diff options
Diffstat (limited to 'libavcodec/x86/bswapdsp.asm')
| -rw-r--r-- | libavcodec/x86/bswapdsp.asm | 63 |
1 files changed, 45 insertions, 18 deletions
diff --git a/libavcodec/x86/bswapdsp.asm b/libavcodec/x86/bswapdsp.asm index 4810867..31c6c48 100644 --- a/libavcodec/x86/bswapdsp.asm +++ b/libavcodec/x86/bswapdsp.asm @@ -1,21 +1,23 @@ ;****************************************************************************** ;* optimized bswap buffer functions ;* Copyright (c) 2008 Loren Merritt +;* Copyright (c) 2003-2013 Michael Niedermayer +;* Copyright (c) 2013 Daniel Kang ;* -;* This file is part of Libav. +;* This file is part of FFmpeg. ;* -;* Libav is free software; you can redistribute it and/or +;* FFmpeg is free software; you can redistribute it and/or ;* modify it under the terms of the GNU Lesser General Public ;* License as published by the Free Software Foundation; either ;* version 2.1 of the License, or (at your option) any later version. ;* -;* Libav is distributed in the hope that it will be useful, +;* FFmpeg is distributed in the hope that it will be useful, ;* but WITHOUT ANY WARRANTY; without even the implied warranty of ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;* Lesser General Public License for more details. ;* ;* You should have received a copy of the GNU Lesser General Public -;* License along with Libav; if not, write to the Free Software +;* License along with FFmpeg; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** @@ -24,6 +26,8 @@ SECTION_RODATA pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 +cextern pb_80 + SECTION .text ; %1 = aligned/unaligned @@ -31,14 +35,18 @@ SECTION .text mov r3d, r2d sar r2d, 3 jz .left4_%1 +%if cpuflag(avx2) + sar r2d, 1 + jz .left8_%1 +%endif .loop8_%1: mov%1 m0, [r1 + 0] - mov%1 m1, [r1 + 16] -%if cpuflag(ssse3) + mov%1 m1, [r1 + mmsize] +%if cpuflag(ssse3)||cpuflag(avx2) pshufb m0, m2 pshufb m1, m2 mov%1 [r0 + 0], m0 - mov%1 [r0 + 16], m1 + mov%1 [r0 + mmsize], m1 %else pshuflw m0, m0, 10110001b pshuflw m1, m1, 10110001b @@ -55,18 +63,29 @@ SECTION .text mov%1 [r0 + 0], m2 mov%1 [r0 + 16], m3 %endif - add r0, 32 - add r1, 32 + add r0, mmsize*2 + add r1, mmsize*2 dec r2d jnz .loop8_%1 +%if cpuflag(avx2) +.left8_%1: + mov r2d, r3d + test r3d, 8 + jz .left4_%1 + mov%1 m0, [r1] + pshufb m0, m2 + mov%1 [r0 + 0], m0 + add r1, mmsize + add r0, mmsize +%endif .left4_%1: mov r2d, r3d test r3d, 4 jz .left - mov%1 m0, [r1] + mov%1 xm0, [r1] %if cpuflag(ssse3) - pshufb m0, m2 - mov%1 [r0], m0 + pshufb xm0, xm2 + mov%1 [r0], xm0 %else pshuflw m0, m0, 10110001b pshufhw m0, m0, 10110001b @@ -82,13 +101,16 @@ SECTION .text ; void ff_bswap_buf(uint32_t *dst, const uint32_t *src, int w); %macro BSWAP32_BUF 0 -%if cpuflag(ssse3) +%if cpuflag(ssse3)||cpuflag(avx2) cglobal bswap32_buf, 3,4,3 - mova m2, [pb_bswap32] + mov r3, r1 + VBROADCASTI128 m2, [pb_bswap32] %else cglobal bswap32_buf, 3,4,5 + mov r3, r1 %endif - test r1, 15 + or r3, r0 + test r3, mmsize - 1 jz .start_align BSWAP_LOOPS u jmp .left @@ -98,9 +120,9 @@ cglobal bswap32_buf, 3,4,5 %if cpuflag(ssse3) test r2d, 2 jz .left1 - movq m0, [r1] - pshufb m0, m2 - movq [r0], m0 + movq xm0, [r1] + pshufb xm0, xm2 + movq [r0], xm0 add r1, 8 add r0, 8 .left1: @@ -130,3 +152,8 @@ BSWAP32_BUF INIT_XMM ssse3 BSWAP32_BUF + +%if HAVE_AVX2_EXTERNAL +INIT_YMM avx2 +BSWAP32_BUF +%endif |
