Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(219)

Unified Diff: src/builtins/arm64/builtins-arm64.cc

Issue 2788033002: [es2015] Simplify contract between parser and stub for derived constructors. (Closed)
Patch Set: Manual register allocation... Created 3 years, 9 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/builtins/arm/builtins-arm.cc ('k') | src/builtins/ia32/builtins-ia32.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/builtins/arm64/builtins-arm64.cc
diff --git a/src/builtins/arm64/builtins-arm64.cc b/src/builtins/arm64/builtins-arm64.cc
index 0612ae2ce96c0f6b4eaa71eb91b28a264c8c95a0..1f0b4f7185ba67c6db7f30026993a955fac57677 100644
--- a/src/builtins/arm64/builtins-arm64.cc
+++ b/src/builtins/arm64/builtins-arm64.cc
@@ -598,8 +598,11 @@ void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
// Check that the result is not a Smi, indicating that the constructor result
// from a derived class is neither undefined nor an Object.
if (check_derived_construct) {
- Label dont_throw;
- __ JumpIfNotSmi(x0, &dont_throw);
+ Label do_throw, dont_throw;
+ __ JumpIfSmi(x0, &do_throw);
+ STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
+ __ JumpIfObjectType(x0, x3, x3, FIRST_JS_RECEIVER_TYPE, &dont_throw, ge);
+ __ Bind(&do_throw);
{
FrameScope scope(masm, StackFrame::INTERNAL);
__ CallRuntime(Runtime::kThrowDerivedConstructorReturnedNonObject);
« no previous file with comments | « src/builtins/arm/builtins-arm.cc ('k') | src/builtins/ia32/builtins-ia32.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698