--- Comment #12 from reichelt at gcc dot gnu dot org 2006-05-09 08:51
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*** Bug 26771 has been marked as a duplicate of this bug. ***
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reichelt at gcc dot gnu dot org changed:
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--- Comment #10 from dberlin at gcc dot gnu dot org 2006-05-09 01:28
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Subject: Bug 27093
Author: dberlin
Date: Tue May 9 01:28:47 2006
New Revision: 113641
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=113641
Log:
2006-05-08 Daniel Berlin [EMAIL PROTECTED]
Fix PR
--- Comment #11 from dberlin at gcc dot gnu dot org 2006-05-09 02:08
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Fixed
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dberlin at gcc dot gnu dot org changed:
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--- Comment #9 from dberlin at gcc dot gnu dot org 2006-05-07 18:18 ---
Mine
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dberlin at gcc dot gnu dot org changed:
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AssignedTo|unassigned
--- Comment #6 from dberlin at gcc dot gnu dot org 2006-05-04 16:52 ---
G. These phi nodes are all dead, but it still is verifying them anyway.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27093
--- Comment #7 from dberlin at gcc dot gnu dot org 2006-05-04 16:57 ---
Subject: Bug 27093
This should fix it.
--- Comment #8 from dberlin at gcc dot gnu dot org 2006-05-04 16:57 ---
Created an attachment (id=11374)
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--- Comment #2 from pinskia at gcc dot gnu dot org 2006-05-02 07:56 ---
Janis, could you do a regression hunt on this one also, testcase from comment
#0 with -O2.
Thanks,
Pinski
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pinskia at gcc dot gnu dot org changed:
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--- Comment #3 from rguenth at gcc dot gnu dot org 2006-05-02 08:04 ---
VRP causes the definition for SMT.5_37 to vanish, but it doesn't update the
PHI node. After reassoc we have:
# SMT.5_26 = PHI SMT.5_35(4), SMT.5_43(7), SMT.5_41(5);
# bytes_left_22 = PHI
--- Comment #4 from rguenth at gcc dot gnu dot org 2006-05-02 08:36 ---
Now, this is more like caused by cfg_cleanup. loop_optimizer_init () inserts a
basic block 11, so we have
(gdb) call debug_bb_n(6)
;; basic block 6, loop depth 0, count 0
;; prev block 5, next block 7
;; pred:
--- Comment #5 from janis at gcc dot gnu dot org 2006-05-02 23:04 ---
A regression hunt on powerpc-linux using the test from comment #0 identified
this patch:
http://gcc.gnu.org/viewcvs?view=revrev=111608
r111608 | dberlin | 2006-03-01 17:46:56 + (Wed, 01 Mar 2006)
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--- Comment #1 from pinskia at gcc dot gnu dot org 2006-04-09 17:50 ---
Confirmed, this is a regression. There might be already a dup of this but I
don't have time to find it right now.
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pinskia at gcc dot gnu dot org changed:
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