From 2d5fec4e65f30764399a4461d908657eb819ef30 Mon Sep 17 00:00:00 2001
From: Richard Guenther <rguenther@suse.de>
Date: Wed, 19 Sep 2012 13:46:34 +0000
Subject: [PATCH] passes.c (init_optimization_passes): For -Og move
pass_object_sizes inbetween CCP and copyprop.
2012-09-19 Richard Guenther <rguenther@suse.de>
* passes.c (init_optimization_passes): For -Og move
pass_object_sizes inbetween CCP and copyprop.
From-SVN: r191476
---
gcc/ChangeLog | 5 +++++
gcc/passes.c | 4 +++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c9d801214eb2..e7c8f9bf6d42 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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.
diff --git a/gcc/passes.c b/gcc/passes.c
index c96d5333efef..97a1d0ec7fda 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
--
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