gcc/testsuite/gcc.target/rx/pr83831.c

   1 /* { dg-do compile }  */
   2 /* { dg-options "-O1" }  */
   3 /* { dg-final { scan-assembler-times "bclr" 6 } }  */
   4 /* { dg-final { scan-assembler-times "bset" 7 } }  */
   5 /* { dg-final { scan-assembler-times "bnot" 7 } }  */
   6
   7 void
   8 test_0 (char* x, unsigned int y)
   9 {
  10   /* Expect 4x bclr here.  */
  11   x[0] &= 0xFE;
  12   x[1] = y & ~(1 << 1);
  13   x[2] &= 0xFE;
  14   x[65000] &= 0xFE;
  15 }
  16
  17 unsigned int
  18 test_1 (unsigned int x, unsigned int y)
  19 {
  20   /* Expect 1x bclr here.  */
  21   return x & ~(1 << y);
  22 }
  23
  24 unsigned int
  25 test_2 (unsigned int x)
  26 {
  27   /* Expect 1x bclr here.  */
  28   return x & ~(1 << 1);
  29 }
  30
  31 void
  32 test_3 (char* x, unsigned int y, unsigned int z)
  33 {
  34   /* Expect 5x bset here.  */
  35   x[0] |= 0x10;
  36   x[1] = y | (1 << 1);
  37   x[2] |= 0x10;
  38   x[65000] |= 0x10;
  39   x[5] |= 1 << z;
  40 }
  41
  42 unsigned int
  43 test_4 (unsigned int x, unsigned int y)
  44 {
  45   /* Expect 1x bset here.  */
  46   return x | (1 << y);
  47 }
  48
  49 unsigned int
  50 test_5 (unsigned int x)
  51 {
  52   /* Expect 1x bset here.  */
  53   return x | (1 << 8);
  54 }
  55
  56 void
  57 test_6 (char* x, unsigned int y, unsigned int z)
  58 {
  59   /* Expect 5x bnot here.  */
  60   x[0] ^= 0x10;
  61   x[1] = y ^ (1 << 1);
  62   x[2] ^= 0x10;
  63   x[65000] ^= 0x10;
  64   x[5] ^= 1 << z;
  65 }
  66
  67 unsigned int
  68 test_7 (unsigned int x, unsigned int y)
  69 {
  70   /* Expect 1x bnot here.  */
  71   return x ^ (1 << y);
  72 }
  73
  74 unsigned int
  75 test_8 (unsigned int x)
  76 {
  77   /* Expect 1x bnot here.  */
  78   return x ^ (1 << 8);
  79 }