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205 Commits

Author SHA1 Message Date
Akira Hatanaka 33c060480d Remove unused variables. 
llvm-svn: 178405
 2013-03-30 01:46:28 +00:00
Akira Hatanaka 9efcd76c2c [mips] Move the code which does dag-combine for multiply-add/sub nodes to 
derived class MipsSETargetLowering.

We shouldn't be generating madd/msub nodes if target is Mips16, since Mips16
doesn't have support for multipy-add/sub instructions.

llvm-svn: 178404
 2013-03-30 01:42:24 +00:00
Akira Hatanaka be8612f6f4 [mips] Fix definitions of multiply, multiply-add/sub and divide instructions. 
The new instructions have explicit register output operands and use table-gen
patterns instead of C++ code to do instruction selection.

Mips16's instructions are unaffected by this change.

llvm-svn: 178403
 2013-03-30 01:36:35 +00:00
Akira Hatanaka 44ebe00158 [mips] Fix filename in comment and delete unnecessary lines of code. 
No functionality changes.

llvm-svn: 177104
 2013-03-14 19:09:52 +00:00
Akira Hatanaka 96ca182904 [mips] Define two subclasses of MipsTargetLowering. Mips16TargetLowering is for 
mips16 and MipsSETargetLowering is for mips32/64. 

No functionality changes.

llvm-svn: 176917
 2013-03-13 00:54:29 +00:00