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* [Bug libgcj/22084] New: Divide_1 test case hangs
@ 2005-06-15 23:03 tromey at gcc dot gnu dot org
2005-06-17 13:13 ` [Bug libgcj/22084] " rmathew at gcc dot gnu dot org
` (11 more replies)
0 siblings, 12 replies; 13+ messages in thread
From: tromey at gcc dot gnu dot org @ 2005-06-15 23:03 UTC (permalink / raw)
To: java-prs
The Divide_1 test case now apparently hangs, printing:
set_ld_library_path_env_vars:
ld_library_path=.:/home/tromey/gnu/Trunk/build/i686-pc-linux-gnu//libjava/.libs:/home/tromey/gnu/Trunk/build/gcc
0
-2147483648
50354022
GC Warning: Repeated allocation of very large block (appr. size 258048):
May lead to memory leak and poor performance.
GC Warning: Repeated allocation of very large block (appr. size 258048):
May lead to memory leak and poor performance.
GC Warning: Repeated allocation of very large block (appr. size 258048):
May lead to memory leak and poor performance.
GC Warning: Repeated allocation of very large block (appr. size 258048):
May lead to memory leak and poor performance.
GC Warning: Repeated allocation of very large block (appr. size 512000):
May lead to memory leak and poor performance.
GC Warning: Repeated allocation of very large block (appr. size 258048):
May lead to memory leak and poor performance.
GC Warning: Repeated allocation of very large block (appr. size 512000):
May lead to memory leak and poor performance.
--
Summary: Divide_1 test case hangs
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libgcj
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tromey at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu
dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug libgcj/22084] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org @ 2005-06-17 13:13 ` rmathew at gcc dot gnu dot org 2005-06-17 13:44 ` dnovillo at redhat dot com ` (10 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: rmathew at gcc dot gnu dot org @ 2005-06-17 13:13 UTC (permalink / raw) To: java-prs ------- Additional Comments From rmathew at gcc dot gnu dot org 2005-06-17 13:13 ------- Confirmed, though I see a FAIL instead of a hang. It has only started appearing this week. It fails like: -1459606597 -2147483648 335645025 FAIL: Divide_1 execution - source compiled test instead of the expected: -2147483648 -2147483648 0 0 [...] Note that the values are totally off. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-06-17 13:13:47 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org 2005-06-17 13:13 ` [Bug libgcj/22084] " rmathew at gcc dot gnu dot org @ 2005-06-17 13:44 ` dnovillo at redhat dot com 2005-06-17 14:41 ` [Bug libgcj/22084] [4.1 Regression] " pinskia at gcc dot gnu dot org ` (9 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: dnovillo at redhat dot com @ 2005-06-17 13:44 UTC (permalink / raw) To: java-prs ------- Additional Comments From dnovillo at redhat dot com 2005-06-17 13:44 ------- Subject: Re: Divide_1 test case hangs On Fri, Jun 17, 2005 at 01:13:49PM -0000, rmathew at gcc dot gnu dot org wrote: > -2147483648 > -2147483648 > 0 > 0 > [...] > > Note that the values are totally off. > This looks somewhat familiar. Could you try testing with -fno-tree-vrp? Diego. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org 2005-06-17 13:13 ` [Bug libgcj/22084] " rmathew at gcc dot gnu dot org 2005-06-17 13:44 ` dnovillo at redhat dot com @ 2005-06-17 14:41 ` pinskia at gcc dot gnu dot org 2005-06-17 17:06 ` tromey at gcc dot gnu dot org ` (8 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-06-17 14:41 UTC (permalink / raw) To: java-prs -- What |Removed |Added ---------------------------------------------------------------------------- Keywords| |wrong-code Summary|Divide_1 test case hangs |[4.1 Regression] Divide_1 | |test case hangs Target Milestone|--- |4.1.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (2 preceding siblings ...) 