gcc/testsuite/gcc.dg/store_merging_14.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target store_merge } */
   3 /* { dg-options "-O2 -fdump-tree-store-merging" } */
   4
   5 struct S { unsigned int i : 8, a : 7, b : 7, j : 10, c : 15, d : 7, e : 10, f : 7, g : 9, k : 16; unsigned long long h; };
   6
   7 __attribute__((noipa)) void
   8 f1 (struct S *p)
   9 {
  10   p->a = 1;
  11   p->b = 2;
  12   p->c = 3;
  13   p->d = 4;
  14   p->e = 5;
  15   p->f = 6;
  16   p->g = 7;
  17 }
  18
  19 __attribute__((noipa)) void
  20 f2 (struct S *__restrict p, struct S *__restrict q)
  21 {
  22   p->a = q->a;
  23   p->b = q->b;
  24   p->c = q->c;
  25   p->d = q->d;
  26   p->e = q->e;
  27   p->f = q->f;
  28   p->g = q->g;
  29 }
  30
  31 __attribute__((noipa)) void
  32 f3 (struct S *p, struct S *q)
  33 {
  34   unsigned char pa = q->a;
  35   unsigned char pb = q->b;
  36   unsigned short pc = q->c;
  37   unsigned char pd = q->d;
  38   unsigned short pe = q->e;
  39   unsigned char pf = q->f;
  40   unsigned short pg = q->g;
  41   p->a = pa;
  42   p->b = pb;
  43   p->c = pc;
  44   p->d = pd;
  45   p->e = pe;
  46   p->f = pf;
  47   p->g = pg;
  48 }
  49
  50 __attribute__((noipa)) void
  51 f4 (struct S *p, struct S *q)
  52 {
  53   unsigned char pa = p->a | q->a;
  54   unsigned char pb = p->b | q->b;
  55   unsigned short pc = p->c | q->c;
  56   unsigned char pd = p->d | q->d;
  57   unsigned short pe = p->e | q->e;
  58   unsigned char pf = p->f | q->f;
  59   unsigned short pg = p->g | q->g;
  60   p->a = pa;
  61   p->b = pb;
  62   p->c = pc;
  63   p->d = pd;
  64   p->e = pe;
  65   p->f = pf;
  66   p->g = pg;
  67 }
  68
  69 __attribute__((noipa)) void
  70 f5 (struct S *p, struct S *q)
  71 {
  72   unsigned char pa = p->a & q->a;
  73   unsigned char pb = p->b & q->b;
  74   unsigned short pc = p->c & q->c;
  75   unsigned char pd = p->d & q->d;
  76   unsigned short pe = p->e & q->e;
  77   unsigned char pf = p->f & q->f;
  78   unsigned short pg = p->g & q->g;
  79   p->a = pa;
  80   p->b = pb;
  81   p->c = pc;
  82   p->d = pd;
  83   p->e = pe;
  84   p->f = pf;
  85   p->g = pg;
  86 }
  87
  88 __attribute__((noipa)) void
  89 f6 (struct S *p, struct S *q)
  90 {
  91   unsigned char pa = p->a ^ q->a;
  92   unsigned char pb = p->b ^ q->b;
  93   unsigned short pc = p->c ^ q->c;
  94   unsigned char pd = p->d ^ q->d;
  95   unsigned short pe = p->e ^ q->e;
  96   unsigned char pf = p->f ^ q->f;
  97   unsigned short pg = p->g ^ q->g;
  98   p->a = pa;
  99   p->b = pb;
 100   p->c = pc;
 101   p->d = pd;
 102   p->e = pe;
 103   p->f = pf;
 104   p->g = pg;
 105 }
 106
 107 __attribute__((noipa)) void
 108 f7 (struct S *__restrict p, struct S *__restrict q)
 109 {
 110   p->a |= q->a;
 111   p->b |= q->b;
 112   p->c |= q->c;
 113   p->d |= q->d;
 114   p->e |= q->e;
 115   p->f |= q->f;
 116   p->g |= q->g;
 117 }
 118
 119 __attribute__((noipa)) void
 120 f8 (struct S *__restrict p, struct S *__restrict q)
 121 {
 122   p->a &= q->a;
 123   p->b &= q->b;
 124   p->c &= q->c;
 125   p->d &= q->d;
 126   p->e &= q->e;
 127   p->f &= q->f;
 128   p->g &= q->g;
 129 }
 130
 131 __attribute__((noipa)) void
 132 f9 (struct S *__restrict p, struct S *__restrict q)
 133 {
 134   p->a ^= q->a;
 135   p->b ^= q->b;
 136   p->c ^= q->c;
 137   p->d ^= q->d;
 138   p->e ^= q->e;
 139   p->f ^= q->f;
