--- /dev/null
+/*
+ * Loongson MMI optimizations for libjpeg-turbo
+ *
+ * Copyright (C) 2011, 2015, D. R. Commander. All Rights Reserved.
+ * Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
+ * All Rights Reserved.
+ * Authors: ZhangLixia <zhanglixia-hf@loongson.cn>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+/* YCC --> RGB CONVERSION */
+
+#include "jsimd_mmi.h"
+
+
+#define F_0_344 ((short)22554) /* FIX(0.34414) */
+#define F_0_402 ((short)26345) /* FIX(1.40200) - FIX(1) */
+#define F_0_285 ((short)18734) /* FIX(1) - FIX(0.71414) */
+#define F_0_228 ((short)14942) /* FIX(2) - FIX(1.77200) */
+
+enum const_index {
+ index_PW_ONE,
+ index_PW_F0402,
+ index_PW_MF0228,
+ index_PW_MF0344_F0285,
+ index_PD_ONEHALF
+};
+
+static uint64_t const_value[] = {
+ _uint64_set_pi16(1, 1, 1, 1),
+ _uint64_set_pi16(F_0_402, F_0_402, F_0_402, F_0_402),
+ _uint64_set_pi16(-F_0_228, -F_0_228, -F_0_228, -F_0_228),
+ _uint64_set_pi16(F_0_285, -F_0_344, F_0_285, -F_0_344),
+ _uint64_set_pi32((int)(1 << (SCALEBITS - 1)), (int)(1 << (SCALEBITS - 1)))
+};
+
+#define PW_ONE get_const_value(index_PW_ONE)
+#define PW_F0402 get_const_value(index_PW_F0402)
+#define PW_MF0228 get_const_value(index_PW_MF0228)
+#define PW_MF0344_F0285 get_const_value(index_PW_MF0344_F0285)
+#define PD_ONEHALF get_const_value(index_PD_ONEHALF)
+
+#define RGBX_FILLER_0XFF 1
+
+
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+
+#define RGB_RED EXT_RGB_RED
+#define RGB_GREEN EXT_RGB_GREEN
+#define RGB_BLUE EXT_RGB_BLUE
+#define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
+#define jsimd_h2v1_merged_upsample_mmi jsimd_h2v1_extrgb_merged_upsample_mmi
+#define jsimd_h2v2_merged_upsample_mmi jsimd_h2v2_extrgb_merged_upsample_mmi
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+#undef jsimd_h2v1_merged_upsample_mmi
+#undef jsimd_h2v2_merged_upsample_mmi
+
+#define RGB_RED EXT_RGBX_RED
+#define RGB_GREEN EXT_RGBX_GREEN
+#define RGB_BLUE EXT_RGBX_BLUE
+#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
+#define jsimd_h2v1_merged_upsample_mmi jsimd_h2v1_extrgbx_merged_upsample_mmi
+#define jsimd_h2v2_merged_upsample_mmi jsimd_h2v2_extrgbx_merged_upsample_mmi
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+#undef jsimd_h2v1_merged_upsample_mmi
+#undef jsimd_h2v2_merged_upsample_mmi
+
+#define RGB_RED EXT_BGR_RED
+#define RGB_GREEN EXT_BGR_GREEN
+#define RGB_BLUE EXT_BGR_BLUE
+#define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
+#define jsimd_h2v1_merged_upsample_mmi jsimd_h2v1_extbgr_merged_upsample_mmi
+#define jsimd_h2v2_merged_upsample_mmi jsimd_h2v2_extbgr_merged_upsample_mmi
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+#undef jsimd_h2v1_merged_upsample_mmi
+#undef jsimd_h2v2_merged_upsample_mmi
+
+#define RGB_RED EXT_BGRX_RED
+#define RGB_GREEN EXT_BGRX_GREEN
+#define RGB_BLUE EXT_BGRX_BLUE
+#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
+#define jsimd_h2v1_merged_upsample_mmi jsimd_h2v1_extbgrx_merged_upsample_mmi
+#define jsimd_h2v2_merged_upsample_mmi jsimd_h2v2_extbgrx_merged_upsample_mmi
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+#undef jsimd_h2v1_merged_upsample_mmi
+#undef jsimd_h2v2_merged_upsample_mmi
+
+#define RGB_RED EXT_XBGR_RED
+#define RGB_GREEN EXT_XBGR_GREEN
+#define RGB_BLUE EXT_XBGR_BLUE
+#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
+#define jsimd_h2v1_merged_upsample_mmi jsimd_h2v1_extxbgr_merged_upsample_mmi
+#define jsimd_h2v2_merged_upsample_mmi jsimd_h2v2_extxbgr_merged_upsample_mmi
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+#undef jsimd_h2v1_merged_upsample_mmi
+#undef jsimd_h2v2_merged_upsample_mmi
+
+#define RGB_RED EXT_XRGB_RED
+#define RGB_GREEN EXT_XRGB_GREEN
+#define RGB_BLUE EXT_XRGB_BLUE
+#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
+#define jsimd_h2v1_merged_upsample_mmi jsimd_h2v1_extxrgb_merged_upsample_mmi
+#define jsimd_h2v2_merged_upsample_mmi jsimd_h2v2_extxrgb_merged_upsample_mmi
+#include "jdmrgext-mmi.c"
+#undef RGB_RED
+#undef RGB_GREEN
+#undef RGB_BLUE
+#undef RGB_PIXELSIZE
+#undef jsimd_h2v1_merged_upsample_mmi
+#undef jsimd_h2v2_merged_upsample_mmi
--- /dev/null
+/*
+ * Loongson MMI optimizations for libjpeg-turbo
+ *
+ * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2015, 2019, D. R. Commander. All Rights Reserved.
+ * Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
+ * All Rights Reserved.
+ * Authors: ZhangLixia <zhanglixia-hf@loongson.cn>
+ *
+ * Based on the x86 SIMD extension for IJG JPEG library
+ * Copyright (C) 1999-2006, MIYASAKA Masaru.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+/* This file is included by jdmerge-mmi.c */
+
+
+#if RGB_RED == 0
+#define mmA re
+#define mmB ro
+#elif RGB_GREEN == 0
+#define mmA ge
+#define mmB go
+#elif RGB_BLUE == 0
+#define mmA be
+#define mmB bo
+#else
+#define mmA xe
+#define mmB xo
+#endif
+
+#if RGB_RED == 1
+#define mmC re
+#define mmD ro
+#elif RGB_GREEN == 1
+#define mmC ge
+#define mmD go
+#elif RGB_BLUE == 1
+#define mmC be
+#define mmD bo
+#else
+#define mmC xe
+#define mmD xo
+#endif
+
+#if RGB_RED == 2
+#define mmE re
+#define mmF ro
+#elif RGB_GREEN == 2
+#define mmE ge
+#define mmF go
+#elif RGB_BLUE == 2
+#define mmE be
+#define mmF bo
+#else
+#define mmE xe
+#define mmF xo
+#endif
+
+#if RGB_RED == 3
+#define mmG re
+#define mmH ro
+#elif RGB_GREEN == 3
+#define mmG ge
+#define mmH go
+#elif RGB_BLUE == 3
+#define mmG be
+#define mmH bo
+#else
+#define mmG xe
+#define mmH xo
+#endif
+
+
+void jsimd_h2v1_merged_upsample_mmi(JDIMENSION output_width,
+ JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr,
+ JSAMPARRAY output_buf)
+{
+ JSAMPROW outptr, inptr0, inptr1, inptr2;
+ int num_cols, col;
+ __m64 ythise, ythiso, ythis, ynexte, ynexto, ynext, yl, y;
+ __m64 cbl, cbl2, cbh, cbh2, cb, crl, crl2, crh, crh2, cr;
+ __m64 rle, rlo, rl, rhe, rho, rh, re, ro;
+ __m64 ga, gb, gle, glo, gl, gc, gd, ghe, gho, gh, ge, go;
+ __m64 ble, blo, bl, bhe, bho, bh, be, bo, xe = 0.0, xo = 0.0;
+ __m64 decenter, mask, zero = 0.0;
+#if RGB_PIXELSIZE == 4
+ __m64 mm8, mm9;
+#endif
+
+ inptr0 = input_buf[0][in_row_group_ctr];
+ inptr1 = input_buf[1][in_row_group_ctr];
+ inptr2 = input_buf[2][in_row_group_ctr];
+ outptr = output_buf[0];
+
+ for (num_cols = output_width >> 1; num_cols > 0; num_cols -= 8,
+ inptr0 += 16, inptr1 += 8, inptr2 += 8) {
+
+ cb = _mm_load_si64((__m64 *)inptr1);
+ cr = _mm_load_si64((__m64 *)inptr2);
+ ythis = _mm_load_si64((__m64 *)inptr0);
+ ynext = _mm_load_si64((__m64 *)inptr0 + 1);
+
+ mask = decenter = 0.0;
+ mask = _mm_cmpeq_pi16(mask, mask);
+ decenter = _mm_cmpeq_pi16(decenter, decenter);
+ mask = _mm_srli_pi16(mask, BYTE_BIT); /* {0xFF 0x00 0xFF 0x00 ..} */
+ decenter = _mm_slli_pi16(decenter, 7); /* {0xFF80 0xFF80 0xFF80 0xFF80} */
+
+ cbl = _mm_unpacklo_pi8(cb, zero); /* Cb(0123) */
+ cbh = _mm_unpackhi_pi8(cb, zero); /* Cb(4567) */
+ crl = _mm_unpacklo_pi8(cr, zero); /* Cr(0123) */
+ crh = _mm_unpackhi_pi8(cr, zero); /* Cr(4567) */
+ cbl = _mm_add_pi16(cbl, decenter);
+ cbh = _mm_add_pi16(cbh, decenter);
+ crl = _mm_add_pi16(crl, decenter);
+ crh = _mm_add_pi16(crh, decenter);
+
+ /* (Original)
+ * R = Y + 1.40200 * Cr
+ * G = Y - 0.34414 * Cb - 0.71414 * Cr
+ * B = Y + 1.77200 * Cb
+ *
+ * (This implementation)
+ * R = Y + 0.40200 * Cr + Cr
+ * G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr
+ * B = Y - 0.22800 * Cb + Cb + Cb
+ */
+
+ cbl2 = _mm_add_pi16(cbl, cbl); /* 2*CbL */
+ cbh2 = _mm_add_pi16(cbh, cbh); /* 2*CbH */
+ crl2 = _mm_add_pi16(crl, crl); /* 2*CrL */
+ crh2 = _mm_add_pi16(crh, crh); /* 2*CrH */
+
+ bl = _mm_mulhi_pi16(cbl2, PW_MF0228); /* (2*CbL * -FIX(0.22800) */
+ bh = _mm_mulhi_pi16(cbh2, PW_MF0228); /* (2*CbH * -FIX(0.22800) */
+ rl = _mm_mulhi_pi16(crl2, PW_F0402); /* (2*CrL * FIX(0.40200)) */
+ rh = _mm_mulhi_pi16(crh2, PW_F0402); /* (2*CrH * FIX(0.40200)) */
+
+ bl = _mm_add_pi16(bl, PW_ONE);
+ bh = _mm_add_pi16(bh, PW_ONE);
+ bl = _mm_srai_pi16(bl, 1); /* (CbL * -FIX(0.22800)) */
+ bh = _mm_srai_pi16(bh, 1); /* (CbH * -FIX(0.22800)) */
+ rl = _mm_add_pi16(rl, PW_ONE);
+ rh = _mm_add_pi16(rh, PW_ONE);
+ rl = _mm_srai_pi16(rl, 1); /* (CrL * FIX(0.40200)) */
+ rh = _mm_srai_pi16(rh, 1); /* (CrH * FIX(0.40200)) */
+
+ bl = _mm_add_pi16(bl, cbl);
+ bh = _mm_add_pi16(bh, cbh);
+ bl = _mm_add_pi16(bl, cbl); /* (CbL * FIX(1.77200))=(B-Y)L */
+ bh = _mm_add_pi16(bh, cbh); /* (CbH * FIX(1.77200))=(B-Y)H */
+ rl = _mm_add_pi16(rl, crl); /* (CrL * FIX(1.40200))=(R-Y)L */
+ rh = _mm_add_pi16(rh, crh); /* (CrH * FIX(1.40200))=(R-Y)H */
+
+ ga = _mm_unpacklo_pi16(cbl, crl);
+ gb = _mm_unpackhi_pi16(cbl, crl);
+ ga = _mm_madd_pi16(ga, PW_MF0344_F0285);
+ gb = _mm_madd_pi16(gb, PW_MF0344_F0285);
+ gc = _mm_unpacklo_pi16(cbh, crh);
+ gd = _mm_unpackhi_pi16(cbh, crh);
+ gc = _mm_madd_pi16(gc, PW_MF0344_F0285);
+ gd = _mm_madd_pi16(gd, PW_MF0344_F0285);
+
+ ga = _mm_add_pi32(ga, PD_ONEHALF);
+ gb = _mm_add_pi32(gb, PD_ONEHALF);
+ ga = _mm_srai_pi32(ga, SCALEBITS);
+ gb = _mm_srai_pi32(gb, SCALEBITS);
+ gc = _mm_add_pi32(gc, PD_ONEHALF);
+ gd = _mm_add_pi32(gd, PD_ONEHALF);
+ gc = _mm_srai_pi32(gc, SCALEBITS);
+ gd = _mm_srai_pi32(gd, SCALEBITS);
+
+ gl = _mm_packs_pi32(ga, gb); /* CbL*-FIX(0.344)+CrL*FIX(0.285) */
+ gh = _mm_packs_pi32(gc, gd); /* CbH*-FIX(0.344)+CrH*FIX(0.285) */
+ gl = _mm_sub_pi16(gl, crl); /* CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L */
+ gh = _mm_sub_pi16(gh, crh); /* CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H */
