1  /* Verify that the SH2A clips and clipu instructions are generated as
       2     expected.  */
       3  /* { dg-do compile { target { sh2a } } }  */
       4  /* { dg-options "-O2" } */
       5  /* { dg-final { scan-assembler-times "clips.b" 2 } } */
       6  /* { dg-final { scan-assembler-times "clips.w" 2 } } */
       7  /* { dg-final { scan-assembler-times "clipu.b" 2 } } */
       8  /* { dg-final { scan-assembler-times "clipu.w" 2 } } */
       9  
      10  static inline int
      11  min (int a, int b)
      12  {
      13    return a < b ? a : b;
      14  }
      15  
      16  static inline int
      17  max (int a, int b)
      18  {
      19    return a < b ? b : a;
      20  }
      21  
      22  int
      23  test_00 (int a)
      24  {
      25    /* 1x clips.b  */
      26    return max (-128, min (127, a));
      27  }
      28  
      29  int
      30  test_01 (int a)
      31  {
      32    /* 1x clips.b  */
      33    return min (127, max (-128, a));
      34  }
      35  
      36  int
      37  test_02 (int a)
      38  {
      39    /* 1x clips.w  */
      40    return max (-32768, min (32767, a));
      41  }
      42  
      43  int
      44  test_03 (int a)
      45  {
      46    /* 1x clips.w  */
      47    return min (32767, max (-32768, a));
      48  }
      49  
      50  unsigned int
      51  test_04 (unsigned int a)
      52  {
      53    /* 1x clipu.b  */
      54    return a > 255 ? 255 : a;
      55  }
      56  
      57  unsigned int
      58  test_05 (unsigned int a)
      59  {
      60    /* 1x clipu.b  */
      61    return a >= 255 ? 255 : a;
      62  }
      63  
      64  unsigned int
      65  test_06 (unsigned int a)
      66  {
      67    /* 1x clipu.w  */
      68    return a > 65535 ? 65535 : a;
      69  }
      70  
      71  unsigned int
      72  test_07 (unsigned int a)
      73  {
      74    /* 1x clipu.w  */
      75    return a >= 65535 ? 65535 : a;
      76  }
      77  
      78  void
      79  test_08 (unsigned short a, unsigned short b, unsigned int* r)
      80  {
      81    /* Must not see a clip insn here -- it is not needed.  */
      82    unsigned short x = a + b;
      83    if (x > 65535)
      84      x = 65535;
      85    *r = x;
      86  }