[Bug target/87511] [9 Regression][AArch64] UBFIZ instruction with invalid immediate emitted

[wilco at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87511

--- Comment #2 from Wilco <wilco at gcc dot gnu.org> ---
Author: wilco
Date: Thu Oct 11 19:10:12 2018
New Revision: 265058

URL: https://gcc.gnu.org/viewcvs?rev=265058&root=gcc&view=rev
Log:
[AArch64] Fix PR87511

As mentioned in PR87511, the shift used in aarch64_mask_and_shift_for_ubfiz_p
should be evaluated as a HOST_WIDE_INT rather than int.

Passes bootstrap & regress.

    gcc/
        PR target/87511
        * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
        Use HOST_WIDE_INT_1U for shift.

    testsuite/
        PR target/87511
        * gcc.target/aarch64/pr87511.c: Add new test.

Added:
    trunk/gcc/testsuite/gcc.target/aarch64/pr87511.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/testsuite/ChangeLog