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_extract2_i32 1 30 #define TCG_TARGET_HAS_qemu_st8_i32 0 31 32 #define TCG_TARGET_HAS_qemu_ldst_i128 0 33 34 #define TCG_TARGET_HAS_tst 1 35 36 #define TCG_TARGET_HAS_v64 use_neon_instructions 37 #define TCG_TARGET_HAS_v128 use_neon_instructions 38 #define TCG_TARGET_HAS_v256 0 39 40 #define TCG_TARGET_HAS_andc_vec 1 41 #define TCG_TARGET_HAS_orc_vec 1 42 #define TCG_TARGET_HAS_nand_vec 0 43 #define TCG_TARGET_HAS_nor_vec 0 44 #define TCG_TARGET_HAS_eqv_vec 0 45 #define TCG_TARGET_HAS_not_vec 1 46 #define TCG_TARGET_HAS_neg_vec 1 47 #define TCG_TARGET_HAS_abs_vec 1 48 #define TCG_TARGET_HAS_roti_vec 0 49 #define TCG_TARGET_HAS_rots_vec 0 50 #define TCG_TARGET_HAS_rotv_vec 0 51 #define TCG_TARGET_HAS_shi_vec 1 52 #define TCG_TARGET_HAS_shs_vec 0 53 #define TCG_TARGET_HAS_shv_vec 0 54 #define TCG_TARGET_HAS_mul_vec 1 55 #define TCG_TARGET_HAS_sat_vec 1 56 #define TCG_TARGET_HAS_minmax_vec 1 57 #define TCG_TARGET_HAS_bitsel_vec 1 58 #define TCG_TARGET_HAS_cmpsel_vec 0 59 #define TCG_TARGET_HAS_tst_vec 1 60 61 static inline bool 62 tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len) 63 { 64 if (use_armv7_instructions) { 65 return true; /* SBFX or UBFX */ 66 } 67 switch (len) { 68 case 8: /* SXTB or UXTB */ 69 case 16: /* SXTH or UXTH */ 70 return (ofs % 8) == 0; 71 } 72 return false; 73 } 74 75 #define TCG_TARGET_extract_valid tcg_target_extract_valid 76 #define TCG_TARGET_sextract_valid tcg_target_extract_valid 77 #define TCG_TARGET_deposit_valid(type, ofs, len) use_armv7_instructions 78 79 #endif 80