https://github.com/torvalds/linux
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Tip revision: 19f949f52599ba7c3f67a5897ac6be14bfcb1200 authored by Linus Torvalds on 18 February 2013, 23:58:34 UTC
Linux 3.8
Tip revision: 19f949f
gcc-goto.sh
#!/bin/sh
# Test for gcc 'asm goto' support
# Copyright (C) 2010, Jason Baron <jbaron@redhat.com>

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
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