Routine to aid in setting things up for gen(). Look for common subexpression. Can handle indirection operators, but not if they're common subs.
extern(C++) void loadea (
.backend .codebuilder .CodeBuilder cdb,
.backend .code_x86 .code* cs,
) nothrow @trusted;
e -> elem where we get some of the data from cs -> partially filled code to add op = opcode reg = reg field of (mod reg r/m) offset = data to be added to Voffset field keepmsk = mask of registers we must not destroy desmsk = mask of registers destroyed by executing the instruction
pointer to code generated