Implementation notes: amd64, comet, crypto_sign/luov863256

Compiler output

LUOV.c: LUOV.c:1156:10: warning: unused function 'read_uint64_t' [-Wunused-function]
LUOV.c: uint64_t read_uint64_t(const unsigned char *data){
LUOV.c:          ^
LUOV.c: 1 warning generated.
keccakrng.c: keccakrng.c:71:24: warning: unused function 'rotl' [-Wunused-function]
keccakrng.c: static inline uint64_t rotl(const uint64_t x, int k) {
keccakrng.c:                        ^
keccakrng.c: 1 warning generated.

Compiler output

LUOV.c: LUOV.c:38:19: error: '__builtin_ia32_permdi256' needs target feature avx2
LUOV.c:                         __m256i rrrr = _mm256_permute4x64_epi64(_mm256_loadu_si256((__m256i *)&Q1[col++]),0);
LUOV.c:                                        ^
LUOV.c: /usr/lib/llvm-14/lib/clang/14.0.6/include/avx2intrin.h:818:13: note: expanded from macro '_mm256_permute4x64_epi64'
LUOV.c:   ((__m256i)__builtin_ia32_permdi256((__v4di)(__m256i)(V), (int)(M)))
LUOV.c:             ^
LUOV.c: LUOV.c:38:44: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'calculateQ2' that is compiled without support for 'avx'
LUOV.c:                         __m256i rrrr = _mm256_permute4x64_epi64(_mm256_loadu_si256((__m256i *)&Q1[col++]),0);
LUOV.c:                                                                 ^
LUOV.c: LUOV.c:38:44: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
LUOV.c: LUOV.c:43:69: error: always_inline function '_mm256_setzero_pd' requires target feature 'avx', but would be inlined into function 'calculateQ2' that is compiled without support for 'avx'
LUOV.c:                                 *((__m256i *)&TempMat[i][k*8+4]) ^=  (__m256i) _mm256_blendv_pd(_mm256_setzero_pd(),(__m256d) rrrr,(__m256d)TJ);
LUOV.c:                                                                                                 ^
LUOV.c: LUOV.c:43:69: error: AVX vector return of type '__m256d' (vector of 4 'double' values) without 'avx' enabled changes the ABI
LUOV.c: LUOV.c:43:52: error: always_inline function '_mm256_blendv_pd' requires target feature 'avx', but would be inlined into function 'calculateQ2' that is compiled without support for 'avx'
LUOV.c:                                 *((__m256i *)&TempMat[i][k*8+4]) ^=  (__m256i) _mm256_blendv_pd(_mm256_setzero_pd(),(__m256d) rrrr,(__m256d)TJ);
LUOV.c:                                                                                ^
LUOV.c: LUOV.c:43:52: error: AVX vector argument of type '__m256d' (vector of 4 'double' values) without 'avx' enabled changes the ABI
LUOV.c: LUOV.c:44:10: error: always_inline function '_mm256_slli_epi64' requires target feature 'avx2', but would be inlined into function 'calculateQ2' that is compiled without support for 'avx2'
LUOV.c:                                 TJ = _mm256_slli_epi64(TJ,4);
LUOV.c:                                      ^
LUOV.c: LUOV.c:44:10: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
LUOV.c: LUOV.c:46:66: error: always_inline function '_mm256_setzero_pd' requires target feature 'avx', but would be inlined into function 'calculateQ2' that is compiled without support for 'avx'
LUOV.c:                                 *((__m256i *)&TempMat[i][k*8]) ^= (__m256i) _mm256_blendv_pd(_mm256_setzero_pd(),(__m256d) rrrr,(__m256d)TJ);
LUOV.c:                                                                                              ^
LUOV.c: ...

Compiler output

LUOV.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/12/include/immintrin.h:43,
LUOV.c:                  from LUOV.h:7,
LUOV.c:                  from LUOV.c:1:
LUOV.c: In function '_mm256_loadu_si256',
LUOV.c:     inlined from 'TransformQ1' at LUOV.c:212:19:
LUOV.c: /usr/lib/gcc/x86_64-linux-gnu/12/include/avxintrin.h:929:10: warning: array subscript '__m256i_u[0]' is partly outside array bounds of 'uint64_t[1]' {aka 'long unsigned int[1]'} [-Warray-bounds]
LUOV.c:   929 |   return *__P;
LUOV.c:       |          ^~~~
LUOV.c: LUOV.c: In function 'TransformQ1':
LUOV.c: LUOV.c:207:38: note: object 'r' of size 8
LUOV.c:   207 |                         bitcontainer r = Q1[colQ1];
LUOV.c:       |                                      ^

Compiler output

F64Field.c: F64Field.c: In function 'f64addInPlace':
F64Field.c: F64Field.c:43:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
F64Field.c:    43 |         *((uint64_t *) a->coef) ^= *((uint64_t *) b->coef);
F64Field.c:       |          ~^~~~~~~~~~~~~~~~~~~~~
F64Field.c: F64Field.c:43:38: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
F64Field.c:    43 |         *((uint64_t *) a->coef) ^= *((uint64_t *) b->coef);
F64Field.c:       |                                     ~^~~~~~~~~~~~~~~~~~~~~
F80Field.c: F80Field.c: In function 'f80addInPlace':
F80Field.c: F80Field.c:55:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
F80Field.c:    55 |         *((uint64_t *) a->coef) ^= *((uint64_t *) b->coef);
F80Field.c:       |          ~^~~~~~~~~~~~~~~~~~~~~
F80Field.c: F80Field.c:55:38: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
F80Field.c:    55 |         *((uint64_t *) a->coef) ^= *((uint64_t *) b->coef);
F80Field.c:       |                                     ~^~~~~~~~~~~~~~~~~~~~~