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-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/testsuite/ChangeLog3
-rw-r--r--gcc/testsuite/gfortran.dg/loop_nest_1.f909
-rw-r--r--gcc/tree-loop-linear.c4
4 files changed, 18 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 59bafdec7ff..ace6a48e3f9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
2006-10-06 Jakub Jelinek <jakub@redhat.com>
+ PR tree-optimization/29290
+ * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
+ multiple exits.
+
PR target/29198
* config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
* config/i386/predicates.md (local_symbolic_operand): Likewise.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5027cb4f571..4754970e48c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
2006-10-06 Jakub Jelinek <jakub@redhat.com>
+ PR tree-optimization/29290
+ * gfortran.dg/loop_nest_1.f90: New test.
+
PR target/29198
* gcc.dg/tls/opt-12.c: New test.
diff --git a/gcc/testsuite/gfortran.dg/loop_nest_1.f90 b/gcc/testsuite/gfortran.dg/loop_nest_1.f90
new file mode 100644
index 00000000000..8968d88c470
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/loop_nest_1.f90
@@ -0,0 +1,9 @@
+! PR tree-optimization/29290
+! { dg-do compile }
+! { dg-options "-O3 -ftree-loop-linear" }
+
+subroutine pr29290 (a, b, c, d)
+ integer c, d
+ real*8 a(c,c), b(c,c)
+ a(1:d,1:d) = b(1:d,1:d)
+end
diff --git a/gcc/tree-loop-linear.c b/gcc/tree-loop-linear.c
index e0f5bd2991b..2ef7eacec13 100644
--- a/gcc/tree-loop-linear.c
+++ b/gcc/tree-loop-linear.c
@@ -265,12 +265,12 @@ linear_transform_loops (struct loops *loops)
{
...
}
- for (j = 0; j < 50; j++)
+ for (j = 0; j < 50; j++)
{
...
}
} */
- if (!loop_nest || !loop_nest->inner)
+ if (!loop_nest || !loop_nest->inner || !loop_nest->single_exit)
continue;
VEC_truncate (tree, oldivs, 0);
VEC_truncate (tree, invariants, 0);
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