diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/arm/interrupt-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/interrupt-1.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/interrupt-1.c b/gcc/testsuite/gcc.target/arm/interrupt-1.c new file mode 100644 index 000000000..18379de33 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/interrupt-1.c @@ -0,0 +1,23 @@ +/* Verify that prologue and epilogue are correct for functions with + __attribute__ ((interrupt)). */ +/* { dg-do compile } */ +/* { dg-options "-O0" } */ + +/* This test is not valid when -mthumb. We just cheat. */ +#ifndef __thumb__ +extern void bar (int); +extern void foo (void) __attribute__ ((interrupt("IRQ"))); + +void foo () +{ + bar (0); +} +#else +void foo () +{ + asm ("stmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, lr}"); + asm ("ldmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, pc}^"); +} +#endif +/* { dg-final { scan-assembler "stmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, lr}" } } */ +/* { dg-final { scan-assembler "ldmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, pc}\\^" } } */ |