1 /*
2 * VR5432 extensions translation routines
3 *
4 * Reference: VR5432 Microprocessor User’s Manual
5 * (Document Number U13751EU5V0UM00)
6 *
7 * Copyright (c) 2021 Philippe Mathieu-Daudé
8 *
9 * SPDX-License-Identifier: GPL-2.0-or-later
10 */
11
12 #include "qemu/osdep.h"
13 #include "translate.h"
14
15 /* Include the auto-generated decoder. */
16 #include "decode-vr54xx.c.inc"
17
18 /*
19 * Integer Multiply-Accumulate Instructions
20 *
21 * MACC Multiply, accumulate, and move LO
22 * MACCHI Multiply, accumulate, and move HI
23 * MACCHIU Unsigned multiply, accumulate, and move HI
24 * MACCU Unsigned multiply, accumulate, and move LO
25 * MSAC Multiply, negate, accumulate, and move LO
26 * MSACHI Multiply, negate, accumulate, and move HI
27 * MSACHIU Unsigned multiply, negate, accumulate, and move HI
28 * MSACU Unsigned multiply, negate, accumulate, and move LO
29 * MULHI Multiply and move HI
30 * MULHIU Unsigned multiply and move HI
31 * MULS Multiply, negate, and move LO
32 * MULSHI Multiply, negate, and move HI
33 * MULSHIU Unsigned multiply, negate, and move HI
34 * MULSU Unsigned multiply, negate, and move LO
35 */
36
trans_mult_acc(DisasContext * ctx,arg_r * a,void (* gen_helper_mult_acc)(TCGv,TCGv_ptr,TCGv,TCGv))37 static bool trans_mult_acc(DisasContext *ctx, arg_r *a,
38 void (*gen_helper_mult_acc)(TCGv, TCGv_ptr, TCGv, TCGv))
39 {
40 TCGv t0 = tcg_temp_new();
41 TCGv t1 = tcg_temp_new();
42
43 gen_load_gpr(t0, a->rs);
44 gen_load_gpr(t1, a->rt);
45
46 gen_helper_mult_acc(t0, tcg_env, t0, t1);
47
48 gen_store_gpr(t0, a->rd);
49 return true;
50 }
51
52 TRANS(MACC, trans_mult_acc, gen_helper_macc);
53 TRANS(MACCHI, trans_mult_acc, gen_helper_macchi);
54 TRANS(MACCHIU, trans_mult_acc, gen_helper_macchiu);
55 TRANS(MACCU, trans_mult_acc, gen_helper_maccu);
56 TRANS(MSAC, trans_mult_acc, gen_helper_msac);
57 TRANS(MSACHI, trans_mult_acc, gen_helper_msachi);
58 TRANS(MSACHIU, trans_mult_acc, gen_helper_msachiu);
59 TRANS(MSACU, trans_mult_acc, gen_helper_msacu);
60 TRANS(MULHI, trans_mult_acc, gen_helper_mulhi);
61 TRANS(MULHIU, trans_mult_acc, gen_helper_mulhiu);
62 TRANS(MULS, trans_mult_acc, gen_helper_muls);
63 TRANS(MULSHI, trans_mult_acc, gen_helper_mulshi);
64 TRANS(MULSHIU, trans_mult_acc, gen_helper_mulshiu);
65 TRANS(MULSU, trans_mult_acc, gen_helper_mulsu);
66