382 lines
12 KiB
ArmAsm
382 lines
12 KiB
ArmAsm
/*
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* Blackfin Pixel Operations
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* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config_bfin.h"
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DEFUN(put_pixels_clamped,mL1,
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(int16_t *block, uint8_t *dest, int line_size)):
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[--SP] = (R7:4);
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R4 = 0;
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R5.l = 0x00ff;
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R5.h = 0x00ff;
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I0 = R0; // block
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I1 = R1; // dest
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R2 += -4; // line_size
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M1 = R2;
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P0 = 8;
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R0 = [I0++];
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R1 = [I0++];
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R2 = MAX(R0, R4) (V);
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LSETUP (ppc$0,ppc$1) LC0=P0;
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ppc$0: R2 = MIN(R2, R5) (V);
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R3 = MAX(R1, R4) (V);
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R3 = MIN(R3, R5) (V) || R0 = [I0++];
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R6 = BYTEPACK (R2,R3) || R1 = [I0++];
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R2 = MAX(R0, R4) (V) || [I1++] = R6;
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R2 = MIN(R2, R5) (V);
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R3 = MAX(R1, R4) (V);
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R3 = MIN(R3, R5) (V) || R0 = [I0++];
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R6 = BYTEPACK (R2,R3) || R1 = [I0++];
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ppc$1: R2 = Max(R0, R4) (V) || [I1++M1] = R6;
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(R7:4) = [SP++];
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RTS;
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DEFUN_END(put_pixels_clamped)
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DEFUN(add_pixels_clamped,mL1,
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(int16_t *block, uint8_t *dest, int line_size)):
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[-- SP] = (R7:4);
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R4 = 0;
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I0 = 0;
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R2 += -4; // line_size
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M0 = R2;
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I1 = R1; // dest
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I3 = R0; // block
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I2 = R1; // dest
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P0 = 8;
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M3 = 2;
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R0 = [I3++] || R2 = [I1];
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R2 = R2 << 8 || R0.H = W[I3--] || R3 = [I1++];
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R3 = R3 >> 8 || R1.L = W[I3] || I3 += 4;
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R6 = BYTEOP3P(R1:0, R3:2) (LO) || R1.H = W[I3++] || R2 = [I1];
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LSETUP(apc$2,apc$3) LC1 = P0;
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apc$2: R7 = BYTEOP3P(R1:0, R3:2) (HI, R) || R0 = [I3++] || R3 = [I1++M0];
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R2 = R2 << 8 || R0.H = W[I3--];
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R3 = R3 >> 8 || R1.L = W[I3] || I3 += 4;
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R6 = R6 + R7 (S) || R1.H = W[I3];
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R6 = BYTEOP3P(R1:0, R3:2) (LO) || I3+=M3 || [I2++]=R6;
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R7 = BYTEOP3P(R1:0, R3:2) (HI, R) || R0 = [I3++] || R2 = [I1];
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R2 = R2 << 8 || R0.H = W[I3--] || R3 = [I1++];
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R3 = R3 >> 8 || R1.L = W[I3] || I3 += 4;
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R6 = R6 + R7 (S) || R1.H = W[I3++];
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apc$3: R6 = BYTEOP3P(R1:0, R3:2) (LO) || [I2++M0] = R6 || R2 = [I1];
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(R7:4) = [SP++];
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RTS;
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DEFUN_END(add_pixels_clamped)
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DEFUN(diff_pixels,mL1,
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(int16_t *block, uint8_t *s1, uint8_t *s2, int stride)):
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link 0;
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[--sp] = (r7:4);
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p0=8;
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i3=r0; // block
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i0=r1; // s1
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i1=r2; // s2
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r2=[fp+20]; // stride
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r2+=-8;
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m0=r2;
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LSETUP(.LS0,.LE0) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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.LS0: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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(R5,R4) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M0];
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(R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R0 = [I0++] || [I3++] = R4;
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DISALGNEXCPT || R2 = [I1++] || [I3++] = R5;
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[i3++]=r6;
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.LE0: [i3++]=r7;
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(r7:4) = [sp++];
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unlink;
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rts;
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DEFUN_END(diff_pixels)
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/*
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for (i = 0; i < 16; i++) {
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for (j = 0; j < 16; j++) {
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sum += pix[j];
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}
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pix += line_size;
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}
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*/
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DEFUN(pix_sum,mL1,
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(uint8_t *p, int stride)):
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link 0;
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[--sp] = (r7:4);
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p0=8;
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i0=r0; // s1
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i1=r0;
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m1=r1;
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r1=r1+r1;
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r1+=-16; // stride
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m0=r1;
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i1+=m1;
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r6=0;
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LSETUP(LS$PS,LE$PS) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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LS$PS: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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(R5,R4) = BYTEOP16P (R3:2,R1:0) || R0 = [I0++] || R2 = [I1++];
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r6=r6+|+r5;
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r6=r6+|+r4;
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(R5,R4) = BYTEOP16P (R3:2,R1:0) (R)|| R1 = [I0++] || R3 = [I1++];
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r6=r6+|+r5;
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r6=r6+|+r4;
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(R5,R4) = BYTEOP16P (R3:2,R1:0) || R0 = [I0++m0] || R2 = [I1++m0];
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r6=r6+|+r5;
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r6=r6+|+r4;
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(R5,R4) = BYTEOP16P (R3:2,R1:0) (R)|| R0 = [I0++] || R2 = [I1++];
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r6=r6+|+r5;
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LE$PS: r6=r6+|+r4;
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r0.l=r6.l+r6.h;
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r0.h=0;
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(r7:4) = [sp++];
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unlink;
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rts;
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DEFUN_END(pix_sum)
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DEFUN(get_pixels,mL1,
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(int16_t *av_restrict block, const uint8_t *pixels, int line_size)):
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[--sp] = (r7:4);
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i3=r0; // dest
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i0=r1; // src0
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p0=8;
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r2+=-8;
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m0=r2;
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LSETUP(gp8$0,gp8$1) LC0=P0;
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DISALGNEXCPT || R0 = [I0++];
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DISALGNEXCPT || R1 = [I0++];
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gp8$0: (R7,R6) = byteunpack R1:0 || R0 = [I0++M0];
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(R5,R4) = byteunpack R1:0 (R) || R0 = [I0++] || [I3++]=R6;
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DISALGNEXCPT || R1 = [I0++] || [I3++]=R7;
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[I3++]=R4;
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gp8$1: [I3++]=R5
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(r7:4) = [sp++];
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RTS;
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DEFUN_END(get_pixels)
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/* sad = sad16x16 (ubyte *mb, ubyte *refwin, srcwidth, refwinwidth, h) */
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/* 91 cycles */
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DEFUN(z_sad16x16,mL1,
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(uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h)):
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link 0;
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I0 = R0;
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I1 = R1;
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A1 = A0 = 0;
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R0 = [sp+20]; // rwidth
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P2 = [sp+24]; // height
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R3 = 16;
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R0 = R0 - R3;
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R3 = R2 - R3;
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M1 = R0;
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M0 = R3;
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DISALGNEXCPT || R0 = [I0++] || R2 = [I1++];
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LSETUP (s$16, e$16) LC0=P2;
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s$16: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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SAA (R1:0,R3:2) || R0 = [I0++] || R2 = [I1++];
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SAA (R1:0,R3:2) (R) || R1 = [I0++] || R3 = [I1++];
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SAA (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M1];
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e$16: SAA (R1:0,R3:2) (R) || R0 = [I0++] || R2 = [I1++];
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R3=A1.L+A1.H, R2=A0.L+A0.H ;
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R0 = R2 + R3 ;
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unlink;
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RTS;
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DEFUN_END(z_sad16x16)
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/* sad = sad8x8 (ubyte *mb, ubyte *refwin, int srcwidth, int refwinwidth, int h) */
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/* 36 cycles */
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DEFUN(z_sad8x8,mL1,
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(uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h)):
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I0 = R0;
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I1 = R1;
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A1 = A0 = 0;
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r0 = [sp+12]; // rwidth
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P2 = [sp+16]; //height
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R3 = 8;
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R0 = R0 - R3;
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R3 = R2 - R3;
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M0 = R3;
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M1 = R0;
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LSETUP (s$8, e$8) LC0=P2;
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DISALGNEXCPT || R0 = [I0++] || R2 = [I1++];
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DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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s$8: SAA (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M1];
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SAA (R1:0,R3:2) (R) || R0 = [I0++] || R2 = [I1++];
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e$8: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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R3=A1.L+A1.H, R2=A0.L+A0.H ;
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R0 = R2 + R3 ;
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RTS;
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DEFUN_END(z_sad8x8)
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DEFUN(pix_norm1,mL1,
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(uint8_t * pix, int line_size)):
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[--SP]=(R7:4,P5:3);
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// Fetch the input arguments.
