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/**************************************************************
Copyright (c) 2019 Huawei Technologies Co., Ltd.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of Huawei Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**********************************************************************/
.text
.global gf_5vect_mad_neon
.type gf_5vect_mad_neon, %function
/* arguments */
x_len .req x0
x_vec .req x1
x_vec_i .req x2
x_tbl .req x3
x_src .req x4
x_dest .req x5
/* returns */
w_ret .req w0
/* local variables */
x_src_end .req x6
x_dest1 .req x7
x_dest2 .req x8
x_dest3 .req x9
x_dest4 .req x10
x_dest5 .req x_dest
x_tmp .req x11
x_tbl1 .req x12
x_tbl2 .req x13
x_tbl3 .req x14
x_tbl4 .req x15
x_tbl5 .req x16
x_const .req x17
/* vectors */
v_mask0f .req v0
v_tmp_lo .req v1
v_tmp_hi .req v2
v_tmp .req v3
q_tmp .req q3
v_gft1_lo .req v4
v_gft1_hi .req v5
v_gft2_lo .req v6
v_gft2_hi .req v7
v_gft3_lo .req v16
v_gft3_hi .req v17
q_gft1_lo .req q4
q_gft1_hi .req q5
q_gft2_lo .req q6
q_gft2_hi .req q7
q_gft3_lo .req q16
q_gft3_hi .req q17
v_gft4_lo .req v18
v_gft4_hi .req v19
q_gft4_lo .req q18
q_gft4_hi .req q19
v_gft5_lo .req v_gft2_lo
v_gft5_hi .req v_gft2_hi
q_gft5_lo .req q_gft2_lo
q_gft5_hi .req q_gft2_hi
v_data_0 .req v8
v_data_1 .req v9
v_data_2 .req v10
v_data_3 .req v11
q_data_0 .req q8
q_data_1 .req q9
q_data_2 .req q10
q_data_3 .req q11
v_data_0_lo .req v12
v_data_1_lo .req v13
v_data_2_lo .req v14
v_data_3_lo .req v15
v_data_0_hi .req v_data_0
v_data_1_hi .req v_data_1
v_data_2_hi .req v_data_2
v_data_3_hi .req v_data_3
v_d1_0 .req v20
v_d1_1 .req v21
v_d1_2 .req v22
v_d1_3 .req v23
v_d2_0 .req v24
v_d2_1 .req v25
v_d2_2 .req v26
v_d2_3 .req v27
v_d3_0 .req v28
v_d3_1 .req v29
v_d3_2 .req v30
v_d3_3 .req v31
q_d1_0 .req q20
q_d1_1 .req q21
q_d1_2 .req q22
q_d1_3 .req q23
q_d2_0 .req q24
q_d2_1 .req q25
q_d2_2 .req q26
q_d2_3 .req q27
q_d3_0 .req q28
q_d3_1 .req q29
q_d3_2 .req q30
q_d3_3 .req q31
v_d4_0 .req v_d1_0
v_d4_1 .req v_d1_1
v_d4_2 .req v_d1_2
v_d4_3 .req v_d1_3
q_d4_0 .req q_d1_0
q_d4_1 .req q_d1_1
q_d4_2 .req q_d1_2
q_d4_3 .req q_d1_3
v_d5_0 .req v_d2_0
v_d5_1 .req v_d2_1
v_d5_2 .req v_d2_2
v_d5_3 .req v_d2_3
q_d5_0 .req q_d2_0
q_d5_1 .req q_d2_1
q_d5_2 .req q_d2_2
q_d5_3 .req q_d2_3
v_data .req v21
q_data .req q21
v_data_lo .req v22
v_data_hi .req v23
gf_5vect_mad_neon:
/* less than 16 bytes, return_fail */
cmp x_len, #16
blt .return_fail
movi v_mask0f.16b, #0x0f
lsl x_vec_i, x_vec_i, #5
lsl x_vec, x_vec, #5
add x_tbl1, x_tbl, x_vec_i
add x_tbl2, x_tbl1, x_vec
add x_tbl3, x_tbl2, x_vec
add x_tbl4, x_tbl3, x_vec
add x_tbl5, x_tbl4, x_vec
add x_src_end, x_src, x_len
ldr x_dest1, [x_dest, #8*0]
ldr x_dest2, [x_dest, #8*1]
ldr x_dest3, [x_dest, #8*2]
ldr x_dest4, [x_dest, #8*3]
ldr x_dest5, [x_dest, #8*4]
ldr q_gft1_lo, [x_tbl1]
ldr q_gft1_hi, [x_tbl1, #16]
ldr q_gft3_lo, [x_tbl3]
ldr q_gft3_hi, [x_tbl3, #16]
ldr q_gft4_lo, [x_tbl4]
ldr q_gft4_hi, [x_tbl4, #16]
.Lloop64_init:
/* less than 64 bytes, goto Lloop16_init */
cmp x_len, #64
blt .Lloop16_init
/* save d8 ~ d15 to stack */
sub sp, sp, #64
stp d8, d9, [sp]
stp d10, d11, [sp, #16]
stp d12, d13, [sp, #32]
