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r260350 - in /trunk/gcc: ChangeLog passes.def t...
- From: marxin at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 18 May 2018 08:43:19 -0000
- Subject: r260350 - in /trunk/gcc: ChangeLog passes.def t...
Author: marxin
Date: Fri May 18 08:43:19 2018
New Revision: 260350
URL: https://gcc.gnu.org/viewcvs?rev=260350&root=gcc&view=rev
Log:
Radically simplify emission of balanced tree for switch statements.
2018-05-18 Martin Liska <mliska@suse.cz>
* passes.def: Add pass_lower_switch and pass_lower_switch_O0.
* tree-pass.h (make_pass_lower_switch_O0): New function.
* tree-switch-conversion.c (node_has_low_bound): Remove.
(node_has_high_bound): Likewise.
(node_is_bounded): Likewise.
(class pass_lower_switch): Make it a template type and create
two instances.
(pass_lower_switch::execute): Add template argument.
(make_pass_lower_switch): New function.
(make_pass_lower_switch_O0): New function.
(do_jump_if_equal): Remove.
(emit_case_nodes): Simplify to just handle all 3 cases and leave
all the hard work to tree optimization passes.
2018-05-18 Martin Liska <mliska@suse.cz>
* gcc.dg/tree-ssa/vrp104.c: Adjust dump file that is scanned.
* gcc.dg/tree-prof/update-loopch.c: Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/passes.def
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-prof/update-loopch.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp104.c
trunk/gcc/tree-pass.h
trunk/gcc/tree-switch-conversion.c