[PATCH v2 02/10] Initial TI PRU libgcc port
Dimitar Dimitrov
dimitar@dinux.eu
Sat Jul 28 13:46:00 GMT 2018
The floating point support has been borrowed from C6X libgcc port
to help with TI PRU toolchain ABI compatibility.
libgcc/ChangeLog:
2018-07-27 Dimitar Dimitrov <dimitar@dinux.eu>
* config.host: Add PRU target.
* config/pru/asri.c: New file.
* config/pru/eqd.c: New file.
* config/pru/eqf.c: New file.
* config/pru/ged.c: New file.
* config/pru/gef.c: New file.
* config/pru/gtd.c: New file.
* config/pru/gtf.c: New file.
* config/pru/led.c: New file.
* config/pru/lef.c: New file.
* config/pru/lib2bitcountHI.c: New file.
* config/pru/lib2divHI.c: New file.
* config/pru/lib2divQI.c: New file.
* config/pru/lib2divSI.c: New file.
* config/pru/libgcc-eabi.ver: New file.
* config/pru/ltd.c: New file.
* config/pru/ltf.c: New file.
* config/pru/mpyll.S: New file.
* config/pru/pru-abi.h: New file.
* config/pru/pru-asm.h: New file.
* config/pru/pru-divmod.h: New file.
* config/pru/sfp-machine.h: New file.
* config/pru/t-pru: New file.
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
---
libgcc/config.host | 7 +++
libgcc/config/pru/asri.c | 33 ++++++++++
libgcc/config/pru/eqd.c | 45 +++++++++++++
libgcc/config/pru/eqf.c | 45 +++++++++++++
libgcc/config/pru/ged.c | 45 +++++++++++++
libgcc/config/pru/gef.c | 45 +++++++++++++
libgcc/config/pru/gtd.c | 45 +++++++++++++
libgcc/config/pru/gtf.c | 45 +++++++++++++
libgcc/config/pru/led.c | 45 +++++++++++++
libgcc/config/pru/lef.c | 45 +++++++++++++
libgcc/config/pru/lib2bitcountHI.c | 43 +++++++++++++
libgcc/config/pru/lib2divHI.c | 42 +++++++++++++
libgcc/config/pru/lib2divQI.c | 42 +++++++++++++
libgcc/config/pru/lib2divSI.c | 48 ++++++++++++++
libgcc/config/pru/libgcc-eabi.ver | 88 ++++++++++++++++++++++++++
libgcc/config/pru/ltd.c | 45 +++++++++++++
libgcc/config/pru/ltf.c | 45 +++++++++++++
libgcc/config/pru/mpyll.S | 57 +++++++++++++++++
libgcc/config/pru/pru-abi.h | 109 ++++++++++++++++++++++++++++++++
libgcc/config/pru/pru-asm.h | 35 +++++++++++
libgcc/config/pru/pru-divmod.h | 117 ++++++++++++++++++++++++++++++++++
libgcc/config/pru/sfp-machine.h | 125 +++++++++++++++++++++++++++++++++++++
libgcc/config/pru/t-pru | 50 +++++++++++++++
23 files changed, 1246 insertions(+)
create mode 100644 libgcc/config/pru/asri.c
create mode 100644 libgcc/config/pru/eqd.c
create mode 100644 libgcc/config/pru/eqf.c
create mode 100644 libgcc/config/pru/ged.c
create mode 100644 libgcc/config/pru/gef.c
create mode 100644 libgcc/config/pru/gtd.c
create mode 100644 libgcc/config/pru/gtf.c
create mode 100644 libgcc/config/pru/led.c
create mode 100644 libgcc/config/pru/lef.c
create mode 100644 libgcc/config/pru/lib2bitcountHI.c
create mode 100644 libgcc/config/pru/lib2divHI.c
create mode 100644 libgcc/config/pru/lib2divQI.c
create mode 100644 libgcc/config/pru/lib2divSI.c
create mode 100644 libgcc/config/pru/libgcc-eabi.ver
create mode 100644 libgcc/config/pru/ltd.c
create mode 100644 libgcc/config/pru/ltf.c
create mode 100644 libgcc/config/pru/mpyll.S
create mode 100644 libgcc/config/pru/pru-abi.h
create mode 100644 libgcc/config/pru/pru-asm.h
create mode 100644 libgcc/config/pru/pru-divmod.h
create mode 100644 libgcc/config/pru/sfp-machine.h
create mode 100644 libgcc/config/pru/t-pru
diff --git a/libgcc/config.host b/libgcc/config.host
index 18cabaf24f6..ff229c38f0c 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -165,6 +165,9 @@ nios2*-*-*)
powerpc*-*-*)
cpu_type=rs6000
;;
+pru-*-*)
+ cpu_type=pru
+ ;;
rs6000*-*-*)
;;
riscv*-*-*)
