[LLVMdev] [PATCH] increase the max number of physical registers

[Evan Cheng]

On Dec 8, 2009, at 3:31 PM, Jakob Stoklund Olesen wrote:

> 
> On Dec 8, 2009, at 11:33 AM, Evan Cheng wrote:
> 
>> This caused a massive slow down to post-ra scheduler (llc -O3 on x86, -O2 on ARM). I'm going to revert it for now until it has been addressed.
> 
> Probably caused by this member:
> 
>    /// KillIndices - The index of the most recent kill (proceding bottom-up),
>    /// or ~0u if the register is not live.
>    unsigned KillIndices[TargetRegisterInfo::FirstVirtualRegister];
> 
> And this:
> 
>  std::fill(KillIndices, array_endof(KillIndices), ~0u);
> 
> It should probably be dynamically allocated with TRI->getNumRegs() members instead.

Yep. David Goodwin is going to fix it.

Evan

> 
> /jakob
>