ref: b1ef3919b9f039c2536ae7fc69594be33625826a
dir: /vp8/common/mips/mmi/copymem_mmi.c/
/* * Copyright (c) 2017 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include "./vp8_rtcd.h" #include "vpx_ports/asmdefs_mmi.h" #define COPY_MEM_16X2 \ "gsldlc1 %[ftmp0], 0x07(%[src]) \n\t" \ "gsldrc1 %[ftmp0], 0x00(%[src]) \n\t" \ "ldl %[tmp0], 0x0f(%[src]) \n\t" \ "ldr %[tmp0], 0x08(%[src]) \n\t" \ MMI_ADDU(%[src], %[src], %[src_stride]) \ "gssdlc1 %[ftmp0], 0x07(%[dst]) \n\t" \ "gssdrc1 %[ftmp0], 0x00(%[dst]) \n\t" \ "sdl %[tmp0], 0x0f(%[dst]) \n\t" \ "sdr %[tmp0], 0x08(%[dst]) \n\t" \ MMI_ADDU(%[dst], %[dst], %[dst_stride]) \ "gsldlc1 %[ftmp1], 0x07(%[src]) \n\t" \ "gsldrc1 %[ftmp1], 0x00(%[src]) \n\t" \ "ldl %[tmp1], 0x0f(%[src]) \n\t" \ "ldr %[tmp1], 0x08(%[src]) \n\t" \ MMI_ADDU(%[src], %[src], %[src_stride]) \ "gssdlc1 %[ftmp1], 0x07(%[dst]) \n\t" \ "gssdrc1 %[ftmp1], 0x00(%[dst]) \n\t" \ "sdl %[tmp1], 0x0f(%[dst]) \n\t" \ "sdr %[tmp1], 0x08(%[dst]) \n\t" \ MMI_ADDU(%[dst], %[dst], %[dst_stride]) #define COPY_MEM_8X2 \ "gsldlc1 %[ftmp0], 0x07(%[src]) \n\t" \ "gsldrc1 %[ftmp0], 0x00(%[src]) \n\t" \ MMI_ADDU(%[src], %[src], %[src_stride]) \ "ldl %[tmp0], 0x07(%[src]) \n\t" \ "ldr %[tmp0], 0x00(%[src]) \n\t" \ MMI_ADDU(%[src], %[src], %[src_stride]) \ \ "gssdlc1 %[ftmp0], 0x07(%[dst]) \n\t" \ "gssdrc1 %[ftmp0], 0x00(%[dst]) \n\t" \ MMI_ADDU(%[dst], %[dst], %[dst_stride]) \ "sdl %[tmp0], 0x07(%[dst]) \n\t" \ "sdr %[tmp0], 0x00(%[dst]) \n\t" \ MMI_ADDU(%[dst], %[dst], %[dst_stride]) void vp8_copy_mem16x16_mmi(unsigned char *src, int src_stride, unsigned char *dst, int dst_stride) { double ftmp[2]; uint64_t tmp[2]; uint8_t loop_count = 4; /* clang-format off */ __asm__ volatile ( "1: \n\t" COPY_MEM_16X2 COPY_MEM_16X2 MMI_ADDIU(%[loop_count], %[loop_count], -0x01) "bnez %[loop_count], 1b \n\t" : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]), [loop_count]"+&r"(loop_count), [dst]"+&r"(dst), [src]"+&r"(src) : [src_stride]"r"((mips_reg)src_stride), [dst_stride]"r"((mips_reg)dst_stride) : "memory" ); /* clang-format on */ } void vp8_copy_mem8x8_mmi(unsigned char *src, int src_stride, unsigned char *dst, int dst_stride) { double ftmp[2]; uint64_t tmp[1]; uint8_t loop_count = 4; /* clang-format off */ __asm__ volatile ( "1: \n\t" COPY_MEM_8X2 MMI_ADDIU(%[loop_count], %[loop_count], -0x01) "bnez %[loop_count], 1b \n\t" : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), [tmp0]"=&r"(tmp[0]), [loop_count]"+&r"(loop_count), [dst]"+&r"(dst), [src]"+&r"(src) : [src_stride]"r"((mips_reg)src_stride), [dst_stride]"r"((mips_reg)dst_stride) : "memory" ); /* clang-format on */ } void vp8_copy_mem8x4_mmi(unsigned char *src, int src_stride, unsigned char *dst, int dst_stride) { double ftmp[2]; uint64_t tmp[1]; /* clang-format off */ __asm__ volatile ( COPY_MEM_8X2 COPY_MEM_8X2 : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), [tmp0]"=&r"(tmp[0]), [dst]"+&r"(dst), [src]"+&r"(src) : [src_stride]"r"((mips_reg)src_stride), [dst_stride]"r"((mips_reg)dst_stride) : "memory" ); /* clang-format on */ }