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2006 May 24
0
[LLVMdev] Re: Spilling register and frame indices
Andrew Lenharth wrote:
> On Tue, 2006-05-23 at 13:04 -0500, Chris Lattner wrote:
>> > That approach sounds suboptimal. By "reserving" one register we can
>> > already cause some values to be spilled, that otherwise would be stored
>> > in register.
>>
>> Right.
>>
>> PowerPC has the same problem in certain cases. For example,
2006 May 23
2
[LLVMdev] Spilling register and frame indices
On Tue, 2006-05-23 at 13:04 -0500, Chris Lattner wrote:
> > That approach sounds suboptimal. By "reserving" one register we can already
> > cause some values to be spilled, that otherwise would be stored in
> > register.
>
> Right.
>
> PowerPC has the same problem in certain cases. For example, vector loads
> only support reg+reg addressing, which