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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/encoder/x86/av1_quantize_ssse3_x86_64.asm | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/av1_quantize_ssse3_x86_64.asm b/third_party/aom/av1/encoder/x86/av1_quantize_ssse3_x86_64.asm new file mode 100644 index 0000000000..ad4ae274e2 --- /dev/null +++ b/third_party/aom/av1/encoder/x86/av1_quantize_ssse3_x86_64.asm @@ -0,0 +1,204 @@ +; +; Copyright (c) 2016, Alliance for Open Media. All rights reserved +; +; This source code is subject to the terms of the BSD 2 Clause License and +; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License +; was not distributed with this source code in the LICENSE file, you can +; obtain it at www.aomedia.org/license/software. If the Alliance for Open +; Media Patent License 1.0 was not distributed with this source code in the +; PATENTS file, you can obtain it at www.aomedia.org/license/patent. +; + +; + +%define private_prefix av1 + +%include "third_party/x86inc/x86inc.asm" + +SECTION_RODATA +pw_1: times 8 dw 1 + +SECTION .text + +%macro QUANTIZE_FP 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 m1, [roundq] ; m1 = round + mova m2, [quantq] ; m2 = quant +%ifidn %1, fp_32x32 + pcmpeqw m5, m5 + psrlw m5, 15 + paddw m1, m5 + psrlw m1, 1 ; m1 = (m1 + 1) / 2 +%endif + mova m3, [r2q] ; m3 = dequant + mov r3, qcoeffmp + mov r4, dqcoeffmp + mov r5, iscanmp +%ifidn %1, fp_32x32 + psllw m2, 1 +%endif + pxor m5, m5 ; m5 = dedicated zero + + lea coeffq, [ coeffq+ncoeffq*2] + lea r5q, [ r5q+ncoeffq*2] + lea r3q, [ r3q+ncoeffq*2] + lea r4q, [r4q+ncoeffq*2] + neg ncoeffq + + ; get DC and first 15 AC coeffs + mova m9, [ coeffq+ncoeffq*2+ 0] ; m9 = c[i] + mova m10, [ coeffq+ncoeffq*2+16] ; m10 = c[i] + pabsw m6, m9 ; m6 = abs(m9) + pabsw m11, m10 ; m11 = abs(m10) + pcmpeqw m7, m7 + + 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 + psignw m8, m9 ; m8 = reinsert sign + psignw m13, m10 ; m13 = reinsert sign + mova [r3q+ncoeffq*2+ 0], m8 + mova [r3q+ncoeffq*2+16], m13 +%ifidn %1, fp_32x32 + pabsw m8, m8 + pabsw m13, m13 +%endif + pmullw m8, m3 ; r4[i] = r3[i] * q + punpckhqdq m3, m3 + pmullw m13, m3 ; r4[i] = r3[i] * q +%ifidn %1, fp_32x32 + psrlw m8, 1 + psrlw m13, 1 + psignw m8, m9 + psignw m13, m10 + psrlw m0, m3, 2 +%else + psrlw m0, m3, 1 +%endif + mova [r4q+ncoeffq*2+ 0], m8 + mova [r4q+ncoeffq*2+16], m13 + pcmpeqw m8, m5 ; m8 = c[i] == 0 + pcmpeqw m13, m5 ; m13 = c[i] == 0 + mova m6, [ r5q+ncoeffq*2+ 0] ; m6 = scan[i] + mova m11, [ r5q+ncoeffq*2+16] ; m11 = scan[i] + psubw m6, m7 ; m6 = scan[i] + 1 + psubw m11, m7 ; 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: + mova m9, [ coeffq+ncoeffq*2+ 0] ; m9 = c[i] + mova m10, [ coeffq+ncoeffq*2+16] ; m10 = c[i] + pabsw m6, m9 ; m6 = abs(m9) + pabsw m11, m10 ; m11 = abs(m10) + + pcmpgtw m7, m6, m0 + pcmpgtw m12, m11, m0 + pmovmskb r6d, m7 + pmovmskb r2d, m12 + + or r6, r2 + jz .skip_iter + + pcmpeqw m7, m7 + + 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 + psignw m14, m9 ; m14 = reinsert sign + psignw m13, m10 ; m13 = reinsert sign + mova [r3q+ncoeffq*2+ 0], m14 + mova [r3q+ncoeffq*2+16], m13 +%ifidn %1, fp_32x32 + pabsw m14, m14 + pabsw m13, m13 +%endif + pmullw m14, m3 ; r4[i] = r3[i] * q + pmullw m13, m3 ; r4[i] = r3[i] * q +%ifidn %1, fp_32x32 + psrlw m14, 1 + psrlw m13, 1 + psignw m14, m9 + psignw m13, m10 +%endif + mova [r4q+ncoeffq*2+ 0], m14 + mova [r4q+ncoeffq*2+16], m13 + pcmpeqw m14, m5 ; m14 = c[i] == 0 + pcmpeqw m13, m5 ; m13 = c[i] == 0 + mova m6, [ r5q+ncoeffq*2+ 0] ; m6 = scan[i] + mova m11, [ r5q+ncoeffq*2+16] ; m11 = scan[i] + psubw m6, m7 ; m6 = scan[i] + 1 + psubw m11, m7 ; 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 + + jmp .accumulate_eob +.skip_iter: + mova [r3q+ncoeffq*2+ 0], m5 + mova [r3q+ncoeffq*2+16], m5 + mova [r4q+ncoeffq*2+ 0], m5 + mova [r4q+ncoeffq*2+16], m5 + add ncoeffq, mmsize + jl .ac_only_loop + +.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 + + lea r0q, [r0q+ncoeffq*2] + lea r2q, [r2q+ncoeffq*2] + neg ncoeffq + pxor m7, m7 +.blank_loop: + mova [r0q+ncoeffq*2+ 0], m7 + mova [r0q+ncoeffq*2+16], m7 + mova [r2q+ncoeffq*2+ 0], m7 + mova [r2q+ncoeffq*2+16], m7 + add ncoeffq, mmsize + jl .blank_loop + mov word [r3q], 0 + RET +%endmacro + +INIT_XMM ssse3 +QUANTIZE_FP fp, 7 +QUANTIZE_FP fp_32x32, 7 |