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Cleaned up x87 tag register handling.

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This commit is contained in:
SarahW 2018-10-01 21:02:40 +01:00
commit dbb01ef9e2
6 changed files with 82 additions and 63 deletions
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7
src/x87.h
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@ -10,7 +10,7 @@ static inline void x87_set_mmx()
static inline void x87_emms()
{
*(uint64_t *)cpu_state.tag = 0x0303030303030303ll;
*(uint64_t *)cpu_state.tag = 0;
cpu_state.ismmx = 0;
}
@ -19,5 +19,8 @@ void x87_settag(uint16_t new_tag);
void x87_dumpregs();
void x87_reset();
#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 << 2)
#define TAG_UINT64 (1 << 7)