[Bug target/78904] zero-extracts are not effective

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78904

--- Comment #11 from uros at gcc dot gnu.org ---
Author: uros
Date: Tue Dec 27 08:59:04 2016
New Revision: 243933

URL: https://gcc.gnu.org/viewcvs?rev=243933&root=gcc&view=rev
Log:
        PR target/78904
        * config/i386/i386.md (*cmpqi_ext_1, *extvqi, *extzvqi): Use
        nonimmediate_operand instead of nonimmediate_x64nomem_operand.
        (*cmpqi_ext_3, insv<mode>_1, addqi_ext_1, *testqi_ext_1, andqi_ext_1)
        (*<any_or:code>qi_ext_1, *xorqi_ext_1_cc): Use general_operand
        instead of general_x64nomem_operand.
        * config/i386/predicates.md (nonimmediate_x64nomem_operand): Remove.
        (general_x64nomem_operand): Ditto.

testsuite/ChangeLog:

        PR target/78904
        * gcc.target/i386/pr78904-2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr78904-1.c
      - copied unchanged from r243932,
trunk/gcc/testsuite/gcc.target/i386/pr78904.c
    trunk/gcc/testsuite/gcc.target/i386/pr78904-2.c
Removed:
    trunk/gcc/testsuite/gcc.target/i386/pr78904.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/config/i386/predicates.md
    trunk/gcc/testsuite/ChangeLog