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* [SystemZ] Add CodeGen support for scalar f64 ops in vector registersUlrich Weigand2015-05-051-0/+60
| | | | | | | | | | | | The z13 vector facility includes some instructions that operate only on the high f64 in a v2f64, effectively extending the FP register set from 16 to 32 registers. It's still better to use the old instructions if the operands happen to fit though, since the older instructions have a shorter encoding. Based on a patch by Richard Sandiford. llvm-svn: 236524
* [SystemZ] Add CodeGen support for v2f64Ulrich Weigand2015-05-051-0/+58
This adds ABI and CodeGen support for the v2f64 type, which is natively supported by z13 instructions. Based on a patch by Richard Sandiford. llvm-svn: 236522
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