mips_macro.h 11.9 KB
Newer Older
wester committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING 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.
// -----------------------------------------------------------------------------
//
// MIPS common macros

#ifndef WEBP_DSP_MIPS_MACRO_H_
#define WEBP_DSP_MIPS_MACRO_H_

#if defined(__GNUC__) && defined(__ANDROID__) && LOCAL_GCC_VERSION == 0x409
#define WORK_AROUND_GCC
#endif

#define STR(s) #s
#define XSTR(s) STR(s)

// O0[31..16 | 15..0] = I0[31..16 | 15..0] + I1[31..16 | 15..0]
// O1[31..16 | 15..0] = I0[31..16 | 15..0] - I1[31..16 | 15..0]
// O - output
// I - input (macro doesn't change it)
#define ADD_SUB_HALVES(O0, O1,                                                 \
                       I0, I1)                                                 \
  "addq.ph          %[" #O0 "],   %[" #I0 "],  %[" #I1 "]           \n\t"      \
  "subq.ph          %[" #O1 "],   %[" #I0 "],  %[" #I1 "]           \n\t"

// O - output
// I - input (macro doesn't change it)
// I[0/1] - offset in bytes
#define LOAD_IN_X2(O0, O1,                                                     \
                   I0, I1)                                                     \
  "lh               %[" #O0 "],   " #I0 "(%[in])                  \n\t"        \
  "lh               %[" #O1 "],   " #I1 "(%[in])                  \n\t"

// I0 - location
// I1..I9 - offsets in bytes
#define LOAD_WITH_OFFSET_X4(O0, O1, O2, O3,                                    \
                            I0, I1, I2, I3, I4, I5, I6, I7, I8, I9)            \
  "ulw    %[" #O0 "],    " #I1 "+" XSTR(I9) "*" #I5 "(%[" #I0 "])       \n\t"  \
  "ulw    %[" #O1 "],    " #I2 "+" XSTR(I9) "*" #I6 "(%[" #I0 "])       \n\t"  \
  "ulw    %[" #O2 "],    " #I3 "+" XSTR(I9) "*" #I7 "(%[" #I0 "])       \n\t"  \
  "ulw    %[" #O3 "],    " #I4 "+" XSTR(I9) "*" #I8 "(%[" #I0 "])       \n\t"

// O - output
// IO - input/output
// I - input (macro doesn't change it)
#define MUL_SHIFT_SUM(O0, O1, O2, O3, O4, O5, O6, O7,                          \
                      IO0, IO1, IO2, IO3,                                      \
                      I0, I1, I2, I3, I4, I5, I6, I7)                          \
  "mul              %[" #O0 "],   %[" #I0 "],   %[kC2]        \n\t"            \
  "mul              %[" #O1 "],   %[" #I0 "],   %[kC1]        \n\t"            \
  "mul              %[" #O2 "],   %[" #I1 "],   %[kC2]        \n\t"            \
  "mul              %[" #O3 "],   %[" #I1 "],   %[kC1]        \n\t"            \
  "mul              %[" #O4 "],   %[" #I2 "],   %[kC2]        \n\t"            \
  "mul              %[" #O5 "],   %[" #I2 "],   %[kC1]        \n\t"            \
  "mul              %[" #O6 "],   %[" #I3 "],   %[kC2]        \n\t"            \
  "mul              %[" #O7 "],   %[" #I3 "],   %[kC1]        \n\t"            \
  "sra              %[" #O0 "],   %[" #O0 "],   16            \n\t"            \
  "sra              %[" #O1 "],   %[" #O1 "],   16            \n\t"            \
  "sra              %[" #O2 "],   %[" #O2 "],   16            \n\t"            \
  "sra              %[" #O3 "],   %[" #O3 "],   16            \n\t"            \
  "sra              %[" #O4 "],   %[" #O4 "],   16            \n\t"            \
  "sra              %[" #O5 "],   %[" #O5 "],   16            \n\t"            \
  "sra              %[" #O6 "],   %[" #O6 "],   16            \n\t"            \
  "sra              %[" #O7 "],   %[" #O7 "],   16            \n\t"            \
  "addu             %[" #IO0 "],  %[" #IO0 "],  %[" #I4 "]    \n\t"            \
  "addu             %[" #IO1 "],  %[" #IO1 "],  %[" #I5 "]    \n\t"            \
  "subu             %[" #IO2 "],  %[" #IO2 "],  %[" #I6 "]    \n\t"            \
  "subu             %[" #IO3 "],  %[" #IO3 "],  %[" #I7 "]    \n\t"

// O - output
// I - input (macro doesn't change it)
#define INSERT_HALF_X2(O0, O1,                                                 \
                       I0, I1)                                                 \
  "ins              %[" #O0 "],   %[" #I0 "], 16,    16           \n\t"        \
  "ins              %[" #O1 "],   %[" #I1 "], 16,    16           \n\t"

