diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/m68k/interrupt_thread-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/m68k/interrupt_thread-1.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/m68k/interrupt_thread-1.c b/gcc/testsuite/gcc.target/m68k/interrupt_thread-1.c new file mode 100644 index 000000000..ee7179cd4 --- /dev/null +++ b/gcc/testsuite/gcc.target/m68k/interrupt_thread-1.c @@ -0,0 +1,43 @@ +/* { dg-do compile } */ +/* { dg-options "-mcpu=fidoa -O2 -fomit-frame-pointer" } */ + +/* Check that interrupt_thread attribute works. */ + +#ifdef __mfido__ +extern void foo (void) __attribute__ ((interrupt_thread)); + +int a, b, c, d; + +void bar (void); + +void +foo (void) +{ + int w, x, y, z; + + w = a; + x = b; + y = c; + z = d; + + bar (); + + a = w; + b = x; + c = y; + d = z; +} +#else +/* If the current mutilib is, say, -mcpu=5485, the compiler gets + -mcpu=fidoa -mcpu=5485, where -mcpu=fidoa is overridden. In that + case, we just print out "sleep" in the assembly file and pretend + that everything is all right. */ +asm ("sleep"); +#endif + +/* "sleep" should be generated in place of "rts". */ +/* { dg-final { scan-assembler-times "sleep" 1 } } */ +/* { dg-final { scan-assembler-times "rts" 0 } } */ + +/* There should be no stack adjustment. */ +/* { dg-final { scan-assembler-times "sp" 0 } } */ |