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Enable binary encoding of some simple instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116022 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2010-10-08 00:39:21 +00:00
parent c9f1cddc51
commit 58f38bfa24
1 changed files with 8 additions and 0 deletions
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8
lib/Target/ARM/ARMMCCodeEmitter.cpp
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@ -112,6 +112,8 @@ EncodeInstruction(const MCInst &MI, raw_ostream &OS,
unsigned Opcode = MI.getOpcode(); unsigned Opcode = MI.getOpcode();
const TargetInstrDesc &Desc = TII.get(Opcode); const TargetInstrDesc &Desc = TII.get(Opcode);
uint64_t TSFlags = Desc.TSFlags; uint64_t TSFlags = Desc.TSFlags;
// Keep track of the current byte being emitted.
unsigned CurByte = 0;
// Pseudo instructions don't get encoded. // Pseudo instructions don't get encoded.
if ((TSFlags & ARMII::FormMask) == ARMII::Pseudo) if ((TSFlags & ARMII::FormMask) == ARMII::Pseudo)
@ -119,6 +121,12 @@ EncodeInstruction(const MCInst &MI, raw_ostream &OS,
++MCNumEmitted; // Keep track of the # of mi's emitted ++MCNumEmitted; // Keep track of the # of mi's emitted
switch (TSFlags & ARMII::FormMask) { switch (TSFlags & ARMII::FormMask) {
case ARMII::BrMiscFrm:
case ARMII::MiscFrm: {
unsigned Value = getBinaryCodeForInstr(MI);
EmitConstant(Value, 4, CurByte, OS);
break;
}
default: { default: {
llvm_unreachable("Unhandled instruction encoding format!"); llvm_unreachable("Unhandled instruction encoding format!");
break; break;