[Bug target/71607] [5/6/7/8 Regression] [ARM] ice due to forbidden enabled attribute dependency on instruction operands

["thopre01 at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71607

--- Comment #14 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
Author: thopre01
Date: Fri May  5 15:41:28 2017
New Revision: 247640

URL: https://gcc.gnu.org/viewcvs?rev=247640&root=gcc&view=rev
Log:
[ARM] PR71607: Fix ICE when loading constant

2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

    gcc/
    PR target/71607
    * config/arm/arm.md (use_literal_pool): Remove.
    (64-bit immediate split): No longer takes cost into consideration
    if arm_disable_literal_pool is enabled.
    * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
    used when arm_disable_literal_pool is enabled.
    (arm_max_const_double_inline_cost): Remove use of
    arm_disable_literal_pool.
    (push_minipool_fix): Add assert.
    (arm_reorg): Add return if arm_disable_literal_pool is enabled.
    * config/arm/vfp.md (no_literal_pool_df_immediate): New.
    (no_literal_pool_sf_immediate): New.

2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
        Thomas Preud'homme  <thomas.preudhomme@arm.com>
        Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

    gcc/testsuite/
    PR target/71607
    * gcc.target/arm/thumb2-slow-flash-data.c: Renamed to ...
    * gcc.target/arm/thumb2-slow-flash-data-1.c: ... this.
    * gcc.target/arm/thumb2-slow-flash-data-2.c: New.
    * gcc.target/arm/thumb2-slow-flash-data-3.c: New.
    * gcc.target/arm/thumb2-slow-flash-data-4.c: New.
    * gcc.target/arm/thumb2-slow-flash-data-5.c: New.
    * gcc.target/arm/tls-disable-literal-pool.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-1.c
      - copied, changed from r247638,
trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data.c
    trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-2.c
    trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-3.c
    trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-4.c
    trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-5.c
    trunk/gcc/testsuite/gcc.target/arm/tls-disable-literal-pool.c
Removed:
    trunk/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c
    trunk/gcc/config/arm/arm.md
    trunk/gcc/config/arm/vfp.md
    trunk/gcc/testsuite/ChangeLog