[Bug rtl-optimization/87761] [9 regression][MIPS] New FAIL: gcc.target/mips/fix-r4000-10.c -O1 start with r265398

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87761

--- Comment #13 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Feb 22 16:38:43 2019
New Revision: 269123

URL: https://gcc.gnu.org/viewcvs?rev=269123&root=gcc&view=rev
Log:
        PR rtl-optimization/87761
        * config/mips/mips.md: Add new combiner pattern to recognize
        a bitfield extraction using (ashiftrt (truncate (ashift (...)))).

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/mips/mips.md