Changeset 66524 in webkit for trunk/JavaScriptCore/assembler

Timestamp:

Aug 31, 2010, 12:45:08 PM (15 years ago)

Author:

[email protected]

Message:

Support emit_op_mod() for MIPS
​https://bugs.webkit.org/show_bug.cgi?id=42855

Patch by Chao-ying Fu <​[email protected]> on 2010-08-31
Reviewed by Oliver Hunt.

This patch uses MIPS div instructions for op_mod to improve performance.

• assembler/MIPSAssembler.h:

(JSC::MIPSAssembler::div):

• jit/JITArithmetic.cpp:

(JSC::JIT::emit_op_mod):
(JSC::JIT::emitSlow_op_mod):

File:

• trunk/JavaScriptCore/assembler/MIPSAssembler.h (modified) (1 diff)

trunk/JavaScriptCore/assembler/MIPSAssembler.h

@@ -288 +288 @@
     }
 
+    void div(RegisterID rs, RegisterID rt)
+    {
+        emitInst(0x0000001a | (rs << OP_SH_RS) | (rt << OP_SH_RT));
+    }
+
     void mfhi(RegisterID rd)
     {