+
+ ythise = _mm_and_si64(mask, ythis); /* Y(0246) */
+ ythiso = _mm_srli_pi16(ythis, BYTE_BIT); /* Y(1357) */
+ ynexte = _mm_and_si64(mask, ynext); /* Y(8ACE) */
+ ynexto = _mm_srli_pi16(ynext, BYTE_BIT); /* Y(9BDF) */
+
+ rle = _mm_add_pi16(rl, ythise); /* (R0 R2 R4 R6) */
+ rlo = _mm_add_pi16(rl, ythiso); /* (R1 R3 R5 R7) */
+ rhe = _mm_add_pi16(rh, ynexte); /* (R8 RA RC RE) */
+ rho = _mm_add_pi16(rh, ynexto); /* (R9 RB RD RF) */
+ re = _mm_packs_pu16(rle, rhe); /* (R0 R2 R4 R6 R8 RA RC RE) */
+ ro = _mm_packs_pu16(rlo, rho); /* (R1 R3 R5 R7 R9 RB RD RF) */
+
+ gle = _mm_add_pi16(gl, ythise); /* (G0 G2 G4 G6) */
+ glo = _mm_add_pi16(gl, ythiso); /* (G1 G3 G5 G7) */
+ ghe = _mm_add_pi16(gh, ynexte); /* (G8 GA GC GE) */
+ gho = _mm_add_pi16(gh, ynexto); /* (G9 GB GD GF) */
+ ge = _mm_packs_pu16(gle, ghe); /* (G0 G2 G4 G6 G8 GA GC GE) */
+ go = _mm_packs_pu16(glo, gho); /* (G1 G3 G5 G7 G9 GB GD GF) */
+
+ ble = _mm_add_pi16(bl, ythise); /* (B0 B2 B4 B6) */
+ blo = _mm_add_pi16(bl, ythiso); /* (B1 B3 B5 B7) */
+ bhe = _mm_add_pi16(bh, ynexte); /* (B8 BA BC BE) */
+ bho = _mm_add_pi16(bh, ynexto); /* (B9 BB BD BF) */
+ be = _mm_packs_pu16(ble, bhe); /* (B0 B2 B4 B6 B8 BA BC BE) */
+ bo = _mm_packs_pu16(blo, bho); /* (B1 B3 B5 B7 B9 BB BD BF) */
+
+#if RGB_PIXELSIZE == 3
+
+ /* mmA=(00 02 04 06 08 0A 0C 0E), mmB=(01 03 05 07 09 0B 0D 0F) */
+ /* mmC=(10 12 14 16 18 1A 1C 1E), mmD=(11 13 15 17 19 1B 1D 1F) */
+ /* mmE=(20 22 24 26 28 2A 2C 2E), mmF=(21 23 25 27 29 2B 2D 2F) */
+ mmG = _mm_unpacklo_pi8(mmA, mmC); /* (00 10 02 12 04 14 06 16) */
+ mmA = _mm_unpackhi_pi8(mmA, mmC); /* (08 18 0A 1A 0C 1C 0E 1E) */
+ mmH = _mm_unpacklo_pi8(mmE, mmB); /* (20 01 22 03 24 05 26 07) */
+ mmE = _mm_unpackhi_pi8(mmE, mmB); /* (28 09 2A 0B 2C 0D 2E 0F) */
+ mmC = _mm_unpacklo_pi8(mmD, mmF); /* (11 21 13 23 15 25 17 27) */
+ mmD = _mm_unpackhi_pi8(mmD, mmF); /* (19 29 1B 2B 1D 2D 1F 2F) */
+
+ mmB = _mm_unpacklo_pi16(mmG, mmA); /* (00 10 08 18 02 12 0A 1A) */
+ mmA = _mm_unpackhi_pi16(mmG, mmA); /* (04 14 0C 1C 06 16 0E 1E) */
+ mmF = _mm_unpacklo_pi16(mmH, mmE); /* (20 01 28 09 22 03 2A 0B) */
+ mmE = _mm_unpackhi_pi16(mmH, mmE); /* (24 05 2C 0D 26 07 2E 0F) */
+ mmH = _mm_unpacklo_pi16(mmC, mmD); /* (11 21 19 29 13 23 1B 2B) */
+ mmG = _mm_unpackhi_pi16(mmC, mmD); /* (15 25 1D 2D 17 27 1F 2F) */
+
+ mmC = _mm_unpacklo_pi16(mmB, mmF); /* (00 10 20 01 08 18 28 09) */
+ mmB = _mm_srli_si64(mmB, 4 * BYTE_BIT);
+ mmB = _mm_unpacklo_pi16(mmH, mmB); /* (11 21 02 12 19 29 0A 1A) */
+ mmD = _mm_unpackhi_pi16(mmF, mmH); /* (22 03 13 23 2A 0B 1B 2B) */
