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-rw-r--r--media/libjpeg/simd/mips64/jdcolext-mmi.c415
1 files changed, 415 insertions, 0 deletions
diff --git a/media/libjpeg/simd/mips64/jdcolext-mmi.c b/media/libjpeg/simd/mips64/jdcolext-mmi.c
new file mode 100644
index 0000000000..3b5b2f2030
--- /dev/null
+++ b/media/libjpeg/simd/mips64/jdcolext-mmi.c
@@ -0,0 +1,415 @@
+/*
+ * 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: ZhuChen <zhuchen@loongson.cn>
+ * SunZhangzhi <sunzhangzhi-cq@loongson.cn>
+ * CaiWanwei <caiwanwei@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 jdcolor-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_ycc_rgb_convert_mmi(JDIMENSION out_width, JSAMPIMAGE input_buf,
+ JDIMENSION input_row, JSAMPARRAY output_buf,
+ int num_rows)
+{
+ JSAMPROW outptr, inptr0, inptr1, inptr2;
+ int num_cols, col;
+ __m64 ye, yo, y, cbe, cbe2, cbo, cbo2, cb, cre, cre2, cro, cro2, cr;
+ __m64 re, ro, gle, ghe, ge, glo, gho, go, be, bo, xe = 0.0, xo = 0.0;
+ __m64 decenter, mask;
+
+ while (--num_rows >= 0) {
+ inptr0 = input_buf[0][input_row];
+ inptr1 = input_buf[1][input_row];
+ inptr2 = input_buf[2][input_row];
+ input_row++;
+ outptr = *output_buf++;
+
+ for (num_cols = out_width; num_cols > 0; num_cols -= 8,
+ inptr0 += 8, inptr1 += 8, inptr2 += 8) {
+
+ cb = _mm_load_si64((__m64 *)inptr1);
+ cr = _mm_load_si64((__m64 *)inptr2);
+ y = _mm_load_si64((__m64 *)inptr0);
+
+ 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} */
+
+ cbe = _mm_and_si64(mask, cb); /* Cb(0246) */
+ cbo = _mm_srli_pi16(cb, BYTE_BIT); /* Cb(1357) */
+ cre = _mm_and_si64(mask, cr); /* Cr(0246) */
+ cro = _mm_srli_pi16(cr, BYTE_BIT); /* Cr(1357) */
+ cbe = _mm_add_pi16(cbe, decenter);
+ cbo = _mm_add_pi16(cbo, decenter);
+ cre = _mm_add_pi16(cre, decenter);
+ cro = _mm_add_pi16(cro, 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
+ */
+
+ cbe2 = _mm_add_pi16(cbe, cbe); /* 2*CbE */
+ cbo2 = _mm_add_pi16(cbo, cbo); /* 2*CbO */
+ cre2 = _mm_add_pi16(cre, cre); /* 2*CrE */
+ cro2 = _mm_add_pi16(cro, cro); /* 2*CrO */
+
+ be = _mm_mulhi_pi16(cbe2, PW_MF0228); /* (2*CbE * -FIX(0.22800) */
+ bo = _mm_mulhi_pi16(cbo2, PW_MF0228); /* (2*CbO * -FIX(0.22800) */
+ re = _mm_mulhi_pi16(cre2, PW_F0402); /* (2*CrE * FIX(0.40200)) */
+ ro = _mm_mulhi_pi16(cro2, PW_F0402); /* (2*CrO * FIX(0.40200)) */
+
+ be = _mm_add_pi16(be, PW_ONE);
+ bo = _mm_add_pi16(bo, PW_ONE);
+ be = _mm_srai_pi16(be, 1); /* (CbE * -FIX(0.22800)) */
+ bo = _mm_srai_pi16(bo, 1); /* (CbO * -FIX(0.22800)) */
+ re = _mm_add_pi16(re, PW_ONE);
+ ro = _mm_add_pi16(ro, PW_ONE);
+ re = _mm_srai_pi16(re, 1); /* (CrE * FIX(0.40200)) */
+ ro = _mm_srai_pi16(ro, 1); /* (CrO * FIX(0.40200)) */
+
+ be = _mm_add_pi16(be, cbe);
+ bo = _mm_add_pi16(bo, cbo);
+ be = _mm_add_pi16(be, cbe); /* (CbE * FIX(1.77200))=(B-Y)E */
+ bo = _mm_add_pi16(bo, cbo); /* (CbO * FIX(1.77200))=(B-Y)O */
+ re = _mm_add_pi16(re, cre); /* (CrE * FIX(1.40200))=(R-Y)E */
+ ro = _mm_add_pi16(ro, cro); /* (CrO * FIX(1.40200))=(R-Y)O */
+
+ gle = _mm_unpacklo_pi16(cbe, cre);
+ ghe = _mm_unpackhi_pi16(cbe, cre);
+ gle = _mm_madd_pi16(gle, PW_MF0344_F0285);
+ ghe = _mm_madd_pi16(ghe, PW_MF0344_F0285);
+ glo = _mm_unpacklo_pi16(cbo, cro);
+ gho = _mm_unpackhi_pi16(cbo, cro);
+ glo = _mm_madd_pi16(glo, PW_MF0344_F0285);
+ gho = _mm_madd_pi16(gho, PW_MF0344_F0285);
+
+ gle = _mm_add_pi32(gle, PD_ONEHALF);
+ ghe = _mm_add_pi32(ghe, PD_ONEHALF);
+ gle = _mm_srai_pi32(gle, SCALEBITS);
+ ghe = _mm_srai_pi32(ghe, SCALEBITS);
+ glo = _mm_add_pi32(glo, PD_ONEHALF);
+ gho = _mm_add_pi32(gho, PD_ONEHALF);
+ glo = _mm_srai_pi32(glo, SCALEBITS);
+ gho = _mm_srai_pi32(gho, SCALEBITS);
+
+ ge = _mm_packs_pi32(gle, ghe); /* CbE*-FIX(0.344)+CrE*FIX(0.285) */
+ go = _mm_packs_pi32(glo, gho); /* CbO*-FIX(0.344)+CrO*FIX(0.285) */
+ ge = _mm_sub_pi16(ge, cre); /* CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E */
+ go = _mm_sub_pi16(go, cro); /* CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O */
+
+ ye = _mm_and_si64(mask, y); /* Y(0246) */
+ yo = _mm_srli_pi16(y, BYTE_BIT); /* Y(1357) */
+
+ re = _mm_add_pi16(re, ye); /* ((R-Y)E+YE)=(R0 R2 R4 R6) */
+ ro = _mm_add_pi16(ro, yo); /* ((R-Y)O+YO)=(R1 R3 R5 R7) */
+ re = _mm_packs_pu16(re, re); /* (R0 R2 R4 R6 ** ** ** **) */
+ ro = _mm_packs_pu16(ro, ro); /* (R1 R3 R5 R7 ** ** ** **) */
+
+ ge = _mm_add_pi16(ge, ye); /* ((G-Y)E+YE)=(G0 G2 G4 G6) */
+ go = _mm_add_pi16(go, yo); /* ((G-Y)O+YO)=(G1 G3 G5 G7) */
+ ge = _mm_packs_pu16(ge, ge); /* (G0 G2 G4 G6 ** ** ** **) */
+ go = _mm_packs_pu16(go, go); /* (G1 G3 G5 G7 ** ** ** **) */
+
+ be = _mm_add_pi16(be, ye); /* (YE+(B-Y)E)=(B0 B2 B4 B6) */
+ bo = _mm_add_pi16(bo, yo); /* (YO+(B-Y)O)=(B1 B3 B5 B7) */
+ be = _mm_packs_pu16(be, be); /* (B0 B2 B4 B6 ** ** ** **) */
+ bo = _mm_packs_pu16(bo, bo); /* (B1 B3 B5 B7 ** ** ** **) */
+
+#if RGB_PIXELSIZE == 3
+
+ /* mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) */
+ /* mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) */
+ mmA = _mm_unpacklo_pi8(mmA, mmC); /* (00 10 02 12 04 14 06 16) */
