Implementation notes: aarch64, a53, crypto_aead/pi64cipher256v1

Computer: a53
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20160731
Operation: crypto_aead
Primitive: pi64cipher256v1

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
203200	`optimized_nonSSE`	`gcc -mcpu=cortex-a53 -O3 -fomit-frame-pointer -fwrapv`	20160802	20160731
249075	`ref`	`gcc -mcpu=cortex-a53 -O2 -fomit-frame-pointer -fwrapv`	20160802	20160731
282400	`optimized_nonSSE`	`gcc -mcpu=cortex-a53 -O2 -fomit-frame-pointer -fwrapv`	20160802	20160731
324405	`ref`	`gcc -mcpu=cortex-a53 -O3 -fomit-frame-pointer -fwrapv`	20160802	20160731
414400	`optimized_nonSSE`	`gcc -mcpu=cortex-a53 -O -fomit-frame-pointer -fwrapv`	20160802	20160731
438615	`ref`	`gcc -mcpu=cortex-a53 -Os -fomit-frame-pointer -fwrapv`	20160802	20160731
482400	`optimized_nonSSE`	`gcc -mcpu=cortex-a53 -Os -fomit-frame-pointer -fwrapv`	20160802	20160731
682400	`ref`	`gcc -mcpu=cortex-a53 -O -fomit-frame-pointer -fwrapv`	20160802	20160731

Test failure

Implementation: crypto_aead/pi64cipher256v1/optimized_nonSSE
Compiler: clang -mcpu=cortex-a53 -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 -mcpu=cortex-a53 -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	optimized_nonSSE ref

Compiler output

Implementation: crypto_aead/pi64cipher256v1/ref
Compiler: clang -mcpu=cortex-a53 -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 -mcpu=cortex-a53 -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref

Compiler output

Implementation: crypto_aead/pi64cipher256v1/optimized_nonSSE
Compiler: clang -mcpu=cortex-a53 -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 -mcpu=cortex-a53 -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	optimized_nonSSE