 140   p->g ^= q->g;
 141 }
 142
 143 struct S s = { 72, 20, 21, 73, 22, 23, 24, 25, 26, 74, 27 };
 144 struct S t = { 75, 0x71, 0x72, 76, 0x7f04, 0x78, 0x31, 0x32, 0x34, 77, 0xf1f2f3f4f5f6f7f8ULL };
 145 struct S u = { 78, 28, 29, 79, 30, 31, 32, 33, 34, 80, 35 };
 146 struct S v = { 81, 36, 37, 82, 38, 39, 40, 41, 42, 83, 43 };
 147
 148 int
 149 main ()
 150 {
 151   asm volatile ("" : : : "memory");
 152   f1 (&s);
 153   asm volatile ("" : : : "memory");
 154   if (s.i != 72 || s.a != 1 || s.b != 2 || s.j != 73 || s.c != 3 || s.d != 4
 155       || s.e != 5 || s.f != 6 || s.g != 7 || s.k != 74 || s.h != 27)
 156     __builtin_abort ();
 157   f2 (&s, &u);
 158   asm volatile ("" : : : "memory");
 159   if (s.i != 72 || s.a != 28 || s.b != 29 || s.j != 73 || s.c != 30 || s.d != 31
 160       || s.e != 32 || s.f != 33 || s.g != 34 || s.k != 74 || s.h != 27)
 161     __builtin_abort ();
 162   f3 (&s, &v);
 163   asm volatile ("" : : : "memory");
 164   if (s.i != 72 || s.a != 36 || s.b != 37 || s.j != 73 || s.c != 38 || s.d != 39
 165       || s.e != 40 || s.f != 41 || s.g != 42 || s.k != 74 || s.h != 27)
 166     __builtin_abort ();
 167   f4 (&s, &t);
 168   asm volatile ("" : : : "memory");
 169   if (s.i != 72 || s.a != (36 | 0x71) || s.b != (37 | 0x72) || s.j != 73
 170       || s.c != (38 | 0x7f04) || s.d != (39 | 0x78)
 171       || s.e != (40 | 0x31) || s.f != (41 | 0x32)
 172       || s.g != (42 | 0x34) || s.k != 74 || s.h != 27)
 173     __builtin_abort ();
 174   f3 (&s, &u);
 175   f5 (&s, &t);
 176   asm volatile ("" : : : "memory");
 177   if (s.i != 72 || s.a != (28 & 0x71) || s.b != (29 & 0x72) || s.j != 73
 178       || s.c != (30 & 0x7f04) || s.d != (31 & 0x78)
 179       || s.e != (32 & 0x31) || s.f != (33 & 0x32)
 180       || s.g != (34 & 0x34) || s.k != 74 || s.h != 27)
 181     __builtin_abort ();
 182   f2 (&s, &v);
 183   f6 (&s, &t);
 184   asm volatile ("" : : : "memory");
 185   if (s.i != 72 || s.a != (36 ^ 0x71) || s.b != (37 ^ 0x72) || s.j != 73
 186       || s.c != (38 ^ 0x7f04) || s.d != (39 ^ 0x78)
 187       || s.e != (40 ^ 0x31) || s.f != (41 ^ 0x32)
 188       || s.g != (42 ^ 0x34) || s.k != 74 || s.h != 27)
 189     __builtin_abort ();
 190   f3 (&s, &v);
 191   f7 (&s, &t);
 192   asm volatile ("" : : : "memory");
 193   if (s.i != 72 || s.a != (36 | 0x71) || s.b != (37 | 0x72) || s.j != 73
 194       || s.c != (38 | 0x7f04) || s.d != (39 | 0x78)
 195       || s.e != (40 | 0x31) || s.f != (41 | 0x32)
 196       || s.g != (42 | 0x34) || s.k != 74 || s.h != 27)
 197     __builtin_abort ();
 198   f3 (&s, &u);
 199   f8 (&s, &t);
 200   asm volatile ("" : : : "memory");
 201   if (s.i != 72 || s.a != (28 & 0x71) || s.b != (29 & 0x72) || s.j != 73
 202       || s.c != (30 & 0x7f04) || s.d != (31 & 0x78)
 203       || s.e != (32 & 0x31) || s.f != (33 & 0x32)
 204       || s.g != (34 & 0x34) || s.k != 74 || s.h != 27)
 205     __builtin_abort ();
 206   f2 (&s, &v);
 207   f9 (&s, &t);
 208   asm volatile ("" : : : "memory");
 209   if (s.i != 72 || s.a != (36 ^ 0x71) || s.b != (37 ^ 0x72) || s.j != 73
 210       || s.c != (38 ^ 0x7f04) || s.d != (39 ^ 0x78)
 211       || s.e != (40 ^ 0x31) || s.f != (41 ^ 0x32)
 212       || s.g != (42 ^ 0x34) || s.k != 74 || s.h != 27)
 213     __builtin_abort ();
 214   return 0;
 215 }
 216
 217 /* { dg-final { scan-tree-dump-times "Merging successful" 9 "store-merging" } } */