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sh2 drc, keep T bit in host flags as long as possible

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kub 2019-05-23 19:04:31 +02:00
parent 9e36dd0e08
commit 39615f6079
3 changed files with 190 additions and 71 deletions
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38
cpu/drc/emit_x86.c
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@ -1200,3 +1200,41 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_pool_commit(j) /**/
#define emith_insn_ptr() ((u8 *)tcache_ptr)
#define emith_flush() /**/
#ifdef T
// T bit handling
#define emith_invert_cond(cond) \
((cond) ^ 1)
static void emith_clr_t_cond(int sr)
{
emith_bic_r_imm(sr, T);
}
static void emith_set_t_cond(int sr, int cond)
{
EMITH_SJMP_START(emith_invert_cond(cond));
emith_or_r_imm_c(cond, sr, T);
EMITH_SJMP_END(emith_invert_cond(cond));
}
#define emith_get_t_cond() -1
#define emith_sync_t(sr) ((void)sr)
#define emith_invalidate_t()
static void emith_set_t(int sr, int val)
{
if (val)
emith_or_r_imm(sr, T);
else
emith_bic_r_imm(sr, T);
}
static int emith_tst_t(int sr, int tf)
{
emith_tst_r_imm(sr, T);
return tf ? DCOND_NE: DCOND_EQ;
}
#endif