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-rw-r--r--contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp112
1 files changed, 87 insertions, 25 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp b/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp
index 108eb9047903..d06c894c7e05 100644
--- a/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp
+++ b/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp
@@ -20,6 +20,7 @@
#include "llvm/ADT/SmallString.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
@@ -43,6 +44,7 @@ namespace {
const char *Modifier = 0);
void printCCOperand(const MachineInstr *MI, int opNum, raw_ostream &OS);
+ virtual void EmitFunctionBodyStart();
virtual void EmitInstruction(const MachineInstr *MI) {
SmallString<128> Str;
raw_svector_ostream OS(Str);
@@ -60,16 +62,38 @@ namespace {
raw_ostream &O);
bool printGetPCX(const MachineInstr *MI, unsigned OpNo, raw_ostream &OS);
-
+
virtual bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB)
const;
+ void EmitGlobalRegisterDecl(unsigned reg) {
+ SmallString<128> Str;
+ raw_svector_ostream OS(Str);
+ OS << "\t.register "
+ << "%" << StringRef(getRegisterName(reg)).lower()
+ << ", "
+ << ((reg == SP::G6 || reg == SP::G7)? "#ignore" : "#scratch");
+ OutStreamer.EmitRawText(OS.str());
+ }
- virtual MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
};
} // end of anonymous namespace
#include "SparcGenAsmWriter.inc"
+void SparcAsmPrinter::EmitFunctionBodyStart() {
+ if (!TM.getSubtarget<SparcSubtarget>().is64Bit())
+ return;
+
+ const MachineRegisterInfo &MRI = MF->getRegInfo();
+ const unsigned globalRegs[] = { SP::G2, SP::G3, SP::G6, SP::G7, 0 };
+ for (unsigned i = 0; globalRegs[i] != 0; ++i) {
+ unsigned reg = globalRegs[i];
+ if (MRI.use_empty(reg))
+ continue;
+ EmitGlobalRegisterDecl(reg);
+ }
+}
+
void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand (opNum);
@@ -81,11 +105,37 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
assert(TF == SPII::MO_NO_FLAG &&
"Cannot handle target flags on call address");
else if (MI->getOpcode() == SP::SETHIi)
- assert((TF == SPII::MO_HI || TF == SPII::MO_H44 || TF == SPII::MO_HH) &&
+ assert((TF == SPII::MO_HI || TF == SPII::MO_H44 || TF == SPII::MO_HH
+ || TF == SPII::MO_TLS_GD_HI22
+ || TF == SPII::MO_TLS_LDM_HI22
+ || TF == SPII::MO_TLS_LDO_HIX22
+ || TF == SPII::MO_TLS_IE_HI22
+ || TF == SPII::MO_TLS_LE_HIX22) &&
"Invalid target flags for address operand on sethi");
+ else if (MI->getOpcode() == SP::TLS_CALL)
+ assert((TF == SPII::MO_NO_FLAG
+ || TF == SPII::MO_TLS_GD_CALL
+ || TF == SPII::MO_TLS_LDM_CALL) &&
+ "Cannot handle target flags on tls call address");
+ else if (MI->getOpcode() == SP::TLS_ADDrr)
+ assert((TF == SPII::MO_TLS_GD_ADD || TF == SPII::MO_TLS_LDM_ADD
+ || TF == SPII::MO_TLS_LDO_ADD || TF == SPII::MO_TLS_IE_ADD) &&
+ "Cannot handle target flags on add for TLS");
+ else if (MI->getOpcode() == SP::TLS_LDrr)
+ assert(TF == SPII::MO_TLS_IE_LD &&
+ "Cannot handle target flags on ld for TLS");
+ else if (MI->getOpcode() == SP::TLS_LDXrr)
+ assert(TF == SPII::MO_TLS_IE_LDX &&
+ "Cannot handle target flags on ldx for TLS");
+ else if (MI->getOpcode() == SP::XORri)
+ assert((TF == SPII::MO_TLS_LDO_LOX10 || TF == SPII::MO_TLS_LE_LOX10) &&
+ "Cannot handle target flags on xor for TLS");
else
- assert((TF == SPII::MO_LO || TF == SPII::MO_M44 || TF == SPII::MO_L44 ||
- TF == SPII::MO_HM) &&
+ assert((TF == SPII::MO_LO || TF == SPII::MO_M44 || TF == SPII::MO_L44
+ || TF == SPII::MO_HM
+ || TF == SPII::MO_TLS_GD_LO10
+ || TF == SPII::MO_TLS_LDM_LO10
+ || TF == SPII::MO_TLS_IE_LO10 ) &&
"Invalid target flags for small address operand");
}
#endif
@@ -104,6 +154,24 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
case SPII::MO_L44: O << "%l44("; break;
case SPII::MO_HH: O << "%hh("; break;
case SPII::MO_HM: O << "%hm("; break;
+ case SPII::MO_TLS_GD_HI22: O << "%tgd_hi22("; break;
