Sat Apr 18 01:22:53 PDT 2009 [email protected]
* Fix #3170: Allow coalescing of the same node during register allocation.
Ignore-this: b3a14959d7616fd53c3334a4f0b30f48
The x86 code generator sometimes generates nop moves like
movl %vI_a %vI_a, but we'll just ignore them for coalescing
purposes instead of emitting an error. It shouldn't hurt anything.
M ./compiler/utils/GraphOps.hs -3 +3
View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090418082253-43c66-44fb2cd6210457fa3f100a63be5a480e985d1474.gz
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