public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code
@ 2013-01-30 15:53 jakub at gcc dot gnu.org
2013-01-30 17:17 ` [Bug debug/56154] " jakub at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-01-30 15:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
Bug #: 56154
Summary: [4.7/4.8 Regression] Bad .debug_loc generated for some
code
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: jakub@gcc.gnu.org
ReportedBy: jakub@gcc.gnu.org
Since http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175076
without inline asm, but with inline asm even before, we can end up with
a .debug_loc location list which for the first function in .text starts with
0, 0 entry.
See https://bugzilla.redhat.com/show_bug.cgi?id=904252 for more details.
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7/4.8 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
@ 2013-01-30 17:17 ` jakub at gcc dot gnu.org
2013-01-30 17:22 ` jakub at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-01-30 17:17 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-30 17:16:08 UTC ---
Created attachment 29308
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29308
gcc48-pr56154.patch
Untested fix, together with guality testcases that show the issue. On x86_64,
without the dwarf2out.c change I see with:
make check-gcc \
RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} guality.exp=pr56154*.c'
Running target unix/-m32
Using /usr/share/dejagnu/baseboards/unix.exp as board description file for
target.
Using /usr/share/dejagnu/config/unix.exp as generic interface file for target.
Using /usr/src/gcc/gcc/testsuite/config/default.exp as tool-and-target-specific
interface file.
Running /usr/src/gcc/gcc/testsuite/gcc.dg/guality/guality.exp ...
FAIL: gcc.dg/guality/pr56154-2.c -O1 line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-2.c -O2 line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-2.c -O3 -fomit-frame-pointer line pr56154-2.c:30
x == 28
FAIL: gcc.dg/guality/pr56154-2.c -O3 -g line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O1 line pr56154-3.c:22 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O2 line pr56154-3.c:22 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O3 -fomit-frame-pointer line pr56154-3.c:22
x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O3 -g line pr56154-3.c:22 x == 28
Running target unix/-m64
Using /usr/share/dejagnu/baseboards/unix.exp as board description file for
target.
Using /usr/share/dejagnu/config/unix.exp as generic interface file for target.
Using /usr/src/gcc/gcc/testsuite/config/default.exp as tool-and-target-specific
interface file.
Running /usr/src/gcc/gcc/testsuite/gcc.dg/guality/guality.exp ...
FAIL: gcc.dg/guality/pr56154-1.c -O1 line pr56154-1.c:17 x.a == 4
FAIL: gcc.dg/guality/pr56154-1.c -O1 line pr56154-1.c:20 x.a == 6
FAIL: gcc.dg/guality/pr56154-1.c -O2 line pr56154-1.c:17 x.a == 4
FAIL: gcc.dg/guality/pr56154-1.c -O2 line pr56154-1.c:20 x.a == 6
FAIL: gcc.dg/guality/pr56154-1.c -O3 -fomit-frame-pointer line pr56154-1.c:17
x.a == 4
FAIL: gcc.dg/guality/pr56154-1.c -O3 -fomit-frame-pointer line pr56154-1.c:20
x.a == 6
FAIL: gcc.dg/guality/pr56154-1.c -O3 -g line pr56154-1.c:17 x.a == 4
FAIL: gcc.dg/guality/pr56154-1.c -O3 -g line pr56154-1.c:20 x.a == 6
FAIL: gcc.dg/guality/pr56154-1.c -Os line pr56154-1.c:17 x.a == 4
FAIL: gcc.dg/guality/pr56154-1.c -Os line pr56154-1.c:20 x.a == 6
FAIL: gcc.dg/guality/pr56154-2.c -O1 line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-2.c -O2 line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-2.c -O3 -fomit-frame-pointer line pr56154-2.c:30
x == 28
FAIL: gcc.dg/guality/pr56154-2.c -O3 -g line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-2.c -Os line pr56154-2.c:30 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O1 line pr56154-3.c:22 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O2 line pr56154-3.c:22 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O3 -fomit-frame-pointer line pr56154-3.c:22
x == 28
FAIL: gcc.dg/guality/pr56154-3.c -O3 -g line pr56154-3.c:22 x == 28
FAIL: gcc.dg/guality/pr56154-3.c -Os line pr56154-3.c:22 x == 28
while with it everything passes.
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7/4.8 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
2013-01-30 17:17 ` [Bug debug/56154] " jakub at gcc dot gnu.org
@ 2013-01-30 17:22 ` jakub at gcc dot gnu.org
2013-02-07 14:49 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-01-30 17:22 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2013-01-30
CC| |aoliva at gcc dot gnu.org
Target Milestone|--- |4.7.3
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7/4.8 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
2013-01-30 17:17 ` [Bug debug/56154] " jakub at gcc dot gnu.org
2013-01-30 17:22 ` jakub at gcc dot gnu.org
@ 2013-02-07 14:49 ` jakub at gcc dot gnu.org
2013-02-07 15:19 ` [Bug debug/56154] [4.7 " jakub at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-07 14:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-07 14:48:51 UTC ---
Author: jakub
Date: Thu Feb 7 14:48:39 2013
New Revision: 195850
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195850
Log:
PR debug/56154
* dwarf2out.c (dwarf2_debug_hooks): Set end_function hook to
dwarf2out_end_function.
(in_first_function_p, maybe_at_text_label_p,
first_loclabel_num_not_at_text_label): New variables.
(dwarf2out_var_location): In the first function find out
lowest loclabel_num N where .LVLN is known not to be equal
to .Ltext0.
(find_empty_loc_ranges_at_text_label, dwarf2out_end_function): New
functions.
* gcc.dg/guality/pr56154-1.c: New test.
* gcc.dg/guality/pr56154-2.c: New test.
* gcc.dg/guality/pr56154-3.c: New test.
* gcc.dg/guality/pr56154-4.c: New test.
* gcc.dg/guality/pr56154-aux.c: New file.
Added:
trunk/gcc/testsuite/gcc.dg/guality/pr56154-1.c
trunk/gcc/testsuite/gcc.dg/guality/pr56154-2.c
trunk/gcc/testsuite/gcc.dg/guality/pr56154-3.c
trunk/gcc/testsuite/gcc.dg/guality/pr56154-4.c
trunk/gcc/testsuite/gcc.dg/guality/pr56154-aux.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/dwarf2out.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
` (2 preceding siblings ...)
2013-02-07 14:49 ` jakub at gcc dot gnu.org
@ 2013-02-07 15:19 ` jakub at gcc dot gnu.org
2013-04-03 9:50 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-07 15:19 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.7/4.8 Regression] Bad |[4.7 Regression] Bad
|.debug_loc generated for |.debug_loc generated for
|some code |some code
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-07 15:18:55 UTC ---
Fixed on the trunk so far.
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
` (3 preceding siblings ...)
2013-02-07 15:19 ` [Bug debug/56154] [4.7 " jakub at gcc dot gnu.org
@ 2013-04-03 9:50 ` rguenth at gcc dot gnu.org
2013-04-11 7:59 ` rguenth at gcc dot gnu.org
2014-06-12 13:22 ` rguenth at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-04-03 9:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
` (4 preceding siblings ...)
2013-04-03 9:50 ` rguenth at gcc dot gnu.org
@ 2013-04-11 7:59 ` rguenth at gcc dot gnu.org
2014-06-12 13:22 ` rguenth at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-04-11 7:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.7.3 |4.7.4
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-11 07:59:32 UTC ---
GCC 4.7.3 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug debug/56154] [4.7 Regression] Bad .debug_loc generated for some code
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
` (5 preceding siblings ...)
2013-04-11 7:59 ` rguenth at gcc dot gnu.org
@ 2014-06-12 13:22 ` rguenth at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-06-12 13:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56154
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|4.7.4 |4.8.0
Known to fail| |4.7.4
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed for 4.8.0?
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2014-06-12 13:22 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-01-30 15:53 [Bug debug/56154] New: [4.7/4.8 Regression] Bad .debug_loc generated for some code jakub at gcc dot gnu.org
2013-01-30 17:17 ` [Bug debug/56154] " jakub at gcc dot gnu.org
2013-01-30 17:22 ` jakub at gcc dot gnu.org
2013-02-07 14:49 ` jakub at gcc dot gnu.org
2013-02-07 15:19 ` [Bug debug/56154] [4.7 " jakub at gcc dot gnu.org
2013-04-03 9:50 ` rguenth at gcc dot gnu.org
2013-04-11 7:59 ` rguenth at gcc dot gnu.org
2014-06-12 13:22 ` rguenth at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).