stp d14, d15, [sp, #48]
sub x_src_end, x_src_end, #64
.Lloop64:
ldr q_data_0, [x_src, #16*0]
ldr q_data_1, [x_src, #16*1]
ldr q_data_2, [x_src, #16*2]
ldr q_data_3, [x_src, #16*3]
add x_src, x_src, #64
ldr q_d1_0, [x_dest1, #16*0]
ldr q_d1_1, [x_dest1, #16*1]
ldr q_d1_2, [x_dest1, #16*2]
ldr q_d1_3, [x_dest1, #16*3]
ldr q_d2_0, [x_dest2, #16*0]
ldr q_d2_1, [x_dest2, #16*1]
ldr q_d2_2, [x_dest2, #16*2]
ldr q_d2_3, [x_dest2, #16*3]
ldr q_d3_0, [x_dest3, #16*0]
ldr q_d3_1, [x_dest3, #16*1]
ldr q_d3_2, [x_dest3, #16*2]
ldr q_d3_3, [x_dest3, #16*3]
ldr q_gft2_lo, [x_tbl2]
ldr q_gft2_hi, [x_tbl2, #16]
and v_data_0_lo.16b, v_data_0.16b, v_mask0f.16b
and v_data_1_lo.16b, v_data_1.16b, v_mask0f.16b
and v_data_2_lo.16b, v_data_2.16b, v_mask0f.16b
and v_data_3_lo.16b, v_data_3.16b, v_mask0f.16b
ushr v_data_0_hi.16b, v_data_0.16b, #4
ushr v_data_1_hi.16b, v_data_1.16b, #4
ushr v_data_2_hi.16b, v_data_2.16b, #4
ushr v_data_3_hi.16b, v_data_3.16b, #4
/* dest1 */
tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_0_lo.16b
tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_0_hi.16b
eor v_d1_0.16b, v_tmp_lo.16b, v_d1_0.16b
eor v_d1_0.16b, v_d1_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_1_lo.16b
tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_1_hi.16b
eor v_d1_1.16b, v_tmp_lo.16b, v_d1_1.16b
eor v_d1_1.16b, v_d1_1.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_2_lo.16b
tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_2_hi.16b
eor v_d1_2.16b, v_tmp_lo.16b, v_d1_2.16b
eor v_d1_2.16b, v_d1_2.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_3_lo.16b
tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_3_hi.16b
eor v_d1_3.16b, v_tmp_lo.16b, v_d1_3.16b
eor v_d1_3.16b, v_d1_3.16b, v_tmp_hi.16b
/* dest2 */
tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_0_lo.16b
tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_0_hi.16b
eor v_d2_0.16b, v_tmp_lo.16b, v_d2_0.16b
eor v_d2_0.16b, v_d2_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_1_lo.16b
tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_1_hi.16b
eor v_d2_1.16b, v_tmp_lo.16b, v_d2_1.16b
eor v_d2_1.16b, v_d2_1.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_2_lo.16b
tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_2_hi.16b
eor v_d2_2.16b, v_tmp_lo.16b, v_d2_2.16b
eor v_d2_2.16b, v_d2_2.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_3_lo.16b
tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_3_hi.16b
eor v_d2_3.16b, v_tmp_lo.16b, v_d2_3.16b
eor v_d2_3.16b, v_d2_3.16b, v_tmp_hi.16b
/* dest3 */
tbl v_tmp_lo.16b, {v_gft3_lo.16b}, v_data_0_lo.16b
tbl v_tmp_hi.16b, {v_gft3_hi.16b}, v_data_0_hi.16b
eor v_d3_0.16b, v_tmp_lo.16b, v_d3_0.16b
eor v_d3_0.16b, v_d3_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft3_lo.16b}, v_data_1_lo.16b
tbl v_tmp_hi.16b, {v_gft3_hi.16b}, v_data_1_hi.16b
eor v_d3_1.16b, v_tmp_lo.16b, v_d3_1.16b
eor v_d3_1.16b, v_d3_1.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft3_lo.16b}, v_data_2_lo.16b
tbl v_tmp_hi.16b, {v_gft3_hi.16b}, v_data_2_hi.16b
eor v_d3_2.16b, v_tmp_lo.16b, v_d3_2.16b
eor v_d3_2.16b, v_d3_2.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft3_lo.16b}, v_data_3_lo.16b
