| ; |
| ; Simple IDCT MMX |
| ; |
| ; Copyright (c) 2001, 2002 Michael Niedermayer <michaelni@gmx.at> |
| ; |
| ; Conversion from gcc syntax to x264asm syntax with minimal modifications |
| ; by James Darnley <jdarnley@obe.tv>. |
| ; |
| ; This file is part of FFmpeg. |
| ; |
| ; FFmpeg is free software; you can redistribute it and/or |
| ; modify it under the terms of the GNU Lesser General Public |
| ; License as published by the Free Software Foundation; either |
| ; version 2.1 of the License, or (at your option) any later version. |
| ; |
| ; FFmpeg is distributed in the hope that it will be useful, |
| ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| ; Lesser General Public License for more details. |
| ; |
| ; You should have received a copy of the GNU Lesser General Public |
| ; License along with FFmpeg; if not, write to the Free Software |
| ; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| ;/ |
| |
| %include "libavutil/x86/x86util.asm" |
| |
| SECTION_RODATA |
| |
| cextern pb_80 |
| |
| wm1010: dw 0, 0xffff, 0, 0xffff |
| d40000: dd 4 << 16, 0 |
| |
| ; 23170.475006 |
| ; 22725.260826 |
| ; 21406.727617 |
| ; 19265.545870 |
| ; 16384.000000 |
| ; 12872.826198 |
| ; 8866.956905 |
| ; 4520.335430 |
| |
| %define C0 23170 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| %define C1 22725 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| %define C2 21407 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| %define C3 19266 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| %define C4 16383 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5 |
| %define C5 12873 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| %define C6 8867 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| %define C7 4520 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5 |
| |
| %define ROW_SHIFT 11 |
| %define COL_SHIFT 20 ; 6 |
| |
| coeffs: |
| dw 1 << (ROW_SHIFT - 1), 0 |
| dw 1 << (ROW_SHIFT - 1), 0 |
| dw 1 << (ROW_SHIFT - 1), 1 |
| dw 1 << (ROW_SHIFT - 1), 0 |
| |
| dw C4, C4, C4, C4 |
| dw C4, -C4, C4, -C4 |
| |
| dw C2, C6, C2, C6 |
| dw C6, -C2, C6, -C2 |
| |
| dw C1, C3, C1, C3 |
| dw C5, C7, C5, C7 |
| |
| dw C3, -C7, C3, -C7 |
| dw -C1, -C5, -C1, -C5 |
| |
| dw C5, -C1, C5, -C1 |
| dw C7, C3, C7, C3 |
| |
| dw C7, -C5, C7, -C5 |
| dw C3, -C1, C3, -C1 |
| |
| SECTION .text |
| |
| %macro DC_COND_IDCT 7 |
| movq mm0, [blockq + %1] ; R4 R0 r4 r0 |
| movq mm1, [blockq + %2] ; R6 R2 r6 r2 |
| movq mm2, [blockq + %3] ; R3 R1 r3 r1 |
| movq mm3, [blockq + %4] ; R7 R5 r7 r5 |
| movq mm4, [wm1010] |
| pand mm4, mm0 |
| por mm4, mm1 |
| por mm4, mm2 |
| por mm4, mm3 |
| packssdw mm4, mm4 |
| movd t0d, mm4 |
| or t0d, t0d |
| jz %%1 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm5, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2 |
| movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6 |
| pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2 |
| movq mm7, [coeffs + 48] ; C3 C1 C3 C1 |
| pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1 |
| paddd mm4, [coeffs + 8] |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| paddd mm4, mm5 ; A0 a0 |
| psubd mm6, mm5 ; A3 a3 |
| movq mm5, [coeffs + 56] ; C7 C5 C7 C5 |
| pmaddwd mm5, mm3 ; C7R7+C5R5 C7r7+C5r5 |
| paddd mm0, [coeffs + 8] |
| paddd mm1, mm0 ; A1 a1 |
| paddd mm0, mm0 |
| psubd mm0, mm1 ; A2 a2 |
| pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1 |
| paddd mm7, mm5 ; B0 b0 |
| movq mm5, [coeffs + 72] ; -C5 -C1 -C5 -C1 |
| pmaddwd mm5, mm3 ; -C5R7-C1R5 -C5r7-C1r5 |
| paddd mm7, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm7 ; A0-B0 a0-b0 |
| paddd mm5, mm2 ; B1 b1 |
| psrad mm7, %7 |
| psrad mm4, %7 |
| movq mm2, mm1 ; A1 a1 |
| paddd mm1, mm5 ; A1+B1 a1+b1 |
| psubd mm2, mm5 ; A1-B1 a1-b1 |
| psrad mm1, %7 |
| psrad mm2, %7 |
| packssdw mm7, mm1 ; A1+B1 a1+b1 A0+B0 a0+b0 |
| packssdw mm2, mm4 ; A0-B0 a0-b0 A1-B1 a1-b1 |
| movq [%5], mm7 |
| movq mm1, [blockq + %3] ; R3 R1 r3 r1 |
| movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5 |
| movq [24 + %5], mm2 |
| pmaddwd mm4, mm1 ; -C1R3+C5R1 -C1r3+C5r1 |
| movq mm7, [coeffs + 88] ; C3 C7 C3 C7 |
| pmaddwd mm1, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1 |
| pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5 |
| movq mm2, mm0 ; A2 a2 |
| pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5 |
| paddd mm4, mm7 ; B2 b2 |
| paddd mm2, mm4 ; A2+B2 a2+b2 |
| psubd mm0, mm4 ; a2-B2 a2-b2 |
| psrad mm2, %7 |
| psrad mm0, %7 |
| movq mm4, mm6 ; A3 a3 |
| paddd mm3, mm1 ; B3 b3 |
| paddd mm6, mm3 ; A3+B3 a3+b3 |
| psubd mm4, mm3 ; a3-B3 a3-b3 |
| psrad mm6, %7 |
| packssdw mm2, mm6 ; A3+B3 a3+b3 A2+B2 a2+b2 |
| movq [8 + %5], mm2 |
| psrad mm4, %7 |
| packssdw mm4, mm0 ; A2-B2 a2-b2 A3-B3 a3-b3 |
| movq [16 + %5], mm4 |
| jmp %%2 |
| %%1: |
| pslld mm0, 16 |
| paddd mm0, [d40000] |
| psrad mm0, 13 |
| packssdw mm0, mm0 |
| movq [%5], mm0 |
| movq [8 + %5], mm0 |
| movq [16 + %5], mm0 |
| movq [24 + %5], mm0 |
| %%2: |
| %endmacro |
| |
| %macro Z_COND_IDCT 8 |
| movq mm0, [blockq + %1] ; R4 R0 r4 r0 |
| movq mm1, [blockq + %2] ; R6 R2 r6 r2 |
| movq mm2, [blockq + %3] ; R3 R1 r3 r1 |
| movq mm3, [blockq + %4] ; R7 R5 r7 r5 |
| movq mm4, mm0 |
| por mm4, mm1 |
| por mm4, mm2 |
| por mm4, mm3 |
| packssdw mm4, mm4 |
| movd t0d, mm4 |
| or t0d, t0d |
| jz %8 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm5, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2 |
| movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6 |
| pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2 |
| movq mm7, [coeffs + 48] ; C3 C1 C3 C1 |
| pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1 |
| paddd mm4, [coeffs] |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| paddd mm4, mm5 ; A0 a0 |
| psubd mm6, mm5 ; A3 a3 |
| movq mm5, [coeffs + 56] ; C7 C5 C7 C5 |
| pmaddwd mm5, mm3 ; C7R7+C5R5 C7r7+C5r5 |
| paddd mm0, [coeffs] |
| paddd mm1, mm0 ; A1 a1 |
| paddd mm0, mm0 |
| psubd mm0, mm1 ; A2 a2 |
| pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1 |
| paddd mm7, mm5 ; B0 b0 |
| movq mm5, [coeffs + 72] ; -C5 -C1 -C5 -C1 |
| pmaddwd mm5, mm3 ; -C5R7-C1R5 -C5r7-C1r5 |
| paddd mm7, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm7 ; A0-B0 a0-b0 |
| paddd mm5, mm2 ; B1 b1 |
| psrad mm7, %7 |
| psrad mm4, %7 |
| movq mm2, mm1 ; A1 a1 |
| paddd mm1, mm5 ; A1+B1 a1+b1 |
| psubd mm2, mm5 ; A1-B1 a1-b1 |
| psrad mm1, %7 |
| psrad mm2, %7 |
| packssdw mm7, mm1 ; A1+B1 a1+b1 A0+B0 a0+b0 |
