[ARM] ps_res implementation.

dolphin-emu · Sep 24, 2013 · 74bc855 · 74bc855
1 parent 3b1b0d3
commit 74bc855
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Showing 3 changed files with 23 additions and 1 deletion.
diff --git a/Source/Core/Core/Src/PowerPC/JitArm32/Jit.h b/Source/Core/Core/Src/PowerPC/JitArm32/Jit.h
@@ -223,6 +223,7 @@ class JitArm : public JitBase, public ArmGen::ARMXCodeBlock
 	// Paired Singles
 	void ps_add(UGeckoInstruction _inst);
 	void ps_div(UGeckoInstruction _inst);
+	void ps_res(UGeckoInstruction _inst);
 	void ps_sum0(UGeckoInstruction _inst);
 	void ps_sum1(UGeckoInstruction _inst);
 	void ps_madd(UGeckoInstruction _inst);

diff --git a/Source/Core/Core/Src/PowerPC/JitArm32/JitArm_Paired.cpp b/Source/Core/Core/Src/PowerPC/JitArm32/JitArm_Paired.cpp
@@ -169,6 +169,27 @@ void JitArm::ps_div(UGeckoInstruction inst)
 	VDIV(vD1, vA1, vB1);
 }
 
+void JitArm::ps_res(UGeckoInstruction inst)
+{
+	INSTRUCTION_START
+	JITDISABLE(bJITPairedOff)
+
+	u32 b = inst.FB, d = inst.FD;
+	if (inst.Rc){
+		Default(inst); return;
+	}
+	ARMReg vB0 = fpr.R0(b);
+	ARMReg vB1 = fpr.R1(b);
+	ARMReg vD0 = fpr.R0(d, false);
+	ARMReg vD1 = fpr.R1(d, false);
+	ARMReg V0 = fpr.GetReg();
+	MOVI2R(V0, 1.0, INVALID_REG); // temp reg not needed for 1.0
+
+	VDIV(vD0, V0, vB0);
+	VDIV(vD1, V0, vB1);
+	fpr.Unlock(V0);
+}
+
 void JitArm::ps_nmadd(UGeckoInstruction inst)
 {
 	INSTRUCTION_START

diff --git a/Source/Core/Core/Src/PowerPC/JitArm32/JitArm_Tables.cpp b/Source/Core/Core/Src/PowerPC/JitArm32/JitArm_Tables.cpp
@@ -153,7 +153,7 @@ static GekkoOPTemplate table4_2[] =
 	{20, &JitArm::ps_sub}, //"ps_sub",    OPTYPE_PS, 0}},
 	{21, &JitArm::ps_add}, //"ps_add",    OPTYPE_PS, 0}},
 	{23, &JitArm::ps_sel}, //"ps_sel",    OPTYPE_PS, 0}},
-	{24, &JitArm::Default}, //"ps_res",    OPTYPE_PS, 0}},
+	{24, &JitArm::ps_res}, //"ps_res",    OPTYPE_PS, 0}},
 	{25, &JitArm::ps_mul}, //"ps_mul",    OPTYPE_PS, 0}},
 	{26, &JitArm::ps_rsqrte}, //"ps_rsqrte", OPTYPE_PS, 0, 1}},
 	{28, &JitArm::ps_msub}, //"ps_msub",   OPTYPE_PS, 0}},