[Bug rtl-optimization/37889] [4.3 Regression] SEGV, conditional execution proactively executed the false arm.

2009-07-14 Thread rguenth at gcc dot gnu dot org 


--- Comment #22 from rguenth at gcc dot gnu dot org  2009-07-14 09:33 
---
Fixed.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
  Known to fail|4.3.0   |4.3.0 4.3.3
  Known to work|4.2.3 4.4.0 |4.2.3 4.3.4 4.4.0
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37889

[Bug rtl-optimization/37889] [4.3 Regression] SEGV, conditional execution proactively executed the false arm.

2009-07-14 Thread rguenth at gcc dot gnu dot org 


--- Comment #21 from rguenth at gcc dot gnu dot org  2009-07-14 09:33 
---
Subject: Bug 37889

Author: rguenth
Date: Tue Jul 14 09:32:55 2009
New Revision: 149620

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149620
Log:
2009-07-14  Richard Guenther  

Backport from mainline
2009-02-05  Paolo Bonzini  

PR rtl-optimization/39110
* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
addresses, not aligned ones.

2009-02-04  Paolo Bonzini  
Hans-Peter Nilsson  

PR rtl-optimization/37889
* rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
Move offset handling from PLUS to before the switch.  Use new
arguments when considering SYMBOL_REFs too.
(rtx_addr_can_trap_p): Pass dummy offset and size.
(enum may_trap_p_flags): Remove.
(may_trap_p_1): Pass size from MEM_SIZE.

PR rtl-optimization/38921
* loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
* rtl.h (may_trap_after_code_motion_p): Delete prototype.
* rtlanal.c (may_trap_after_code_motion_p): Delete.
(may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/loop-invariant.c
branches/gcc-4_3-branch/gcc/rtl.h
branches/gcc-4_3-branch/gcc/rtlanal.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37889

[Bug rtl-optimization/37889] [4.3 Regression] SEGV, conditional execution proactively executed the false arm.

2009-06-25 Thread rguenth at gcc dot gnu dot org 


--- Comment #20 from rguenth at gcc dot gnu dot org  2009-06-25 20:10 
---
Looking at a backport.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 AssignedTo|bonzini at gnu dot org  |rguenth at gcc dot gnu dot
   ||org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37889

[Bug rtl-optimization/37889] [4.3 Regression] SEGV, conditional execution proactively executed the false arm.

2009-02-06 Thread bonzini at gnu dot org 


--- Comment #19 from bonzini at gnu dot org  2009-02-06 09:05 ---
See 39110 for another patch that would need to be backported (thinko fix).


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bonzini at gnu dot org changed:

   What|Removed |Added

  BugsThisDependsOn||39110
Bug 37889 depends on bug 39110, which changed state.

Bug 39110 Summary: [4.4 Regression] Revision 143939  breaks bootstrap on 
Linux/ia64
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

   What|Old Value   |New Value

 Status|UNCONFIRMED |NEW
 Status|NEW |WAITING
 Status|WAITING |RESOLVED
 Resolution||FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37889

[Bug rtl-optimization/37889] [4.3 Regression] SEGV, conditional execution proactively executed the false arm.

2008-10-22 Thread rguenth at gcc dot gnu dot org 


--- Comment #3 from rguenth at gcc dot gnu dot org  2008-10-22 14:26 ---
Confirmed.  This is ifcvt at work, ce1 is buggy already (it probably thinks
accesses to reg_names cannot trap).


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 CC||rguenth at gcc dot gnu dot
   ||org
  Component|middle-end  |rtl-optimization
   Target Milestone|--- |4.3.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37889