xref: /openbmc/qemu/tcg/ppc/tcg-target-has.h (revision 46f96bff163512f9f8f9959de4a18c0799001422)
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_orc_i32          1
27 #define TCG_TARGET_HAS_eqv_i32          1
28 #define TCG_TARGET_HAS_nand_i32         1
29 #define TCG_TARGET_HAS_nor_i32          1
30 #define TCG_TARGET_HAS_clz_i32          1
31 #define TCG_TARGET_HAS_ctz_i32          have_isa_3_00
32 #define TCG_TARGET_HAS_ctpop_i32        have_isa_2_06
33 #define TCG_TARGET_HAS_extract2_i32     0
34 #define TCG_TARGET_HAS_negsetcond_i32   1
35 #define TCG_TARGET_HAS_mulu2_i32        0
36 #define TCG_TARGET_HAS_muls2_i32        0
37 #define TCG_TARGET_HAS_muluh_i32        1
38 #define TCG_TARGET_HAS_mulsh_i32        1
39 #define TCG_TARGET_HAS_qemu_st8_i32     0
40 
41 #if TCG_TARGET_REG_BITS == 64
42 #define TCG_TARGET_HAS_add2_i32         0
43 #define TCG_TARGET_HAS_sub2_i32         0
44 #define TCG_TARGET_HAS_extr_i64_i32     0
45 #define TCG_TARGET_HAS_div_i64          1
46 #define TCG_TARGET_HAS_rem_i64          have_isa_3_00
47 #define TCG_TARGET_HAS_rot_i64          1
48 #define TCG_TARGET_HAS_bswap16_i64      1
49 #define TCG_TARGET_HAS_bswap32_i64      1
50 #define TCG_TARGET_HAS_bswap64_i64      1
51 #define TCG_TARGET_HAS_not_i64          1
52 #define TCG_TARGET_HAS_orc_i64          1
53 #define TCG_TARGET_HAS_eqv_i64          1
54 #define TCG_TARGET_HAS_nand_i64         1
55 #define TCG_TARGET_HAS_nor_i64          1
56 #define TCG_TARGET_HAS_clz_i64          1
57 #define TCG_TARGET_HAS_ctz_i64          have_isa_3_00
58 #define TCG_TARGET_HAS_ctpop_i64        have_isa_2_06
59 #define TCG_TARGET_HAS_extract2_i64     0
60 #define TCG_TARGET_HAS_negsetcond_i64   1
61 #define TCG_TARGET_HAS_add2_i64         1
62 #define TCG_TARGET_HAS_sub2_i64         1
63 #define TCG_TARGET_HAS_mulu2_i64        0
64 #define TCG_TARGET_HAS_muls2_i64        0
65 #define TCG_TARGET_HAS_muluh_i64        1
66 #define TCG_TARGET_HAS_mulsh_i64        1
67 #endif
68 
69 #define TCG_TARGET_HAS_qemu_ldst_i128   \
70     (TCG_TARGET_REG_BITS == 64 && have_isa_2_07)
71 
72 #define TCG_TARGET_HAS_tst              1
73 
74 /*
75  * While technically Altivec could support V64, it has no 64-bit store
76  * instruction and substituting two 32-bit stores makes the generated
77  * code quite large.
78  */
79 #define TCG_TARGET_HAS_v64              have_vsx
80 #define TCG_TARGET_HAS_v128             have_altivec
81 #define TCG_TARGET_HAS_v256             0
82 
83 #define TCG_TARGET_HAS_andc_vec         1
84 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
85 #define TCG_TARGET_HAS_nand_vec         have_isa_2_07
86 #define TCG_TARGET_HAS_nor_vec          1
87 #define TCG_TARGET_HAS_eqv_vec          have_isa_2_07
88 #define TCG_TARGET_HAS_not_vec          1
89 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
90 #define TCG_TARGET_HAS_abs_vec          0
91 #define TCG_TARGET_HAS_roti_vec         0
92 #define TCG_TARGET_HAS_rots_vec         0
93 #define TCG_TARGET_HAS_rotv_vec         1
94 #define TCG_TARGET_HAS_shi_vec          0
95 #define TCG_TARGET_HAS_shs_vec          0
96 #define TCG_TARGET_HAS_shv_vec          1
97 #define TCG_TARGET_HAS_mul_vec          1
98 #define TCG_TARGET_HAS_sat_vec          1
99 #define TCG_TARGET_HAS_minmax_vec       1
100 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
101 #define TCG_TARGET_HAS_cmpsel_vec       1
102 #define TCG_TARGET_HAS_tst_vec          0
103 
104 #define TCG_TARGET_extract_valid(type, ofs, len)   1
105 #define TCG_TARGET_deposit_valid(type, ofs, len)   1
106 
107 static inline bool
108 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
109 {
110     if (type == TCG_TYPE_I64 && ofs + len == 32) {
111         return true;
112     }
113     return ofs == 0 && (len == 8 || len == 16);
114 }
115 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
116 
117 #endif
118