Implementation notes: amd64, h4atom, crypto_sign/3icp

Computer: h4atom
Architecture: amd64
CPU ID: GenuineIntel-000106ca-bfe9fbff
SUPERCOP version: 20160806
Operation: crypto_sign
Primitive: 3icp
TimeImplementationCompilerBenchmark dateSUPERCOP version
865944refg++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2016081420160806
1387928refg++ -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2016081420160806
1514808refg++ -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2016081420160806
2213760refg++ -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv2016081420160806

Compiler output

Implementation: crypto_sign/3icp/ref
Compiler: clang++ -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments
ThreeIC_p-test.cpp: In file included from ThreeIC_p-test.cpp:16:
ThreeIC_p-test.cpp: In file included from ./ThreeIC_p.h:6:
ThreeIC_p-test.cpp: ./tower.h:364:9: error: argument to '__builtin_ia32_palignr128' must be a constant integer
ThreeIC_p-test.cpp: return _mm_alignr_epi8(a1, a0, i*2);
ThreeIC_p-test.cpp: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
ThreeIC_p-test.cpp: /usr/lib/llvm-3.8/bin/../lib/clang/3.8.0/include/tmmintrin.h:69:12: note: expanded from macro '_mm_alignr_epi8'
ThreeIC_p-test.cpp: (__m128i)__builtin_ia32_palignr128((__v16qi)(__m128i)(a), \
ThreeIC_p-test.cpp: ^
ThreeIC_p-test.cpp: In file included from ThreeIC_p-test.cpp:16:
ThreeIC_p-test.cpp: In file included from ./ThreeIC_p.h:6:
ThreeIC_p-test.cpp: ./tower.h:364:9: error: cannot initialize return object of type '__m128i' (vector of 2 'long long' values) with an rvalue of type 'void'
ThreeIC_p-test.cpp: return _mm_alignr_epi8(a1, a0, i*2);
ThreeIC_p-test.cpp: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
ThreeIC_p-test.cpp: /usr/lib/llvm-3.8/bin/../lib/clang/3.8.0/include/tmmintrin.h:68:34: note: expanded from macro '_mm_alignr_epi8'
ThreeIC_p-test.cpp: #define _mm_alignr_epi8(a, b, n) __extension__ ({ \
ThreeIC_p-test.cpp: ^~~~~~~~~~~~~~~~~~
ThreeIC_p-test.cpp: 2 errors generated.
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang++ -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref