[llvm-commits] [llvm] r132187 - /llvm/trunk/lib/Target/X86/X86RegisterInfo.td

[Jakob Stoklund Olesen]

On May 27, 2011, at 3:26 PM, Rafael Avila de Espindola wrote:

> On 11-05-27 03:49 PM, Rafael Avila de Espindola wrote:
>> OK, I was able to build a testcase with opt and llc -O0 that regressed
>> because of this.
>> 
>> I will take a look at it and revert if I cannot fix it soon.
> 
> We should be back to the previous behavior in 132224. I could not find how to detect the position of a subregister in a superregister, so for now I just added a fixme about DW_OP_bit_piece.

Thanks, Rafael!

We don't currently model sub-registers accurately enough to determine their bit position in the super-register.

/jakob