gcc/testsuite/gcc.target/aarch64/volatileloadpair-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* volatile references should not produce load pair. */
   4 /* { dg-final { scan-assembler-not "ldp\t" } } */
   5
   6 int f0(volatile int *a)
   7 {
   8   int b = a[0];
   9   int c = a[1];
  10   int d = a[2];
  11   int e = a[3];
  12   return b + c + d + e;
  13 }
  14
  15 int f1(volatile int *a)
  16 {
  17   int b = a[1];
  18   int c = a[0];
  19   int d = a[2];
  20   int e = a[3];
  21   return b + c + d + e;
  22 }
  23
  24 int f2(volatile int *a)
  25 {
  26   int b = a[1];
  27   int c = a[0];
  28   int d = a[3];
  29   int e = a[2];
  30   return b + c + d + e;
  31 }
  32
  33 int f3(volatile int *a)
  34 {
  35   int b = a[1];
  36   int c = a[3];
  37   int d = a[0];
  38   int e = a[2];
  39   return b + c + d + e;
  40 }
  41
  42 int f4(volatile int *a)
  43 {
  44   int b = a[1];
  45   int c = a[3];
  46   int d = a[2];
  47   int e = a[0];
  48   return b + c + d + e;
  49 }