ref: 5c416dce1a1cdc7a4b9d7537fa47500bfeab07fa
dir: /src/x86/ipred.asm/
; Copyright © 2018, VideoLAN and dav1d authors ; Copyright © 2018, Two Orioles, LLC ; 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 "config.asm" %include "ext/x86/x86inc.asm" %if ARCH_X86_64 SECTION_RODATA 32 %macro SMOOTH_WEIGHT_TABLE 1-* %rep %0 db %1-128, 127-%1 %rotate 1 %endrep %endmacro ; sm_weights[], but modified to precalculate x and 256-x with offsets to ; enable efficient use of pmaddubsw (which requires signed values) smooth_weights: SMOOTH_WEIGHT_TABLE \ 0, 0, 255, 128, 255, 149, 85, 64, \ 255, 197, 146, 105, 73, 50, 37, 32, \ 255, 225, 196, 170, 145, 123, 102, 84, \ 68, 54, 43, 33, 26, 20, 17, 16, \ 255, 240, 225, 210, 196, 182, 169, 157, \ 145, 133, 122, 111, 101, 92, 83, 74, \ 66, 59, 52, 45, 39, 34, 29, 25, \ 21, 17, 14, 12, 10, 9, 8, 8, \ 255, 248, 240, 233, 225, 218, 210, 203, \ 196, 189, 182, 176, 169, 163, 156, 150, \ 144, 138, 133, 127, 121, 116, 111, 106, \ 101, 96, 91, 86, 82, 77, 73, 69, \ 65, 61, 57, 54, 50, 47, 44, 41, \ 38, 35, 32, 29, 27, 25, 22, 20, \ 18, 16, 15, 13, 12, 10, 9, 8, \ 7, 6, 6, 5, 5, 4, 4, 4 ipred_v_shuf: db 0, 1, 0, 1, 4, 5, 4, 5, 8, 9, 8, 9, 12, 13, 12, 13 db 2, 3, 2, 3, 6, 7, 6, 7, 10, 11, 10, 11, 14, 15, 14, 15 ipred_h_shuf: db 7, 7, 7, 7, 3, 3, 3, 3, 5, 5, 5, 5, 1, 1, 1, 1 db 6, 6, 6, 6, 2, 2, 2, 2, 4, 4, 4, 4, 0, 0, 0, 0 pb_1: times 4 db 1 pb_128: times 4 db 128 pw_128: times 2 dw 128 pw_255: times 2 dw 255 pb_127_m127: times 2 db 127, -127 %macro JMP_TABLE 3-* %xdefine %1_%2_table (%%table - 2*4) %xdefine %%base mangle(private_prefix %+ _%1_%2) %%table: %rep %0 - 2 dd %%base %+ .%3 - (%%table - 2*4) %rotate 1 %endrep %endmacro %define ipred_dc_splat_avx2_table (ipred_dc_avx2_table + 10*4) JMP_TABLE ipred_smooth, avx2, w4, w8, w16, w32, w64 JMP_TABLE ipred_smooth_v, avx2, w4, w8, w16, w32, w64 JMP_TABLE ipred_smooth_h, avx2, w4, w8, w16, w32, w64 JMP_TABLE ipred_paeth, avx2, w4, w8, w16, w32, w64 JMP_TABLE ipred_dc, avx2, h4, h8, h16, h32, h64, w4, w8, w16, w32, w64, \ s4-10*4, s8-10*4, s16-10*4, s32-10*4, s64-10*4 JMP_TABLE ipred_dc_left, avx2, h4, h8, h16, h32, h64 JMP_TABLE ipred_h, avx2, w4, w8, w16, w32, w64 SECTION .text INIT_YMM avx2 cglobal ipred_dc_top, 3, 7, 6, dst, stride, tl, w, h lea r5, [ipred_dc_left_avx2_table] tzcnt wd, wm inc tlq movu m0, [tlq] movifnidn hd, hm mov r6d, 0x8000 shrx r6d, r6d, wd movd xm3, r6d movsxd r6, [r5+wq*4] pcmpeqd m2, m2 pmaddubsw m0, m2 add r6, r5 add r5, ipred_dc_splat_avx2_table-ipred_dc_left_avx2_table movsxd wq, [r5+wq*4] add wq, r5 jmp r6 cglobal ipred_dc_left, 3, 7, 6, dst, stride, tl, w, h, stride3 mov hd, hm ; zero upper half tzcnt r6d, hd sub tlq, hq tzcnt wd, wm movu m0, [tlq] mov r5d, 0x8000 shrx r5d, r5d, r6d movd xm3, r5d lea r5, [ipred_dc_left_avx2_table] movsxd r6, [r5+r6*4] pcmpeqd m2, m2 pmaddubsw m0, m2 add r6, r5 add r5, ipred_dc_splat_avx2_table-ipred_dc_left_avx2_table movsxd wq, [r5+wq*4] add wq, r5 jmp r6 .h64: movu m1, [tlq+32] ; unaligned when jumping here from dc_top pmaddubsw m1, m2 paddw m0, m1 .h32: vextracti128 