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| author | David S. Miller <davem@davemloft.net> | 2012-04-13 13:32:07 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-13 13:32:07 -0700 |
| commit | 3423166fdbc2444bf3a4a27af1d7508364a17be7 (patch) | |
| tree | 0a42bd5fbe6bcca79802bf1ec5af6acf12aadd82 /scripts/gcc-goto.sh | |
| parent | e9b57cca3dbdc7a0b90514af8bf613baf97105a5 (diff) | |
| parent | 7d93101fc71ec47c7cc66ac99f76ef795c5207aa (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
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 @@ # Test for gcc 'asm goto' support # Copyright (C) 2010, Jason Baron <jbaron@redhat.com> -echo "int main(void) { entry: asm goto (\"\"::::entry); return 0; }" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" +cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" +int main(void) +{ +#ifdef __arm__ + /* + * Not related to asm goto, but used by jump label + * and broken on some ARM GCC versions (see GCC Bug 48637). + */ + static struct { int dummy; int state; } tp; + asm (".long %c0" :: "i" (&tp.state)); +#endif + +entry: + asm goto ("" :::: entry); + return 0; +} +END |