/************************************************************** 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_dot_prod_neon .type gf_5vect_dot_prod_neon, %function /* arguments */ x_len .req x0 x_vec .req x1 x_tbl .req x2 x_src .req x3 x_dest .req x4 /* returns */ w_ret .req w0 /* local variables */ x_vec_i .req x5 x_ptr .req x6 x_pos .req x7 x_tmp .req x8 x_dest1 .req x9 x_dest2 .req x10 x_dest3 .req x11 x_dest4 .req x12 x_dest5 .req x13 /* vectors */ v_tmp1 .req v0 q_tmp1 .req q0 v_tmp2 .req v1 q_tmp2 .req q1 v_mask0f .req v_tmp1 q_mask0f .req q_tmp1 v_tmp_lo .req v_tmp1 v_tmp_hi .req v_tmp2 v_gft_lo .req v2 v_gft_hi .req v3 q_gft_lo .req q2 q_gft_hi .req q3 v_p1_0 .req v4 v_p2_0 .req v5 v_p3_0 .req v6 v_p4_0 .req v7 q_p1_0 .req q4 q_p2_0 .req q5 q_p3_0 .req q6 q_p4_0 .req q7 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_p5_0 .req v16 v_p1_1 .req v17 v_p2_1 .req v18 v_p3_1 .req v19 v_p4_1 .req v20 v_p5_1 .req v21 v_p1_2 .req v22 v_p2_2 .req v23 v_p3_2 .req v24 v_p4_2 .req v25 v_p5_2 .req v26 v_p1_3 .req v27 v_p2_3 .req v28 v_p3_3 .req v29 v_p4_3 .req v30 v_p5_3 .req v31 q_p5_0 .req q16 q_p1_1 .req q17 q_p2_1 .req q18 q_p3_1 .req q19 q_p4_1 .req q20 q_p5_1 .req q21 q_p1_2 .req q22 q_p2_2 .req q23 q_p3_2 .req q24 q_p4_2 .req q25 q_p5_2 .req q26 q_p1_3 .req q27 q_p2_3 .req q28 q_p3_3 .req q29 q_p4_3 .req q30 q_p5_3 .req q31 v_data .req v_p1_1 q_data .req q_p1_1 v_data_lo .req v_p2_1 v_data_hi .req v_p3_1 v_gft1_lo .req v_p4_1 v_gft1_hi .req v_p5_1 v_gft2_lo .req v_p1_2 v_gft2_hi .req v_p2_2 v_gft3_lo .req v_p3_2 v_gft3_hi .req v_p4_2 v_gft4_lo .req v_p5_2 v_gft4_hi .req v_p1_3 v_gft5_lo .req v_p2_3 v_gft5_hi .req v_p3_3 q_gft1_lo .req q_p4_1 q_gft1_hi .req q_p5_1 q_gft2_lo .req q_p1_2 q_gft2_hi .req q_p2_2 q_gft3_lo .req q_p3_2 q_gft3_hi .req q_p4_2 q_gft4_lo .req q_p5_2 q_gft4_hi .req q_p1_3 q_gft5_lo .req q_p2_3 q_gft5_hi .req q_p3_3 gf_5vect_dot_prod_neon: /* less than 16 bytes, return_fail */ cmp x_len, #16 blt .return_fail mov x_pos, #0 lsl x_vec, x_vec, #3 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] .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_len, x_len, #64 .Lloop64: movi v_p1_0.16b, #0 movi v_p1_1.16b, #0 movi v_p1_2.16b, #0 movi v_p1_3.16b, #0 movi v_p2_0.16b, #0 movi v_p2_1.16b, #0 movi v_p2_2.16b, #0 movi v_p2_3.16b, #0 movi v_p3_0.16b, #0 movi v_p3_1.16b, #0 movi v_p3_2.16b, #0 movi v_p3_3.16b, #0 movi v_p4_0.16b, #0 movi v_p4_1.16b, #0 movi v_p4_2.16b, #0 movi v_p4_3.16b, #0 movi v_p5_0.16b, #0 movi v_p5_1.16b, #0 movi v_p5_2.16b, #0 movi v_p5_3.16b, #0 mov x_vec_i, #0 .Lloop64_vects: ldr x_ptr, [x_src, x_vec_i] add x_ptr, x_ptr, x_pos ldr q_data_0, [x_ptr], #16 ldr q_data_1, [x_ptr], #16 ldr q_data_2, [x_ptr], #16 ldr q_data_3, [x_ptr], #16 prfm pldl2keep, [x_ptr] movi v_mask0f.16b, #0x0f 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 /* v_p1_x */ add x_tmp, x_tbl, x_vec_i, lsl #2 add x_vec_i, x_vec_i, #8 ldp q_gft_lo, q_gft_hi, [x_tmp] prfm pldl3keep, [x_tmp, #32] add x_tmp, x_tmp, x_vec, lsl #2 tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_0_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_0_hi.16b eor v_p1_0.16b, v_tmp_lo.16b, v_p1_0.16b eor v_p1_0.16b, v_p1_0.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_1_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_1_hi.16b eor v_p1_1.16b, v_tmp_lo.16b, v_p1_1.16b eor v_p1_1.16b, v_p1_1.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_2_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_2_hi.16b eor v_p1_2.16b, v_tmp_lo.16b, v_p1_2.16b eor v_p1_2.16b, v_p1_2.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_3_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_3_hi.16b eor v_p1_3.16b, v_tmp_lo.16b, v_p1_3.16b eor v_p1_3.16b, v_p1_3.16b, v_tmp_hi.16b /* v_p2_x */ ldp q_gft_lo, q_gft_hi, [x_tmp] prfm pldl3keep, [x_tmp, #32] add x_tmp, x_tmp, x_vec, lsl #2 tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_0_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_0_hi.16b eor v_p2_0.16b, v_tmp_lo.16b, v_p2_0.16b eor v_p2_0.16b, v_p2_0.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_1_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_1_hi.16b eor v_p2_1.16b, v_tmp_lo.16b, v_p2_1.16b eor v_p2_1.16b, v_p2_1.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_2_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_2_hi.16b eor v_p2_2.16b, v_tmp_lo.16b, v_p2_2.16b eor v_p2_2.16b, v_p2_2.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_3_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_3_hi.16b eor v_p2_3.16b, v_tmp_lo.16b, v_p2_3.16b eor v_p2_3.16b, v_p2_3.16b, v_tmp_hi.16b /* v_p3_x */ ldp q_gft_lo, q_gft_hi, [x_tmp] prfm pldl3keep, [x_tmp, #32] add x_tmp, x_tmp, x_vec, lsl #2 tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_0_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_0_hi.16b eor v_p3_0.16b, v_tmp_lo.16b, v_p3_0.16b eor v_p3_0.16b, v_p3_0.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_1_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_1_hi.16b eor v_p3_1.16b, v_tmp_lo.16b, v_p3_1.16b eor v_p3_1.16b, v_p3_1.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_2_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_2_hi.16b eor v_p3_2.16b, v_tmp_lo.16b, v_p3_2.16b eor v_p3_2.16b, v_p3_2.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_3_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_3_hi.16b eor v_p3_3.16b, v_tmp_lo.16b, v_p3_3.16b eor v_p3_3.16b, v_p3_3.16b, v_tmp_hi.16b /* v_p4_x */ ldp q_gft_lo, q_gft_hi, [x_tmp] prfm pldl3keep, [x_tmp, #32] add x_tmp, x_tmp, x_vec, lsl #2 tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_0_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_0_hi.16b eor v_p4_0.16b, v_tmp_lo.16b, v_p4_0.16b eor v_p4_0.16b, v_p4_0.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_1_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_1_hi.16b eor v_p4_1.16b, v_tmp_lo.16b, v_p4_1.16b eor v_p4_1.16b, v_p4_1.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_2_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_2_hi.16b eor v_p4_2.16b, v_tmp_lo.16b, v_p4_2.16b eor v_p4_2.16b, v_p4_2.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_3_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_3_hi.16b eor v_p4_3.16b, v_tmp_lo.16b, v_p4_3.16b eor v_p4_3.16b, v_p4_3.16b, v_tmp_hi.16b /* v_p5_x */ ldp q_gft_lo, q_gft_hi, [x_tmp] prfm pldl3keep, [x_tmp, #32] tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_0_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_0_hi.16b eor v_p5_0.16b, v_tmp_lo.16b, v_p5_0.16b eor v_p5_0.16b, v_p5_0.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_1_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_1_hi.16b eor v_p5_1.16b, v_tmp_lo.16b, v_p5_1.16b eor v_p5_1.16b, v_p5_1.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_2_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_2_hi.16b eor v_p5_2.16b, v_tmp_lo.16b, v_p5_2.16b eor v_p5_2.16b, v_p5_2.16b, v_tmp_hi.16b tbl v_tmp_lo.16b, {v_gft_lo.16b}, v_data_3_lo.16b tbl v_tmp_hi.16b, {v_gft_hi.16b}, v_data_3_hi.16b eor v_p5_3.16b, v_tmp_lo.16b, v_p5_3.16b eor v_p5_3.16b, v_p5_3.16b, v_tmp_hi.16b cmp x_vec_i, x_vec blt .Lloop64_vects .Lloop64_vects_end: add x_ptr, x_dest1, x_pos stp q_p1_0, q_p1_1, [x_ptr], #32 stp q_p1_2, q_p1_3, [x_ptr] add x_ptr, x_dest2, x_pos stp q_p2_0, q_p2_1, [x_ptr], #32 stp q_p2_2, q_p2_3, [x_ptr] add x_ptr, x_dest3, x_pos stp q_p3_0, q_p3_1, [x_ptr], #32 stp q_p3_2, q_p3_3, [x_ptr] add x_ptr, x_dest4, x_pos stp q_p4_0, q_p4_1, [x_ptr], #32 stp q_p4_2, q_p4_3, [x_ptr] add x_ptr, x_dest5, x_pos stp q_p5_0, q_p5_1, [x_ptr], #32 stp q_p5_2, q_p5_3, [x_ptr] add x_pos, x_pos, #64 cmp x_pos, x_len ble .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_len, x_len, #64 cmp x_pos, x_len beq .return_pass .Lloop16_init: sub x_len, x_len, #16 cmp x_pos, x_len bgt .lessthan16_init .Lloop16: movi v_p1_0.16b, #0 movi v_p2_0.16b, #0 movi v_p3_0.16b, #0 movi v_p4_0.16b, #0 movi v_p5_0.16b, #0 mov x_vec_i, #0 .Lloop16_vects: ldr x_ptr, [x_src, x_vec_i] ldr q_data, [x_ptr, x_pos] movi v_mask0f.16b, #0x0f and v_data_lo.16b, v_data.16b, v_mask0f.16b ushr v_data_hi.16b, v_data.16b, #4 add x_tmp, x_tbl, x_vec_i, lsl #2 add x_vec_i, x_vec_i, #8 ldp q_gft1_lo, q_gft1_hi, [x_tmp] add x_tmp, x_tmp, x_vec, lsl #2 ldp q_gft2_lo, q_gft2_hi, [x_tmp] add x_tmp, x_tmp, x_vec, lsl #2 ldp q_gft3_lo, q_gft3_hi, [x_tmp] add x_tmp, x_tmp, x_vec, lsl #2 ldp q_gft4_lo, q_gft4_hi, [x_tmp] add x_tmp, x_tmp, x_vec, lsl #2 ldp q_gft5_lo, q_gft5_hi, [x_tmp] tbl v_gft1_lo.16b, {v_gft1_lo.16b}, v_data_lo.16b tbl v_gft1_hi.16b, {v_gft1_hi.16b}, v_data_hi.16b tbl v_gft2_lo.16b, {v_gft2_lo.16b}, v_data_lo.16b tbl v_gft2_hi.16b, {v_gft2_hi.16b}, v_data_hi.16b tbl v_gft3_lo.16b, {v_gft3_lo.16b}, v_data_lo.16b tbl v_gft3_hi.16b, {v_gft3_hi.16b}, v_data_hi.16b tbl v_gft4_lo.16b, {v_gft4_lo.16b}, v_data_lo.16b tbl v_gft4_hi.16b, {v_gft4_hi.16b}, v_data_hi.16b tbl v_gft5_lo.16b, {v_gft5_lo.16b}, v_data_lo.16b tbl v_gft5_hi.16b, {v_gft5_hi.16b}, v_data_hi.16b eor v_p1_0.16b, v_gft1_hi.16b, v_p1_0.16b eor v_p1_0.16b, v_p1_0.16b, v_gft1_lo.16b eor v_p2_0.16b, v_gft2_hi.16b, v_p2_0.16b eor v_p2_0.16b, v_p2_0.16b, v_gft2_lo.16b eor v_p3_0.16b, v_gft3_hi.16b, v_p3_0.16b eor v_p3_0.16b, v_p3_0.16b, v_gft3_lo.16b eor v_p4_0.16b, v_gft4_hi.16b, v_p4_0.16b eor v_p4_0.16b, v_p4_0.16b, v_gft4_lo.16b eor v_p5_0.16b, v_gft5_hi.16b, v_p5_0.16b eor v_p5_0.16b, v_p5_0.16b, v_gft5_lo.16b cmp x_vec_i, x_vec bne .Lloop16_vects .Lloop16_vects_end: str q_p1_0, [x_dest1, x_pos] str q_p2_0, [x_dest2, x_pos] str q_p3_0, [x_dest3, x_pos] str q_p4_0, [x_dest4, x_pos] str q_p5_0, [x_dest5, 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