Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(196)

Unified Diff: src/full-codegen/arm64/full-codegen-arm64.cc

Issue 1701653002: Revert of [runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/full-codegen/arm/full-codegen-arm.cc ('k') | src/full-codegen/ia32/full-codegen-ia32.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 0a82b86f9b4f53544eb03eaff4d0de4c0d4e8290..54378d006504fd752cfbcedb3218f58b86f998d0 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -281,11 +281,23 @@
if (is_strict(language_mode()) || !has_simple_parameters()) {
FastNewStrictArgumentsStub stub(isolate());
__ CallStub(&stub);
- } else if (literal()->has_duplicate_parameters()) {
- __ Push(x1);
- __ CallRuntime(Runtime::kNewSloppyArguments_Generic);
} else {
- FastNewSloppyArgumentsStub stub(isolate());
+ DCHECK(x1.is(ArgumentsAccessNewDescriptor::function()));
+ // Receiver is just before the parameters on the caller's stack.
+ int num_parameters = info->scope()->num_parameters();
+ int offset = num_parameters * kPointerSize;
+ __ Mov(ArgumentsAccessNewDescriptor::parameter_count(),
+ Smi::FromInt(num_parameters));
+ __ Add(ArgumentsAccessNewDescriptor::parameter_pointer(), fp,
+ StandardFrameConstants::kCallerSPOffset + offset);
+
+ // Arguments to ArgumentsAccessStub:
+ // function, parameter pointer, parameter count.
+ // The stub will rewrite parameter pointer and parameter count if the
+ // previous stack frame was an arguments adapter frame.
+ ArgumentsAccessStub::Type type = ArgumentsAccessStub::ComputeType(
+ literal()->has_duplicate_parameters());
+ ArgumentsAccessStub stub(isolate(), type);
__ CallStub(&stub);
}
« no previous file with comments | « src/full-codegen/arm/full-codegen-arm.cc ('k') | src/full-codegen/ia32/full-codegen-ia32.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698