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* Re: c++/7086: [3.3/3.4 regression] compile time regression
@ 2003-03-24 8:32 mmitchel
0 siblings, 0 replies; 3+ messages in thread
From: mmitchel @ 2003-03-24 8:32 UTC (permalink / raw)
To: brd, gcc-bugs, gcc-prs, nobody
Synopsis: [3.3/3.4 regression] compile time regression
State-Changed-From-To: analyzed->closed
State-Changed-By: mmitchel
State-Changed-When: Mon Mar 24 08:31:37 2003
State-Changed-Why:
Fixed in GCC 3.3, GCC 3.4.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7086
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: c++/7086: [3.3/3.4 regression] compile time regression
@ 2003-03-12 10:56 Steven Bosscher
0 siblings, 0 replies; 3+ messages in thread
From: Steven Bosscher @ 2003-03-12 10:56 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c++/7086; it has been noted by GNATS.
From: Steven Bosscher <s.bosscher@student.tudelft.nl>
To: gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org,
brd@paradise.net.nz
Cc:
Subject: Re: c++/7086: [3.3/3.4 regression] compile time regression
Date: Wed, 12 Mar 2003 11:52:07 +0100
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7086
You don't need -O2 to get this, just -O is enough.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: c++/7086: [3.3/3.4 regression] compile time regression
@ 2003-03-11 2:36 Daniel Jacobowitz
0 siblings, 0 replies; 3+ messages in thread
From: Daniel Jacobowitz @ 2003-03-11 2:36 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c++/7086; it has been noted by GNATS.
From: Daniel Jacobowitz <drow@mvista.com>
To: gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org, brd@paradise.net.nz
Cc:
Subject: Re: c++/7086: [3.3/3.4 regression] compile time regression
Date: Mon, 10 Mar 2003 21:32:25 -0500
Just FYI, I tried this with -O2 on:
g++ (GCC) 3.3 20030129 (prerelease)
The -ftime-report output was:
Execution times (seconds)
garbage collection : 1.56 ( 2%) usr 0.03 ( 3%) sys 3.00 ( 3%) wall
cfg construction : 0.33 ( 0%) usr 0.02 ( 2%) sys 0.00 ( 0%) wall
cfg cleanup : 1.38 ( 1%) usr 0.00 ( 0%) sys 1.00 ( 1%) wall
trivially dead code : 0.30 ( 0%) usr 0.00 ( 0%) sys 1.00 ( 1%) wall
life analysis : 0.33 ( 0%) usr 0.05 ( 5%) sys 0.00 ( 0%) wall
life info update : 0.13 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
preprocessing : 0.13 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
lexical analysis : 0.10 ( 0%) usr 0.05 ( 5%) sys 0.00 ( 0%) wall
parser : 0.95 ( 1%) usr 0.07 ( 7%) sys 1.00 ( 1%) wall
expand : 85.42 (88%) usr 0.24 (25%) sys 86.00 (88%) wall
varconst : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
integration : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
jump : 0.92 ( 1%) usr 0.10 (10%) sys 1.00 ( 1%) wall
CSE : 0.93 ( 1%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
global CSE : 0.73 ( 1%) usr 0.05 ( 5%) sys 1.00 ( 1%) wall
loop analysis : 0.86 ( 1%) usr 0.23 (24%) sys 2.00 ( 2%) wall
CSE 2 : 0.33 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
branch prediction : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
flow analysis : 0.06 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
combiner : 0.13 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
if-conversion : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
regmove : 0.11 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
mode switching : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
local alloc : 0.23 ( 0%) usr 0.03 ( 3%) sys 0.00 ( 0%) wall
global alloc : 0.40 ( 0%) usr 0.00 ( 0%) sys 1.00 ( 1%) wall
reload CSE regs : 0.30 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
flow 2 : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
peephole 2 : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
rename registers : 0.10 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
scheduling 2 : 0.19 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
shorten branches : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
final : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
rest of compilation : 0.55 ( 1%) usr 0.00 ( 0%) sys 1.00 ( 1%) wall
TOTAL : 97.10 0.96 98.00
I couldn't try the testcase on HEAD because it includes preprocessed output
from the STL; the new parser rejects lots of it, for already well-discussed
reasons.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
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