xref: /qemu/tcg/s390x/tcg-target-has.h (revision 8ed7c0b6488a7f20318d6ba414f1cbcd0ed92afe)
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_extr_i64_i32   0
33 #define TCG_TARGET_HAS_qemu_ldst_i128 1
34 #define TCG_TARGET_HAS_tst            1
35 
36 #define TCG_TARGET_HAS_v64            HAVE_FACILITY(VECTOR)
37 #define TCG_TARGET_HAS_v128           HAVE_FACILITY(VECTOR)
38 #define TCG_TARGET_HAS_v256           0
39 
40 #define TCG_TARGET_HAS_andc_vec       1
41 #define TCG_TARGET_HAS_orc_vec        HAVE_FACILITY(VECTOR_ENH1)
42 #define TCG_TARGET_HAS_nand_vec       HAVE_FACILITY(VECTOR_ENH1)
43 #define TCG_TARGET_HAS_nor_vec        1
44 #define TCG_TARGET_HAS_eqv_vec        HAVE_FACILITY(VECTOR_ENH1)
45 #define TCG_TARGET_HAS_not_vec        1
46 #define TCG_TARGET_HAS_neg_vec        1
47 #define TCG_TARGET_HAS_abs_vec        1
48 #define TCG_TARGET_HAS_roti_vec       1
49 #define TCG_TARGET_HAS_rots_vec       1
50 #define TCG_TARGET_HAS_rotv_vec       1
51 #define TCG_TARGET_HAS_shi_vec        1
52 #define TCG_TARGET_HAS_shs_vec        1
53 #define TCG_TARGET_HAS_shv_vec        1
54 #define TCG_TARGET_HAS_mul_vec        1
55 #define TCG_TARGET_HAS_sat_vec        0
56 #define TCG_TARGET_HAS_minmax_vec     1
57 #define TCG_TARGET_HAS_bitsel_vec     1
58 #define TCG_TARGET_HAS_cmpsel_vec     1
59 #define TCG_TARGET_HAS_tst_vec        0
60 
61 #define TCG_TARGET_extract_valid(type, ofs, len)   1
62 #define TCG_TARGET_deposit_valid(type, ofs, len)   1
63 
64 static inline bool
65 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
66 {
67     if (ofs == 0) {
68         switch (len) {
69         case 8:
70         case 16:
71             return true;
72         case 32:
73             return type == TCG_TYPE_I64;
74         }
75     }
76     return false;
77 }
78 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
79 
80 #endif
81