On 11 September 2012 17:12, Richard Henderson <r...@twiddle.net> wrote: > On 09/10/2012 08:17 PM, Xin Tong wrote: >> 1. if DEBUG is enabled on TCGv, TCGv is wrapped in a C struct. and >> would it not be very expensive to pass TCGv by copy for all the >> tcg_gen_xxx functions.i.e. tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]); > > No. The compiler is (generally) able to look through a struct with > a single member.
...and in any case if you've enabled debug you have explicitly said you are more interested in catching bugs than in raw performance. -- PMM
