Changeset 127148 in webkit for trunk/Source/JavaScriptCore/assembler/MacroAssemblerSH4.h

Timestamp:

Aug 30, 2012, 9:03:47 AM (13 years ago)

Author:

[email protected]

Message:

[sh4] Add missing implementation for JavaScriptCore JIT
​https://bugs.webkit.org/show_bug.cgi?id=95452

Patch by Julien BRIANCEAU <​[email protected]> on 2012-08-30
Reviewed by Oliver Hunt.

• assembler/MacroAssemblerSH4.h:

(JSC::MacroAssemblerSH4::isCompactPtrAlignedAddressOffset):
(MacroAssemblerSH4):
(JSC::MacroAssemblerSH4::add32):
(JSC::MacroAssemblerSH4::convertibleLoadPtr):

• assembler/SH4Assembler.h:

(JSC::SH4Assembler::labelIgnoringWatchpoints):
(SH4Assembler):
(JSC::SH4Assembler::replaceWithLoad):
(JSC::SH4Assembler::replaceWithAddressComputation):

File:

• trunk/Source/JavaScriptCore/assembler/MacroAssemblerSH4.h (modified) (3 diffs)

trunk/Source/JavaScriptCore/assembler/MacroAssemblerSH4.h

@@ -48 +48 @@
     static const int MaximumCompactPtrAlignedAddressOffset = 60;
 
+    static bool isCompactPtrAlignedAddressOffset(ptrdiff_t value)
+    {
+        return (value >= 0) && (value <= MaximumCompactPtrAlignedAddressOffset);
+    }
+
     enum RelationalCondition {
         Equal = SH4Assembler::EQ,
@@ -139 +144 @@
     }
 
+    void add32(AbsoluteAddress src, RegisterID dest)
+    {
+        RegisterID scr = claimScratch();
+        load32(src.m_ptr, scr);
+        m_assembler.addlRegReg(scr, dest);
+        releaseScratch(scr);
+    }
+
     void and32(RegisterID src, RegisterID dest)
     {
@@ -873 +886 @@
         m_assembler.movlMemRegCompact(address.offset >> 2, address.base, dest);
         return dataLabel;
+    }
+
+    ConvertibleLoadLabel convertibleLoadPtr(Address address, RegisterID dest)
+    {
+        ConvertibleLoadLabel result(this);
+
+        RegisterID scr = claimScratch();
+        m_assembler.movImm8(address.offset, scr);
+        m_assembler.addlRegReg(address.base, scr);
+        m_assembler.movlMemReg(scr, dest);
+        releaseScratch(scr);
+
+        return result;
     }