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bee5180a15
Here is the bug report on ceph. https://tracker.ceph.com/issues/48681 Change-Id: Ie1c60a71f28c1a169c8899a621be9bb455f5e244 Signed-off-by: luo rixin <luorixin@huawei.com>
403 lines
11 KiB
ArmAsm
403 lines
11 KiB
ArmAsm
/**************************************************************
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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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.text
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.global gf_2vect_mad_neon
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.type gf_2vect_mad_neon, %function
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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_vec_i .req x2
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x_tbl .req x3
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x_src .req x4
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x_dest .req x5
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/* returns */
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w_ret .req w0
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/* local variables */
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x_src_end .req x6
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x_dest1 .req x7
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x_dest2 .req x8
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x_tmp .req x9
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x_tbl1 .req x10
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x_tbl2 .req x11
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x_const .req x12
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/* vectors */
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v_mask0f .req v0
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v_tmp_lo .req v1
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v_tmp_hi .req v2
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v_tmp .req v3
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q_tmp .req q3
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v_gft1_lo .req v4
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v_gft1_hi .req v5
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v_gft2_lo .req v6
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v_gft2_hi .req v7
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q_gft1_lo .req q4
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q_gft1_hi .req q5
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q_gft2_lo .req q6
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q_gft2_hi .req q7
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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_data_0_lo .req v16
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v_data_1_lo .req v17
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v_data_2_lo .req v18
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v_data_3_lo .req v19
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v_data_4_lo .req v20
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v_data_5_lo .req v21
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v_data_6_lo .req v22
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v_data_7_lo .req v23
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v_data_0_hi .req v_data_0
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v_data_1_hi .req v_data_1
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v_data_2_hi .req v_data_2
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v_data_3_hi .req v_data_3
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v_data_4_hi .req v_data_4
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v_data_5_hi .req v_data_5
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v_data_6_hi .req v_data_6
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v_data_7_hi .req v_data_7
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v_d0 .req v24
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v_d1 .req v25
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v_d2 .req v26
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v_d3 .req v27
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v_d4 .req v28
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v_d5 .req v29
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v_d6 .req v30
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v_d7 .req v31
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q_d0 .req q24
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q_d1 .req q25
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q_d2 .req q26
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q_d3 .req q27
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q_d4 .req q28
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q_d5 .req q29
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q_d6 .req q30
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q_d7 .req q31
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v_data .req v16
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q_data .req q16
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v_data_lo .req v17
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v_data_hi .req v18
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gf_2vect_mad_neon:
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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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lsl x_vec_i, x_vec_i, #5
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lsl x_vec, x_vec, #5
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add x_tbl1, x_tbl, x_vec_i
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add x_tbl2, x_tbl1, x_vec
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add x_src_end, x_src, x_len
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ldr x_dest1, [x_dest]
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ldr x_dest2, [x_dest, #8]
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ldr q_gft1_lo, [x_tbl1]
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ldr q_gft1_hi, [x_tbl1, #16]
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ldr q_gft2_lo, [x_tbl2]
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ldr q_gft2_hi, [x_tbl2, #16]
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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_src_end, x_src_end, #128
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.Lloop128:
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ldr q_data_0, [x_src, #16*0]
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ldr q_data_1, [x_src, #16*1]
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ldr q_data_2, [x_src, #16*2]
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ldr q_data_3, [x_src, #16*3]
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ldr q_data_4, [x_src, #16*4]
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ldr q_data_5, [x_src, #16*5]
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ldr q_data_6, [x_src, #16*6]
