--- libpostproc/x86/PPUtil.asm | 116 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 libpostproc/x86/PPUtil.asm
diff --git a/libpostproc/x86/PPUtil.asm b/libpostproc/x86/PPUtil.asm new file mode 100644 index 0000000..090ee18 --- /dev/null +++ b/libpostproc/x86/PPUtil.asm @@ -0,0 +1,116 @@ +;****************************************************************************** +;* +;* Copyright (c) 2015 Tucker DiNapoli +;* +;* Utility code/marcos used in asm files for libpostproc +;* +;* This file is part of FFmpeg. +;* +;* FFmpeg is free software; you can redistribute it and/or modify +;* it under the terms of the GNU General Public License as published by +;* the Free Software Foundation; either version 2 of the License, or +;* (at your option) any later version. +;* +;* 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 General Public License for more details. +;* +;* You should have received a copy of the GNU General Public License +;* along with FFmpeg; if not, write to the Free Software +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;* +%include "libavutil/x86/x86util.asm" +%include "PPContext.asm" +;; Macros to simplify moving packed data + +;; copy low quadword to upper quadword(s) +%macro dup_low_quadword 1 +%if cpuflag(sse2) + pshufpd %1, %1, 0x00 +%elif cpuflag(avx2) + vpermq %1, %1, 01010101b +%endif +%endmacro + +;; move the low half of the mmx/xmm/ymm register in %2 into %1 +;; %1 should be a memory location +%macro mov_vector_low_half 2 +%if mmsize == 32 +vextractf128 %1, %2, 0x00 +%elif mmsize == 16 +movlpd %1, %2 +%elif mmsize == 8 +movd %1, %2 +%else +%error "mmsize defined to unsupported value" +%endif +%endmacro +;; move the high half of the mmx/xmm/ymm register in %2 into %1 +;; %1 should be a memory location +%macro mov_vector_high_half 2-3 m0 +%if mmsize == 32 +vextractf128 %1, %2, 0x01 +%elif mmsize == 16 +movhpd %1, %2 +%elif mmsize == 8 +;; there's no instruction, pre sse4.1, to move the high 32 bits of an mmx +;; register, so use the optional third argument as a temporary register +;; shift it right by 32 bits and extract the low doubleword +movq %3, %2 +psrl %3, 32 +movd %1, %3 +%else +%error "mmsize defined to unsupported value" +%endif +%endmacro + +;; define packed conditional moves, of the form: +;; pcmovXXS dst, src, arg1, arg2, tmp +;; where XX is a comparision (eq,ne,gt,...) and S is a size(b,w,d,q) +;; copy src to dest, then compare arg1 with arg2 and store +;; the result in tmp, finally AND src with tmp. +%macro do_simd_sizes 2 +%1 %2b +%1 %2w +%1 %2d +%1 %2q +%endmacro +;; macro generating macro +%macro gen_pcmovxx 1 +%macro pcmov%1 4-6 ,%1 ;;dst, src, cmp1, cmp2, [tmp = cmp2] +%if %0 == 5 +%ifnidn %5,%3 + mova %5,%3 +%endif +%endif + pcmp%6 %5,%4 + mova %1, %2 + pand %1, %5 +%endmacro +%endmacro +do_simd_sizes gen_pcmovxx,eq +do_simd_sizes gen_pcmovxx,ne +do_simd_sizes gen_pcmovxx,lt +do_simd_sizes gen_pcmovxx,le +do_simd_sizes gen_pcmovxx,gt +do_simd_sizes gen_pcmovxx,ge + +;; Macros for defining simd constants +%macro define_qword_vector_constant 5 +%if cpuflag(avx2) +SECTION_RODATA 32 +%else +SECTION_RODATA 16 +%endif +%1: + dq %2 +%if cpuflag(sse2) + dq %3 +%if cpuflag(avx2) + dq %4 + dq %5 +%endif +%endif +SECTION_TEXT +%endmacro -- 2.2.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
