ref: 9a7785b9d6ec67026980c1a17d8639f08a8231fe
dir: /vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm/
; ; Copyright (c) 2014 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" ; This file provides SSSE3 version of the inverse transformation. Part ; of the functions are originally derived from the ffmpeg project. ; Note that the current version applies to x86 64-bit only. SECTION_RODATA pw_11585x2: times 8 dw 23170 pd_8192: times 4 dd 8192 pw_16: times 8 dw 16 %macro TRANSFORM_COEFFS 2 pw_%1_%2: dw %1, %2, %1, %2, %1, %2, %1, %2 pw_m%2_%1: dw -%2, %1, -%2, %1, -%2, %1, -%2, %1 %endmacro TRANSFORM_COEFFS 6270, 15137 TRANSFORM_COEFFS 3196, 16069 TRANSFORM_COEFFS 13623, 9102 %macro PAIR_PP_COEFFS 2 dpw_%1_%2: dw %1, %1, %1, %1, %2, %2, %2, %2 %endmacro %macro PAIR_MP_COEFFS 2 dpw_m%1_%2: dw -%1, -%1, -%1, -%1, %2, %2, %2, %2 %endmacro %macro PAIR_MM_COEFFS 2 dpw_m%1_m%2: dw -%1, -%1, -%1, -%1, -%2, -%2, -%2, -%2 %endmacro PAIR_PP_COEFFS 30274, 12540 PAIR_PP_COEFFS 6392, 32138 PAIR_MP_COEFFS 18204, 27246 PAIR_PP_COEFFS 12540, 12540 PAIR_PP_COEFFS 30274, 30274 PAIR_PP_COEFFS 6392, 6392 PAIR_PP_COEFFS 32138, 32138 PAIR_MM_COEFFS 18204, 18204 PAIR_PP_COEFFS 27246, 27246 SECTION .text %if ARCH_X86_64 %macro SUM_SUB 3 psubw m%3, m%1, m%2 paddw m%1, m%2 SWAP %2, %3 %endmacro ; butterfly operation %macro MUL_ADD_2X 6 ; dst1, dst2, src, round, coefs1, coefs2 pmaddwd m%1, m%3, %5 pmaddwd m%2, m%3, %6 paddd m%1, %4 paddd m%2, %4 psrad m%1, 14 psrad m%2, 14 %endmacro %macro BUTTERFLY_4X 7 ; dst1, dst2, coef1, coef2, round, tmp1, tmp2 punpckhwd m%6, m%2, m%1 MUL_ADD_2X %7, %6, %6, %5, [pw_m%4_%3], [pw_%3_%4] punpcklwd m%2, m%1 MUL_ADD_2X %1, %2, %2, %5, [pw_m%4_%3], [pw_%3_%4] packssdw m%1, m%7 packssdw m%2, m%6 %endmacro ; matrix transpose %macro INTERLEAVE_2X 4 punpckh%1 m%4, m%2, m%3 punpckl%1 m%2, m%3 SWAP %3, %4 %endmacro %macro TRANSPOSE8X8 9 INTERLEAVE_2X wd, %1, %2, %9 INTERLEAVE_2X wd, %3, %4, %9 INTERLEAVE_2X wd, %5, %6, %9 INTERLEAVE_2X wd, %7, %8, %9 INTERLEAVE_2X dq, %1, %3, %9 INTERLEAVE_2X dq, %2, %4, %9 INTERLEAVE_2X dq, %5, %7, %9 INTERLEAVE_2X dq, %6, %8, %9 INTERLEAVE_2X qdq, %1, %5, %9 INTERLEAVE_2X qdq, %3, %7, %9 INTERLEAVE_2X qdq, %2, %6, %9 INTERLEAVE_2X qdq, %4, %8, %9 SWAP %2, %5 SWAP %4, %7 %endmacro %macro IDCT8_1D 0 SUM_SUB 0, 4, 9 BUTTERFLY_4X 2, 6, 6270, 15137, m8, 9, 10 pmulhrsw m0, m12 pmulhrsw m4, m12 BUTTERFLY_4X 1, 7, 3196, 16069, m8, 9, 10 BUTTERFLY_4X 5, 3, 13623, 9102, m8, 9, 10 SUM_SUB 1, 5, 9 SUM_SUB 7, 3, 9 SUM_SUB 0, 6, 9 SUM_SUB 4, 2, 9 SUM_SUB 3, 5, 9 pmulhrsw m3, m12 pmulhrsw m5, m12 SUM_SUB 0, 7, 9 SUM_SUB 4, 3, 9 SUM_SUB 2, 5, 9 SUM_SUB 6, 1, 9 SWAP 3, 6 SWAP 1, 4 %endmacro ; This macro handles 8 pixels per line %macro ADD_STORE_8P_2X 5; src1, src2, tmp1, tmp2, zero paddw m%1, m11 paddw m%2, m11 psraw m%1, 5 psraw m%2, 5 movh m%3, [outputq] movh m%4, [outputq + strideq] punpcklbw m%3, m%5 punpcklbw m%4, m%5 paddw m%3, m%1 paddw m%4, m%2 packuswb m%3, m%5 packuswb m%4, m%5 movh [outputq], m%3 movh [outputq + strideq], m%4 %endmacro INIT_XMM ssse3 ; full inverse 8x8 2D-DCT transform cglobal idct8x8_64_add, 3, 5, 13, input, output, stride mova m8, [pd_8192] mova m11, [pw_16] mova m12, [pw_11585x2] lea r3, [2 * strideq] mova m0, [inputq + 0] mova m1, [inputq + 16] mova m2, [inputq + 32] mova m3, [inputq + 48] mova m4, [inputq + 64] mova m5, [inputq + 80] mova m6, [inputq + 96] mova m7, [inputq + 112] TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 IDCT8_1D TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 IDCT8_1D pxor m12, m12 ADD_STORE_8P_2X 0, 1, 9, 10, 12 lea outputq, [outputq + r3] ADD_STORE_8P_2X 2, 3, 9, 10, 12 lea outputq, [outputq + r3] ADD_STORE_8P_2X 4, 5, 9, 10, 12 lea outputq, [outputq + r3] ADD_STORE_8P_2X 6, 7, 9, 10, 12 RET ; inverse 8x8 2D-DCT transform with only first 10 coeffs non-zero cglobal idct8x8_12_add, 3, 5, 13, input, output, stride mova m8, [pd_8192] mova m11, [pw_16] mova m12, [pw_11585x2] lea r3, [2 * strideq] mova m0, [inputq + 0] mova m1, [inputq + 16] mova m2, [inputq + 32] mova m3, [inputq + 48] punpcklwd m0, m1 punpcklwd m2, m3 punpckhdq m9, m0, m2 punpckldq m0, m2 SWAP 2, 9 ; m0 -> [0], [0] ; m1 -> [1], [1] ; m2 -> [2], [2] ; m3 -> [3], [3] punpckhqdq m10, m0, m0 punpcklqdq m0, m0 punpckhqdq m9, m2, m2 punpcklqdq m2, m2 SWAP 1, 10 SWAP 3, 9 pmulhrsw m0, m12 pmulhrsw m2, [dpw_30274_12540] pmulhrsw m1, [dpw_6392_32138] pmulhrsw m3, [dpw_m18204_27246] SUM_SUB 0, 2, 9 SUM_SUB 1, 3, 9 punpcklqdq m9, m3, m3 punpckhqdq m5, m3, m9 SUM_SUB 3, 5, 9 punpckhqdq m5, m3 pmulhrsw m5, m12 punpckhqdq m9, m1, m5 punpcklqdq m1, m5 SWAP 5, 9 SUM_SUB 0, 5, 9 SUM_SUB 2, 1, 9 punpckhqdq m3, m0, m0 punpckhqdq m4, m1, m1 punpckhqdq m6, m5, m5 punpckhqdq m7, m2, m2 punpcklwd m0, m3 punpcklwd m7, m2 punpcklwd m1, m4 punpcklwd m6, m5 punpckhdq m4, m0, m7 punpckldq m0, m7 punpckhdq m10, m1, m6 punpckldq m5, m1, m6 punpckhqdq m1, m0, m5 punpcklqdq m0, m5 punpckhqdq m3, m4, m10 punpcklqdq m2, m4, m10 pmulhrsw m0, m12 pmulhrsw m6, m2, [dpw_30274_30274] pmulhrsw m4, m2, [dpw_12540_12540] pmulhrsw m7, m1, [dpw_32138_32138] pmulhrsw m1, [dpw_6392_6392] pmulhrsw m5, m3, [dpw_m18204_m18204] pmulhrsw m3, [dpw_27246_27246] mova m2, m0 SUM_SUB 0, 6, 9 SUM_SUB 2, 4, 9 SUM_SUB 1, 5, 9 SUM_SUB 7, 3, 9 SUM_SUB 3, 5, 9 pmulhrsw m3, m12 pmulhrsw m5, m12 SUM_SUB 0, 7, 9 SUM_SUB 2, 3, 9 SUM_SUB 4, 5, 9 SUM_SUB 6, 1, 9 SWAP 3, 6 SWAP 1, 2 SWAP 2, 4 pxor m12, m12 ADD_STORE_8P_2X 0, 1, 9, 10, 12 lea outputq, [outputq + r3] ADD_STORE_8P_2X 2, 3, 9, 10, 12 lea outputq, [outputq + r3] ADD_STORE_8P_2X 4, 5, 9, 10, 12 lea outputq, [outputq + r3] ADD_STORE_8P_2X 6, 7, 9, 10, 12 RET %endif