diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-02-03 11:55:29 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-02-03 11:55:29 +0000 |
| commit | 4a169b5e5d16879f447e71dfb4de0acfb6e46272 (patch) | |
| tree | 0a70c4a8c3ca9a7bc72b852791b251af8f8bafc2 /gcc/loop-unswitch.c | |
| parent | 3b5dc11547a66e2986d16009b01b9c033fb16791 (diff) | |
| download | gcc-4a169b5e5d16879f447e71dfb4de0acfb6e46272.tar.gz | |
PR rtl-optimization/52092
* loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
on get_iv_value result.
* gcc.c-torture/compile/pr52092.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183869 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop-unswitch.c')
| -rw-r--r-- | gcc/loop-unswitch.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/loop-unswitch.c b/gcc/loop-unswitch.c index 77524d8bfe3..78da1154299 100644 --- a/gcc/loop-unswitch.c +++ b/gcc/loop-unswitch.c @@ -1,5 +1,5 @@ /* Loop unswitching for GNU compiler. - Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 + Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2012 Free Software Foundation, Inc. This file is part of GCC. @@ -367,7 +367,7 @@ unswitch_single_loop (struct loop *loop, rtx cond_checked, int num) fprintf (dump_file, ";; Unswitching loop\n"); /* Unswitch the loop on this condition. */ - nloop = unswitch_loop (loop, bbs[i], cond, cinsn); + nloop = unswitch_loop (loop, bbs[i], copy_rtx_if_shared (cond), cinsn); gcc_assert (nloop); /* Invoke itself on modified loops. */ |