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authorMarc Glisse <marc.glisse@inria.fr>2018-10-02 16:55:39 +0200
committerMarc Glisse <glisse@gcc.gnu.org>2018-10-02 14:55:39 +0000
commit057cf66ca3d290e0f68f66eba0e43379cb77f870 (patch)
tree52902674b39218ed120fa87d82c33c2a8886a334 /gcc/tree.c
parenta1c3d798efbf20497bfb6584c9a780dc24996ee1 (diff)
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No a*x+b*x factorization for signed vectors
2018-10-02 Marc Glisse <marc.glisse@inria.fr> PR middle-end/87319 * fold-const.c (fold_plusminus_mult_expr): Handle complex and vectors. * tree.c (signed_or_unsigned_type_for): Handle complex. From-SVN: r264790
Diffstat (limited to 'gcc/tree.c')
-rw-r--r--gcc/tree.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index d52f877..748ece6 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -11209,7 +11209,7 @@ int_cst_value (const_tree x)
tree
signed_or_unsigned_type_for (int unsignedp, tree type)
{
- if (TREE_CODE (type) == INTEGER_TYPE && TYPE_UNSIGNED (type) == unsignedp)
+ if (ANY_INTEGRAL_TYPE_P (type) && TYPE_UNSIGNED (type) == unsignedp)
return type;
if (TREE_CODE (type) == VECTOR_TYPE)
@@ -11223,6 +11223,17 @@ signed_or_unsigned_type_for (int unsignedp, tree type)
return build_vector_type (inner2, TYPE_VECTOR_SUBPARTS (type));
}
+ if (TREE_CODE (type) == COMPLEX_TYPE)
+ {
+ tree inner = TREE_TYPE (type);
+ tree inner2 = signed_or_unsigned_type_for (unsignedp, inner);
+ if (!inner2)
+ return NULL_TREE;
+ if (inner == inner2)
+ return type;
+ return build_complex_type (inner2);
+ }
+
if (!INTEGRAL_TYPE_P (type)
&& !POINTER_TYPE_P (type)
&& TREE_CODE (type) != OFFSET_TYPE)