sparc: prepare lib/ for unification

Identical named files renamed to <name>_32.S
Refactored Makefile to prepare for unification.

Linking order was altered slightly - but this is a lib.a file so
it should not matter.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 583 deletions

diff --git a/arch/sparc/lib/checksum.S b/arch/sparc/lib/checksum.S
deleted file mode 100644
index 77f2285..0000000
--- a/arch/sparc/lib/checksum.S
+++ /dev/null
@@ -1,583 +0,0 @@
-/* checksum.S: Sparc optimized checksum code.
- *
- *  Copyright(C) 1995 Linus Torvalds
- *  Copyright(C) 1995 Miguel de Icaza
- *  Copyright(C) 1996 David S. Miller
- *  Copyright(C) 1997 Jakub Jelinek
- *
- * derived from:
- *	Linux/Alpha checksum c-code
- *      Linux/ix86 inline checksum assembly
- *      RFC1071 Computing the Internet Checksum (esp. Jacobsons m68k code)
- *	David Mosberger-Tang for optimized reference c-code
- *	BSD4.4 portable checksum routine
- */
-
-#include <asm/errno.h>
-
-#define CSUM_BIGCHUNK(buf, offset, sum, t0, t1, t2, t3, t4, t5)	\
-	ldd	[buf + offset + 0x00], t0;			\
-	ldd	[buf + offset + 0x08], t2;			\
-	addxcc	t0, sum, sum;					\
-	addxcc	t1, sum, sum;					\
-	ldd	[buf + offset + 0x10], t4;			\
-	addxcc	t2, sum, sum;					\
-	addxcc	t3, sum, sum;					\
-	ldd	[buf + offset + 0x18], t0;			\
-	addxcc	t4, sum, sum;					\
-	addxcc	t5, sum, sum;					\
-	addxcc	t0, sum, sum;					\
-	addxcc	t1, sum, sum;
-
-#define CSUM_LASTCHUNK(buf, offset, sum, t0, t1, t2, t3)	\
-	ldd	[buf - offset - 0x08], t0;			\
-	ldd	[buf - offset - 0x00], t2;			\
-	addxcc	t0, sum, sum;					\
-	addxcc	t1, sum, sum;					\
-	addxcc	t2, sum, sum;					\
-	addxcc	t3, sum, sum;
-
-	/* Do end cruft out of band to get better cache patterns. */
-csum_partial_end_cruft:
-	be	1f				! caller asks %o1 & 0x8
-	 andcc	%o1, 4, %g0			! nope, check for word remaining
-	ldd	[%o0], %g2			! load two
-	addcc	%g2, %o2, %o2			! add first word to sum
-	addxcc	%g3, %o2, %o2			! add second word as well
-	add	%o0, 8, %o0			! advance buf ptr
-	addx	%g0, %o2, %o2			! add in final carry
-	andcc	%o1, 4, %g0			! check again for word remaining
-1:	be	1f				! nope, skip this code
-	 andcc	%o1, 3, %o1			! check for trailing bytes
-	ld	[%o0], %g2			! load it
-	addcc	%g2, %o2, %o2			! add to sum
-	add	%o0, 4, %o0			! advance buf ptr
-	addx	%g0, %o2, %o2			! add in final carry
-	andcc	%o1, 3, %g0			! check again for trailing bytes
-1:	be	1f				! no trailing bytes, return
-	 addcc	%o1, -1, %g0			! only one byte remains?
-	bne	2f				! at least two bytes more
-	 subcc	%o1, 2, %o1			! only two bytes more?
