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      1 /*
      2  *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef VPX_DSP_MIPS_TXFM_MACROS_MIPS_MSA_H_
     12 #define VPX_DSP_MIPS_TXFM_MACROS_MIPS_MSA_H_
     13 
     14 #include "vpx_dsp/mips/macros_msa.h"
     15 
     16 #define DOTP_CONST_PAIR(reg0, reg1, cnst0, cnst1, out0, out1) {      \
     17   v8i16 k0_m = __msa_fill_h(cnst0);                                  \
     18   v4i32 s0_m, s1_m, s2_m, s3_m;                                      \
     19                                                                      \
     20   s0_m = (v4i32)__msa_fill_h(cnst1);                                 \
     21   k0_m = __msa_ilvev_h((v8i16)s0_m, k0_m);                           \
     22                                                                      \
     23   ILVRL_H2_SW((-reg1), reg0, s1_m, s0_m);                            \
     24   ILVRL_H2_SW(reg0, reg1, s3_m, s2_m);                               \
     25   DOTP_SH2_SW(s1_m, s0_m, k0_m, k0_m, s1_m, s0_m);                   \
     26   SRARI_W2_SW(s1_m, s0_m, DCT_CONST_BITS);                           \
     27   out0 = __msa_pckev_h((v8i16)s0_m, (v8i16)s1_m);                    \
     28                                                                      \
     29   DOTP_SH2_SW(s3_m, s2_m, k0_m, k0_m, s1_m, s0_m);                   \
     30   SRARI_W2_SW(s1_m, s0_m, DCT_CONST_BITS);                           \
     31   out1 = __msa_pckev_h((v8i16)s0_m, (v8i16)s1_m);                    \
     32 }
     33 
     34 #define DOT_ADD_SUB_SRARI_PCK(in0, in1, in2, in3, in4, in5, in6, in7,      \
     35                               dst0, dst1, dst2, dst3) {                    \
     36   v4i32 tp0_m, tp1_m, tp2_m, tp3_m, tp4_m;                                 \
     37   v4i32 tp5_m, tp6_m, tp7_m, tp8_m, tp9_m;                                 \
     38                                                                            \
     39   DOTP_SH4_SW(in0, in1, in0, in1, in4, in4, in5, in5,                      \
     40               tp0_m, tp2_m, tp3_m, tp4_m);                                 \
     41   DOTP_SH4_SW(in2, in3, in2, in3, in6, in6, in7, in7,                      \
     42               tp5_m, tp6_m, tp7_m, tp8_m);                                 \
     43   BUTTERFLY_4(tp0_m, tp3_m, tp7_m, tp5_m, tp1_m, tp9_m, tp7_m, tp5_m);     \
     44   BUTTERFLY_4(tp2_m, tp4_m, tp8_m, tp6_m, tp3_m, tp0_m, tp4_m, tp2_m);     \
     45   SRARI_W4_SW(tp1_m, tp9_m, tp7_m, tp5_m, DCT_CONST_BITS);                 \
     46   SRARI_W4_SW(tp3_m, tp0_m, tp4_m, tp2_m, DCT_CONST_BITS);                 \
     47   PCKEV_H4_SH(tp1_m, tp3_m, tp9_m, tp0_m, tp7_m, tp4_m, tp5_m, tp2_m,      \
     48               dst0, dst1, dst2, dst3);                                     \
     49 }
     50 
     51 #define DOT_SHIFT_RIGHT_PCK_H(in0, in1, in2) ({       \
     52   v8i16 dst_m;                                        \
     53   v4i32 tp0_m, tp1_m;                                 \
     54                                                       \
     55   DOTP_SH2_SW(in0, in1, in2, in2, tp1_m, tp0_m);      \
     56   SRARI_W2_SW(tp1_m, tp0_m, DCT_CONST_BITS);          \
     57   dst_m = __msa_pckev_h((v8i16)tp1_m, (v8i16)tp0_m);  \
     58                                                       \
     59   dst_m;                                              \
     60 })
     61 
     62 #define MADD_SHORT(m0, m1, c0, c1, res0, res1) {                    \
     63   v4i32 madd0_m, madd1_m, madd2_m, madd3_m;                         \
     64   v8i16 madd_s0_m, madd_s1_m;                                       \
     65                                                                     \
     66   ILVRL_H2_SH(m1, m0, madd_s0_m, madd_s1_m);                        \
     67   DOTP_SH4_SW(madd_s0_m, madd_s1_m, madd_s0_m, madd_s1_m,           \
     68               c0, c0, c1, c1, madd0_m, madd1_m, madd2_m, madd3_m);  \
     69   SRARI_W4_SW(madd0_m, madd1_m, madd2_m, madd3_m, DCT_CONST_BITS);  \
     70   PCKEV_H2_SH(madd1_m, madd0_m, madd3_m, madd2_m, res0, res1);      \
     71 }
     72 
     73 #define MADD_BF(inp0, inp1, inp2, inp3, cst0, cst1, cst2, cst3,         \
     74                 out0, out1, out2, out3) {                               \
     75   v8i16 madd_s0_m, madd_s1_m, madd_s2_m, madd_s3_m;                     \
     76   v4i32 tmp0_m, tmp1_m, tmp2_m, tmp3_m, m4_m, m5_m;                     \
     77                                                                         \
     78   ILVRL_H2_SH(inp1, inp0, madd_s0_m, madd_s1_m);                        \
     79   ILVRL_H2_SH(inp3, inp2, madd_s2_m, madd_s3_m);                        \
     80   DOTP_SH4_SW(madd_s0_m, madd_s1_m, madd_s2_m, madd_s3_m,               \
     81               cst0, cst0, cst2, cst2, tmp0_m, tmp1_m, tmp2_m, tmp3_m);  \
     82   BUTTERFLY_4(tmp0_m, tmp1_m, tmp3_m, tmp2_m,                           \
     83               m4_m, m5_m, tmp3_m, tmp2_m);                              \
     84   SRARI_W4_SW(m4_m, m5_m, tmp2_m, tmp3_m, DCT_CONST_BITS);              \
     85   PCKEV_H2_SH(m5_m, m4_m, tmp3_m, tmp2_m, out0, out1);                  \
     86   DOTP_SH4_SW(madd_s0_m, madd_s1_m, madd_s2_m, madd_s3_m,               \
     87               cst1, cst1, cst3, cst3, tmp0_m, tmp1_m, tmp2_m, tmp3_m);  \
     88   BUTTERFLY_4(tmp0_m, tmp1_m, tmp3_m, tmp2_m,                           \
     89               m4_m, m5_m, tmp3_m, tmp2_m);                              \
     90   SRARI_W4_SW(m4_m, m5_m, tmp2_m, tmp3_m, DCT_CONST_BITS);              \
     91   PCKEV_H2_SH(m5_m, m4_m, tmp3_m, tmp2_m, out2, out3);                  \
     92 }
     93 #endif  // VPX_DSP_MIPS_TXFM_MACROS_MIPS_MSA_H_
     94