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authorsebastianperta <sebastianperta@138bc75d-0d04-0410-961f-82ee72b054a4>2018-01-22 18:51:28 +0000
committersebastianperta <sebastianperta@138bc75d-0d04-0410-961f-82ee72b054a4>2018-01-22 18:51:28 +0000
commita2618819dfdb967e125f5133d720d2ffe0a7798f (patch)
treee0779db8f7fae46349af2c8f952ec11f62c4c99e /libgcc
parenteb4cdc2f7c42425a9d5f13f3cb0d115df33a549e (diff)
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
* config/rl78/rl78.md: New define_expand "umindi3". 2018-01-22 Sebastian Perta <sebastian.perta@renesas.com> * config/rl78/umindi3.S: New assembly file. * config/rl78/t-rl78: Added umindi3.S to LIB2ADD. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256957 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc')
-rw-r--r--libgcc/ChangeLog5
-rw-r--r--libgcc/config/rl78/t-rl781
-rw-r--r--libgcc/config/rl78/umindi3.S74
3 files changed, 80 insertions, 0 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 574d585b8ac..dddf837aad3 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,5 +1,10 @@
2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
+ * config/rl78/umindi3.S: New assembly file.
+ * config/rl78/t-rl78: Added umindi3.S to LIB2ADD.
+
+2018-01-22 Sebastian Perta <sebastian.perta@renesas.com>
+
* config/rl78/smindi3.S: New assembly file.
* config/rl78/t-rl78: Added smindi3.S to LIB2ADD.
diff --git a/libgcc/config/rl78/t-rl78 b/libgcc/config/rl78/t-rl78
index 71de3fa6f4f..1e9a029e9f5 100644
--- a/libgcc/config/rl78/t-rl78
+++ b/libgcc/config/rl78/t-rl78
@@ -33,6 +33,7 @@ LIB2ADD = \
$(srcdir)/config/rl78/cmpsi2.S \
$(srcdir)/config/rl78/adddi3.S \
$(srcdir)/config/rl78/subdi3.S \
+ $(srcdir)/config/rl78/umindi3.S \
$(srcdir)/config/rl78/umaxdi3.S \
$(srcdir)/config/rl78/smindi3.S \
$(srcdir)/config/rl78/smaxdi3.S
diff --git a/libgcc/config/rl78/umindi3.S b/libgcc/config/rl78/umindi3.S
new file mode 100644
index 00000000000..903bbfdab64
--- /dev/null
+++ b/libgcc/config/rl78/umindi3.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 ___umindi3
+
+ ; 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
+ bc $.L1
+ bnz $.L2
+
+ movw ax, [sp+16]
+ cmpw ax, r12
+ bc $.L1
+ bnz $.L2
+
+ movw ax, [sp+14]
+ cmpw ax, r10
+ bc $.L1
+ bnz $.L2
+
+ movw ax, [sp+12]
+ cmpw ax, r8
+ bc $.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 ___umindi3