[Bug target/80819] [6/7/8 regression] Useless store to the stack in _mm_set_epi64x with SSE4 -mno-avx

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Nov 29 08:40:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80819

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Nov 29 08:40:13 2017
New Revision: 255226

URL: https://gcc.gnu.org/viewcvs?rev=255226&root=gcc&view=rev
Log:
        PR target/80819
        * config/i386/sse.md (vec_concatv2di): Remove * from (=Yr,0,*rm)
        alternative.

        * gcc.target/i386/pr80819-1.c: New test.
        * gcc.target/i386/pr80819-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr80819-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr80819-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/sse.md
    trunk/gcc/testsuite/ChangeLog


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