Re: When will the next gcc come out

2010-07-23 Thread Dave Korn
On 23/07/2010 10:02, Huang Bambo wrote: > > Gcc optimized out some code like > *fp++ = *format_string ++; > > When I gdb to that line and "print fp", gdb reported that fp is optized out... You need to check in more detail than that. GCC may have optimised away the fp variable, but kept the f

Re: When will the next gcc come out

2010-07-23 Thread Dave Korn
On 23/07/2010 09:24, Huang Bambo wrote: > The current gcc( 4.3.4 ) has some bug with O3 option. it will > optimized out some needed code in some case. > I meet this bug when I compile ACE library. > If I use O2 option, everything goes fine. > So, maybe many people may waiting for the new version. :

Re: When will the next gcc come out

2010-07-23 Thread Huang Bambo
2010/7/23 Andy Koppe : > On 23 July 2010 09:24, Huang Bambo wrote: >> The current gcc( 4.3.4 ) has some bug with O3 option. it will >> optimized out some needed code in some case. >> I meet this bug when I compile ACE library. >> If I use O2 option, everything goes fine. > > Have you got any actual

Re: When will the next gcc come out

2010-07-23 Thread Andy Koppe
On 23 July 2010 09:24, Huang Bambo wrote: > The current gcc( 4.3.4 ) has some bug with O3 option. it will > optimized out some needed code in some case. > I meet this bug when I compile ACE library. > If I use O2 option, everything goes fine. Have you got any actual evidence for this being a bug i

When will the next gcc come out

2010-07-23 Thread Huang Bambo
The current gcc( 4.3.4 ) has some bug with O3 option. it will optimized out some needed code in some case. I meet this bug when I compile ACE library. If I use O2 option, everything goes fine. So, maybe many people may waiting for the new version. :> Thanks ! -- Problem reports: http://cygwi