ref: 85f3a82355a16ded505c8c50d85bfca0f55782c7
dir: /vpx_dsp/x86/intrapred_sse2.asm/
; ; Copyright (c) 2010 The WebM project authors. All Rights Reserved. ; ; Use of this source code is governed by a BSD-style license ; that can be found in the LICENSE file in the root of the source ; tree. An additional intellectual property rights grant can be found ; in the file PATENTS. All contributing project authors may ; be found in the AUTHORS file in the root of the source tree. ; %include "third_party/x86inc/x86inc.asm" SECTION_RODATA pb_1: times 16 db 1 pw_4: times 8 dw 4 pw_8: times 8 dw 8 pw_16: times 8 dw 16 pw_32: times 8 dw 32 dc_128: times 16 db 128 pw2_4: times 8 dw 2 pw2_8: times 8 dw 4 pw2_16: times 8 dw 8 pw2_32: times 8 dw 16 SECTION .text ; ------------------------------------------ ; input: x, y, z, result ; ; trick from pascal ; (x+2y+z+2)>>2 can be calculated as: ; result = avg(x,z) ; result -= xor(x,z) & 1 ; result = avg(result,y) ; ------------------------------------------ %macro X_PLUS_2Y_PLUS_Z_PLUS_2_RSH_2 4 pavgb %4, %1, %3 pxor %3, %1 pand %3, [GLOBAL(pb_1)] psubb %4, %3 pavgb %4, %2 %endmacro INIT_XMM sse2 cglobal d45_predictor_4x4, 3, 4, 4, dst, stride, above, goffset GET_GOT goffsetq movq m0, [aboveq] DEFINE_ARGS dst, stride, temp psrldq m1, m0, 1 psrldq m2, m0, 2 X_PLUS_2Y_PLUS_Z_PLUS_2_RSH_2 m0, m1, m2, m3 ; store 4 lines movd [dstq ], m3 psrlq m3, 8 movd [dstq+strideq ], m3 lea dstq, [dstq+strideq*2] psrlq m3, 8 movd [dstq ], m3 psrlq m3, 8 movd [dstq+strideq ], m3 psrlq m0, 56 movd tempq, m0 mov [dstq+strideq+3], tempb RESTORE_GOT RET INIT_XMM sse2 cglobal d45_predictor_8x8, 3, 4, 4, dst, stride, above, goffset GET_GOT goffsetq movu m1, [aboveq] pslldq m0, m1, 1 psrldq m2, m1, 1 DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] X_PLUS_2Y_PLUS_Z_PLUS_2_RSH_2 m0, m1, m2, m3 punpckhbw m0, m0 ; 7 7 punpcklwd m0, m0 ; 7 7 7 7 punpckldq m0, m0 ; 7 7 7 7 7 7 7 7 punpcklqdq m3, m0 ; -1 0 1 2 3 4 5 6 7 7 7 7 7 7 7 7 ; store 4 lines psrldq m3, 1 movq [dstq ], m3 psrldq m3, 1 movq [dstq+strideq ], m3 psrldq m3, 1 movq [dstq+strideq*2], m3 psrldq m3, 1 movq [dstq+stride3q ], m3 lea dstq, [dstq+strideq*4] ; store next 4 lines psrldq m3, 1 movq [dstq ], m3 psrldq m3, 1 movq [dstq+strideq ], m3 psrldq m3, 1 movq [dstq+strideq*2], m3 psrldq m3, 1 movq [dstq+stride3q ], m3 RESTORE_GOT RET INIT_XMM sse2 cglobal d207_predictor_4x4, 4, 4, 5, dst, stride, unused, left, goffset GET_GOT goffsetq movd m0, [leftq] ; abcd [byte] punpcklbw m4, m0, m0 ; aabb ccdd punpcklwd m4, m4 ; aaaa bbbb cccc dddd psrldq m4, 12 ; dddd punpckldq m0, m4 ; abcd dddd psrldq m1, m0, 1 ; bcdd psrldq m2, m0, 2 ; cddd X_PLUS_2Y_PLUS_Z_PLUS_2_RSH_2 m0, m1, m2, m3 ; a2bc b2cd c3d d pavgb m1, m0 ; ab, bc, cd, d [byte] punpcklbw m1, m3 ; ab, a2bc, bc, b2cd, cd, c3d, d, d movd [dstq ], m1 psrlq m1, 16 ; bc, b2cd, cd, c3d, d, d movd [dstq+strideq], m1 lea dstq, [dstq+strideq*2] psrlq m1, 16 ; cd, c3d, d, d movd [dstq ], m1 movd [dstq+strideq], m4 ; d, d, d, d RESTORE_GOT RET INIT_XMM sse2 cglobal dc_predictor_4x4, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq movd m2, [leftq] movd m0, [aboveq] pxor m1, m1 punpckldq m0, m2 psadbw m0, m1 paddw m0, [GLOBAL(pw_4)] psraw m0, 3 pshuflw m0, m0, 0x0 packuswb m0, m0 movd [dstq ], m0 movd [dstq+strideq], m0 lea dstq, [dstq+strideq*2] movd [dstq ], m0 movd [dstq+strideq], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_left_predictor_4x4, 2, 5, 2, dst, stride, above, left, goffset movifnidn leftq, leftmp GET_GOT goffsetq pxor m1, m1 movd m0, [leftq] psadbw m0, m1 paddw m0, [GLOBAL(pw2_4)] psraw m0, 2 pshuflw m0, m0, 0x0 packuswb m0, m0 movd [dstq ], m0 movd [dstq+strideq], m0 lea dstq, [dstq+strideq*2] movd [dstq ], m0 movd [dstq+strideq], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_top_predictor_4x4, 3, 5, 2, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 movd m0, [aboveq] psadbw m0, m1 paddw m0, [GLOBAL(pw2_4)] psraw m0, 2 pshuflw m0, m0, 0x0 packuswb m0, m0 movd [dstq ], m0 movd [dstq+strideq], m0 lea dstq, [dstq+strideq*2] movd [dstq ], m0 movd [dstq+strideq], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_predictor_8x8, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 movq m0, [aboveq] movq m2, [leftq] DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] psadbw m0, m1 psadbw m2, m1 paddw m0, m2 paddw m0, [GLOBAL(pw_8)] psraw m0, 4 punpcklbw m0, m0 pshuflw m0, m0, 0x0 movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_top_predictor_8x8, 3, 5, 2, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 movq m0, [aboveq] DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] psadbw m0, m1 paddw m0, [GLOBAL(pw2_8)] psraw m0, 3 punpcklbw m0, m0 pshuflw m0, m0, 0x0 movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_left_predictor_8x8, 2, 5, 2, dst, stride, above, left, goffset movifnidn leftq, leftmp GET_GOT goffsetq pxor m1, m1 movq m0, [leftq] DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] psadbw m0, m1 paddw m0, [GLOBAL(pw2_8)] psraw m0, 3 punpcklbw m0, m0 pshuflw m0, m0, 0x0 movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_128_predictor_4x4, 2, 5, 1, dst, stride, above, left, goffset GET_GOT goffsetq DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] movd m0, [GLOBAL(dc_128)] movd [dstq ], m0 movd [dstq+strideq ], m0 movd [dstq+strideq*2], m0 movd [dstq+stride3q ], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_128_predictor_8x8, 2, 5, 1, dst, stride, above, left, goffset GET_GOT goffsetq DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] movq m0, [GLOBAL(dc_128)] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 RESTORE_GOT RET INIT_XMM sse2 cglobal dc_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 mova m0, [aboveq] mova m2, [leftq] DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 4 psadbw m0, m1 psadbw m2, m1 paddw m0, m2 movhlps m2, m0 paddw m0, m2 paddw m0, [GLOBAL(pw_16)] psraw m0, 5 pshuflw m0, m0, 0x0 punpcklqdq m0, m0 packuswb m0, m0 .loop: mova [dstq ], m0 mova [dstq+strideq ], m0 mova [dstq+strideq*2], m0 mova [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT REP_RET INIT_XMM sse2 cglobal dc_top_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 mova m0, [aboveq] DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 4 psadbw m0, m1 movhlps m2, m0 paddw m0, m2 paddw m0, [GLOBAL(pw2_16)] psraw m0, 4 pshuflw m0, m0, 0x0 punpcklqdq m0, m0 packuswb m0, m0 .loop: mova [dstq ], m0 mova [dstq+strideq ], m0 mova [dstq+strideq*2], m0 mova [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT REP_RET INIT_XMM sse2 cglobal dc_left_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 mova m0, [leftq] DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 4 psadbw m0, m1 movhlps m2, m0 paddw m0, m2 paddw m0, [GLOBAL(pw2_16)] psraw m0, 4 pshuflw m0, m0, 0x0 punpcklqdq m0, m0 packuswb m0, m0 .loop: mova [dstq ], m0 mova [dstq+strideq ], m0 mova [dstq+strideq*2], m0 mova [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT REP_RET INIT_XMM sse2 cglobal dc_128_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 4 mova m0, [GLOBAL(dc_128)] .loop: mova [dstq ], m0 mova [dstq+strideq ], m0 mova [dstq+strideq*2], m0 mova [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT RET INIT_XMM sse2 cglobal dc_predictor_32x32, 4, 5, 5, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 mova m0, [aboveq] mova m2, [aboveq+16] mova m3, [leftq] mova m4, [leftq+16] DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 8 psadbw m0, m1 psadbw m2, m1 psadbw m3, m1 psadbw m4, m1 paddw m0, m2 paddw m0, m3 paddw m0, m4 movhlps m2, m0 paddw m0, m2 paddw m0, [GLOBAL(pw_32)] psraw m0, 6 pshuflw m0, m0, 0x0 punpcklqdq m0, m0 packuswb m0, m0 .loop: mova [dstq ], m0 mova [dstq +16], m0 mova [dstq+strideq ], m0 mova [dstq+strideq +16], m0 mova [dstq+strideq*2 ], m0 mova [dstq+strideq*2+16], m0 mova [dstq+stride3q ], m0 mova [dstq+stride3q +16], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT REP_RET INIT_XMM sse2 cglobal dc_top_predictor_32x32, 4, 5, 5, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 mova m0, [aboveq] mova m2, [aboveq+16] DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 8 psadbw m0, m1 psadbw m2, m1 paddw m0, m2 movhlps m2, m0 paddw m0, m2 paddw m0, [GLOBAL(pw2_32)] psraw