On 09/06/2012 08:00 AM, Aurelien Jarno wrote: > This patch series improves the TCG optimizer, based on patterns found > while executing various guest. The brcond ad setcond constant folding > are useful especially useful when they are used to avoid some argument > values (e.g. division by 0), and thus can be optimized when this argument > is a constant. > > This bring around 0.5% improvement on openssl like benchmarks. > > Aurelien Jarno (8): > tcg: improve profiler > tcg/optimize: split expression simplification > tcg/optimize: simplify or/xor r, a, 0 cases > tcg/optimize: simplify and r, a, 0 cases > tcg/optimize: simplify shift/rot r, 0, a => movi r, 0 cases > tcg/optimize: swap brcond/setcond arguments when possible > tcg/optimize: add constant folding for setcond > tcg/optimize: add constant folding for brcond
Patches 1-6,8: Reviewed-by: Richard Henderson <r...@twiddle.net> Patch 7 contains a trivial error. With that fixed it could also bear my Reviewed-by mark. r~
