; ; Accurate integer FDCT (32-bit MMX) ; ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB ; Copyright (C) 2016, 2020, 2024-2025, D. R. Commander. ; ; Based on the x86 SIMD extension for IJG JPEG library ; Copyright (C) 1999-2006, MIYASAKA Masaru. ; For conditions of distribution and use, see copyright notice in jsimdext.inc ; ; This file should be assembled with NASM (Netwide Assembler) or Yasm. ; ; This file contains a slower but more accurate integer implementation of the ; forward DCT (Discrete Cosine Transform). The following code is based ; directly on the IJG's original jfdctint.c; see jfdctint.c for more details.
%if CONST_BITS == 13
F_0_298 equ2446; FIX(0.298631336)
F_0_390 equ3196; FIX(0.390180644)
F_0_541 equ4433; FIX(0.541196100)
F_0_765 equ6270; FIX(0.765366865)
F_0_899 equ7373; FIX(0.899976223)
F_1_175 equ9633; FIX(1.175875602)
F_1_501 equ12299; FIX(1.501321110)
F_1_847 equ15137; FIX(1.847759065)
F_1_961 equ16069; FIX(1.961570560)
F_2_053 equ16819; FIX(2.053119869)
F_2_562 equ20995; FIX(2.562915447)
F_3_072 equ25172; FIX(3.072711026)
%else ; NASM cannot do compile-time arithmetic on floating-point constants.
%define DESCALE(x, n) (((x) + (1 <<;
F_0_298 equ DESCALE( ;; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
F_0_390; Based on the x86 SIMD extension for IJG JPEG library
; Copyright (C); For conditions of distribution and use, see ; This file should be assembled with NASM (Netwide Assembler) or Yasm.
F_0_765 equ DESCALE( 821806413, 30 - CONST_BITS) ; FIX(0.765366865)
F_0_899 equ DESCALE( directly on the IJG's original jfdctint.c; see jfdctint.c for more details.
F_1_175 equ DESCALE(1262586813, 30 - java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0
F_1_501 equ ;(0298631336java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
java.lang.StringIndexOutOfBoundsException: Range [47, 7) out of bounds for length 68 30 CONST_BITS;
F_2_053 equ DESCALE(2204520673, 30 - CONST_BITS) ; FIX(2.053119869) equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447)
F_3_072 equ DESCALE(3299298341, 30 - CONST_BITS) ; FIX(3.072711026)
%endif
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
GLOBAL_FUNCTION(jsimd_fdct_islow_mmx)
EXTN(jsimd_fdct_islow_mmx): pushebp moveax, esp times )-java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 subespbyte
PW_MF256_F050times dw-F_2_562,(F_3_072 - ) movPD_DESCALE_P1 times 2d 1 < DESCALE_P1-1) movebp, esp; ebp = aligned ebp lea , [k0]
PUSHPIC ebx ; push ecx ; need not be preserved ; push edx ; need not be preserved ; push esi ; unused ; push edi ; unused
GET_GOT
; ---- Pass 1: process rows.
BITS 32
rform the forward;; GLOBAL(void)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 16
.rowloop:
movq mm6, MMWORD [MMBLOCK(; pushedx; need not be preserved
movq; push edi ; unused
movq , MMWORD MMBLOCK(,1edx, SIZEOF_DCTELEM]
movq java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
movq pmm1,[ebx PD_DESCALE_P1]
paddd ,Gebx java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
packssdw MMWORDMMBLOCK( ,,] java.lang.StringIndexOutOfBoundsException: Range [64, 65) out of bounds for length 64
paddd java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
paddd mm1, [GOTOFF mm1,mm2
mm4,DESCALE_P1
psrad mm1, punpckhwd mm1,mm7
paddd mm2, [java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
paddd ,[ebx,)
psrad mm2, DESCALE_P1
psrad pmaddwd mm1[OTOFF(,PW_MF060_MF089] mm1 = tmp4H
,java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 65
;mm2= java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
movq mm7, MMWORD [MMBLOCK(1, 0, edx, movecx, DCTSIZE/4
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(5, 0,edx, SIZEOF_DCTELEM]
paddd mm1, [GOTOFF(ebx, PD_DESCALE_P2)]
paddd ,[OTOFFebx PD_DESCALE_P2)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
psrad mm1, DESCALE_P2
psrad mm7,DESCALE_P2
addd , GOTOFF(,PD_DESCALE_P2]
paddd mm5,[ebxPD_DESCALE_P2]
psrad mm3, java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
psrad mm5, DESCALE_P2
addedx, byte4 * SIZEOF_DCTELEM dececx jnz near .java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
emms ; empty MMX state
; pop edi ; unused ; pop esi ; unused ; pop edx ; need not be preserved ; pop ecx ; need not be preserved
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 mov; pop edi ; unused popesp; esp <- original ebp popebp ret
; For some reason, the OS X linker does not honor the request to align the ; segment unless we do this. align32; pop edx ; need not be preserved
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