[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue May  3 11:45:04 2016
New Revision: 235816

URL: https://gcc.gnu.org/viewcvs?rev=235816&root=gcc&view=rev
Log:
        PR rtl-optimization/70467
        * config/i386/predicates.md (x86_64_hilo_int_operand,
        x86_64_hilo_general_operand): New predicates.
        * config/i386/constraints.md (Wd): New constraint.
        * config/i386/i386.md (mode attr di): Use Wd instead of e.
        (general_hilo_operand): New mode attr.
        (add<mode>3, sub<mode>3): Use <general_hilo_operand>
        instead of <general_operand>.
        (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
        x86_64_hilo_general_operand instead of <general_operand>.

        * gcc.target/i386/pr70467-3.c: New test.
        * gcc.target/i386/pr70467-4.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr70467-3.c
    trunk/gcc/testsuite/gcc.target/i386/pr70467-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/constraints.md
    trunk/gcc/config/i386/i386.md
    trunk/gcc/config/i386/predicates.md
    trunk/gcc/testsuite/ChangeLog