diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index 73690372e4e..f56f88640dc 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -2562,8 +2562,7 @@ clear_storage (object, size) /* If OBJECT is not BLKmode and SIZE is the same size as its mode, just move a zero. Otherwise, do this a piece at a time. */ - if ((GET_MODE (object) != BLKmode - && !VECTOR_MODE_P (GET_MODE (object))) + if (GET_MODE (object) != BLKmode && GET_CODE (size) == CONST_INT && GET_MODE_SIZE (GET_MODE (object)) == (unsigned int) INTVAL (size)) emit_move_insn (object, CONST0_RTX (GET_MODE (object))); @@ -4245,6 +4244,14 @@ is_zeros_p (exp) case REAL_CST: return REAL_VALUES_IDENTICAL (TREE_REAL_CST (exp), dconst0); + case VECTOR_CST: + for (elt = TREE_VECTOR_CST_ELTS (exp); elt; + elt = TREE_CHAIN (elt)) + if (!is_zeros_p (TREE_VALUE (elt))) + return 0; + + return 1; + case CONSTRUCTOR: if (TREE_TYPE (exp) && TREE_CODE (TREE_TYPE (exp)) == SET_TYPE) return CONSTRUCTOR_ELTS (exp) == NULL_TREE; |