xref: /openbmc/qemu/tcg/riscv/tcg-target-has.h (revision 46f96bff163512f9f8f9959de4a18c0799001422)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Define target-specific opcode support
4  * Copyright (c) 2018 SiFive, Inc
5  */
6 
7 #ifndef TCG_TARGET_HAS_H
8 #define TCG_TARGET_HAS_H
9 
10 #include "host/cpuinfo.h"
11 
12 /* optional instructions */
13 #define TCG_TARGET_HAS_negsetcond_i32   1
14 #define TCG_TARGET_HAS_div_i32          1
15 #define TCG_TARGET_HAS_rem_i32          1
16 #define TCG_TARGET_HAS_div2_i32         0
17 #define TCG_TARGET_HAS_rot_i32          (cpuinfo & CPUINFO_ZBB)
18 #define TCG_TARGET_HAS_extract2_i32     0
19 #define TCG_TARGET_HAS_add2_i32         1
20 #define TCG_TARGET_HAS_sub2_i32         1
21 #define TCG_TARGET_HAS_mulu2_i32        0
22 #define TCG_TARGET_HAS_muls2_i32        0
23 #define TCG_TARGET_HAS_muluh_i32        0
24 #define TCG_TARGET_HAS_mulsh_i32        0
25 #define TCG_TARGET_HAS_bswap16_i32      (cpuinfo & CPUINFO_ZBB)
26 #define TCG_TARGET_HAS_bswap32_i32      (cpuinfo & CPUINFO_ZBB)
27 #define TCG_TARGET_HAS_not_i32          1
28 #define TCG_TARGET_HAS_orc_i32          (cpuinfo & CPUINFO_ZBB)
29 #define TCG_TARGET_HAS_eqv_i32          (cpuinfo & CPUINFO_ZBB)
30 #define TCG_TARGET_HAS_nand_i32         0
31 #define TCG_TARGET_HAS_nor_i32          0
32 #define TCG_TARGET_HAS_clz_i32          (cpuinfo & CPUINFO_ZBB)
33 #define TCG_TARGET_HAS_ctz_i32          (cpuinfo & CPUINFO_ZBB)
34 #define TCG_TARGET_HAS_ctpop_i32        (cpuinfo & CPUINFO_ZBB)
35 #define TCG_TARGET_HAS_qemu_st8_i32     0
36 
37 #define TCG_TARGET_HAS_negsetcond_i64   1
38 #define TCG_TARGET_HAS_div_i64          1
39 #define TCG_TARGET_HAS_rem_i64          1
40 #define TCG_TARGET_HAS_div2_i64         0
41 #define TCG_TARGET_HAS_rot_i64          (cpuinfo & CPUINFO_ZBB)
42 #define TCG_TARGET_HAS_extract2_i64     0
43 #define TCG_TARGET_HAS_extr_i64_i32     1
44 #define TCG_TARGET_HAS_bswap16_i64      (cpuinfo & CPUINFO_ZBB)
45 #define TCG_TARGET_HAS_bswap32_i64      (cpuinfo & CPUINFO_ZBB)
46 #define TCG_TARGET_HAS_bswap64_i64      (cpuinfo & CPUINFO_ZBB)
47 #define TCG_TARGET_HAS_not_i64          1
48 #define TCG_TARGET_HAS_orc_i64          (cpuinfo & CPUINFO_ZBB)
49 #define TCG_TARGET_HAS_eqv_i64          (cpuinfo & CPUINFO_ZBB)
50 #define TCG_TARGET_HAS_nand_i64         0
51 #define TCG_TARGET_HAS_nor_i64          0
52 #define TCG_TARGET_HAS_clz_i64          (cpuinfo & CPUINFO_ZBB)
53 #define TCG_TARGET_HAS_ctz_i64          (cpuinfo & CPUINFO_ZBB)
54 #define TCG_TARGET_HAS_ctpop_i64        (cpuinfo & CPUINFO_ZBB)
55 #define TCG_TARGET_HAS_add2_i64         1
56 #define TCG_TARGET_HAS_sub2_i64         1
57 #define TCG_TARGET_HAS_mulu2_i64        0
58 #define TCG_TARGET_HAS_muls2_i64        0
59 #define TCG_TARGET_HAS_muluh_i64        1
60 #define TCG_TARGET_HAS_mulsh_i64        1
61 
62 #define TCG_TARGET_HAS_qemu_ldst_i128   0
63 
64 #define TCG_TARGET_HAS_tst              0
65 
66 /* vector instructions */
67 #define TCG_TARGET_HAS_v64              (cpuinfo & CPUINFO_ZVE64X)
68 #define TCG_TARGET_HAS_v128             (cpuinfo & CPUINFO_ZVE64X)
69 #define TCG_TARGET_HAS_v256             (cpuinfo & CPUINFO_ZVE64X)
70 #define TCG_TARGET_HAS_andc_vec         0
71 #define TCG_TARGET_HAS_orc_vec          0
72 #define TCG_TARGET_HAS_nand_vec         0
73 #define TCG_TARGET_HAS_nor_vec          0
74 #define TCG_TARGET_HAS_eqv_vec          0
75 #define TCG_TARGET_HAS_not_vec          1
76 #define TCG_TARGET_HAS_neg_vec          1
77 #define TCG_TARGET_HAS_abs_vec          0
78 #define TCG_TARGET_HAS_roti_vec         1
79 #define TCG_TARGET_HAS_rots_vec         1
80 #define TCG_TARGET_HAS_rotv_vec         1
81 #define TCG_TARGET_HAS_shi_vec          1
82 #define TCG_TARGET_HAS_shs_vec          1
83 #define TCG_TARGET_HAS_shv_vec          1
84 #define TCG_TARGET_HAS_mul_vec          1
85 #define TCG_TARGET_HAS_sat_vec          1
86 #define TCG_TARGET_HAS_minmax_vec       1
87 #define TCG_TARGET_HAS_bitsel_vec       0
88 #define TCG_TARGET_HAS_cmpsel_vec       1
89 
90 #define TCG_TARGET_HAS_tst_vec          0
91 
92 static inline bool
93 tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len)
94 {
95     if (type == TCG_TYPE_I64 && ofs + len == 32) {
96         /* ofs > 0 uses SRLIW; ofs == 0 uses add.uw. */
97         return ofs || (cpuinfo & CPUINFO_ZBA);
98     }
99     switch (len) {
100     case 1:
101         return (cpuinfo & CPUINFO_ZBS) && ofs != 0;
102     case 16:
103         return (cpuinfo & CPUINFO_ZBB) && ofs == 0;
104     }
105     return false;
106 }
107 #define TCG_TARGET_extract_valid  tcg_target_extract_valid
108 
109 static inline bool
110 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
111 {
112     if (type == TCG_TYPE_I64 && ofs + len == 32) {
113         return true;
114     }
115     return (cpuinfo & CPUINFO_ZBB) && ofs == 0 && (len == 8 || len == 16);
116 }
117 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
118 
119 #define TCG_TARGET_deposit_valid(type, ofs, len)  0
120 
121 #endif
122