Implementation notes: amd64, icelake2, crypto_aead/lacv1

Computer: icelake2
Architecture: amd64
CPU ID: GenuineIntel-000706e5-bfebfbff
SUPERCOP version: 20221005
Operation: crypto_aead
Primitive: lacv1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
5115807579 16 023139 796 1024T:refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2022100420220506
5136347563 16 024355 796 1088T:refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2022100420220506
5153417547 16 024267 796 1056T:refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2022100420220506
5714816114 16 021963 788 1088T:refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2022100420220506
15416174851 16 018323 796 1024T:refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2022100420220506
16550674378 16 018419 788 1088T:refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2022100420220506
18631954634 16 018194 780 1088T:refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2022100420220506
22105024171 16 018445 788 1088T:refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2022100420220506
23655723430 16 015786 764 1056T:refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2022100420220506

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE
encrypt.c: In function 'padding',
encrypt.c: inlined from 'crypto_aead_lacv1_ref_timingleaks_encrypt' at encrypt.c:426:3:
encrypt.c: encrypt.c:25:28: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 25 | xpad[xpadlen - 5] = ((xlen * 8) >> 32) & 0xff;
encrypt.c: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:425:41: note: at offset -5 into destination object of size 0 allocated by 'malloc'
encrypt.c: 425 | mpad = (unsigned char *)malloc(mpadlen); //the array to store padded message(mpad bytes)
encrypt.c: | ^~~~~~~~~~~~~~~
encrypt.c: In function 'padding',
encrypt.c: inlined from 'crypto_aead_lacv1_ref_timingleaks_encrypt' at encrypt.c:426:3:
encrypt.c: encrypt.c:29:28: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 29 | xpad[xpadlen - 1] = ((xlen * 8) >> 0) & 0xff;
encrypt.c: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:425:41: note: at offset -1 into destination object of size 0 allocated by 'malloc'
encrypt.c: 425 | mpad = (unsigned char *)malloc(mpadlen); //the array to store padded message(mpad bytes)
encrypt.c: | ^~~~~~~~~~~~~~~
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref