Re: FRE may run out of memory

2014-02-19 Thread dxq
Richard Biener-2 wrote > On Fri, Feb 14, 2014 at 3:50 AM, dxq < > ziyan01@ > > wrote: > > What compiler version did you check? I think that 4.8 has improvements > for 1. and 2. (SMS is unmaintained). Note that we only spent time to > make -O1 behave sanely with extremely large functions. > >

Re: FRE may run out of memory

2014-02-14 Thread Richard Biener
On Fri, Feb 14, 2014 at 3:50 AM, dxq wrote: > Richard Biener-2 wrote >> On Sat, Feb 8, 2014 at 8:29 AM, dxq < > >> ziyan01@ > >> > wrote: >>> hi all, >>> >>> We found that gcc would run out of memory on Windows when compiling a >>> *big* >>> function (10 lines). >>> >>> More investigation show

Re: FRE may run out of memory

2014-02-13 Thread dxq
Richard Biener-2 wrote > On Sat, Feb 8, 2014 at 8:29 AM, dxq < > ziyan01@ > > wrote: >> hi all, >> >> We found that gcc would run out of memory on Windows when compiling a >> *big* >> function (10 lines). >> >> More investigation shows that gcc crashes at the function >> *compute_avail*, >> i

Re: FRE may run out of memory

2014-02-08 Thread Richard Biener
On Sat, Feb 8, 2014 at 8:29 AM, dxq wrote: > hi all, > > We found that gcc would run out of memory on Windows when compiling a *big* > function (10 lines). > > More investigation shows that gcc crashes at the function *compute_avail*, > in tree-fre pass. *compute_avail* collects information f