Files
qemu/tcg/riscv64/tcg-target-has.h
Richard Henderson 264ae24c36 meson: Drop host_arch rename for riscv64
This requires renaming several directories:
tcg/riscv, linux-user/include/host/riscv, and
common-user/host/riscv.

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>
2026-01-17 10:46:07 +11:00

73 lines
2.2 KiB
C

/* 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