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Fix build for big-endian targets
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@viccie30 @gavv
viccie30 authored and gavv committed Nov 26, 2022
1 parent 73ebd5c commit 8de9214
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8 changes: 8 additions & 0 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -34,3 +34,11 @@ target_link_libraries(openfec m)

#target_link_libraries(openfec pthread IL)
#target_link_libraries(openfec pthread)

include(TestBigEndian)
test_big_endian(BIG_ENDIAN)
if(BIG_ENDIAN)
target_compile_definitions(openfec PRIVATE OPENFEC_BIG_ENDIAN)
else(BIG_ENDIAN)
target_compile_definitions(openfec PRIVATE OPENFEC_LITTLE_ENDIAN)
endif(BIG_ENDIAN)
16 changes: 16 additions & 0 deletions src/lib_stable/reed-solomon_gf_2_8/of_reed-solomon_gf_2_8.c
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Original file line number Diff line number Diff line change
Expand Up @@ -380,15 +380,31 @@ of_addmul1 (gf *dst1, gf *src1, gf c, int sz)
for (; dst < lim ; dst += UNROLL, src += UNROLL)
{

#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[0]]) | ((UINT64)__gf_mulc_[src[1]]<<8) | ((UINT64)__gf_mulc_[src[2]]<<16) |
((UINT64)__gf_mulc_[src[3]]<<24) | ((UINT64)__gf_mulc_[src[4]]<<32) | ((UINT64)__gf_mulc_[src[5]]<<40) |
((UINT64)__gf_mulc_[src[6]]<<48) | ((UINT64)__gf_mulc_[src[7]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[7]]) | ((UINT64)__gf_mulc_[src[6]]<<8) | ((UINT64)__gf_mulc_[src[5]]<<16) |
((UINT64)__gf_mulc_[src[4]]<<24) | ((UINT64)__gf_mulc_[src[3]]<<32) | ((UINT64)__gf_mulc_[src[2]]<<40) |
((UINT64)__gf_mulc_[src[1]]<<48) | ((UINT64)__gf_mulc_[src[0]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;

#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[8]]) | ((UINT64)__gf_mulc_[src[9]]<<8) | ((UINT64)__gf_mulc_[src[10]]<<16) |
((UINT64)__gf_mulc_[src[11]]<<24) | ((UINT64)__gf_mulc_[src[12]]<<32) | ((UINT64)__gf_mulc_[src[13]]<<40) |
((UINT64)__gf_mulc_[src[14]]<<48) | ((UINT64)__gf_mulc_[src[15]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[15]]) | ((UINT64)__gf_mulc_[src[14]]<<8) | ((UINT64)__gf_mulc_[src[13]]<<16) |
((UINT64)__gf_mulc_[src[12]]<<24) | ((UINT64)__gf_mulc_[src[11]]<<32) | ((UINT64)__gf_mulc_[src[10]]<<40) |
((UINT64)__gf_mulc_[src[9]]<<48) | ((UINT64)__gf_mulc_[src[8]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
}
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88 changes: 88 additions & 0 deletions src/lib_stable/reed-solomon_gf_2_m/galois_field_codes_utils/algebra_2_4.c
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Original file line number Diff line number Diff line change
Expand Up @@ -87,32 +87,76 @@ void of_galois_field_2_4_addmul1(gf *dst1, gf *src1, gf c, int sz)
{
#if ((defined (__LP64__) || (__WORDSIZE == 64)) && !defined (OF_RS_2M_USE_32BITS))
/* perform 64-bit operations for improved performances on 64-bit systems */