| packssdw mm2, mm4 ; A0-B0 a0-b0 A1-B1 a1-b1 |
| movq [%5], mm7 |
| movq mm1, [blockq + %3] ; R3 R1 r3 r1 |
| movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5 |
| movq [24 + %5], mm2 |
| pmaddwd mm4, mm1 ; -C1R3+C5R1 -C1r3+C5r1 |
| movq mm7, [coeffs + 88] ; C3 C7 C3 C7 |
| pmaddwd mm1, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1 |
| pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5 |
| movq mm2, mm0 ; A2 a2 |
| pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5 |
| paddd mm4, mm7 ; B2 b2 |
| paddd mm2, mm4 ; A2+B2 a2+b2 |
| psubd mm0, mm4 ; a2-B2 a2-b2 |
| psrad mm2, %7 |
| psrad mm0, %7 |
| movq mm4, mm6 ; A3 a3 |
| paddd mm3, mm1 ; B3 b3 |
| paddd mm6, mm3 ; A3+B3 a3+b3 |
| psubd mm4, mm3 ; a3-B3 a3-b3 |
| psrad mm6, %7 |
| packssdw mm2, mm6 ; A3+B3 a3+b3 A2+B2 a2+b2 |
| movq [8 + %5], mm2 |
| psrad mm4, %7 |
| packssdw mm4, mm0 ; A2-B2 a2-b2 A3-B3 a3-b3 |
| movq [16 + %5], mm4 |
| %endmacro |
| |
| %macro IDCT1 6 |
| movq mm0, %1 ; R4 R0 r4 r0 |
| movq mm1, %2 ; R6 R2 r6 r2 |
| movq mm2, %3 ; R3 R1 r3 r1 |
| movq mm3, %4 ; R7 R5 r7 r5 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm5, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2 |
| movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6 |
| pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm7, [coeffs + 48] ; C3 C1 C3 C1 |
| pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1 |
| paddd mm4, mm5 ; A0 a0 |
| psubd mm6, mm5 ; A3 a3 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| paddd mm0, mm1 ; A1 a1 |
| psubd mm5, mm1 ; A2 a2 |
| movq mm1, [coeffs + 56] ; C7 C5 C7 C5 |
| pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5 |
| pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1 |
| paddd mm7, mm1 ; B0 b0 |
| movq mm1, [coeffs + 72] ; -C5 -C1 -C5 -C1 |
| pmaddwd mm1, mm3 ; -C5R7-C1R5 -C5r7-C1r5 |
| paddd mm7, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm7 ; A0-B0 a0-b0 |
| paddd mm1, mm2 ; B1 b1 |
| psrad mm7, %6 |
| psrad mm4, %6 |
| movq mm2, mm0 ; A1 a1 |
| paddd mm0, mm1 ; A1+B1 a1+b1 |
| psubd mm2, mm1 ; A1-B1 a1-b1 |
| psrad mm0, %6 |
| psrad mm2, %6 |
| packssdw mm7, mm7 ; A0+B0 a0+b0 |
| movd [%5], mm7 |
| packssdw mm0, mm0 ; A1+B1 a1+b1 |
| movd [16 + %5], mm0 |
| packssdw mm2, mm2 ; A1-B1 a1-b1 |
| movd [96 + %5], mm2 |
| packssdw mm4, mm4 ; A0-B0 a0-b0 |
| movd [112 + %5], mm4 |
| movq mm0, %3 ; R3 R1 r3 r1 |
| movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5 |
| pmaddwd mm4, mm0 ; -C1R3+C5R1 -C1r3+C5r1 |
| movq mm7, [coeffs + 88] ; C3 C7 C3 C7 |
| pmaddwd mm0, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1 |
| pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5 |
| movq mm2, mm5 ; A2 a2 |
| pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5 |
| paddd mm4, mm7 ; B2 b2 |
| paddd mm2, mm4 ; A2+B2 a2+b2 |
| psubd mm5, mm4 ; a2-B2 a2-b2 |
| psrad mm2, %6 |
| psrad mm5, %6 |
| movq mm4, mm6 ; A3 a3 |
| paddd mm3, mm0 ; B3 b3 |
| paddd mm6, mm3 ; A3+B3 a3+b3 |
| psubd mm4, mm3 ; a3-B3 a3-b3 |
| psrad mm6, %6 |
| psrad mm4, %6 |
| packssdw mm2, mm2 ; A2+B2 a2+b2 |
| packssdw mm6, mm6 ; A3+B3 a3+b3 |
| movd [32 + %5], mm2 |
| packssdw mm4, mm4 ; A3-B3 a3-b3 |
| packssdw mm5, mm5 ; A2-B2 a2-b2 |