xm1, m0, 1 paddw xm0, xm1 .h16: punpckhqdq xm1, xm0, xm0 paddw xm0, xm1 .h8: psrlq xm1, xm0, 32 paddw xm0, xm1 .h4: pmaddwd xm0, xm2 pmulhrsw xm0, xm3 lea stride3q, [strideq*3] vpbroadcastb m0, xm0 mova m1, m0 jmp wq cglobal ipred_dc, 3, 7, 6, dst, stride, tl, w, h, stride3 movifnidn hd, hm movifnidn wd, wm tzcnt r6d, hd lea r5d, [wq+hq] movd xm4, r5d tzcnt r5d, r5d movd xm5, r5d lea r5, [ipred_dc_avx2_table] tzcnt wd, wd movsxd r6, [r5+r6*4] movsxd wq, [r5+wq*4+5*4] pcmpeqd m3, m3 psrlw xm4, 1 add r6, r5 add wq, r5 lea stride3q, [strideq*3] jmp r6 .h4: movd xm0, [tlq-4] pmaddubsw xm0, xm3 jmp wq .w4: movd xm1, [tlq+1] pmaddubsw xm1, xm3 psubw xm0, xm4 paddw xm0, xm1 pmaddwd xm0, xm3 cmp hd, 4 jg .w4_mul psrlw xm0, 3 jmp .w4_end .w4_mul: punpckhqdq xm1, xm0, xm0 lea r2d, [hq*2] mov r6d, 0x55563334 paddw xm0, xm1 shrx r6d, r6d, r2d psrlq xm1, xm0, 32 paddw xm0, xm1 movd xm1, r6d psrlw xm0, 2 pmulhuw xm0, xm1 .w4_end: vpbroadcastb xm0, xm0 .s4: movd [dstq+strideq*0], xm0 movd [dstq+strideq*1], xm0 movd [dstq+strideq*2], xm0 movd [dstq+stride3q ], xm0 lea dstq, [dstq+strideq*4] sub hd, 4 jg .s4 RET ALIGN function_align .h8: movq xm0, [tlq-8] pmaddubsw xm0, xm3 jmp wq .w8: movq xm1, [tlq+1] vextracti128 xm2, m0, 1 pmaddubsw xm1, xm3 psubw xm0, xm4 paddw xm0, xm2 punpckhqdq xm2, xm0, xm0 paddw xm0, xm2 paddw xm0, xm1 psrlq xm1, xm0, 32 paddw xm0, xm1 pmaddwd xm0, xm3 psrlw xm0, xm5 cmp hd, 8 je .w8_end mov r6d, 0x5556 mov r2d, 0x3334 cmp hd, 32 cmovz r6d, r2d movd xm1, r6d pmulhuw xm0, xm1 .w8_end: vpbroadcastb xm0, xm0 .s8: movq [dstq+strideq*0], xm0 movq [dstq+strideq*1], xm0 movq [dstq+strideq*2], xm0 movq [dstq+stride3q ], xm0 lea dstq, [dstq+strideq*4] sub hd, 4 jg .s8 RET ALIGN function_align .h16: mova xm0, [tlq-16] pmaddubsw xm0, xm3 jmp wq .w16: movu xm1, [tlq+1] vextracti128 xm2, m0, 1 pmaddubsw xm1, xm3 psubw xm0, xm4 paddw xm0, xm2 paddw xm0, xm1 punpckhqdq xm1, xm0, xm0 paddw xm0, xm1 psrlq xm1, xm0, 32 paddw xm0, xm1 pmaddwd xm0, xm3 psrlw xm0, xm5 cmp hd, 16 je .w16_end mov r6d, 0x5556 mov r2d, 0x3334 test hb, 8|32 cmovz r6d, r2d movd xm1, r6d pmulhuw xm0, xm1 .w16_end: vpbroadcastb xm0, xm0 .s16: mova [dstq+strideq*0], xm0 mova [dstq+strideq*1], xm0 mova [dstq+strideq*2], xm0 mova [dstq+stride3q ], xm0 lea dstq, [dstq+strideq*4] sub hd, 4 jg .s16 RET ALIGN function_align .h32: mova m0, [tlq-32] pmaddubsw m0, m3 jmp wq .w32: movu m1, [tlq+1] pmaddubsw m1, m3 paddw m0, m1 vextracti128 xm1, m0, 1 psubw xm0, xm4 paddw xm0, xm1 punpckhqdq xm1, xm0, xm0 paddw xm0, xm1 psrlq xm1, xm0, 32 paddw xm0, xm1 pmaddwd xm0, xm3 psrlw xm0, xm5 cmp hd, 32 je .w32_end lea r2d, [hq*2] mov r6d, 0x33345556 shrx r6d, r6d, r2d movd xm1, r6d pmulhuw xm0, xm1 .w32_end: vpbroadcastb m0, xm0 .s32: mova [dstq+strideq*0], m0 mova [dstq+strideq*1], m0 mova [dstq+strideq*2], m0 mova [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] sub hd, 4 jg .s32 RET ALIGN function_align .h64: mova m0, [tlq-64] mova m1, [tlq-32] pmaddubsw m0, m3 pmaddubsw m1, m3 paddw m0, m1 jmp wq .w64: movu m1, [tlq+ 1] movu m2, [tlq+33] pmaddubsw m1, m3 pmaddubsw m2, m3 paddw m0, m1 paddw m0, m2 vextracti128 xm1, m0, 1 psubw xm0, xm4 paddw xm0, xm1 punpckhqdq xm1, xm0, xm0 paddw xm0, xm1 psrlq xm1, xm0, 32 paddw xm0, xm1 pmaddwd xm0, xm3 psrlw xm0, xm5 cmp hd, 64 je .w64_end mov r6d, 0x33345556 shrx r6d, r6d, hd movd xm1, r6d pmulhuw xm0, xm1 .w64_end: vpbroadcastb m0, xm0 mova m1, m0 .s64: mova [dstq+strideq*0+32*0], m0 mova [dstq+strideq*0+32*1], m1 mova [dstq+strideq*1+32*0], m0 mova [dstq+strideq*1+32*1], m1 mova [dstq+strideq*2+32*0], m0 mova [dstq+strideq*2+32*1], m1 mova [dstq+stride3q +32*0], m0 mova [dstq+stride3q +32*1], m1 lea dstq, [dstq+strideq*4] sub hd, 4 jg .s64 RET cglobal ipred_dc_128, 2, 7, 6, dst, stride, tl, w, h, stride3 lea r5, [ipred_dc_splat_avx2_table] tzcnt wd, wm movifnidn hd, hm movsxd wq, [r5+wq*4] vpbroadcastd m0, [r5-ipred_dc_splat_avx2_table+pb_128] mova m1, m0 add wq, r5 lea stride3q, [strideq*3] jmp wq cglobal ipred_v, 3, 7, 6, dst, stride, tl, w, h, stride3 lea r5, [ipred_dc_splat_avx2_table] tzcnt wd, wm movu m0, [tlq+ 1] movu m1, [tlq+33] movifnidn hd, hm movsxd wq, [r5+wq*4] add wq, r5 lea stride3q, [strideq*3] jmp wq %macro IPRED_H 2 ; w, store_type vpbroadcastb m0, [tlq-1] vpbroadcastb m1, [tlq-2] vpbroadcastb m2, [tlq-3] sub tlq, 4 vpbroadcastb m3, [tlq+0] mov%2 [dstq+strideq*0], m0 mov%2 [dstq+strideq*1], m1 mov%2 [dstq+strideq*2], m2 mov%2 [dstq+stride3q ], m3 lea dstq, [dstq+strideq*4] sub hd, 4 jg .w%1 RET ALIGN function_align %endmacro INIT_XMM avx2 cglobal ipred_h, 3, 6, 4, dst, stride, tl, w, h, stride3 lea r5, [ipred_h_avx2_table] tzcnt wd, wm movifnidn hd, hm movsxd wq, [r5+wq*4] add wq, r5 lea stride3q, [strideq*3] jmp wq .w4: IPRED_H 4, d .w8: IPRED_H 8, q .w16: IPRED_H 16, a INIT_YMM avx2 .w32: IPRED_H 32, a .w64: vpbroadcastb m0, [tlq-1] vpbroadcastb m1, [tlq-2] vpbroadcastb m2, [tlq-3] sub tlq, 4 vpbroadcastb m3, [tlq+0] mova [dstq+strideq*0+32*0], m0 mova [dstq+strideq*0+32*1], m0 mova [dstq+strideq*1+32*0], m1 mova [dstq+strideq*1+32*1], m1 mova [dstq+strideq*2+32*0], m2 mova [dstq+strideq*2+32*1], m2 mova [dstq+stride3q +32*0], m3 mova [dstq+stride3q +32*1], m3 lea dstq, [dstq+strideq*4] sub hd, 4 jg .w64 RET %macro PAETH 2 ; top, ldiff pavgb m1, m%1, m3 ; Calculating tldiff normally requires pxor m0, m%1, m3 ; 10-bit intermediates, but we can do it pand m0, m4 ; in 8-bit with some tricks which avoids psubusb m2, m5, m1 ; having to unpack everything to 16-bit. psubb m1, m0 psubusb m1, m5 por m1, m2 paddusb m1, m1 por m1, m0 ; min(tldiff, 255) psubusb m2, m5, m3 psubusb m0, m3, m5 por m2, m0 ; tdiff pminub m2, m%2 pcmpeqb m0, m%2, m2 ; ldiff <= tdiff vpblendvb m0, m%1, m3, m0 pminub m1, m2 pcmpeqb m1, m2 ; ldiff <= tldiff || tdiff <= tldiff vpblendvb m0, m5, m0, m1 %endmacro cglobal ipred_paeth, 3, 6, 9, dst, stride, tl, w, h %define base r5-ipred_paeth_avx2_table lea r5, [ipred_paeth_avx2_table] tzcnt wd, wm vpbroadcastb m5, [tlq] ; topleft movifnidn hd, hm movsxd wq, [r5+wq*4] vpbroadcastd m4, [base+pb_1] add wq, r5 jmp wq .w4: vpbroadcastd m6, [tlq+1] ; top mova m8, [base+ipred_h_shuf] lea