/* * Tiny Code Generator for QEMU * * Copyright (c) 2008 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef TCG_TARGET_I386 #define TCG_TARGET_I386 1 //#define TCG_TARGET_WORDS_BIGENDIAN #if TCG_TARGET_REG_BITS == 64 # define TCG_TARGET_NB_REGS 16 #else # define TCG_TARGET_NB_REGS 8 #endif typedef enum { TCG_REG_EAX = 0, TCG_REG_ECX, TCG_REG_EDX, TCG_REG_EBX, TCG_REG_ESP, TCG_REG_EBP, TCG_REG_ESI, TCG_REG_EDI, /* 64-bit registers; always define the symbols to avoid too much if-deffing. */ TCG_REG_R8, TCG_REG_R9, TCG_REG_R10, TCG_REG_R11, TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15, TCG_REG_RAX = TCG_REG_EAX, TCG_REG_RCX = TCG_REG_ECX, TCG_REG_RDX = TCG_REG_EDX, TCG_REG_RBX = TCG_REG_EBX, TCG_REG_RSP = TCG_REG_ESP, TCG_REG_RBP = TCG_REG_EBP, TCG_REG_RSI = TCG_REG_ESI, TCG_REG_RDI = TCG_REG_EDI, } TCGReg; #define TCG_CT_CONST_S32 0x100 #define TCG_CT_CONST_U32 0x200 /* used for function call generation */ #define TCG_REG_CALL_STACK TCG_REG_ESP #define TCG_TARGET_STACK_ALIGN 16 #if defined(_WIN64) #define TCG_TARGET_CALL_STACK_OFFSET 32 #else #define TCG_TARGET_CALL_STACK_OFFSET 0 #endif /* optional instructions */ #define TCG_TARGET_HAS_div2_i32 1 #define TCG_TARGET_HAS_rot_i32 1 #define TCG_TARGET_HAS_ext8s_i32 1 #define TCG_TARGET_HAS_ext16s_i32 1 #define TCG_TARGET_HAS_ext8u_i32 1 #define TCG_TARGET_HAS_ext16u_i32 1 #define TCG_TARGET_HAS_bswap16_i32 1 #define TCG_TARGET_HAS_bswap32_i32 1 #define TCG_TARGET_HAS_neg_i32 1 #define TCG_TARGET_HAS_not_i32 1 #define TCG_TARGET_HAS_andc_i32 0 #define TCG_TARGET_HAS_orc_i32 0 #define TCG_TARGET_HAS_eqv_i32 0 #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 1 #if defined(__x86_64__) || defined(__i686__) /* Use cmov only if the compiler is already doing so. */ #define TCG_TARGET_HAS_movcond_i32 1 #else #define TCG_TARGET_HAS_movcond_i32 0 #endif #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_div2_i64 1 #define TCG_TARGET_HAS_rot_i64 1 #define TCG_TARGET_HAS_ext8s_i64 1 #define TCG_TARGET_HAS_ext16s_i64 1 #define TCG_TARGET_HAS_ext32s_i64 1 #define TCG_TARGET_HAS_ext8u_i64 1 #define TCG_TARGET_HAS_ext16u_i64 1 #define TCG_TARGET_HAS_ext32u_i64 1 #define TCG_TARGET_HAS_bswap16_i64 1 #define TCG_TARGET_HAS_bswap32_i64 1 #define TCG_TARGET_HAS_bswap64_i64 1 #define TCG_TARGET_HAS_neg_i64 1 #define TCG_TARGET_HAS_not_i64 1 #define TCG_TARGET_HAS_andc_i64 0 #define TCG_TARGET_HAS_orc_i64 0 #define TCG_TARGET_HAS_eqv_i64 0 #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_deposit_i64 1 #define TCG_TARGET_HAS_movcond_i64 1 #endif #define TCG_TARGET_deposit_i32_valid(ofs, len) \ (((ofs) == 0 && (len) == 8) || ((ofs) == 8 && (len) == 8) || \ ((ofs) == 0 && (len) == 16)) #define TCG_TARGET_deposit_i64_valid TCG_TARGET_deposit_i32_valid #if TCG_TARGET_REG_BITS == 64 # define TCG_AREG0 TCG_REG_R14 #else # define TCG_AREG0 TCG_REG_EBP #endif static inline void flush_icache_range(tcg_target_ulong start, tcg_target_ulong stop) { } #endif