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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2005-08-03 13:34:49 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2005-08-03 13:34:49 +0000
commitfb54ef7ccb98fc1c10a1662869dab0a3ab52a35a (patch)
tree1a926b9bc202452ffb1c89f9db59da5c72ea357e /gcc/cfgloop.h
parent136305f40bec39c518bec801bcb454cf483005f3 (diff)
downloadgcc-fb54ef7ccb98fc1c10a1662869dab0a3ab52a35a.tar.gz
* cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Special case profile updating for complette unrolling. * loop-unroll.c (peel_loop_completely): Use it. * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise. (tree_unroll_loops_completely): Disable code growing unrolling of cold loops. * update-conroll.c: New testcase. * update-conroll-2.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102687 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgloop.h')
-rw-r--r--gcc/cfgloop.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 34cebe2ce3c..0bfb8d87a9e 100644
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -298,6 +298,8 @@ extern bool can_duplicate_loop_p (struct loop *loop);
duplicate_loop_to_header_edge. */
#define DLTHE_RECORD_COPY_NUMBER 2 /* Record copy number in the aux
field of newly create BB. */
+#define DLTHE_FLAG_COMPLETTE_PEEL 4 /* Update frequencies expecting
+ a complette peeling. */
extern struct loop * duplicate_loop (struct loops *, struct loop *,
struct loop *);