OpenE2K/qemu-e2k
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target: e2k: Add {s,u}div{s,d}.

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This commit is contained in:
Denis Drakhnia 2020-11-25 19:55:35 +02:00
parent 1494afd90f
commit 88b9e44d2d
1 changed files with 31 additions and 4 deletions
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35
target/e2k/translate/alc.c
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@ -87,7 +87,6 @@ static TCGv_i64 get_dst(DisasContext *dc, unsigned int als)
return e2k_get_temp_i64(dc);
}
/* FIXME: now only %r, %b, %g */
static void store_reg_alc_result(DisasContext *dc, int chan, TCGv_i64 val)
{
uint8_t dst = dc->bundle.als[chan];
@ -103,8 +102,11 @@ static void store_reg_alc_result(DisasContext *dc, int chan, TCGv_i64 val)
} else if (IS_GLOBAL(dst)) {
res->tag = RESULT_GLOBAL_REG;
res->u.reg.i = GET_GLOBAL(dst);
} else if (dst == 0xdf) { /* %empty */
res->tag = RESULT_NONE;
res->u.reg.i = -1;
} else {
// TODO: %empty, %ctpr, etc
// TODO: %ctpr, etc
abort();
}
}
@ -825,8 +827,33 @@ static void execute_alopf_simple(DisasContext *dc, int chan)
}
break;
}
case 0x40: // TODO: udivs used as temporary UD
e2k_gen_exception(dc, 0);
case 0x40:
if (chan == 5) {
gen_alopf1_i32(dc, chan, tcg_gen_divu_i32);
} else {
abort();
}
break;
case 0x41:
if (chan == 5) {
gen_alopf1_i64(dc, chan, tcg_gen_divu_i64);
} else {
abort();
}
break;
case 0x42:
if (chan == 5) {
gen_alopf1_i32(dc, chan, tcg_gen_div_i32);
} else {
abort();
}
break;
case 0x43:
if (chan == 5) {
gen_alopf1_i64(dc, chan, tcg_gen_div_i64);
} else {
abort();
}
break;
case 0x61:
if (chan == 2 || chan == 5) {