@@ -1145,6 +1148,10 @@ powerpcle-*-eabi*)
tmake_file="${tmake_file} rs6000/t-ppccomm rs6000/t-crtstuff t-crtstuff-pic t-fdpbit"
extra_parts="$extra_parts crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o ecrti.o ecrtn.o ncrti.o ncrtn.o"
;;
+pru-*-*)
+ tmake_file="${tmake_file} t-softfp-sfdf t-softfp-excl t-softfp t-gnu-prefix pru/t-pru"
+ tm_file="$tm_file pru/pru-abi.h"
+ ;;
riscv*-*-linux*)
tmake_file="${tmake_file} riscv/t-softfp${host_address} t-softfp riscv/t-elf riscv/t-elf${host_address}"
extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o crtendS.o crtbeginT.o"
diff --git a/libgcc/config/pru/asri.c b/libgcc/config/pru/asri.c
new file mode 100644
index 00000000000..591d660f227
--- /dev/null
+++ b/libgcc/config/pru/asri.c
@@ -0,0 +1,33 @@
+/* PRU ABI compatibility functions
+ Arithmetic right shift
+ Copyright (C) 2017-2018 Free Software Foundation, Inc.
+ Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+int __pruabi_asri(int a, unsigned char shift)
+{
+ /* GCC has a built-in op. */
+ return a >> shift;
+}
diff --git a/libgcc/config/pru/eqd.c b/libgcc/config/pru/eqd.c
new file mode 100644
index 00000000000..cce5c9ec119
--- /dev/null
+++ b/libgcc/config/pru/eqd.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a == b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/double.h>
+
+CMPtype __pruabi_eqd(DFtype a, DFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_EQ_D(r, A, B, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return !r;
+}
diff --git a/libgcc/config/pru/eqf.c b/libgcc/config/pru/eqf.c
new file mode 100644
index 00000000000..701b54e06ba
--- /dev/null
+++ b/libgcc/config/pru/eqf.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a == b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/single.h>
+
+CMPtype __pruabi_eqf(SFtype a, SFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_EQ_S(r, A, B, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return !r;
+}
diff --git a/libgcc/config/pru/ged.c b/libgcc/config/pru/ged.c
new file mode 100644
index 00000000000..91b84ea2639
--- /dev/null
+++ b/libgcc/config/pru/ged.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a >= b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/double.h>
+
+CMPtype __pruabi_ged(DFtype a, DFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_D(r, A, B, -2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r >= 0;
+}
diff --git a/libgcc/config/pru/gef.c b/libgcc/config/pru/gef.c
new file mode 100644
index 00000000000..042786a459d
--- /dev/null
+++ b/libgcc/config/pru/gef.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a >= b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/single.h>
+
+CMPtype __pruabi_gef(SFtype a, SFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_S(r, A, B, -2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r >= 0;
+}
diff --git a/libgcc/config/pru/gtd.c b/libgcc/config/pru/gtd.c
new file mode 100644
index 00000000000..3f536254dde
--- /dev/null
+++ b/libgcc/config/pru/gtd.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a > b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/double.h>
+
+CMPtype __pruabi_gtd(DFtype a, DFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_D(r, A, B, -2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r > 0;
+}
diff --git a/libgcc/config/pru/gtf.c b/libgcc/config/pru/gtf.c
new file mode 100644
index 00000000000..ae5b734fbbb
--- /dev/null
+++ b/libgcc/config/pru/gtf.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a > b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/single.h>
+
+CMPtype __pruabi_gtf(SFtype a, SFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_S(r, A, B, -2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r > 0;
+}
diff --git a/libgcc/config/pru/led.c b/libgcc/config/pru/led.c
new file mode 100644
index 00000000000..d7d1a51ddc3
--- /dev/null
+++ b/libgcc/config/pru/led.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a <= b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/double.h>
+
+CMPtype __pruabi_led(DFtype a, DFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_D(r, A, B, 2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r <= 0;
+}
diff --git a/libgcc/config/pru/lef.c b/libgcc/config/pru/lef.c
new file mode 100644
index 00000000000..b50e624f62f
--- /dev/null
+++ b/libgcc/config/pru/lef.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a <= b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/single.h>
+
+CMPtype __pruabi_lef(SFtype a, SFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_S(r, A, B, 2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r <= 0;
+}
diff --git a/libgcc/config/pru/lib2bitcountHI.c b/libgcc/config/pru/lib2bitcountHI.c
new file mode 100644
index 00000000000..7f07069152a
--- /dev/null
+++ b/libgcc/config/pru/lib2bitcountHI.c
@@ -0,0 +1,43 @@
+/* libgcc routines for PRU
+ Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Based on lib2bitcountHI.c from MSP430 port.
+
+ 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.
+
+ 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/>. */
+
+typedef int sint32_type __attribute__ ((mode (SI)));
+typedef unsigned int uint32_type __attribute__ ((mode (SI)));
+typedef int sint16_type __attribute__ ((mode (HI)));
+typedef unsigned int uint16_type __attribute__ ((mode (HI)));
+typedef int sint08_type __attribute__ ((mode (QI)));
+typedef unsigned int uint08_type __attribute__ ((mode (QI)));
+typedef int word_type __attribute__ ((mode (__word__)));
+
+#define C3B(a,b,c) a##b##c
+#define C3(a,b,c) C3B(a,b,c)
+
+#define L_clzsi2
+#define L_ctzsi2
+#define L_ffssi2
+#define L_paritysi2
+#define L_popcountsi2
+
+#include "libgcc2.c"
diff --git a/libgcc/config/pru/lib2divHI.c b/libgcc/config/pru/lib2divHI.c
new file mode 100644
index 00000000000..ae99db718f0
--- /dev/null
+++ b/libgcc/config/pru/lib2divHI.c
@@ -0,0 +1,42 @@
+/* HI mode divide routines for libgcc for PRU
+ Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Based on lib2divHI.c from MSP430 port.
+
+ 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.
+
+ 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/>. */
+
+typedef int sint32_type __attribute__ ((mode (SI)));
+typedef unsigned int uint32_type __attribute__ ((mode (SI)));
+typedef int sint16_type __attribute__ ((mode (HI)));
+typedef unsigned int uint16_type __attribute__ ((mode (HI)));
+typedef int sint08_type __attribute__ ((mode (QI)));
+typedef unsigned int uint08_type __attribute__ ((mode (QI)));
+typedef int word_type __attribute__ ((mode (__word__)));
+
+#define C3B(a,b,c) a##b##c
+#define C3(a,b,c) C3B(a,b,c)
+
+#define UINT_TYPE uint16_type
+#define SINT_TYPE sint16_type
+#define BITS_MINUS_1 15
+#define NAME_MODE hi
+
+#include "pru-divmod.h"
diff --git a/libgcc/config/pru/lib2divQI.c b/libgcc/config/pru/lib2divQI.c
new file mode 100644
index 00000000000..b271d483dcb
--- /dev/null
+++ b/libgcc/config/pru/lib2divQI.c
@@ -0,0 +1,42 @@
+/* QI mode divide routines for libgcc for PRU
+ Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Based on lib2divQI.c from MSP430 port.
