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33aba058c8
The i386 backend can now check TCGOP_FLAGS to select the correct set of constraints. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Define target-specific opcode support
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* Copyright (c) 2008 Fabrice Bellard
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* Copyright (c) 2008 Andrzej Zaborowski
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*/
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#ifndef TCG_TARGET_HAS_H
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#define TCG_TARGET_HAS_H
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extern int arm_arch;
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#define use_armv7_instructions (__ARM_ARCH >= 7 || arm_arch >= 7)
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#ifdef __ARM_ARCH_EXT_IDIV__
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#define use_idiv_instructions 1
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#else
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extern bool use_idiv_instructions;
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#endif
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#ifdef __ARM_NEON__
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#define use_neon_instructions 1
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#else
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extern bool use_neon_instructions;
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#endif
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/* optional instructions */
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#define TCG_TARGET_HAS_qemu_ldst_i128 0
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#define TCG_TARGET_HAS_tst 1
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#define TCG_TARGET_HAS_v64 use_neon_instructions
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#define TCG_TARGET_HAS_v128 use_neon_instructions
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#define TCG_TARGET_HAS_v256 0
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#define TCG_TARGET_HAS_andc_vec 1
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#define TCG_TARGET_HAS_orc_vec 1
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#define TCG_TARGET_HAS_nand_vec 0
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#define TCG_TARGET_HAS_nor_vec 0
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#define TCG_TARGET_HAS_eqv_vec 0
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#define TCG_TARGET_HAS_not_vec 1
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#define TCG_TARGET_HAS_neg_vec 1
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#define TCG_TARGET_HAS_abs_vec 1
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#define TCG_TARGET_HAS_roti_vec 0
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#define TCG_TARGET_HAS_rots_vec 0
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#define TCG_TARGET_HAS_rotv_vec 0
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#define TCG_TARGET_HAS_shi_vec 1
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#define TCG_TARGET_HAS_shs_vec 0
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#define TCG_TARGET_HAS_shv_vec 0
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#define TCG_TARGET_HAS_mul_vec 1
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#define TCG_TARGET_HAS_sat_vec 1
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#define TCG_TARGET_HAS_minmax_vec 1
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#define TCG_TARGET_HAS_bitsel_vec 1
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#define TCG_TARGET_HAS_cmpsel_vec 0
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#define TCG_TARGET_HAS_tst_vec 1
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static inline bool
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tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len)
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{
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if (use_armv7_instructions) {
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return true; /* SBFX or UBFX */
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}
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switch (len) {
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case 8: /* SXTB or UXTB */
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case 16: /* SXTH or UXTH */
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return (ofs % 8) == 0;
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}
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return false;
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}
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#define TCG_TARGET_extract_valid tcg_target_extract_valid
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#define TCG_TARGET_sextract_valid tcg_target_extract_valid
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#define TCG_TARGET_deposit_valid(type, ofs, len) use_armv7_instructions
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#endif
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