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* builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR. 

From-SVN: r84446
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Richard Henderson 2004-07-10 00:23:17 -07:00 committed by Richard Henderson
parent 45cc478337
commit 76aa57137c
2 changed files with 9 additions and 6 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-07-10 Richard Henderson <rth@redhat.com>
* builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
2004-07-09 Mike Stump <mrs@apple.com>
* config/darwin.c (no_dead_strip): Add.

11
gcc/builtins.c
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@ -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);