>> static inline unsigned int constant_time_msb(unsigned int a) {
>> - *return 0 - (a >> (sizeof(a) * 8 - 1));*
>> + return (((unsigned)((int)(a) >> (sizeof(int) * 8 - 1))));
>> }
>
>
> ... Both versions
> look reasonable to me (ignoring the hardcoded 8 - implying a char is 8
> bits).
Hardcoded 8 is not reference to char C type, but to units in which
sizeof(variable) is measured. For example when we say ILP32 or LP64,
what do we mean and what role does 8 play in the drama?
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