[Bug target/50281] result registers are overwritten giving incorrect result

[NickParker at Eaton dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50281

--- Comment #8 from NickParker at Eaton dot com 2011-09-03 04:46:45 UTC ---
Please ignore the r10/r20 guff I was experimenting. I later realised the
muls3s3u3 code gives the right answer, the problem occurs later on somehow the
registers where the results are are getting walked on. 
Nick.