re PR middle-end/45644 (450.soplex in SPEC CPU 2006 is miscompiled)

[platform/upstream/gcc.git] / gcc / tree-sra.c

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index e3007ee..0127b82 100644 (file)
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -774,12 +774,13 @@ create_access (tree expr, gimple stmt, bool write)
          disqualify_candidate (base, "Encountered a variable sized access.");
          return NULL;
        }
-      if ((offset % BITS_PER_UNIT) != 0 || (size % BITS_PER_UNIT) != 0)
+      if (TREE_CODE (expr) == COMPONENT_REF
+         && DECL_BIT_FIELD (TREE_OPERAND (expr, 1)))
        {
-         disqualify_candidate (base,
-                               "Encountered an acces not aligned to a byte.");
+         disqualify_candidate (base, "Encountered a bit-field access.");
          return NULL;
        }
+      gcc_checking_assert ((offset % BITS_PER_UNIT) == 0);
 
       if (ptr)
        mark_parm_dereference (base, offset + size, stmt);