Implementation notes: amd64, waldorf, crypto_aead/pi64cipher128v1

Computer: waldorf
Architecture: amd64
CPU ID: GenuineIntel-000106e5-bfebfbff
SUPERCOP version: 20160715
Operation: crypto_aead
Primitive: pi64cipher128v1

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
174672	`optimized_nonSSE`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160718	20160715
235028	`optimized_nonSSE`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160718	20160715
245992	`optimized_nonSSE`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160718	20160715
246772	`optimized_nonSSE`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160718	20160715
307264	`ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160718	20160715
363696	`ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160718	20160715
364412	`ref`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160718	20160715
370272	`ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160718	20160715

Test failure

Implementation: crypto_aead/pi64cipher128v1/optimized_nonSSE
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments

error 111
crypto_aead_decrypt returns nonzero

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

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	optimized_nonSSE ref

Compiler output

Implementation: crypto_aead/pi64cipher128v1/ref
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments

encrypt.c: encrypt.c:231:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:333:68: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: c[CRYPTO_NSECBYTES+b+i] = InternalState8[i1] = InternalState8[i1++] ^ m[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:478:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: 3 warnings generated.

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

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref

Compiler output

Implementation: crypto_aead/pi64cipher128v1/optimized_nonSSE
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments

encrypt.c: encrypt.c:346:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:448:68: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: c[CRYPTO_NSECBYTES+b+i] = InternalState8[i1] = InternalState8[i1++] ^ m[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:593:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: 3 warnings generated.

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

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	optimized_nonSSE