Displaying 2 results from an estimated 2 matches for "fff0c121".
2009 Oct 20
0
[LLVMdev] request for help writing a register allocator
<ccing llvmdev>
On Oct 20, 2009, at 12:46 PM, Susan Horwitz wrote:
> On Tue, 20 Oct 2009, Chris Lattner wrote:
>
>> Each virtual register has an assigned register class. However,
>> register classes relate to each other, and the machine IR also has
>> subreg references. For example, this is how X86 handles AL/AX/EAX/
>> RAX all aliasing each other. In
2009 Oct 20
7
[LLVMdev] request for help writing a register allocator
Hi Susan,
> You may find the PBQP allocator implementation useful as a reference
> to what's involved in adding a new allocator to LLVM. It's located in
> lib/CodeGen/RegAllocPBQP.cpp, with supporting files in the lib/CodeGen/
> PBQP directory.
>
Yes - as far as working allocators go PBQP is pretty simple. If you're just
interested in LLVM API details you can focus on