Enable GRF spill/fill space compression by default for 3D

bcheng0127 · igcbot · commit 59b5f5085f8b · 2023-12-14T18:44:59.000+01:00
Remove the heuristic for the 3D
diff --git a/visa/GraphColor.cpp b/visa/GraphColor.cpp
@@ -9824,8 +9824,7 @@ GlobalRA::insertSpillCode(bool enableSpillSpaceCompression,
   if (getIterNo() == 0 && enableSpillSpaceCompression &&
       kernel.getInt32KernelAttr(Attributes::ATTR_Target) == VISA_3D &&
       !hasStackCall) {
-    enableSpillSpaceCompression = spillSpaceCompression(
-        computeSpillSize(coloring.getSpilledLiveRanges()), globalScratchOffset);
+    enableSpillSpaceCompression = true;
   }
 
   startTimer(TimerID::SPILL);

Original file line number	Diff line number	Diff line change
`@@ -9824,8 +9824,7 @@ GlobalRA::insertSpillCode(bool enableSpillSpaceCompression,`
`9824`	`9824`	`if (getIterNo() == 0 && enableSpillSpaceCompression &&`
`9825`	`9825`	`kernel.getInt32KernelAttr(Attributes::ATTR_Target) == VISA_3D &&`
`9826`	`9826`	`!hasStackCall) {`
`9827`		`- enableSpillSpaceCompression = spillSpaceCompression(`
`9828`		`- computeSpillSize(coloring.getSpilledLiveRanges()), globalScratchOffset);`
	`9827`	`+ enableSpillSpaceCompression = true;`
`9829`	`9828`	`}`
`9830`	`9829`
`9831`	`9830`	`startTimer(TimerID::SPILL);`