x64Emitter: Prefer MOVAPS to MOVAPD

There is no reason to use MOVAPD over MOVAPS, for two reasons:
* There has never been a microarchitecture with separate single and double domains.
* MOVAPD is one byte longer than MOVAPS

1 files changed, 6 insertions, 2 deletions

diff --git a/Source/Core/Common/x64Emitter.cpp b/Source/Core/Common/x64Emitter.cpp
index eb756c3793..19a982d1c2 100644
--- a/Source/Core/Common/x64Emitter.cpp
+++ b/Source/Core/Common/x64Emitter.cpp
@@ -2180,7 +2180,11 @@ void XEmitter::MOVAPS(X64Reg regOp, const OpArg& arg)
 }
 void XEmitter::MOVAPD(X64Reg regOp, const OpArg& arg)
 {
-  WriteSSEOp(0x66, sseMOVAPfromRM, regOp, arg);
+  // Prefer MOVAPS to MOVAPD as there is no reason to use MOVAPD over MOVAPS:
+  // - They have equivalent functionality.
+  // - There has never been a microarchitecture with separate single and double domains.
+  // - MOVAPD is one byte longer than MOVAPS.
+  MOVAPS(regOp, arg);
 }
 void XEmitter::MOVAPS(const OpArg& arg, X64Reg regOp)
 {
@@ -2188,7 +2192,7 @@ void XEmitter::MOVAPS(const OpArg& arg, X64Reg regOp)
 }
 void XEmitter::MOVAPD(const OpArg& arg, X64Reg regOp)
 {
-  WriteSSEOp(0x66, sseMOVAPtoRM, regOp, arg);
+  MOVAPS(arg, regOp);
 }
 
 void XEmitter::MOVUPS(X64Reg regOp, const OpArg& arg)