[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-19 Thread rguenth at gcc dot gnu dot org 


--- Comment #4 from rguenth at gcc dot gnu dot org  2010-07-19 09:51 ---
#3  0x0060425e in store_one_arg (arg=0x7fffbc10, 
argblock=0x77ee0540, 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 0x77ff90a8
type record_type 0x75ae02a0 S type_0 BLK
size integer_cst 0x77ed2b18 constant 0
unit size integer_cst 0x77ed2410 constant 0
align 8 symtab 0 alias set -1 canonical type 0x75ae02a0 context
translation_unit_decl 0x77efb958 D.1621
pointer_to_this pointer_type 0x75ae0498 chain type_decl
0x77efb8a0 D.1615

arg 0 addr_expr 0x75b43030
type pointer_type 0x77ef6540 type integer_type 0x77ee7498
int
unsigned DI
size integer_cst 0x77ed27a8 constant 64
unit size integer_cst 0x77ed27d0 constant 8
align 64 symtab 0 alias set -1 canonical type 0x77ef6540

arg 0 parm_decl 0x77edb908 i type integer_type 0x77ee7498
int
used SI file pr44941.c line 5 col 15
size integer_cst 0x77ed26e0 constant 32
unit size integer_cst 0x77ed23e8 constant 4
align 32 context function_decl 0x75afb100 foo
(reg/v:SI 58 [ i ]) arg-type integer_type 0x77ee7498 int
incoming-rtl (reg:SI 5 di [ i ])
pr44941.c:7:21
arg 1 integer_cst 0x75adc668 type pointer_type 0x75ae0498
constant 0
pr44941.c:7:7

I have a patch.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941

[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-19 Thread zsojka at seznam dot cz 


--- 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.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941

[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-19 Thread rguenth at gcc dot gnu dot org 


--- 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=gccview=revrev=162308
Log:
2010-07-19  Richard Guenther  rguent...@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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941

[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-19 Thread rguenth at gcc dot gnu dot org 


--- Comment #7 from rguenth at gcc dot gnu dot org  2010-07-19 15:40 ---
Fixed.


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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

[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-15 Thread rguenth at gcc dot gnu dot org 


-- 

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

[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-15 Thread hjl dot tools at gmail dot com 


--- 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/msg6.html


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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|-00-00 00:00:00 |2010-07-15 14:38:02
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941

[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

2010-07-15 Thread rguenth at gcc dot gnu dot org 


--- Comment #3 from rguenth at gcc dot gnu dot org  2010-07-15 15:47 ---
Mine.


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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

[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 Thread zsojka at seznam dot cz 


--- 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=21204action=view)
reduced testcase (from iptraf sources)

Command line:
$ gcc -O pr44941.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941