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ldr q_data_7, [x_src, #16*7]
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ldr q_d0, [x_dest1, #16*0]
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ldr q_d1, [x_dest1, #16*1]
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ldr q_d2, [x_dest1, #16*2]
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ldr q_d3, [x_dest1, #16*3]
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ldr q_d4, [x_dest1, #16*4]
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ldr q_d5, [x_dest1, #16*5]
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ldr q_d6, [x_dest1, #16*6]
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ldr q_d7, [x_dest1, #16*7]
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and v_data_0_lo.16b, v_data_0.16b, v_mask0f.16b
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and v_data_1_lo.16b, v_data_1.16b, v_mask0f.16b
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and v_data_2_lo.16b, v_data_2.16b, v_mask0f.16b
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and v_data_3_lo.16b, v_data_3.16b, v_mask0f.16b
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and v_data_4_lo.16b, v_data_4.16b, v_mask0f.16b
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and v_data_5_lo.16b, v_data_5.16b, v_mask0f.16b
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and v_data_6_lo.16b, v_data_6.16b, v_mask0f.16b
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and v_data_7_lo.16b, v_data_7.16b, v_mask0f.16b
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ushr v_data_0_hi.16b, v_data_0.16b, #4
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ushr v_data_1_hi.16b, v_data_1.16b, #4
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ushr v_data_2_hi.16b, v_data_2.16b, #4
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ushr v_data_3_hi.16b, v_data_3.16b, #4
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ushr v_data_4_hi.16b, v_data_4.16b, #4
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ushr v_data_5_hi.16b, v_data_5.16b, #4
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ushr v_data_6_hi.16b, v_data_6.16b, #4
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ushr v_data_7_hi.16b, v_data_7.16b, #4
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_0_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_0_hi.16b
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eor v_d0.16b, v_tmp_lo.16b, v_d0.16b
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eor v_d0.16b, v_d0.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_1_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_1_hi.16b
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eor v_d1.16b, v_tmp_lo.16b, v_d1.16b
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eor v_d1.16b, v_d1.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_2_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_2_hi.16b
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eor v_d2.16b, v_tmp_lo.16b, v_d2.16b
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eor v_d2.16b, v_d2.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_3_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_3_hi.16b
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eor v_d3.16b, v_tmp_lo.16b, v_d3.16b
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eor v_d3.16b, v_d3.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_4_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_4_hi.16b
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eor v_d4.16b, v_tmp_lo.16b, v_d4.16b
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eor v_d4.16b, v_d4.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_5_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_5_hi.16b
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eor v_d5.16b, v_tmp_lo.16b, v_d5.16b
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eor v_d5.16b, v_d5.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_6_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_6_hi.16b
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eor v_d6.16b, v_tmp_lo.16b, v_d6.16b
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eor v_d6.16b, v_d6.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_7_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_7_hi.16b
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eor v_d7.16b, v_tmp_lo.16b, v_d7.16b
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eor v_d7.16b, v_d7.16b, v_tmp_hi.16b
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str q_d0, [x_dest1, #16*0]
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str q_d1, [x_dest1, #16*1]
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str q_d2, [x_dest1, #16*2]
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str q_d3, [x_dest1, #16*3]
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str q_d4, [x_dest1, #16*4]
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str q_d5, [x_dest1, #16*5]
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str q_d6, [x_dest1, #16*6]
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str q_d7, [x_dest1, #16*7]
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ldr q_d0, [x_dest2, #16*0]
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ldr q_d1, [x_dest2, #16*1]
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ldr q_d2, [x_dest2, #16*2]
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ldr q_d3, [x_dest2, #16*3]
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ldr q_d4, [x_dest2, #16*4]
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ldr q_d5, [x_dest2, #16*5]
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ldr q_d6, [x_dest2, #16*6]
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ldr q_d7, [x_dest2, #16*7]
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_0_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_0_hi.16b
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eor v_d0.16b, v_tmp_lo.16b, v_d0.16b
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eor v_d0.16b, v_d0.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_1_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_1_hi.16b
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eor v_d1.16b, v_tmp_lo.16b, v_d1.16b
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eor v_d1.16b, v_d1.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_2_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_2_hi.16b
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eor v_d2.16b, v_tmp_lo.16b, v_d2.16b
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eor v_d2.16b, v_d2.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_3_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_3_hi.16b
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eor v_d3.16b, v_tmp_lo.16b, v_d3.16b
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eor v_d3.16b, v_d3.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_4_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_4_hi.16b
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eor v_d4.16b, v_tmp_lo.16b, v_d4.16b