tbl v_tmp_hi.16b, {v_gft3_hi.16b}, v_data_3_hi.16b
eor v_d3_3.16b, v_tmp_lo.16b, v_d3_3.16b
eor v_d3_3.16b, v_d3_3.16b, v_tmp_hi.16b
str q_d1_0, [x_dest1, #16*0]
str q_d1_1, [x_dest1, #16*1]
str q_d1_2, [x_dest1, #16*2]
str q_d1_3, [x_dest1, #16*3]
add x_dest1, x_dest1, #64
str q_d2_0, [x_dest2, #16*0]
str q_d2_1, [x_dest2, #16*1]
str q_d2_2, [x_dest2, #16*2]
str q_d2_3, [x_dest2, #16*3]
add x_dest2, x_dest2, #64
str q_d3_0, [x_dest3, #16*0]
str q_d3_1, [x_dest3, #16*1]
str q_d3_2, [x_dest3, #16*2]
str q_d3_3, [x_dest3, #16*3]
add x_dest3, x_dest3, #64
ldr q_d4_0, [x_dest4, #16*0]
ldr q_d4_1, [x_dest4, #16*1]
ldr q_d4_2, [x_dest4, #16*2]
ldr q_d4_3, [x_dest4, #16*3]
ldr q_d5_0, [x_dest5, #16*0]
ldr q_d5_1, [x_dest5, #16*1]
ldr q_d5_2, [x_dest5, #16*2]
ldr q_d5_3, [x_dest5, #16*3]
ldr q_gft5_lo, [x_tbl5]
ldr q_gft5_hi, [x_tbl5, #16]
/* dest4 */
tbl v_tmp_lo.16b, {v_gft4_lo.16b}, v_data_0_lo.16b
tbl v_tmp_hi.16b, {v_gft4_hi.16b}, v_data_0_hi.16b
eor v_d4_0.16b, v_tmp_lo.16b, v_d4_0.16b
eor v_d4_0.16b, v_d4_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft4_lo.16b}, v_data_1_lo.16b
tbl v_tmp_hi.16b, {v_gft4_hi.16b}, v_data_1_hi.16b
eor v_d4_1.16b, v_tmp_lo.16b, v_d4_1.16b
eor v_d4_1.16b, v_d4_1.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft4_lo.16b}, v_data_2_lo.16b
tbl v_tmp_hi.16b, {v_gft4_hi.16b}, v_data_2_hi.16b
eor v_d4_2.16b, v_tmp_lo.16b, v_d4_2.16b
eor v_d4_2.16b, v_d4_2.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft4_lo.16b}, v_data_3_lo.16b
tbl v_tmp_hi.16b, {v_gft4_hi.16b}, v_data_3_hi.16b
eor v_d4_3.16b, v_tmp_lo.16b, v_d4_3.16b
eor v_d4_3.16b, v_d4_3.16b, v_tmp_hi.16b
/* dest5 */
tbl v_tmp_lo.16b, {v_gft5_lo.16b}, v_data_0_lo.16b
tbl v_tmp_hi.16b, {v_gft5_hi.16b}, v_data_0_hi.16b
eor v_d5_0.16b, v_tmp_lo.16b, v_d5_0.16b
eor v_d5_0.16b, v_d5_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft5_lo.16b}, v_data_1_lo.16b
tbl v_tmp_hi.16b, {v_gft5_hi.16b}, v_data_1_hi.16b
eor v_d5_1.16b, v_tmp_lo.16b, v_d5_1.16b
eor v_d5_1.16b, v_d5_1.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft5_lo.16b}, v_data_2_lo.16b
tbl v_tmp_hi.16b, {v_gft5_hi.16b}, v_data_2_hi.16b
eor v_d5_2.16b, v_tmp_lo.16b, v_d5_2.16b
eor v_d5_2.16b, v_d5_2.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft5_lo.16b}, v_data_3_lo.16b
tbl v_tmp_hi.16b, {v_gft5_hi.16b}, v_data_3_hi.16b
eor v_d5_3.16b, v_tmp_lo.16b, v_d5_3.16b
eor v_d5_3.16b, v_d5_3.16b, v_tmp_hi.16b
str q_d4_0, [x_dest4, #16*0]
str q_d4_1, [x_dest4, #16*1]
str q_d4_2, [x_dest4, #16*2]
str q_d4_3, [x_dest4, #16*3]
add x_dest4, x_dest4, #64
str q_d5_0, [x_dest5, #16*0]
str q_d5_1, [x_dest5, #16*1]
str q_d5_2, [x_dest5, #16*2]
str q_d5_3, [x_dest5, #16*3]
add x_dest5, x_dest5, #64
cmp x_src, x_src_end
bls .Lloop64
.Lloop64_end:
/* restore d8 ~ d15 */
ldp d8, d9, [sp]
ldp d10, d11, [sp, #16]
ldp d12, d13, [sp, #32]
ldp d14, d15, [sp, #48]
add sp, sp, #64
add x_src_end, x_src_end, #64
.Lloop16_init:
sub x_src_end, x_src_end, #16
cmp x_src, x_src_end
bhi .lessthan16_init
.Lloop16:
ldr q_data, [x_src]
ldr q_d1_0, [x_dest1]
ldr q_d2_0, [x_dest2]
ldr q_d3_0, [x_dest3]
ldr q_gft2_lo, [x_tbl2]
ldr q_gft2_hi, [x_tbl2, #16]
and v_data_lo.16b, v_data.16b, v_mask0f.16b
