diff options
Diffstat (limited to 'target/riscv/insn_trans/trans_rvm.c.inc')
-rw-r--r-- | target/riscv/insn_trans/trans_rvm.c.inc | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/target/riscv/insn_trans/trans_rvm.c.inc b/target/riscv/insn_trans/trans_rvm.c.inc new file mode 100644 index 0000000000..47cd6edc72 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvm.c.inc @@ -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 |