mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 05:29:24 +00:00
Add some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
c985d828bc
commit
c8e2c5561c
@ -539,6 +539,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
|
||||
|
||||
DEBUG(std::cerr << "\tassigning stack slot at interval "<< *cur << ":\n");
|
||||
|
||||
// Find a register to spill.
|
||||
float minWeight = float(HUGE_VAL);
|
||||
unsigned minReg = 0;
|
||||
for (TargetRegisterClass::iterator i = RC->allocation_order_begin(*mf_),
|
||||
@ -549,6 +550,9 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
|
||||
minReg = reg;
|
||||
}
|
||||
}
|
||||
|
||||
// If we didn't find a register that is spillable, try aliases?
|
||||
|
||||
// FIXME: assert(minReg && "Didn't find any reg!");
|
||||
DEBUG(std::cerr << "\t\tregister with min weight: "
|
||||
<< mri_->getName(minReg) << " (" << minWeight << ")\n");
|
||||
|
Loading…
Reference in New Issue
Block a user