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Impressum ipred16.SSprache: Sparc |
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/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2019, Martin Storsjo * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. 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. * * 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. */ #include "src/arm/asm.S" #include "util.S" // void ipred_dc_128_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height, // const int bitdepth_max); function ipred_dc_128_16bpc_neon, export=1 ldr w8, [sp] clz w3, w3 movrel x5, ipred_dc_128_tbl sub w3, w3, #25 ldrsw x3, [x5, w3, uxtw #2] dup v0.8h, w8 add x5, x5, x3 add x6, x0, x1 lsl x1, x1, #1 urshr v0.8h, v0.8h, #1 br x5 40: AARCH64_VALID_JUMP_TARGET 4: st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 subs w4, w4, #4 st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET 8: st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 8b ret 160: AARCH64_VALID_JUMP_TARGET mov v1.16b, v0.16b 16: st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 b.gt 16b ret 320: AARCH64_VALID_JUMP_TARGET mov v1.16b, v0.16b mov v2.16b, v0.16b mov v3.16b, v0.16b 32: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 32b ret 640: AARCH64_VALID_JUMP_TARGET mov v1.16b, v0.16b mov v2.16b, v0.16b mov v3.16b, v0.16b sub x1, x1, #64 64: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 64b ret endfunc jumptable ipred_dc_128_tbl .word 640b - ipred_dc_128_tbl .word 320b - ipred_dc_128_tbl .word 160b - ipred_dc_128_tbl .word 80b - ipred_dc_128_tbl .word 40b - ipred_dc_128_tbl endjumptable // void ipred_v_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_v_16bpc_neon, export=1 clz w3, w3 movrel x5, ipred_v_tbl sub w3, w3, #25 ldrsw x3, [x5, w3, uxtw #2] add x2, x2, #2 add x5, x5, x3 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2] 4: st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 subs w4, w4, #4 st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2] 8: st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 8b ret 160: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h}, [x2] 16: st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 b.gt 16b ret 320: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2] 32: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 32b ret 640: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], #64 sub x1, x1, #64 ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2] 64: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x0], x1 st1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x0], x1 st1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x6], x1 b.gt 64b ret endfunc jumptable ipred_v_tbl .word 640b - ipred_v_tbl .word 320b - ipred_v_tbl .word 160b - ipred_v_tbl .word 80b - ipred_v_tbl .word 40b - ipred_v_tbl endjumptable // void ipred_h_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_h_16bpc_neon, export=1 clz w3, w3 movrel x5, ipred_h_tbl sub w3, w3, #25 ldrsw x3, [x5, w3, uxtw #2] sub x2, x2, #8 add x5, x5, x3 mov x7, #-8 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET 4: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 st1 {v3.4h}, [x0], x1 st1 {v2.4h}, [x6], x1 subs w4, w4, #4 st1 {v1.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET 8: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 st1 {v3.8h}, [x0], x1 st1 {v2.8h}, [x6], x1 subs w4, w4, #4 st1 {v1.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 8b ret 160: AARCH64_VALID_JUMP_TARGET 16: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 str q3, [x0, #16] str q2, [x6, #16] st1 {v3.8h}, [x0], x1 st1 {v2.8h}, [x6], x1 subs w4, w4, #4 str q1, [x0, #16] str q0, [x6, #16] st1 {v1.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 16b ret 320: AARCH64_VALID_JUMP_TARGET 32: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 str q3, [x0, #16] str q2, [x6, #16] stp q3, q3, [x0, #32] stp q2, q2, [x6, #32] st1 {v3.8h}, [x0], x1 st1 {v2.8h}, [x6], x1 subs w4, w4, #4 str q1, [x0, #16] str q0, [x6, #16] stp q1, q1, [x0, #32] stp q0, q0, [x6, #32] st1 {v1.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 32b ret 640: AARCH64_VALID_JUMP_TARGET 64: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 str q3, [x0, #16] str q2, [x6, #16] stp q3, q3, [x0, #32] stp q2, q2, [x6, #32] stp q3, q3, [x0, #64] stp q2, q2, [x6, #64] stp q3, q3, [x0, #96] stp q2, q2, [x6, #96] st1 {v3.8h}, [x0], x1 st1 {v2.8h}, [x6], x1 subs w4, w4, #4 str q1, [x0, #16] str q0, [x6, #16] stp q1, q1, [x0, #32] stp q0, q0, [x6, #32] stp q1, q1, [x0, #64] stp q0, q0, [x6, #64] stp q1, q1, [x0, #96] stp q0, q0, [x6, #96] st1 {v1.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 64b ret endfunc jumptable ipred_h_tbl .word 640b - ipred_h_tbl .word 320b - ipred_h_tbl .word 160b - ipred_h_tbl .word 80b - ipred_h_tbl .word 40b - ipred_h_tbl endjumptable // void ipred_dc_top_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_dc_top_16bpc_neon, export=1 clz w3, w3 movrel x5, ipred_dc_top_tbl sub w3, w3, #25 ldrsw x3, [x5, w3, uxtw #2] add x2, x2, #2 add x5, x5, x3 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2] addv h0, v0.4h urshr v0.4h, v0.4h, #2 dup v0.4h, v0.h[0] 4: st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 subs w4, w4, #4 st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2] addv h0, v0.8h urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] 8: st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 8b ret 160: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h}, [x2] addp v0.8h, v0.8h, v1.8h addv h0, v0.8h urshr v2.4h, v0.4h, #4 dup v0.8h, v2.h[0] dup v1.8h, v2.h[0] 16: st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 b.gt 16b ret 320: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2] addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h addp v0.8h, v0.8h, v2.8h uaddlv s0, v0.8h rshrn v4.4h, v0.4s, #5 dup v0.8h, v4.h[0] dup v1.8h, v4.h[0] dup v2.8h, v4.h[0] dup v3.8h, v4.h[0] 32: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 32b ret 640: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], #64 addp v0.8h, v0.8h, v1.8h ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2] addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h addp v0.8h, v0.8h, v2.8h addp v4.8h, v4.8h, v6.8h addp v0.8h, v0.8h, v4.8h uaddlv s0, v0.8h rshrn v4.4h, v0.4s, #6 sub x1, x1, #64 dup v0.8h, v4.h[0] dup v1.8h, v4.h[0] dup v2.8h, v4.h[0] dup v3.8h, v4.h[0] 64: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 64b ret endfunc jumptable ipred_dc_top_tbl .word 640b - ipred_dc_top_tbl .word 320b - ipred_dc_top_tbl .word 160b - ipred_dc_top_tbl .word 80b - ipred_dc_top_tbl .word 40b - ipred_dc_top_tbl endjumptable // void ipred_dc_left_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_dc_left_16bpc_neon, export=1 sub x2, x2, w4, uxtw #1 clz w3, w3 clz w7, w4 movrel x5, ipred_dc_left_tbl sub w3, w3, #20 // 25 leading bits, minus table offset 5 sub w7, w7, #25 ldrsw x3, [x5, w3, uxtw #2] ldrsw x7, [x5, w7, uxtw #2] add x3, x5, x3 add x5, x5, x7 add x6, x0, x1 lsl x1, x1, #1 br x5 L(ipred_dc_left_h4): AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2] addv h0, v0.4h urshr v0.4h, v0.4h, #2 dup v0.8h, v0.h[0] br x3 L(ipred_dc_left_w4): AARCH64_VALID_JUMP_TARGET 1: st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 subs w4, w4, #4 st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 b.gt 1b ret L(ipred_dc_left_h8): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2] addv h0, v0.8h urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] br x3 L(ipred_dc_left_w8): AARCH64_VALID_JUMP_TARGET 1: st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 1b ret L(ipred_dc_left_h16): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h}, [x2] addp v0.8h, v0.8h, v1.8h addv h0, v0.8h urshr v2.4h, v0.4h, #4 dup v0.8h, v2.h[0] dup v1.8h, v2.h[0] br x3 L(ipred_dc_left_w16): AARCH64_VALID_JUMP_TARGET mov v1.16b, v0.16b 1: st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 b.gt 1b ret L(ipred_dc_left_h32): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2] addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h addp v0.8h, v0.8h, v2.8h uaddlp v0.4s, v0.8h addv s0, v0.4s rshrn v4.4h, v0.4s, #5 dup v0.8h, v4.h[0] br x3 L(ipred_dc_left_w32): AARCH64_VALID_JUMP_TARGET mov v1.16b, v0.16b mov v2.16b, v0.16b mov v3.16b, v0.16b 1: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 1b ret L(ipred_dc_left_h64): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], #64 addp v0.8h, v0.8h, v1.8h ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2] addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h addp v0.8h, v0.8h, v2.8h addp v4.8h, v4.8h, v6.8h addp v0.8h, v0.8h, v4.8h uaddlv s0, v0.8h rshrn v4.4h, v0.4s, #6 dup v0.8h, v4.h[0] br x3 L(ipred_dc_left_w64): AARCH64_VALID_JUMP_TARGET mov v1.16b, v0.16b mov v2.16b, v0.16b mov v3.16b, v0.16b sub x1, x1, #64 1: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 1b ret endfunc jumptable ipred_dc_left_tbl .word L(ipred_dc_left_h64) - ipred_dc_left_tbl .word L(ipred_dc_left_h32) - ipred_dc_left_tbl .word L(ipred_dc_left_h16) - ipred_dc_left_tbl .word L(ipred_dc_left_h8) - ipred_dc_left_tbl .word L(ipred_dc_left_h4) - ipred_dc_left_tbl .word L(ipred_dc_left_w64) - ipred_dc_left_tbl .word L(ipred_dc_left_w32) - ipred_dc_left_tbl .word L(ipred_dc_left_w16) - ipred_dc_left_tbl .word L(ipred_dc_left_w8) - ipred_dc_left_tbl .word L(ipred_dc_left_w4) - ipred_dc_left_tbl endjumptable // void ipred_dc_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_dc_16bpc_neon, export=1 sub x2, x2, w4, uxtw #1 add w7, w3, w4 // width + height clz w3, w3 clz w6, w4 dup v16.4s, w7 // width + height movrel x5, ipred_dc_tbl rbit w7, w7 // rbit(width + height) sub w3, w3, #20 // 25 leading bits, minus table offset 5 sub w6, w6, #25 clz w7, w7 // ctz(width + height) ldrsw x3, [x5, w3, uxtw #2] ldrsw x6, [x5, w6, uxtw #2] neg w7, w7 // -ctz(width + height) add x3, x5, x3 add x5, x5, x6 ushr v16.4s, v16.4s, #1 // (width + height) >> 1 dup v17.4s, w7 // -ctz(width + height) add x6, x0, x1 lsl x1, x1, #1 br x5 L(ipred_dc_h4): AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2], #8 uaddlv s0, v0.4h add x2, x2, #2 br x3 L(ipred_dc_w4): AARCH64_VALID_JUMP_TARGET ld1 {v1.4h}, [x2] add v0.2s, v0.2s, v16.2s uaddlv s1, v1.4h cmp w4, #4 add v0.2s, v0.2s, v1.2s ushl v0.2s, v0.2s, v17.2s b.eq 1f // h = 8/16 cmp w4, #16 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v0.2s, v0.2s, v16.2s ushr v0.2s, v0.2s, #17 1: dup v0.4h, v0.h[0] 2: st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 subs w4, w4, #4 st1 {v0.4h}, [x0], x1 st1 {v0.4h}, [x6], x1 b.gt 2b ret L(ipred_dc_h8): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2], #16 uaddlv s0, v0.8h add x2, x2, #2 br x3 L(ipred_dc_w8): AARCH64_VALID_JUMP_TARGET ld1 {v1.8h}, [x2] add v0.2s, v0.2s, v16.2s uaddlv s1, v1.8h cmp w4, #8 add v0.2s, v0.2s, v1.2s ushl v0.2s, v0.2s, v17.2s b.eq 1f // h = 4/16/32 cmp w4, #32 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v0.2s, v0.2s, v16.2s ushr v0.2s, v0.2s, #17 1: dup v0.8h, v0.h[0] 2: st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h}, [x0], x1 st1 {v0.8h}, [x6], x1 b.gt 2b ret L(ipred_dc_h16): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h}, [x2], #32 addp v0.8h, v0.8h, v1.8h add x2, x2, #2 uaddlv s0, v0.8h br x3 L(ipred_dc_w16): AARCH64_VALID_JUMP_TARGET ld1 {v1.8h, v2.8h}, [x2] add v0.2s, v0.2s, v16.2s addp v1.8h, v1.8h, v2.8h uaddlv s1, v1.8h cmp w4, #16 add v0.2s, v0.2s, v1.2s ushl v4.2s, v0.2s, v17.2s b.eq 1f // h = 4/8/32/64 tst w4, #(32+16+8) // 16 added to make a consecutive bitmask mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v4.2s, v4.2s, v16.2s ushr v4.2s, v4.2s, #17 1: dup v0.8h, v4.h[0] dup v1.8h, v4.h[0] 2: st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], x1 st1 {v0.8h, v1.8h}, [x6], x1 b.gt 2b ret L(ipred_dc_h32): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], #64 addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h addp v0.8h, v0.8h, v2.8h add x2, x2, #2 uaddlv s0, v0.8h br x3 L(ipred_dc_w32): AARCH64_VALID_JUMP_TARGET ld1 {v1.8h, v2.8h, v3.8h, v4.8h}, [x2] add v0.2s, v0.2s, v16.2s addp v1.8h, v1.8h, v2.8h addp v3.8h, v3.8h, v4.8h addp v1.8h, v1.8h, v3.8h uaddlv s1, v1.8h cmp w4, #32 add v0.2s, v0.2s, v1.2s ushl v4.2s, v0.2s, v17.2s b.eq 1f // h = 8/16/64 cmp w4, #8 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v4.2s, v4.2s, v16.2s ushr v4.2s, v4.2s, #17 1: dup v0.8h, v4.h[0] dup v1.8h, v4.h[0] dup v2.8h, v4.h[0] dup v3.8h, v4.h[0] 2: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 2b ret L(ipred_dc_h64): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], #64 addp v0.8h, v0.8h, v1.8h ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2], #64 addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h addp v0.8h, v0.8h, v2.8h addp v4.8h, v4.8h, v6.8h addp v0.8h, v0.8h, v4.8h add x2, x2, #2 uaddlv s0, v0.8h br x3 L(ipred_dc_w64): AARCH64_VALID_JUMP_TARGET ld1 {v1.8h, v2.8h, v3.8h, v4.8h}, [x2], #64 add v0.2s, v0.2s, v16.2s addp v1.8h, v1.8h, v2.8h ld1 {v20.8h, v21.8h, v22.8h, v23.8h}, [x2] addp v3.8h, v3.8h, v4.8h addp v20.8h, v20.8h, v21.8h addp v22.8h, v22.8h, v23.8h addp v1.8h, v1.8h, v3.8h addp v20.8h, v20.8h, v22.8h addp v1.8h, v1.8h, v20.8h uaddlv s1, v1.8h cmp w4, #64 add v0.2s, v0.2s, v1.2s ushl v4.2s, v0.2s, v17.2s b.eq 1f // h = 16/32 cmp w4, #16 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v4.2s, v4.2s, v16.2s ushr v4.2s, v4.2s, #17 1: sub x1, x1, #64 dup v0.8h, v4.h[0] dup v1.8h, v4.h[0] dup v2.8h, v4.h[0] dup v3.8h, v4.h[0] 2: st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], #64 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x6], x1 b.gt 2b ret endfunc jumptable ipred_dc_tbl .word L(ipred_dc_h64) - ipred_dc_tbl .word L(ipred_dc_h32) - ipred_dc_tbl .word L(ipred_dc_h16) - ipred_dc_tbl .word L(ipred_dc_h8) - ipred_dc_tbl .word L(ipred_dc_h4) - ipred_dc_tbl .word L(ipred_dc_w64) - ipred_dc_tbl .word L(ipred_dc_w32) - ipred_dc_tbl .word L(ipred_dc_w16) - ipred_dc_tbl .word L(ipred_dc_w8) - ipred_dc_tbl .word L(ipred_dc_w4) - ipred_dc_tbl endjumptable // void ipred_paeth_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_paeth_16bpc_neon, export=1 clz w9, w3 movrel x5, ipred_paeth_tbl sub w9, w9, #25 ldrsw x9, [x5, w9, uxtw #2] ld1r {v4.8h}, [x2] add x8, x2, #2 sub x2, x2, #8 add x5, x5, x9 mov x7, #-8 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET ld1r {v5.2d}, [x8] sub v6.8h, v5.8h, v4.8h // top - topleft 4: ld4r {v0.4h, v1.4h, v2.4h, v3.4h}, [x2], x7 zip1 v0.2d, v0.2d, v1.2d zip1 v2.2d, v2.2d, v3.2d add v16.8h, v6.8h, v0.8h // base add v17.8h, v6.8h, v2.8h sabd v20.8h, v5.8h, v16.8h // tdiff sabd v21.8h, v5.8h, v17.8h sabd v22.8h, v4.8h, v16.8h // tldiff sabd v23.8h, v4.8h, v17.8h sabd v16.8h, v0.8h, v16.8h // ldiff sabd v17.8h, v2.8h, v17.8h umin v18.8h, v20.8h, v22.8h // min(tdiff, tldiff) umin v19.8h, v21.8h, v23.8h cmge v20.8h, v22.8h, v20.8h // tldiff >= tdiff cmge v21.8h, v23.8h, v21.8h cmge v16.8h, v18.8h, v16.8h // min(tdiff, tldiff) >= ldiff cmge v17.8h, v19.8h, v17.8h bsl v21.16b, v5.16b, v4.16b // tdiff <= tldiff ? top : topleft bsl v20.16b, v5.16b, v4.16b bit v21.16b, v2.16b, v17.16b // ldiff <= min ? left : ... bit v20.16b, v0.16b, v16.16b st1 {v21.d}[1], [x0], x1 st1 {v21.d}[0], [x6], x1 subs w4, w4, #4 st1 {v20.d}[1], [x0], x1 st1 {v20.d}[0], [x6], x1 b.gt 4b ret 80: 160: 320: 640: AARCH64_VALID_JUMP_TARGET ld1 {v5.8h}, [x8], #16 mov w9, w3 // Set up pointers for four rows in parallel; x0, x6, x5, x10 add x5, x0, x1 add x10, x6, x1 lsl x1, x1, #1 sub x1, x1, w3, uxtw #1 1: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 2: sub v6.8h, v5.8h, v4.8h // top - topleft add v16.8h, v6.8h, v0.8h // base add v17.8h, v6.8h, v1.8h add v18.8h, v6.8h, v2.8h add v19.8h, v6.8h, v3.8h sabd v20.8h, v5.8h, v16.8h // tdiff sabd v21.8h, v5.8h, v17.8h