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path: root/lib/Target/ARM/ARMAsmPrinter.cpp
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Diffstat (limited to 'lib/Target/ARM/ARMAsmPrinter.cpp')
-rw-r--r--lib/Target/ARM/ARMAsmPrinter.cpp58
1 files changed, 43 insertions, 15 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 28d2610..695fd4d 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -76,7 +76,8 @@ void ARMAsmPrinter::EmitFunctionEntryLabel() {
}
void ARMAsmPrinter::EmitXXStructor(const Constant *CV) {
- uint64_t Size = TM.getDataLayout()->getTypeAllocSize(CV->getType());
+ uint64_t Size =
+ TM.getSubtargetImpl()->getDataLayout()->getTypeAllocSize(CV->getType());
assert(Size && "C++ constructor pointer had zero size!");
const GlobalValue *GV = dyn_cast<GlobalValue>(CV->stripPointerCasts());
@@ -136,7 +137,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
assert(!MO.getSubReg() && "Subregs should be eliminated!");
if(ARM::GPRPairRegClass.contains(Reg)) {
const MachineFunction &MF = *MI->getParent()->getParent();
- const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
Reg = TRI->getSubReg(Reg, ARM::gsub_0);
}
O << ARMInstPrinter::getRegisterName(Reg);
@@ -182,7 +183,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
MCSymbol *ARMAsmPrinter::
GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const {
- const DataLayout *DL = TM.getDataLayout();
+ const DataLayout *DL = TM.getSubtargetImpl()->getDataLayout();
SmallString<60> Name;
raw_svector_ostream(Name) << DL->getPrivateGlobalPrefix() << "JTI"
<< getFunctionNumber() << '_' << uid << '_' << uid2;
@@ -191,7 +192,7 @@ GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const {
MCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel() const {
- const DataLayout *DL = TM.getDataLayout();
+ const DataLayout *DL = TM.getSubtargetImpl()->getDataLayout();
SmallString<60> Name;
raw_svector_ostream(Name) << DL->getPrivateGlobalPrefix() << "SJLJEH"
<< getFunctionNumber();
@@ -229,7 +230,7 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
case 'y': // Print a VFP single precision register as indexed double.
if (MI->getOperand(OpNum).isReg()) {
unsigned Reg = MI->getOperand(OpNum).getReg();
- const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
// Find the 'd' register that has this 's' register as a sub-register,
// and determine the lane number.
for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR) {
@@ -261,7 +262,7 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
// inline asm statement.
O << "{";
if (ARM::GPRPairRegClass.contains(RegBegin)) {
- const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
unsigned Reg0 = TRI->getSubReg(RegBegin, ARM::gsub_0);
O << ARMInstPrinter::getRegisterName(Reg0) << ", ";
RegBegin = TRI->getSubReg(RegBegin, ARM::gsub_1);
@@ -317,7 +318,7 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
const MachineOperand &MO = MI->getOperand(OpNum);
if (!MO.isReg())
return true;
- const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
unsigned Reg = TRI->getSubReg(MO.getReg(), ExtraCode[0] == 'Q' ?
ARM::gsub_0 : ARM::gsub_1);
O << ARMInstPrinter::getRegisterName(Reg);
@@ -343,7 +344,7 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned Reg = MI->getOperand(OpNum).getReg();
if (!ARM::QPRRegClass.contains(Reg))
return true;
- const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
unsigned SubReg = TRI->getSubReg(Reg, ExtraCode[0] == 'e' ?
ARM::dsub_0 : ARM::dsub_1);
O << ARMInstPrinter::getRegisterName(SubReg);
@@ -358,7 +359,7 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
if (!MO.isReg())
return true;
const MachineFunction &MF = *MI->getParent()->getParent();
- const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
unsigned Reg = MO.getReg();
if(!ARM::GPRPairRegClass.contains(Reg))
return false;
@@ -478,6 +479,9 @@ void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
// Emit ARM Build Attributes
if (Subtarget->isTargetELF())
emitAttributes();
+
+ if (!M.getModuleInlineAsm().empty() && Subtarget->isThumb())
+ OutStreamer.EmitAssemblerFlag(MCAF_Code16);
}
static void
@@ -558,7 +562,7 @@ void ARMAsmPrinter::EmitEndOfAsmFile(Module &M) {
MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
if (!Stubs.empty()) {
OutStreamer.SwitchSection(TLOFELF.getDataRelSection());
- const DataLayout *TD = TM.getDataLayout();
+ const DataLayout *TD = TM.getSubtargetImpl()->getDataLayout();
for (auto &stub: Stubs) {
OutStreamer.EmitLabel(stub.first);
@@ -663,7 +667,9 @@ void ARMAsmPrinter::emitAttributes() {
ARMBuildAttrs::AllowNeonARMv8);
} else {
if (Subtarget->hasFPARMv8())
- ATS.emitFPU(ARM::FP_ARMV8);
+ // FPv5 and FP-ARMv8 have the same instructions, so are modeled as one
+ // FPU, but there are two different names for it depending on the CPU.
