[Bug target/16800] PowerPC - Unnecessary rldicl

[amodra at bigpond dot net dot au]

------- Additional Comments From amodra at bigpond dot net dot au  2004-11-24 09:40 -------
Of course, fixing the odd rtx_cost for the (const_int 0) inside an EQ doesn't
help this particular bug.  More or less the same happens:

rejecting combination of insns 21 and 22
original costs 4 + 4 = 8
replacement cost 12

It's the 12 counted for EQ that's the problem.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16800