diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-15 14:43:52 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-15 14:43:52 +0000 |
| commit | 740b4ee736e7ea0cb54e2f0b979cd63f53d4859c (patch) | |
| tree | bf5cf4e1ba69dad64f9c8ad425d4434703d23cd7 | |
| parent | ea8a42cce3d765a8f6c53dc3fa6ec17aac761d7a (diff) | |
| download | gcc-740b4ee736e7ea0cb54e2f0b979cd63f53d4859c.tar.gz | |
2013-11-15 Richard Biener <rguenther@suse.de>
* tree-loop-distribution.c (tree_loop_distribution): Make sure
to distribute all stores.
* gcc.dg/torture/20131115-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204843 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/20131115-1.c | 38 | ||||
| -rw-r--r-- | gcc/tree-loop-distribution.c | 3 |
4 files changed, 48 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5ca6e38e0f7..576d5f7d681 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-11-15 Richard Biener <rguenther@suse.de> + + * tree-loop-distribution.c (tree_loop_distribution): Make sure + to distribute all stores. + 2013-11-15 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> * doc/invoke.texi (-mabi=elfv1, -mabi=elfv2): Document. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d395e736da3..ddfc46a9aa6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2013-11-15 Richard Biener <rguenther@suse.de> + + * gcc.dg/torture/20131115-1.c: New testcase. + 2013-11-15 Joseph Myers <joseph@codesourcery.com> * gcc.dg/cpp/ucnid-9.c: New test. diff --git a/gcc/testsuite/gcc.dg/torture/20131115-1.c b/gcc/testsuite/gcc.dg/torture/20131115-1.c new file mode 100644 index 00000000000..edb05f04c47 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/20131115-1.c @@ -0,0 +1,38 @@ +/* { dg-do run } */ + +struct S { int i; }; +__attribute__((const, noinline, noclone)) +struct S foo (int x) +{ + struct S s; + s.i = x; + return s; +} + +int a[2048], b[2048], c[2048], d[2048]; +struct S e[2048]; + +__attribute__((noinline, noclone)) void +bar (void) +{ + int i; + for (i = 0; i < 1024; i++) + { + e[i] = foo (i); + a[i+2] = a[i] + a[i+1]; + b[10] = b[10] + i; + c[i] = c[2047 - i]; + d[i] = d[i + 1]; + } +} + +int +main () +{ + int i; + bar (); + for (i = 0; i < 1024; i++) + if (e[i].i != i) + __builtin_abort (); + return 0; +} diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 331af04b5fe..075487726f4 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -1724,8 +1724,7 @@ tree_loop_distribution (void) if (stmt_has_scalar_dependences_outside_loop (loop, stmt)) ; /* Otherwise only distribute stores for now. */ - else if (!gimple_assign_single_p (stmt) - || is_gimple_reg (gimple_assign_lhs (stmt))) + else if (!gimple_vdef (stmt)) continue; work_list.safe_push (stmt); |