[Bug target/77308] surprisingly large stack usage for sha512 on arm

[edlinger at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77308

--- Comment #64 from Bernd Edlinger <edlinger at gcc dot gnu.org> ---
Author: edlinger
Date: Mon Sep  4 15:25:59 2017
New Revision: 251663

URL: https://gcc.gnu.org/viewcvs?rev=251663&root=gcc&view=rev
Log:
2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/77308
        * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
        TARGET_NEON and TARGET_IWMMXT.
        (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
        TARGET_NEON and TARGET_IWMMXT.
        (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.

testsuite:
2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/77308
        * gcc.target/arm/pr77308-1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/arm/pr77308-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.md
    trunk/gcc/testsuite/ChangeLog