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-rw-r--r--lib/Target/X86/X86AsmPrinter.cpp113
1 files changed, 60 insertions, 53 deletions
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index db71e27..fdd7125 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -13,7 +13,6 @@
//===----------------------------------------------------------------------===//
#include "X86AsmPrinter.h"
-#include "X86MCInstLower.h"
#include "X86.h"
#include "X86COFFMachineModuleInfo.h"
#include "X86MachineFunctionInfo.h"
@@ -206,10 +205,10 @@ void X86AsmPrinter::printSymbolOperand(const MachineOperand &MO,
}
}
-/// print_pcrel_imm - This is used to print an immediate value that ends up
+/// printPCRelImm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value. These print slightly differently, for
/// example, a $ is not emitted.
-void X86AsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo,
+void X86AsmPrinter::printPCRelImm(const MachineInstr *MI, unsigned OpNo,
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
@@ -233,15 +232,17 @@ void X86AsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo,
void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
- raw_ostream &O, const char *Modifier) {
+ raw_ostream &O, const char *Modifier,
+ unsigned AsmVariant) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
default: llvm_unreachable("unknown operand type!");
case MachineOperand::MO_Register: {
- O << '%';
+ // FIXME: Enumerating AsmVariant, so we can remove magic number.
+ if (AsmVariant == 0) O << '%';
unsigned Reg = MO.getReg();
if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
- EVT VT = (strcmp(Modifier+6,"64") == 0) ?
+ MVT::SimpleValueType VT = (strcmp(Modifier+6,"64") == 0) ?
MVT::i64 : ((strcmp(Modifier+6, "32") == 0) ? MVT::i32 :
((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
Reg = getX86SubSuperRegister(Reg, VT);
@@ -265,46 +266,6 @@ void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
}
}
-void X86AsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op,
- raw_ostream &O) {
- unsigned char value = MI->getOperand(Op).getImm();
- switch (value) {
- default: llvm_unreachable("Invalid ssecc argument!");
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
- case 8: O << "eq_uq"; break;
- case 9: O << "nge"; break;
- case 0xa: O << "ngt"; break;
- case 0xb: O << "false"; break;
- case 0xc: O << "neq_oq"; break;
- case 0xd: O << "ge"; break;
- case 0xe: O << "gt"; break;
- case 0xf: O << "true"; break;
- case 0x10: O << "eq_os"; break;
- case 0x11: O << "lt_oq"; break;
- case 0x12: O << "le_oq"; break;
- case 0x13: O << "unord_s"; break;
- case 0x14: O << "neq_us"; break;
- case 0x15: O << "nlt_uq"; break;
- case 0x16: O << "nle_uq"; break;
- case 0x17: O << "ord_s"; break;
- case 0x18: O << "eq_us"; break;
- case 0x19: O << "nge_uq"; break;
- case 0x1a: O << "ngt_uq"; break;
- case 0x1b: O << "false_os"; break;
- case 0x1c: O << "neq_os"; break;
- case 0x1d: O << "ge_oq"; break;
- case 0x1e: O << "gt_oq"; break;
- case 0x1f: O << "true_us"; break;
- }
-}
-
void X86AsmPrinter::printLeaMemReference(const MachineInstr *MI, unsigned Op,
raw_ostream &O, const char *Modifier) {
const MachineOperand &BaseReg = MI->getOperand(Op);
@@ -363,10 +324,51 @@ void X86AsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
printLeaMemReference(MI, Op, O, Modifier);
}
-void X86AsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op,
- raw_ostream &O) {
- O << *MF->getPICBaseSymbol() << '\n';
- O << *MF->getPICBaseSymbol() << ':';
+void X86AsmPrinter::printIntelMemReference(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O, const char *Modifier,
+ unsigned AsmVariant){
+ const MachineOperand &BaseReg = MI->getOperand(Op);
+ unsigned ScaleVal = MI->getOperand(Op+1).getImm();
+ const MachineOperand &IndexReg = MI->getOperand(Op+2);
+ const MachineOperand &DispSpec = MI->getOperand(Op+3);
+ const MachineOperand &SegReg = MI->getOperand(Op+4);
+
+ // If this has a segment register, print it.
+ if (SegReg.getReg()) {
+ printOperand(MI, Op+4, O, Modifier, AsmVariant);
+ O << ':';
+ }
+
+ O << '[';
+
+ bool NeedPlus = false;
+ if (BaseReg.getReg()) {
+ printOperand(MI, Op, O, Modifier, AsmVariant);
+ NeedPlus = true;
+ }
+
+ if (IndexReg.getReg()) {
+ if (NeedPlus) O << " + ";
+ if (ScaleVal != 1)
+ O << ScaleVal << '*';
+ printOperand(MI, Op+2, O, Modifier, AsmVariant);
+ NeedPlus = true;
+ }
+
+ assert (DispSpec.isImm() && "Displacement is not an immediate!");
+ int64_t DispVal = DispSpec.getImm();
+ if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) {
+ if (NeedPlus) {
+ if (DispVal > 0)
+ O << " + ";
+ else {
+ O << " - ";
+ DispVal = -DispVal;
+ }
+ }
+ O << DispVal;
+ }
+ O << ']';
}
bool X86AsmPrinter::printAsmMRegister(const MachineOperand &MO, char Mode,
@@ -457,7 +459,7 @@ bool X86AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
return false;
case 'P': // This is the operand of a call, treat specially.
- print_pcrel_imm(MI, OpNo, O);
+ printPCRelImm(MI, OpNo, O);
return false;
case 'n': // Negate the immediate or print a '-' before the operand.
@@ -471,7 +473,7 @@ bool X86AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
}
}
- printOperand(MI, OpNo, O);
+ printOperand(MI, OpNo, O, /*Modifier*/ 0, AsmVariant);
return false;
}
@@ -479,6 +481,11 @@ bool X86AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
unsigned OpNo, unsigned AsmVariant,
const char *ExtraCode,
raw_ostream &O) {
+ if (AsmVariant) {
+ printIntelMemReference(MI, OpNo, O);
+ return false;
+ }
+
if (ExtraCode && ExtraCode[0]) {
if (ExtraCode[1] != 0) return true; // Unknown modifier.
@@ -680,7 +687,7 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) {
MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
if (!Stubs.empty()) {
OutStreamer.SwitchSection(TLOFELF.getDataRelSection());
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
OutStreamer.EmitLabel(Stubs[i].first);
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