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authorYuri Rumyantsev <ysrumyan@gmail.com>2015-08-11 13:52:17 +0000
committerIlya Enkovich <ienkovich@gcc.gnu.org>2015-08-11 13:52:17 +0000
commitdbfa87aa8704d7cb2ce147966f27bdf70ce7596c (patch)
tree99a8e7b99d3199dd01af6513354c0b5d5aa5f8cc
parentb32bc1ac16670eef2a0e61ae7bad47f8cfd278ed (diff)
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tree-vect-stmts.c (vectorizable_shift): Add missed test on vect_induction_def.
gcc/ * tree-vect-stmts.c (vectorizable_shift): Add missed test on vect_induction_def. gcc/testsuite: * gcc.target/i386/avx2-vect-shift.c: New test. From-SVN: r226781
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/i386/avx2-vect-shift.c16
-rw-r--r--gcc/tree-vect-stmts.c4
4 files changed, 28 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 099d2c1..7e31110 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-08-11 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * tree-vect-stmts.c (vectorizable_shift): Add missed test on
+ vect_induction_def.
+
2015-08-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/66098
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7a35aad..93cacfb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-08-11 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * gcc.target/i386/avx2-vect-shift.c: New test.
+
2015-08-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/66098
diff --git a/gcc/testsuite/gcc.target/i386/avx2-vect-shift.c b/gcc/testsuite/gcc.target/i386/avx2-vect-shift.c
new file mode 100644
index 0000000..c82e370
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx2-vect-shift.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target avx2 } */
+/* { dg-options "-mavx2 -O3 -fdump-tree-vect-details" } */
+
+#define N 32
+typedef unsigned int u32;
+u32 a[N];
+
+void foo()
+{
+ int i;
+ for (i=0; i<N;i++)
+ a[i] = 1 << i;
+}
+/* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 33a7e0c..2ddd434 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -4461,7 +4461,9 @@ vectorizable_shift (gimple stmt, gimple_stmt_iterator *gsi,
/* Determine whether the shift amount is a vector, or scalar. If the
shift/rotate amount is a vector, use the vector/vector shift optabs. */
- if (dt[1] == vect_internal_def && !slp_node)
+ if ((dt[1] == vect_internal_def
+ || dt[1] == vect_induction_def)
+ && !slp_node)
scalar_shift_arg = false;
else if (dt[1] == vect_constant_def
|| dt[1] == vect_external_def