Update to libjpeg_turbo 1.4.90

simd/jcqnts2f-64.asm

-;
-; jcqnts2f-64.asm - sample data conversion and quantization (64-bit SSE & SSE2)
-;
-; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
-; Copyright 2009 D. R. Commander
-;
-; Based on
-; 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),
-; can *not* be assembled with Microsoft's MASM or any compatible
-; assembler (including Borland's Turbo Assembler).
-; NASM is available from http://nasm.sourceforge.net/ or
-; http://sourceforge.net/project/showfiles.php?group_id=6208
-;
-; [TAB8]
-
-%include "jsimdext.inc"
-%include "jdct.inc"
-
-; --------------------------------------------------------------------------
-        SECTION SEG_TEXT
-        BITS    64
-;
-; Load data into workspace, applying unsigned->signed conversion
-;
-; GLOBAL(void)
-; jsimd_convsamp_float_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col,
-;                            FAST_FLOAT * workspace);
-;
-
-; r10 = JSAMPARRAY sample_data
-; r11 = JDIMENSION start_col
-; r12 = FAST_FLOAT * workspace
-
-        align   16
-        global  EXTN(jsimd_convsamp_float_sse2) PRIVATE
-
-EXTN(jsimd_convsamp_float_sse2):
-        push    rbp
-        mov     rax,rsp
-        mov     rbp,rsp
-        collect_args
-        push    rbx
-
-        pcmpeqw  xmm7,xmm7
-        psllw    xmm7,7
-        packsswb xmm7,xmm7              ; xmm7 = PB_CENTERJSAMPLE (0x808080..)
-
-        mov rsi, r10
-        mov     eax, r11d
-        mov rdi, r12
-        mov     rcx, DCTSIZE/2
-.convloop:
-        mov     rbx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW]   ; (JSAMPLE *)
-        mov rdx, JSAMPROW [rsi+1*SIZEOF_JSAMPROW]       ; (JSAMPLE *)
-
-        movq    xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE]
-        movq    xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE]
-
-        psubb   xmm0,xmm7                       ; xmm0=(01234567)
-        psubb   xmm1,xmm7                       ; xmm1=(89ABCDEF)
-
-        punpcklbw xmm0,xmm0                     ; xmm0=(*0*1*2*3*4*5*6*7)
-        punpcklbw xmm1,xmm1                     ; xmm1=(*8*9*A*B*C*D*E*F)
-
-        punpcklwd xmm2,xmm0                     ; xmm2=(***0***1***2***3)
-        punpckhwd xmm0,xmm0                     ; xmm0=(***4***5***6***7)
-        punpcklwd xmm3,xmm1                     ; xmm3=(***8***9***A***B)
-        punpckhwd xmm1,xmm1                     ; xmm1=(***C***D***E***F)
-
-        psrad     xmm2,(DWORD_BIT-BYTE_BIT)     ; xmm2=(0123)
-        psrad     xmm0,(DWORD_BIT-BYTE_BIT)     ; xmm0=(4567)
-        cvtdq2ps  xmm2,xmm2                     ; xmm2=(0123)
-        cvtdq2ps  xmm0,xmm0                     ; xmm0=(4567)
-        psrad     xmm3,(DWORD_BIT-BYTE_BIT)     ; xmm3=(89AB)
-        psrad     xmm1,(DWORD_BIT-BYTE_BIT)     ; xmm1=(CDEF)
-        cvtdq2ps  xmm3,xmm3                     ; xmm3=(89AB)
-        cvtdq2ps  xmm1,xmm1                     ; xmm1=(CDEF)
-
-        movaps  XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm2
-        movaps  XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm0
-        movaps  XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm3
-        movaps  XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm1
-
-        add     rsi, byte 2*SIZEOF_JSAMPROW
-        add     rdi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT
-        dec     rcx
-        jnz     short .convloop
-
-        pop     rbx
-        uncollect_args
-        pop     rbp
-        ret
-
-
-; --------------------------------------------------------------------------
-;
-; Quantize/descale the coefficients, and store into coef_block
-;
-; GLOBAL(void)
-; jsimd_quantize_float_sse2 (JCOEFPTR coef_block, FAST_FLOAT * divisors,
-;                         FAST_FLOAT * workspace);
-;
-
-; r10 = JCOEFPTR coef_block
-; r11 = FAST_FLOAT * divisors
-; r12 = FAST_FLOAT * workspace
-
-        align   16
-        global  EXTN(jsimd_quantize_float_sse2) PRIVATE
-
-EXTN(jsimd_quantize_float_sse2):
-        push    rbp
-        mov     rax,rsp
-        mov     rbp,rsp
-        collect_args
-
-        mov rsi, r12
-        mov rdx, r11
-        mov rdi, r10
-        mov     rax, DCTSIZE2/16
-.quantloop:
-        movaps  xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_FAST_FLOAT)]
-        movaps  xmm1, XMMWORD [XMMBLOCK(0,1,rsi,SIZEOF_FAST_FLOAT)]
-        mulps   xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)]
-        mulps   xmm1, XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)]
-        movaps  xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_FAST_FLOAT)]
-        movaps  xmm3, XMMWORD [XMMBLOCK(1,1,rsi,SIZEOF_FAST_FLOAT)]
-        mulps   xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)]
-        mulps   xmm3, XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)]
-
-        cvtps2dq xmm0,xmm0
-        cvtps2dq xmm1,xmm1
-        cvtps2dq xmm2,xmm2
-        cvtps2dq xmm3,xmm3
-
-        packssdw xmm0,xmm1
-        packssdw xmm2,xmm3
-
-        movdqa  XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_JCOEF)], xmm0
-        movdqa  XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_JCOEF)], xmm2
-
-        add     rsi, byte 16*SIZEOF_FAST_FLOAT
-        add     rdx, byte 16*SIZEOF_FAST_FLOAT
-        add     rdi, byte 16*SIZEOF_JCOEF
-        dec     rax
-        jnz     short .quantloop
-
-        uncollect_args
-        pop     rbp
-        ret
-
-; For some reason, the OS X linker does not honor the request to align the
-; segment unless we do this.
-        align   16