Reviewers: sanjoy, danno, Paul Lind, kisg,
Description:
MIPS: Optimize functions on a second thread.
Port r12148 (a553c67d)
BUG=
TEST=
Please review this at https://chromiumcodereview.appspot.com/10802079/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/mips/builtins-mips.cc
Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index
5a2074e6523566837917c4a97b532f9ee94623bf..93ba3a0098876362d52b1617990cd06e5f244799
100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -713,6 +713,43 @@ void
Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
}
+static void GenerateTailCallToSharedCode(MacroAssembler* masm) {
+ __ lw(a2, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
+ __ lw(a2, FieldMemOperand(a2, SharedFunctionInfo::kCodeOffset));
+ __ Addu(at, a2, Operand(Code::kHeaderSize - kHeapObjectTag));
+ __ Jump(at);
+}
+
+
+void Builtins::Generate_InRecompileQueue(MacroAssembler* masm) {
+ GenerateTailCallToSharedCode(masm);
+}
+
+
+void Builtins::Generate_ParallelRecompile(MacroAssembler* masm) {
+ {
+ FrameScope scope(masm, StackFrame::INTERNAL);
+
+ // Push a copy of the function onto the stack.
+ __ push(a1);
+ // Push call kind information.
+ __ push(t1);
+
+ __ push(a1); // Function is also the parameter to the runtime call.
+ __ CallRuntime(Runtime::kParallelRecompile, 1);
+
+ // Restore call kind information.
+ __ pop(t1);
+ // Restore receiver.
+ __ pop(a1);
+
+ // Tear down internal frame.
+ }
+
+ GenerateTailCallToSharedCode(masm);
+}
+
+
static void Generate_JSConstructStubHelper(MacroAssembler* masm,
bool is_api_function,
bool count_constructions) {
--
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