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diff --git a/media/libjpeg/simd/x86_64/jquanti-avx2.asm b/media/libjpeg/simd/x86_64/jquanti-avx2.asm
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+;
+; jquanti.asm - sample data conversion and quantization (64-bit AVX2)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright (C) 2009, 2016, 2018, D. R. Commander.
+; Copyright (C) 2016, Matthieu Darbois.
+; Copyright (C) 2018, Matthias Räncker.
+;
+; 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),
+; 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
+
+%include "jsimdext.inc"
+%include "jdct.inc"
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 64
+;
+; Load data into workspace, applying unsigned->signed conversion
+;
+; GLOBAL(void)
+; jsimd_convsamp_avx2(JSAMPARRAY sample_data, JDIMENSION start_col,
+; DCTELEM *workspace);
+;
+
+; r10 = JSAMPARRAY sample_data
+; r11d = JDIMENSION start_col
+; r12 = DCTELEM *workspace
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_convsamp_avx2)
+
+EXTN(jsimd_convsamp_avx2):
+ push rbp
+ mov rax, rsp
+ mov rbp, rsp
+ collect_args 3
+
+ mov eax, r11d
+
+ mov rsip, JSAMPROW [r10+0*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ mov rdip, JSAMPROW [r10+1*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ movq xmm0, XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE]
+ pinsrq xmm0, XMM_MMWORD [rdi+rax*SIZEOF_JSAMPLE], 1
+
+ mov rsip, JSAMPROW [r10+2*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ mov rdip, JSAMPROW [r10+3*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ movq xmm1, XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE]
+ pinsrq xmm1, XMM_MMWORD [rdi+rax*SIZEOF_JSAMPLE], 1
+
+ mov rsip, JSAMPROW [r10+4*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ mov rdip, JSAMPROW [r10+5*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ movq xmm2, XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE]
+ pinsrq xmm2, XMM_MMWORD [rdi+rax*SIZEOF_JSAMPLE], 1
+
+ mov rsip, JSAMPROW [r10+6*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ mov rdip, JSAMPROW [r10+7*SIZEOF_JSAMPROW] ; (JSAMPLE *)
+ movq xmm3, XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE]
+ pinsrq xmm3, XMM_MMWORD [rdi+rax*SIZEOF_JSAMPLE], 1
+
+ vpmovzxbw ymm0, xmm0 ; ymm0=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17)
+ vpmovzxbw ymm1, xmm1 ; ymm1=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37)
+ vpmovzxbw ymm2, xmm2 ; ymm2=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57)
+ vpmovzxbw ymm3, xmm3 ; ymm3=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77)
+
+ vpcmpeqw ymm7, ymm7, ymm7
+ vpsllw ymm7, ymm7, 7 ; ymm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
+
+ vpaddw ymm0, ymm0, ymm7
+ vpaddw ymm1, ymm1, ymm7
+ vpaddw ymm2, ymm2, ymm7
+ vpaddw ymm3, ymm3, ymm7
+
+ vmovdqu YMMWORD [YMMBLOCK(0,0,r12,SIZEOF_DCTELEM)], ymm0
+ vmovdqu YMMWORD [YMMBLOCK(2,0,r12,SIZEOF_DCTELEM)], ymm1
+ vmovdqu YMMWORD [YMMBLOCK(4,0,r12,SIZEOF_DCTELEM)], ymm2
+ vmovdqu YMMWORD [YMMBLOCK(6,0,r12,SIZEOF_DCTELEM)], ymm3
+
+ vzeroupper
+ uncollect_args 3
+ pop rbp
+ ret
+
+; --------------------------------------------------------------------------
+;
+; Quantize/descale the coefficients, and store into coef_block
+;
+; This implementation is based on an algorithm described in
+; "How to optimize for the Pentium family of microprocessors"
+; (http://www.agner.org/assem/).
+;
+; GLOBAL(void)
+; jsimd_quantize_avx2(JCOEFPTR coef_block, DCTELEM *divisors,
+; DCTELEM *workspace);
+;
+
+%define RECIPROCAL(m, n, b) \
+ YMMBLOCK(DCTSIZE * 0 + (m), (n), (b), SIZEOF_DCTELEM)
+%define CORRECTION(m, n, b) \
+ YMMBLOCK(DCTSIZE * 1 + (m), (n), (b), SIZEOF_DCTELEM)
+%define SCALE(m, n, b) \
+ YMMBLOCK(DCTSIZE * 2 + (m), (n), (b), SIZEOF_DCTELEM)
+
+; r10 = JCOEFPTR coef_block
+; r11 = DCTELEM *divisors
+; r12 = DCTELEM *workspace
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_quantize_avx2)
+
+EXTN(jsimd_quantize_avx2):
+ push rbp
+ mov rax, rsp
+ mov rbp, rsp
+ collect_args 3
+
+ vmovdqu ymm4, [YMMBLOCK(0,0,r12,SIZEOF_DCTELEM)]
+ vmovdqu ymm5, [YMMBLOCK(2,0,r12,SIZEOF_DCTELEM)]
+ vmovdqu ymm6, [YMMBLOCK(4,0,r12,SIZEOF_DCTELEM)]
+ vmovdqu ymm7, [YMMBLOCK(6,0,r12,SIZEOF_DCTELEM)]
+ vpabsw ymm0, ymm4
+ vpabsw ymm1, ymm5
+ vpabsw ymm2, ymm6
+ vpabsw ymm3, ymm7
+
+ vpaddw ymm0, YMMWORD [CORRECTION(0,0,r11)] ; correction + roundfactor
+ vpaddw ymm1, YMMWORD [CORRECTION(2,0,r11)]
+ vpaddw ymm2, YMMWORD [CORRECTION(4,0,r11)]
+ vpaddw ymm3, YMMWORD [CORRECTION(6,0,r11)]
+ vpmulhuw ymm0, YMMWORD [RECIPROCAL(0,0,r11)] ; reciprocal
+ vpmulhuw ymm1, YMMWORD [RECIPROCAL(2,0,r11)]
+ vpmulhuw ymm2, YMMWORD [RECIPROCAL(4,0,r11)]
+ vpmulhuw ymm3, YMMWORD [RECIPROCAL(6,0,r11)]
+ vpmulhuw ymm0, YMMWORD [SCALE(0,0,r11)] ; scale
+ vpmulhuw ymm1, YMMWORD [SCALE(2,0,r11)]
+ vpmulhuw ymm2, YMMWORD [SCALE(4,0,r11)]
+ vpmulhuw ymm3, YMMWORD [SCALE(6,0,r11)]
+
+ vpsignw ymm0, ymm0, ymm4
+ vpsignw ymm1, ymm1, ymm5
+ vpsignw ymm2, ymm2, ymm6
+ vpsignw ymm3, ymm3, ymm7
+
+ vmovdqu [YMMBLOCK(0,0,r10,SIZEOF_DCTELEM)], ymm0
+ vmovdqu [YMMBLOCK(2,0,r10,SIZEOF_DCTELEM)], ymm1
+ vmovdqu [YMMBLOCK(4,0,r10,SIZEOF_DCTELEM)], ymm2
+ vmovdqu [YMMBLOCK(6,0,r10,SIZEOF_DCTELEM)], ymm3
+
+ vzeroupper
+ uncollect_args 3
+ pop rbp
+ ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+ align 32