[ARM64] Align Compiler::lvaStressLclFldCB padding

Author: sdmaclea

src/jit/codegencommon.cpp

@@ -1684,7 +1684,7 @@ void CodeGen::genAdjustStackLevel(BasicBlock* block)
 #endif // !FEATURE_FIXED_OUT_ARGS
 }
 
-#ifdef _TARGET_ARM_
+#ifdef _TARGET_ARMARCH_
 // return size
 // alignmentWB is out param
 unsigned CodeGenInterface::InferOpSizeAlign(GenTreePtr op, unsigned* alignmentWB)
@@ -1724,19 +1724,22 @@ unsigned CodeGenInterface::InferStructOpSizeAlign(GenTreePtr op, unsigned* align
     {
         CORINFO_CLASS_HANDLE clsHnd = op->AsObj()->gtClass;
         opSize                      = compiler->info.compCompHnd->getClassSize(clsHnd);
-        alignment = roundUp(compiler->info.compCompHnd->getClassAlignmentRequirement(clsHnd), TARGET_POINTER_SIZE);
+        alignment =
+            (unsigned)roundUp(compiler->info.compCompHnd->getClassAlignmentRequirement(clsHnd), TARGET_POINTER_SIZE);
     }
     else if (op->gtOper == GT_LCL_VAR)
     {
         unsigned   varNum = op->gtLclVarCommon.gtLclNum;
         LclVarDsc* varDsc = compiler->lvaTable + varNum;
         assert(varDsc->lvType == TYP_STRUCT);
         opSize = varDsc->lvSize();
+#ifndef _TARGET_64BIT_
         if (varDsc->lvStructDoubleAlign)
         {
             alignment = TARGET_POINTER_SIZE * 2;
         }
         else
+#endif // !_TARGET_64BIT_
         {
             alignment = TARGET_POINTER_SIZE;
         }
@@ -1750,13 +1753,13 @@ unsigned CodeGenInterface::InferStructOpSizeAlign(GenTreePtr op, unsigned* align
             if (op2->IsIconHandle(GTF_ICON_CLASS_HDL))
             {
                 CORINFO_CLASS_HANDLE clsHnd = (CORINFO_CLASS_HANDLE)op2->gtIntCon.gtIconVal;
-                opSize = roundUp(compiler->info.compCompHnd->getClassSize(clsHnd), TARGET_POINTER_SIZE);
-                alignment =
-                    roundUp(compiler->info.compCompHnd->getClassAlignmentRequirement(clsHnd), TARGET_POINTER_SIZE);
+                opSize    = (unsigned)roundUp(compiler->info.compCompHnd->getClassSize(clsHnd), TARGET_POINTER_SIZE);
+                alignment = (unsigned)roundUp(compiler->info.compCompHnd->getClassAlignmentRequirement(clsHnd),
+                                              TARGET_POINTER_SIZE);
             }
             else
             {
-                opSize         = op2->gtIntCon.gtIconVal;
+                opSize         = (unsigned)op2->gtIntCon.gtIconVal;
                 GenTreePtr op1 = op->gtOp.gtOp1;
                 assert(op1->OperGet() == GT_LIST);
                 GenTreePtr dstAddr = op1->gtOp.gtOp1;
@@ -1787,8 +1790,9 @@ unsigned CodeGenInterface::InferStructOpSizeAlign(GenTreePtr op, unsigned* align
     {
         CORINFO_CLASS_HANDLE clsHnd = op->gtArgPlace.gtArgPlaceClsHnd;
         assert(clsHnd != 0);
-        opSize    = roundUp(compiler->info.compCompHnd->getClassSize(clsHnd), TARGET_POINTER_SIZE);
-        alignment = roundUp(compiler->info.compCompHnd->getClassAlignmentRequirement(clsHnd), TARGET_POINTER_SIZE);
+        opSize = (unsigned)roundUp(compiler->info.compCompHnd->getClassSize(clsHnd), TARGET_POINTER_SIZE);
+        alignment =
+            (unsigned)roundUp(compiler->info.compCompHnd->getClassAlignmentRequirement(clsHnd), TARGET_POINTER_SIZE);
     }
     else
     {
@@ -1804,7 +1808,7 @@ unsigned CodeGenInterface::InferStructOpSizeAlign(GenTreePtr op, unsigned* align
     return opSize;
 }
 
-#endif // _TARGET_ARM_
+#endif // _TARGET_ARMARCH_
 
 /*****************************************************************************
  *

src/jit/lclvars.cpp

@@ -7300,13 +7300,13 @@ Compiler::fgWalkResult Compiler::lvaStressLclFldCB(GenTreePtr* pTree, fgWalkData
         // Calculate padding
         unsigned padding = LCL_FLD_PADDING(lclNum);
 
-#ifdef _TARGET_ARM_
-        // We need to support alignment requirements to access memory on ARM
+#ifdef _TARGET_ARMARCH_
+        // We need to support alignment requirements to access memory on ARM ARCH
         unsigned alignment = 1;
         pComp->codeGen->InferOpSizeAlign(lcl, &alignment);
-        alignment = roundUp(alignment, TARGET_POINTER_SIZE);
-        padding   = roundUp(padding, alignment);
-#endif // _TARGET_ARM_
+        alignment = (unsigned)roundUp(alignment, TARGET_POINTER_SIZE);
+        padding   = (unsigned)roundUp(padding, alignment);
+#endif // _TARGET_ARMARCH_
 
         // Change the variable to a TYP_BLK
         if (varType != TYP_BLK)