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[0]]) | ((UINT64)__gf_mulc_[src[1]]<<8) | ((UINT64)__gf_mulc_[src[2]]<<16) |
((UINT64)__gf_mulc_[src[3]]<<24) | ((UINT64)__gf_mulc_[src[4]]<<32) | ((UINT64)__gf_mulc_[src[5]]<<40) |
((UINT64)__gf_mulc_[src[6]]<<48) | ((UINT64)__gf_mulc_[src[7]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[7]]) | ((UINT64)__gf_mulc_[src[6]]<<8) | ((UINT64)__gf_mulc_[src[5]]<<16) |
((UINT64)__gf_mulc_[src[4]]<<24) | ((UINT64)__gf_mulc_[src[3]]<<32) | ((UINT64)__gf_mulc_[src[2]]<<40) |
((UINT64)__gf_mulc_[src[1]]<<48) | ((UINT64)__gf_mulc_[src[0]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[8]]) | ((UINT64)__gf_mulc_[src[9]]<<8) | ((UINT64)__gf_mulc_[src[10]]<<16) |
((UINT64)__gf_mulc_[src[11]]<<24) | ((UINT64)__gf_mulc_[src[12]]<<32) | ((UINT64)__gf_mulc_[src[13]]<<40) |
((UINT64)__gf_mulc_[src[14]]<<48) | ((UINT64)__gf_mulc_[src[15]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[15]]) | ((UINT64)__gf_mulc_[src[14]]<<8) | ((UINT64)__gf_mulc_[src[13]]<<16) |
((UINT64)__gf_mulc_[src[12]]<<24) | ((UINT64)__gf_mulc_[src[11]]<<32) | ((UINT64)__gf_mulc_[src[10]]<<40) |
((UINT64)__gf_mulc_[src[9]]<<48) | ((UINT64)__gf_mulc_[src[8]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
#else
/* otherwise perform 32-bit operations on 32-bit systems */
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[0]]) | ((UINT32)__gf_mulc_[src[1]]<<8) | ((UINT32)__gf_mulc_[src[2]]<<16) |
((UINT32)__gf_mulc_[src[3]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[3]]) | ((UINT32)__gf_mulc_[src[2]]<<8) | ((UINT32)__gf_mulc_[src[1]]<<16) |
((UINT32)__gf_mulc_[src[0]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[4]]) | ((UINT32)__gf_mulc_[src[5]]<<8) | ((UINT32)__gf_mulc_[src[6]]<<16) |
((UINT32)__gf_mulc_[src[7]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[7]]) | ((UINT32)__gf_mulc_[src[6]]<<8) | ((UINT32)__gf_mulc_[src[5]]<<16) |
((UINT32)__gf_mulc_[src[4]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[8]]) | ((UINT32)__gf_mulc_[src[9]]<<8) | ((UINT32)__gf_mulc_[src[10]]<<16) |
((UINT32)__gf_mulc_[src[11]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[11]]) | ((UINT32)__gf_mulc_[src[10]]<<8) | ((UINT32)__gf_mulc_[src[9]]<<16) |
((UINT32)__gf_mulc_[src[8]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[12]]) | ((UINT32)__gf_mulc_[src[13]]<<8) | ((UINT32)__gf_mulc_[src[14]]<<16) |
((UINT32)__gf_mulc_[src[15]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[15]]) | ((UINT32)__gf_mulc_[src[14]]<<8) | ((UINT32)__gf_mulc_[src[13]]<<16) |
((UINT32)__gf_mulc_[src[12]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#endif
Expand Down Expand Up @@ -155,32 +199,76 @@ void of_galois_field_2_4_addmul1_compact (gf *dst1, gf *src1, gf c, int
{
#if ((defined (__LP64__) || (__WORDSIZE == 64)) && !defined (OF_RS_2M_USE_32BITS))
/* perform 64-bit operations for improved performances on 64-bit systems */
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[0]]) | ((UINT64)__gf_mulc_[src[1]]<<8) | ((UINT64)__gf_mulc_[src[2]]<<16) |
