summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--scripts/gcc-goto.sh18
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