Coming from a long (~20ys) abstinence in C++, it seems I’m having problems with trivialities. Given the code: template<typename T, std::size_t DIM> void add(std::array<T, DIM> &tgt, std::array<T, DIM> a, std::array<T, DIM> b) { for (int i = 0; i < DIM; i++) { tgt[i] = a[i] + b[i]; } } which should do a vector ..
Category : aliasing
I am puzzled with the following 2 simple snippets: #include <vector> struct A{ int foo(int i) const {return v[i];} std::vector<int> v; }; int f(const A &a, int i) { int j; j=a.foo(i); j=a.foo(i); return j; } which gives the assembly code: movsxd rax, esi mov rcx, qword ptr [rdi] mov eax, dword ptr [rcx + ..
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