// O - output
// I - input (macro doesn't change it)
#define SRA_16(O0, O1, O2, O3,                                                 \
               I0, I1, I2, I3)                                                 \
  "sra              %[" #O0 "],  %[" #I0 "],  16                  \n\t"        \
  "sra              %[" #O1 "],  %[" #I1 "],  16                  \n\t"        \
  "sra              %[" #O2 "],  %[" #I2 "],  16                  \n\t"        \
  "sra              %[" #O3 "],  %[" #I3 "],  16                  \n\t"

// temp0[31..16 | 15..0] = temp8[31..16 | 15..0] + temp12[31..16 | 15..0]
// temp1[31..16 | 15..0] = temp8[31..16 | 15..0] - temp12[31..16 | 15..0]
// temp0[31..16 | 15..0] = temp0[31..16 >> 3 | 15..0 >> 3]
// temp1[31..16 | 15..0] = temp1[31..16 >> 3 | 15..0 >> 3]
// O - output
// I - input (macro doesn't change it)
#define SHIFT_R_SUM_X2(O0, O1, O2, O3, O4, O5, O6, O7,                         \
                       I0, I1, I2, I3, I4, I5, I6, I7)                         \
  "addq.ph          %[" #O0 "],   %[" #I0 "],   %[" #I4 "]    \n\t"            \
  "subq.ph          %[" #O1 "],   %[" #I0 "],   %[" #I4 "]    \n\t"            \
  "addq.ph          %[" #O2 "],   %[" #I1 "],   %[" #I5 "]    \n\t"            \
  "subq.ph          %[" #O3 "],   %[" #I1 "],   %[" #I5 "]    \n\t"            \
  "addq.ph          %[" #O4 "],   %[" #I2 "],   %[" #I6 "]    \n\t"            \
  "subq.ph          %[" #O5 "],   %[" #I2 "],   %[" #I6 "]    \n\t"            \
  "addq.ph          %[" #O6 "],   %[" #I3 "],   %[" #I7 "]    \n\t"            \
  "subq.ph          %[" #O7 "],   %[" #I3 "],   %[" #I7 "]    \n\t"            \
  "shra.ph          %[" #O0 "],   %[" #O0 "],   3             \n\t"            \
  "shra.ph          %[" #O1 "],   %[" #O1 "],   3             \n\t"            \
  "shra.ph          %[" #O2 "],   %[" #O2 "],   3             \n\t"            \
  "shra.ph          %[" #O3 "],   %[" #O3 "],   3             \n\t"            \
  "shra.ph          %[" #O4 "],   %[" #O4 "],   3             \n\t"            \
  "shra.ph          %[" #O5 "],   %[" #O5 "],   3             \n\t"            \
  "shra.ph          %[" #O6 "],   %[" #O6 "],   3             \n\t"            \
  "shra.ph          %[" #O7 "],   %[" #O7 "],   3             \n\t"

// precrq.ph.w temp0, temp8, temp2
//   temp0 = temp8[31..16] | temp2[31..16]
// ins temp2, temp8, 16, 16
//   temp2 = temp8[31..16] | temp2[15..0]
// O - output
// IO - input/output
// I - input (macro doesn't change it)
#define PACK_2_HALVES_TO_WORD(O0, O1, O2, O3,                                  \
                              IO0, IO1, IO2, IO3,                              \
                              I0, I1, I2, I3)                                  \
  "precrq.ph.w      %[" #O0 "],    %[" #I0 "],  %[" #IO0 "]       \n\t"        \
  "precrq.ph.w      %[" #O1 "],    %[" #I1 "],  %[" #IO1 "]       \n\t"        \
  "ins              %[" #IO0 "],   %[" #I0 "],  16,    16         \n\t"        \
  "ins              %[" #IO1 "],   %[" #I1 "],  16,    16         \n\t"        \
  "precrq.ph.w      %[" #O2 "],    %[" #I2 "],  %[" #IO2 "]       \n\t"        \
  "precrq.ph.w      %[" #O3 "],    %[" #I3 "],  %[" #IO3 "]       \n\t"        \
  "ins              %[" #IO2 "],   %[" #I2 "],  16,    16         \n\t"        \
  "ins              %[" #IO3 "],   %[" #I3 "],  16,    16         \n\t"

