From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001
From: Ben Cheng <bccheng@google.com>
Date: Tue, 25 Mar 2014 22:37:19 -0700
Subject: Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
---
 gcc-4.9/libgcc/config/vax/lib1funcs.S | 92 +++++++++++++++++++++++++++++++++++
 gcc-4.9/libgcc/config/vax/t-linux     |  2 +
 2 files changed, 94 insertions(+)
 create mode 100644 gcc-4.9/libgcc/config/vax/lib1funcs.S
 create mode 100644 gcc-4.9/libgcc/config/vax/t-linux

(limited to 'gcc-4.9/libgcc/config/vax')

diff --git a/gcc-4.9/libgcc/config/vax/lib1funcs.S b/gcc-4.9/libgcc/config/vax/lib1funcs.S
new file mode 100644
index 000000000..70faf22e7
--- /dev/null
+++ b/gcc-4.9/libgcc/config/vax/lib1funcs.S
@@ -0,0 +1,92 @@
+/* Copyright (C) 2009-2014 Free Software Foundation, Inc.
+   This file is part of GCC.
+   Contributed by Maciej W. Rozycki <macro@linux-mips.org>.
+
+   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/>.  */
+
+#ifdef L_udivsi3
+	.text
+	.globl	__udivsi3
+	.type	__udivsi3, @function
+__udivsi3:
+	.word	0
+	movl	8(%ap), %r1
+	blss	0f			/* Check bit #31 of divisor.  */
+	movl	4(%ap), %r2
+	blss	1f			/* Check bit #31 of dividend.  */
+
+	/* Both zero, do a standard division.  */
+
+	divl3	%r1, %r2, %r0
+	ret
+
+	/* MSB of divisor set, only 1 or 0 may result.  */
+0:
+	decl	%r1
+	clrl	%r0
+	cmpl	%r1, 4(%ap)
+	adwc	$0, %r0
+	ret
+
+	/* MSB of dividend set, do an extended division.  */
+1:
+	clrl	%r3
+	ediv	%r1, %r2, %r0, %r3
+	ret
+	.size	__udivsi3, . - __udivsi3
+	.previous
+#endif
+
+#ifdef L_umodsi3
+	.text
+	.globl	__umodsi3
+	.type	__umodsi3, @function
+__umodsi3:
+	.word	0
+	movl	8(%ap), %r1
+	blss	0f			/* Check bit #31 of divisor.  */
+	movl	4(%ap), %r2
+	blss	1f			/* Check bit #31 of dividend.  */
+
+	/* Both zero, do a standard division.  */
+
+	divl3	%r1, %r2, %r0
+	mull2	%r0, %r1
+	subl3	%r1, %r2, %r0
+	ret
+
+	/* MSB of divisor set, subtract the divisor at most once.  */
+0:
+	movl	4(%ap), %r2
+	clrl	%r0
+	cmpl	%r2, %r1
+	sbwc	$0, %r0
+	bicl2	%r0, %r1
+	subl3	%r1, %r2, %r0
+	ret
+
+	/* MSB of dividend set, do an extended division.  */
+1:
+	clrl	%r3
+	ediv	%r1, %r2, %r3, %r0
+	ret
+	.size	__umodsi3, . - __umodsi3
+	.previous
+#endif
diff --git a/gcc-4.9/libgcc/config/vax/t-linux b/gcc-4.9/libgcc/config/vax/t-linux
new file mode 100644
index 000000000..17929c871
--- /dev/null
+++ b/gcc-4.9/libgcc/config/vax/t-linux
@@ -0,0 +1,2 @@
+LIB1ASMSRC = vax/lib1funcs.S
+LIB1ASMFUNCS = _udivsi3 _umodsi3
-- 
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