Changeset 231160 in webkit for trunk/Source/JavaScriptCore/dfg/DFGDriver.cpp

Timestamp:

Apr 30, 2018, 11:02:08 AM (7 years ago)

Author:

Yusuke Suzuki

Message:

[JSC] Remove arity fixup check if the number of parameters is 1
​https://bugs.webkit.org/show_bug.cgi?id=183984

Reviewed by Mark Lam.

If the number of parameters is one (|this|), we never hit arity fixup check.
We do not need to emit arity fixup check code.

• dfg/DFGDriver.cpp:

(JSC::DFG::compileImpl):

• dfg/DFGJITCompiler.cpp:

(JSC::DFG::JITCompiler::compileFunction):

• dfg/DFGJITCompiler.h:
• ftl/FTLLink.cpp:

(JSC::FTL::link):

• jit/JIT.cpp:

(JSC::JIT::compileWithoutLinking):

File:

• trunk/Source/JavaScriptCore/dfg/DFGDriver.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/dfg/DFGDriver.cpp

@@ -90 +90 @@
     // Make sure that any stubs that the DFG is going to use are initialized. We want to
     // make sure that all JIT code generation does finalization on the main thread.
+    vm.getCTIStub(arityFixupGenerator);
     vm.getCTIStub(osrExitThunkGenerator);
     vm.getCTIStub(osrExitGenerationThunkGenerator);