assembler_aarch64.inline.hpp

/*
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 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#ifndef CPU_AARCH64_ASSEMBLER_AARCH64_INLINE_HPP
#define CPU_AARCH64_ASSEMBLER_AARCH64_INLINE_HPP

#include "asm/assembler.inline.hpp"
#include "asm/codeBuffer.hpp"
#include "code/codeCache.hpp"


inline bool Address::offset_ok_for_immed(int64_t offset, uint shift) {
  uint mask = (1 << shift) - 1;
  if (offset < 0 || (offset & mask) != 0) {
    // Unscaled signed offset, encoded in a signed imm9 field.
    return Assembler::is_simm9(offset);
  } else {
    // Scaled unsigned offset, encoded in an unsigned imm12:_ field.
    return Assembler::is_uimm12(offset >> shift);
  }
}

#endif // CPU_AARCH64_ASSEMBLER_AARCH64_INLINE_HPP