+ mmE = _mm_unpacklo_pi8(mmE, mmB); /* (20 01 22 03 24 05 26 07) */
+ mmD = _mm_unpacklo_pi8(mmD, mmF); /* (11 21 13 23 15 25 17 27) */
+
+ mmH = _mm_srli_si64(mmA, 2 * BYTE_BIT);
+
+ mmG = _mm_unpackhi_pi16(mmA, mmE); /* (04 14 24 05 06 16 26 07) */
+ mmA = _mm_unpacklo_pi16(mmA, mmE); /* (00 10 20 01 02 12 22 03) */
+
+ mmE = _mm_srli_si64(mmE, 2 * BYTE_BIT);
+ mmB = _mm_srli_si64(mmD, 2 * BYTE_BIT); /* (13 23 15 25 17 27 -- --) */
+
+ mmC = _mm_unpackhi_pi16(mmD, mmH); /* (15 25 06 16 17 27 -- --) */
+ mmD = _mm_unpacklo_pi16(mmD, mmH); /* (11 21 02 12 13 23 04 14) */
+
+ mmF = _mm_unpackhi_pi16(mmE, mmB); /* (26 07 17 27 -- -- -- --) */
+ mmE = _mm_unpacklo_pi16(mmE, mmB); /* (22 03 13 23 24 05 15 25) */
+
+ mmA = _mm_unpacklo_pi32(mmA, mmD); /* (00 10 20 01 11 21 02 12) */
+ mmE = _mm_unpacklo_pi32(mmE, mmG); /* (22 03 13 23 04 14 24 05) */
+ mmC = _mm_unpacklo_pi32(mmC, mmF); /* (15 25 06 16 26 07 17 27) */
+
+ if (num_cols >= 8) {
+ if (!(((long)outptr) & 7)) {
+ _mm_store_si64((__m64 *)outptr, mmA);
+ _mm_store_si64((__m64 *)(outptr + 8), mmE);
+ _mm_store_si64((__m64 *)(outptr + 16), mmC);
+ } else {
+ _mm_storeu_si64((__m64 *)outptr, mmA);
+ _mm_storeu_si64((__m64 *)(outptr + 8), mmE);
+ _mm_storeu_si64((__m64 *)(outptr + 16), mmC);
+ }
+ outptr += RGB_PIXELSIZE * 8;
+ } else {
+ col = num_cols * 3;
+ asm(".set noreorder\r\n"
+
+ "li $8, 16\r\n"
+ "move $9, %4\r\n"
+ "mov.s $f4, %1\r\n"
+ "mov.s $f6, %3\r\n"
+ "move $10, %5\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"
+ "mov.s $f4, %2\r\n"
+ "subu $9, $9, 16\r\n"
+ PTR_ADDU "$10, $10, 16\r\n"
+ "b 2f\r\n"
+ "nop \r\n"
+
+ "1: \r\n"
+ "li $8, 8\r\n" /* st8 */
+ "bltu $9, $8, 2f\r\n"
+ "nop \r\n"
+ "gssdlc1 $f4, 7($10)\r\n"
+ "gssdrc1 $f4, 0($10)\r\n"
+ "mov.s $f4, %3\r\n"
+ "subu $9, $9, 8\r\n"
+ PTR_ADDU "$10, $10, 8\r\n"
+
+ "2: \r\n"
+ "li $8, 4\r\n" /* st4 */
+ "mfc1 $11, $f4\r\n"
+ "bltu $9, $8, 3f\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"
+ PTR_ADDU "$10, $10, 4\r\n"
+
+ "3: \r\n"
+ "li $8, 2\r\n" /* st2 */
+ "bltu $9, $8, 4f\r\n"
+ "nop \r\n"
+ "ush $11, 0($10)\r\n"
+ "srl $11, 16\r\n"
+ "subu $9, $9, 2\r\n"
+ PTR_ADDU "$10, $10, 2\r\n"
+
+ "4: \r\n"
+ "li $8, 1\r\n" /* st1 */
+ "bltu $9, $8, 5f\r\n"
+ "nop \r\n"
+ "sb $11, 0($10)\r\n"
+
+ "5: \r\n"
+ "nop \r\n" /* end */
+ : "=m" (*outptr)
+ : "f" (mmA), "f" (mmC), "f" (mmE), "r" (col), "r" (outptr)
+ : "$f4", "$f6", "$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 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) */