-	b	4f				! only one byte remains
-	 or	%g0, %g0, %o4			! clear fake hword value
-2:	lduh	[%o0], %o4			! get hword
-	be	6f				! jmp if only hword remains
-	 add	%o0, 2, %o0			! advance buf ptr either way
-	sll	%o4, 16, %o4			! create upper hword
-4:	ldub	[%o0], %o5			! get final byte
-	sll	%o5, 8, %o5			! put into place
-	or	%o5, %o4, %o4			! coalese with hword (if any)
-6:	addcc	%o4, %o2, %o2			! add to sum
-1:	retl					! get outta here
-	 addx	%g0, %o2, %o0			! add final carry into retval
-
-	/* Also do alignment out of band to get better cache patterns. */
-csum_partial_fix_alignment:
-	cmp	%o1, 6
-	bl	cpte - 0x4
-	 andcc	%o0, 0x2, %g0
-	be	1f
-	 andcc	%o0, 0x4, %g0
-	lduh	[%o0 + 0x00], %g2
-	sub	%o1, 2, %o1
-	add	%o0, 2, %o0
-	sll	%g2, 16, %g2
-	addcc	%g2, %o2, %o2
-	srl	%o2, 16, %g3
-	addx	%g0, %g3, %g2
-	sll	%o2, 16, %o2
-	sll	%g2, 16, %g3
-	srl	%o2, 16, %o2
-	andcc	%o0, 0x4, %g0
-	or	%g3, %o2, %o2
-1:	be	cpa
-	 andcc	%o1, 0xffffff80, %o3
-	ld	[%o0 + 0x00], %g2
-	sub	%o1, 4, %o1
-	addcc	%g2, %o2, %o2
-	add	%o0, 4, %o0
-	addx	%g0, %o2, %o2
-	b	cpa
-	 andcc	%o1, 0xffffff80, %o3
-
-	/* The common case is to get called with a nicely aligned
-	 * buffer of size 0x20.  Follow the code path for that case.
-	 */
-	.globl	csum_partial
-csum_partial:			/* %o0=buf, %o1=len, %o2=sum */
-	andcc	%o0, 0x7, %g0				! alignment problems?
-	bne	csum_partial_fix_alignment		! yep, handle it
-	 sethi	%hi(cpte - 8), %g7			! prepare table jmp ptr
-	andcc	%o1, 0xffffff80, %o3			! num loop iterations
-cpa:	be	3f					! none to do
-	 andcc	%o1, 0x70, %g1				! clears carry flag too
-5:	CSUM_BIGCHUNK(%o0, 0x00, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
-	CSUM_BIGCHUNK(%o0, 0x20, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
-	CSUM_BIGCHUNK(%o0, 0x40, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
-	CSUM_BIGCHUNK(%o0, 0x60, %o2, %o4, %o5, %g2, %g3, %g4, %g5)
-	addx	%g0, %o2, %o2				! sink in final carry
-	subcc	%o3, 128, %o3				! detract from loop iters
-	bne	5b					! more to do
-	 add	%o0, 128, %o0				! advance buf ptr
-	andcc	%o1, 0x70, %g1				! clears carry flag too
-3:	be	cpte					! nope
-	 andcc	%o1, 0xf, %g0				! anything left at all?
-	srl	%g1, 1, %o4				! compute offset
-	sub	%g7, %g1, %g7				! adjust jmp ptr
-	sub	%g7, %o4, %g7				! final jmp ptr adjust
-	jmp	%g7 + %lo(cpte - 8)			! enter the table
-	 add	%o0, %g1, %o0				! advance buf ptr
-cptbl:	CSUM_LASTCHUNK(%o0, 0x68, %o2, %g2, %g3, %g4, %g5)
-	CSUM_LASTCHUNK(%o0, 0x58, %o2, %g2, %g3, %g4, %g5)
-	CSUM_LASTCHUNK(%o0, 0x48, %o2, %g2, %g3, %g4, %g5)
-	CSUM_LASTCHUNK(%o0, 0x38, %o2, %g2, %g3, %g4, %g5)
-	CSUM_LASTCHUNK(%o0, 0x28, %o2, %g2, %g3, %g4, %g5)
-	CSUM_LASTCHUNK(%o0, 0x18, %o2, %g2, %g3, %g4, %g5)
-	CSUM_LASTCHUNK(%o0, 0x08, %o2, %g2, %g3, %g4, %g5)
-	addx	%g0, %o2, %o2				! fetch final carry
-	andcc	%o1, 0xf, %g0				! anything left at all?
