[Bug target/81481] [7 Regression] Spills %xmm to stack in glibc strspn SSE 4.2 variant

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81481

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 16 09:51:57 2018
New Revision: 256731

URL: https://gcc.gnu.org/viewcvs?rev=256731&root=gcc&view=rev
Log:
2018-01-16  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2017-09-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/81481
        * ira-costs.c (scan_one_insn): Don't take into account PIC equiv
        with a symbol for LRA.

        * gcc.target/i386/pr81481.c: New.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr81481.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/ira-costs.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog