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* [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
@ 2011-02-09 0:43 zsojka at seznam dot cz
2011-02-09 4:02 ` [Bug middle-end/47653] " hjl.tools at gmail dot com
` (13 more replies)
0 siblings, 14 replies; 15+ messages in thread
From: zsojka at seznam dot cz @ 2011-02-09 0:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Summary: [4.6 Regression] gcc.c-torture/execute/930614-2.c
FAILs with -fstack-check=generic -fgraphite-identity
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
CC: spop@gcc.gnu.org
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 23280
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23280
reduced testcase
Output:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-169929-lto-fortran-checking-yes-rtl-df/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-169929-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-169929-lto-fortran-checking-yes-rtl-df/
--with-cloog --with-ppl --with-cloog-include=/usr/include/cloog-ppl/
Thread model: posix
gcc version 4.6.0 20110208 (experimental) (GCC)
$ gcc -O -fstack-check=generic -ftree-pre -fgraphite-identity testcase.c
$ ./a.out
Segmentation fault
Program received signal SIGSEGV, Segmentation fault.
0x0000000000400552 in main () at testcase.c:7
7 x[i][j] = 0;
(gdb) disassemble
0x0000000000400549 <+101>: lea (%rcx,%rax,1),%edx
0x000000000040054c <+104>: movslq %edx,%rdx
0x000000000040054f <+107>: add %rsi,%rdx
=> 0x0000000000400552 <+110>: movl $0x0,(%r8,%rdx,4)
0x000000000040055a <+118>: add $0x1,%rax
0x000000000040055e <+122>: lea -0x1(%rax),%rdx
0x0000000000400562 <+126>: cmp %rdi,%rdx
0x0000000000400565 <+129>: jl 0x400549 <main+101>
Tested revisions:
r169929 - fail
4.5.2 - OK
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
@ 2011-02-09 4:02 ` hjl.tools at gmail dot com
2011-02-18 16:04 ` law at redhat dot com
` (12 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: hjl.tools at gmail dot com @ 2011-02-09 4:02 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.02.09 03:56:58
Target Milestone|--- |4.6.0
Ever Confirmed|0 |1
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-02-09 03:56:58 UTC ---
It is caused by revision 168211:
http://gcc.gnu.org/ml/gcc-cvs/2010-12/msg00896.html
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
2011-02-09 4:02 ` [Bug middle-end/47653] " hjl.tools at gmail dot com
@ 2011-02-18 16:04 ` law at redhat dot com
2011-02-18 16:59 ` spop at gcc dot gnu.org
` (11 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: law at redhat dot com @ 2011-02-18 16:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
CC| |law at redhat dot com
AssignedTo|unassigned at gcc dot |spop at gcc dot gnu.org
|gnu.org |
--- Comment #2 from Jeffrey A. Law <law at redhat dot com> 2011-02-18 15:36:46 UTC ---
This appears to be a bug in the graphite transformations. Prior to graphite
transformations we have the following function with two nested loops:
# BLOCK 2 freq:139
# PRED: ENTRY [100.0%] (fallthru,exec)
# .MEM_13 = VDEF <.MEM_12(D)>
saved_stack.1_3 = __builtin_stack_save ();
# .MEM_14 = VDEF <.MEM_13>
x.0_4 = __builtin_alloca (256);
goto <bb 8>;
# SUCC: 8 [100.0%] (fallthru,exec)
# BLOCK 3 freq:7901
# PRED: 4 [88.9%] (true,exec)
# SUCC: 4 [100.0%] (fallthru,exec)
# BLOCK 4 freq:8889
# PRED: 3 [100.0%] (fallthru,exec) 9 [100.0%] (fallthru,exec)
# j_23 = PHI <j_7(3), j_5(9)>
# .MEM_24 = PHI <.MEM_15(3), .MEM_6(9)>
# .MEM_15 = VDEF <.MEM_24>
*x.0_4[j_5][j_23] = 0;
j_7 = j_23 + 1;
if (j_7 <= 7)
goto <bb 3>;
else
goto <bb 5>;
# SUCC: 3 [88.9%] (true,exec) 5 [11.1%] (false,exec)
# BLOCK 5 freq:988
# PRED: 4 [11.1%] (false,exec)
# .MEM_19 = PHI <.MEM_15(4)>
# SUCC: 6 [100.0%] (fallthru,exec)
# BLOCK 6 freq:1111
# PRED: 5 [100.0%] (fallthru,exec) 8 [11.1%] (false,exec)
# .MEM_25 = PHI <.MEM_19(5), .MEM_6(8)>
i_8 = j_5 + 1;
if (i_8 <= 7)
goto <bb 7>;
else
goto <bb 10>;
# SUCC: 7 [88.9%] (true,exec) 10 [11.1%] (false,exec)
# BLOCK 7 freq:988
# PRED: 6 [88.9%] (true,exec)
# SUCC: 8 [100.0%] (fallthru,exec)
# BLOCK 8 freq:1111
# PRED: 7 [100.0%] (fallthru,exec) 2 [100.0%] (fallthru,exec)
# j_5 = PHI <i_8(7), 0(2)>
# .MEM_6 = PHI <.MEM_25(7), .MEM_14(2)>
if (j_5 <= 7)
goto <bb 9>;
else
goto <bb 6>;
# SUCC: 9 [88.9%] (true,exec) 6 [11.1%] (false,exec)
# BLOCK 9 freq:988
# PRED: 8 [88.9%] (true,exec)
goto <bb 4>;
# SUCC: 4 [100.0%] (fallthru,exec)
# BLOCK 10 freq:139
# PRED: 6 [11.1%] (false,exec)
# .MEM_16 = VDEF <.MEM_25>
__builtin_stack_restore (saved_stack.1_3);
return 0;
# SUCC: EXIT [100.0%]
Pretty simple stuff.
