| Index: simd/jquantf-sse2-64.asm | 
| diff --git a/simd/jquantf-sse2-64.asm b/simd/jquantf-sse2-64.asm | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..8af256c412ae93ed8cb104eace0f0fdf674d8828 | 
| --- /dev/null | 
| +++ b/simd/jquantf-sse2-64.asm | 
| @@ -0,0 +1,158 @@ | 
| +; | 
| +; jquantf.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) | 
| + | 
| +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) | 
| + | 
| +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 | 
|  |