x86/math-emu/wm_sqrt.S

90 	movl	SIGH(%esi),%eax
99 	shrl	$1,%eax			/* arg is in the range  [1.0 .. 2.0) */
107 	movl	%eax,FPU_fsqrt_arg_2		/* ms word of n */
112 	shrl	$1,%eax
113 	addl	$0x40000000,%eax
143 	addl	%eax,%esi	/* the new estimate */
148 	addl	%eax,%esi
153 	addl	%eax,%esi
164 	movl	%esi,%eax
169 	subl	%ecx,%eax
177 	notl	%eax
178 	addl	$1,%eax
182 	movl	%eax,%ecx
184 	movl	%edx,%eax
190 	movl	%eax,%ecx
192 	movl	%edx,%eax
196 	notl	%eax
197 	addl	$1,%eax
202 	rcrl	$1,%eax
205 	movl	%eax,%edi
217 	xorl	%eax,%eax
218 	decl	%eax
219 	movl	%eax,%edi
220 	movl	%eax,%esi
221 	movl	$0x7fffffff,%eax
235 	movl	%edi,%eax		/* ls word of guess */
239 	movl	%esi,%eax
242 	movl	%eax,FPU_accum_2
244 	movl	%edi,%eax
246 	addl	%eax,FPU_accum_1
252 	addl	%eax,FPU_accum_1
258 	movl	FPU_fsqrt_arg_0,%eax		/* get normalized n */
259 	subl	%eax,FPU_accum_1
260 	movl	FPU_fsqrt_arg_1,%eax
261 	sbbl	%eax,FPU_accum_2
262 	movl	FPU_fsqrt_arg_2,%eax		/* ms word of normalized n */
263 	sbbl	%eax,FPU_accum_3
286 	movl	FPU_accum_1,%eax
288 	movl	%eax,%ecx
290 	movl	%edx,%eax
294 	rcrl	$1,%eax
305 	movl	FPU_accum_1,%eax
307 	movl	%eax,%ecx
309 	movl	%edx,%eax
313 	rcrl	$1,%eax
317 	notl	%eax		/* Negate the correction term */
319 	addl	$1,%eax
333 	cmpl	$0xffffffe0,%eax
336 	cmpl	$0x00000020,%eax
339 	cmpl	$0x7fffffe0,%eax
342 	cmpl	$0x80000020,%eax
347 	movl	%eax,%edx
348 	movl	%esi,%eax
368 	movl	%edi,%eax		/* ls word of guess */
371 	movl	%eax,%ecx		/* ls word of square */
373 	movl	%edi,%eax
375 	addl	%eax,%ebx
376 	addl	%eax,%ebx
400 	xorl	%eax,%eax
405 	movl	$0x000000ff,%eax
412 	movl	$0xffffff00,%eax
423 	movl	%edi,%eax		/* ls word of guess */
426 	movl	%eax,%ecx		/* ls word of square */
428 	movl	%edi,%eax
430 	addl	%eax,%ebx
431 	addl	%eax,%ebx
460 	movl	$0x80000000,%eax
465 	movl	$0x800000ff,%eax
470 	movl	$0x7fffff00,%eax