diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/optimizing/register_allocator.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/optimizing/register_allocator.cc b/compiler/optimizing/register_allocator.cc index 8656ad5..d64e146 100644 --- a/compiler/optimizing/register_allocator.cc +++ b/compiler/optimizing/register_allocator.cc @@ -772,7 +772,10 @@ bool RegisterAllocator::TryAllocateFreeReg(LiveInterval* current) { } else { DCHECK(!current->IsHighInterval()); int hint = current->FindFirstRegisterHint(free_until, liveness_); - if (hint != kNoRegister) { + if ((hint != kNoRegister) + // For simplicity, if the hint we are getting for a pair cannot be used, + // we are just going to allocate a new pair. + && !(current->IsLowInterval() && IsBlocked(GetHighForLowRegister(hint)))) { DCHECK(!IsBlocked(hint)); reg = hint; } else if (current->IsLowInterval()) { |