2 ms·
A compiler that did this optimization would immediately introduce a pragma guaranteed to result in constant time memcmp from some blessed source pattern. Maint
by wolf550e 10y ago
A compiler that did this optimization would immediately introduce a pragma guaranteed to result in constant time memcmp from some blessed source pattern.
Maintainers of crypto libraries inspect the assembly when upgrading their compilers, test with many compilers and document the versions of compilers they support.