Add function to enable some FP exceptions (for debugging purposes).

jpd002 · Jul 29, 2020 · b37c87f · b37c87f
1 parent f6f2af4
commit b37c87f
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/Source/FpUtils.cpp b/Source/FpUtils.cpp
@@ -43,6 +43,14 @@ void FpUtils::SetDenormalHandlingMode()
 #endif
 }
 
+void FpUtils::EnableFpExceptions()
+{
+#ifdef _WIN32
+	unsigned int currentState = 0;
+	_controlfp_s(&currentState, _MCW_EM & ~(_EM_ZERODIVIDE | _EM_INVALID), _MCW_EM);
+#endif
+}
+
 void FpUtils::IsZero(CMipsJitter* codeGen, size_t offset)
 {
 	//Check wether an FP number is +/-0

diff --git a/Source/FpUtils.h b/Source/FpUtils.h
@@ -7,6 +7,7 @@ class CMipsJitter;
 namespace FpUtils
 {
 	void SetDenormalHandlingMode();
+	void EnableFpExceptions();
 
 	void IsZero(CMipsJitter*, size_t);
 	void ComputeDivisionByZero(CMipsJitter*, size_t, size_t);