Re: help needed on gcc instruction scheduling with unspec_volatile()

2009-02-03 Thread Ian Lance Taylor
raja.sal...@iap-online.com writes: >>> Is there a way to make the instruction has to allocate to run without >>> using the scheduler for particular instruction ? >> >> I don't understand the question. > > The target we are using supports parallel instruction execution, Max 7. > For one cycle, one

Re: help needed on gcc instruction scheduling with unspec_volatile()

2009-02-02 Thread raja . saleru
Dear Ian, Thanks the reply. >> Is there a way to make the instruction has to allocate to run without >> using the scheduler for particular instruction ? > > I don't understand the question. The target we are using supports parallel instruction execution, Max 7. For one cycle, one instruction pac

Re: help needed on gcc instruction scheduling with unspec_volatile()

2009-02-02 Thread Ian Lance Taylor
raja.sal...@iap-online.com writes: > In gcc, while instruction scheduling can it be possible to suspend the > scheduling for some instructions ? or No. You can turn off instruction scheduling for the entire compilation. You can use #pragma GCC optimize to turn scheduling off for a specific func

help needed on gcc instruction scheduling with unspec_volatile()

2009-02-02 Thread raja . saleru
Hi, In gcc, while instruction scheduling can it be possible to suspend the scheduling for some instructions ? or Is there a way to make the instruction has to allocate to run without using the scheduler for particular instruction ? Currently there is RTL template in machine description unspec_vo