Pinski writes:

Andrew> David was not taking about the aliasing bug fixes but rather the loop unroll 
Andrew> does not work for PPC with most loops as it really does not understand the 
Andrew> doloop optimizations which benfit the PPC greatly.

	The issues are not PowerPC-specific.  The new RTL loop
optimization infrastructure is not a win on many architectures.

David



More information about the Gcc mailing list