Implementation notes: amd64, icelake, crypto_encrypt/4hfe

Computer: icelake
Architecture: amd64
CPU ID: GenuineIntel-000706e5-bfebfbff
SUPERCOP version: 20200826
Operation: crypto_encrypt
Primitive: 4hfe

Test failure

Implementation: T:ref
Security model: timingleaks
Compiler: opt-local-bin-g++ -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111
crypto_encrypt_open does not match m

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
opt-local-bin-g++ -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
opt-local-bin-g++ -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref

Test failure

Implementation: T:ref
Security model: timingleaks
Compiler: opt-local-bin-g++ -march=icelake-client -mtune=icelake-client -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111
crypto_encrypt_open returns nonzero

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
opt-local-bin-g++ -march=icelake-client -mtune=icelake-client -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang++ -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

HFE-test.cpp: In file included from HFE-test.cpp:18:
HFE-test.cpp: In file included from ./HFE.h:6:
HFE-test.cpp: ./tower.h:364:9: error: argument to '__builtin_ia32_palignr128' must be a constant integer
HFE-test.cpp: return _mm_alignr_epi8(a1, a0, i*2);
HFE-test.cpp: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
HFE-test.cpp: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/11.0.3/include/tmmintrin.h:148:12: note: expanded from macro '_mm_alignr_epi8'
HFE-test.cpp: (__m128i)__builtin_ia32_palignr128((__v16qi)(__m128i)(a), \
HFE-test.cpp: ^
HFE-test.cpp: 1 error generated.

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang++ -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang++ -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang++ -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref