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* [Bug target/60298] [ARM/Thumb1] ICE caused by LRA for case pr54713-1.c [not found] <bug-60298-4@http.gcc.gnu.org/bugzilla/> @ 2014-02-21 8:39 ` terry.guo at arm dot com 2014-02-21 21:24 ` vmakarov at gcc dot gnu.org 2014-03-10 8:08 ` ramana at gcc dot gnu.org 2 siblings, 0 replies; 3+ messages in thread From: terry.guo at arm dot com @ 2014-02-21 8:39 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60298 --- Comment #1 from Terry Guo <terry.guo at arm dot com> --- I did a little investigation and think the issue may be related to following code from function remove_some_program_points_and_update_live_ranges: 782 max_regno = max_reg_num (); 783 for (i = FIRST_PSEUDO_REGISTER; i < (unsigned) max_regno; i++) 784 { 785 for (r = lra_reg_info[i].live_ranges; r != NULL; r = r->next) 786 { 787 lra_assert (r->start <= r->finish); 788 bitmap_set_bit (born, r->start); 789 bitmap_set_bit (dead, r->finish); 790 } 791 } The max_regno is 575, while the length of array lra_reg_info is just 568. When the loop index i is 568, the issue is triggered. ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/60298] [ARM/Thumb1] ICE caused by LRA for case pr54713-1.c [not found] <bug-60298-4@http.gcc.gnu.org/bugzilla/> 2014-02-21 8:39 ` [Bug target/60298] [ARM/Thumb1] ICE caused by LRA for case pr54713-1.c terry.guo at arm dot com @ 2014-02-21 21:24 ` vmakarov at gcc dot gnu.org 2014-03-10 8:08 ` ramana at gcc dot gnu.org 2 siblings, 0 replies; 3+ messages in thread From: vmakarov at gcc dot gnu.org @ 2014-02-21 21:24 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60298 --- Comment #2 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- Author: vmakarov Date: Fri Feb 21 21:23:48 2014 New Revision: 208023 URL: http://gcc.gnu.org/viewcvs?rev=208023&root=gcc&view=rev Log: 2014-02-21 Vladimir Makarov <vmakarov@redhat.com> PR target/60298 * lra-constraints.c (inherit_reload_reg): Use lra_emit_move instead of emit_move_insn. Modified: trunk/gcc/ChangeLog trunk/gcc/lra-constraints.c ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/60298] [ARM/Thumb1] ICE caused by LRA for case pr54713-1.c [not found] <bug-60298-4@http.gcc.gnu.org/bugzilla/> 2014-02-21 8:39 ` [Bug target/60298] [ARM/Thumb1] ICE caused by LRA for case pr54713-1.c terry.guo at arm dot com 2014-02-21 21:24 ` vmakarov at gcc dot gnu.org @ 2014-03-10 8:08 ` ramana at gcc dot gnu.org 2 siblings, 0 replies; 3+ messages in thread From: ramana at gcc dot gnu.org @ 2014-03-10 8:08 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60298 Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Status|UNCONFIRMED |RESOLVED CC| |ramana at gcc dot gnu.org Resolution|--- |FIXED Target Milestone|--- |4.9.0 --- Comment #3 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> --- Fixed as per Vlad's last comment. ^ permalink raw reply [flat|nested] 3+ messages in thread
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[not found] <bug-60298-4@http.gcc.gnu.org/bugzilla/>
2014-02-21 8:39 ` [Bug target/60298] [ARM/Thumb1] ICE caused by LRA for case pr54713-1.c terry.guo at arm dot com
2014-02-21 21:24 ` vmakarov at gcc dot gnu.org
2014-03-10 8:08 ` ramana at gcc dot gnu.org
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