Change 1/2 spill slots to more general number of spill slots.

Rationale:
This prepares requesting a different number of spill slots
during SIMD vectorization.

Bug: 34083438
Test: test-art-host, test-art-host-gtest-register_allocator_test
Change-Id: I6d22966ba483deec72b5eea5061c403c12b2ada7

1 files changed, 3 insertions, 3 deletions

diff --git a/compiler/optimizing/ssa_liveness_analysis.h b/compiler/optimizing/ssa_liveness_analysis.h
index 340d0ccefe..e9dffc1fac 100644
--- a/compiler/optimizing/ssa_liveness_analysis.h
+++ b/compiler/optimizing/ssa_liveness_analysis.h
@@ -762,9 +762,9 @@ class LiveInterval : public ArenaObject<kArenaAllocSsaLiveness> {
   // Returns kNoRegister otherwise.
   int FindHintAtDefinition() const;
 
-  // Returns whether the interval needs two (Dex virtual register size `kVRegSize`)
-  // slots for spilling.
-  bool NeedsTwoSpillSlots() const;
+  // Returns the number of required spilling slots (measured as a multiple of the
+  // Dex virtual register size `kVRegSize`).
+  size_t NumberOfSpillSlotsNeeded() const;
 
   bool IsFloatingPoint() const {
     return type_ == Primitive::kPrimFloat || type_ == Primitive::kPrimDouble;