Implement a SIMD spilling slot.
Rationale:
The last ART vectorizer break-out CL \O/
This ensures spilling on x86 and x86_4 is correct.
Also, it paves the way to wider SIMD on ARM and MIPS.
Test: test-art-host
Bug: 34083438
Change-Id: I5b27d18c2045f3ab70b64c335423b3ff2a507ac2
diff --git a/compiler/optimizing/ssa_liveness_analysis.cc b/compiler/optimizing/ssa_liveness_analysis.cc
index c0a045c..36ee5a9 100644
--- a/compiler/optimizing/ssa_liveness_analysis.cc
+++ b/compiler/optimizing/ssa_liveness_analysis.cc
@@ -470,6 +470,8 @@
}
size_t LiveInterval::NumberOfSpillSlotsNeeded() const {
+ // TODO: detect vector operation.
+ // Return number of needed spill slots based on type.
return (type_ == Primitive::kPrimLong || type_ == Primitive::kPrimDouble) ? 2 : 1;
}
@@ -497,6 +499,7 @@
switch (NumberOfSpillSlotsNeeded()) {
case 1: return Location::StackSlot(GetParent()->GetSpillSlot());
case 2: return Location::DoubleStackSlot(GetParent()->GetSpillSlot());
+ case 4: return Location::SIMDStackSlot(GetParent()->GetSpillSlot());
default: LOG(FATAL) << "Unexpected number of spill slots"; UNREACHABLE();
}
} else {