[Bug target/78090] [x86_64]: GCC allows integer register for inter unit conversion under -mtune-ctrl=^inter_unit_conversions .

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78090

--- Comment #4 from uros at gcc dot gnu.org ---
Author: uros
Date: Thu Apr 20 19:04:36 2017
New Revision: 247036

URL: https://gcc.gnu.org/viewcvs?rev=247036&root=gcc&view=rev
Log:
        PR target/78090
        * config/i386/constraints.md (Yc): New register constraint.
        * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
        Use Yc constraint for alternative 2 of operand 0.  Remove
        preferred_for_speed attribute.

testsuite/ChangeLog:

        PR target/78090
        * gcc.target/i386/conversion-2.c: Remove obsolete test.


Removed:
    trunk/gcc/testsuite/gcc.target/i386/conversion-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/constraints.md
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog