Remove unused argument. NFC.

[oota-llvm.git] / lib / Target / SystemZ / MCTargetDesc / SystemZMCTargetDesc.cpp

diff --git a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
index 6844f92ec987c369fdd9818b55b12bf713f18ad9..cd12c7f149814337acc6c15c371e4812e36a0504 100644 (file)
--- a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
@@ -16,6 +16,8 @@
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/Support/TargetRegistry.h"
 
+using namespace llvm;
+
 #define GET_INSTRINFO_MC_DESC
 #include "SystemZGenInstrInfo.inc"
 
@@ -25,13 +27,81 @@
 #define GET_REGINFO_MC_DESC
 #include "SystemZGenRegisterInfo.inc"
 
-using namespace llvm;
+const unsigned SystemZMC::GR32Regs[16] = {
+  SystemZ::R0L, SystemZ::R1L, SystemZ::R2L, SystemZ::R3L,
+  SystemZ::R4L, SystemZ::R5L, SystemZ::R6L, SystemZ::R7L,
+  SystemZ::R8L, SystemZ::R9L, SystemZ::R10L, SystemZ::R11L,
+  SystemZ::R12L, SystemZ::R13L, SystemZ::R14L, SystemZ::R15L
+};
+
+const unsigned SystemZMC::GRH32Regs[16] = {
+  SystemZ::R0H, SystemZ::R1H, SystemZ::R2H, SystemZ::R3H,
+  SystemZ::R4H, SystemZ::R5H, SystemZ::R6H, SystemZ::R7H,
+  SystemZ::R8H, SystemZ::R9H, SystemZ::R10H, SystemZ::R11H,
+  SystemZ::R12H, SystemZ::R13H, SystemZ::R14H, SystemZ::R15H
+};
+
+const unsigned SystemZMC::GR64Regs[16] = {
+  SystemZ::R0D, SystemZ::R1D, SystemZ::R2D, SystemZ::R3D,
+  SystemZ::R4D, SystemZ::R5D, SystemZ::R6D, SystemZ::R7D,
+  SystemZ::R8D, SystemZ::R9D, SystemZ::R10D, SystemZ::R11D,
+  SystemZ::R12D, SystemZ::R13D, SystemZ::R14D, SystemZ::R15D
+};
+
+const unsigned SystemZMC::GR128Regs[16] = {
+  SystemZ::R0Q, 0, SystemZ::R2Q, 0,
+  SystemZ::R4Q, 0, SystemZ::R6Q, 0,
+  SystemZ::R8Q, 0, SystemZ::R10Q, 0,
+  SystemZ::R12Q, 0, SystemZ::R14Q, 0
+};
+
+const unsigned SystemZMC::FP32Regs[16] = {
+  SystemZ::F0S, SystemZ::F1S, SystemZ::F2S, SystemZ::F3S,
+  SystemZ::F4S, SystemZ::F5S, SystemZ::F6S, SystemZ::F7S,
+  SystemZ::F8S, SystemZ::F9S, SystemZ::F10S, SystemZ::F11S,
+  SystemZ::F12S, SystemZ::F13S, SystemZ::F14S, SystemZ::F15S
+};
+
+const unsigned SystemZMC::FP64Regs[16] = {
+  SystemZ::F0D, SystemZ::F1D, SystemZ::F2D, SystemZ::F3D,
+  SystemZ::F4D, SystemZ::F5D, SystemZ::F6D, SystemZ::F7D,
+  SystemZ::F8D, SystemZ::F9D, SystemZ::F10D, SystemZ::F11D,
+  SystemZ::F12D, SystemZ::F13D, SystemZ::F14D, SystemZ::F15D
+};
+
+const unsigned SystemZMC::FP128Regs[16] = {
+  SystemZ::F0Q, SystemZ::F1Q, 0, 0,
+  SystemZ::F4Q, SystemZ::F5Q, 0, 0,
+  SystemZ::F8Q, SystemZ::F9Q, 0, 0,
+  SystemZ::F12Q, SystemZ::F13Q, 0, 0
+};
+
+unsigned SystemZMC::getFirstReg(unsigned Reg) {
+  static unsigned Map[SystemZ::NUM_TARGET_REGS];
+  static bool Initialized = false;
+  if (!Initialized) {
+    for (unsigned I = 0; I < 16; ++I) {
+      Map[GR32Regs[I]] = I;
+      Map[GRH32Regs[I]] = I;
+      Map[GR64Regs[I]] = I;
+      Map[GR128Regs[I]] = I;
+      Map[FP32Regs[I]] = I;
+      Map[FP64Regs[I]] = I;
+      Map[FP128Regs[I]] = I;
+    }
+  }
+  assert(Reg < SystemZ::NUM_TARGET_REGS);
+  return Map[Reg];
+}
 
-static MCAsmInfo *createSystemZMCAsmInfo(StringRef TT) {
+static MCAsmInfo *createSystemZMCAsmInfo(const MCRegisterInfo &MRI,
+                                         StringRef TT) {
   MCAsmInfo *MAI = new SystemZMCAsmInfo(TT);
-  MachineLocation FPDst(MachineLocation::VirtualFP);
-  MachineLocation FPSrc(SystemZ::R15D, -SystemZMC::CFAOffsetFromInitialSP);
-  MAI->addInitialFrameState(0, FPDst, FPSrc);
+  MCCFIInstruction Inst =
+      MCCFIInstruction::createDefCfa(nullptr,
+                                     MRI.getDwarfRegNum(SystemZ::R15D, true),
+                                     SystemZMC::CFAOffsetFromInitialSP);
+  MAI->addInitialFrameState(Inst);
   return MAI;
 }
 
@@ -111,14 +181,11 @@ static MCInstPrinter *createSystemZMCInstPrinter(const Target &T,
   return new SystemZInstPrinter(MAI, MII, MRI);
 }
 
-static MCStreamer *createSystemZMCObjectStreamer(const Target &T, StringRef TT,
-                                                 MCContext &Ctx,
-                                                 MCAsmBackend &MAB,
-                                                 raw_ostream &OS,
-                                                 MCCodeEmitter *Emitter,
-                                                 bool RelaxAll,
-                                                 bool NoExecStack) {
-  return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);
+static MCStreamer *
+createSystemZMCObjectStreamer(StringRef TT, MCContext &Ctx, MCAsmBackend &MAB,
+                              raw_ostream &OS, MCCodeEmitter *Emitter,
+                              const MCSubtargetInfo &STI, bool RelaxAll) {
+  return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
 }
 
 extern "C" void LLVMInitializeSystemZTargetMC() {