Changeset 151174 in webkit for trunk/Source/JavaScriptCore/assembler/SH4Assembler.h

Timestamp:

Jun 4, 2013, 9:59:04 AM (12 years ago)

Author:

[email protected]

Message:

[sh4] Add floating point absolute function support in baseline JIT.
​https://bugs.webkit.org/show_bug.cgi?id=117147

Patch by Julien Brianceau <​[email protected]> on 2013-06-04
Reviewed by Geoffrey Garen.

• assembler/MacroAssemblerSH4.h:

(JSC::MacroAssemblerSH4::supportsFloatingPointAbs):
(JSC::MacroAssemblerSH4::absDouble):

• assembler/SH4Assembler.h:

(JSC::SH4Assembler::dabs):
(JSC::SH4Assembler::printInstr):

File:

• trunk/Source/JavaScriptCore/assembler/SH4Assembler.h (modified) (3 diffs)

trunk/Source/JavaScriptCore/assembler/SH4Assembler.h

@@ -179 +179 @@
     LDSRMFPUL_OPCODE = 0x405a,
     FSTSFPULFRN_OPCODE = 0xf00d,
+    FABS_OPCODE = 0xf05d,
     FSQRT_OPCODE = 0xf06d,
     FSCHG_OPCODE = 0xf3fd,
@@ -958 +959 @@
     }
 
+    void dabs(FPRegisterID dst)
+    {
+        uint16_t opc = getOpcodeGroup7(FABS_OPCODE, dst >> 1);
+        oneShortOp(opc);
+    }
+
     void dsqrt(FPRegisterID dst)
     {
@@ -1837 +1844 @@
             format = "    FTRC FR%d, FPUL\n";
             break;
+        case FABS_OPCODE:
+            format = "    FABS FR%d\n";
+            break;
         case FSQRT_OPCODE:
             format = "    FSQRT FR%d\n";