Displaying 2 results from an estimated 2 matches for "cold_cc".
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cold_99
2010 Oct 20
0
[LLVMdev] llvm register reload/spilling around calls
> The simplest way would probably be to add separate X86ISD opcodes for
> each desired set of call-clobbered registers.
Sounds really gross... Maybe it will be better just to teach codegen
to query single place for the set of call-clobbered registers?
--
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University
2010 Oct 20
4
[LLVMdev] llvm register reload/spilling around calls
On Oct 19, 2010, at 8:00 PM, Jakob Stoklund Olesen wrote:
>
>
> One problem is that calling conventions are handled while building the selection DAG, and the DAG doesn't really know to represent clobbered registers.
>
> Perhaps X86TargetLowering::LowerCall() could decorate the X86ISD::CALL node with the calling convention somehow?
>
> Dan, do you have any thoughts on