gcc/testsuite/gcc.target/mips/unaligned-1.c

   1 /* { dg-options "isa_rev<=5 -mgp64" } */
   2 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   3 /* { dg-final { scan-assembler-times "\tsdl\t" 1 } } */
   4 /* { dg-final { scan-assembler-times "\tsdr\t" 1 } } */
   5 /* { dg-final { scan-assembler-times "\tldl\t" 1 } } */
   6 /* { dg-final { scan-assembler-times "\tldr\t" 1 } } */
   7 /* { dg-final { scan-assembler-times "\tswl\t" 1 } } */
   8 /* { dg-final { scan-assembler-times "\tswr\t" 1 } } */
   9 /* { dg-final { scan-assembler-times "\tlwl\t" 1 } } */
  10 /* { dg-final { scan-assembler-times "\tlwr\t" 1 } } */
  11 /* { dg-final { scan-assembler-not "\tnop" } } */
  12
  13 /* Test to make sure we produce the unaligned load/store for
  14    both 64bit and 32bits sized accesses.  */
  15
  16 struct s
  17 {
  18   char c;
  19   int i;
  20   long long l;
  21 } __attribute__ ((packed)) s __attribute__((aligned(1) ));
  22
  23 NOMIPS16 void
  24 sd (long long l)
  25 {
  26   s.l = l;
  27 }
  28
  29 NOMIPS16 long long
  30 ld ()
  31 {
  32   return s.l;
  33 }
  34
  35 NOMIPS16 void
  36 sw (int i)
  37 {
  38   s.i = i;
  39 }
  40
  41 NOMIPS16 int
  42 lw ()
  43 {
  44   return s.i;
  45 }