[Bug target/60104] load not folded into indirect branch on x86-64

[ktietz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60104

--- Comment #1 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Author: ktietz
Date: Fri May 30 18:00:11 2014
New Revision: 211089

URL: http://gcc.gnu.org/viewcvs?rev=211089&root=gcc&view=rev
Log:
    PR target/60104
    * config/i386/i386.c (x86_output_mi_thunk): Add memory case
    for sibling-tail-calls.
    * config/i386/i386.md (sibcall_insn_operand): Add memory-constrain
    to its use.
    * config/i386/predicates.md (sibcall_memory_operand): New predicate.
    (sibcall_insn_operand): Add check for sibcall_memory_operand.

    PR target/60104
    * gcc.target/i386/sibcall-1.c: New test.
    * gcc.target/i386/sibcall-2.c: New test.
    * gcc.target/i386/sibcall-3.c: New test.
    * gcc.target/i386/sibcall-4.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/sibcall-1.c
    trunk/gcc/testsuite/gcc.target/i386/sibcall-2.c
    trunk/gcc/testsuite/gcc.target/i386/sibcall-3.c
    trunk/gcc/testsuite/gcc.target/i386/sibcall-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.md
    trunk/gcc/config/i386/predicates.md