patch-2.1.73 linux/arch/i386/math-emu/wm_sqrt.S

• Lines: 37
• Date: Tue Dec 9 17:57:09 1997
• Orig file: v2.1.72/linux/arch/i386/math-emu/wm_sqrt.S
• Orig date: Thu Oct 5 06:30:43 1995

diff -u --recursive --new-file v2.1.72/linux/arch/i386/math-emu/wm_sqrt.S linux/arch/i386/math-emu/wm_sqrt.S
@@ -4,12 +4,12 @@
  |                                                                           |
  | Fixed point arithmetic square root evaluation.                            |
  |                                                                           |
- | Copyright (C) 1992,1993,1995                                              |
+ | Copyright (C) 1992,1993,1995,1997                                         |
  |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
- |                       Australia.  E-mail billm@jacobi.maths.monash.edu.au |
+ |                       Australia.  E-mail billm@suburbia.net               |
  |                                                                           |
  | Call from C as:                                                           |
- |   void wm_sqrt(FPU_REG *n, unsigned int control_word)                     |
+ |    int wm_sqrt(FPU_REG *n, unsigned int control_word)                     |
  |                                                                           |
  +---------------------------------------------------------------------------*/
 
@@ -92,7 +92,7 @@
 
 /* We use a rough linear estimate for the first guess.. */
 
-	cmpl	EXP_BIAS,EXP(%esi)
+	cmpw	EXP_BIAS,EXP(%esi)
 	jnz	sqrt_arg_ge_2
 
 	shrl	$1,%eax			/* arg is in the range  [1.0 .. 2.0) */
@@ -347,9 +347,8 @@
 	movl	%esi,%eax
 	movl	%edi,%ebx
 	movl	PARAM1,%edi
-	movl	EXP_BIAS,EXP(%edi)	/* Result is in  [1.0 .. 2.0) */
-	movl	PARAM2,%ecx
-	jmp	fpu_reg_round_sqrt
+	movw	EXP_BIAS,EXP(%edi)	/* Result is in  [1.0 .. 2.0) */
+	jmp	fpu_reg_round
 
 
 sqrt_near_exact_x: