Rewrite mwait and monitor support and custom lower arguments.

[oota-llvm.git] / lib / Target / X86 / X86CodeEmitter.cpp

diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index c29e8cf4f5ef6521567afe58b7256cb88eef067d..60d9d4ad064eb0a9de7d8e518a19232b9335172b 100644 (file)
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -600,6 +600,20 @@ template<class CodeEmitter>
 void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
                                            const TargetInstrDesc *Desc) {
   DEBUG(dbgs() << MI);
+  
+  // If this is a pseudo instruction, lower it.
+  switch (Desc->getOpcode()) {
+  case X86::ADD16rr_DB:   Desc = &II->get(X86::OR16rr); MI.setDesc(*Desc);break;
+  case X86::ADD32rr_DB:   Desc = &II->get(X86::OR32rr); MI.setDesc(*Desc);break;
+  case X86::ADD64rr_DB:   Desc = &II->get(X86::OR64rr); MI.setDesc(*Desc);break;
+  case X86::ADD16ri_DB:   Desc = &II->get(X86::OR16ri); MI.setDesc(*Desc);break;
+  case X86::ADD32ri_DB:   Desc = &II->get(X86::OR32ri); MI.setDesc(*Desc);break;
+  case X86::ADD64ri32_DB:Desc = &II->get(X86::OR64ri32);MI.setDesc(*Desc);break;
+  case X86::ADD16ri8_DB:  Desc = &II->get(X86::OR16ri8);MI.setDesc(*Desc);break;
+  case X86::ADD32ri8_DB:  Desc = &II->get(X86::OR32ri8);MI.setDesc(*Desc);break;
+  case X86::ADD64ri8_DB:  Desc = &II->get(X86::OR64ri8);MI.setDesc(*Desc);break;
+  }
+  
 
   MCE.processDebugLoc(MI.getDebugLoc(), true);