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* [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
@ 2010-07-14 23:24 zsojka at seznam dot cz
2010-07-14 23:25 ` [Bug rtl-optimization/44941] " zsojka at seznam dot cz
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: zsojka at seznam dot cz @ 2010-07-14 23:24 UTC (permalink / raw)
To: gcc-bugs
Command line:
$ gcc -O[123s] testcase.c
Compiler output:
$ gcc -O testcase.c
testcase.c: In function 'foo':
testcase.c:7:7: internal compiler error: RTL check: expected code 'mem', have
'reg' in emit_block_move_hints, at expr.c:1189
Unreduced testcase crashes with:
$ gcc -O rarpd.i
rarpd.c: In function 'load_if':
rarpd.c:203:41: internal compiler error: in make_decl_rtl, at varasm.c:1346
Reduced testcase without rtl checking crashes with:
$ gcc -O testcase.c
testcase.c: In function 'foo':
testcase.c:7:7: internal compiler error: Segmentation fault
Tested revisions:
r162193 - crash
r162056 - crash
r161659 - crash
r161170 - OK
--
Summary: [4.6 Regression] ICE: RTL check: expected code 'mem',
have 'reg' in emit_block_move_hints, at expr.c:1189
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
@ 2010-07-14 23:25 ` zsojka at seznam dot cz
2010-07-15 8:08 ` rguenth at gcc dot gnu dot org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: zsojka at seznam dot cz @ 2010-07-14 23:25 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from zsojka at seznam dot cz 2010-07-14 23:25 -------
Created an attachment (id=21204)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21204&action=view)
reduced testcase (from iptraf sources)
Command line:
$ gcc -O pr44941.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
2010-07-14 23:25 ` [Bug rtl-optimization/44941] " zsojka at seznam dot cz
@ 2010-07-15 8:08 ` rguenth at gcc dot gnu dot org
2010-07-15 14:38 ` hjl dot tools at gmail dot com
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-15 8:08 UTC (permalink / raw)
To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
2010-07-14 23:25 ` [Bug rtl-optimization/44941] " zsojka at seznam dot cz
2010-07-15 8:08 ` rguenth at gcc dot gnu dot org
@ 2010-07-15 14:38 ` hjl dot tools at gmail dot com
2010-07-15 15:47 ` rguenth at gcc dot gnu dot org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: hjl dot tools at gmail dot com @ 2010-07-15 14:38 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from hjl dot tools at gmail dot com 2010-07-15 14:38 -------
It is caused by revision 161655:
http://gcc.gnu.org/ml/gcc-cvs/2010-07/msg00006.html
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-07-15 14:38:02
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
` (2 preceding siblings ...)
2010-07-15 14:38 ` hjl dot tools at gmail dot com
@ 2010-07-15 15:47 ` rguenth at gcc dot gnu dot org
2010-07-19 9:51 ` rguenth at gcc dot gnu dot org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-15 15:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from rguenth at gcc dot gnu dot org 2010-07-15 15:47 -------
Mine.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
Last reconfirmed|2010-07-15 14:38:02 |2010-07-15 15:47:16
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
` (3 preceding siblings ...)
