xref: /openbmc/qemu/tcg/arm/tcg-target-has.h (revision 5a5bb0a5a0b879c8f110c6a9bde9146181ef840c)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Define target-specific opcode support
4  * Copyright (c) 2008 Fabrice Bellard
5  * Copyright (c) 2008 Andrzej Zaborowski
6  */
7 
8 #ifndef TCG_TARGET_HAS_H
9 #define TCG_TARGET_HAS_H
10 
11 extern int arm_arch;
12 
13 #define use_armv7_instructions  (__ARM_ARCH >= 7 || arm_arch >= 7)
14 
15 #ifdef __ARM_ARCH_EXT_IDIV__
16 #define use_idiv_instructions  1
17 #else
18 extern bool use_idiv_instructions;
19 #endif
20 #ifdef __ARM_NEON__
21 #define use_neon_instructions  1
22 #else
23 extern bool use_neon_instructions;
24 #endif
25 
26 /* optional instructions */
27 #define TCG_TARGET_HAS_bswap16_i32      1
28 #define TCG_TARGET_HAS_bswap32_i32      1
29 #define TCG_TARGET_HAS_ctz_i32          use_armv7_instructions
30 #define TCG_TARGET_HAS_ctpop_i32        0
31 #define TCG_TARGET_HAS_extract2_i32     1
32 #define TCG_TARGET_HAS_negsetcond_i32   1
33 #define TCG_TARGET_HAS_mulu2_i32        1
34 #define TCG_TARGET_HAS_muls2_i32        1
35 #define TCG_TARGET_HAS_qemu_st8_i32     0
36 
37 #define TCG_TARGET_HAS_qemu_ldst_i128   0
38 
39 #define TCG_TARGET_HAS_tst              1
40 
41 #define TCG_TARGET_HAS_v64              use_neon_instructions
42 #define TCG_TARGET_HAS_v128             use_neon_instructions
43 #define TCG_TARGET_HAS_v256             0
44 
45 #define TCG_TARGET_HAS_andc_vec         1
46 #define TCG_TARGET_HAS_orc_vec          1
47 #define TCG_TARGET_HAS_nand_vec         0
48 #define TCG_TARGET_HAS_nor_vec          0
49 #define TCG_TARGET_HAS_eqv_vec          0
50 #define TCG_TARGET_HAS_not_vec          1
51 #define TCG_TARGET_HAS_neg_vec          1
52 #define TCG_TARGET_HAS_abs_vec          1
53 #define TCG_TARGET_HAS_roti_vec         0
54 #define TCG_TARGET_HAS_rots_vec         0
55 #define TCG_TARGET_HAS_rotv_vec         0
56 #define TCG_TARGET_HAS_shi_vec          1
57 #define TCG_TARGET_HAS_shs_vec          0
58 #define TCG_TARGET_HAS_shv_vec          0
59 #define TCG_TARGET_HAS_mul_vec          1
60 #define TCG_TARGET_HAS_sat_vec          1
61 #define TCG_TARGET_HAS_minmax_vec       1
62 #define TCG_TARGET_HAS_bitsel_vec       1
63 #define TCG_TARGET_HAS_cmpsel_vec       0
64 #define TCG_TARGET_HAS_tst_vec          1
65 
66 static inline bool
67 tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len)
68 {
69     if (use_armv7_instructions) {
70         return true;  /* SBFX or UBFX */
71     }
72     switch (len) {
73     case 8:   /* SXTB or UXTB */
74     case 16:  /* SXTH or UXTH */
75         return (ofs % 8) == 0;
76     }
77     return false;
78 }
79 
80 #define TCG_TARGET_extract_valid   tcg_target_extract_valid
81 #define TCG_TARGET_sextract_valid  tcg_target_extract_valid
82 #define TCG_TARGET_deposit_valid(type, ofs, len)  use_armv7_instructions
83 
84 #endif
85