-cpte:	bne	csum_partial_end_cruft			! yep, handle it
-	 andcc	%o1, 8, %g0				! check how much
-cpout:	retl						! get outta here
-	 mov	%o2, %o0				! return computed csum
-
-	.globl __csum_partial_copy_start, __csum_partial_copy_end
-__csum_partial_copy_start:
-
-/* Work around cpp -rob */
-#define ALLOC #alloc
-#define EXECINSTR #execinstr
-#define EX(x,y,a,b)				\
-98:     x,y;                                    \
-        .section .fixup,ALLOC,EXECINSTR;	\
-        .align  4;                              \
-99:     ba 30f;                                 \
-         a, b, %o3;                             \
-        .section __ex_table,ALLOC;		\
-        .align  4;                              \
-        .word   98b, 99b;                       \
-        .text;                                  \
-        .align  4
-
-#define EX2(x,y)				\
-98:     x,y;                                    \
-        .section __ex_table,ALLOC;		\
-        .align  4;                              \
-        .word   98b, 30f;                       \
-        .text;                                  \
-        .align  4
-
-#define EX3(x,y)				\
-98:     x,y;                                    \
-        .section __ex_table,ALLOC;		\
-        .align  4;                              \
-        .word   98b, 96f;                       \
-        .text;                                  \
-        .align  4
-
-#define EXT(start,end,handler)			\
-        .section __ex_table,ALLOC;		\
-        .align  4;                              \
-        .word   start, 0, end, handler;         \
-        .text;                                  \
-        .align  4
-
-	/* This aligned version executes typically in 8.5 superscalar cycles, this
-	 * is the best I can do.  I say 8.5 because the final add will pair with
-	 * the next ldd in the main unrolled loop.  Thus the pipe is always full.
-	 * If you change these macros (including order of instructions),
-	 * please check the fixup code below as well.
-	 */
-#define CSUMCOPY_BIGCHUNK_ALIGNED(src, dst, sum, off, t0, t1, t2, t3, t4, t5, t6, t7)	\
-	ldd	[src + off + 0x00], t0;							\
-	ldd	[src + off + 0x08], t2;							\
-	addxcc	t0, sum, sum;								\
-	ldd	[src + off + 0x10], t4;							\
-	addxcc	t1, sum, sum;								\
-	ldd	[src + off + 0x18], t6;							\
-	addxcc	t2, sum, sum;								\
-	std	t0, [dst + off + 0x00];							\
-	addxcc	t3, sum, sum;								\
-	std	t2, [dst + off + 0x08];							\
-	addxcc	t4, sum, sum;								\
-	std	t4, [dst + off + 0x10];							\
-	addxcc	t5, sum, sum;								\
-	std	t6, [dst + off + 0x18];							\
-	addxcc	t6, sum, sum;								\
-	addxcc	t7, sum, sum;
-
-	/* 12 superscalar cycles seems to be the limit for this case,
-	 * because of this we thus do all the ldd's together to get
-	 * Viking MXCC into streaming mode.  Ho hum...
