On 11 January 2016 at 20:16, Lluís Vilanova <vilan...@ac.upc.edu> wrote: > Great! I implemented a similar thing long time ago. In my case the machinery > is > completely hidden under the concept of "value promises" in TCG (i.e., the user > does not need to know about TCG internals like tcg_op_buf_count): > > // create promise > TCGv_promise_i32 imm_p; > TCGv_i32 imm = tcg_const_promise_i32(&imm_p); // akin to tcg_const_i32() > ... > // operate with promised immediate 'imm' > ... > // resolve promised value > tcg_set_promise_i32(imm_p, resolved_value);
I think this is definitely a nicer API if we're going to have more than a very few uses -- gen_icount kind of gets away with looking under the hood of the tcg data structures because it's a sort of internal thing itself, but wider use would definitely benefit from a more formal API. thanks -- PMM
