tree-vect-patterns.c (vect_recog_widen_mult_pattern): Add NULL check for vectype_out...

gcc/

2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>

	* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Add NULL
	check for vectype_out returned by get_vectype_for_scalar_type().

testsuite/

2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>

	* gcc.dg/vect/pr45847.c: New test.

From-SVN: r165123

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d088f60..017b196 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
 
+       * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Add NULL
+       check for vectype_out returned by get_vectype_for_scalar_type().
+
+2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
+
        * config/arm/neon.md (neon_unpack<US>_<mode>): Add 'w' to
        constraint, add register specifier in instruction template.
        (neon_vec_pack_trunc_<mode>): Likewise.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c78a2f3..1a3380e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
+
+       * gcc.dg/vect/pr45847.c: New test.
+
 2010-10-07  Iain Sandoe  <iains@gcc.gnu.org>
            Kai Tietz  <kai.tietz@onevision.com>
 

diff --git a/gcc/testsuite/gcc.dg/vect/pr45847.c b/gcc/testsuite/gcc.dg/vect/pr45847.c
new file mode 100644 (file)
index 0000000..f34caa1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr45847.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+
+
+long long foo (long long *__restrict a,  int *__restrict b, int *__restrict c )
+{
+  int i;
+  long long sum=0;
+  for (i=0;i<256;i++)
+   sum += (long long)b[i] * c[i];
+
+  return sum;
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */
+

diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c
index 0d5824c..ebe00d6 100644 (file)
--- a/gcc/tree-vect-patterns.c
+++ b/gcc/tree-vect-patterns.c
@@ -413,6 +413,7 @@ vect_recog_widen_mult_pattern (gimple last_stmt,
   vectype = get_vectype_for_scalar_type (half_type0);
   vectype_out = get_vectype_for_scalar_type (type);
   if (!vectype
+      || !vectype_out
       || !supportable_widening_operation (WIDEN_MULT_EXPR, last_stmt,
                                          vectype_out, vectype,
                                          &dummy, &dummy, &dummy_code,