+ /* mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) */
+ /* mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) */
+ /* mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **) */
+
+ mmA = _mm_unpacklo_pi8(mmA, mmC); /* (00 10 02 12 04 14 06 16) */
+ mmE = _mm_unpacklo_pi8(mmE, mmG); /* (20 30 22 32 24 34 26 36) */
+ mmB = _mm_unpacklo_pi8(mmB, mmD); /* (01 11 03 13 05 15 07 17) */
+ mmF = _mm_unpacklo_pi8(mmF, mmH); /* (21 31 23 33 25 35 27 37) */
+
+ mmC = _mm_unpackhi_pi16(mmA, mmE); /* (04 14 24 34 06 16 26 36) */
+ mmA = _mm_unpacklo_pi16(mmA, mmE); /* (00 10 20 30 02 12 22 32) */
+ mmG = _mm_unpackhi_pi16(mmB, mmF); /* (05 15 25 35 07 17 27 37) */
+ mmB = _mm_unpacklo_pi16(mmB, mmF); /* (01 11 21 31 03 13 23 33) */
+
+ mmD = _mm_unpackhi_pi32(mmA, mmB); /* (02 12 22 32 03 13 23 33) */
+ mmA = _mm_unpacklo_pi32(mmA, mmB); /* (00 10 20 30 01 11 21 31) */
+ mmH = _mm_unpackhi_pi32(mmC, mmG); /* (06 16 26 36 07 17 27 37) */
+ mmC = _mm_unpacklo_pi32(mmC, mmG); /* (04 14 24 34 05 15 25 35) */
+
+ if (num_cols >= 8) {
+ if (!(((long)outptr) & 7)) {
+ _mm_store_si64((__m64 *)outptr, mmA);
+ _mm_store_si64((__m64 *)(outptr + 8), mmD);
+ _mm_store_si64((__m64 *)(outptr + 16), mmC);
+ _mm_store_si64((__m64 *)(outptr + 24), mmH);
+ } else {
+ _mm_storeu_si64((__m64 *)outptr, mmA);
+ _mm_storeu_si64((__m64 *)(outptr + 8), mmD);
+ _mm_storeu_si64((__m64 *)(outptr + 16), mmC);
+ _mm_storeu_si64((__m64 *)(outptr + 24), mmH);
+ }
+ outptr += RGB_PIXELSIZE * 8;
+ } else {
+ col = num_cols;
+ asm(".set noreorder\r\n" /* st16 */
+
+ "li $8, 4\r\n"
+ "move $9, %6\r\n"
+ "move $10, %7\r\n"
+ "mov.s $f4, %2\r\n"
+ "mov.s $f6, %4\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"
+ "mov.s $f4, %3\r\n"
+ "mov.s $f6, %5\r\n"
+ "subu $9, $9, 4\r\n"
+ PTR_ADDU "$10, $10, 16\r\n"
+
+ "1: \r\n"
+ "li $8, 2\r\n" /* st8 */
+ "bltu $9, $8, 2f\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"
+ PTR_ADDU "$10, $10, 8\r\n"
+
+ "2: \r\n"
+ "li $8, 1\r\n" /* st4 */
+ "bltu $9, $8, 3f\r\n"
+ "nop \r\n"
+ "gsswlc1 $f4, 3($10)\r\n"
+ "gsswrc1 $f4, 0($10)\r\n"
+
+ "3: \r\n"
+ "li %1, 0\r\n" /* end */
+ : "=m" (*outptr), "=r" (col)
+ : "f" (mmA), "f" (mmC), "f" (mmD), "f" (mmH), "r" (col),
+ "r" (outptr)
+ : "$f4", "$f6", "$8", "$9", "$10", "memory"
+ );
+ }
+
+#endif
+
+ }
+ }
+}
+
+#undef mmA
+#undef mmB
+#undef mmC
+#undef mmD
+#undef mmE
+#undef mmF
+#undef mmG
+#undef mmH
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 04:08:29 +0000