Changeset 55615 in webkit for trunk/JavaScriptCore/jit/JITOpcodes.cpp

Timestamp:

Mar 6, 2010, 3:31:15 AM (15 years ago)

Author:

[email protected]

Message:

2010-03-06 Patrick Gansterer <​[email protected]>

Reviewed by Eric Seidel.

Implemented JIT_OPTIMIZE_NATIVE_CALL for WinCE
​https://bugs.webkit.org/show_bug.cgi?id=33426

• jit/JITOpcodes.cpp: (JSC::JIT::privateCompileCTIMachineTrampolines):

File:

• trunk/JavaScriptCore/jit/JITOpcodes.cpp (modified) (6 diffs)

trunk/JavaScriptCore/jit/JITOpcodes.cpp

@@ -1 +1 @@
 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 Patrick Gansterer <[email protected]>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -283 +284 @@
     // stack: this(JSValue) and a pointer to ArgList
 
+#if OS(WINCE)
+    // Setup arg4:
+    push(stackPointerRegister);
+
+    // Setup arg3:
+    // regT1 currently points to the first argument, regT1-sizeof(Register) points to 'this'
+    load32(Address(regT1, -(int32_t)sizeof(void*) * 2), ARMRegisters::r3);
+    push(ARMRegisters::r3);
+    load32(Address(regT1, -(int32_t)sizeof(void*)), regT3);
+    storePtr(regT3, Address(stackPointerRegister));
+
+    // Setup arg2:
+    emitGetFromCallFrameHeaderPtr(RegisterFile::Callee, regT2);
+
+    // Setup arg1:
+    move(callFrameRegister, regT1);
+
+    // Setup arg0:
+    move(stackPointerRegister, regT0);
+
+    call(Address(regT2, OBJECT_OFFSETOF(JSFunction, m_data)));
+
+    load32(Address(stackPointerRegister, 0), regT0);
+    load32(Address(stackPointerRegister, 4), regT1);
+
+    addPtr(Imm32(sizeof(ArgList) + 8), stackPointerRegister);
+#else // OS(WINCE)
     move(stackPointerRegister, regT3);
     subPtr(Imm32(8), stackPointerRegister);
@@ -291 +319 @@
     storePtr(regT3, Address(stackPointerRegister, 8));
 
-    // Setup arg3
+    // Setup arg3:
     // regT1 currently points to the first argument, regT1-sizeof(Register) points to 'this'
     load32(Address(regT1, -(int32_t)sizeof(void*) * 2), regT3);
@@ -311 +339 @@
 
     addPtr(Imm32(sizeof(ArgList) + 16 + 8), stackPointerRegister);
+#endif // OS(WINCE)
+
 #endif
 
@@ -1765 +1795 @@
     storePtr(regT1, Address(stackPointerRegister, OBJECT_OFFSETOF(ArgList, m_args)));
 
-    // Setup arg3: regT1 currently points to the first argument, regT1-sizeof(Register) points to 'this'
+    // regT1 currently points to the first argument, regT1-sizeof(Register) points to 'this'
+
+#if OS(WINCE)
+    // Setup arg3:
+    loadPtr(Address(regT1, -(int32_t)sizeof(Register)), ARMRegisters::r3);
+
+    // Setup arg2:
+    emitGetFromCallFrameHeaderPtr(RegisterFile::Callee, regT2);
+
+    // Setup arg1:
+    move(callFrameRegister, regT1);
+
+    // Setup arg0:
+    move(stackPointerRegister, regT0);
+    subPtr(Imm32(sizeof(Register)), stackPointerRegister);
+    storePtr(regT0, Address(stackPointerRegister));
+
+    call(Address(regT2, OBJECT_OFFSETOF(JSFunction, m_data)));
+
+    loadPtr(Address(regT0), regT0);
+
+    addPtr(Imm32(sizeof(Register) + sizeof(ArgList)), stackPointerRegister);
+#else // OS(WINCE)
+    // Setup arg3:
     loadPtr(Address(regT1, -(int32_t)sizeof(Register)), regT2);
 
@@ -1780 +1833 @@
 
     addPtr(Imm32(sizeof(ArgList)), stackPointerRegister);
+#endif // OS(WINCE)
 
 #elif ENABLE(JIT_OPTIMIZE_NATIVE_CALL)