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* [Bug tree-optimization/68140] New: ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1413
@ 2015-10-29 0:06 anton at samba dot org
2015-10-29 7:36 ` [Bug tree-optimization/68140] " trippels at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: anton at samba dot org @ 2015-10-29 0:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68140
Bug ID: 68140
Summary: ICE in vect_get_vec_def_for_operand, at
tree-vect-stmts.c:1413
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: anton at samba dot org
Target Milestone: ---
I'm seeing an ICE on powerpc64le with a checkout from last night:
# cat testcase.c
int a, b, d, e, f;
static int c;
static void fn1(void)
{
int b = 3;
for (; b >= 0; b--) {
e ^= f;
d = 0;
for (; d <= 3; d++) {
e |= f;
for (; c;)
for (;;) ;
}
}
}
int main(void)
{
if (a)
fn1();
return 0;
}
# gcc -O3 testcase.c -Wall
testcase.c: In function ‘main’:
testcase.c:18:5: internal compiler error: in vect_get_vec_def_for_operand, at
tree-vect-stmts.c:1413
int main(void)
^
0x10aed307 vect_get_vec_def_for_operand(tree_node*, gimple*)
../../gcc/gcc/tree-vect-stmts.c:1413
0x10aedab7 vect_get_vec_defs(tree_node*, tree_node*, gimple*, vec<tree_node*,
va_heap, vl_ptr>*, vec<tree_node*, va_heap, vl_ptr>*, _slp_tree*, int)
../../gcc/gcc/tree-vect-stmts.c:1574
0x10af441b vectorizable_operation
../../gcc/gcc/tree-vect-stmts.c:4894
0x10b0420f vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*,
_slp_tree*, _slp_instance*)
../../gcc/gcc/tree-vect-stmts.c:7693
0x10b0bedf vect_transform_loop(_loop_vec_info*)
../../gcc/gcc/tree-vect-loop.c:6452
0x10b2c70b vectorize_loops()
../../gcc/gcc/tree-vectorizer.c:512
0x10a0c6fb execute
../../gcc/gcc/tree-ssa-loop.c:278
>From gcc-bugs-return-500861-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 00:28:28 2015
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From: "manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/68040] [5/6 Regression] Internal compiler error: Error reporting routines re-entered.
Date: Thu, 29 Oct 2015 00:28:00 -0000
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |manu at gcc dot gnu.org
--- Comment #1 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
Is this configured with --enable-checking=release ? This is probably an ICE
that occurs earlier than reported with --enabled-checking=release. Configure
with --enable-checking=yes.
It should be possible to get a more precise revision. Those two do not look
like the cause of the problem.
My guess is that Fortran is calling into the middle-end without calling
gfc_diagnostics_finish(). The format decoder gfc_format_decoder does not
support %E, thus either Fortran adds support for %E or it calls
gfc_diagnostic_finish before reaching this point.
However, I would argue that this precise warning does not need to use %E and it
could simply use %s, which will make it less dependent on trees and fix this
bug without further changes in Fortran.
>From gcc-bugs-return-500863-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 00:45:43 2015
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Subject: [Bug c/68119] GCC diagnostic push/pop interfere with control flow statements
Date: Thu, 29 Oct 2015 00:45:00 -0000
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |manu at gcc dot gnu.org
Resolution|INVALID |DUPLICATE
--- Comment #5 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
I really don't think this should be invalid. What is the benefit of treating
pragmas as statements?
Moreover, I would argue that the diagnostic pragmas in particular should be
handled by the preprocessor and behave like any other preprocessor directive.
Otherwise, they are not effective for controlling diagnostics that come from
the preprocessor.
At the very least, this is a documentation bug.
*** This bug has been marked as a duplicate of bug 41517 ***
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Subject: [Bug c/41517] Unexpected behaviour of #pragma in statement context
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jbrandmeyer at google dot com
--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
*** Bug 68119 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-500865-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 00:49:25 2015
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Subject: [Bug c/63326] whether a #pragma is a statement depends on the type of pragma
Date: Thu, 29 Oct 2015 00:49:00 -0000
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--- Comment #13 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
Related bug: PR42979
>From gcc-bugs-return-500864-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 00:49:03 2015
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Subject: [Bug c/41517] Unexpected behaviour of #pragma in statement context
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|i686-pc-linux-gnu |
CC| |manu at gcc dot gnu.org
Host|i686-pc-linux-gnu |
Build|i686-pc-linux-gnu |
--- Comment #3 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
Related bug: PR63326
>From gcc-bugs-return-500867-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 00:50:48 2015
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Subject: [Bug c/42979] OpenMP #pragma omp taskwait after a label is not permitted - should fail at compile time
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |felix.abecassis at gmail dot com
--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
*** Bug 59367 has been marked as a duplicate of this bug. ***
>From gcc-bugs-return-500866-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 00:50:47 2015
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Subject: [Bug c/59367] Syntax error with #pragma message before "else"
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Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |manu at gcc dot gnu.org
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--- Comment #6 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
Dup of PR42979 or PR63326
*** This bug has been marked as a duplicate of bug 42979 ***
>From gcc-bugs-return-500868-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 29 02:03:53 2015
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Subject: [Bug fortran/51993] Erroneous type component initialization leads to internal compiler error
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kargl at gcc dot gnu.org changed:
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----------------------------------------------------------------------------
CC| |kargl at gcc dot gnu.org
--- Comment #3 from kargl at gcc dot gnu.org ---
Changing the gcc_assert to an early return gives
% gfc6 -c h6.f90
h6.f90:3:27:
character(len=3) :: a = .true.
1
Error: Can't convert LOGICAL(4) to CHARACTER(1) at (1)
troutmask:sgk[219]
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug tree-optimization/68140] ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1413
2015-10-29 0:06 [Bug tree-optimization/68140] New: ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1413 anton at samba dot org
@ 2015-10-29 7:36 ` trippels at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: trippels at gcc dot gnu.org @ 2015-10-29 7:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68140
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |trippels at gcc dot gnu.org
Resolution|--- |DUPLICATE
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Looks like a dup
*** This bug has been marked as a duplicate of bug 68060 ***
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2015-10-29 0:06 [Bug tree-optimization/68140] New: ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1413 anton at samba dot org
2015-10-29 7:36 ` [Bug tree-optimization/68140] " trippels at gcc dot gnu.org
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