 a52312b88c
			
		
	
	
	a52312b88c
	
	
	
		
			
			Properly return the original destination buffer pointer. Signed-off-by: David S. Miller <davem@davemloft.net> Tested-by: Kjetil Oftedal <oftedal@gmail.com>
		
			
				
	
	
		
			541 lines
		
	
	
	
		
			11 KiB
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			541 lines
		
	
	
	
		
			11 KiB
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /* memcpy.S: Sparc optimized memcpy and memmove code
 | |
|  * Hand optimized from GNU libc's memcpy and memmove
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|  * Copyright (C) 1991,1996 Free Software Foundation
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|  * Copyright (C) 1995 Linus Torvalds (Linus.Torvalds@helsinki.fi)
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|  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
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|  * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
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|  * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 | |
|  */
 | |
| 
 | |
| #define FUNC(x) 		\
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| 	.globl	x;		\
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| 	.type	x,@function;	\
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| 	.align	4;		\
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| x:
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| 
 | |
| /* Both these macros have to start with exactly the same insn */
 | |
| #define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
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| 	ldd	[%src + (offset) + 0x00], %t0; \
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| 	ldd	[%src + (offset) + 0x08], %t2; \
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| 	ldd	[%src + (offset) + 0x10], %t4; \
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| 	ldd	[%src + (offset) + 0x18], %t6; \
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| 	st	%t0, [%dst + (offset) + 0x00]; \
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| 	st	%t1, [%dst + (offset) + 0x04]; \
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| 	st	%t2, [%dst + (offset) + 0x08]; \
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| 	st	%t3, [%dst + (offset) + 0x0c]; \
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| 	st	%t4, [%dst + (offset) + 0x10]; \
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| 	st	%t5, [%dst + (offset) + 0x14]; \
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| 	st	%t6, [%dst + (offset) + 0x18]; \
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| 	st	%t7, [%dst + (offset) + 0x1c];
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| 
 | |
| #define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
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| 	ldd	[%src + (offset) + 0x00], %t0; \
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| 	ldd	[%src + (offset) + 0x08], %t2; \
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| 	ldd	[%src + (offset) + 0x10], %t4; \
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| 	ldd	[%src + (offset) + 0x18], %t6; \
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| 	std	%t0, [%dst + (offset) + 0x00]; \
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| 	std	%t2, [%dst + (offset) + 0x08]; \
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| 	std	%t4, [%dst + (offset) + 0x10]; \
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| 	std	%t6, [%dst + (offset) + 0x18];
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| 
 | |
| #define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
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| 	ldd	[%src - (offset) - 0x10], %t0; \
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| 	ldd	[%src - (offset) - 0x08], %t2; \
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| 	st	%t0, [%dst - (offset) - 0x10]; \
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| 	st	%t1, [%dst - (offset) - 0x0c]; \
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| 	st	%t2, [%dst - (offset) - 0x08]; \
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| 	st	%t3, [%dst - (offset) - 0x04];
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| 
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| #define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \
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| 	ldd	[%src - (offset) - 0x10], %t0; \
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| 	ldd	[%src - (offset) - 0x08], %t2; \
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| 	std	%t0, [%dst - (offset) - 0x10]; \
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| 	std	%t2, [%dst - (offset) - 0x08];
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| 
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| #define MOVE_SHORTCHUNK(src, dst, offset, t0, t1) \
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| 	ldub	[%src - (offset) - 0x02], %t0; \
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| 	ldub	[%src - (offset) - 0x01], %t1; \
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| 	stb	%t0, [%dst - (offset) - 0x02]; \
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| 	stb	%t1, [%dst - (offset) - 0x01];
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| 
 | |
| /* Both these macros have to start with exactly the same insn */
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| #define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
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| 	ldd	[%src - (offset) - 0x20], %t0; \
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| 	ldd	[%src - (offset) - 0x18], %t2; \
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| 	ldd	[%src - (offset) - 0x10], %t4; \
