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[SystemZ] Fix some typos in comments.

This commit is contained in:
Jonas Paulsson 2021-06-21 13:49:08 -05:00
parent a63d4f6cba
commit b2cd98d5fe
1 changed files with 10 additions and 10 deletions
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20
llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
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@ -7423,7 +7423,7 @@ MachineBasicBlock *SystemZTargetLowering::emitAtomicLoadBinary(
// StartMBB:
// ...
// %OrigVal = L Disp(%Base)
// # fall through to LoopMMB
// # fall through to LoopMBB
MBB = StartMBB;
BuildMI(MBB, DL, TII->get(LOpcode), OrigVal).add(Base).addImm(Disp).addReg(0);
MBB->addSuccessor(LoopMBB);
@ -7435,7 +7435,7 @@ MachineBasicBlock *SystemZTargetLowering::emitAtomicLoadBinary(
// %NewVal = RLL %RotatedNewVal, 0(%NegBitShift)
// %Dest = CS %OldVal, %NewVal, Disp(%Base)
// JNE LoopMBB
// # fall through to DoneMMB
// # fall through to DoneMBB
MBB = LoopMBB;
BuildMI(MBB, DL, TII->get(SystemZ::PHI), OldVal)
.addReg(OrigVal).addMBB(StartMBB)
@ -7543,7 +7543,7 @@ MachineBasicBlock *SystemZTargetLowering::emitAtomicLoadMinMax(
// StartMBB:
// ...
// %OrigVal = L Disp(%Base)
// # fall through to LoopMMB
// # fall through to LoopMBB
MBB = StartMBB;
BuildMI(MBB, DL, TII->get(LOpcode), OrigVal).add(Base).addImm(Disp).addReg(0);
MBB->addSuccessor(LoopMBB);
@ -7569,7 +7569,7 @@ MachineBasicBlock *SystemZTargetLowering::emitAtomicLoadMinMax(
// UseAltMBB:
// %RotatedAltVal = RISBG %RotatedOldVal, %Src2, 32, 31 + BitSize, 0
// # fall through to UpdateMMB
// # fall through to UpdateMBB
MBB = UseAltMBB;
if (IsSubWord)
BuildMI(MBB, DL, TII->get(SystemZ::RISBG32), RotatedAltVal)
@ -7583,7 +7583,7 @@ MachineBasicBlock *SystemZTargetLowering::emitAtomicLoadMinMax(
// %NewVal = RLL %RotatedNewVal, 0(%NegBitShift)
// %Dest = CS %OldVal, %NewVal, Disp(%Base)
// JNE LoopMBB
// # fall through to DoneMMB
// # fall through to DoneMBB
MBB = UpdateMBB;
BuildMI(MBB, DL, TII->get(SystemZ::PHI), RotatedNewVal)
.addReg(RotatedOldVal).addMBB(LoopMBB)
@ -7652,7 +7652,7 @@ SystemZTargetLowering::emitAtomicCmpSwapW(MachineInstr &MI,
// StartMBB:
// ...
// %OrigOldVal = L Disp(%Base)
// # fall through to LoopMMB
// # fall through to LoopMBB
MBB = StartMBB;
BuildMI(MBB, DL, TII->get(LOpcode), OrigOldVal)
.add(Base)
@ -7699,7 +7699,7 @@ SystemZTargetLowering::emitAtomicCmpSwapW(MachineInstr &MI,
// ^^ Rotate the new field to its proper position.
// %RetryOldVal = CS %OldVal, %StoreVal, Disp(%Base)
// JNE LoopMBB
// # fall through to ExitMMB
// # fall through to ExitMBB
MBB = SetMBB;
BuildMI(MBB, DL, TII->get(SystemZ::RLL), StoreVal)
.addReg(RetrySwapVal).addReg(NegBitShift).addImm(-BitSize);
@ -7878,7 +7878,7 @@ MachineBasicBlock *SystemZTargetLowering::emitMemMemWrapper(
// %NextCountReg = AGHI %ThisCountReg, -1
// CGHI %NextCountReg, 0
// JLH LoopMBB
// # fall through to DoneMMB
// # fall through to DoneMBB
//
// The AGHI, CGHI and JLH should be converted to BRCTG by later passes.
MBB = NextMBB;
@ -7987,7 +7987,7 @@ MachineBasicBlock *SystemZTargetLowering::emitStringWrapper(
MachineBasicBlock *LoopMBB = SystemZ::emitBlockAfter(StartMBB);
// StartMBB:
// # fall through to LoopMMB
// # fall through to LoopMBB
MBB->addSuccessor(LoopMBB);
// LoopMBB:
@ -7996,7 +7996,7 @@ MachineBasicBlock *SystemZTargetLowering::emitStringWrapper(
// R0L = %CharReg
// %End1Reg, %End2Reg = CLST %This1Reg, %This2Reg -- uses R0L
// JO LoopMBB
// # fall through to DoneMMB
// # fall through to DoneMBB
//
// The load of R0L can be hoisted by post-RA LICM.
MBB = LoopMBB;