m0, 5 pshuflw m0, m0, 0x0 punpcklqdq m0, m0 packuswb m0, m0 .loop: mova [dstq ], m0 mova [dstq +16], m0 mova [dstq+strideq ], m0 mova [dstq+strideq +16], m0 mova [dstq+strideq*2 ], m0 mova [dstq+strideq*2+16], m0 mova [dstq+stride3q ], m0 mova [dstq+stride3q +16], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT REP_RET INIT_XMM sse2 cglobal dc_left_predictor_32x32, 4, 5, 5, dst, stride, above, left, goffset GET_GOT goffsetq pxor m1, m1 mova m0, [leftq] mova m2, [leftq+16] DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 8 psadbw m0, m1 psadbw m2, m1 paddw m0, m2 movhlps m2, m0 paddw m0, m2 paddw m0, [GLOBAL(pw2_32)] psraw m0, 5 pshuflw m0, m0, 0x0 punpcklqdq m0, m0 packuswb m0, m0 .loop: mova [dstq ], m0 mova [dstq +16], m0 mova [dstq+strideq ], m0 mova [dstq+strideq +16], m0 mova [dstq+strideq*2 ], m0 mova [dstq+strideq*2+16], m0 mova [dstq+stride3q ], m0 mova [dstq+stride3q +16], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT REP_RET INIT_XMM sse2 cglobal dc_128_predictor_32x32, 4, 5, 3, dst, stride, above, left, goffset GET_GOT goffsetq DEFINE_ARGS dst, stride, stride3, lines4 lea stride3q, [strideq*3] mov lines4d, 8 mova m0, [GLOBAL(dc_128)] .loop: mova [dstq ], m0 mova [dstq +16], m0 mova [dstq+strideq ], m0 mova [dstq+strideq +16], m0 mova [dstq+strideq*2 ], m0 mova [dstq+strideq*2+16], m0 mova [dstq+stride3q ], m0 mova [dstq+stride3q +16], m0 lea dstq, [dstq+strideq*4] dec lines4d jnz .loop RESTORE_GOT RET INIT_XMM sse2 cglobal v_predictor_4x4, 3, 3, 1, dst, stride, above movd m0, [aboveq] movd [dstq ], m0 movd [dstq+strideq], m0 lea dstq, [dstq+strideq*2] movd [dstq ], m0 movd [dstq+strideq], m0 RET INIT_XMM sse2 cglobal v_predictor_8x8, 3, 3, 1, dst, stride, above movq m0, [aboveq] DEFINE_ARGS dst, stride, stride3 lea stride3q, [strideq*3] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] movq [dstq ], m0 movq [dstq+strideq ], m0 movq [dstq+strideq*2], m0 movq [dstq+stride3q ], m0 RET INIT_XMM sse2 cglobal v_predictor_16x16, 3, 4, 1, dst, stride, above mova m0, [aboveq] DEFINE_ARGS dst, stride, stride3, nlines4 lea stride3q, [strideq*3] mov nlines4d, 4 .loop: mova [dstq ], m0 mova [dstq+strideq ], m0 mova [dstq+strideq*2], m0 mova [dstq+stride3q ], m0 lea dstq, [dstq+strideq*4] dec nlines4d jnz .loop REP_RET INIT_XMM sse2 cglobal v_predictor_32x32, 3, 4, 2, dst, stride, above mova m0, [aboveq] mova m1, [aboveq+16] DEFINE_ARGS dst, stride, stride3, nlines4 lea stride3q, [strideq*3] mov nlines4d, 8 .loop: mova [dstq ], m0 mova [dstq +16], m1 mova [dstq+strideq ], m0 mova [dstq+strideq +16], m1 mova [dstq+strideq*2 ], m0 mova [dstq+strideq*2+16], m1 mova [dstq+stride3q ], m0 mova [dstq+stride3q +16], m1 lea dstq, [dstq+strideq*4] dec nlines4d jnz .loop REP_RET