kc3-lang/libjpeg-turbo/simd/loongson/loongson-mmintrin.h

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• Hash : 1c2d3cfa
  Author :
  Date : 2019-01-30T12:43:45
  

  MMI: Fix comp. perf. issue w/ unaligned image rows
  
  Using ldc1 with a non-64-bit-aligned memory location causes as much as a
  10x slow-down in overall compression performance.
  

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• simd/loongson/loongson-mmintrin.h

• /*
   * Loongson MMI optimizations for libjpeg-turbo
   *
   * Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
   *                          All Rights Reserved.
   * Copyright (C) 2019, D. R. Commander.  All Rights Reserved.
   *
   * This software is provided 'as-is', without any express or implied
   * warranty.  In no event will the authors be held liable for any damages
   * arising from the use of this software.
   *
   * Permission is granted to anyone to use this software for any purpose,
   * including commercial applications, and to alter it and redistribute it
   * freely, subject to the following restrictions:
   *
   * 1. The origin of this software must not be misrepresented; you must not
   *    claim that you wrote the original software. If you use this software
   *    in a product, an acknowledgment in the product documentation would be
   *    appreciated but is not required.
   * 2. Altered source versions must be plainly marked as such, and must not be
   *    misrepresented as being the original software.
   * 3. This notice may not be removed or altered from any source distribution.
   */
  
  #ifndef __LOONGSON_MMINTRIN_H__
  #define __LOONGSON_MMINTRIN_H__
  
  #include <stdint.h>
  
  
  #define FUNCTION_ATTRIBS \
    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  
  
  /* Vectors are stored in 64-bit floating-point registers. */
  typedef double __m64;
  
  /* Having a 32-bit datatype allows us to use 32-bit loads in places like
     load8888. */
  typedef float __m32;
  
  
  /********** Set Operations **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_setzero_si64(void)
  {
    return 0.0;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_set_pi8(uint8_t __b7, uint8_t __b6, uint8_t __b5, uint8_t __b4,
              uint8_t __b3, uint8_t __b2, uint8_t __b1, uint8_t __b0)
  {
    __m64 ret;
    uint32_t lo = ((uint32_t)__b6 << 24) |
                  ((uint32_t)__b4 << 16) |
                  ((uint32_t)__b2 << 8) |
                  (uint32_t)__b0;
    uint32_t hi = ((uint32_t)__b7 << 24) |
                  ((uint32_t)__b5 << 16) |
                  ((uint32_t)__b3 << 8) |
                  (uint32_t)__b1;
  
    asm("mtc1      %1, %0\n\t"
        "mtc1      %2, $f0\n\t"
        "punpcklbh %0, %0, $f0\n\t"
        : "=f" (ret)
        : "r" (lo), "r" (hi)
        : "$f0"
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_set_pi16(uint16_t __h3, uint16_t __h2, uint16_t __h1, uint16_t __h0)
  {
    __m64 ret;
    uint32_t lo = ((uint32_t)__h2 << 16) | (uint32_t)__h0;
    uint32_t hi = ((uint32_t)__h3 << 16) | (uint32_t)__h1;
  
    asm("mtc1      %1, %0\n\t"
        "mtc1      %2, $f0\n\t"
        "punpcklhw %0, %0, $f0\n\t"
        : "=f" (ret)
        : "r" (lo), "r" (hi)
        : "$f0"
       );
  
    return ret;
  }
  
  #define _MM_SHUFFLE(fp3, fp2, fp1, fp0) \
    (((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | (fp0))
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_set_pi32(uint32_t __i1, uint32_t __i0)
  {
    if (__builtin_constant_p(__i1) && __builtin_constant_p(__i0)) {
      uint64_t val = ((uint64_t)__i1 << 32) |
                     ((uint64_t)__i0 <<  0);
  
      return *(__m64 *)&val;
    } else if (__i1 == __i0) {
      uint64_t imm = _MM_SHUFFLE(1, 0, 1, 0);
      __m64 ret;
  
      asm("pshufh %0, %1, %2\n\t"
          : "=f" (ret)
          : "f" (*(__m32 *)&__i1), "f" (*(__m64 *)&imm)
         );
  
      return ret;
    } else {
      uint64_t val = ((uint64_t)__i1 << 32) |
                     ((uint64_t)__i0 <<  0);
  
      return *(__m64 *)&val;
    }
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_set1_pi8(uint8_t __b0)
  {
    __m64 ret;
  
    asm("sll    $8, %1, 8\n\t"
        "or     %1, %1, $8\n\t"
        "mtc1   %1, %0\n\t"
        "mtc1   $0, $f0\n\t"
        "pshufh %0, %0, $f0\n\t"
        : "=f" (ret)
        : "r" (__b0)
        : "$8", "$f0"
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_set1_pi16(uint16_t __h0)
  {
    __m64 ret;
  
    asm("mtc1   %1, %0\n\t"
        "mtc1   $0, $f0\n\t"
        "pshufh %0, %0, $f0\n\t"
        : "=f" (ret)
        : "r" (__h0)
        : "$8", "$f0"
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_set1_pi32(unsigned __i0)
  {
    return _mm_set_pi32(__i0, __i0);
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_setr_pi8(uint8_t __h0, uint8_t __h1, uint8_t __h2, uint8_t __h3,
               uint8_t __h4, uint8_t __h5, uint8_t __h6, uint8_t __h7)
  {
    return _mm_set_pi8(__h7, __h6, __h5, __h4,
                       __h3, __h2, __h1, __h0);
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_setr_pi16(uint16_t __w0, uint16_t __w1, uint16_t __w2, uint16_t __w3)
  {
    return _mm_set_pi16(__w3, __w2, __w1, __w0);
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_setr_pi32(uint32_t __i0, uint32_t __i1)
  {
    return _mm_set_pi32(__i1, __i0);
  }
  
  
  /********** Arithmetic Operations **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_add_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_add_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_add_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_add_si64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddd %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_adds_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddsb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_adds_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddsh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_adds_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddusb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_adds_pu16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("paddush %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_avg_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pavgb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_avg_pu16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pavgh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_madd_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmaddhw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_max_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmaxsh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_max_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmaxub %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_min_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pminsh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_min_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pminub %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline int FUNCTION_ATTRIBS
  _mm_movemask_pi8(__m64 __m1)
  {
    int ret;
  
    asm("pmovmskb %0, %1\n\t"
        : "=r" (ret)
        : "y" (__m1)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_mulhi_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmulhh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_mulhi_pu16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmulhuh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_mullo_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmullh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_mul_pu32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pmuluw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_sad_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psadbh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_asub_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pasubub %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_biadd_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("biadd %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_sub_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_sub_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_sub_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_sub_si64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubd %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_subs_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubsb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_subs_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubsh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_subs_pu8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubusb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_subs_pu16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("psubush %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  /********** Logical Operations **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_and_si64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("and %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_andnot_si64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("andn %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_or_si32(__m32 __m1, __m32 __m2)
  {
    __m32 ret;
  
    asm("or %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_or_si64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("or %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_xor_si64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("xor %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  /********** Shift Operations **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_slli_pi16(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("psllh  %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_slli_pi32(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("psllw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_slli_si64(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("dsll  %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_srli_pi16(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("psrlh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_srli_pi32(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("psrlw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_srli_si64(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("dsrl  %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_srai_pi16(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("psrah %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_srai_pi32(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("psraw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_srai_si64(__m64 __m, int64_t __count)
  {
    __m64 ret;
  
    asm("dsra %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__count)
       );
  
    return ret;
  }
  
  
  /********** Conversion Intrinsics **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  to_m64(uint64_t x)
  {
    return *(__m64 *)&x;
  }
  
  extern __inline uint64_t FUNCTION_ATTRIBS
  to_uint64(__m64 x)
  {
    return *(uint64_t *)&x;
  }
  
  
  /********** Comparison Intrinsics **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmpeq_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpeqb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmpeq_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpeqh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmpeq_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpeqw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmpgt_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpgtb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmpgt_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpgth %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmpgt_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpgtw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmplt_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpltb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmplt_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmplth %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_cmplt_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("pcmpltw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  /********** Miscellaneous Operations **********/
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_packs_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("packsshb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_packs_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("packsswh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_packs_pi32_f(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("packsswh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_packs_pu16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("packushb %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_extract_pi16(__m64 __m, int64_t __pos)
  {
    __m64 ret;
  
    asm("pextrh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__pos)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_insert_pi16(__m64 __m1, __m64 __m2, int64_t __pos)
  {
    __m64 ret;
  
    switch (__pos) {
    case 0:
  
      asm("pinsrh_0 %0, %1, %2\n\t"
          : "=f" (ret)
          : "f" (__m1), "f" (__m2), "i" (__pos)
         );
  
      break;
  
    case 1:
  
      asm("pinsrh_1 %0, %1, %2\n\t"
          : "=f" (ret)
          : "f" (__m1), "f" (__m2), "i" (__pos)
         );
  
      break;
    case 2:
  
      asm("pinsrh_2 %0, %1, %2\n\t"
          : "=f" (ret)
          : "f" (__m1), "f" (__m2), "i" (__pos)
         );
  
      break;
  
    case 3:
  
      asm("pinsrh_3 %0, %1, %2\n\t"
          : "=f" (ret)
          : "f" (__m1), "f" (__m2), "i" (__pos)
         );
  
      break;
    }
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_shuffle_pi16(__m64 __m, int64_t __n)
  {
    __m64 ret;
  
    asm("pshufh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m), "f" (*(__m64 *)&__n)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpackhi_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpckhbh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpackhi_pi8_f(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpckhbh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpackhi_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpckhhw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpackhi_pi16_f(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpckhhw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpackhi_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpckhwd %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi8(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklbh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  /* Since punpcklbh cares about the high 32-bits, we use the __m64 datatype,
     which preserves the data. */
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi8_f64(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklbh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  /* Since punpcklbh doesn't care about the high 32-bits, we use the __m32,
     datatype, which allows load8888 to use 32-bit loads. */
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi8_f(__m32 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklbh %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi16(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklhw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi16_f(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklhw %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi32(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklwd %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_unpacklo_pi32_f(__m64 __m1, __m64 __m2)
  {
    __m64 ret;
  
    asm("punpcklwd %0, %1, %2\n\t"
        : "=f" (ret)
        : "f" (__m1), "f" (__m2)
       );
  
    return ret;
  }
  
  extern __inline void FUNCTION_ATTRIBS
  _mm_store_pi32(__m32 *dest, __m64 src)
  {
    src = _mm_packs_pu16(src, _mm_setzero_si64());
  
    asm("swc1 %1, %0\n\t"
        : "=m" (*dest)
        : "f" (src)
        : "memory"
       );
  }
  
  extern __inline void FUNCTION_ATTRIBS
  _mm_store_si64(__m64 *dest, __m64 src)
  {
    asm("gssdlc1 %1, 7+%0\n\t"
        "gssdrc1 %1, %0\n\t"
        : "=m" (*dest)
        : "f" (src)
        : "memory"
       );
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_load_si32(const __m32 *src)
  {
    __m32 ret;
  
    asm("lwc1 %0, %1\n\t"
        : "=f" (ret)
        : "m" (*src)
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_load_si64(const __m64 *src)
  {
    __m64 ret;
  
    asm("ldc1 %0, %1\n\t"
        : "=f" (ret)
        : "m" (*src)
        : "memory"
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadu_si64(const __m64 *src)
  {
    __m64 ret;
  
    asm("gsldlc1 %0,  7(%1)\n\t"
        "gsldrc1 %0,  0(%1)\n\t"
        : "=f" (ret)
        : "r" (src)
        : "memory"
       );
  
    return ret;
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadlo_pi8(const uint32_t *src)
  {
    return _mm_unpacklo_pi8_f(*(__m32 *)src, _mm_setzero_si64());
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadlo_pi8_f(__m64 src)
  {
    return _mm_unpacklo_pi8_f64(src, _mm_setzero_si64());
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadhi_pi8_f(__m64 src)
  {
    return _mm_unpackhi_pi8_f(src, _mm_setzero_si64());
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadlo_pi16(__m64 src)
  {
    return _mm_unpacklo_pi16(src, _mm_setzero_si64());
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadlo_pi16_f(__m64 src)
  {
    return _mm_unpacklo_pi16_f(_mm_setzero_si64(), src);
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadhi_pi16(__m64 src)
  {
    return _mm_unpackhi_pi16(src, _mm_setzero_si64());
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_loadhi_pi16_f(__m64 src)
  {
    return _mm_unpackhi_pi16_f(_mm_setzero_si64(), src);
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_expand_alpha(__m64 pixel)
  {
    return _mm_shuffle_pi16(pixel, _MM_SHUFFLE(3, 3, 3, 3));
  }
  
  extern __inline __m64 FUNCTION_ATTRIBS
  _mm_expand_alpha_rev(__m64 pixel)
  {
    return _mm_shuffle_pi16(pixel, _MM_SHUFFLE(0, 0, 0, 0));
  }
  
  #endif  /* __LOONGSON_MMINTRIN_H__ */
  

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