Hi,
Please find the patches for pr61868. The problem is that even with
-frandom-seed gcc always uses 0 instead of specified number/string for places
such as lto section names. init_random_seed is never called with -frandom-seed.
Bootstrapped and tested on x86-64. OK for trunk?
Thanks,
Bingfeng Mei
===================================================================
--- ChangeLog (revision 213152)
+++ ChangeLog (working copy)
@@ -1,3 +1,9 @@
+2014-07-29 Bingfeng Mei <b...@broadcom.com>
+
+ PR lto/61868
+ * toplev.c (init_random_seed): Generate random seed when
+ flag_random_seed is specified.
+
2014-07-28 Jan Hubicka <hubi...@ucw.cz>
* cgraph.c (cgraph_node::create_indirect_edge): Copy speculative data.
Index: toplev.c
===================================================================
--- toplev.c (revision 213152)
+++ toplev.c (working copy)
@@ -301,7 +301,7 @@ init_random_seed (void)
HOST_WIDE_INT
get_random_seed (bool noinit)
{
- if (!flag_random_seed && !noinit)
+ if (!noinit)
init_random_seed ();
return random_seed;
}
Index: testsuite/ChangeLog
===================================================================
--- testsuite/ChangeLog (revision 213152)
+++ testsuite/ChangeLog (working copy)
@@ -1,3 +1,8 @@
+2014-07-29 Bingfeng Mei <b...@broadcom.com>
+
+ PR lto/61868
+ * gcc.dg/pr61868.c: New test.
+
2014-07-28 Richard Biener <rguent...@suse.de>
PR rtl-optimization/61801
Index: testsuite/gcc.dg/pr61868.c
===================================================================
--- testsuite/gcc.dg/pr61868.c (revision 0)
+++ testsuite/gcc.dg/pr61868.c (revision 0)
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-flto -frandom-seed=0x12345" } */
+extern int foo (int);
+int main ()
+{
+ foo (100);
+ return 0;
+}
+/* { dg-final { scan-assembler "\.gnu\.lto.*.12345" } } */
