PPCFP: add comment

2014-08-26 09:08:22 -07:00 · 2014-08-26 09:08:22 -07:00 · 288babf414
parent 44ee2f20b9
commit 288babf414
1 changed files with 2 additions and 0 deletions
--- a/Source/Core/Core/PowerPC/JitCommon/Jit_Util.cpp
+++ b/Source/Core/Core/PowerPC/JitCommon/Jit_Util.cpp
@ -654,6 +654,8 @@ void EmuCodeBlock::ConvertDoubleToSingle(X64Reg dst, X64Reg src)
 	MOVSS(dst, M(&temp32));

 	SetJumpTarget(continue1);
+	// We'd normally need to MOVDDUP here to put the single in the top half of the output register too, but
+	// this function is only used to go directly to a following store, so we omit the MOVDDUP here.
 }
 #endif // MORE_ACCURATE_DOUBLETOSINGLE