[Bug tree-optimization/92645] Hand written vector code is 450 times slower when compiled with GCC compared to Clang

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92645

--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Nov 28 12:26:50 2019
New Revision: 278807

URL: https://gcc.gnu.org/viewcvs?rev=278807&root=gcc&view=rev
Log:
2019-11-28  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/92645
        * tree-inline.c (remap_gimple_stmt): When the return value
        is not wanted, elide GIMPLE_RETURN.

        * gcc.dg/tree-ssa/inline-12.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/inline-12.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-inline.c