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Redid the x87 merger, now the x87 interpreter is basically the same across both recompilers, and there's several newly introduced bugs less.

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This commit is contained in:
OBattler
2020-04-10 14:07:25 +02:00
parent a60634b3a1
commit f29f6de245
11 changed files with 166 additions and 323 deletions
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27
src/cpu_common/x87.h
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@@ -6,53 +6,38 @@
uint32_t x87_pc_off,x87_op_off;
uint16_t x87_pc_seg,x87_op_seg;
static inline void x87_set_mmx()
static __inline void x87_set_mmx()
{
#ifdef USE_NEW_DYNAREC
cpu_state.TOP = 0;
*(uint64_t *)cpu_state.tag = 0x0101010101010101ull;
cpu_state.ismmx = 1;
#else
uint64_t *p;
cpu_state.TOP = 0;
p = (uint64_t *)cpu_state.tag;
*p = 0;
*p = 0x0101010101010101ull;
cpu_state.ismmx = 1;
#endif
}
static inline void x87_emms()
static __inline void x87_emms()
{
#ifdef USE_NEW_DYNAREC
*(uint64_t *)cpu_state.tag = 0;
cpu_state.ismmx = 0;
#else
uint64_t *p;
p = (uint64_t *)cpu_state.tag;
*p = 0;
cpu_state.ismmx = 0;
#endif
}
uint16_t x87_gettag();
void x87_settag(uint16_t new_tag);
#ifdef USE_NEW_DYNAREC
#define TAG_EMPTY 0
#define TAG_VALID (1 << 0)
/*Hack for FPU copy. If set then MM[].q contains the 64-bit integer loaded by FILD*/
#define TAG_UINT64 (1 << 7)
/*Old dynarec stuff.*/
#define TAG_NOT_UINT64 0x7f
#define X87_ROUNDING_NEAREST 0
#define X87_ROUNDING_DOWN 1
#define X87_ROUNDING_UP 2
#define X87_ROUNDING_CHOP 3
void codegen_set_rounding_mode(int mode);
#else
#define TAG_EMPTY 3
#define TAG_VALID (1 << 0)
/*Hack for FPU copy. If set then MM[].q contains the 64-bit integer loaded by FILD*/
#define TAG_UINT64 (1 << 2)
#endif