sparc/lib/checksum_32.S

46 	ldd	[%o0], %g2			! load two
47 	addcc	%g2, %o2, %o2			! add first word to sum
54 	ld	[%o0], %g2			! load it
55 	addcc	%g2, %o2, %o2			! add to sum
83 	lduh	[%o0 + 0x00], %g2
86 	sll	%g2, 16, %g2
87 	addcc	%g2, %o2, %o2
89 	addx	%g0, %g3, %g2
91 	sll	%g2, 16, %g3
97 	ld	[%o0 + 0x00], %g2
99 	addcc	%g2, %o2, %o2
117 5:	CSUM_BIGCHUNK(%o0, 0x00, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
118 	CSUM_BIGCHUNK(%o0, 0x20, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
119 	CSUM_BIGCHUNK(%o0, 0x40, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
120 	CSUM_BIGCHUNK(%o0, 0x60, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
133 cptbl:	CSUM_LASTCHUNK(%o0, 0x68, %o2, %g2, %g3, %g4, %g5)
134 	CSUM_LASTCHUNK(%o0, 0x58, %o2, %g2, %g3, %g4, %g5)
135 	CSUM_LASTCHUNK(%o0, 0x48, %o2, %g2, %g3, %g4, %g5)
136 	CSUM_LASTCHUNK(%o0, 0x38, %o2, %g2, %g3, %g4, %g5)
137 	CSUM_LASTCHUNK(%o0, 0x28, %o2, %g2, %g3, %g4, %g5)
138 	CSUM_LASTCHUNK(%o0, 0x18, %o2, %g2, %g3, %g4, %g5)
139 	CSUM_LASTCHUNK(%o0, 0x08, %o2, %g2, %g3, %g4, %g5)
225 	EX(ldd	[%o0 + 0x00], %g2)
227 	addcc	%g2, %g7, %g7
230 	EX(st	%g2, [%o1 - 0x08])
236 	EX(ld	[%o0 + 0x00], %g2)
238 	addcc	%g2, %g7, %g7
239 	EX(st	%g2, [%o1 - 0x04])
323 5:	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x00,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
324 	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x20,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
325 	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x40,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
326 	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x60,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
340 	sll	%o2, 1, %g2		! constant multiplies are fun...
341 	sub	%o5, %g2, %o5		! some more adjustments
344 cctbl:	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x68,%g2,%g3,%g4,%g5)
345 	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x58,%g2,%g3,%g4,%g5)
346 	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x48,%g2,%g3,%g4,%g5)
347 	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x38,%g2,%g3,%g4,%g5)
348 	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x28,%g2,%g3,%g4,%g5)
349 	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x18,%g2,%g3,%g4,%g5)
350 	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x08,%g2,%g3,%g4,%g5)
357 ccdbl:	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x00,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
358 	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x20,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
359 	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x40,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
360 	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x60,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
390 	srl	%o4, 8, %g2
392 	EX(stb	%g2, [%o1])
402 5:	srl	%o4, 24, %g2
404 	EX(stb	%g2, [%o1])
405 	srl	%o4, 8, %g2
408 	EX(stb	%g2, [%o1 + 2])
416 	sll	%g5, 16, %g2
418 	srl	%g2, 16, %g2
420 	add	%g2, %g5, %g5
425 	srl	%o4, 8, %g2
427 	EX(stb	%g2, [%o1])
433 	EX(ldub	[%o0], %g2)
434 	sll	%g2, 8, %o4
435 	EX(stb	%g2, [%o1])
444 	and	%g5, 0xff, %g2
446 	sll	%g2, 8, %g2
447 	or	%g2, %o4, %g5