[Bug tree-optimization/87205] Inefficient code generation for switch

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87205

--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Sep  5 11:28:49 2018
New Revision: 264124

URL: https://gcc.gnu.org/viewcvs?rev=264124&root=gcc&view=rev
Log:
Group switch cases in switch lowering (PR tree-optimization/87205).

2018-09-05  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/87205
        * tree-switch-conversion.c (pass_lower_switch::execute):
        Group cases for switch statements.
2018-09-05  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/87205
        * gcc.dg/tree-ssa/pr87205-2.c: New test.
        * gcc.dg/tree-ssa/pr87205.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr87205-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr87205.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-switch-conversion.c