INIT_XMM sse2 cglobal h_predictor_4x4, 2, 4, 4, dst, stride, line, left movifnidn leftq, leftmp movd m0, [leftq] punpcklbw m0, m0 punpcklbw m0, m0 pshufd m1, m0, 0x1 movd [dstq ], m0 movd [dstq+strideq], m1 pshufd m2, m0, 0x2 lea dstq, [dstq+strideq*2] pshufd m3, m0, 0x3 movd [dstq ], m2 movd [dstq+strideq], m3 RET INIT_XMM sse2 cglobal h_predictor_8x8, 2, 5, 3, dst, stride, line, left movifnidn leftq, leftmp mov lineq, -2 DEFINE_ARGS dst, stride, line, left, stride3 lea stride3q, [strideq*3] movq m0, [leftq ] punpcklbw m0, m0 ; l1 l1 l2 l2 ... l8 l8 .loop: pshuflw m1, m0, 0x0 ; l1 l1 l1 l1 l1 l1 l1 l1 pshuflw m2, m0, 0x55 ; l2 l2 l2 l2 l2 l2 l2 l2 movq [dstq ], m1 movq [dstq+strideq], m2 pshuflw m1, m0, 0xaa pshuflw m2, m0, 0xff movq [dstq+strideq*2], m1 movq [dstq+stride3q ], m2 pshufd m0, m0, 0xe ; [63:0] l5 l5 l6 l6 l7 l7 l8 l8 inc lineq lea dstq, [dstq+strideq*4] jnz .loop REP_RET INIT_XMM sse2 cglobal h_predictor_16x16, 2, 5, 3, dst, stride, line, left movifnidn leftq, leftmp mov lineq, -4 DEFINE_ARGS dst, stride, line, left, stride3 lea stride3q, [strideq*3] .loop: movd m0, [leftq] punpcklbw m0, m0 punpcklbw m0, m0 ; l1 to l4 each repeated 4 times pshufd m1, m0, 0x0 ; l1 repeated 16 times pshufd m2, m0, 0x55 ; l2 repeated 16 times mova [dstq ], m1 mova [dstq+strideq ], m2 pshufd m1, m0, 0xaa pshufd m2, m0, 0xff mova [dstq+strideq*2], m1 mova [dstq+stride3q ], m2 inc lineq lea leftq, [leftq+4 ] lea dstq, [dstq+strideq*4] jnz .loop REP_RET INIT_XMM sse2 cglobal h_predictor_32x32, 2, 5, 3, dst, stride, line, left movifnidn leftq, leftmp mov lineq, -8 DEFINE_ARGS dst, stride, line, left, stride3 lea stride3q, [strideq*3] .loop: movd m0, [leftq] punpcklbw m0, m0 punpcklbw m0, m0 ; l1 to l4 each repeated 4 times pshufd m1, m0, 0x0 ; l1 repeated 16 times pshufd m2, m0, 0x55 ; l2 repeated 16 times mova [dstq ], m1 mova [dstq+16 ], m1 mova [dstq+strideq ], m2 mova [dstq+strideq+16 ], m2 pshufd m1, m0, 0xaa pshufd m2, m0, 0xff mova [dstq+strideq*2 ], m1 mova [dstq+strideq*2+16], m1 mova [dstq+stride3q ], m2 mova [dstq+stride3q+16 ], m2 inc lineq lea leftq, [leftq+4 ] lea dstq, [dstq+strideq*4] jnz .loop REP_RET INIT_XMM sse2 cglobal tm_predictor_4x4, 4, 4, 5, dst, stride, above, left pxor m1, m1 movq m0, [aboveq-1]; [63:0] tl t1 t2 t3 t4 x x x punpcklbw m0, m1 pshuflw m2, m0, 0x0 ; [63:0] tl tl tl tl [word] psrldq m0, 2 psubw m0, m2 ; [63:0] t1-tl t2-tl t3-tl t4-tl [word] movd m2, [leftq] punpcklbw m2, m1 pshuflw m4, m2, 0x0 ; [63:0] l1 l1 l1 l1 [word] pshuflw m3, m2, 0x55 ; [63:0] l2 l2 l2 l2 [word] paddw m4, m0 paddw m3, m0 packuswb m4, m4 packuswb m3, m3 movd [dstq ], m4 movd [dstq+strideq], m3 lea dstq, [dstq+strideq*2] pshuflw m4, m2, 0xaa pshuflw m3, m2, 0xff paddw m4, m0 paddw m3, m0 packuswb m4, m4 