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Diffstat (limited to 'libavcodec/mips/idctdsp_mmi.c')
-rw-r--r--libavcodec/mips/idctdsp_mmi.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/libavcodec/mips/idctdsp_mmi.c b/libavcodec/mips/idctdsp_mmi.c
new file mode 100644
index 0000000000..a96dac4704
--- /dev/null
+++ b/libavcodec/mips/idctdsp_mmi.c
@@ -0,0 +1,193 @@
+/*
+ * 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/mmiutils.h"
+
+void ff_put_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ double ftmp[8];
+
+ __asm__ volatile (
+ MMI_LDC1(%[ftmp0], %[block], 0x00)
+ MMI_LDC1(%[ftmp1], %[block], 0x08)
+ MMI_LDC1(%[ftmp2], %[block], 0x10)
+ MMI_LDC1(%[ftmp3], %[block], 0x18)
+ MMI_LDC1(%[ftmp4], %[block], 0x20)
+ MMI_LDC1(%[ftmp5], %[block], 0x28)
+ MMI_LDC1(%[ftmp6], %[block], 0x30)
+ MMI_LDC1(%[ftmp7], %[block], 0x38)
+ "packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
+ "packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
+ "packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
+ "packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
+ MMI_SDC1(%[ftmp0], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp2], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp4], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp6], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+
+ MMI_LDC1(%[ftmp0], %[block], 0x40)
+ MMI_LDC1(%[ftmp1], %[block], 0x48)
+ MMI_LDC1(%[ftmp2], %[block], 0x50)
+ MMI_LDC1(%[ftmp3], %[block], 0x58)
+ MMI_LDC1(%[ftmp4], %[block], 0x60)
+ MMI_LDC1(%[ftmp5], %[block], 0x68)
+ MMI_LDC1(%[ftmp6], %[block], 0x70)
+ MMI_LDC1(%[ftmp7], %[block], 0x78)
+ "packushb %[ftmp0], %[ftmp0], %[ftmp1] \n\t"
+ "packushb %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
+ "packushb %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
+ "packushb %[ftmp6], %[ftmp6], %[ftmp7] \n\t"
+ MMI_SDC1(%[ftmp0], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp2], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp4], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp6], %[pixels], 0x00)
+ : [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]),
+ [pixels]"+&r"(pixels)
+ : [line_size]"r"((mips_reg)line_size),
+ [block]"r"(block)
+ : "memory"
+ );
+}
+
+void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
+ uint8_t *av_restrict pixels, ptrdiff_t line_size)
+{
+ double ftmp[5];
+
+ __asm__ volatile (
+ MMI_LDC1(%[ftmp1], %[block], 0x00)
+ MMI_LDC1(%[ftmp0], %[block], 0x08)
+ "packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp2], %[block], 0x10)
+ MMI_LDC1(%[ftmp0], %[block], 0x18)
+ "packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp3], %[block], 0x20)
+ MMI_LDC1(%[ftmp0], %[block], 0x28)
+ "packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp4], %[block], 0x30)
+ MMI_LDC1(%[ftmp0], %[block], 0x38)
+ "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"
+ MMI_SDC1(%[ftmp1], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp2], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp3], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp4], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+
+ MMI_LDC1(%[ftmp1], %[block], 0x40)
+ MMI_LDC1(%[ftmp0], %[block], 0x48)
+ "packsshb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp2], %[block], 0x50)
+ MMI_LDC1(%[ftmp0], %[block], 0x58)
+ "packsshb %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp3], %[block], 0x60)
+ MMI_LDC1(%[ftmp0], %[block], 0x68)
+ "packsshb %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp4], %[block], 0x70)
+ MMI_LDC1(%[ftmp0], %[block], 0x78)
+ "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"
+ MMI_SDC1(%[ftmp1], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp2], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp3], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp4], %[pixels], 0x00)
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]),
+ [pixels]"+&r"(pixels)
+ : [block]"r"(block),
+ [line_size]"r"((mips_reg)line_size),
+ [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[9];
+ uint64_t tmp[1];
+ __asm__ volatile (
+ "li %[tmp0], 0x04 \n\t"
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "1: \n\t"
+ MMI_LDC1(%[ftmp5], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_LDC1(%[ftmp6], %[pixels], 0x00)
+ PTR_SUBU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_LDC1(%[ftmp1], %[block], 0x00)
+ MMI_LDC1(%[ftmp2], %[block], 0x08)
+ MMI_LDC1(%[ftmp3], %[block], 0x10)
+ MMI_LDC1(%[ftmp4], %[block], 0x18)
+ PTR_ADDIU "%[block], %[block], 0x20 \n\t"
+ "punpckhbh %[ftmp7], %[ftmp5], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp8], %[ftmp6], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
+ "paddh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
+ "paddh %[ftmp2], %[ftmp2], %[ftmp7] \n\t"
+ "paddh %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
+ "paddh %[ftmp4], %[ftmp4], %[ftmp8] \n\t"
+ "packushb %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "packushb %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ MMI_SDC1(%[ftmp1], %[pixels], 0x00)
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ MMI_SDC1(%[ftmp3], %[pixels], 0x00)
+ "addi %[tmp0], %[tmp0], -0x01 \n\t"
+ PTR_ADDU "%[pixels], %[pixels], %[line_size] \n\t"
+ "bnez %[tmp0], 1b \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]),
+ [ftmp8]"=&f"(ftmp[8]), [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 2024-07-14 18:13:35 +0000