2010-05-18 17:58:33 +02:00
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;
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2010-09-09 14:16:39 +02:00
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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2010-05-18 17:58:33 +02:00
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;
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2010-06-18 18:39:21 +02:00
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; Use of this source code is governed by a BSD-style license
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2010-06-04 22:19:40 +02:00
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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2010-06-18 18:39:21 +02:00
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; in the file PATENTS. All contributing project authors may
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2010-06-04 22:19:40 +02:00
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; be found in the AUTHORS file in the root of the source tree.
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2010-05-18 17:58:33 +02:00
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;
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.globl vp8_sub_pixel_variance4x4_ppc
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.globl vp8_sub_pixel_variance8x8_ppc
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.globl vp8_sub_pixel_variance8x16_ppc
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.globl vp8_sub_pixel_variance16x8_ppc
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.globl vp8_sub_pixel_variance16x16_ppc
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.macro load_c V, LABEL, OFF, R0, R1
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lis \R0, \LABEL@ha
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la \R1, \LABEL@l(\R0)
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lvx \V, \OFF, \R1
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.endm
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.macro load_vfilter V0, V1
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load_c \V0, vfilter_b, r6, r12, r10
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addi r6, r6, 16
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lvx \V1, r6, r10
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.endm
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.macro HProlog jump_label
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;# load up horizontal filter
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slwi. r5, r5, 4 ;# index into horizontal filter array
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;# index to the next set of vectors in the row.
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li r10, 16
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;# downshift by 7 ( divide by 128 ) at the end
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vspltish v19, 7
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;# If there isn't any filtering to be done for the horizontal, then
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;# just skip to the second pass.
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beq \jump_label
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load_c v20, hfilter_b, r5, r12, r0
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;# setup constants
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;# v14 permutation value for alignment
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load_c v28, b_hperm_b, 0, r12, r0
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;# index to the next set of vectors in the row.
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li r12, 32
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;# rounding added in on the multiply
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vspltisw v21, 8
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vspltisw v18, 3
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vslw v18, v21, v18 ;# 0x00000040000000400000004000000040
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slwi. r6, r6, 5 ;# index into vertical filter array
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.endm
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;# Filters a horizontal line
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;# expects:
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;# r3 src_ptr
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;# r4 pitch
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;# r10 16
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;# r12 32
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;# v17 perm intput
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;# v18 rounding
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;# v19 shift
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;# v20 filter taps
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;# v21 tmp
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;# v22 tmp
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;# v23 tmp
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;# v24 tmp
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;# v25 tmp
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;# v26 tmp
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;# v27 tmp
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;# v28 perm output
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;#
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.macro hfilter_8 V, hp, lp, increment_counter
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lvsl v17, 0, r3 ;# permutate value for alignment
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;# input to filter is 9 bytes wide, output is 8 bytes.
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lvx v21, 0, r3
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lvx v22, r10, r3
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.if \increment_counter
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add r3, r3, r4
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.endif
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vperm v21, v21, v22, v17
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vperm v24, v21, v21, \hp ;# v20 = 0123 1234 2345 3456
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vperm v25, v21, v21, \lp ;# v21 = 4567 5678 6789 789A
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vmsummbm v24, v20, v24, v18
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vmsummbm v25, v20, v25, v18
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vpkswus v24, v24, v25 ;# v24 = 0 4 8 C 1 5 9 D (16-bit)
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vsrh v24, v24, v19 ;# divide v0, v1 by 128
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vpkuhus \V, v24, v24 ;# \V = scrambled 8-bit result
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.endm
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.macro vfilter_16 P0 P1
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vmuleub v22, \P0, v20 ;# 64 + 4 positive taps
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vadduhm v22, v18, v22
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vmuloub v23, \P0, v20
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vadduhm v23, v18, v23
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vmuleub v24, \P1, v21
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vadduhm v22, v22, v24 ;# Re = evens, saturation unnecessary
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vmuloub v25, \P1, v21
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vadduhm v23, v23, v25 ;# Ro = odds
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vsrh v22, v22, v19 ;# divide by 128
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vsrh v23, v23, v19 ;# v16 v17 = evens, odds
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vmrghh \P0, v22, v23 ;# v18 v19 = 16-bit result in order
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vmrglh v23, v22, v23
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vpkuhus \P0, \P0, v23 ;# P0 = 8-bit result
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.endm
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.macro compute_sum_sse src, ref, sum, sse, t1, t2, z0
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;# Compute sum first. Unpack to so signed subract
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;# can be used. Only have a half word signed
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;# subract. Do high, then low.
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vmrghb \t1, \z0, \src
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vmrghb \t2, \z0, \ref
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vsubshs \t1, \t1, \t2
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vsum4shs \sum, \t1, \sum
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vmrglb \t1, \z0, \src
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vmrglb \t2, \z0, \ref
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vsubshs \t1, \t1, \t2
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vsum4shs \sum, \t1, \sum
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;# Now compute sse.
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vsububs \t1, \src, \ref
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vsububs \t2, \ref, \src
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vor \t1, \t1, \t2
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vmsumubm \sse, \t1, \t1, \sse
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.endm
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.macro variance_final sum, sse, z0, DS
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vsumsws \sum, \sum, \z0
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vsumsws \sse, \sse, \z0
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stvx \sum, 0, r1
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lwz r3, 12(r1)
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stvx \sse, 0, r1
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lwz r4, 12(r1)
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stw r4, 0(r9) ;# sse
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mullw r3, r3, r3 ;# sum*sum
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2012-02-09 21:38:31 +01:00
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srlwi r3, r3, \DS ;# (sum*sum) >> 8
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2010-05-18 17:58:33 +02:00
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subf r3, r3, r4 ;# sse - ((sum*sum) >> 8)
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.endm
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.macro compute_sum_sse_16 V, increment_counter
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load_and_align_16 v16, r7, r8, \increment_counter
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compute_sum_sse \V, v16, v18, v19, v20, v21, v23
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.endm
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.macro load_and_align_16 V, R, P, increment_counter
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lvsl v17, 0, \R ;# permutate value for alignment
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;# input to filter is 21 bytes wide, output is 16 bytes.
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;# input will can span three vectors if not aligned correctly.
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lvx v21, 0, \R
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lvx v22, r10, \R
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.if \increment_counter
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add \R, \R, \P
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.endif
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vperm \V, v21, v22, v17
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.endm
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.align 2
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;# r3 unsigned char *src_ptr
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;# r4 int src_pixels_per_line
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;# r5 int xoffset
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;# r6 int yoffset
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;# r7 unsigned char *dst_ptr
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;# r8 int dst_pixels_per_line
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;# r9 unsigned int *sse
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;#
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;# r3 return value
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vp8_sub_pixel_variance4x4_ppc:
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mfspr r11, 256 ;# get old VRSAVE
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oris r12, r11, 0xf830
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ori r12, r12, 0xfff8
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mtspr 256, r12 ;# set VRSAVE
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stwu r1,-32(r1) ;# create space on the stack
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HProlog second_pass_4x4_pre_copy_b
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;# Load up permutation constants
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load_c v10, b_0123_b, 0, r12, r0
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load_c v11, b_4567_b, 0, r12, r0
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hfilter_8 v0, v10, v11, 1
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hfilter_8 v1, v10, v11, 1
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hfilter_8 v2, v10, v11, 1
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hfilter_8 v3, v10, v11, 1
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;# Finished filtering main horizontal block. If there is no
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;# vertical filtering, jump to storing the data. Otherwise
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;# load up and filter the additional line that is needed
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;# for the vertical filter.
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beq compute_sum_sse_4x4_b
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hfilter_8 v4, v10, v11, 0
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b second_pass_4x4_b
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second_pass_4x4_pre_copy_b:
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slwi r6, r6, 5 ;# index into vertical filter array
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load_and_align_16 v0, r3, r4, 1
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load_and_align_16 v1, r3, r4, 1
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load_and_align_16 v2, r3, r4, 1
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load_and_align_16 v3, r3, r4, 1
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load_and_align_16 v4, r3, r4, 0
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second_pass_4x4_b:
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vspltish v20, 8
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vspltish v18, 3
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vslh v18, v20, v18 ;# 0x0040 0040 0040 0040 0040 0040 0040 0040
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load_vfilter v20, v21
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vfilter_16 v0, v1
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vfilter_16 v1, v2
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vfilter_16 v2, v3
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vfilter_16 v3, v4
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compute_sum_sse_4x4_b:
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vspltish v18, 0 ;# sum
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vspltish v19, 0 ;# sse
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vspltish v23, 0 ;# unpack
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li r10, 16
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load_and_align_16 v4, r7, r8, 1
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load_and_align_16 v5, r7, r8, 1
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load_and_align_16 v6, r7, r8, 1
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load_and_align_16 v7, r7, r8, 1
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vmrghb v0, v0, v1
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vmrghb v1, v2, v3
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vmrghb v2, v4, v5
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vmrghb v3, v6, v7
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load_c v10, b_hilo_b, 0, r12, r0
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vperm v0, v0, v1, v10
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vperm v1, v2, v3, v10
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compute_sum_sse v0, v1, v18, v19, v20, v21, v23
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variance_final v18, v19, v23, 4
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addi r1, r1, 32 ;# recover stack
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mtspr 256, r11 ;# reset old VRSAVE
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blr
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.align 2
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;# r3 unsigned char *src_ptr
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;# r4 int src_pixels_per_line
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;# r5 int xoffset
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;# r6 int yoffset
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;# r7 unsigned char *dst_ptr
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;# r8 int dst_pixels_per_line
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;# r9 unsigned int *sse
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;#
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;# r3 return value
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vp8_sub_pixel_variance8x8_ppc:
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mfspr r11, 256 ;# get old VRSAVE
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oris r12, r11, 0xfff0
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ori r12, r12, 0xffff
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mtspr 256, r12 ;# set VRSAVE
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stwu r1,-32(r1) ;# create space on the stack
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HProlog second_pass_8x8_pre_copy_b
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;# Load up permutation constants
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load_c v10, b_0123_b, 0, r12, r0
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load_c v11, b_4567_b, 0, r12, r0
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hfilter_8 v0, v10, v11, 1
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hfilter_8 v1, v10, v11, 1
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hfilter_8 v2, v10, v11, 1
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hfilter_8 v3, v10, v11, 1
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hfilter_8 v4, v10, v11, 1
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hfilter_8 v5, v10, v11, 1
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hfilter_8 v6, v10, v11, 1
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hfilter_8 v7, v10, v11, 1
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;# Finished filtering main horizontal block. If there is no
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;# vertical filtering, jump to storing the data. Otherwise
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;# load up and filter the additional line that is needed
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;# for the vertical filter.
