xref: /qemu/tcg/s390x/tcg-target-has.h (revision a341c84e8153b7282b083e871ca534f15fa70898)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Define target-specific opcode support
4  * Copyright (c) 2009 Ulrich Hecht <uli@suse.de>
5  */
6 
7 #ifndef TCG_TARGET_HAS_H
8 #define TCG_TARGET_HAS_H
9 
10 /* Facilities required for proper operation; checked at startup. */
11 
12 #define FACILITY_ZARCH_ACTIVE         2
13 #define FACILITY_LONG_DISP            18
14 #define FACILITY_EXT_IMM              21
15 #define FACILITY_GEN_INST_EXT         34
16 #define FACILITY_45                   45
17 
18 /* Facilities that are checked at runtime. */
19 
20 #define FACILITY_LOAD_ON_COND2        53
21 #define FACILITY_MISC_INSN_EXT2       58
22 #define FACILITY_MISC_INSN_EXT3       61
23 #define FACILITY_VECTOR               129
24 #define FACILITY_VECTOR_ENH1          135
25 
26 extern uint64_t s390_facilities[3];
27 
28 #define HAVE_FACILITY(X) \
29     ((s390_facilities[FACILITY_##X / 64] >> (63 - FACILITY_##X % 64)) & 1)
30 
31 /* optional instructions */
32 #define TCG_TARGET_HAS_div2_i32       1
33 #define TCG_TARGET_HAS_rot_i32        1
34 #define TCG_TARGET_HAS_bswap16_i32    1
35 #define TCG_TARGET_HAS_bswap32_i32    1
36 #define TCG_TARGET_HAS_not_i32        HAVE_FACILITY(MISC_INSN_EXT3)
37 #define TCG_TARGET_HAS_orc_i32        HAVE_FACILITY(MISC_INSN_EXT3)
38 #define TCG_TARGET_HAS_eqv_i32        HAVE_FACILITY(MISC_INSN_EXT3)
39 #define TCG_TARGET_HAS_nand_i32       HAVE_FACILITY(MISC_INSN_EXT3)
40 #define TCG_TARGET_HAS_nor_i32        HAVE_FACILITY(MISC_INSN_EXT3)
41 #define TCG_TARGET_HAS_clz_i32        0
42 #define TCG_TARGET_HAS_ctz_i32        0
43 #define TCG_TARGET_HAS_ctpop_i32      1
44 #define TCG_TARGET_HAS_extract2_i32   0
45 #define TCG_TARGET_HAS_negsetcond_i32 1
46 #define TCG_TARGET_HAS_add2_i32       1
47 #define TCG_TARGET_HAS_sub2_i32       1
48 #define TCG_TARGET_HAS_mulu2_i32      0
49 #define TCG_TARGET_HAS_muls2_i32      0
50 #define TCG_TARGET_HAS_muluh_i32      0
51 #define TCG_TARGET_HAS_mulsh_i32      0
52 #define TCG_TARGET_HAS_extr_i64_i32   0
53 #define TCG_TARGET_HAS_qemu_st8_i32   0
54 
55 #define TCG_TARGET_HAS_div2_i64       1
56 #define TCG_TARGET_HAS_rot_i64        1
57 #define TCG_TARGET_HAS_bswap16_i64    1
58 #define TCG_TARGET_HAS_bswap32_i64    1
59 #define TCG_TARGET_HAS_bswap64_i64    1
60 #define TCG_TARGET_HAS_not_i64        HAVE_FACILITY(MISC_INSN_EXT3)
61 #define TCG_TARGET_HAS_orc_i64        HAVE_FACILITY(MISC_INSN_EXT3)
62 #define TCG_TARGET_HAS_eqv_i64        HAVE_FACILITY(MISC_INSN_EXT3)
63 #define TCG_TARGET_HAS_nand_i64       HAVE_FACILITY(MISC_INSN_EXT3)
64 #define TCG_TARGET_HAS_nor_i64        HAVE_FACILITY(MISC_INSN_EXT3)
65 #define TCG_TARGET_HAS_clz_i64        1
66 #define TCG_TARGET_HAS_ctz_i64        0
67 #define TCG_TARGET_HAS_ctpop_i64      1
68 #define TCG_TARGET_HAS_extract2_i64   0
69 #define TCG_TARGET_HAS_negsetcond_i64 1
70 #define TCG_TARGET_HAS_add2_i64       1
71 #define TCG_TARGET_HAS_sub2_i64       1
72 #define TCG_TARGET_HAS_mulu2_i64      1
73 #define TCG_TARGET_HAS_muls2_i64      HAVE_FACILITY(MISC_INSN_EXT2)
74 #define TCG_TARGET_HAS_muluh_i64      0
75 #define TCG_TARGET_HAS_mulsh_i64      0
76 
77 #define TCG_TARGET_HAS_qemu_ldst_i128 1
78 
79 #define TCG_TARGET_HAS_tst            1
80 
81 #define TCG_TARGET_HAS_v64            HAVE_FACILITY(VECTOR)
82 #define TCG_TARGET_HAS_v128           HAVE_FACILITY(VECTOR)
83 #define TCG_TARGET_HAS_v256           0
84 
85 #define TCG_TARGET_HAS_andc_vec       1
86 #define TCG_TARGET_HAS_orc_vec        HAVE_FACILITY(VECTOR_ENH1)
87 #define TCG_TARGET_HAS_nand_vec       HAVE_FACILITY(VECTOR_ENH1)
88 #define TCG_TARGET_HAS_nor_vec        1
89 #define TCG_TARGET_HAS_eqv_vec        HAVE_FACILITY(VECTOR_ENH1)
90 #define TCG_TARGET_HAS_not_vec        1
91 #define TCG_TARGET_HAS_neg_vec        1
92 #define TCG_TARGET_HAS_abs_vec        1
93 #define TCG_TARGET_HAS_roti_vec       1
94 #define TCG_TARGET_HAS_rots_vec       1
95 #define TCG_TARGET_HAS_rotv_vec       1
96 #define TCG_TARGET_HAS_shi_vec        1
97 #define TCG_TARGET_HAS_shs_vec        1
98 #define TCG_TARGET_HAS_shv_vec        1
99 #define TCG_TARGET_HAS_mul_vec        1
100 #define TCG_TARGET_HAS_sat_vec        0
101 #define TCG_TARGET_HAS_minmax_vec     1
102 #define TCG_TARGET_HAS_bitsel_vec     1
103 #define TCG_TARGET_HAS_cmpsel_vec     1
104 #define TCG_TARGET_HAS_tst_vec        0
105 
106 #define TCG_TARGET_extract_valid(type, ofs, len)   1
107 #define TCG_TARGET_deposit_valid(type, ofs, len)   1
108 
109 static inline bool
110 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
111 {
112     if (ofs == 0) {
113         switch (len) {
114         case 8:
115         case 16:
116             return true;
117         case 32:
118             return type == TCG_TYPE_I64;
119         }
120     }
121     return false;
122 }
123 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
124 
125 #endif
126