r3, [strideq*3] psubusb m7, m5, m6 psubusb m0, m6, m5 por m7, m0 ; ldiff .w4_loop: sub tlq, 8 vpbroadcastq m3, [tlq] pshufb m3, m8 ; left PAETH 6, 7 vextracti128 xm1, m0, 1 movd [dstq+strideq*0], xm0 movd [dstq+strideq*1], xm1 pextrd [dstq+strideq*2], xm0, 2 pextrd [dstq+r3 ], xm1, 2 cmp hd, 4 je .ret lea dstq, [dstq+strideq*4] pextrd [dstq+strideq*0], xm0, 1 pextrd [dstq+strideq*1], xm1, 1 pextrd [dstq+strideq*2], xm0, 3 pextrd [dstq+r3 ], xm1, 3 lea dstq, [dstq+strideq*4] sub hd, 8 jg .w4_loop .ret: RET ALIGN function_align .w8: vpbroadcastq m6, [tlq+1] mova m8, [base+ipred_h_shuf] lea r3, [strideq*3] psubusb m7, m5, m6 psubusb m0, m6, m5 por m7, m0 .w8_loop: sub tlq, 4 vpbroadcastd m3, [tlq] pshufb m3, m8 PAETH 6, 7 vextracti128 xm1, m0, 1 movq [dstq+strideq*0], xm0 movq [dstq+strideq*1], xm1 movhps [dstq+strideq*2], xm0 movhps [dstq+r3 ], xm1 lea dstq, [dstq+strideq*4] sub hd, 4 jg .w8_loop RET ALIGN function_align .w16: vbroadcasti128 m6, [tlq+1] mova xm8, xm4 ; lower half = 1, upper half = 0 psubusb m7, m5, m6 psubusb m0, m6, m5 por m7, m0 .w16_loop: sub tlq, 2 vpbroadcastd m3, [tlq] pshufb m3, m8 PAETH 6, 7 mova [dstq+strideq*0], xm0 vextracti128 [dstq+strideq*1], m0, 1 lea dstq, [dstq+strideq*2] sub hd, 2 jg .w16_loop RET ALIGN function_align .w32: movu m6, [tlq+1] psubusb m7, m5, m6 psubusb m0, m6, m5 por m7, m0 .w32_loop: dec tlq vpbroadcastb m3, [tlq] PAETH 6, 7 mova [dstq], m0 add dstq, strideq dec hd jg .w32_loop RET ALIGN function_align .w64: movu m6, [tlq+ 1] movu m7, [tlq+33] %if WIN64 movaps r4m, xmm9 %endif psubusb m8, m5, m6 psubusb m0, m6, m5 psubusb m9, m5, m7 psubusb m1, m7, m5 por m8, m0 por m9, m1 .w64_loop: dec tlq vpbroadcastb m3, [tlq] PAETH 6, 8 mova [dstq+32*0], m0 PAETH 7, 9 mova [dstq+32*1], m0 add dstq, strideq dec hd jg .w64_loop %if WIN64 movaps xmm9, r4m %endif RET %macro SMOOTH 6 ; src[1-2], mul[1-2], add[1-2] ; w * a = (w - 128) * a + 128 * a ; (256 - w) * b = (127 - w) * b + 129 * b pmaddubsw m0, m%3, m%1 pmaddubsw m1, m%4, m%2 paddw m0, m%5 paddw m1, m%6 psrlw m0, 8 psrlw m1, 8 packuswb m0, m1 %endmacro cglobal ipred_smooth_v, 3, 7, 0, dst, stride, tl, w, h, weights %define base r6-ipred_smooth_v_avx2_table lea r6, [ipred_smooth_v_avx2_table] tzcnt wd, wm mov hd, hm movsxd wq, [r6+wq*4] vpbroadcastd m0, [base+pb_127_m127] vpbroadcastd m1, [base+pw_128] lea weightsq, [base+smooth_weights+hq*4] neg hq vpbroadcastb m5, [tlq+hq] ; bottom add wq, r6 jmp wq .w4: vpbroadcastd m2, [tlq+1] punpcklbw m2, m5 ; top, bottom mova m5, [base+ipred_v_shuf] lea r3, [strideq*3] punpckldq m4, m5, m5 punpckhdq m5, m5 pmaddubsw m3, m2, m0 paddw m1, m2 ; 1 * top + 256 * bottom + 128, overflow is ok paddw m3, m1 ; 128 * top + 129 * bottom + 128 .w4_loop: vbroadcasti128 m1, [weightsq+hq*2] pshufb m0, m1, m4 pshufb m1, m5 SMOOTH 0, 1, 2, 2, 3, 3 vextracti128 xm1, m0, 1 movd [dstq+strideq*0], xm0 movd [dstq+strideq*1], xm1 pextrd [dstq+strideq*2], xm0, 1 pextrd [dstq+r3 ], xm1, 1 cmp hd, -4 je .ret lea dstq, [dstq+strideq*4] pextrd [dstq+strideq*0], xm0, 2 pextrd [dstq+strideq*1], xm1, 