Graphite transforms it into:
# BLOCK 2 freq:313
# PRED: ENTRY [100.0%] (fallthru,exec)
# .MEM_13 = VDEF <.MEM_12(D)>
saved_stack.1_3 = __builtin_stack_save ();
# .MEM_14 = VDEF <.MEM_13>
x.0_4 = __builtin_alloca (256);
# SUCC: 3 [100.0%] (fallthru)
# BLOCK 3 freq:2500
# PRED: 2 [100.0%] (fallthru) 8 [100.0%] (fallthru,dfs_back)
# graphite_IV.5_11 = PHI <0(2), graphite_IV.5_1(8)>
# .MEM_33 = PHI <.MEM_14(2), .MEM_34(8)>
D.2701_22 = 8 - graphite_IV.5_11;
D.2702_21 = D.2701_22 > 0;
if (D.2702_21 != 0)
goto <bb 4>;
else
goto <bb 7>;
# SUCC: 4 [50.0%] (true) 7 [50.0%] (false)
# BLOCK 4 freq:1250
# PRED: 3 [50.0%] (true)
D.2704_10 = (<unnamed-signed:64>) graphite_IV.5_11;
D.2705_2 = D.2704_10 * 4294967295;
D.2706_18 = D.2705_2 + 7;
# SUCC: 5 [100.0%] (fallthru)
# BLOCK 5 freq:10000
# PRED: 4 [100.0%] (fallthru) 6 [100.0%] (fallthru,dfs_back)
# graphite_IV.6_17 = PHI <0(4), graphite_IV.6_26(6)>
# .MEM_35 = PHI <.MEM_33(4), .MEM_27(6)>
D.2707_28 = (int) graphite_IV.5_11;
D.2708_29 = (int) graphite_IV.5_11;
D.2709_30 = (int) graphite_IV.6_17;
D.2710_31 = D.2708_29 + D.2709_30;
# .MEM_27 = VDEF <.MEM_35>
*x.0_4[D.2707_28][D.2710_31] = 0;
graphite_IV.6_26 = graphite_IV.6_17 + 1;
if (graphite_IV.6_17 < D.2706_18)
goto <bb 6>;
else
goto <bb 7>;
# SUCC: 6 [87.5%] (true) 7 [12.5%] (loop_exit,false)
# BLOCK 6 freq:8750
# PRED: 5 [87.5%] (true)
goto <bb 5>;
# SUCC: 5 [100.0%] (fallthru,dfs_back)
# BLOCK 7 freq:2500
# PRED: 5 [12.5%] (loop_exit,false) 3 [50.0%] (false)
# .MEM_34 = PHI <.MEM_27(5), .MEM_33(3)>
graphite_IV.5_1 = graphite_IV.5_11 + 1;
if (graphite_IV.5_11 < 7)
goto <bb 8>;
else
goto <bb 9>;
# SUCC: 8 [87.5%] (true) 9 [12.5%] (loop_exit,false)
# BLOCK 8 freq:2188
# PRED: 7 [87.5%] (true)
goto <bb 3>;
# SUCC: 3 [100.0%] (fallthru,dfs_back)
# BLOCK 9 freq:313
# PRED: 7 [12.5%] (loop_exit,false)
# .MEM_32 = PHI <.MEM_34(7)>
# .MEM_16 = VDEF <.MEM_32>
__builtin_stack_restore (saved_stack.1_3);
return 0;
# SUCC: EXIT [100.0%]
Of particular interest is the assignment to D.2705_2 in block #4:
D.2705_2 = D.2704_10 * 4294967295;
D.2706_18 = D.2705_2 + 7;
That makes absolutely no sense. Particularly since D.2706_18 is later used to
control loop termination in BB5. Note D.2706 is a 64bit type, so we really
are multiplying by 4294967295. Needless to say this causes the loop
termination condition to do something different than was originally intended.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
2011-02-09 4:02 ` [Bug middle-end/47653] " hjl.tools at gmail dot com
2011-02-18 16:04 ` law at redhat dot com
@ 2011-02-18 16:59 ` spop at gcc dot gnu.org
2011-02-18 18:50 ` spop at gcc dot gnu.org
` (10 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-02-18 16:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #3 from Sebastian Pop <spop at gcc dot gnu.org> 2011-02-18 16:58:02 UTC ---
Thanks jeff for analyzing the cause of this bug: indeed
D.2705_2 = D.2704_10 * 4294967295;
doesn't seem to be correct.
