[Bug tree-optimization/21596] [4.0/4.1/4.2/4.3 Regression] extra temporaries when using global register variables

[amacleod at redhat dot com]

------- Comment #9 from amacleod at redhat dot com  2007-03-06 15:01 -------
actually, mainline isn't working either.  A closer examination shows the code
generated has an extra offset of -4 in the compare that shouldn't be there.
This patch triggers a bug in rtl's fwprop pass. 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21596