[patch] Add TST to RX

DJ Delorie dj@redhat.com
Wed Jul 14 16:23:00 GMT 2010


> This seems wrong.  It should be (if_then_else (ne (zero_extract:SI 
> ...))).  If that one is not generated by combine (likely because ne is 
> removed somewhere?) that should be fixed.
> 
> This pattern may well be the reason why canonicalize_condition is called 
> with a non-comparison RTL.

It is caused by combine.  I put a debug_rtx() after
recog_for_combine() to see what gcc is expecting, and that's the
pattern it's looking for.

Feel free to figure *that* one out too :-)



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