diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-11-11 14:22:43 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-11-11 14:22:43 +0000 |
| commit | 4bf96f5e05ee10ae35005850266fb9448099a1cf (patch) | |
| tree | 65037ebab2d96259aa483e1bd38a87a27b451d5b /gcc/ira.c | |
| parent | ad5363b26409a61a53e1e766379ba7e5a9e87880 (diff) | |
| download | gcc-4bf96f5e05ee10ae35005850266fb9448099a1cf.tar.gz | |
PR target/67265
* ira.c (ira_setup_eliminable_regset): Do not necessarily create the
frame pointer for stack checking if non-call exceptions aren't used.
* config/i386/i386.c (ix86_finalize_stack_realign_flags): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230168 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/ira.c b/gcc/ira.c index e16d062e35a..97edf8c4816 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -2259,9 +2259,12 @@ ira_setup_eliminable_regset (void) frame_pointer_needed = (! 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) + /* We need the frame pointer to catch stack overflow exceptions if + the stack pointer is moving (as for the alloca case just above). */ + || (STACK_CHECK_MOVING_SP + && flag_stack_check + && flag_exceptions + && cfun->can_throw_non_call_exceptions) || crtl->accesses_prior_frames || (SUPPORTS_STACK_ALIGNMENT && crtl->stack_realign_needed) /* We need a frame pointer for all Cilk Plus functions that use |