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100829
2010 Feb 22
5
[LLVMdev] Paired register allocation problem
Hi Anton,
Thanks for reply
> I have defined registers, aliases and subregister set.
> > The problem is that register allocator is using 32bit registers that are
> > already used in a pair, for example:
> > lw $r0, 16[$r12] // load word to r0
> > ld $p0, 36[$r12] // load doubleword to p0
> > shl $p0, $p0, $r0 // shift left p0 by r0 and store result in p0