[Bug target/64617] [5 Regression] ICE: Max. number of generated reload insns per insn is achieved (90) with -ftree-vectorize -mavx512bw -march=slm

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64617

--- Comment #3 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Fri Jan 30 17:47:44 2015
New Revision: 220294

URL: https://gcc.gnu.org/viewcvs?rev=220294&root=gcc&view=rev
Log:
2015-01-30  Vladimir Makarov  <vmakarov@redhat.com>

    PR target/64617
    * lra-constraints.c (prohibited_class_reg_set_mode_p): New
    function.
    (process_alt_operands): Use it.
    (curr_insn_transform): Check the optional reload pseudo class is
    ok for the mode.

2015-01-30  Vladimir Makarov  <vmakarov@redhat.com>

    PR target/64617
    * gcc.target/i386/pr64617.c: New test.



Added:
    trunk/gcc/testsuite/gcc.target/i386/pr64617.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog