Re: about alias analysis

2005-04-07 Thread James E Wilson
zouq wrote: > i wonder whether there exists or not alias analysis for scalar variable, > array variable, even pointers. > thank you. Yes. See alias.c for alias analysis on RTL. See also tree-ssa-alias.c for alias analysis on trees. The latter is much more sophisticated. The latter hasn't been

Re: about "Alias Analysis for Intermediate Code"

2005-04-05 Thread zouq
but i don`t understand even if you propagate the alias analysis from the tree optimizers, the space won1t be saved, you still need many space to save the info. is it not as expansive as the alias analysis based on the RTL representation? what has it saved?thank you. Qo. Zou > On Monday 04 April 2

Re: about "Alias Analysis for Intermediate Code"

2005-04-04 Thread Steven Bosscher
On Monday 04 April 2005 10:09, zouq wrote: > i can`t find it in current gcc version. > pleas do me the favor to tell me about it. I can only guess that you probably mean the Debray alias analysis proposed at the GCC summit in 2003. Follow this link for the paper: "http://gcc.fyxm.net/summit/2003/