two bank allocation works only for platform with low/high bundle.

bcheng0127 · sys_zuul · commit d94f02ace439 · 2020-07-09T13:58:07.000-07:00
Change-Id: I8811226e5da77608268ac5e9ed6fbae0c8295555
diff --git a/visa/LocalRA.cpp b/visa/LocalRA.cpp
@@ -298,13 +298,13 @@ void LocalRA::trivialAssignRA(bool& needGlobalRA, bool threeSourceCandidate)
     {
         std::cout << "\t--trivial RA\n";
     }
-    if (builder.oneGRFBankDivision())
+    if (builder.lowHighBundle())
     {
         needGlobalRA = assignUniqueRegisters(threeSourceCandidate, true);
     }
     else
     {
-        needGlobalRA = assignUniqueRegisters(threeSourceCandidate, highInternalConflict);
+        needGlobalRA = assignUniqueRegisters(threeSourceCandidate, false);
     }
 
 
@@ -476,7 +476,6 @@ bool LocalRA::localRA()
     {
         doBCR = true;
     }
-
     // Local RA passes:
     // RR+BC --> FF+BC -->FF-->Hybrids
     // or

Original file line number	Diff line number	Diff line change
`@@ -298,13 +298,13 @@ void LocalRA::trivialAssignRA(bool& needGlobalRA, bool threeSourceCandidate)`
`298`	`298`	`{`
`299`	`299`	`std::cout << "\t--trivial RA\n";`
`300`	`300`	`}`
`301`		`- if (builder.oneGRFBankDivision())`
	`301`	`+ if (builder.lowHighBundle())`
`302`	`302`	`{`
`303`	`303`	`needGlobalRA = assignUniqueRegisters(threeSourceCandidate, true);`
`304`	`304`	`}`
`305`	`305`	`else`
`306`	`306`	`{`
`307`		`- needGlobalRA = assignUniqueRegisters(threeSourceCandidate, highInternalConflict);`
	`307`	`+ needGlobalRA = assignUniqueRegisters(threeSourceCandidate, false);`
`308`	`308`	`}`
`309`	`309`
`310`	`310`
`@@ -476,7 +476,6 @@ bool LocalRA::localRA()`
`476`	`476`	`{`
`477`	`477`	`doBCR = true;`
`478`	`478`	`}`
`479`		`-`
`480`	`479`	`// Local RA passes:`
`481`	`480`	`// RR+BC --> FF+BC -->FF-->Hybrids`
`482`	`481`	`// or`