Changeset 39998 in webkit for trunk/JavaScriptCore/assembler

Timestamp:

Jan 16, 2009, 4:39:01 PM (16 years ago)

Author:

[email protected]

Message:

2009-01-16 Gavin Barraclough <​[email protected]>

Reviewed by Oliver Hunt.

Add support to x86-64 JIT for inline double precision arithmetic ops.
+5/6% on x86-64, JIT enabled, sunspider.

• assembler/MacroAssembler.h: (JSC::MacroAssembler::addPtr):
• assembler/X86Assembler.h: (JSC::X86Assembler::movq_rr):
• jit/JIT.h:
• jit/JITArithmetic.cpp: (JSC::JIT::compileFastArith_op_pre_inc): (JSC::JIT::compileBinaryArithOp): (JSC::JIT::compileBinaryArithOpSlowCase): (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):
• parser/ResultType.h: (JSC::ResultType::isReusable): (JSC::ResultType::isInt32): (JSC::ResultType::definitelyIsNumber): (JSC::ResultType::mightBeNumber): (JSC::ResultType::isNotNumber): (JSC::ResultType::unknownType):

Location:

trunk/JavaScriptCore/assembler

Files:

• MacroAssembler.h (modified) (1 diff)
• X86Assembler.h (modified) (1 diff)

trunk/JavaScriptCore/assembler/MacroAssembler.h

@@ -466 +466 @@
     }
 
+    void addPtr(ImmPtr imm, RegisterID dest)
+    {
+#if PLATFORM(X86_64)
+        move(imm, scratchRegister);
+        m_assembler.addq_rr(scratchRegister, dest);
+#else
+        add32(Imm32(imm), dest);
+#endif
+    }
+
     void addPtr(Imm32 imm, RegisterID src, RegisterID dest)
     {

trunk/JavaScriptCore/assembler/X86Assembler.h

@@ -1096 +1096 @@
 
 #if PLATFORM(X86_64)
+    void movq_rr(XMMRegisterID src, RegisterID dst)
+    {
+        m_formatter.prefix(PRE_SSE_66);
+        m_formatter.twoByteOp64(OP2_MOVD_EdVd, (RegisterID)src, dst);
+    }
+
     void movq_rr(RegisterID src, XMMRegisterID dst)
     {