search for: fff0c121

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