2005-06-17 14:41 ` [Bug libgcj/22084] [4.1 Regression] " pinskia at gcc dot gnu dot org @ 2005-06-17 17:06 ` tromey at gcc dot gnu dot org 2005-06-18 5:14 ` rmathew at gcc dot gnu dot org ` (7 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: tromey at gcc dot gnu dot org @ 2005-06-17 17:06 UTC (permalink / raw) To: java-prs ------- Additional Comments From tromey at gcc dot gnu dot org 2005-06-17 17:05 ------- I can only reproduce this with 'make check'. When I compile the test case by hand with an installed compiler, it works. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (3 preceding siblings ...) 2005-06-17 17:06 ` tromey at gcc dot gnu dot org @ 2005-06-18 5:14 ` rmathew at gcc dot gnu dot org 2005-06-24 9:47 ` rmathew at gcc dot gnu dot org ` (6 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: rmathew at gcc dot gnu dot org @ 2005-06-18 5:14 UTC (permalink / raw) To: java-prs ------- Additional Comments From rmathew at gcc dot gnu dot org 2005-06-18 05:14 ------- (In reply to comment #2) > Subject: Re: Divide_1 test case hangs > > > -2147483648 > > -2147483648 > > 0 > > 0 > > [...] > > > > Note that the values are totally off. > > > This looks somewhat familiar. Could you try testing with > -fno-tree-vrp? Doesn't help. In a weird twist, I actually get the correct result if I use any optimisation level (-O{1,2,3})! (That, BTW, explains why the corresponding -O3 testcase didn't fail.) When I compile this testcase manually and run it (at -O0), I get: 1219954614 -2147483648 1174405120 12019755 0 Aborted Under the debugger: ----------------------------- 8< ----------------------------- (gdb) r Starting program: /home/rmathew/src/tmp/a.out [Thread debugging using libthread_db enabled] [New Thread -1225922896 (LWP 28945)] [New Thread -1226114128 (LWP 28948)] Program received signal SIGFPE, Arithmetic exception. [Switching to Thread -1225922896 (LWP 28945)] 0x08048bc4 in Divide_1.probe_1() (this=@4af00) at Divide_1.java:11 11 int c = a/b; Current language: auto; currently java (gdb) l 6 7 void probe_1 () 8 { 9 try { 10 int a = Integer.parseInt ("-80000000", 16); 11 int c = a/b; 12 System.out.println (c); 13 } catch (Exception _) { 14 System.out.println (_); 15 } (gdb) c Continuing. 1488390214 -2147483648 Program received signal SIGFPE, Arithmetic exception. 0x08048dd3 in Divide_1.probe_1() (this=@940004af) at Divide_1.java:27 27 int c = a%b; (gdb) l 22 System.out.println (_); 23 } 24 25 try { 26 int a = Integer.parseInt ("-80000000", 16); 27 int c = a%b; 28 System.out.println (c); 29 } catch (Exception _) { 30 System.out.println (_); 31 } (gdb) c Continuing. 1174405120 Program received signal SIGFPE, Arithmetic exception. 0x08048eed in Divide_1.probe_1() (this=@804a6) at Divide_1.java:35 35 int c = a%b1; (gdb) l 30 System.out.println (_); 31 } 32 33 try { 34 int a = Integer.parseInt ("-80000000", 16); 35 int c = a%b1; 36 System.out.println (c); 37 } catch (Exception _) { 38 System.out.println (_); 39 } (gdb) c Continuing. 12019899 0 Program received signal SIGFPE, Arithmetic exception. 0x0804912a in Divide_1.probe_1() (this=@1e0004af) at Divide_1.java:52 52 int c = a/b; (gdb) l 47 } 48 49 try { 50 int a = Integer.parseInt ("8000", 16); 51 int b = Integer.parseInt ("0", 16); 52 int c = a/b; 53 System.out.println (c); 54 } catch (Exception _) { 55 System.out.println (_); 56 } (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. uw_frame_state_for (context=0xbfffe6b8, fs=0xbfffe5f8) at linux-unwind.h:125 125 if (*(unsigned short *)(pc+0) == 0xb858 (gdb) p pc No symbol "pc" in current context. (gdb) p context->ra $1 = (void *) 0x62f (gdb) p *context $2 = {reg = {0xbffff01c, 0xbffff018, 0xbffff014, 0xbffff4b1, 0x0, 0xbffff008, 0xbffff004, 0xbffff000, 0xbffff4b5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, cfa = 0xbffff4b9, ra = 0x62f, lsda = 0x0, bases = {tbase = 0x0, dbase = 0x804bc18, func = 0x8048b86}, args_size = 0} (gdb) bt #0 uw_frame_state_for (context=0xbfffe6b8, fs=0xbfffe5f8) at linux-unwind.h:125 #1 0xb7fe5632 in _Unwind_Backtrace ( trace=0xb765d920 <_Jv_StackTrace::UnwindTraceFn(_Unwind_Context*, void*)>, trace_argument=0xbfffef30) at unwind.inc:293 #2 0xb765dac0 in _Jv_StackTrace::GetStackTrace () at /extra/src/gcc/gcc-20050618/libjava/stacktrace.cc:159 #3 0xb768e29c in java::lang::VMThrowable::fillInStackTrace () at /extra/src/gcc/gcc-20050618/libjava/java/lang/natVMThrowable.cc:33 #4 0xb7871a52 in java.lang.Throwable.fillInStackTrace() (this=0x4f858) at Throwable.java:498 #5 0xb7867532 in java.lang.Throwable.Throwable(java.lang.String) ( this=0x4f858, message=0x62f) at Throwable.java:159 #6 0xb7869f53 in java.lang.Exception.Exception(java.lang.String) (this=0x62f, s=0x62f) at Exception.java:77 #7 0xb7869fe3 in java.lang.RuntimeException.RuntimeException(java.lang.String) (this=0x62f, s=0x62f) at RuntimeException.java:75 #8 0xb786c273 in java.lang.ArithmeticException.ArithmeticException(java.lang.String) (this=0x62f, s=0x62f) at ArithmeticException.java:74 #9 0xb7650cde in catch_fpe (_dummy=8) at /extra/src/gcc/gcc-20050618/libjava/prims.cc:166 #10 <signal handler called> #11 0x0804912c in Divide_1.probe_1() (this=0x1e0004af) at Divide_1.java:52 ---Type <return> to continue, or q <return> to quit--- #12 0x0000062f in ?? () #13 0x1e0004af in ?? () #14 0x000804a6 in ?? () #15 0x940004af in ?? () #16 0x08b7d3fa in ?? () #17 0x6dbffff5 in ?? () #18 0x00b78755 in ?? () #19 0x00b7e202 in ?? () [...and so on for 733 frames after which GDB 6.3 barfs out.] ----------------------------- 8< ----------------------------- -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (4 preceding siblings ...) 2005-06-18 5:14 ` rmathew at gcc dot gnu dot org @ 2005-06-24 9:47 ` rmathew at gcc dot gnu dot org 2005-07-14 18:50 ` pinskia at gcc dot gnu dot org ` (5 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: rmathew at gcc dot gnu dot org @ 2005-06-24 9:47 UTC (permalink / raw) To: java-prs ------- Additional Comments From rmathew at gcc dot gnu dot org 2005-06-24 09:47 ------- Today (20050624, IST), it seems to have become worse. Till now I used to see 2 FAILs, now I see 6 FAILs: FAIL: Divide_1 execution - source compiled test FAIL: Divide_1 output - gij test FAIL: Divide_1 execution - bytecode->native test FAIL: Divide_1 -O3 output - source compiled test FAIL: Divide_1 output - gij test FAIL: Divide_1 -O3 output - bytecode->native test S.N.A.F.U. -- What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2005-06-17 13:13:47 |2005-06-24 09:47:12 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (5 preceding siblings ...) 2005-06-24 9:47 ` rmathew at gcc dot gnu dot org @ 2005-07-14 18:50 ` pinskia at gcc dot gnu dot org 2005-07-28 4:45 ` phython at gcc dot gnu dot org ` (4 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-07-14 18:50 UTC (permalink / raw) To: java-prs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-14 18:49 ------- This is most likely just the same problem as PR 22493. -- What |Removed |Added ---------------------------------------------------------------------------- BugsThisDependsOn| |22493 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (6 preceding siblings ...) 2005-07-14 18:50 ` pinskia at gcc dot gnu dot org @ 2005-07-28 4:45 ` phython at gcc dot gnu dot org 2005-07-28 4:51 ` phython at gcc dot gnu dot org ` (3 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: phython at gcc dot gnu dot org @ 2005-07-28 4:45 UTC (permalink / raw) To: java-prs -- Bug 22084 depends on bug 22493, which changed state. Bug 22493 Summary: [4.1 Regression] with -fwrapv -INT_MIN is still not positive http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22493 What |Old Value |New Value ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Status|NEW |ASSIGNED Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (7 preceding siblings ...) 