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authorAlexander Kornienko <alexfh@google.com>2013-03-26 02:28:59 +0000
committerAlexander Kornienko <alexfh@google.com>2013-03-26 02:28:59 +0000
commitd934545ae6a00aa8a8179a93d11cbd93a5240849 (patch)
treeab44db08aa63a8f94a3e09d6491c4156c624af96 /lib/Target/AArch64
parent868d4470cdfa9472353ea2a49a6c456ddae9c95b (diff)
parentc204410d6bc435e7cb8ea768759a54135e8e92b5 (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.cpp55
-rw-r--r--lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp83
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)