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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/64180] PowerPC carry bit improvements
Date: Wed, 10 Dec 2014 18:36:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64180

--- Comment #7 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Wed Dec 10 18:36:18 2014
New Revision: 218594

URL: https://gcc.gnu.org/viewcvs?rev=218594&root=gcc&view=rev
Log:
    PR target/64180
    * config/rs6000/predicates.md (adde_operand): New.
    * config/rs6000/rs6000.md (add<mode>3_carry): New.
    (*add<mode>3_imm_carry_pos): New.
    (*add<mode>3_imm_carry_0): New.
    (*add<mode>3_imm_carry_m1): New.
    (*add<mode>3_imm_carry_neg): New.
    (add<mode>3_carry_in): New.
    (*add<mode>3_carry_in_internal): New.
    (add<mode>3_carry_in_0): New.
    (add<mode>3_carry_in_m1): New.
    (subf<mode>3_carry): New.
    (*subf<mode>3_imm_carry_0): New.
    (*subf<mode>3_imm_carry_m1): New.
    (subf<mode>3_carry_in): New.
    (*subf<mode>3_carry_in_internal): New.
    (subf<mode>3_carry_in_0): New.
    (subf<mode>3_carry_in_m1): New.
    (subf<mode>3_carry_in_xx): New.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/predicates.md
    trunk/gcc/config/rs6000/rs6000.md