--- Comment #12 from rguenth at gcc dot gnu dot org 2010-07-23 12:37
---
This bug is no longer about bootstrap failure. Which is fixed.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
---
--- Comment #11 from jiez at gcc dot gnu dot org 2010-07-13 16:40 ---
Created an attachment (id=21192)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21192&action=view)
The reduced test case
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jiez at gcc dot gnu dot org changed:
What|Removed
--- Comment #10 from jiez at gcc dot gnu dot org 2010-07-13 16:20 ---
Created an attachment (id=21191)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21191&action=view)
The reduced test case
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44921
--- Comment #9 from jiez at gcc dot gnu dot org 2010-07-13 09:52 ---
I think this one caused it:
http://gcc.gnu.org/ml/gcc-patches/2010-06/msg03103.html
The test case is attached.
$ ./cc1 -O2 -Wall testcase.i -quiet
testcase.i: In function 'reload_cse_regs':
testcase.i:18129:64: warni
--- Comment #7 from amylaar at spamcop dot net 2010-07-13 01:55 ---
Subject: Re: [4.6 Regression] Failed to bootstrap
Quoting hjl dot tools at gmail dot com :
> Maybe
>
> int min_regno = 0;
>
> is faster.
Considering performance, your first patch was better - it avoids a call to
rtx_c
--- Comment #6 from hjl at gcc dot gnu dot org 2010-07-13 00:52 ---
Subject: Bug 44921
Author: hjl
Date: Tue Jul 13 00:51:43 2010
New Revision: 162120
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162120
Log:
Silence gcc warning on min_regno.
2010-07-12 H.J. Lu
PR
--- Comment #5 from amylaar at gcc dot gnu dot org 2010-07-12 23:45 ---
(In reply to comment #3)
> Does the first chunk count as obvious?
I'd say yes.
My boostraps using that hunk with and without --enable-build-with-cxx on
i686-pc-linux-gnu
have progressed past the stage2/stage3 compa
--- Comment #4 from hjl dot tools at gmail dot com 2010-07-12 23:34 ---
(In reply to comment #3)
> (In reply to comment #2)
> > The variable can not actually be used uninitalized, since min_cost is
> > initalized to INT_MAX, and the return type of rtx_cost is int.
> > So it is enough to
--- Comment #3 from hjl dot tools at gmail dot com 2010-07-12 23:33 ---
(In reply to comment #2)
> The variable can not actually be used uninitalized, since min_cost is
> initalized to INT_MAX, and the return type of rtx_cost is int.
> So it is enough to shut up the compiler warning, no
--- Comment #2 from amylaar at gcc dot gnu dot org 2010-07-12 22:54 ---
(In reply to comment #1)
> This patch:
>
> Index: postreload.c
> ===
> --- postreload.c(revision 162085)
> +++ postreload.c(working cop
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amylaar at gcc dot gnu dot org changed:
What|Removed |Added
CC||amylaar at gcc dot gnu dot
|
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hjl dot tools at gmail dot com changed:
What|Removed |Added
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44921
--- Comment #1 from hjl dot tools at gmail dot com 2010-07-12 18:46 ---
This patch:
Index: postreload.c
===
--- postreload.c(revision 162085)
+++ postreload.c(working copy)
@@ -1281,7 +1281,7 @@ move2add_use
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