[Bug target/92295] Inefficient vector constructor

[liuhongt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92295

--- Comment #2 from liuhongt at gcc dot gnu.org ---
Author: liuhongt
Date: Fri Nov  8 05:34:25 2019
New Revision: 277946

URL: https://gcc.gnu.org/viewcvs?rev=277946&root=gcc&view=rev
Log:
Fix inefficient vector constructor.

Changelog
gcc/
        PR target/92295
        * config/i386/i386-expand.c (ix86_expand_vector_init_concat)
        Enhance ix86_expand_vector_init_concat.

gcc/testsuite
        * gcc.target/i386/pr92295.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr92295.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-expand.c
    trunk/gcc/testsuite/ChangeLog