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Diffstat (limited to 'libavcodec/mips/idctdsp_mmi.c')
-rw-r--r--libavcodec/mips/idctdsp_mmi.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/libavcodec/mips/idctdsp_mmi.c b/libavcodec/mips/idctdsp_mmi.c
new file mode 100644
index 0000000000..24beb62df5
--- /dev/null
+++ b/libavcodec/mips/idctdsp_mmi.c
@@ -0,0 +1,208 @@
+/*
+ * Loongson SIMD optimized idctdsp
+ *
+ * Copyright (c) 2015 Loongson Technology Corporation Limited
+ * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "idctdsp_mips.h"
+#include "constants.h"
+#include "libavutil/mips/asmdefs.h"
+
+void ff_put_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ double ftmp[8];
+ mips_reg addr[1];
+
+ __asm__ volatile (
+ "ldc1 %[ftmp0], 0x00(%[block]) \n\t"
+ "ldc1 %[ftmp1], 0x08(%[block]) \n\t"
+ "ldc1 %[ftmp2], 0x10(%[block]) \n\t"
+ "ldc1 %[ftmp3], 0x18(%[block]) \n\t"
+ "ldc1 %[ftmp4], 0x20(%[block]) \n\t"
+ "ldc1 %[ftmp5], 0x28(%[block]) \n\t"
+ "ldc1 %[ftmp6], 0x30(%[block]) \n\t"
+ "ldc1 %[ftmp7], 0x38(%[block]) \n\t"
+ PTR_ADDU "%[addr0], %[pixels], %[line_size] \n\t"
+ "packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
+ "packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
+ "packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
+ "packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
+ "sdc1 %[ftmp0], 0x00(%[pixels]) \n\t"
+ "sdc1 %[ftmp2], 0x00(%[addr0]) \n\t"
+ "gssdxc1 %[ftmp4], 0x00(%[addr0], %[line_size]) \n\t"
+ "gssdxc1 %[ftmp6], 0x00(%[pixels], %[line_sizex3]) \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ [addr0]"=&r"(addr[0]),
+ [pixels]"+&r"(pixels)
+ : [line_size]"r"((mips_reg)line_size),
+ [line_sizex3]"r"((mips_reg)(line_size*3)),
+ [block]"r"(block)
+ : "memory"
+ );
+
+ pixels += line_size*4;
+ block += 32;
+
+ __asm__ volatile (
+ "ldc1 %[ftmp0], 0x00(%[block]) \n\t"
+ "ldc1 %[ftmp1], 0x08(%[block]) \n\t"
+ "ldc1 %[ftmp2], 0x10(%[block]) \n\t"
+ "ldc1 %[ftmp3], 0x18(%[block]) \n\t"
+ "ldc1 %[ftmp4], 0x20(%[block]) \n\t"
+ "ldc1 %[ftmp5], 0x28(%[block]) \n\t"
+ "ldc1 %[ftmp6], 0x30(%[block]) \n\t"
+ "ldc1 %[ftmp7], 0x38(%[block]) \n\t"
+ PTR_ADDU "%[addr0], %[pixels], %[line_size] \n\t"
+ "packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
+ "packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
+ "packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
+ "packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
+ "sdc1 %[ftmp0], 0x00(%[pixels]) \n\t"
+ "sdc1 %[ftmp2], 0x00(%[addr0]) \n\t"
+ "gssdxc1 %[ftmp4], 0x00(%[addr0], %[line_size]) \n\t"
+ "gssdxc1 %[ftmp6], 0x00(%[pixels], %[line_sizex3]) \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ [addr0]"=&r"(addr[0]),
+ [pixels]"+&r"(pixels)
+ : [line_size]"r"((mips_reg)line_size),
+ [line_sizex3]"r"((mips_reg)(line_size*3)),
+ [block]"r"(block)
+ : "memory"
+ );
+}
+
+void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ int64_t line_skip = line_size;
+ int64_t line_skip3 = 0;
+ double ftmp[5];
+ mips_reg addr[1];
+
+ __asm__ volatile (
+ PTR_ADDU "%[line_skip3], %[line_skip], %[line_skip] \n\t"
+ "ldc1 %[ftmp1], 0x00(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x08(%[block]) \n\t"
+ "packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "ldc1 %[ftmp2], 0x10(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x18(%[block]) \n\t"
+ "packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "ldc1 %[ftmp3], 0x20(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x28(%[block]) \n\t"
+ "packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "ldc1 %[ftmp4], 48(%[block]) \n\t"
+ "ldc1 %[ftmp0], 56(%[block]) \n\t"
+ "packsshb %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
+ "paddb %[ftmp1], %[ftmp1], %[ff_pb_80] \n\t"
+ "paddb %[ftmp2], %[ftmp2], %[ff_pb_80] \n\t"
+ "paddb %[ftmp3], %[ftmp3], %[ff_pb_80] \n\t"
+ "paddb %[ftmp4], %[ftmp4], %[ff_pb_80] \n\t"
+ "sdc1 %[ftmp1], 0x00(%[pixels]) \n\t"
+ "gssdxc1 %[ftmp2], 0x00(%[pixels], %[line_skip]) \n\t"
+ "gssdxc1 %[ftmp3], 0x00(%[pixels], %[line_skip3]) \n\t"
+ PTR_ADDU "%[line_skip3], %[line_skip3], %[line_skip] \n\t"
+ "gssdxc1 %[ftmp4], 0x00(%[pixels], %[line_skip3]) \n\t"
+ PTR_ADDU "%[addr0], %[line_skip3], %[line_skip] \n\t"
+ PTR_ADDU "%[pixels], %[pixels], %[addr0] \n\t"
+ "ldc1 %[ftmp1], 0x40(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x48(%[block]) \n\t"
+ "packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "ldc1 %[ftmp2], 0x50(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x58(%[block]) \n\t"
+ "packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "ldc1 %[ftmp3], 0x60(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x68(%[block]) \n\t"
+ "packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "ldc1 %[ftmp4], 0x70(%[block]) \n\t"
+ "ldc1 %[ftmp0], 0x78(%[block]) \n\t"
+ "packsshb %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
+ "paddb %[ftmp1], %[ftmp1], %[ff_pb_80] \n\t"
+ "paddb %[ftmp2], %[ftmp2], %[ff_pb_80] \n\t"
+ "paddb %[ftmp3], %[ftmp3], %[ff_pb_80] \n\t"
+ "paddb %[ftmp4], %[ftmp4], %[ff_pb_80] \n\t"
+ "sdc1 %[ftmp1], 0x00(%[pixels]) \n\t"
+ "gssdxc1 %[ftmp2], 0x00(%[pixels], %[line_skip]) \n\t"
+ PTR_ADDU "%[addr0], %[line_skip], %[line_skip] \n\t"
+ "gssdxc1 %[ftmp3], 0x00(%[pixels], %[addr0]) \n\t"
+ "gssdxc1 %[ftmp4], 0x00(%[pixels], %[line_skip3]) \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]),
+ [addr0]"=&r"(addr[0]),
+ [pixels]"+&r"(pixels), [line_skip3]"+&r"(line_skip3)
+ : [block]"r"(block),
+ [line_skip]"r"((mips_reg)line_skip),
+ [ff_pb_80]"f"(ff_pb_80)
+ : "memory"
+ );
+}
+
+void ff_add_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ double ftmp[8];
+ uint64_t tmp[1];
+
+ __asm__ volatile (
+ "li %[tmp0], 0x04 \n\t"
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "1: \n\t"
+ "ldc1 %[ftmp1], 0x00(%[block]) \n\t"
+ "ldc1 %[ftmp2], 0x08(%[block]) \n\t"
+ "ldc1 %[ftmp3], 0x10(%[block]) \n\t"
+ "ldc1 %[ftmp4], 0x18(%[block]) \n\t"
+ "ldc1 %[ftmp5], 0x00(%[pixels]) \n\t"
+ "gsldxc1 %[ftmp6], 0x00(%[pixels], %[line_size]) \n\t"
+ "mov.d %[ftmp7], %[ftmp5] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
+ "paddh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
+ "paddh %[ftmp2], %[ftmp2], %[ftmp7] \n\t"
+ "mov.d %[ftmp7], %[ftmp6] \n\t"
+ "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
+ "paddh %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
+ "paddh %[ftmp4], %[ftmp4], %[ftmp7] \n\t"
+ "packushb %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "packushb %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ "sdc1 %[ftmp1], 0x00(%[pixels]) \n\t"
+ "gssdxc1 %[ftmp3], 0x00(%[pixels], %[line_size]) \n\t"
+ "addi %[tmp0], %[tmp0], -0x01 \n\t"
+ PTR_ADDIU "%[block], %[block], 0x20 \n\t"
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ "bnez %[tmp0], 1b"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ [tmp0]"=&r"(tmp[0]),
+ [pixels]"+&r"(pixels), [block]"+&r"(block)
+ : [line_size]"r"((mips_reg)line_size)
+ : "memory"
+ );
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-16 10:55:25 +0000