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3 Commits

Author SHA1 Message Date
Richard Sandiford
b3cabb44c3 [SystemZ] Use zeroing form of RISBG for some AND sequences 
RISBG can handle some ANDs for which no AND IMMEDIATE exists.
It also acts as a three-operand AND for some cases where an
AND IMMEDIATE could be used instead.

It might be worth adding a pass to replace RISBG with AND IMMEDIATE
in cases where the register operands end up being the same and where
AND IMMEDIATE is smaller.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186072 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-11 08:59:12 +00:00
Richard Sandiford
af2a1bebfc [SystemZ] Tighten branch tests 
After r182274, the branches in these tests must always be short.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182358 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-21 08:53:17 +00:00
Ulrich Weigand
b503b49b51 [SystemZ] Add CodeGen test cases 
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-06 16:17:29 +00:00