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* [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
@ 2013-07-09 11:23 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
2013-07-09 17:10 ` [Bug tree-optimization/57864] " mikpe at it dot uu.se
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de @ 2013-07-09 11:23 UTC (permalink / raw)
To: gcc-bugs
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="UTF-8", Size: 6675 bytes --]
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
Bug ID: 57864
Summary: [4.7 Regression] ICE in bitmap_set_replace_value, at
tree-ssa-pre.c:862
Product: gcc
Version: 4.7.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
Created attachment 30482
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30482&action=edit
Reduced testcase, crashes 4.7.3 when compiled with -O3 -m64
The attached reduced testcase produces an ICE on 4.7.3 when compiled with -O3.
-O2 is fine, as is 4.7.2 and 4.8.0. Compilation with -m32 likewise passes.
$ /opt/gccs/4.7.3/bin/g++--4.7.3 -c -O3 -m64 testcase.cpp
testcase.cpp: In function âvoid _ZL3fn1P1Xib.constprop.0(X*, bool)â:
testcase.cpp:18:1: internal compiler error: in bitmap_set_replace_value, at
tree-ssa-pre.c:862
This seems to be related to bug 55888 and bug 55107.
Full details:
$ /opt/gccs/4.7.3/bin/g++--4.7.3 -v -c -O3 -m64 testcase.cpp
Using built-in specs.
COLLECT_GCC=/opt/gccs/4.7.3/bin/g++--4.7.3
Target: x86_64-unknown-linux-gnu
Configured with: ../src/gcc-4.7.3/configure --prefix=/opt/gccs/4.7.3
--program-suffix=--4.7.3 --enable-languages=c,c++ --disable-bootstrap
Thread model: posix
gcc version 4.7.3 (GCC)
COLLECT_GCC_OPTIONS='-v' '-c' '-O3' '-m64' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/opt/gccs/4.7.3/libexec/gcc/x86_64-unknown-linux-gnu/4.7.3/cc1plus -quiet -v
-D_GNU_SOURCE testcase.cpp -quiet -dumpbase testcase.cpp -m64 -mtune=generic
-march=x86-64 -auxbase testcase -O3 -version -o /tmp/ccm58ig9.s
GNU C++ (GCC) version 4.7.3 (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.4.5, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/opt/gccs/4.7.3/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/opt/gccs/4.7.3/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../include/c++/4.7.3
/opt/gccs/4.7.3/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../include/c++/4.7.3/x86_64-unknown-linux-gnu
/opt/gccs/4.7.3/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../include/c++/4.7.3/backward
/opt/gccs/4.7.3/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/include
/opt/gccs/4.7.3/include
/opt/gccs/4.7.3/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/include-fixed
/usr/include
End of search list.
GNU C++ (GCC) version 4.7.3 (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.4.5, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 4073671a6c09c56d7812f3b7ae137fde
testcase.cpp: In function âvoid _ZL3fn1P1Xib.constprop.0(X*, bool)â:
testcase.cpp:18:1: internal compiler error: in bitmap_set_replace_value, at
tree-ssa-pre.c:862
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
>From gcc-bugs-return-426018-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Jul 09 11:38:18 2013
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From: "sebastian.huber@embedded-brains.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/57865] New: Broken _save64gpr and _rest64gpr usage
Date: Tue, 09 Jul 2013 11:38:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
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X-Bugzilla-Who: sebastian.huber@embedded-brains.de
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idW865
Bug ID: 57865
Summary: Broken _save64gpr and _rest64gpr usage
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sebastian.huber@embedded-brains.de
Created attachment 30483
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id0483&actioníit
Test case.
The 64-bit GPR save and restore sequence is broken and destroys the link
register saved on the stack:
powerpc-eabi-gcc -mcpu
40 -mspe -mabi=spe -mfloat-gprs=double -Os -S test.c
diff -u test-4.7.2.s test-4.8.1.s
--- test-4.7.2.s 2013-07-09 13:09:56.418360402 +0200
+++ test-4.8.1.s 2013-07-09 13:31:59.097519823 +0200
@@ -6,7 +6,7 @@
f:
stwu 1,-56(1)
mflr 0
- addi 11,1,-88
+ addi 11,1,-80
stw 0,60(1)
bl _save64gpr_29
mr 29,3
@@ -15,16 +15,16 @@
stw 6,24(1)
bl g
lwz 5,16(1)
+ lwz 6,24(1)
+ evmergelo 31,3,4
stw 3,8(1)
stw 4,12(1)
mr 3,29
- lwz 6,24(1)
mr 4,30
- evldd 31,8(1)
bl h
- addi 11,1,-88
+ addi 11,1,-80
efdctsiz 3,31
b _rest64gpr_29_x
.size f, .-f
- .ident "GCC: (GNU) 4.7.2"
+ .ident "GCC: (GNU) 4.8.1"
.gnu_attribute 4, 2
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
@ 2013-07-09 17:10 ` mikpe at it dot uu.se
2013-07-09 20:01 ` mikpe at it dot uu.se
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: mikpe at it dot uu.se @ 2013-07-09 17:10 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #1 from Mikael Pettersson <mikpe at it dot uu.se> ---
Created attachment 30486
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30486&action=edit
slightly reduced test case in plain C
Doesn't depend on C++, this plain C version also ICEs 4.7.3.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
2013-07-09 17:10 ` [Bug tree-optimization/57864] " mikpe at it dot uu.se
@ 2013-07-09 20:01 ` mikpe at it dot uu.se
2013-08-27 13:34 ` rguenth at gcc dot gnu.org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: mikpe at it dot uu.se @ 2013-07-09 20:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> ---
The ICE on 4.7 branch started with the PR55107 backport in r195755.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
2013-07-09 17:10 ` [Bug tree-optimization/57864] " mikpe at it dot uu.se
2013-07-09 20:01 ` mikpe at it dot uu.se
@ 2013-08-27 13:34 ` rguenth at gcc dot gnu.org
2014-05-06 12:49 ` rguenth at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-08-27 13:34 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2013-08-27
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Target Milestone|--- |4.7.4
Ever confirmed|0 |1
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed, mine. I _think_ I have fixed a duplicate of this on trunk/4.8 ...
