Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/sibcall-7.c @ 132:d34655255c78
update gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 10:21:07 +0900 |
parents | 04ced10e8804 |
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/* Simple check that tail recursive call optimization is also controlled by -foptimize-sibling-calls. Copyright (C) 2006 Free Software Foundation Inc. Original test by Hans-Peter Nilsson <hp@bitrange.com> */ /* On IA64 the call frame is allocated on the register stack, not the normal stack. */ /* { dg-do run { target { ! "ia64-*-*" } } } */ /* { dg-options "-O2 -fno-optimize-sibling-calls" } */ extern void abort (void); extern void recurser_void (int); extern void track (int); int main (void) { recurser_void (0); return 0; } void recurser_void (int n) { if (n == 0 || n == 7) track (n); if (n == 10) return; recurser_void (n + 1); } void *trackpoint; void track (int n) { char stackpos[1]; if (n == 0) trackpoint = stackpos; else if (n != 7 || trackpoint == stackpos) abort (); }