Hi all,
I have a question about the constexpr variable specifications and how the
compiler handles them. The constexpr specifier declares that it is possible to
evaluate the value of the function or variable “at compile time”. If we look at
the bellow simplified example:
int func(){
in
What was the rationale for the gcc ABI convention that int
bit fields force the containing struct to be int-aligned?
For example, the size of struct{int x:2;} is 4 in Linux
gcc, completely wasting 3 out of every 4 bytes of memory.
One can get finer alignment by declaring small fields
to be char,
Snapshot gcc-10-20200426 is now available on
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I am working a instrumentation tool based on gcc. I insert some intrumentation
code into each function, including destructor functions. A finalize function
will free memory resources after all work done. But I cannot find proper
loacation calling my finalizing function since the destructor funct
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