ushr v_data_hi.16b, v_data.16b, #4
tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_hi.16b
eor v_d1_0.16b, v_tmp_lo.16b, v_d1_0.16b
eor v_d1_0.16b, v_d1_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_hi.16b
eor v_d2_0.16b, v_tmp_lo.16b, v_d2_0.16b
eor v_d2_0.16b, v_d2_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft3_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft3_hi.16b}, v_data_hi.16b
eor v_d3_0.16b, v_tmp_lo.16b, v_d3_0.16b
eor v_d3_0.16b, v_d3_0.16b, v_tmp_hi.16b
str q_d1_0, [x_dest1]
str q_d2_0, [x_dest2]
str q_d3_0, [x_dest3]
ldr q_d4_0, [x_dest4]
ldr q_d5_0, [x_dest5]
ldr q_gft5_lo, [x_tbl5]
ldr q_gft5_hi, [x_tbl5, #16]
tbl v_tmp_lo.16b, {v_gft4_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft4_hi.16b}, v_data_hi.16b
eor v_d4_0.16b, v_tmp_lo.16b, v_d4_0.16b
eor v_d4_0.16b, v_d4_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft5_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft5_hi.16b}, v_data_hi.16b
eor v_d5_0.16b, v_tmp_lo.16b, v_d5_0.16b
eor v_d5_0.16b, v_d5_0.16b, v_tmp_hi.16b
str q_d4_0, [x_dest4]
str q_d5_0, [x_dest5]
add x_src, x_src, #16
add x_dest1, x_dest1, #16
add x_dest2, x_dest2, #16
add x_dest3, x_dest3, #16
add x_dest4, x_dest4, #16
add x_dest5, x_dest5, #16
cmp x_src, x_src_end
bls .Lloop16
.lessthan16_init:
sub x_tmp, x_src, x_src_end
cmp x_tmp, #16
beq .return_pass
.lessthan16:
mov x_src, x_src_end
sub x_dest1, x_dest1, x_tmp
sub x_dest2, x_dest2, x_tmp
sub x_dest3, x_dest3, x_tmp
sub x_dest4, x_dest4, x_tmp
sub x_dest5, x_dest5, x_tmp
ldr x_const, =const_tbl
sub x_const, x_const, x_tmp
ldr q_tmp, [x_const, #16]
ldr q_data, [x_src]
ldr q_d1_0, [x_dest1]
ldr q_d2_0, [x_dest2]
ldr q_d3_0, [x_dest3]
ldr q_gft2_lo, [x_tbl2]
ldr q_gft2_hi, [x_tbl2, #16]
and v_data_lo.16b, v_data.16b, v_mask0f.16b
ushr v_data_hi.16b, v_data.16b, #4
tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_hi.16b
eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
eor v_d1_0.16b, v_d1_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_hi.16b
eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
eor v_d2_0.16b, v_d2_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft3_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft3_hi.16b}, v_data_hi.16b
eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
eor v_d3_0.16b, v_d3_0.16b, v_tmp_hi.16b
str q_d1_0, [x_dest1]
str q_d2_0, [x_dest2]
str q_d3_0, [x_dest3]
ldr q_d4_0, [x_dest4]
ldr q_d5_0, [x_dest5]
ldr q_gft5_lo, [x_tbl5]
ldr q_gft5_hi, [x_tbl5, #16]
tbl v_tmp_lo.16b, {v_gft4_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft4_hi.16b}, v_data_hi.16b
eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
eor v_d4_0.16b, v_d4_0.16b, v_tmp_hi.16b
tbl v_tmp_lo.16b, {v_gft5_lo.16b}, v_data_lo.16b
tbl v_tmp_hi.16b, {v_gft5_hi.16b}, v_data_hi.16b
eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
eor v_d5_0.16b, v_d5_0.16b, v_tmp_hi.16b
str q_d4_0, [x_dest4]
str q_d5_0, [x_dest5]
.return_pass:
mov w_ret, #0
ret
.return_fail:
mov w_ret, #1
ret
.section .data
.balign 8
const_tbl:
.dword 0x0000000000000000, 0x0000000000000000
.dword 0xffffffffffffffff, 0xffffffffffffffff
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