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authorJakub Jelinek <jakub@redhat.com>2012-03-28 16:40:57 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2012-03-28 16:40:57 +0200
commit26a7fca2ed02d7d65d870fb0dd3592b6b4c4cb32 (patch)
tree0cde407420ca3f7c6ff62b81f9a5516c2f2bdb31
parent7d776ee2520ce781f671150d8fcd2f6085362b2c (diff)
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re PR middle-end/52750 (32xsigned char __builtin_shuffle)
PR middle-end/52750 * tree-vect-generic.c (vector_element): Perform multiplication for pos in bitsizetype type instead of idx type. * gcc.c-torture/compile/pr52750.c: New test. From-SVN: r185914
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.c-torture/compile/pr52750.c11
-rw-r--r--gcc/tree-vect-generic.c5
4 files changed, 25 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3509bda..a33cac3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-03-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52750
+ * tree-vect-generic.c (vector_element): Perform multiplication
+ for pos in bitsizetype type instead of idx type.
+
2012-03-28 Richard Guenther <rguenther@suse.de>
* loop-init.c (loop_optimizer_init): If loops are preserved
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d4d2bc1..d334475 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2012-03-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52750
+ * gcc.c-torture/compile/pr52750.c: New test.
+
2012-03-28 Georg-Johann Lay <avr@gjlay.de>
PR target/52692
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr52750.c b/gcc/testsuite/gcc.c-torture/compile/pr52750.c
new file mode 100644
index 0000000..36391ba
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr52750.c
@@ -0,0 +1,11 @@
+/* PR middle-end/52750 */
+
+typedef signed char V __attribute__((vector_size (32)));
+
+void
+foo (V *x)
+{
+ V m = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
+ *x = __builtin_shuffle (*x, m);
+}
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c
index 203f62c..e0146c2 100644
--- a/gcc/tree-vect-generic.c
+++ b/gcc/tree-vect-generic.c
@@ -567,8 +567,9 @@ vector_element (gimple_stmt_iterator *gsi, tree vect, tree idx, tree *ptmpvec)
else
{
tree size = TYPE_SIZE (vect_elt_type);
- tree pos = fold_build2 (MULT_EXPR, TREE_TYPE (idx), idx, size);
- return fold_build3 (BIT_FIELD_REF, vect_elt_type, vect, size, pos);
+ tree pos = fold_build2 (MULT_EXPR, bitsizetype, bitsize_int (index),
+ size);
+ return fold_build3 (BIT_FIELD_REF, vect_elt_type, vect, size, pos);
}
}