|
|
|
|
|
beq compute_sum_sse_8x8_b
|
|
|
|
|
|
|
|
|
|
hfilter_8 v8, v10, v11, 0
|
|
|
|
|
|
|
|
|
|
b second_pass_8x8_b
|
|
|
|
|
|
|
|
|
|
second_pass_8x8_pre_copy_b:
|
|
|
|
|
slwi. r6, r6, 5 ;# index into vertical filter array
|
|
|
|
|
|
|
|
|
|
load_and_align_16 v0, r3, r4, 1
|
|
|
|
|
load_and_align_16 v1, r3, r4, 1
|
|
|
|
|
load_and_align_16 v2, r3, r4, 1
|
|
|
|
|
load_and_align_16 v3, r3, r4, 1
|
|
|
|
|
load_and_align_16 v4, r3, r4, 1
|
|
|
|
|
load_and_align_16 v5, r3, r4, 1
|
|
|
|
|
load_and_align_16 v6, r3, r4, 1
|
|
|
|
|
load_and_align_16 v7, r3, r4, 1
|
|
|
|
|
load_and_align_16 v8, r3, r4, 0
|
|
|
|
|
|
|
|
|
|
beq compute_sum_sse_8x8_b
|
|
|
|
|
|
|
|
|
|
second_pass_8x8_b:
|
|
|
|
|
vspltish v20, 8
|
|
|
|
|
vspltish v18, 3
|
|
|
|
|
vslh v18, v20, v18 ;# 0x0040 0040 0040 0040 0040 0040 0040 0040
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|
|
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|
|
load_vfilter v20, v21
|
|
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|
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|
|
vfilter_16 v0, v1
|
|
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|
|
vfilter_16 v1, v2
|
|
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|
|
vfilter_16 v2, v3
|
|
|
|
|
vfilter_16 v3, v4
|
|
|
|
|
vfilter_16 v4, v5
|
|
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|
|
vfilter_16 v5, v6
|
|
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|
|
vfilter_16 v6, v7
|
|
|
|
|
vfilter_16 v7, v8
|
|
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|
|
|
|
|
|
|
compute_sum_sse_8x8_b:
|
|
|
|
|
vspltish v18, 0 ;# sum
|
|
|
|
|
vspltish v19, 0 ;# sse
|
|
|
|
|
vspltish v23, 0 ;# unpack
|
|
|
|
|
li r10, 16
|
|
|
|
|
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|
|
|
|
vmrghb v0, v0, v1
|
|
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|
|
vmrghb v1, v2, v3
|
|
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|
|
vmrghb v2, v4, v5
|
|
|
|
|
vmrghb v3, v6, v7
|
|
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|
|
|
|
|
|
|
load_and_align_16 v4, r7, r8, 1
|
|
|
|
|
load_and_align_16 v5, r7, r8, 1
|
|
|
|
|
load_and_align_16 v6, r7, r8, 1
|
|
|
|
|
load_and_align_16 v7, r7, r8, 1
|
|
|
|
|
load_and_align_16 v8, r7, r8, 1
|
|
|
|
|
load_and_align_16 v9, r7, r8, 1
|
|
|
|
|
load_and_align_16 v10, r7, r8, 1
|
|
|
|
|
load_and_align_16 v11, r7, r8, 0
|
|
|
|
|
|
|
|
|
|
vmrghb v4, v4, v5
|
|
|
|
|
vmrghb v5, v6, v7
|
|
|
|
|
vmrghb v6, v8, v9
|
|
|
|
|
vmrghb v7, v10, v11
|
|
|
|
|
|
|
|
|
|
compute_sum_sse v0, v4, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v1, v5, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v2, v6, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v3, v7, v18, v19, v20, v21, v23
|
|
|
|
|
|
|
|
|
|
variance_final v18, v19, v23, 6
|
|
|
|
|
|
|
|
|
|
addi r1, r1, 32 ;# recover stack
|
|
|
|
|
mtspr 256, r11 ;# reset old VRSAVE
|
|
|
|
|
blr
|
|
|
|
|
|
|
|
|
|
.align 2
|
|
|
|
|
;# r3 unsigned char *src_ptr
