| /* { dg-do compile } */ | |
| /* { dg-options "-fstrict-volatile-bitfields -fdump-rtl-final" } */ | |
| #define PERIPH (*(volatile struct system_periph *)0x81234) | |
| struct system_periph { | |
| union { | |
| unsigned short WORD; | |
| struct { | |
| unsigned short a:1; | |
| unsigned short b:1; | |
| unsigned short :5; | |
| unsigned short c:1; | |
| unsigned short :8; | |
| } BIT; | |
| } ALL; | |
| } __attribute__((aligned(2))); | |
| void | |
| foo() | |
| { | |
| while (1) | |
| { | |
| PERIPH.ALL.BIT.a = 1; | |
| } | |
| } | |
| /* { dg-final { scan-rtl-dump-times "mem/v(/.)*:HI" 4 "final" } } */ |