From 37b6643df2df7d784a31ca73f7bb90dc109c2401 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Thu, 15 Dec 2005 07:26:47 +0000
Subject: removing PDP source (except debian files) before import of PDP 0.12.4

svn path=/trunk/externals/pdp/; revision=4217
---
 system/mmx/pixel_cheby_s16.s | 90 --------------------------------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 system/mmx/pixel_cheby_s16.s

(limited to 'system/mmx/pixel_cheby_s16.s')

diff --git a/system/mmx/pixel_cheby_s16.s b/system/mmx/pixel_cheby_s16.s
deleted file mode 100644
index 2afe9e2..0000000
--- a/system/mmx/pixel_cheby_s16.s
+++ /dev/null
@@ -1,90 +0,0 @@
-#    Pure Data Packet mmx routine.
-#    Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
-# 
-#    This program is free software; you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation; either version 2 of the License, or
-#    (at your option) any later version.
-# 
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-# 
-#    You should have received a copy of the GNU General Public License
-#    along with this program; if not, write to the Free Software
-#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-.globl pixel_cheby_s16_3plus
-.type  pixel_cheby_s16_3plus,@function
-
-# void pixel_cheby_s16(int *buf, int nb_8pixel_vectors, int order+1, short int *coefs)
-
-
-# coefs are s2.13 fixed point (-4->4)
-pixel_cheby_s16_3plus:
-	pushl %ebp
-	movl %esp, %ebp
-	push %esi
-	push %edi
-	push %edx
-
-	movl 8(%ebp),  %esi	# input array
-	movl 12(%ebp), %ecx	# vector count
-	movl 16(%ebp), %eax	# get order+1
-
-	shll $3, %eax
-	movl 20(%ebp), %edx
-	addl %eax, %edx		# edx = coef endx address
-	
-#	jmp skip
-	
-	.align 16
-	.loop_cheby:	
-
-	movl 20(%ebp), %edi	# get coefs
-	movq (%esi), %mm0	# load 4 pixels from memory (mm0 = x)
-	pcmpeqw %mm2, %mm2
-	movq %mm0, %mm1		# mm1 (T_n-1) <- x
-	psrlw $1, %mm2		# mm2 (T_n-2) <- 1
-	
-
-	movq (%edi), %mm4	# mm4 (acc) == a0
-	psraw $1, %mm4		# mm4 == a0/2
-	movq %mm0, %mm5		# mm5 (intermediate)
-	pmulhw 8(%edi), %mm5	# mm5 == (x * a1)/2
-	paddsw %mm5, %mm4	# acc = c0 + c1 x
-	addl $16, %edi
-
-	.loop_cheby_inner:	
-	movq %mm1, %mm3		# mm3 == T_n-1
-	psraw $2, %mm2		# mm2 == T_n-2 / 4
-	pmulhw %mm0, %mm3	# mm3 == (2 x T_n-1) / 4
-	psubsw %mm2, %mm3	# mm3 == (2 x T_n-1 - T_n-2) / 4
-	paddsw %mm3, %mm3
-	paddsw %mm3, %mm3	# mm3 == T_n
-	movq %mm1, %mm2		# mm2 == new T_n-1
-	movq %mm3, %mm1		# mm3 == new T_n-2
-	pmulhw (%edi), %mm3	# mm3 = a_n * T_n / 2
-	paddsw %mm3, %mm4	# accumulate
-	addl $8, %edi
-	cmpl %edx, %edi
-	jne .loop_cheby_inner
-	
-	paddsw %mm4, %mm4	# compensate for 0.125 factor
-	paddsw %mm4, %mm4
-	paddsw %mm4, %mm4
-	movq %mm4, (%esi)	# store result in memory
-	addl $8, %esi		# increment source/dest pointer
-	decl %ecx
-	jnz .loop_cheby		# loop
-
-skip:	
-	emms
-
-	pop %edx
-	pop %edi
-	pop %esi
-	leave
-	ret
-	
-- 
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