sabd v22.8h, v5.8h, v18.8h sabd v23.8h, v5.8h, v19.8h sabd v24.8h, v4.8h, v16.8h // tldiff sabd v25.8h, v4.8h, v17.8h sabd v26.8h, v4.8h, v18.8h sabd v27.8h, v4.8h, v19.8h sabd v16.8h, v0.8h, v16.8h // ldiff sabd v17.8h, v1.8h, v17.8h sabd v18.8h, v2.8h, v18.8h sabd v19.8h, v3.8h, v19.8h umin v28.8h, v20.8h, v24.8h // min(tdiff, tldiff) umin v29.8h, v21.8h, v25.8h umin v30.8h, v22.8h, v26.8h umin v31.8h, v23.8h, v27.8h cmge v20.8h, v24.8h, v20.8h // tldiff >= tdiff cmge v21.8h, v25.8h, v21.8h cmge v22.8h, v26.8h, v22.8h cmge v23.8h, v27.8h, v23.8h cmge v16.8h, v28.8h, v16.8h // min(tdiff, tldiff) >= ldiff cmge v17.8h, v29.8h, v17.8h cmge v18.8h, v30.8h, v18.8h cmge v19.8h, v31.8h, v19.8h bsl v23.16b, v5.16b, v4.16b // tdiff <= tldiff ? top : topleft bsl v22.16b, v5.16b, v4.16b bsl v21.16b, v5.16b, v4.16b bsl v20.16b, v5.16b, v4.16b bit v23.16b, v3.16b, v19.16b // ldiff <= min ? left : ... bit v22.16b, v2.16b, v18.16b bit v21.16b, v1.16b, v17.16b bit v20.16b, v0.16b, v16.16b st1 {v23.8h}, [x0], #16 st1 {v22.8h}, [x6], #16 subs w3, w3, #8 st1 {v21.8h}, [x5], #16 st1 {v20.8h}, [x10], #16 b.le 8f ld1 {v5.8h}, [x8], #16 b 2b 8: subs w4, w4, #4 b.le 9f // End of horizontal loop, move pointers to next four rows sub x8, x8, w9, uxtw #1 add x0, x0, x1 add x6, x6, x1 // Load the top row as early as possible ld1 {v5.8h}, [x8], #16 add x5, x5, x1 add x10, x10, x1 mov w3, w9 b 1b 9: ret endfunc jumptable ipred_paeth_tbl .word 640b - ipred_paeth_tbl .word 320b - ipred_paeth_tbl .word 160b - ipred_paeth_tbl .word 80b - ipred_paeth_tbl .word 40b - ipred_paeth_tbl endjumptable // void ipred_smooth_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_smooth_16bpc_neon, export=1 movrel x10, X(sm_weights) add x11, x10, w4, uxtw add x10, x10, w3, uxtw clz w9, w3 movrel x5, ipred_smooth_tbl sub x12, x2, w4, uxtw #1 sub w9, w9, #25 ldrsw x9, [x5, w9, uxtw #2] ld1r {v4.8h}, [x12] // bottom add x8, x2, #2 add x5, x5, x9 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET ld1r {v6.2d}, [x8] // top ld1r {v7.2s}, [x10] // weights_hor sub x2, x2, #8 mov x7, #-8 dup v5.8h, v6.h[3] // right sub v6.8h, v6.8h, v4.8h // top-bottom uxtl v7.8h, v7.8b // weights_hor add v31.4h, v4.4h, v5.4h // bottom+right 4: ld4r {v0.4h, v1.4h, v2.4h, v3.4h}, [x2], x7 // left ld4r {v16.8b, v17.8b, v18.8b, v19.8b}, [x11], #4 // weights_ver ushll v20.4s, v31.4h, #8 // (bottom+right)*256 ushll v21.4s, v31.4h, #8 ushll v22.4s, v31.4h, #8 ushll v23.4s, v31.4h, #8 zip1 v1.2d, v1.2d, v0.2d // left, flipped zip1 v0.2d, v3.2d, v2.2d zip1 v16.2s, v16.2s, v17.2s // weights_ver zip1 v18.2s, v18.2s, v19.2s sub v0.8h, v0.8h, v5.8h // left-right sub v1.8h, v1.8h, v5.8h uxtl v16.8h, v16.8b // weights_ver uxtl v18.8h, v18.8b smlal v20.4s, v0.4h, v7.4h // += (left-right)*weights_hor smlal2 v21.4s, v0.8h, v7.8h smlal v22.4s, v1.4h, v7.4h smlal2 v23.4s, v1.8h, v7.8h smlal v20.4s, v6.4h, v16.4h // += (top-bottom)*weights_ver smlal2 v21.4s, v6.8h, v16.8h smlal v22.4s, v6.4h, v18.4h smlal2 v23.4s, v6.8h, v18.8h rshrn v20.4h, v20.4s, #9 rshrn v21.4h, v21.4s, #9 rshrn v22.4h, v22.4s, #9 rshrn v23.4h, v23.4s, #9 st1 {v20.4h}, [x0], x1 st1 {v21.4h}, [x6], x1 subs w4, w4, #4 st1 {v22.4h}, [x0], x1 st1 {v23.4h}, [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET ld1 {v6.8h}, [x8] // top ld1 {v7.8b}, [x10] // weights_hor sub x2, x2, #8 mov x7, #-8 dup v5.8h, v6.h[7] // right sub v6.8h, v6.8h, v4.8h // top-bottom uxtl v7.8h, v7.8b // weights_hor add v31.4h, v4.4h, v5.4h // bottom+right 8: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 // left ld4r {v16.8b, v17.8b, v18.8b, v19.8b}, [x11], #4 // weights_ver ushll v20.4s, v31.4h, #8 // (bottom+right)*256 ushll v21.4s, v31.4h, #8 ushll v22.4s, v31.4h, #8 ushll v23.4s, v31.4h, #8 ushll v24.4s, v31.4h, #8 ushll v25.4s, v31.4h, #8 ushll v26.4s, v31.4h, #8 ushll v27.4s, v31.4h, #8 sub v0.8h, v0.8h, v5.8h // left-right sub v1.8h, v1.8h, v5.8h sub v2.8h, v2.8h, v5.8h sub v3.8h, v3.8h, v5.8h uxtl v16.8h, v16.8b // weights_ver uxtl v17.8h, v17.8b uxtl v18.8h, v18.8b uxtl v19.8h, v19.8b smlal v20.4s, v3.4h, v7.4h // += (left-right)*weights_hor smlal2 v21.4s, v3.8h, v7.8h // (left flipped) smlal v22.4s, v2.4h, v7.4h smlal2 v23.4s, v2.8h, v7.8h smlal v24.4s, v1.4h, v7.4h smlal2 v25.4s, v1.8h, v7.8h smlal v26.4s, v0.4h, v7.4h smlal2 v27.4s, v0.8h, v7.8h smlal v20.4s, v6.4h, v16.4h // += (top-bottom)*weights_ver smlal2 v21.4s, v6.8h, v16.8h smlal v22.4s, v6.4h, v17.4h smlal2 v23.4s, v6.8h, v17.8h smlal v24.4s, v6.4h, v18.4h smlal2 v25.4s, v6.8h, v18.8h smlal v26.4s, v6.4h, v19.4h smlal2 v27.4s, v6.8h, v19.8h rshrn v20.4h, v20.4s, #9 rshrn2 v20.8h, v21.4s, #9 rshrn v21.4h, v22.4s, #9 rshrn2 v21.8h, v23.4s, #9 rshrn v22.4h, v24.4s, #9 rshrn2 v22.8h, v25.4s, #9 rshrn v23.4h, v26.4s, #9 rshrn2 v23.8h, v27.4s, #9 st1 {v20.8h}, [x0], x1 st1 {v21.8h}, [x6], x1 subs w4, w4, #4 st1 {v22.8h}, [x0], x1 st1 {v23.8h}, [x6], x1 b.gt 8b ret 160: 320: 640: AARCH64_VALID_JUMP_TARGET add x12, x2, w3, uxtw #1 sub x1, x1, w3, uxtw #1 ld1r {v5.8h}, [x12] // right sub x2, x2, #4 mov x7, #-4 mov w9, w3 add v31.4h, v4.4h, v5.4h // bottom+right 1: ld2r {v0.8h, v1.8h}, [x2], x7 // left ld2r {v16.8b, v17.8b}, [x11], #2 // weights_ver sub v0.8h, v0.8h, v5.8h // left-right sub v1.8h, v1.8h, v5.8h uxtl v16.8h, v16.8b // weights_ver uxtl v17.8h, v17.8b 2: ld1 {v7.16b}, [x10], #16 // weights_hor ld1 {v2.8h, v3.8h}, [x8], #32 // top ushll v20.4s, v31.4h, #8 // (bottom+right)*256 ushll v21.4s, v31.4h, #8 ushll v22.4s, v31.4h, #8 ushll v23.4s, v31.4h, #8 ushll v24.4s, v31.4h, #8 ushll v25.4s, v31.4h, #8 ushll v26.4s, v31.4h, #8 ushll v27.4s, v31.4h, #8 uxtl v6.8h, v7.8b // weights_hor uxtl2 v7.8h, v7.16b sub v2.8h, v2.8h, v4.8h // top-bottom sub v3.8h, v3.8h, v4.8h smlal v20.4s, v1.4h, v6.4h // += (left-right)*weights_hor smlal2 v21.4s, v1.8h, v6.8h // (left flipped) smlal v22.4s, v1.4h, v7.4h smlal2 v23.4s, v1.8h, v7.8h smlal v24.4s, v0.4h, v6.4h smlal2 v25.4s, v0.8h, v6.8h smlal v26.4s, v0.4h, v7.4h smlal2 v27.4s, v0.8h, v7.8h smlal v20.4s, v2.4h, v16.4h // += (top-bottom)*weights_ver smlal2 v21.4s, v2.8h, v16.8h smlal v22.4s, v3.4h, v16.4h smlal2 v23.4s, v3.8h, v16.8h smlal v24.4s, v2.4h, v17.4h smlal2 v25.4s, v2.8h, v17.8h smlal v26.4s, v3.4h, v17.4h smlal2 v27.4s, v3.8h, v17.8h rshrn v20.4h, v20.4s, #9 rshrn2 v20.8h, v21.4s, #9 rshrn v21.4h, v22.4s, #9 rshrn2 v21.8h, v23.4s, #9 rshrn v22.4h, v24.4s, #9 rshrn2 v22.8h, v25.4s, #9 rshrn v23.4h, v26.4s, #9 rshrn2 v23.8h, v27.4s, #9 subs w3, w3, #16 st1 {v20.8h, v21.8h}, [x0], #32 st1 {v22.8h, v23.8h}, [x6], #32 b.gt 2b subs w4, w4, #2 b.le 9f sub x8, x8, w9, uxtw #1 sub x10, x10, w9, uxtw add x0, x0, x1 add x6, x6, x1 mov w3, w9 b 1b 9: ret endfunc jumptable ipred_smooth_tbl .word 640b - ipred_smooth_tbl .word 320b - ipred_smooth_tbl .word 160b - ipred_smooth_tbl .word 80b - ipred_smooth_tbl .word 40b - ipred_smooth_tbl endjumptable // void ipred_smooth_v_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_smooth_v_16bpc_neon, export=1 movrel x7, X(sm_weights) add x7, x7, w4, uxtw clz w9, w3 movrel x5, ipred_smooth_v_tbl sub x8, x2, w4, uxtw #1 sub w9, w9, #25 ldrsw x9, [x5, w9, uxtw #2] ld1r {v4.8h}, [x8] // bottom add x2, x2, #2 add x5, x5, x9 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET ld1r {v6.2d}, [x2] // top sub v6.8h, v6.8h, v4.8h // top-bottom 4: ld4r {v16.8b, v17.8b, v18.8b, v19.8b}, [x7], #4 // weights_ver zip1 v16.2s, v16.2s, v17.2s // weights_ver zip1 v18.2s, v18.2s, v19.2s ushll v16.8h, v16.8b, #7 // weights_ver << 7 ushll v18.8h, v18.8b, #7 sqrdmulh v20.8h, v6.8h, v16.8h // ((top-bottom)*weights_ver + 128) >> 8 sqrdmulh v21.8h, v6.8h, v18.8h add v20.8h, v20.8h, v4.8h add v21.8h, v21.8h, v4.8h st1 {v20.d}[0], [x0], x1 st1 {v20.d}[1], [x6], x1 subs w4, w4, #4 st1 {v21.d}[0], [x0], x1 st1 {v21.d}[1], [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET ld1 {v6.8h}, [x2] // top sub v6.8h, v6.8h, v4.8h // top-bottom 8: ld4r {v16.8b, v17.8b, v18.8b, v19.8b}, [x7], #4 // weights_ver ushll v16.8h, v16.8b, #7 // weights_ver << 7 ushll v17.8h, v17.8b, #7 ushll v18.8h, v18.8b, #7 ushll v19.8h, v19.8b, #7 sqrdmulh v20.8h, v6.8h, v16.8h // ((top-bottom)*weights_ver + 128) >> 8 sqrdmulh v21.8h, v6.8h, v17.8h sqrdmulh v22.8h, v6.8h, v18.8h sqrdmulh v23.8h, v6.8h, v19.8h add v20.8h, v20.8h, v4.8h add v21.8h, v21.8h, v4.8h add v22.8h, v22.8h, v4.8h add v23.8h, v23.8h, v4.8h st1 {v20.8h}, [x0], x1 st1 {v21.8h}, [x6], x1 subs w4, w4, #4 st1 {v22.8h}, [x0], x1 st1 {v23.8h}, [x6], x1 b.gt 8b ret 160: 320: 640: AARCH64_VALID_JUMP_TARGET // Set up pointers for four rows in parallel; x0, x6, x5, x8 add x5, x0, x1 add x8, x6, x1 lsl x1, x1, #1 sub x1, x1, w3, uxtw #1 mov w9, w3 1: ld4r {v16.8b, v17.8b, v18.8b, v19.8b}, [x7], #4 // weights_ver ushll v16.8h, v16.8b, #7 // weights_ver << 7 ushll v17.8h, v17.8b, #7 ushll v18.8h, v18.8b, #7 ushll v19.8h, v19.8b, #7 2: ld1 {v2.8h, v3.8h}, [x2], #32 // top sub v2.8h, v2.8h, v4.8h // top-bottom sub v3.8h, v3.8h, v4.8h sqrdmulh v20.8h, v2.8h, v16.8h // ((top-bottom)*weights_ver + 128) >> 8 sqrdmulh v21.8h, v3.8h, v16.8h sqrdmulh v22.8h, v2.8h, v17.8h sqrdmulh v23.8h, v3.8h, v17.8h sqrdmulh v24.8h, v2.8h, v18.8h sqrdmulh v25.8h, v3.8h, v18.8h sqrdmulh v26.8h, v2.8h, v19.8h sqrdmulh v27.8h, v3.8h, v19.8h add v20.8h, v20.8h, v4.8h add v21.8h, v21.8h, v4.8h add v22.8h, v22.8h, v4.8h add v23.8h, v23.8h, v4.8h add v24.8h, v24.8h, v4.8h add v25.8h, v25.8h, v4.8h add v26.8h, v26.8h, v4.8h add v27.8h, v27.8h, v4.8h subs w3, w3, #16 st1 {v20.8h, v21.8h}, [x0], #32 st1 {v22.8h, v23.8h}, [x6], #32 st1 {v24.8h, v25.8h}, [x5], #32 st1 {v26.8h, v27.8h}, [x8], #32 b.gt 2b subs w4, w4, #4 b.le 9f sub x2, x2, w9, uxtw #1 add x0, x0, x1 add x6, x6, x1 add x5, x5, x1 add x8, x8, x1 mov w3, w9 b 1b 9: ret endfunc jumptable ipred_smooth_v_tbl .word 640b - ipred_smooth_v_tbl .word 320b - ipred_smooth_v_tbl .word 160b - ipred_smooth_v_tbl .word 80b - ipred_smooth_v_tbl .word 40b - ipred_smooth_v_tbl endjumptable // void ipred_smooth_h_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int a, // const int max_width, const int max_height); function ipred_smooth_h_16bpc_neon, export=1 movrel x8, X(sm_weights) add x8, x8, w3, uxtw clz w9, w3 movrel x5, ipred_smooth_h_tbl add x12, x2, w3, uxtw #1 sub w9, w9, #25 ldrsw x9, [x5, w9, uxtw #2] ld1r {v5.8h}, [x12] // right add x5, x5, x9 add x6, x0, x1 lsl x1, x1, #1 br x5 40: AARCH64_VALID_JUMP_TARGET ld1r {v7.2s}, [x8] // weights_hor sub x2, x2, #8 mov x7, #-8 ushll v7.8h, v7.8b, #7 // weights_hor << 7 4: ld4r {v0.4h, v1.4h, v2.4h, v3.4h}, [x2], x7 // left zip1 v1.2d, v1.2d, v0.2d // left, flipped zip1 v0.2d, v3.2d, v2.2d sub v0.8h, v0.8h, v5.8h // left-right sub v1.8h, v1.8h, v5.8h sqrdmulh v20.8h, v0.8h, v7.8h // ((left-right)*weights_hor + 128) >> 8 sqrdmulh v21.8h, v1.8h, v7.8h add v20.8h, v20.8h, v5.8h add v21.8h, v21.8h, v5.8h st1 {v20.d}[0], [x0], x1 st1 {v20.d}[1], [x6], x1 subs w4, w4, #4 st1 {v21.d}[0], [x0], x1 st1 {v21.d}[1], [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET ld1 {v7.8b}, [x8] // weights_hor sub x2, x2, #8 mov x7, #-8 ushll v7.8h, v7.8b, #7 // weights_hor << 7 8: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 // left sub v3.8h, v3.8h, v5.8h // left-right sub v2.8h, v2.8h, v5.8h sub v1.8h, v1.8h, v5.8h sub v0.8h, v0.8h, v5.8h sqrdmulh v20.8h, v3.8h, v7.8h // ((left-right)*weights_hor + 128) >> 8 sqrdmulh v21.8h, v2.8h, v7.8h // (left flipped) sqrdmulh v22.8h, v1.8h, v7.8h sqrdmulh v23.8h, v0.8h, v7.8h add v20.8h, v20.8h, v5.8h add v21.8h, v21.8h, v5.8h add v22.8h, v22.8h, v5.8h add v23.8h, v23.8h, v5.8h st1 {v20.8h}, [x0], x1 st1 {v21.8h}, [x6], x1 subs w4, w4, #4 st1 {v22.8h}, [x0], x1 st1 {v23.8h}, [x6], x1 b.gt 8b ret 160: 320: 640: AARCH64_VALID_JUMP_TARGET sub x2, x2, #8 mov x7, #-8 // Set up pointers for four rows in parallel; x0, x6, x5, x10 add x5, x0, x1 add x10, x6, x1 lsl x1, x1, #1 sub x1, x1, w3, uxtw #1 mov w9, w3 1: ld4r {v0.8h, v1.8h, v2.8h, v3.8h}, [x2], x7 // left sub v0.8h, v0.8h, v5.8h // left-right sub v1.8h, v1.8h, v5.8h sub v2.8h, v2.8h, v5.8h sub v3.8h, v3.8h, v5.8h 2: ld1 {v7.16b}, [x8], #16 // weights_hor ushll v6.8h, v7.8b, #7 // weights_hor << 7 ushll2 v7.8h, v7.16b, #7 sqrdmulh v20.8h, v3.8h, v6.8h // ((left-right)*weights_hor + 128) >> 8 sqrdmulh v21.8h, v3.8h, v7.8h // (left flipped) sqrdmulh v22.8h, v2.8h, v6.8h sqrdmulh v23.8h, v2.8h, v7.8h sqrdmulh v24.8h, v1.8h, v6.8h sqrdmulh v25.8h, v1.8h, v7.8h sqrdmulh v26.8h, v0.8h, v6.8h sqrdmulh v27.8h, v0.8h, v7.8h add v20.8h, v20.8h, v5.8h add v21.8h, v21.8h, v5.8h add v22.8h, v22.8h, v5.8h add v23.8h, v23.8h, v5.8h add v24.8h, v24.8h, v5.8h add v25.8h, v25.8h, v5.8h add v26.8h, v26.8h, v5.8h add v27.8h, v27.8h, v5.8h subs w3, w3, #16 st1 {v20.8h, v21.8h}, [x0], #32 st1 {v22.8h, v23.8h}, [x6], #32 st1 {v24.8h, v25.8h}, [x5], #32 st1 {v26.8h, v27.8h}, [x10], #32 b.gt 2b subs w4, w4, #4 b.le 9f sub x8, x8, w9, uxtw add x0, x0, x1 add x6, x6, x1 add x5, x5, x1 add x10, x10, x1 mov w3, w9 b 1b 9: ret endfunc jumptable ipred_smooth_h_tbl .word 640b - ipred_smooth_h_tbl .word 320b - ipred_smooth_h_tbl .word 160b - ipred_smooth_h_tbl .word 80b - ipred_smooth_h_tbl .word 40b - ipred_smooth_h_tbl endjumptable const padding_mask_buf .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 .byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 padding_mask: .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff endconst // void ipred_z1_upsample_edge_16bpc_neon(pixel *out, const int hsz, // const pixel *const in, const int end, // const int bitdepth_max); function ipred_z1_upsample_edge_16bpc_neon, export=1 dup v30.8h, w4 // bitdepth_max movrel x4, padding_mask ld1 {v0.8h, v1.8h}, [x2] // in[] add x5, x2, w3, uxtw #1 // in[end] sub x4, x4, w3, uxtw #1 ld1r {v2.8h}, [x5] // padding ld1 {v3.8h, v4.8h}, [x4] // padding_mask movi v31.8h, #9 bit v0.16b, v2.16b, v3.16b // padded in[] bit v1.16b, v2.16b, v4.16b ext v4.16b, v0.16b, v1.16b, #2 ext v5.16b, v1.16b, v2.16b, #2 ext v6.16b, v0.16b, v1.16b, #4 ext v7.16b, v1.16b, v2.16b, #4 ext v16.16b, v0.16b, v1.16b, #6 ext v17.16b, v1.16b, v2.16b, #6 add v18.8h, v4.8h, v6.8h // in[i+1] + in[i+2] add v19.8h, v5.8h, v7.8h add v20.8h, v0.8h, v16.8h add v21.8h, v1.8h, v17.8h umull v22.4s, v18.4h, v31.4h // 9*(in[i+1] + in[i+2]) umull2 v23.4s, v18.8h, v31.8h umull v24.4s, v19.4h, v31.4h umull2 v25.4s, v19.8h, v31.8h usubw v22.4s, v22.4s, v20.4h usubw2 v23.4s, v23.4s, v20.8h usubw v24.4s, v24.4s, v21.4h usubw2 v25.4s, v25.4s, v21.8h sqrshrun v16.4h, v22.4s, #4 sqrshrun2 v16.8h, v23.4s, #4 sqrshrun v17.4h, v24.4s, #4 sqrshrun2 v17.8h, v25.4s, #4 smin v16.8h, v16.8h, v30.8h smin v17.8h, v17.8h, v30.8h zip1 v0.8h, v4.8h, v16.8h zip2 v1.8h, v4.8h, v16.8h zip1 v2.8h, v5.8h, v17.8h zip2 v3.8h, v5.8h, v17.8h st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0] ret endfunc // void ipred_z2_upsample_edge_16bpc_neon(pixel *out, const int sz, // const pixel *const in, // const int bitdepth_max); function ipred_z2_upsample_edge_16bpc_neon, export=1 dup v30.8h, w3 // bitdepth_max // Here, sz is 4 or 8, and we produce 2*sz+1 output elements. movrel x4, padding_mask ld1 {v0.8h, v1.8h}, [x2] // in[] add x5, x2, w1, uxtw #1 // in[sz] sub x4, x4, w1, uxtw #1 ld1r {v3.8h}, [x2] // in[0] for padding ld1r {v2.8h}, [x5] // padding ld1 {v4.8h, v5.8h}, [x4] // padding_mask movi v31.8h, #9 bit v0.16b, v2.16b, v4.16b // padded in[] bit v1.16b, v2.16b, v5.16b ext v4.16b, v3.16b, v0.16b, #14 ext v5.16b, v0.16b, v1.16b, #2 ext v6.16b, v0.16b, v1.16b, #4 add v16.8h, v0.8h, v5.8h // in[i+0] + in[i+1] add v17.8h, v4.8h, v6.8h // in[i-1] + in[i+2] umull v18.4s, v16.4h, v31.4h // 9*(in[i+1] + in[i+2]) umull2 v19.4s, v16.8h, v31.8h usubw v18.4s, v18.4s, v17.4h usubw2 v19.4s, v19.4s, v17.8h sqrshrun v16.4h, v18.4s, #4 sqrshrun2 v16.8h, v19.4s, #4 add x5, x0, #2*16 smin v16.8h, v16.8h, v30.8h zip1 v4.8h, v0.8h, v16.8h zip2 v5.8h, v0.8h, v16.8h st1 {v2.h}[0], [x5] // In case sz=8, output one single pixel in out[16]. st1 {v4.8h, v5.8h}, [x0] ret endfunc const edge_filter .short 0, 4, 8, 0 .short 0, 5, 6, 0 // Leaving out the coeffs for strength=3 // .byte 2, 4, 4, 0 endconst // void ipred_z1_filter_edge_16bpc_neon(pixel *out, const int sz, // const pixel *const in, const int end, // const int strength); function ipred_z1_filter_edge_16bpc_neon, export=1 cmp w4, #3 b.eq L(fivetap) // if (strength == 3) goto fivetap movrel x5, edge_filter, -6 add x5, x5, w4, uxtw #3 // edge_filter + 2*((strength - 1)*4 + 1) ld1 {v31.s}[0], [x5] // kernel[1-2] ld1 {v0.8h}, [x2], #16 dup v30.8h, v31.h[0] dup v31.8h, v31.h[1] 1: // in[end], is the last valid pixel. We produce 16 pixels out by // using 18 pixels in - the last pixel used is [17] of the ones // read/buffered. cmp w3, #17 ld1 {v1.8h, v2.8h}, [x2], #32 b.lt 2f ext v3.16b, v0.16b, v1.16b, #2 ext v4.16b, v1.16b, v2.16b, #2 ext v5.16b, v0.16b, v1.16b, #4 ext v6.16b, v1.16b, v2.16b, #4 mul v16.8h, v0.8h, v30.8h mla v16.8h, v3.8h, v31.8h mla v16.8h, v5.8h, v30.8h mul v17.8h, v1.8h, v30.8h mla v17.8h, v4.8h, v31.8h mla v17.8h, v6.8h, v30.8h subs w1, w1, #16 mov v0.16b, v2.16b urshr v16.8h, v16.8h, #4 urshr v17.8h, v17.8h, #4 sub w3, w3, #16 st1 {v16.8h, v17.8h}, [x0], #32 b.gt 1b ret 2: // Right padding // x2[w3-24] is the padding pixel (x2 points 24 pixels ahead) movrel x5, padding_mask sub w6, w3, #24 sub x5, x5, w3, uxtw #1 add x6, x2, w6, sxtw #1 ld1 {v3.8h, v4.8h}, [x5] // padding_mask ld1r {v2.8h}, [x6] bit v0.16b, v2.16b, v3.16b // Pad v0-v1 bit v1.16b, v2.16b, v4.16b // Filter one block ext v3.16b, v0.16b, v1.16b, #2 ext v4.16b, v1.16b, v2.16b, #2 ext v5.16b, v0.16b, v1.16b, #4 ext v6.16b, v1.16b, v2.16b, #4 mul v16.8h, v0.8h, v30.8h mla v16.8h, v3.8h, v31.8h mla v16.8h, v5.8h, v30.8h mul v17.8h, v1.8h, v30.8h mla v17.8h, v4.8h, v31.8h mla v17.8h, v6.8h, v30.8h subs w1, w1, #16 urshr v16.8h, v16.8h, #4 urshr v17.8h, v17.8h, #4 st1 {v16.8h, v17.8h}, [x0], #32 b.le 9f 5: // After one block, any remaining output would only be filtering // padding - thus just store the padding. subs w1, w1, #16 st1 {v2.16b}, [x0], #16 b.gt 5b 9: ret L(fivetap): sub x2, x2, #2 // topleft -= 1 pixel movi v29.8h, #2 ld1 {v0.8h}, [x2], #16 movi v30.8h, #4 movi v31.8h, #4 ins v0.h[0], v0.h[1] 1: // in[end+1], is the last valid pixel. We produce 16 pixels out by // using 20 pixels in - the last pixel used is [19] of the ones // read/buffered. cmp w3, #18 ld1 {v1.8h, v2.8h}, [x2], #32 b.lt 2f // if (end + 1 < 19) ext v3.16b, v0.16b, v1.16b, #2 ext v4.16b, v1.16b, v2.16b, #2 ext v5.16b, v0.16b, v1.16b, #4 ext v6.16b, v1.16b, v2.16b, #4 ext v16.16b, v0.16b, v1.16b, #6 ext v17.16b, v1.16b, v2.16b, #6 ext v18.16b, v0.16b, v1.16b, #8 ext v19.16b, v1.16b, v2.16b, #8 mul v20.8h, v0.8h, v29.8h mla v20.8h, v3.8h, v30.8h mla v20.8h, v5.8h, v31.8h mla v20.8h, v16.8h, v30.8h mla v20.8h, v18.8h, v29.8h mul v21.8h, v1.8h, v29.8h mla v21.8h, v4.8h, v30.8h mla v21.8h, v6.8h, v31.8h mla v21.8h, v17.8h, v30.8h mla v21.8h, v19.8h, v29.8h subs w1, w1, #16 mov v0.16b, v2.16b urshr v20.8h, v20.8h, #4 urshr v21.8h, v21.8h, #4 sub w3, w3, #16 st1 {v20.8h, v21.8h}, [x0], #32 b.gt 1b ret 2: // Right padding // x2[w3+1-24] is the padding pixel (x2 points 24 pixels ahead) movrel x5, padding_mask, -2 sub w6, w3, #23 sub x5, x5, w3, uxtw #1 add x6, x2, w6, sxtw #1 ld1 {v3.8h, v4.8h, v5.8h}, [x5] // padding_mask ld1r {v28.8h}, [x6] bit v0.16b, v28.16b, v3.16b // Pad v0-v2 bit v1.16b, v28.16b, v4.16b bit v2.16b, v28.16b, v5.16b 4: // Filter one block ext v3.16b, v0.16b, v1.16b, #2 ext v4.16b, v1.16b, v2.16b, #2 ext v5.16b, v0.16b, v1.16b, #4 ext v6.16b, v1.16b, v2.16b, #4 ext v16.16b, v0.16b, v1.16b, #6 ext v17.16b, v1.16b, v2.16b, #6 ext v18.16b, v0.16b, v1.16b, #8 ext v19.16b, v1.16b, v2.16b, #8 mul v20.8h, v0.8h, v29.8h mla v20.8h, v3.8h, v30.8h mla v20.8h, v5.8h, v31.8h mla v20.8h, v16.8h, v30.8h mla v20.8h, v18.8h, v29.8h mul v21.8h, v1.8h, v29.8h mla v21.8h, v4.8h, v30.8h mla v21.8h, v6.8h, v31.8h mla v21.8h, v17.8h, v30.8h mla v21.8h, v19.8h, v29.8h subs w1, w1, #16 mov v0.16b, v2.16b mov v1.16b, v28.16b mov v2.16b, v28.16b urshr v20.8h, v20.8h, #4 urshr v21.8h, v21.8h, #4 sub w3, w3, #16 st1 {v20.8h, v21.8h}, [x0], #32 b.le 9f // v0-v1[w3+1] is the last valid pixel; if (w3 + 1 > 0) we need to // filter properly once more - aka (w3 >= 0). cmp w3, #0 b.ge 4b 5: // When w3 <= 0, all remaining pixels in v0-v1 are equal to the // last valid pixel - thus just output that without filtering. subs w1, w1, #8 st1 {v28.8h}, [x0], #16 b.gt 5b 9: ret endfunc // void ipred_pixel_set_16bpc_neon(pixel *out, const pixel px, // const int n); function ipred_pixel_set_16bpc_neon, export=1 dup v0.8h, w1 1: subs w2, w2, #8 st1 {v0.8h}, [x0], #16 b.gt 1b ret endfunc // void ipred_z1_fill1_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const top, // const int width, const int height, // const int dx, const int max_base_x); function ipred_z1_fill1_16bpc_neon, export=1 clz w9, w3 movrel x8, ipred_z1_fill1_tbl sub w9, w9, #25 ldrsw x9, [x8, w9, uxtw #2] add x10, x2, w6, uxtw #1 // top[max_base_x] add x8, x8, x9 ld1r {v31.8h}, [x10] // padding mov w7, w5 mov w15, #64 br x8 40: AARCH64_VALID_JUMP_TARGET 4: lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge 49f lsl w8, w8, #1 lsl w10, w10, #1 ldr q0, [x2, w8, uxtw] // top[base] ldr q2, [x2, w10, uxtw] dup v4.4h, w9 // frac dup v5.4h, w11 ext v1.16b, v0.16b, v0.16b, #2 // top[base+1] ext v3.16b, v2.16b, v2.16b, #2 sub v6.4h, v1.4h, v0.4h // top[base+1]-top[base] sub v7.4h, v3.4h, v2.4h ushll v16.4s, v0.4h, #6 // top[base]*64 ushll v17.4s, v2.4h, #6 smlal v16.4s, v6.4h, v4.4h // + top[base+1]*frac smlal v17.4s, v7.4h, v5.4h rshrn v16.4h, v16.4s, #6 rshrn v17.4h, v17.4s, #6 st1 {v16.4h}, [x0], x1 add w7, w7, w5 // xpos += dx subs w4, w4, #2 st1 {v17.4h}, [x0], x1 b.gt 4b ret 49: st1 {v31.4h}, [x0], x1 subs w4, w4, #2 st1 {v31.4h}, [x0], x1 b.gt 49b ret 80: AARCH64_VALID_JUMP_TARGET 8: lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge 89f add x8, x2, w8, uxtw #1 add x10, x2, w10, uxtw #1 dup v4.8h, w9 // frac dup v5.8h, w11 ld1 {v0.8h}, [x8] // top[base] ld1 {v2.8h}, [x10] sub w9, w15, w9 // 64 - frac sub w11, w15, w11 ldr h1, [x8, #16] ldr h3, [x10, #16] dup v6.8h, w9 // 64 - frac dup v7.8h, w11 ext v1.16b, v0.16b, v1.16b, #2 // top[base+1] ext v3.16b, v2.16b, v3.16b, #2 umull v16.4s, v0.4h, v6.4h // top[base]*(64-frac) umlal v16.4s, v1.4h, v4.4h // + top[base+1]*frac umull2 v17.4s, v0.8h, v6.8h umlal2 v17.4s, v1.8h, v4.8h umull v18.4s, v2.4h, v7.4h umlal v18.4s, v3.4h, v5.4h umull2 v19.4s, v2.8h, v7.8h umlal2 v19.4s, v3.8h, v5.8h rshrn v16.4h, v16.4s, #6 rshrn2 v16.8h, v17.4s, #6 rshrn v17.4h, v18.4s, #6 rshrn2 v17.8h, v19.4s, #6 st1 {v16.8h}, [x0], x1 add w7, w7, w5 // xpos += dx subs w4, w4, #2 st1 {v17.8h}, [x0], x1 b.gt 8b ret 89: st1 {v31.8h}, [x0], x1 subs w4, w4, #2 st1 {v31.8h}, [x0], x1 b.gt 89b ret 160: 320: 640: AARCH64_VALID_JUMP_TARGET mov w12, w3 add x13, x0, x1 lsl x1, x1, #1 sub x1, x1, w3, uxtw #1 1: lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge 169f add x8, x2, w8, uxtw #1 add x10, x2, w10, uxtw #1 dup v6.8h, w9 // frac dup v7.8h, w11 ld1 {v0.8h, v1.8h, v2.8h}, [x8], #48 // top[base] ld1 {v3.8h, v4.8h, v5.8h}, [x10], #48 sub w9, w15, w9 // 64 - frac sub w11, w15, w11 dup v16.8h, w9 // 64 - frac dup v17.8h, w11 add w7, w7, w5 // xpos += dx 2: ext v18.16b, v0.16b, v1.16b, #2 // top[base+1] ext v19.16b, v1.16b, v2.16b, #2 ext v20.16b, v3.16b, v4.16b, #2 ext v21.16b, v4.16b, v5.16b, #2 subs w3, w3, #16 umull v22.4s, v0.4h, v16.4h // top[base]*(64-frac) umlal v22.4s, v18.4h, v6.4h // + top[base+1]*frac umull2 v23.4s, v0.8h, v16.8h umlal2 v23.4s, v18.8h, v6.8h umull v24.4s, v1.4h, v16.4h umlal v24.4s, v19.4h, v6.4h umull2 v25.4s, v1.8h, v16.8h umlal2 v25.4s, v19.8h, v6.8h umull v26.4s, v3.4h, v17.4h umlal v26.4s, v20.4h, v7.4h umull2 v27.4s, v3.8h, v17.8h umlal2 v27.4s, v20.8h, v7.8h umull v28.4s, v4.4h, v17.4h umlal v28.4s, v21.4h, v7.4h umull2 v29.4s, v4.8h, v17.8h umlal2 v29.4s, v21.8h, v7.8h rshrn v22.4h, v22.4s, #6 rshrn2 v22.8h, v23.4s, #6 rshrn v23.4h, v24.4s, #6 rshrn2 v23.8h, v25.4s, #6 rshrn v24.4h, v26.4s, #6 rshrn2 v24.8h, v27.4s, #6 rshrn v25.4h, v28.4s, #6 rshrn2 v25.8h, v29.4s, #6 st1 {v22.8h, v23.8h}, [x0], #32 st1 {v24.8h, v25.8h}, [x13], #32 b.le 3f mov v0.16b, v2.16b ld1 {v1.8h, v2.8h}, [x8], #32 // top[base] mov v3.16b, v5.16b ld1 {v4.8h, v5.8h}, [x10], #32 b 2b 3: subs w4, w4, #2 b.le 9f add x0, x0, x1 add x13, x13, x1 mov w3, w12 b 1b 9: ret 169: st1 {v31.8h}, [x0], #16 subs w3, w3, #8 st1 {v31.8h}, [x13], #16 b.gt 169b subs w4, w4, #2 b.le 9b add x0, x0, x1 add x13, x13, x1 mov w3, w12 b 169b endfunc jumptable ipred_z1_fill1_tbl .word 640b - ipred_z1_fill1_tbl .word 320b - ipred_z1_fill1_tbl .word 160b - ipred_z1_fill1_tbl .word 80b - ipred_z1_fill1_tbl .word 40b - ipred_z1_fill1_tbl endjumptable function ipred_z1_fill2_16bpc_neon, export=1 cmp w3, #8 add x10, x2, w6, uxtw // top[max_base_x] ld1r {v31.16b}, [x10] // padding mov w7, w5 mov w15, #64 b.eq 8f 4: // w == 4 lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge 49f lsl w8, w8, #1 lsl w10, w10, #1 ldr q0, [x2, w8, uxtw] // top[base] ldr q2, [x2, w10, uxtw] dup v4.4h, w9 // frac dup v5.4h, w11 uzp2 v1.8h, v0.8h, v0.8h // top[base+1] uzp1 v0.8h, v0.8h, v0.8h // top[base] uzp2 v3.8h, v2.8h, v2.8h uzp1 v2.8h, v2.8h, v2.8h sub v6.4h, v1.4h, v0.4h // top[base+1]-top[base] sub v7.4h, v3.4h, v2.4h ushll v16.4s, v0.4h, #6 // top[base]*64 ushll v17.4s, v2.4h, #6 smlal v16.4s, v6.4h, v4.4h // + top[base+1]*frac smlal v17.4s, v7.4h, v5.4h rshrn v16.4h, v16.4s, #6 rshrn v17.4h, v17.4s, #6 st1 {v16.4h}, [x0], x1 add w7, w7, w5 // xpos += dx subs w4, w4, #2 st1 {v17.4h}, [x0], x1 b.gt 4b ret 49: st1 {v31.4h}, [x0], x1 subs w4, w4, #2 st1 {v31.4h}, [x0], x1 b.gt 49b ret 8: // w == 8 lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge 89f add x8, x2, w8, uxtw #1 add x10, x2, w10, uxtw #1 dup v4.8h, w9 // frac dup v5.8h, w11 ld1 {v0.8h, v1.8h}, [x8] // top[base] ld1 {v2.8h, v3.8h}, [x10] sub w9, w15, w9 // 64 - frac sub w11, w15, w11 dup v6.8h, w9 // 64 - frac dup v7.8h, w11 uzp2 v20.8h, v0.8h, v1.8h // top[base+1] uzp1 v0.8h, v0.8h, v1.8h // top[base] uzp2 v21.8h, v2.8h, v3.8h uzp1 v2.8h, v2.8h, v3.8h umull v16.4s, v0.4h, v6.4h // top[base]*(64-frac) umlal v16.4s, v20.4h, v4.4h // + top[base+1]*frac umull2 v17.4s, v0.8h, v6.8h umlal2 v17.4s, v20.8h, v4.8h umull v18.4s, v2.4h, v7.4h umlal v18.4s, v21.4h, v5.4h umull2 v19.4s, v2.8h, v7.8h umlal2 v19.4s, v21.8h, v5.8h rshrn v16.4h, v16.4s, #6 rshrn2 v16.8h, v17.4s, #6 rshrn v17.4h, v18.4s, #6 rshrn2 v17.8h, v19.4s, #6 st1 {v16.8h}, [x0], x1 add w7, w7, w5 // xpos += dx subs w4, w4, #2 st1 {v17.8h}, [x0], x1 b.gt 8b ret 89: st1 {v31.8h}, [x0], x1 subs w4, w4, #2 st1 {v31.8h}, [x0], x1 b.gt 89b ret endfunc // void ipred_reverse_16bpc_neon(pixel *dst, const pixel *const src, // const int n); function ipred_reverse_16bpc_neon, export=1 sub x1, x1, #16 add x3, x0, #8 mov x4, #16 1: ld1 {v0.8h}, [x1] subs w2, w2, #8 rev64 v0.8h, v0.8h sub x1, x1, #16 st1 {v0.d}[1], [x0], x4 st1 {v0.d}[0], [x3], x4 b.gt 1b ret endfunc const increments .short 0, 1, 2, 3, 4, 5, 6, 7 endconst // void ipred_z2_fill1_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const top, // const pixel *const left, // const int width, const int height, // const int dx, const int dy); function ipred_z2_fill1_16bpc_neon, export=1 clz w10, w4 movrel x9, ipred_z2_fill1_tbl sub w10, w10, #25 ldrsw x10, [x9, w10, uxtw #2] mov w8, #(1 << 6) // xpos = 1 << 6 add x9, x9, x10 sub w8, w8, w6 // xpos -= dx movrel x11, increments ld1 {v31.8h}, [x11] // increments neg w7, w7 // -dy br x9 40: AARCH64_VALID_JUMP_TARGET dup v30.4h, w7 // -dy movi v17.8b, #1 mul v16.4h, v31.4h, v30.4h // {0,1,2,3}* -dy movi v25.8h, #0x3e add v30.4h, v16.4h, v30.4h // -= dy // Worst case height for w=4 is 16, but we need at least h+1 elements ld1 {v0.8h, v1.8h, v2.8h}, [x3] // left[] movi v26.8h, #64 movi v19.16b, #4 shrn v29.8b, v30.8h, #6 // ypos >> 6 and v27.8b, v30.8b, v25.8b // frac_y add v29.8b, v29.8b, v17.8b // base_y = (ypos >> 6) + 1 movi v23.4h, #1, lsl #8 shl v29.8b, v29.8b, #1 // 2*base_y zip1 v29.8b, v29.8b, v29.8b // duplicate elements movi v17.8b, #2 add v29.8b, v29.8b, v23.8b // 2*base, 2*base+1, ... add v30.8b, v29.8b, v17.8b // base_y + 1 (*2) add v28.8b, v29.8b, v19.8b // base_y + 2 (*2) tbl v18.8b, {v0.16b}, v29.8b // left[base_y] trn1 v30.2d, v30.2d, v28.2d // base_y + 1, base_y + 2 sub v28.4h, v26.4h, v27.4h // 64 - frac_y trn1 v31.2d, v31.2d, v31.2d // {0,1,2,3,0,1,2,3} trn1 v27.2d, v27.2d, v27.2d // frac_y trn1 v28.2d, v28.2d, v28.2d // 64 - frac_y movi v29.16b, #4 4: asr w9, w8, #6 // base_x dup v16.4h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, #-4 // base_x <= -4 asr w11, w8, #6 // base_x b.le 49f lsl w9, w9, #1 lsl w11, w11, #1 dup v17.4h, w8 // xpos ldr q4, [x2, w9, sxtw] // top[base_x] ldr q6, [x2, w11, sxtw] trn1 v16.2d, v16.2d, v17.2d // xpos // Cut corners here; only doing tbl over v0-v1 here; we only // seem to need the last pixel, from v2, after skipping to the // left-only codepath below. tbl v19.16b, {v0.16b, v1.16b}, v30.16b // left[base_y+1], left[base_y+2] sshr v20.8h, v16.8h, #6 // first base_x for each row ext v5.16b, v4.16b, v4.16b, #2 // top[base_x+1] ext v7.16b, v6.16b, v6.16b, #2 and v16.16b, v16.16b, v25.16b // frac_x trn1 v18.2d, v18.2d, v19.2d // left[base_y], left[base_y+1] trn1 v4.2d, v4.2d, v6.2d // top[base_x] trn1 v5.2d, v5.2d, v7.2d // top[base_x+1] sub v17.8h, v26.8h, v16.8h // 64 - frac_x add v20.8h, v20.8h, v31.8h // actual base_x umull v21.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v21.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v22.4s, v18.8h, v28.8h umlal2 v22.4s, v19.8h, v27.8h umull v23.4s, v4.4h, v17.4h // top[base_x]-*(64-frac_x) umlal v23.4s, v5.4h, v16.4h // + top[base_x+1]*frac_x umull2 v24.4s, v4.8h, v17.8h umlal2 v24.4s, v5.8h, v16.8h cmge v20.8h, v20.8h, #0 rshrn v21.4h, v21.4s, #6 rshrn2 v21.8h, v22.4s, #6 rshrn v22.4h, v23.4s, #6 rshrn2 v22.8h, v24.4s, #6 bit v21.16b, v22.16b, v20.16b st1 {v21.d}[0], [x0], x1 sub w8, w8, w6 // xpos -= dx subs w5, w5, #2 st1 {v21.d}[1], [x0], x1 b.le 9f ext v18.16b, v19.16b, v19.16b, #8 add v30.16b, v30.16b, v29.16b // base_y += 2 (*2) b 4b 49: tbl v19.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+1], left[base_y+2] trn1 v18.2d, v18.2d, v19.2d // left[base_y], left[base_y+1] umull v20.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v20.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v21.4s, v18.8h, v28.8h umlal2 v21.4s, v19.8h, v27.8h rshrn v20.4h, v20.4s, #6 rshrn2 v20.8h, v21.4s, #6 st1 {v20.d}[0], [x0], x1 subs w5, w5, #2 st1 {v20.d}[1], [x0], x1 b.le 9f ext v18.16b, v19.16b, v19.16b, #8 add v30.16b, v30.16b, v29.16b // base_y += 2 (*2) b 49b 9: ret 80: AARCH64_VALID_JUMP_TARGET stp d8, d9, [sp, #-0x40]! stp d10, d11, [sp, #0x10] stp d12, d13, [sp, #0x20] stp d14, d15, [sp, #0x30] dup v18.8h, w7 // -dy add x3, x3, #2 // Skip past left[0] mul v16.8h, v31.8h, v18.8h // {0,1,2,3,4,5,6,7}* -dy movi v25.8h, #0x3e add v16.8h, v16.8h, v18.8h // -= dy // Worst case height for w=8 is 32. ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x3] // left[] ld1r {v15.8h}, [x2] // left[0] == top[0] movi v26.8h, #64 movi v19.16b, #4 shrn v29.8b, v16.8h, #6 // ypos >> 6 and v27.16b, v16.16b, v25.16b // frac_y movi v23.8h, #1, lsl #8 shl v29.8b, v29.8b, #1 // 2*base_y mov v18.16b, v15.16b // left[0] zip1 v29.16b, v29.16b, v29.16b // duplicate elements movi v17.16b, #2 add v29.16b, v29.16b, v23.16b // 2*base, 2*base+1, ... // Cut corners here; for the first row we don't expect to need to // read outside of v0. tbx v18.16b, {v0.16b}, v29.16b // left[base_y] add v30.16b, v29.16b, v19.16b // base_y + 2 (*2) add v29.16b, v29.16b, v17.16b // base_y + 1 (*2) sub v28.8h, v26.8h, v27.8h // 64 - frac_y movi v24.16b, #4 8: asr w9, w8, #6 // base_x dup v16.8h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, #-16 // base_x <= -16 asr w11, w8, #6 // base_x b.le 89f dup v17.8h, w8 // xpos add x9, x2, w9, sxtw #1 add x11, x2, w11, sxtw #1 ld1 {v4.8h, v5.8h}, [x9] // top[base_x] mov v19.16b, v15.16b // left[0] ld1 {v6.8h, v7.8h}, [x11] tbx v19.