49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#define C0 (1 << 8)
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#define C1 (1 << 9)
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#define C2 (1 << 10)
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#define C3 (1 << 14)
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extern uint32_t x87_pc_off, x87_op_off;
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extern uint16_t x87_pc_seg, x87_op_seg;
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static __inline void
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x87_set_mmx(void)
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{
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uint64_t *p;
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cpu_state.TOP = 0;
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p = (uint64_t *) cpu_state.tag;
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*p = 0x0101010101010101ull;
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cpu_state.ismmx = 1;
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}
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static __inline void
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x87_emms(void)
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{
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uint64_t *p;
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p = (uint64_t *) cpu_state.tag;
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*p = 0;
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cpu_state.ismmx = 0;
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}
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uint16_t x87_gettag(void);
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void x87_settag(uint16_t new_tag);
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#define TAG_EMPTY 0
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#define TAG_VALID (1 << 0)
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/*Hack for FPU copy. If set then MM[].q contains the 64-bit integer loaded by FILD*/
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#ifdef USE_NEW_DYNAREC
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# define TAG_UINT64 (1 << 7)
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#else
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# define TAG_UINT64 (1 << 2)
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#endif
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/*Old dynarec stuff.*/
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#define TAG_NOT_UINT64 0xfb
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#define X87_ROUNDING_NEAREST 0
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#define X87_ROUNDING_DOWN 1
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#define X87_ROUNDING_UP 2
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#define X87_ROUNDING_CHOP 3
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void codegen_set_rounding_mode(int mode);
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