|
|
|
|
|
;# r4 int src_pixels_per_line
|
|
|
|
|
;# r5 int xoffset
|
|
|
|
|
;# r6 int yoffset
|
|
|
|
|
;# r7 unsigned char *dst_ptr
|
|
|
|
|
;# r8 int dst_pixels_per_line
|
|
|
|
|
;# r9 unsigned int *sse
|
|
|
|
|
;#
|
|
|
|
|
;# r3 return value
|
|
|
|
|
vp8_sub_pixel_variance8x16_ppc:
|
|
|
|
|
mfspr r11, 256 ;# get old VRSAVE
|
|
|
|
|
oris r12, r11, 0xffff
|
|
|
|
|
ori r12, r12, 0xfffc
|
|
|
|
|
mtspr 256, r12 ;# set VRSAVE
|
|
|
|
|
|
|
|
|
|
stwu r1,-32(r1) ;# create space on the stack
|
|
|
|
|
|
|
|
|
|
HProlog second_pass_8x16_pre_copy_b
|
|
|
|
|
|
|
|
|
|
;# Load up permutation constants
|
|
|
|
|
load_c v29, b_0123_b, 0, r12, r0
|
|
|
|
|
load_c v30, b_4567_b, 0, r12, r0
|
|
|
|
|
|
|
|
|
|
hfilter_8 v0, v29, v30, 1
|
|
|
|
|
hfilter_8 v1, v29, v30, 1
|
|
|
|
|
hfilter_8 v2, v29, v30, 1
|
|
|
|
|
hfilter_8 v3, v29, v30, 1
|
|
|
|
|
hfilter_8 v4, v29, v30, 1
|
|
|
|
|
hfilter_8 v5, v29, v30, 1
|
|
|
|
|
hfilter_8 v6, v29, v30, 1
|
|
|
|
|
hfilter_8 v7, v29, v30, 1
|
|
|
|
|
hfilter_8 v8, v29, v30, 1
|
|
|
|
|
hfilter_8 v9, v29, v30, 1
|
|
|
|
|
hfilter_8 v10, v29, v30, 1
|
|
|
|
|
hfilter_8 v11, v29, v30, 1
|
|
|
|
|
hfilter_8 v12, v29, v30, 1
|
|
|
|
|
hfilter_8 v13, v29, v30, 1
|
|
|
|
|
hfilter_8 v14, v29, v30, 1
|
|
|
|
|
hfilter_8 v15, v29, v30, 1
|
|
|
|
|
|
|
|
|
|
;# Finished filtering main horizontal block. If there is no
|
|
|
|
|
;# vertical filtering, jump to storing the data. Otherwise
|
|
|
|
|
;# load up and filter the additional line that is needed
|
|
|
|
|
;# for the vertical filter.
|
|
|
|
|
beq compute_sum_sse_8x16_b
|
|
|
|
|
|
|
|
|
|
hfilter_8 v16, v29, v30, 0
|
|
|
|
|
|
|
|
|
|
b second_pass_8x16_b
|
|
|
|
|
|
|
|
|
|
second_pass_8x16_pre_copy_b:
|
|
|
|
|
slwi. r6, r6, 5 ;# index into vertical filter array
|
|
|
|
|
|
|
|
|
|
load_and_align_16 v0, r3, r4, 1
|
|
|
|
|
load_and_align_16 v1, r3, r4, 1
|
|
|
|
|
load_and_align_16 v2, r3, r4, 1
|
|
|
|
|
load_and_align_16 v3, r3, r4, 1
|
|
|
|
|
load_and_align_16 v4, r3, r4, 1
|
|
|
|
|
load_and_align_16 v5, r3, r4, 1
|
|
|
|
|
load_and_align_16 v6, r3, r4, 1
|
|
|
|
|
load_and_align_16 v7, r3, r4, 1
|
|
|
|
|
load_and_align_16 v8, r3, r4, 1
|
|
|
|
|
load_and_align_16 v9, r3, r4, 1
|
|
|
|
|
load_and_align_16 v10, r3, r4, 1
|
|
|
|
|
load_and_align_16 v11, r3, r4, 1
|
|
|
|
|
load_and_align_16 v12, r3, r4, 1
|
|
|
|
|
load_and_align_16 v13, r3, r4, 1
|
|
|
|
|
load_and_align_16 v14, r3, r4, 1
|
|
|
|
|
load_and_align_16 v15, r3, r4, 1
|
|
|
|
|
load_and_align_16 v16, r3, r4, 0
|
|
|
|
|
|
|
|
|
|
beq compute_sum_sse_8x16_b
|
|
|
|
|
|
|
|
|
|
second_pass_8x16_b:
|
|
|
|
|
vspltish v20, 8
|
|
|
|
|
vspltish v18, 3
|
|
|
|
|
vslh v18, v20, v18 ;# 0x0040 0040 0040 0040 0040 0040 0040 0040
|
|
|
|
|
|
|
|
|
|
load_vfilter v20, v21
|
|
|
|
|
|
|
|
|
|
vfilter_16 v0, v1
|
|
|
|
|
vfilter_16 v1, v2
|
|
|
|
|
vfilter_16 v2, v3
|
|
|
|
|
vfilter_16 v3, v4
|
|
|
|
|
vfilter_16 v4, v5
|
|
|
|
|
vfilter_16 v5, v6
|
|
|
|
|
vfilter_16 v6, v7
|
|
|
|
|
vfilter_16 v7, v8
