i386: move math-emu

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 135 deletions

diff --git a/arch/i386/math-emu/polynom_Xsig.S b/arch/i386/math-emu/polynom_Xsig.S
deleted file mode 100644
index 17315c8..0000000
--- a/arch/i386/math-emu/polynom_Xsig.S
+++ /dev/null
@@ -1,135 +0,0 @@
-/*---------------------------------------------------------------------------+
- |  polynomial_Xsig.S                                                        |
- |                                                                           |
- | Fixed point arithmetic polynomial evaluation.                             |
- |                                                                           |
- | Copyright (C) 1992,1993,1994,1995                                         |
- |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
- |                       Australia.  E-mail billm@jacobi.maths.monash.edu.au |
- |                                                                           |
- | Call from C as:                                                           |
- |   void polynomial_Xsig(Xsig *accum, unsigned long long x,                 |
- |                        unsigned long long terms[], int n)                 |
- |                                                                           |
- | Computes:                                                                 |
- | terms[0] + (terms[1] + (terms[2] + ... + (terms[n-1]*x)*x)*x)*x) ... )*x  |
- | and adds the result to the 12 byte Xsig.                                  |
- | The terms[] are each 8 bytes, but all computation is performed to 12 byte |
- | precision.                                                                |
- |                                                                           |
- | This function must be used carefully: most overflow of intermediate       |
- | results is controlled, but overflow of the result is not.                 |
- |                                                                           |
- +---------------------------------------------------------------------------*/
-	.file	"polynomial_Xsig.S"
-
-#include "fpu_emu.h"
-
-
-#define	TERM_SIZE	$8
-#define	SUM_MS		-20(%ebp)	/* sum ms long */
-#define SUM_MIDDLE	-24(%ebp)	/* sum middle long */
-#define	SUM_LS		-28(%ebp)	/* sum ls long */
-#define	ACCUM_MS	-4(%ebp)	/* accum ms long */
-#define	ACCUM_MIDDLE	-8(%ebp)	/* accum middle long */
-#define	ACCUM_LS	-12(%ebp)	/* accum ls long */
-#define OVERFLOWED      -16(%ebp)	/* addition overflow flag */
-
-.text
-ENTRY(polynomial_Xsig)
-	pushl	%ebp
-	movl	%esp,%ebp
-	subl	$32,%esp
-	pushl	%esi
-	pushl	%edi
-	pushl	%ebx
-
-	movl	PARAM2,%esi		/* x */
-	movl	PARAM3,%edi		/* terms */
-
-	movl	TERM_SIZE,%eax
-	mull	PARAM4			/* n */
-	addl	%eax,%edi
-
-	movl	4(%edi),%edx		/* terms[n] */
-	movl	%edx,SUM_MS
-	movl	(%edi),%edx		/* terms[n] */
-	movl	%edx,SUM_MIDDLE
-	xor	%eax,%eax
-	movl	%eax,SUM_LS
-	movb	%al,OVERFLOWED
-
-	subl	TERM_SIZE,%edi
-	decl	PARAM4
-	js	L_accum_done
-
-L_accum_loop:
-	xor	%eax,%eax
-	movl	%eax,ACCUM_MS
-	movl	%eax,ACCUM_MIDDLE
-
-	movl	SUM_MIDDLE,%eax
-	mull	(%esi)			/* x ls long */
-	movl	%edx,ACCUM_LS
-
-	movl	SUM_MIDDLE,%eax
-	mull	4(%esi)			/* x ms long */
-	addl	%eax,ACCUM_LS
-	adcl	%edx,ACCUM_MIDDLE
-	adcl	$0,ACCUM_MS
-
-	movl	SUM_MS,%eax
-	mull	(%esi)			/* x ls long */
-	addl	%eax,ACCUM_LS
-	adcl	%edx,ACCUM_MIDDLE
-	adcl	$0,ACCUM_MS
-
-	movl	SUM_MS,%eax
-	mull	4(%esi)			/* x ms long */
-	addl	%eax,ACCUM_MIDDLE
-	adcl	%edx,ACCUM_MS
-
-	testb	$0xff,OVERFLOWED
-	jz	L_no_overflow
-
-	movl	(%esi),%eax
-	addl	%eax,ACCUM_MIDDLE
-	movl	4(%esi),%eax
-	adcl	%eax,ACCUM_MS		/* This could overflow too */
-
-L_no_overflow:
-
-/*
- * Now put the sum of next term and the accumulator
- * into the sum register
- */
-	movl	ACCUM_LS,%eax
-	addl	(%edi),%eax		/* term ls long */
-	movl	%eax,SUM_LS
-	movl	ACCUM_MIDDLE,%eax
-	adcl	(%edi),%eax		/* term ls long */
-	movl	%eax,SUM_MIDDLE
-	movl	ACCUM_MS,%eax
-	adcl	4(%edi),%eax		/* term ms long */
-	movl	%eax,SUM_MS
-	sbbb	%al,%al
-	movb	%al,OVERFLOWED		/* Used in the next iteration */
-
-	subl	TERM_SIZE,%edi
-	decl	PARAM4
-	jns	L_accum_loop
-
-L_accum_done:
-	movl	PARAM1,%edi		/* accum */
-	movl	SUM_LS,%eax
-	addl	%eax,(%edi)
-	movl	SUM_MIDDLE,%eax
-	adcl	%eax,4(%edi)
-	movl	SUM_MS,%eax
-	adcl	%eax,8(%edi)
-
-	popl	%ebx
-	popl	%edi
-	popl	%esi
-	leave
-	ret