https://github.com/torvalds/linux
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Tip revision: a49f0d1ea3ec94fc7cf33a7c36a16343b74bd565 authored by Linus Torvalds on 22 December 2012, 01:19:00 UTC
Linux 3.8-rc1
Tip revision: a49f0d1
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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