|
|
|
|
|
vfilter_16 v8, v9
|
|
|
|
|
vfilter_16 v9, v10
|
|
|
|
|
vfilter_16 v10, v11
|
|
|
|
|
vfilter_16 v11, v12
|
|
|
|
|
vfilter_16 v12, v13
|
|
|
|
|
vfilter_16 v13, v14
|
|
|
|
|
vfilter_16 v14, v15
|
|
|
|
|
vfilter_16 v15, v16
|
|
|
|
|
|
|
|
|
|
compute_sum_sse_8x16_b:
|
|
|
|
|
vspltish v18, 0 ;# sum
|
|
|
|
|
vspltish v19, 0 ;# sse
|
|
|
|
|
vspltish v23, 0 ;# unpack
|
|
|
|
|
li r10, 16
|
|
|
|
|
|
|
|
|
|
vmrghb v0, v0, v1
|
|
|
|
|
vmrghb v1, v2, v3
|
|
|
|
|
vmrghb v2, v4, v5
|
|
|
|
|
vmrghb v3, v6, v7
|
|
|
|
|
vmrghb v4, v8, v9
|
|
|
|
|
vmrghb v5, v10, v11
|
|
|
|
|
vmrghb v6, v12, v13
|
|
|
|
|
vmrghb v7, v14, v15
|
|
|
|
|
|
|
|
|
|
load_and_align_16 v8, r7, r8, 1
|
|
|
|
|
load_and_align_16 v9, r7, r8, 1
|
|
|
|
|
load_and_align_16 v10, r7, r8, 1
|
|
|
|
|
load_and_align_16 v11, r7, r8, 1
|
|
|
|
|
load_and_align_16 v12, r7, r8, 1
|
|
|
|
|
load_and_align_16 v13, r7, r8, 1
|
|
|
|
|
load_and_align_16 v14, r7, r8, 1
|
|
|
|
|
load_and_align_16 v15, r7, r8, 1
|
|
|
|
|
|
|
|
|
|
vmrghb v8, v8, v9
|
|
|
|
|
vmrghb v9, v10, v11
|
|
|
|
|
vmrghb v10, v12, v13
|
|
|
|
|
vmrghb v11, v14, v15
|
|
|
|
|
|
|
|
|
|
compute_sum_sse v0, v8, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v1, v9, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v2, v10, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v3, v11, v18, v19, v20, v21, v23
|
|
|
|
|
|
|
|
|
|
load_and_align_16 v8, r7, r8, 1
|
|
|
|
|
load_and_align_16 v9, r7, r8, 1
|
|
|
|
|
load_and_align_16 v10, r7, r8, 1
|
|
|
|
|
load_and_align_16 v11, r7, r8, 1
|
|
|
|
|
load_and_align_16 v12, r7, r8, 1
|
|
|
|
|
load_and_align_16 v13, r7, r8, 1
|
|
|
|
|
load_and_align_16 v14, r7, r8, 1
|
|
|
|
|
load_and_align_16 v15, r7, r8, 0
|
|
|
|
|
|
|
|
|
|
vmrghb v8, v8, v9
|
|
|
|
|
vmrghb v9, v10, v11
|
|
|
|
|
vmrghb v10, v12, v13
|
|
|
|
|
vmrghb v11, v14, v15
|
|
|
|
|
|
|
|
|
|
compute_sum_sse v4, v8, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v5, v9, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v6, v10, v18, v19, v20, v21, v23
|
|
|
|
|
compute_sum_sse v7, v11, v18, v19, v20, v21, v23
|
|
|
|
|
|
|
|
|
|
variance_final v18, v19, v23, 7
|
|
|
|
|
|
|
|
|
|
addi r1, r1, 32 ;# recover stack
|
|
|
|
|
mtspr 256, r11 ;# reset old VRSAVE
|
|
|
|
|
blr
|
|
|
|
|
|
|
|
|
|
;# Filters a horizontal line
|
|
|
|
|
;# expects:
|
|
|
|
|
;# r3 src_ptr
|
|
|
|
|
;# r4 pitch
|
|
|
|
|
;# r10 16
|
|
|
|
|
;# r12 32
|
|
|
|
|
;# v17 perm intput
|
|
|
|
|
;# v18 rounding
|
|
|
|
|
;# v19 shift
|
|
|
|
|
;# v20 filter taps
|
|
|
|
|
;# v21 tmp
|
|
|
|
|
;# v22 tmp
|
|
|
|
|
;# v23 tmp
|
|
|
|
|
;# v24 tmp
|
|
|
|
|
;# v25 tmp
|
|
|
|
|
;# v26 tmp
|
|
|
|
|
;# v27 tmp
|
|
|
|
|
;# v28 perm output
|
|
|
|
|
;#
|
|
|
|
|
.macro hfilter_16 V, increment_counter
|
|
|
|
|
|
|
|
|
|
lvsl v17, 0, r3 ;# permutate value for alignment
|
|
|
|
|
|
|
|
|
|
;# input to filter is 21 bytes wide, output is 16 bytes.
|
|
|
|
|
;# input will can span three vectors if not aligned correctly.
|
|
|
|
|
lvx v21, 0, r3
|
|
|
|
|
lvx v22, r10, r3
|
|
|
|
|
lvx v23, r12, r3
|
|
|
|
|
|
|
|
|
|
.if \increment_counter
|
|
|
|
|
add r3, r3, r4
|
|
|
|
|
.endif
|
|
|
|
|
vperm v21, v21, v22, v17
|
|
|
|
|
vperm v22, v22, v23, v17 ;# v8 v9 = 21 input pixels left-justified
|
|
|
|
|
|
|
|
|
|
;# set 0
|
|
|
|
|
vmsummbm v24, v20, v21, v18 ;# taps times elements
|
|
|
|
|
|
|
|
|
|
;# set 1
|
|
|
|
|
vsldoi v23, v21, v22, 1
|
|
|
|
|
vmsummbm v25, v20, v23, v18
|
|
|
|
|
|
|
|
|
|
;# set 2
|
|
|
|
|
vsldoi v23, v21, v22, 2
|
|
|
|
|
vmsummbm v26, v20, v23, v18
|
|
|
|
|
|
|
|
|
|
;# set 3
|
|
|
|
|
vsldoi v23, v21, v22, 3
|
|
|
|
|
vmsummbm v27, v20, v23, v18
|
|
|
|
|
|
|
|
|
|
vpkswus v24, v24, v25 ;# v24 = 0 4 8 C 1 5 9 D (16-bit)
|
|
|
|
|
vpkswus v25, v26, v27 ;# v25 = 2 6 A E 3 7 B F
|
|
|
|
|
|
|
|
|
|
vsrh v24, v24, v19 ;# divide v0, v1 by 128
|
|
|
|
|
vsrh v25, v25, v19
|
|
|
|
|
|
|
|
|
|
vpkuhus \V, v24, v25 ;# \V = scrambled 8-bit result
|
|
|
|
|
vperm \V, \V, v0, v28 ;# \V = correctly-ordered result
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.align 2
|
|
|
|
|
;# r3 unsigned char *src_ptr
|
|
|
|
|
;# r4 int src_pixels_per_line
|
|
|
|
|
;# r5 int xoffset
|
|
|
|
|
;# r6 int yoffset
|
|
|
|
|
;# r7 unsigned char *dst_ptr
|
|
|
|
|
;# r8 int dst_pixels_per_line
|
|
|
|
|
;# r9 unsigned int *sse
|
|
|
|
|
;#
|
|
|
|
|
;# r3 return value
|
|
|
|
|
vp8_sub_pixel_variance16x8_ppc:
|
|
|
|
|
mfspr r11, 256 ;# get old VRSAVE
|
|
|
|
|
oris r12, r11, 0xffff
|
|
|
|
|
ori r12, r12, 0xfff8
|
|
|
|
|
mtspr 256, r12 ;# set VRSAVE
|
|
|
|
|
|
|
|
|
|
stwu r1, -32(r1) ;# create space on the stack
|
|
|
|
|
|
|
|
|
|
HProlog second_pass_16x8_pre_copy_b
|
|
|
|
|
|
|
|
|
|
hfilter_16 v0, 1
|
|
|
|
|
hfilter_16 v1, 1
|
|
|
|
|
hfilter_16 v2, 1
|
|
|
|
|
hfilter_16 v3, 1
|
|
|
|
|
hfilter_16 v4, 1
|
|
|
|
|
hfilter_16 v5, 1
|
|
|
|
|
hfilter_16 v6, 1
|
|
|
|
|
hfilter_16 v7, 1
|
|
|
|
|
|
|
|
|
|
;# Finished filtering main horizontal block. If there is no
|
|
|
|
|
;# vertical filtering, jump to storing the data. Otherwise
|
|
|
|
|
;# load up and filter the additional line that is needed
|
|
|
|
|
;# for the vertical filter.
|
|
|
|
|
beq compute_sum_sse_16x8_b
|
|
|
|
|
|
|
|
|
|
hfilter_16 v8, 0
|
|
|
|
|
|
|
|
|
|
b second_pass_16x8_b
|
|
|
|
|
|
|
|
|
|
second_pass_16x8_pre_copy_b:
|
|
|
|
|
slwi. r6, r6, 5 ;# index into vertical filter array
|
|
|
|
|
|
|
|
|
|
load_and_align_16 v0, r3, r4, 1
|
|
|
|
|
load_and_align_16 v1, r3, r4, 1
|
|
|
|
|
load_and_align_16 v2, r3, r4, 1
|
|
|
|
|
load_and_align_16 v3, r3, r4, 1
|
|
|
|
|
load_and_align_16 v4, r3, r4, 1
|
|
|
|
|
load_and_align_16 v5, r3, r4, 1
|
|
|
|
|
load_and_align_16 v6, r3, r4, 1
|
|
|
|
|
load_and_align_16 v7, r3, r4, 1
|
|
|
|
|
load_and_align_16 v8, r3, r4, 1
|
|
|
|
|
|
|
|
|
|
beq compute_sum_sse_16x8_b
|
|
|
|
|
|
|
|
|
|
second_pass_16x8_b:
|
|
|
|
|
vspltish v20, 8
|
|
|
|
|
vspltish v18, 3
|
|
|
|
|
vslh v18, v20, v18 ;# 0x0040 0040 0040 0040 0040 0040 0040 0040
|
|
|
|
|
|
|
|
|
|
load_vfilter v20, v21
|
|
|
|
|
|
|
|
|
|
vfilter_16 v0, v1
|
|
|
|
|
vfilter_16 v1, v2
|
|
|
|
|
vfilter_16 v2, v3
|
|
|
|
|
vfilter_16 v3, v4
|
|
|
|
|
vfilter_16 v4, v5
|
|
|
|
|
vfilter_16 v5, v6
|
|
|
|
|
vfilter_16 v6, v7
|
|
|
|
|
vfilter_16 v7, v8
|
|
|
|
|
|
|
|
|
|
compute_sum_sse_16x8_b:
|
|
|
|
|
vspltish v18, 0 ;# sum
|
|
|
|
|
vspltish v19, 0 ;# sse
|
|
|
|
|
vspltish v23, 0 ;# unpack
|
|
|
|
|
li r10, 16
|
|
|
|
|
|
|
|
|
|
compute_sum_sse_16 v0, 1
|
|
|
|
|
compute_sum_sse_16 v1, 1
|
|
|
|
|
compute_sum_sse_16 v2, 1
|
|
|
|
|
compute_sum_sse_16 v3, 1
|
|
|
|
|
compute_sum_sse_16 v4, 1
|
|
|
|
|
compute_sum_sse_16 v5, 1
|
|
|
|
|
compute_sum_sse_16 v6, 1
|
|
|
|
|
compute_sum_sse_16 v7, 0
|
|
|
|
|
|
|
|
|
|
variance_final v18, v19, v23, 7
|
|
|
|
|
|
|
|
|
|
addi r1, r1, 32 ;# recover stack
|
|
|
|
|
|
|
|
|
|
mtspr 256, r11 ;# reset old VRSAVE
|
|
|
|
|
|
|
|
|
|
blr
|
|
|
|
|
|
|
|
|
|
.align 2
|
|
|
|
|
;# r3 unsigned char *src_ptr
|
|
|
|
|
;# r4 int src_pixels_per_line
|
|
|
|
|
;# r5 int xoffset
|
|
|
|
|
;# r6 int yoffset
|
|
|
|
|
;# r7 unsigned char *dst_ptr
|
|
|
|
|
;# r8 int dst_pixels_per_line
|
|
|
|
|
;# r9 unsigned int *sse
|
|
|
|
|
;#
|
|
|
|
|
;# r3 return value
|
|
|
|
|
vp8_sub_pixel_variance16x16_ppc:
|
|
|
|
|
mfspr r11, 256 ;# get old VRSAVE
|
|
|
|
|
oris r12, r11, 0xffff
|
|
|
|
|
ori r12, r12, 0xfff8
|
|
|
|
|
mtspr 256, r12 ;# set VRSAVE
|
|
|
|
|
|
|
|
|
|
stwu r1, -32(r1) ;# create space on the stack
|
|
|
|
|
|
|
|
|
|
HProlog second_pass_16x16_pre_copy_b
|
|
|
|
|
|
|
|
|
|
hfilter_16 v0, 1
|
|
|
|
|
hfilter_16 v1, 1
|
|
|
|
|
hfilter_16 v2, 1
|
|
|
|
|
hfilter_16 v3, 1
|
|
|
|
|
hfilter_16 v4, 1
|
|
|
|
|
hfilter_16 v5, 1
|
|
|
|
|
hfilter_16 v6, 1
|
|
|
|
|
hfilter_16 v7, 1
|
|
|
|
|
hfilter_16 v8, 1
|
|
|
|
|
hfilter_16 v9, 1
|
|
|
|
|
hfilter_16 v10, 1
|
|
|
|
|
hfilter_16 v11, 1
|
|
|
|
|
hfilter_16 v12, 1
|
|
|
|
|
hfilter_16 v13, 1
|
|
|
|
|
hfilter_16 v14, 1
|
|
|
|
|
hfilter_16 v15, 1
|
|
|
|
|
|
|
|
|
|
;# Finished filtering main horizontal block. If there is no
|
|
|
|
|
;# vertical filtering, jump to storing the data. Otherwise
|
|
|
|
|
;# load up and filter the additional line that is needed
|
|
|
|
|
;# for the vertical filter.
|
|
|
|
|
beq compute_sum_sse_16x16_b
|
|
|
|
|
|
|
|
|
|
hfilter_16 v16, 0
|
|
|
|
|
|
|
|
|
|
b second_pass_16x16_b
|
|
|
|
|
|
|
|
|
|
second_pass_16x16_pre_copy_b:
|
|
|
|
|
slwi. r6, r6, 5 ;# index into vertical filter array
|
|
|
|
|
|
|
|
|
|
load_and_align_16 v0, r3, r4, 1
|
|
|
|
|
load_and_align_16 v1, r3, r4, 1
|
|
|
|
|
load_and_align_16 v2, r3, r4, 1
|
|
|
|
|
load_and_align_16 v3, r3, r4, 1
|
|
|
|
|
load_and_align_16 v4, r3, r4, 1
|
|
|
|
|
load_and_align_16 v5, r3, r4, 1
|
|
|
|
|
load_and_align_16 v6, r3, r4, 1
|
|
|
|
|
load_and_align_16 v7, r3, r4, 1
|
|
|
|
|
load_and_align_16 v8, r3, r4, 1
|
|
|
|
|
load_and_align_16 v9, r3, r4, 1
|
|
|
|
|
load_and_align_16 v10, r3, r4, 1
|
|
|
|
|
load_and_align_16 v11, r3, r4, 1
|
|
|
|
|
load_and_align_16 v12, r3, r4, 1
|
|
|
|
|
load_and_align_16 v13, r3, r4, 1
|
|
|
|
|
load_and_align_16 v14, r3, r4, 1
|
|
|
|
|
load_and_align_16 v15, r3, r4, 1
|
|
|
|
|
load_and_align_16 v16, r3, r4, 0
|
|
|
|
|
|
|
|
|
|
beq compute_sum_sse_16x16_b
|
|
|
|
|
|
|
|
|
|
second_pass_16x16_b:
|
|
|
|
|
vspltish v20, 8
|
|
|
|
|
vspltish v18, 3
|
|
|
|
|
vslh v18, v20, v18 ;# 0x0040 0040 0040 0040 0040 0040 0040 0040
|
|
|
|
|
|
|
|
|
|
load_vfilter v20, v21
|
|
|
|
|
|
|
|
|
|
vfilter_16 v0, v1
|
|
|
|
|
vfilter_16 v1, v2
|
|
|
|
|
vfilter_16 v2, v3
|
|
|
|
|
vfilter_16 v3, v4
|
|
|
|
|
vfilter_16 v4, v5
|
|
|
|
|
vfilter_16 v5, v6
|
|
|
|
|
vfilter_16 v6, v7
|
|
|
|
|
vfilter_16 v7, v8
|
|
|
|
|
vfilter_16 v8, v9
|
|
|
|
|
vfilter_16 v9, v10
|
|
|
|
