ref: 3a1d99b3ef8bf065b3b8f3d8f1b306c340d966ea
dir: /vpx_dsp/mips/subtract_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 "./vpx_dsp_rtcd.h" #include "vpx/vpx_integer.h" #include "vpx_ports/mem.h" #include "vpx_ports/asmdefs_mmi.h" void vpx_subtract_block_mmi(int rows, int cols, int16_t *diff, ptrdiff_t diff_stride, const uint8_t *src, ptrdiff_t src_stride, const uint8_t *pred, ptrdiff_t pred_stride) { double ftmp[13]; uint32_t tmp[1]; if (rows == cols) { switch (rows) { case 4: __asm__ volatile( "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" #if _MIPS_SIM == _ABIO32 "ulw %[tmp0], 0x00(%[src]) \n\t" "mtc1 %[tmp0], %[ftmp1] \n\t" "ulw %[tmp0], 0x00(%[pred]) \n\t" "mtc1 %[tmp0], %[ftmp2] \n\t" #else "gslwlc1 %[ftmp1], 0x03(%[src]) \n\t" "gslwrc1 %[ftmp1], 0x00(%[src]) \n\t" "gslwlc1 %[ftmp2], 0x03(%[pred]) \n\t" "gslwrc1 %[ftmp2], 0x00(%[pred]) \n\t" #endif MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) #if _MIPS_SIM == _ABIO32 "ulw %[tmp0], 0x00(%[src]) \n\t" "mtc1 %[tmp0], %[ftmp3] \n\t" "ulw %[tmp0], 0x00(%[pred]) \n\t" "mtc1 %[tmp0], %[ftmp4] \n\t" #else "gslwlc1 %[ftmp3], 0x03(%[src]) \n\t" "gslwrc1 %[ftmp3], 0x00(%[src]) \n\t" "gslwlc1 %[ftmp4], 0x03(%[pred]) \n\t" "gslwrc1 %[ftmp4], 0x00(%[pred]) \n\t" #endif MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) #if _MIPS_SIM == _ABIO32 "ulw %[tmp0], 0x00(%[src]) \n\t" "mtc1 %[tmp0], %[ftmp5] \n\t" "ulw %[tmp0], 0x00(%[pred]) \n\t" "mtc1 %[tmp0], %[ftmp6] \n\t" #else "gslwlc1 %[ftmp5], 0x03(%[src]) \n\t" "gslwrc1 %[ftmp5], 0x00(%[src]) \n\t" "gslwlc1 %[ftmp6], 0x03(%[pred]) \n\t" "gslwrc1 %[ftmp6], 0x00(%[pred]) \n\t" #endif MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) #if _MIPS_SIM == _ABIO32 "ulw %[tmp0], 0x00(%[src]) \n\t" "mtc1 %[tmp0], %[ftmp7] \n\t" "ulw %[tmp0], 0x00(%[pred]) \n\t" "mtc1 %[tmp0], %[ftmp8] \n\t" #else "gslwlc1 %[ftmp7], 0x03(%[src]) \n\t" "gslwrc1 %[ftmp7], 0x00(%[src]) \n\t" "gslwlc1 %[ftmp8], 0x03(%[pred]) \n\t" "gslwrc1 %[ftmp8], 0x00(%[pred]) \n\t" #endif "punpcklbh %[ftmp9], %[ftmp1], %[ftmp0] \n\t" "punpcklbh %[ftmp10], %[ftmp2], %[ftmp0] \n\t" "psubh %[ftmp11], %[ftmp9], %[ftmp10] \n\t" "gssdlc1 %[ftmp11], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp11], 0x00(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp3], %[ftmp0] \n\t" "punpcklbh %[ftmp10], %[ftmp4], %[ftmp0] \n\t" "psubh %[ftmp11], %[ftmp9], %[ftmp10] \n\t" "gssdlc1 %[ftmp11], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp11], 0x00(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp5], %[ftmp0] \n\t" "punpcklbh %[ftmp10], %[ftmp6], %[ftmp0] \n\t" "psubh %[ftmp11], %[ftmp9], %[ftmp10] \n\t" "gssdlc1 %[ftmp11], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp11], 0x00(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp7], %[ftmp0] \n\t" "punpcklbh %[ftmp10], %[ftmp8], %[ftmp0] \n\t" "psubh %[ftmp11], %[ftmp9], %[ftmp10] \n\t" "gssdlc1 %[ftmp11], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp11], 0x00(%[diff]) \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]), [ftmp9] "=&f"(ftmp[9]), [ftmp10] "=&f"(ftmp[10]), [ftmp11] "=&f"(ftmp[11]), #if _MIPS_SIM == _ABIO32 [tmp0] "=&r"(tmp[0]), #endif [src] "+&r"(src), [pred] "+&r"(pred), [diff] "+&r"(diff) : [src_stride] "r"((mips_reg)src_stride), [pred_stride] "r"((mips_reg)pred_stride), [diff_stride] "r"((mips_reg)(diff_stride * 2)) : "memory"); break; case 8: __asm__ volatile( "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" "li %[tmp0], 0x02 \n\t" "1: \n\t" "gsldlc1 %[ftmp1], 0x07(%[src]) \n\t" "gsldrc1 %[ftmp1], 0x00(%[src]) \n\t" "gsldlc1 %[ftmp2], 0x07(%[pred]) \n\t" "gsldrc1 %[ftmp2], 0x00(%[pred]) \n\t" MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) "gsldlc1 %[ftmp3], 0x07(%[src]) \n\t" "gsldrc1 %[ftmp3], 0x00(%[src]) \n\t" "gsldlc1 %[ftmp4], 0x07(%[pred]) \n\t" "gsldrc1 %[ftmp4], 0x00(%[pred]) \n\t" MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) "gsldlc1 %[ftmp5], 0x07(%[src]) \n\t" "gsldrc1 %[ftmp5], 0x00(%[src]) \n\t" "gsldlc1 %[ftmp6], 0x07(%[pred]) \n\t" "gsldrc1 %[ftmp6], 0x00(%[pred]) \n\t" MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) "gsldlc1 %[ftmp7], 0x07(%[src]) \n\t" "gsldrc1 %[ftmp7], 0x00(%[src]) \n\t" "gsldlc1 %[ftmp8], 0x07(%[pred]) \n\t" "gsldrc1 %[ftmp8], 0x00(%[pred]) \n\t" MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) "punpcklbh %[ftmp9], %[ftmp1], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp1], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp2], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp2], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x00(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x0f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x08(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp3], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp3], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp4], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp4], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x00(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x0f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x08(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp5], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp5], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp6], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp6], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x00(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x0f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x08(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp7], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp7], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp8], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp8], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x00(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x0f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x08(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "addiu %[tmp0], %[tmp0], -0x01 \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]), [ftmp9] "=&f"(ftmp[9]), [ftmp10] "=&f"(ftmp[10]), [ftmp11] "=&f"(ftmp[11]), [ftmp12] "=&f"(ftmp[12]), [tmp0] "=&r"(tmp[0]), [src] "+&r"(src), [pred] "+&r"(pred), [diff] "+&r"(diff) : [pred_stride] "r"((mips_reg)pred_stride), [src_stride] "r"((mips_reg)src_stride), [diff_stride] "r"((mips_reg)(diff_stride * 2)) : "memory"); break; case 16: __asm__ volatile( "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" "li %[tmp0], 0x08 \n\t" "1: \n\t" "gsldlc1 %[ftmp1], 0x07(%[src]) \n\t" "gsldrc1 %[ftmp1], 0x00(%[src]) \n\t" "gsldlc1 %[ftmp2], 0x07(%[pred]) \n\t" "gsldrc1 %[ftmp2], 0x00(%[pred]) \n\t" "gsldlc1 %[ftmp3], 0x0f(%[src]) \n\t" "gsldrc1 %[ftmp3], 0x08(%[src]) \n\t" "gsldlc1 %[ftmp4], 0x0f(%[pred]) \n\t" "gsldrc1 %[ftmp4], 0x08(%[pred]) \n\t" MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) "gsldlc1 %[ftmp5], 0x07(%[src]) \n\t" "gsldrc1 %[ftmp5], 0x00(%[src]) \n\t" "gsldlc1 %[ftmp6], 0x07(%[pred]) \n\t" "gsldrc1 %[ftmp6], 0x00(%[pred]) \n\t" "gsldlc1 %[ftmp7], 0x0f(%[src]) \n\t" "gsldrc1 %[ftmp7], 0x08(%[src]) \n\t" "gsldlc1 %[ftmp8], 0x0f(%[pred]) \n\t" "gsldrc1 %[ftmp8], 0x08(%[pred]) \n\t" MMI_ADDU(%[src], %[src], %[src_stride]) MMI_ADDU(%[pred], %[pred], %[pred_stride]) "punpcklbh %[ftmp9], %[ftmp1], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp1], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp2], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp2], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x00(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x0f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x08(%[diff]) \n\t" "punpcklbh %[ftmp9], %[ftmp3], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp3], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp4], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp4], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x17(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x10(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x1f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x18(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "punpcklbh %[ftmp9], %[ftmp5], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp5], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp6], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp6], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x07(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x00(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x0f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x08(%[diff]) \n\t" "punpcklbh %[ftmp9], %[ftmp7], %[ftmp0] \n\t" "punpckhbh %[ftmp10], %[ftmp7], %[ftmp0] \n\t" "punpcklbh %[ftmp11], %[ftmp8], %[ftmp0] \n\t" "punpckhbh %[ftmp12], %[ftmp8], %[ftmp0] \n\t" "psubsh %[ftmp9], %[ftmp9], %[ftmp11] \n\t" "psubsh %[ftmp10], %[ftmp10], %[ftmp12] \n\t" "gssdlc1 %[ftmp9], 0x17(%[diff]) \n\t" "gssdrc1 %[ftmp9], 0x10(%[diff]) \n\t" "gssdlc1 %[ftmp10], 0x1f(%[diff]) \n\t" "gssdrc1 %[ftmp10], 0x18(%[diff]) \n\t" MMI_ADDU(%[diff], %[diff], %[diff_stride]) "addiu %[tmp0], %[tmp0], -0x01 \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]), [ftmp9] "=&f"(ftmp[9]), [ftmp10] "=&f"(ftmp[10]), [ftmp11] "=&f"(ftmp[11]), [ftmp12] "=&f"(ftmp[12]), [tmp0] "=&r"(tmp[0]), [src] "+&r"(src), [pred] "+&r"(pred), [diff] "+&r"(diff) : [pred_stride] "r"((mips_reg)pred_stride), [src_stride] "r"((mips_reg)src_stride), [diff_stride] "r"((mips_reg)(diff_stride * 2)) : "memory"); break; case 32: vpx_subtract_block_c(rows, cols, diff, diff_stride, src, src_stride, pred, pred_stride); break; case 64: vpx_subtract_block_c(rows, cols, diff, diff_stride, src, src_stride, pred, pred_stride); break; default: vpx_subtract_block_c(rows, cols, diff, diff_stride, src, src_stride, pred, pred_stride); break; } } else { vpx_subtract_block_c(rows, cols, diff, diff_stride, src, src_stride, pred, pred_stride); } }