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Unified Diff: src/ia32/builtins-ia32.cc

Issue 1323463005: [Interpreter] Add support for JS calls. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Add MIPS port contributed by akos.palfi@imgtec.com Created 5 years, 3 months ago
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Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 368b649a69ddde0a2b0e647b07cb9a3674c42970..563e7b5034effd22739eb3227a1d0eef615fea14 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -1577,6 +1577,41 @@ void Builtins::Generate_Call(MacroAssembler* masm) {
}
+// static
+void Builtins::Generate_PushArgsAndCall(MacroAssembler* masm) {
+ // ----------- S t a t e -------------
+ // -- eax : the number of arguments (not including the receiver)
+ // -- ebx : the address of the first argument to be pushed. Subsequent
+ // arguments should be consecutive above this, in the same order as
+ // they are to be pushed onto the stack.
+ // -- edi : the target to call (can be any Object).
+
+ // Pop return address to allow tail-call after pushing arguments.
+ __ Pop(edx);
+
+ // Find the address of the last argument.
+ __ mov(ecx, eax);
+ __ add(ecx, Immediate(1)); // Add one for receiver.
+ __ shl(ecx, kPointerSizeLog2);
+ __ neg(ecx);
+ __ add(ecx, ebx);
+
+ // Push the arguments.
+ Label loop_header, loop_check;
+ __ jmp(&loop_check);
+ __ bind(&loop_header);
+ __ Push(Operand(ebx, 0));
+ __ sub(ebx, Immediate(kPointerSize));
+ __ bind(&loop_check);
+ __ cmp(ebx, ecx);
+ __ j(greater, &loop_header, Label::kNear);
+
+ // Call the target.
+ __ Push(edx); // Re-push return address.
+ __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
+}
+
+
void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
// ----------- S t a t e -------------
// -- eax : actual number of arguments
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