ref: 8a79769aff63c41e2db42af7a0afeec289789dcb
dir: /vpx_dsp/x86/quantize_ssse3_x86_64.asm/
;
; Copyright (c) 2015 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license
; that can be found in the LICENSE file in the root of the source
; tree. An additional intellectual property rights grant can be found
; in the file PATENTS. All contributing project authors may
; be found in the AUTHORS file in the root of the source tree.
;
%include "third_party/x86inc/x86inc.asm"
SECTION_RODATA
pw_1: times 8 dw 1
SECTION .text
; TODO(yunqingwang)fix quantize_b code for skip=1 case.
%macro QUANTIZE_FN 2
cglobal quantize_%1, 0, %2, 15, coeff, ncoeff, skip, zbin, round, quant, \
shift, qcoeff, dqcoeff, dequant, \
eob, scan, iscan
cmp dword skipm, 0
jne .blank
; actual quantize loop - setup pointers, rounders, etc.
movifnidn coeffq, coeffmp
movifnidn ncoeffq, ncoeffmp
mov r2, dequantmp
movifnidn zbinq, zbinmp
movifnidn roundq, roundmp
movifnidn quantq, quantmp
mova m0, [zbinq] ; m0 = zbin
mova m1, [roundq] ; m1 = round
mova m2, [quantq] ; m2 = quant
%ifidn %1, b_32x32
pcmpeqw m5, m5
psrlw m5, 15
paddw m0, m5
paddw m1, m5
psrlw m0, 1 ; m0 = (m0 + 1) / 2
psrlw m1, 1 ; m1 = (m1 + 1) / 2
%endif
mova m3, [r2q] ; m3 = dequant
psubw m0, [pw_1]
mov r2, shiftmp
mov r3, qcoeffmp
mova m4, [r2] ; m4 = shift
mov r4, dqcoeffmp
mov r5, iscanmp
%ifidn %1, b_32x32
psllw m4, 1
%endif
pxor m5, m5 ; m5 = dedicated zero
DEFINE_ARGS coeff, ncoeff, d1, qcoeff, dqcoeff, iscan, d2, d3, d4, d5, eob
%if CONFIG_VP9_HIGHBITDEPTH
lea coeffq, [ coeffq+ncoeffq*4]
lea qcoeffq, [ qcoeffq+ncoeffq*4]
lea dqcoeffq, [dqcoeffq+ncoeffq*4]
%else
lea coeffq, [ coeffq+ncoeffq*2]
lea qcoeffq, [ qcoeffq+ncoeffq*2]
lea dqcoeffq, [dqcoeffq+ncoeffq*2]
%endif
lea iscanq, [ iscanq+ncoeffq*2]
neg ncoeffq
; get DC and first 15 AC coeffs
%if CONFIG_VP9_HIGHBITDEPTH
; coeff stored as 32bit numbers & require 16bit numbers
mova m9, [ coeffq+ncoeffq*4+ 0]
packssdw m9, [ coeffq+ncoeffq*4+16]
mova m10, [ coeffq+ncoeffq*4+32]
packssdw m10, [ coeffq+ncoeffq*4+48]
%else
mova m9, [ coeffq+ncoeffq*2+ 0] ; m9 = c[i]
mova m10, [ coeffq+ncoeffq*2+16] ; m10 = c[i]
%endif
pabsw m6, m9 ; m6 = abs(m9)
pabsw m11, m10 ; m11 = abs(m10)
pcmpgtw m7, m6, m0 ; m7 = c[i] >= zbin
punpckhqdq m0, m0
pcmpgtw m12, m11, m0 ; m12 = c[i] >= zbin
paddsw m6, m1 ; m6 += round
punpckhqdq m1, m1
paddsw m11, m1 ; m11 += round
pmulhw m8, m6, m2 ; m8 = m6*q>>16
punpckhqdq m2, m2
pmulhw m13, m11, m2 ; m13 = m11*q>>16
paddw m8, m6 ; m8 += m6
paddw m13, m11 ; m13 += m11
pmulhw m8, m4 ; m8 = m8*qsh>>16
punpckhqdq m4, m4
pmulhw m13, m4 ; m13 = m13*qsh>>16
psignw m8, m9 ; m8 = reinsert sign
psignw m13, m10 ; m13 = reinsert sign
pand m8, m7
pand m13, m12
%if CONFIG_VP9_HIGHBITDEPTH
; store 16bit numbers as 32bit numbers in array pointed to by qcoeff
mova m11, m8
mova m6, m8
pcmpgtw m5, m8
punpcklwd m11, m5
punpckhwd m6, m5
mova [qcoeffq+ncoeffq*4+ 0], m11
mova [qcoeffq+ncoeffq*4+16], m6
pxor m5, m5
mova m11, m13
mova m6, m13
pcmpgtw m5, m13
punpcklwd m11, m5
punpckhwd m6, m5
mova [qcoeffq+ncoeffq*4+32], m11
mova [qcoeffq+ncoeffq*4+48], m6
pxor m5, m5 ; reset m5 to zero register
%else
mova [qcoeffq+ncoeffq*2+ 0], m8
mova [qcoeffq+ncoeffq*2+16], m13
%endif
%ifidn %1, b_32x32
pabsw m8, m8
pabsw m13, m13
%endif
pmullw m8, m3 ; dqc[i] = qc[i] * q
punpckhqdq m3, m3
pmullw m13, m3 ; dqc[i] = qc[i] * q
%ifidn %1, b_32x32
psrlw m8, 1
psrlw m13, 1
psignw m8, m9
psignw m13, m10
%endif
%if CONFIG_VP9_HIGHBITDEPTH
; store 16bit numbers as 32bit numbers in array pointed to by qcoeff
mova m11, m8
mova m6, m8
pcmpgtw m5, m8
punpcklwd m11, m5
punpckhwd m6, m5
mova [dqcoeffq+ncoeffq*4+ 0], m11
mova [dqcoeffq+ncoeffq*4+16], m6
pxor m5, m5
mova m11, m13
mova m6, m13
pcmpgtw m5, m13
punpcklwd m11, m5
punpckhwd m6, m5
mova [dqcoeffq+ncoeffq*4+32], m11
mova [dqcoeffq+ncoeffq*4+48], m6
pxor m5, m5 ; reset m5 to zero register
%else
mova [dqcoeffq+ncoeffq*2+ 0], m8
mova [dqcoeffq+ncoeffq*2+16], m13
%endif
pcmpeqw m8, m5 ; m8 = c[i] == 0
pcmpeqw m13, m5 ; m13 = c[i] == 0
mova m6, [ iscanq+ncoeffq*2+ 0] ; m6 = scan[i]
mova m11, [ iscanq+ncoeffq*2+16] ; m11 = scan[i]
psubw m6, m7 ; m6 = scan[i] + 1
psubw m11, m12 ; m11 = scan[i] + 1
pandn m8, m6 ; m8 = max(eob)
pandn m13, m11 ; m13 = max(eob)
pmaxsw m8, m13
add ncoeffq, mmsize
jz .accumulate_eob
.ac_only_loop:
%if CONFIG_VP9_HIGHBITDEPTH
; pack coeff from 32bit to 16bit array
mova m9, [ coeffq+ncoeffq*4+ 0]
packssdw m9, [ coeffq+ncoeffq*4+16]
mova m10, [ coeffq+ncoeffq*4+32]
packssdw m10, [ coeffq+ncoeffq*4+48]
%else
mova m9, [ coeffq+ncoeffq*2+ 0] ; m9 = c[i]
mova m10, [ coeffq+ncoeffq*2+16] ; m10 = c[i]
%endif
pabsw m6, m9 ; m6 = abs(m9)
pabsw m11, m10 ; m11 = abs(m10)
pcmpgtw m7, m6, m0 ; m7 = c[i] >= zbin
pcmpgtw m12, m11, m0 ; m12 = c[i] >= zbin
%ifidn %1, b_32x32
pmovmskb r6d, m7
pmovmskb r2d, m12
or r6, r2
jz .skip_iter
%endif
paddsw m6, m1 ; m6 += round
paddsw m11, m1 ; m11 += round
pmulhw m14, m6, m2 ; m14 = m6*q>>16
pmulhw m13, m11, m2 ; m13 = m11*q>>16
paddw m14, m6 ; m14 += m6
paddw m13, m11 ; m13 += m11
pmulhw m14, m4 ; m14 = m14*qsh>>16
pmulhw m13, m4 ; m13 = m13*qsh>>16
psignw m14, m9 ; m14 = reinsert sign
psignw m13, m10 ; m13 = reinsert sign
pand m14, m7
pand m13, m12
%if CONFIG_VP9_HIGHBITDEPTH
; store 16bit numbers as 32bit numbers in array pointed to by qcoeff
pxor m11, m11
mova m11, m14
mova m6, m14
pcmpgtw m5, m14
punpcklwd m11, m5
punpckhwd m6, m5
mova [qcoeffq+ncoeffq*4+ 0], m11
mova [qcoeffq+ncoeffq*4+16], m6
pxor m5, m5
mova m11, m13
mova m6, m13
pcmpgtw m5, m13
punpcklwd m11, m5
punpckhwd m6, m5
mova [qcoeffq+ncoeffq*4+32], m11
mova [qcoeffq+ncoeffq*4+48], m6
pxor m5, m5 ; reset m5 to zero register
%else
