Changeset 154052 in webkit for trunk/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h

Timestamp:

Aug 14, 2013, 9:51:10 AM (12 years ago)

Author:

[email protected]

Message:

DFG_JIT implementation for sh4 architecture.
​https://bugs.webkit.org/show_bug.cgi?id=119737

Patch by Julien Brianceau <​[email protected]> on 2013-08-14
Reviewed by Oliver Hunt.

Source/JavaScriptCore:

• assembler/MacroAssemblerSH4.h:

(JSC::MacroAssemblerSH4::invert):
(JSC::MacroAssemblerSH4::add32):
(JSC::MacroAssemblerSH4::and32):
(JSC::MacroAssemblerSH4::lshift32):
(JSC::MacroAssemblerSH4::mul32):
(JSC::MacroAssemblerSH4::or32):
(JSC::MacroAssemblerSH4::rshift32):
(JSC::MacroAssemblerSH4::sub32):
(JSC::MacroAssemblerSH4::xor32):
(JSC::MacroAssemblerSH4::store32):
(JSC::MacroAssemblerSH4::swapDouble):
(JSC::MacroAssemblerSH4::storeDouble):
(JSC::MacroAssemblerSH4::subDouble):
(JSC::MacroAssemblerSH4::mulDouble):
(JSC::MacroAssemblerSH4::divDouble):
(JSC::MacroAssemblerSH4::negateDouble):
(JSC::MacroAssemblerSH4::zeroExtend32ToPtr):
(JSC::MacroAssemblerSH4::branchTruncateDoubleToUint32):
(JSC::MacroAssemblerSH4::truncateDoubleToUint32):
(JSC::MacroAssemblerSH4::swap):
(JSC::MacroAssemblerSH4::jump):
(JSC::MacroAssemblerSH4::branchNeg32):
(JSC::MacroAssemblerSH4::branchAdd32):
(JSC::MacroAssemblerSH4::branchMul32):
(JSC::MacroAssemblerSH4::urshift32):

• assembler/SH4Assembler.h:

(JSC::SH4Assembler::SH4Assembler):
(JSC::SH4Assembler::labelForWatchpoint):
(JSC::SH4Assembler::label):
(JSC::SH4Assembler::debugOffset):

• dfg/DFGAssemblyHelpers.h:

(JSC::DFG::AssemblyHelpers::preserveReturnAddressAfterCall):
(JSC::DFG::AssemblyHelpers::restoreReturnAddressBeforeReturn):
(JSC::DFG::AssemblyHelpers::debugCall):

• dfg/DFGCCallHelpers.h:

(JSC::DFG::CCallHelpers::setupArguments):
(JSC::DFG::CCallHelpers::setupArgumentsWithExecState):

• dfg/DFGFPRInfo.h:

(JSC::DFG::FPRInfo::toRegister):
(JSC::DFG::FPRInfo::toIndex):
(JSC::DFG::FPRInfo::debugName):

• dfg/DFGGPRInfo.h:

(JSC::DFG::GPRInfo::toRegister):
(JSC::DFG::GPRInfo::toIndex):
(JSC::DFG::GPRInfo::debugName):

• dfg/DFGOperations.cpp:
• dfg/DFGSpeculativeJIT.h:

(JSC::DFG::SpeculativeJIT::callOperation):

• jit/JITStubs.h:
• jit/JITStubsSH4.h:

Source/WTF:

• wtf/Platform.h:

File:

• trunk/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h

@@ -112 +112 @@
 #endif
 
+#if CPU(SH4)
+    ALWAYS_INLINE void preserveReturnAddressAfterCall(RegisterID reg)
+    {
+        m_assembler.stspr(reg);
+    }
+
+    ALWAYS_INLINE void restoreReturnAddressBeforeReturn(RegisterID reg)
+    {
+        m_assembler.ldspr(reg);
+    }
+
+    ALWAYS_INLINE void restoreReturnAddressBeforeReturn(Address address)
+    {
+        loadPtrLinkReg(address);
+    }
+#endif
+
     void emitGetFromCallFrameHeaderPtr(JSStack::CallFrameHeaderEntry entry, GPRReg to)
     {
@@ -212 +229 @@
         storePtr(TrustedImmPtr(scratchSize), GPRInfo::regT0);
 
-#if CPU(X86_64) || CPU(ARM) || CPU(MIPS)
+#if CPU(X86_64) || CPU(ARM) || CPU(MIPS) || CPU(SH4)
         move(TrustedImmPtr(buffer), GPRInfo::argumentGPR2);
         move(TrustedImmPtr(argument), GPRInfo::argumentGPR1);
         move(GPRInfo::callFrameRegister, GPRInfo::argumentGPR0);
-        GPRReg scratch = selectScratchGPR(GPRInfo::argumentGPR0, GPRInfo::argumentGPR1);
+        GPRReg scratch = selectScratchGPR(GPRInfo::argumentGPR0, GPRInfo::argumentGPR1, GPRInfo::argumentGPR2);
 #elif CPU(X86)
         poke(GPRInfo::callFrameRegister, 0);