[Bug rtl-optimization/54127] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto, --target=powerpc-unknown-linux-gnu

2012-11-12 Thread jakub at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127



Jakub Jelinek jakub at gcc dot gnu.org changed:



   What|Removed |Added



 Status|NEW |ASSIGNED

 AssignedTo|unassigned at gcc dot   |jakub at gcc dot gnu.org

   |gnu.org |



--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-12 
10:18:24 UTC ---

Created attachment 28667

  -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28667

gcc48-pr54127.patch



Untested fix.

[Bug rtl-optimization/54127] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto, --target=powerpc-unknown-linux-gnu

2012-11-12 Thread jakub at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127



--- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-13 
07:23:56 UTC ---

Author: jakub

Date: Tue Nov 13 07:23:51 2012

New Revision: 193470



URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193470

Log:

PR rtl-optimization/54127

* cfgrtl.c (force_nonfallthru_and_redirect): When redirecting

asm goto labels from BB_HEAD (e-dest) to target bb, decrement

LABEL_NUSES of BB_HEAD (e-dest) and increment LABEL_NUSES of

BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or

REG_LABEL_TARGET and REG_LABEL_OPERAND.



* gcc.dg/torture/pr54127.c: New test.



Added:

trunk/gcc/testsuite/gcc.dg/torture/pr54127.c

Modified:

trunk/gcc/ChangeLog

trunk/gcc/cfgrtl.c

trunk/gcc/testsuite/ChangeLog

[Bug rtl-optimization/54127] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto, --target=powerpc-unknown-linux-gnu

2012-09-20 Thread jakub at gcc dot gnu.org 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127



Jakub Jelinek jakub at gcc dot gnu.org changed:



   What|Removed |Added



   Target Milestone|4.7.2   |4.7.3



--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2012-09-20 
10:15:46 UTC ---

GCC 4.7.2 has been released.

[Bug rtl-optimization/54127] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto, --target=powerpc-unknown-linux-gnu

2012-09-19 Thread rguenth at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127

Richard Guenther rguenth at gcc dot gnu.org changed:

   What|Removed |Added

   Target Milestone|--- |4.7.2

[Bug rtl-optimization/54127] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto, --target=powerpc-unknown-linux-gnu

2012-09-16 Thread dominiq at lps dot ens.fr 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127

Dominique d'Humieres dominiq at lps dot ens.fr changed:

   What|Removed |Added

 Target||powerpc*-*-*
 Status|UNCONFIRMED |NEW
   Last reconfirmed||2012-09-16
 CC||jakub at gcc dot gnu.org
Summary|[4.7] ICE in|[4.7/4.8 Regression] ICE in
   |maybe_record_trace_start|maybe_record_trace_start
   |with asm goto,  |with asm goto,
   |--target=powerpc-unknown-li |--target=powerpc-unknown-li
   |nux-gnu |nux-gnu
 Ever Confirmed|0   |1

--- Comment #1 from Dominique d'Humieres dominiq at lps dot ens.fr 2012-09-16 
17:46:33 UTC ---
Confirmed on 4.8 (see
http://gcc.gnu.org/ml/gcc-testresults/2012-09/msg01501.html).

The test has been added for 4.8 by

Author: jakub
Date: Tue Jun 12 07:52:47 2012
New Revision: 188428

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=188428
Log:
PR rtl-optimization/53589
* cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
discovery even when e-dest != target.  If any LABEL_REF points
to e-dest label, redirect it to target's label.

* gcc.dg/torture/pr53589.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/torture/pr53589.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgrtl.c
trunk/gcc/testsuite/ChangeLog

and for 4.7 by

Date: Thu Jun 14 17:49:49 2012
New Revision: 188626

The test compiles with 4.6.3, so marked as 4.7/4.8 regression.