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Unified Diff: src/ppc/code-stubs-ppc.cc

Issue 1549743003: PPC: Partial revert of rest parameter desugaring. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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Index: src/ppc/code-stubs-ppc.cc
diff --git a/src/ppc/code-stubs-ppc.cc b/src/ppc/code-stubs-ppc.cc
index 02332972961a0ee6ee1600e6b357c2839f83ae79..afdd68eac6c1aef32dd7c4822633c6ec192f33f3 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -1987,6 +1987,32 @@ void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) {
}
+void RestParamAccessStub::GenerateNew(MacroAssembler* masm) {
+ // Stack layout on entry.
+ // sp[0] : language mode
+ // sp[4] : index of rest parameter
+ // sp[8] : number of parameters
+ // sp[12] : receiver displacement
+
+ Label runtime;
+ __ LoadP(r5, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ LoadP(r6, MemOperand(r5, StandardFrameConstants::kContextOffset));
+ __ CmpSmiLiteral(r6, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
+ __ bne(&runtime);
+
+ // Patch the arguments.length and the parameters pointer.
+ __ LoadP(r4, MemOperand(r5, ArgumentsAdaptorFrameConstants::kLengthOffset));
+ __ StoreP(r4, MemOperand(sp, 2 * kPointerSize));
+ __ SmiToPtrArrayOffset(r0, r4);
+ __ add(r6, r5, r0);
+ __ addi(r6, r6, Operand(StandardFrameConstants::kCallerSPOffset));
+ __ StoreP(r6, MemOperand(sp, 3 * kPointerSize));
+
+ __ bind(&runtime);
+ __ TailCallRuntime(Runtime::kNewRestParam, 4, 1);
+}
+
+
void RegExpExecStub::Generate(MacroAssembler* masm) {
// Just jump directly to runtime if native RegExp is not selected at compile
// time or if regexp entry in generated code is turned off runtime switch or
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