2013-10-01 Joern Rennecke <joern.rennecke@embecosm.com>

            Brendan Kehoe  <brendan@zen.org>
            Simon Cook  <simon.cook@embecosm.com>

        * config.host (arc*-*-elf*, arc*-*-linux-uclibc*): New configurations.
        * config/arc: New directory.
        * longlong.h [__arc__] (umul_ppmm): Remove.
        [__arc__] (__umulsidi3): Define.
        [__arc__ && __ARC_NORM__] (count_leading_zeroes): Define.
        [__arc__ && __ARC_NORM__] (COUNT_LEADING_ZEROS_0): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203073 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 63 insertions, 0 deletions

diff --git a/libgcc/config/arc/ieee-754/orddf2.S b/libgcc/config/arc/ieee-754/orddf2.S
new file mode 100644
index 00000000000..041159f49b9
--- /dev/null
+++ b/libgcc/config/arc/ieee-754/orddf2.S
@@ -0,0 +1,63 @@
+/* Copyright (C) 2008-2012 Free Software Foundation, Inc.  
+   Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
+		on behalf of Synopsys 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.
+
+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 "arc-ieee-754.h"
+/* inputs: r0, r1
+   output: c flag
+   clobber: r12, flags
+   For NaNs, bit 19 .. bit 30 must be set.  */
+#if 0 /* DEBUG */
+	.global __orddf2
+	.balign 4
+	FUNC(__orddf2)
+__orddf2:
+	st.a r11,[sp,-4]` push_s blink` st.a r10,[sp,-4]` st.a r9,[sp,-4]
+	st.a r8,[sp,-4]` st.a r7,[sp,-4]` st.a r6,[sp,-4]` st.a r5,[sp,-4]
+	st.a r4,[sp,-4]` push_s r3` push_s r2` push_s r1`
+	bl.d __unorddf2_c` push_s r0
+	mov r11,r0` pop_s r0` pop_s r1` pop_s r2` pop_s r3
+	ld.ab r4,[sp,4]` ld.ab r5,[sp,4]` ld.ab r6,[sp,4]`
+	ld.ab r7,[sp,4]` ld.ab r8,[sp,4]` ld.ab r9,[sp,4]
+	bl.d __orddf2_asm` ld.ab r10,[sp,4]
+	pop_s blink
+	brne.d r11,0,0f
+	ld.ab r11,[sp,4]
+	jcc [blink]
+	bl abort
+0:	jcs [blink]
+	bl abort
+	ENDFUNC(__orddf2)
+#define __orddf2 __orddf2_asm
+#endif /* DEBUG */
+	.global __orddf2
+	.balign 4
+	HIDDEN_FUNC(__orddf2)
+__orddf2:
+	bmsk r12,DBL0H,20
+	add1.f	r12,r12,DBL0H /* clear z; set c if NaN.  */
+	bmsk r12,DBL1H,20
+	j_s.d	[blink]
+	add1.cc.f r12,r12,DBL1H /* clear z; set c if NaN.  */
+	ENDFUNC(__orddf2)