[Bug rtl-optimization/21330] [4.0/4.1 Regression] ICE in compare_and_jump_seq, at loop-unswitch.c:120

[cvs-commit at gcc dot gnu dot org]

--- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-05-03 
13:10 ---
Subject: Bug 21330

CVSROOT:/cvs/gcc
Module name:gcc
Changes by: [EMAIL PROTECTED]   2005-05-03 13:09:54

Modified files:
gcc: ChangeLog loop-unswitch.c 
gcc/testsuite  : ChangeLog 
Added files:
gcc/testsuite/gcc.c-torture/execute: 20050502-1.c 

Log message:
PR rtl-optimization/21330
* loop-unswitch.c (may_unswitch_on): Set *cinsn only when
returning non-NULL.
(unswitch_single_loop): Clear cinsn when retrying.

* gcc.c-torture/execute/20050502-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gccr1=2.8573r2=2.8574
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-unswitch.c.diff?cvsroot=gccr1=1.29r2=1.30
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gccr1=1.5434r2=1.5435
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050502-1.c.diff?cvsroot=gccr1=NONEr2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21330

[Bug rtl-optimization/21330] [4.0/4.1 Regression] ICE in compare_and_jump_seq, at loop-unswitch.c:120

[pinskia at gcc dot gnu dot org]

-- 
   What|Removed |Added

 CC||pinskia at gcc dot gnu dot
   ||org
 GCC target triplet|powerpc-linux   |powerpc-*-*
   Keywords||ice-on-valid-code
Summary|ICE in compare_and_jump_seq,|[4.0/4.1 Regression] ICE in
   |at loop-unswitch.c:120  |compare_and_jump_seq, at
   ||loop-unswitch.c:120
   Target Milestone|--- |4.0.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21330