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* [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
@ 2004-09-22 11:10 micis at gmx dot de
2004-09-22 11:11 ` [Bug tree-optimization/17606] " micis at gmx dot de
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: micis at gmx dot de @ 2004-09-22 11:10 UTC (permalink / raw)
To: gcc-bugs
I compiled snapshot gcc-4.0-20040919.tar.bz2 and tried that compiler at our
application. I get an ICE which occurs only at -O1 and above, not at -O0.
There are similar reports in bugzilla:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13186 is marked resolved/fixed
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13674 is marked new with a comment
from Andrew Pinski 2004-06-11: Hmm, I can no longer reproduce it with the
testcases provided but I know that this is still a bug.
I can't judge whether this bug is a duplicate of 13674 or not, therefore I
enter it as a new bug report.
Michael Cieslinski
/usr/local/gcc40/bin/g++40 -c -g -O2 -mcpu=G5 -maltivec -mabi=altivec -o
gccbug.o gccbug.ii -v
Reading specs from /usr/local/gcc40/lib/gcc/powerpc-unknown-linux-
gnu/4.0.0/specs
Configured with: ../gcc40/configure --prefix=/usr/local/gcc40 --program-
suffix=40 --with-cpu=G5 --enable-altivec --enable-languages=c,c++ --enable-
checking
Thread model: posix
gcc version 4.0.0 20040919 (experimental)
/usr/local/gcc40/libexec/gcc/powerpc-unknown-linux-gnu/4.0.0/cc1plus -
fpreprocessed gccbug.ii -quiet -dumpbase gccbug.ii -mcpu=G5 -maltivec -
mabi=altivec -auxbase-strip gccbug.o -g -O2 -version -o /tmp/ccCc3LJn.s
GNU C++ version 4.0.0 20040919 (experimental) (powerpc-unknown-linux-gnu)
compiled by GNU C version 4.0.0 20040919 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
gccbug.cpp: In function `int WrkDP(short unsigned int (*)[123], short unsigned
int (*)[123], short unsigned int (*)[123], unsigned char (*)[123], IntPair,
AParT, int)':
gccbug.cpp:162: error: insn does not satisfy its constraints:
(insn 1136 1090 1135 0 (set (reg:DI 32 0)
(const_int 0 [0x0])) 276 {*movdi_internal32} (nil)
(nil))
gccbug.cpp:162: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:391
--
Summary: [4.0 Regression] ICE in reload_cse_simplify_operands, at
postreload.c:391
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: micis at gmx dot de
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: powerpc-linux-gnu
GCC host triplet: powerpc-linux-gnu
GCC target triplet: powerpc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/17606] [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
@ 2004-09-22 11:11 ` micis at gmx dot de
2004-09-22 12:01 ` [Bug rtl-optimization/17606] " pinskia at gcc dot gnu dot org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: micis at gmx dot de @ 2004-09-22 11:11 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From micis at gmx dot de 2004-09-22 11:11 -------
Created an attachment (id=7195)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7195&action=view)
mostly reduced preprocessed source
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug rtl-optimization/17606] [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
2004-09-22 11:11 ` [Bug tree-optimization/17606] " micis at gmx dot de
@ 2004-09-22 12:01 ` pinskia at gcc dot gnu dot org
2004-09-22 17:13 ` [Bug target/17606] " pinskia at gcc dot gnu dot org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 12:01 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Component|tree-optimization |rtl-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/17606] [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
2004-09-22 11:11 ` [Bug tree-optimization/17606] " micis at gmx dot de
2004-09-22 12:01 ` [Bug rtl-optimization/17606] " pinskia at gcc dot gnu dot org
@ 2004-09-22 17:13 ` pinskia at gcc dot gnu dot org
2004-09-22 17:47 ` pinskia at gcc dot gnu dot org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 17:13 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-09-22 17:13 -------
Confirmed, here is the reduced testcase, any further the ICE goes away:
struct IntPair { int Y, X; };
struct FATyp {
float *pic; int dx, dy, pitch;
FATyp (float *Pic, int DY, int DX, int Pitch);
};
int Func1 (FATyp& Weight, double Scale);
int Func2 (FATyp& Weight, unsigned char Arr04, IntPair Mid);
int Func3 (FATyp& Data, unsigned short Pic, IntPair Mid);
int WrkDP (IntPair Pos, float ParA2, int DbgLvl)
{
float Dat01a [31 * 32]; FATyp TplR (Dat01a, 0, 0, 32);
float Dat01b [31 * 32]; FATyp TplG (Dat01b, 0, 0, 32);
float Dat01c [31 * 32]; FATyp TplB (Dat01c, 0, 0, 32);
float Dat01d [31 * 32]; FATyp TplW (Dat01d, 0, 0, 32);
float Dat02a [47 * 48]; FATyp SrchR (Dat02a, 0, 0, 48);
float Dat02b [47 * 48]; FATyp SrchG (Dat02b, 0, 0, 48);
Func3 (TplR, 1, Pos);
Func3 (TplG, 1, Pos);
Func3 (TplB, 1, Pos);
Func1 (TplW, 1.0);
Func2 (TplW, 1, Pos);
Func3 (SrchR, 1, Pos);
Func3 (SrchG, 1, Pos);
return 0;
}
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|rtl-optimization |target
Ever Confirmed| |1
Keywords| |ice-on-valid-code
Last reconfirmed|0000-00-00 00:00:00 |2004-09-22 17:13:22
date| |
Target Milestone|--- |4.0.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/17606] [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
` (2 preceding siblings ...)
2004-09-22 17:13 ` [Bug target/17606] " pinskia at gcc dot gnu dot org
@ 2004-09-22 17:47 ` pinskia at gcc dot gnu dot org
2004-11-09 5:57 ` pinskia at gcc dot gnu dot org
2004-11-24 6:05 ` pinskia at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-09-22 17:47 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-09-22 17:47 -------
This is a case where movdi_internal32 is lying to reload.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/17606] [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
` (3 preceding siblings ...)
2004-09-22 17:47 ` pinskia at gcc dot gnu dot org
@ 2004-11-09 5:57 ` pinskia at gcc dot gnu dot org
2004-11-24 6:05 ` pinskia at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-11-09 5:57 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-09 05:57 -------
Note my reduced testcase no longer fails but the orginal testcase still does.
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug target/17606] [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391
2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
` (4 preceding siblings ...)
2004-11-09 5:57 ` pinskia at gcc dot gnu dot org
@ 2004-11-24 6:05 ` pinskia at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-11-24 6:05 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-24 06:05 -------
This is a dup of bug 18641, aka the patch which I mentioned I reverted fixes the problem also.
*** This bug has been marked as a duplicate of 18641 ***
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |DUPLICATE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17606
^ permalink raw reply [flat|nested] 7+ messages in thread
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2004-09-22 11:10 [Bug tree-optimization/17606] New: [4.0 Regression] ICE in reload_cse_simplify_operands, at postreload.c:391 micis at gmx dot de
2004-09-22 11:11 ` [Bug tree-optimization/17606] " micis at gmx dot de
2004-09-22 12:01 ` [Bug rtl-optimization/17606] " pinskia at gcc dot gnu dot org
2004-09-22 17:13 ` [Bug target/17606] " pinskia at gcc dot gnu dot org
2004-09-22 17:47 ` pinskia at gcc dot gnu dot org
2004-11-09 5:57 ` pinskia at gcc dot gnu dot org
2004-11-24 6:05 ` pinskia at gcc dot gnu dot org
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