+1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * rtl.c (obstack_alloc_rtx): Removed.
+
1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
* config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
return rt;
}
-/* Like the above, but allocate based only on the length. This is called
- by the routines built into genrtl.c. */
-
-rtx
-obstack_alloc_rtx (length)
- int length;
-{
- rtx rt;
- register struct obstack *ob = rtl_obstack;
-
- /* This function is called more than any other in GCC,
- so we manipulate the obstack directly.
-
- Even though rtx objects are word aligned, we may be sharing an obstack
- with tree nodes, which may have to be double-word aligned. So align
- our length to the alignment mask in the obstack. */
-
- length = (length + ob->alignment_mask) & ~ ob->alignment_mask;
-
- if (ob->chunk_limit - ob->next_free < length)
- _obstack_newchunk (ob, length);
-
- rt = (rtx) ob->object_base;
- ob->next_free += length;
- ob->object_base = ob->next_free;
-
- /* We want to clear everything up to the FLD array. Normally,
- this is one int, but we don't want to assume that and it
- isn't very portable anyway; this is. */
-
- memset (rt, 0, sizeof (struct rtx_def) - sizeof (rtunion));
-
- return rt;
-}
-
/* Free the rtx X and all RTL allocated since X. */
void