| movd [48 + %5], mm6 |
| movd [64 + %5], mm4 |
| movd [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT2 6 |
| movq mm0, %1 ; R4 R0 r4 r0 |
| movq mm1, %2 ; R6 R2 r6 r2 |
| movq mm3, %4 ; R7 R5 r7 r5 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm5, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2 |
| movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6 |
| pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| paddd mm4, mm5 ; A0 a0 |
| psubd mm6, mm5 ; A3 a3 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| paddd mm0, mm1 ; A1 a1 |
| psubd mm5, mm1 ; A2 a2 |
| movq mm1, [coeffs + 56] ; C7 C5 C7 C5 |
| pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5 |
| movq mm7, [coeffs + 72] ; -C5 -C1 -C5 -C1 |
| pmaddwd mm7, mm3 ; -C5R7-C1R5 -C5r7-C1r5 |
| paddd mm1, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm1 ; A0-B0 a0-b0 |
| psrad mm1, %6 |
| psrad mm4, %6 |
| movq mm2, mm0 ; A1 a1 |
| paddd mm0, mm7 ; A1+B1 a1+b1 |
| psubd mm2, mm7 ; A1-B1 a1-b1 |
| psrad mm0, %6 |
| psrad mm2, %6 |
| packssdw mm1, mm1 ; A0+B0 a0+b0 |
| movd [%5], mm1 |
| packssdw mm0, mm0 ; A1+B1 a1+b1 |
| movd [16 + %5], mm0 |
| packssdw mm2, mm2 ; A1-B1 a1-b1 |
| movd [96 + %5], mm2 |
| packssdw mm4, mm4 ; A0-B0 a0-b0 |
| movd [112 + %5], mm4 |
| movq mm1, [coeffs + 88] ; C3 C7 C3 C7 |
| pmaddwd mm1, mm3 ; C3R7+C7R5 C3r7+C7r5 |
| movq mm2, mm5 ; A2 a2 |
| pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5 |
| paddd mm2, mm1 ; A2+B2 a2+b2 |
| psubd mm5, mm1 ; a2-B2 a2-b2 |
| psrad mm2, %6 |
| psrad mm5, %6 |
| movq mm1, mm6 ; A3 a3 |
| paddd mm6, mm3 ; A3+B3 a3+b3 |
| psubd mm1, mm3 ; a3-B3 a3-b3 |
| psrad mm6, %6 |
| psrad mm1, %6 |
| packssdw mm2, mm2 ; A2+B2 a2+b2 |
| packssdw mm6, mm6 ; A3+B3 a3+b3 |
| movd [32 + %5], mm2 |
| packssdw mm1, mm1 ; A3-B3 a3-b3 |
| packssdw mm5, mm5 ; A2-B2 a2-b2 |
| movd [48 + %5], mm6 |
| movd [64 + %5], mm1 |
| movd [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT3 6 |
| movq mm0, %1 ; R4 R0 r4 r0 |
| movq mm3, %4 ; R7 R5 r7 r5 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm1, [coeffs + 56] ; C7 C5 C7 C5 |
| pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5 |
| movq mm7, [coeffs + 72] ; -C5 -C1 -C5 -C1 |
| pmaddwd mm7, mm3 ; -C5R7-C1R5 -C5r7-C1r5 |
| paddd mm1, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm1 ; A0-B0 a0-b0 |
| psrad mm1, %6 |
| psrad mm4, %6 |
| movq mm2, mm0 ; A1 a1 |
| paddd mm0, mm7 ; A1+B1 a1+b1 |
| psubd mm2, mm7 ; A1-B1 a1-b1 |
| psrad mm0, %6 |
| psrad mm2, %6 |
| packssdw mm1, mm1 ; A0+B0 a0+b0 |
| movd [%5], mm1 |
| packssdw mm0, mm0 ; A1+B1 a1+b1 |
| movd [16 + %5], mm0 |
| packssdw mm2, mm2 ; A1-B1 a1-b1 |
| movd [96 + %5], mm2 |
| packssdw mm4, mm4 ; A0-B0 a0-b0 |
| movd [112 + %5], mm4 |
| movq mm1, [coeffs + 88] ; C3 C7 C3 C7 |
| pmaddwd mm1, mm3 ; C3R7+C7R5 C3r7+C7r5 |
| movq mm2, mm5 ; A2 a2 |
| pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5 |
| paddd mm2, mm1 ; A2+B2 a2+b2 |
| psubd mm5, mm1 ; a2-B2 a2-b2 |
| psrad mm2, %6 |
| psrad mm5, %6 |
| movq mm1, mm6 ; A3 a3 |
| paddd mm6, mm3 ; A3+B3 a3+b3 |
| psubd mm1, mm3 ; a3-B3 a3-b3 |
| psrad mm6, %6 |
| psrad mm1, %6 |
| packssdw mm2, mm2 ; A2+B2 a2+b2 |
| packssdw mm6, mm6 ; A3+B3 a3+b3 |
| movd [32 + %5], mm2 |
| packssdw mm1, mm1 ; A3-B3 a3-b3 |
| packssdw mm5, mm5 ; A2-B2 a2-b2 |
| movd [48 + %5], mm6 |
| movd [64 + %5], mm1 |
| movd [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT4 6 |
| movq mm0, %1 ; R4 R0 r4 r0 |
| movq mm2, %3 ; R3 R1 r3 r1 |
| movq mm3, %4 ; R7 R5 r7 r5 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm7, [coeffs + 48] ; C3 C1 C3 C1 |
| pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm1, [coeffs + 56] ; C7 C5 C7 C5 |
| pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5 |
| pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1 |
| paddd mm7, mm1 ; B0 b0 |
| movq mm1, [coeffs + 72] ; -C5 -C1 -C5 -C1 |
| pmaddwd mm1, mm3 ; -C5R7-C1R5 -C5r7-C1r5 |
| paddd mm7, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm7 ; A0-B0 a0-b0 |
| paddd mm1, mm2 ; B1 b1 |
| psrad mm7, %6 |
| psrad mm4, %6 |
| movq mm2, mm0 ; A1 a1 |
| paddd mm0, mm1 ; A1+B1 a1+b1 |
| psubd mm2, mm1 ; A1-B1 a1-b1 |
| psrad mm0, %6 |
| psrad mm2, %6 |
| packssdw mm7, mm7 ; A0+B0 a0+b0 |
| movd [%5], mm7 |
| packssdw mm0, mm0 ; A1+B1 a1+b1 |
| movd [16 + %5], mm0 |
| packssdw mm2, mm2 ; A1-B1 a1-b1 |
| movd [96 + %5], mm2 |
| packssdw mm4, mm4 ; A0-B0 a0-b0 |
| movd [112 + %5], mm4 |
| movq mm0, %3 ; R3 R1 r3 r1 |
| movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5 |
| pmaddwd mm4, mm0 ; -C1R3+C5R1 -C1r3+C5r1 |
| movq mm7, [coeffs + 88] ; C3 C7 C3 C7 |
| pmaddwd mm0, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1 |
| pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5 |
| movq mm2, mm5 ; A2 a2 |
| pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5 |
| paddd mm4, mm7 ; B2 b2 |
| paddd mm2, mm4 ; A2+B2 a2+b2 |
| psubd mm5, mm4 ; a2-B2 a2-b2 |
| psrad mm2, %6 |
| psrad mm5, %6 |
| movq mm4, mm6 ; A3 a3 |
| paddd mm3, mm0 ; B3 b3 |
| paddd mm6, mm3 ; A3+B3 a3+b3 |
| psubd mm4, mm3 ; a3-B3 a3-b3 |
| psrad mm6, %6 |
| psrad mm4, %6 |
| packssdw mm2, mm2 ; A2+B2 a2+b2 |
| packssdw mm6, mm6 ; A3+B3 a3+b3 |
| movd [32 + %5], mm2 |
| packssdw mm4, mm4 ; A3-B3 a3-b3 |
| packssdw mm5, mm5 ; A2-B2 a2-b2 |
| movd [48 + %5], mm6 |
| movd [64 + %5], mm4 |
| movd [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT5 6 |
| movq mm0, %1 ; R4 R0 r4 r0 |
| movq mm2, %3 ; R3 R1 r3 r1 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm7, [coeffs + 48] ; C3 C1 C3 C1 |
| pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm3, [coeffs + 64] |
| pmaddwd mm3, mm2 ; -C7R3+C3R1 -C7r3+C3r1 |
| paddd mm7, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm7 ; A0-B0 a0-b0 |
| psrad mm7, %6 |
| psrad mm4, %6 |
| movq mm1, mm0 ; A1 a1 |
| paddd mm0, mm3 ; A1+B1 a1+b1 |
| psubd mm1, mm3 ; A1-B1 a1-b1 |
| psrad mm0, %6 |
| psrad mm1, %6 |
| packssdw mm7, mm7 ; A0+B0 a0+b0 |
| movd [%5], mm7 |
| packssdw mm0, mm0 ; A1+B1 a1+b1 |
| movd [16 + %5], mm0 |
| packssdw mm1, mm1 ; A1-B1 a1-b1 |
| movd [96 + %5], mm1 |
| packssdw mm4, mm4 ; A0-B0 a0-b0 |
| movd [112 + %5], mm4 |
| movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5 |
| pmaddwd mm4, mm2 ; -C1R3+C5R1 -C1r3+C5r1 |
| pmaddwd mm2, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1 |
| movq mm1, mm5 ; A2 a2 |
| paddd mm1, mm4 ; A2+B2 a2+b2 |
| psubd mm5, mm4 ; a2-B2 a2-b2 |
| psrad mm1, %6 |
| psrad mm5, %6 |