Looking at the patch that introduced this bug, it is clear that this stmt
should have been:
D.2705_2 = D.2704_10 * -1;
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (2 preceding siblings ...)
2011-02-18 16:59 ` spop at gcc dot gnu.org
@ 2011-02-18 18:50 ` spop at gcc dot gnu.org
2011-03-25 19:56 ` [Bug middle-end/47653] [4.6/4.7 " jakub at gcc dot gnu.org
` (9 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-02-18 18:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
--- Comment #4 from Sebastian Pop <spop at gcc dot gnu.org> 2011-02-18 18:28:13 UTC ---
http://gcc.gnu.org/viewcvs?view=revision&revision=168211
removed all the uses of int_cst_value and replaced them with
tree_int_to_gmp, and here is what happens:
Breakpoint 5, scan_tree_for_params_right_scev (s=0x190a300, e=0x7ffff7ec96b8,
var=1, expr=0x190cb20) at ../../gcc/graphite-sese-to-poly.c:637
(gdb) p e
$1 = (tree) 0x7ffff7ec96b8
(gdb) pgs
4294967295
(gdb) p int_cst_value (e)
$2 = -1
(gdb) p e
$3 = (tree) 0x7ffff7ec96b8
(gdb) pt
<integer_cst 0x7ffff7ec96b8 type <integer_type 0x7ffff7edc540 unsigned int>
constant 4294967295>
The reason int_cst_value returns -1 is that it sign extends the value:
unsigned HOST_WIDE_INT val = TREE_INT_CST_LOW (x);
bool negative = ((val >> (bits - 1)) & 1) != 0;
if (negative)
val |= (~(unsigned HOST_WIDE_INT) 0) << (bits - 1) << 1;
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (3 preceding siblings ...)
2011-02-18 18:50 ` spop at gcc dot gnu.org
@ 2011-03-25 19:56 ` jakub at gcc dot gnu.org
2011-06-27 15:56 ` jakub at gcc dot gnu.org
` (8 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-25 19:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.0 |4.6.1
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-25 19:52:36 UTC ---
GCC 4.6.0 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (4 preceding siblings ...)
2011-03-25 19:56 ` [Bug middle-end/47653] [4.6/4.7 " jakub at gcc dot gnu.org
@ 2011-06-27 15:56 ` jakub at gcc dot gnu.org
2011-06-29 21:19 ` spop at gcc dot gnu.org
` (7 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-06-27 15:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.1 |4.6.2
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-27 12:32:49 UTC ---
GCC 4.6.1 is being released.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (5 preceding siblings ...)
2011-06-27 15:56 ` jakub at gcc dot gnu.org
@ 2011-06-29 21:19 ` spop at gcc dot gnu.org
2011-07-25 17:46 ` spop at gcc dot gnu.org
` (6 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-06-29 21:19 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
--- Comment #7 from Sebastian Pop <spop at gcc dot gnu.org> 2011-06-29 21:18:09 UTC ---
Patch http://gcc.gnu.org/ml/gcc-patches/2011-06/msg02283.html
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (6 preceding siblings ...)
2011-06-29 21:19 ` spop at gcc dot gnu.org
@ 2011-07-25 17:46 ` spop at gcc dot gnu.org
2011-07-25 17:48 ` spop at gcc dot gnu.org
` (5 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-07-25 17:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
--- Comment #8 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-25 17:46:29 UTC ---
Second attempt to fix this PR:
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg02061.html
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (7 preceding siblings ...)
