aarch64.md (*condjump): Handle functions > 1 MiB.

aarch64.md (*condjump): Handle functions > 1 MiB.

2015-08-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>

    gcc/
    * config/aarch64/aarch64.md (*condjump): Handle functions > 1 MiB.
    (*cb<optab><mode>1): Likewise.
    (*tb<optab><mode>1): Likewise.
    (*cb<optab><mode>1): Likewise.
    * config/aarch64/iterators.md (inv_cb): New code attribute.
    (inv_tb): Likewise.
    * config/aarch64/aarch64.c (aarch64_gen_far_branch): New.
    * config/aarch64/aarch64-protos.h (aarch64_gen_far_branch): New.

    gcc/testsuite/
    * gcc.target/aarch64/long_branch_1.c: New test.

From-SVN: r227253