-	 */
-#define CSUMCOPY_BIGCHUNK(src, dst, sum, off, t0, t1, t2, t3, t4, t5, t6, t7)	\
-	ldd	[src + off + 0x00], t0;						\
-	ldd	[src + off + 0x08], t2;						\
-	ldd	[src + off + 0x10], t4;						\
-	ldd	[src + off + 0x18], t6;						\
-	st	t0, [dst + off + 0x00];						\
-	addxcc	t0, sum, sum;							\
-	st	t1, [dst + off + 0x04];						\
-	addxcc	t1, sum, sum;							\
-	st	t2, [dst + off + 0x08];						\
-	addxcc	t2, sum, sum;							\
-	st	t3, [dst + off + 0x0c];						\
-	addxcc	t3, sum, sum;							\
-	st	t4, [dst + off + 0x10];						\
-	addxcc	t4, sum, sum;							\
-	st	t5, [dst + off + 0x14];						\
-	addxcc	t5, sum, sum;							\
-	st	t6, [dst + off + 0x18];						\
-	addxcc	t6, sum, sum;							\
-	st	t7, [dst + off + 0x1c];						\
-	addxcc	t7, sum, sum;
-
-	/* Yuck, 6 superscalar cycles... */
-#define CSUMCOPY_LASTCHUNK(src, dst, sum, off, t0, t1, t2, t3)	\
-	ldd	[src - off - 0x08], t0;				\
-	ldd	[src - off - 0x00], t2;				\
-	addxcc	t0, sum, sum;					\
-	st	t0, [dst - off - 0x08];				\
-	addxcc	t1, sum, sum;					\
-	st	t1, [dst - off - 0x04];				\
-	addxcc	t2, sum, sum;					\
-	st	t2, [dst - off - 0x00];				\
-	addxcc	t3, sum, sum;					\
-	st	t3, [dst - off + 0x04];
-
-	/* Handle the end cruft code out of band for better cache patterns. */
-cc_end_cruft:
-	be	1f
-	 andcc	%o3, 4, %g0
-	EX(ldd	[%o0 + 0x00], %g2, and %o3, 0xf)
-	add	%o1, 8, %o1
-	addcc	%g2, %g7, %g7
-	add	%o0, 8, %o0
-	addxcc	%g3, %g7, %g7
-	EX2(st	%g2, [%o1 - 0x08])
-	addx	%g0, %g7, %g7
-	andcc	%o3, 4, %g0
-	EX2(st	%g3, [%o1 - 0x04])
-1:	be	1f
-	 andcc	%o3, 3, %o3
-	EX(ld	[%o0 + 0x00], %g2, add %o3, 4)
-	add	%o1, 4, %o1
-	addcc	%g2, %g7, %g7
-	EX2(st	%g2, [%o1 - 0x04])
-	addx	%g0, %g7, %g7
-	andcc	%o3, 3, %g0
-	add	%o0, 4, %o0
-1:	be	1f
-	 addcc	%o3, -1, %g0
-	bne	2f
-	 subcc	%o3, 2, %o3
-	b	4f
-	 or	%g0, %g0, %o4
-2:	EX(lduh	[%o0 + 0x00], %o4, add %o3, 2)
-	add	%o0, 2, %o0
-	EX2(sth	%o4, [%o1 + 0x00])
-	be	6f
-	 add	%o1, 2, %o1
-	sll	%o4, 16, %o4
-4:	EX(ldub	[%o0 + 0x00], %o5, add %g0, 1)
-	EX2(stb	%o5, [%o1 + 0x00])
-	sll	%o5, 8, %o5
-	or	%o5, %o4, %o4
-6:	addcc	%o4, %g7, %g7
-1:	retl
-	 addx	%g0, %g7, %o0
-
-	/* Also, handle the alignment code out of band. */
-cc_dword_align:
-	cmp	%g1, 6
-	bl,a	ccte
-	 andcc	%g1, 0xf, %o3
-	andcc	%o0, 0x1, %g0
-	bne	ccslow
-	 andcc	%o0, 0x2, %g0
-	be	1f
-	 andcc	%o0, 0x4, %g0
-	EX(lduh	[%o0 + 0x00], %g4, add %g1, 0)
-	sub	%g1, 2, %g1
-	EX2(sth	%g4, [%o1 + 0x00])
-	add	%o0, 2, %o0
-	sll	%g4, 16, %g4
-	addcc	%g4, %g7, %g7
-	add	%o1, 2, %o1
-	srl	%g7, 16, %g3
-	addx	%g0, %g3, %g4
-	sll	%g7, 16, %g7
-	sll	%g4, 16, %g3
-	srl	%g7, 16, %g7
-	andcc	%o0, 0x4, %g0
-	or	%g3, %g7, %g7
-1:	be	3f
-	 andcc	%g1, 0xffffff80, %g0
-	EX(ld	[%o0 + 0x00], %g4, add %g1, 0)
-	sub	%g1, 4, %g1
-	EX2(st	%g4, [%o1 + 0x00])
-	add	%o0, 4, %o0
-	addcc	%g4, %g7, %g7
-	add	%o1, 4, %o1
-	addx	%g0, %g7, %g7
-	b	3f
-	 andcc	%g1, 0xffffff80, %g0
-
-	/* Sun, you just can't beat me, you just can't.  Stop trying,
-	 * give up.  I'm serious, I am going to kick the living shit
-	 * out of you, game over, lights out.
