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* [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
@ 2011-10-17 7:00 Joost.VandeVondele at pci dot uzh.ch
2011-10-17 9:38 ` [Bug middle-end/50754] " dominiq at lps dot ens.fr
` (8 more replies)
0 siblings, 9 replies; 10+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-10-17 7:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Bug #: 50754
Summary: [4.7 Regression] ICE in expand_debug_expr, at
cfgexpand.c:3341
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: Joost.VandeVondele@pci.uzh.ch
somewhere in the last 3 days the following regression appeared in trunk:
gfortran -march=core2 -mcx16 -msahf -mno-movbe -mno-aes -mno-pclmul -mno-popcnt
-mno-abm -mno-lwp -mno-fma -mno-fma4 -mno-xop -mno-bmi -mno-bmi2 -mno-tbm
-mno-avx -mno-avx2 -mno-sse4.2 -mno-sse4.1 -mno-lzcnt --param l1-cache-size=32
--param l1-cache-line-size=64 --param l2-cache-size=4096 -mtune=core2 -g -O3
-ffast-math -funroll-loops -ftree-vectorize -ffree-form bug.f90
<vec_perm_expr 0x7fcf671e41f8
type <vector_type 0x7fcf67110540
type <real_type 0x7fcf670aef18 real(kind=8) DF
size <integer_cst 0x7fcf6709eec0 constant 64>
unit size <integer_cst 0x7fcf6709eee0 constant 8>
align 64 symtab 0 alias set 2 canonical type 0x7fcf670aef18
precision 64
pointer_to_this <pointer_type 0x7fcf670bc150>>
V2DF
size <integer_cst 0x7fcf670b1400 constant 128>
unit size <integer_cst 0x7fcf670b1420 constant 16>
align 128 symtab 0 alias set 2 canonical type 0x7fcf67110540 nunits 2
pointer_to_this <pointer_type 0x7fcf67117c78>>
arg 0 <ssa_name 0x7fcf671d8cd0 type <vector_type 0x7fcf67110540>
visited var <var_decl 0x7fcf671df1e0 vect_var_.27>def_stmt
vect_var_.27_126 = MEM[(real(kind=8)[3] *)&respos + 8B];
version 126> arg 1 <ssa_name 0x7fcf671d8cd0>
arg 2 <vector_cst 0x7fcf671cc5a0
type <vector_type 0x7fcf671c1c78 type <integer_type 0x7fcf670ae7e0>
unsigned V2DI size <integer_cst 0x7fcf670b1400 128> unit size
<integer_cst 0x7fcf670b1420 16>
align 128 symtab 0 alias set -1 canonical type 0x7fcf671c1c78
nunits 2>
constant
elt0: <integer_cst 0x7fcf671c6400 constant 1>
elt1: <integer_cst 0x7fcf670b1300 constant 0>>
bug.f90:9:0>
bug.f90: In function ‘calcbox’:
bug.f90:4:0: internal compiler error: in expand_debug_expr, at cfgexpand.c:3341
> cat bug.f90
MODULE gauss_colloc
INTEGER, PARAMETER :: dp=8
CONTAINS
FUNCTION calcBox() RESULT(res)
REAL(dp) :: cci0, cci1, cci2, delta_i, m(0:2,0:2), maxr2, r_0, sqDi
REAL(dp), DIMENSION(0:2) :: l, resPos
r_0=0.0_dp
DO i=0,2
r_0=r_0-0.5*resPos(2-i)*l(i)
END DO
cci0 = -((-4.0_dp * m(2,2) * r_0 * m(1,1) + &
m(2,2) * l(1) ** 2 + l(2) ** 2 * m(1,1) &
- 2.0_dp * l(1) * m(1,2) * l(2) + 4.0_dp * r_0 * m(1,2) ** 2) &
/ (m(2,2) * m(1,1) - m(1,2) ** 2)) / 4.0_dp-maxr2
delta_i=cci1*cci1-4.0_dp*cci2*cci0
IF (delta_i<0.0_dp) THEN
imin=fullShift(2)+CEILING((-cci1-sqDi)/(2.0_dp*cci2))
END IF
END FUNCTION
END MODULE
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
@ 2011-10-17 9:38 ` dominiq at lps dot ens.fr
2011-10-17 15:46 ` dominiq at lps dot ens.fr
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: dominiq at lps dot ens.fr @ 2011-10-17 9:38 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011-10-17
Ever Confirmed|0 |1
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-10-17 09:38:03 UTC ---
Confirmed on x86_64-apple-darwin10 revision 180062 with '-O2 -ftree-vectorize
-ffast-math -g', slightly reduced (valid?) test
MODULE gauss_colloc
INTEGER, PARAMETER :: dp=8
CONTAINS
FUNCTION calcBox() RESULT(res)
implicit none
integer :: i, imin
REAL(dp) :: r_0, res
REAL(dp), DIMENSION(0:2) :: l, resPos
l = 1.0
resPos = [1.0,2.0,3.0]
r_0=0.0_dp
DO i=0,2
r_0=r_0-0.5*resPos(2-i)*l(i)
END DO
imin =0
IF (r_0<0.0_dp) THEN
imin=1
END IF
res=imin
END FUNCTION
END MODULE
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
2011-10-17 9:38 ` [Bug middle-end/50754] " dominiq at lps dot ens.fr
@ 2011-10-17 15:46 ` dominiq at lps dot ens.fr
2011-10-18 13:29 ` dominiq at lps dot ens.fr
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: dominiq at lps dot ens.fr @ 2011-10-17 15:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at redhat dot com
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-10-17 15:45:12 UTC ---
Revision 179960 is OK and the ICE does not show for compilers configured with
--enable-checking=release.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
2011-10-17 9:38 ` [Bug middle-end/50754] " dominiq at lps dot ens.fr
2011-10-17 15:46 ` dominiq at lps dot ens.fr
@ 2011-10-18 13:29 ` dominiq at lps dot ens.fr
2011-10-18 19:19 ` Joost.VandeVondele at pci dot uzh.ch
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: dominiq at lps dot ens.fr @ 2011-10-18 13:29 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rth at gcc dot gnu.org
--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-10-18 13:28:48 UTC ---
This is due to revision 180047
Author: rth
Date: Sat Oct 15 19:36:50 2011 UTC (2 days, 17 hours ago)
Changed paths: 5
Log Message:
Use VEC_PERM_EXPR in the vectorizer.