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y+1] mov v20.16b, v15.16b // left[0] sshr v21.8h, v16.8h, #6 // first base_x sshr v22.8h, v17.8h, #6 tbx v20.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v30.16b // left[base_y+2] ext v5.16b, v4.16b, v5.16b, #2 // top[base_x+1] ext v7.16b, v6.16b, v7.16b, #2 and v16.16b, v16.16b, v25.16b // frac_x and v17.16b, v17.16b, v25.16b umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y sub v8.8h, v26.8h, v16.8h // 64 - frac_x sub v9.8h, v26.8h, v17.8h umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h add v21.8h, v21.8h, v31.8h // actual base_x add v22.8h, v22.8h, v31.8h umull v12.4s, v19.4h, v28.4h umlal v12.4s, v20.4h, v27.4h umull2 v13.4s, v19.8h, v28.8h umlal2 v13.4s, v20.8h, v27.8h rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 umull v12.4s, v4.4h, v8.4h // top[base_x]-*(64-frac_x) umlal v12.4s, v5.4h, v16.4h // + top[base_x+1]*frac_x umull2 v13.4s, v4.8h, v8.8h umlal2 v13.4s, v5.8h, v16.8h umull v14.4s, v6.4h, v9.4h umlal v14.4s, v7.4h, v17.4h umull2 v18.4s, v6.8h, v9.8h umlal2 v18.4s, v7.8h, v17.8h cmge v21.8h, v21.8h, #0 cmge v22.8h, v22.8h, #0 rshrn v12.4h, v12.4s, #6 rshrn2 v12.8h, v13.4s, #6 rshrn v13.4h, v14.4s, #6 rshrn2 v13.8h, v18.4s, #6 bit v10.16b, v12.16b, v21.16b bit v11.16b, v13.16b, v22.16b st1 {v10.8h}, [x0], x1 subs w5, w5, #2 sub w8, w8, w6 // xpos -= dx st1 {v11.8h}, [x0], x1 b.le 9f mov v18.16b, v20.16b add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) add v30.16b, v30.16b, v24.16b // base_y += 2 (*2) b 8b 89: mov v19.16b, v15.16b mov v20.16b, v15.16b tbx v19.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y+1] tbx v20.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v30.16b // left[base_y+2] umull v4.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v4.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v5.4s, v18.8h, v28.8h umlal2 v5.4s, v19.8h, v27.8h umull v6.4s, v19.4h, v28.4h umlal v6.4s, v20.4h, v27.4h umull2 v7.4s, v19.8h, v28.8h umlal2 v7.4s, v20.8h, v27.8h rshrn v4.4h, v4.4s, #6 rshrn2 v4.8h, v5.4s, #6 rshrn v5.4h, v6.4s, #6 rshrn2 v5.8h, v7.4s, #6 st1 {v4.8h}, [x0], x1 subs w5, w5, #2 st1 {v5.8h}, [x0], x1 b.le 9f mov v18.16b, v20.16b add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) add v30.16b, v30.16b, v24.16b // base_y += 2 (*2) b 89b 9: ldp d14, d15, [sp, #0x30] ldp d12, d13, [sp, #0x20] ldp d10, d11, [sp, #0x10] ldp d8, d9, [sp], 0x40 ret 160: 320: 640: AARCH64_VALID_JUMP_TARGET stp d8, d9, [sp, #-0x40]! stp d10, d11, [sp, #0x10] stp d12, d13, [sp, #0x20] stp d14, d15, [sp, #0x30] dup v25.8h, w7 // -dy add x3, x3, #2 // Skip past left[0] add x13, x0, x1 // alternating row lsl x1, x1, #1 // stride *= 2 sub x1, x1, w4, uxtw #1 // stride -= width movi v11.8h, #8 mul v26.8h, v31.8h, v25.8h // {0,1,2,3,4,5,6,7}* -dy add v26.8h, v26.8h, v25.8h // -= dy mul v25.8h, v25.8h, v11.8h // -8*dy // Worst case height is 64, but we can only fit 32 pixels into // v0-v3 usable within one tbx instruction. As long as base_y is // up to 32, we use tbx. ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x3] // left[] ld1r {v15.8h}, [x2] // left[0] == top[0] mov w12, w4 // orig w neg w14, w4 // -w 1: mov v23.16b, v26.16b // reset ypos asr w9, w8, #6 // base_x dup v16.8h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, w14 // base_x <= -2*w asr w11, w8, #6 // base_x b.le 169f dup v17.8h, w8 // xpos sub w8, w8, w6 // xpos -= dx add x9, x2, w9, sxtw #1 add x11, x2, w11, sxtw #1 sshr v21.8h, v16.8h, #6 // first base_x sshr v22.8h, v17.8h, #6 ld1 {v4.8h}, [x9], #16 // top[base_x] ld1 {v6.8h}, [x11], #16 movi v10.8h, #0x3e movi v11.8h, #64 and v16.16b, v16.16b, v10.16b // frac_x and v17.16b, v17.16b, v10.16b sub v8.8h, v11.8h, v16.8h // 64 - frac_x sub v9.8h, v11.8h, v17.8h add v21.8h, v21.8h, v31.8h // actual base_x add v22.8h, v22.8h, v31.8h 2: smov w10, v22.h[0] shrn v29.8b, v23.8h, #6 // ypos >> 6 movi v12.8h, #64 cmp w10, #0 // base_x (bottom left) >= 0 smov w10, v29.b[0] // base_y[0] movi v10.8h, #0x3e b.ge 4f and v27.16b, v23.16b, v10.16b // frac_y cmp w10, #(32-3) mov v18.16b, v15.16b // left[0] sub v28.8h, v12.8h, v27.8h // 64 - frac_y b.gt 22f 21: // base_y < 32, using tbx shl v29.8b, v29.8b, #1 // 2*base_y movi v11.8h, #1, lsl #8 zip1 v29.16b, v29.16b, v29.16b // duplicate elements add v29.16b, v29.16b, v11.16b // 2*base, 2*base+1, ... movi v13.16b, #2 tbx v18.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y] add v29.16b, v29.16b, v13.16b // base_y + 1 (*2) mov v19.16b, v15.16b // left[0] tbx v19.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y+1] add v29.16b, v29.16b, v13.16b // base_y + 2 (*2) mov v20.16b, v15.16b // left[0] tbx v20.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y+2] b 23f 22: // base_y >= 32, using separate loads. smov w15, v29.b[1] smov w16, v29.b[2] add x10, x3, w10, sxtw #1 smov w17, v29.b[3] add x15, x3, w15, sxtw #1 ld3 {v18.h, v19.h, v20.h}[0], [x10] smov w10, v29.b[4] add x16, x3, w16, sxtw #1 ld3 {v18.h, v19.h, v20.h}[1], [x15] smov w15, v29.b[5] add x17, x3, w17, sxtw #1 ld3 {v18.h, v19.h, v20.h}[2], [x16] smov w16, v29.b[6] add x10, x3, w10, sxtw #1 ld3 {v18.h, v19.h, v20.h}[3], [x17] smov w17, v29.b[7] add x15, x3, w15, sxtw #1 add x16, x3, w16, sxtw #1 ld3 {v18.h, v19.h, v20.h}[4], [x10] add x17, x3, w17, sxtw #1 ld3 {v18.h, v19.h, v20.h}[5], [x15] ld3 {v18.h, v19.h, v20.h}[6], [x16] ld3 {v18.h, v19.h, v20.h}[7], [x17] 23: ld1 {v5.8h}, [x9], #16 // top[base_x] ld1 {v7.8h}, [x11], #16 add v23.8h, v23.8h, v25.8h // ypos -= 8*dy umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h umull v12.4s, v19.4h, v28.4h umlal v12.4s, v20.4h, v27.4h umull2 v13.4s, v19.8h, v28.8h umlal2 v13.4s, v20.8h, v27.8h ext v18.16b, v4.16b, v5.16b, #2 // top[base_x+1] ext v19.16b, v6.16b, v7.16b, #2 rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 umull v12.4s, v4.4h, v8.4h // top[base_x]-*(64-frac_x) umlal v12.4s, v18.4h, v16.4h // + top[base_x+1]*frac_x umull2 v13.4s, v4.8h, v8.8h umlal2 v13.4s, v18.8h, v16.8h umull v14.4s, v6.4h, v9.4h umlal v14.4s, v19.4h, v17.4h umull2 v20.4s, v6.8h, v9.8h umlal2 v20.4s, v19.8h, v17.8h cmge v18.8h, v21.8h, #0 cmge v19.8h, v22.8h, #0 rshrn v12.4h, v12.4s, #6 rshrn2 v12.8h, v13.4s, #6 rshrn v13.4h, v14.4s, #6 rshrn2 v13.8h, v20.4s, #6 bit v10.16b, v12.16b, v18.16b bit v11.16b, v13.16b, v19.16b st1 {v10.8h}, [x0], #16 subs w4, w4, #8 st1 {v11.8h}, [x13], #16 b.le 3f movi v10.8h, #8 mov v4.16b, v5.16b mov v6.16b, v7.16b add v21.8h, v21.8h, v10.8h // base_x += 8 add v22.8h, v22.8h, v10.8h b 2b 3: subs w5, w5, #2 b.le 9f movi v10.8h, #128 add x0, x0, x1 add x13, x13, x1 mov w4, w12 // reset w add v26.8h, v26.8h, v10.8h // ypos += 2*(1<<6) b 1b 4: // The rest of the row only predicted from top[] ld1 {v5.8h}, [x9], #16 // top[base_x] ld1 {v7.8h}, [x11], #16 ext v18.16b, v4.16b, v5.16b, #2 // top[base_x+1] ext v19.16b, v6.16b, v7.16b, #2 umull v12.4s, v4.4h, v8.4h // top[base_x]-*(64-frac_x) umlal v12.4s, v18.4h, v16.4h // + top[base_x+1]*frac_x umull2 v13.4s, v4.8h, v8.8h umlal2 v13.4s, v18.8h, v16.8h umull v14.4s, v6.4h, v9.4h umlal v14.4s, v19.4h, v17.4h umull2 v20.4s, v6.8h, v9.8h umlal2 v20.4s, v19.8h, v17.8h rshrn v12.4h, v12.4s, #6 rshrn2 v12.8h, v13.4s, #6 rshrn v13.4h, v14.4s, #6 rshrn2 v13.8h, v20.4s, #6 st1 {v12.8h}, [x0], #16 subs w4, w4, #8 st1 {v13.8h}, [x13], #16 b.le 3b mov v4.16b, v5.16b mov v6.16b, v7.16b b 4b 169: // The rest of the block only predicted from left[] add x1, x1, w4, uxtw #1 // restore stride mov w12, w5 // orig remaining h 1: movi v12.8h, #64 movi v10.8h, #0x3e shrn v29.8b, v23.8h, #6 // ypos >> 6 and v27.16b, v23.16b, v10.16b // frac_y smov w10, v29.b[0] // base_y[0] shl v29.8b, v29.8b, #1 // 2*base_y movi v11.8h, #1, lsl #8 zip1 v29.16b, v29.16b, v29.16b // duplicate elements add v23.8h, v23.8h, v25.8h // ypos -= 8*dy add v29.16b, v29.16b, v11.16b // 2*base, 2*base+1, ... cmp w10, #(32-1) mov v18.16b, v15.16b // left[0] movi v21.16b, #2 sub v28.8h, v12.8h, v27.8h // 64 - frac_y b.gt 31f tbx v18.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y] add v29.16b, v29.16b, v21.16b // base_y + 1 (*2) 2: // base_y < 32, using tbx. smov w10, v29.b[0] // base_y[0] mov v19.16b, v15.16b // left[0] cmp w10, #(64-4) b.gt 32f tbx v19.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y+1] add v29.16b, v29.16b, v21.16b // base_y + 2 (*2) mov v20.16b, v15.16b // left[0] tbx v20.16b, {v0.16b, v1.16b, v2.16b, v3.16b}, v29.16b // left[base_y+2] add v29.16b, v29.16b, v21.16b // next base_y umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h umull v12.4s, v19.4h, v28.4h umlal v12.4s, v20.4h, v27.4h umull2 v13.4s, v19.8h, v28.8h umlal2 v13.4s, v20.8h, v27.8h rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 st1 {v10.8h}, [x0], x1 subs w5, w5, #2 st1 {v11.8h}, [x13], x1 b.le 4f mov v18.16b, v20.16b b 2b 31: // base_y >= 32, using separate loads, loading v18 if we had to bail // in the prologue. smov w10, v29.b[0] smov w15, v29.b[2] movi v21.16b, #2 smov w16, v29.b[4] add x10, x3, w10, sxtw smov w17, v29.b[6] add x15, x3, w15, sxtw ld1 {v18.h}[0], [x10] smov w10, v29.b[8] add x16, x3, w16, sxtw ld1 {v18.h}[1], [x15] smov w15, v29.b[10] add x17, x3, w17, sxtw ld1 {v18.h}[2], [x16] smov w16, v29.b[12] add x10, x3, w10, sxtw ld1 {v18.h}[3], [x17] smov w17, v29.b[14] add x15, x3, w15, sxtw add x16, x3, w16, sxtw ld1 {v18.h}[4], [x10] add x17, x3, w17, sxtw ld1 {v18.h}[5], [x15] add v29.16b, v29.16b, v21.16b // next base_y ld1 {v18.h}[6], [x16] ld1 {v18.h}[7], [x17] 32: // base_y >= 32, using separate loads. cmp w5, #4 b.lt 34f 33: // h >= 4, preserving v18 from the previous round, loading v19-v22. smov w10, v29.b[0] subs w5, w5, #4 smov w15, v29.b[2] movi v10.16b, #8 smov w16, v29.b[4] add x10, x3, w10, sxtw smov w17, v29.b[6] add x15, x3, w15, sxtw ld4 {v19.h, v20.h, v21.h, v22.h}[0], [x10] smov w10, v29.b[8] add x16, x3, w16, sxtw ld4 {v19.h, v20.h, v21.h, v22.h}[1], [x15] smov w15, v29.b[10] add x17, x3, w17, sxtw ld4 {v19.h, v20.h, v21.h, v22.h}[2], [x16] smov w16, v29.b[12] add x10, x3, w10, sxtw ld4 {v19.h, v20.h, v21.h, v22.h}[3], [x17] smov w17, v29.b[14] add x15, x3, w15, sxtw add x16, x3, w16, sxtw ld4 {v19.h, v20.h, v21.h, v22.h}[4], [x10] add x17, x3, w17, sxtw ld4 {v19.h, v20.h, v21.h, v22.h}[5], [x15] ld4 {v19.h, v20.h, v21.h, v22.h}[6], [x16] add v29.16b, v29.16b, v10.16b // next base_y ld4 {v19.h, v20.h, v21.h, v22.h}[7], [x17] umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h umull v12.4s, v19.4h, v28.4h umlal v12.4s, v20.4h, v27.4h umull2 v13.4s, v19.8h, v28.8h umlal2 v13.4s, v20.8h, v27.8h rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 umull v12.4s, v20.4h, v28.4h // left[base_y]*(64-frac_y) umlal v12.4s, v21.4h, v27.4h // + left[base_y+1]*frac_y umull2 v13.4s, v20.8h, v28.8h umlal2 v13.4s, v21.8h, v27.8h umull v14.4s, v21.4h, v28.4h umlal v14.4s, v22.4h, v27.4h umull2 v18.4s, v21.8h, v28.8h umlal2 v18.4s, v22.8h, v27.8h rshrn v12.4h, v12.4s, #6 rshrn2 v12.8h, v13.4s, #6 rshrn v13.4h, v14.4s, #6 rshrn2 v13.8h, v18.4s, #6 st1 {v10.8h}, [x0], x1 cmp w5, #2 st1 {v11.8h}, [x13], x1 st1 {v12.8h}, [x0], x1 st1 {v13.8h}, [x13], x1 b.lt 4f mov v18.16b, v22.16b b.gt 33b 34: // h == 2, preserving v18 from the previous round, loading v19-v20. smov w10, v29.b[0] smov w15, v29.b[2] movi v21.16b, #4 smov w16, v29.b[4] add x10, x3, w10, sxtw smov w17, v29.b[6] add x15, x3, w15, sxtw ld2 {v19.h, v20.h}[0], [x10] smov w10, v29.b[8] add x16, x3, w16, sxtw ld2 {v19.h, v20.h}[1], [x15] smov w15, v29.b[10] add x17, x3, w17, sxtw ld2 {v19.h, v20.h}[2], [x16] smov w16, v29.b[12] add x10, x3, w10, sxtw ld2 {v19.h, v20.h}[3], [x17] smov w17, v29.b[14] add x15, x3, w15, sxtw add x16, x3, w16, sxtw ld2 {v19.h, v20.h}[4], [x10] add x17, x3, w17, sxtw ld2 {v19.h, v20.h}[5], [x15] ld2 {v19.h, v20.h}[6], [x16] add v29.16b, v29.16b, v21.16b // next base_y ld2 {v19.h, v20.h}[7], [x17] umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h umull v12.4s, v19.4h, v28.4h umlal v12.4s, v20.4h, v27.4h umull2 v13.4s, v19.8h, v28.8h umlal2 v13.4s, v20.8h, v27.8h rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 st1 {v10.8h}, [x0], x1 st1 {v11.8h}, [x13], x1 // The h==2 case only happens once at the end, if at all. 4: subs w4, w4, #8 b.le 9f lsr x1, x1, #1 msub x0, x1, x12, x0 // ptr -= h * stride msub x13, x1, x12, x13 lsl x1, x1, #1 add x0, x0, #16 add x13, x13, #16 mov w5, w12 // reset h b 1b 9: ldp d14, d15, [sp, #0x30] ldp d12, d13, [sp, #0x20] ldp d10, d11, [sp, #0x10] ldp d8, d9, [sp], 0x40 ret endfunc jumptable ipred_z2_fill1_tbl .word 640b - ipred_z2_fill1_tbl .word 320b - ipred_z2_fill1_tbl .word 160b - ipred_z2_fill1_tbl .word 80b - ipred_z2_fill1_tbl .word 40b - ipred_z2_fill1_tbl endjumptable function ipred_z2_fill2_16bpc_neon, export=1 cmp w4, #8 mov w8, #(2 << 6) // xpos = 2 << 6 sub w8, w8, w6 // xpos -= dx movrel x11, increments ld1 {v31.8h}, [x11] // increments neg w7, w7 // -dy b.eq 80f 40: dup v30.4h, w7 // -dy movi v17.8b, #1 mul v16.4h, v31.4h, v30.4h // {0,1,2,3}* -dy movi v25.8h, #0x3e add v30.4h, v16.4h, v30.4h // -= dy // For upsample_top, w <= 8 and h <= 8; we may need up to h+1 elements // from left. ld1 {v0.8h, v1.8h}, [x3] // left[] movi v26.8h, #64 movi v19.16b, #4 shrn v29.8b, v30.8h, #6 // ypos >> 6 and v27.8b, v30.8b, v25.8b // frac_y add v29.8b, v29.8b, v17.8b // base_y = (ypos >> 6) + 1 movi v23.4h, #1, lsl #8 shl v29.8b, v29.8b, #1 // 2*base_y zip1 v29.8b, v29.8b, v29.8b // duplicate elements movi v17.8b, #2 add v29.8b, v29.8b, v23.8b // 2*base, 2*base+1, ... add v30.8b, v29.8b, v17.8b // base_y + 1 (*2) add v28.8b, v29.8b, v19.8b // base_y + 2 (*2) tbl v18.8b, {v0.16b}, v29.8b // left[base_y] trn1 v30.2d, v30.2d, v28.2d // base_y + 1, base_y + 2 sub v28.4h, v26.4h, v27.4h // 64 - frac_y trn1 v31.2d, v31.2d, v31.2d // {0,1,2,3,0,1,2,3} trn1 v27.2d, v27.2d, v27.2d // frac_y trn1 v28.2d, v28.2d, v28.2d // 64 - frac_y movi v29.16b, #4 add v31.8h, v31.8h, v31.8h // {0,2,4,6,0,2,4,6} 4: asr w9, w8, #6 // base_x dup v16.4h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, #-8 // base_x <= -8 asr w11, w8, #6 // base_x b.le 49f lsl w9, w9, #1 lsl w11, w11, #1 dup v17.4h, w8 // xpos ldr q4, [x2, w9, sxtw] // top[base_x] ldr q6, [x2, w11, sxtw] trn1 v16.2d, v16.2d, v17.2d // xpos tbl v19.16b, {v0.16b, v1.16b}, v30.16b // left[base_y+1], left[base_y+2] sshr v20.8h, v16.8h, #6 // first base_x for each row uzp2 v5.8h, v4.8h, v6.8h // top[base_x+1] uzp1 v4.8h, v4.8h, v6.8h // top[base_x] and v16.16b, v16.16b, v25.16b // frac_x trn1 v18.2d, v18.2d, v19.2d // left[base_y], left[base_y+1] sub v17.8h, v26.8h, v16.8h // 64 - frac_x add v20.8h, v20.8h, v31.8h // actual base_x umull v21.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v21.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v22.4s, v18.8h, v28.8h umlal2 v22.4s, v19.8h, v27.8h umull v23.4s, v4.4h, v17.4h // top[base_x]-*(64-frac_x) umlal v23.4s, v5.4h, v16.4h // + top[base_x+1]*frac_x umull2 v24.4s, v4.8h, v17.8h umlal2 v24.4s, v5.8h, v16.8h cmge v20.8h, v20.8h, #0 rshrn v21.4h, v21.4s, #6 rshrn2 v21.8h, v22.4s, #6 rshrn v22.4h, v23.4s, #6 rshrn2 v22.8h, v24.4s, #6 bit v21.16b, v22.16b, v20.16b st1 {v21.d}[0], [x0], x1 sub w8, w8, w6 // xpos -= dx subs w5, w5, #2 st1 {v21.d}[1], [x0], x1 b.le 9f ext v18.16b, v19.16b, v19.16b, #8 add v30.16b, v30.16b, v29.16b // base_y += 2 (*2) b 4b 49: tbl v19.16b, {v0.16b, v1.16b}, v30.16b // left[base_y+1], left[base_y+2] trn1 v18.2d, v18.2d, v19.2d // left[base_y], left[base_y+1] umull v20.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v20.