Subzero, MIPS32: Atomic intrinsics fixes

src/IceCfg.cpp

 //===- subzero/src/IceCfg.cpp - Control flow graph implementation ---------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 921 matching lines @@
     // Adjust the size of the allocation up to the next multiple of the
     // object's alignment.
     uint32_t Alignment = std::max(Alloca->getAlignInBytes(), 1u);
     auto *ConstSize =
         llvm::dyn_cast<ConstantInteger32>(Alloca->getSizeInBytes());
     uint32_t Size = Utils::applyAlignment(ConstSize->getValue(), Alignment);
     if (BaseVariableType == BVT_FramePointer) {
       // Addressing is relative to the frame pointer.  Subtract the offset after
       // adding the size of the alloca, because it grows downwards from the
       // frame pointer.
-      Offsets.push_back(-(CurrentOffset + Size));
+      Offsets.push_back(Target->getOffset(CurrentOffset, Size));
     } else {
       // Addressing is relative to the stack pointer or to a user pointer.  Add
       // the offset before adding the size of the object, because it grows
       // upwards from the stack pointer. In addition, if the addressing is
       // relative to the stack pointer, we need to add the pre-computed max out
       // args size bytes.
       const uint32_t OutArgsOffsetOrZero =
           (BaseVariableType == BVT_StackPointer)
               ? getTarget()->maxOutArgsSizeBytes()
               : 0;
@@ skipping 928 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice