2019-10-25 03:18:08 +02:00
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/**************************************************************
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Copyright (c) 2019 Huawei Technologies Co., Ltd.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Huawei Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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2020-11-21 17:51:37 +01:00
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#include "../include/aarch64_label.h"
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2019-10-25 03:18:08 +02:00
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.text
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2020-11-21 17:51:37 +01:00
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.global cdecl(gf_2vect_dot_prod_neon)
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#ifndef __APPLE__
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2019-10-25 03:18:08 +02:00
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.type gf_2vect_dot_prod_neon, %function
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2020-11-21 17:51:37 +01:00
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#endif
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2019-10-25 03:18:08 +02:00
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/* arguments */
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x_len .req x0
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x_vec .req x1
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x_tbl .req x2
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x_src .req x3
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x_dest .req x4
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/* returns */
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w_ret .req w0
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/* local variables */
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x_vec_i .req x5
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x_ptr .req x6
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x_pos .req x7
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x_tmp .req x8
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x_tbl1 .req x9
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x_tbl2 .req x10
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x_dest1 .req x11
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x_dest2 .req x12
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/* vectors */
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v_gft1_lo .req v0
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v_gft1_hi .req v1
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v_gft2_lo .req v2
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v_gft2_hi .req v3
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q_gft1_lo .req q0
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q_gft1_hi .req q1
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q_gft2_lo .req q2
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q_gft2_hi .req q3
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v_mask0f .req v4
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q_mask0f .req q4
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v_tmp1_lo .req v5
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v_tmp1_hi .req v6
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v_tmp1 .req v7
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v_data_0 .req v8
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v_data_1 .req v9
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v_data_2 .req v10
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v_data_3 .req v11
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v_data_4 .req v12
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v_data_5 .req v13
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v_data_6 .req v14
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v_data_7 .req v15
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q_data_0 .req q8
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q_data_1 .req q9
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q_data_2 .req q10
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q_data_3 .req q11
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q_data_4 .req q12
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q_data_5 .req q13
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q_data_6 .req q14
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q_data_7 .req q15
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v_p1_0 .req v16
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v_p1_1 .req v17
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v_p1_2 .req v18
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v_p1_3 .req v19
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v_p1_4 .req v20
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v_p1_5 .req v21
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v_p1_6 .req v22
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v_p1_7 .req v23
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v_p2_0 .req v24
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v_p2_1 .req v25
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v_p2_2 .req v26
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v_p2_3 .req v27
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v_p2_4 .req v28
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v_p2_5 .req v29
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v_p2_6 .req v30
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v_p2_7 .req v31
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q_p1_0 .req q16
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q_p1_1 .req q17
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q_p1_2 .req q18
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q_p1_3 .req q19
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q_p1_4 .req q20
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q_p1_5 .req q21
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q_p1_6 .req q22
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q_p1_7 .req q23
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q_p2_0 .req q24
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q_p2_1 .req q25
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q_p2_2 .req q26
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q_p2_3 .req q27
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q_p2_4 .req q28
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q_p2_5 .req q29
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q_p2_6 .req q30
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q_p2_7 .req q31
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v_p1 .req v_p1_0
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q_p1 .req q_p1_0
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v_p2 .req v_p2_0
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q_p2 .req q_p2_0
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v_data .req v_p1_1
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q_data .req q_p1_1
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v_data_lo .req v_p1_2
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v_data_hi .req v_p1_3
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2020-11-21 17:51:37 +01:00
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cdecl(gf_2vect_dot_prod_neon):
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2019-10-25 03:18:08 +02:00
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/* less than 16 bytes, return_fail */
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cmp x_len, #16
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blt .return_fail
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movi v_mask0f.16b, #0x0f
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mov x_pos, #0
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lsl x_vec, x_vec, #3
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ldr x_dest1, [x_dest, #8*0]
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ldr x_dest2, [x_dest, #8*1]
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.Lloop128_init:
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/* less than 128 bytes, goto Lloop16_init */
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cmp x_len, #128
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blt .Lloop16_init
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/* save d8 ~ d15 to stack */
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sub sp, sp, #64
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stp d8, d9, [sp]
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stp d10, d11, [sp, #16]
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stp d12, d13, [sp, #32]
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stp d14, d15, [sp, #48]
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sub x_len, x_len, #128
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.Lloop128:
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movi v_p1_0.16b, #0
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movi v_p1_1.16b, #0
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movi v_p1_2.16b, #0
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movi v_p1_3.16b, #0
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movi v_p1_4.16b, #0
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movi v_p1_5.16b, #0
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movi v_p1_6.16b, #0
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movi v_p1_7.16b, #0
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movi v_p2_0.16b, #0
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movi v_p2_1.16b, #0
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movi v_p2_2.16b, #0
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movi v_p2_3.16b, #0
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movi v_p2_4.16b, #0
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movi v_p2_5.16b, #0
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movi v_p2_6.16b, #0
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movi v_p2_7.16b, #0
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mov x_tbl1, x_tbl
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add x_tbl2, x_tbl, x_vec, lsl #2
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mov x_vec_i, #0
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.Lloop128_vects:
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ldr x_ptr, [x_src, x_vec_i]
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add x_vec_i, x_vec_i, #8
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add x_ptr, x_ptr, x_pos
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ldp q_data_0, q_data_1, [x_ptr], #32
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ldp q_data_2, q_data_3, [x_ptr], #32
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ldp q_gft1_lo, q_gft1_hi, [x_tbl1], #32
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ldp q_gft2_lo, q_gft2_hi, [x_tbl2], #32
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ldp q_data_4, q_data_5, [x_ptr], #32
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ldp q_data_6, q_data_7, [x_ptr], #32
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prfm pldl1strm, [x_ptr]
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prfm pldl1keep, [x_tbl1]
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prfm pldl1keep, [x_tbl2]
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/* data_0 */
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and v_tmp1.16b, v_data_0.16b, v_mask0f.16b
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ushr v_data_0.16b, v_data_0.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_0.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_0.16b, v_tmp1_lo.16b, v_p1_0.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_0.16b, v_p1_0.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_0.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_0.16b, v_tmp1_lo.16b, v_p2_0.16b
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2019-10-25 03:18:08 +02:00
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eor v_p2_0.16b, v_p2_0.16b, v_tmp1_hi.16b
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/* data_1 */
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and v_tmp1.16b, v_data_1.16b, v_mask0f.16b
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ushr v_data_1.16b, v_data_1.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_1.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_1.16b, v_tmp1_lo.16b, v_p1_1.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_1.16b, v_p1_1.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_1.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_1.16b, v_tmp1_lo.16b, v_p2_1.16b
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2019-10-25 03:18:08 +02:00
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eor v_p2_1.16b, v_p2_1.16b, v_tmp1_hi.16b
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/* data_2 */
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and v_tmp1.16b, v_data_2.16b, v_mask0f.16b
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ushr v_data_2.16b, v_data_2.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_2.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_2.16b, v_tmp1_lo.16b, v_p1_2.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_2.16b, v_p1_2.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_2.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_2.16b, v_tmp1_lo.16b, v_p2_2.16b
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2019-10-25 03:18:08 +02:00
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eor v_p2_2.16b, v_p2_2.16b, v_tmp1_hi.16b
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/* data_3 */
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and v_tmp1.16b, v_data_3.16b, v_mask0f.16b
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ushr v_data_3.16b, v_data_3.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_3.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_3.16b, v_tmp1_lo.16b, v_p1_3.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_3.16b, v_p1_3.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_3.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_3.16b, v_tmp1_lo.16b, v_p2_3.16b
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2019-10-25 03:18:08 +02:00
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eor v_p2_3.16b, v_p2_3.16b, v_tmp1_hi.16b
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/* data_4 */
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and v_tmp1.16b, v_data_4.16b, v_mask0f.16b
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ushr v_data_4.16b, v_data_4.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_4.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_4.16b, v_tmp1_lo.16b, v_p1_4.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_4.16b, v_p1_4.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_4.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_4.16b, v_tmp1_lo.16b, v_p2_4.16b
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2019-10-25 03:18:08 +02:00
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eor v_p2_4.16b, v_p2_4.16b, v_tmp1_hi.16b
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/* data_5 */
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and v_tmp1.16b, v_data_5.16b, v_mask0f.16b
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ushr v_data_5.16b, v_data_5.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_5.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_5.16b, v_tmp1_lo.16b, v_p1_5.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_5.16b, v_p1_5.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_5.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_5.16b, v_tmp1_lo.16b, v_p2_5.16b
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2019-10-25 03:18:08 +02:00
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eor v_p2_5.16b, v_p2_5.16b, v_tmp1_hi.16b
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/* data_6 */
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and v_tmp1.16b, v_data_6.16b, v_mask0f.16b
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ushr v_data_6.16b, v_data_6.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_6.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_6.16b, v_tmp1_lo.16b, v_p1_6.16b
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2019-10-25 03:18:08 +02:00
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eor v_p1_6.16b, v_p1_6.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_6.16b
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2019-10-31 10:31:03 +01:00
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eor v_p2_6.16b, v_tmp1_lo.16b, v_p2_6.16b
|
2019-10-25 03:18:08 +02:00
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eor v_p2_6.16b, v_p2_6.16b, v_tmp1_hi.16b
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/* data_7 */
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and v_tmp1.16b, v_data_7.16b, v_mask0f.16b
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ushr v_data_7.16b, v_data_7.16b, #4
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tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_7.16b
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2019-10-31 10:31:03 +01:00
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eor v_p1_7.16b, v_tmp1_lo.16b, v_p1_7.16b
|
2019-10-25 03:18:08 +02:00
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eor v_p1_7.16b, v_p1_7.16b, v_tmp1_hi.16b
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tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_tmp1.16b
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tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_7.16b
|
2019-10-31 10:31:03 +01:00
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eor v_p2_7.16b, v_tmp1_lo.16b, v_p2_7.16b
|
2019-10-25 03:18:08 +02:00
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eor v_p2_7.16b, v_p2_7.16b, v_tmp1_hi.16b
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cmp x_vec_i, x_vec
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blt .Lloop128_vects
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.Lloop128_vects_end:
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add x_ptr, x_dest1, x_pos
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stp q_p1_0, q_p1_1, [x_ptr], #32
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stp q_p1_2, q_p1_3, [x_ptr], #32
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stp q_p1_4, q_p1_5, [x_ptr], #32
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stp q_p1_6, q_p1_7, [x_ptr]
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add x_ptr, x_dest2, x_pos
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stp q_p2_0, q_p2_1, [x_ptr], #32
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stp q_p2_2, q_p2_3, [x_ptr], #32
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stp q_p2_4, q_p2_5, [x_ptr], #32
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stp q_p2_6, q_p2_7, [x_ptr]
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|
add x_pos, x_pos, #128
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|
cmp x_pos, x_len
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|
|
ble .Lloop128
|
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|
|
.Lloop128_end:
|
|
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|
|
/* restore d8 ~ d15 */
|
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|
|
ldp d8, d9, [sp]
|
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|
ldp d10, d11, [sp, #16]
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|
ldp d12, d13, [sp, #32]
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|
ldp d14, d15, [sp, #48]
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|
add sp, sp, #64
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|
|
add x_len, x_len, #128
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|
|
cmp x_pos, x_len
|
|
|
|
|
beq .return_pass
|
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|
|
|
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|
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|
|
.Lloop16_init:
|
|
|
|
|
sub x_len, x_len, #16
|
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|
|
|
cmp x_pos, x_len
|
|
|
|
|
bgt .lessthan16_init
|
|
|
|
|
|
|
|
|
|
.Lloop16:
|
|
|
|
|
movi v_p1.16b, #0
|
|
|
|
|
movi v_p2.16b, #0
|
|
|
|
|
mov x_tbl1, x_tbl
|
|
|
|
|
add x_tbl2, x_tbl, x_vec, lsl #2
|
|
|
|
|
mov x_vec_i, #0
|
|
|
|
|
|
|
|
|
|
.Lloop16_vects:
|
|
|
|
|
ldr x_ptr, [x_src, x_vec_i]
|
|
|
|
|
ldr q_data, [x_ptr, x_pos]
|
|
|
|
|
add x_vec_i, x_vec_i, #8
|
|
|
|
|
|
|
|
|
|
ldp q_gft1_lo, q_gft1_hi, [x_tbl1], #32
|
|
|
|
|
ldp q_gft2_lo, q_gft2_hi, [x_tbl2], #32
|
|
|
|
|
|
|
|
|
|
and v_data_lo.16b, v_data.16b, v_mask0f.16b
|
|
|
|
|
ushr v_data_hi.16b, v_data.16b, #4
|
|
|
|
|
|
|
|
|
|
tbl v_tmp1_hi.16b, {v_gft1_hi.16b}, v_data_hi.16b
|
|
|
|
|
tbl v_tmp1_lo.16b, {v_gft1_lo.16b}, v_data_lo.16b
|
2019-10-31 10:31:03 +01:00
|
|
|
eor v_p1.16b, v_tmp1_lo.16b, v_p1.16b
|
2019-10-25 03:18:08 +02:00
|
|
|
eor v_p1.16b, v_p1.16b, v_tmp1_hi.16b
|
|
|
|
|
|
|
|
|
|
tbl v_tmp1_hi.16b, {v_gft2_hi.16b}, v_data_hi.16b
|
|
|
|
|
tbl v_tmp1_lo.16b, {v_gft2_lo.16b}, v_data_lo.16b
|
2019-10-31 10:31:03 +01:00
|
|
|
eor v_p2.16b, v_tmp1_lo.16b, v_p2.16b
|
2019-10-25 03:18:08 +02:00
|
|
|
eor v_p2.16b, v_p2.16b, v_tmp1_hi.16b
|
|
|
|
|
|
|
|
|
|
cmp x_vec_i, x_vec
|
|
|
|
|
bne .Lloop16_vects
|
|
|
|
|
|
|
|
|
|
.Lloop16_vects_end:
|
|
|
|
|
str q_p1, [x_dest1, x_pos]
|
|
|
|
|
str q_p2, [x_dest2, x_pos]
|
|
|
|
|
add x_pos, x_pos, #16
|
|
|
|
|
cmp x_pos, x_len
|
|
|
|
|
ble .Lloop16
|
|
|
|
|
|
|
|
|
|
.Lloop16_end:
|
|
|
|
|
sub x_tmp, x_pos, x_len
|
|
|
|
|
cmp x_tmp, #16
|
|
|
|
|
beq .return_pass
|
|
|
|
|
|
|
|
|
|
.lessthan16_init:
|
|
|
|
|
mov x_pos, x_len
|
|
|
|
|
b .Lloop16
|
|
|
|
|
|
|
|
|
|
.return_pass:
|
|
|
|
|
mov w_ret, #0
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
.return_fail:
|
|
|
|
|
mov w_ret, #1
|
|
|
|
|
ret
|
