diff options
Diffstat (limited to 'tcg/riscv/tcg-target-has.h')
| -rw-r--r-- | tcg/riscv/tcg-target-has.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/tcg/riscv/tcg-target-has.h b/tcg/riscv/tcg-target-has.h new file mode 100644 index 0000000..aef10c2 --- /dev/null +++ b/tcg/riscv/tcg-target-has.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Define target-specific opcode support + * Copyright (c) 2018 SiFive, Inc + */ + +#ifndef TCG_TARGET_HAS_H +#define TCG_TARGET_HAS_H + +#include "host/cpuinfo.h" + +/* optional instructions */ +#define TCG_TARGET_HAS_extr_i64_i32 1 +#define TCG_TARGET_HAS_qemu_ldst_i128 0 +#define TCG_TARGET_HAS_tst 0 + +/* vector instructions */ +#define TCG_TARGET_HAS_v64 (cpuinfo & CPUINFO_ZVE64X) +#define TCG_TARGET_HAS_v128 (cpuinfo & CPUINFO_ZVE64X) +#define TCG_TARGET_HAS_v256 (cpuinfo & CPUINFO_ZVE64X) +#define TCG_TARGET_HAS_andc_vec 0 +#define TCG_TARGET_HAS_orc_vec 0 +#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 0 +#define TCG_TARGET_HAS_roti_vec 1 +#define TCG_TARGET_HAS_rots_vec 1 +#define TCG_TARGET_HAS_rotv_vec 1 +#define TCG_TARGET_HAS_shi_vec 1 +#define TCG_TARGET_HAS_shs_vec 1 +#define TCG_TARGET_HAS_shv_vec 1 +#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 0 +#define TCG_TARGET_HAS_cmpsel_vec 1 + +#define TCG_TARGET_HAS_tst_vec 0 + +static inline bool +tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len) +{ + if (type == TCG_TYPE_I64 && ofs + len == 32) { + /* ofs > 0 uses SRLIW; ofs == 0 uses add.uw. */ + return ofs || (cpuinfo & CPUINFO_ZBA); + } + switch (len) { + case 1: + return (cpuinfo & CPUINFO_ZBS) && ofs != 0; + case 16: + return (cpuinfo & CPUINFO_ZBB) && ofs == 0; + } + return false; +} +#define TCG_TARGET_extract_valid tcg_target_extract_valid + +static inline bool +tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len) +{ + if (type == TCG_TYPE_I64 && ofs + len == 32) { + return true; + } + return (cpuinfo & CPUINFO_ZBB) && ofs == 0 && (len == 8 || len == 16); +} +#define TCG_TARGET_sextract_valid tcg_target_sextract_valid + +#define TCG_TARGET_deposit_valid(type, ofs, len) 0 + +#endif |