Merge pull request #7005 from lioncash/div

Interpreter_FPUtils: Correct setting the FPSCR's zero divide exception flag in the 0/0 case in NI_div()
2018-05-31 11:22:45 -04:00 · 2018-05-31 11:22:45 -04:00 · dd77ace56a
parent f1b7259446 7bfeffe32f
commit dd77ace56a
1 changed files with 8 additions and 1 deletions
--- a/Source/Core/Core/PowerPC/Interpreter/Interpreter_FPUtils.h
+++ b/Source/Core/Core/PowerPC/Interpreter/Interpreter_FPUtils.h
@ -132,9 +132,16 @@ inline double NI_div(double a, double b)

    if (b == 0.0)
    {
-      SetFPException(FPSCR_ZX);
      if (a == 0.0)
+      {
        SetFPException(FPSCR_VXZDZ);
+      }
+      else
+      {
+        SetFPException(FPSCR_ZX);
+        FPSCR.FI = 0;
+        FPSCR.FR = 0;
+      }
    }
    else if (std::isinf(a) && std::isinf(b))
    {