| movq mm4, mm6 ; A3 a3 |
| paddd mm6, mm2 ; A3+B3 a3+b3 |
| psubd mm4, mm2 ; a3-B3 a3-b3 |
| psrad mm6, %6 |
| psrad mm4, %6 |
| packssdw mm1, mm1 ; A2+B2 a2+b2 |
| packssdw mm6, mm6 ; A3+B3 a3+b3 |
| movd [32 + %5], mm1 |
| packssdw mm4, mm4 ; A3-B3 a3-b3 |
| packssdw mm5, mm5 ; A2-B2 a2-b2 |
| movd [48 + %5], mm6 |
| movd [64 + %5], mm4 |
| movd [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT6 6 |
| movq mm0, [%1] ; R4 R0 r4 r0 |
| movq mm1, [%2] ; R6 R2 r6 r2 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm5, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2 |
| movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6 |
| pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| paddd mm4, mm5 ; A0 a0 |
| psubd mm6, mm5 ; A3 a3 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| paddd mm0, mm1 ; A1 a1 |
| psubd mm5, mm1 ; A2 a2 |
| movq mm2, [8 + %1] ; R4 R0 r4 r0 |
| movq mm3, [8 + %2] ; R6 R2 r6 r2 |
| movq mm1, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm1, mm2 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm7, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm2, mm7 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm7, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm7, mm3 ; C6R6+C2R2 C6r6+C2r2 |
| pmaddwd mm3, [coeffs + 40] ; -C2R6+C6R2 -C2r6+C6r2 |
| paddd mm7, mm1 ; A0 a0 |
| paddd mm1, mm1 ; 2C0 2c0 |
| psubd mm1, mm7 ; A3 a3 |
| paddd mm3, mm2 ; A1 a1 |
| paddd mm2, mm2 ; 2C1 2c1 |
| psubd mm2, mm3 ; A2 a2 |
| psrad mm4, %6 |
| psrad mm7, %6 |
| psrad mm3, %6 |
| packssdw mm4, mm7 ; A0 a0 |
| movq [%5], mm4 |
| psrad mm0, %6 |
| packssdw mm0, mm3 ; A1 a1 |
| movq [16 + %5], mm0 |
| movq [96 + %5], mm0 |
| movq [112 + %5], mm4 |
| psrad mm5, %6 |
| psrad mm6, %6 |
| psrad mm2, %6 |
| packssdw mm5, mm2 ; A2-B2 a2-b2 |
| movq [32 + %5], mm5 |
| psrad mm1, %6 |
| packssdw mm6, mm1 ; A3+B3 a3+b3 |
| movq [48 + %5], mm6 |
| movq [64 + %5], mm6 |
| movq [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT7 6 |
| movq mm0, %1 ; R4 R0 r4 r0 |
| movq mm1, %2 ; R6 R2 r6 r2 |
| movq mm2, %3 ; R3 R1 r3 r1 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm5, [coeffs + 32] ; C6 C2 C6 C2 |
| pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2 |
| movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6 |
| pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2 |
| movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm7, [coeffs + 48] ; C3 C1 C3 C1 |
| pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1 |
| paddd mm4, mm5 ; A0 a0 |
| psubd mm6, mm5 ; A3 a3 |
| movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0 |
| paddd mm0, mm1 ; A1 a1 |
| psubd mm5, mm1 ; A2 a2 |
| movq mm1, [coeffs + 64] |
| pmaddwd mm1, mm2 ; -C7R3+C3R1 -C7r3+C3r1 |
| paddd mm7, mm4 ; A0+B0 a0+b0 |
| paddd mm4, mm4 ; 2A0 2a0 |
| psubd mm4, mm7 ; A0-B0 a0-b0 |
| psrad mm7, %6 |
| psrad mm4, %6 |
| movq mm3, mm0 ; A1 a1 |
| paddd mm0, mm1 ; A1+B1 a1+b1 |
| psubd mm3, mm1 ; A1-B1 a1-b1 |
| psrad mm0, %6 |
| psrad mm3, %6 |
| packssdw mm7, mm7 ; A0+B0 a0+b0 |
| movd [%5], mm7 |
| packssdw mm0, mm0 ; A1+B1 a1+b1 |
| movd [16 + %5], mm0 |
| packssdw mm3, mm3 ; A1-B1 a1-b1 |
| movd [96 + %5], mm3 |
| packssdw mm4, mm4 ; A0-B0 a0-b0 |
| movd [112 + %5], mm4 |
| movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5 |
| pmaddwd mm4, mm2 ; -C1R3+C5R1 -C1r3+C5r1 |
| pmaddwd mm2, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1 |
| movq mm3, mm5 ; A2 a2 |
| paddd mm3, mm4 ; A2+B2 a2+b2 |
| psubd mm5, mm4 ; a2-B2 a2-b2 |
| psrad mm3, %6 |
| psrad mm5, %6 |
| movq mm4, mm6 ; A3 a3 |
| paddd mm6, mm2 ; A3+B3 a3+b3 |
| psubd mm4, mm2 ; a3-B3 a3-b3 |
| psrad mm6, %6 |
| packssdw mm3, mm3 ; A2+B2 a2+b2 |
| movd [32 + %5], mm3 |
| psrad mm4, %6 |
| packssdw mm6, mm6 ; A3+B3 a3+b3 |
| movd [48 + %5], mm6 |
| packssdw mm4, mm4 ; A3-B3 a3-b3 |
| packssdw mm5, mm5 ; A2-B2 a2-b2 |
| movd [64 + %5], mm4 |
| movd [80 + %5], mm5 |
| %endmacro |
| |
| %macro IDCT8 6 |
| movq mm0, [%1] ; R4 R0 r4 r0 |
| movq mm4, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0 |
| psrad mm4, %6 |
| psrad mm0, %6 |
| movq mm2, [8 + %1] ; R4 R0 r4 r0 |
| movq mm1, [coeffs + 16] ; C4 C4 C4 C4 |
| pmaddwd mm1, mm2 ; C4R4+C4R0 C4r4+C4r0 |
| movq mm7, [coeffs + 24] ; -C4 C4 -C4 C4 |
| pmaddwd mm2, mm7 ; -C4R4+C4R0 -C4r4+C4r0 |
| movq mm7, [coeffs + 32] ; C6 C2 C6 C2 |
| psrad mm1, %6 |
| packssdw mm4, mm1 ; A0 a0 |
| movq [%5], mm4 |
| psrad mm2, %6 |
| packssdw mm0, mm2 ; A1 a1 |
| movq [16 + %5], mm0 |
| movq [96 + %5], mm0 |
| movq [112 + %5], mm4 |
| movq [32 + %5], mm0 |
| movq [48 + %5], mm4 |
| movq [64 + %5], mm4 |
| movq [80 + %5], mm0 |
| %endmacro |
| |
| %macro IDCT 0 |
| DC_COND_IDCT 0, 8, 16, 24, rsp + 0, null, 11 |
| Z_COND_IDCT 32, 40, 48, 56, rsp + 32, null, 11, %%4 |
| Z_COND_IDCT 64, 72, 80, 88, rsp + 64, null, 11, %%2 |
| Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%1 |
| |
| IDCT1 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 |
| IDCT1 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20 |
| IDCT1 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 |
| IDCT1 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%4: |
| Z_COND_IDCT 64, 72, 80, 88, rsp + 64, null, 11, %%6 |
| Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%5 |
| |
| IDCT2 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 |
| IDCT2 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20 |
| IDCT2 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 |
| IDCT2 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%6: |
| Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%7 |
| |
| IDCT3 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 |
| IDCT3 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20 |
| IDCT3 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 |
| IDCT3 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%2: |
| Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%3 |
| |
| IDCT4 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 |
| IDCT4 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20 |
| IDCT4 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 |
| IDCT4 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%3: |
| |
| IDCT5 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 |
| IDCT5 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20 |
| IDCT5 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 |
| IDCT5 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%5: |
| |
