Initial commit

Torque/SDK/engine/platformWin32/winMath_ASM.cc

@@ -0,0 +1,47 @@
+//-----------------------------------------------------------------------------
+// Torque Game Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#include "math/mMath.h"
+
+#if defined(TORQUE_SUPPORTS_VC_INLINE_X86_ASM)
+static S32 m_mulDivS32_ASM(S32 a, S32 b, S32 c)
+{  // a * b / c
+   S32 r;
+   _asm
+   {
+      mov   eax, a
+      imul  b
+      idiv  c
+      mov   r, eax
+   }
+   return r;
+}
+
+
+static U32 m_mulDivU32_ASM(S32 a, S32 b, U32 c)
+{  // a * b / c
+   S32 r;
+   _asm
+   {
+      mov   eax, a
+      mov   edx, 0
+      mul   b
+      div   c
+      mov   r, eax
+   }
+   return r;
+}
+#endif
+
+//------------------------------------------------------------------------------
+void mInstallLibrary_ASM()
+{
+#if defined(TORQUE_SUPPORTS_VC_INLINE_X86_ASM)
+   m_mulDivS32              = m_mulDivS32_ASM;
+   m_mulDivU32              = m_mulDivU32_ASM;
+#endif
+}
+
+