packuswb m3, m3 movd [dstq ], m4 movd [dstq+strideq], m3 RET INIT_XMM sse2 cglobal tm_predictor_8x8, 4, 4, 5, dst, stride, above, left pxor m1, m1 movd m2, [aboveq-1] movq m0, [aboveq] punpcklbw m2, m1 punpcklbw m0, m1 ; t1 t2 t3 t4 t5 t6 t7 t8 [word] pshuflw m2, m2, 0x0 ; [63:0] tl tl tl tl [word] DEFINE_ARGS dst, stride, line, left mov lineq, -4 punpcklqdq m2, m2 ; tl tl tl tl tl tl tl tl [word] psubw m0, m2 ; t1-tl t2-tl ... t8-tl [word] movq m2, [leftq] punpcklbw m2, m1 ; l1 l2 l3 l4 l5 l6 l7 l8 [word] .loop: pshuflw m4, m2, 0x0 ; [63:0] l1 l1 l1 l1 [word] pshuflw m3, m2, 0x55 ; [63:0] l2 l2 l2 l2 [word] punpcklqdq m4, m4 ; l1 l1 l1 l1 l1 l1 l1 l1 [word] punpcklqdq m3, m3 ; l2 l2 l2 l2 l2 l2 l2 l2 [word] paddw m4, m0 paddw m3, m0 packuswb m4, m3 movq [dstq ], m4 movhps [dstq+strideq], m4 lea dstq, [dstq+strideq*2] psrldq m2, 4 inc lineq jnz .loop REP_RET INIT_XMM sse2 cglobal tm_predictor_16x16, 4, 5, 8, dst, stride, above, left pxor m1, m1 mova m2, [aboveq-16]; mova m0, [aboveq] ; t1 t2 ... t16 [byte] punpckhbw m2, m1 ; [127:112] tl [word] punpckhbw m4, m0, m1 punpcklbw m0, m1 ; m0:m4 t1 t2 ... t16 [word] DEFINE_ARGS dst, stride, line, left, stride8 mov lineq, -8 pshufhw m2, m2, 0xff mova m3, [leftq] ; l1 l2 ... l16 [byte] punpckhqdq m2, m2 ; tl repeated 8 times [word] psubw m0, m2 psubw m4, m2 ; m0:m4 t1-tl t2-tl ... t16-tl [word] punpckhbw m5, m3, m1 punpcklbw m3, m1 ; m3:m5 l1 l2 ... l16 [word] lea stride8q, [strideq*8] .loop: pshuflw m6, m3, 0x0 pshuflw m7, m5, 0x0 punpcklqdq m6, m6 ; l1 repeated 8 times [word] punpcklqdq m7, m7 ; l8 repeated 8 times [word] paddw m1, m6, m0 paddw m6, m4 ; m1:m6 ti-tl+l1 [i=1,15] [word] psrldq m5, 2 packuswb m1, m6 mova [dstq ], m1 paddw m1, m7, m0 paddw m7, m4 ; m1:m7 ti-tl+l8 [i=1,15] [word] psrldq m3, 2 packuswb m1, m7 mova [dstq+stride8q], m1 inc lineq lea dstq, [dstq+strideq] jnz .loop REP_RET INIT_XMM sse2 cglobal tm_predictor_32x32, 4, 4, 8, dst, stride, above, left pxor m1, m1 movd m2, [aboveq-1] mova m0, [aboveq] mova m4, [aboveq+16] punpcklbw m2, m1 punpckhbw m3, m0, m1 punpckhbw m5, m4, m1 punpcklbw m0, m1 punpcklbw m4, m1 pshuflw m2, m2, 0x0 DEFINE_ARGS dst, stride, line, left mov lineq, -16 punpcklqdq m2, m2 add leftq, 32 psubw m0, m2 psubw m3, m2 psubw m4, m2 psubw m5, m2 .loop: movd m2, [leftq+lineq*2] pxor m1, m1 punpcklbw m2, m1 pshuflw m7, m2, 0x55 pshuflw m2, m2, 0x0 punpcklqdq m2, m2 punpcklqdq m7, m7 paddw m6, m2, m3 paddw m1, m2, m0 packuswb m1, m6 mova [dstq ], m1 paddw m6, m2, m5 paddw m1, m2, m4 packuswb m1, m6 mova [dstq+16 ], m1 paddw m6, m7, m3 paddw m1, m7, m0 packuswb m1, m6 mova [dstq+strideq ], m1 paddw m6, m7, m5 paddw m1, m7, m4 packuswb m1, m6 mova [dstq+strideq+16], m1 lea dstq, [dstq+strideq*2] inc lineq jnz .loop REP_RET