diff options
Diffstat (limited to 'gcc/tree-ssa-forwprop.c')
| -rw-r--r-- | gcc/tree-ssa-forwprop.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index 82d940b..11511b4 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -1952,7 +1952,6 @@ simplify_vector_constructor (gimple_stmt_iterator *gsi) unsigned elem_size, nelts, i; enum tree_code code, conv_code; constructor_elt *elt; - unsigned char *sel; bool maybe_ident; gcc_checking_assert (gimple_assign_rhs_code (stmt) == CONSTRUCTOR); @@ -1965,7 +1964,7 @@ simplify_vector_constructor (gimple_stmt_iterator *gsi) elem_type = TREE_TYPE (type); elem_size = TREE_INT_CST_LOW (TYPE_SIZE (elem_type)); - sel = XALLOCAVEC (unsigned char, nelts); + auto_vec_perm_indices sel (nelts); orig = NULL; conv_code = ERROR_MARK; maybe_ident = true; @@ -2023,8 +2022,10 @@ simplify_vector_constructor (gimple_stmt_iterator *gsi) } if (TREE_INT_CST_LOW (TREE_OPERAND (op1, 1)) != elem_size) return false; - sel[i] = TREE_INT_CST_LOW (TREE_OPERAND (op1, 2)) / elem_size; - if (sel[i] != i) maybe_ident = false; + unsigned int elt = TREE_INT_CST_LOW (TREE_OPERAND (op1, 2)) / elem_size; + if (elt != i) + maybe_ident = false; + sel.quick_push (elt); } if (i < nelts) return false; @@ -2053,7 +2054,7 @@ simplify_vector_constructor (gimple_stmt_iterator *gsi) { tree mask_type; - if (!can_vec_perm_p (TYPE_MODE (type), false, sel)) + if (!can_vec_perm_p (TYPE_MODE (type), false, &sel)) return false; mask_type = build_vector_type (build_nonstandard_integer_type (elem_size, 1), |