| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| /* { dg-final { scan-assembler-not "ldwio" } } */ | |
| /* { dg-final { scan-assembler-not "stwio" } } */ | |
| /* Make sure the default behavior is not to generate I/O variants of | |
| the load and stores to foo. */ | |
| extern volatile int foo; | |
| int | |
| read_foo (void) | |
| { | |
| return foo; | |
| } | |
| void | |
| write_foo (int x) | |
| { | |
| foo = x; | |
| } |