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| 	ldd	[%src - (offset) - 0x08], %t6; \
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| 	st	%t0, [%dst - (offset) - 0x20]; \
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| 	st	%t1, [%dst - (offset) - 0x1c]; \
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| 	st	%t2, [%dst - (offset) - 0x18]; \
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| 	st	%t3, [%dst - (offset) - 0x14]; \
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| 	st	%t4, [%dst - (offset) - 0x10]; \
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| 	st	%t5, [%dst - (offset) - 0x0c]; \
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| 	st	%t6, [%dst - (offset) - 0x08]; \
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| 	st	%t7, [%dst - (offset) - 0x04];
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| 
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| #define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
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| 	ldd	[%src - (offset) - 0x20], %t0; \
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| 	ldd	[%src - (offset) - 0x18], %t2; \
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| 	ldd	[%src - (offset) - 0x10], %t4; \
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| 	ldd	[%src - (offset) - 0x08], %t6; \
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| 	std	%t0, [%dst - (offset) - 0x20]; \
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| 	std	%t2, [%dst - (offset) - 0x18]; \
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| 	std	%t4, [%dst - (offset) - 0x10]; \
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| 	std	%t6, [%dst - (offset) - 0x08];
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| 
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| #define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
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| 	ldd	[%src + (offset) + 0x00], %t0; \
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| 	ldd	[%src + (offset) + 0x08], %t2; \
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| 	st	%t0, [%dst + (offset) + 0x00]; \
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| 	st	%t1, [%dst + (offset) + 0x04]; \
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| 	st	%t2, [%dst + (offset) + 0x08]; \
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| 	st	%t3, [%dst + (offset) + 0x0c];
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| 
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| #define RMOVE_SHORTCHUNK(src, dst, offset, t0, t1) \
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| 	ldub	[%src + (offset) + 0x00], %t0; \
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| 	ldub	[%src + (offset) + 0x01], %t1; \
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| 	stb	%t0, [%dst + (offset) + 0x00]; \
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| 	stb	%t1, [%dst + (offset) + 0x01];
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| 
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| #define SMOVE_CHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \
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| 	ldd	[%src + (offset) + 0x00], %t0; \
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| 	ldd	[%src + (offset) + 0x08], %t2; \
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| 	srl	%t0, shir, %t5; \
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| 	srl	%t1, shir, %t6; \
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| 	sll	%t0, shil, %t0; \
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| 	or	%t5, %prev, %t5; \
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| 	sll	%t1, shil, %prev; \
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| 	or	%t6, %t0, %t0; \
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| 	srl	%t2, shir, %t1; \
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| 	srl	%t3, shir, %t6; \
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| 	sll	%t2, shil, %t2; \
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| 	or	%t1, %prev, %t1; \
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| 	std	%t4, [%dst + (offset) + (offset2) - 0x04]; \
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| 	std	%t0, [%dst + (offset) + (offset2) + 0x04]; \
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| 	sll	%t3, shil, %prev; \
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| 	or	%t6, %t2, %t4;
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| 
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| #define SMOVE_ALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \
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| 	ldd	[%src + (offset) + 0x00], %t0; \
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| 	ldd	[%src + (offset) + 0x08], %t2; \
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| 	srl	%t0, shir, %t4;	\
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| 	srl	%t1, shir, %t5;	\
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| 	sll	%t0, shil, %t6;	\
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| 	or	%t4, %prev, %t0; \
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| 	sll	%t1, shil, %prev; \
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| 	or	%t5, %t6, %t1; \
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| 	srl	%t2, shir, %t4;	\
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| 	srl	%t3, shir, %t5;	\
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| 	sll	%t2, shil, %t6; \
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| 	or	%t4, %prev, %t2; \
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| 	sll	%t3, shil, %prev; \
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| 	or	%t5, %t6, %t3; \