-	 */
-	.align	8
-	.globl	__csum_partial_copy_sparc_generic
-__csum_partial_copy_sparc_generic:
-					/* %o0=src, %o1=dest, %g1=len, %g7=sum */
-	xor	%o0, %o1, %o4		! get changing bits
-	andcc	%o4, 3, %g0		! check for mismatched alignment
-	bne	ccslow			! better this than unaligned/fixups
-	 andcc	%o0, 7, %g0		! need to align things?
-	bne	cc_dword_align		! yes, we check for short lengths there
-	 andcc	%g1, 0xffffff80, %g0	! can we use unrolled loop?
-3:	be	3f			! nope, less than one loop remains
-	 andcc	%o1, 4, %g0		! dest aligned on 4 or 8 byte boundary?
-	be	ccdbl + 4		! 8 byte aligned, kick ass
-5:	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x00,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x20,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x40,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-	CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x60,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-10:	EXT(5b, 10b, 20f)		! note for exception handling
-	sub	%g1, 128, %g1		! detract from length
-	addx	%g0, %g7, %g7		! add in last carry bit
-	andcc	%g1, 0xffffff80, %g0	! more to csum?
-	add	%o0, 128, %o0		! advance src ptr
-	bne	5b			! we did not go negative, continue looping
-	 add	%o1, 128, %o1		! advance dest ptr
-3:	andcc	%g1, 0x70, %o2		! can use table?
-ccmerge:be	ccte			! nope, go and check for end cruft
-	 andcc	%g1, 0xf, %o3		! get low bits of length (clears carry btw)
-	srl	%o2, 1, %o4		! begin negative offset computation
-	sethi	%hi(12f), %o5		! set up table ptr end
-	add	%o0, %o2, %o0		! advance src ptr
-	sub	%o5, %o4, %o5		! continue table calculation
-	sll	%o2, 1, %g2		! constant multiplies are fun...
-	sub	%o5, %g2, %o5		! some more adjustments
-	jmp	%o5 + %lo(12f)		! jump into it, duff style, wheee...
-	 add	%o1, %o2, %o1		! advance dest ptr (carry is clear btw)
-cctbl:	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x68,%g2,%g3,%g4,%g5)
-	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x58,%g2,%g3,%g4,%g5)
-	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x48,%g2,%g3,%g4,%g5)
-	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x38,%g2,%g3,%g4,%g5)
-	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x28,%g2,%g3,%g4,%g5)
-	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x18,%g2,%g3,%g4,%g5)
-	CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x08,%g2,%g3,%g4,%g5)
-12:	EXT(cctbl, 12b, 22f)		! note for exception table handling
-	addx	%g0, %g7, %g7
-	andcc	%o3, 0xf, %g0		! check for low bits set
-ccte:	bne	cc_end_cruft		! something left, handle it out of band
-	 andcc	%o3, 8, %g0		! begin checks for that code
-	retl				! return
-	 mov	%g7, %o0		! give em the computed checksum
-ccdbl:	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x00,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x20,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x40,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-	CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x60,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-11:	EXT(ccdbl, 11b, 21f)		! note for exception table handling
-	sub	%g1, 128, %g1		! detract from length
-	addx	%g0, %g7, %g7		! add in last carry bit
-	andcc	%g1, 0xffffff80, %g0	! more to csum?
-	add	%o0, 128, %o0		! advance src ptr
-	bne	ccdbl			! we did not go negative, continue looping
-	 add	%o1, 128, %o1		! advance dest ptr
-	b	ccmerge			! finish it off, above
-	 andcc	%g1, 0x70, %o2		! can use table? (clears carry btw)
-
-ccslow:	cmp	%g1, 0
-	mov	0, %g5
-	bleu	4f
-	 andcc	%o0, 1, %o5		
-	be,a	1f
-	 srl	%g1, 1, %g4		
-	sub	%g1, 1, %g1	
-	EX(ldub	[%o0], %g5, add %g1, 1)
-	add	%o0, 1, %o0	
-	EX2(stb	%g5, [%o1])
-	srl	%g1, 1, %g4
-	add	%o1, 1, %o1
-1:	cmp	%g4, 0		
-	be,a	3f
-	 andcc	%g1, 1, %g0
-	andcc	%o0, 2, %g0	
-	be,a	1f
-	 srl	%g4, 1, %g4
-	EX(lduh	[%o0], %o4, add %g1, 0)
-	sub	%g1, 2, %g1	
-	srl	%o4, 8, %g2
-	sub	%g4, 1, %g4	
-	EX2(stb	%g2, [%o1])
-	add	%o4, %g5, %g5
-	EX2(stb	%o4, [%o1 + 1])
-	add	%o0, 2, %o0	
-	srl	%g4, 1, %g4
-	add	%o1, 2, %o1
-1:	cmp	%g4, 0		
-	be,a	2f
-	 andcc	%g1, 2, %g0
-	EX3(ld	[%o0], %o4)
-5:	srl	%o4, 24, %g2
-	srl	%o4, 16, %g3
-	EX2(stb	%g2, [%o1])
-	srl	%o4, 8, %g2
-	EX2(stb	%g3, [%o1 + 1])
-	add	%o0, 4, %o0
-	EX2(stb	%g2, [%o1 + 2])
-	addcc	%o4, %g5, %g5
-	EX2(stb	%o4, [%o1 + 3])
-	addx	%g5, %g0, %g5	! I am now to lazy to optimize this (question it
-	add	%o1, 4, %o1	! is worthy). Maybe some day - with the sll/srl
-	subcc	%g4, 1, %g4	! tricks
-	bne,a	5b
-	 EX3(ld	[%o0], %o4)
-	sll	%g5, 16, %g2
-	srl	%g5, 16, %g5
-	srl	%g2, 16, %g2
-	andcc	%g1, 2, %g0
-	add	%g2, %g5, %g5 
-2:	be,a	3f		
-	 andcc	%g1, 1, %g0
-	EX(lduh	[%o0], %o4, and %g1, 3)
-	andcc	%g1, 1, %g0
-	srl	%o4, 8, %g2
-	add	%o0, 2, %o0	
-	EX2(stb	%g2, [%o1])
-	add	%g5, %o4, %g5
-	EX2(stb	%o4, [%o1 + 1])
-	add	%o1, 2, %o1
-3:	be,a	1f		
-	 sll	%g5, 16, %o4
-	EX(ldub	[%o0], %g2, add %g0, 1)
-	sll	%g2, 8, %o4	
-	EX2(stb	%g2, [%o1])
-	add	%g5, %o4, %g5
-	sll	%g5, 16, %o4
-1:	addcc	%o4, %g5, %g5
-	srl	%g5, 16, %o4
-	addx	%g0, %o4, %g5
-	orcc	%o5, %g0, %g0
-	be	4f
-	 srl	%g5, 8, %o4
-	and	%g5, 0xff, %g2
-	and	%o4, 0xff, %o4
-	sll	%g2, 8, %g2
-	or	%g2, %o4, %g5
-4:	addcc	%g7, %g5, %g7
-	retl	
-	 addx	%g0, %g7, %o0
-__csum_partial_copy_end:
-
-/* We do these strange calculations for the csum_*_from_user case only, ie.
