diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /scripts/gcc-goto.sh | |
Diffstat (limited to 'scripts/gcc-goto.sh')
| -rw-r--r-- | scripts/gcc-goto.sh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh new file mode 100644 index 00000000..c9469d34 --- /dev/null +++ b/scripts/gcc-goto.sh @@ -0,0 +1,21 @@ +#!/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) +{ +#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 |