--- Additional Comments From rakdver at gcc dot gnu dot org 2004-12-18
20:24 ---
Fixed.
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What|Removed |Added
Status|ASSIGNED|RESOLVED
--- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-12-18
20:23 ---
Subject: Bug 18800
CVSROOT:/cvs/gcc
Module name:gcc
Changes by: [EMAIL PROTECTED] 2004-12-18 20:22:54
Modified files:
gcc: ChangeLog params.def tree-ssa-loop-iv
--- Additional Comments From rakdver at gcc dot gnu dot org 2004-12-13
16:51 ---
Patch:
http://gcc.gnu.org/ml/gcc-patches/2004-12/msg00950.html
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What|Removed |Added
--- Additional Comments From rakdver at gcc dot gnu dot org 2004-12-12
22:12 ---
The problem is unrelated to the fact that the array is local. It is a problem
in the algorithm that tries to find a suitable set of ivs -- it gets stuck in a
local optimum, thus causing a suboptimal code as
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-12
16:31 ---
This shows up every where on PPC where ever there is an local array, I would
not doubt there is not a
case in GCC which looks like this.
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What|Removed |Added
--- Additional Comments From steven at gcc dot gnu dot org 2004-12-12
10:06 ---
How can a missed optimization ever be P1.
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What|Removed |Added
Priority|P1
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What|Removed |Added
Priority|P2 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18800
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-03
12:41 ---
with 3.3.2 I get:
L9:
stw r0,0(r9)
addi r9,r9,4
bdnz L9
With the mainline I get:
L2:
slwi r0,r2,2
addi r2,r2,1
stwx r9,r11,r0
bdnz L2
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--- Additional Comments From steven at gcc dot gnu dot org 2004-12-03
11:19 ---
Are we supposed to guess the actual problem here or what??
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What|Removed |Added
--
What|Removed |Added
CC||rakdver at gcc dot gnu dot
||org
http://gcc.gnu.org/bugzilla/sh
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What|Removed |Added
Known to fail||4.0.0
Known to work||3.3.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18800
--
What|Removed |Added
Target Milestone|--- |4.0.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18800
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