mova [qcoeffq+ncoeffq*2+ 0], m14
mova [qcoeffq+ncoeffq*2+16], m13
%endif
%ifidn %1, b_32x32
pabsw m14, m14
pabsw m13, m13
%endif
pmullw m14, m3 ; dqc[i] = qc[i] * q
pmullw m13, m3 ; dqc[i] = qc[i] * q
%ifidn %1, b_32x32
psrlw m14, 1
psrlw m13, 1
psignw m14, m9
psignw m13, m10
%endif
%if CONFIG_VP9_HIGHBITDEPTH
; store 16bit numbers as 32bit numbers in array pointed to by qcoeff
mova m11, m14
mova m6, m14
pcmpgtw m5, m14
punpcklwd m11, m5
punpckhwd m6, m5
mova [dqcoeffq+ncoeffq*4+ 0], m11
mova [dqcoeffq+ncoeffq*4+16], m6
pxor m5, m5
mova m11, m13
mova m6, m13
pcmpgtw m5, m13
punpcklwd m11, m5
punpckhwd m6, m5
mova [dqcoeffq+ncoeffq*4+32], m11
mova [dqcoeffq+ncoeffq*4+48], m6
pxor m5, m5
%else
mova [dqcoeffq+ncoeffq*2+ 0], m14
mova [dqcoeffq+ncoeffq*2+16], m13
%endif
pcmpeqw m14, m5 ; m14 = c[i] == 0
pcmpeqw m13, m5 ; m13 = c[i] == 0
mova m6, [ iscanq+ncoeffq*2+ 0] ; m6 = scan[i]
mova m11, [ iscanq+ncoeffq*2+16] ; m11 = scan[i]
psubw m6, m7 ; m6 = scan[i] + 1
psubw m11, m12 ; m11 = scan[i] + 1
pandn m14, m6 ; m14 = max(eob)
pandn m13, m11 ; m13 = max(eob)
pmaxsw m8, m14
pmaxsw m8, m13
add ncoeffq, mmsize
jl .ac_only_loop
%ifidn %1, b_32x32
jmp .accumulate_eob
.skip_iter:
%if CONFIG_VP9_HIGHBITDEPTH
mova [qcoeffq+ncoeffq*4+ 0], m5
mova [qcoeffq+ncoeffq*4+16], m5
mova [qcoeffq+ncoeffq*4+32], m5
mova [qcoeffq+ncoeffq*4+48], m5
mova [dqcoeffq+ncoeffq*4+ 0], m5
mova [dqcoeffq+ncoeffq*4+16], m5
mova [dqcoeffq+ncoeffq*4+32], m5
mova [dqcoeffq+ncoeffq*4+48], m5
%else
mova [qcoeffq+ncoeffq*2+ 0], m5
mova [qcoeffq+ncoeffq*2+16], m5
mova [dqcoeffq+ncoeffq*2+ 0], m5
mova [dqcoeffq+ncoeffq*2+16], m5
%endif
add ncoeffq, mmsize
jl .ac_only_loop
%endif
.accumulate_eob:
; horizontally accumulate/max eobs and write into [eob] memory pointer
mov r2, eobmp
pshufd m7, m8, 0xe
pmaxsw m8, m7
pshuflw m7, m8, 0xe
pmaxsw m8, m7
pshuflw m7, m8, 0x1
pmaxsw m8, m7
pextrw r6, m8, 0
mov [r2], r6
RET
; skip-block, i.e. just write all zeroes
.blank:
mov r0, dqcoeffmp
movifnidn ncoeffq, ncoeffmp
mov r2, qcoeffmp
mov r3, eobmp
DEFINE_ARGS dqcoeff, ncoeff, qcoeff, eob
%if CONFIG_VP9_HIGHBITDEPTH
lea dqcoeffq, [dqcoeffq+ncoeffq*4]
lea qcoeffq, [ qcoeffq+ncoeffq*4]
%else
lea dqcoeffq, [dqcoeffq+ncoeffq*2]
lea qcoeffq, [ qcoeffq+ncoeffq*2]
%endif
neg ncoeffq
pxor m7, m7
.blank_loop:
%if CONFIG_VP9_HIGHBITDEPTH
mova [dqcoeffq+ncoeffq*4+ 0], m7
mova [dqcoeffq+ncoeffq*4+16], m7
mova [dqcoeffq+ncoeffq*4+32], m7
mova [dqcoeffq+ncoeffq*4+48], m7
mova [qcoeffq+ncoeffq*4+ 0], m7
mova [qcoeffq+ncoeffq*4+16], m7
mova [qcoeffq+ncoeffq*4+32], m7
mova [qcoeffq+ncoeffq*4+48], m7
%else
mova [dqcoeffq+ncoeffq*2+ 0], m7
mova [dqcoeffq+ncoeffq*2+16], m7
mova [qcoeffq+ncoeffq*2+ 0], m7
mova [qcoeffq+ncoeffq*2+16], m7
%endif
add ncoeffq, mmsize
jl .blank_loop
mov word [eobq], 0
RET
%endmacro
INIT_XMM ssse3
QUANTIZE_FN b, 7
QUANTIZE_FN b_32x32, 7