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P1 = R0; // pix
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P0 = R1; // line_size
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P5 = 16; // loop ctr.
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P0 -= P5;
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M0 = P0; // M0 = line_size-16;
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// Now for the real work.
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A1 = A0 = 0;
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lsetup(_pix_norm1_blkfn_loopStart, _pix_norm1_blkfn_loopEnd) LC1 = P5;
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I0 = P1;
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DISALGNEXCPT || r0 = [i0++];
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_pix_norm1_blkfn_loopStart:
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// following unpacks pix1[0..15] pix1+line_size[0..15]
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DISALGNEXCPT || r1 = [i0++];
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(r5, r4) = byteunpack r1:0 || r0 = [i0++];
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a1 += r5.h * r5.h, a0 += r5.l * r5.l (is);
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a1 += r4.h * r4.h, a0 += r4.l * r4.l (is);
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(r5, r4) = byteunpack r1:0(r) || r1 = [i0++];
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a1 += r5.h * r5.h, a0 += r5.l * r5.l (is);
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a1 += r4.h * r4.h, a0 += r4.l * r4.l (is);
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(r5, r4) = byteunpack r1:0 || r0 = [i0++M0];
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a1 += r5.h * r5.h, a0 += r5.l * r5.l (is);
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a1 += r4.h * r4.h, a0 += r4.l * r4.l (is);
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(r5, r4) = byteunpack r1:0(r) || r0 = [i0++];
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a1 += r5.h * r5.h, a0 += r5.l * r5.l (is);
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_pix_norm1_blkfn_loopEnd:
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a1 += r4.h * r4.h, a0 += r4.l * r4.l (is);
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// Clean up at the end:
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R2 = A0, R3 = A1;
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R0 = R2 + R3 (S);
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(R7:4,P5:3)=[SP++];
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RTS;
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DEFUN_END(pix_norm1)
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DEFUN(sse4,mL1,
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(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)):
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link 0;
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[--sp] = (r7:6);
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p0=[fp+24]; // h
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i0=r1; // pix1
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i1=r2; // pix2
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r2=[fp+20]; // line_size
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r2+=-4;
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m0=r2;
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a0=a1=0;
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LSETUP(.S40,.E40) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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.S40: DISALGNEXCPT || R1 = [I0++M0] || R3 = [I1++M0];
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(R7,R6) = BYTEOP16M (R1:0,R3:2);
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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.E40: a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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a0 += a1;
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r0 = a0;
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(r7:6) = [sp++];
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unlink;
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rts;
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DEFUN_END(sse4)
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DEFUN(sse8,mL1,
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(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)):
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link 0;
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[--sp] = (r7:6);
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p0=[fp+24]; // h
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i0=r1; // pix1
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i1=r2; // pix2
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r2=[fp+20]; // line_size
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r2+=-8;
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m0=r2;
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a0=a1=0;
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LSETUP(.S80,.E80) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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.S80: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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(R7,R6) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M0];
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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(R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R0 = [I0++] || R2 = [I1++];
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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.E80: a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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a0 += a1;
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r0 = a0;
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(r7:6) = [sp++];
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unlink;
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rts;
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DEFUN_END(sse8)
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DEFUN(sse16,mL1,
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(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)):
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link 0;
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[--sp] = (r7:6);
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p0=[fp+24]; // h
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i0=r1; // pix1
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i1=r2; // pix2
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r2=[fp+20]; // line_size
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r2+=-16;
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m0=r2;
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a0=a1=0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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LSETUP(.S160,.E160) LC0=P0;
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.S160: DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];
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(R7,R6) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++] || R2 = [I1++];
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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(R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R1 = [I0++] || R3 = [I1++];
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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(R7,R6) = BYTEOP16M (R1:0,R3:2) || R0 = [I0++M0] || R2 = [I1++M0];
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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(R7,R6) = BYTEOP16M (R1:0,R3:2) (R)|| R0 = [I0++] || R2 = [I1++];
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a0 += r7.l * r7.l, a1 += r7.h * r7.h (is);
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.E160: a0 += r6.l * r6.l, a1 += r6.h * r6.h (is);
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a0 += a1;
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r0 = a0;
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(r7:6) = [sp++];
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unlink;
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rts;
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DEFUN_END(sse16)
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