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-rw-r--r--libavcodec/mips/pixblockdsp_mmi.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/libavcodec/mips/pixblockdsp_mmi.c b/libavcodec/mips/pixblockdsp_mmi.c
new file mode 100644
index 0000000..a915a3c
--- /dev/null
+++ b/libavcodec/mips/pixblockdsp_mmi.c
@@ -0,0 +1,135 @@
+/*
+ * Loongson SIMD optimized pixblockdsp
+ *
+ * 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 "pixblockdsp_mips.h"
+#include "libavutil/mips/asmdefs.h"
+#include "libavutil/mips/mmiutils.h"
+
+void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels,
+ ptrdiff_t stride)
+{
+ double ftmp[7];
+ DECLARE_VAR_ALL64;
+ DECLARE_VAR_ADDRT;
+
+ __asm__ volatile (
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+
+ MMI_LDC1(%[ftmp1], %[pixels], 0x00)
+ MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
+ "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
+ MMI_SDC1(%[ftmp3], %[block], 0x00)
+ MMI_SDC1(%[ftmp4], %[block], 0x08)
+ MMI_SDC1(%[ftmp5], %[block], 0x10)
+ MMI_SDC1(%[ftmp6], %[block], 0x18)
+ PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t"
+
+ MMI_LDC1(%[ftmp1], %[pixels], 0x00)
+ MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
+ "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
+ MMI_SDC1(%[ftmp3], %[block], 0x20)
+ MMI_SDC1(%[ftmp4], %[block], 0x28)
+ MMI_SDC1(%[ftmp5], %[block], 0x30)
+ MMI_SDC1(%[ftmp6], %[block], 0x38)
+ PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t"
+
+ MMI_LDC1(%[ftmp1], %[pixels], 0x00)
+ MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
+ "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
+ MMI_SDC1(%[ftmp3], %[block], 0x40)
+ MMI_SDC1(%[ftmp4], %[block], 0x48)
+ MMI_SDC1(%[ftmp5], %[block], 0x50)
+ MMI_SDC1(%[ftmp6], %[block], 0x58)
+ PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t"
+
+ MMI_LDC1(%[ftmp1], %[pixels], 0x00)
+ MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00)
+ "punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t"
+ MMI_SDC1(%[ftmp3], %[block], 0x60)
+ MMI_SDC1(%[ftmp4], %[block], 0x68)
+ MMI_SDC1(%[ftmp5], %[block], 0x70)
+ MMI_SDC1(%[ftmp6], %[block], 0x78)
+ : [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]),
+ RESTRICT_ASM_ALL64
+ RESTRICT_ASM_ADDRT
+ [pixels]"+&r"(pixels)
+ : [block]"r"((mips_reg)block), [stride]"r"((mips_reg)stride),
+ [stride_x2]"r"((mips_reg)(stride<<1))
+ : "memory"
+ );
+}
+
+void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1,
+ const uint8_t *src2, ptrdiff_t stride)
+{
+ double ftmp[5];
+ mips_reg tmp[1];
+ DECLARE_VAR_ALL64;
+
+ __asm__ volatile (
+ "li %[tmp0], 0x08 \n\t"
+ "xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t"
+ "1: \n\t"
+ MMI_LDC1(%[ftmp0], %[src1], 0x00)
+ "or %[ftmp1], %[ftmp0], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp2], %[src2], 0x00)
+ "or %[ftmp3], %[ftmp2], %[ftmp2] \n\t"
+ "punpcklbh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
+ "punpckhbh %[ftmp1], %[ftmp1], %[ftmp4] \n\t"
+ "punpcklbh %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ "punpckhbh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ "psubh %[ftmp0], %[ftmp0], %[ftmp2] \n\t"
+ "psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ MMI_SDC1(%[ftmp0], %[block], 0x00)
+ MMI_SDC1(%[ftmp1], %[block], 0x08)
+ PTR_ADDI "%[tmp0], %[tmp0], -0x01 \n\t"
+ PTR_ADDIU "%[block], %[block], 0x10 \n\t"
+ PTR_ADDU "%[src1], %[src1], %[stride] \n\t"
+ PTR_ADDU "%[src2], %[src2], %[stride] \n\t"
+ "bgtz %[tmp0], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]),
+ [tmp0]"=&r"(tmp[0]),
+ RESTRICT_ASM_ALL64
+ [block]"+&r"(block), [src1]"+&r"(src1),
+ [src2]"+&r"(src2)
+ : [stride]"r"((mips_reg)stride)
+ : "memory"
+ );
+}
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