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/*
* 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);
}
static bool trans_mulw(DisasContext *ctx, arg_mulw *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVM);
return gen_arith(ctx, a, &gen_mulw);
}
static bool trans_divw(DisasContext *ctx, arg_divw *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVM);
return gen_arith_div_w(ctx, a, &gen_div);
}
static bool trans_divuw(DisasContext *ctx, arg_divuw *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVM);
return gen_arith_div_uw(ctx, a, &gen_divu);
}
static bool trans_remw(DisasContext *ctx, arg_remw *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVM);
return gen_arith_div_w(ctx, a, &gen_rem);
}
static bool trans_remuw(DisasContext *ctx, arg_remuw *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVM);
return gen_arith_div_uw(ctx, a, &gen_remu);
}
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