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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-10 07:23:17 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-10 07:23:17 +0000 |
| commit | bcff360432978e8b3748684719ec1a981fc1b2da (patch) | |
| tree | bc564e88496d0493d9d7f329bdc8ef2d117d2ee3 /gcc/builtins.c | |
| parent | a3952a36f812ecc7074e6fdc236ba81bcfac1f43 (diff) | |
| download | gcc-bcff360432978e8b3748684719ec1a981fc1b2da.tar.gz | |
* builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84446 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 91d3c87a50f..7d86ddc8841 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -4483,29 +4483,28 @@ std_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p) abort (); #endif - /* Compute the rounded size of the type. */ align = PARM_BOUNDARY / BITS_PER_UNIT; - boundary = FUNCTION_ARG_BOUNDARY (TYPE_MODE (type), type); + boundary = FUNCTION_ARG_BOUNDARY (TYPE_MODE (type), type) / BITS_PER_UNIT; /* Hoist the valist value into a temporary for the moment. */ valist_tmp = get_initialized_tmp_var (valist, pre_p, NULL); /* va_list pointer is aligned to PARM_BOUNDARY. If argument actually requires greater alignment, we must perform dynamic alignment. */ - if (boundary > PARM_BOUNDARY) + if (boundary > align) { - unsigned byte_bound = boundary / BITS_PER_UNIT; - - t = fold_convert (TREE_TYPE (valist), size_int (byte_bound - 1)); + t = fold_convert (TREE_TYPE (valist), size_int (boundary - 1)); t = build2 (MODIFY_EXPR, TREE_TYPE (valist), valist_tmp, build2 (PLUS_EXPR, TREE_TYPE (valist), valist_tmp, t)); gimplify_and_add (t, pre_p); + t = fold_convert (TREE_TYPE (valist), size_int (-boundary)); t = build2 (MODIFY_EXPR, TREE_TYPE (valist), valist_tmp, build2 (BIT_AND_EXPR, TREE_TYPE (valist), valist_tmp, t)); gimplify_and_add (t, pre_p); } + /* Compute the rounded size of the type. */ type_size = size_in_bytes (type); rounded_size = round_up (type_size, align); |