SWSB update

Author: bcheng0127

IGC/Compiler/CISACodeGen/CISABuilder.cpp

@@ -4126,6 +4126,11 @@ namespace IGC
             SaveOption(vISA_SWSBStitch, true);
         }
 
+        if (IGC_IS_FLAG_ENABLED(DisableRegDistDep))
+        {
+            SaveOption(vISA_disableRegDistDep, true);
+        }
+
         if (IGC_IS_FLAG_ENABLED(EnableForceDebugSWSB) ||
             IGC_IS_FLAG_ENABLED(EnableSWSBInstStall) ||
             IGC_IS_FLAG_ENABLED(EnableSWSBTokenBarrier))

IGC/common/igc_flags.def

@@ -76,6 +76,7 @@ DECLARE_IGC_REGKEY(DWORD,SWSBTokenNum,                  0,     "Total tokens use
 DECLARE_IGC_REGKEY(bool, EnableGroupScheduleForBC,      false,  "Enable bank conflict reduction in scheduling.", true)
 DECLARE_IGC_REGKEY(bool, EnableIGASWSB,                 false,  "Use IGA for SWSB", true)
 DECLARE_IGC_REGKEY(bool, EnableSWSBStitch,                 false,  "Insert dependence resolve for kernel stitching", true)
+DECLARE_IGC_REGKEY(bool, DisableRegDistDep,                 false,  "distable regDist dependence", true)
 DECLARE_IGC_REGKEY(bool, EnableQuickTokenAlloc,                 false,  "Insert dependence resolve for kernel stitching", true)
 DECLARE_IGC_REGKEY(bool, SetA0toTdrForSendc,            false,  "Set A0 to tdr0 before each sendc/sendsc", true)
 DECLARE_IGC_REGKEY(bool, ReplaceIndirectCallWithJmpi,   false,  "Replace indirect call with jmpi instruction (HW WA)", true)

visa/Gen4_IR.hpp

@@ -606,7 +606,7 @@ typedef struct _SWSBInfo
 
 protected:
     //unsigned char depDistance = 0;
-    bool operandTypeIndicated = true;
+    bool operandTypeIndicated = false;
     bool isClosestALUType_ = false;
 
     SWSBInfo  swsb;

visa/include/VISAOptions.def

@@ -254,6 +254,7 @@ DEF_VISA_OPTION(vISA_noSendSrcDstOverlap,           ET_BOOL,  "-noSendSrcDstOver
 DEF_VISA_OPTION(vISA_cloneSampleInst,               ET_BOOL,  "-cloneSampleInst", UNUSED, false)
 DEF_VISA_OPTION(vISA_cloneEvaluateSampleInst,       ET_BOOL,  "-cloneEvaluateSampleInst", UNUSED, false)
 DEF_VISA_OPTION(vISA_expandMulPostSchedule,         ET_BOOL,  "-expandMulPostSchedule", UNUSED, true)
+DEF_VISA_OPTION(vISA_disableRegDistDep,         ET_BOOL,  "-disableRegDistDep", UNUSED, false)
 
 //=== HW debugging options ===
 DEF_VISA_OPTION(vISA_GenerateDebugInfo,   ET_BOOL,  "-generateDebugInfo", UNUSED, false)