Don't set GlobalPrefix to the default value.

[oota-llvm.git] / lib / Target / PowerPC / MCTargetDesc / PPCMCExpr.cpp

diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
index b29d6ffc024642759587b94d9547a4130871b87c..d7e84021595ea0c078d9230e756767f304b9095e 100644 (file)
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
@@ -17,9 +17,8 @@ using namespace llvm;
 
 const PPCMCExpr*
 PPCMCExpr::Create(VariantKind Kind, const MCExpr *Expr,
-                       MCContext &Ctx) {
-  int AssemblerDialect = Ctx.getAsmInfo()->getAssemblerDialect();
-  return new (Ctx) PPCMCExpr(Kind, Expr, AssemblerDialect);
+                  bool isDarwin, MCContext &Ctx) {
+  return new (Ctx) PPCMCExpr(Kind, Expr, isDarwin);
 }
 
 void PPCMCExpr::PrintImpl(raw_ostream &OS) const {
@@ -27,6 +26,7 @@ void PPCMCExpr::PrintImpl(raw_ostream &OS) const {
     switch (Kind) {
     default: llvm_unreachable("Invalid kind!");
     case VK_PPC_LO: OS << "lo16"; break;
+    case VK_PPC_HI: OS << "hi16"; break;
     case VK_PPC_HA: OS << "ha16"; break;
     }
 
@@ -39,7 +39,12 @@ void PPCMCExpr::PrintImpl(raw_ostream &OS) const {
     switch (Kind) {
     default: llvm_unreachable("Invalid kind!");
     case VK_PPC_LO: OS << "@l"; break;
+    case VK_PPC_HI: OS << "@h"; break;
     case VK_PPC_HA: OS << "@ha"; break;
+    case VK_PPC_HIGHER: OS << "@higher"; break;
+    case VK_PPC_HIGHERA: OS << "@highera"; break;
+    case VK_PPC_HIGHEST: OS << "@highest"; break;
+    case VK_PPC_HIGHESTA: OS << "@highesta"; break;
     }
   }
 }
@@ -49,7 +54,7 @@ PPCMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
                                      const MCAsmLayout *Layout) const {
   MCValue Value;
 
-  if (!getSubExpr()->EvaluateAsRelocatable(Value, *Layout))
+  if (!Layout || !getSubExpr()->EvaluateAsRelocatable(Value, *Layout))
     return false;
 
   if (Value.isAbsolute()) {
@@ -60,8 +65,23 @@ PPCMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
       case VK_PPC_LO:
         Result = Result & 0xffff;
         break;
+      case VK_PPC_HI:
+        Result = (Result >> 16) & 0xffff;
+        break;
       case VK_PPC_HA:
-        Result = ((Result >> 16) + ((Result & 0x8000) ? 1 : 0)) & 0xffff;
+        Result = ((Result + 0x8000) >> 16) & 0xffff;
+        break;
+      case VK_PPC_HIGHER:
+        Result = (Result >> 32) & 0xffff;
+        break;
+      case VK_PPC_HIGHERA:
+        Result = ((Result + 0x8000) >> 32) & 0xffff;
+        break;
+      case VK_PPC_HIGHEST:
+        Result = (Result >> 48) & 0xffff;
+        break;
+      case VK_PPC_HIGHESTA:
+        Result = ((Result + 0x8000) >> 48) & 0xffff;
         break;
     }
     Res = MCValue::get(Result);
@@ -77,9 +97,24 @@ PPCMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
       case VK_PPC_LO:
         Modifier = MCSymbolRefExpr::VK_PPC_LO;
         break;
+      case VK_PPC_HI:
+        Modifier = MCSymbolRefExpr::VK_PPC_HI;
+        break;
       case VK_PPC_HA:
         Modifier = MCSymbolRefExpr::VK_PPC_HA;
         break;
+      case VK_PPC_HIGHERA:
+        Modifier = MCSymbolRefExpr::VK_PPC_HIGHERA;
+        break;
+      case VK_PPC_HIGHER:
+        Modifier = MCSymbolRefExpr::VK_PPC_HIGHER;
+        break;
+      case VK_PPC_HIGHEST:
+        Modifier = MCSymbolRefExpr::VK_PPC_HIGHEST;
+        break;
+      case VK_PPC_HIGHESTA:
+        Modifier = MCSymbolRefExpr::VK_PPC_HIGHESTA;
+        break;
     }
     Sym = MCSymbolRefExpr::Create(&Sym->getSymbol(), Modifier, Context);
     Res = MCValue::get(Sym, Value.getSymB(), Value.getConstant());