gcc/testsuite/gcc.target/aarch64/volatileloadpair-1.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   return b + c;
  11 }
  12
  13 int f1(volatile int *a)
  14 {
  15   int b = a[1];
  16   int c = a[0];
  17   return b + c;
  18 }
  19
  20 int f2(volatile int *a)
  21 {
  22   int b = a[1];
  23   int c = a[2];
  24   return b + c;
  25 }
  26
  27 int f3(volatile int *a)
  28 {
  29   int b = a[2];
  30   int c = a[1];
  31   return b + c;
  32 }
  33
  34 int f4(volatile int *a)
  35 {
  36   int b = a[2];
  37   int c = a[3];
  38   return b + c;
  39 }
  40
  41 int f5(volatile int *a)
  42 {
  43   int b = a[3];
  44   int c = a[2];
  45   return b + c;
  46 }