diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-06 15:43:46 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-08-06 15:43:46 +0000 |
| commit | 755ece1f7308998afbce633136284a1353675ced (patch) | |
| tree | e84199e58cc946b8b39ac0bbb9cb066b09bd3779 /gcc/calls.c | |
| parent | 16a3f6b8532247ff67b23250c5bf588f6138cd07 (diff) | |
| download | gcc-755ece1f7308998afbce633136284a1353675ced.tar.gz | |
gcc/
2008-08-06 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/37010
* calls.c (expand_call): Use the biggest preferred stack
boundary.
gcc/testsuite/
2008-08-06 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/37010
* gcc.dg/torture/stackalign/push-1.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138808 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index d48c0d15654..146f251d510 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -2319,10 +2319,13 @@ expand_call (tree exp, rtx target, int ignore) || !lang_hooks.decls.ok_for_sibcall (fndecl)) try_tail_call = 0; - /* Ensure current function's preferred stack - boundary is at least what we need. */ + /* Ensure current function's preferred stack boundary is at least + what we need. Stack alignment may also increase preferred stack + boundary. */ if (crtl->preferred_stack_boundary < preferred_stack_boundary) crtl->preferred_stack_boundary = preferred_stack_boundary; + else + preferred_stack_boundary = crtl->preferred_stack_boundary; preferred_unit_stack_boundary = preferred_stack_boundary / BITS_PER_UNIT; |