+ ATS.emitFPU(Subtarget->hasD16() ? ARM::FPV5_D16 : ARM::FP_ARMV8);
else if (Subtarget->hasVFP4())
ATS.emitFPU(Subtarget->hasD16() ? ARM::VFPV4_D16 : ARM::VFPV4);
else if (Subtarget->hasVFP3())
@@ -700,6 +706,13 @@ void ARMAsmPrinter::emitAttributes() {
ATS.emitAttribute(ARMBuildAttrs::ABI_FP_number_model,
ARMBuildAttrs::AllowIEE754);
+ if (Subtarget->allowsUnalignedMem())
+ ATS.emitAttribute(ARMBuildAttrs::CPU_unaligned_access,
+ ARMBuildAttrs::Allowed);
+ else
+ ATS.emitAttribute(ARMBuildAttrs::CPU_unaligned_access,
+ ARMBuildAttrs::Not_Allowed);
+
// FIXME: add more flags to ARMBuildAttributes.h
// 8-bytes alignment stuff.
ATS.emitAttribute(ARMBuildAttrs::ABI_align_needed, 1);
@@ -757,6 +770,17 @@ void ARMAsmPrinter::emitAttributes() {
}
}
+ // TODO: We currently only support either reserving the register, or treating
+ // it as another callee-saved register, but not as SB or a TLS pointer; It
+ // would instead be nicer to push this from the frontend as metadata, as we do
+ // for the wchar and enum size tags
+ if (Subtarget->isR9Reserved())
+ ATS.emitAttribute(ARMBuildAttrs::ABI_PCS_R9_use,
+ ARMBuildAttrs::R9Reserved);
+ else
+ ATS.emitAttribute(ARMBuildAttrs::ABI_PCS_R9_use,
+ ARMBuildAttrs::R9IsGPR);
+
if (Subtarget->hasTrustZone() && Subtarget->hasVirtualization())
ATS.emitAttribute(ARMBuildAttrs::Virtualization_use,
ARMBuildAttrs::AllowTZVirtualization);
@@ -834,8 +858,9 @@ MCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV,
void ARMAsmPrinter::
EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) {
- const DataLayout *DL = TM.getDataLayout();
- int Size = TM.getDataLayout()->getTypeAllocSize(MCPV->getType());
+ const DataLayout *DL = TM.getSubtargetImpl()->getDataLayout();
+ int Size =
+ TM.getSubtargetImpl()->getDataLayout()->getTypeAllocSize(MCPV->getType());
ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV);
@@ -1013,7 +1038,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
MCTargetStreamer &TS = *OutStreamer.getTargetStreamer();
ARMTargetStreamer &ATS = static_cast<ARMTargetStreamer &>(TS);
const MachineFunction &MF = *MI->getParent()->getParent();
- const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
+ const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();
const ARMFunctionInfo &AFI = *MF.getInfo<ARMFunctionInfo>();
unsigned FramePtr = RegInfo->getFrameRegister(MF);
@@ -1151,7 +1176,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
#include "ARMGenMCPseudoLowering.inc"
void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
- const DataLayout *DL = TM.getDataLayout();
+ const DataLayout *DL = TM.getSubtargetImpl()->getDataLayout();
// If we just ended a constant pool, mark it as such.
if (InConstantPool && MI->getOpcode() != ARM::CONSTPOOL_ENTRY) {
@@ -1567,6 +1592,9 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
EmitJumpTable(MI);
return;
}
+ case ARM::SPACE:
+ OutStreamer.EmitZeros(MI->getOperand(1).getImm());
+ return;
case ARM::TRAP: {
// Non-Darwin binutils don't yet support the "trap" mnemonic.
// FIXME: Remove this special case when they do.
generated by cgit v1.1 at 2024-06-18 09:09:05 +0000