Changes in code.

Author: jaladreips

IGC/common/igc_flags.h

@@ -294,7 +294,6 @@ DECLARE_IGC_REGKEY(bool, EnableGEPLSRAnyIntBitWidth, false, "Experimental: Enabl
 DECLARE_IGC_REGKEY(DWORD, FPRoundingModeCoalescingMaxDistance, 20, "Max distance in instructions for reordering FP instructions with common rounding mode", false)
 DECLARE_IGC_REGKEY(bool, DisableDotAddToDp4aMerge, false, "Disable Dot and Add ops to Dp4a merge optimization.", false)
 DECLARE_IGC_REGKEY(bool, DisableLoopSplitWidePHIs, false, "Disable splitting of loop PHI values to eliminate subvector extract operations", false)
-DECLARE_IGC_REGKEY(bool, DisableInvalidateRTStackAfterLastRead, false, "Disables L1 cache invalidation after the last read of the RT stack. Affects rayqueries only", false)
 
 DECLARE_IGC_GROUP("Shader debugging")
 DECLARE_IGC_REGKEY(bool, CopyA0ToDBG0,                  false, " Copy a0 used for extended msg descriptor to dbg0 to help debug", false)
@@ -915,6 +914,7 @@ DECLARE_IGC_GROUP("Raytracing Options")
     DECLARE_IGC_REGKEY(bool, DisableRayQueryDynamicRayManagementMechanismForBarriers, false, "Disable dynamic ray management mechanism for shaders with barriers", true)
     DECLARE_IGC_REGKEY(bool, EnableOuterLoopHoistingForRayQueryDynamicRayManagementMechanism, false, "Disable dynamic ray management mechanism for shaders with barriers", true)
     DECLARE_IGC_REGKEY(bool, DisableProceedBasedApproachForRayQueryDynamicRayManagementMechanism, false, "Disables proceed based approach for dynamic ray management mechanism", true)
+    DECLARE_IGC_REGKEY(bool, DisableInvalidateRTStackAfterLastRead, true, "Disables L1 cache invalidation after the last read of the RT stack. Affects rayqueries only", true)
     DECLARE_IGC_REGKEY(bool, DisableWideTraceRay, false, "Disable SIMD16 style message payloads for send.rta", true)
     DECLARE_IGC_REGKEY(bool, ForceRTCheckInstanceLeafPtr, true, "Check MemHit::valid before loading GeometryIndex, PrimitiveIndex, etc.", true)
     DECLARE_IGC_REGKEY(DWORD, RTInValidDefaultIndex, 0xFFFFFFFF, "If MemHit::valid is false, the default value to return for some intrinsics like GeometryIndex or PrimitiveIndex etc.", true)