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| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-06 22:51:05 +0000 |
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| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-06 22:51:05 +0000 |
| commit | e1647522f93999450cc558341bb2066ca26e070f (patch) | |
| tree | ec9704394836b7bb5123d7d8c1d9647eace77c5d /gcc/ira.c | |
| parent | 035ef3e66f39f67a3fab95825e0fbc750bc8160d (diff) | |
| download | gcc-e1647522f93999450cc558341bb2066ca26e070f.tar.gz | |
2009-11-06 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 153975
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@153981 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/ira.c b/gcc/ira.c index 962d0994c36..a3e899f8313 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -1442,6 +1442,9 @@ ira_setup_eliminable_regset (void) int need_fp = (! flag_omit_frame_pointer || (cfun->calls_alloca && EXIT_IGNORE_STACK) + /* We need the frame pointer to catch stack overflow exceptions + if the stack pointer is moving. */ + || (flag_stack_check && STACK_CHECK_MOVING_SP) || crtl->accesses_prior_frames || crtl->stack_realign_needed || targetm.frame_pointer_required ()); |