indirect send update

indirect send update

Author: bcheng0127

visa/Optimizer.cpp

@@ -828,11 +828,6 @@ void Optimizer::s0SubAfterRA() {
     return;
   }
 
-  // for 512 GRF mode, indirect-send is forbidden
-  if (builder.kernel.getNumRegTotal() == 512) {
-    return;
-  }
-
   kernel.fg.resetLocalDataFlowData();
   kernel.fg.localDataFlowAnalysis();
 

visa/Passes/SRSubstitution.cpp

@@ -478,6 +478,7 @@ bool SRSubPassBeforeRA::isSRCandidateBeforeRA(G4_INST *inst,
     return false;
   }
 
+
   int movInstNum = 0;
   int32_t firstDefID = 0x7FFFFFFF; // the ID of the first instruction define the
   std::vector<std::pair<Gen4_Operand_Number, unsigned>> notRemoveableMap;
@@ -582,17 +583,18 @@ bool SRSubPassBeforeRA::isSRCandidateBeforeRA(G4_INST *inst,
     //if opndNum + offset is defined multiple times, cannobe be removed
     G4_Operand *dst = movInst->getDst();
     unsigned offset = dst->getLeftBound() / builder.getGRFSize();
-    Gen4_Operand_Number opndNum =
-        (*I).second; // The source opndNum of send instruction which was defined
+    // The source opndNum of send instruction which was defined
+    Gen4_Operand_Number opndNum = (*I).second;
+
     if (isRemoveAble(movInst)) {
       auto iter = std::find_if(
           dstSrcRegs.dstSrcMap.begin(), dstSrcRegs.dstSrcMap.end(),
                             [opndNum, offset](regMapBRA regmap) {
                               return regmap.opndNum == opndNum &&
                                      regmap.offset == offset;
                             });
-      if (iter !=
-          dstSrcRegs.dstSrcMap.end()) { // multiple define, cannot be removed
+      // if multiple defined, cannot be removed
+      if (iter != dstSrcRegs.dstSrcMap.end()) {
         notRemoveableMap.push_back(std::make_pair(opndNum, offset));
       } else {
         G4_Operand *src = movInst->getSrc(0);