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v21.4s, v18.8h, v28.8h umlal2 v21.4s, v19.8h, v27.8h rshrn v20.4h, v20.4s, #6 rshrn2 v20.8h, v21.4s, #6 st1 {v20.d}[0], [x0], x1 subs w5, w5, #2 st1 {v20.d}[1], [x0], x1 b.le 9f ext v18.16b, v19.16b, v19.16b, #8 add v30.16b, v30.16b, v29.16b // base_y += 2 (*2) b 49b 9: ret 80: stp d8, d9, [sp, #-0x40]! stp d10, d11, [sp, #0x10] stp d12, d13, [sp, #0x20] stp d14, d15, [sp, #0x30] dup v18.8h, w7 // -dy movi v17.8b, #1 mul v16.8h, v31.8h, v18.8h // {0,1,2,3,4,5,6,7}* -dy movi v25.8h, #0x3e add v16.8h, v16.8h, v18.8h // -= dy // For upsample_top, w <= 8 and h <= 8; we may need up to h+1 elements // from left. ld1 {v0.8h, v1.8h}, [x3] // left[] movi v26.8h, #64 movi v19.16b, #4 shrn v29.8b, v16.8h, #6 // ypos >> 6 and v27.16b, v16.16b, v25.16b // frac_y add v29.8b, v29.8b, v17.8b // base_y = (ypos >> 6) + 1 movi v23.8h, #1, lsl #8 shl v29.8b, v29.8b, #1 // 2*base_y zip1 v29.16b, v29.16b, v29.16b // duplicate elements movi v17.16b, #2 add v29.16b, v29.16b, v23.16b // 2*base, 2*base+1, ... // Cut corners here; for the first row we don't expect to need to // read outside of v0. tbl v18.16b, {v0.16b}, v29.16b // left[base_y] add v30.16b, v29.16b, v19.16b // base_y + 2 (*2) add v29.16b, v29.16b, v17.16b // base_y + 1 (*2) sub v28.8h, v26.8h, v27.8h // 64 - frac_y movi v24.16b, #4 add v31.16b, v31.16b, v31.16b // {0,2,4,6,8,10,12,14,0,2,4,6,8,10,12,14} 8: asr w9, w8, #6 // base_x dup v16.8h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, #-16 // base_x <= -16 asr w11, w8, #6 // base_x b.le 89f dup v17.8h, w8 // xpos add x9, x2, w9, sxtw #1 add x11, x2, w11, sxtw #1 ld1 {v4.8h, v5.8h}, [x9] // top[base_x] ld1 {v6.8h, v7.8h}, [x11] tbl v19.16b, {v0.16b, v1.16b}, v29.16b // left[base_y+1] sshr v21.8h, v16.8h, #6 // first base_x sshr v22.8h, v17.8h, #6 tbl v20.16b, {v0.16b, v1.16b}, v30.16b // left[base_y+2] uzp2 v2.8h, v4.8h, v5.8h // top[base_x+1] uzp1 v4.8h, v4.8h, v5.8h // top[base_x] uzp2 v3.8h, v6.8h, v7.8h uzp1 v6.8h, v6.8h, v7.8h mov v5.16b, v2.16b mov v7.16b, v3.16b and v16.16b, v16.16b, v25.16b // frac_x and v17.16b, v17.16b, v25.16b umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y sub v8.8h, v26.8h, v16.8h // 64 - frac_x sub v9.8h, v26.8h, v17.8h umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h add v21.8h, v21.8h, v31.8h // actual base_x add v22.8h, v22.8h, v31.8h umull v12.4s, v19.4h, v28.4h umlal v12.4s, v20.4h, v27.4h umull2 v13.4s, v19.8h, v28.8h umlal2 v13.4s, v20.8h, v27.8h rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 umull v12.4s, v4.4h, v8.4h // top[base_x]-*(64-frac_x) umlal v12.4s, v5.4h, v16.4h // + top[base_x+1]*frac_x umull2 v13.4s, v4.8h, v8.8h umlal2 v13.4s, v5.8h, v16.8h umull v14.4s, v6.4h, v9.4h umlal v14.4s, v7.4h, v17.4h umull2 v18.4s, v6.8h, v9.8h umlal2 v18.4s, v7.8h, v17.8h cmge v21.8h, v21.8h, #0 cmge v22.8h, v22.8h, #0 rshrn v12.4h, v12.4s, #6 rshrn2 v12.8h, v13.4s, #6 rshrn v13.4h, v14.4s, #6 rshrn2 v13.8h, v18.4s, #6 bit v10.16b, v12.16b, v21.16b bit v11.16b, v13.16b, v22.16b st1 {v10.8h}, [x0], x1 subs w5, w5, #2 sub w8, w8, w6 // xpos -= dx st1 {v11.8h}, [x0], x1 b.le 9f mov v18.16b, v20.16b add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) add v30.16b, v30.16b, v24.16b // base_y += 2 (*2) b 8b 89: tbl v19.16b, {v0.16b, v1.16b}, v29.16b // left[base_y+1] tbl v20.16b, {v0.16b, v1.16b}, v30.16b // left[base_y+2] umull v4.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v4.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v5.4s, v18.8h, v28.8h umlal2 v5.4s, v19.8h, v27.8h umull v6.4s, v19.4h, v28.4h umlal v6.4s, v20.4h, v27.4h umull2 v7.4s, v19.8h, v28.8h umlal2 v7.4s, v20.8h, v27.8h rshrn v4.4h, v4.4s, #6 rshrn2 v4.8h, v5.4s, #6 rshrn v5.4h, v6.4s, #6 rshrn2 v5.8h, v7.4s, #6 st1 {v4.8h}, [x0], x1 subs w5, w5, #2 st1 {v5.8h}, [x0], x1 b.le 9f mov v18.16b, v20.16b add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) add v30.16b, v30.16b, v24.16b // base_y += 2 (*2) b 89b 9: ldp d14, d15, [sp, #0x30] ldp d12, d13, [sp, #0x20] ldp d10, d11, [sp, #0x10] ldp d8, d9, [sp], 0x40 ret endfunc function ipred_z2_fill3_16bpc_neon, export=1 cmp w4, #8 mov w8, #(1 << 6) // xpos = 1 << 6 sub w8, w8, w6 // xpos -= dx movrel x11, increments ld1 {v31.8h}, [x11] // increments neg w7, w7 // -dy b.eq 80f 40: dup v30.4h, w7 // -dy movi v17.8b, #1 mul v16.4h, v31.4h, v30.4h // {0,1,2,3}* -dy movi v25.8h, #0x3e add v30.4h, v16.4h, v30.4h // -= dy // For upsample_left, w <= 8 and h <= 8; we may need up to 2*h+1 elements. ld1 {v0.8h, v1.8h, v2.8h}, [x3] // left[] movi v26.8h, #64 movi v19.16b, #2 shrn v29.8b, v30.8h, #6 // ypos >> 6 and v27.8b, v30.8b, v25.8b // frac_y add v29.8b, v29.8b, v19.8b // base_y = (ypos >> 6) + 2 movi v23.4h, #1, lsl #8 shl v29.8b, v29.8b, #1 // 2*base_y movi v19.16b, #4 zip1 v29.8b, v29.8b, v29.8b // duplicate elements movi v17.8b, #2 add v29.8b, v29.8b, v23.8b // 2*base, 2*base+1, ... add v30.8b, v29.8b, v17.8b // base_y + 1 (*2) add v28.8b, v29.8b, v19.8b // base_y + 2 (*2) trn1 v31.2d, v31.2d, v31.2d // {0,1,2,3,0,1,2,3} add v24.8b, v30.8b, v19.8b // base_y + 3 (*2) trn1 v29.2d, v29.2d, v28.2d // base_y + 0, base_y + 2 trn1 v30.2d, v30.2d, v24.2d // base_y + 1, base_y + 3 sub v28.4h, v26.4h, v27.4h // 64 - frac_y trn1 v27.2d, v27.2d, v27.2d // frac_y trn1 v28.2d, v28.2d, v28.2d // 64 - frac_y movi v24.16b, #8 4: asr w9, w8, #6 // base_x dup v16.4h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, #-4 // base_x <= -4 asr w11, w8, #6 // base_x b.le 49f lsl w9, w9, #1 lsl w11, w11, #1 dup v17.4h, w8 // xpos ldr q4, [x2, w9, sxtw] // top[base_x] ldr q6, [x2, w11, sxtw] trn1 v16.2d, v16.2d, v17.2d // xpos tbl v18.16b, {v0.16b, v1.16b, v2.16b}, v29.16b // left[base_y+0], left[base_y+2] tbl v19.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+1], left[base_y+3] sshr v20.8h, v16.8h, #6 // first base_x for each row ext v5.16b, v4.16b, v4.16b, #2 // top[base_x+1] ext v7.16b, v6.16b, v6.16b, #2 and v16.16b, v16.16b, v25.16b // frac_x trn1 v4.2d, v4.2d, v6.2d // top[base_x] trn1 v5.2d, v5.2d, v7.2d // top[base_x+1] sub v17.8h, v26.8h, v16.8h // 64 - frac_x add v20.8h, v20.8h, v31.8h // actual base_x umull v21.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v21.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v22.4s, v18.8h, v28.8h umlal2 v22.4s, v19.8h, v27.8h umull v23.4s, v4.4h, v17.4h // top[base_x]-*(64-frac_x) umlal v23.4s, v5.4h, v16.4h // + top[base_x+1]*frac_x umull2 v24.4s, v4.8h, v17.8h umlal2 v24.4s, v5.8h, v16.8h cmge v20.8h, v20.8h, #0 rshrn v21.4h, v21.4s, #6 rshrn2 v21.8h, v22.4s, #6 rshrn v22.4h, v23.4s, #6 rshrn2 v22.8h, v24.4s, #6 movi v24.16b, #8 bit v21.16b, v22.16b, v20.16b st1 {v21.d}[0], [x0], x1 sub w8, w8, w6 // xpos -= dx subs w5, w5, #2 st1 {v21.d}[1], [x0], x1 b.le 9f add v29.16b, v29.16b, v24.16b // base_y += 4 (*2) add v30.16b, v30.16b, v24.16b // base_y += 4 (*2) b 4b 49: tbl v18.16b, {v0.16b, v1.16b, v2.16b}, v29.16b // left[base_y+0], left[base_y+2] tbl v19.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+1], left[base_y+3] umull v20.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v20.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v21.4s, v18.8h, v28.8h umlal2 v21.4s, v19.8h, v27.8h rshrn v20.4h, v20.4s, #6 rshrn2 v20.8h, v21.4s, #6 st1 {v20.d}[0], [x0], x1 subs w5, w5, #2 st1 {v20.d}[1], [x0], x1 b.le 9f add v29.16b, v29.16b, v24.16b // base_y += 4 (*2) add v30.16b, v30.16b, v24.16b // base_y += 4 (*2) b 49b 9: ret 80: stp d8, d9, [sp, #-0x40]! stp d10, d11, [sp, #0x10] stp d12, d13, [sp, #0x20] stp d14, d15, [sp, #0x30] dup v18.8h, w7 // -dy movi v17.16b, #2 mul v16.8h, v31.8h, v18.8h // {0,1,2,3,4,5,6,7}* -dy movi v25.8h, #0x3e add v16.8h, v16.8h, v18.8h // -= dy // For upsample_left, w <= 8 and h <= 8; we may need up to 2*h+1 elements. ld1 {v0.8h, v1.8h, v2.8h}, [x3] // left[] movi v26.8h, #64 movi v19.16b, #4 shrn v29.8b, v16.8h, #6 // ypos >> 6 and v27.16b, v16.16b, v25.16b // frac_y add v29.8b, v29.8b, v17.8b // base_y = (ypos >> 6) + 2 movi v23.8h, #1, lsl #8 shl v29.8b, v29.8b, #1 // 2*base_y mov v18.16b, v15.16b // left[0] zip1 v29.16b, v29.16b, v29.16b // duplicate elements add v29.16b, v29.16b, v23.16b // 2*base, 2*base+1, ... add v30.16b, v29.16b, v17.16b // base_y + 1 (*2) sub v28.8h, v26.8h, v27.8h // 64 - frac_y movi v24.16b, #4 8: asr w9, w8, #6 // base_x dup v16.8h, w8 // xpos sub w8, w8, w6 // xpos -= dx cmp w9, #-16 // base_x <= -16 asr w11, w8, #6 // base_x b.le 89f dup v17.8h, w8 // xpos add x9, x2, w9, sxtw #1 add x11, x2, w11, sxtw #1 ld1 {v4.8h, v5.8h}, [x9] // top[base_x] ld1 {v6.8h, v7.8h}, [x11] tbl v18.16b, {v0.16b, v1.16b, v2.16b}, v29.16b // left[base_y+0] add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) tbl v19.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+1] add v30.16b, v30.16b, v24.16b sshr v22.8h, v16.8h, #6 // first base_x tbl v20.16b, {v0.16b, v1.16b, v2.16b}, v29.16b // left[base_y+2] sshr v23.8h, v17.8h, #6 tbl v21.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+3] ext v5.16b, v4.16b, v5.16b, #2 // top[base_x+1] ext v7.16b, v6.16b, v7.16b, #2 and v16.16b, v16.16b, v25.16b // frac_x and v17.16b, v17.16b, v25.16b umull v10.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v10.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y sub v8.8h, v26.8h, v16.8h // 64 - frac_x sub v9.8h, v26.8h, v17.8h umull2 v11.4s, v18.8h, v28.8h umlal2 v11.4s, v19.8h, v27.8h add v22.8h, v22.8h, v31.8h // actual base_x add v23.8h, v23.8h, v31.8h umull v12.4s, v20.4h, v28.4h umlal v12.4s, v21.4h, v27.4h umull2 v13.4s, v20.8h, v28.8h umlal2 v13.4s, v21.8h, v27.8h rshrn v10.4h, v10.4s, #6 rshrn2 v10.8h, v11.4s, #6 rshrn v11.4h, v12.4s, #6 rshrn2 v11.8h, v13.4s, #6 umull v12.4s, v4.4h, v8.4h // top[base_x]-*(64-frac_x) umlal v12.4s, v5.4h, v16.4h // + top[base_x+1]*frac_x umull2 v13.4s, v4.8h, v8.8h umlal2 v13.4s, v5.8h, v16.8h umull v14.4s, v6.4h, v9.4h umlal v14.4s, v7.4h, v17.4h umull2 v18.4s, v6.8h, v9.8h umlal2 v18.4s, v7.8h, v17.8h cmge v22.8h, v22.8h, #0 cmge v23.8h, v23.8h, #0 rshrn v12.4h, v12.4s, #6 rshrn2 v12.8h, v13.4s, #6 rshrn v13.4h, v14.4s, #6 rshrn2 v13.8h, v18.4s, #6 bit v10.16b, v12.16b, v22.16b bit v11.16b, v13.16b, v23.16b st1 {v10.8h}, [x0], x1 subs w5, w5, #2 sub w8, w8, w6 // xpos -= dx st1 {v11.8h}, [x0], x1 b.le 9f add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) add v30.16b, v30.16b, v24.16b b 8b 89: tbl v18.16b, {v0.16b, v1.16b, v2.16b}, v29.16b // left[base_y+0] add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) tbl v19.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+1] add v30.16b, v30.16b, v24.16b tbl v20.16b, {v0.16b, v1.16b, v2.16b}, v29.16b // left[base_y+2] tbl v21.16b, {v0.16b, v1.16b, v2.16b}, v30.16b // left[base_y+3] umull v4.4s, v18.4h, v28.4h // left[base_y]*(64-frac_y) umlal v4.4s, v19.4h, v27.4h // + left[base_y+1]*frac_y umull2 v5.4s, v18.8h, v28.8h umlal2 v5.4s, v19.8h, v27.8h umull v6.4s, v20.4h, v28.4h umlal v6.4s, v21.4h, v27.4h umull2 v7.4s, v20.8h, v28.8h umlal2 v7.4s, v21.8h, v27.8h rshrn v4.4h, v4.4s, #6 rshrn2 v4.8h, v5.4s, #6 rshrn v5.4h, v6.4s, #6 rshrn2 v5.8h, v7.4s, #6 st1 {v4.8h}, [x0], x1 subs w5, w5, #2 st1 {v5.8h}, [x0], x1 b.le 9f add v29.16b, v29.16b, v24.16b // base_y += 2 (*2) add v30.16b, v30.16b, v24.16b b 89b 9: ldp d14, d15, [sp, #0x30] ldp d12, d13, [sp, #0x20] ldp d10, d11, [sp, #0x10] ldp d8, d9, [sp], 0x40 ret endfunc // void ipred_z3_fill1_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const left, // const int width, const int height, // const int dy, const int max_base_y); function ipred_z3_fill1_16bpc_neon, export=1 clz w9, w4 movrel x8, ipred_z3_fill1_tbl sub w9, w9, #25 ldrsw x9, [x8, w9, uxtw #2] add x10, x2, w6, uxtw #1 // left[max_base_y] add x8, x8, x9 ld1r {v31.8h}, [x10] // padding mov w7, w5 mov w15, #64 add x13, x0, x1 lsl x1, x1, #1 br x8 40: AARCH64_VALID_JUMP_TARGET 4: lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge ipred_z3_fill_padding_neon lsl w8, w8, #1 lsl w10, w10, #1 ldr q0, [x2, w8, uxtw] // left[base] ldr q2, [x2, w10, uxtw] dup v4.8h, w9 // frac dup v5.8h, w11 ext v1.16b, v0.16b, v0.16b, #2 // left[base+1] ext v3.16b, v2.16b, v2.16b, #2 sub v6.4h, v1.4h, v0.4h // top[base+1]-top[base] sub v7.4h, v3.4h, v2.4h ushll v16.4s, v0.4h, #6 // top[base]*64 ushll v17.4s, v2.4h, #6 smlal v16.4s, v6.4h, v4.4h // + top[base+1]*frac smlal v17.4s, v7.4h, v5.4h rshrn v16.4h, v16.4s, #6 rshrn v17.4h, v17.4s, #6 subs w3, w3, #2 zip1 v18.8h, v16.8h, v17.8h st1 {v18.s}[0], [x0], x1 st1 {v18.s}[1], [x13], x1 add w7, w7, w5 // xpos += dx st1 {v18.s}[2], [x0] st1 {v18.s}[3], [x13] b.le 9f sub x0, x0, x1 // ptr -= 4 * (2*stride) sub x13, x13, x1 add x0, x0, #4 add x13, x13, #4 b 4b 9: ret 80: AARCH64_VALID_JUMP_TARGET 8: lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge ipred_z3_fill_padding_neon add x8, x2, w8, uxtw #1 add x10, x2, w10, uxtw #1 dup v4.8h, w9 // frac dup v5.8h, w11 ld1 {v0.8h}, [x8] // left[base] ld1 {v2.8h}, [x10] sub w9, w15, w9 // 64 - frac sub w11, w15, w11 ldr h1, [x8, #16] ldr h3, [x10, #16] dup v6.8h, w9 // 64 - frac dup v7.8h, w11 ext v1.16b, v0.16b, v1.16b, #2 // left[base+1] ext v3.16b, v2.16b, v3.16b, #2 umull v16.4s, v0.4h, v6.4h // left[base]*(64-frac) umlal v16.4s, v1.4h, v4.4h // + left[base+1]*frac umull2 v17.4s, v0.8h, v6.8h umlal2 v17.4s, v1.8h, v4.8h umull v18.4s, v2.4h, v7.4h umlal v18.4s, v3.4h, v5.4h umull2 v19.4s, v2.8h, v7.8h umlal2 v19.4s, v3.8h, v5.8h rshrn v16.4h, v16.4s, #6 rshrn2 v16.8h, v17.4s, #6 rshrn v17.4h, v18.4s, #6 rshrn2 v17.8h, v19.4s, #6 subs w3, w3, #2 zip1 v18.8h, v16.8h, v17.8h zip2 v19.8h, v16.8h, v17.8h add w7, w7, w5 // xpos += dx st1 {v18.s}[0], [x0], x1 st1 {v18.s}[1], [x13], x1 st1 {v18.s}[2], [x0], x1 st1 {v18.s}[3], [x13], x1 st1 {v19.s}[0], [x0], x1 st1 {v19.s}[1], [x13], x1 st1 {v19.s}[2], [x0], x1 st1 {v19.s}[3], [x13], x1 b.le 9f sub x0, x0, x1, lsl #2 // ptr -= 4 * (2*stride) sub x13, x13, x1, lsl #2 add x0, x0, #4 add x13, x13, #4 b 8b 9: ret 160: 320: 640: AARCH64_VALID_JUMP_TARGET mov w12, w4 1: lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // ypos += dy cmp w8, w6 // base >= max_base_y lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge ipred_z3_fill_padding_neon add x8, x2, w8, uxtw #1 add x10, x2, w10, uxtw #1 dup v6.8h, w9 // frac dup v7.8h, w11 ld1 {v0.8h, v1.8h, v2.8h}, [x8], #48 // left[base] ld1 {v3.8h, v4.8h, v5.8h}, [x10], #48 sub w9, w15, w9 // 64 - frac sub w11, w15, w11 dup v16.8h, w9 // 64 - frac dup v17.8h, w11 add w7, w7, w5 // ypos += dy 2: ext v18.16b, v0.16b, v1.16b, #2 // left[base+1] ext v19.16b, v1.16b, v2.16b, #2 ext v20.16b, v3.16b, v4.16b, #2 ext v21.16b, v4.16b, v5.16b, #2 subs w4, w4, #16 umull v22.4s, v0.4h, v16.4h // left[base]*(64-frac) umlal v22.4s, v18.4h, v6.4h // + left[base+1]*frac umull2 v23.4s, v0.8h, v16.8h umlal2 v23.4s, v18.8h, v6.8h umull v24.4s, v1.4h, v16.4h umlal v24.4s, v19.4h, v6.4h umull2 v25.4s, v1.8h, v16.8h umlal2 v25.4s, v19.8h, v6.8h umull v26.4s, v3.4h, v17.4h umlal v26.4s, v20.4h, v7.4h umull2 v27.4s, v3.8h, v17.8h umlal2 v27.4s, v20.8h, v7.8h umull v28.4s, v4.4h, v17.4h umlal v28.4s, v21.4h, v7.4h umull2 v29.4s, v4.8h, v17.8h umlal2 v29.4s, v21.8h, v7.8h rshrn v22.4h, v22.4s, #6 rshrn2 v22.8h, v23.4s, #6 rshrn v23.4h, v24.4s, #6 rshrn2 v23.8h, v25.4s, #6 rshrn v24.4h, v26.4s, #6 rshrn2 v24.8h, v27.4s, #6 rshrn v25.4h, v28.4s, #6 rshrn2 v25.8h, v29.4s, #6 zip1 v18.8h, v22.8h, v24.8h zip2 v19.8h, v22.8h, v24.8h zip1 v20.8h, v23.8h, v25.8h zip2 v21.8h, v23.8h, v25.8h st1 {v18.s}[0], [x0], x1 st1 {v18.s}[1], [x13], x1 st1 {v18.s}[2], [x0], x1 st1 {v18.s}[3], [x13], x1 st1 {v19.s}[0], [x0], x1 st1 {v19.s}[1], [x13], x1 st1 {v19.s}[2], [x0], x1 st1 {v19.s}[3], [x13], x1 st1 {v20.s}[0], [x0], x1 st1 {v20.s}[1], [x13], x1 st1 {v20.s}[2], [x0], x1 st1 {v20.s}[3], [x13], x1 st1 {v21.s}[0], [x0], x1 st1 {v21.s}[1], [x13], x1 st1 {v21.s}[2], [x0], x1 st1 {v21.s}[3], [x13], x1 b.le 3f mov v0.16b, v2.16b ld1 {v1.8h, v2.8h}, [x8], #32 // left[base] mov v3.16b, v5.16b ld1 {v4.8h, v5.8h}, [x10], #32 b 2b 3: subs w3, w3, #2 b.le 9f lsr x1, x1, #1 msub x0, x1, x12, x0 // ptr -= h * stride msub x13, x1, x12, x13 lsl x1, x1, #1 add x0, x0, #4 add x13, x13, #4 mov w4, w12 b 1b 9: ret endfunc jumptable ipred_z3_fill1_tbl .word 640b - ipred_z3_fill1_tbl .word 320b - ipred_z3_fill1_tbl .word 160b - ipred_z3_fill1_tbl .word 80b - ipred_z3_fill1_tbl .word 40b - ipred_z3_fill1_tbl endjumptable function ipred_z3_fill_padding_neon, export=0 cmp w3, #8 movrel x8, ipred_z3_fill_padding_tbl b.gt ipred_z3_fill_padding_wide // w3 = remaining width, w4 = constant height mov w12, w4 1: // Fill a WxH rectangle with padding. W can be any number; // this fills the exact width by filling in the largest // power of two in the remaining width, and repeating. clz w9, w3 sub w9, w9, #25 ldrsw x9, [x8, w9, uxtw #2] add x9, x8, x9 br x9 20: AARCH64_VALID_JUMP_TARGET 2: st1 {v31.s}[0], [x0], x1 subs w4, w4, #4 st1 {v31.s}[0], [x13], x1 st1 {v31.s}[0], [x0], x1 st1 {v31.s}[0], [x13], x1 b.gt 2b subs w3, w3, #2 lsr x1, x1, #1 msub x0, x1, x12, x0 // ptr -= h * stride msub x13, x1, x12, x13 b.le 9f lsl x1, x1, #1 add x0, x0, #4 add x13, x13, #4 mov w4, w12 b 1b 40: AARCH64_VALID_JUMP_TARGET 4: st1 {v31.4h}, [x0], x1 subs w4, w4, #4 st1 {v31.4h}, [x13], x1 st1 {v31.4h}, [x0], x1 st1 {v31.4h}, [x13], x1 b.gt 4b subs w3, w3, #4 lsr x1, x1, #1 msub x0, x1, x12, x0 // ptr -= h * stride msub x13, x1, x12, x13 b.le 9f lsl x1, x1, #1 add x0, x0, #8 add x13, x13, #8 mov w4, w12 b 1b 80: 160: 320: 640: AARCH64_VALID_JUMP_TARGET 8: st1 {v31.8h}, [x0], x1 subs w4, w4, #4 st1 {v31.8h}, [x13], x1 st1 {v31.8h}, [x0], x1 st1 {v31.8h}, [x13], x1 b.gt 8b subs w3, w3, #8 lsr x1, x1, #1 msub x0, x1, x12, x0 // ptr -= h * stride msub x13, x1, x12, x13 b.le 9f lsl x1, x1, #1 add x0, x0, #16 add x13, x13, #16 mov w4, w12 b 1b 9: ret endfunc jumptable ipred_z3_fill_padding_tbl .word 640b - ipred_z3_fill_padding_tbl .word 320b - ipred_z3_fill_padding_tbl .word 160b - ipred_z3_fill_padding_tbl .word 80b - ipred_z3_fill_padding_tbl .word 40b - ipred_z3_fill_padding_tbl .word 20b - ipred_z3_fill_padding_tbl endjumptable function ipred_z3_fill_padding_wide // Fill a WxH rectangle with padding, with W > 8. lsr x1, x1, #1 mov w12, w3 sub x1, x1, w3, uxtw #1 1: ands w5, w3, #7 b.eq 2f // If the width isn't aligned to 8, first do one 8 pixel write // and align the start pointer. sub w3, w3, w5 st1 {v31.8h}, [x0] add x0, x0, w5, uxtw #1 2: // Fill the rest of the line with aligned 8 pixel writes. subs w3, w3, #8 st1 {v31.8h}, [x0], #16 b.gt 2b subs w4, w4, #1 add x0, x0, x1 b.le 9f mov w3, w12 b 1b 9: ret endfunc function ipred_z3_fill2_16bpc_neon, export=1 cmp w4, #8 add x10, x2, w6, uxtw // left[max_base_y] ld1r {v31.16b}, [x10] // padding mov w7, w5 mov w15, #64 add x13, x0, x1 lsl x1, x1, #1 b.eq 8f 4: // h == 4 lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge ipred_z3_fill_padding_neon lsl w8, w8, #1 lsl w10, w10, #1 ldr q0, [x2, w8, uxtw] // top[base] ldr q2, [x2, w10, uxtw] dup v4.4h, w9 // frac dup v5.4h, w11 uzp2 v1.8h, v0.8h, v0.8h // top[base+1] uzp1 v0.8h, v0.8h, v0.8h // top[base] uzp2 v3.8h, v2.8h, v2.8h uzp1 v2.8h, v2.8h, v2.8h sub v6.4h, v1.4h, v0.4h // top[base+1]-top[base] sub v7.4h, v3.4h, v2.4h ushll v16.4s, v0.4h, #6 // top[base]*64 ushll v17.4s, v2.4h, #6 smlal v16.4s, v6.4h, v4.4h // + top[base+1]*frac smlal v17.4s, v7.4h, v5.4h rshrn v16.4h, v16.4s, #6 rshrn v17.4h, v17.4s, #6 subs w3, w3, #2 zip1 v18.8h, v16.8h, v17.8h st1 {v18.s}[0], [x0], x1 st1 {v18.s}[1], [x13], x1 add w7, w7, w5 // xpos += dx st1 {v18.s}[2], [x0] st1 {v18.s}[3], [x13] b.le 9f sub x0, x0, x1 // ptr -= 4 * (2*stride) sub x13, x13, x1 add x0, x0, #4 add x13, x13, #4 b 4b 9: ret 8: // h == 8 lsr w8, w7, #6 // base and w9, w7, #0x3e // frac add w7, w7, w5 // xpos += dx cmp w8, w6 // base >= max_base_x lsr w10, w7, #6 // base and w11, w7, #0x3e // frac b.ge ipred_z3_fill_padding_neon add x8, x2, w8, uxtw #1 add x10, x2, w10, uxtw #1 dup v4.8h, w9 // frac dup v5.8h, w11 ld1 {v0.8h, v1.8h}, [x8] // top[base] ld1 {v2.8h, v3.8h}, [x10] sub w9, w15, w9 // 64 - frac sub w11, w15, w11 dup v6.8h, w9 // 64 - frac dup v7.8h, w11 uzp2 v20.8h, v0.8h, v1.8h // top[base+1] uzp1 v0.8h, v0.8h, v1.8h // top[base] uzp2 v21.8h, v2.8h, v3.8h uzp1 v2.8h, v2.8h, v3.8h umull v16.4s, v0.4h, v6.4h // top[base]*(64-frac) umlal v16.4s, v20.4h, v4.4h // + top[base+1]*frac umull2 v17.4s, v0.8h, v6.8h umlal2 v17.4s, v20.8h, v4.8h umull v18.4s, v2.4h, v7.4h umlal v18.4s, v21.4h, v5.4h umull2 v19.4s, v2.8h, v7.8h umlal2 v19.4s, v21.8h, v5.8h rshrn v16.4h, v16.4s, #6 rshrn2 v16.8h, v17.4s, #6 rshrn v17.4h, v18.4s, #6 rshrn2 v17.8h, v19.4s, #6 subs w3, w3, #2 zip1 v18.8h, v16.8h, v17.8h zip2 v19.8h, v16.8h, v17.8h add w7, w7, w5 // xpos += dx st1 {v18.s}[0], [x0], x1 st1 {v18.s}[1], [x13], x1 st1 {v18.s}[2], [x0], x1 st1 {v18.s}[3], [x13], x1 st1 {v19.s}[0], [x0], x1 st1 {v19.s}[1], [x13], x1 st1 {v19.s}[2], [x0], x1 st1 {v19.s}[3], [x13], x1 b.le 9f sub x0, x0, x1, lsl #2 // ptr -= 4 * (2*stride) sub x13, x13, x1, lsl #2 add x0, x0, #4 add x13, x13, #4 b 8b 9: ret endfunc // void ipred_filter_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, const int filt_idx, // const int max_width, const int max_height, // const int bitdepth_max); .macro filter_fn bpc function ipred_filter_\bpc\()bpc_neon and w5, w5, #511 movrel x6, X(filter_intra_taps) lsl w5, w5, #6 add x6, x6, w5, uxtw ld1 {v16.8b, v17.8b, v18.8b, v19.8b}, [x6], #32 clz w9, w3 movrel x5, ipred_filter\bpc\()_tbl ld1 {v20.8b, v21.8b, v22.8b}, [x6] sub w9, w9, #26 ldrsw x9, [x5, w9, uxtw #2] sxtl v16.8h, v16.8b sxtl v17.8h, v17.8b add x5, x5, x9 sxtl v18.8h, v18.8b sxtl v19.8h, v19.8b add x6, x0, x1 lsl x1, x1, #1 sxtl v20.8h, v20.8b sxtl v21.8h, v21.8b sxtl v22.8h, v22.8b dup v31.8h, w8 .if \bpc == 10 movi v30.8h, #0 .endif br x5 40: AARCH64_VALID_JUMP_TARGET ldur d0, [x2, #2] // top (0-3) sub x2, x2, #4 mov x7, #-4 4: ld1 {v1.4h}, [x2], x7 // left (0-1) + topleft (2) .if \bpc == 10 mul v2.8h, v17.8h, v0.h[0] // p1(top[0]) * filter(1) mla v2.8h, v18.8h, v0.h[1] // p2(top[1]) * filter(2) mla v2.8h, v19.8h, v0.h[2] // p3(top[2]) * filter(3) mla v2.8h, v20.8h, v0.h[3] // p4(top[3]) * filter(4) mla v2.8h, v16.8h, v1.h[2] // p0(topleft) * filter(0) mla v2.8h, v21.8h, v1.h[1] // p5(left[0]) * filter(5) mla v2.8h, v22.8h, v1.h[0] // p6(left[1]) * filter(6) srshr v2.8h, v2.8h, #4 smax v2.8h, v2.8h, v30.8h .else smull v2.4s, v17.4h, v0.h[0] // p1(top[0]) * filter(1) smlal v2.4s, v18.4h, v0.h[1] // p2(top[1]) * filter(2) smlal v2.4s, v19.4h, v0.h[2] // p3(top[2]) * filter(3) smlal v2.4s, v20.4h, v0.h[3] // p4(top[3]) * filter(4) smlal v2.4s, v16.4h, v1.h[2] // p0(topleft) * filter(0) smlal v2.4s, v21.4h, v1.h[1] // p5(left[0]) * filter(5) smlal v2.4s, v22.4h, v1.h[0] // p6(left[1]) * filter(6) smull2 v3.4s, v17.8h, v0.h[0] // p1(top[0]) * filter(1) smlal2 v3.4s, v18.8h, v0.h[1] // p2(top[1]) * filter(2) smlal2 v3.4s, v19.8h, v0.h[2] // p3(top[2]) * filter(3) smlal2 v3.4s, v20.8h, v0.h[3] // p4(top[3]) * filter(4) smlal2 v3.4s, v16.8h, v1.h[2] // p0(topleft) * filter(0) smlal2 v3.4s, v21.8h, v1.h[1] // p5(left[0]) * filter(5) smlal2 v3.4s, v22.8h, v1.h[0] // p6(left[1]) * filter(6) sqrshrun v2.4h, v2.4s, #4 sqrshrun2 v2.8h, v3.4s, #4 .endif smin v2.8h, v2.8h, v31.8h subs w4, w4, #2 st1 {v2.d}[0], [x0], x1 ext v0.16b, v2.16b, v2.16b, #8 // move top from [4-7] to [0-3] st1 {v2.d}[1], [x6], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET ldur q0, [x2, #2] // top (0-7) sub x2, x2, #4 mov x7, #-4 8: ld1 {v1.4h}, [x2], x7 // left (0-1) + topleft (2) .if \bpc == 10 mul v2.8h, v17.8h, v0.h[0] // p1(top[0]) * filter(1) mla v2.8h, v18.8h, v0.h[1] // p2(top[1]) * filter(2) mla v2.8h, v19.8h, v0.h[2] // p3(top[2]) * filter(3) mla v2.8h, v20.8h, v0.h[3] // p4(top[3]) * filter(4) mla v2.8h, v16.8h, v1.h[2] // p0(topleft) * filter(0) mla v2.8h, v21.8h, v1.h[1] // p5(left[0]) * filter(5) mla v2.8h, v22.8h, v1.h[0] // p6(left[1]) * filter(6) mul v3.8h, v17.8h, v0.h[4] // p1(top[0]) * filter(1) mla v3.8h, v18.8h, v0.h[5] // p2(top[1]) * filter(2) mla v3.8h, v19.8h, v0.h[6] // p3(top[2]) * filter(3) srshr v2.8h, v2.8h, #4 smax v2.8h, v2.8h, v30.8h smin v2.8h, v2.8h, v31.8h mla v3.8h, v20.8h, v0.h[7] // p4(top[3]) * filter(4) mla v3.8h, v16.8h, v0.h[3] // p0(topleft) * filter(0) mla v3.8h, v21.8h, v2.h[3] // p5(left[0]) * filter(5) mla v3.8h, v22.8h, v2.h[7] // p6(left[1]) * filter(6) srshr v3.8h, v3.8h, #4 smax v3.8h, v3.8h, v30.8h .else smull v2.4s, v17.4h, v0.h[0] // p1(top[0]) * filter(1) smlal v2.4s, v18.4h, v0.h[1] // p2(top[1]) * filter(2) smlal v2.4s, v19.4h, v0.h[2] // p3(top[2]) * filter(3) smlal v2.4s, v20.4h, v0.h[3] // p4(top[3]) * filter(4) smlal v2.4s, v16.4h, v1.h[2] // p0(topleft) * filter(0) smlal v2.4s, v21.4h, v1.h[1] // p5(left[0]) * filter(5) smlal v2.4s, v22.4h, v1.h[0] // p6(left[1]) * filter(6) smull2 v3.4s, v17.8h, v0.h[0] // p1(top[0]) * filter(1) smlal2 v3.4s, v18.8h, v0.h[1] // p2(top[1]) * filter(2) smlal2 v3.4s, v19.8h, v0.h[2] // p3(top[2]) * filter(3) smlal2 v3.4s, v20.8h, v0.h[3] // p4(top[3]) * filter(4) smlal2 v3.4s, v16.8h, v1.h[2] // p0(topleft) * filter(0) smlal2 v3.4s, v21.8h, v1.h[1] // p5(left[0]) * filter(5) smlal2 v3.4s, v22.8h, v1.h[0] // p6(left[1]) * filter(6) smull v4.4s, v17.4h, v0.h[4] // p1(top[0]) * filter(1) smlal v4.4s, v18.4h, v0.h[5] // p2(top[1]) * filter(2) smlal v4.4s, v19.4h, v0.h[6] // p3(top[2]) * filter(3) sqrshrun v2.4h, v2.4s, #4 sqrshrun2 v2.8h, v3.4s, #4 smin v2.8h, v2.8h, v31.8h smlal v4.4s, v20.4h, v0.h[7] // p4(top[3]) * filter(4) smlal v4.4s, v16.4h, v0.h[3] // p0(topleft) * filter(0) smlal v4.4s, v21.4h, v2.h[3] // p5(left[0]) * filter(5) smlal v4.4s, v22.4h, v2.h[7] // p6(left[1]) * filter(6) smull2 v5.4s, v17.8h, v0.h[4] // p1(top[0]) * filter(1) smlal2 v5.4s, v18.8h, v0.h[5] // p2(top[1]) * filter(2) smlal2 v5.4s, v19.8h, v0.h[6] // p3(top[2]) * filter(3) smlal2 v5.4s, v20.8h, v0.h[7] // p4(top[3]) * filter(4) smlal2 v5.4s, v16.8h, v0.h[3] // p0(topleft) * filter(0) smlal2 v5.4s, v21.8h, v2.h[3] // p5(left[0]) * filter(5) smlal2 v5.4s, v22.8h, v2.h[7] // p6(left[1]) * filter(6) sqrshrun v3.4h, v4.4s, #4 sqrshrun2 v3.8h, v5.4s, #4 .endif smin v3.8h, v3.8h, v31.8h subs w4, w4, #2 st2 {v2.d, v3.d}[0], [x0], x1 zip2 v0.2d, v2.2d, v3.2d st2 {v2.d, v3.d}[1], [x6], x1 b.gt 8b ret 160: 320: AARCH64_VALID_JUMP_TARGET add x8, x2, #2 sub x2, x2, #4 mov x7, #-4 sub x1, x1, w3, uxtw #1 mov w9, w3 1: ld1 {v0.4h}, [x2], x7 // left (0-1) + topleft (2) 2: ld1 {v1.8h, v2.8h}, [x8], #32 // top(0-15) .if \bpc == 10 mul v3.8h, v16.8h, v0.h[2] // p0(topleft) * filter(0) mla v3.8h, v21.8h, v0.h[1] // p5(left[0]) * filter(5) mla v3.8h, v22.8h, v0.h[0] // p6(left[1]) * filter(6) mla v3.8h, v17.8h, v1.h[0] // p1(top[0]) * filter(1) mla v3.8h, v18.8h, v1.h[1] // p2(top[1]) * filter(2) mla v3.8h, v19.8h, v1.h[2] // p3(top[2]) * filter(3) mla v3.8h, v20.8h, v1.h[3] // p4(top[3]) * filter(4) mul v4.8h, v17.8h, v1.h[4] // p1(top[0]) * filter(1) mla v4.8h, v18.8h, v1.h[5] // p2(top[1]) * filter(2) mla v4.8h, v19.8h, v1.h[6] // p3(top[2]) * filter(3) srshr v3.8h, v3.8h, #4 smax v3.8h, v3.8h, v30.8h smin v3.8h, v3.8h, v31.8h mla v4.8h, v20.8h, v1.h[7] // p4(top[3]) * filter(4) mla v4.8h, v16.8h, v1.h[3] // p0(topleft) * filter(0) mla v4.8h, v21.8h, v3.h[3] // p5(left[0]) * filter(5) mla v4.8h, v22.8h, v3.h[7] // p6(left[1]) * filter(6) mul v5.8h, v17.8h, v2.h[0] // p1(top[0]) * filter(1) mla v5.8h, v18.8h, v2.h[1] // p2(top[1]) * filter(2) mla v5.8h, v19.8h, v2.h[2] // p3(top[2]) * filter(3) srshr v4.8h, v4.8h, #4 smax v4.8h, v4.8h, v30.8h smin v4.8h, v4.8h, v31.8h mla v5.8h, v20.8h, v2.h[3] // p4(top[3]) * filter(4) mla v5.8h, v16.8h, v1.h[7] // p0(topleft) * filter(0) mla v5.8h, v21.8h, v4.h[3] // p5(left[0]) * filter(5) mla v5.8h, v22.8h, v4.h[7] // p6(left[1]) * filter(6) mul v6.8h, v17.8h, v2.h[4] // p1(top[0]) * filter(1) mla v6.8h, v18.8h, v2.h[5] // p2(top[1]) * filter(2) mla v6.8h, v19.8h, v2.h[6] // p3(top[2]) * filter(3) srshr v5.8h, v5.8h, #4 smax v5.8h, v5.8h, v30.8h smin v5.8h, v5.8h, v31.8h mla v6.8h, v20.8h, v2.h[7] // p4(top[3]) * filter(4) mla v6.8h, v16.8h, v2.h[3] // p0(topleft) * filter(0) mla v6.8h, v21.8h, v5.h[3] // p5(left[0]) * filter(5) mla v6.8h, v22.8h, v5.h[7] // p6(left[1]) * filter(6) subs w3, w3, #16 srshr v6.8h, v6.8h, #4 smax v6.8h, v6.8h, v30.8h .else smull v3.4s, v16.4h, v0.h[2] // p0(topleft) * filter(0) smlal v3.4s, v21.4h, v0.h[1] // p5(left[0]) * filter(5) smlal v3.4s, v22.4h, v0.h[0] // p6(left[1]) * filter(6) smlal v3.4s, v17.4h, v1.h[0] // p1(top[0]) * filter(1) smlal v3.4s, v18.4h, v1.h[1] // p2(top[1]) * filter(2) smlal v3.4s, v19.4h, v1.h[2] // p3(top[2]) * filter(3) smlal v3.4s, v20.4h, v1.h[3] // p4(top[3]) * filter(4) smull2 v4.4s, v16.8h, v0.h[2] // p0(topleft) * filter(0) smlal2 v4.4s, v21.8h, v0.h[1] // p5(left[0]) * filter(5) smlal2 v4.4s, v22.8h, v0.h[0] // p6(left[1]) * filter(6) smlal2 v4.4s, v17.8h, v1.h[0] // p1(top[0]) * filter(1) smlal2 v4.4s, v18.8h, v1.h[1] // p2(top[1]) * filter(2) smlal2 v4.4s, v19.8h, v1.h[2] // p3(top[2]) * filter(3) smlal2 v4.4s, v20.8h, v1.h[3] // p4(top[3]) * filter(4) smull v5.4s, v17.4h, v1.h[4] // p1(top[0]) * filter(1) smlal v5.4s, v18.4h, v1.h[5] // p2(top[1]) * filter(2) smlal v5.4s, v19.4h, v1.h[6] // p3(top[2]) * filter(3) sqrshrun v3.4h, v3.4s, #4 sqrshrun2 v3.8h, v4.4s, #4 smin v3.8h, v3.8h, v31.8h smlal v5.4s, v20.4h, v1.h[7] // p4(top[3]) * filter(4) smlal v5.4s, v16.4h, v1.h[3] // p0(topleft) * filter(0) smlal v5.4s, v21.4h, v3.h[3] // p5(left[0]) * filter(5) smlal v5.4s, v22.4h, v3.h[7] // p6(left[1]) * filter(6) smull2 v6.4s, v17.8h, v1.h[4] // p1(top[0]) * filter(1) smlal2 v6.4s, v18.8h, v1.h[5] // p2(top[1]) * filter(2) smlal2 v6.4s, v19.8h, v1.h[6] // p3(top[2]) * filter(3) smlal2 v6.4s, v20.8h, v1.h[7] // p4(top[3]) * filter(4) smlal2 v6.4s, v16.8h, v1.h[3] // p0(topleft) * filter(0) smlal2 v6.4s, v21.8h, v3.h[3] // p5(left[0]) * filter(5) smlal2 v6.4s, v22.8h, v3.h[7] // p6(left[1]) * filter(6) smull v24.4s, v17.4h, v2.h[0] // p1(top[0]) * filter(1) smlal v24.4s, v18.4h, v2.h[1] // p2(top[1]) * filter(2) smlal v24.4s, v19.4h, v2.h[2] // p3(top[2]) * filter(3) sqrshrun v4.4h, v5.4s, #4 sqrshrun2 v4.8h, v6.4s, #4 smin v4.8h, v4.8h, v31.8h smlal v24.4s, v20.4h, v2.h[3] // p4(top[3]) * filter(4) smlal v24.4s, v16.4h, v1.h[7] // p0(topleft) * filter(0) smlal v24.4s, v21.4h, v4.h[3] // p5(left[0]) * filter(5) smlal v24.4s, v22.4h, v4.h[7] // p6(left[1]) * filter(6) smull2 v25.4s, v17.8h, v2.h[0] // p1(top[0]) * filter(1) smlal2 v25.4s, v18.8h, v2.h[1] // p2(top[1]) * filter(2) smlal2 v25.4s, v19.8h, v2.h[2] // p3(top[2]) * filter(3) smlal2 v25.4s, v20.8h, v2.h[3] // p4(top[3]) * filter(4) smlal2 v25.4s, v16.8h, v1.h[7] // p0(topleft) * filter(0) smlal2 v25.4s, v21.8h, v4.h[3] // p5(left[0]) * filter(5) smlal2 v25.4s, v22.8h, v4.h[7] // p6(left[1]) * filter(6) smull v26.4s, v17.4h, v2.h[4] // p1(top[0]) * filter(1) smlal v26.4s, v18.4h, v2.h[5] // p2(top[1]) * filter(2) smlal v26.4s, v19.4h, v2.h[6] // p3(top[2]) * filter(3) sqrshrun v5.4h, v24.4s, #4 sqrshrun2 v5.8h, v25.4s, #4 smin v5.8h, v5.8h, v31.8h smlal v26.4s, v20.4h, v2.h[7] // p4(top[3]) * filter(4) smlal v26.4s, v16.4h, v2.h[3] // p0(topleft) * filter(0) smlal v26.4s, v21.4h, v5.h[3] // p5(left[0]) * filter(5) smlal v26.4s, v22.4h, v5.h[7] // p6(left[1]) * filter(6) smull2 v27.4s, v17.8h, v2.h[4] // p1(top[0]) * filter(1) smlal2 v27.4s, v18.8h, v2.h[5] // p2(top[1]) * filter(2) smlal2 v27.4s, v19.8h, v2.h[6] // p3(top[2]) * filter(3) smlal2 v27.4s, v20.8h, v2.h[7] // p4(top[3]) * filter(4) smlal2 v27.4s, v16.8h, v2.h[3] // p0(topleft) * filter(0) smlal2 v27.4s, v21.8h, v5.h[3] // p5(left[0]) * filter(5) smlal2 v27.4s, v22.8h, v5.h[7] // p6(left[1]) * filter(6) subs w3, w3, #16 sqrshrun v6.4h, v26.4s, #4 sqrshrun2 v6.8h, v27.4s, #4 .endif smin v6.8h, v6.8h, v31.8h ins v0.h[2], v2.h[7] st4 {v3.d, v4.d, v5.d, v6.d}[0], [x0], #32 ins