Landing for pliard@chromium.org: Remove static initializers in v8.

src/lithium.cc

Index: src/lithium.cc
===================================================================
--- src/lithium.cc	(revision 11005)
+++ src/lithium.cc	(working copy)
@@ -94,7 +94,32 @@
   }
 }
 
+#define DEFINE_OPERAND_CACHE(name, type)                      \
+  name* name::cache = NULL;                                   \
+  void name::SetUpCache() {                                   \
+    if (cache) return;                                        \
+    cache = new name[kNumCachedOperands];                     \
+    for (int i = 0; i < kNumCachedOperands; i++) {            \
+      cache[i].ConvertTo(type, i);                            \
+    }                                                         \
+  }                                                           \
 
+DEFINE_OPERAND_CACHE(LConstantOperand, CONSTANT_OPERAND)
+DEFINE_OPERAND_CACHE(LStackSlot,       STACK_SLOT)
+DEFINE_OPERAND_CACHE(LDoubleStackSlot, DOUBLE_STACK_SLOT)
+DEFINE_OPERAND_CACHE(LRegister,        REGISTER)
+DEFINE_OPERAND_CACHE(LDoubleRegister,  DOUBLE_REGISTER)
+
+#undef DEFINE_OPERAND_CACHE
+
+void LOperand::SetUpCaches() {
+  LConstantOperand::SetUpCache();
+  LStackSlot::SetUpCache();
+  LDoubleStackSlot::SetUpCache();
+  LRegister::SetUpCache();
+  LDoubleRegister::SetUpCache();
+}
+
 bool LParallelMove::IsRedundant() const {
   for (int i = 0; i < move_operands_.length(); ++i) {
     if (!move_operands_[i].IsRedundant()) return false;