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[Bug middle-end/37009] No need to align stack when incoming stack is aligned
- From: "hjl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Aug 2008 15:30:56 -0000
- Subject: [Bug middle-end/37009] No need to align stack when incoming stack is aligned
- References: <bug-37009-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hjl at gcc dot gnu dot org 2008-08-06 15:30 -------
Subject: Bug 37009
Author: hjl
Date: Wed Aug 6 15:29:37 2008
New Revision: 138806
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138806
Log:
gcc/
2008-08-06 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/37009
* cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
for incoming stack boundary.
* function.c (assign_parm_find_entry_rtl): Update
parm_stack_boundary.
* function.h (rtl_data): Add parm_stack_boundary.
* config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
parm_stack_boundary for incoming stack boundary.
gcc/testsuite/
2008-08-06 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/37009
* gcc.dg/torture/stackalign/alloca-2.c: New.
* gcc.dg/torture/stackalign/alloca-3.c: Likewise.
* gcc.dg/torture/stackalign/alloca-4.c: Likewise.
* gcc.dg/torture/stackalign/vararg-3.c: Likewise.
* gcc.target/i386/incoming-1.c: Likewise.
* gcc.target/i386/incoming-2.c: Likewise.
* gcc.target/i386/incoming-3.c: Likewise.
* gcc.target/i386/incoming-4.c: Likewise.
* gcc.target/i386/incoming-5.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/stackalign/alloca-2.c
trunk/gcc/testsuite/gcc.dg/torture/stackalign/alloca-3.c
trunk/gcc/testsuite/gcc.dg/torture/stackalign/alloca-4.c
trunk/gcc/testsuite/gcc.dg/torture/stackalign/vararg-3.c
trunk/gcc/testsuite/gcc.target/i386/incoming-1.c
trunk/gcc/testsuite/gcc.target/i386/incoming-2.c
trunk/gcc/testsuite/gcc.target/i386/incoming-3.c
trunk/gcc/testsuite/gcc.target/i386/incoming-4.c
trunk/gcc/testsuite/gcc.target/i386/incoming-5.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgexpand.c
trunk/gcc/config/i386/i386.c
trunk/gcc/function.c
trunk/gcc/function.h
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37009