github.com/go-asm/go@v1.21.1-0.20240213172139-40c5ead50c48/cmd/compile/ssa/TODO (about)

     1  This is a list of possible improvements to the SSA pass of the compiler.
     2  
     3  Optimizations (better compiled code)
     4  ------------------------------------
     5  - Reduce register pressure in scheduler
     6  - Make dead store pass inter-block
     7  - If there are a lot of MOVQ $0, ..., then load
     8     0 into a register and use the register as the source instead.
     9  - Allow large structs to be SSAable (issue 24416)
    10  - Allow arrays of length >1 to be SSAable
    11  - If strings are being passed around without being interpreted (ptr
    12    and len fields being accessed) pass them in xmm registers?
    13    Same for interfaces?
    14  - any pointer generated by unsafe arithmetic must be non-nil?
    15    (Of course that may not be true in general, but it is for all uses
    16     in the runtime, and we can play games with unsafe.)
    17  
    18  Optimizations (better compiler)
    19  -------------------------------
    20  - Handle signed division overflow and sign extension earlier
    21  
    22  Regalloc
    23  --------
    24  - Make liveness analysis non-quadratic