+
+ 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.
+
+ 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/>. */
+
+typedef int sint32_type __attribute__ ((mode (SI)));
+typedef unsigned int uint32_type __attribute__ ((mode (SI)));
+typedef int sint16_type __attribute__ ((mode (HI)));
+typedef unsigned int uint16_type __attribute__ ((mode (HI)));
+typedef int sint08_type __attribute__ ((mode (QI)));
+typedef unsigned int uint08_type __attribute__ ((mode (QI)));
+typedef int word_type __attribute__ ((mode (__word__)));
+
+#define C3B(a,b,c) a##b##c
+#define C3(a,b,c) C3B(a,b,c)
+
+#define UINT_TYPE uint08_type
+#define SINT_TYPE sint08_type
+#define BITS_MINUS_1 7
+#define NAME_MODE qi
+
+#include "pru-divmod.h"
diff --git a/libgcc/config/pru/lib2divSI.c b/libgcc/config/pru/lib2divSI.c
new file mode 100644
index 00000000000..6b49649a62d
--- /dev/null
+++ b/libgcc/config/pru/lib2divSI.c
@@ -0,0 +1,48 @@
+/* SI mode divide routines for libgcc for PRU
+ Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Based on lib2divSI.c from MSP430 port.
+
+ 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.
+
+ 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/>. */
+
+typedef int sint32_type __attribute__ ((mode (SI)));
+typedef unsigned int uint32_type __attribute__ ((mode (SI)));
+typedef int sint16_type __attribute__ ((mode (HI)));
+typedef unsigned int uint16_type __attribute__ ((mode (HI)));
+typedef int sint08_type __attribute__ ((mode (QI)));
+typedef unsigned int uint08_type __attribute__ ((mode (QI)));
+typedef int word_type __attribute__ ((mode (__word__)));
+
+#define C3B(a,b,c) a##b##c
+#define C3(a,b,c) C3B(a,b,c)
+
+/* PRU ABI dictates the library function names. */
+#define __gnu_divsi3 __pruabi_divi
+#define __gnu_modsi3 __pruabi_remi
+#define __gnu_udivsi3 __pruabi_divu
+#define __gnu_umodsi3 __pruabi_remu
+
+#define UINT_TYPE uint32_type
+#define SINT_TYPE sint32_type
+#define BITS_MINUS_1 31
+#define NAME_MODE si
+
+#include "pru-divmod.h"
diff --git a/libgcc/config/pru/libgcc-eabi.ver b/libgcc/config/pru/libgcc-eabi.ver
new file mode 100644
index 00000000000..969d35fe18c
--- /dev/null
+++ b/libgcc/config/pru/libgcc-eabi.ver
@@ -0,0 +1,88 @@
+# Copyright (C) 2017-2018 Free Software Foundation, Inc.
+#
+# 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/>.
+
+GCC_9.0.0 {
+ __pruabi_asri
+ __pruabi_asrll
+ __pruabi_mpyll
+ __pruabi_negll
+ __pruabi_lslll
+ __pruabi_lsrll
+ __pruabi_fixfu
+ __pruabi_fixdu
+ __pruabi_fixflli
+ __pruabi_fixdlli
+ __pruabi_fixfull
+ __pruabi_fixdull
+ __pruabi_fltllif
+ __pruabi_fltllid
+ __pruabi_fltullf
+ __pruabi_fltulld
+ __pruabi_divlli
+ __pruabi_remlli
+ __pruabi_divull
+ __pruabi_remull
+ __pruabi_divremull
+ __pruabi_gef
+ __pruabi_gtf
+ __pruabi_lef
+ __pruabi_ltf
+ __pruabi_eqf
+ __pruabi_ged
+ __pruabi_gtd
+ __pruabi_led
+ __pruabi_ltd
+ __pruabi_eqd
+ __pruabi_addf
+ __pruabi_divf
+ __pruabi_neqf
+ __pruabi_cmpf
+ __pruabi_mpyf
+ __pruabi_negf
+ __pruabi_subf
+ __pruabi_unordf
+ __pruabi_fixfi
+ __pruabi_fltif
+ __pruabi_fltuf
+ __pruabi_addd
+ __pruabi_divd
+ __pruabi_neqd
+ __pruabi_cmpd
+ __pruabi_mpyd
+ __pruabi_negd
+ __pruabi_subd
+ __pruabi_unordd
+ __pruabi_fixdi
+ __pruabi_fltid
+ __pruabi_fltud
+ __pruabi_cvtfd
+ __pruabi_cvtdf
+ __pruabi_mulcf
+ __pruabi_mulcd
+ __pruabi_divcf
+ __pruabi_divcd
+
+ __gnu_ltsf2
+ __gnu_ltdf2
+ __gnu_gesf2
+ __gnu_gedf2
+ __gnu_gtsf2
+ __gnu_gtdf2
+ __gnu_eqsf2
+ __gnu_eqdf2
+}
diff --git a/libgcc/config/pru/ltd.c b/libgcc/config/pru/ltd.c
new file mode 100644
index 00000000000..7be20686e1a
--- /dev/null
+++ b/libgcc/config/pru/ltd.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a < b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/double.h>
+
+CMPtype __pruabi_ltd(DFtype a, DFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_D(r, A, B, 2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r < 0;
+}
diff --git a/libgcc/config/pru/ltf.c b/libgcc/config/pru/ltf.c
new file mode 100644
index 00000000000..7b81dbd2ca1
--- /dev/null
+++ b/libgcc/config/pru/ltf.c
@@ -0,0 +1,45 @@
+/* Software floating-point emulation.
+ Return 1 iff a < b, 0 otherwise.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ This file is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/single.h>
+
+CMPtype __pruabi_ltf(SFtype a, SFtype b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ CMPtype r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_S(r, A, B, 2, 2);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r < 0;
+}
diff --git a/libgcc/config/pru/mpyll.S b/libgcc/config/pru/mpyll.S
new file mode 100644
index 00000000000..d384b54515a
--- /dev/null
+++ b/libgcc/config/pru/mpyll.S
@@ -0,0 +1,57 @@
+/* Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
+
+ 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/>.
+
+ (al + C * ah) * (bl + C * bh) = al * bl
+ + C * ah * bl
+ + C * al * bh
+ + C * C * ah * bh -> discard, overflow
+ Where C=(1 << 32)
+ */
+
+#include "pru-asm.h"
+
+ .global SYM(__pruabi_mpyll)
+ FUNC(__pruabi_mpyll)
+SYM(__pruabi_mpyll):
+ /* + C * ah * bl */
+ mov r28, r15
+ mov r29, r16
+ nop
+ xin 0, r26, 8
+
+ /* + C * al * bh */
+ mov r28, r14
+ mov r29, r17
+ mov r15, r26 /* "Loose" ah, record only reslo. */
+ xin 0, r26, 8
+
+ /* + al * bl */
+ /* mov r28, r14 -> No need, already loaded. */
+ mov r29, r16
+ add r15, r15, r26
+ xin 0, r26, 8
+ mov r14, r26
+ add r15, r15, r27
+
+ ret
+
+ ENDFUNC(__pruabi_mpyll)
diff --git a/libgcc/config/pru/pru-abi.h b/libgcc/config/pru/pru-abi.h
new file mode 100644
index 00000000000..79d7be76a5d
--- /dev/null
+++ b/libgcc/config/pru/pru-abi.h
@@ -0,0 +1,109 @@
+/* Header file for PRU ABI versions of libgcc functions.
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
+ Based on c6x/c6x-abi.h
+
+ 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.
+
+ 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
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
+
+/* Make __pruabi_AEABI_NAME an alias for __GCC_NAME. */
+#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \
+ __asm__ (".globl\t__pruabi_" #AEABI_NAME "\n" \
+ ".set\t__pruabi_" #AEABI_NAME \
+ ", __gnu_" #GCC_NAME "\n");
+
+/* Rename helper functions to the names specified in the PRU ELF ABI. */
+#ifdef L_divsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (divsi3, divi)
+#endif
+#ifdef L_divdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (divdi3, divlli)
+#endif
+#ifdef L_udivsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (udivsi3, divu)
+#endif
+#ifdef L_udivdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (udivdi3, divull)
+#endif
+#ifdef L_udivmoddi4
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (udivmoddi4, divremull)
+#endif
+#ifdef L_modsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (modsi3, remi)
+#endif
+#ifdef L_moddi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (moddi3, remlli)
+#endif
+#ifdef L_umodsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (umodsi3, remu)
+#endif
+#ifdef L_umoddi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (umoddi3, remull)
+#endif
+#ifdef L_negdi2
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (negdi2, negll)
+#endif
+#ifdef L_muldi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, mpyll)
+#endif
+#ifdef L_ashrdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (ashrdi3, asrll)
+#endif
+#ifdef L_lshrdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (lshrdi3, lsrll)
+#endif
+#ifdef L_ashldi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (ashldi3, lslll)
+#endif
+
+/* The following are excluded from softfp due to softfp_exclude_libgcc2,
+ so we rename them here rather than in sfp-machine.h. */
+#ifdef L_fixdfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, fixdlli)
+#endif
+#ifdef L_fixunsdfsi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, fixdu)
+#endif
+#ifdef L_fixunsdfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, fixdull)
+#endif
+#ifdef L_fixsfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, fixflli)
+#endif
+#ifdef L_fixunssfsi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, fixfu)
+#endif
+#ifdef L_fixunssfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, fixfull)
+#endif
+#ifdef L_floatdidf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, fltllid)
+#endif
+#ifdef L_floatundidf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, fltulld)
+#endif
+#ifdef L_floatdisf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, fltllif)
+#endif
+#ifdef L_floatundisf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, fltullf)
+#endif
+
+#define LIBGCC2_GNU_PREFIX
diff --git a/libgcc/config/pru/pru-asm.h b/libgcc/config/pru/pru-asm.h
new file mode 100644
index 00000000000..28272a13937
--- /dev/null
+++ b/libgcc/config/pru/pru-asm.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
+
+ 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/>. */
+
+/* ANSI concatenation macros. */
+
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a ## b
+
+/* Use the right prefix for global labels. */
+
+#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+
+#define FUNC(X) .type SYM(X),@function
+#define HIDDEN_FUNC(X) FUNC(X)` .hidden SYM(X)
+#define ENDFUNC0(X) CONCAT1(.Lfe_,X): .size X,CONCAT1(.Lfe_,X)-X
+#define ENDFUNC(X) ENDFUNC0(SYM(X))
diff --git a/libgcc/config/pru/pru-divmod.h b/libgcc/config/pru/pru-divmod.h
new file mode 100644
index 00000000000..40577eaa956
--- /dev/null
+++ b/libgcc/config/pru/pru-divmod.h
@@ -0,0 +1,117 @@
+/* libgcc routines for PRU
+ Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Based on msp430-divmod.h from MSP430 port.
+
+ 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.
