Soft-FP not supported on i586 about sdk-ng HOT 2 CLOSED

From 77fda8795eab3344c50da56910bae8ac94f11d64 Mon Sep 17 00:00:00 2001
From: Kumar Gala <[email protected]>
Date: Mon, 11 Feb 2019 15:52:37 -0600
Subject: [PATCH 1/2] port over x86 multilib/soft-fp support

Signed-off-by: Kumar Gala <[email protected]>
---
 gcc/config.gcc                 |  4 ++++
 gcc/config/i386/t-zephyr       | 23 +++++++++++++++++++++++
 libgcc/config.host             |  3 +++
 libgcc/config/i386/32/t-zephyr |  1 +
 4 files changed, 31 insertions(+)
 create mode 100644 gcc/config/i386/t-zephyr
 create mode 100644 libgcc/config/i386/32/t-zephyr

diff --git a/gcc/config.gcc b/gcc/config.gcc
index cee26b531..89eec62dd 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1494,6 +1494,10 @@ x86_64-*-darwin*)
 i[34567]86-*-elfiamcu)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/iamcu.h"
 	;;
+i586-zephyr-elf)
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
+	tmake_file="${tmake_file} i386/t-zephyr"
+	;;
 i[34567]86-*-elf*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
 	;;
diff --git a/gcc/config/i386/t-zephyr b/gcc/config/i386/t-zephyr
new file mode 100644
index 000000000..52312345b
--- /dev/null
+++ b/gcc/config/i386/t-zephyr
@@ -0,0 +1,23 @@
+# Copyright (C) 2016 Intel Corporation.
+#
+# This file is part of GCC.
+#
+# GCC 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.
+#
+# GCC 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.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+#
+
+MULTILIB_OPTIONS += msoft-float
+MULTILIB_DIRNAMES += soft-float
+MULTILIB_MATCHES = msoft-float=mno-80387
+MULTILIB_EXCEPTIONS = 
diff --git a/libgcc/config.host b/libgcc/config.host
index 12b5fd076..6b9000868 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -606,6 +606,9 @@ x86_64-*-darwin*)
 i[34567]86-*-elfiamcu)
 	tmake_file="$tmake_file i386/t-crtstuff t-softfp-sfdftf i386/32/t-softfp i386/32/t-iamcu i386/t-softfp t-softfp t-dfprules"
 	;;
+i586-zephyr-elf)
+	tmake_file="$tmake_file i386/t-crtstuff t-softfp-sfdftf i386/32/t-softfp i386/32/t-zephyr i386/t-softfp t-softfp t-dfprules"
+	;;
 i[34567]86-*-elf*)
 	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
 	;;
diff --git a/libgcc/config/i386/32/t-zephyr b/libgcc/config/i386/32/t-zephyr
new file mode 100644
index 000000000..7595cdeed
--- /dev/null
+++ b/libgcc/config/i386/32/t-zephyr
@@ -0,0 +1 @@
+HOST_LIBGCC2_CFLAGS += -mlong-double-80
-- 
2.20.1