|
vfilter_16 v10, v11
|
|
|
|
|
vfilter_16 v11, v12
|
|
|
|
|
vfilter_16 v12, v13
|
|
|
|
|
vfilter_16 v13, v14
|
|
|
|
|
vfilter_16 v14, v15
|
|
|
|
|
vfilter_16 v15, v16
|
|
|
|
|
|
|
|
|
|
compute_sum_sse_16x16_b:
|
|
|
|
|
vspltish v18, 0 ;# sum
|
|
|
|
|
vspltish v19, 0 ;# sse
|
|
|
|
|
vspltish v23, 0 ;# unpack
|
|
|
|
|
li r10, 16
|
|
|
|
|
|
|
|
|
|
compute_sum_sse_16 v0, 1
|
|
|
|
|
compute_sum_sse_16 v1, 1
|
|
|
|
|
compute_sum_sse_16 v2, 1
|
|
|
|
|
compute_sum_sse_16 v3, 1
|
|
|
|
|
compute_sum_sse_16 v4, 1
|
|
|
|
|
compute_sum_sse_16 v5, 1
|
|
|
|
|
compute_sum_sse_16 v6, 1
|
|
|
|
|
compute_sum_sse_16 v7, 1
|
|
|
|
|
compute_sum_sse_16 v8, 1
|
|
|
|
|
compute_sum_sse_16 v9, 1
|
|
|
|
|
compute_sum_sse_16 v10, 1
|
|
|
|
|
compute_sum_sse_16 v11, 1
|
|
|
|
|
compute_sum_sse_16 v12, 1
|
|
|
|
|
compute_sum_sse_16 v13, 1
|
|
|
|
|
compute_sum_sse_16 v14, 1
|
|
|
|
|
compute_sum_sse_16 v15, 0
|
|
|
|
|
|
|
|
|
|
variance_final v18, v19, v23, 8
|
|
|
|
|
|
|
|
|
|
addi r1, r1, 32 ;# recover stack
|
|
|
|
|
|
|
|
|
|
mtspr 256, r11 ;# reset old VRSAVE
|
|
|
|
|
|
|
|
|
|
blr
|
|
|
|
|
|
|
|
|
|
.data
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
hfilter_b:
|
|
|
|
|
.byte 128, 0, 0, 0,128, 0, 0, 0,128, 0, 0, 0,128, 0, 0, 0
|
|
|
|
|
.byte 112, 16, 0, 0,112, 16, 0, 0,112, 16, 0, 0,112, 16, 0, 0
|
|
|
|
|
.byte 96, 32, 0, 0, 96, 32, 0, 0, 96, 32, 0, 0, 96, 32, 0, 0
|
|
|
|
|
.byte 80, 48, 0, 0, 80, 48, 0, 0, 80, 48, 0, 0, 80, 48, 0, 0
|
|
|
|
|
.byte 64, 64, 0, 0, 64, 64, 0, 0, 64, 64, 0, 0, 64, 64, 0, 0
|
|
|
|
|
.byte 48, 80, 0, 0, 48, 80, 0, 0, 48, 80, 0, 0, 48, 80, 0, 0
|
|
|
|
|
.byte 32, 96, 0, 0, 32, 96, 0, 0, 32, 96, 0, 0, 32, 96, 0, 0
|
|
|
|
|
.byte 16,112, 0, 0, 16,112, 0, 0, 16,112, 0, 0, 16,112, 0, 0
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
vfilter_b:
|
|
|
|
|
.byte 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128
|
|
|
|
|
.byte 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
.byte 112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112
|
|
|
|
|
.byte 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
|
|
|
|
|
.byte 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96
|
|
|
|
|
.byte 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32
|
|
|
|
|
.byte 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80
|
|
|
|
|
.byte 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48
|
|
|
|
|
.byte 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
|
|
|
|
|
.byte 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
|
|
|
|
|
.byte 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48
|
|
|
|
|
.byte 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80
|
|
|
|
|
.byte 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32
|
|
|
|
|
.byte 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96
|
|
|
|
|
.byte 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
|
|
|
|
|
.byte 112,112,112,112,112,112,112,112,112,112,112,112,112,112,112,112
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
b_hperm_b:
|
|
|
|
|
.byte 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
b_0123_b:
|
|
|
|
|
.byte 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
b_4567_b:
|
|
|
|
|
.byte 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10
|
|
|
|
|
|
|
|
|
|
b_hilo_b:
|
|
|
|
|
.byte 0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 20, 21, 22, 23
|
