8fcdf77630
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20200701152549.1218-12-zhiwei_liu@c-sky.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
1131 lines
46 KiB
C
1131 lines
46 KiB
C
/*
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* RISC-V Vector Extension Helpers for QEMU.
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*
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* Copyright (c) 2020 T-Head Semiconductor Co., Ltd. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2 or later, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "exec/memop.h"
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#include "exec/exec-all.h"
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#include "exec/helper-proto.h"
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#include "tcg/tcg-gvec-desc.h"
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#include "internals.h"
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#include <math.h>
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target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1,
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target_ulong s2)
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{
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int vlmax, vl;
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RISCVCPU *cpu = env_archcpu(env);
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uint16_t sew = 8 << FIELD_EX64(s2, VTYPE, VSEW);
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uint8_t ediv = FIELD_EX64(s2, VTYPE, VEDIV);
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bool vill = FIELD_EX64(s2, VTYPE, VILL);
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target_ulong reserved = FIELD_EX64(s2, VTYPE, RESERVED);
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if ((sew > cpu->cfg.elen) || vill || (ediv != 0) || (reserved != 0)) {
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/* only set vill bit. */
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env->vtype = FIELD_DP64(0, VTYPE, VILL, 1);
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env->vl = 0;
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env->vstart = 0;
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return 0;
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}
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vlmax = vext_get_vlmax(cpu, s2);
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if (s1 <= vlmax) {
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vl = s1;
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} else {
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vl = vlmax;
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}
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env->vl = vl;
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env->vtype = s2;
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env->vstart = 0;
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return vl;
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}
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/*
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* Note that vector data is stored in host-endian 64-bit chunks,
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* so addressing units smaller than that needs a host-endian fixup.
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*/
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#ifdef HOST_WORDS_BIGENDIAN
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#define H1(x) ((x) ^ 7)
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#define H1_2(x) ((x) ^ 6)
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#define H1_4(x) ((x) ^ 4)
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#define H2(x) ((x) ^ 3)
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#define H4(x) ((x) ^ 1)
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#define H8(x) ((x))
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#else
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#define H1(x) (x)
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#define H1_2(x) (x)
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#define H1_4(x) (x)
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#define H2(x) (x)
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#define H4(x) (x)
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#define H8(x) (x)
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#endif
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static inline uint32_t vext_nf(uint32_t desc)
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{
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return FIELD_EX32(simd_data(desc), VDATA, NF);
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}
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static inline uint32_t vext_mlen(uint32_t desc)
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{
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return FIELD_EX32(simd_data(desc), VDATA, MLEN);
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}
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static inline uint32_t vext_vm(uint32_t desc)
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{
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return FIELD_EX32(simd_data(desc), VDATA, VM);
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}
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static inline uint32_t vext_lmul(uint32_t desc)
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{
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return FIELD_EX32(simd_data(desc), VDATA, LMUL);
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}
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static uint32_t vext_wd(uint32_t desc)
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{
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return (simd_data(desc) >> 11) & 0x1;
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}
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/*
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* Get vector group length in bytes. Its range is [64, 2048].
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*
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* As simd_desc support at most 256, the max vlen is 512 bits.
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* So vlen in bytes is encoded as maxsz.
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*/
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static inline uint32_t vext_maxsz(uint32_t desc)
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{
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return simd_maxsz(desc) << vext_lmul(desc);
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}
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/*
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* This function checks watchpoint before real load operation.
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*
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* In softmmu mode, the TLB API probe_access is enough for watchpoint check.
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* In user mode, there is no watchpoint support now.
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*
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* It will trigger an exception if there is no mapping in TLB
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* and page table walk can't fill the TLB entry. Then the guest
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* software can return here after process the exception or never return.
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*/
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static void probe_pages(CPURISCVState *env, target_ulong addr,
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target_ulong len, uintptr_t ra,
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MMUAccessType access_type)
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{
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target_ulong pagelen = -(addr | TARGET_PAGE_MASK);
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target_ulong curlen = MIN(pagelen, len);
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probe_access(env, addr, curlen, access_type,
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cpu_mmu_index(env, false), ra);
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if (len > curlen) {
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addr += curlen;
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curlen = len - curlen;
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probe_access(env, addr, curlen, access_type,
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cpu_mmu_index(env, false), ra);
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}
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}
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#ifdef HOST_WORDS_BIGENDIAN
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static void vext_clear(void *tail, uint32_t cnt, uint32_t tot)
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{
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/*
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* Split the remaining range to two parts.
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* The first part is in the last uint64_t unit.
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* The second part start from the next uint64_t unit.
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*/
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int part1 = 0, part2 = tot - cnt;
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if (cnt % 8) {
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part1 = 8 - (cnt % 8);
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part2 = tot - cnt - part1;
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memset((void *)((uintptr_t)tail & ~(7ULL)), 0, part1);
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memset((void *)(((uintptr_t)tail + 8) & ~(7ULL)), 0, part2);
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} else {
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memset(tail, 0, part2);
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}
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}
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#else
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static void vext_clear(void *tail, uint32_t cnt, uint32_t tot)
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{
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memset(tail, 0, tot - cnt);
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}
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#endif
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static void clearb(void *vd, uint32_t idx, uint32_t cnt, uint32_t tot)
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{
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int8_t *cur = ((int8_t *)vd + H1(idx));
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vext_clear(cur, cnt, tot);
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}
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static void clearh(void *vd, uint32_t idx, uint32_t cnt, uint32_t tot)
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{
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int16_t *cur = ((int16_t *)vd + H2(idx));
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vext_clear(cur, cnt, tot);
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}
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static void clearl(void *vd, uint32_t idx, uint32_t cnt, uint32_t tot)
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{
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int32_t *cur = ((int32_t *)vd + H4(idx));
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vext_clear(cur, cnt, tot);
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}
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static void clearq(void *vd, uint32_t idx, uint32_t cnt, uint32_t tot)
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{
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int64_t *cur = (int64_t *)vd + idx;
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vext_clear(cur, cnt, tot);
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}
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static inline int vext_elem_mask(void *v0, int mlen, int index)
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{
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int idx = (index * mlen) / 64;
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int pos = (index * mlen) % 64;
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return (((uint64_t *)v0)[idx] >> pos) & 1;
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}
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/* elements operations for load and store */
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typedef void vext_ldst_elem_fn(CPURISCVState *env, target_ulong addr,
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uint32_t idx, void *vd, uintptr_t retaddr);
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typedef void clear_fn(void *vd, uint32_t idx, uint32_t cnt, uint32_t tot);
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#define GEN_VEXT_LD_ELEM(NAME, MTYPE, ETYPE, H, LDSUF) \
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static void NAME(CPURISCVState *env, abi_ptr addr, \
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uint32_t idx, void *vd, uintptr_t retaddr)\
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{ \
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MTYPE data; \
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ETYPE *cur = ((ETYPE *)vd + H(idx)); \
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data = cpu_##LDSUF##_data_ra(env, addr, retaddr); \
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*cur = data; \
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} \
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GEN_VEXT_LD_ELEM(ldb_b, int8_t, int8_t, H1, ldsb)
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GEN_VEXT_LD_ELEM(ldb_h, int8_t, int16_t, H2, ldsb)
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GEN_VEXT_LD_ELEM(ldb_w, int8_t, int32_t, H4, ldsb)
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GEN_VEXT_LD_ELEM(ldb_d, int8_t, int64_t, H8, ldsb)
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GEN_VEXT_LD_ELEM(ldh_h, int16_t, int16_t, H2, ldsw)
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GEN_VEXT_LD_ELEM(ldh_w, int16_t, int32_t, H4, ldsw)
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GEN_VEXT_LD_ELEM(ldh_d, int16_t, int64_t, H8, ldsw)
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GEN_VEXT_LD_ELEM(ldw_w, int32_t, int32_t, H4, ldl)
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GEN_VEXT_LD_ELEM(ldw_d, int32_t, int64_t, H8, ldl)
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GEN_VEXT_LD_ELEM(lde_b, int8_t, int8_t, H1, ldsb)
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GEN_VEXT_LD_ELEM(lde_h, int16_t, int16_t, H2, ldsw)
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GEN_VEXT_LD_ELEM(lde_w, int32_t, int32_t, H4, ldl)
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GEN_VEXT_LD_ELEM(lde_d, int64_t, int64_t, H8, ldq)
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GEN_VEXT_LD_ELEM(ldbu_b, uint8_t, uint8_t, H1, ldub)
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GEN_VEXT_LD_ELEM(ldbu_h, uint8_t, uint16_t, H2, ldub)
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GEN_VEXT_LD_ELEM(ldbu_w, uint8_t, uint32_t, H4, ldub)
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GEN_VEXT_LD_ELEM(ldbu_d, uint8_t, uint64_t, H8, ldub)
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GEN_VEXT_LD_ELEM(ldhu_h, uint16_t, uint16_t, H2, lduw)
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GEN_VEXT_LD_ELEM(ldhu_w, uint16_t, uint32_t, H4, lduw)
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GEN_VEXT_LD_ELEM(ldhu_d, uint16_t, uint64_t, H8, lduw)
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GEN_VEXT_LD_ELEM(ldwu_w, uint32_t, uint32_t, H4, ldl)
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GEN_VEXT_LD_ELEM(ldwu_d, uint32_t, uint64_t, H8, ldl)
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#define GEN_VEXT_ST_ELEM(NAME, ETYPE, H, STSUF) \
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static void NAME(CPURISCVState *env, abi_ptr addr, \
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uint32_t idx, void *vd, uintptr_t retaddr)\
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{ \
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ETYPE data = *((ETYPE *)vd + H(idx)); \
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cpu_##STSUF##_data_ra(env, addr, data, retaddr); \
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}
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GEN_VEXT_ST_ELEM(stb_b, int8_t, H1, stb)
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GEN_VEXT_ST_ELEM(stb_h, int16_t, H2, stb)
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GEN_VEXT_ST_ELEM(stb_w, int32_t, H4, stb)
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GEN_VEXT_ST_ELEM(stb_d, int64_t, H8, stb)
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GEN_VEXT_ST_ELEM(sth_h, int16_t, H2, stw)
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GEN_VEXT_ST_ELEM(sth_w, int32_t, H4, stw)
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GEN_VEXT_ST_ELEM(sth_d, int64_t, H8, stw)
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GEN_VEXT_ST_ELEM(stw_w, int32_t, H4, stl)
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GEN_VEXT_ST_ELEM(stw_d, int64_t, H8, stl)
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GEN_VEXT_ST_ELEM(ste_b, int8_t, H1, stb)
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GEN_VEXT_ST_ELEM(ste_h, int16_t, H2, stw)
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GEN_VEXT_ST_ELEM(ste_w, int32_t, H4, stl)
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GEN_VEXT_ST_ELEM(ste_d, int64_t, H8, stq)
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/*
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*** stride: access vector element from strided memory
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*/
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static void
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vext_ldst_stride(void *vd, void *v0, target_ulong base,
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target_ulong stride, CPURISCVState *env,
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uint32_t desc, uint32_t vm,
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vext_ldst_elem_fn *ldst_elem, clear_fn *clear_elem,
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uint32_t esz, uint32_t msz, uintptr_t ra,
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MMUAccessType access_type)
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{
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uint32_t i, k;
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uint32_t nf = vext_nf(desc);
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uint32_t mlen = vext_mlen(desc);
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uint32_t vlmax = vext_maxsz(desc) / esz;
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/* probe every access*/
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for (i = 0; i < env->vl; i++) {
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if (!vm && !vext_elem_mask(v0, mlen, i)) {
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continue;
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}
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probe_pages(env, base + stride * i, nf * msz, ra, access_type);
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}
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/* do real access */
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for (i = 0; i < env->vl; i++) {
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k = 0;
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if (!vm && !vext_elem_mask(v0, mlen, i)) {
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continue;
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}
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while (k < nf) {
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target_ulong addr = base + stride * i + k * msz;
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ldst_elem(env, addr, i + k * vlmax, vd, ra);
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k++;
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}
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}
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/* clear tail elements */
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if (clear_elem) {
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for (k = 0; k < nf; k++) {
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clear_elem(vd, env->vl + k * vlmax, env->vl * esz, vlmax * esz);
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}
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}
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}
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#define GEN_VEXT_LD_STRIDE(NAME, MTYPE, ETYPE, LOAD_FN, CLEAR_FN) \
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void HELPER(NAME)(void *vd, void * v0, target_ulong base, \
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target_ulong stride, CPURISCVState *env, \
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uint32_t desc) \
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{ \
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uint32_t vm = vext_vm(desc); \
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vext_ldst_stride(vd, v0, base, stride, env, desc, vm, LOAD_FN, \
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CLEAR_FN, sizeof(ETYPE), sizeof(MTYPE), \
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GETPC(), MMU_DATA_LOAD); \
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}
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GEN_VEXT_LD_STRIDE(vlsb_v_b, int8_t, int8_t, ldb_b, clearb)
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GEN_VEXT_LD_STRIDE(vlsb_v_h, int8_t, int16_t, ldb_h, clearh)
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GEN_VEXT_LD_STRIDE(vlsb_v_w, int8_t, int32_t, ldb_w, clearl)
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GEN_VEXT_LD_STRIDE(vlsb_v_d, int8_t, int64_t, ldb_d, clearq)
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GEN_VEXT_LD_STRIDE(vlsh_v_h, int16_t, int16_t, ldh_h, clearh)
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GEN_VEXT_LD_STRIDE(vlsh_v_w, int16_t, int32_t, ldh_w, clearl)
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GEN_VEXT_LD_STRIDE(vlsh_v_d, int16_t, int64_t, ldh_d, clearq)
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GEN_VEXT_LD_STRIDE(vlsw_v_w, int32_t, int32_t, ldw_w, clearl)
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GEN_VEXT_LD_STRIDE(vlsw_v_d, int32_t, int64_t, ldw_d, clearq)
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GEN_VEXT_LD_STRIDE(vlse_v_b, int8_t, int8_t, lde_b, clearb)
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GEN_VEXT_LD_STRIDE(vlse_v_h, int16_t, int16_t, lde_h, clearh)
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GEN_VEXT_LD_STRIDE(vlse_v_w, int32_t, int32_t, lde_w, clearl)
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GEN_VEXT_LD_STRIDE(vlse_v_d, int64_t, int64_t, lde_d, clearq)
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GEN_VEXT_LD_STRIDE(vlsbu_v_b, uint8_t, uint8_t, ldbu_b, clearb)
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GEN_VEXT_LD_STRIDE(vlsbu_v_h, uint8_t, uint16_t, ldbu_h, clearh)
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GEN_VEXT_LD_STRIDE(vlsbu_v_w, uint8_t, uint32_t, ldbu_w, clearl)
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GEN_VEXT_LD_STRIDE(vlsbu_v_d, uint8_t, uint64_t, ldbu_d, clearq)
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GEN_VEXT_LD_STRIDE(vlshu_v_h, uint16_t, uint16_t, ldhu_h, clearh)
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GEN_VEXT_LD_STRIDE(vlshu_v_w, uint16_t, uint32_t, ldhu_w, clearl)
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GEN_VEXT_LD_STRIDE(vlshu_v_d, uint16_t, uint64_t, ldhu_d, clearq)
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GEN_VEXT_LD_STRIDE(vlswu_v_w, uint32_t, uint32_t, ldwu_w, clearl)
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GEN_VEXT_LD_STRIDE(vlswu_v_d, uint32_t, uint64_t, ldwu_d, clearq)
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#define GEN_VEXT_ST_STRIDE(NAME, MTYPE, ETYPE, STORE_FN) \
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void HELPER(NAME)(void *vd, void *v0, target_ulong base, \
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target_ulong stride, CPURISCVState *env, \
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uint32_t desc) \
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{ \
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uint32_t vm = vext_vm(desc); \
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vext_ldst_stride(vd, v0, base, stride, env, desc, vm, STORE_FN, \
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NULL, sizeof(ETYPE), sizeof(MTYPE), \
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GETPC(), MMU_DATA_STORE); \
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}
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GEN_VEXT_ST_STRIDE(vssb_v_b, int8_t, int8_t, stb_b)
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GEN_VEXT_ST_STRIDE(vssb_v_h, int8_t, int16_t, stb_h)
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GEN_VEXT_ST_STRIDE(vssb_v_w, int8_t, int32_t, stb_w)
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GEN_VEXT_ST_STRIDE(vssb_v_d, int8_t, int64_t, stb_d)
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GEN_VEXT_ST_STRIDE(vssh_v_h, int16_t, int16_t, sth_h)
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GEN_VEXT_ST_STRIDE(vssh_v_w, int16_t, int32_t, sth_w)
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GEN_VEXT_ST_STRIDE(vssh_v_d, int16_t, int64_t, sth_d)
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GEN_VEXT_ST_STRIDE(vssw_v_w, int32_t, int32_t, stw_w)
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GEN_VEXT_ST_STRIDE(vssw_v_d, int32_t, int64_t, stw_d)
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GEN_VEXT_ST_STRIDE(vsse_v_b, int8_t, int8_t, ste_b)
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GEN_VEXT_ST_STRIDE(vsse_v_h, int16_t, int16_t, ste_h)
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GEN_VEXT_ST_STRIDE(vsse_v_w, int32_t, int32_t, ste_w)
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GEN_VEXT_ST_STRIDE(vsse_v_d, int64_t, int64_t, ste_d)
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/*
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*** unit-stride: access elements stored contiguously in memory
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*/
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/* unmasked unit-stride load and store operation*/
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static void
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vext_ldst_us(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc,
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vext_ldst_elem_fn *ldst_elem, clear_fn *clear_elem,
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uint32_t esz, uint32_t msz, uintptr_t ra,
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MMUAccessType access_type)
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{
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uint32_t i, k;
|
|
uint32_t nf = vext_nf(desc);
|
|
uint32_t vlmax = vext_maxsz(desc) / esz;
|
|
|
|
/* probe every access */
|
|
probe_pages(env, base, env->vl * nf * msz, ra, access_type);
|
|
/* load bytes from guest memory */
|
|
for (i = 0; i < env->vl; i++) {
|
|
k = 0;
|
|
while (k < nf) {
|
|
target_ulong addr = base + (i * nf + k) * msz;
|
|
ldst_elem(env, addr, i + k * vlmax, vd, ra);
|
|
k++;
|
|
}
|
|
}
|
|
/* clear tail elements */
|
|
if (clear_elem) {
|
|
for (k = 0; k < nf; k++) {
|
|
clear_elem(vd, env->vl + k * vlmax, env->vl * esz, vlmax * esz);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* masked unit-stride load and store operation will be a special case of stride,
|
|
* stride = NF * sizeof (MTYPE)
|
|
*/
|
|
|
|
#define GEN_VEXT_LD_US(NAME, MTYPE, ETYPE, LOAD_FN, CLEAR_FN) \
|
|
void HELPER(NAME##_mask)(void *vd, void *v0, target_ulong base, \
|
|
CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
uint32_t stride = vext_nf(desc) * sizeof(MTYPE); \
|
|
vext_ldst_stride(vd, v0, base, stride, env, desc, false, LOAD_FN, \
|
|
CLEAR_FN, sizeof(ETYPE), sizeof(MTYPE), \
|
|
GETPC(), MMU_DATA_LOAD); \
|
|
} \
|
|
\
|
|
void HELPER(NAME)(void *vd, void *v0, target_ulong base, \
|
|
CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
vext_ldst_us(vd, base, env, desc, LOAD_FN, CLEAR_FN, \
|
|
sizeof(ETYPE), sizeof(MTYPE), GETPC(), MMU_DATA_LOAD); \
|
|
}
|
|
|
|
GEN_VEXT_LD_US(vlb_v_b, int8_t, int8_t, ldb_b, clearb)
|
|
GEN_VEXT_LD_US(vlb_v_h, int8_t, int16_t, ldb_h, clearh)
|
|
GEN_VEXT_LD_US(vlb_v_w, int8_t, int32_t, ldb_w, clearl)
|
|
GEN_VEXT_LD_US(vlb_v_d, int8_t, int64_t, ldb_d, clearq)
|
|
GEN_VEXT_LD_US(vlh_v_h, int16_t, int16_t, ldh_h, clearh)
|
|
GEN_VEXT_LD_US(vlh_v_w, int16_t, int32_t, ldh_w, clearl)
|
|
GEN_VEXT_LD_US(vlh_v_d, int16_t, int64_t, ldh_d, clearq)
|
|
GEN_VEXT_LD_US(vlw_v_w, int32_t, int32_t, ldw_w, clearl)
|
|
GEN_VEXT_LD_US(vlw_v_d, int32_t, int64_t, ldw_d, clearq)
|
|
GEN_VEXT_LD_US(vle_v_b, int8_t, int8_t, lde_b, clearb)
|
|
GEN_VEXT_LD_US(vle_v_h, int16_t, int16_t, lde_h, clearh)
|
|
GEN_VEXT_LD_US(vle_v_w, int32_t, int32_t, lde_w, clearl)
|
|
GEN_VEXT_LD_US(vle_v_d, int64_t, int64_t, lde_d, clearq)
|
|
GEN_VEXT_LD_US(vlbu_v_b, uint8_t, uint8_t, ldbu_b, clearb)
|
|
GEN_VEXT_LD_US(vlbu_v_h, uint8_t, uint16_t, ldbu_h, clearh)
|
|
GEN_VEXT_LD_US(vlbu_v_w, uint8_t, uint32_t, ldbu_w, clearl)
|
|
GEN_VEXT_LD_US(vlbu_v_d, uint8_t, uint64_t, ldbu_d, clearq)
|
|
GEN_VEXT_LD_US(vlhu_v_h, uint16_t, uint16_t, ldhu_h, clearh)
|
|
GEN_VEXT_LD_US(vlhu_v_w, uint16_t, uint32_t, ldhu_w, clearl)
|
|
GEN_VEXT_LD_US(vlhu_v_d, uint16_t, uint64_t, ldhu_d, clearq)
|
|
GEN_VEXT_LD_US(vlwu_v_w, uint32_t, uint32_t, ldwu_w, clearl)
|
|
GEN_VEXT_LD_US(vlwu_v_d, uint32_t, uint64_t, ldwu_d, clearq)
|
|
|
|
#define GEN_VEXT_ST_US(NAME, MTYPE, ETYPE, STORE_FN) \
|
|
void HELPER(NAME##_mask)(void *vd, void *v0, target_ulong base, \
|
|
CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
uint32_t stride = vext_nf(desc) * sizeof(MTYPE); \
|
|
vext_ldst_stride(vd, v0, base, stride, env, desc, false, STORE_FN, \
|
|
NULL, sizeof(ETYPE), sizeof(MTYPE), \
|
|
GETPC(), MMU_DATA_STORE); \
|
|
} \
|
|
\
|
|
void HELPER(NAME)(void *vd, void *v0, target_ulong base, \
|
|
CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
vext_ldst_us(vd, base, env, desc, STORE_FN, NULL, \
|
|
sizeof(ETYPE), sizeof(MTYPE), GETPC(), MMU_DATA_STORE);\
|
|
}
|
|
|
|
GEN_VEXT_ST_US(vsb_v_b, int8_t, int8_t , stb_b)
|
|
GEN_VEXT_ST_US(vsb_v_h, int8_t, int16_t, stb_h)
|
|
GEN_VEXT_ST_US(vsb_v_w, int8_t, int32_t, stb_w)
|
|
GEN_VEXT_ST_US(vsb_v_d, int8_t, int64_t, stb_d)
|
|
GEN_VEXT_ST_US(vsh_v_h, int16_t, int16_t, sth_h)
|
|
GEN_VEXT_ST_US(vsh_v_w, int16_t, int32_t, sth_w)
|
|
GEN_VEXT_ST_US(vsh_v_d, int16_t, int64_t, sth_d)
|
|
GEN_VEXT_ST_US(vsw_v_w, int32_t, int32_t, stw_w)
|
|
GEN_VEXT_ST_US(vsw_v_d, int32_t, int64_t, stw_d)
|
|
GEN_VEXT_ST_US(vse_v_b, int8_t, int8_t , ste_b)
|
|
GEN_VEXT_ST_US(vse_v_h, int16_t, int16_t, ste_h)
|
|
GEN_VEXT_ST_US(vse_v_w, int32_t, int32_t, ste_w)
|
|
GEN_VEXT_ST_US(vse_v_d, int64_t, int64_t, ste_d)
|
|
|
|
/*
|
|
*** index: access vector element from indexed memory
|
|
*/
|
|
typedef target_ulong vext_get_index_addr(target_ulong base,
|
|
uint32_t idx, void *vs2);
|
|
|
|
#define GEN_VEXT_GET_INDEX_ADDR(NAME, ETYPE, H) \
|
|
static target_ulong NAME(target_ulong base, \
|
|
uint32_t idx, void *vs2) \
|
|
{ \
|
|
return (base + *((ETYPE *)vs2 + H(idx))); \
|
|
}
|
|
|
|
GEN_VEXT_GET_INDEX_ADDR(idx_b, int8_t, H1)
|
|
GEN_VEXT_GET_INDEX_ADDR(idx_h, int16_t, H2)
|
|
GEN_VEXT_GET_INDEX_ADDR(idx_w, int32_t, H4)
|
|
GEN_VEXT_GET_INDEX_ADDR(idx_d, int64_t, H8)
|
|
|
|
static inline void
|
|
vext_ldst_index(void *vd, void *v0, target_ulong base,
|
|
void *vs2, CPURISCVState *env, uint32_t desc,
|
|
vext_get_index_addr get_index_addr,
|
|
vext_ldst_elem_fn *ldst_elem,
|
|
clear_fn *clear_elem,
|
|
uint32_t esz, uint32_t msz, uintptr_t ra,
|
|
MMUAccessType access_type)
|
|
{
|
|
uint32_t i, k;
|
|
uint32_t nf = vext_nf(desc);
|
|
uint32_t vm = vext_vm(desc);
|
|
uint32_t mlen = vext_mlen(desc);
|
|
uint32_t vlmax = vext_maxsz(desc) / esz;
|
|
|
|
/* probe every access*/
|
|
for (i = 0; i < env->vl; i++) {
|
|
if (!vm && !vext_elem_mask(v0, mlen, i)) {
|
|
continue;
|
|
}
|
|
probe_pages(env, get_index_addr(base, i, vs2), nf * msz, ra,
|
|
access_type);
|
|
}
|
|
/* load bytes from guest memory */
|
|
for (i = 0; i < env->vl; i++) {
|
|
k = 0;
|
|
if (!vm && !vext_elem_mask(v0, mlen, i)) {
|
|
continue;
|
|
}
|
|
while (k < nf) {
|
|
abi_ptr addr = get_index_addr(base, i, vs2) + k * msz;
|
|
ldst_elem(env, addr, i + k * vlmax, vd, ra);
|
|
k++;
|
|
}
|
|
}
|
|
/* clear tail elements */
|
|
if (clear_elem) {
|
|
for (k = 0; k < nf; k++) {
|
|
clear_elem(vd, env->vl + k * vlmax, env->vl * esz, vlmax * esz);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define GEN_VEXT_LD_INDEX(NAME, MTYPE, ETYPE, INDEX_FN, LOAD_FN, CLEAR_FN) \
|
|
void HELPER(NAME)(void *vd, void *v0, target_ulong base, \
|
|
void *vs2, CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
vext_ldst_index(vd, v0, base, vs2, env, desc, INDEX_FN, \
|
|
LOAD_FN, CLEAR_FN, sizeof(ETYPE), sizeof(MTYPE), \
|
|
GETPC(), MMU_DATA_LOAD); \
|
|
}
|
|
|
|
GEN_VEXT_LD_INDEX(vlxb_v_b, int8_t, int8_t, idx_b, ldb_b, clearb)
|
|
GEN_VEXT_LD_INDEX(vlxb_v_h, int8_t, int16_t, idx_h, ldb_h, clearh)
|
|
GEN_VEXT_LD_INDEX(vlxb_v_w, int8_t, int32_t, idx_w, ldb_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxb_v_d, int8_t, int64_t, idx_d, ldb_d, clearq)
|
|
GEN_VEXT_LD_INDEX(vlxh_v_h, int16_t, int16_t, idx_h, ldh_h, clearh)
|
|
GEN_VEXT_LD_INDEX(vlxh_v_w, int16_t, int32_t, idx_w, ldh_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxh_v_d, int16_t, int64_t, idx_d, ldh_d, clearq)
|
|
GEN_VEXT_LD_INDEX(vlxw_v_w, int32_t, int32_t, idx_w, ldw_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxw_v_d, int32_t, int64_t, idx_d, ldw_d, clearq)
|
|
GEN_VEXT_LD_INDEX(vlxe_v_b, int8_t, int8_t, idx_b, lde_b, clearb)
|
|
GEN_VEXT_LD_INDEX(vlxe_v_h, int16_t, int16_t, idx_h, lde_h, clearh)
|
|
GEN_VEXT_LD_INDEX(vlxe_v_w, int32_t, int32_t, idx_w, lde_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxe_v_d, int64_t, int64_t, idx_d, lde_d, clearq)
|
|
GEN_VEXT_LD_INDEX(vlxbu_v_b, uint8_t, uint8_t, idx_b, ldbu_b, clearb)
|
|
GEN_VEXT_LD_INDEX(vlxbu_v_h, uint8_t, uint16_t, idx_h, ldbu_h, clearh)
|
|
GEN_VEXT_LD_INDEX(vlxbu_v_w, uint8_t, uint32_t, idx_w, ldbu_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxbu_v_d, uint8_t, uint64_t, idx_d, ldbu_d, clearq)
|
|
GEN_VEXT_LD_INDEX(vlxhu_v_h, uint16_t, uint16_t, idx_h, ldhu_h, clearh)
|
|
GEN_VEXT_LD_INDEX(vlxhu_v_w, uint16_t, uint32_t, idx_w, ldhu_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxhu_v_d, uint16_t, uint64_t, idx_d, ldhu_d, clearq)
|
|
GEN_VEXT_LD_INDEX(vlxwu_v_w, uint32_t, uint32_t, idx_w, ldwu_w, clearl)
|
|
GEN_VEXT_LD_INDEX(vlxwu_v_d, uint32_t, uint64_t, idx_d, ldwu_d, clearq)
|
|
|
|
#define GEN_VEXT_ST_INDEX(NAME, MTYPE, ETYPE, INDEX_FN, STORE_FN)\
|
|
void HELPER(NAME)(void *vd, void *v0, target_ulong base, \
|
|
void *vs2, CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
vext_ldst_index(vd, v0, base, vs2, env, desc, INDEX_FN, \
|
|
STORE_FN, NULL, sizeof(ETYPE), sizeof(MTYPE),\
|
|
GETPC(), MMU_DATA_STORE); \
|
|
}
|
|
|
|
GEN_VEXT_ST_INDEX(vsxb_v_b, int8_t, int8_t, idx_b, stb_b)
|
|
GEN_VEXT_ST_INDEX(vsxb_v_h, int8_t, int16_t, idx_h, stb_h)
|
|
GEN_VEXT_ST_INDEX(vsxb_v_w, int8_t, int32_t, idx_w, stb_w)
|
|
GEN_VEXT_ST_INDEX(vsxb_v_d, int8_t, int64_t, idx_d, stb_d)
|
|
GEN_VEXT_ST_INDEX(vsxh_v_h, int16_t, int16_t, idx_h, sth_h)
|
|
GEN_VEXT_ST_INDEX(vsxh_v_w, int16_t, int32_t, idx_w, sth_w)
|
|
GEN_VEXT_ST_INDEX(vsxh_v_d, int16_t, int64_t, idx_d, sth_d)
|
|
GEN_VEXT_ST_INDEX(vsxw_v_w, int32_t, int32_t, idx_w, stw_w)
|
|
GEN_VEXT_ST_INDEX(vsxw_v_d, int32_t, int64_t, idx_d, stw_d)
|
|
GEN_VEXT_ST_INDEX(vsxe_v_b, int8_t, int8_t, idx_b, ste_b)
|
|
GEN_VEXT_ST_INDEX(vsxe_v_h, int16_t, int16_t, idx_h, ste_h)
|
|
GEN_VEXT_ST_INDEX(vsxe_v_w, int32_t, int32_t, idx_w, ste_w)
|
|
GEN_VEXT_ST_INDEX(vsxe_v_d, int64_t, int64_t, idx_d, ste_d)
|
|
|
|
/*
|
|
*** unit-stride fault-only-fisrt load instructions
|
|
*/
|
|
static inline void
|
|
vext_ldff(void *vd, void *v0, target_ulong base,
|
|
CPURISCVState *env, uint32_t desc,
|
|
vext_ldst_elem_fn *ldst_elem,
|
|
clear_fn *clear_elem,
|
|
uint32_t esz, uint32_t msz, uintptr_t ra)
|
|
{
|
|
void *host;
|
|
uint32_t i, k, vl = 0;
|
|
uint32_t mlen = vext_mlen(desc);
|
|
uint32_t nf = vext_nf(desc);
|
|
uint32_t vm = vext_vm(desc);
|
|
uint32_t vlmax = vext_maxsz(desc) / esz;
|
|
target_ulong addr, offset, remain;
|
|
|
|
/* probe every access*/
|
|
for (i = 0; i < env->vl; i++) {
|
|
if (!vm && !vext_elem_mask(v0, mlen, i)) {
|
|
continue;
|
|
}
|
|
addr = base + nf * i * msz;
|
|
if (i == 0) {
|
|
probe_pages(env, addr, nf * msz, ra, MMU_DATA_LOAD);
|
|
} else {
|
|
/* if it triggers an exception, no need to check watchpoint */
|
|
remain = nf * msz;
|
|
while (remain > 0) {
|
|
offset = -(addr | TARGET_PAGE_MASK);
|
|
host = tlb_vaddr_to_host(env, addr, MMU_DATA_LOAD,
|
|
cpu_mmu_index(env, false));
|
|
if (host) {
|
|
#ifdef CONFIG_USER_ONLY
|
|
if (page_check_range(addr, nf * msz, PAGE_READ) < 0) {
|
|
vl = i;
|
|
goto ProbeSuccess;
|
|
}
|
|
#else
|
|
probe_pages(env, addr, nf * msz, ra, MMU_DATA_LOAD);
|
|
#endif
|
|
} else {
|
|
vl = i;
|
|
goto ProbeSuccess;
|
|
}
|
|
if (remain <= offset) {
|
|
break;
|
|
}
|
|
remain -= offset;
|
|
addr += offset;
|
|
}
|
|
}
|
|
}
|
|
ProbeSuccess:
|
|
/* load bytes from guest memory */
|
|
if (vl != 0) {
|
|
env->vl = vl;
|
|
}
|
|
for (i = 0; i < env->vl; i++) {
|
|
k = 0;
|
|
if (!vm && !vext_elem_mask(v0, mlen, i)) {
|
|
continue;
|
|
}
|
|
while (k < nf) {
|
|
target_ulong addr = base + (i * nf + k) * msz;
|
|
ldst_elem(env, addr, i + k * vlmax, vd, ra);
|
|
k++;
|
|
}
|
|
}
|
|
/* clear tail elements */
|
|
if (vl != 0) {
|
|
return;
|
|
}
|
|
for (k = 0; k < nf; k++) {
|
|
clear_elem(vd, env->vl + k * vlmax, env->vl * esz, vlmax * esz);
|
|
}
|
|
}
|
|
|
|
#define GEN_VEXT_LDFF(NAME, MTYPE, ETYPE, LOAD_FN, CLEAR_FN) \
|
|
void HELPER(NAME)(void *vd, void *v0, target_ulong base, \
|
|
CPURISCVState *env, uint32_t desc) \
|
|
{ \
|
|
vext_ldff(vd, v0, base, env, desc, LOAD_FN, CLEAR_FN, \
|
|
sizeof(ETYPE), sizeof(MTYPE), GETPC()); \
|
|
}
|
|
|
|
GEN_VEXT_LDFF(vlbff_v_b, int8_t, int8_t, ldb_b, clearb)
|
|
GEN_VEXT_LDFF(vlbff_v_h, int8_t, int16_t, ldb_h, clearh)
|
|
GEN_VEXT_LDFF(vlbff_v_w, int8_t, int32_t, ldb_w, clearl)
|
|
GEN_VEXT_LDFF(vlbff_v_d, int8_t, int64_t, ldb_d, clearq)
|
|
GEN_VEXT_LDFF(vlhff_v_h, int16_t, int16_t, ldh_h, clearh)
|
|
GEN_VEXT_LDFF(vlhff_v_w, int16_t, int32_t, ldh_w, clearl)
|
|
GEN_VEXT_LDFF(vlhff_v_d, int16_t, int64_t, ldh_d, clearq)
|
|
GEN_VEXT_LDFF(vlwff_v_w, int32_t, int32_t, ldw_w, clearl)
|
|
GEN_VEXT_LDFF(vlwff_v_d, int32_t, int64_t, ldw_d, clearq)
|
|
GEN_VEXT_LDFF(vleff_v_b, int8_t, int8_t, lde_b, clearb)
|
|
GEN_VEXT_LDFF(vleff_v_h, int16_t, int16_t, lde_h, clearh)
|
|
GEN_VEXT_LDFF(vleff_v_w, int32_t, int32_t, lde_w, clearl)
|
|
GEN_VEXT_LDFF(vleff_v_d, int64_t, int64_t, lde_d, clearq)
|
|
GEN_VEXT_LDFF(vlbuff_v_b, uint8_t, uint8_t, ldbu_b, clearb)
|
|
GEN_VEXT_LDFF(vlbuff_v_h, uint8_t, uint16_t, ldbu_h, clearh)
|
|
GEN_VEXT_LDFF(vlbuff_v_w, uint8_t, uint32_t, ldbu_w, clearl)
|
|
GEN_VEXT_LDFF(vlbuff_v_d, uint8_t, uint64_t, ldbu_d, clearq)
|
|
GEN_VEXT_LDFF(vlhuff_v_h, uint16_t, uint16_t, ldhu_h, clearh)
|
|
GEN_VEXT_LDFF(vlhuff_v_w, uint16_t, uint32_t, ldhu_w, clearl)
|
|
GEN_VEXT_LDFF(vlhuff_v_d, uint16_t, uint64_t, ldhu_d, clearq)
|
|
GEN_VEXT_LDFF(vlwuff_v_w, uint32_t, uint32_t, ldwu_w, clearl)
|
|
GEN_VEXT_LDFF(vlwuff_v_d, uint32_t, uint64_t, ldwu_d, clearq)
|
|
|
|
/*
|
|
*** Vector AMO Operations (Zvamo)
|
|
*/
|
|
typedef void vext_amo_noatomic_fn(void *vs3, target_ulong addr,
|
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uint32_t wd, uint32_t idx, CPURISCVState *env,
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uintptr_t retaddr);
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/* no atomic opreation for vector atomic insructions */
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#define DO_SWAP(N, M) (M)
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#define DO_AND(N, M) (N & M)
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#define DO_XOR(N, M) (N ^ M)
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#define DO_OR(N, M) (N | M)
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#define DO_ADD(N, M) (N + M)
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#define GEN_VEXT_AMO_NOATOMIC_OP(NAME, ESZ, MSZ, H, DO_OP, SUF) \
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static void \
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vext_##NAME##_noatomic_op(void *vs3, target_ulong addr, \
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uint32_t wd, uint32_t idx, \
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CPURISCVState *env, uintptr_t retaddr)\
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{ \
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typedef int##ESZ##_t ETYPE; \
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typedef int##MSZ##_t MTYPE; \
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typedef uint##MSZ##_t UMTYPE __attribute__((unused)); \
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ETYPE *pe3 = (ETYPE *)vs3 + H(idx); \
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MTYPE a = cpu_ld##SUF##_data(env, addr), b = *pe3; \
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\
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cpu_st##SUF##_data(env, addr, DO_OP(a, b)); \
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if (wd) { \
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*pe3 = a; \
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} \
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}
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/* Signed min/max */
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#define DO_MAX(N, M) ((N) >= (M) ? (N) : (M))
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#define DO_MIN(N, M) ((N) >= (M) ? (M) : (N))
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/* Unsigned min/max */
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#define DO_MAXU(N, M) DO_MAX((UMTYPE)N, (UMTYPE)M)
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#define DO_MINU(N, M) DO_MIN((UMTYPE)N, (UMTYPE)M)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoswapw_v_w, 32, 32, H4, DO_SWAP, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoaddw_v_w, 32, 32, H4, DO_ADD, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoxorw_v_w, 32, 32, H4, DO_XOR, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoandw_v_w, 32, 32, H4, DO_AND, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoorw_v_w, 32, 32, H4, DO_OR, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamominw_v_w, 32, 32, H4, DO_MIN, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomaxw_v_w, 32, 32, H4, DO_MAX, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamominuw_v_w, 32, 32, H4, DO_MINU, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomaxuw_v_w, 32, 32, H4, DO_MAXU, l)
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#ifdef TARGET_RISCV64
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GEN_VEXT_AMO_NOATOMIC_OP(vamoswapw_v_d, 64, 32, H8, DO_SWAP, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoswapd_v_d, 64, 64, H8, DO_SWAP, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoaddw_v_d, 64, 32, H8, DO_ADD, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoaddd_v_d, 64, 64, H8, DO_ADD, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoxorw_v_d, 64, 32, H8, DO_XOR, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoxord_v_d, 64, 64, H8, DO_XOR, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoandw_v_d, 64, 32, H8, DO_AND, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoandd_v_d, 64, 64, H8, DO_AND, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoorw_v_d, 64, 32, H8, DO_OR, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamoord_v_d, 64, 64, H8, DO_OR, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamominw_v_d, 64, 32, H8, DO_MIN, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomind_v_d, 64, 64, H8, DO_MIN, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomaxw_v_d, 64, 32, H8, DO_MAX, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomaxd_v_d, 64, 64, H8, DO_MAX, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamominuw_v_d, 64, 32, H8, DO_MINU, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamominud_v_d, 64, 64, H8, DO_MINU, q)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomaxuw_v_d, 64, 32, H8, DO_MAXU, l)
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GEN_VEXT_AMO_NOATOMIC_OP(vamomaxud_v_d, 64, 64, H8, DO_MAXU, q)
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#endif
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static inline void
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vext_amo_noatomic(void *vs3, void *v0, target_ulong base,
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void *vs2, CPURISCVState *env, uint32_t desc,
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vext_get_index_addr get_index_addr,
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vext_amo_noatomic_fn *noatomic_op,
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clear_fn *clear_elem,
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uint32_t esz, uint32_t msz, uintptr_t ra)
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{
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uint32_t i;
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target_long addr;
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uint32_t wd = vext_wd(desc);
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uint32_t vm = vext_vm(desc);
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uint32_t mlen = vext_mlen(desc);
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uint32_t vlmax = vext_maxsz(desc) / esz;
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for (i = 0; i < env->vl; i++) {
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if (!vm && !vext_elem_mask(v0, mlen, i)) {
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continue;
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}
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probe_pages(env, get_index_addr(base, i, vs2), msz, ra, MMU_DATA_LOAD);
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probe_pages(env, get_index_addr(base, i, vs2), msz, ra, MMU_DATA_STORE);
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}
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for (i = 0; i < env->vl; i++) {
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if (!vm && !vext_elem_mask(v0, mlen, i)) {
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continue;
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}
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addr = get_index_addr(base, i, vs2);
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noatomic_op(vs3, addr, wd, i, env, ra);
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}
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clear_elem(vs3, env->vl, env->vl * esz, vlmax * esz);
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}
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#define GEN_VEXT_AMO(NAME, MTYPE, ETYPE, INDEX_FN, CLEAR_FN) \
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void HELPER(NAME)(void *vs3, void *v0, target_ulong base, \
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void *vs2, CPURISCVState *env, uint32_t desc) \
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{ \
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vext_amo_noatomic(vs3, v0, base, vs2, env, desc, \
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INDEX_FN, vext_##NAME##_noatomic_op, \
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CLEAR_FN, sizeof(ETYPE), sizeof(MTYPE), \
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GETPC()); \
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}
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#ifdef TARGET_RISCV64
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GEN_VEXT_AMO(vamoswapw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoswapd_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoaddw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoaddd_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoxorw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoxord_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoandw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoandd_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoorw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamoord_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamominw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamomind_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamomaxw_v_d, int32_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamomaxd_v_d, int64_t, int64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamominuw_v_d, uint32_t, uint64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamominud_v_d, uint64_t, uint64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamomaxuw_v_d, uint32_t, uint64_t, idx_d, clearq)
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GEN_VEXT_AMO(vamomaxud_v_d, uint64_t, uint64_t, idx_d, clearq)
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#endif
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GEN_VEXT_AMO(vamoswapw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamoaddw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamoxorw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamoandw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamoorw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamominw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamomaxw_v_w, int32_t, int32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamominuw_v_w, uint32_t, uint32_t, idx_w, clearl)
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GEN_VEXT_AMO(vamomaxuw_v_w, uint32_t, uint32_t, idx_w, clearl)
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|
|
|
/*
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*** Vector Integer Arithmetic Instructions
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*/
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/* expand macro args before macro */
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#define RVVCALL(macro, ...) macro(__VA_ARGS__)
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/* (TD, T1, T2, TX1, TX2) */
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#define OP_SSS_B int8_t, int8_t, int8_t, int8_t, int8_t
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#define OP_SSS_H int16_t, int16_t, int16_t, int16_t, int16_t
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#define OP_SSS_W int32_t, int32_t, int32_t, int32_t, int32_t
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#define OP_SSS_D int64_t, int64_t, int64_t, int64_t, int64_t
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/* operation of two vector elements */
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typedef void opivv2_fn(void *vd, void *vs1, void *vs2, int i);
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#define OPIVV2(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP) \
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static void do_##NAME(void *vd, void *vs1, void *vs2, int i) \
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{ \
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TX1 s1 = *((T1 *)vs1 + HS1(i)); \
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TX2 s2 = *((T2 *)vs2 + HS2(i)); \
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*((TD *)vd + HD(i)) = OP(s2, s1); \
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}
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#define DO_SUB(N, M) (N - M)
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#define DO_RSUB(N, M) (M - N)
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RVVCALL(OPIVV2, vadd_vv_b, OP_SSS_B, H1, H1, H1, DO_ADD)
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RVVCALL(OPIVV2, vadd_vv_h, OP_SSS_H, H2, H2, H2, DO_ADD)
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RVVCALL(OPIVV2, vadd_vv_w, OP_SSS_W, H4, H4, H4, DO_ADD)
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RVVCALL(OPIVV2, vadd_vv_d, OP_SSS_D, H8, H8, H8, DO_ADD)
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RVVCALL(OPIVV2, vsub_vv_b, OP_SSS_B, H1, H1, H1, DO_SUB)
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RVVCALL(OPIVV2, vsub_vv_h, OP_SSS_H, H2, H2, H2, DO_SUB)
|
|
RVVCALL(OPIVV2, vsub_vv_w, OP_SSS_W, H4, H4, H4, DO_SUB)
|
|
RVVCALL(OPIVV2, vsub_vv_d, OP_SSS_D, H8, H8, H8, DO_SUB)
|
|
|
|
static void do_vext_vv(void *vd, void *v0, void *vs1, void *vs2,
|
|
CPURISCVState *env, uint32_t desc,
|
|
uint32_t esz, uint32_t dsz,
|
|
opivv2_fn *fn, clear_fn *clearfn)
|
|
{
|
|
uint32_t vlmax = vext_maxsz(desc) / esz;
|
|
uint32_t mlen = vext_mlen(desc);
|
|
uint32_t vm = vext_vm(desc);
|
|
uint32_t vl = env->vl;
|
|
uint32_t i;
|
|
|
|
for (i = 0; i < vl; i++) {
|
|
if (!vm && !vext_elem_mask(v0, mlen, i)) {
|
|
continue;
|
|
}
|
|
fn(vd, vs1, vs2, i);
|
|
}
|
|
clearfn(vd, vl, vl * dsz, vlmax * dsz);
|
|
}
|
|
|
|
/* generate the helpers for OPIVV */
|
|
#define GEN_VEXT_VV(NAME, ESZ, DSZ, CLEAR_FN) \
|
|
void HELPER(NAME)(void *vd, void *v0, void *vs1, \
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|
void *vs2, CPURISCVState *env, \
|
|
uint32_t desc) \
|
|
{ \
|
|
do_vext_vv(vd, v0, vs1, vs2, env, desc, ESZ, DSZ, \
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|
do_##NAME, CLEAR_FN); \
|
|
}
|
|
|
|
GEN_VEXT_VV(vadd_vv_b, 1, 1, clearb)
|
|
GEN_VEXT_VV(vadd_vv_h, 2, 2, clearh)
|
|
GEN_VEXT_VV(vadd_vv_w, 4, 4, clearl)
|
|
GEN_VEXT_VV(vadd_vv_d, 8, 8, clearq)
|
|
GEN_VEXT_VV(vsub_vv_b, 1, 1, clearb)
|
|
GEN_VEXT_VV(vsub_vv_h, 2, 2, clearh)
|
|
GEN_VEXT_VV(vsub_vv_w, 4, 4, clearl)
|
|
GEN_VEXT_VV(vsub_vv_d, 8, 8, clearq)
|
|
|
|
typedef void opivx2_fn(void *vd, target_long s1, void *vs2, int i);
|
|
|
|
/*
|
|
* (T1)s1 gives the real operator type.
|
|
* (TX1)(T1)s1 expands the operator type of widen or narrow operations.
|
|
*/
|
|
#define OPIVX2(NAME, TD, T1, T2, TX1, TX2, HD, HS2, OP) \
|
|
static void do_##NAME(void *vd, target_long s1, void *vs2, int i) \
|
|
{ \
|
|
TX2 s2 = *((T2 *)vs2 + HS2(i)); \
|
|
*((TD *)vd + HD(i)) = OP(s2, (TX1)(T1)s1); \
|
|
}
|
|
|
|
RVVCALL(OPIVX2, vadd_vx_b, OP_SSS_B, H1, H1, DO_ADD)
|
|
RVVCALL(OPIVX2, vadd_vx_h, OP_SSS_H, H2, H2, DO_ADD)
|
|
RVVCALL(OPIVX2, vadd_vx_w, OP_SSS_W, H4, H4, DO_ADD)
|
|
RVVCALL(OPIVX2, vadd_vx_d, OP_SSS_D, H8, H8, DO_ADD)
|
|
RVVCALL(OPIVX2, vsub_vx_b, OP_SSS_B, H1, H1, DO_SUB)
|
|
RVVCALL(OPIVX2, vsub_vx_h, OP_SSS_H, H2, H2, DO_SUB)
|
|
RVVCALL(OPIVX2, vsub_vx_w, OP_SSS_W, H4, H4, DO_SUB)
|
|
RVVCALL(OPIVX2, vsub_vx_d, OP_SSS_D, H8, H8, DO_SUB)
|
|
RVVCALL(OPIVX2, vrsub_vx_b, OP_SSS_B, H1, H1, DO_RSUB)
|
|
RVVCALL(OPIVX2, vrsub_vx_h, OP_SSS_H, H2, H2, DO_RSUB)
|
|
RVVCALL(OPIVX2, vrsub_vx_w, OP_SSS_W, H4, H4, DO_RSUB)
|
|
RVVCALL(OPIVX2, vrsub_vx_d, OP_SSS_D, H8, H8, DO_RSUB)
|
|
|
|
static void do_vext_vx(void *vd, void *v0, target_long s1, void *vs2,
|
|
CPURISCVState *env, uint32_t desc,
|
|
uint32_t esz, uint32_t dsz,
|
|
opivx2_fn fn, clear_fn *clearfn)
|
|
{
|
|
uint32_t vlmax = vext_maxsz(desc) / esz;
|
|
uint32_t mlen = vext_mlen(desc);
|
|
uint32_t vm = vext_vm(desc);
|
|
uint32_t vl = env->vl;
|
|
uint32_t i;
|
|
|
|
for (i = 0; i < vl; i++) {
|
|
if (!vm && !vext_elem_mask(v0, mlen, i)) {
|
|
continue;
|
|
}
|
|
fn(vd, s1, vs2, i);
|
|
}
|
|
clearfn(vd, vl, vl * dsz, vlmax * dsz);
|
|
}
|
|
|
|
/* generate the helpers for OPIVX */
|
|
#define GEN_VEXT_VX(NAME, ESZ, DSZ, CLEAR_FN) \
|
|
void HELPER(NAME)(void *vd, void *v0, target_ulong s1, \
|
|
void *vs2, CPURISCVState *env, \
|
|
uint32_t desc) \
|
|
{ \
|
|
do_vext_vx(vd, v0, s1, vs2, env, desc, ESZ, DSZ, \
|
|
do_##NAME, CLEAR_FN); \
|
|
}
|
|
|
|
GEN_VEXT_VX(vadd_vx_b, 1, 1, clearb)
|
|
GEN_VEXT_VX(vadd_vx_h, 2, 2, clearh)
|
|
GEN_VEXT_VX(vadd_vx_w, 4, 4, clearl)
|
|
GEN_VEXT_VX(vadd_vx_d, 8, 8, clearq)
|
|
GEN_VEXT_VX(vsub_vx_b, 1, 1, clearb)
|
|
GEN_VEXT_VX(vsub_vx_h, 2, 2, clearh)
|
|
GEN_VEXT_VX(vsub_vx_w, 4, 4, clearl)
|
|
GEN_VEXT_VX(vsub_vx_d, 8, 8, clearq)
|
|
GEN_VEXT_VX(vrsub_vx_b, 1, 1, clearb)
|
|
GEN_VEXT_VX(vrsub_vx_h, 2, 2, clearh)
|
|
GEN_VEXT_VX(vrsub_vx_w, 4, 4, clearl)
|
|
GEN_VEXT_VX(vrsub_vx_d, 8, 8, clearq)
|
|
|
|
void HELPER(vec_rsubs8)(void *d, void *a, uint64_t b, uint32_t desc)
|
|
{
|
|
intptr_t oprsz = simd_oprsz(desc);
|
|
intptr_t i;
|
|
|
|
for (i = 0; i < oprsz; i += sizeof(uint8_t)) {
|
|
*(uint8_t *)(d + i) = (uint8_t)b - *(uint8_t *)(a + i);
|
|
}
|
|
}
|
|
|
|
void HELPER(vec_rsubs16)(void *d, void *a, uint64_t b, uint32_t desc)
|
|
{
|
|
intptr_t oprsz = simd_oprsz(desc);
|
|
intptr_t i;
|
|
|
|
for (i = 0; i < oprsz; i += sizeof(uint16_t)) {
|
|
*(uint16_t *)(d + i) = (uint16_t)b - *(uint16_t *)(a + i);
|
|
}
|
|
}
|
|
|
|
void HELPER(vec_rsubs32)(void *d, void *a, uint64_t b, uint32_t desc)
|
|
{
|
|
intptr_t oprsz = simd_oprsz(desc);
|
|
intptr_t i;
|
|
|
|
for (i = 0; i < oprsz; i += sizeof(uint32_t)) {
|
|
*(uint32_t *)(d + i) = (uint32_t)b - *(uint32_t *)(a + i);
|
|
}
|
|
}
|
|
|
|
void HELPER(vec_rsubs64)(void *d, void *a, uint64_t b, uint32_t desc)
|
|
{
|
|
intptr_t oprsz = simd_oprsz(desc);
|
|
intptr_t i;
|
|
|
|
for (i = 0; i < oprsz; i += sizeof(uint64_t)) {
|
|
*(uint64_t *)(d + i) = b - *(uint64_t *)(a + i);
|
|
}
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}
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/* Vector Widening Integer Add/Subtract */
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#define WOP_UUU_B uint16_t, uint8_t, uint8_t, uint16_t, uint16_t
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#define WOP_UUU_H uint32_t, uint16_t, uint16_t, uint32_t, uint32_t
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#define WOP_UUU_W uint64_t, uint32_t, uint32_t, uint64_t, uint64_t
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#define WOP_SSS_B int16_t, int8_t, int8_t, int16_t, int16_t
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#define WOP_SSS_H int32_t, int16_t, int16_t, int32_t, int32_t
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#define WOP_SSS_W int64_t, int32_t, int32_t, int64_t, int64_t
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#define WOP_WUUU_B uint16_t, uint8_t, uint16_t, uint16_t, uint16_t
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#define WOP_WUUU_H uint32_t, uint16_t, uint32_t, uint32_t, uint32_t
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#define WOP_WUUU_W uint64_t, uint32_t, uint64_t, uint64_t, uint64_t
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#define WOP_WSSS_B int16_t, int8_t, int16_t, int16_t, int16_t
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#define WOP_WSSS_H int32_t, int16_t, int32_t, int32_t, int32_t
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#define WOP_WSSS_W int64_t, int32_t, int64_t, int64_t, int64_t
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RVVCALL(OPIVV2, vwaddu_vv_b, WOP_UUU_B, H2, H1, H1, DO_ADD)
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RVVCALL(OPIVV2, vwaddu_vv_h, WOP_UUU_H, H4, H2, H2, DO_ADD)
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RVVCALL(OPIVV2, vwaddu_vv_w, WOP_UUU_W, H8, H4, H4, DO_ADD)
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RVVCALL(OPIVV2, vwsubu_vv_b, WOP_UUU_B, H2, H1, H1, DO_SUB)
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RVVCALL(OPIVV2, vwsubu_vv_h, WOP_UUU_H, H4, H2, H2, DO_SUB)
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RVVCALL(OPIVV2, vwsubu_vv_w, WOP_UUU_W, H8, H4, H4, DO_SUB)
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RVVCALL(OPIVV2, vwadd_vv_b, WOP_SSS_B, H2, H1, H1, DO_ADD)
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RVVCALL(OPIVV2, vwadd_vv_h, WOP_SSS_H, H4, H2, H2, DO_ADD)
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RVVCALL(OPIVV2, vwadd_vv_w, WOP_SSS_W, H8, H4, H4, DO_ADD)
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RVVCALL(OPIVV2, vwsub_vv_b, WOP_SSS_B, H2, H1, H1, DO_SUB)
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RVVCALL(OPIVV2, vwsub_vv_h, WOP_SSS_H, H4, H2, H2, DO_SUB)
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RVVCALL(OPIVV2, vwsub_vv_w, WOP_SSS_W, H8, H4, H4, DO_SUB)
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RVVCALL(OPIVV2, vwaddu_wv_b, WOP_WUUU_B, H2, H1, H1, DO_ADD)
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RVVCALL(OPIVV2, vwaddu_wv_h, WOP_WUUU_H, H4, H2, H2, DO_ADD)
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RVVCALL(OPIVV2, vwaddu_wv_w, WOP_WUUU_W, H8, H4, H4, DO_ADD)
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RVVCALL(OPIVV2, vwsubu_wv_b, WOP_WUUU_B, H2, H1, H1, DO_SUB)
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RVVCALL(OPIVV2, vwsubu_wv_h, WOP_WUUU_H, H4, H2, H2, DO_SUB)
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RVVCALL(OPIVV2, vwsubu_wv_w, WOP_WUUU_W, H8, H4, H4, DO_SUB)
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RVVCALL(OPIVV2, vwadd_wv_b, WOP_WSSS_B, H2, H1, H1, DO_ADD)
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RVVCALL(OPIVV2, vwadd_wv_h, WOP_WSSS_H, H4, H2, H2, DO_ADD)
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RVVCALL(OPIVV2, vwadd_wv_w, WOP_WSSS_W, H8, H4, H4, DO_ADD)
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RVVCALL(OPIVV2, vwsub_wv_b, WOP_WSSS_B, H2, H1, H1, DO_SUB)
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RVVCALL(OPIVV2, vwsub_wv_h, WOP_WSSS_H, H4, H2, H2, DO_SUB)
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RVVCALL(OPIVV2, vwsub_wv_w, WOP_WSSS_W, H8, H4, H4, DO_SUB)
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GEN_VEXT_VV(vwaddu_vv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwaddu_vv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwaddu_vv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwsubu_vv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwsubu_vv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwsubu_vv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwadd_vv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwadd_vv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwadd_vv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwsub_vv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwsub_vv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwsub_vv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwaddu_wv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwaddu_wv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwaddu_wv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwsubu_wv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwsubu_wv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwsubu_wv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwadd_wv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwadd_wv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwadd_wv_w, 4, 8, clearq)
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GEN_VEXT_VV(vwsub_wv_b, 1, 2, clearh)
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GEN_VEXT_VV(vwsub_wv_h, 2, 4, clearl)
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GEN_VEXT_VV(vwsub_wv_w, 4, 8, clearq)
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RVVCALL(OPIVX2, vwaddu_vx_b, WOP_UUU_B, H2, H1, DO_ADD)
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RVVCALL(OPIVX2, vwaddu_vx_h, WOP_UUU_H, H4, H2, DO_ADD)
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RVVCALL(OPIVX2, vwaddu_vx_w, WOP_UUU_W, H8, H4, DO_ADD)
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RVVCALL(OPIVX2, vwsubu_vx_b, WOP_UUU_B, H2, H1, DO_SUB)
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RVVCALL(OPIVX2, vwsubu_vx_h, WOP_UUU_H, H4, H2, DO_SUB)
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RVVCALL(OPIVX2, vwsubu_vx_w, WOP_UUU_W, H8, H4, DO_SUB)
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RVVCALL(OPIVX2, vwadd_vx_b, WOP_SSS_B, H2, H1, DO_ADD)
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RVVCALL(OPIVX2, vwadd_vx_h, WOP_SSS_H, H4, H2, DO_ADD)
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RVVCALL(OPIVX2, vwadd_vx_w, WOP_SSS_W, H8, H4, DO_ADD)
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RVVCALL(OPIVX2, vwsub_vx_b, WOP_SSS_B, H2, H1, DO_SUB)
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RVVCALL(OPIVX2, vwsub_vx_h, WOP_SSS_H, H4, H2, DO_SUB)
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RVVCALL(OPIVX2, vwsub_vx_w, WOP_SSS_W, H8, H4, DO_SUB)
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RVVCALL(OPIVX2, vwaddu_wx_b, WOP_WUUU_B, H2, H1, DO_ADD)
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RVVCALL(OPIVX2, vwaddu_wx_h, WOP_WUUU_H, H4, H2, DO_ADD)
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RVVCALL(OPIVX2, vwaddu_wx_w, WOP_WUUU_W, H8, H4, DO_ADD)
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RVVCALL(OPIVX2, vwsubu_wx_b, WOP_WUUU_B, H2, H1, DO_SUB)
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RVVCALL(OPIVX2, vwsubu_wx_h, WOP_WUUU_H, H4, H2, DO_SUB)
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RVVCALL(OPIVX2, vwsubu_wx_w, WOP_WUUU_W, H8, H4, DO_SUB)
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RVVCALL(OPIVX2, vwadd_wx_b, WOP_WSSS_B, H2, H1, DO_ADD)
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RVVCALL(OPIVX2, vwadd_wx_h, WOP_WSSS_H, H4, H2, DO_ADD)
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RVVCALL(OPIVX2, vwadd_wx_w, WOP_WSSS_W, H8, H4, DO_ADD)
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RVVCALL(OPIVX2, vwsub_wx_b, WOP_WSSS_B, H2, H1, DO_SUB)
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RVVCALL(OPIVX2, vwsub_wx_h, WOP_WSSS_H, H4, H2, DO_SUB)
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RVVCALL(OPIVX2, vwsub_wx_w, WOP_WSSS_W, H8, H4, DO_SUB)
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GEN_VEXT_VX(vwaddu_vx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwaddu_vx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwaddu_vx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwsubu_vx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwsubu_vx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwsubu_vx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwadd_vx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwadd_vx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwadd_vx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwsub_vx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwsub_vx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwsub_vx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwaddu_wx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwaddu_wx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwaddu_wx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwsubu_wx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwsubu_wx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwsubu_wx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwadd_wx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwadd_wx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwadd_wx_w, 4, 8, clearq)
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GEN_VEXT_VX(vwsub_wx_b, 1, 2, clearh)
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GEN_VEXT_VX(vwsub_wx_h, 2, 4, clearl)
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GEN_VEXT_VX(vwsub_wx_w, 4, 8, clearq)
|