[Bug target/66049] [6 regression] Few AArch64 extend and add with shift tests generates sub optimal code with trunk gcc 6.0.

[vekumar at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66049

--- Comment #9 from vekumar at gcc dot gnu.org ---
Author: vekumar
Date: Tue May 26 15:32:02 2015
New Revision: 223703

URL: https://gcc.gnu.org/viewcvs?rev=223703&root=gcc&view=rev
Log:
2015-05-26  Venkataramanan Kumar  <venkataramanan.ku...@amd.com>

        PR target/66049
        * config/aarch64/aarch64.md
        (*adds_shift_imm_<mode>):  New pattern.
        (*subs_shift_imm_<mode>):  Likewise.
        (*adds_<optab><ALLX:mode>_shift_<GPI:mode>):  Likewise.
        (*subs_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
        (*add_uxt<mode>_shift2): Likewise.
        (*add_uxtsi_shift2_uxtw): Likewise.
        (*sub_uxt<mode>_shift2): Likewise.
        (*sub_uxtsi_shift2_uxtw): Likewise.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.md