((UINT64)__gf_mulc_[src[3]]<<24) | ((UINT64)__gf_mulc_[src[4]]<<32) | ((UINT64)__gf_mulc_[src[5]]<<40) |
((UINT64)__gf_mulc_[src[6]]<<48) | ((UINT64)__gf_mulc_[src[7]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[7]]) | ((UINT64)__gf_mulc_[src[6]]<<8) | ((UINT64)__gf_mulc_[src[5]]<<16) |
((UINT64)__gf_mulc_[src[4]]<<24) | ((UINT64)__gf_mulc_[src[3]]<<32) | ((UINT64)__gf_mulc_[src[2]]<<40) |
((UINT64)__gf_mulc_[src[1]]<<48) | ((UINT64)__gf_mulc_[src[0]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[8]]) | ((UINT64)__gf_mulc_[src[9]]<<8) | ((UINT64)__gf_mulc_[src[10]]<<16) |
((UINT64)__gf_mulc_[src[11]]<<24) | ((UINT64)__gf_mulc_[src[12]]<<32) | ((UINT64)__gf_mulc_[src[13]]<<40) |
((UINT64)__gf_mulc_[src[14]]<<48) | ((UINT64)__gf_mulc_[src[15]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[15]]) | ((UINT64)__gf_mulc_[src[14]]<<8) | ((UINT64)__gf_mulc_[src[13]]<<16) |
((UINT64)__gf_mulc_[src[12]]<<24) | ((UINT64)__gf_mulc_[src[11]]<<32) | ((UINT64)__gf_mulc_[src[10]]<<40) |
((UINT64)__gf_mulc_[src[9]]<<48) | ((UINT64)__gf_mulc_[src[8]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
#else
/* otherwise perform 32-bit operations on 32-bit systems */
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[0]]) | ((UINT32)__gf_mulc_[src[1]]<<8) | ((UINT32)__gf_mulc_[src[2]]<<16) |
((UINT32)__gf_mulc_[src[3]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[3]]) | ((UINT32)__gf_mulc_[src[2]]<<8) | ((UINT32)__gf_mulc_[src[1]]<<16) |
((UINT32)__gf_mulc_[src[0]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[4]]) | ((UINT32)__gf_mulc_[src[5]]<<8) | ((UINT32)__gf_mulc_[src[6]]<<16) |
((UINT32)__gf_mulc_[src[7]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[7]]) | ((UINT32)__gf_mulc_[src[6]]<<8) | ((UINT32)__gf_mulc_[src[5]]<<16) |
((UINT32)__gf_mulc_[src[4]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[8]]) | ((UINT32)__gf_mulc_[src[9]]<<8) | ((UINT32)__gf_mulc_[src[10]]<<16) |
((UINT32)__gf_mulc_[src[11]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[11]]) | ((UINT32)__gf_mulc_[src[10]]<<8) | ((UINT32)__gf_mulc_[src[9]]<<16) |
((UINT32)__gf_mulc_[src[8]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[12]]) | ((UINT32)__gf_mulc_[src[13]]<<8) | ((UINT32)__gf_mulc_[src[14]]<<16) |
((UINT32)__gf_mulc_[src[15]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[15]]) | ((UINT32)__gf_mulc_[src[14]]<<8) | ((UINT32)__gf_mulc_[src[13]]<<16) |
((UINT32)__gf_mulc_[src[12]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#endif
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44 changes: 44 additions & 0 deletions src/lib_stable/reed-solomon_gf_2_m/galois_field_codes_utils/algebra_2_8.c
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Original file line number Diff line number Diff line change
Expand Up @@ -79,31 +79,75 @@ void of_galois_field_2_8_addmul1(gf *dst1, gf *src1, gf c, int sz) {
for (; dst < lim ;dst += UNROLL, src += UNROLL)
{
#if ((defined (__LP64__) || (__WORDSIZE == 64)) && !defined (OF_RS_2M_USE_32BITS))
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[0]]) | ((UINT64)__gf_mulc_[src[1]]<<8) | ((UINT64)__gf_mulc_[src[2]]<<16) |
((UINT64)__gf_mulc_[src[3]]<<24) | ((UINT64)__gf_mulc_[src[4]]<<32) | ((UINT64)__gf_mulc_[src[5]]<<40) |
((UINT64)__gf_mulc_[src[6]]<<48) | ((UINT64)__gf_mulc_[src[7]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[7]]) | ((UINT64)__gf_mulc_[src[6]]<<8) | ((UINT64)__gf_mulc_[src[5]]<<16) |
((UINT64)__gf_mulc_[src[4]]<<24) | ((UINT64)__gf_mulc_[src[3]]<<32) | ((UINT64)__gf_mulc_[src[2]]<<40) |
((UINT64)__gf_mulc_[src[1]]<<48) | ((UINT64)__gf_mulc_[src[0]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[8]]) | ((UINT64)__gf_mulc_[src[9]]<<8) | ((UINT64)__gf_mulc_[src[10]]<<16) |
((UINT64)__gf_mulc_[src[11]]<<24) | ((UINT64)__gf_mulc_[src[12]]<<32) | ((UINT64)__gf_mulc_[src[13]]<<40) |
((UINT64)__gf_mulc_[src[14]]<<48) | ((UINT64)__gf_mulc_[src[15]]<<56) ;
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT64)__gf_mulc_[src[15]]) | ((UINT64)__gf_mulc_[src[14]]<<8) | ((UINT64)__gf_mulc_[src[13]]<<16) |
((UINT64)__gf_mulc_[src[12]]<<24) | ((UINT64)__gf_mulc_[src[11]]<<32) | ((UINT64)__gf_mulc_[src[10]]<<40) |
((UINT64)__gf_mulc_[src[9]]<<48) | ((UINT64)__gf_mulc_[src[8]]<<56) ;
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_64 ^= tmp;
dst_64++;
#else
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[0]]) | ((UINT32)__gf_mulc_[src[1]]<<8) | ((UINT32)__gf_mulc_[src[2]]<<16) |
((UINT32)__gf_mulc_[src[3]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[3]]) | ((UINT32)__gf_mulc_[src[2]]<<8) | ((UINT32)__gf_mulc_[src[1]]<<16) |
((UINT32)__gf_mulc_[src[0]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[4]]) | ((UINT32)__gf_mulc_[src[5]]<<8) | ((UINT32)__gf_mulc_[src[6]]<<16) |
((UINT32)__gf_mulc_[src[7]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[7]]) | ((UINT32)__gf_mulc_[src[6]]<<8) | ((UINT32)__gf_mulc_[src[5]]<<16) |
((UINT32)__gf_mulc_[src[4]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[8]]) | ((UINT32)__gf_mulc_[src[9]]<<8) | ((UINT32)__gf_mulc_[src[10]]<<16) |
((UINT32)__gf_mulc_[src[11]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[11]]) | ((UINT32)__gf_mulc_[src[10]]<<8) | ((UINT32)__gf_mulc_[src[9]]<<16) |
((UINT32)__gf_mulc_[src[8]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#if defined (OPENFEC_LITTLE_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[12]]) | ((UINT32)__gf_mulc_[src[13]]<<8) | ((UINT32)__gf_mulc_[src[14]]<<16) |
((UINT32)__gf_mulc_[src[15]]<<24);
#elif defined (OPENFEC_BIG_ENDIAN)
tmp = ((UINT32)__gf_mulc_[src[15]]) | ((UINT32)__gf_mulc_[src[14]]<<8) | ((UINT32)__gf_mulc_[src[13]]<<16) |
((UINT32)__gf_mulc_[src[12]]<<24);
#else // ! defined (OPENFEC_LITTLE_ENDIAN) || defined (OPENFEC_BIG_ENDIAN)
#error "Unknown endianness"
#endif
*dst_32 ^= tmp;
dst_32++;
#endif
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