Added push and pop instructions.

[oota-llvm.git] / lib / Target / TargetData.cpp

diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index 48fca1ebdf40107147c9e66be5edfcadc6d0b538..20e7522e5036f8fef6c6798ae06108d82d6e7a99 100644 (file)
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -14,6 +14,13 @@
 #include "llvm/DerivedTypes.h"
 #include "llvm/Constants.h"
 
+// Handle the Pass registration stuff neccesary to use TargetData's.
+namespace {
+  // Register the default SparcV9 implementation...
+  RegisterPass<TargetData> X("targetdata", "Target Data Layout");
+}
+
+
 static inline void getTypeInfo(const Type *Ty, const TargetData *TD,
                               uint64_t &Size, unsigned char &Alignment);
 
@@ -74,14 +81,17 @@ Annotation *TargetData::TypeAnFactory(AnnotationID AID, const Annotable *T,
 //===----------------------------------------------------------------------===//
 
 TargetData::TargetData(const std::string &TargetName,
-             unsigned char IntRegSize, unsigned char PtrSize,
-            unsigned char PtrAl, unsigned char DoubleAl,
-            unsigned char FloatAl, unsigned char LongAl, 
-            unsigned char IntAl, unsigned char ShortAl,
-            unsigned char ByteAl)
+                       bool isLittleEndian, unsigned char SubWordSize,
+                       unsigned char IntRegSize, unsigned char PtrSize,
+                       unsigned char PtrAl, unsigned char DoubleAl,
+                       unsigned char FloatAl, unsigned char LongAl, 
+                       unsigned char IntAl, unsigned char ShortAl,
+                       unsigned char ByteAl)
   : AID(AnnotationManager::getID("TargetData::" + TargetName)) {
   AnnotationManager::registerAnnotationFactory(AID, TypeAnFactory, this);
 
+  LittleEndian     = isLittleEndian;
+  SubWordDataSize  = SubWordSize;
   IntegerRegSize   = IntRegSize;
   PointerSize      = PtrSize;
   PointerAlignment = PtrAl;
@@ -157,21 +167,16 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy,
   assert(isa<PointerType>(Ty) && "Illegal argument for getIndexedOffset()");
   uint64_t Result = 0;
 
-  for (unsigned CurIDX = 0; CurIDX < Idx.size(); ++CurIDX) {
-    if (Idx[CurIDX]->getType() == Type::UIntTy) {
+  for (unsigned CurIDX = 0; CurIDX != Idx.size(); ++CurIDX) {
+    if (Idx[CurIDX]->getType() == Type::LongTy) {
       // Update Ty to refer to current element
       Ty = cast<SequentialType>(Ty)->getElementType();
 
       // Get the array index and the size of each array element.
-      // Both must be known constants, or this will fail.
-      // Also, the arrayIdx needs to be sign-extended from uint
-      // to the machine register size if the reg. size > sizeof(uint).
-      uint64_t elementSize = this->getTypeSize(Ty);
-      uint64_t arrayIdx = cast<ConstantUInt>(Idx[CurIDX])->getValue();
-      if (getIntegerRegize() > sizeof(uint)) {
-        arrayIdx = (uint64_t) (int) arrayIdx; // sign-extend from 32 to 64 bits
-      }
-      Result += arrayIdx * elementSize;
+      // Both must be known constants, or the index shd be 0; else this fails.
+      int64_t arrayIdx = cast<ConstantSInt>(Idx[CurIDX])->getValue();
+      Result += arrayIdx == 0? 0
+                : (uint64_t) (arrayIdx * (int64_t) getTypeSize(Ty)); 
 
     } else if (const StructType *STy = dyn_cast<const StructType>(Ty)) {
       assert(Idx[CurIDX]->getType() == Type::UByteTy && "Illegal struct idx");