1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Define target-specific opcode support 4 * Copyright (c) 2008-2009 Arnaud Patard <arnaud.patard@rtp-net.org> 5 * Copyright (c) 2009 Aurelien Jarno <aurelien@aurel32.net> 6 */ 7 8 #ifndef TCG_TARGET_HAS_H 9 #define TCG_TARGET_HAS_H 10 11 /* MOVN/MOVZ instructions detection */ 12 #if (defined(__mips_isa_rev) && (__mips_isa_rev >= 1)) || \ 13 defined(_MIPS_ARCH_LOONGSON2E) || defined(_MIPS_ARCH_LOONGSON2F) || \ 14 defined(_MIPS_ARCH_MIPS4) 15 #define use_movnz_instructions 1 16 #else 17 extern bool use_movnz_instructions; 18 #endif 19 20 /* MIPS32 instruction set detection */ 21 #if defined(__mips_isa_rev) && (__mips_isa_rev >= 1) 22 #define use_mips32_instructions 1 23 #else 24 extern bool use_mips32_instructions; 25 #endif 26 27 /* MIPS32R2 instruction set detection */ 28 #if defined(__mips_isa_rev) && (__mips_isa_rev >= 2) 29 #define use_mips32r2_instructions 1 30 #else 31 extern bool use_mips32r2_instructions; 32 #endif 33 34 /* MIPS32R6 instruction set detection */ 35 #if defined(__mips_isa_rev) && (__mips_isa_rev >= 6) 36 #define use_mips32r6_instructions 1 37 #else 38 #define use_mips32r6_instructions 0 39 #endif 40 41 /* optional instructions */ 42 #define TCG_TARGET_HAS_div_i32 1 43 #define TCG_TARGET_HAS_rem_i32 1 44 #define TCG_TARGET_HAS_mulu2_i32 (!use_mips32r6_instructions) 45 #define TCG_TARGET_HAS_muls2_i32 (!use_mips32r6_instructions) 46 #define TCG_TARGET_HAS_muluh_i32 1 47 #define TCG_TARGET_HAS_mulsh_i32 1 48 #define TCG_TARGET_HAS_bswap16_i32 1 49 #define TCG_TARGET_HAS_bswap32_i32 1 50 #define TCG_TARGET_HAS_negsetcond_i32 0 51 52 #if TCG_TARGET_REG_BITS == 64 53 #define TCG_TARGET_HAS_add2_i32 0 54 #define TCG_TARGET_HAS_sub2_i32 0 55 #define TCG_TARGET_HAS_extr_i64_i32 1 56 #define TCG_TARGET_HAS_div_i64 1 57 #define TCG_TARGET_HAS_rem_i64 1 58 #define TCG_TARGET_HAS_add2_i64 0 59 #define TCG_TARGET_HAS_sub2_i64 0 60 #define TCG_TARGET_HAS_mulu2_i64 (!use_mips32r6_instructions) 61 #define TCG_TARGET_HAS_muls2_i64 (!use_mips32r6_instructions) 62 #define TCG_TARGET_HAS_muluh_i64 1 63 #define TCG_TARGET_HAS_mulsh_i64 1 64 #define TCG_TARGET_HAS_ext32s_i64 1 65 #define TCG_TARGET_HAS_ext32u_i64 1 66 #define TCG_TARGET_HAS_negsetcond_i64 0 67 #endif 68 69 /* optional instructions detected at runtime */ 70 #define TCG_TARGET_HAS_extract2_i32 0 71 #define TCG_TARGET_HAS_rot_i32 use_mips32r2_instructions 72 #define TCG_TARGET_HAS_clz_i32 use_mips32r2_instructions 73 #define TCG_TARGET_HAS_ctz_i32 0 74 #define TCG_TARGET_HAS_ctpop_i32 0 75 #define TCG_TARGET_HAS_qemu_st8_i32 0 76 77 #if TCG_TARGET_REG_BITS == 64 78 #define TCG_TARGET_HAS_bswap16_i64 1 79 #define TCG_TARGET_HAS_bswap32_i64 1 80 #define TCG_TARGET_HAS_bswap64_i64 1 81 #define TCG_TARGET_HAS_extract2_i64 0 82 #define TCG_TARGET_HAS_rot_i64 use_mips32r2_instructions 83 #define TCG_TARGET_HAS_clz_i64 use_mips32r2_instructions 84 #define TCG_TARGET_HAS_ctz_i64 0 85 #define TCG_TARGET_HAS_ctpop_i64 0 86 #endif 87 88 #define TCG_TARGET_HAS_qemu_ldst_i128 0 89 #define TCG_TARGET_HAS_tst 0 90 91 #define TCG_TARGET_extract_valid(type, ofs, len) use_mips32r2_instructions 92 #define TCG_TARGET_deposit_valid(type, ofs, len) use_mips32r2_instructions 93 94 static inline bool 95 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len) 96 { 97 if (ofs == 0) { 98 switch (len) { 99 case 8: 100 case 16: 101 return use_mips32r2_instructions; 102 case 32: 103 return type == TCG_TYPE_I64; 104 } 105 } 106 return false; 107 } 108 #define TCG_TARGET_sextract_valid tcg_target_sextract_valid 109 110 #endif 111