Add the nvptx port.

	* configure.ac: Handle nvptx-*-*.
	* configure: Regenerate.

	gcc/
	* config/nvptx/nvptx.c: New file.
	* config/nvptx/nvptx.h: New file.
	* config/nvptx/nvptx-protos.h: New file.
	* config/nvptx/nvptx.md: New file.
	* config/nvptx/t-nvptx: New file.
	* config/nvptx/nvptx.opt: New file.
	* common/config/nvptx/nvptx-common.c: New file.
	* config.gcc: Handle nvptx-*-*.

	libgcc/
	* config.host: Handle nvptx-*-*.
	* shared-object.mk (as-flags-$o): Define.
	($(base)$(objext), $(base)_s$(objext)): Use it instead of
	-xassembler-with-cpp.
	* static-object.mk: Identical changes.
	* config/nvptx/t-nvptx: New file.
	* config/nvptx/crt0.s: New file.
	* config/nvptx/free.asm: New file.
	* config/nvptx/malloc.asm: New file.
	* config/nvptx/realloc.c: New file.

From-SVN: r217295

1 files changed, 55 insertions, 0 deletions

diff --git a/libgcc/config/nvptx/malloc.asm b/libgcc/config/nvptx/malloc.asm
new file mode 100644
index 00000000000..9d9db10a9e5
--- /dev/null
+++ b/libgcc/config/nvptx/malloc.asm
@@ -0,0 +1,55 @@
+// A wrapper around malloc to enable a realloc implementation.
+
+// Copyright (C) 2014 Free Software Foundation, Inc.
+
+// 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/>.
+
+        .version        3.1
+        .target sm_30
+        .address_size 64
+
+.extern .func (.param.u64 %out_retval) malloc(.param.u64 %in_ar1);
+
+// BEGIN GLOBAL FUNCTION DEF: __nvptx_malloc
+.visible .func (.param.u64 %out_retval) __nvptx_malloc(.param.u64 %in_ar1)
+{
+        .reg.u64 %ar1;
+.reg.u64 %retval;
+        .reg.u64 %hr10;
+        .reg.u64 %r26;
+        .reg.u64 %r28;
+        .reg.u64 %r29;
+        .reg.u64 %r31;
+        ld.param.u64 %ar1, [%in_ar1];
+		mov.u64 %r26, %ar1;
+		add.u64 %r28, %r26, 8;
+        {
+		.param.u64 %retval_in;
+		.param.u64 %out_arg0;
+		st.param.u64 [%out_arg0], %r28;
+		call (%retval_in), malloc, (%out_arg0);
+		ld.param.u64    %r29, [%retval_in];
+        }
+		st.u64  [%r29], %r26;
+		add.u64 %r31, %r29, 8;
+		mov.u64 %retval, %r31;
+		st.param.u64    [%out_retval], %retval;
+		ret;
+}