2005-07-28 4:45 ` phython at gcc dot gnu dot org @ 2005-07-28 4:51 ` phython at gcc dot gnu dot org 2005-07-28 7:45 ` rmathew at gcc dot gnu dot org ` (2 subsequent siblings) 11 siblings, 0 replies; 13+ messages in thread From: phython at gcc dot gnu dot org @ 2005-07-28 4:51 UTC (permalink / raw) To: java-prs ------- Additional Comments From phython at gcc dot gnu dot org 2005-07-28 04:51 ------- Fixing pr 22493 fixed all the Divide_1 problems on ia64. -- What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (8 preceding siblings ...) 2005-07-28 4:51 ` phython at gcc dot gnu dot org @ 2005-07-28 7:45 ` rmathew at gcc dot gnu dot org 2005-07-28 17:00 ` pinskia at gcc dot gnu dot org 2005-09-09 13:05 ` cvs-commit at gcc dot gnu dot org 11 siblings, 0 replies; 13+ messages in thread From: rmathew at gcc dot gnu dot org @ 2005-07-28 7:45 UTC (permalink / raw) To: java-prs ------- Additional Comments From rmathew at gcc dot gnu dot org 2005-07-28 07:45 ------- Sorry, but I still see the following failures on i686-pc-linux-gnu: FAIL: Divide_1 execution - source compiled test FAIL: Divide_1 execution - bytecode->native test Interestingly, the "-O3" executions produce the correct (expected) results. -- What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|FIXED | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (9 preceding siblings ...) 2005-07-28 7:45 ` rmathew at gcc dot gnu dot org @ 2005-07-28 17:00 ` pinskia at gcc dot gnu dot org 2005-09-09 13:05 ` cvs-commit at gcc dot gnu dot org 11 siblings, 0 replies; 13+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-07-28 17:00 UTC (permalink / raw) To: java-prs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-28 17:00 ------- (In reply to comment #8) > Sorry, but I still see the following failures on > i686-pc-linux-gnu: But that is PR 22166. The orginal problem has been fixed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug libgcj/22084] [4.1 Regression] Divide_1 test case hangs 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org ` (10 preceding siblings ...) 2005-07-28 17:00 ` pinskia at gcc dot gnu dot org @ 2005-09-09 13:05 ` cvs-commit at gcc dot gnu dot org 11 siblings, 0 replies; 13+ messages in thread From: cvs-commit at gcc dot gnu dot org @ 2005-09-09 13:05 UTC (permalink / raw) To: java-prs ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-09-09 13:05 ------- Subject: Bug 22084 CVSROOT: /cvs/gcc Module name: gcc Changes by: aph@gcc.gnu.org 2005-09-09 13:05:20 Modified files: libjava : ChangeLog libjava/include: i386-signal.h Log message: 2005-09-08 Andrew Haley <aph@redhat.com> PR java/22084 * include/i386-signal.h (HANDLE_DIVIDE_OVERFLOW): Bump IP by 1 if R/M field in instruction is 100. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libjava/ChangeLog.diff?cvsroot=gcc&r1=1.3735&r2=1.3736 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libjava/include/i386-signal.h.diff?cvsroot=gcc&r1=1.19&r2=1.20 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22084 ^ permalink raw reply [flat|nested] 13+ messages in thread
end of thread, other threads:[~2005-09-09 13:05 UTC | newest] Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-06-15 23:03 [Bug libgcj/22084] New: Divide_1 test case hangs tromey at gcc dot gnu dot org 2005-06-17 13:13 ` [Bug libgcj/22084] " rmathew at gcc dot gnu dot org 2005-06-17 13:44 ` dnovillo at redhat dot com 2005-06-17 14:41 ` [Bug libgcj/22084] [4.1 Regression] " pinskia at gcc dot gnu dot org 2005-06-17 17:06 ` tromey at gcc dot gnu dot org 2005-06-18 5:14 ` rmathew at gcc dot gnu dot org 2005-06-24 9:47 ` rmathew at gcc dot gnu dot org 2005-07-14 18:50 ` pinskia at gcc dot gnu dot org 2005-07-28 4:45 ` phython at gcc dot gnu dot org 2005-07-28 4:51 ` phython at gcc dot gnu dot org 2005-07-28 7:45 ` rmathew at gcc dot gnu dot org 2005-07-28 17:00 ` pinskia at gcc dot gnu dot org 2005-09-09 13:05 ` cvs-commit at gcc dot gnu dot org
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