Jit64: extract frsqrtex as method

dolphin-emu · Nov 7, 2013 · c29fb22 · c29fb22
1 parent 897bec1
commit c29fb22
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Showing 2 changed files with 16 additions and 15 deletions.
diff --git a/Source/Core/Core/Src/PowerPC/Jit64/Jit64_Tables.cpp b/Source/Core/Core/Src/PowerPC/Jit64/Jit64_Tables.cpp
@@ -360,7 +360,7 @@ static GekkoOPTemplate table63_2[] =
 	{22, &Jit64::Default}, //"fsqrtx",   OPTYPE_FPU, FL_RC_BIT_F}},
 	{23, &Jit64::Default}, //"fselx",    OPTYPE_FPU, FL_RC_BIT_F}},
 	{25, &Jit64::fp_arith_s}, //"fmulx",    OPTYPE_FPU, FL_RC_BIT_F}},
-	{26, &Jit64::fp_arith_s}, //"frsqrtex", OPTYPE_FPU, FL_RC_BIT_F}},
+	{26, &Jit64::frsqrtex}, //"frsqrtex", OPTYPE_FPU, FL_RC_BIT_F}},
 	{28, &Jit64::fmaddXX}, //"fmsubx",   OPTYPE_FPU, FL_RC_BIT_F}},
 	{29, &Jit64::fmaddXX}, //"fmaddx",   OPTYPE_FPU, FL_RC_BIT_F}},
 	{30, &Jit64::fmaddXX}, //"fnmsubx",  OPTYPE_FPU, FL_RC_BIT_F}},

diff --git a/Source/Core/Core/Src/PowerPC/Jit64/Jit_FloatingPoint.cpp b/Source/Core/Core/Src/PowerPC/Jit64/Jit_FloatingPoint.cpp
@@ -70,20 +70,6 @@ void Jit64::fp_arith_s(UGeckoInstruction inst)
 		Default(inst); return;
 	}
 
-	if (inst.SUBOP5 == 26) {
-		// frsqrtex
-		int d = inst.FD;
-		int b = inst.FB;
-		fpr.Lock(b, d);
-		fpr.BindToRegister(d, true, true);
-		MOVSD(XMM0, M((void *)&one_const));
-		SQRTSD(XMM1, fpr.R(b));
-		DIVSD(XMM0, R(XMM1));
-		MOVSD(fpr.R(d), XMM0);
-		fpr.UnlockAll();
-		return;
-	}
-
 	if (inst.SUBOP5 != 18 && inst.SUBOP5 != 20 && inst.SUBOP5 != 21 &&
 	    inst.SUBOP5 != 25) {
 		Default(inst); return;
@@ -106,6 +92,21 @@ void Jit64::fp_arith_s(UGeckoInstruction inst)
 	}
 }
 
+void Jit64::frsqrtex(UGeckoInstruction inst)
+{
+       INSTRUCTION_START
+       JITDISABLE(bJITFloatingPointOff)
+       int d = inst.FD;
+       int b = inst.FB;
+       fpr.Lock(b, d);
+       fpr.BindToRegister(d, true, true);
+       MOVSD(XMM0, M((void *)&one_const));
+       SQRTSD(XMM1, fpr.R(b));
+       DIVSD(XMM0, R(XMM1));
+       MOVSD(fpr.R(d), XMM0);
+       fpr.UnlockAll();
+}
+
 void Jit64::fmaddXX(UGeckoInstruction inst)
 {
 	INSTRUCTION_START