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

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

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

--- Comment #15 from prakhar at gcc dot gnu.org ---
Author: prakhar
Date: Fri Jun  2 11:19:16 2017
New Revision: 248822

URL: https://gcc.gnu.org/viewcvs?rev=248822&root=gcc&view=rev
Log:
PR71607: Fix ICE when loading constant

2017-06-02  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

        Backport from mainline
        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:
   
branches/gcc-7-branch/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-2.c
   
branches/gcc-7-branch/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-3.c
   
branches/gcc-7-branch/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-4.c
   
branches/gcc-7-branch/gcc/testsuite/gcc.target/arm/thumb2-slow-flash-data-5.c
   
branches/gcc-7-branch/gcc/testsuite/gcc.target/arm/tls-disable-literal-pool.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/arm/arm.c
    branches/gcc-7-branch/gcc/config/arm/arm.md
    branches/gcc-7-branch/gcc/config/arm/vfp.md
    branches/gcc-7-branch/gcc/testsuite/ChangeLog