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* [mips] Fix DSP instructions to have explicit accumulator register operands.Akira Hatanaka2013-03-30
| | | | | | | | Check that instruction selection can select multiply-add/sub DSP instructions from a pattern that doesn't have intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178406 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Move the code which does dag-combine for multiply-add/sub nodes toAkira Hatanaka2013-03-30
| | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178404 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary checking of register operands.Akira Hatanaka2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140872 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test cases.Akira Hatanaka2011-09-09
| | | | | | | Generate code for Mips32r1 unless a Mips32r2 feature is tested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139433 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for mips32 madd and msub instructions. Patch by Akira HatanakaBruno Cardoso Lopes2011-01-18
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123760 91177308-0d34-0410-b5e6-96231b3b80d8