1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
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;
}
|
