Implementation notes: amd64, panther, crypto_hash/rhash

Computer: panther
Microarchitecture: amd64; Tiger Lake (806c1)
Architecture: amd64
CPU ID: GenuineIntel-000806c1-00-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_hash
Primitive: rhash

Test failure

error 111
crypto_hash is nondeterministic

Number of similar (implementation,compiler) pairs: 8, namely:

Implementation	Compiler
`T:ref`	`clang++ -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang++ -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang++ -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang++ -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`g++ -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`g++ -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`g++ -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

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 (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:ref`	`clang++ -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang++ -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang++ -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang++ -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Hash.cpp: In file included from Hash.cpp:9:
Hash.cpp: Hash.h: In function 'ulong CheckParity(ulong64)':
Hash.cpp: Hash.h:6:37: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
Hash.cpp:     6 |  ulong out = ulong (num ^ (num>>32) & 0xffffffff);
Hash.cpp:       |                           ~~~~~~~~~~^~~~~~~~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:ref`	`g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`g++ -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`g++ -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`g++ -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`