Changeset 39960 in webkit for trunk/JavaScriptCore/assembler/MacroAssembler.h

Timestamp:

Jan 15, 2009, 10:51:20 PM (16 years ago)

Author:

[email protected]

Message:

2009-01-15 Gavin Barraclough <​[email protected]>

Reviewed by Oliver Hunt.

Add support for integer addition, subtraction and multiplication
in JIT code on x86-64.

• assembler/MacroAssembler.h: (JSC::MacroAssembler::mul32): (JSC::MacroAssembler::sub32): (JSC::MacroAssembler::joMul32): (JSC::MacroAssembler::joSub32):
• jit/JIT.cpp: (JSC::JIT::privateCompileMainPass): (JSC::JIT::privateCompileSlowCases):
• jit/JIT.h:
• jit/JITArithmetic.cpp: (JSC::JIT::compileFastArith_op_add): (JSC::JIT::compileFastArithSlow_op_add): (JSC::JIT::compileFastArith_op_mul): (JSC::JIT::compileFastArithSlow_op_mul): (JSC::JIT::compileFastArith_op_sub): (JSC::JIT::compileFastArithSlow_op_sub):

File:

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

trunk/JavaScriptCore/assembler/MacroAssembler.h

@@ -575 +575 @@
     }
 
+    void mul32(RegisterID src, RegisterID dest)
+    {
+        m_assembler.imull_rr(src, dest);
+    }
+    
     void mul32(Imm32 imm, RegisterID src, RegisterID dest)
     {
@@ -704 +709 @@
     }
 
+    void sub32(RegisterID src, RegisterID dest)
+    {
+        m_assembler.subl_rr(src, dest);
+    }
+    
     void sub32(Imm32 imm, RegisterID dest)
     {
@@ -1793 +1803 @@
     }
     
+    Jump joMul32(RegisterID src, RegisterID dest)
+    {
+        mul32(src, dest);
+        return Jump(m_assembler.jo());
+    }
+    
     Jump joMul32(Imm32 imm, RegisterID src, RegisterID dest)
     {
         mul32(imm, src, dest);
+        return Jump(m_assembler.jo());
+    }
+    
+    Jump joSub32(RegisterID src, RegisterID dest)
+    {
+        sub32(src, dest);
         return Jump(m_assembler.jo());
     }