diff options
Diffstat (limited to 'target/riscv/insn_trans/trans_rvzicond.c.inc')
-rw-r--r-- | target/riscv/insn_trans/trans_rvzicond.c.inc | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/riscv/insn_trans/trans_rvzicond.c.inc b/target/riscv/insn_trans/trans_rvzicond.c.inc new file mode 100644 index 0000000..6452601 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvzicond.c.inc @@ -0,0 +1,49 @@ +/* + * RISC-V translation routines for the Zicond Standard Extension. + * + * Copyright (c) 2020-2023 PLCT Lab + * + * 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/>. + */ + +#define REQUIRE_ZICOND(ctx) do { \ + if (!ctx->cfg_ptr->ext_zicond) { \ + return false; \ + } \ +} while (0) + +static bool trans_czero_eqz(DisasContext *ctx, arg_czero_eqz *a) +{ + REQUIRE_ZICOND(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + tcg_gen_movcond_tl(TCG_COND_EQ, dest, src2, ctx->zero, ctx->zero, src1); + gen_set_gpr(ctx, a->rd, dest); + return true; +} + +static bool trans_czero_nez(DisasContext *ctx, arg_czero_nez *a) +{ + REQUIRE_ZICOND(ctx); + + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + + tcg_gen_movcond_tl(TCG_COND_NE, dest, src2, ctx->zero, ctx->zero, src1); + gen_set_gpr(ctx, a->rd, dest); + return true; +} |