[Bug target/43484] [4.5 Regression] GCC 4.5 does not build gamess, zeusmp on powerpc -m32 with loop unrolling

[meissner at gcc dot gnu dot org]

------- Comment #9 from meissner at gcc dot gnu dot org  2010-03-24 18:00 -------
Created an attachment (id=20187)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20187&action=view)
Patch to swap registers if first register is r0 in multi-word moves.

This patch fixes the problem in building the spec 2006 benchmarks zeusmp and
gamess on the powerpc that was introduced in the 2010-03-17 change to rs6000.c.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43484