riscv64: [codegen] Implement VisitNeg
Test: m test-art-host-gtest
Bug: 283082089
Change-Id: I6b9958a37324982fda62fdb3f450fc36726d1e20
diff --git a/compiler/optimizing/code_generator_riscv64.cc b/compiler/optimizing/code_generator_riscv64.cc
index c842201..9d74d15 100644
--- a/compiler/optimizing/code_generator_riscv64.cc
+++ b/compiler/optimizing/code_generator_riscv64.cc
@@ -2420,13 +2420,51 @@
}
void LocationsBuilderRISCV64::VisitNeg(HNeg* instruction) {
- UNUSED(instruction);
- LOG(FATAL) << "Unimplemented";
+ LocationSummary* locations = new (GetGraph()->GetAllocator()) LocationSummary(instruction);
+ switch (instruction->GetResultType()) {
+ case DataType::Type::kInt32:
+ case DataType::Type::kInt64:
+ locations->SetInAt(0, Location::RequiresRegister());
+ locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
+ break;
+
+ case DataType::Type::kFloat32:
+ case DataType::Type::kFloat64:
+ locations->SetInAt(0, Location::RequiresFpuRegister());
+ locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
+ break;
+
+ default:
+ LOG(FATAL) << "Unexpected neg type " << instruction->GetResultType();
+ UNREACHABLE();
+ }
}
void InstructionCodeGeneratorRISCV64::VisitNeg(HNeg* instruction) {
- UNUSED(instruction);
- LOG(FATAL) << "Unimplemented";
+ LocationSummary* locations = instruction->GetLocations();
+ switch (instruction->GetResultType()) {
+ case DataType::Type::kInt32:
+ __ NegW(locations->Out().AsRegister<XRegister>(), locations->InAt(0).AsRegister<XRegister>());
+ break;
+
+ case DataType::Type::kInt64:
+ __ Neg(locations->Out().AsRegister<XRegister>(), locations->InAt(0).AsRegister<XRegister>());
+ break;
+
+ case DataType::Type::kFloat32:
+ __ FNegS(locations->Out().AsFpuRegister<FRegister>(),
+ locations->InAt(0).AsFpuRegister<FRegister>());
+ break;
+
+ case DataType::Type::kFloat64:
+ __ FNegD(locations->Out().AsFpuRegister<FRegister>(),
+ locations->InAt(0).AsFpuRegister<FRegister>());
+ break;
+
+ default:
+ LOG(FATAL) << "Unexpected neg type " << instruction->GetResultType();
+ UNREACHABLE();
+ }
}
void LocationsBuilderRISCV64::VisitNewArray(HNewArray* instruction) {