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| author | H.J. Lu <hjl@gcc.gnu.org> | 2008-08-06 08:29:37 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2008-08-06 08:29:37 -0700 |
| commit | e94a448f66945080611074fc7859bea46e6fc688 (patch) | |
| tree | c3135360ae4b38adaeeb7da6a53d15035ce4a458 /gcc/function.h | |
| parent | e088f04bdb2331f7ec6ba0faa4eb2c64982e56c3 (diff) | |
| download | gcc-e94a448f66945080611074fc7859bea46e6fc688.zip gcc-e94a448f66945080611074fc7859bea46e6fc688.tar.gz gcc-e94a448f66945080611074fc7859bea46e6fc688.tar.bz2 | |
re PR middle-end/37009 (No need to align stack when incoming stack is aligned)
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.
From-SVN: r138806
Diffstat (limited to 'gcc/function.h')
| -rw-r--r-- | gcc/function.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/function.h b/gcc/function.h index 1153fb0..eb85e3c 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -339,6 +339,9 @@ struct rtl_data GTY(()) to call other functions. */ unsigned int preferred_stack_boundary; + /* The minimum alignment of parameter stack. */ + unsigned int parm_stack_boundary; + /* The largest alignment of slot allocated on the stack. */ unsigned int max_used_stack_slot_alignment; |