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utilize host fpu directly (dynamic core)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2707
This commit is contained in:
Sebastian Strohhäcker 2006-10-12 15:18:32 +00:00
parent da0bb016c5
commit 3cb1e884bd
5 changed files with 199 additions and 59 deletions
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9
src/cpu/cpu.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: cpu.cpp,v 1.86 2006-10-04 19:24:52 c2woody Exp $ */
/* $Id: cpu.cpp,v 1.87 2006-10-12 15:18:31 c2woody Exp $ */
#include <assert.h>
#include "dosbox.h"
@ -56,6 +56,7 @@ void CPU_Core_Simple_Init(void);
void CPU_Core_Dyn_X86_Init(void);
void CPU_Core_Dyn_X86_Cache_Init(bool enable_cache);
void CPU_Core_Dyn_X86_Cache_Close(void);
void CPU_Core_Dyn_X86_SetFPUMode(bool dh_fpu);
/* In debug mode exceptions are tested and dosbox exits when
* a unhandled exception state is detected.
@ -2060,6 +2061,10 @@ public:
#if (C_DYNAMIC_X86)
else if (!strcasecmp(core,"dynamic")) {
cpudecoder=&CPU_Core_Dyn_X86_Run;
CPU_Core_Dyn_X86_SetFPUMode(true);
} else if (!strcasecmp(core,"dynamic_nodhfpu")) {
cpudecoder=&CPU_Core_Dyn_X86_Run;
CPU_Core_Dyn_X86_SetFPUMode(false);
} else if (!strcasecmp(core,"auto")) {
cpudecoder=&CPU_Core_Normal_Run;
CPU_AutoDetermineMode|=CPU_AUTODETERMINE_CORE;
@ -2070,7 +2075,7 @@ public:
}
#if (C_DYNAMIC_X86)
CPU_Core_Dyn_X86_Cache_Init(!strcasecmp(core,"dynamic"));
CPU_Core_Dyn_X86_Cache_Init(!strcasecmp(core,"dynamic") || !strcasecmp(core,"dynamic_nodhfpu"));
#endif
if(CPU_CycleMax <= 0) CPU_CycleMax = 2500;