Hoist func Call.

Author: DeepakRajendrakumaran

src/coreclr/jit/lsra.cpp

@@ -281,11 +281,18 @@ void LinearScan::updateNextFixedRef(RegRecord* regRecord, RefPosition* nextRefPo
     LsraLocation nextLocation = nextRefPosition == nullptr ? MaxLocation : nextRefPosition->nodeLocation;
 
     RefPosition* kill = nextKill;
+
+#ifdef HAS_MORE_THAN_64_REGISTERS
+    SingleTypeRegSet regMask = isLow ? genSingleTypeRegMask(regRecord->regNum)
+                                     : genSingleTypeRegMask((regNumber)(regRecord->regNum - REG_HIGH_BASE));
+#else
+    SingleTypeRegSet regMask = genSingleTypeRegMask(regRecord->regNum);
+#endif
     while ((kill != nullptr) && (kill->nodeLocation < nextLocation))
     {
         if (isLow)
         {
-            if ((kill->killedRegisters.getLow() & genSingleTypeRegMask(regRecord->regNum)) != RBM_NONE)
+            if ((kill->killedRegisters.getLow() & regMask) != RBM_NONE)
             {
                 nextLocation = kill->nodeLocation;
                 break;
@@ -294,8 +301,7 @@ void LinearScan::updateNextFixedRef(RegRecord* regRecord, RefPosition* nextRefPo
 #ifdef HAS_MORE_THAN_64_REGISTERS
         else
         {
-            if ((kill->killedRegisters.getHigh() &
-                 genSingleTypeRegMask((regNumber)(regRecord->regNum - REG_HIGH_BASE))) != RBM_NONE)
+            if ((kill->killedRegisters.getHigh() & regMask) != RBM_NONE)
             {
                 nextLocation = kill->nodeLocation;
                 break;
@@ -309,23 +315,23 @@ void LinearScan::updateNextFixedRef(RegRecord* regRecord, RefPosition* nextRefPo
     {
         if (nextLocation == MaxLocation)
         {
-            fixedRegsLow &= ~genSingleTypeRegMask(regRecord->regNum);
+            fixedRegsLow &= ~regMask;
         }
         else
         {
-            fixedRegsLow |= genSingleTypeRegMask(regRecord->regNum);
+            fixedRegsLow |= regMask;
         }
     }
 #ifdef HAS_MORE_THAN_64_REGISTERS
     else
     {
         if (nextLocation == MaxLocation)
         {
-            fixedRegsHigh &= ~genSingleTypeRegMask((regNumber)(regRecord->regNum - REG_HIGH_BASE));
+            fixedRegsHigh &= ~regMask;
         }
         else
         {
-            fixedRegsHigh |= genSingleTypeRegMask((regNumber)(regRecord->regNum - REG_HIGH_BASE));
+            fixedRegsHigh |= regMask;
         }
     }
 #endif