From 999eae9bf61d379b22f460b31f76b4a03f40bb22 Mon Sep 17 00:00:00 2001
From: Aleksandar Markovic <aleksandar.markovic@mips.com>
Date: Thu, 2 Nov 2017 12:14:01 +0100
Subject: MIPS: math-emu: Avoid definition duplication for macro DPXMULT()

Avoid duplicate definition of macro DPXMULT(). Move its definition
to a header.

Signed-off-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
Cc: Douglas Leung <douglas.leung@mips.com>
Cc: Goran Ferenc <goran.ferenc@mips.com>
Cc: James Hogan <james.hogan@mips.com>
Cc: Miodrag Dinic <miodrag.dinic@mips.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Petar Jovanovic <petar.jovanovic@mips.com>
Cc: Raghu Gandham <raghu.gandham@mips.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17584/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/math-emu/ieee754dp.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/mips/math-emu/ieee754dp.h')

diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index 9ba023004eb6..a56707b75282 100644
--- a/arch/mips/math-emu/ieee754dp.h
+++ b/arch/mips/math-emu/ieee754dp.h
@@ -55,6 +55,9 @@ static inline int ieee754dp_finite(union ieee754dp x)
 #define XDPSRS1(v)	\
 	(((v) >> 1) | ((v) & 1))
 
+/* 32bit * 32bit => 64bit unsigned integer multiplication */
+#define DPXMULT(x, y)	((u64)(x) * (u64)y)
+
 /* convert denormal to normalized with extended exponent */
 #define DPDNORMx(m,e) \
 	while ((m >> DP_FBITS) == 0) { m <<= 1; e--; }
-- 
cgit