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Unified Diff: src/mips/full-codegen-mips.cc

Issue 816913003: Implement ES6 rest parameters (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix typo in ARM port Created 5 years, 10 months ago
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Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index a78ed4e93cdce4a967cb5460840747d94296c142..b20e15a2171ad3a9cc208d7652a4443a9aad5487 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -249,6 +249,26 @@ void FullCodeGenerator::Generate() {
}
}
+ // Possibly allocate RestParameters
+ int rest_index;
+ Variable* rest_param = scope()->rest_parameter(&rest_index);
+ if (rest_param) {
+ Comment cmnt(masm_, "[ Allocate rest parameter array");
+
+ int num_parameters = info->scope()->num_parameters();
+ int offset = num_parameters * kPointerSize;
+ __ Addu(a3, fp,
+ Operand(StandardFrameConstants::kCallerSPOffset + offset));
+ __ li(a2, Operand(Smi::FromInt(num_parameters)));
+ __ li(a1, Operand(Smi::FromInt(rest_index)));
+ __ Push(a3, a2, a1);
+
+ RestParamAccessStub stub(isolate());
+ __ CallStub(&stub);
+
+ SetVar(rest_param, v0, a1, a2);
+ }
+
Variable* arguments = scope()->arguments();
if (arguments != NULL) {
// Function uses arguments object.
@@ -276,7 +296,7 @@ void FullCodeGenerator::Generate() {
? ArgumentsAccessStub::HAS_NEW_TARGET
: ArgumentsAccessStub::NO_NEW_TARGET;
ArgumentsAccessStub::Type type;
- if (is_strict(language_mode())) {
+ if (is_strict(language_mode()) || !is_simple_parameter_list()) {
type = ArgumentsAccessStub::NEW_STRICT;
} else if (function()->has_duplicate_parameters()) {
type = ArgumentsAccessStub::NEW_SLOPPY_SLOW;
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