PR c++/53094
cp/
* tree.c (cp_tree_equal): Handle VECTOR_CST.
* semantics.c (cxx_eval_bare_aggregate): Protect a dereference.
Handle VECTOR_CST.
testsuite/
* g++.dg/cpp0x/constexpr-53094-1.C: New testcase.
* g++.dg/cpp0x/constexpr-53094-2.C: Likewise.
* g++.dg/cpp0x/constexpr-53094-3.C: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194421
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-12-11 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/53094
+ * tree.c (cp_tree_equal): Handle VECTOR_CST.
+ * semantics.c (cxx_eval_bare_aggregate): Protect a dereference.
+ Handle VECTOR_CST.
+
2012-12-11 Jakub Jelinek <jakub@redhat.com>
PR c++/55643
goto fail;
if (elt != ce->value)
changed = true;
- if (TREE_CODE (ce->index) == COMPONENT_REF)
+ if (ce->index && TREE_CODE (ce->index) == COMPONENT_REF)
{
/* This is an initialization of a vfield inside a base
subaggregate that we already initialized; push this
constructor_elt *inner = base_field_constructor_elt (n, ce->index);
inner->value = elt;
}
- else if (TREE_CODE (ce->index) == NOP_EXPR)
+ else if (ce->index && TREE_CODE (ce->index) == NOP_EXPR)
{
/* This is an initializer for an empty base; now that we've
checked that it's constant, we can ignore it. */
}
t = build_constructor (TREE_TYPE (t), n);
TREE_CONSTANT (t) = true;
+ if (TREE_CODE (TREE_TYPE (t)) == VECTOR_TYPE)
+ t = fold (t);
return t;
}
return cp_tree_equal (TREE_REALPART (t1), TREE_REALPART (t2))
&& cp_tree_equal (TREE_IMAGPART (t1), TREE_IMAGPART (t2));
+ case VECTOR_CST:
+ return operand_equal_p (t1, t2, OEP_ONLY_CONST);
+
case CONSTRUCTOR:
/* We need to do this when determining whether or not two
non-type pointer to member function template arguments
+2012-12-11 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/53094
+ * g++.dg/cpp0x/constexpr-53094-1.C: New testcase.
+ * g++.dg/cpp0x/constexpr-53094-2.C: Likewise.
+ * g++.dg/cpp0x/constexpr-53094-3.C: Likewise.
+
2012-12-11 Jakub Jelinek <jakub@redhat.com>
PR c++/55643
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++11" }
+
+typedef float __attribute__ ((vector_size (4 * sizeof (float)))) V4;
+constexpr V4 v = { 1, 1, 1, 0 };
+constexpr V4 r = v[0] + v; // { dg-bogus "not a constant expression" "" { xfail *-*-* } }
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++11" }
+
+typedef float __attribute__ ((vector_size (4 * sizeof (float)))) V4;
+constexpr V4 build (float x, float y, float z) { return (V4){ x, y, z, 0 };}
+constexpr V4 x = build (1, 0, 0);
--- /dev/null
+// { dg-do compile }
+// { dg-options "-std=gnu++11" }
+
+typedef float __attribute__ ((vector_size (4 * sizeof (float)))) V4;
+
+struct Rot3 {
+ typedef float T;
+ typedef V4 Vec;
+ Vec axis[3];
+ constexpr Rot3 (V4 ix, V4 iy, V4 iz) : axis {ix, iy, iz} {}
+
+ constexpr Rot3(T xx, T xy, T xz, T yx, T yy, T yz, T zx, T zy, T zz) :
+ Rot3((Vec) { xx, xy, xz, 0 },
+ (Vec) { yx, yy, yz, 0 },
+ (Vec) { zx, zy, zz, 0 }) {}
+
+};
+
+constexpr Rot3 r1( 0, 1 ,0, 0, 0, 1, 1, 0, 0);