--- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-01-09
08:22 ---
Subject: Bug 19224
CVSROOT:/cvs/gcc
Module name:gcc
Changes by: [EMAIL PROTECTED] 2005-01-09 08:22:15
Modified files:
gcc: ChangeLog tree-scalar-evolution.c
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-09
15:56 ---
Fixed.
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What|Removed |Added
Status|ASSIGNED|RESOLVED
--- Additional Comments From steven at gcc dot gnu dot org 2005-01-02
11:53 ---
Pop probably wants to know about this too. Obviously a regression because
pre-4.0 there was no scev, and so no infinite loop either.
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What|Removed |Added
--- Additional Comments From aj at gcc dot gnu dot org 2005-01-02 12:05
---
I've reduced the testcase to the following loop:
int
add_long(long tl1, long tl2, long tloop_cnt, long *res)
{
int n;
long l1, l2, l;
l1 = tl1;
l2 = tl2;
l = 0;
for (n = tloop_cnt; n
--
What|Removed |Added
AssignedTo|unassigned at gcc dot gnu |rakdver at gcc dot gnu dot
|dot org |org
Status|NEW
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What|Removed |Added
Keywords||ice-on-valid-code, memory-
||hog
Target Milestone|---
--- Additional Comments From rakdver at gcc dot gnu dot org 2005-01-02
18:48 ---
The loop probably is not infinite (after removing a few commands from the loop,
compilation finishes after a long time). Investigating further.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19224
--- Additional Comments From rakdver at gcc dot gnu dot org 2005-01-02
18:55 ---
Caused by an exponential time complexity of instantiate_parameters.
I am working on a patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19224
--- Additional Comments From sebastian dot pop at cri dot ensmp dot fr
2005-01-02 20:37 ---
(In reply to comment #5)
Caused by an exponential time complexity of instantiate_parameters.
I am working on a patch.
The following patch solves the exponential time complexity.
Sorry for the
--- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni
dot cz 2005-01-02 20:56 ---
Subject: Re: [4.0 regression] Endless loop compiling simple file: Bug in
tree-scalar-evolution.c (instantiate_parameters_1)?
(In reply to comment #5)
Caused by an exponential time
--- Additional Comments From sebastian dot pop at cri dot ensmp dot fr
2005-01-02 21:46 ---
(In reply to comment #7)
Subject: Re: [4.0 regression] Endless loop compiling simple file: Bug in
tree-scalar-evolution.c (instantiate_parameters_1)?
not really (well, maybe in this
--- Additional Comments From sebastian dot pop at cri dot ensmp dot fr
2005-01-02 23:15 ---
Subject: Re: [4.0 regression] Endless loop compiling simple file: Bug in
tree-scalar-evolution.c (instantiate_parameters_1)?
rakdver at gcc dot gnu dot org wrote:
--- Additional
--- Additional Comments From rakdver at gcc dot gnu dot org 2005-01-02
23:19 ---
http://gcc.gnu.org/ml/gcc-patches/2005-01/msg00052.html
--
What|Removed |Added
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