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authorAleksandar Markovic <aleksandar.markovic@mips.com>2017-11-02 12:14:01 +0100
committerRalf Baechle <ralf@linux-mips.org>2017-12-12 17:20:19 +0100
commit999eae9bf61d379b22f460b31f76b4a03f40bb22 (patch)
tree774c62ee8de884ad42f4f8fe85ea91e499c72384 /arch/mips/math-emu
parentMIPS: math-emu: Remove an unnecessary header inclusion (diff)
downloadlinux-999eae9bf61d379b22f460b31f76b4a03f40bb22.tar.xz
linux-999eae9bf61d379b22f460b31f76b4a03f40bb22.zip
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>
Diffstat (limited to 'arch/mips/math-emu')
-rw-r--r--arch/mips/math-emu/dp_maddf.c3
-rw-r--r--arch/mips/math-emu/dp_mul.c3
-rw-r--r--arch/mips/math-emu/ieee754dp.h3
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 7ad79ed411f5..28b90fd3e093 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 60c8bfe40947..7bc5dde8e746 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 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--; }