Revert earlier unnecessary hack. Make sure we correctly force on 64bit and cmov...

[oota-llvm.git] / lib / MC / MCStreamer.cpp

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 881bc8eabaeea7d9bbab3290e9e18e80364def42..ae3ed0f3f61ae03dcd44223300e570cb7dee3d8d 100644 (file)
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -15,6 +15,7 @@
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
 #include <cstdlib>
@@ -80,9 +81,11 @@ void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size,
   assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) &&
          "Invalid size");
   char buf[8];
-  // FIXME: Endianness assumption.
-  for (unsigned i = 0; i != Size; ++i)
-    buf[i] = uint8_t(Value >> (i * 8));
+  const bool isLittleEndian = Context.getTargetAsmInfo().isLittleEndian();
+  for (unsigned i = 0; i != Size; ++i) {
+    unsigned index = isLittleEndian ? i : (Size - i - 1);
+    buf[i] = uint8_t(Value >> (index * 8));
+  }
   EmitBytes(StringRef(buf, Size), AddrSpace);
 }
 
@@ -385,7 +388,9 @@ void MCStreamer::EmitWin64EHHandlerData() {
 void MCStreamer::EmitWin64EHPushReg(unsigned Register) {
   EnsureValidW64UnwindInfo();
   MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
-  MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Register);
+  MCSymbol *Label = getContext().CreateTempSymbol();
+  MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Label, Register);
+  EmitLabel(Label);
   CurFrame->Instructions.push_back(Inst);
 }
 
@@ -396,7 +401,7 @@ void MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) {
     report_fatal_error("Frame register and offset already specified!");
   if (Offset & 0x0F)
     report_fatal_error("Misaligned frame pointer offset!");
-  MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Register, Offset);
+  MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, NULL, Register, Offset);
   CurFrame->LastFrameInst = CurFrame->Instructions.size();
   CurFrame->Instructions.push_back(Inst);
 }
@@ -406,7 +411,9 @@ void MCStreamer::EmitWin64EHAllocStack(unsigned Size) {
   if (Size & 7)
     report_fatal_error("Misaligned stack allocation!");
   MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
-  MCWin64EHInstruction Inst(Size);
+  MCSymbol *Label = getContext().CreateTempSymbol();
+  MCWin64EHInstruction Inst(Label, Size);
+  EmitLabel(Label);
   CurFrame->Instructions.push_back(Inst);
 }
 
@@ -415,9 +422,11 @@ void MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) {
   if (Offset & 7)
     report_fatal_error("Misaligned saved register offset!");
   MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
+  MCSymbol *Label = getContext().CreateTempSymbol();
   MCWin64EHInstruction Inst(
      Offset > 512*1024-8 ? Win64EH::UOP_SaveNonVolBig : Win64EH::UOP_SaveNonVol,
-                            Register, Offset);
+                            Label, Register, Offset);
+  EmitLabel(Label);
   CurFrame->Instructions.push_back(Inst);
 }
 
@@ -426,9 +435,11 @@ void MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) {
   if (Offset & 0x0F)
     report_fatal_error("Misaligned saved vector register offset!");
   MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
+  MCSymbol *Label = getContext().CreateTempSymbol();
   MCWin64EHInstruction Inst(
     Offset > 512*1024-16 ? Win64EH::UOP_SaveXMM128Big : Win64EH::UOP_SaveXMM128,
-                            Register, Offset);
+                            Label, Register, Offset);
+  EmitLabel(Label);
   CurFrame->Instructions.push_back(Inst);
 }
 
@@ -437,7 +448,9 @@ void MCStreamer::EmitWin64EHPushFrame(bool Code) {
   MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
   if (CurFrame->Instructions.size() > 0)
     report_fatal_error("If present, PushMachFrame must be the first UOP");
-  MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Code);
+  MCSymbol *Label = getContext().CreateTempSymbol();
+  MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Label, Code);
+  EmitLabel(Label);
   CurFrame->Instructions.push_back(Inst);
 }