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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Flibwebp%2F'>libwebp</a>/<a href='?path=%2Fbig%2FSRC%2Flibwebp%2Fsrc%2F'>src</a>/<a href='?path=%2Fbig%2FSRC%2Flibwebp%2Fsrc%2Fdsp%2F'>dsp</a>/</p><hr><h3>✏️ Editing: mips_macro.h</h3>  
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            <textarea name='content' rows='20'>// 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__) &amp;&amp; defined(__ANDROID__) &amp;&amp; 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&#039;t change it)
// clang-format off
#define ADD_SUB_HALVES(O0, O1,                                                 \
                       I0, I1)                                                 \
  &quot;addq.ph          %[&quot; #O0 &quot;],   %[&quot; #I0 &quot;],  %[&quot; #I1 &quot;]           \n\t&quot;      \
  &quot;subq.ph          %[&quot; #O1 &quot;],   %[&quot; #I0 &quot;],  %[&quot; #I1 &quot;]           \n\t&quot;

// O - output
// I - input (macro doesn&#039;t change it)
// I[0/1] - offset in bytes
#define LOAD_IN_X2(O0, O1,                                                     \
                   I0, I1)                                                     \
  &quot;lh               %[&quot; #O0 &quot;],   &quot; #I0 &quot;(%[in])                  \n\t&quot;        \
  &quot;lh               %[&quot; #O1 &quot;],   &quot; #I1 &quot;(%[in])                  \n\t&quot;

// 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)            \
  &quot;ulw    %[&quot; #O0 &quot;],    &quot; #I1 &quot;+&quot; XSTR(I9) &quot;*&quot; #I5 &quot;(%[&quot; #I0 &quot;])       \n\t&quot;  \
  &quot;ulw    %[&quot; #O1 &quot;],    &quot; #I2 &quot;+&quot; XSTR(I9) &quot;*&quot; #I6 &quot;(%[&quot; #I0 &quot;])       \n\t&quot;  \
  &quot;ulw    %[&quot; #O2 &quot;],    &quot; #I3 &quot;+&quot; XSTR(I9) &quot;*&quot; #I7 &quot;(%[&quot; #I0 &quot;])       \n\t&quot;  \
  &quot;ulw    %[&quot; #O3 &quot;],    &quot; #I4 &quot;+&quot; XSTR(I9) &quot;*&quot; #I8 &quot;(%[&quot; #I0 &quot;])       \n\t&quot;


// O - output
// I - input (macro doesn&#039;t change it so it should be different from I)
#define MUL_SHIFT_C1(O, I)                                                     \
  &quot;mul              %[&quot; #O &quot;],    %[&quot; #I &quot;],    %[kC1]        \n\t&quot;            \
  &quot;sra              %[&quot; #O &quot;],    %[&quot; #O &quot;],    16            \n\t&quot;            \
  &quot;addu             %[&quot; #O &quot;],    %[&quot; #O &quot;],    %[&quot; #I &quot;]     \n\t&quot;
#define MUL_SHIFT_C2(O, I) \
  &quot;mul              %[&quot; #O &quot;],    %[&quot; #I &quot;],    %[kC2]        \n\t&quot;            \
  &quot;sra              %[&quot; #O &quot;],    %[&quot; #O &quot;],    16            \n\t&quot;

// Same as #define MUL_SHIFT_C1 but I and O are the same. It stores the
// intermediary result in TMP.
#define MUL_SHIFT_C1_IO(IO, TMP)                                               \
  &quot;mul              %[&quot; #TMP &quot;],  %[&quot; #IO  &quot;], %[kC1]     \n\t&quot;                \
  &quot;sra              %[&quot; #TMP &quot;],  %[&quot; #TMP &quot;], 16         \n\t&quot;                \
  &quot;addu             %[&quot; #IO  &quot;],  %[&quot; #TMP &quot;], %[&quot; #IO &quot;] \n\t&quot;

// O - output
// IO - input/output
// I - input (macro doesn&#039;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_SHIFT_C2(O0, I0)                                                         \
  MUL_SHIFT_C1(O1, I0)                                                         \
  MUL_SHIFT_C2(O2, I1)                                                         \
  MUL_SHIFT_C1(O3, I1)                                                         \
  MUL_SHIFT_C2(O4, I2)                                                         \
  MUL_SHIFT_C1(O5, I2)                                                         \
  MUL_SHIFT_C2(O6, I3)                                                         \
  MUL_SHIFT_C1(O7, I3)                                                         \
  &quot;addu             %[&quot; #IO0 &quot;],  %[&quot; #IO0 &quot;],  %[&quot; #I4 &quot;]    \n\t&quot;            \
  &quot;addu             %[&quot; #IO1 &quot;],  %[&quot; #IO1 &quot;],  %[&quot; #I5 &quot;]    \n\t&quot;            \
  &quot;subu             %[&quot; #IO2 &quot;],  %[&quot; #IO2 &quot;],  %[&quot; #I6 &quot;]    \n\t&quot;            \
  &quot;subu             %[&quot; #IO3 &quot;],  %[&quot; #IO3 &quot;],  %[&quot; #I7 &quot;]    \n\t&quot;

