aboutsummaryrefslogtreecommitdiff
path: root/gcc/calls.c
diff options
context:
space:
mode:
authorH.J. Lu <hongjiu.lu@intel.com>2008-08-06 15:43:46 +0000
committerH.J. Lu <hjl@gcc.gnu.org>2008-08-06 08:43:46 -0700
commit01973e26724e32e61b3d6d580e2f3479646a5d35 (patch)
treee84199e58cc946b8b39ac0bbb9cb066b09bd3779 /gcc/calls.c
parent46662f25ea011aa367beab9b6dd6276a47c4e48a (diff)
downloadgcc-01973e26724e32e61b3d6d580e2f3479646a5d35.zip
gcc-01973e26724e32e61b3d6d580e2f3479646a5d35.tar.gz
gcc-01973e26724e32e61b3d6d580e2f3479646a5d35.tar.bz2
re PR middle-end/37010 (-mno-accumulate-outgoing-args doesn't work with stack alignment)
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. From-SVN: r138808
Diffstat (limited to 'gcc/calls.c')
-rw-r--r--gcc/calls.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/calls.c b/gcc/calls.c
index d48c0d1..146f251 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;