diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/attr-isr.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/attr-isr.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/attr-isr.c b/gcc/testsuite/gcc.dg/attr-isr.c new file mode 100644 index 000000000..1373c15f4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/attr-isr.c @@ -0,0 +1,20 @@ +/* { dg-do compile { target { { { sh-*-* sh[1234ble]*-*-* } && { ! sh2a*-*-* } } && nonpic } } } */ +/* { dg-skip-if "" { "sh*-*-*" } { "-m2a*" } { "" } } */ +/* { dg-options "-O" } */ +extern void foo (); + +void +(__attribute ((interrupt_handler)) isr)() +{ + foo (); +} + +/* { dg-final { scan-assembler-times "rte" 1} } */ +/* The call will clobber r0..r7, which will need not be saved/restored. + One of these registers will do fine to hold the function address, + hence the all-saved registers r8..r13 don't need to be restored. */ +/* { dg-final { scan-assembler-times "r15\[+\],\[ \t\]*r\[0-9\]\[ \t\]*\n" 8 } } */ +/* { dg-final { scan-assembler-times "\[^f\]r\[0-9\]\[ \t\]*," 8 } } */ +/* { dg-final { scan-assembler-not "\[^f\]r1\[0-3\]" } } */ +/* { dg-final { scan-assembler-times "macl" 2} } */ +/* { dg-final { scan-assembler-not "rte.*\n.*r15\[+\],r\[0-7\]\n" } } */ |