diff options
Diffstat (limited to 'scripts/gcc-goto.sh')
| -rw-r--r-- | scripts/gcc-goto.sh | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh index 98cffcb941ea..a2af2e88daf3 100644 --- a/scripts/gcc-goto.sh +++ b/scripts/gcc-goto.sh | |||
| @@ -2,4 +2,20 @@ | |||
| 2 | # Test for gcc 'asm goto' support | 2 | # Test for gcc 'asm goto' support |
| 3 | # Copyright (C) 2010, Jason Baron <jbaron@redhat.com> | 3 | # Copyright (C) 2010, Jason Baron <jbaron@redhat.com> |
| 4 | 4 | ||
| 5 | echo "int main(void) { entry: asm goto (\"\"::::entry); return 0; }" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" | 5 | cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" |
| 6 | int main(void) | ||
| 7 | { | ||
| 8 | #ifdef __arm__ | ||
| 9 | /* | ||
| 10 | * Not related to asm goto, but used by jump label | ||
| 11 | * and broken on some ARM GCC versions (see GCC Bug 48637). | ||
| 12 | */ | ||
| 13 | static struct { int dummy; int state; } tp; | ||
| 14 | asm (".long %c0" :: "i" (&tp.state)); | ||
| 15 | #endif | ||
| 16 | |||
| 17 | entry: | ||
| 18 | asm goto ("" :::: entry); | ||
| 19 | return 0; | ||
| 20 | } | ||
| 21 | END | ||
