blob: 58c02b2de4a8885dbccb82ecb3a9a4235bfb096a [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_X64.
#if defined(TARGET_ARCH_X64)
#include "vm/compiler/assembler/assembler.h"
#include "vm/compiler/graph_intrinsifier.h"
namespace dart {
namespace compiler {
#define __ assembler->
intptr_t GraphIntrinsifier::ParameterSlotFromSp() {
return 0;
}
static bool IsABIPreservedRegister(Register reg) {
return ((1 << reg) & CallingConventions::kCalleeSaveCpuRegisters) != 0;
}
void GraphIntrinsifier::IntrinsicCallPrologue(Assembler* assembler) {
ASSERT(IsABIPreservedRegister(CODE_REG));
ASSERT(!IsABIPreservedRegister(ARGS_DESC_REG));
ASSERT(IsABIPreservedRegister(CALLEE_SAVED_TEMP));
ASSERT(CALLEE_SAVED_TEMP != CODE_REG);
ASSERT(CALLEE_SAVED_TEMP != ARGS_DESC_REG);
assembler->Comment("IntrinsicCallPrologue");
assembler->movq(CALLEE_SAVED_TEMP, ARGS_DESC_REG);
}
void GraphIntrinsifier::IntrinsicCallEpilogue(Assembler* assembler) {
assembler->Comment("IntrinsicCallEpilogue");
assembler->movq(ARGS_DESC_REG, CALLEE_SAVED_TEMP);
}
#undef __
} // namespace compiler
} // namespace dart
#endif // defined(TARGET_ARCH_X64)