Jit64: Don't use PEXT in DoubleToSingle on AMD Zen

This was causing severe slowdown in some games.
2020-01-26 17:59:56 -05:00 · 2020-01-26 17:59:56 -05:00 · a106c99826
parent 185e49d2a9
commit a106c99826
1 changed files with 1 additions and 1 deletions
--- a/Source/Core/Core/PowerPC/Jit64Common/Jit64AsmCommon.cpp
+++ b/Source/Core/Core/PowerPC/Jit64Common/Jit64AsmCommon.cpp
@ -68,7 +68,7 @@ void CommonAsmRoutines::GenConvertDoubleToSingle()

  // Don't Denormalize

-  if (cpu_info.bBMI2)
+  if (cpu_info.bFastBMI2)
  {
    // Extract bits 0-1 and 5-34
    MOV(64, R(RSCRATCH), Imm64(0xc7ffffffe0000000));