linux-kernel - [PATCH v3 4/8] MIPS: math-emu: Avoid definition duplication for macro DPXMULT()

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Message-Id: <1509621287-32198-5-git-send-email-aleksandar.markovic@rt-rk.com>
Date:   Thu,  2 Nov 2017 12:14:01 +0100
From:   Aleksandar Markovic <aleksandar.markovic@...rk.com>
To:     linux-mips@...ux-mips.org
Cc:     Aleksandar Markovic <aleksandar.markovic@...s.com>,
        Douglas Leung <douglas.leung@...tec.com>,
        Douglas Leung <douglas.leung@...s.com>,
        Goran Ferenc <goran.ferenc@...tec.com>,
        Goran Ferenc <goran.ferenc@...s.com>,
        James Hogan <james.hogan@...s.com>,
        linux-kernel@...r.kernel.org,
        Miodrag Dinic <miodrag.dinic@...tec.com>,
        Miodrag Dinic <miodrag.dinic@...s.com>,
        Paul Burton <paul.burton@...s.com>,
        Petar Jovanovic <petar.jovanovic@...s.com>,
        Raghu Gandham <raghu.gandham@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH v3 4/8] MIPS: math-emu: Avoid definition duplication for macro DPXMULT()

From: Aleksandar Markovic <aleksandar.markovic@...s.com>

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

Signed-off-by: Aleksandar Markovic <aleksandar.markovic@...s.com>
---
 arch/mips/math-emu/dp_maddf.c  | 3 ---
 arch/mips/math-emu/dp_mul.c    | 3 ---
 arch/mips/math-emu/ieee754dp.h | 3 +++
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c
index 7ad79ed..28b90fd 100644
--- a/arch/mips/math-emu/dp_maddf.c
+++ b/arch/mips/math-emu/dp_maddf.c
@@ -201,9 +201,6 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
 	 * Multiply 64 bits xm and ym to give 128 bits result in hrm:lrm.
 	 */
 
-	/* 32 * 32 => 64 */
-#define DPXMULT(x, y)	((u64)(x) * (u64)y)
-
 	lxm = xm;
 	hxm = xm >> 32;
 	lym = ym;
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index 60c8bfe..7bc5dde 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -128,9 +128,6 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
 	 * Multiply 64 bits xm, ym to give high 64 bits rm with stickness.
 	 */
 
-	/* 32 * 32 => 64 */
-#define DPXMULT(x, y)	((u64)(x) * (u64)y)
-
 	lxm = xm;
 	hxm = xm >> 32;
 	lym = ym;
diff --git a/arch/mips/math-emu/ieee754dp.h b/arch/mips/math-emu/ieee754dp.h
index 9ba0230..a56707b 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--; }
-- 
2.7.4