2011-07-25 17:46 ` spop at gcc dot gnu.org
@ 2011-07-25 17:48 ` spop at gcc dot gnu.org
2011-07-26 18:49 ` spop at gcc dot gnu.org
` (4 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-07-25 17:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |howarth at nitro dot
| |med.uc.edu
--- Comment #9 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-25 17:47:33 UTC ---
*** Bug 47593 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (8 preceding siblings ...)
2011-07-25 17:48 ` spop at gcc dot gnu.org
@ 2011-07-26 18:49 ` spop at gcc dot gnu.org
2011-07-26 18:50 ` spop at gcc dot gnu.org
` (3 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-07-26 18:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
--- Comment #10 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-26 18:48:19 UTC ---
Author: spop
Date: Tue Jul 26 18:48:08 2011
New Revision: 176802
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176802
Log:
Fix PR47653: do not handle loops using wrapping semantics in graphite
2011-07-26 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/47653
* graphite-scop-detection.c (graphite_can_represent_loop): Discard
loops using wrapping semantics.
* gcc.dg/graphite/run-id-pr47653.c: New.
* gcc.dg/graphite/interchange-3.c: Do not use unsigned types for
induction variables.
* gcc.dg/graphite/scop-16.c: Same.
* gcc.dg/graphite/scop-17.c: Same.
* gcc.dg/graphite/scop-21.c: Same.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/run-id-pr47653.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/graphite-scop-detection.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/graphite/interchange-3.c
trunk/gcc/testsuite/gcc.dg/graphite/scop-16.c
trunk/gcc/testsuite/gcc.dg/graphite/scop-17.c
trunk/gcc/testsuite/gcc.dg/graphite/scop-21.c
trunk/libgomp/testsuite/libgomp.graphite/force-parallel-1.c
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (9 preceding siblings ...)
2011-07-26 18:49 ` spop at gcc dot gnu.org
@ 2011-07-26 18:50 ` spop at gcc dot gnu.org
2011-07-26 18:57 ` spop at gcc dot gnu.org
` (2 subsequent siblings)
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-07-26 18:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
--- Comment #11 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-26 18:48:32 UTC ---
Author: spop
Date: Tue Jul 26 18:48:20 2011
New Revision: 176803
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176803
Log:
Add testcase for PR47593
2011-07-26 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/47653
* gcc.dg/graphite/run-id-pr47593.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/run-id-pr47593.c
Modified:
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (10 preceding siblings ...)
2011-07-26 18:50 ` spop at gcc dot gnu.org
@ 2011-07-26 18:57 ` spop at gcc dot gnu.org
2011-08-09 15:52 ` ro at gcc dot gnu.org
2011-08-11 13:45 ` matz at gcc dot gnu.org
13 siblings, 0 replies; 15+ messages in thread
From: spop at gcc dot gnu.org @ 2011-07-26 18:57 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #12 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-26 18:56:23 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (11 preceding siblings ...)
2011-07-26 18:57 ` spop at gcc dot gnu.org
@ 2011-08-09 15:52 ` ro at gcc dot gnu.org
2011-08-11 13:45 ` matz at gcc dot gnu.org
13 siblings, 0 replies; 15+ messages in thread
From: ro at gcc dot gnu.org @ 2011-08-09 15:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
CC| |ro at gcc dot gnu.org
Resolution|FIXED |
--- Comment #13 from Rainer Orth <ro at gcc dot gnu.org> 2011-08-09 15:52:05 UTC ---
Unfortunately, hardcoding -m32 in gcc.dg/graphite/run-id-pr47593.c doesn't work
on several targets (like mips-sgi-irix6.5):
FAIL: gcc.dg/graphite/run-id-pr47593.c (test for excess errors)
Excess errors:
xgcc: error: unrecognized command line option '-m32'
The flag wasn't in the patch submission and I have no idea why it was added.
Do you mean something like target ilp32?
Rainer
^ permalink raw reply [flat|nested] 15+ messages in thread
* [Bug middle-end/47653] [4.6/4.7 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity
2011-02-09 0:43 [Bug middle-end/47653] New: [4.6 Regression] gcc.c-torture/execute/930614-2.c FAILs with -fstack-check=generic -fgraphite-identity zsojka at seznam dot cz
` (12 preceding siblings ...)
2011-08-09 15:52 ` ro at gcc dot gnu.org
@ 2011-08-11 13:45 ` matz at gcc dot gnu.org
13 siblings, 0 replies; 15+ messages in thread
From: matz at gcc dot gnu.org @ 2011-08-11 13:45 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47653
Michael Matz <matz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
CC| |matz at gcc dot gnu.org
Resolution| |FIXED
--- Comment #14 from Michael Matz <matz at gcc dot gnu.org> 2011-08-11 13:44:14 UTC ---
Removed the m32 in r177666.
^ permalink raw reply [flat|nested] 15+ messages in thread
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2011-02-09 4:02 ` [Bug middle-end/47653] " hjl.tools at gmail dot com
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