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tree.h (TYPE_NEEDS_CONSTRUCTING): New macro.

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Wed Jul 13 03:30:36 1994  Jason Merrill  (jason@deneb.cygnus.com)

        * tree.h (TYPE_NEEDS_CONSTRUCTING): New macro.
        (tree_type): Add needs_constructing_flag.
        * function.c (assign_parms): If TYPE_NEEDS_CONSTRUCTING, pass by
        invisible reference.
        * calls.c (expand_call): Ditto.

From-SVN: r7758
This commit is contained in:
Jason Merrill 1994-07-13 11:06:24 +00:00
parent ccccb52764
commit 4ac3d99407
3 changed files with 8 additions and 1 deletions
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1
gcc/calls.c
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@ -996,6 +996,7 @@ expand_call (exp, target, ignore)
/* See if this argument should be passed by invisible reference. */
if ((TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST
&& contains_placeholder_p (TYPE_SIZE (type)))
|| TYPE_NEEDS_CONSTRUCTING (type)
#ifdef FUNCTION_ARG_PASS_BY_REFERENCE
|| FUNCTION_ARG_PASS_BY_REFERENCE (args_so_far, TYPE_MODE (type),
type, argpos < n_named_args)

1
gcc/function.c
View File

@ -3157,6 +3157,7 @@ assign_parms (fndecl, second_time)
if ((TREE_CODE (TYPE_SIZE (passed_type)) != INTEGER_CST
&& contains_placeholder_p (TYPE_SIZE (passed_type)))
|| TYPE_NEEDS_CONSTRUCTING (passed_type)
#ifdef FUNCTION_ARG_PASS_BY_REFERENCE
|| FUNCTION_ARG_PASS_BY_REFERENCE (args_so_far, passed_mode,
passed_type, ! last_named)

7
gcc/tree.h
View File

@ -615,6 +615,10 @@ struct tree_block
If set in a SET_TYPE, indicates a bitstring type. */
#define TYPE_STRING_FLAG(NODE) ((NODE)->type.string_flag)
/* Indicates that objects of this type must be initialized by calling a
function when they are created. */
#define TYPE_NEEDS_CONSTRUCTING(NODE) ((NODE)->type.needs_constructing_flag)
struct tree_type
{
char common[sizeof (struct tree_common)];
@ -632,6 +636,7 @@ struct tree_type
unsigned string_flag : 1;
unsigned no_force_blk_flag : 1;
unsigned needs_constructing_flag : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_2 : 1;
@ -639,7 +644,7 @@ struct tree_type
unsigned lang_flag_4 : 1;
unsigned lang_flag_5 : 1;
unsigned lang_flag_6 : 1;
/* room for 7 more bits */
/* room for 6 more bits */
unsigned int align;
union tree_node *pointer_to;