Changes in code.

Author: jjarzabe

IGC/Compiler/CISACodeGen/CISABuilder.cpp

@@ -3944,6 +3944,10 @@ namespace IGC
             }
         }
 
+        if (context->type == ShaderType::COMPUTE_SHADER && context->getModuleMetaData()->csInfo.forceSpillCompression)
+        {
+            params.push_back(param_uptr("-forcespillcompression", literal_deleter));
+        }
         // Ensure VISA_Opts has the same scope as CreateVISABuilder so that valid
         // strings are checked by vISA and freed out of this function.
         if (IGC_IS_FLAG_ENABLED(VISAOptions))

IGC/common/MDFrameWork.h

@@ -469,6 +469,7 @@ namespace IGC
         unsigned int forceTotalGRFNum = 0; // 0 means not forced
         unsigned int VISAPreSchedRPThreshold = 0; // 0 means use the default
         unsigned int SetLoopUnrollThreshold = 0; // 0 means use the default
+        bool forceSpillCompression = false;
         bool allowLowerSimd = false;
         bool disableSimd32Slicing = false;
         bool disableSplitOnSpill = false;