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https://github.com/libjpeg-turbo/libjpeg-turbo
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ea4ee22932
We use a standard set of strict compiler warnings with Clang and GCC to continuously test and maintain C89 conformance in the libjpeg API code. However, SIMD extensions need not comply with that. The Neon code specifically uses some C99isms, so disable -Wdeclaration-after-statement, -Wc99-extensions, and -Wpedantic in the scope of that code. Also modify the Neon feature tests so that they will succeed if any of the aforementioned compiler warnings are enabled.
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/*
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* jcgray-neon.c - grayscale colorspace conversion (Arm Neon)
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*
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* Copyright (C) 2020, Arm Limited. All Rights Reserved.
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* Copyright (C) 2024, D. R. Commander. All Rights Reserved.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#define JPEG_INTERNALS
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#include "../../src/jinclude.h"
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#include "../../src/jpeglib.h"
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#include "../../src/jsimd.h"
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#include "../../src/jdct.h"
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#include "../../src/jsimddct.h"
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#include "../jsimd.h"
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#include "align.h"
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#include "neon-compat.h"
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#include <arm_neon.h>
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/* RGB -> Grayscale conversion constants */
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#define F_0_298 19595
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#define F_0_587 38470
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#define F_0_113 7471
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/* Include inline routines for colorspace extensions. */
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#define RGB_RED EXT_RGB_RED
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#define RGB_GREEN EXT_RGB_GREEN
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#define RGB_BLUE EXT_RGB_BLUE
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#define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
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#define jsimd_rgb_gray_convert_neon jsimd_extrgb_gray_convert_neon
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#undef jsimd_rgb_gray_convert_neon
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#define RGB_RED EXT_RGBX_RED
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#define RGB_GREEN EXT_RGBX_GREEN
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#define RGB_BLUE EXT_RGBX_BLUE
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#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
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#define jsimd_rgb_gray_convert_neon jsimd_extrgbx_gray_convert_neon
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#undef jsimd_rgb_gray_convert_neon
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#define RGB_RED EXT_BGR_RED
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#define RGB_GREEN EXT_BGR_GREEN
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#define RGB_BLUE EXT_BGR_BLUE
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#define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
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#define jsimd_rgb_gray_convert_neon jsimd_extbgr_gray_convert_neon
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#undef jsimd_rgb_gray_convert_neon
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#define RGB_RED EXT_BGRX_RED
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#define RGB_GREEN EXT_BGRX_GREEN
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#define RGB_BLUE EXT_BGRX_BLUE
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#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
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#define jsimd_rgb_gray_convert_neon jsimd_extbgrx_gray_convert_neon
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#undef jsimd_rgb_gray_convert_neon
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#define RGB_RED EXT_XBGR_RED
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#define RGB_GREEN EXT_XBGR_GREEN
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#define RGB_BLUE EXT_XBGR_BLUE
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#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
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#define jsimd_rgb_gray_convert_neon jsimd_extxbgr_gray_convert_neon
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#undef jsimd_rgb_gray_convert_neon
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#define RGB_RED EXT_XRGB_RED
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#define RGB_GREEN EXT_XRGB_GREEN
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#define RGB_BLUE EXT_XRGB_BLUE
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#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
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#define jsimd_rgb_gray_convert_neon jsimd_extxrgb_gray_convert_neon
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#include "jcgryext-neon.c"
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#undef RGB_RED
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#undef RGB_GREEN
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#undef RGB_BLUE
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#undef RGB_PIXELSIZE
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#undef jsimd_rgb_gray_convert_neon
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