// preceu.ph.qbr temp0, temp8
//   temp0 = 0 | 0 | temp8[23..16] | temp8[7..0]
// preceu.ph.qbl temp1, temp8
//   temp1 = temp8[23..16] | temp8[7..0] | 0 | 0
// O - output
// I - input (macro doesn't change it)
#define CONVERT_2_BYTES_TO_HALF(O0, O1, O2, O3, O4, O5, O6, O7,                \
                                I0, I1, I2, I3)                                \
  "preceu.ph.qbr    %[" #O0 "],   %[" #I0 "]                      \n\t"        \
  "preceu.ph.qbl    %[" #O1 "],   %[" #I0 "]                      \n\t"        \
  "preceu.ph.qbr    %[" #O2 "],   %[" #I1 "]                      \n\t"        \
  "preceu.ph.qbl    %[" #O3 "],   %[" #I1 "]                      \n\t"        \
  "preceu.ph.qbr    %[" #O4 "],   %[" #I2 "]                      \n\t"        \
  "preceu.ph.qbl    %[" #O5 "],   %[" #I2 "]                      \n\t"        \
  "preceu.ph.qbr    %[" #O6 "],   %[" #I3 "]                      \n\t"        \
  "preceu.ph.qbl    %[" #O7 "],   %[" #I3 "]                      \n\t"

// temp0[31..16 | 15..0] = temp0[31..16 | 15..0] + temp8[31..16 | 15..0]
// temp0[31..16 | 15..0] = temp0[31..16 <<(s) 7 | 15..0 <<(s) 7]
// temp1..temp7 same as temp0
// precrqu_s.qb.ph temp0, temp1, temp0:
//   temp0 = temp1[31..24] | temp1[15..8] | temp0[31..24] | temp0[15..8]
// store temp0 to dst
// IO - input/output
// I - input (macro doesn't change it)
#define STORE_SAT_SUM_X2(IO0, IO1, IO2, IO3, IO4, IO5, IO6, IO7,               \
                         I0, I1, I2, I3, I4, I5, I6, I7,                       \
                         I8, I9, I10, I11, I12, I13)                           \
  "addq.ph          %[" #IO0 "],  %[" #IO0 "],  %[" #I0 "]          \n\t"      \
  "addq.ph          %[" #IO1 "],  %[" #IO1 "],  %[" #I1 "]          \n\t"      \
  "addq.ph          %[" #IO2 "],  %[" #IO2 "],  %[" #I2 "]          \n\t"      \
  "addq.ph          %[" #IO3 "],  %[" #IO3 "],  %[" #I3 "]          \n\t"      \
  "addq.ph          %[" #IO4 "],  %[" #IO4 "],  %[" #I4 "]          \n\t"      \
  "addq.ph          %[" #IO5 "],  %[" #IO5 "],  %[" #I5 "]          \n\t"      \
  "addq.ph          %[" #IO6 "],  %[" #IO6 "],  %[" #I6 "]          \n\t"      \
  "addq.ph          %[" #IO7 "],  %[" #IO7 "],  %[" #I7 "]          \n\t"      \
  "shll_s.ph        %[" #IO0 "],  %[" #IO0 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO1 "],  %[" #IO1 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO2 "],  %[" #IO2 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO3 "],  %[" #IO3 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO4 "],  %[" #IO4 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO5 "],  %[" #IO5 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO6 "],  %[" #IO6 "],  7                   \n\t"      \
  "shll_s.ph        %[" #IO7 "],  %[" #IO7 "],  7                   \n\t"      \
  "precrqu_s.qb.ph  %[" #IO0 "],  %[" #IO1 "],  %[" #IO0 "]         \n\t"      \
  "precrqu_s.qb.ph  %[" #IO2 "],  %[" #IO3 "],  %[" #IO2 "]         \n\t"      \
  "precrqu_s.qb.ph  %[" #IO4 "],  %[" #IO5 "],  %[" #IO4 "]         \n\t"      \
  "precrqu_s.qb.ph  %[" #IO6 "],  %[" #IO7 "],  %[" #IO6 "]         \n\t"      \
  "usw              %[" #IO0 "],  " XSTR(I13) "*" #I9 "(%[" #I8 "])   \n\t"    \
  "usw              %[" #IO2 "],  " XSTR(I13) "*" #I10 "(%[" #I8 "])  \n\t"    \
  "usw              %[" #IO4 "],  " XSTR(I13) "*" #I11 "(%[" #I8 "])  \n\t"    \
  "usw              %[" #IO6 "],  " XSTR(I13) "*" #I12 "(%[" #I8 "])  \n\t"

#define OUTPUT_EARLY_CLOBBER_REGS_10()                                         \
  : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),             \
    [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6),             \
    [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), [temp9]"=&r"(temp9),             \
    [temp10]"=&r"(temp10)

#define OUTPUT_EARLY_CLOBBER_REGS_18()                                         \
  OUTPUT_EARLY_CLOBBER_REGS_10(),                                              \
  [temp11]"=&r"(temp11), [temp12]"=&r"(temp12), [temp13]"=&r"(temp13),         \
  [temp14]"=&r"(temp14), [temp15]"=&r"(temp15), [temp16]"=&r"(temp16),         \
  [temp17]"=&r"(temp17), [temp18]"=&r"(temp18)

#endif  // WEBP_DSP_MIPS_MACRO_H_