gcc/testsuite/gcc.target/sh/pr54236-5.c

   1 /* Check that addc and subc instructions are generated as expected in
   2    combination with ifcvt.  */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O2" }  */
   5
   6 /* { dg-final { scan-assembler-times "subc" 4 { target { ! sh2a } } } }  */
   7 /* { dg-final { scan-assembler-times "addc" 4 { target { ! sh2a } } } }  */
   8 /* { dg-final { scan-assembler-times "not\t" 0 { target { ! sh2a } } } }  */
   9
  10 /* { dg-final { scan-assembler-times "subc" 4 { target { sh2a } } } }  */
  11 /* { dg-final { scan-assembler-times "addc" 4 { target { sh2a } } } }  */
  12 /* { dg-final { scan-assembler-times "nott" 0 { target { sh2a } } } }  */
  13
  14 /* { dg-final { scan-assembler-times "tst\t" 4 } }  */
  15 /* { dg-final { scan-assembler-times "cmp/eq" 1 } }  */
  16 /* { dg-final { scan-assembler-times "cmp/pl" 2 } }  */
  17 /* { dg-final { scan-assembler-times "cmp/gt" 1 } }  */
  18
  19 /* { dg-final { scan-assembler-not "movt" } }  */
  20 /* { dg-final { scan-assembler-not "negc" } }  */
  21 /* { dg-final { scan-assembler-not "movrt" } }  */
  22
  23 int
  24 test_00 (int x, int y)
  25 {
  26   /* 1x tst, 1x subc  */
  27   if (y)
  28     ++x;
  29   return x;
  30 }
  31
  32 int
  33 test_01 (int x, int y)
  34 {
  35   /* 1x tst, 1x addc  */
  36   if (y)
  37     --x;
  38   return x;
  39 }
  40
  41 int
  42 test_02 (int x, int y)
  43 {
  44   /* 1x tst, 1x addc  */
  45   if (!y)
  46     ++x;
  47   return x;
  48 }
  49
  50 int
  51 test_03 (int x, int y)
  52 {
  53   /* 1x tst, 1x subc  */
  54   if (!y)
  55     --x;
  56   return x;
  57 }
  58
  59 int
  60 test_04 (int x, int y)
  61 {
  62   /* 1x cmp/eq, 1x addc  */
  63   if (y == x)
  64     ++x;
  65   return x;
  66 }
  67
  68 int
  69 test_05 (int x, int y)
  70 {
  71   /* 1x cmp/gt, 1x subc  */
  72   if (y < 4)
  73     ++x;
  74   return x;
  75 }
  76
  77 int
  78 test_06 (int x)
  79 {
  80   /* 1x cmp/pl, 1x addc  */
  81   return x > 0 ? x + 1 : x;
  82 }
  83
  84 int
  85 test_07 (int x)
  86 {
  87   /* 1x cmp/pl, 1x subc  */
  88   return x > 0 ? x - 1 : x;
  89 }