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eor v_d4.16b, v_d4.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_5_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_5_hi.16b
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eor v_d5.16b, v_tmp_lo.16b, v_d5.16b
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eor v_d5.16b, v_d5.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_6_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_6_hi.16b
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eor v_d6.16b, v_tmp_lo.16b, v_d6.16b
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eor v_d6.16b, v_d6.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_7_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_7_hi.16b
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eor v_d7.16b, v_tmp_lo.16b, v_d7.16b
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eor v_d7.16b, v_d7.16b, v_tmp_hi.16b
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str q_d0, [x_dest2, #16*0]
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str q_d1, [x_dest2, #16*1]
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str q_d2, [x_dest2, #16*2]
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str q_d3, [x_dest2, #16*3]
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str q_d4, [x_dest2, #16*4]
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str q_d5, [x_dest2, #16*5]
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str q_d6, [x_dest2, #16*6]
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str q_d7, [x_dest2, #16*7]
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add x_src, x_src, #128
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add x_dest1, x_dest1, #128
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add x_dest2, x_dest2, #128
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cmp x_src, x_src_end
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bls .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_src_end, x_src_end, #128
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.Lloop16_init:
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sub x_src_end, x_src_end, #16
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cmp x_src, x_src_end
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bhi .lessthan16_init
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.Lloop16:
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ldr q_data, [x_src]
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ldr q_d0, [x_dest1]
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ldr q_d1, [x_dest2]
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and v_data_lo.16b, v_data.16b, v_mask0f.16b
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ushr v_data_hi.16b, v_data.16b, #4
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_hi.16b
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eor v_d0.16b, v_tmp_lo.16b, v_d0.16b
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eor v_d0.16b, v_d0.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_hi.16b
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eor v_d1.16b, v_tmp_lo.16b, v_d1.16b
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eor v_d1.16b, v_d1.16b, v_tmp_hi.16b
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str q_d0, [x_dest1]
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str q_d1, [x_dest2]
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add x_dest1, x_dest1, #16
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add x_dest2, x_dest2, #16
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add x_src, x_src, #16
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cmp x_src, x_src_end
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bls .Lloop16
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.lessthan16_init:
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sub x_tmp, x_src, x_src_end
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cmp x_tmp, #16
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beq .return_pass
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.lessthan16:
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mov x_src, x_src_end
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sub x_dest1, x_dest1, x_tmp
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sub x_dest2, x_dest2, x_tmp
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adrp x_const, const_tbl
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add x_const, x_const, :lo12:const_tbl
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sub x_const, x_const, x_tmp
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ldr q_tmp, [x_const, #16]
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ldr q_data, [x_src]
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ldr q_d0, [x_dest1]
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ldr q_d1, [x_dest2]
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and v_data_lo.16b, v_data.16b, v_mask0f.16b
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ushr v_data_hi.16b, v_data.16b, #4
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tbl v_tmp_lo.16b, {v_gft1_lo.16b}, v_data_lo.16b
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tbl v_tmp_hi.16b, {v_gft1_hi.16b}, v_data_hi.16b
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eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
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and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
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eor v_d0.16b, v_d0.16b, v_tmp_hi.16b
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tbl v_tmp_lo.16b, {v_gft2_lo.16b}, v_data_lo.16b
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tbl v_tmp_hi.16b, {v_gft2_hi.16b}, v_data_hi.16b
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eor v_tmp_hi.16b, v_tmp_lo.16b, v_tmp_hi.16b
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and v_tmp_hi.16b, v_tmp_hi.16b, v_tmp.16b
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eor v_d1.16b, v_d1.16b, v_tmp_hi.16b
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str q_d0, [x_dest1]
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str q_d1, [x_dest2]
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.return_pass:
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mov w_ret, #0
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ret
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.return_fail:
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mov w_ret, #1
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ret
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.section .rodata
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.balign 8
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const_tbl:
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.dword 0x0000000000000000, 0x0000000000000000
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.dword 0xffffffffffffffff, 0xffffffffffffffff
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