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Re-added some x87 differences between the old and new recompilers, fixes #692.

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OBattler
2020-04-19 18:26:57 +02:00
parent 5de8564fdc
commit cd0a57b6c3
6 changed files with 130 additions and 45 deletions
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30
src/cpu_common/x87.c
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@@ -42,6 +42,7 @@ fpu_log(const char *fmt, ...)
#define X87_TAG_INVALID 2
#define X87_TAG_EMPTY 3
#ifdef USE_NEW_DYNAREC
uint16_t x87_gettag()
{
uint16_t ret = 0;
@@ -78,6 +79,35 @@ void x87_settag(uint16_t new_tag)
cpu_state.tag[c] = TAG_VALID;
}
}
#else
uint16_t x87_gettag()
{
uint16_t ret = 0;
int c;
for (c = 0; c < 8; c++)
{
if (cpu_state.tag[c] & TAG_UINT64)
ret |= 2 << (c*2);
else
ret |= (cpu_state.tag[c] << (c*2));
}
return ret;
}
void x87_settag(uint16_t new_tag)
{
cpu_state.tag[0] = new_tag & 3;
cpu_state.tag[1] = (new_tag >> 2) & 3;
cpu_state.tag[2] = (new_tag >> 4) & 3;
cpu_state.tag[3] = (new_tag >> 6) & 3;
cpu_state.tag[4] = (new_tag >> 8) & 3;
cpu_state.tag[5] = (new_tag >> 10) & 3;
cpu_state.tag[6] = (new_tag >> 12) & 3;
cpu_state.tag[7] = (new_tag >> 14) & 3;
}
#endif
#ifdef ENABLE_808X_LOG