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Diffstat (limited to 'system/mmx/pixel_s1.s')
| -rw-r--r-- | system/mmx/pixel_s1.s | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/system/mmx/pixel_s1.s b/system/mmx/pixel_s1.s deleted file mode 100644 index d6bc5ca..0000000 --- a/system/mmx/pixel_s1.s +++ /dev/null @@ -1,201 +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. -# - - # this file contains ops for binary image processing - # 8x8 bit tile encoded - # low byte = bottom row - # low bit = right column - # %mm7 = scratch reg for all macros - - - # ************ load mask ******************* - # compute bit masks for rows and columns - # %mm7: scratch reg - - # load mask top - .macro ldmt count reg - pcmpeqb \reg, \reg - psllq $(64-(\count<<3)), \reg - .endm - - # load mask bottom - .macro ldmb count reg - pcmpeqb \reg, \reg - psrlq $(64-(\count<<3)), \reg - .endm - - # load mask top and bottom - .macro ldmtb count regt regb - ldmb \count, \regb - ldmt \count, \regt - .endm - - # load mask right - .macro ldmr count reg - pcmpeqb %mm7, %mm7 - psrlw $(16-\count), %mm7 - movq %mm7, \reg - psllq $8, %mm7 - por %mm7, \reg - .endm - - # load mask left - .macro ldml count reg - pcmpeqb %mm7, %mm7 - psllw $(16-\count), %mm7 - movq %mm7, \reg - psrlq $8, %mm7 - por %mm7, \reg - .endm - - # load mask left and right - .macro ldmlr count regl regr - pcmpeqb %mm7, %mm7 - psllw $(16-\count), %mm7 - movq %mm7, \regl - psrlq $8, %mm7 - por %mm7, \regl - movq \regl, \regr - psrlq $(8-\count), \regr - .endm - - # ************* shift square ********** - # shifts a square in reg, fills with zeros - - # shift square top - .macro sst count reg - psllq $(\count<<3), \reg - .endm - - # shift square bottom - .macro ssb count reg - psrlq $(\count<<3), \reg - .endm - - # not tested - # shift square left - .macro ssl count reg - movq \reg, %mm7 - pcmpeqb \reg, \reg - psllw $(16-\count), \reg - psrlw $8, \reg - pandn %mm7, \reg - psllw $(\count), \reg - .endm - - # shift square right - .macro ssr count reg - movq \reg, %mm7 - pcmpeqb \reg, \reg - psrlw $(16-\count), \reg - psllw $8, \reg - pandn %mm7, \reg - psrlw $(\count), \reg - .endm - - - # ********** combine square ************* - # combines 2 squares - - # combine right - .macro csr count regr reg - ssl \count, \reg - ssr (8-\count), \regr - por \regr, \reg - .endm - - # combine left - .macro csl count regl reg - ssr \count, \reg - ssl (8-\count), \regl - por \regl, \reg - .endm - - # combine top - .macro cst count regt reg - ssb \count, \reg - sst (8-\count), \regt - por \regt, \reg - .endm - - - # combine bottom - .macro csb count regb reg - sst \count, \reg - ssb (8-\count), \regb - por \regb, \reg - .endm - - - # ********** load combine square ************* - # loads combined square using mask - - # load combined square left - # mask should be count bits set right (i.e. 0x01) - .macro lcsml count mask source sourcel dstreg - movq \mask, \dstreg - movq \mask, %mm7 - pandn \source, \dstreg - pand \sourcel, %mm7 - psrlq $(\count), \dstreg - psllq $(8-\count), %mm7 - por %mm7, \dstreg - .endm - - - -.globl pixel_test_s1 -.type pixel_test_s1,@function - -# simple add -# void pixel_add_s16(void *dest, void *source, int nb_squares, int spacing) - - - - # - - -pixel_test_s1: - pushl %ebp - movl %esp, %ebp - push %esi - push %edi - - movl 8(%ebp), %edi # dest - movl 12(%ebp), %esi # source - movl 16(%ebp), %ecx # count - movl 20(%ebp), %edx # row distance - - ldmr 1, %mm6 - lcsml 1, %mm6, (%esi), 8(%esi), %mm0 - movq %mm0, (%edi) - - -# movq (%esi), %mm0 -# movq 8(%esi), %mm1 -# csl 4, %mm1, %mm0 -# movq %mm0, (%edi) - - emms - - - pop %edi - pop %esi - leave - ret - |