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* ARMv7M vs. ARMv7E-M support.Jim Grosbach2011-07-011-2/+5
| | | | | | | | | | | | | | | | The DSP instructions in the Thumb2 instruction set are an optional extension in the Cortex-M* archtitecture. When present, the implementation is considered an "ARMv7E-M implementation," and when not, an "ARMv7-M implementation." Add a subtarget feature hook for the v7e-m instructions and hook it up. The cortex-m3 cpu is an example of a v7m implementation, while the cortex-m4 is a v7e-m implementation. rdar://9572992 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134261 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate more uses of llvm-as and llvm-dis.Dan Gohman2009-09-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Thumb2 function call isel. Thumb1 and Thumb2 should share the sameEvan Cheng2009-08-011-1/+1
| | | | | | | | | | instructions for calls since BL and BLX are always 32-bit long and BX is always 16-bit long. Also, we should be using BLX to call external function stubs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77756 91177308-0d34-0410-b5e6-96231b3b80d8
* Use common code for both ARM and Thumb-2 instruction and register info.David Goodwin2009-07-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75067 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some more Thumb2 multiplication instructions.Evan Cheng2009-07-071-0/+20
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74889 91177308-0d34-0410-b5e6-96231b3b80d8
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