gcc/testsuite/gcc.target/arm/volatile-bitfields-1.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_eabi } */
   3 /* { dg-options "-O2" } */
   4
   5 typedef struct {
   6   char a:1;
   7   char b:7;
   8   int c;
   9 } BitStruct;
  10
  11 volatile BitStruct bits;
  12
  13 int foo ()
  14 {
  15   return bits.b;
  16 }
  17
  18 /* { dg-final { scan-assembler "ldrb\[\\t \]+\[^\n\]*,\[\\t \]*\\\[\[^\n\]*\\\]" } } */