mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Define target-specific opcode support
|
|
* Copyright (c) 2008 Fabrice Bellard
|
|
* Copyright (c) 2008 Andrzej Zaborowski
|
|
*/
|
|
|
|
#ifndef TCG_TARGET_HAS_H
|
|
#define TCG_TARGET_HAS_H
|
|
|
|
extern int arm_arch;
|
|
|
|
#define use_armv7_instructions (__ARM_ARCH >= 7 || arm_arch >= 7)
|
|
|
|
#ifdef __ARM_ARCH_EXT_IDIV__
|
|
#define use_idiv_instructions 1
|
|
#else
|
|
extern bool use_idiv_instructions;
|
|
#endif
|
|
#ifdef __ARM_NEON__
|
|
#define use_neon_instructions 1
|
|
#else
|
|
extern bool use_neon_instructions;
|
|
#endif
|
|
|
|
/* optional instructions */
|
|
#define TCG_TARGET_HAS_ext8s_i32 1
|
|
#define TCG_TARGET_HAS_ext16s_i32 1
|
|
#define TCG_TARGET_HAS_ext8u_i32 0 /* and r0, r1, #0xff */
|
|
#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_not_i32 1
|
|
#define TCG_TARGET_HAS_rot_i32 1
|
|
#define TCG_TARGET_HAS_andc_i32 1
|
|
#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 use_armv7_instructions
|
|
#define TCG_TARGET_HAS_ctpop_i32 0
|
|
#define TCG_TARGET_HAS_extract2_i32 1
|
|
#define TCG_TARGET_HAS_negsetcond_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
|
|
#define TCG_TARGET_HAS_div_i32 use_idiv_instructions
|
|
#define TCG_TARGET_HAS_rem_i32 0
|
|
#define TCG_TARGET_HAS_qemu_st8_i32 0
|
|
|
|
#define TCG_TARGET_HAS_qemu_ldst_i128 0
|
|
|
|
#define TCG_TARGET_HAS_tst 1
|
|
|
|
#define TCG_TARGET_HAS_v64 use_neon_instructions
|
|
#define TCG_TARGET_HAS_v128 use_neon_instructions
|
|
#define TCG_TARGET_HAS_v256 0
|
|
|
|
#define TCG_TARGET_HAS_andc_vec 1
|
|
#define TCG_TARGET_HAS_orc_vec 1
|
|
#define TCG_TARGET_HAS_nand_vec 0
|
|
#define TCG_TARGET_HAS_nor_vec 0
|
|
#define TCG_TARGET_HAS_eqv_vec 0
|
|
#define TCG_TARGET_HAS_not_vec 1
|
|
#define TCG_TARGET_HAS_neg_vec 1
|
|
#define TCG_TARGET_HAS_abs_vec 1
|
|
#define TCG_TARGET_HAS_roti_vec 0
|
|
#define TCG_TARGET_HAS_rots_vec 0
|
|
#define TCG_TARGET_HAS_rotv_vec 0
|
|
#define TCG_TARGET_HAS_shi_vec 1
|
|
#define TCG_TARGET_HAS_shs_vec 0
|
|
#define TCG_TARGET_HAS_shv_vec 0
|
|
#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 1
|
|
#define TCG_TARGET_HAS_cmpsel_vec 0
|
|
#define TCG_TARGET_HAS_tst_vec 1
|
|
|
|
static inline bool
|
|
tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len)
|
|
{
|
|
if (use_armv7_instructions) {
|
|
return true; /* SBFX or UBFX */
|
|
}
|
|
switch (len) {
|
|
case 8: /* SXTB or UXTB */
|
|
case 16: /* SXTH or UXTH */
|
|
return (ofs % 8) == 0;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#define TCG_TARGET_extract_valid tcg_target_extract_valid
|
|
#define TCG_TARGET_sextract_valid tcg_target_extract_valid
|
|
#define TCG_TARGET_deposit_valid(type, ofs, len) use_armv7_instructions
|
|
|
|
#endif
|