[Bug target/83969] [8 Regression] ICE in final_scan_insn, at final.c:2997 (error: could not split insn) for powerpc targets

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83969

--- Comment #12 from Peter Bergner <bergner at gcc dot gnu.org> ---
Author: bergner
Date: Fri Mar  9 22:43:59 2018
New Revision: 258400

URL: https://gcc.gnu.org/viewcvs?rev=258400&root=gcc&view=rev
Log:
gcc/
        PR target/83969
        * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New prototype.
        Add strict argument and use it.
        (rs6000_split_multireg_move): Update for new strict argument.
        (mem_operand_gpr): Disallow all non-offsettable addresses.
        * config/rs6000/rs6000.md (*movdi_internal64): Use YZ constraint.

gcc/testsuite/
        PR target/83969
        * gcc.target/powerpc/pr83969.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/powerpc/pr83969.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/config/rs6000/rs6000.md
    trunk/gcc/testsuite/ChangeLog