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_bswap16_i32 1 43 #define TCG_TARGET_HAS_bswap32_i32 1 44 45 #if TCG_TARGET_REG_BITS == 64 46 #define TCG_TARGET_HAS_add2_i32 0 47 #define TCG_TARGET_HAS_sub2_i32 0 48 #define TCG_TARGET_HAS_extr_i64_i32 1 49 #define TCG_TARGET_HAS_add2_i64 0 50 #define TCG_TARGET_HAS_sub2_i64 0 51 #define TCG_TARGET_HAS_ext32s_i64 1 52 #define TCG_TARGET_HAS_ext32u_i64 1 53 #endif 54 55 /* optional instructions detected at runtime */ 56 #define TCG_TARGET_HAS_extract2_i32 0 57 #define TCG_TARGET_HAS_qemu_st8_i32 0 58 59 #if TCG_TARGET_REG_BITS == 64 60 #define TCG_TARGET_HAS_bswap16_i64 1 61 #define TCG_TARGET_HAS_bswap32_i64 1 62 #define TCG_TARGET_HAS_bswap64_i64 1 63 #define TCG_TARGET_HAS_extract2_i64 0 64 #endif 65 66 #define TCG_TARGET_HAS_qemu_ldst_i128 0 67 #define TCG_TARGET_HAS_tst 0 68 69 #define TCG_TARGET_extract_valid(type, ofs, len) use_mips32r2_instructions 70 #define TCG_TARGET_deposit_valid(type, ofs, len) use_mips32r2_instructions 71 72 static inline bool 73 tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len) 74 { 75 if (ofs == 0) { 76 switch (len) { 77 case 8: 78 case 16: 79 return use_mips32r2_instructions; 80 case 32: 81 return type == TCG_TYPE_I64; 82 } 83 } 84 return false; 85 } 86 #define TCG_TARGET_sextract_valid tcg_target_sextract_valid 87 88 #endif 89