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Re: How to get TYPE_LANG_SPECIFIC initialized
> >>>>> "Jan" == Jan Hubicka <firstname.lastname@example.org> writes:
> > the new final.c code to output profile-arcs sturcture fails on C++. THis is because
> > the tree we construct lacks TYPE_LANG_SPECIFIC nodes and C++ frontend fails when
> > it is called via memory aliasing hook.
> I thought I sent this to you already. Does this patch fix the problem?
You did. I received it minute ago, as our net has been partly down over weekend.
> > How can I get the field initialized in generic way? I see there is LANG_HOOKS_MAKE_TYPE,
> > but I don't see how it is used at all.
> Doesn't look like it is, no.
I like your patch, just testing it, but I guess it will work.
I am attaching my other patch to the i386 structure passing problem, does it look sensible for you?
If so, I will install it to the tree.
Sun May 12 18:48:22 CEST 2002 Jan Hubicka <email@example.com>
* i386.c (classify_argument): Handle subclases.
*** /aux/hubicka/egcs/gcc/config/i386/i386.c Sat May 11 11:32:02 2002
--- i386.c Sat May 11 11:29:55 2002
*************** classify_argument (mode, type, classes,
*** 1682,1687 ****
--- 1676,1709 ----
/* Classify each field of record and merge classes. */
if (TREE_CODE (type) == RECORD_TYPE)
+ /* For classes first merge in the field of the subclasses. */
+ if (TYPE_BINFO (type) != NULL && TYPE_BINFO_BASETYPES (type) != NULL)
+ tree bases = TYPE_BINFO_BASETYPES (type);
+ int n_bases = TREE_VEC_LENGTH (bases);
+ int i;
+ for (i = 0; i < n_bases; ++i)
+ tree binfo = TREE_VEC_ELT (bases, i);
+ int num;
+ int offset = tree_low_cst (BINFO_OFFSET (binfo), 0) * 8;
+ tree type = BINFO_TYPE (binfo);
+ num = classify_argument (TYPE_MODE (type),
+ type, subclasses,
+ (offset + bit_offset) % 256);
+ if (!num)
+ return 0;
+ for (i = 0; i < num; i++)
+ int pos = (offset + bit_offset) / 8 / 8;
+ classes[i + pos] =
+ merge_classes (subclasses[i], classes[i + pos]);
+ /* And now merge the fields of structure. */
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
if (TREE_CODE (field) == FIELD_DECL)