Running jit.dg/test-sum-of-squares.c under valgrind showed a couple of leaks:
608 bytes in 4 blocks are definitely lost in loss record 184 of 229
at 0x4A081D4: calloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x5BC88B0: xcalloc (xmalloc.c:162)
by 0x524F72D: alloc_mem() (postreload-gcse.c:352)
by 0x5252611: gcse_after_reload_main(rtx_def*) (postreload-gcse.c:1390)
by 0x5252828: rest_of_handle_gcse2() (postreload-gcse.c:1444)
by 0x52528DA: (anonymous namespace)::pass_gcse2::execute(function*)
(postreload-gcse.c:1478)
by 0x5249D2A: execute_one_pass(opt_pass*) (passes.c:2317)
by 0x5249FB1: execute_pass_list_1(opt_pass*) (passes.c:2370)
by 0x5249FE2: execute_pass_list_1(opt_pass*) (passes.c:2371)
by 0x5249FE2: execute_pass_list_1(opt_pass*) (passes.c:2371)
by 0x524A01F: execute_pass_list(function*, opt_pass*) (passes.c:2381)
by 0x4EC075C: cgraph_node::expand() (cgraphunit.c:1895)
608 bytes in 4 blocks are definitely lost in loss record 185 of 229
at 0x4A081D4: calloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x5BC88B0: xcalloc (xmalloc.c:162)
by 0x524F754: alloc_mem() (postreload-gcse.c:355)
by 0x5252611: gcse_after_reload_main(rtx_def*) (postreload-gcse.c:1390)
by 0x5252828: rest_of_handle_gcse2() (postreload-gcse.c:1444)
by 0x52528DA: (anonymous namespace)::pass_gcse2::execute(function*)
(postreload-gcse.c:1478)
by 0x5249D2A: execute_one_pass(opt_pass*) (passes.c:2317)
by 0x5249FB1: execute_pass_list_1(opt_pass*) (passes.c:2370)
by 0x5249FE2: execute_pass_list_1(opt_pass*) (passes.c:2371)
by 0x5249FE2: execute_pass_list_1(opt_pass*) (passes.c:2371)
by 0x524A01F: execute_pass_list(function*, opt_pass*) (passes.c:2381)
by 0x4EC075C: cgraph_node::expand() (cgraphunit.c:1895)
The following patch fixes them (verified via rerunning under valgrind).
OK for trunk? (assuming I bootstrap and test it)
gcc/ChangeLog:
* postreload-gcse.c (free_mem): Free modify_mem_list and
canon_modify_mem_list.
---
gcc/postreload-gcse.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/postreload-gcse.c b/gcc/postreload-gcse.c
index 9014d69..ae6fdd0 100644
--- a/gcc/postreload-gcse.c
+++ b/gcc/postreload-gcse.c
@@ -381,6 +381,8 @@ free_mem (void)
BITMAP_FREE (blocks_with_calls);
BITMAP_FREE (modify_mem_list_set);
free (reg_avail_info);
+ free (modify_mem_list);
+ free (canon_modify_mem_list);
}
--
1.8.5.3