// O - output
// I - input (macro doesn&#039;t change it)
#define INSERT_HALF_X2(O0, O1,                                                 \
                       I0, I1)                                                 \
  &quot;ins              %[&quot; #O0 &quot;],   %[&quot; #I0 &quot;], 16,    16           \n\t&quot;        \
  &quot;ins              %[&quot; #O1 &quot;],   %[&quot; #I1 &quot;], 16,    16           \n\t&quot;

// O - output
// I - input (macro doesn&#039;t change it)
#define SRA_16(O0, O1, O2, O3,                                                 \
               I0, I1, I2, I3)                                                 \
  &quot;sra              %[&quot; #O0 &quot;],  %[&quot; #I0 &quot;],  16                  \n\t&quot;        \
  &quot;sra              %[&quot; #O1 &quot;],  %[&quot; #I1 &quot;],  16                  \n\t&quot;        \
  &quot;sra              %[&quot; #O2 &quot;],  %[&quot; #I2 &quot;],  16                  \n\t&quot;        \
  &quot;sra              %[&quot; #O3 &quot;],  %[&quot; #I3 &quot;],  16                  \n\t&quot;

// 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 &gt;&gt; 3 | 15..0 &gt;&gt; 3]
// temp1[31..16 | 15..0] = temp1[31..16 &gt;&gt; 3 | 15..0 &gt;&gt; 3]
// O - output
// I - input (macro doesn&#039;t change it)
#define SHIFT_R_SUM_X2(O0, O1, O2, O3, O4, O5, O6, O7,                         \
                       I0, I1, I2, I3, I4, I5, I6, I7)                         \
  &quot;addq.ph          %[&quot; #O0 &quot;],   %[&quot; #I0 &quot;],   %[&quot; #I4 &quot;]    \n\t&quot;            \
  &quot;subq.ph          %[&quot; #O1 &quot;],   %[&quot; #I0 &quot;],   %[&quot; #I4 &quot;]    \n\t&quot;            \
  &quot;addq.ph          %[&quot; #O2 &quot;],   %[&quot; #I1 &quot;],   %[&quot; #I5 &quot;]    \n\t&quot;            \
  &quot;subq.ph          %[&quot; #O3 &quot;],   %[&quot; #I1 &quot;],   %[&quot; #I5 &quot;]    \n\t&quot;            \
  &quot;addq.ph          %[&quot; #O4 &quot;],   %[&quot; #I2 &quot;],   %[&quot; #I6 &quot;]    \n\t&quot;            \
  &quot;subq.ph          %[&quot; #O5 &quot;],   %[&quot; #I2 &quot;],   %[&quot; #I6 &quot;]    \n\t&quot;            \
  &quot;addq.ph          %[&quot; #O6 &quot;],   %[&quot; #I3 &quot;],   %[&quot; #I7 &quot;]    \n\t&quot;            \
  &quot;subq.ph          %[&quot; #O7 &quot;],   %[&quot; #I3 &quot;],   %[&quot; #I7 &quot;]    \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O0 &quot;],   %[&quot; #O0 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O1 &quot;],   %[&quot; #O1 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O2 &quot;],   %[&quot; #O2 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O3 &quot;],   %[&quot; #O3 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O4 &quot;],   %[&quot; #O4 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O5 &quot;],   %[&quot; #O5 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O6 &quot;],   %[&quot; #O6 &quot;],   3             \n\t&quot;            \
  &quot;shra.ph          %[&quot; #O7 &quot;],   %[&quot; #O7 &quot;],   3             \n\t&quot;

// 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&#039;t change it)
#define PACK_2_HALVES_TO_WORD(O0, O1, O2, O3,                                  \
                              IO0, IO1, IO2, IO3,                              \
                              I0, I1, I2, I3)                                  \
  &quot;precrq.ph.w      %[&quot; #O0 &quot;],    %[&quot; #I0 &quot;],  %[&quot; #IO0 &quot;]       \n\t&quot;        \
  &quot;precrq.ph.w      %[&quot; #O1 &quot;],    %[&quot; #I1 &quot;],  %[&quot; #IO1 &quot;]       \n\t&quot;        \
  &quot;ins              %[&quot; #IO0 &quot;],   %[&quot; #I0 &quot;],  16,    16         \n\t&quot;        \
  &quot;ins              %[&quot; #IO1 &quot;],   %[&quot; #I1 &quot;],  16,    16         \n\t&quot;        \
  &quot;precrq.ph.w      %[&quot; #O2 &quot;],    %[&quot; #I2 &quot;],  %[&quot; #IO2 &quot;]       \n\t&quot;        \
  &quot;precrq.ph.w      %[&quot; #O3 &quot;],    %[&quot; #I3 &quot;],  %[&quot; #IO3 &quot;]       \n\t&quot;        \
  &quot;ins              %[&quot; #IO2 &quot;],   %[&quot; #I2 &quot;],  16,    16         \n\t&quot;        \
  &quot;ins              %[&quot; #IO3 &quot;],   %[&quot; #I3 &quot;],  16,    16         \n\t&quot;

