diff options
author | Alexander Kornienko <alexfh@google.com> | 2013-03-26 02:28:59 +0000 |
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committer | Alexander Kornienko <alexfh@google.com> | 2013-03-26 02:28:59 +0000 |
commit | d934545ae6a00aa8a8179a93d11cbd93a5240849 (patch) | |
tree | ab44db08aa63a8f94a3e09d6491c4156c624af96 /lib/Target/AArch64 | |
parent | 868d4470cdfa9472353ea2a49a6c456ddae9c95b (diff) | |
parent | c204410d6bc435e7cb8ea768759a54135e8e92b5 (diff) |
Updating branches/google/testing to r177703testing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/testing@177985 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/AArch64')
-rw-r--r-- | lib/Target/AArch64/AArch64FrameLowering.cpp | 55 | ||||
-rw-r--r-- | lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp | 83 |
2 files changed, 47 insertions, 91 deletions
diff --git a/lib/Target/AArch64/AArch64FrameLowering.cpp b/lib/Target/AArch64/AArch64FrameLowering.cpp index cca6d12e16..572617cc07 100644 --- a/lib/Target/AArch64/AArch64FrameLowering.cpp +++ b/lib/Target/AArch64/AArch64FrameLowering.cpp @@ -349,59 +349,6 @@ AArch64FrameLowering::resolveFrameIndexReference(MachineFunction &MF, return TopOfFrameOffset - FrameRegPos; } -/// Estimate and return the size of the frame. -static unsigned estimateStackSize(MachineFunction &MF) { - // FIXME: Make generic? Really consider after upstreaming. This code is now - // shared between PEI, ARM *and* here. - const MachineFrameInfo *MFI = MF.getFrameInfo(); - const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering(); - const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo(); - unsigned MaxAlign = MFI->getMaxAlignment(); - int Offset = 0; - - // This code is very, very similar to PEI::calculateFrameObjectOffsets(). - // It really should be refactored to share code. Until then, changes - // should keep in mind that there's tight coupling between the two. - - for (int i = MFI->getObjectIndexBegin(); i != 0; ++i) { - int FixedOff = -MFI->getObjectOffset(i); - if (FixedOff > Offset) Offset = FixedOff; - } - for (unsigned i = 0, e = MFI->getObjectIndexEnd(); i != e; ++i) { - if (MFI->isDeadObjectIndex(i)) - continue; - Offset += MFI->getObjectSize(i); - unsigned Align = MFI->getObjectAlignment(i); - // Adjust to alignment boundary - Offset = (Offset+Align-1)/Align*Align; - - MaxAlign = std::max(Align, MaxAlign); - } - - if (MFI->adjustsStack() && TFI->hasReservedCallFrame(MF)) - Offset += MFI->getMaxCallFrameSize(); - - // Round up the size to a multiple of the alignment. If the function has - // any calls or alloca's, align to the target's StackAlignment value to - // ensure that the callee's frame or the alloca data is suitably aligned; - // otherwise, for leaf functions, align to the TransientStackAlignment - // value. - unsigned StackAlign; - if (MFI->adjustsStack() || MFI->hasVarSizedObjects() || - (RegInfo->needsStackRealignment(MF) && MFI->getObjectIndexEnd() != 0)) - StackAlign = TFI->getStackAlignment(); - else - StackAlign = TFI->getTransientStackAlignment(); - - // If the frame pointer is eliminated, all frame offsets will be relative to - // SP not FP. Align to MaxAlign so this works. - StackAlign = std::max(StackAlign, MaxAlign); - unsigned AlignMask = StackAlign - 1; - Offset = (Offset + AlignMask) & ~uint64_t(AlignMask); - - return (unsigned)Offset; -} - void AArch64FrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS) const { @@ -422,7 +369,7 @@ AArch64FrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, // callee-save register for this purpose or allocate an extra spill slot. bool BigStack = - (RS && estimateStackSize(MF) >= TII.estimateRSStackLimit(MF)) + (RS && MFI->estimateStackSize(MF) >= TII.estimateRSStackLimit(MF)) || MFI->hasVarSizedObjects() // Access will be from X29: messes things up || (MFI->adjustsStack() && !hasReservedCallFrame(MF)); diff --git a/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp index c1695dacb4..69bb80a485 100644 --- a/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp +++ b/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp @@ -160,44 +160,53 @@ private: SMLoc StartLoc, EndLoc; + struct ImmWithLSLOp { + const MCExpr *Val; + unsigned ShiftAmount; + bool ImplicitAmount; + }; + + struct CondCodeOp { + A64CC::CondCodes Code; + }; + + struct FPImmOp { + double Val; + }; + + struct ImmOp { + const MCExpr *Val; + }; + + struct RegOp { + unsigned RegNum; + }; + + struct ShiftExtendOp { + A64SE::ShiftExtSpecifiers ShiftType; + unsigned Amount; + bool ImplicitAmount; + }; + + struct SysRegOp { + const char *Data; + unsigned Length; + }; + + struct TokOp { + const char *Data; + unsigned Length; + }; + union { - struct { - const MCExpr *Val; - unsigned ShiftAmount; - bool ImplicitAmount; - } ImmWithLSL; - - struct { - A64CC::CondCodes Code; - } CondCode; - - struct { - double Val; - } FPImm; - - struct { - const MCExpr *Val; - } Imm; - - struct { - unsigned RegNum; - } Reg; - - struct { - A64SE::ShiftExtSpecifiers ShiftType; - unsigned Amount; - bool ImplicitAmount; - } ShiftExtend; - - struct { - const char *Data; - unsigned Length; - } SysReg; - - struct { - const char *Data; - unsigned Length; - } Tok; + struct ImmWithLSLOp ImmWithLSL; + struct CondCodeOp CondCode; + struct FPImmOp FPImm; + struct ImmOp Imm; + struct RegOp Reg; + struct ShiftExtendOp ShiftExtend; + struct SysRegOp SysReg; + struct TokOp Tok; }; AArch64Operand(KindTy K, SMLoc S, SMLoc E) |