diff options
| author | sebastianperta <sebastianperta@138bc75d-0d04-0410-961f-82ee72b054a4> | 2018-01-22 15:00:59 +0000 |
|---|---|---|
| committer | sebastianperta <sebastianperta@138bc75d-0d04-0410-961f-82ee72b054a4> | 2018-01-22 15:00:59 +0000 |
| commit | f77335d9bef2fe5eed7271283961a8765bf47a12 (patch) | |
| tree | d4044f4a15983d2b70d557452f4a36ea3b69ac07 /libgcc | |
| parent | a158c72469b29d2339778df60564b3b5d8d7a6a0 (diff) | |
2017-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md: New define_expand "umaxdi3".
2017-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/umaxdi3.S: New assembly file.
* config/rl78/t-rl78: Added umaxdi3.S to LIB2ADD.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256948 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 5 | ||||
| -rw-r--r-- | libgcc/config/rl78/t-rl78 | 3 | ||||
| -rw-r--r-- | libgcc/config/rl78/umaxdi3.S | 74 |
3 files changed, 81 insertions, 1 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 7a530b20235..cf494b41df4 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2017-01-22 Sebastian Perta <sebastian.perta@renesas.com> + + * config/rl78/umaxdi3.S: New assembly file. + * config/rl78/t-rl78: Added umaxdi3.S to LIB2ADD. + 2018-01-21 John David Anglin <danglin@gcc.gnu.org> PR lto/83452 diff --git a/libgcc/config/rl78/t-rl78 b/libgcc/config/rl78/t-rl78 index 18b39b97278..2c8194ce827 100644 --- a/libgcc/config/rl78/t-rl78 +++ b/libgcc/config/rl78/t-rl78 @@ -32,7 +32,8 @@ LIB2ADD = \ $(srcdir)/config/rl78/fpmath-sf.S \ $(srcdir)/config/rl78/cmpsi2.S \ $(srcdir)/config/rl78/adddi3.S \ - $(srcdir)/config/rl78/subdi3.S + $(srcdir)/config/rl78/subdi3.S \ + $(srcdir)/config/rl78/umaxdi3.S LIB2FUNCS_EXCLUDE = _clzhi2 _clzsi2 _ctzhi2 _ctzsi2 \ _popcounthi2 _popcountsi2 \ diff --git a/libgcc/config/rl78/umaxdi3.S b/libgcc/config/rl78/umaxdi3.S new file mode 100644 index 00000000000..465ba1a207a --- /dev/null +++ b/libgcc/config/rl78/umaxdi3.S @@ -0,0 +1,74 @@ +; Copyright (C) 2017 Free Software Foundation, Inc. +; Contributed by Sebastian Perta. +; +; This file is free software; you can redistribute it and/or modify it +; under the terms of the GNU General Public License as published by the +; Free Software Foundation; either version 3, or (at your option) any +; later version. +; +; This file is distributed in the hope that it will be useful, but +; WITHOUT ANY WARRANTY; without even the implied warranty of +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +; General Public License for more details. +; +; Under Section 7 of GPL version 3, you are granted additional +; permissions described in the GCC Runtime Library Exception, version +; 3.1, as published by the Free Software Foundation. +; +; You should have received a copy of the GNU General Public License and +; a copy of the GCC Runtime Library Exception along with this program; +; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +; <http://www.gnu.org/licenses/>. + + +#include "vregs.h" + + .text + +START_FUNC ___umaxdi3 + + ; copy first argument/operand to the output registers + movw ax, [sp+4] + movw r8, ax + movw ax, [sp+6] + movw r10, ax + movw ax, [sp+8] + movw r12, ax + movw ax, [sp+10] + movw r14, ax + + ; use 16-bit compares from the most significant words downto the least significant ones + movw ax, [sp+18] + cmpw ax, r14 + bh $.L1 + bnz $.L2 + + movw ax, [sp+16] + cmpw ax, r12 + bh $.L1 + bnz $.L2 + + movw ax, [sp+14] + cmpw ax, r10 + bh $.L1 + bnz $.L2 + + movw ax, [sp+12] + cmpw ax, r8 + bh $.L1 + ret + +.L1: + ; copy second argument/operand to the output registers + movw ax, [sp+12] + movw r8, ax + movw ax, [sp+14] + movw r10, ax + movw ax, [sp+16] + movw r12, ax + movw ax, [sp+18] + movw r14, ax +.L2: + ret + +END_FUNC ___umaxdi3 |