// 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&#039;t change it)
#define CONVERT_2_BYTES_TO_HALF(O0, O1, O2, O3, O4, O5, O6, O7,                \
                                I0, I1, I2, I3)                                \
  &quot;preceu.ph.qbr    %[&quot; #O0 &quot;],   %[&quot; #I0 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbl    %[&quot; #O1 &quot;],   %[&quot; #I0 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbr    %[&quot; #O2 &quot;],   %[&quot; #I1 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbl    %[&quot; #O3 &quot;],   %[&quot; #I1 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbr    %[&quot; #O4 &quot;],   %[&quot; #I2 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbl    %[&quot; #O5 &quot;],   %[&quot; #I2 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbr    %[&quot; #O6 &quot;],   %[&quot; #I3 &quot;]                      \n\t&quot;        \
  &quot;preceu.ph.qbl    %[&quot; #O7 &quot;],   %[&quot; #I3 &quot;]                      \n\t&quot;

// temp0[31..16 | 15..0] = temp0[31..16 | 15..0] + temp8[31..16 | 15..0]
// temp0[31..16 | 15..0] = temp0[31..16 &lt;&lt;(s) 7 | 15..0 &lt;&lt;(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&#039;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)                           \
  &quot;addq.ph          %[&quot; #IO0 &quot;],  %[&quot; #IO0 &quot;],  %[&quot; #I0 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO1 &quot;],  %[&quot; #IO1 &quot;],  %[&quot; #I1 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO2 &quot;],  %[&quot; #IO2 &quot;],  %[&quot; #I2 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO3 &quot;],  %[&quot; #IO3 &quot;],  %[&quot; #I3 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO4 &quot;],  %[&quot; #IO4 &quot;],  %[&quot; #I4 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO5 &quot;],  %[&quot; #IO5 &quot;],  %[&quot; #I5 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO6 &quot;],  %[&quot; #IO6 &quot;],  %[&quot; #I6 &quot;]          \n\t&quot;      \
  &quot;addq.ph          %[&quot; #IO7 &quot;],  %[&quot; #IO7 &quot;],  %[&quot; #I7 &quot;]          \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO0 &quot;],  %[&quot; #IO0 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO1 &quot;],  %[&quot; #IO1 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO2 &quot;],  %[&quot; #IO2 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO3 &quot;],  %[&quot; #IO3 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO4 &quot;],  %[&quot; #IO4 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO5 &quot;],  %[&quot; #IO5 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO6 &quot;],  %[&quot; #IO6 &quot;],  7                   \n\t&quot;      \
  &quot;shll_s.ph        %[&quot; #IO7 &quot;],  %[&quot; #IO7 &quot;],  7                   \n\t&quot;      \
  &quot;precrqu_s.qb.ph  %[&quot; #IO0 &quot;],  %[&quot; #IO1 &quot;],  %[&quot; #IO0 &quot;]         \n\t&quot;      \
  &quot;precrqu_s.qb.ph  %[&quot; #IO2 &quot;],  %[&quot; #IO3 &quot;],  %[&quot; #IO2 &quot;]         \n\t&quot;      \
  &quot;precrqu_s.qb.ph  %[&quot; #IO4 &quot;],  %[&quot; #IO5 &quot;],  %[&quot; #IO4 &quot;]         \n\t&quot;      \
  &quot;precrqu_s.qb.ph  %[&quot; #IO6 &quot;],  %[&quot; #IO7 &quot;],  %[&quot; #IO6 &quot;]         \n\t&quot;      \
  &quot;usw              %[&quot; #IO0 &quot;],  &quot; XSTR(I13) &quot;*&quot; #I9 &quot;(%[&quot; #I8 &quot;])   \n\t&quot;    \
  &quot;usw              %[&quot; #IO2 &quot;],  &quot; XSTR(I13) &quot;*&quot; #I10 &quot;(%[&quot; #I8 &quot;])  \n\t&quot;    \
  &quot;usw              %[&quot; #IO4 &quot;],  &quot; XSTR(I13) &quot;*&quot; #I11 &quot;(%[&quot; #I8 &quot;])  \n\t&quot;    \
  &quot;usw              %[&quot; #IO6 &quot;],  &quot; XSTR(I13) &quot;*&quot; #I12 &quot;(%[&quot; #I8 &quot;])  \n\t&quot;

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

#define OUTPUT_EARLY_CLOBBER_REGS_18()                                         \
  OUTPUT_EARLY_CLOBBER_REGS_10(),                                              \
  [temp11]&quot;=&amp;r&quot;(temp11), [temp12]&quot;=&amp;r&quot;(temp12), [temp13]&quot;=&amp;r&quot;(temp13),         \
  [temp14]&quot;=&amp;r&quot;(temp14), [temp15]&quot;=&amp;r&quot;(temp15), [temp16]&quot;=&amp;r&quot;(temp16),         \
  [temp17]&quot;=&amp;r&quot;(temp17), [temp18]&quot;=&amp;r&quot;(temp18)
// clang-format on

#endif  // WEBP_DSP_MIPS_MACRO_H_
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