xref: /openbmc/qemu/tcg/ppc/tcg-target-has.h (revision 48e8de684aff7ad112aafcf74f776d2a66ef192e)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Define target-specific opcode support
4  * Copyright (c) 2008 Fabrice Bellard
5  */
6 
7 #ifndef TCG_TARGET_HAS_H
8 #define TCG_TARGET_HAS_H
9 
10 #include "host/cpuinfo.h"
11 
12 #define have_isa_2_06  (cpuinfo & CPUINFO_V2_06)
13 #define have_isa_2_07  (cpuinfo & CPUINFO_V2_07)
14 #define have_isa_3_00  (cpuinfo & CPUINFO_V3_0)
15 #define have_isa_3_10  (cpuinfo & CPUINFO_V3_1)
16 #define have_altivec   (cpuinfo & CPUINFO_ALTIVEC)
17 #define have_vsx       (cpuinfo & CPUINFO_VSX)
18 
19 /* optional instructions */
20 #define TCG_TARGET_HAS_div_i32          1
21 #define TCG_TARGET_HAS_rem_i32          have_isa_3_00
22 #define TCG_TARGET_HAS_rot_i32          1
23 #define TCG_TARGET_HAS_bswap16_i32      1
24 #define TCG_TARGET_HAS_bswap32_i32      1
25 #define TCG_TARGET_HAS_not_i32          1
26 #define TCG_TARGET_HAS_andc_i32         1
27 #define TCG_TARGET_HAS_orc_i32          1
28 #define TCG_TARGET_HAS_eqv_i32          1
29 #define TCG_TARGET_HAS_nand_i32         1
30 #define TCG_TARGET_HAS_nor_i32          1
31 #define TCG_TARGET_HAS_clz_i32          1
32 #define TCG_TARGET_HAS_ctz_i32          have_isa_3_00
33 #define TCG_TARGET_HAS_ctpop_i32        have_isa_2_06
34 #define TCG_TARGET_HAS_extract2_i32     0
35 #define TCG_TARGET_HAS_negsetcond_i32   1
36 #define TCG_TARGET_HAS_mulu2_i32        0
37 #define TCG_TARGET_HAS_muls2_i32        0
38 #define TCG_TARGET_HAS_muluh_i32        1
39 #define TCG_TARGET_HAS_mulsh_i32        1
40 #define TCG_TARGET_HAS_qemu_st8_i32     0
41 
42 #if TCG_TARGET_REG_BITS == 64
43 #define TCG_TARGET_HAS_add2_i32         0
44 #define TCG_TARGET_HAS_sub2_i32         0
45 #define TCG_TARGET_HAS_extr_i64_i32     0
46 #define TCG_TARGET_HAS_div_i64          1
47 #define TCG_TARGET_HAS_rem_i64          have_isa_3_00
48 #define TCG_TARGET_HAS_rot_i64          1
49 #define TCG_TARGET_HAS_bswap16_i64      1
50 #define TCG_TARGET_HAS_bswap32_i64      1
51 #define TCG_TARGET_HAS_bswap64_i64      1
52 #define TCG_TARGET_HAS_not_i64          1
53 #define TCG_TARGET_HAS_andc_i64         1
54 #define TCG_TARGET_HAS_orc_i64          1
55 #define TCG_TARGET_HAS_eqv_i64          1
56 #define TCG_TARGET_HAS_nand_i64         1
57 #define TCG_TARGET_HAS_nor_i64          1
58 #define TCG_TARGET_HAS_clz_i64          1
59 #define TCG_TARGET_HAS_ctz_i64          have_isa_3_00
60 #define TCG_TARGET_HAS_ctpop_i64        have_isa_2_06
61 #define TCG_TARGET_HAS_extract2_i64     0
62 #define TCG_TARGET_HAS_negsetcond_i64   1
63 #define TCG_TARGET_HAS_add2_i64         1
64 #define TCG_TARGET_HAS_sub2_i64         1
65 #define TCG_TARGET_HAS_mulu2_i64        0
66 #define TCG_TARGET_HAS_muls2_i64        0
67 #define TCG_TARGET_HAS_muluh_i64        1
68 #define TCG_TARGET_HAS_mulsh_i64        1
69 #endif
70 
71 #define TCG_TARGET_HAS_qemu_ldst_i128   \
72     (TCG_TARGET_REG_BITS == 64 && have_isa_2_07)
73 
74 #define TCG_TARGET_HAS_tst              1
75 
76 /*
77  * While technically Altivec could support V64, it has no 64-bit store
78  * instruction and substituting two 32-bit stores makes the generated
79  * code quite large.
80  */
81 #define TCG_TARGET_HAS_v64              have_vsx
82 #define TCG_TARGET_HAS_v128             have_altivec
83 #define TCG_TARGET_HAS_v256             0
84 
85 #define TCG_TARGET_HAS_andc_vec         1
86 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
87 #define TCG_TARGET_HAS_nand_vec         have_isa_2_07
88 #define TCG_TARGET_HAS_nor_vec          1
89 #define TCG_TARGET_HAS_eqv_vec          have_isa_2_07
90 #define TCG_TARGET_HAS_not_vec          1
91 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
92 #define TCG_TARGET_HAS_abs_vec          0
93 #define TCG_TARGET_HAS_roti_vec         0
94 #define TCG_TARGET_HAS_rots_vec         0
95 #define TCG_TARGET_HAS_rotv_vec         1
96 #define TCG_TARGET_HAS_shi_vec          0
97 #define TCG_TARGET_HAS_shs_vec          0
98 #define TCG_TARGET_HAS_shv_vec          1
99 #define TCG_TARGET_HAS_mul_vec          1
100 #define TCG_TARGET_HAS_sat_vec          1
101 #define TCG_TARGET_HAS_minmax_vec       1
102 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
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 (type == TCG_TYPE_I64 && ofs + len == 32) {
113         return true;
114     }
115     return ofs == 0 && (len == 8 || len == 16);
116 }
117 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
118 
119 #endif
120