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| author | Bingfeng Mei <bmei@broadcom.com> | 2009-01-21 11:39:19 +0000 |
|---|---|---|
| committer | Revital Eres <revitale@gcc.gnu.org> | 2009-01-21 11:39:19 +0000 |
| commit | 71a6fe66e7292912deda846c123134d2c43d43e1 (patch) | |
| tree | 9f0d4349fb3beba6fbbe170f65b83dc48644a965 /gcc/ddg.c | |
| parent | 954a782e53528ecd7cf7dac4f68506ab74d629c2 (diff) | |
| download | gcc-71a6fe66e7292912deda846c123134d2c43d43e1.zip gcc-71a6fe66e7292912deda846c123134d2c43d43e1.tar.gz gcc-71a6fe66e7292912deda846c123134d2c43d43e1.tar.bz2 | |
check alias sets in add_inter_loop_mem_dep
From-SVN: r143540
Diffstat (limited to 'gcc/ddg.c')
| -rw-r--r-- | gcc/ddg.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -345,6 +345,10 @@ build_inter_loop_deps (ddg_ptr g) static void add_inter_loop_mem_dep (ddg_ptr g, ddg_node_ptr from, ddg_node_ptr to) { + if (!insn_alias_sets_conflict_p (from->insn, to->insn)) + /* Do not create edge if memory references have disjoint alias sets. */ + return; + if (mem_write_insn_p (from->insn)) { if (mem_read_insn_p (to->insn)) |