Changes in directory llvm/lib/Target/ARM:
ARMRegisterInfo.cpp updated: 1.23 -> 1.24 --- Log message: add support for calling functions when the caller has variable sized objects --- Diffs of the changes: (+19 -1) ARMRegisterInfo.cpp | 20 +++++++++++++++++++- 1 files changed, 19 insertions(+), 1 deletion(-) Index: llvm/lib/Target/ARM/ARMRegisterInfo.cpp diff -u llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.23 llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.24 --- llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.23 Thu Oct 26 08:31:25 2006 +++ llvm/lib/Target/ARM/ARMRegisterInfo.cpp Tue Oct 31 07:03:26 2006 @@ -19,6 +19,8 @@ #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineLocation.h" #include "llvm/Type.h" +#include "llvm/Target/TargetFrameInfo.h" +#include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetOptions.h" #include "llvm/ADT/STLExtras.h" #include <iostream> @@ -99,7 +101,23 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const { if (hasFP(MF)) { - assert(0); + MachineInstr *Old = I; + unsigned Amount = Old->getOperand(0).getImmedValue(); + if (Amount != 0) { + unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment(); + Amount = (Amount+Align-1)/Align*Align; + + if (Old->getOpcode() == ARM::ADJCALLSTACKDOWN) { + // sub sp, sp, amount + BuildMI(MBB, I, ARM::SUB, 2, ARM::R13).addReg(ARM::R13).addImm(Amount) + .addImm(0).addImm(ARMShift::LSL); + } else { + // add sp, sp, amount + assert(Old->getOpcode() == ARM::ADJCALLSTACKUP); + BuildMI(MBB, I, ARM::ADD, 2, ARM::R13).addReg(ARM::R13).addImm(Amount) + .addImm(0).addImm(ARMShift::LSL); + } + } } MBB.erase(I); } _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits