Fix a bug in tilegx_fixup_pcrel_references, to properly match and

[pf3gnuchains/gcc-fork.git] / gcc / tree-sra.c

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index e2091e5..1439c43 100644 (file)
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -2172,11 +2172,21 @@ analyze_access_subtree (struct access *root, struct access *parent,
              && (root->grp_scalar_write || root->grp_assignment_write))))
     {
       bool new_integer_type;
-      if (TREE_CODE (root->type) == ENUMERAL_TYPE)
+      /* Always create access replacements that cover the whole access.
+         For integral types this means the precision has to match.
+        Avoid assumptions based on the integral type kind, too.  */
+      if (INTEGRAL_TYPE_P (root->type)
+         && (TREE_CODE (root->type) != INTEGER_TYPE
+             || TYPE_PRECISION (root->type) != root->size)
+         /* But leave bitfield accesses alone.  */
+         && (root->offset % BITS_PER_UNIT) == 0)
        {
          tree rt = root->type;
-         root->type = build_nonstandard_integer_type (TYPE_PRECISION (rt),
+         root->type = build_nonstandard_integer_type (root->size,
                                                       TYPE_UNSIGNED (rt));
+         root->expr = build_ref_for_offset (UNKNOWN_LOCATION,
+                                            root->base, root->offset,
+                                            root->type, NULL, false);
          new_integer_type = true;
        }
       else