diff options
| author | Richard Guenther <rguenther@suse.de> | 2011-08-12 08:55:05 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-08-12 08:55:05 +0000 |
| commit | 6aeb8c9919b5b816a32fcf8400b85d9b91752059 (patch) | |
| tree | 88501efa7f691a8047eed2a88aa3396008ce5ecd /gcc | |
| parent | f895fc2a0d23a15668d829cec8c9bfaa98ae5615 (diff) | |
| download | gcc-6aeb8c9919b5b816a32fcf8400b85d9b91752059.tar.gz | |
call.c (build_over_call): Instead of memcpy use an assignment of two MEM_REFs.
2011-08-12 Richard Guenther <rguenther@suse.de>
* call.c (build_over_call): Instead of memcpy use an
assignment of two MEM_REFs.
From-SVN: r177691
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cp/call.c | 21 |
2 files changed, 17 insertions, 9 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index f5989f4bc98..47d636ef3b0 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,8 @@ +2011-08-12 Richard Guenther <rguenther@suse.de> + + * call.c (build_over_call): Instead of memcpy use an + assignment of two MEM_REFs. + 2011-08-11 Romain Geissler <romain.geissler@gmail.com> Brian Hackett <bhackett1024@gmail.com> diff --git a/gcc/cp/call.c b/gcc/cp/call.c index 4494eccfa39..a3b0f8a85bb 100644 --- a/gcc/cp/call.c +++ b/gcc/cp/call.c @@ -6766,19 +6766,22 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain) } else { - /* We must only copy the non-tail padding parts. - Use __builtin_memcpy for the bitwise copy. */ - tree arg0, arg1, arg2, t; + /* We must only copy the non-tail padding parts. */ + tree arg0, arg2, t; + tree array_type, alias_set; arg2 = TYPE_SIZE_UNIT (as_base); - arg1 = arg; arg0 = cp_build_addr_expr (to, complain); - t = implicit_built_in_decls[BUILT_IN_MEMCPY]; - t = build_call_n (t, 3, arg0, arg1, arg2); - - t = convert (TREE_TYPE (arg0), t); - val = cp_build_indirect_ref (t, RO_NULL, complain); + array_type = build_array_type (char_type_node, + build_index_type + (size_binop (MINUS_EXPR, + arg2, size_int (1)))); + alias_set = build_int_cst (build_pointer_type (type), 0); + t = build2 (MODIFY_EXPR, void_type_node, + build2 (MEM_REF, array_type, arg0, alias_set), + build2 (MEM_REF, array_type, arg, alias_set)); + val = build2 (COMPOUND_EXPR, TREE_TYPE (to), t, to); TREE_NO_WARNING (val) = 1; } |