OpenE2K
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qemu-e2k
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target: e2k: add umulx/smulx instrs.

This commit is contained in:
Alibek Omarov 2020-12-06 23:20:07 +03:00
parent f0941a1a6b
commit b62f9057f5
1 changed files with 52 additions and 0 deletions
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52
target/e2k/translate/alc.c
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@ -1095,6 +1095,30 @@ static inline void gen_insert_field_i32(TCGv_i32 ret, TCGv_i32 src1,
tcg_temp_free_i32(one);
}
static inline void gen_umulx(TCGv_i64 ret, TCGv_i32 src1, TCGv_i32 src2)
{
TCGv_i32 l = tcg_temp_new_i32();
TCGv_i32 h = tcg_temp_new_i32();
tcg_gen_mulu2_i32(l, h, src1, src2);
tcg_gen_concat_i32_i64(ret, l, h);
tcg_temp_free_i32(h);
tcg_temp_free_i32(l);
}
static inline void gen_smulx(TCGv_i64 ret, TCGv_i32 src1, TCGv_i32 src2)
{
TCGv_i32 l = tcg_temp_new_i32();
TCGv_i32 h = tcg_temp_new_i32();
tcg_gen_muls2_i32(l, h, src1, src2);
tcg_gen_concat_i32_i64(ret, l, h);
tcg_temp_free_i32(h);
tcg_temp_free_i32(l);
}
static inline void gen_umulhd(TCGv_i64 ret, TCGv_i64 src1, TCGv_i64 src2)
{
TCGv_i64 t0 = tcg_temp_new_i64();
@ -1433,6 +1457,19 @@ static void gen_alopf1_i32(DisasContext *ctx, int chan,
gen_al_result_i32(ctx, chan, dst, tag);
}
static void gen_alopf1_i32_i64(DisasContext *ctx, int chan,
void (*op)(TCGv_i64, TCGv_i32, TCGv_i32))
{
Src32 s1 = get_src1_i32(ctx, chan);
Src32 s2 = get_src2_i32(ctx, chan);
TCGv_i32 tag = e2k_get_temp_i32(ctx);
TCGv_i64 dst = e2k_get_temp_i64(ctx);
gen_tag2_i32(tag, s1.tag, s2.tag);
(*op)(dst, s1.value, s2.value);
gen_al_result_i64(ctx, chan, dst, tag);
}
static void gen_alopf1_tag_i64(DisasContext *ctx, int chan,
void (*op)(TCGv_i64, TCGv_i32, TCGv_i32, TCGv_i64, TCGv_i64))
{
@ -1846,6 +1883,20 @@ static void execute_ext_01(DisasContext *dc, Instr *instr)
return;
}
break;
case 0x22:
if (is_chan_0134(chan)) {
/* umulx */
gen_alopf1_i32_i64(dc, chan, gen_umulx);
return;
}
break;
case 0x23:
if (is_chan_0134(chan)) {
/* smulx */
gen_alopf1_i32_i64(dc, chan, gen_smulx);
return;
}
break;
case 0x3c:
if (chan == 0) {
/* rws */
@ -1876,6 +1927,7 @@ static void execute_ext_01(DisasContext *dc, Instr *instr)
break;
case 0x58:
if (is_chan_03(chan)) {
/* getsp */
gen_getsp(dc, chan);
return;
}