File:  [DVB] / dietlibc / alpha / reml.S
Revision 1.1: download - view: text, annotated - select for diffs
Thu Mar 8 14:58:41 2001 UTC (23 years, 3 months ago) by olaf
Branches: MAIN
CVS tags: finnland_test_200301, branch_rc14_fieldtest_finnland, branch_rc13_fieldtest_finnland, branch_rc12_fieldtest_finnland, branch_rc10_fieldtest_finnland, RELEASE_finnland_200301_1, RC12_FIELDTEST_FINNLAND, RC10_FIELDTEST_FINNLAND, HEAD
added missing alpha functions for devision and remainder

/* taken from glibc 2.2 */

	.set noreorder
	.set noat

	.ent __remlu
	.globl __remlu

	.align 3
__remlu :
	lda	$30 , -32($30)
	.frame	$30 , 32 , $23  , 0
	.prologue 0
.Ludiv:
	stq	$1  , 0($30)
	zapnot	$25 , 15 , $1
	stq	$2  , 8($30)
	zapnot  $24 , 15 , $27
	stq	$0  , 16($30)
	clr	$2
	stq	$3  , 24($30)
	ldiq	$0  , 1

	beq	$1  , .Ldivbyzero

	.align 3


1:	cmpult	$1  , $27 , $at
	s8addq	$1  , $31 , $1
	s8addq	$0  , $31 , $0
	bne	$at , 1b



3:
	srl	$0  , 1 , $0
	cmpule	$1  , $27 , $at
	subq	$27 , $1 , $3

	srl	$1  , 1  , $1
	cmovne	$at , $3  , $27
	bne	$0  , 3b

.Ldone:	ldq	$1 , 0($30)
	ldq	$2 , 8($30)
	ldq	$0 , 16($30)
	ldq	$3 , 24($30)

	lda	$30 , 32($30)
	ret	$31 , ($23), 1

.Ldivbyzero:
	mov	$16 , $3
	ldiq	$16 , -2
	call_pal 170
	mov	$3  , $16
	clr	$27
	br	.Ldone

	.end __remlu

	.ent __reml
	.globl __reml

	.align 3
__reml :
	lda	$30 , - 32 ($30 )
	.frame	$30 , 32 , $23  , 0
	.prologue 0
	or	$24 , $25  , $at
	sextl	$at , $at
	bge	$at , .Ludiv


	stq	$24 , 0($30 )
	negl	$24 ,  $at
	stq	$25 , 8($30 )
	cmovge	$at , $at , $24
	stq	$23 , 16($30 )
	negl	$25 ,  $at
	stq	$3  , 24($30 )
	cmovge	$at , $at , $25


	bsr	$23 , __remlu


	ldq	$24 , 0($30 )
	ldq	$25 , 8($30 )
	mov	$24 ,  $at
	negl	$27 ,  $3
	sextl	$at , $at
	ldq	$23 , 16($30 )
	cmovlt	$at , $3  , $27
	ldq	$3  , 24($30 )

	lda	$30 , 32 ($30 )
	ret	$31 , ($23  ), 1

	.end	__reml

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