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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-08-25 17:00:23 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-08-25 17:00:23 +0000 |
| commit | 379a087cc7175532ff0c24c60069da5eec596879 (patch) | |
| tree | d6a309f36a7d1f87170d913355654f10b52a36d7 /lib | |
| parent | b157e70a681401893b3b78fe3ec5329c425bf7dd (diff) | |
Provide dynamic_stackalloc lowering for MSP430.
This fixes PR4769
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80001 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/MSP430/MSP430ISelLowering.cpp | 2 | ||||
| -rw-r--r-- | lib/Target/MSP430/MSP430RegisterInfo.cpp | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp index ec19c38e0d..3e6169e514 100644 --- a/lib/Target/MSP430/MSP430ISelLowering.cpp +++ b/lib/Target/MSP430/MSP430ISelLowering.cpp @@ -95,6 +95,8 @@ MSP430TargetLowering::MSP430TargetLowering(MSP430TargetMachine &tm) : setOperationAction(ISD::SELECT_CC, MVT::i8, Custom); setOperationAction(ISD::SELECT_CC, MVT::i16, Custom); setOperationAction(ISD::SIGN_EXTEND, MVT::i16, Custom); + setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i8, Expand); + setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i16, Expand); setOperationAction(ISD::CTTZ, MVT::i8, Expand); setOperationAction(ISD::CTTZ, MVT::i16, Expand); diff --git a/lib/Target/MSP430/MSP430RegisterInfo.cpp b/lib/Target/MSP430/MSP430RegisterInfo.cpp index d1401f5d72..72994eb129 100644 --- a/lib/Target/MSP430/MSP430RegisterInfo.cpp +++ b/lib/Target/MSP430/MSP430RegisterInfo.cpp @@ -328,7 +328,16 @@ void MSP430RegisterInfo::emitEpilogue(MachineFunction &MF, // mergeSPUpdatesUp(MBB, MBBI, StackPtr, &NumBytes); if (MFI->hasVarSizedObjects()) { - llvm_unreachable("Not implemented yet!"); + BuildMI(MBB, MBBI, DL, + TII.get(MSP430::MOV16rr), MSP430::SPW).addReg(MSP430::FPW); + if (CSSize) { + MachineInstr *MI = + BuildMI(MBB, MBBI, DL, + TII.get(MSP430::SUB16ri), MSP430::SPW) + .addReg(MSP430::SPW).addImm(CSSize); + // The SRW implicit def is dead. + MI->getOperand(3).setIsDead(); + } } else { // adjust stack pointer back: SPW += numbytes if (NumBytes) { |