xref: /openbmc/qemu/tcg/ppc/tcg-target-has.h (revision 59379a45af1f4d62fc8c1ae0ddee988f47075787)
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_nor_i32          1
27 #define TCG_TARGET_HAS_clz_i32          1
28 #define TCG_TARGET_HAS_ctz_i32          have_isa_3_00
29 #define TCG_TARGET_HAS_ctpop_i32        have_isa_2_06
30 #define TCG_TARGET_HAS_extract2_i32     0
31 #define TCG_TARGET_HAS_negsetcond_i32   1
32 #define TCG_TARGET_HAS_mulu2_i32        0
33 #define TCG_TARGET_HAS_muls2_i32        0
34 #define TCG_TARGET_HAS_muluh_i32        1
35 #define TCG_TARGET_HAS_mulsh_i32        1
36 #define TCG_TARGET_HAS_qemu_st8_i32     0
37 
38 #if TCG_TARGET_REG_BITS == 64
39 #define TCG_TARGET_HAS_add2_i32         0
40 #define TCG_TARGET_HAS_sub2_i32         0
41 #define TCG_TARGET_HAS_extr_i64_i32     0
42 #define TCG_TARGET_HAS_div_i64          1
43 #define TCG_TARGET_HAS_rem_i64          have_isa_3_00
44 #define TCG_TARGET_HAS_rot_i64          1
45 #define TCG_TARGET_HAS_bswap16_i64      1
46 #define TCG_TARGET_HAS_bswap32_i64      1
47 #define TCG_TARGET_HAS_bswap64_i64      1
48 #define TCG_TARGET_HAS_not_i64          1
49 #define TCG_TARGET_HAS_nor_i64          1
50 #define TCG_TARGET_HAS_clz_i64          1
51 #define TCG_TARGET_HAS_ctz_i64          have_isa_3_00
52 #define TCG_TARGET_HAS_ctpop_i64        have_isa_2_06
53 #define TCG_TARGET_HAS_extract2_i64     0
54 #define TCG_TARGET_HAS_negsetcond_i64   1
55 #define TCG_TARGET_HAS_add2_i64         1
56 #define TCG_TARGET_HAS_sub2_i64         1
57 #define TCG_TARGET_HAS_mulu2_i64        0
58 #define TCG_TARGET_HAS_muls2_i64        0
59 #define TCG_TARGET_HAS_muluh_i64        1
60 #define TCG_TARGET_HAS_mulsh_i64        1
61 #endif
62 
63 #define TCG_TARGET_HAS_qemu_ldst_i128   \
64     (TCG_TARGET_REG_BITS == 64 && have_isa_2_07)
65 
66 #define TCG_TARGET_HAS_tst              1
67 
68 /*
69  * While technically Altivec could support V64, it has no 64-bit store
70  * instruction and substituting two 32-bit stores makes the generated
71  * code quite large.
72  */
73 #define TCG_TARGET_HAS_v64              have_vsx
74 #define TCG_TARGET_HAS_v128             have_altivec
75 #define TCG_TARGET_HAS_v256             0
76 
77 #define TCG_TARGET_HAS_andc_vec         1
78 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
79 #define TCG_TARGET_HAS_nand_vec         have_isa_2_07
80 #define TCG_TARGET_HAS_nor_vec          1
81 #define TCG_TARGET_HAS_eqv_vec          have_isa_2_07
82 #define TCG_TARGET_HAS_not_vec          1
83 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
84 #define TCG_TARGET_HAS_abs_vec          0
85 #define TCG_TARGET_HAS_roti_vec         0
86 #define TCG_TARGET_HAS_rots_vec         0
87 #define TCG_TARGET_HAS_rotv_vec         1
88 #define TCG_TARGET_HAS_shi_vec          0
89 #define TCG_TARGET_HAS_shs_vec          0
90 #define TCG_TARGET_HAS_shv_vec          1
91 #define TCG_TARGET_HAS_mul_vec          1
92 #define TCG_TARGET_HAS_sat_vec          1
93 #define TCG_TARGET_HAS_minmax_vec       1
94 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
95 #define TCG_TARGET_HAS_cmpsel_vec       1
96 #define TCG_TARGET_HAS_tst_vec          0
97 
98 #define TCG_TARGET_extract_valid(type, ofs, len)   1
99 #define TCG_TARGET_deposit_valid(type, ofs, len)   1
100 
101 static inline bool
102 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
103 {
104     if (type == TCG_TYPE_I64 && ofs + len == 32) {
105         return true;
106     }
107     return ofs == 0 && (len == 8 || len == 16);
108 }
109 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
110 
111 #endif
112