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authorMarc Glisse <marc.glisse@inria.fr>2012-10-15 16:38:04 +0200
committerMarc Glisse <glisse@gcc.gnu.org>2012-10-15 14:38:04 +0000
commit895e8371269deae98b75c6784cd0def3d8ff4446 (patch)
tree320c480cf8b9e7015d9b500f360ff0c0b2c00eca /gcc
parent8135e1e691f50e1abb33f6ed602679692b322016 (diff)
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re PR middle-end/54915 (ICE: verify_gimple failed: type mismatch in vector permute expression)
2012-10-15 Marc Glisse <marc.glisse@inria.fr> PR tree-optimization/54915 gcc/ * tree-ssa-forwprop.c (simplify_vector_constructor): Check argument's type. gcc/testsuite/ * gcc.dg/tree-ssa/pr54915.c: New testcase. From-SVN: r192461
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr54915.c12
-rw-r--r--gcc/tree-ssa-forwprop.c2
4 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2905d69..227a60f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-10-15 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/54915
+ * tree-ssa-forwprop.c (simplify_vector_constructor): Check
+ argument's type.
+
2012-10-15 Richard Biener <rguenther@suse.de>
* data-streamer.h (bp_pack_string_with_length): New function.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 07a052d..74e7b1c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2012-10-15 Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/54915
+ * gcc.dg/tree-ssa/pr54915.c: New testcase.
+
2012-10-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54920
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr54915.c b/gcc/testsuite/gcc.dg/tree-ssa/pr54915.c
new file mode 100644
index 0000000..1e11df1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr54915.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef double v2df __attribute__ ((__vector_size__ (16)));
+typedef double v4df __attribute__ ((__vector_size__ (32)));
+
+void f (v2df *ret, v4df* xp)
+{
+ v4df x = *xp;
+ v2df xx = { x[2], x[3] };
+ *ret = xx;
+}
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index eb1af4e..b6c5654 100644
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -2840,6 +2840,8 @@ simplify_vector_constructor (gimple_stmt_iterator *gsi)
{
if (TREE_CODE (ref) != SSA_NAME)
return false;
+ if (!useless_type_conversion_p (type, TREE_TYPE (ref)))
+ return false;
orig = ref;
}
if (TREE_INT_CST_LOW (TREE_OPERAND (op1, 1)) != elem_size)