2 pextrd [dstq+strideq*2], xm0, 3 pextrd [dstq+r3 ], xm1, 3 lea dstq, [dstq+strideq*4] add hq, 8 jl .w4_loop .ret: RET ALIGN function_align .w8: vpbroadcastq m2, [tlq+1] punpcklbw m2, m5 mova m5, [base+ipred_v_shuf] lea r3, [strideq*3] pshufd m4, m5, q0000 pshufd m5, m5, q1111 pmaddubsw m3, m2, m0 paddw m1, m2 paddw m3, m1 .w8_loop: vpbroadcastq m1, [weightsq+hq*2] pshufb m0, m1, m4 pshufb m1, m5 SMOOTH 0, 1, 2, 2, 3, 3 vextracti128 xm1, m0, 1 movq [dstq+strideq*0], xm0 movq [dstq+strideq*1], xm1 movhps [dstq+strideq*2], xm0 movhps [dstq+r3 ], xm1 lea dstq, [dstq+strideq*4] add hq, 4 jl .w8_loop RET ALIGN function_align .w16: WIN64_SPILL_XMM 7 vbroadcasti128 m3, [tlq+1] mova m6, [base+ipred_v_shuf] punpcklbw m2, m3, m5 punpckhbw m3, m5 pmaddubsw m4, m2, m0 pmaddubsw m5, m3, m0 paddw m0, m1, m2 paddw m1, m3 paddw m4, m0 paddw m5, m1 .w16_loop: vpbroadcastd m1, [weightsq+hq*2] pshufb m1, m6 SMOOTH 1, 1, 2, 3, 4, 5 mova [dstq+strideq*0], xm0 vextracti128 [dstq+strideq*1], m0, 1 lea dstq, [dstq+strideq*2] add hq, 2 jl .w16_loop RET ALIGN function_align .w32: %assign stack_offset stack_offset - stack_size_padded WIN64_SPILL_XMM 6 movu m3, [tlq+1] punpcklbw m2, m3, m5 punpckhbw m3, m5 pmaddubsw m4, m2, m0 pmaddubsw m5, m3, m0 paddw m0, m1, m2 paddw m1, m3 paddw m4, m0 paddw m5, m1 .w32_loop: vpbroadcastw m1, [weightsq+hq*2] SMOOTH 1, 1, 2, 3, 4, 5 mova [dstq], m0 add dstq, strideq inc hq jl .w32_loop RET ALIGN function_align .w64: WIN64_SPILL_XMM 11 movu m4, [tlq+ 1] movu m8, [tlq+33] punpcklbw m3, m4, m5 punpckhbw m4, m5 punpcklbw m7, m8, m5 punpckhbw m8, m5 pmaddubsw m5, m3, m0 pmaddubsw m6, m4, m0 pmaddubsw m9, m7, m0 pmaddubsw m10, m8, m0 paddw m2, m1, m3 paddw m5, m2 paddw m2, m1, m4 paddw m6, m2 paddw m0, m1, m7 paddw m9, m0 paddw m1, m8 paddw m10, m1 .w64_loop: vpbroadcastw m2, [weightsq+hq*2] SMOOTH 2, 2, 3, 4, 5, 6 mova [dstq+32*0], m0 SMOOTH 2, 2, 7, 8, 9, 10 mova [dstq+32*1], m0 add dstq, strideq inc hq jl .w64_loop RET %macro SETUP_STACK_FRAME 3 ; stack_size, regs_used, xmm_regs_used %assign stack_offset 0 %assign stack_size_padded 0 %assign regs_used %2 %xdefine rstk rsp SETUP_STACK_POINTER %1 %if regs_used != %2 && WIN64 PUSH r%2 %endif ALLOC_STACK %1, %3 %endmacro cglobal ipred_smooth_h, 3, 7, 0, dst, stride, tl, w, h %define base r6-ipred_smooth_h_avx2_table lea r6, [ipred_smooth_h_avx2_table] mov wd, wm vpbroadcastb m3, [tlq+wq] ; right tzcnt wd, wd mov hd, hm movsxd wq, [r6+wq*4] vpbroadcastd m4, [base+pb_127_m127] vpbroadcastd m5, [base+pw_128] add wq, r6 jmp wq .w4: WIN64_SPILL_XMM 8 vpbroadcastq m6, [base+smooth_weights+4*2] mova m7, [base+ipred_h_shuf] sub tlq, 8 sub tlq, hq lea r3, [strideq*3] .w4_loop: vpbroadcastq m2, [tlq+hq] pshufb m2, m7 punpcklbw m1, m2, m3 ; left, right punpckhbw m2, m3 pmaddubsw m0, m1, m4 ; 127 * left - 127 * right paddw m0, m1 ; 128 * left + 129 * right pmaddubsw m1, m6 paddw m1, m5 paddw m0, m1 pmaddubsw m1, m2, m4 paddw m1, m2 pmaddubsw m2, m6 paddw m2, m5 paddw m1, m2 psrlw m0, 8 psrlw m1, 8 packuswb m0, m1 vextracti128 xm1, m0, 1 movd [dstq+strideq*0], xm0 movd [dstq+strideq*1], xm1 pextrd [dstq+strideq*2], xm0, 2 pextrd [dstq+r3 ], xm1, 2 cmp hd, 4 je .ret lea dstq, [dstq+strideq*4] pextrd [dstq+strideq*0], xm0, 1 pextrd [dstq+strideq*1], xm1, 1 pextrd [dstq+strideq*2], xm0, 3 pextrd [dstq+r3 ], xm1, 3 lea dstq, [dstq+strideq*4] sub hd, 8 jg .w4_loop .ret: RET ALIGN function_align .w8: %assign stack_offset stack_offset - stack_size_padded WIN64_SPILL_XMM 8 vbroadcasti128 m6, [base+smooth_weights+8*2] mova m7, [base+ipred_h_shuf] sub tlq, 4 lea r3, [strideq*3] sub tlq, hq .w8_loop: vpbroadcastd m2, [tlq+hq] pshufb m2, m7 punpcklbw m1, m2, m3 punpckhbw m2, m3 pmaddubsw m0, m1, m4 paddw m0, m1 pmaddubsw m1, m6 paddw m1, m5 paddw m0, m1 pmaddubsw m1, m2, m4 paddw m1, m2 pmaddubsw m2, m6 paddw m2, m5 paddw m1, m2 psrlw m0, 8 psrlw m1, 8 packuswb m0, m1 vextracti128 xm1, m0, 1 movq [dstq+strideq*0], xm0 movq [dstq+strideq*1], xm1 movhps [dstq+strideq*2], xm0 movhps [dstq+r3 ], xm1 lea dstq, [dstq+strideq*4] sub hd, 4 jg .w8_loop RET ALIGN function_align .w16: SETUP_STACK_FRAME 32*4, 7, 8 lea r3, [rsp+64*2-4] call .prep ; only worthwhile for for w16 and above sub tlq, 2 vpbroadcastd xm6, [base+pb_1] mova xm7, [base+ipred_v_shuf+16] vinserti128 m7, [base+ipred_v_shuf+ 0], 1 vbroadcasti128 m4, [base+smooth_weights+16*2] vbroadcasti128 m5, [base+smooth_weights+16*3] .w16_loop: vpbroadcastd m1, [tlq+hq] vpbroadcastd m2, [r3+hq*2] pshufb m1, m6 punpcklbw m1, m3 pshufb m2, m7 SMOOTH 4, 5, 1, 1, 2, 2 mova [dstq+strideq*0], xm0 vextracti128 [dstq+strideq*1], m0, 1 lea dstq, [dstq+strideq*2] sub hd, 2 jg .w16_loop RET ALIGN function_align .w32: SETUP_STACK_FRAME 32*4, 7, 6 lea r3, [rsp+64*2-2] call .prep dec tlq mova xm4, [base+smooth_weights+16*4] vinserti128 m4, [base+smooth_weights+16*6], 1 mova xm5, [base+smooth_weights+16*5] vinserti128 m5, [base+smooth_weights+16*7], 1 .w32_loop: vpbroadcastb m1, [tlq+hq] punpcklbw m1, m3 vpbroadcastw m2, [r3+hq*2] SMOOTH 4, 5, 1, 1, 2, 2 mova [dstq], m0 add dstq, strideq dec hd jg .w32_loop RET ALIGN function_align .w64: SETUP_STACK_FRAME 32*4, 7, 9 lea r3, [rsp+64*2-2] call .prep add r6, smooth_weights+16*15-ipred_smooth_h_avx2_table dec tlq mova xm5, [r6-16*7] vinserti128 m5, [r6-16*5], 1 mova xm6, [r6-16*6] vinserti128 m6, [r6-16*4], 1 mova xm7, [r6-16*3] vinserti128 m7, [r6-16*1], 1 mova xm8, [r6-16*2] vinserti128 m8, [r6-16*0], 1 .w64_loop: vpbroadcastb m2, [tlq+hq] punpcklbw m2, m3 vpbroadcastw m4, [r3+hq*2] SMOOTH 5, 6, 2, 2, 4, 4 mova [dstq+32*0], m0 SMOOTH 7, 8, 2, 2, 4, 4 mova [dstq+32*1], m0 add dstq, strideq dec hd jg .w64_loop RET ALIGN function_align .prep: vpermq m2, [tlq-32*1], q3120 punpckhbw m1, m2, m3 punpcklbw m2, m3 pmaddubsw m0, m1, m4 ; 127 * left - 127 * right paddw m1, m5 ; 1 * left + 256 * right + 128 paddw m0, m1 ; 128 * left + 129 * right + 128 pmaddubsw m1, m2, m4 paddw m2, m5 paddw m1, m2 vpermq m2, [tlq-32*2], q3120 mova [rsp+gprsize+32*3], m0 mova [rsp+gprsize+32*2], m1 punpckhbw m1, m2, m3 punpcklbw m2, m3 pmaddubsw m0, m1, m4 paddw m1, m5 paddw m0, m1 pmaddubsw m1, m2, m4 paddw m2, m5 paddw m1, m2 mova [rsp+gprsize+32*1], m0 mova [rsp+gprsize+32*0], m1 sub r3, hq sub tlq, hq sub r3, hq ret %macro SMOOTH_2D_END 6 ; src[1-2], mul[1-2], add[1-2] pmaddubsw m0, m%3, m%1 pmaddubsw m1, m%4, m%2 %ifnum %5 paddw m0, m%5 %else paddw m0, %5 %endif %ifnum %6 paddw m1, m%6 %else paddw m1, %6 %endif pavgw m0, m2 pavgw m1, m3 psrlw m0, 8 psrlw m1, 8 packuswb m0, m1 %endmacro cglobal ipred_smooth, 3, 7, 0, dst, stride, tl, w, h, v_weights %define base r6-ipred_smooth_avx2_table lea r6, [ipred_smooth_avx2_table] mov wd, wm vpbroadcastb m4, [tlq+wq] ; right tzcnt wd, wd mov hd, hm mov r5, tlq sub r5, hq movsxd wq, [r6+wq*4] vpbroadcastd m5, [base+pb_127_m127] vpbroadcastb m0, [r5] ; bottom vpbroadcastd m3, [base+pw_255] add wq, r6 lea v_weightsq, [base+smooth_weights+hq*2] jmp wq .w4: WIN64_SPILL_XMM 12 mova m10, [base+ipred_h_shuf] vpbroadcastq m11, [base+smooth_weights+4*2] mova m7, [base+ipred_v_shuf] vpbroadcastd m8, [tlq+1] sub tlq, 8 lea r3, [strideq*3] sub tlq, hq punpcklbw m8, m0 ; top, bottom pshufd m6, m7, q2200 pshufd m7, m7, q3311 pmaddubsw m9, m8, m5 paddw m3, m8 ; 1 * top + 255 * bottom + 255 paddw m9, m3 ; 128 * top + 129 * bottom + 255 .w4_loop: vpbroadcastq m1, [tlq+hq] pshufb m1, m10 punpcklbw m0, m1, m4 ; left, right punpckhbw m1, m4 pmaddubsw m2, m0, m5 ; 127 * left - 127 * right pmaddubsw m3, m1, m5 paddw m2, m0 ; 128 * left + 129 * right paddw m3, m1 pmaddubsw m0, m11 pmaddubsw m1, m11 paddw m2, m0 paddw m3, m1 vbroadcasti128 m1, [v_weightsq] add v_weightsq, 16 pshufb m0, m1, m6 pshufb m1, m7 SMOOTH_2D_END 0, 1, 8, 8, 9, 9 vextracti128 xm1, m0, 1 movd [dstq+strideq*0], xm0 movd [dstq+strideq*1], xm1 pextrd [dstq+strideq*2], xm0, 2 pextrd [dstq+r3 ], xm1, 2 cmp hd, 4 je .ret lea dstq, [dstq+strideq*4] pextrd [dstq+strideq*0], xm0, 1 pextrd [dstq+strideq*1], xm1, 1 pextrd [dstq+strideq*2], xm0, 3 pextrd [dstq+r3 ], xm1, 3 lea dstq, [dstq+strideq*4] sub hd, 8 jg .w4_loop .ret: RET ALIGN function_align .w8: %assign stack_offset stack_offset - stack_size_padded WIN64_SPILL_XMM 12 mova m10, [base+ipred_h_shuf] vbroadcasti128 m11, [base+smooth_weights+8*2] mova m7, [base+ipred_v_shuf] vpbroadcastq m8, [tlq+1] sub tlq, 4 lea r3, [strideq*3] sub tlq, hq punpcklbw m8, m0 pshufd m6, m7, q0000 pshufd m7, m7, q1111 pmaddubsw m9, m8, m5 paddw m3, m8 paddw m9, m3 .w8_loop: vpbroadcastd m1, [tlq+hq] pshufb m1, m10 punpcklbw m0, m1, m4 punpckhbw m1, m4 pmaddubsw m2, m0, m5 pmaddubsw m3, m1, m5 paddw m2, m0 paddw m3, m1 pmaddubsw m0, m11 pmaddubsw m1, m11 paddw m2, m0 paddw m3, m1 vpbroadcastq m1, [v_weightsq] add v_weightsq, 8 pshufb m0, m1, m6 pshufb m1, m7 SMOOTH_2D_END 0, 1, 8, 8, 9, 9 vextracti128 xm1, m0, 1 movq [dstq+strideq*0], xm0 movq [dstq+strideq*1], xm1 movhps [dstq+strideq*2], xm0 movhps [dstq+r3 ], xm1 lea dstq, [dstq+strideq*4] sub hd, 4 jg .w8_loop RET ALIGN function_align .w16: SETUP_STACK_FRAME 32*4, 7, 14 vbroadcasti128 m11, [tlq+1] lea r3, [rsp+64*2-4] punpcklbw m10, m11, m0 ; top, bottom punpckhbw m11, m0 call .prep_v sub tlq, 2 pmaddubsw m12, m10, m5 pmaddubsw m13, m11, m5 