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path: root/lib/Target/SystemZ/SystemZAsmPrinter.cpp
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-rw-r--r--lib/Target/SystemZ/SystemZAsmPrinter.cpp200
1 files changed, 200 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZAsmPrinter.cpp b/lib/Target/SystemZ/SystemZAsmPrinter.cpp
index 75273114d62f..9c0f327ff744 100644
--- a/lib/Target/SystemZ/SystemZAsmPrinter.cpp
+++ b/lib/Target/SystemZ/SystemZAsmPrinter.cpp
@@ -109,6 +109,85 @@ void SystemZAsmPrinter::EmitInstruction(const MachineInstr *MI) {
LoweredMI = MCInstBuilder(SystemZ::BR).addReg(SystemZ::R14D);
break;
+ case SystemZ::CondReturn:
+ LoweredMI = MCInstBuilder(SystemZ::BCR)
+ .addImm(MI->getOperand(0).getImm())
+ .addImm(MI->getOperand(1).getImm())
+ .addReg(SystemZ::R14D);
+ break;
+
+ case SystemZ::CRBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CGRBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CGRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CIBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CGIBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CGIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLRBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CLRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLGRBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CLGRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLIBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CLIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLGIBReturn:
+ LoweredMI = MCInstBuilder(SystemZ::CLGIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R14D)
+ .addImm(0);
+ break;
+
case SystemZ::CallBRASL:
LoweredMI = MCInstBuilder(SystemZ::BRASL)
.addReg(SystemZ::R14D)
@@ -126,10 +205,96 @@ void SystemZAsmPrinter::EmitInstruction(const MachineInstr *MI) {
.addExpr(Lower.getExpr(MI->getOperand(0), MCSymbolRefExpr::VK_PLT));
break;
+ case SystemZ::CallBRCL:
+ LoweredMI = MCInstBuilder(SystemZ::BRCL)
+ .addImm(MI->getOperand(0).getImm())
+ .addImm(MI->getOperand(1).getImm())
+ .addExpr(Lower.getExpr(MI->getOperand(2), MCSymbolRefExpr::VK_PLT));
+ break;
+
case SystemZ::CallBR:
LoweredMI = MCInstBuilder(SystemZ::BR).addReg(SystemZ::R1D);
break;
+ case SystemZ::CallBCR:
+ LoweredMI = MCInstBuilder(SystemZ::BCR)
+ .addImm(MI->getOperand(0).getImm())
+ .addImm(MI->getOperand(1).getImm())
+ .addReg(SystemZ::R1D);
+ break;
+
+ case SystemZ::CRBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CGRBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CGRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CIBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CGIBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CGIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLRBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CLRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLGRBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CLGRB)
+ .addReg(MI->getOperand(0).getReg())
+ .addReg(MI->getOperand(1).getReg())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLIBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CLIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
+ case SystemZ::CLGIBCall:
+ LoweredMI = MCInstBuilder(SystemZ::CLGIB)
+ .addReg(MI->getOperand(0).getReg())
+ .addImm(MI->getOperand(1).getImm())
+ .addImm(MI->getOperand(2).getImm())
+ .addReg(SystemZ::R1D)
+ .addImm(0);
+ break;
+
case SystemZ::TLS_GDCALL:
LoweredMI = MCInstBuilder(SystemZ::BRASL)
.addReg(SystemZ::R14D)
@@ -260,6 +425,41 @@ void SystemZAsmPrinter::EmitInstruction(const MachineInstr *MI) {
.addImm(15).addReg(SystemZ::R0D);
break;
+ // Emit nothing here but a comment if we can.
+ case SystemZ::MemBarrier:
+ OutStreamer->emitRawComment("MEMBARRIER");
+ return;
+
+ // We want to emit "j .+2" for traps, jumping to the relative immediate field
+ // of the jump instruction, which is an illegal instruction. We cannot emit a
+ // "." symbol, so create and emit a temp label before the instruction and use
+ // that instead.
+ case SystemZ::Trap: {
+ MCSymbol *DotSym = OutContext.createTempSymbol();
+ OutStreamer->EmitLabel(DotSym);
+
+ const MCSymbolRefExpr *Expr = MCSymbolRefExpr::create(DotSym, OutContext);
+ const MCConstantExpr *ConstExpr = MCConstantExpr::create(2, OutContext);
+ LoweredMI = MCInstBuilder(SystemZ::J)
+ .addExpr(MCBinaryExpr::createAdd(Expr, ConstExpr, OutContext));
+ }
+ break;
+
+ // Conditional traps will create a branch on condition instruction that jumps
+ // to the relative immediate field of the jump instruction. (eg. "jo .+2")
+ case SystemZ::CondTrap: {
+ MCSymbol *DotSym = OutContext.createTempSymbol();
+ OutStreamer->EmitLabel(DotSym);
+
+ const MCSymbolRefExpr *Expr = MCSymbolRefExpr::create(DotSym, OutContext);
+ const MCConstantExpr *ConstExpr = MCConstantExpr::create(2, OutContext);
+ LoweredMI = MCInstBuilder(SystemZ::BRC)
+ .addImm(MI->getOperand(0).getImm())
+ .addImm(MI->getOperand(1).getImm())
+ .addExpr(MCBinaryExpr::createAdd(Expr, ConstExpr, OutContext));
+ }
+ break;
+
default:
Lower.lower(MI, LoweredMI);
break;