Signed-off-by: Michael Rolnik <mrol...@gmail.com>
---
target-arc/translate-inst.c | 105 ++++++++++++++++++++++++++++++++++++++++++++
target-arc/translate-inst.h | 4 ++
2 files changed, 109 insertions(+)
diff --git a/target-arc/translate-inst.c b/target-arc/translate-inst.c
index 92c75ac..c3795fe 100644
--- a/target-arc/translate-inst.c
+++ b/target-arc/translate-inst.c
@@ -1546,3 +1546,108 @@ int arc_gen_MPYU(DisasCtxt *ctx, TCGv dest, TCGv src1,
TCGv src2)
return BS_NONE;
}
+/*
+ DIVAW
+*/
+int arc_gen_DIVAW(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGLabel *label_else = gen_new_label();
+ TCGLabel *label_done = gen_new_label();
+ TCGv rslt = dest;
+ TCGv temp = dest;
+
+ if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) {
+ rslt = tcg_temp_new_i32();
+ }
+
+ /*
+ if (src1 == 0)
+ dest = 0
+ else
+ {
+ src1_temp = src1 << 1
+ if (src1_temp >= src2)
+ dest = ((src1_temp - src2) | 0x0000_0001)
+ else
+ dest = src1_temp
+ }
+ */
+
+ tcg_gen_brcondi_tl(TCG_COND_NE, src1, 0, label_else);
+
+ tcg_gen_xor_tl(rslt, rslt, rslt);
+ tcg_gen_br(label_done);
+
+gen_set_label(label_else);
+ tcg_gen_shli_tl(temp, src1, 1);
+ tcg_gen_mov_tl(rslt, temp);
+ tcg_gen_brcond_tl(TCG_COND_LT, temp, src2, label_done);
+ tcg_gen_sub_tl(rslt, temp, src2);
+ tcg_gen_ori_tl(rslt, rslt, 1);
+
+gen_set_label(label_done);
+
+ if (!TCGV_EQUAL(dest, rslt)) {
+ tcg_gen_mov_tl(dest, rslt);
+ tcg_temp_free_i32(rslt);
+ }
+
+ tcg_temp_free_i32(temp);
+
+ return BS_NONE;
+}
+
+/*
+ MUL64
+*/
+int arc_gen_MUL64(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGv_i64 rslt = tcg_temp_new_i64();
+ TCGv_i64 srcA = tcg_temp_new_i64();
+ TCGv_i64 srcB = tcg_temp_new_i64();
+
+ tcg_gen_ext_i32_i64(srcA, src1);
+ tcg_gen_ext_i32_i64(srcB, src2);
+
+ tcg_gen_mul_i64(rslt, srcA, srcB);
+
+ tcg_gen_trunc_i64_tl(cpu_mlo, rslt);
+ tcg_gen_sari_i64(rslt, rslt, 16);
+ tcg_gen_trunc_i64_tl(cpu_mmi, rslt);
+ tcg_gen_sari_i64(rslt, rslt, 16);
+ tcg_gen_trunc_i64_tl(cpu_mhi, rslt);
+
+ tcg_temp_free_i64(rslt);
+ tcg_temp_free_i64(srcA);
+ tcg_temp_free_i64(srcB);
+
+ return BS_NONE;
+}
+
+/*
+ MULU64
+*/
+int arc_gen_MULU64(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGv_i64 rslt = tcg_temp_new_i64();
+ TCGv_i64 srcA = tcg_temp_new_i64();
+ TCGv_i64 srcB = tcg_temp_new_i64();
+
+ tcg_gen_extu_i32_i64(srcA, src1);
+ tcg_gen_extu_i32_i64(srcB, src2);
+
+ tcg_gen_mul_i64(rslt, srcA, srcB);
+
+ tcg_gen_trunc_i64_tl(cpu_mlo, rslt);
+ tcg_gen_shri_i64(rslt, rslt, 16);
+ tcg_gen_trunc_i64_tl(cpu_mmi, rslt);
+ tcg_gen_shri_i64(rslt, rslt, 16);
+ tcg_gen_trunc_i64_tl(cpu_mhi, rslt);
+
+ tcg_temp_free_i64(rslt);
+ tcg_temp_free_i64(srcA);
+ tcg_temp_free_i64(srcB);
+
+ return BS_NONE;
+}
+
diff --git a/target-arc/translate-inst.h b/target-arc/translate-inst.h
index 084c282..e017237 100644
--- a/target-arc/translate-inst.h
+++ b/target-arc/translate-inst.h
@@ -95,3 +95,7 @@ int arc_gen_MPYH(DisasCtxt *c, TCGv dest, TCGv src1, TCGv
src2);
int arc_gen_MPYHU(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
int arc_gen_MPYU(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_DIVAW(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_MUL64(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_MULU64(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+
--
2.4.9 (Apple Git-60)
