// Copyright 2015, VIXL authors
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
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//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
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//     used to endorse or promote products derived from this software without
//     specific prior written permission.
//
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#include "globals-vixl.h"

#include "aarch64/instructions-aarch64.h"
#include "aarch64/macro-assembler-aarch64.h"

using namespace vixl;
using namespace vixl::aarch64;

static const int kDefaultInstructionCount = 100000;

// Bind many branches to the same label, like bench-branch.cc but with a single
// label. This stresses the label-linking mechanisms.
int main(int argc, char* argv[]) {
  int instructions = 0;

  switch (argc) {
    case 1:
      instructions = kDefaultInstructionCount;
      break;
    case 2:
      instructions = atoi(argv[1]);
      break;
    default:
      printf("Usage: %s [#instructions]\n", argv[0]);
      exit(1);
  }

  MacroAssembler masm(instructions * kInstructionSize);
  ExactAssemblyScope scope(&masm, instructions * kInstructionSize);

#define __ masm.

  Label target;
  for (int i = 0; i < instructions; i++) {
    __ b(&target);
  }
  __ bind(&target);

  masm.FinalizeCode();

  return 0;
}