blob: cc8dc4c1994eb19b3e07ef559d7ddffd90344f28 [file] [log] [blame]
// 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;
}
static bool IsABIPreservedRegister(Register reg) {
return ((1 << reg) & kAbiPreservedCpuRegs) != 0;
}
void GraphIntrinsifier::IntrinsicCallPrologue(Assembler* assembler) {
ASSERT(IsABIPreservedRegister(CODE_REG));
ASSERT(IsABIPreservedRegister(ARGS_DESC_REG));
ASSERT(IsABIPreservedRegister(CALLEE_SAVED_TEMP));
// Save LR by moving it to a callee saved temporary register.
assembler->Comment("IntrinsicCallPrologue");
assembler->mov(CALLEE_SAVED_TEMP, Operand(LR));
}
void GraphIntrinsifier::IntrinsicCallEpilogue(Assembler* assembler) {
// Restore LR.
assembler->Comment("IntrinsicCallEpilogue");
assembler->mov(LR, Operand(CALLEE_SAVED_TEMP));
}
#undef __
} // namespace compiler
} // namespace dart
#endif // defined(TARGET_ARCH_ARM)