[llvm-commits] CVS: llvm/lib/ExecutionEngine/ExecutionEngine.cpp

[Chris Lattner]

Changes in directory llvm/lib/ExecutionEngine:

ExecutionEngine.cpp updated: 1.47 -> 1.48

---
Log message:

Make the JIT zero out globals with memset instead of an element at a time.  This
should speed it up a bit on a lot of programs


---
Diffs of the changes:  (+4 -0)

Index: llvm/lib/ExecutionEngine/ExecutionEngine.cpp
diff -u llvm/lib/ExecutionEngine/ExecutionEngine.cpp:1.47 llvm/lib/ExecutionEngine/ExecutionEngine.cpp:1.48
--- llvm/lib/ExecutionEngine/ExecutionEngine.cpp:1.47	Sun Feb  8 13:33:23 2004
+++ llvm/lib/ExecutionEngine/ExecutionEngine.cpp	Sat Feb 14 23:54:06 2004
@@ -406,6 +406,10 @@
     GenericValue Val = getConstantValue(Init);
     StoreValueToMemory(Val, (GenericValue*)Addr, Init->getType());
     return;
+  } else if (isa<ConstantAggregateZero>(Init)) {
+    unsigned Size = getTargetData().getTypeSize(Init->getType());
+    memset(Addr, 0, Size);
+    return;
   }
 
   switch (Init->getType()->getPrimitiveID()) {