Root/scripts/gcc-goto.sh

Source at commit cdde9cf73945d547acd3e96f9508c79e84ad0bf1 created 9 years 4 months ago.
By Maarten ter Huurne, MMC: JZ4740: Added support for CPU frequency changing
1#!/bin/sh
2# Test for gcc 'asm goto' support
3# Copyright (C) 2010, Jason Baron <jbaron@redhat.com>
4
5cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
6int main(void)
7{
8#ifdef __arm__
9    /*
10     * Not related to asm goto, but used by jump label
11     * and broken on some ARM GCC versions (see GCC Bug 48637).
12     */
13    static struct { int dummy; int state; } tp;
14    asm (".long %c0" :: "i" (&tp.state));
15#endif
16
17entry:
18    asm goto ("" :::: entry);
19    return 0;
20}
21END
22

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