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* [Bug middle-end/55775] New: [4.8 Regression] ICE when building pari
@ 2012-12-21 15:23 jakub at gcc dot gnu.org
2012-12-21 15:24 ` [Bug middle-end/55775] " jakub at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-12-21 15:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55775
Bug #: 55775
Summary: [4.8 Regression] ICE when building pari
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Keywords: ra
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: jakub@gcc.gnu.org
CC: vmakarov@gcc.gnu.org
int *ptr;
int *fn1 (int *);
int fn2 (int, int);
int fn3 (void);
int fn4 (int);
static int
foo (int x, int y, int z)
{
int b;
asm ("" : "=a" (b), "=&d" (x) : "0" (y), "1" (x), "mr" (z));
return x;
}
static int
bar (int x, int y)
{
int a;
if (!y)
{
for (a = 0; a <= (x >> 1); )
;
a = foo (y, fn2 (2, x), x);
if (x)
a = x;
return a;
}
}
static int
baz (int x, int y)
{
int *a = ptr;
int t, xk1 = fn3 (), xk = x * xk1;
for (t = 0; t < xk; t += xk1)
{
if (fn4 (a[2]))
return -y;
a = fn1 (a);
}
return 0;
}
void
test (int x, long y, int z)
{
int a = fn3 ();
int b;
int c = bar (x, z);
for (b = 0; b <= y; b++)
c = baz (x, c);
fn2 (c, a);
}
ICEs on x86_64-linux with -O1 -w:
lra_ice.i: In function ‘test’:
lra_ice.i:53:1: internal compiler error: Maximum number of LRA constraint
passes is achieved (30)
}
^
0x90089c lra_constraints(bool)
../../gcc/lra-constraints.c:3334
0x8f12e6 lra(_IO_FILE*)
../../gcc/lra.c:2280
0x8a6d43 do_reload
../../gcc/ira.c:4624
0x8a6f51 rest_of_handle_reload
../../gcc/ira.c:4737
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/55775] [4.8 Regression] ICE when building pari
2012-12-21 15:23 [Bug middle-end/55775] New: [4.8 Regression] ICE when building pari jakub at gcc dot gnu.org
@ 2012-12-21 15:24 ` jakub at gcc dot gnu.org
2012-12-21 21:21 ` vmakarov at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-12-21 15:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55775
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.8.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/55775] [4.8 Regression] ICE when building pari
2012-12-21 15:23 [Bug middle-end/55775] New: [4.8 Regression] ICE when building pari jakub at gcc dot gnu.org
2012-12-21 15:24 ` [Bug middle-end/55775] " jakub at gcc dot gnu.org
@ 2012-12-21 21:21 ` vmakarov at gcc dot gnu.org
2012-12-27 8:46 ` [Bug inline-asm/55775] " jakub at gcc dot gnu.org
2013-01-14 19:36 ` steven at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: vmakarov at gcc dot gnu.org @ 2012-12-21 21:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55775
--- Comment #1 from Vladimir Makarov <vmakarov at gcc dot gnu.org> 2012-12-21 21:20:55 UTC ---
Author: vmakarov
Date: Fri Dec 21 21:20:48 2012
New Revision: 194680
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194680
Log:
2012-12-21 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/55775
* lra-assigns.c (improve_inheritance): Do nothing after
LRA_MAX_INHERITANCE_PASSES pass.
* lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Rename to
LRA_MAX_CONSTRAINT_ITERATION_NUMBER. Move to lra-int.h.
(MAX_INHERITANCE_PASSES): Rename to LRA_MAX_INHERITANCE_PASSES.
Move to lra-int.h.
* lra-int.h (LRA_MAX_CONSTRAINT_ITERATION_NUMBER): Move from
lra-constraints.c.
(LRA_MAX_INHERITANCE_PASSES): Ditto.
2012-12-21 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/55775
* gcc.target/i386/pr55775.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr55775.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lra-assigns.c
trunk/gcc/lra-constraints.c
trunk/gcc/lra-int.h
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug inline-asm/55775] [4.8 Regression] ICE when building pari
2012-12-21 15:23 [Bug middle-end/55775] New: [4.8 Regression] ICE when building pari jakub at gcc dot gnu.org
2012-12-21 15:24 ` [Bug middle-end/55775] " jakub at gcc dot gnu.org
2012-12-21 21:21 ` vmakarov at gcc dot gnu.org
@ 2012-12-27 8:46 ` jakub at gcc dot gnu.org
2013-01-14 19:36 ` steven at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-12-27 8:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55775
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |FIXED
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-27 08:45:48 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug inline-asm/55775] [4.8 Regression] ICE when building pari
2012-12-21 15:23 [Bug middle-end/55775] New: [4.8 Regression] ICE when building pari jakub at gcc dot gnu.org
` (2 preceding siblings ...)
2012-12-27 8:46 ` [Bug inline-asm/55775] " jakub at gcc dot gnu.org
@ 2013-01-14 19:36 ` steven at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: steven at gcc dot gnu.org @ 2013-01-14 19:36 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55775
--- Comment #3 from Steven Bosscher <steven at gcc dot gnu.org> 2013-01-14 19:35:10 UTC ---
Author: steven
Date: Mon Jan 14 19:35:03 2013
New Revision: 195173
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195173
Log:
* ira-build.c (ira_flattening): Comment fix.
Port the following LRA changes on trunk back to the LRA branch:
2013-01-10 Vladimir Makarov <vmakarov at redhat dot com>
PR rtl-optimization/pr55672
* lra-eliminations.c (mark_not_elimnable): Permit addition with
const to be elimnable.
2012-12-21 Vladimir Makarov <vmakarov at redhat dot com>
PR middle-end/55775
* lra-assigns.c (improve_inheritance): Do nothing after
LRA_MAX_INHERITANCE_PASSES pass.
* lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Rename to
LRA_MAX_CONSTRAINT_ITERATION_NUMBER. Move to lra-int.h.
(MAX_INHERITANCE_PASSES): Rename to LRA_MAX_INHERITANCE_PASSES.
Move to lra-int.h.
* lra-int.h (LRA_MAX_CONSTRAINT_ITERATION_NUMBER): Move from
lra-constraints.c.
(LRA_MAX_INHERITANCE_PASSES): Ditto.
2012-12-21 Steve Ellcey <sellcey at mips dot com>
PR bootstrap/54128
* ira.c (build_insn_chain): Check only NONDEBUG instructions for
register usage.
2012-12-11 Jakub Jelinek <jakub at redhat dot com>
PR rtl-optimization/55193
* lra-constraints.c (loc_equivalence_callback): New function.
(lra_constraints): Call simplify_replace_fn_rtx instead of
loc_equivalence_change_p on DEBUG_INSNs.
Modified:
branches/lra/gcc/ChangeLog
branches/lra/gcc/ira-build.c
branches/lra/gcc/ira.c
branches/lra/gcc/lra-assigns.c
branches/lra/gcc/lra-constraints.c
branches/lra/gcc/lra-eliminations.c
branches/lra/gcc/lra-int.h
^ permalink raw reply [flat|nested] 5+ messages in thread
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2012-12-21 15:23 [Bug middle-end/55775] New: [4.8 Regression] ICE when building pari jakub at gcc dot gnu.org
2012-12-21 15:24 ` [Bug middle-end/55775] " jakub at gcc dot gnu.org
2012-12-21 21:21 ` vmakarov at gcc dot gnu.org
2012-12-27 8:46 ` [Bug inline-asm/55775] " jakub at gcc dot gnu.org
2013-01-14 19:36 ` steven at gcc dot gnu.org
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