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (2 preceding siblings ...)
2013-08-27 13:34 ` rguenth at gcc dot gnu.org
@ 2014-05-06 12:49 ` rguenth at gcc dot gnu.org
2014-05-06 13:27 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-06 12:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Priority|P3 |P2
Known to work| |4.7.2, 4.8.0
Known to fail| |4.7.3
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (3 preceding siblings ...)
2014-05-06 12:49 ` rguenth at gcc dot gnu.org
@ 2014-05-06 13:27 ` rguenth at gcc dot gnu.org
2014-05-07 8:04 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-06 13:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Caused by
static pre_expr
phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
basic_block pred, basic_block phiblock)
{
...
case NAME:
{
...
if (TREE_CODE (def) == SSA_NAME)
def = VN_INFO (def)->valnum;
picking up VN inserted expressions. I re-wrote this as part of
2012-09-24 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (bitmap_find_leader, create_expression_by_pieces,
find_or_generate_expression): Remove dominating stmt argument.
(find_leader_in_sets, phi_translate_1, bitmap_find_leader,
create_component_ref_by_pieces_1, create_component_ref_by_pieces,
do_regular_insertion, do_partial_partial_insertion): Adjust.
(compute_avail): Do not set uids.
and that fixed it. I am going to try backporting that change in isolation.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (4 preceding siblings ...)
2014-05-06 13:27 ` rguenth at gcc dot gnu.org
@ 2014-05-07 8:04 ` rguenth at gcc dot gnu.org
2014-05-07 8:05 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-07 8:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed May 7 08:04:15 2014
New Revision: 210142
URL: http://gcc.gnu.org/viewcvs?rev=210142&root=gcc&view=rev
Log:
2014-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/57864
* gcc.dg/torture/pr57864.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr57864.c
Modified:
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (5 preceding siblings ...)
2014-05-07 8:04 ` rguenth at gcc dot gnu.org
@ 2014-05-07 8:05 ` rguenth at gcc dot gnu.org
2014-05-07 8:06 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-07 8:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed May 7 08:05:17 2014
New Revision: 210143
URL: http://gcc.gnu.org/viewcvs?rev=210143&root=gcc&view=rev
Log:
2014-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/57864
* gcc.dg/torture/pr57864.c: New testcase.
Added:
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr57864.c
Modified:
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (6 preceding siblings ...)
2014-05-07 8:05 ` rguenth at gcc dot gnu.org
@ 2014-05-07 8:06 ` rguenth at gcc dot gnu.org
2014-05-07 8:07 ` rguenth at gcc dot gnu.org
2014-05-07 8:07 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-07 8:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed May 7 08:05:57 2014
New Revision: 210144
URL: http://gcc.gnu.org/viewcvs?rev=210144&root=gcc&view=rev
Log:
2014-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/57864
* tree-ssa-pre.c (phi_translate_1): Backport NAME case
simplification from mainline. Do not lookup the VN
value-number here.
* gcc.dg/torture/pr57864.c: New testcase.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr57864.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-ssa-pre.c
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (7 preceding siblings ...)
2014-05-07 8:06 ` rguenth at gcc dot gnu.org
@ 2014-05-07 8:07 ` rguenth at gcc dot gnu.org
2014-05-07 8:07 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-07 8:07 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/57864] [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862
2013-07-09 11:23 [Bug tree-optimization/57864] New: [4.7 Regression] ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862 j-1fabfe3bb3efc0eaf9750936b80a1c20 at sharpwave dot de
` (8 preceding siblings ...)
2014-05-07 8:07 ` rguenth at gcc dot gnu.org
@ 2014-05-07 8:07 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-07 8:07 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57864
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed May 7 08:06:45 2014
New Revision: 210145
URL: http://gcc.gnu.org/viewcvs?rev=210145&root=gcc&view=rev
Log:
2014-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/57864
* gcc.dg/torture/pr57864.c: New testcase.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr57864.c
Modified:
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
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