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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/passes.c4
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c9d8012..e7c8f9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2012-09-19 Richard Guenther <rguenther@suse.de>
+ * passes.c (init_optimization_passes): For -Og move
+ pass_object_sizes inbetween CCP and copyprop.
+
+2012-09-19 Richard Guenther <rguenther@suse.de>
+
* tree-ssa-forwprop.c (get_prop_source_stmt): Simplify.
2012-09-19 Jan Hubicka <jh@suse.cz>
diff --git a/gcc/passes.c b/gcc/passes.c
index c96d533..97a1d0e 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -1528,11 +1528,13 @@ init_optimization_passes (void)
NEXT_PASS (pass_lower_vector_ssa);
/* Perform simple scalar cleanup which is constant/copy propagation. */
NEXT_PASS (pass_ccp);
+ NEXT_PASS (pass_object_sizes);
+ /* Copy propagation also copy-propagates constants, this is necessary
+ to forward object-size results properly. */
NEXT_PASS (pass_copy_prop);
NEXT_PASS (pass_rename_ssa_copies);
NEXT_PASS (pass_dce);
/* Fold remaining builtins. */
- NEXT_PASS (pass_object_sizes);
NEXT_PASS (pass_fold_builtins);
/* ??? We do want some kind of loop invariant motion, but we possibly
need to adjust LIM to be more friendly towards preserving accurate