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2011 May 09
0
[LLVMdev] wide memory accesses
On May 9, 2011, at 9:00 AM, Jonas Paulsson wrote:
> Hi,
>
> I am trying to take 16 bit memory reads and combine them to a single 32 bit read. I am having trouble to make the code simply read 32 bytes and the use the subregisters accordingly, without unnecessary copying.
>
> I have tried two techniques, in the MachineFunction:
>
> 1. replace the MachineOperands in the users
2011 May 09
2
[LLVMdev] wide memory accesses
Hi,
I am trying to take 16 bit memory reads and combine them to a single 32 bit read. I am having trouble to make the code simply read 32 bytes and the use the subregisters accordingly, without unnecessary copying.
I have tried two techniques, in the MachineFunction:
1. replace the MachineOperands in the users of the data with the new register/subregister index. This yields an assert failure