[Bug target/79242] [7/8 Regression] ICE in simplify_subreg, at simplify-rtx.c:6029

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79242

--- Comment #9 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Wed Feb 14 07:21:11 2018
New Revision: 257653

URL: https://gcc.gnu.org/viewcvs?rev=257653&root=gcc&view=rev
Log:
2018-02-14  Jozef Lawrynowicz <jozefl.gcc@gmail.com>

        PR target/79242
        * machmode.def: Define a complex mode for PARTIAL_INT.
        * genmodes.c (complex_class): Return MODE_COMPLEX_INT for
        MODE_PARTIAL_INT.
        * doc/rtl.texi: Document CSPImode.
        * config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode
        handling.
        (msp430_hard_regno_nregs_with_padding): Likewise.

        PR target/79242
        * gcc.target/msp430/pr79242.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/msp430/pr79242.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/msp430/msp430.c
    trunk/gcc/doc/rtl.texi
    trunk/gcc/genmodes.c
    trunk/gcc/machmode.def
    trunk/gcc/testsuite/ChangeLog