xref: /qemu/tcg/riscv/tcg-target-has.h (revision 513823e7521a09ed7ad1e32e6454bac3b2cbf52d)
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_ext8s_i32        1
26 #define TCG_TARGET_HAS_ext16s_i32       1
27 #define TCG_TARGET_HAS_ext8u_i32        1
28 #define TCG_TARGET_HAS_ext16u_i32       1
29 #define TCG_TARGET_HAS_bswap16_i32      (cpuinfo & CPUINFO_ZBB)
30 #define TCG_TARGET_HAS_bswap32_i32      (cpuinfo & CPUINFO_ZBB)
31 #define TCG_TARGET_HAS_not_i32          1
32 #define TCG_TARGET_HAS_andc_i32         (cpuinfo & CPUINFO_ZBB)
33 #define TCG_TARGET_HAS_orc_i32          (cpuinfo & CPUINFO_ZBB)
34 #define TCG_TARGET_HAS_eqv_i32          (cpuinfo & CPUINFO_ZBB)
35 #define TCG_TARGET_HAS_nand_i32         0
36 #define TCG_TARGET_HAS_nor_i32          0
37 #define TCG_TARGET_HAS_clz_i32          (cpuinfo & CPUINFO_ZBB)
38 #define TCG_TARGET_HAS_ctz_i32          (cpuinfo & CPUINFO_ZBB)
39 #define TCG_TARGET_HAS_ctpop_i32        (cpuinfo & CPUINFO_ZBB)
40 #define TCG_TARGET_HAS_brcond2          1
41 #define TCG_TARGET_HAS_setcond2         1
42 #define TCG_TARGET_HAS_qemu_st8_i32     0
43 
44 #define TCG_TARGET_HAS_negsetcond_i64   1
45 #define TCG_TARGET_HAS_div_i64          1
46 #define TCG_TARGET_HAS_rem_i64          1
47 #define TCG_TARGET_HAS_div2_i64         0
48 #define TCG_TARGET_HAS_rot_i64          (cpuinfo & CPUINFO_ZBB)
49 #define TCG_TARGET_HAS_extract2_i64     0
50 #define TCG_TARGET_HAS_extr_i64_i32     1
51 #define TCG_TARGET_HAS_ext8s_i64        1
52 #define TCG_TARGET_HAS_ext16s_i64       1
53 #define TCG_TARGET_HAS_ext32s_i64       1
54 #define TCG_TARGET_HAS_ext8u_i64        1
55 #define TCG_TARGET_HAS_ext16u_i64       1
56 #define TCG_TARGET_HAS_ext32u_i64       1
57 #define TCG_TARGET_HAS_bswap16_i64      (cpuinfo & CPUINFO_ZBB)
58 #define TCG_TARGET_HAS_bswap32_i64      (cpuinfo & CPUINFO_ZBB)
59 #define TCG_TARGET_HAS_bswap64_i64      (cpuinfo & CPUINFO_ZBB)
60 #define TCG_TARGET_HAS_not_i64          1
61 #define TCG_TARGET_HAS_andc_i64         (cpuinfo & CPUINFO_ZBB)
62 #define TCG_TARGET_HAS_orc_i64          (cpuinfo & CPUINFO_ZBB)
63 #define TCG_TARGET_HAS_eqv_i64          (cpuinfo & CPUINFO_ZBB)
64 #define TCG_TARGET_HAS_nand_i64         0
65 #define TCG_TARGET_HAS_nor_i64          0
66 #define TCG_TARGET_HAS_clz_i64          (cpuinfo & CPUINFO_ZBB)
67 #define TCG_TARGET_HAS_ctz_i64          (cpuinfo & CPUINFO_ZBB)
68 #define TCG_TARGET_HAS_ctpop_i64        (cpuinfo & CPUINFO_ZBB)
69 #define TCG_TARGET_HAS_add2_i64         1
70 #define TCG_TARGET_HAS_sub2_i64         1
71 #define TCG_TARGET_HAS_mulu2_i64        0
72 #define TCG_TARGET_HAS_muls2_i64        0
73 #define TCG_TARGET_HAS_muluh_i64        1
74 #define TCG_TARGET_HAS_mulsh_i64        1
75 
76 #define TCG_TARGET_HAS_qemu_ldst_i128   0
77 
78 #define TCG_TARGET_HAS_tst              0
79 
80 /* vector instructions */
81 #define TCG_TARGET_HAS_v64              (cpuinfo & CPUINFO_ZVE64X)
82 #define TCG_TARGET_HAS_v128             (cpuinfo & CPUINFO_ZVE64X)
83 #define TCG_TARGET_HAS_v256             (cpuinfo & CPUINFO_ZVE64X)
84 #define TCG_TARGET_HAS_andc_vec         0
85 #define TCG_TARGET_HAS_orc_vec          0
86 #define TCG_TARGET_HAS_nand_vec         0
87 #define TCG_TARGET_HAS_nor_vec          0
88 #define TCG_TARGET_HAS_eqv_vec          0
89 #define TCG_TARGET_HAS_not_vec          1
90 #define TCG_TARGET_HAS_neg_vec          1
91 #define TCG_TARGET_HAS_abs_vec          0
92 #define TCG_TARGET_HAS_roti_vec         1
93 #define TCG_TARGET_HAS_rots_vec         1
94 #define TCG_TARGET_HAS_rotv_vec         1
95 #define TCG_TARGET_HAS_shi_vec          1
96 #define TCG_TARGET_HAS_shs_vec          1
97 #define TCG_TARGET_HAS_shv_vec          1
98 #define TCG_TARGET_HAS_mul_vec          1
99 #define TCG_TARGET_HAS_sat_vec          1
100 #define TCG_TARGET_HAS_minmax_vec       1
101 #define TCG_TARGET_HAS_bitsel_vec       0
102 #define TCG_TARGET_HAS_cmpsel_vec       1
103 
104 #define TCG_TARGET_HAS_tst_vec          0
105 
106 static inline bool
107 tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len)
108 {
109     if (type == TCG_TYPE_I64 && ofs + len == 32) {
110         /* ofs > 0 uses SRLIW; ofs == 0 uses add.uw. */
111         return ofs || (cpuinfo & CPUINFO_ZBA);
112     }
113     switch (len) {
114     case 1:
115         return (cpuinfo & CPUINFO_ZBS) && ofs != 0;
116     case 16:
117         return (cpuinfo & CPUINFO_ZBB) && ofs == 0;
118     }
119     return false;
120 }
121 #define TCG_TARGET_extract_valid  tcg_target_extract_valid
122 
123 static inline bool
124 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
125 {
126     if (type == TCG_TYPE_I64 && ofs + len == 32) {
127         return true;
128     }
129     return (cpuinfo & CPUINFO_ZBB) && ofs == 0 && (len == 8 || len == 16);
130 }
131 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
132 
133 #define TCG_TARGET_deposit_valid(type, ofs, len)  0
134 
135 #endif
136