[Bug middle-end/33970] Missed optimization using unsigned char loop variable

[eweddington at cso dot atmel dot com]

------- Comment #4 from eweddington at cso dot atmel dot com  2007-11-01 17:45 -------
Created an attachment (id=14455)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14455&action=view)
Assembly output  of test case using 4.1.2.

Maybe I'm wrong, but I don't even see it being promoted on the AVR. See
attached assembly output from 4.1.2 with -dP.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33970