JitArm64: Don't generate the carry if it's not used any more.

2016-02-27 21:12:32 +01:00 · 2016-02-27 21:12:32 +01:00 · 68defb72a3
parent 54c2800bb4
commit 68defb72a3
1 changed files with 6 additions and 0 deletions
--- a/Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
+++ b/Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
@ -50,6 +50,9 @@ void JitArm64::ComputeRC(u64 imm, int crf, bool needs_sext)

 void JitArm64::ComputeCarry(bool Carry)
 {
+	if (!js.op->wantsCA)
+		return;
+
 	if (Carry)
 	{
 		ARM64Reg WA = gpr.GetReg();
@ -64,6 +67,9 @@ void JitArm64::ComputeCarry(bool Carry)

 void JitArm64::ComputeCarry()
 {
+	if (!js.op->wantsCA)
+		return;
+
 	ARM64Reg WA = gpr.GetReg();
 	CSINC(WA, WSP, WSP, CC_CC);
 	STRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca));