From 14920f568d1d3f5fa2749fe1c0d9afeece04bf28 Mon Sep 17 00:00:00 2001 From: sebastianperta Date: Mon, 22 Jan 2018 18:17:09 +0000 Subject: [PATCH] 2018-01-22 Sebastian Perta * config/rl78/rl78.md: New define_expand "smindi3". 2018-01-22 Sebastian Perta * config/rl78/smindi3.S: New assembly file. * config/rl78/t-rl78: Added smindi3.S to LIB2ADD. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256954 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 4 +++ gcc/config/rl78/rl78.md | 10 ++++++ libgcc/ChangeLog | 5 +++ libgcc/config/rl78/smindi3.S | 76 ++++++++++++++++++++++++++++++++++++++++++++ libgcc/config/rl78/t-rl78 | 1 + 5 files changed, 96 insertions(+) create mode 100644 libgcc/config/rl78/smindi3.S diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 77cacb64982..bf8689abb9f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2018-01-22 Sebastian Perta + * config/rl78/rl78.md: New define_expand "smindi3". + +2018-01-22 Sebastian Perta + * config/rl78/rl78.md: New define_expand "smaxdi3". 2018-01-22 Carl Love diff --git a/gcc/config/rl78/rl78.md b/gcc/config/rl78/rl78.md index b456737d2d8..f3201ff53c7 100644 --- a/gcc/config/rl78/rl78.md +++ b/gcc/config/rl78/rl78.md @@ -729,6 +729,16 @@ DONE;" ) +(define_expand "smindi3" + [(set (match_operand:DI 0 "nonimmediate_operand" "") + (smin:DI (match_operand:DI 1 "general_operand" "") + (match_operand:DI 2 "general_operand" ""))) + ] + "optimize_size" + "rl78_emit_libcall (\"__smindi3\", SMIN, DImode, DImode, 3, operands); + DONE;" +) + (define_expand "smaxdi3" [(set (match_operand:DI 0 "nonimmediate_operand" "") (smax:DI (match_operand:DI 1 "general_operand" "") diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 1efdf9d32d9..574d585b8ac 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,4 +1,9 @@ 2018-01-22 Sebastian Perta + + * config/rl78/smindi3.S: New assembly file. + * config/rl78/t-rl78: Added smindi3.S to LIB2ADD. + +2018-01-22 Sebastian Perta * config/rl78/smaxdi3.S: New assembly file. * config/rl78/t-rl78: Added smaxdi3.S to LIB2ADD. diff --git a/libgcc/config/rl78/smindi3.S b/libgcc/config/rl78/smindi3.S new file mode 100644 index 00000000000..51606263442 --- /dev/null +++ b/libgcc/config/rl78/smindi3.S @@ -0,0 +1,76 @@ +; 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 +; . + + +#include "vregs.h" + + .text + +START_FUNC ___smindi3 + + ; 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 + xor1 CY, a.7 ; first compare accounts for the + xor1 CY, r15.7 ; sign bits of the two operands + 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 ___smindi3 diff --git a/libgcc/config/rl78/t-rl78 b/libgcc/config/rl78/t-rl78 index 310155d186e..71de3fa6f4f 100644 --- a/libgcc/config/rl78/t-rl78 +++ b/libgcc/config/rl78/t-rl78 @@ -34,6 +34,7 @@ LIB2ADD = \ $(srcdir)/config/rl78/adddi3.S \ $(srcdir)/config/rl78/subdi3.S \ $(srcdir)/config/rl78/umaxdi3.S \ + $(srcdir)/config/rl78/smindi3.S \ $(srcdir)/config/rl78/smaxdi3.S LIB2FUNCS_EXCLUDE = _clzhi2 _clzsi2 _ctzhi2 _ctzsi2 \ -- 2.11.4.GIT