From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/metag/lib/modsi3.S | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 arch/metag/lib/modsi3.S

(limited to 'arch/metag/lib/modsi3.S')

diff --git a/arch/metag/lib/modsi3.S b/arch/metag/lib/modsi3.S
new file mode 100644
index 000000000..210cfa856
--- /dev/null
+++ b/arch/metag/lib/modsi3.S
@@ -0,0 +1,38 @@
+! Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+!               Imagination Technologies Ltd
+!
+! Integer modulus routines.
+!
+!!
+!! 32-bit modulus unsigned i/p - passed unsigned 32-bit numbers
+!!
+	.text
+	.global ___umodsi3
+	.type   ___umodsi3,function
+	.align  2
+___umodsi3:
+	MOV     D0FrT,D1RtP             ! Save original return address
+	CALLR   D1RtP,___udivsi3
+	MOV     D1RtP,D0FrT             ! Recover return address
+	MOV     D0Re0,D1Ar1             ! Return remainder
+	MOV     PC,D1RtP
+	.size   ___umodsi3,.-___umodsi3
+
+!!
+!! 32-bit modulus signed i/p - passed signed 32-bit numbers
+!!
+	.global ___modsi3
+	.type   ___modsi3,function
+	.align  2
+___modsi3:
+	MOV     D0FrT,D1RtP             ! Save original return address
+	MOV     A0.2,D1Ar1              ! Save A in A0.2
+	CALLR   D1RtP,___divsi3
+	MOV     D1RtP,D0FrT             ! Recover return address
+	MOV     D1Re0,A0.2              ! Recover A
+	MOV     D0Re0,D1Ar1             ! Return remainder
+	ORS     D1Re0,D1Re0,D1Re0       ! Was A negative?
+	NEG     D1Ar1,D1Ar1             ! Negate remainder
+	MOVMI   D0Re0,D1Ar1             ! Return neg remainder
+	MOV     PC, D1RtP
+	.size   ___modsi3,.-___modsi3
-- 
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