[Bug rtl-optimization/54472] ICE (spill_failure): unable to find a register to spill in class 'AREG' with -O -fschedule-insns -fselective-scheduling

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54472



--- Comment #8 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-11-09 
12:28:30 UTC ---

Author: abel

Date: Fri Nov  9 12:28:21 2012

New Revision: 193358



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193358

Log:

    PR rtl-optimization/54472



    * sel-sched-ir.c (has_dependence_note_reg_set): Handle implicit sets.

    (has_dependence_note_reg_clobber,

    has_dependence_note_reg_use): Likewise.



    * gcc.dg/pr54472.c: New test.



Added:

    trunk/gcc/testsuite/gcc.dg/pr54472.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/sel-sched-ir.c

    trunk/gcc/testsuite/ChangeLog