johannes 02/09/12 18:08:09
Modified: gcc calls.c
Log:
Remove a turly hack that is superseded by a better fix from rth.
Revision Changes Path
1.37 +0 -24 gcc3/gcc/calls.c
Index: calls.c
===================================================================
RCS file: /cvs/Darwin/gcc3/gcc/calls.c,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -r1.36 -r1.37
--- calls.c 2002/09/10 20:53:19 1.36
+++ calls.c 2002/09/13 01:08:08 1.37
@@ -4482,32 +4482,8 @@
we actually expand the argument since the expansion itself may
trigger library calls which might need to use the same stack slot. */
if (argblock && ! variable_size && arg->stack)
- /* APPLE LOCAL begin pass-struct-by-value fix */
- /* 2.95 comments retained for amusement value. This is FSF PR 6241;
- no doubt a cleaner fix will come along --dj */
-#if defined(TARGET_MACHO) /* Sorry :-( */
- /* (Ahem, Cough) "Fix" for some really mondo weirdnesses we have on
- PPC when passing a struct >32 bytes as a value parameter.
- memcpy () ends up being called to copy the struct onto the stack,
- but wants to save and restore the 32-byte REG_PARM_STACK_SPACE.
- Bad news if the memcpy destination and this 32-byte
- REG_PARM_STACK_SPACE overlap...
-
- Try to avoid this unnecessary save/restore by not marking the 32
- byte area as "dirty". */
-
- {
- if (upper_bound - reg_parm_stack_space > lower_bound)
- for (i = MAX (lower_bound, reg_parm_stack_space);
- i < upper_bound; i++)
- stack_usage_map[i] = 1;
- else
-#endif
- /* APPLE LOCAL end pass-struct-by-value fix */
for (i = lower_bound; i < upper_bound; i++)
stack_usage_map[i] = 1;
- /* APPLE LOCAL pass-struct-by-value fix */
- }
}
/* If this isn't going to be placed on both the stack and in registers,
