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r143041 - in /trunk/gcc: ChangeLog function.c
- From: steven at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sun, 04 Jan 2009 00:15:59 -0000
- Subject: r143041 - in /trunk/gcc: ChangeLog function.c
Author: steven
Date: Sun Jan 4 00:15:58 2009
New Revision: 143041
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143041
Log:
PR middle-end/38586
* function.c (struct temp_slot): Move to the section of the file
that deals with temp slots. Remove field 'address'.
(temp_slot_address_table): New hash table of address -> temp slot.
(struct temp_slot_address_entry): New struct, items for the table.
(temp_slot_address_compute_hash, temp_slot_address_hash,
temp_slot_address_eq, insert_temp_slot_address): Support functions
for the new table.
(find_temp_slot_from_address): Rewrite to use the new hash table.
(remove_unused_temp_slot_addresses): Remove addresses of temp
slots that have been made available.
(remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
worker function for remove_unused_temp_slot_addresses.
(assign_stack_temp_for_type): Don't clear the temp slot address list.
Add the temp slot address to the address -> temp slot map.
(update_temp_slot_address): Update via insert_temp_slot_address.
(free_temp_slots): Call remove_unused_temp_slot_addresses.
(pop_temp_slots): Likewise.
(init_temp_slots): Allocate the address -> temp slot map, or empty
the map if it is already allocated.
(prepare_function_start): Initialize temp slot processing.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/function.c