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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-12-03 22:40:58 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-12-03 22:40:58 +0000 |
| commit | 3846bf0cad1b5566578bb5904a027a82b71b3a3a (patch) | |
| tree | 8ce0b0e15aa050323e8012a0063c5c522e24d2b1 /gcc/expr.c | |
| parent | fada5e3d8211e2ab58beb0d0e61425fdc44b0f29 (diff) | |
| download | gcc-3846bf0cad1b5566578bb5904a027a82b71b3a3a.tar.gz | |
* expr.c (store_constructor): Only set RTX_UNCHANGING_P for
read-only field if cleared is 0.
* gcc.dg/20031202-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@74251 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index c01378515f6..2f58cd2a236 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -4643,7 +4643,10 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size) highest_pow2_factor (offset)); } - if (TREE_READONLY (field)) + /* If the constructor has been cleared, setting RTX_UNCHANGING_P + on the MEM might lead to scheduling the clearing after the + store. */ + if (TREE_READONLY (field) && !cleared) { if (GET_CODE (to_rtx) == MEM) to_rtx = copy_rtx (to_rtx); |