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authorJim Grosbach <grosbach@apple.com>2008-10-07 19:05:35 +0000
committerJim Grosbach <grosbach@apple.com>2008-10-07 19:05:35 +0000
commit320c148375723e6e2f850f5e9909da26391a0119 (patch)
treedc085b630a36b2e187f09d210fccc229e832ee37 /lib
parentd8fd3564c135f40835dce121d6df485a135e9e6b (diff)
downloadexternal_llvm-320c148375723e6e2f850f5e9909da26391a0119.zip
external_llvm-320c148375723e6e2f850f5e9909da26391a0119.tar.gz
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Encode the conditional execution predicate when JITing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57258 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/ARM/ARMCodeEmitter.cpp20
-rw-r--r--lib/Target/ARM/ARMInstrInfo.h6
2 files changed, 16 insertions, 10 deletions
diff --git a/lib/Target/ARM/ARMCodeEmitter.cpp b/lib/Target/ARM/ARMCodeEmitter.cpp
index 13f7903..574c14e 100644
--- a/lib/Target/ARM/ARMCodeEmitter.cpp
+++ b/lib/Target/ARM/ARMCodeEmitter.cpp
@@ -256,8 +256,8 @@ void ARMCodeEmitter::emitInstruction(const MachineInstr &MI) {
unsigned ARMCodeEmitter::getAddrModeNoneInstrBinary(const MachineInstr &MI,
const TargetInstrDesc &TID,
unsigned Binary) {
- // FIXME: Assume CC is AL for now.
- Binary |= ARMCC::AL << 28;
+ // Set the conditional execution predicate
+ Binary |= II->getPredicate(&MI) << 28;
switch (TID.TSFlags & ARMII::FormMask) {
default:
@@ -376,8 +376,8 @@ void ARMCodeEmitter::emitPseudoInstruction(const MachineInstr &MI) {
unsigned ARMCodeEmitter::getAddrMode1InstrBinary(const MachineInstr &MI,
const TargetInstrDesc &TID,
unsigned Binary) {
- // FIXME: Assume CC is AL for now.
- Binary |= ARMCC::AL << 28;
+ // Set the conditional execution predicate
+ Binary |= II->getPredicate(&MI) << 28;
// Encode S bit if MI modifies CPSR.
Binary |= getAddrMode1SBit(MI, TID);
@@ -429,8 +429,8 @@ unsigned ARMCodeEmitter::getAddrMode1InstrBinary(const MachineInstr &MI,
unsigned ARMCodeEmitter::getAddrMode2InstrBinary(const MachineInstr &MI,
const TargetInstrDesc &TID,
unsigned Binary) {
- // FIXME: Assume CC is AL for now.
- Binary |= ARMCC::AL << 28;
+ // Set the conditional execution predicate
+ Binary |= II->getPredicate(&MI) << 28;
// Set first operand
Binary |= getMachineOpValue(MI, 0) << ARMII::RegRdShift;
@@ -470,8 +470,8 @@ unsigned ARMCodeEmitter::getAddrMode2InstrBinary(const MachineInstr &MI,
unsigned ARMCodeEmitter::getAddrMode3InstrBinary(const MachineInstr &MI,
const TargetInstrDesc &TID,
unsigned Binary) {
- // FIXME: Assume CC is AL for now.
- Binary |= ARMCC::AL << 28;
+ // Set the conditional execution predicate
+ Binary |= II->getPredicate(&MI) << 28;
// Set first operand
Binary |= getMachineOpValue(MI, 0) << ARMII::RegRdShift;
@@ -507,8 +507,8 @@ unsigned ARMCodeEmitter::getAddrMode3InstrBinary(const MachineInstr &MI,
unsigned ARMCodeEmitter::getAddrMode4InstrBinary(const MachineInstr &MI,
const TargetInstrDesc &TID,
unsigned Binary) {
- // FIXME: Assume CC is AL for now.
- Binary |= ARMCC::AL << 28;
+ // Set the conditional execution predicate
+ Binary |= II->getPredicate(&MI) << 28;
// Set first operand
Binary |= getMachineOpValue(MI, 0) << ARMII::RegRnShift;
diff --git a/lib/Target/ARM/ARMInstrInfo.h b/lib/Target/ARM/ARMInstrInfo.h
index 0b27bfb..da22521 100644
--- a/lib/Target/ARM/ARMInstrInfo.h
+++ b/lib/Target/ARM/ARMInstrInfo.h
@@ -217,6 +217,12 @@ public:
// Predication support.
virtual bool isPredicated(const MachineInstr *MI) const;
+ ARMCC::CondCodes getPredicate(const MachineInstr *MI) const {
+ int PIdx = MI->findFirstPredOperandIdx();
+ return PIdx != -1 ? (ARMCC::CondCodes)MI->getOperand(PIdx).getImm()
+ : ARMCC::AL;
+ }
+
virtual
bool PredicateInstruction(MachineInstr *MI,
const SmallVectorImpl<MachineOperand> &Pred) const;