+ mmF = _mm_unpacklo_pi16(mmA, mmE); /* (04 14 24 05 0C 1C 2C 0D) */
+ mmA = _mm_srli_si64(mmA, 4 * BYTE_BIT);
+ mmH = _mm_unpacklo_pi16(mmG, mmA); /* (15 25 06 16 1D 2D 0E 1E) */
+ mmG = _mm_unpackhi_pi16(mmE, mmG); /* (26 07 17 27 2E 0F 1F 2F) */
+
+ mmA = _mm_unpacklo_pi32(mmC, mmB); /* (00 10 20 01 11 21 02 12) */
+ mmE = _mm_unpackhi_pi32(mmC, mmB); /* (08 18 28 09 19 29 0A 1A) */
+ mmB = _mm_unpacklo_pi32(mmD, mmF); /* (22 03 13 23 04 14 24 05) */
+ mmF = _mm_unpackhi_pi32(mmD, mmF); /* (2A 0B 1B 2B 0C 1C 2C 0D) */
+ mmC = _mm_unpacklo_pi32(mmH, mmG); /* (15 25 06 16 26 07 17 27) */
+ mmG = _mm_unpackhi_pi32(mmH, mmG); /* (1D 2D 0E 1E 2E 0F 1F 2F) */
+
+ if (num_cols >= 8) {
+ _mm_store_si64((__m64 *)outptr, mmA);
+ _mm_store_si64((__m64 *)(outptr + 8), mmB);
+ _mm_store_si64((__m64 *)(outptr + 16), mmC);
+ _mm_store_si64((__m64 *)(outptr + 24), mmE);
+ _mm_store_si64((__m64 *)(outptr + 32), mmF);
+ _mm_store_si64((__m64 *)(outptr + 40), mmG);
+ outptr += RGB_PIXELSIZE * 16;
+ } else {
+ if (output_width & 1)
+ col = num_cols * 6 + 3;
+ else
+ col = num_cols * 6;
+
+ asm(".set noreorder\r\n" /* st24 */
+
+ "li $8, 24\r\n"
+ "move $9, %7\r\n"
+ "mov.s $f4, %1\r\n"
+ "mov.s $f6, %2\r\n"
+ "mov.s $f8, %3\r\n"
+ "move $10, %8\r\n"
+ "bltu $9, $8, 1f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, 0($10)\r\n"
+ "gssdlc1 $f6, 7+8($10)\r\n"
+ "gssdrc1 $f6, 8($10)\r\n"
+ "gssdlc1 $f8, 7+16($10)\r\n"
+ "gssdrc1 $f8, 16($10)\r\n"
+ "mov.s $f4, %4\r\n"
+ "mov.s $f6, %5\r\n"
+ "mov.s $f8, %6\r\n"
+ "subu $9, $9, 24\r\n"
+ "daddu $10, $10, 24\r\n"
+
+ "1: \r\n"
+ "li $8, 16\r\n" /* st16 */
+ "bltu $9, $8, 2f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, 0($10)\r\n"
+ "gssdlc1 $f6, 7+8($10)\r\n"
+ "gssdrc1 $f6, 8($10)\r\n"
+ "mov.s $f4, $f8\r\n"
+ "subu $9, $9, 16\r\n"
+ "daddu $10, $10, 16\r\n"
+
+ "2: \r\n"
+ "li $8, 8\r\n" /* st8 */
+ "bltu $9, $8, 3f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, 0($10)\r\n"
+ "mov.s $f4, $f6\r\n"
+ "subu $9, $9, 8\r\n"
+ "daddu $10, $10, 8\r\n"
+
+ "3: \r\n"
+ "li $8, 4\r\n" /* st4 */
+ "mfc1 $11, $f4\r\n"
+ "bltu $9, $8, 4f\r\n"
+ "nop \r\n"
+ "swl $11, 3($10)\r\n"
+ "swr $11, 0($10)\r\n"
+ "li $8, 32\r\n"
+ "mtc1 $8, $f6\r\n"
+ "dsrl $f4, $f4, $f6\r\n"
+ "mfc1 $11, $f4\r\n"
+ "subu $9, $9, 4\r\n"
+ "daddu $10, $10, 4\r\n"
+
+ "4: \r\n"
+ "li $8, 2\r\n" /* st2 */
+ "bltu $9, $8, 5f\r\n"
+ "nop \r\n"
+ "ush $11, 0($10)\r\n"
+ "srl $11, 16\r\n"
+ "subu $9, $9, 2\r\n"
+ "daddu $10, $10, 2\r\n"
+
+ "5: \r\n"
+ "li $8, 1\r\n" /* st1 */
+ "bltu $9, $8, 6f\r\n"
+ "nop \r\n"
+ "sb $11, 0($10)\r\n"
+
+ "6: \r\n"
+ "nop \r\n" /* end */
+ : "=m" (*outptr)
+ : "f" (mmA), "f" (mmB), "f" (mmC), "f" (mmE), "f" (mmF),
+ "f" (mmG), "r" (col), "r" (outptr)
+ : "$f4", "$f6", "$f8", "$8", "$9", "$10", "$11", "memory"
+ );
+ }
+
+#else /* RGB_PIXELSIZE == 4 */
+
+#ifdef RGBX_FILLER_0XFF
+ xe = _mm_cmpeq_pi8(xe, xe);
+ xo = _mm_cmpeq_pi8(xo, xo);
+#else
+ xe = _mm_xor_si64(xe, xe);
+ xo = _mm_xor_si64(xo, xo);
+#endif
+ /* mmA=(00 02 04 06 08 0A 0C 0E), mmB=(01 03 05 07 09 0B 0D 0F) */
+ /* mmC=(10 12 14 16 18 1A 1C 1E), mmD=(11 13 15 17 19 1B 1D 1F) */
+ /* mmE=(20 22 24 26 28 2A 2C 2E), mmF=(21 23 25 27 29 2B 2D 2F) */
+ /* mmG=(30 32 34 36 38 3A 3C 3E), mmH=(31 33 35 37 39 3B 3D 3F) */
+
+ mm8 = _mm_unpacklo_pi8(mmA, mmC); /* (00 10 02 12 04 14 06 16) */
+ mm9 = _mm_unpackhi_pi8(mmA, mmC); /* (08 18 0A 1A 0C 1C 0E 1E) */
+ mmA = _mm_unpacklo_pi8(mmE, mmG); /* (20 30 22 32 24 34 26 36) */
+ mmE = _mm_unpackhi_pi8(mmE, mmG); /* (28 38 2A 3A 2C 3C 2E 3E) */
+
+ mmG = _mm_unpacklo_pi8(mmB, mmD); /* (01 11 03 13 05 15 07 17) */
+ mmB = _mm_unpackhi_pi8(mmB, mmD); /* (09 19 0B 1B 0D 1D 0F 1F) */
+ mmD = _mm_unpacklo_pi8(mmF, mmH); /* (21 31 23 33 25 35 27 37) */
+ mmF = _mm_unpackhi_pi8(mmF, mmH); /* (29 39 2B 3B 2D 3D 2F 3F) */
+
+ mmH = _mm_unpacklo_pi16(mm8, mmA); /* (00 10 20 30 02 12 22 32) */
+ mm8 = _mm_unpackhi_pi16(mm8, mmA); /* (04 14 24 34 06 16 26 36) */
+ mmA = _mm_unpacklo_pi16(mmG, mmD); /* (01 11 21 31 03 13 23 33) */
+ mmD = _mm_unpackhi_pi16(mmG, mmD); /* (05 15 25 35 07 17 27 37) */
+
+ mmG = _mm_unpackhi_pi16(mm9, mmE); /* (0C 1C 2C 3C 0E 1E 2E 3E) */
+ mm9 = _mm_unpacklo_pi16(mm9, mmE); /* (08 18 28 38 0A 1A 2A 3A) */
+ mmE = _mm_unpacklo_pi16(mmB, mmF); /* (09 19 29 39 0B 1B 2B 3B) */
+ mmF = _mm_unpackhi_pi16(mmB, mmF); /* (0D 1D 2D 3D 0F 1F 2F 3F) */
+
+ mmB = _mm_unpackhi_pi32(mmH, mmA); /* (02 12 22 32 03 13 23 33) */
+ mmA = _mm_unpacklo_pi32(mmH, mmA); /* (00 10 20 30 01 11 21 31) */
+ mmC = _mm_unpacklo_pi32(mm8, mmD); /* (04 14 24 34 05 15 25 35) */
+ mmD = _mm_unpackhi_pi32(mm8, mmD); /* (06 16 26 36 07 17 27 37) */
+
+ mmH = _mm_unpackhi_pi32(mmG, mmF); /* (0E 1E 2E 3E 0F 1F 2F 3F) */
+ mmG = _mm_unpacklo_pi32(mmG, mmF); /* (0C 1C 2C 3C 0D 1D 2D 3D) */
+ mmF = _mm_unpackhi_pi32(mm9, mmE); /* (0A 1A 2A 3A 0B 1B 2B 3B) */
+ mmE = _mm_unpacklo_pi32(mm9, mmE); /* (08 18 28 38 09 19 29 39) */
+
+ if (num_cols >= 8) {
+ _mm_store_si64((__m64 *)outptr, mmA);
+ _mm_store_si64((__m64 *)(outptr + 8), mmB);
+ _mm_store_si64((__m64 *)(outptr + 16), mmC);
+ _mm_store_si64((__m64 *)(outptr + 24), mmD);
+ _mm_store_si64((__m64 *)(outptr + 32), mmE);
+ _mm_store_si64((__m64 *)(outptr + 40), mmF);
+ _mm_store_si64((__m64 *)(outptr + 48), mmG);
+ _mm_store_si64((__m64 *)(outptr + 56), mmH);
+ outptr += RGB_PIXELSIZE * 16;
+ } else {
+ if(output_width & 1)
+ col = num_cols * 2 + 1;
+ else
+ col = num_cols * 2;
+ asm(".set noreorder\r\n" /* st32 */
+
+ "li $8, 8\r\n"
+ "move $9, %10\r\n"
+ "move $10, %11\r\n"
+ "mov.s $f4, %2\r\n"
+ "mov.s $f6, %3\r\n"
+ "mov.s $f8, %4\r\n"
+ "mov.s $f10, %5\r\n"
+ "bltu $9, $8, 1f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, ($10)\r\n"
+ "gssdlc1 $f6, 7+8($10)\r\n"
+ "gssdrc1 $f6, 8($10)\r\n"
+ "gssdlc1 $f8, 7+16($10)\r\n"
+ "gssdrc1 $f8, 16($10)\r\n"
+ "gssdlc1 $f10, 7+24($10)\r\n"
+ "gssdrc1 $f10, 24($10)\r\n"
+ "mov.s $f4, %6\r\n"
+ "mov.s $f6, %7\r\n"
+ "mov.s $f8, %8\r\n"
+ "mov.s $f10, %9\r\n"
+ "subu $9, $9, 8\r\n"
+ "daddu $10, $10, 32\r\n"
+
+ "1: \r\n"
+ "li $8, 4\r\n" /* st16 */
+ "bltu $9, $8, 2f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, 0($10)\r\n"
+ "gssdlc1 $f6, 7+8($10)\r\n"
+ "gssdrc1 $f6, 8($10)\r\n"
+ "mov.s $f4, $f8\r\n"
+ "mov.s $f6, $f10\r\n"
+ "subu $9, $9, 4\r\n"
+ "daddu $10, $10, 16\r\n"
+
+ "2: \r\n"
+ "li $8, 2\r\n" /* st8 */
+ "bltu $9, $8, 3f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, 0($10)\r\n"
+ "mov.s $f4, $f6\r\n"
+ "subu $9, $9, 2\r\n"
+ "daddu $10, $10, 8\r\n"
+
+ "3: \r\n"
+ "li $8, 1\r\n" /* st4 */
+ "bltu $9, $8, 4f\r\n"
+ "nop \r\n"
+ "gsswlc1 $f4, 3($10)\r\n"
+ "gsswrc1 $f4, 0($10)\r\n"
+
+ "4: \r\n"
+ "li %1, 0\r\n" /* end */
+ : "=m" (*outptr), "=r" (col)
+ : "f" (mmA), "f" (mmB), "f" (mmC), "f" (mmD), "f" (mmE), "f" (mmF),
+ "f" (mmG), "f" (mmH), "r" (col), "r" (outptr)
+ : "$f4", "$f6", "$f8", "$f10", "$8", "$9", "$10", "memory"
+ );
+ }
+
+#endif
+
+ }
+
+ if (!((output_width >> 1) & 7)) {
+ if (output_width & 1) {
+ cb = _mm_load_si32((__m32 *)inptr1);
+ cr = _mm_load_si32((__m32 *)inptr2);
+ y = _mm_load_si32((__m32 *)inptr0);
+
+ decenter = 0.0;
+ decenter = _mm_cmpeq_pi16(decenter, decenter);
+ decenter = _mm_slli_pi16(decenter, 7); /* {0xFF80 0xFF80 0xFF80 0xFF80} */
+
+ cbl = _mm_unpacklo_pi8(cb, zero); /* Cb(0123) */
+ crl = _mm_unpacklo_pi8(cr, zero); /* Cr(0123) */
+ cbl = _mm_add_pi16(cbl, decenter);
+ crl = _mm_add_pi16(crl, decenter);
+
+ cbl2 = _mm_add_pi16(cbl, cbl); /* 2*CbL */
+ crl2 = _mm_add_pi16(crl, crl); /* 2*CrL */
+ bl = _mm_mulhi_pi16(cbl2, PW_MF0228); /* (2*CbL * -FIX(0.22800) */
+ rl = _mm_mulhi_pi16(crl2, PW_F0402); /* (2*CrL * FIX(0.40200)) */
+
