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* Some dummy cost model for s390x:Anton Korobeynikov2009-08-221-3/+9
| | | | | | | | | - Prefer short-imm instructions over ext-imm, when possible - Prefer Z10 instructions over Z9, when possible This hopefully should fix some dejagnu test fails on solaris git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79741 91177308-0d34-0410-b5e6-96231b3b80d8
* Add instruction formats and few opcodesAnton Korobeynikov2009-07-161-493/+86
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76062 91177308-0d34-0410-b5e6-96231b3b80d8
* Let's start another backend :)Anton Korobeynikov2009-07-161-0/+534
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75909 91177308-0d34-0410-b5e6-96231b3b80d8