@@ -491,6 +491,56 @@ static TileExcp gen_specill(DisasContext *dc, unsigned dest, unsigned srca,
return gen_signal(dc, signo, sigcode, mnemonic);
}
+static void gen_v1cmpleu(TCGv tdest, TCGv tsrca, TCGv tsrcb)
+{
+ TCGv_64 t_sa = tcg_temp_new();
+ TCGv_64 t_sb = tcg_temp_new();
+ TCGv_64 t_d = tcg_temp_new();
+ int64_t mask = 0xffULL;
+ int64_t mask1 = 0x1ULL;
+ int i;
+
+ tcg_gen_movi_i64(tdest, 0x0ULL);
+ for (i = 0; i < 8; i++) {
+ tcg_gen_andi_i64(t_sa, tsrca, mask);
+ tcg_gen_andi_i64(t_sb, tsrcb, mask);
+ tcg_gen_setcond_i64(TCG_COND_LEU, t_d, t_sa, t_sb);
+ tcg_gen_andi_i64(t_d, t_d, mask1);
+ tcg_gen_or_i64(tdest, tdest, t_d);
+ mask = mask << 8;
+ mask1 = mask1 << 8;
+ }
+
+ tcg_temp_free(t_sa);
+ tcg_temp_free(t_sb);
+ tcg_temp_free(t_d);
+}
+
+static void gen_v1cmpltu(TCGv tdest, TCGv tsrca, TCGv tsrcb)
+{
+ TCGv_64 t_sa = tcg_temp_new();
+ TCGv_64 t_sb = tcg_temp_new();
+ TCGv_64 t_d = tcg_temp_new();
+ int64_t mask = 0xffULL;
+ int64_t mask1 = 0x1ULL;
+ int i;
+
+ tcg_gen_movi_i64(tdest, 0x0ULL);
+ for (i = 0; i < 8; i++) {
+ tcg_gen_andi_i64(t_sa, tsrca, mask);
+ tcg_gen_andi_i64(t_sb, tsrcb, mask);
+ tcg_gen_setcond_i64(TCG_COND_LTU, t_d, t_sa, t_sb);
+ tcg_gen_andi_i64(t_d, t_d, mask1);
+ tcg_gen_or_i64(tdest, tdest, t_d);
+ mask = mask << 8;
+ mask1 = mask1 << 8;
+ }
+
+ tcg_temp_free(t_sa);
+ tcg_temp_free(t_sb);
+ tcg_temp_free(t_d);
+}
+
static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext,
unsigned dest, unsigned srca, uint64_t bundle)
{
@@ -1247,12 +1297,8 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext,
break;
case OE_RRR(V1CMPLES, 0, X0):
case OE_RRR(V1CMPLES, 0, X1):
- case OE_RRR(V1CMPLEU, 0, X0):
- case OE_RRR(V1CMPLEU, 0, X1):
case OE_RRR(V1CMPLTS, 0, X0):
case OE_RRR(V1CMPLTS, 0, X1):
- case OE_RRR(V1CMPLTU, 0, X0):
- case OE_RRR(V1CMPLTU, 0, X1):
return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1CMPNE, 0, X0):
case OE_RRR(V1CMPNE, 0, X1):
@@ -1260,6 +1306,14 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext,
gen_v1cmpne0(tdest);
mnemonic = "v1cmpne";
break;
+ case OE_RRR(V1CMPLEU, 0, X0):
+ case OE_RRR(V1CMPLEU, 0, X1):
+ gen_v1cmpleu(tdest, tsrca, tsrcb);
+ break;
+ case OE_RRR(V1CMPLTU, 0, X0):
+ case OE_RRR(V1CMPLTU, 0, X1):
+ gen_v1cmpltu(tdest, tsrca, tsrcb);
+ break;
case OE_RRR(V1DDOTPUA, 0, X0):
case OE_RRR(V1DDOTPUSA, 0, X0):
case OE_RRR(V1DDOTPUS, 0, X0):
Implement emulation of TILEGX instruction V1CMPLEU and V1CMPLTU using TCG front end operations. Signed-off-by: Stefan Brankovic <stefan.brankovic@rt-rk.com> --- target/tilegx/translate.c | 62 ++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 58 insertions(+), 4 deletions(-)