+
+ 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/>. */
+
+UINT_TYPE C3(udivmod,NAME_MODE,4) (UINT_TYPE, UINT_TYPE, word_type);
+SINT_TYPE C3(__gnu_div,NAME_MODE,3) (SINT_TYPE, SINT_TYPE);
+SINT_TYPE C3(__gnu_mod,NAME_MODE,3) (SINT_TYPE, SINT_TYPE);
+UINT_TYPE C3(__gnu_udiv,NAME_MODE,3) (UINT_TYPE, UINT_TYPE);
+UINT_TYPE C3(__gnu_umod,NAME_MODE,3) (UINT_TYPE, UINT_TYPE);
+
+UINT_TYPE
+C3(udivmod,NAME_MODE,4) (UINT_TYPE num, UINT_TYPE den, word_type modwanted)
+{
+ UINT_TYPE bit = 1;
+ UINT_TYPE res = 0;
+
+ while (den < num && bit && !(den & (1L << BITS_MINUS_1)))
+ {
+ den <<= 1;
+ bit <<= 1;
+ }
+ while (bit)
+ {
+ if (num >= den)
+ {
+ num -= den;
+ res |= bit;
+ }
+ bit >>= 1;
+ den >>= 1;
+ }
+ if (modwanted)
+ return num;
+ return res;
+}
+
+SINT_TYPE
+C3(__gnu_div,NAME_MODE,3) (SINT_TYPE a, SINT_TYPE b)
+{
+ word_type neg = 0;
+ SINT_TYPE res;
+
+ if (a < 0)
+ {
+ a = -a;
+ neg = !neg;
+ }
+
+ if (b < 0)
+ {
+ b = -b;
+ neg = !neg;
+ }
+
+ res = C3(udivmod,NAME_MODE,4) (a, b, 0);
+
+ if (neg)
+ res = -res;
+
+ return res;
+}
+
+SINT_TYPE
+C3(__gnu_mod,NAME_MODE,3) (SINT_TYPE a, SINT_TYPE b)
+{
+ word_type neg = 0;
+ SINT_TYPE res;
+
+ if (a < 0)
+ {
+ a = -a;
+ neg = 1;
+ }
+
+ if (b < 0)
+ b = -b;
+
+ res = C3(udivmod,NAME_MODE,4) (a, b, 1);
+
+ if (neg)
+ res = -res;
+
+ return res;
+}
+
+UINT_TYPE
+C3(__gnu_udiv,NAME_MODE,3) (UINT_TYPE a, UINT_TYPE b)
+{
+ return C3(udivmod,NAME_MODE,4) (a, b, 0);
+}
+
+UINT_TYPE
+C3(__gnu_umod,NAME_MODE,3) (UINT_TYPE a, UINT_TYPE b)
+{
+ return C3(udivmod,NAME_MODE,4) (a, b, 1);
+}
diff --git a/libgcc/config/pru/sfp-machine.h b/libgcc/config/pru/sfp-machine.h
new file mode 100644
index 00000000000..0079823d425
--- /dev/null
+++ b/libgcc/config/pru/sfp-machine.h
@@ -0,0 +1,125 @@
+/* Soft-FP definitions for TI PRU.
+ Copyright (C) 2010-2018 Free Software Foundation, Inc.
+ Based on C6X soft-fp header.
+
+ This files is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ In addition to the permissions in the GNU Lesser General Public
+ License, the Free Software Foundation gives you unlimited
+ permission to link the compiled version of this file into
+ combinations with other programs, and to distribute those
+ combinations without any restriction coming from the use of this
+ file. (The Lesser General Public License restrictions do apply in
+ other respects; for example, they cover modification of the file,
+ and distribution when not linked into a combine executable.)
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with GCC; see the file COPYING.LIB. If not see
+ <http://www.gnu.org/licenses/>. */
+
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_H ((_FP_QNANBIT_H << 1) - 1)
+#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
+#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+#define _FP_NANSIGN_H 0
+#define _FP_NANSIGN_S 0
+#define _FP_NANSIGN_D 0
+#define _FP_NANSIGN_Q 0
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
+
+/* Someone please check this. */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
+ && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+
+#if defined _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+/* Not checked. */
+#define _FP_TININESS_AFTER_ROUNDING 0
+
+
+/* Define ALIASNAME as a strong alias for NAME. */
+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
+# define _strong_alias(name, aliasname) \
+ extern __typeof (name) aliasname __attribute__ ((alias (#name)));
+
+/* Rename helper functions to the names specified in the PRU ELF ABI. */
+#define __fixdfsi __pruabi_fixdi
+#define __fixsfsi __pruabi_fixfi
+#define __floatsidf __pruabi_fltid
+#define __floatunsidf __pruabi_fltud
+#define __floatsisf __pruabi_fltif
+#define __floatunsisf __pruabi_fltuf
+#define __truncdfsf2 __pruabi_cvtdf
+#define __extendsfdf2 __pruabi_cvtfd
+#define __adddf3 __pruabi_addd
+#define __subdf3 __pruabi_subd
+#define __muldf3 __pruabi_mpyd
+#define __divdf3 __pruabi_divd
+#define __negdf2 __pruabi_negd
+#define __absdf2 __pruabi_absd
+#define __addsf3 __pruabi_addf
+#define __subsf3 __pruabi_subf
+#define __mulsf3 __pruabi_mpyf
+#define __divsf3 __pruabi_divf
+#define __negsf2 __pruabi_negf
+#define __abssf2 __pruabi_absf
+#define __lesf2 __pruabi_cmpf
+#define __ledf2 __pruabi_cmpd
+#define __ltsf2 __gnu_ltsf2
+#define __ltdf2 __gnu_ltdf2
+#define __gesf2 __gnu_gesf2
+#define __gedf2 __gnu_gedf2
+#define __gtsf2 __gnu_gtsf2
+#define __gtdf2 __gnu_gtdf2
+#define __eqsf2 __gnu_eqsf2
+#define __eqdf2 __gnu_eqdf2
+#define __nesf2 __pruabi_neqf
+#define __nedf2 __pruabi_neqd
+#define __unordsf2 __pruabi_unordf
+#define __unorddf2 __pruabi_unordd
diff --git a/libgcc/config/pru/t-pru b/libgcc/config/pru/t-pru
new file mode 100644
index 00000000000..35ae44f719b
--- /dev/null
+++ b/libgcc/config/pru/t-pru
@@ -0,0 +1,50 @@
+# Makefile fragment for building LIBGCC for the TI PRU processor.
+# Copyright (C) 2014-2018 Free Software Foundation, Inc.
+# Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
+#
+# 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/>.
+
+# Note - we have separate versions of the lib2div<mode> files
+# as the functions are quite large and we do not want to pull
+# in unneeded division routines.
+
+LIB2ADD += \
+ $(srcdir)/config/pru/lib2divQI.c \
+ $(srcdir)/config/pru/lib2divHI.c \
+ $(srcdir)/config/pru/lib2divSI.c \
+ $(srcdir)/config/pru/lib2bitcountHI.c \
+ $(srcdir)/config/pru/mpyll.S \
+ $(srcdir)/config/pru/gef.c \
+ $(srcdir)/config/pru/gtf.c \
+ $(srcdir)/config/pru/lef.c \
+ $(srcdir)/config/pru/ltf.c \
+ $(srcdir)/config/pru/eqf.c \
+ $(srcdir)/config/pru/ged.c \
+ $(srcdir)/config/pru/gtd.c \
+ $(srcdir)/config/pru/led.c \
+ $(srcdir)/config/pru/ltd.c \
+ $(srcdir)/config/pru/eqd.c \
+ $(srcdir)/config/pru/asri.c
+
+HOST_LIBGCC2_CFLAGS += -Os -ffunction-sections -fdata-sections
+
+LIB2FUNCS_EXCLUDE = _muldi3
+
+SHLIB_MAPFILES += $(srcdir)/config/pru/libgcc-eabi.ver
+# Local Variables:
+# mode: Makefile
+# End:
--
2.11.0
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