1This is a list of possible improvements to the SSA pass of the compiler.
2
3Optimizations (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
18Optimizations (better compiler)
19-------------------------------
20- Handle signed division overflow and sign extension earlier
21
22Regalloc
23--------
24- Make liveness analysis non-quadratic
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