Fix NotTest - round up extraStack to the nearest doubleword, if it is

not zero.

llvm-svn: 17728

llvm/lib/Target/SparcV8/README.txt

@@ -13,7 +13,7 @@ SingleSource/Benchmarks (excluding Shootout-C++):
 fldry heapsort objinst Queens chomp misr pi whetstone bigfib
 
 SingleSource/UnitTests:
-C++Catch SimpleC++Test 2002-05-02-ArgumentTest 2002-05-03-NotTest
+C++Catch SimpleC++Test 2002-05-02-ArgumentTest
 2003-05-07-VarArgs 2003-07-09-SignedArgs 2003-08-11-VaListArg
 
 To-do

llvm/lib/Target/SparcV8/SparcV8ISelSimple.cpp

@@ -780,6 +780,8 @@ void V8ISel::visitCallInst(CallInst &I) {
       default: extraStack += 4; break;
     }
   }
+  // Round up extra stack size to the nearest doubleword.
+  if (extraStack) { extraStack = (extraStack + 7) & ~7; }
 
   // Deal with args
   static const unsigned OutgoingArgRegs[] = { V8::O0, V8::O1, V8::O2, V8::O3,