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/*
* 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 I386_TCG_TARGET_H
#define I386_TCG_TARGET_H
#include "host/cpuinfo.h"
#define TCG_TARGET_INSN_UNIT_SIZE 1
#ifdef __x86_64__
# define TCG_TARGET_NB_REGS 32
# define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB)
#else
# define TCG_TARGET_NB_REGS 24
# define MAX_CODE_GEN_BUFFER_SIZE UINT32_MAX
#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_XMM0,
TCG_REG_XMM1,
TCG_REG_XMM2,
TCG_REG_XMM3,
TCG_REG_XMM4,
TCG_REG_XMM5,
TCG_REG_XMM6,
TCG_REG_XMM7,
/* 64-bit registers; likewise always define. */
TCG_REG_XMM8,
TCG_REG_XMM9,
TCG_REG_XMM10,
TCG_REG_XMM11,
TCG_REG_XMM12,
TCG_REG_XMM13,
TCG_REG_XMM14,
TCG_REG_XMM15,
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,
TCG_AREG0 = TCG_REG_EBP,
TCG_REG_CALL_STACK = TCG_REG_ESP
} TCGReg;
/* used for function call generation */
#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
#define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_NORMAL
#define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_NORMAL
#if defined(_WIN64)
# define TCG_TARGET_CALL_ARG_I128 TCG_CALL_ARG_BY_REF
# define TCG_TARGET_CALL_RET_I128 TCG_CALL_RET_BY_VEC
#elif TCG_TARGET_REG_BITS == 64
# define TCG_TARGET_CALL_ARG_I128 TCG_CALL_ARG_NORMAL
# define TCG_TARGET_CALL_RET_I128 TCG_CALL_RET_NORMAL
#else
# define TCG_TARGET_CALL_ARG_I128 TCG_CALL_ARG_NORMAL
# define TCG_TARGET_CALL_RET_I128 TCG_CALL_RET_BY_REF
#endif
#define have_bmi1 (cpuinfo & CPUINFO_BMI1)
#define have_popcnt (cpuinfo & CPUINFO_POPCNT)
#define have_avx1 (cpuinfo & CPUINFO_AVX1)
#define have_avx2 (cpuinfo & CPUINFO_AVX2)
#define have_movbe (cpuinfo & CPUINFO_MOVBE)
/*
* There are interesting instructions in AVX512, so long as we have AVX512VL,
* which indicates support for EVEX on sizes smaller than 512 bits.
*/
#define have_avx512vl ((cpuinfo & CPUINFO_AVX512VL) && \
(cpuinfo & CPUINFO_AVX512F))
#define have_avx512bw ((cpuinfo & CPUINFO_AVX512BW) && have_avx512vl)
#define have_avx512dq ((cpuinfo & CPUINFO_AVX512DQ) && have_avx512vl)
#define have_avx512vbmi2 ((cpuinfo & CPUINFO_AVX512VBMI2) && have_avx512vl)
/* 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 have_bmi1
#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_clz_i32 1
#define TCG_TARGET_HAS_ctz_i32 1
#define TCG_TARGET_HAS_ctpop_i32 have_popcnt
#define TCG_TARGET_HAS_deposit_i32 1
#define TCG_TARGET_HAS_extract_i32 1
#define TCG_TARGET_HAS_sextract_i32 1
#define TCG_TARGET_HAS_extract2_i32 1
#define TCG_TARGET_HAS_movcond_i32 1
#define TCG_TARGET_HAS_add2_i32 1
#define TCG_TARGET_HAS_sub2_i32 1
#define TCG_TARGET_HAS_mulu2_i32 1
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0
#if TCG_TARGET_REG_BITS == 64
/* Keep 32-bit values zero-extended in a register. */
#define TCG_TARGET_HAS_extr_i64_i32 1
#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 have_bmi1
#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_clz_i64 1
#define TCG_TARGET_HAS_ctz_i64 1
#define TCG_TARGET_HAS_ctpop_i64 have_popcnt
#define TCG_TARGET_HAS_deposit_i64 1
#define TCG_TARGET_HAS_extract_i64 1
#define TCG_TARGET_HAS_sextract_i64 0
#define TCG_TARGET_HAS_extract2_i64 1
#define TCG_TARGET_HAS_movcond_i64 1
#define TCG_TARGET_HAS_add2_i64 1
#define TCG_TARGET_HAS_sub2_i64 1
#define TCG_TARGET_HAS_mulu2_i64 1
#define TCG_TARGET_HAS_muls2_i64 1
#define TCG_TARGET_HAS_muluh_i64 0
#define TCG_TARGET_HAS_mulsh_i64 0
#define TCG_TARGET_HAS_qemu_st8_i32 0
#else
#define TCG_TARGET_HAS_qemu_st8_i32 1
#endif
#define TCG_TARGET_HAS_qemu_ldst_i128 \
(TCG_TARGET_REG_BITS == 64 && (cpuinfo & CPUINFO_ATOMIC_VMOVDQA))
/* We do not support older SSE systems, only beginning with AVX1. */
#define TCG_TARGET_HAS_v64 have_avx1
#define TCG_TARGET_HAS_v128 have_avx1
#define TCG_TARGET_HAS_v256 have_avx2
#define TCG_TARGET_HAS_andc_vec 1
#define TCG_TARGET_HAS_orc_vec have_avx512vl
#define TCG_TARGET_HAS_nand_vec have_avx512vl
#define TCG_TARGET_HAS_nor_vec have_avx512vl
#define TCG_TARGET_HAS_eqv_vec have_avx512vl
#define TCG_TARGET_HAS_not_vec have_avx512vl
#define TCG_TARGET_HAS_neg_vec 0
#define TCG_TARGET_HAS_abs_vec 1
#define TCG_TARGET_HAS_roti_vec have_avx512vl
#define TCG_TARGET_HAS_rots_vec 0
#define TCG_TARGET_HAS_rotv_vec have_avx512vl
#define TCG_TARGET_HAS_shi_vec 1
#define TCG_TARGET_HAS_shs_vec 1
#define TCG_TARGET_HAS_shv_vec have_avx2
#define TCG_TARGET_HAS_mul_vec 1
#define TCG_TARGET_HAS_sat_vec 1
#define TCG_TARGET_HAS_minmax_vec 1
#define TCG_TARGET_HAS_bitsel_vec have_avx512vl
#define TCG_TARGET_HAS_cmpsel_vec -1
#define TCG_TARGET_deposit_i32_valid(ofs, len) \
(((ofs) == 0 && ((len) == 8 || (len) == 16)) || \
(TCG_TARGET_REG_BITS == 32 && (ofs) == 8 && (len) == 8))
#define TCG_TARGET_deposit_i64_valid TCG_TARGET_deposit_i32_valid
/* Check for the possibility of high-byte extraction and, for 64-bit,
zero-extending 32-bit right-shift. */
#define TCG_TARGET_extract_i32_valid(ofs, len) ((ofs) == 8 && (len) == 8)
#define TCG_TARGET_extract_i64_valid(ofs, len) \
(((ofs) == 8 && (len) == 8) || ((ofs) + (len)) == 32)
/* This defines the natural memory order supported by this
* architecture before guarantees made by various barrier
* instructions.
*
* The x86 has a pretty strong memory ordering which only really
* allows for some stores to be re-ordered after loads.
*/
#include "tcg/tcg-mo.h"
#define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD)
#define TCG_TARGET_NEED_LDST_LABELS
#define TCG_TARGET_NEED_POOL_LABELS
#endif
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