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// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM.
#if defined(TARGET_ARCH_ARM)
#include "vm/compiler/assembler/assembler.h"
#include "vm/compiler/graph_intrinsifier.h"
namespace dart {
namespace compiler {
#define __ assembler->
intptr_t GraphIntrinsifier::ParameterSlotFromSp() {
return -1;
}
void GraphIntrinsifier::IntrinsicCallPrologue(Assembler* assembler) {
COMPILE_ASSERT(IsAbiPreservedRegister(CODE_REG));
COMPILE_ASSERT(IsAbiPreservedRegister(ARGS_DESC_REG));
COMPILE_ASSERT(IsAbiPreservedRegister(CALLEE_SAVED_TEMP));
// Save LR by moving it to a callee saved temporary register.
__ Comment("IntrinsicCallPrologue");
SPILLS_RETURN_ADDRESS_FROM_LR_TO_REGISTER(
__ mov(CALLEE_SAVED_TEMP, Operand(LR)));
}
void GraphIntrinsifier::IntrinsicCallEpilogue(Assembler* assembler) {
// Restore LR.
__ Comment("IntrinsicCallEpilogue");
RESTORES_RETURN_ADDRESS_FROM_REGISTER_TO_LR(
__ mov(LR, Operand(CALLEE_SAVED_TEMP)));
}
#undef __
} // namespace compiler
} // namespace dart
#endif // defined(TARGET_ARCH_ARM)