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| 	std	%t0, [%dst + (offset) + (offset2) + 0x00]; \
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| 	std	%t2, [%dst + (offset) + (offset2) + 0x08];
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| 
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| 	.text
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| 	.align	4
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| 
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| 0:
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| 	retl
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| 	 nop		! Only bcopy returns here and it retuns void...
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| 
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| #ifdef __KERNEL__
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| FUNC(amemmove)
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| FUNC(__memmove)
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| #endif
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| FUNC(memmove)
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| 	cmp		%o0, %o1
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| 	mov		%o0, %g7
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| 	bleu		9f
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| 	 sub		%o0, %o1, %o4
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| 
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| 	add		%o1, %o2, %o3
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| 	cmp		%o3, %o0
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| 	bleu		0f
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| 	 andcc		%o4, 3, %o5
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| 
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| 	add		%o1, %o2, %o1
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| 	add		%o0, %o2, %o0
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| 	sub		%o1, 1, %o1
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| 	sub		%o0, 1, %o0
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| 	
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| 1:	/* reverse_bytes */
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| 
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| 	ldub		[%o1], %o4
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| 	subcc		%o2, 1, %o2
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| 	stb		%o4, [%o0]
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| 	sub		%o1, 1, %o1
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| 	bne		1b
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| 	 sub		%o0, 1, %o0
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| 
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| 	retl
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| 	 mov		%g7, %o0
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| 
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| /* NOTE: This code is executed just for the cases,
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|          where %src (=%o1) & 3 is != 0.
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| 	 We need to align it to 4. So, for (%src & 3)
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| 	 1 we need to do ldub,lduh
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| 	 2 lduh
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| 	 3 just ldub
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|          so even if it looks weird, the branches
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|          are correct here. -jj
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|  */
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| 78:	/* dword_align */
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| 
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| 	andcc		%o1, 1, %g0
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| 	be		4f
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| 	 andcc		%o1, 2, %g0
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| 
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| 	ldub		[%o1], %g2
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| 	add		%o1, 1, %o1
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| 	stb		%g2, [%o0]
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| 	sub		%o2, 1, %o2
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| 	bne		3f
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| 	 add		%o0, 1, %o0
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| 4:
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| 	lduh		[%o1], %g2
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| 	add		%o1, 2, %o1
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| 	sth		%g2, [%o0]
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| 	sub		%o2, 2, %o2
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| 	b		3f
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| 	 add		%o0, 2, %o0
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| 
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| FUNC(memcpy)	/* %o0=dst %o1=src %o2=len */
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| 
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| 	sub		%o0, %o1, %o4
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| 	mov		%o0, %g7
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| 9:
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| 	andcc		%o4, 3, %o5
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| 0:
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| 	bne		86f
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| 	 cmp		%o2, 15
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| 
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| 	bleu		90f
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| 	 andcc		%o1, 3, %g0
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| 
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| 	bne		78b
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| 3:
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| 	 andcc		%o1, 4, %g0
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| 
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| 	be		2f
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| 	 mov		%o2, %g1
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| 
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| 	ld		[%o1], %o4
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| 	sub		%g1, 4, %g1
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| 	st		%o4, [%o0]
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| 	add		%o1, 4, %o1
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| 	add		%o0, 4, %o0
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| 2:
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| 	andcc		%g1, 0xffffff80, %g0
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| 	be		3f
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| 	 andcc		%o0, 4, %g0
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| 
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| 	be		82f + 4
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| 5:
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| 	MOVE_BIGCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5)
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| 	MOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
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| 	MOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
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| 	MOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
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| 	sub		%g1, 128, %g1
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| 	add		%o1, 128, %o1
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| 	cmp		%g1, 128
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| 	bge		5b
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| 	 add		%o0, 128, %o0
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| 3:
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| 	andcc		%g1, 0x70, %g4
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| 	be		80f
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| 	 andcc		%g1, 8, %g0
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| 
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| 	sethi		%hi(80f), %o5
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| 	srl		%g4, 1, %o4
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| 	add		%g4, %o4, %o4
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| 	add		%o1, %g4, %o1
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| 	sub		%o5, %o4, %o5
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| 	jmpl		%o5 + %lo(80f), %g0
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| 	 add		%o0, %g4, %o0
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| 
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| 79:	/* memcpy_table */
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| 
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| 	MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5)
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| 	MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5)
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| 	MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5)
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| 	MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g4, g5)
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| 	MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g4, g5)
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| 	MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5)
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| 	MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5)
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| 
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| 80:	/* memcpy_table_end */
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| 	be		81f
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| 	 andcc		%g1, 4, %g0
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| 
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| 	ldd		[%o1], %g2
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| 	add		%o0, 8, %o0
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| 	st		%g2, [%o0 - 0x08]
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| 	add		%o1, 8, %o1
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| 	st		%g3, [%o0 - 0x04]
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| 
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| 81:	/* memcpy_last7 */
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| 
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| 	be		1f
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| 	 andcc		%g1, 2, %g0
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| 
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| 	ld		[%o1], %g2
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| 	add		%o1, 4, %o1
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| 	st		%g2, [%o0]
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| 	add		%o0, 4, %o0
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| 1:
 | |
| 	be		1f
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| 	 andcc		%g1, 1, %g0
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| 
 | |
| 	lduh		[%o1], %g2
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| 	add		%o1, 2, %o1
