gcc/testsuite/gcc.target/s390/load-relative-check.c

   1 /* Check if load-relative instructions are created */
   2 /* { dg-do compile { target { s390*-*-* } } } */
   3 /* { dg-options "-O2 -march=z10 -mzarch" } */
   4
   5 /* { dg-final { scan-assembler "lgfrl\t%r.?,b.4" { target { lp64 } } } } */
   6 /* { dg-final { scan-assembler "lgfrl\t%r.?,s.12" { target { lp64 } } } } */
   7 /* { dg-final { scan-assembler "lgrl\t%r.?,s" { target { lp64 } } } } */
   8
   9 /* { dg-final { scan-assembler "lrl\t%r.?,b.4" { target { ! lp64 } } } } */
  10 /* { dg-final { scan-assembler "lrl\t%r.?,s.8" { target { ! lp64 } } } } */
  11 /* { dg-final { scan-assembler "lrl\t%r.?,s" { target { ! lp64 } } } } */
  12
  13 int b[20];
  14
  15 struct s
  16 {
  17   long a;
  18   int  b;
  19   int  c;
  20 } s;
  21
  22 struct __attribute__((packed)) s2
  23 {
  24   char a;
  25   char b;
  26   char c;
  27 } s2;
  28
  29 char __attribute__((aligned(1))) arr[10];
  30
  31 int foo()
  32   {
  33     return b[1];
  34   }
  35
  36 int bar()
  37   {
  38     return s.c;
  39   }
  40
  41 long bar2()
  42   {
  43     return s.a;
  44   }
  45
  46 int baz()
  47   {
  48     return arr[1];
  49   }