Changeset 39039 in webkit for trunk/JavaScriptCore/jit/JIT.cpp

Timestamp:

Dec 5, 2008, 12:39:57 PM (16 years ago)

Author:

[email protected]

Message:

2008-12-05 Gavin Barraclough <​[email protected]>

Reviewed by Geoffrey Garen.

Simplify JIT generated checks for timeout code, by moving more work into the C function.
​https://bugs.webkit.org/show_bug.cgi?id=22688

• interpreter/Interpreter.cpp: (JSC::Interpreter::cti_timeout_check):
• interpreter/Interpreter.h:
• jit/JIT.cpp: (JSC::JIT::emitSlowScriptCheck):

File:

• trunk/JavaScriptCore/jit/JIT.cpp (modified) (1 diff)

trunk/JavaScriptCore/jit/JIT.cpp

@@ -272 +272 @@
     JmpSrc skipTimeout = __ jne();
     emitCTICall(bytecodeIndex, Interpreter::cti_timeout_check);
-
-    emitGetCTIParam(CTI_ARGS_globalData, X86::ecx);
-    __ movl_mr(FIELD_OFFSET(JSGlobalData, interpreter), X86::ecx, X86::ecx);
-    __ movl_mr(FIELD_OFFSET(Interpreter, m_ticksUntilNextTimeoutCheck), X86::ecx, X86::esi);
+    __ movl_rr(X86::eax, X86::esi);
     __ link(skipTimeout, __ label());