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authorAleksandar Markovic <aleksandar.markovic@mips.com>2017-11-02 12:14:04 +0100
committerRalf Baechle <ralf@linux-mips.org>2017-12-12 17:20:20 +0100
commit61100500a15aed732f363cf19c5206bcd30f4754 (patch)
treed7aa7b21303403c55d21a62ca498ffb7b1f32b31 /arch/mips/math-emu
parent8904d5b1a31febe0ced1f56aa347e761668af571 (diff)
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MIPS: math-emu: Avoid multiple assignment
Replace several instances of multiple assignment with individual assignments. 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: Maciej W. Rozycki <macro@mips.com> Cc: Manuel Lauss <manuel.lauss@gmail.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/17587/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu')
-rw-r--r--arch/mips/math-emu/cp1emu.c3
-rw-r--r--arch/mips/math-emu/dp_sqrt.c6
-rw-r--r--arch/mips/math-emu/sp_sqrt.c3
3 files changed, 8 insertions, 4 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 9e5c8806e43a..fe74973a0a29 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1190,7 +1190,8 @@ emul:
if (!cpu_has_mips_r6 || delay_slot(xcp))
return SIGILL;
- cond = likely = 0;
+ likely = 0;
+ cond = 0;
fpr = &current->thread.fpu.fpr[MIPSInst_RT(ir)];
bit0 = get_fpr32(fpr, 0) & 0x1;
switch (MIPSInst_RS(ir)) {
diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
index cea907b83146..fa39eb84ba8b 100644
--- a/arch/mips/math-emu/dp_sqrt.c
+++ b/arch/mips/math-emu/dp_sqrt.c
@@ -91,7 +91,8 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
scalx -= 256;
}
- y = x = builddp(0, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
+ x = builddp(0, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
+ y = x;
/* magic initial approximation to almost 8 sig. bits */
yh = y.bits >> 32;
@@ -108,7 +109,8 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
/* triple to almost 56 sig. bits: y ~= sqrt(x) to within 1 ulp */
/* t=y*y; z=t; pt[n0]+=0x00100000; t+=z; z=(x-z)*y; */
- z = t = ieee754dp_mul(y, y);
+ t = ieee754dp_mul(y, y);
+ z = t;
t.bexp += 0x001;
t = ieee754dp_add(t, z);
z = ieee754dp_mul(ieee754dp_sub(x, z), y);
diff --git a/arch/mips/math-emu/sp_sqrt.c b/arch/mips/math-emu/sp_sqrt.c
index 67059c33a250..9cc83f012342 100644
--- a/arch/mips/math-emu/sp_sqrt.c
+++ b/arch/mips/math-emu/sp_sqrt.c
@@ -82,7 +82,8 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x)
/* generate sqrt(x) bit by bit */
ix += ix;
- q = s = 0; /* q = sqrt(x) */
+ s = 0;
+ q = 0; /* q = sqrt(x) */
r = 0x01000000; /* r = moving bit from right to left */
while (r != 0) {