[linux.git] / scripts / gcc-goto.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Test for gcc 'asm goto' support
# Copyright (C) 2010, Jason Baron <[email protected]>

cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
int main(void)
{
#if defined(__arm__) || defined(__aarch64__)
	/*
	 * 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
Commit	Line	Data
bf5438fc	1	#!/bin/sh
b2441318	2	# SPDX-License-Identifier: GPL-2.0
df0a92c2	3	# Test for gcc 'asm goto' support
bf5438fc JB	4	# Copyright (C) 2010, Jason Baron <[email protected]>
bf5438fc JB	5
a9468f30 RV	6	cat << "END" \| $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
	7	int main(void)
	8	{
f3c003f7	9	#if defined(__arm__) \|\| defined(__aarch64__)
a9468f30 RV	10	/*
	11	* Not related to asm goto, but used by jump label
	12	* and broken on some ARM GCC versions (see GCC Bug 48637).
	13	*/
	14	static struct { int dummy; int state; } tp;
	15	asm (".long %c0" :: "i" (&tp.state));
	16	#endif
	17
	18	entry:
	19	asm goto ("" :::: entry);
	20	return 0;
	21	}
	22	END