vpbroadcastd xm5, [base+pb_1] mova m9, [base+ipred_v_shuf] vbroadcasti128 m6, [base+smooth_weights+16*2] vbroadcasti128 m7, [base+smooth_weights+16*3] vpermq m8, m9, q1032 paddw m0, m10, m3 paddw m3, m11 paddw m12, m0 paddw m13, m3 .w16_loop: vpbroadcastd m3, [tlq+hq] vpbroadcastd m0, [r3+hq*2] vpbroadcastd m1, [v_weightsq] add v_weightsq, 4 pshufb m3, m5 punpcklbw m3, m4 ; left, right pmaddubsw m2, m3, m6 pmaddubsw m3, m7 pshufb m0, m8 pshufb m1, m9 paddw m2, m0 paddw m3, m0 SMOOTH_2D_END 1, 1, 10, 11, 12, 13 mova [dstq+strideq*0], xm0 vextracti128 [dstq+strideq*1], m0, 1 lea dstq, [dstq+strideq*2] sub hd, 2 jg .w16_loop RET ALIGN function_align .w32: SETUP_STACK_FRAME 32*4, 7, 11 movu m8, [tlq+1] lea r3, [rsp+64*2-2] punpcklbw m7, m8, m0 punpckhbw m8, m0 call .prep_v dec tlq pmaddubsw m9, m7, m5 pmaddubsw m10, m8, m5 mova xm5, [base+smooth_weights+16*4] vinserti128 m5, [base+smooth_weights+16*6], 1 mova xm6, [base+smooth_weights+16*5] vinserti128 m6, [base+smooth_weights+16*7], 1 paddw m0, m7, m3 paddw m3, m8 paddw m9, m0 paddw m10, m3 .w32_loop: vpbroadcastb m3, [tlq+hq] punpcklbw m3, m4 vpbroadcastw m0, [r3+hq*2] vpbroadcastw m1, [v_weightsq] add v_weightsq, 2 pmaddubsw m2, m3, m5 pmaddubsw m3, m6 paddw m2, m0 paddw m3, m0 SMOOTH_2D_END 1, 1, 7, 8, 9, 10 mova [dstq], m0 add dstq, strideq dec hd jg .w32_loop RET ALIGN function_align .w64: SETUP_STACK_FRAME 32*8, 7, 16 movu m13, [tlq+1 ] movu m15, [tlq+33] add r6, smooth_weights+16*15-ipred_smooth_avx2_table lea r3, [rsp+64*2-2] punpcklbw m12, m13, m0 punpckhbw m13, m0 punpcklbw m14, m15, m0 punpckhbw m15, m0 call .prep_v dec tlq pmaddubsw m0, m12, m5 pmaddubsw m1, m13, m5 pmaddubsw m2, m14, m5 pmaddubsw m5, m15, m5 mova xm8, [r6-16*7] vinserti128 m8, [r6-16*5], 1 mova xm9, [r6-16*6] vinserti128 m9, [r6-16*4], 1 mova xm10, [r6-16*3] vinserti128 m10, [r6-16*1], 1 mova xm11, [r6-16*2] vinserti128 m11, [r6-16*0], 1 lea r6, [rsp+32*4] paddw m0, m3 paddw m1, m3 paddw m2, m3 paddw m3, m5 paddw m0, m12 paddw m1, m13 paddw m2, m14 paddw m3, m15 mova [r6+32*0], m0 mova [r6+32*1], m1 mova [r6+32*2], m2 mova [r6+32*3], m3 .w64_loop: vpbroadcastb m5, [tlq+hq] punpcklbw m5, m4 vpbroadcastw m6, [r3+hq*2] vpbroadcastw m7, [v_weightsq] add v_weightsq, 2 pmaddubsw m2, m5, m8 pmaddubsw m3, m5, m9 paddw m2, m6 paddw m3, m6 SMOOTH_2D_END 7, 7, 12, 13, [r6+32*0], [r6+32*1] mova [dstq+32*0], m0 pmaddubsw m2, m5, m10 pmaddubsw m3, m5, m11 paddw m2, m6 paddw m3, m6 SMOOTH_2D_END 7, 7, 14, 15, [r6+32*2], [r6+32*3] mova [dstq+32*1], m0 add dstq, strideq dec hd jg .w64_loop RET ALIGN function_align .prep_v: vpermq m2, [tlq-32*1], q3120 punpckhbw m1, m2, m4 punpcklbw m2, m4 pmaddubsw m0, m1, m5 ; 127 * left - 127 * right paddw m0, m1 ; 128 * left + 129 * right pmaddubsw m1, m2, m5 paddw m1, m2 vpermq m2, [tlq-32*2], q3120 mova [rsp+gprsize+32*3], m0 mova [rsp+gprsize+32*2], m1 punpckhbw m1, m2, m4 punpcklbw m2, m4 pmaddubsw m0, m1, m5 paddw m0, m1 pmaddubsw m1, m2, m5 paddw m1, m2 mova [rsp+gprsize+32*1], m0 mova [rsp+gprsize+32*0], m1 sub r3, hq sub tlq, hq sub r3, hq ret %endif