[Bug target/91604] [10 Regression] ICE in extract_insn at recog.c:2310 since r272323

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91604

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Sep  3 16:46:06 2019
New Revision: 275344

URL: https://gcc.gnu.org/viewcvs?rev=275344&root=gcc&view=rev
Log:
        PR target/91604
        * config/i386/i386-expand.c (split_double_mode): If there is more than
        one MEM operand and they are rtx_equal_p, reuse lo_half/hi_half from
        already split matching MEM operand instead of calling adjust_address
        again.

        * gcc.target/i386/pr91604.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr91604.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-expand.c
    trunk/gcc/testsuite/ChangeLog