[llvm-commits] r64000 breaks PIC16

sanjiv gupta sanjiv.gupta at microchip.com
Tue Feb 10 19:58:26 PST 2009


On Tue, 2009-02-10 at 12:24 -0800, Dan Gohman wrote:
> On Feb 10, 2009, at 11:00 AM, sanjiv gupta wrote:
> > The correct assembly is: (as per r63998)
> [snip]
> >
> > The incorrect assembly is : (as per r64000)
> 
> [snip]
> 
> It looks like 63999, enabling sinking, is more likely to be the  
> revision that
> introduces the change.  If it is, can you check to see if the problem  
> is fixed
> in the latest trunk?
> 
> Dan
> 
Dan,
It still breaks as per 64285.

I have attached a .bc file.
The problem with the generated assembly is that the branch (.blt) is
happening before the test (subwf) insn.


- Sanjiv

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