* tree-vect-slp.c: Include langhooks.h.
(vect_create_mask_and_perm): Emit VEC_PERM_EXPR, not a builtin.
(vect_transform_slp_perm_load): Use can_vec_perm_expr_p. Simplify
mask creation for VEC_PERM_EXPR.
* tree-vect-stmts.c (perm_mask_for_reverse): Return the mask,
not the builtin.
(reverse_vec_elements): Emit VEC_PERM_EXPR not a builtin.
* Makefile.in (tree-vect-slp.o): Update dependency.
* optabs.c (can_vec_perm_expr_p): Allow NULL as unknown constant.
Note that the fix in revision 80100
Author: rth
Date: Mon Oct 17 17:02:05 2011 UTC (20 hours, 24 minutes ago)
Changed paths: 2
Log Message:
PR 50746
* optabs.c (expand_vec_perm_expr): Fix indexing error.
does solve the problem.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
` (2 preceding siblings ...)
2011-10-18 13:29 ` dominiq at lps dot ens.fr
@ 2011-10-18 19:19 ` Joost.VandeVondele at pci dot uzh.ch
2011-10-18 19:22 ` Joost.VandeVondele at pci dot uzh.ch
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-10-18 19:19 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #4 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-10-18 19:19:09 UTC ---
OK.. the latest version passes here as well. Let's close as fixed
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
` (3 preceding siblings ...)
2011-10-18 19:19 ` Joost.VandeVondele at pci dot uzh.ch
@ 2011-10-18 19:22 ` Joost.VandeVondele at pci dot uzh.ch
2011-10-18 19:43 ` dominiq at lps dot ens.fr
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-10-18 19:22 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
--- Comment #5 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-10-18 19:22:04 UTC ---
No, not quite. With the original commandline I still see a failure here for
gcc version 4.7.0 20111018 (experimental) [trunk revision 180161] (GCC)
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
` (4 preceding siblings ...)
2011-10-18 19:22 ` Joost.VandeVondele at pci dot uzh.ch
@ 2011-10-18 19:43 ` dominiq at lps dot ens.fr
2011-10-18 22:04 ` jakub at gcc dot gnu.org
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: dominiq at lps dot ens.fr @ 2011-10-18 19:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-10-18 19:43:39 UTC ---
> does solve the problem.
Oops!-( I ment "does not solve the problem": when the fingers don't follow the
brain;-).
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
` (5 preceding siblings ...)
2011-10-18 19:43 ` dominiq at lps dot ens.fr
@ 2011-10-18 22:04 ` jakub at gcc dot gnu.org
2011-10-19 19:32 ` jakub at gcc dot gnu.org
2011-10-21 5:44 ` Joost.VandeVondele at pci dot uzh.ch
8 siblings, 0 replies; 10+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-10-18 22:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |ASSIGNED
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-10-18 22:03:28 UTC ---
Created attachment 25550
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25550
gcc47-pr50754.patch
Untested fix.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
` (6 preceding siblings ...)
2011-10-18 22:04 ` jakub at gcc dot gnu.org
@ 2011-10-19 19:32 ` jakub at gcc dot gnu.org
2011-10-21 5:44 ` Joost.VandeVondele at pci dot uzh.ch
8 siblings, 0 replies; 10+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-10-19 19:32 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-10-19 19:31:25 UTC ---
Author: jakub
Date: Wed Oct 19 19:31:14 2011
New Revision: 180201
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180201
Log:
PR middle-end/50754
* cfgexpand.c (expand_debug_expr): Handle WIDEN_LSHIFT_EXPR, ignore
VEC_PERM_EXPR.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgexpand.c
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/50754] [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341
2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
` (7 preceding siblings ...)
2011-10-19 19:32 ` jakub at gcc dot gnu.org
@ 2011-10-21 5:44 ` Joost.VandeVondele at pci dot uzh.ch
8 siblings, 0 replies; 10+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-10-21 5:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50754
Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #9 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-10-21 05:43:11 UTC ---
this is fixed now in trunk, I assume this can be closed.
^ permalink raw reply [flat|nested] 10+ messages in thread
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2011-10-17 7:00 [Bug middle-end/50754] New: [4.7 Regression] ICE in expand_debug_expr, at cfgexpand.c:3341 Joost.VandeVondele at pci dot uzh.ch
2011-10-17 9:38 ` [Bug middle-end/50754] " dominiq at lps dot ens.fr
2011-10-17 15:46 ` dominiq at lps dot ens.fr
2011-10-18 13:29 ` dominiq at lps dot ens.fr
2011-10-18 19:19 ` Joost.VandeVondele at pci dot uzh.ch
2011-10-18 19:22 ` Joost.VandeVondele at pci dot uzh.ch
2011-10-18 19:43 ` dominiq at lps dot ens.fr
2011-10-18 22:04 ` jakub at gcc dot gnu.org
2011-10-19 19:32 ` jakub at gcc dot gnu.org
2011-10-21 5:44 ` Joost.VandeVondele at pci dot uzh.ch
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