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| author | Razya Ladelsky <razya@il.ibm.com> | 2007-07-31 08:09:49 +0000 |
|---|---|---|
| committer | Razya Ladelsky <razya@gcc.gnu.org> | 2007-07-31 08:09:49 +0000 |
| commit | 013e926646c2670c030d890125b0256da66fea26 (patch) | |
| tree | e0bc9d5e8ea524eed5012cc4e04fd91ec703771c /gcc/matrix-reorg.c | |
| parent | 06cb4f7988cff376aeafc230dea8e9a8e3e6c0e9 (diff) | |
| download | gcc-013e926646c2670c030d890125b0256da66fea26.zip gcc-013e926646c2670c030d890125b0256da66fea26.tar.gz gcc-013e926646c2670c030d890125b0256da66fea26.tar.bz2 | |
matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring to an unallocated space.
2007-07-31 Razya Ladelsky <razya@il.ibm.com>
* matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring
to an unallocated space.
From-SVN: r127082
Diffstat (limited to 'gcc/matrix-reorg.c')
| -rw-r--r-- | gcc/matrix-reorg.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/matrix-reorg.c b/gcc/matrix-reorg.c index 946690b..46fd6e2 100644 --- a/gcc/matrix-reorg.c +++ b/gcc/matrix-reorg.c @@ -818,11 +818,15 @@ analyze_matrix_allocation_site (struct matrix_info *mi, tree stmt, return; } } - /* This is a call to malloc. Check to see if this is the first - call in this indirection level; if so, mark it; if not, mark - as escaping. */ + /* This is a call to malloc of level 'level'. + mi->max_malloced_level-1 == level means that we've + seen a malloc statement of level 'level' before. + If the statement is not the same one that we've + seen before, then there's another malloc statement + for the same level, which means that we need to mark + it escaping. */ if (mi->malloc_for_level - && mi->malloc_for_level[level] + && mi->max_malloced_level-1 == level && mi->malloc_for_level[level] != stmt) { mark_min_matrix_escape_level (mi, level, stmt); |