--- trunk/xvidcore/src/bitstream/ppc_asm/cbp_ppc.s 2002/03/27 15:06:14 72 +++ trunk/xvidcore/src/bitstream/ppc_asm/cbp_ppc.s 2002/03/28 12:29:58 75 @@ -15,9 +15,9 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # -# $Id: cbp_ppc.s,v 1.8 2002-03-27 15:06:14 canard Exp $ +# $Id: cbp_ppc.s,v 1.9 2002-03-28 12:29:58 canard Exp $ # $Source: /home/xvid/cvs_copy/cvs-server-root/xvid/xvidcore/src/bitstream/ppc_asm/cbp_ppc.s,v $ -# $Date: 2002-03-27 15:06:14 $ +# $Date: 2002-03-28 12:29:58 $ # $Author: canard $ # # This is my first PPC ASM attempt. So I might do nasty things. @@ -59,41 +59,41 @@ .global calc_cbp_ppc calc_cbp_ppc: # r9 will contain coeffs addr - mr 9,3 + mr %r9,%r3 # r8 is the loop counter (rows) - li 8,5 + li %r8,5 # r3 contains the result, therefore we set it to 0 - li 3,0 + li %r3,0 .loop: # CTR is the loop2 counter - li 4,16 - mtctr 4 + li %r4,16 + mtctr %r4 # r6 is coeff pointer for this line - mr 6,9 - lis 7,.skip@ha - addi 7,7,.skip@l - lwz 7,0(7) + mr %r6,%r9 + lis %r7,.skip@ha + addi %r7,%r7,.skip@l + lwz %r7,0(%r7) .loop2: # coeffs is a matrix of 16 bits cells - lwz 4,0(6) - and 4,4,7 - li 7,-1 + lwz %r4,0(%r6) + and %r4,%r4,%r7 + li %r7,-1 - lwz 5,4(6) + lwz %r5,4(%r6) # or. updates CR0 - or. 4,5,4 + or. %r4,%r5,%r4 # testing bit 2 (is zero) of CR0 bf 2,.cbp - addi 6,6,8 + addi %r6,%r6,8 bdnz .loop2 b .newline .cbp: - li 4,1 - slw 4,4,8 - or 3,3,4 + li %r4,1 + slw %r4,%r4,%r8 + or %r3,%r3,%r4 .newline: - addi 9,9,128 + addi %r9,%r9,128 # updates CR0, blabla - subic. 8,8,1 + subic. %r8,%r8,1 bf 0,.loop blr