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 #if TCG_TARGET_REG_BITS == 64 43 #define TCG_TARGET_HAS_extr_i64_i32 1 44 #define TCG_TARGET_HAS_ext32s_i64 1 45 #define TCG_TARGET_HAS_ext32u_i64 1 46 #endif 47 48 /* optional instructions detected at runtime */ 49 #define TCG_TARGET_HAS_qemu_ldst_i128 0 50 #define TCG_TARGET_HAS_tst 0 51 52 #define TCG_TARGET_extract_valid(type, ofs, len) use_mips32r2_instructions 53 #define TCG_TARGET_deposit_valid(type, ofs, len) use_mips32r2_instructions 54 55 static inline bool tcg_target_sextract_valid(TCGType type,unsigned ofs,unsigned len)56tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len) 57 { 58 if (ofs == 0) { 59 switch (len) { 60 case 8: 61 case 16: 62 return use_mips32r2_instructions; 63 case 32: 64 return type == TCG_TYPE_I64; 65 } 66 } 67 return false; 68 } 69 #define TCG_TARGET_sextract_valid tcg_target_sextract_valid 70 71 #endif 72