+ bl = _mm_add_pi16(bl, PW_ONE);
+ bl = _mm_srai_pi16(bl, 1); /* (CbL * -FIX(0.22800)) */
+ rl = _mm_add_pi16(rl, PW_ONE);
+ rl = _mm_srai_pi16(rl, 1); /* (CrL * FIX(0.40200)) */
+
+ bl = _mm_add_pi16(bl, cbl);
+ bl = _mm_add_pi16(bl, cbl); /* (CbL * FIX(1.77200))=(B-Y)L */
+ rl = _mm_add_pi16(rl, crl); /* (CrL * FIX(1.40200))=(R-Y)L */
+
+ gl = _mm_unpacklo_pi16(cbl, crl);
+ gl = _mm_madd_pi16(gl, PW_MF0344_F0285);
+ gl = _mm_add_pi32(gl, PD_ONEHALF);
+ gl = _mm_srai_pi32(gl, SCALEBITS);
+ gl = _mm_packs_pi32(gl, zero); /* CbL*-FIX(0.344)+CrL*FIX(0.285) */
+ gl = _mm_sub_pi16(gl, crl); /* CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L */
+
+ yl = _mm_unpacklo_pi8(y, zero); /* Y(0123) */
+ rl = _mm_add_pi16(rl, yl); /* (R0 R1 R2 R3) */
+ gl = _mm_add_pi16(gl, yl); /* (G0 G1 G2 G3) */
+ bl = _mm_add_pi16(bl, yl); /* (B0 B1 B2 B3) */
+ re = _mm_packs_pu16(rl, rl);
+ ge = _mm_packs_pu16(gl, gl);
+ be = _mm_packs_pu16(bl, bl);
+#if RGB_PIXELSIZE == 3
+ mmA = _mm_unpacklo_pi8(mmA, mmC);
+ mmA = _mm_unpacklo_pi16(mmA, mmE);
+ asm(".set noreorder\r\n"
+
+ "move $8, %2\r\n"
+ "mov.s $f4, %1\r\n"
+ "mfc1 $9, $f4\r\n"
+ "ush $9, 0($8)\r\n"
+ "srl $9, 16\r\n"
+ "sb $9, 2($8)\r\n"
+ : "=m" (*outptr)
+ : "f" (mmA), "r" (outptr)
+ : "$f4", "$8", "$9", "memory"
+ );
+#else /* RGB_PIXELSIZE == 4 */
+
+#ifdef RGBX_FILLER_0XFF
+ xe = _mm_cmpeq_pi8(xe, xe);
+#else
+ xe = _mm_xor_si64(xe, xe);
+#endif
+ mmA = _mm_unpacklo_pi8(mmA, mmC);
+ mmE = _mm_unpacklo_pi8(mmE, mmG);
+ mmA = _mm_unpacklo_pi16(mmA, mmE);
+ asm(".set noreorder\r\n"
+
+ "move $8, %2\r\n"
+ "mov.s $f4, %1\r\n"
+ "gsswlc1 $f4, 3($8)\r\n"
+ "gsswrc1 $f4, 0($8)\r\n"
+ : "=m" (*outptr)
+ : "f" (mmA), "r" (outptr)
+ : "$f4", "$8", "memory"
+ );
+#endif
+ }
+ }
+}
+
+
+void jsimd_h2v2_merged_upsample_mmi(JDIMENSION output_width,
+ JSAMPIMAGE input_buf,
+ JDIMENSION in_row_group_ctr,
+ JSAMPARRAY output_buf)
+{
+ JSAMPROW inptr, outptr;
+
+ inptr = input_buf[0][in_row_group_ctr];
+ outptr = output_buf[0];
+
+ input_buf[0][in_row_group_ctr] = input_buf[0][in_row_group_ctr * 2];
+ jsimd_h2v1_merged_upsample_mmi(output_width, input_buf, in_row_group_ctr,
+ output_buf);
+
+ input_buf[0][in_row_group_ctr] = input_buf[0][in_row_group_ctr * 2 + 1];
+ output_buf[0] = output_buf[1];
+ jsimd_h2v1_merged_upsample_mmi(output_width, input_buf, in_row_group_ctr,
+ output_buf);
+
+ input_buf[0][in_row_group_ctr] = inptr;
+ output_buf[0] = outptr;
+}
+
+
+#undef mmA
+#undef mmB
+#undef mmC
+#undef mmD
+#undef mmE
+#undef mmF
+#undef mmG
+#undef mmH
projects / libjpeg-turbo / commitdiff