1 files changed, 120 insertions, 0 deletions
diff --git a/target/riscv/insn_trans/trans_rvm.inc.c b/target/riscv/insn_trans/trans_rvm.inc.c
new file mode 100644
index 0000000000..47cd6edc72
--- /dev/null
+++ b/target/riscv/insn_trans/trans_rvm.inc.c
@@ -0,0 +1,120 @@
+/*
+ * RISC-V translation routines for the RV64M Standard Extension.
+ *
+ * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
+ * Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de
+ *                    Bastian Koppelmann, kbastian@mail.uni-paderborn.de
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+static bool trans_mul(DisasContext *ctx, arg_mul *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &tcg_gen_mul_tl);
+}
+
+static bool trans_mulh(DisasContext *ctx, arg_mulh *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    TCGv source1 = tcg_temp_new();
+    TCGv source2 = tcg_temp_new();
+    gen_get_gpr(source1, a->rs1);
+    gen_get_gpr(source2, a->rs2);
+
+    tcg_gen_muls2_tl(source2, source1, source1, source2);
+
+    gen_set_gpr(a->rd, source1);
+    tcg_temp_free(source1);
+    tcg_temp_free(source2);
+    return true;
+}
+
+static bool trans_mulhsu(DisasContext *ctx, arg_mulhsu *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &gen_mulhsu);
+}
+
+static bool trans_mulhu(DisasContext *ctx, arg_mulhu *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    TCGv source1 = tcg_temp_new();
+    TCGv source2 = tcg_temp_new();
+    gen_get_gpr(source1, a->rs1);
+    gen_get_gpr(source2, a->rs2);
+
+    tcg_gen_mulu2_tl(source2, source1, source1, source2);
+
+    gen_set_gpr(a->rd, source1);
+    tcg_temp_free(source1);
+    tcg_temp_free(source2);
+    return true;
+}
+
+static bool trans_div(DisasContext *ctx, arg_div *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &gen_div);
+}
+
+static bool trans_divu(DisasContext *ctx, arg_divu *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &gen_divu);
+}
+
+static bool trans_rem(DisasContext *ctx, arg_rem *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &gen_rem);
+}
+
+static bool trans_remu(DisasContext *ctx, arg_remu *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &gen_remu);
+}
+
+#ifdef TARGET_RISCV64
+static bool trans_mulw(DisasContext *ctx, arg_mulw *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith(ctx, a, &gen_mulw);
+}
+
+static bool trans_divw(DisasContext *ctx, arg_divw *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith_div_w(ctx, a, &gen_div);
+}
+
+static bool trans_divuw(DisasContext *ctx, arg_divuw *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith_div_uw(ctx, a, &gen_divu);
+}
+
+static bool trans_remw(DisasContext *ctx, arg_remw *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith_div_w(ctx, a, &gen_rem);
+}
+
+static bool trans_remuw(DisasContext *ctx, arg_remuw *a)
+{
+    REQUIRE_EXT(ctx, RVM);
+    return gen_arith_div_uw(ctx, a, &gen_remu);
+}
+#endif