Implementation notes: amd64, cherry, crypto_kem/hqc256round4

Compiler output

gf.c: gf.c:107:18: error: '__builtin_ia32_vextractf128_si256' needs target feature avx
gf.c:     __m128i al = _mm256_extractf128_si256(a, 0);
gf.c:                  ^
gf.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avxintrin.h:4749:12: note: expanded from macro '_mm256_extractf128_si256'
gf.c:   (__m128i)__builtin_ia32_vextractf128_si256((__v8si)(__m256i)(V), (int)(M))
gf.c:            ^
gf.c: gf.c:108:18: error: '__builtin_ia32_vextractf128_si256' needs target feature avx
gf.c:     __m128i ah = _mm256_extractf128_si256(a, 1);
gf.c:                  ^
gf.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avxintrin.h:4749:12: note: expanded from macro '_mm256_extractf128_si256'
gf.c:   (__m128i)__builtin_ia32_vextractf128_si256((__v8si)(__m256i)(V), (int)(M))
gf.c:            ^
gf.c: gf.c:109:18: error: '__builtin_ia32_vextractf128_si256' needs target feature avx
gf.c:     __m128i bl = _mm256_extractf128_si256(b, 0);
gf.c:                  ^
gf.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avxintrin.h:4749:12: note: expanded from macro '_mm256_extractf128_si256'
gf.c:   (__m128i)__builtin_ia32_vextractf128_si256((__v8si)(__m256i)(V), (int)(M))
gf.c:            ^
gf.c: gf.c:110:18: error: '__builtin_ia32_vextractf128_si256' needs target feature avx
gf.c:     __m128i bh = _mm256_extractf128_si256(b, 1);
gf.c:                  ^
gf.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avxintrin.h:4749:12: note: expanded from macro '_mm256_extractf128_si256'
gf.c:   (__m128i)__builtin_ia32_vextractf128_si256((__v8si)(__m256i)(V), (int)(M))
gf.c:            ^
gf.c: gf.c:134:19: error: '__builtin_ia32_vinsertf128_si256' needs target feature avx
gf.c: ...

Compiler output

gf.c: gf.c:91:19: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
gf.c:     __m128i vab = _mm_clmulepi64_si128(va, vb, 0);
gf.c:                   ^
gf.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
gf.c:   ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
gf.c:             ^
gf.c: 1 error generated.

Compiler output

gf.c: gf.c: In function 'gf_mul_vect':
gf.c: gf.c:106:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
gf.c:   106 | __m256i gf_mul_vect(__m256i a, __m256i b) {
gf.c:       | ^~~~~~~
gf.c: gf.c:106:9: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
gf.c:   106 | __m256i gf_mul_vect(__m256i a, __m256i b) {
gf.c:       |         ^~~~~~~~~~~
gf.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:107,
gf.c:                  from gf.h:11,
gf.c:                  from gf.c:6:
gf.c: gf.c: In function 'gf_reduce':
gf.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/bmiintrin.h:38:1: error: inlining failed in call to 'always_inline' '__tzcnt_u16': target specific option mismatch
gf.c:    38 | __tzcnt_u16 (unsigned short __X)
gf.c:       | ^~~~~~~~~~~
gf.c: gf.c:68:18: note: called from here
gf.c:    68 |             z2 = __tzcnt_u16(rmdr);
gf.c:       |                  ^~~~~~~~~~~~~~~~~