Jit64: Optimize ps_merge01 with Rd == Rb

2023-09-17 11:12:54 +02:00 · 2023-09-17 11:12:54 +02:00 · 8dbbae76de
parent a79fe768e3
commit 8dbbae76de
1 changed files with 6 additions and 1 deletions
--- a/Source/Core/Core/PowerPC/Jit64/Jit_Paired.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit_Paired.cpp
@ -130,7 +130,12 @@ void Jit64::ps_mergeXX(UGeckoInstruction inst)
    avx_op(&XEmitter::VUNPCKLPD, &XEmitter::UNPCKLPD, Rd, Ra, Rb);
    break;  // 00
  case 560:
-    avx_op(&XEmitter::VSHUFPD, &XEmitter::SHUFPD, Rd, Ra, Rb, 2);
+    if (d != b)
+      avx_op(&XEmitter::VSHUFPD, &XEmitter::SHUFPD, Rd, Ra, Rb, 2);
+    else if (Ra.IsSimpleReg())
+      MOVSD(Rd, Ra);
+    else
+      MOVLPD(Rd, Ra);
    break;  // 01
  case 592:
    avx_op(&XEmitter::VSHUFPD, &XEmitter::SHUFPD, Rd, Ra, Rb, 1);