Implementation notes: amd64, icelake, crypto_hash/rhash

Computer: icelake
Architecture: amd64
CPU ID: GenuineIntel-000706e5-bfebfbff
SUPERCOP version: 20200826
Operation: crypto_hash
Primitive: rhash

Test failure

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

error 111
crypto_hash is nondeterministic

Number of similar (compiler,implementation) pairs: 6, 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
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
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

Hash.cpp: In file included from Hash.cpp:9:
Hash.cpp: ./Hash.h:6:37: warning: '&' within '^' [-Wbitwise-op-parentheses]
Hash.cpp: ulong out = ulong (num ^ (num>>32) & 0xffffffff);
Hash.cpp: ~ ~~~~~~~~~~^~~~~~~~~~~~
Hash.cpp: ./Hash.h:6:37: note: place parentheses around the '&' expression to silence this warning
Hash.cpp: ulong out = ulong (num ^ (num>>32) & 0xffffffff);
Hash.cpp: ^
Hash.cpp: ( )
Hash.cpp: 1 warning 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