[Bug target/86487] [7/8/9 Regression] insn does not satisfy its constraints on arm big-endian

[avieira at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86487

--- Comment #12 from avieira at gcc dot gnu.org ---
Author: avieira
Date: Wed Feb 20 14:11:43 2019
New Revision: 269039

URL: https://gcc.gnu.org/viewcvs?rev=269039&root=gcc&view=rev
Log:
[GCC] PR target/86487: fix the way 'uses_hard_regs_p' handles paradoxical
subregs

gcc/ChangeLog:
2019-02-20 Andre Vieira  <andre.simoesdiasvie...@arm.com>

        PR target/86487
        * lra-constraints.c(uses_hard_regs_p): Fix handling of
        paradoxical SUBREGS.

gcc/testsuite/ChangeLog:
2019-02-20 Andre Vieira  <andre.simoesdiasvie...@arm.com>

        PR target/86487
        * gcc.target/arm/pr86487.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/arm/pr86487.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog