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Removed FPU flags changing for SSE builds
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@ -212,15 +212,18 @@ enginefuncs_t g_engfuncsExportedToDlls;
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#ifdef _WIN32
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void Sys_SetupFPUOptions()
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{
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#ifndef __SSE__
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static uint8 fpuOpts[32];
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__asm { fnstenv byte ptr fpuOpts }
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fpuOpts[0] |= 0x3Fu;
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__asm { fldenv byte ptr fpuOpts }
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#endif
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}
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NOINLINE void Sys_InitFPUControlWords()
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void Sys_InitFPUControlWords()
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{
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#ifndef __SSE__
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int fpucw = 0;
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__asm { fnstcw fpucw }
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@ -228,9 +231,10 @@ NOINLINE void Sys_InitFPUControlWords()
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g_FPUCW_Mask_Prec_64Bit_2 = (fpucw & 0xF0FF) | 0x300;
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g_FPUCW_Mask_Round_Trunc = (fpucw & 0xF0FF) | 0xC00;
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g_FPUCW_Mask_Round_Up = (fpucw & 0xF0FF) | 0x800;
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#endif
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}
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void __cdecl Sys_SetStartTime()
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void Sys_SetStartTime()
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{
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int startTimeArg;
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@ -277,15 +281,19 @@ void __cdecl Sys_InitHardwareTimer()
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}
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int g_SavedFPUCW1 = 0;
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NOINLINE void Sys_FPUCW_Push_Prec64() {
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void Sys_FPUCW_Push_Prec64() {
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#ifndef __SSE__
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uint16 tmp = g_FPUCW_Mask_Prec_64Bit;
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__asm { fnstcw g_SavedFPUCW1 }
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__asm { fldcw tmp }
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#endif
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}
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NOINLINE void Sys_FPUCW_Pop_Prec64() {
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void Sys_FPUCW_Pop_Prec64() {
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#ifndef __SSE__
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uint16 tmp = g_SavedFPUCW1;
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__asm { fldcw tmp }
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#endif
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}
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#endif // _WIN32
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