+ case SPII::MO_TLS_GD_LO10: O << "%tgd_lo10("; break;
+ case SPII::MO_TLS_GD_ADD: O << "%tgd_add("; break;
+ case SPII::MO_TLS_GD_CALL: O << "%tgd_call("; break;
+ case SPII::MO_TLS_LDM_HI22: O << "%tldm_hi22("; break;
+ case SPII::MO_TLS_LDM_LO10: O << "%tldm_lo10("; break;
+ case SPII::MO_TLS_LDM_ADD: O << "%tldm_add("; break;
+ case SPII::MO_TLS_LDM_CALL: O << "%tldm_call("; break;
+ case SPII::MO_TLS_LDO_HIX22: O << "%tldo_hix22("; break;
+ case SPII::MO_TLS_LDO_LOX10: O << "%tldo_lox10("; break;
+ case SPII::MO_TLS_LDO_ADD: O << "%tldo_add("; break;
+ case SPII::MO_TLS_IE_HI22: O << "%tie_hi22("; break;
+ case SPII::MO_TLS_IE_LO10: O << "%tie_lo10("; break;
+ case SPII::MO_TLS_IE_LD: O << "%tie_ld("; break;
+ case SPII::MO_TLS_IE_LDX: O << "%tie_ldx("; break;
+ case SPII::MO_TLS_IE_ADD: O << "%tie_add("; break;
+ case SPII::MO_TLS_LE_HIX22: O << "%tle_hix22("; break;
+ case SPII::MO_TLS_LE_LOX10: O << "%tle_lox10("; break;
}
switch (MO.getType()) {
@@ -118,7 +186,10 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
O << *MO.getMBB()->getSymbol();
return;
case MachineOperand::MO_GlobalAddress:
- O << *Mang->getSymbol(MO.getGlobal());
+ O << *getSymbol(MO.getGlobal());
+ break;
+ case MachineOperand::MO_BlockAddress:
+ O << GetBlockAddressSymbol(MO.getBlockAddress())->getName();
break;
case MachineOperand::MO_ExternalSymbol:
O << MO.getSymbolName();
@@ -164,7 +235,7 @@ bool SparcAsmPrinter::printGetPCX(const MachineInstr *MI, unsigned opNum,
case MachineOperand::MO_Register:
assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
"Operand is not a physical register ");
- assert(MO.getReg() != SP::O7 &&
+ assert(MO.getReg() != SP::O7 &&
"%o7 is assigned as destination for getpcx!");
operand = "%" + StringRef(getRegisterName(MO.getReg())).lower();
break;
@@ -177,15 +248,15 @@ bool SparcAsmPrinter::printGetPCX(const MachineInstr *MI, unsigned opNum,
O << "\tcall\t.LLGETPC" << mfNum << '_' << bbNum << '\n' ;
O << "\t sethi\t"
- << "%hi(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum
+ << "%hi(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum
<< ")), " << operand << '\n' ;
O << ".LLGETPC" << mfNum << '_' << bbNum << ":\n" ;
- O << "\tor\t" << operand
+ O << "\tor\t" << operand
<< ", %lo(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum
<< ")), " << operand << '\n';
- O << "\tadd\t" << operand << ", %o7, " << operand << '\n';
-
+ O << "\tadd\t" << operand << ", %o7, " << operand << '\n';
+
return true;
}
@@ -243,19 +314,19 @@ isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const {
// then nothing falls through to it.
if (MBB->isLandingPad() || MBB->pred_empty())
return false;
-
+
// If there isn't exactly one predecessor, it can't be a fall through.
MachineBasicBlock::const_pred_iterator PI = MBB->pred_begin(), PI2 = PI;
++PI2;
if (PI2 != MBB->pred_end())
return false;
-
+
// The predecessor has to be immediately before this block.
const MachineBasicBlock *Pred = *PI;
-
+
if (!Pred->isLayoutSuccessor(MBB))
return false;
-
+
// Check if the last terminator is an unconditional branch.
MachineBasicBlock::const_iterator I = Pred->end();
while (I != Pred->begin() && !(--I)->isTerminator())
@@ -263,17 +334,8 @@ isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const {
return I == Pred->end() || !I->isBarrier();
}
-MachineLocation SparcAsmPrinter::
-getDebugValueLocation(const MachineInstr *MI) const {
- assert(MI->getNumOperands() == 4 && "Invalid number of operands!");
- assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm() &&
- "Unexpected MachineOperand types");
- return MachineLocation(MI->getOperand(0).getReg(),
- MI->getOperand(1).getImm());
-}
-
// Force static initialization.
-extern "C" void LLVMInitializeSparcAsmPrinter() {
+extern "C" void LLVMInitializeSparcAsmPrinter() {
RegisterAsmPrinter<SparcAsmPrinter> X(TheSparcTarget);
RegisterAsmPrinter<SparcAsmPrinter> Y(TheSparcV9Target);
}