v0.h[0], v6.h[7] st4 {v3.d, v4.d, v5.d, v6.d}[1], [x6], #32 ins v0.h[1], v6.h[3] b.gt 2b subs w4, w4, #2 b.le 9f sub x8, x6, w9, uxtw #1 add x0, x0, x1 add x6, x6, x1 mov w3, w9 b 1b 9: ret endfunc jumptable ipred_filter\bpc\()_tbl .word 320b - ipred_filter\bpc\()_tbl .word 160b - ipred_filter\bpc\()_tbl .word 80b - ipred_filter\bpc\()_tbl .word 40b - ipred_filter\bpc\()_tbl endjumptable .endm filter_fn 10 filter_fn 12 function ipred_filter_16bpc_neon, export=1 ldr w8, [sp] cmp w8, 0x3ff b.le ipred_filter_10bpc_neon b ipred_filter_12bpc_neon endfunc // void pal_pred_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const pal, const uint8_t *idx, // const int w, const int h); function pal_pred_16bpc_neon, export=1 ld1 {v30.8h}, [x2] clz w9, w4 movrel x6, pal_pred_tbl sub w9, w9, #25 movi v29.16b, #7 ldrsw x9, [x6, w9, uxtw #2] movi v31.8h, #1, lsl #8 add x6, x6, x9 br x6 40: AARCH64_VALID_JUMP_TARGET add x2, x0, x1 lsl x1, x1, #1 4: ld1 {v1.8b}, [x3], #8 subs w5, w5, #4 ushr v3.8b, v1.8b, #4 and v2.8b, v1.8b, v29.8b zip1 v1.16b, v2.16b, v3.16b // Restructure v1 from a, b, c, ... into 2*a, 2*a+1, 2*b, 2*b+1, 2*c, 2*c+1, ... add v1.16b, v1.16b, v1.16b zip1 v0.16b, v1.16b, v1.16b zip2 v1.16b, v1.16b, v1.16b add v0.8h, v0.8h, v31.8h add v1.8h, v1.8h, v31.8h tbl v0.16b, {v30.16b}, v0.16b st1 {v0.d}[0], [x0], x1 tbl v1.16b, {v30.16b}, v1.16b st1 {v0.d}[1], [x2], x1 st1 {v1.d}[0], [x0], x1 st1 {v1.d}[1], [x2], x1 b.gt 4b ret 80: AARCH64_VALID_JUMP_TARGET add x2, x0, x1 lsl x1, x1, #1 8: ld1 {v2.16b}, [x3], #16 subs w5, w5, #4 ushr v4.16b, v2.16b, #4 and v3.16b, v2.16b, v29.16b zip1 v2.16b, v3.16b, v4.16b zip2 v3.16b, v3.16b, v4.16b add v2.16b, v2.16b, v2.16b add v3.16b, v3.16b, v3.16b zip1 v0.16b, v2.16b, v2.16b zip2 v1.16b, v2.16b, v2.16b zip1 v2.16b, v3.16b, v3.16b zip2 v3.16b, v3.16b, v3.16b add v0.8h, v0.8h, v31.8h add v1.8h, v1.8h, v31.8h add v2.8h, v2.8h, v31.8h add v3.8h, v3.8h, v31.8h tbl v0.16b, {v30.16b}, v0.16b tbl v1.16b, {v30.16b}, v1.16b st1 {v0.8h}, [x0], x1 tbl v2.16b, {v30.16b}, v2.16b st1 {v1.8h}, [x2], x1 tbl v3.16b, {v30.16b}, v3.16b st1 {v2.8h}, [x0], x1 st1 {v3.8h}, [x2], x1 b.gt 8b ret 160: AARCH64_VALID_JUMP_TARGET add x2, x0, x1 lsl x1, x1, #1 16: ld1 {v4.16b, v5.16b}, [x3], #32 subs w5, w5, #4 ushr v7.16b, v4.16b, #4 and v6.16b, v4.16b, v29.16b ushr v3.16b, v5.16b, #4 and v2.16b, v5.16b, v29.16b zip1 v4.16b, v6.16b, v7.16b zip2 v5.16b, v6.16b, v7.16b zip1 v6.16b, v2.16b, v3.16b zip2 v7.16b, v2.16b, v3.16b add v4.16b, v4.16b, v4.16b add v5.16b, v5.16b, v5.16b add v6.16b, v6.16b, v6.16b add v7.16b, v7.16b, v7.16b zip1 v0.16b, v4.16b, v4.16b zip2 v1.16b, v4.16b, v4.16b zip1 v2.16b, v5.16b, v5.16b zip2 v3.16b, v5.16b, v5.16b zip1 v4.16b, v6.16b, v6.16b zip2 v5.16b, v6.16b, v6.16b zip1 v6.16b, v7.16b, v7.16b zip2 v7.16b, v7.16b, v7.16b add v0.8h, v0.8h, v31.8h add v1.8h, v1.8h, v31.8h add v2.8h, v2.8h, v31.8h add v3.8h, v3.8h, v31.8h add v4.8h, v4.8h, v31.8h tbl v0.16b, {v30.16b}, v0.16b add v5.8h, v5.8h, v31.8h tbl v1.16b, {v30.16b}, v1.16b add v6.8h, v6.8h, v31.8h tbl v2.16b, {v30.16b}, v2.16b add v7.8h, v7.8h, v31.8h tbl v3.16b, {v30.16b}, v3.16b tbl v4.16b, {v30.16b}, v4.16b tbl v5.16b, {v30.16b}, v5.16b st1 {v0.8h, v1.8h}, [x0], x1 tbl v6.16b, {v30.16b}, v6.16b st1 {v2.8h, v3.8h}, [x2], x1 tbl v7.16b, {v30.16b}, v7.16b st1 {v4.8h, v5.8h}, [x0], x1 st1 {v6.8h, v7.8h}, [x2], x1 b.gt 16b ret 320: AARCH64_VALID_JUMP_TARGET add x2, x0, x1 lsl x1, x1, #1 32: ld1 {v4.16b, v5.16b}, [x3], #32 subs w5, w5, #2 ushr v7.16b, v4.16b, #4 and v6.16b, v4.16b, v29.16b ushr v3.16b, v5.16b, #4 and v2.16b, v5.16b, v29.16b zip1 v4.16b, v6.16b, v7.16b zip2 v5.16b, v6.16b, v7.16b zip1 v6.16b, v2.16b, v3.16b zip2 v7.16b, v2.16b, v3.16b add v4.16b, v4.16b, v4.16b add v5.16b, v5.16b, v5.16b add v6.16b, v6.16b, v6.16b add v7.16b, v7.16b, v7.16b zip1 v0.16b, v4.16b, v4.16b zip2 v1.16b, v4.16b, v4.16b zip1 v2.16b, v5.16b, v5.16b zip2 v3.16b, v5.16b, v5.16b zip1 v4.16b, v6.16b, v6.16b zip2 v5.16b, v6.16b, v6.16b zip1 v6.16b, v7.16b, v7.16b zip2 v7.16b, v7.16b, v7.16b add v0.8h, v0.8h, v31.8h add v1.8h, v1.8h, v31.8h add v2.8h, v2.8h, v31.8h add v3.8h, v3.8h, v31.8h add v4.8h, v4.8h, v31.8h tbl v0.16b, {v30.16b}, v0.16b add v5.8h, v5.8h, v31.8h tbl v1.16b, {v30.16b}, v1.16b add v6.8h, v6.8h, v31.8h tbl v2.16b, {v30.16b}, v2.16b add v7.8h, v7.8h, v31.8h tbl v3.16b, {v30.16b}, v3.16b tbl v4.16b, {v30.16b}, v4.16b tbl v5.16b, {v30.16b}, v5.16b st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 tbl v6.16b, {v30.16b}, v6.16b tbl v7.16b, {v30.16b}, v7.16b st1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2], x1 b.gt 32b ret 640: AARCH64_VALID_JUMP_TARGET add x2, x0, #64 64: ld1 {v4.16b, v5.16b}, [x3], #32 subs w5, w5, #1 ushr v7.16b, v4.16b, #4 and v6.16b, v4.16b, v29.16b ushr v3.16b, v5.16b, #4 and v2.16b, v5.16b, v29.16b zip1 v4.16b, v6.16b, v7.16b zip2 v5.16b, v6.16b, v7.16b zip1 v6.16b, v2.16b, v3.16b zip2 v7.16b, v2.16b, v3.16b add v4.16b, v4.16b, v4.16b add v5.16b, v5.16b, v5.16b add v6.16b, v6.16b, v6.16b add v7.16b, v7.16b, v7.16b zip1 v0.16b, v4.16b, v4.16b zip2 v1.16b, v4.16b, v4.16b zip1 v2.16b, v5.16b, v5.16b zip2 v3.16b, v5.16b, v5.16b zip1 v4.16b, v6.16b, v6.16b zip2 v5.16b, v6.16b, v6.16b zip1 v6.16b, v7.16b, v7.16b zip2 v7.16b, v7.16b, v7.16b add v0.8h, v0.8h, v31.8h add v1.8h, v1.8h, v31.8h add v2.8h, v2.8h, v31.8h add v3.8h, v3.8h, v31.8h add v4.8h, v4.8h, v31.8h tbl v0.16b, {v30.16b}, v0.16b add v5.8h, v5.8h, v31.8h tbl v1.16b, {v30.16b}, v1.16b add v6.8h, v6.8h, v31.8h tbl v2.16b, {v30.16b}, v2.16b add v7.8h, v7.8h, v31.8h tbl v3.16b, {v30.16b}, v3.16b tbl v4.16b, {v30.16b}, v4.16b tbl v5.16b, {v30.16b}, v5.16b st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 tbl v6.16b, {v30.16b}, v6.16b tbl v7.16b, {v30.16b}, v7.16b st1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2], x1 b.gt 64b ret endfunc jumptable pal_pred_tbl .word 640b - pal_pred_tbl .word 320b - pal_pred_tbl .word 160b - pal_pred_tbl .word 80b - pal_pred_tbl .word 40b - pal_pred_tbl endjumptable // void ipred_cfl_128_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, // const int16_t *ac, const int alpha, // const int bitdepth_max); function ipred_cfl_128_16bpc_neon, export=1 dup v31.8h, w7 // bitdepth_max clz w9, w3 movrel x7, ipred_cfl_128_tbl sub w9, w9, #26 ldrsw x9, [x7, w9, uxtw #2] urshr v0.8h, v31.8h, #1 dup v1.8h, w6 // alpha add x7, x7, x9 add x6, x0, x1 lsl x1, x1, #1 movi v30.8h, #0 br x7 L(ipred_cfl_splat_w4): AARCH64_VALID_JUMP_TARGET 1: ld1 {v4.8h, v5.8h}, [x5], #32 subs w4, w4, #4 smull v2.4s, v4.4h, v1.4h // diff = ac * alpha smull2 v3.4s, v4.8h, v1.8h smull v4.4s, v5.4h, v1.4h smull2 v5.4s, v5.8h, v1.8h cmlt v16.4s, v2.4s, #0 // sign cmlt v17.4s, v3.4s, #0 cmlt v18.4s, v4.4s, #0 cmlt v19.4s, v5.4s, #0 add v2.4s, v2.4s, v16.4s // diff + sign add v3.4s, v3.4s, v17.4s add v4.4s, v4.4s, v18.4s add v5.4s, v5.4s, v19.4s rshrn v2.4h, v2.4s, #6 // (diff + sign + 32) >> 6 = apply_sign() rshrn2 v2.8h, v3.4s, #6 rshrn v3.4h, v4.4s, #6 rshrn2 v3.8h, v5.4s, #6 add v2.8h, v2.8h, v0.8h // dc + apply_sign() add v3.8h, v3.8h, v0.8h smax v2.8h, v2.8h, v30.8h smax v3.8h, v3.8h, v30.8h smin v2.8h, v2.8h, v31.8h smin v3.8h, v3.8h, v31.8h st1 {v2.d}[0], [x0], x1 st1 {v2.d}[1], [x6], x1 st1 {v3.d}[0], [x0], x1 st1 {v3.d}[1], [x6], x1 b.gt 1b ret L(ipred_cfl_splat_w8): AARCH64_VALID_JUMP_TARGET 1: ld1 {v4.8h, v5.8h}, [x5], #32 subs w4, w4, #2 smull v2.4s, v4.4h, v1.4h // diff = ac * alpha smull2 v3.4s, v4.8h, v1.8h smull v4.4s, v5.4h, v1.4h smull2 v5.4s, v5.8h, v1.8h cmlt v16.4s, v2.4s, #0 // sign cmlt v17.4s, v3.4s, #0 cmlt v18.4s, v4.4s, #0 cmlt v19.4s, v5.4s, #0 add v2.4s, v2.4s, v16.4s // diff + sign add v3.4s, v3.4s, v17.4s add v4.4s, v4.4s, v18.4s add v5.4s, v5.4s, v19.4s rshrn v2.4h, v2.4s, #6 // (diff + sign + 32) >> 6 = apply_sign() rshrn2 v2.8h, v3.4s, #6 rshrn v3.4h, v4.4s, #6 rshrn2 v3.8h, v5.4s, #6 add v2.8h, v2.8h, v0.8h // dc + apply_sign() add v3.8h, v3.8h, v0.8h smax v2.8h, v2.8h, v30.8h smax v3.8h, v3.8h, v30.8h smin v2.8h, v2.8h, v31.8h smin v3.8h, v3.8h, v31.8h st1 {v2.8h}, [x0], x1 st1 {v3.8h}, [x6], x1 b.gt 1b ret L(ipred_cfl_splat_w16): AARCH64_VALID_JUMP_TARGET add x7, x5, w3, uxtw #1 sub x1, x1, w3, uxtw #1 mov w9, w3 1: ld1 {v2.8h, v3.8h}, [x5], #32 ld1 {v4.8h, v5.8h}, [x7], #32 subs w3, w3, #16 smull v16.4s, v2.4h, v1.4h // diff = ac * alpha smull2 v17.4s, v2.8h, v1.8h smull v18.4s, v3.4h, v1.4h smull2 v19.4s, v3.8h, v1.8h smull v2.4s, v4.4h, v1.4h smull2 v3.4s, v4.8h, v1.8h smull v4.4s, v5.4h, v1.4h smull2 v5.4s, v5.8h, v1.8h cmlt v20.4s, v16.4s, #0 // sign cmlt v21.4s, v17.4s, #0 cmlt v22.4s, v18.4s, #0 cmlt v23.4s, v19.4s, #0 cmlt v24.4s, v2.4s, #0 cmlt v25.4s, v3.4s, #0 cmlt v26.4s, v4.4s, #0 cmlt v27.4s, v5.4s, #0 add v16.4s, v16.4s, v20.4s // diff + sign add v17.4s, v17.4s, v21.4s add v18.4s, v18.4s, v22.4s add v19.4s, v19.4s, v23.4s add v2.4s, v2.4s, v24.4s add v3.4s, v3.4s, v25.4s add v4.4s, v4.4s, v26.4s add v5.4s, v5.4s, v27.4s rshrn v16.4h, v16.4s, #6 // (diff + sign + 32) >> 6 = apply_sign() rshrn2 v16.8h, v17.4s, #6 rshrn v17.4h, v18.4s, #6 rshrn2 v17.8h, v19.4s, #6 rshrn v6.4h, v2.4s, #6 rshrn2 v6.8h, v3.4s, #6 rshrn v7.4h, v4.4s, #6 rshrn2 v7.8h, v5.4s, #6 add v2.8h, v16.8h, v0.8h // dc + apply_sign() add v3.8h, v17.8h, v0.8h add v4.8h, v6.8h, v0.8h add v5.8h, v7.8h, v0.8h smax v2.8h, v2.8h, v30.8h smax v3.8h, v3.8h, v30.8h smax v4.8h, v4.8h, v30.8h smax v5.8h, v5.8h, v30.8h smin v2.8h, v2.8h, v31.8h smin v3.8h, v3.8h, v31.8h smin v4.8h, v4.8h, v31.8h smin v5.8h, v5.8h, v31.8h st1 {v2.8h, v3.8h}, [x0], #32 st1 {v4.8h, v5.8h}, [x6], #32 b.gt 1b subs w4, w4, #2 add x5, x5, w9, uxtw #1 add x7, x7, w9, uxtw #1 add x0, x0, x1 add x6, x6, x1 mov w3, w9 b.gt 1b ret endfunc jumptable ipred_cfl_128_tbl ipred_cfl_splat_tbl: .word L(ipred_cfl_splat_w16) - ipred_cfl_128_tbl .word L(ipred_cfl_splat_w16) - ipred_cfl_128_tbl .word L(ipred_cfl_splat_w8) - ipred_cfl_128_tbl .word L(ipred_cfl_splat_w4) - ipred_cfl_128_tbl endjumptable // void ipred_cfl_top_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, // const int16_t *ac, const int alpha, // const int bitdepth_max); function ipred_cfl_top_16bpc_neon, export=1 dup v31.8h, w7 // bitdepth_max clz w9, w3 movrel x7, ipred_cfl_top_tbl sub w9, w9, #26 ldrsw x9, [x7, w9, uxtw #2] dup v1.8h, w6 // alpha add x2, x2, #2 add x7, x7, x9 add x6, x0, x1 lsl x1, x1, #1 movi v30.8h, #0 br x7 4: AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2] addv h0, v0.4h urshr v0.4h, v0.4h, #2 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w4) 8: AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2] addv h0, v0.8h urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w8) 16: AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h}, [x2] addp v0.8h, v2.8h, v3.8h addv h0, v0.8h urshr v0.4h, v0.4h, #4 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w16) 32: AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h, v4.8h, v5.8h}, [x2] addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v0.8h, v2.8h, v4.8h uaddlv s0, v0.8h rshrn v0.4h, v0.4s, #5 dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w16) endfunc jumptable ipred_cfl_top_tbl .word 32b - ipred_cfl_top_tbl .word 16b - ipred_cfl_top_tbl .word 8b - ipred_cfl_top_tbl .word 4b - ipred_cfl_top_tbl endjumptable // void ipred_cfl_left_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, // const int16_t *ac, const int alpha, // const int bitdepth_max); function ipred_cfl_left_16bpc_neon, export=1 dup v31.8h, w7 // bitdepth_max sub x2, x2, w4, uxtw #1 clz w9, w3 clz w8, w4 movrel x10, ipred_cfl_splat_tbl movrel x7, ipred_cfl_left_tbl sub w9, w9, #26 sub w8, w8, #26 ldrsw x9, [x10, w9, uxtw #2] ldrsw x8, [x7, w8, uxtw #2] dup v1.8h, w6 // alpha add x9, x10, x9 add x7, x7, x8 add x6, x0, x1 lsl x1, x1, #1 movi v30.8h, #0 br x7 L(ipred_cfl_left_h4): AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2] addv h0, v0.4h urshr v0.4h, v0.4h, #2 dup v0.8h, v0.h[0] br x9 L(ipred_cfl_left_h8): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2] addv h0, v0.8h urshr v0.4h, v0.4h, #3 dup v0.8h, v0.h[0] br x9 L(ipred_cfl_left_h16): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h}, [x2] addp v0.8h, v2.8h, v3.8h addv h0, v0.8h urshr v0.4h, v0.4h, #4 dup v0.8h, v0.h[0] br x9 L(ipred_cfl_left_h32): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h, v4.8h, v5.8h}, [x2] addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v0.8h, v2.8h, v4.8h uaddlv s0, v0.8h rshrn v0.4h, v0.4s, #5 dup v0.8h, v0.h[0] br x9 endfunc jumptable ipred_cfl_left_tbl .word L(ipred_cfl_left_h32) - ipred_cfl_left_tbl .word L(ipred_cfl_left_h16) - ipred_cfl_left_tbl .word L(ipred_cfl_left_h8) - ipred_cfl_left_tbl .word L(ipred_cfl_left_h4) - ipred_cfl_left_tbl endjumptable // void ipred_cfl_16bpc_neon(pixel *dst, const ptrdiff_t stride, // const pixel *const topleft, // const int width, const int height, // const int16_t *ac, const int alpha, // const int bitdepth_max); function ipred_cfl_16bpc_neon, export=1 dup v31.8h, w7 // bitdepth_max sub x2, x2, w4, uxtw #1 add w8, w3, w4 // width + height dup v1.8h, w6 // alpha clz w9, w3 clz w6, w4 dup v16.4s, w8 // width + height movrel x7, ipred_cfl_tbl rbit w8, w8 // rbit(width + height) sub w9, w9, #22 // 26 leading bits, minus table offset 4 sub w6, w6, #26 clz w8, w8 // ctz(width + height) ldrsw x9, [x7, w9, uxtw #2] ldrsw x6, [x7, w6, uxtw #2] neg w8, w8 // -ctz(width + height) add x9, x7, x9 add x7, x7, x6 ushr v16.4s, v16.4s, #1 // (width + height) >> 1 dup v17.4s, w8 // -ctz(width + height) add x6, x0, x1 lsl x1, x1, #1 movi v30.8h, #0 br x7 L(ipred_cfl_h4): AARCH64_VALID_JUMP_TARGET ld1 {v0.4h}, [x2], #8 uaddlv s0, v0.4h add x2, x2, #2 br x9 L(ipred_cfl_w4): AARCH64_VALID_JUMP_TARGET ld1 {v2.4h}, [x2] add v0.2s, v0.2s, v16.2s uaddlv s2, v2.4h cmp w4, #4 add v0.2s, v0.2s, v2.2s ushl v0.2s, v0.2s, v17.2s b.eq 1f // h = 8/16 cmp w4, #16 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v0.2s, v0.2s, v16.2s ushr v0.2s, v0.2s, #17 1: dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w4) L(ipred_cfl_h8): AARCH64_VALID_JUMP_TARGET ld1 {v0.8h}, [x2], #16 uaddlv s0, v0.8h add x2, x2, #2 br x9 L(ipred_cfl_w8): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h}, [x2] add v0.2s, v0.2s, v16.2s uaddlv s2, v2.8h cmp w4, #8 add v0.2s, v0.2s, v2.2s ushl v0.2s, v0.2s, v17.2s b.eq 1f // h = 4/16/32 cmp w4, #32 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v0.2s, v0.2s, v16.2s ushr v0.2s, v0.2s, #17 1: dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w8) L(ipred_cfl_h16): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h}, [x2], #32 addp v0.8h, v2.8h, v3.8h add x2, x2, #2 uaddlv s0, v0.8h br x9 L(ipred_cfl_w16): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h}, [x2] add v0.2s, v0.2s, v16.2s addp v2.8h, v2.8h, v3.8h uaddlv s2, v2.8h cmp w4, #16 add v0.2s, v0.2s, v2.2s ushl v0.2s, v0.2s, v17.2s b.eq 1f // h = 4/8/32 tst w4, #(32+16+8) // 16 added to make a consecutive bitmask mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v0.2s, v0.2s, v16.2s ushr v0.2s, v0.2s, #17 1: dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w16) L(ipred_cfl_h32): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h, v4.8h, v5.8h}, [x2], #64 addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v0.8h, v2.8h, v4.8h add x2, x2, #2 uaddlv s0, v0.8h br x9 L(ipred_cfl_w32): AARCH64_VALID_JUMP_TARGET ld1 {v2.8h, v3.8h, v4.8h, v5.8h}, [x2] add v0.4s, v0.4s, v16.4s addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v2.8h, v2.8h, v4.8h cmp w4, #32 uaddlv s2, v2.8h add v0.2s, v0.2s, v2.2s ushl v0.2s, v0.2s, v17.2s b.eq 1f // h = 8/16 cmp w4, #8 mov w16, #0x6667 mov w17, #0xAAAB csel w16, w16, w17, eq dup v16.2s, w16 mul v0.2s, v0.2s, v16.2s ushr v0.2s, v0.2s, #17 1: dup v0.8h, v0.h[0] b L(ipred_cfl_splat_w16) endfunc jumptable ipred_cfl_tbl .word L(ipred_cfl_h32) - ipred_cfl_tbl .word L(ipred_cfl_h16) - ipred_cfl_tbl .word L(ipred_cfl_h8) - ipred_cfl_tbl .word L(ipred_cfl_h4) - ipred_cfl_tbl .word L(ipred_cfl_w32) - ipred_cfl_tbl .word L(ipred_cfl_w16) - ipred_cfl_tbl .word L(ipred_cfl_w8) - ipred_cfl_tbl .word L(ipred_cfl_w4) - ipred_cfl_tbl endjumptable // void cfl_ac_420_16bpc_neon(int16_t *const ac, const pixel *const ypx, // const ptrdiff_t stride, const int w_pad, // const int h_pad, const int cw, const int ch); function ipred_cfl_ac_420_16bpc_neon, export=1 clz w8, w5 lsl w4, w4, #2 movrel x7, ipred_cfl_ac_420_tbl sub w8, w8, #27 ldrsw x8, [x7, w8, uxtw #2] movi v24.4s, #0 movi v25.4s, #0 movi v26.4s, #0 movi v27.4s, #0 add x7, x7, x8 sub w8, w6, w4 // height - h_pad rbit w9, w5 // rbit(width) rbit w10, w6 // rbit(height) clz w9, w9 // ctz(width) clz w10, w10 // ctz(height) add w9, w9, w10 // log2sz add x10, x1, x2 dup v31.4s, w9 lsl x2, x2, #1 neg v31.4s, v31.4s // -log2sz br x7 L(ipred_cfl_ac_420_w4): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input ld1 {v0.8h}, [x1], x2 ld1 {v1.8h}, [x10], x2 ld1 {v2.8h}, [x1], x2 ld1 {v3.8h}, [x10], x2 addp v0.8h, v0.8h, v2.8h addp v1.8h, v1.8h, v3.8h add v0.8h, v0.8h, v1.8h shl v0.8h, v0.8h, #1 subs w8, w8, #2 st1 {v0.8h}, [x0], #16 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h b.gt 1b trn2 v1.2d, v0.2d, v0.2d trn2 v0.2d, v0.2d, v0.2d L(ipred_cfl_ac_420_w4_hpad): cbz w4, 3f 2: // Vertical padding (h_pad > 0) subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h b.gt 2b 3: L(ipred_cfl_ac_420_w4_calc_subtract_dc): // Aggregate the sums add v24.4s, v24.4s, v25.4s add v26.4s, v26.4s, v27.4s add v0.4s, v24.4s, v26.4s addv s0, v0.4s // sum sub x0, x0, w6, uxtw #3 urshl v4.2s, v0.2s, v31.2s // (sum + (1 << (log2sz - 1))) >>= log2sz dup v4.8h, v4.h[0] 6: // Subtract dc from ac ld1 {v0.8h, v1.8h}, [x0] subs w6, w6, #4 sub v0.8h, v0.8h, v4.8h sub v1.8h, v1.8h, v4.8h st1 {v0.8h, v1.8h}, [x0], #32 b.gt 6b ret L(ipred_cfl_ac_420_w8): AARCH64_VALID_JUMP_TARGET cbnz w3, L(ipred_cfl_ac_420_w8_wpad) 1: // Copy and subsample input, without padding ld1 {v0.8h, v1.8h}, [x1], x2 ld1 {v2.8h, v3.8h}, [x10], x2 ld1 {v4.8h, v5.8h}, [x1], x2 addp v0.8h, v0.8h, v1.8h ld1 {v6.8h, v7.8h}, [x10], x2 addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h add v0.8h, v0.8h, v2.8h add v4.8h, v4.8h, v6.8h shl v0.8h, v0.8h, #1 shl v1.8h, v4.8h, #1 subs w8, w8, #2 st1 {v0.8h, v1.8h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h b.gt 1b mov v0.16b, v1.16b b L(ipred_cfl_ac_420_w8_hpad) L(ipred_cfl_ac_420_w8_wpad): 1: // Copy and subsample input, padding 4 ld1 {v0.8h}, [x1], x2 ld1 {v1.8h}, [x10], x2 ld1 {v2.8h}, [x1], x2 ld1 {v3.8h}, [x10], x2 addp v0.8h, v0.8h, v2.8h addp v1.8h, v1.8h, v3.8h add v0.8h, v0.8h, v1.8h shl v0.8h, v0.8h, #1 dup v1.4h, v0.h[3] dup v3.4h, v0.h[7] trn2 v2.2d, v0.2d, v0.2d subs w8, w8, #2 st1 {v0.4h, v1.4h, v2.4h, v3.4h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw v25.4s, v25.4s, v1.4h uaddw v26.4s, v26.4s, v2.4h uaddw v27.4s, v27.4s, v3.4h b.gt 1b trn1 v0.2d, v2.2d, v3.2d trn1 v1.2d, v2.2d, v3.2d L(ipred_cfl_ac_420_w8_hpad): cbz w4, 3f 2: // Vertical padding (h_pad > 0) subs w4, w4, #4 st1 {v0.8h, v1.8h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h st1 {v0.8h, v1.8h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h b.gt 2b 3: // Double the height and reuse the w4 summing/subtracting lsl w6, w6, #1 b L(ipred_cfl_ac_420_w4_calc_subtract_dc) L(ipred_cfl_ac_420_w16): AARCH64_VALID_JUMP_TARGET movrel x7, ipred_cfl_ac_420_w16_tbl ldrsw x3, [x7, w3, uxtw #2] add x7, x7, x3 br x7 L(ipred_cfl_ac_420_w16_wpad0): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, without padding ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x1], x2 ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x10], x2 addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h ld1 {v16.8h, v17.8h, v18.8h, v19.8h}, [x1], x2 add v0.8h, v0.8h, v4.8h ld1 {v20.8h, v21.8h, v22.8h, v23.8h}, [x10], x2 add v2.8h, v2.8h, v6.8h addp v16.8h, v16.8h, v17.8h addp v18.8h, v18.8h, v19.8h addp v20.8h, v20.8h, v21.8h addp v22.8h, v22.8h, v23.8h add v16.8h, v16.8h, v20.8h add v18.8h, v18.8h, v22.8h shl v0.8h, v0.8h, #1 shl v1.8h, v2.8h, #1 shl v2.8h, v16.8h, #1 shl v3.8h, v18.8h, #1 subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_420_w16_wpad1): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, padding 4 ldr q2, [x1, #32] ld1 {v0.8h, v1.8h}, [x1], x2 ldr q5, [x10, #32] ld1 {v3.8h, v4.8h}, [x10], x2 addp v2.8h, v2.8h, v2.8h addp v0.8h, v0.8h, v1.8h addp v5.8h, v5.8h, v5.8h addp v3.8h, v3.8h, v4.8h ldr q18, [x1, #32] add v2.4h, v2.4h, v5.4h ld1 {v16.8h, v17.8h}, [x1], x2 add v0.8h, v0.8h, v3.8h ldr q21, [x10, #32] ld1 {v19.8h, v20.8h}, [x10], x2 addp v18.8h, v18.8h, v18.8h addp v16.8h, v16.8h, v17.8h addp v21.8h, v21.8h, v21.8h addp v19.8h, v19.8h, v20.8h add v18.4h, v18.4h, v21.4h add v16.8h, v16.8h, v19.8h shl v1.4h, v2.4h, #1 shl v0.8h, v0.8h, #1 shl v3.4h, v18.4h, #1 shl v2.8h, v16.8h, #1 dup v4.4h, v1.h[3] dup v5.4h, v3.h[3] trn1 v1.2d, v1.2d, v4.2d trn1 v3.2d, v3.2d, v5.2d subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_420_w16_wpad2): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, padding 8 ld1 {v0.8h, v1.8h}, [x1], x2 ld1 {v2.8h, v3.8h}, [x10], x2 ld1 {v4.8h, v5.8h}, [x1], x2 addp v0.8h, v0.8h, v1.8h ld1 {v6.8h, v7.8h}, [x10], x2 addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h add v0.8h, v0.8h, v2.8h add v4.8h, v4.8h, v6.8h shl v0.8h, v0.8h, #1 shl v2.8h, v4.8h, #1 dup v1.8h, v0.h[7] dup v3.8h, v2.h[7] subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_420_w16_wpad3): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, padding 12 ld1 {v0.8h}, [x1], x2 ld1 {v2.8h}, [x10], x2 ld1 {v4.8h}, [x1], x2 ld1 {v6.8h}, [x10], x2 addp v0.8h, v0.8h, v4.8h addp v2.8h, v2.8h, v6.8h add v0.8h, v0.8h, v2.8h shl v0.8h, v0.8h, #1 dup v1.8h, v0.h[3] dup v3.8h, v0.h[7] trn2 v2.2d, v0.2d, v3.2d trn1 v0.2d, v0.2d, v1.2d subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b L(ipred_cfl_ac_420_w16_hpad): cbz w4, 3f 2: // Vertical padding (h_pad > 0) subs w4, w4, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 2b 3: // Quadruple the height and reuse the w4 summing/subtracting lsl w6, w6, #2 b L(ipred_cfl_ac_420_w4_calc_subtract_dc) endfunc jumptable ipred_cfl_ac_420_tbl .word L(ipred_cfl_ac_420_w16) - ipred_cfl_ac_420_tbl .word L(ipred_cfl_ac_420_w8) - ipred_cfl_ac_420_tbl .word L(ipred_cfl_ac_420_w4) - ipred_cfl_ac_420_tbl endjumptable jumptable ipred_cfl_ac_420_w16_tbl .word L(ipred_cfl_ac_420_w16_wpad0) - ipred_cfl_ac_420_w16_tbl .word L(ipred_cfl_ac_420_w16_wpad1) - ipred_cfl_ac_420_w16_tbl .word L(ipred_cfl_ac_420_w16_wpad2) - ipred_cfl_ac_420_w16_tbl .word L(ipred_cfl_ac_420_w16_wpad3) - ipred_cfl_ac_420_w16_tbl endjumptable // void cfl_ac_422_16bpc_neon(int16_t *const ac, const pixel *const ypx, // const ptrdiff_t stride, const int w_pad, // const int h_pad, const int cw, const int ch); function ipred_cfl_ac_422_16bpc_neon, export=1 clz w8, w5 lsl w4, w4, #2 movrel x7, ipred_cfl_ac_422_tbl sub w8, w8, #27 ldrsw x8, [x7, w8, uxtw #2] movi v24.4s, #0 movi v25.4s, #0 movi v26.4s, #0 movi v27.4s, #0 add x7, x7, x8 sub w8, w6, w4 // height - h_pad rbit w9, w5 // rbit(width) rbit w10, w6 // rbit(height) clz w9, w9 // ctz(width) clz w10, w10 // ctz(height) add w9, w9, w10 // log2sz add x10, x1, x2 dup v31.4s, w9 lsl x2, x2, #1 neg v31.4s, v31.4s // -log2sz br x7 L(ipred_cfl_ac_422_w4): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input ld1 {v0.8h}, [x1], x2 ld1 {v1.8h}, [x10], x2 ld1 {v2.8h}, [x1], x2 ld1 {v3.8h}, [x10], x2 addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h shl v0.8h, v0.8h, #2 shl v1.8h, v2.8h, #2 subs w8, w8, #4 st1 {v0.8h, v1.8h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h b.gt 1b trn2 v0.2d, v1.2d, v1.2d trn2 v1.2d, v1.2d, v1.2d b L(ipred_cfl_ac_420_w4_hpad) L(ipred_cfl_ac_422_w8): AARCH64_VALID_JUMP_TARGET cbnz w3, L(ipred_cfl_ac_422_w8_wpad) 1: // Copy and subsample input, without padding ld1 {v0.8h, v1.8h}, [x1], x2 ld1 {v2.8h, v3.8h}, [x10], x2 ld1 {v4.8h, v5.8h}, [x1], x2 addp v0.8h, v0.8h, v1.8h ld1 {v6.8h, v7.8h}, [x10], x2 addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h shl v0.8h, v0.8h, #2 shl v1.8h, v2.8h, #2 shl v2.8h, v4.8h, #2 shl v3.8h, v6.8h, #2 subs w8, w8, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v3.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w8_hpad) L(ipred_cfl_ac_422_w8_wpad): 1: // Copy and subsample input, padding 4 ld1 {v0.8h}, [x1], x2 ld1 {v1.8h}, [x10], x2 ld1 {v2.8h}, [x1], x2 ld1 {v3.8h}, [x10], x2 addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h shl v0.8h, v0.8h, #2 shl v2.8h, v2.8h, #2 dup v4.4h, v0.h[3] dup v5.8h, v0.h[7] dup v6.4h, v2.h[3] dup v7.8h, v2.h[7] trn2 v1.2d, v0.2d, v5.2d trn1 v0.2d, v0.2d, v4.2d trn2 v3.2d, v2.2d, v7.2d trn1 v2.2d, v2.2d, v6.2d subs w8, w8, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v3.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w8_hpad) L(ipred_cfl_ac_422_w16): AARCH64_VALID_JUMP_TARGET movrel x7, ipred_cfl_ac_422_w16_tbl ldrsw x3, [x7, w3, uxtw #2] add x7, x7, x3 br x7 L(ipred_cfl_ac_422_w16_wpad0): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, without padding ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x1], x2 ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x10], x2 addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h addp v4.8h, v4.8h, v5.8h addp v6.8h, v6.8h, v7.8h shl v0.8h, v0.8h, #2 shl v1.8h, v2.8h, #2 shl v2.8h, v4.8h, #2 shl v3.8h, v6.8h, #2 subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_422_w16_wpad1): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, padding 4 ldr q2, [x1, #32] ld1 {v0.8h, v1.8h}, [x1], x2 ldr q6, [x10, #32] ld1 {v4.8h, v5.8h}, [x10], x2 addp v2.8h, v2.8h, v2.8h addp v0.8h, v0.8h, v1.8h addp v6.8h, v6.8h, v6.8h addp v4.8h, v4.8h, v5.8h shl v1.4h, v2.4h, #2 shl v0.8h, v0.8h, #2 shl v3.4h, v6.4h, #2 shl v2.8h, v4.8h, #2 dup v4.4h, v1.h[3] dup v5.4h, v3.h[3] trn1 v1.2d, v1.2d, v4.2d trn1 v3.2d, v3.2d, v5.2d subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_422_w16_wpad2): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, padding 8 ld1 {v0.8h, v1.8h}, [x1], x2 ld1 {v2.8h, v3.8h}, [x10], x2 addp v0.8h, v0.8h, v1.8h addp v2.8h, v2.8h, v3.8h shl v0.8h, v0.8h, #2 shl v2.8h, v2.8h, #2 dup v1.8h, v0.h[7] dup v3.8h, v2.h[7] subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_422_w16_wpad3): AARCH64_VALID_JUMP_TARGET 1: // Copy and subsample input, padding 12 ld1 {v0.8h}, [x1], x2 ld1 {v2.8h}, [x10], x2 addp v0.8h, v0.8h, v0.8h addp v2.8h, v2.8h, v2.8h shl v0.4h, v0.4h, #2 shl v2.4h, v2.4h, #2 dup v1.8h, v0.h[3] dup v3.8h, v2.h[3] trn1 v0.2d, v0.2d, v1.2d trn1 v2.2d, v2.2d, v3.2d subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) endfunc jumptable ipred_cfl_ac_422_tbl .word L(ipred_cfl_ac_422_w16) - ipred_cfl_ac_422_tbl .word L(ipred_cfl_ac_422_w8) - ipred_cfl_ac_422_tbl .word L(ipred_cfl_ac_422_w4) - ipred_cfl_ac_422_tbl endjumptable jumptable ipred_cfl_ac_422_w16_tbl .word L(ipred_cfl_ac_422_w16_wpad0) - ipred_cfl_ac_422_w16_tbl .word L(ipred_cfl_ac_422_w16_wpad1) - ipred_cfl_ac_422_w16_tbl .word L(ipred_cfl_ac_422_w16_wpad2) - ipred_cfl_ac_422_w16_tbl .word L(ipred_cfl_ac_422_w16_wpad3) - ipred_cfl_ac_422_w16_tbl endjumptable // void cfl_ac_444_16bpc_neon(int16_t *const ac, const pixel *const ypx, // const ptrdiff_t stride, const int w_pad, // const int h_pad, const int cw, const int ch); function ipred_cfl_ac_444_16bpc_neon, export=1 clz w8, w5 lsl w4, w4, #2 movrel x7, ipred_cfl_ac_444_tbl sub w8, w8, #26 ldrsw x8, [x7, w8, uxtw #2] movi v24.4s, #0 movi v25.4s, #0 movi v26.4s, #0 movi v27.4s, #0 add x7, x7, x8 sub w8, w6, w4 // height - h_pad rbit w9, w5 // rbit(width) rbit w10, w6 // rbit(height) clz w9, w9 // ctz(width) clz w10, w10 // ctz(height) add w9, w9, w10 // log2sz add x10, x1, x2 dup v31.4s, w9 lsl x2, x2, #1 neg v31.4s, v31.4s // -log2sz br x7 L(ipred_cfl_ac_444_w4): AARCH64_VALID_JUMP_TARGET 1: // Copy and expand input ld1 {v0.4h}, [x1], x2 ld1 {v0.d}[1], [x10], x2 ld1 {v1.4h}, [x1], x2 ld1 {v1.d}[1], [x10], x2 shl v0.8h, v0.8h, #3 shl v1.8h, v1.8h, #3 subs w8, w8, #4 st1 {v0.8h, v1.8h}, [x0], #32 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h b.gt 1b trn2 v0.2d, v1.2d, v1.2d trn2 v1.2d, v1.2d, v1.2d b L(ipred_cfl_ac_420_w4_hpad) L(ipred_cfl_ac_444_w8): AARCH64_VALID_JUMP_TARGET 1: // Copy and expand input ld1 {v0.8h}, [x1], x2 ld1 {v1.8h}, [x10], x2 ld1 {v2.8h}, [x1], x2 shl v0.8h, v0.8h, #3 ld1 {v3.8h}, [x10], x2 shl v1.8h, v1.8h, #3 shl v2.8h, v2.8h, #3 shl v3.8h, v3.8h, #3 subs w8, w8, #4 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v3.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w8_hpad) L(ipred_cfl_ac_444_w16): AARCH64_VALID_JUMP_TARGET cbnz w3, L(ipred_cfl_ac_444_w16_wpad) 1: // Copy and expand input, without padding ld1 {v0.8h, v1.8h}, [x1], x2 ld1 {v2.8h, v3.8h}, [x10], x2 shl v0.8h, v0.8h, #3 shl v1.8h, v1.8h, #3 shl v2.8h, v2.8h, #3 shl v3.8h, v3.8h, #3 subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_444_w16_wpad): 1: // Copy and expand input, padding 8 ld1 {v0.8h}, [x1], x2 ld1 {v2.8h}, [x10], x2 shl v0.8h, v0.8h, #3 shl v2.8h, v2.8h, #3 dup v1.8h, v0.h[7] dup v3.8h, v2.h[7] subs w8, w8, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b mov v0.16b, v2.16b mov v1.16b, v3.16b b L(ipred_cfl_ac_420_w16_hpad) L(ipred_cfl_ac_444_w32): AARCH64_VALID_JUMP_TARGET movrel x7, ipred_cfl_ac_444_w32_tbl lsr w3, w3, #1 ldrsw x3, [x7, w3, uxtw #2] lsr x2, x2, #1 // Restore the stride to one line increments add x7, x7, x3 br x7 L(ipred_cfl_ac_444_w32_wpad0): AARCH64_VALID_JUMP_TARGET 1: // Copy and expand input, without padding ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x1], x2 shl v0.8h, v0.8h, #3 shl v1.8h, v1.8h, #3 shl v2.8h, v2.8h, #3 shl v3.8h, v3.8h, #3 subs w8, w8, #1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b b L(ipred_cfl_ac_444_w32_hpad) L(ipred_cfl_ac_444_w32_wpad2): AARCH64_VALID_JUMP_TARGET 1: // Copy and expand input, padding 8 ld1 {v0.8h, v1.8h, v2.8h}, [x1], x2 shl v2.8h, v2.8h, #3 shl v0.8h, v0.8h, #3 shl v1.8h, v1.8h, #3 dup v3.8h, v2.h[7] subs w8, w8, #1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b b L(ipred_cfl_ac_444_w32_hpad) L(ipred_cfl_ac_444_w32_wpad4): AARCH64_VALID_JUMP_TARGET 1: // Copy and expand input, padding 16 ld1 {v0.8h, v1.8h}, [x1], x2 shl v1.8h, v1.8h, #3 shl v0.8h, v0.8h, #3 dup v2.8h, v1.h[7] dup v3.8h, v1.h[7] subs w8, w8, #1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b b L(ipred_cfl_ac_444_w32_hpad) L(ipred_cfl_ac_444_w32_wpad6): AARCH64_VALID_JUMP_TARGET 1: // Copy and expand input, padding 24 ld1 {v0.8h}, [x1], x2 shl v0.8h, v0.8h, #3 dup v1.8h, v0.h[7] dup v2.8h, v0.h[7] dup v3.8h, v0.h[7] subs w8, w8, #1 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 1b L(ipred_cfl_ac_444_w32_hpad): cbz w4, 3f 2: // Vertical padding (h_pad > 0) subs w4, w4, #2 st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 uaddw v24.4s, v24.4s, v0.4h uaddw2 v25.4s, v25.4s, v0.8h uaddw v26.4s, v26.4s, v1.4h uaddw2 v27.4s, v27.4s, v1.8h uaddw v24.4s, v24.4s, v2.4h uaddw2 v25.4s, v25.4s, v2.8h uaddw v26.4s, v26.4s, v3.4h uaddw2 v27.4s, v27.4s, v3.8h b.gt 2b 3: // Multiply the height by eight and reuse the w4 subtracting lsl w6, w6, #3 b L(ipred_cfl_ac_420_w4_calc_subtract_dc) endfunc jumptable ipred_cfl_ac_444_tbl .word L(ipred_cfl_ac_444_w32) - ipred_cfl_ac_444_tbl .word L(ipred_cfl_ac_444_w16) - ipred_cfl_ac_444_tbl .word L(ipred_cfl_ac_444_w8) - ipred_cfl_ac_444_tbl .word L(ipred_cfl_ac_444_w4) - ipred_cfl_ac_444_tbl endjumptable jumptable ipred_cfl_ac_444_w32_tbl .word L(ipred_cfl_ac_444_w32_wpad0) - ipred_cfl_ac_444_w32_tbl .word L(ipred_cfl_ac_444_w32_wpad2) - ipred_cfl_ac_444_w32_tbl .word L(ipred_cfl_ac_444_w32_wpad4) - ipred_cfl_ac_444_w32_tbl .word L(ipred_cfl_ac_444_w32_wpad6) - ipred_cfl_ac_444_w32_tbl endjumptable
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2026-07-11