Commit 61100500 authored by Aleksandar Markovic's avatar Aleksandar Markovic Committed by Ralf Baechle
Browse files

MIPS: math-emu: Avoid multiple assignment 



Replace several instances of multiple assignment with individual
assignments.

Signed-off-by: default avatarAleksandar 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: default avatarRalf Baechle <ralf@linux-mips.org>
parent 8904d5b1

arch/mips/math-emu/cp1emu.c

+2 −1
Original line number Diff line number Diff line
@@ -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)) {

arch/mips/math-emu/dp_sqrt.c

+4 −2
Original line number Diff line number Diff line
@@ -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);

arch/mips/math-emu/sp_sqrt.c

+2 −1
Original line number Diff line number Diff line
@@ -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) {

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