[Bug target/66824] -miamcu doesn't load FP constant into register directly

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66824

--- Comment #3 from uros at gcc dot gnu.org ---
Author: uros
Date: Fri Jul 17 07:02:29 2015
New Revision: 225919

URL: https://gcc.gnu.org/viewcvs?rev=225919&root=gcc&view=rev
Log:
        PR target/66824
        * config/i386/i386.h (TARGET_HARD_SF_REGS): New define.
        (TARGET_HARD_DF_REGS): Ditto.
        (TARGET_HARD_XF_REGS): Ditto.
        * config/i386/i386.md (*movxf_internal): Add alternatives 9 and 10.
        Enable alternatives 9 and 10 only for !TARGET_HARD_XF_REG target.
        (*movdf_internal): Add alternatives 22, 23, 24 and 25. Enable
        alternatives 22, 23, 24 and 25 only for !TARGET_HARD_DF_REG target.
        (*movsf_internal): Add alternatives 16 and 17. Enable
        alternatives 16 and 17 only for !TARGET_HARD_SF_REG target.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.h
    trunk/gcc/config/i386/i386.md