2010-07-15 15:47 ` rguenth at gcc dot gnu dot org
@ 2010-07-19 9:51 ` rguenth at gcc dot gnu dot org
2010-07-19 13:36 ` zsojka at seznam dot cz
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-19 9:51 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from rguenth at gcc dot gnu dot org 2010-07-19 09:51 -------
#3 0x000000000060425e in store_one_arg (arg=0x7fffffffbc10,
argblock=0x7ffff7ee0540, flags=0, variable_size=0, reg_parm_stack_space=0)
at /space/rguenther/src/svn/trunk/gcc/calls.c:4309
4309 emit_push_insn (arg->value, arg->mode, TREE_TYPE (pval),
size_rtx,
(gdb) call debug_rtx (arg->value)
(reg:SI 61)
(gdb) p arg->mode
$2 = BLKmode
(gdb) call debug_rtx (size_rtx)
(const_int 0 [0])
(gdb) call debug_tree (arg->tree_value)
<mem_ref 0x7ffff7ff90a8
type <record_type 0x7ffff5ae02a0 S type_0 BLK
size <integer_cst 0x7ffff7ed2b18 constant 0>
unit size <integer_cst 0x7ffff7ed2410 constant 0>
align 8 symtab 0 alias set -1 canonical type 0x7ffff5ae02a0 context
<translation_unit_decl 0x7ffff7efb958 D.1621>
pointer_to_this <pointer_type 0x7ffff5ae0498> chain <type_decl
0x7ffff7efb8a0 D.1615>>
arg 0 <addr_expr 0x7ffff5b43030
type <pointer_type 0x7ffff7ef6540 type <integer_type 0x7ffff7ee7498
int>
unsigned DI
size <integer_cst 0x7ffff7ed27a8 constant 64>
unit size <integer_cst 0x7ffff7ed27d0 constant 8>
align 64 symtab 0 alias set -1 canonical type 0x7ffff7ef6540>
arg 0 <parm_decl 0x7ffff7edb908 i type <integer_type 0x7ffff7ee7498
int>
used SI file pr44941.c line 5 col 15
size <integer_cst 0x7ffff7ed26e0 constant 32>
unit size <integer_cst 0x7ffff7ed23e8 constant 4>
align 32 context <function_decl 0x7ffff5afb100 foo>
(reg/v:SI 58 [ i ]) arg-type <integer_type 0x7ffff7ee7498 int>
incoming-rtl (reg:SI 5 di [ i ])>
pr44941.c:7:21>
arg 1 <integer_cst 0x7ffff5adc668 type <pointer_type 0x7ffff5ae0498>
constant 0>
pr44941.c:7:7>
I have a patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
` (4 preceding siblings ...)
2010-07-19 9:51 ` rguenth at gcc dot gnu dot org
@ 2010-07-19 13:36 ` zsojka at seznam dot cz
2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
7 siblings, 0 replies; 9+ messages in thread
From: zsojka at seznam dot cz @ 2010-07-19 13:36 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from zsojka at seznam dot cz 2010-07-19 13:35 -------
Thank you for fixing this.
It seems the original ICE (in make_decl_rtl, at varasm.c:1346) is different, so
I opened it as PR44988.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
` (5 preceding siblings ...)
2010-07-19 13:36 ` zsojka at seznam dot cz
@ 2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-19 15:40 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from rguenth at gcc dot gnu dot org 2010-07-19 15:40 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189
2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
` (6 preceding siblings ...)
2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
@ 2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-19 15:40 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from rguenth at gcc dot gnu dot org 2010-07-19 15:40 -------
Subject: Bug 44941
Author: rguenth
Date: Mon Jul 19 15:39:51 2010
New Revision: 162308
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162308
Log:
2010-07-19 Richard Guenther <rguenther@suse.de>
PR middle-end/44941
* expr.c (emit_block_move_hints): Move zero size check first.
Move asserts to more useful places.
* calls.c (load_register_parameters): Check for zero size.
* gcc.c-torture/compile/pr44941.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr44941.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/calls.c
trunk/gcc/expr.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941
^ permalink raw reply [flat|nested] 9+ messages in thread
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2010-07-14 23:24 [Bug rtl-optimization/44941] New: [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189 zsojka at seznam dot cz
2010-07-14 23:25 ` [Bug rtl-optimization/44941] " zsojka at seznam dot cz
2010-07-15 8:08 ` rguenth at gcc dot gnu dot org
2010-07-15 14:38 ` hjl dot tools at gmail dot com
2010-07-15 15:47 ` rguenth at gcc dot gnu dot org
2010-07-19 9:51 ` rguenth at gcc dot gnu dot org
2010-07-19 13:36 ` zsojka at seznam dot cz
2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
2010-07-19 15:40 ` rguenth at gcc dot gnu dot org
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