xref: /openbmc/qemu/tcg/ppc/tcg-target-has.h (revision d776198cd31d1578c4b0239dc80cb2841e86f2f8)
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_bswap16_i32      1
21 #define TCG_TARGET_HAS_bswap32_i32      1
22 #define TCG_TARGET_HAS_extract2_i32     0
23 #define TCG_TARGET_HAS_negsetcond_i32   1
24 #define TCG_TARGET_HAS_qemu_st8_i32     0
25 
26 #if TCG_TARGET_REG_BITS == 64
27 #define TCG_TARGET_HAS_add2_i32         0
28 #define TCG_TARGET_HAS_sub2_i32         0
29 #define TCG_TARGET_HAS_extr_i64_i32     0
30 #define TCG_TARGET_HAS_bswap16_i64      1
31 #define TCG_TARGET_HAS_bswap32_i64      1
32 #define TCG_TARGET_HAS_bswap64_i64      1
33 #define TCG_TARGET_HAS_extract2_i64     0
34 #define TCG_TARGET_HAS_negsetcond_i64   1
35 #define TCG_TARGET_HAS_add2_i64         1
36 #define TCG_TARGET_HAS_sub2_i64         1
37 #endif
38 
39 #define TCG_TARGET_HAS_qemu_ldst_i128   \
40     (TCG_TARGET_REG_BITS == 64 && have_isa_2_07)
41 
42 #define TCG_TARGET_HAS_tst              1
43 
44 /*
45  * While technically Altivec could support V64, it has no 64-bit store
46  * instruction and substituting two 32-bit stores makes the generated
47  * code quite large.
48  */
49 #define TCG_TARGET_HAS_v64              have_vsx
50 #define TCG_TARGET_HAS_v128             have_altivec
51 #define TCG_TARGET_HAS_v256             0
52 
53 #define TCG_TARGET_HAS_andc_vec         1
54 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
55 #define TCG_TARGET_HAS_nand_vec         have_isa_2_07
56 #define TCG_TARGET_HAS_nor_vec          1
57 #define TCG_TARGET_HAS_eqv_vec          have_isa_2_07
58 #define TCG_TARGET_HAS_not_vec          1
59 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
60 #define TCG_TARGET_HAS_abs_vec          0
61 #define TCG_TARGET_HAS_roti_vec         0
62 #define TCG_TARGET_HAS_rots_vec         0
63 #define TCG_TARGET_HAS_rotv_vec         1
64 #define TCG_TARGET_HAS_shi_vec          0
65 #define TCG_TARGET_HAS_shs_vec          0
66 #define TCG_TARGET_HAS_shv_vec          1
67 #define TCG_TARGET_HAS_mul_vec          1
68 #define TCG_TARGET_HAS_sat_vec          1
69 #define TCG_TARGET_HAS_minmax_vec       1
70 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
71 #define TCG_TARGET_HAS_cmpsel_vec       1
72 #define TCG_TARGET_HAS_tst_vec          0
73 
74 #define TCG_TARGET_extract_valid(type, ofs, len)   1
75 #define TCG_TARGET_deposit_valid(type, ofs, len)   1
76 
77 static inline bool
78 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
79 {
80     if (type == TCG_TYPE_I64 && ofs + len == 32) {
81         return true;
82     }
83     return ofs == 0 && (len == 8 || len == 16);
84 }
85 #define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
86 
87 #endif
88