| IDCT6 rsp + 0, rsp + 64, rsp + 32, rsp + 96, blockq + 0, 20 |
| IDCT6 rsp + 16, rsp + 80, rsp + 48, rsp + 112, blockq + 8, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%1: |
| |
| IDCT7 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20 |
| IDCT7 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20 |
| IDCT7 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20 |
| IDCT7 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20 |
| jmp %%9 |
| |
| ALIGN 16 |
| %%7: |
| |
| IDCT8 rsp + 0, rsp + 64, rsp + 32, rsp + 96, blockq + 0, 20 |
| IDCT8 rsp + 16, rsp + 80, rsp + 48, rsp + 112, blockq + 8, 20 |
| |
| %%9: |
| %endmacro |
| |
| %macro PUT_PIXELS_CLAMPED_HALF 1 |
| mova m0, [blockq+mmsize*0+%1] |
| mova m1, [blockq+mmsize*2+%1] |
| %if mmsize == 8 |
| mova m2, [blockq+mmsize*4+%1] |
| mova m3, [blockq+mmsize*6+%1] |
| %endif |
| packuswb m0, [blockq+mmsize*1+%1] |
| packuswb m1, [blockq+mmsize*3+%1] |
| %if mmsize == 8 |
| packuswb m2, [blockq+mmsize*5+%1] |
| packuswb m3, [blockq+mmsize*7+%1] |
| movq [pixelsq], m0 |
| movq [lsizeq+pixelsq], m1 |
| movq [2*lsizeq+pixelsq], m2 |
| movq [lsize3q+pixelsq], m3 |
| %else |
| movq [pixelsq], m0 |
| movhps [lsizeq+pixelsq], m0 |
| movq [2*lsizeq+pixelsq], m1 |
| movhps [lsize3q+pixelsq], m1 |
| %endif |
| %endmacro |
| |
| %macro ADD_PIXELS_CLAMPED 1 |
| mova m0, [blockq+mmsize*0+%1] |
| mova m1, [blockq+mmsize*1+%1] |
| %if mmsize == 8 |
| mova m5, [blockq+mmsize*2+%1] |
| mova m6, [blockq+mmsize*3+%1] |
| %endif |
| movq m2, [pixelsq] |
| movq m3, [pixelsq+lsizeq] |
| %if mmsize == 8 |
| mova m7, m2 |
| punpcklbw m2, m4 |
| punpckhbw m7, m4 |
| paddsw m0, m2 |
| paddsw m1, m7 |
| mova m7, m3 |
| punpcklbw m3, m4 |
| punpckhbw m7, m4 |
| paddsw m5, m3 |
| paddsw m6, m7 |
| %else |
| punpcklbw m2, m4 |
| punpcklbw m3, m4 |
| paddsw m0, m2 |
| paddsw m1, m3 |
| %endif |
| packuswb m0, m1 |
| %if mmsize == 8 |
| packuswb m5, m6 |
| movq [pixelsq], m0 |
| movq [pixelsq+lsizeq], m5 |
| %else |
| movq [pixelsq], m0 |
| movhps [pixelsq+lsizeq], m0 |
| %endif |
| %endmacro |
| |
| INIT_MMX mmx |
| |
| cglobal simple_idct, 1, 2, 8, 128, block, t0 |
| IDCT |
| RET |
| |
| cglobal simple_idct_put, 3, 5, 8, 128, pixels, lsize, block, lsize3, t0 |
| IDCT |
| lea lsize3q, [lsizeq*3] |
| PUT_PIXELS_CLAMPED_HALF 0 |
| lea pixelsq, [pixelsq+lsizeq*4] |
| PUT_PIXELS_CLAMPED_HALF 64 |
| RET |
| |
| cglobal simple_idct_add, 3, 4, 8, 128, pixels, lsize, block, t0 |
| IDCT |
| pxor m4, m4 |
| ADD_PIXELS_CLAMPED 0 |
| lea pixelsq, [pixelsq+lsizeq*2] |
| ADD_PIXELS_CLAMPED 32 |
| lea pixelsq, [pixelsq+lsizeq*2] |
| ADD_PIXELS_CLAMPED 64 |
| lea pixelsq, [pixelsq+lsizeq*2] |
| ADD_PIXELS_CLAMPED 96 |
| RET |
| |
| INIT_XMM sse2 |
| |
| cglobal simple_idct_put, 3, 5, 8, 128, pixels, lsize, block, lsize3, t0 |
| IDCT |
| lea lsize3q, [lsizeq*3] |
| PUT_PIXELS_CLAMPED_HALF 0 |
| lea pixelsq, [pixelsq+lsizeq*4] |
| PUT_PIXELS_CLAMPED_HALF 64 |
| RET |
| |
| cglobal simple_idct_add, 3, 4, 8, 128, pixels, lsize, block, t0 |
| IDCT |
| pxor m4, m4 |
| ADD_PIXELS_CLAMPED 0 |
| lea pixelsq, [pixelsq+lsizeq*2] |
| ADD_PIXELS_CLAMPED 32 |
| lea pixelsq, [pixelsq+lsizeq*2] |
| ADD_PIXELS_CLAMPED 64 |
| lea pixelsq, [pixelsq+lsizeq*2] |
| ADD_PIXELS_CLAMPED 96 |
| RET |