- * we only bother with faults on loads... */
-
-/* o2 = ((g2%20)&3)*8
- * o3 = g1 - (g2/20)*32 - o2 */
-20:
-	cmp	%g2, 20
-	blu,a	1f
-	 and	%g2, 3, %o2
-	sub	%g1, 32, %g1
-	b	20b
-	 sub	%g2, 20, %g2
-1:
-	sll	%o2, 3, %o2
-	b	31f
-	 sub	%g1, %o2, %o3
-
-/* o2 = (!(g2 & 15) ? 0 : (((g2 & 15) + 1) & ~1)*8)
- * o3 = g1 - (g2/16)*32 - o2 */
-21:
-	andcc	%g2, 15, %o3
-	srl	%g2, 4, %g2
-	be,a	1f
-	 clr	%o2
-	add	%o3, 1, %o3
-	and	%o3, 14, %o3
-	sll	%o3, 3, %o2
-1:
-	sll	%g2, 5, %g2
-	sub	%g1, %g2, %o3
-	b	31f
-	 sub	%o3, %o2, %o3
-
-/* o0 += (g2/10)*16 - 0x70
- * 01 += (g2/10)*16 - 0x70
- * o2 = (g2 % 10) ? 8 : 0
- * o3 += 0x70 - (g2/10)*16 - o2 */
-22:
-	cmp	%g2, 10
-	blu,a	1f
-	 sub	%o0, 0x70, %o0
-	add	%o0, 16, %o0
-	add	%o1, 16, %o1
-	sub	%o3, 16, %o3
-	b	22b
-	 sub	%g2, 10, %g2
-1:
-	sub	%o1, 0x70, %o1
-	add	%o3, 0x70, %o3
-	clr	%o2
-	tst	%g2
-	bne,a	1f
-	 mov	8, %o2
-1:
-	b	31f
-	 sub	%o3, %o2, %o3
-96:
-	and	%g1, 3, %g1
-	sll	%g4, 2, %g4
-	add	%g1, %g4, %o3
-30:
-/* %o1 is dst
- * %o3 is # bytes to zero out
- * %o4 is faulting address
- * %o5 is %pc where fault occurred */
-	clr	%o2
-31:
-/* %o0 is src
- * %o1 is dst
- * %o2 is # of bytes to copy from src to dst
- * %o3 is # bytes to zero out
- * %o4 is faulting address
- * %o5 is %pc where fault occurred */
-	save	%sp, -104, %sp
-        mov     %i5, %o0
-        mov     %i7, %o1
-        mov	%i4, %o2
-        call    lookup_fault
-	 mov	%g7, %i4
-	cmp	%o0, 2
-	bne	1f	
-	 add	%g0, -EFAULT, %i5
-	tst	%i2
-	be	2f
-	 mov	%i0, %o1
-	mov	%i1, %o0
-5:
-	call	__memcpy
-	 mov	%i2, %o2
-	tst	%o0
-	bne,a	2f
-	 add	%i3, %i2, %i3
-	add	%i1, %i2, %i1
-2:
-	mov	%i1, %o0
-6:
-	call	__bzero
-	 mov	%i3, %o1
-1:
-	ld	[%sp + 168], %o2		! struct_ptr of parent
-	st	%i5, [%o2]
-	ret
-	 restore
-
-        .section __ex_table,#alloc
-        .align 4
-        .word 5b,2
-	.word 6b,2