gcc-goto.sh

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    1 #!/bin/sh
    2 # Test for gcc 'asm goto' support
    3 # Copyright (C) 2010, Jason Baron <jbaron@redhat.com>
    4 
    5 cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
    6 int 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 
   17 entry:
   18         asm goto ("" :::: entry);
   19         return 0;
   20 }
   21 END

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sys/scripts/gcc-goto.sh