Re: Scheduler: Save state at the end of a block

2012-10-08 Thread Bernd Schmidt
On 08/13/2012 05:42 PM, Vladimir Makarov wrote: > On 08/13/2012 06:32 AM, Bernd Schmidt wrote: >> This is a small patch for sched-rgn that attempts to save DFA state at >> the end of a basic block and re-use it in successor blocks. This was a >> customer-requested optimization; I've not seen it mak

Re: Scheduler: Save state at the end of a block

2012-08-13 Thread Maxim Kuvyrkov
On 13/08/2012, at 10:32 PM, Bernd Schmidt wrote: > This is a small patch for sched-rgn that attempts to save DFA state at > the end of a basic block and re-use it in successor blocks. This was a > customer-requested optimization; I've not seen it make much of a > difference in any macro benchmarks

Re: Scheduler: Save state at the end of a block

2012-08-13 Thread Vladimir Makarov
On 08/13/2012 06:32 AM, Bernd Schmidt wrote: This is a small patch for sched-rgn that attempts to save DFA state at the end of a basic block and re-use it in successor blocks. This was a customer-requested optimization; I've not seen it make much of a difference in any macro benchmarks. Bootstrap

Re: Scheduler: Save state at the end of a block

2012-08-13 Thread Andrey Belevantsev
On 13.08.2012 14:32, Bernd Schmidt wrote: This is a small patch for sched-rgn that attempts to save DFA state at the end of a basic block and re-use it in successor blocks. This was a customer-requested optimization; I've not seen it make much of a difference in any macro benchmarks. FWIW, this

Scheduler: Save state at the end of a block

2012-08-13 Thread Bernd Schmidt
This is a small patch for sched-rgn that attempts to save DFA state at the end of a basic block and re-use it in successor blocks. This was a customer-requested optimization; I've not seen it make much of a difference in any macro benchmarks. Bootstrapped and tested on x86_64-linux and also tested