x264 source for verification 2026-05-22

common/x86/const-a.asm

@@ -0,0 +1,82 @@
+;*****************************************************************************
+;* const-a.asm: x86 global constants
+;*****************************************************************************
+;* Copyright (C) 2010-2025 x264 project
+;*
+;* Authors: Loren Merritt <lorenm@u.washington.edu>
+;*          Fiona Glaser <fiona@x264.com>
+;*
+;* This program 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.
+;*
+;* This program 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 this program; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+;*
+;* This program is also available under a commercial proprietary license.
+;* For more information, contact us at licensing@x264.com.
+;*****************************************************************************
+
+%include "x86inc.asm"
+
+SECTION_RODATA 32
+
+const pb_1,        times 32 db 1
+const hsub_mul,    times 16 db 1, -1
+const pw_1,        times 16 dw 1
+const pw_16,       times 16 dw 16
+const pw_32,       times 16 dw 32
+const pw_512,      times 16 dw 512
+const pw_00ff,     times 16 dw 0x00ff
+const pw_pixel_max,times 16 dw ((1 << BIT_DEPTH)-1)
+const pw_0to15,    dw 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
+const pd_1,        times 8 dd 1
+const pd_0123,     dd 0,1,2,3
+const pd_4567,     dd 4,5,6,7
+const deinterleave_shufd, dd 0,4,1,5,2,6,3,7
+const pb_unpackbd1, times 2 db 0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3
+const pb_unpackbd2, times 2 db 4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7
+
+const pb_01,       times  8 db 0,1
+const pb_0,        times 16 db 0
+const pb_a1,       times 16 db 0xa1
+const pb_3,        times 16 db 3
+const pb_shuf8x8c, db 0,0,0,0,2,2,2,2,4,4,4,4,6,6,6,6
+
+const pw_2,        times 8 dw 2
+const pw_m2,       times 8 dw -2
+const pw_4,        times 8 dw 4
+const pw_8,        times 8 dw 8
+const pw_64,       times 8 dw 64
+const pw_256,      times 8 dw 256
+const pw_32_0,     times 4 dw 32
+                   times 4 dw 0
+const pw_8000,     times 8 dw 0x8000
+const pw_3fff,     times 8 dw 0x3fff
+const pw_ppppmmmm, dw 1,1,1,1,-1,-1,-1,-1
+const pw_ppmmppmm, dw 1,1,-1,-1,1,1,-1,-1
+const pw_pmpmpmpm, dw 1,-1,1,-1,1,-1,1,-1
+const pw_pmmpzzzz, dw 1,-1,-1,1,0,0,0,0
+
+const pd_8,        times 4 dd 8
+const pd_32,       times 4 dd 32
+const pd_1024,     times 4 dd 1024
+const pd_ffff,     times 4 dd 0xffff
+const pw_ff00,     times 8 dw 0xff00
+
+const popcnt_table
+%assign x 0
+%rep 256
+; population count
+db ((x>>0)&1)+((x>>1)&1)+((x>>2)&1)+((x>>3)&1)+((x>>4)&1)+((x>>5)&1)+((x>>6)&1)+((x>>7)&1)
+%assign x x+1
+%endrep
+
+const sw_64,       dd 64