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| 	sth		%g2, [%o0]
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| 	add		%o0, 2, %o0
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| 1:
 | |
| 	be		1f
 | |
| 	 nop
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| 
 | |
| 	ldub		[%o1], %g2
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| 	stb		%g2, [%o0]
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| 1:
 | |
| 	retl
 | |
| 	 mov		%g7, %o0
 | |
| 
 | |
| 82:	/* ldd_std */
 | |
| 	MOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5)
 | |
| 	MOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
 | |
| 	MOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
 | |
| 	MOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
 | |
| 	subcc		%g1, 128, %g1
 | |
| 	add		%o1, 128, %o1
 | |
| 	cmp		%g1, 128
 | |
| 	bge		82b
 | |
| 	 add		%o0, 128, %o0
 | |
| 
 | |
| 	andcc		%g1, 0x70, %g4
 | |
| 	be		84f
 | |
| 	 andcc		%g1, 8, %g0
 | |
| 
 | |
| 	sethi		%hi(84f), %o5
 | |
| 	add		%o1, %g4, %o1
 | |
| 	sub		%o5, %g4, %o5
 | |
| 	jmpl		%o5 + %lo(84f), %g0
 | |
| 	 add		%o0, %g4, %o0
 | |
| 
 | |
| 83:	/* amemcpy_table */
 | |
| 
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3, g4, g5)
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3, g4, g5)
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3, g4, g5)
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5)
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5)
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5)
 | |
| 	MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5)
 | |
| 
 | |
| 84:	/* amemcpy_table_end */
 | |
| 	be		85f
 | |
| 	 andcc		%g1, 4, %g0
 | |
| 
 | |
| 	ldd		[%o1], %g2
 | |
| 	add		%o0, 8, %o0
 | |
| 	std		%g2, [%o0 - 0x08]
 | |
| 	add		%o1, 8, %o1
 | |
| 85:	/* amemcpy_last7 */
 | |
| 	be		1f
 | |
| 	 andcc		%g1, 2, %g0
 | |
| 
 | |
| 	ld		[%o1], %g2
 | |
| 	add		%o1, 4, %o1
 | |
| 	st		%g2, [%o0]
 | |
| 	add		%o0, 4, %o0
 | |
| 1:
 | |
| 	be		1f
 | |
| 	 andcc		%g1, 1, %g0
 | |
| 
 | |
| 	lduh		[%o1], %g2
 | |
| 	add		%o1, 2, %o1
 | |
| 	sth		%g2, [%o0]
 | |
| 	add		%o0, 2, %o0
 | |
| 1:
 | |
| 	be		1f
 | |
| 	 nop
 | |
| 
 | |
| 	ldub		[%o1], %g2
 | |
| 	stb		%g2, [%o0]
 | |
| 1:
 | |
| 	retl
 | |
| 	 mov		%g7, %o0
 | |
| 
 | |
| 86:	/* non_aligned */
 | |
| 	cmp		%o2, 6
 | |
| 	bleu		88f
 | |
| 	 nop
 | |
| 
 | |
| 	save		%sp, -96, %sp
 | |
| 	andcc		%i0, 3, %g0
 | |
| 	be		61f
 | |
| 	 andcc		%i0, 1, %g0
 | |
| 	be		60f
 | |
| 	 andcc		%i0, 2, %g0
 | |
| 
 | |
| 	ldub		[%i1], %g5
 | |
| 	add		%i1, 1, %i1
 | |
| 	stb		%g5, [%i0]
 | |
| 	sub		%i2, 1, %i2
 | |
| 	bne		61f
 | |
| 	 add		%i0, 1, %i0
 | |
| 60:
 | |
| 	ldub		[%i1], %g3
 | |
| 	add		%i1, 2, %i1
 | |
| 	stb		%g3, [%i0]
 | |
| 	sub		%i2, 2, %i2
 | |
| 	ldub		[%i1 - 1], %g3
 | |
| 	add		%i0, 2, %i0
 | |
| 	stb		%g3, [%i0 - 1]
 | |
| 61:
 | |
| 	and		%i1, 3, %g2
 | |
| 	and		%i2, 0xc, %g3
 | |
| 	and		%i1, -4, %i1
 | |
| 	cmp		%g3, 4
 | |
| 	sll		%g2, 3, %g4
 | |
| 	mov		32, %g2
 | |
| 	be		4f
 | |
| 	 sub		%g2, %g4, %l0
 | |
| 	
 | |
| 	blu		3f
 | |
| 	 cmp		%g3, 0x8
 | |
| 
 | |
| 	be		2f
 | |
| 	 srl		%i2, 2, %g3
 | |
| 
 | |
| 	ld		[%i1], %i3
 | |
| 	add		%i0, -8, %i0
 | |
| 	ld		[%i1 + 4], %i4
 | |
| 	b		8f
 | |
| 	 add		%g3, 1, %g3
 | |
| 2:
 | |
| 	ld		[%i1], %i4
 | |
| 	add		%i0, -12, %i0
 | |
| 	ld		[%i1 + 4], %i5
 | |
| 	add		%g3, 2, %g3
 | |
| 	b		9f
 | |
| 	 add		%i1, -4, %i1
 | |
| 3:
 | |
| 	ld		[%i1], %g1
 | |
| 	add		%i0, -4, %i0
 | |
| 	ld		[%i1 + 4], %i3
 | |
| 	srl		%i2, 2, %g3
 | |
| 	b		7f
 | |
| 	 add		%i1, 4, %i1
 | |
| 4:
 | |
| 	ld		[%i1], %i5
 | |
| 	cmp		%i2, 7
 | |
| 	ld		[%i1 + 4], %g1
 | |
| 	srl		%i2, 2, %g3
 | |
| 	bleu		10f
 | |
| 	 add		%i1, 8, %i1
 | |
| 
 | |
| 	ld		[%i1], %i3
 | |
| 	add		%g3, -1, %g3
 | |
| 5:
 | |
| 	sll		%i5, %g4, %g2
 | |
| 	srl		%g1, %l0, %g5
 | |
| 	or		%g2, %g5, %g2
 | |
| 	st		%g2, [%i0]
 | |
| 7:
 | |
| 	ld		[%i1 + 4], %i4
 | |
| 	sll		%g1, %g4, %g2
 | |
| 	srl		%i3, %l0, %g5
 | |
| 	or		%g2, %g5, %g2
 | |
| 	st		%g2, [%i0 + 4]
 | |
| 8:
 | |
| 	ld		[%i1 + 8], %i5
 | |
| 	sll		%i3, %g4, %g2
 | |
| 	srl		%i4, %l0, %g5
 | |
| 	or		%g2, %g5, %g2
 | |
| 	st		%g2, [%i0 + 8]
 | |
| 9:
 | |
| 	ld		[%i1 + 12], %g1
 | |
| 	sll		%i4, %g4, %g2
 | |
| 	srl		%i5, %l0, %g5
 | |
| 	addcc		%g3, -4, %g3
 | |
| 	or		%g2, %g5, %g2
 | |
| 	add		%i1, 16, %i1
 | |
| 	st		%g2, [%i0 + 12]
 | |
| 	add		%i0, 16, %i0
 | |
| 	bne,a		5b
 | |
| 	 ld		[%i1], %i3
 | |
| 10:
 | |
| 	sll		%i5, %g4, %g2
 | |
| 	srl		%g1, %l0, %g5
 | |
| 	srl		%l0, 3, %g3
 | |
| 	or		%g2, %g5, %g2
 | |
| 	sub		%i1, %g3, %i1
 | |
| 	andcc		%i2, 2, %g0
 | |
| 	st		%g2, [%i0]
 | |
| 	be		1f
 | |
| 	 andcc		%i2, 1, %g0
 | |
| 
 | |
| 	ldub		[%i1], %g2
 | |
| 	add		%i1, 2, %i1
 | |
| 	stb		%g2, [%i0 + 4]
 | |
| 	add		%i0, 2, %i0
 | |
| 	ldub		[%i1 - 1], %g2
 | |
| 	stb		%g2, [%i0 + 3]
 | |
| 1:
 | |
| 	be		1f
 | |
| 	 nop
 | |
| 	ldub		[%i1], %g2
 | |
| 	stb		%g2, [%i0 + 4]
 | |
| 1:
 | |
| 	ret
 | |
| 	 restore	%g7, %g0, %o0
 | |
| 
 | |
| 88:	/* short_end */
 | |
| 
 | |
| 	and		%o2, 0xe, %o3
 | |
| 20:
 | |
| 	sethi		%hi(89f), %o5
 | |
| 	sll		%o3, 3, %o4
 | |
| 	add		%o0, %o3, %o0
 | |
| 	sub		%o5, %o4, %o5
 | |
| 	add		%o1, %o3, %o1
 | |
| 	jmpl		%o5 + %lo(89f), %g0
 | |
| 	 andcc		%o2, 1, %g0
 | |
| 
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3)
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3)
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3)
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3)
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3)
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3)
 | |
| 	MOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3)
 | |
| 
 | |
| 89:	/* short_table_end */
 | |
| 
 | |
| 	be		1f
 | |
| 	 nop
 | |
| 
 | |
| 	ldub		[%o1], %g2
 | |
| 	stb		%g2, [%o0]
 | |
| 1:
 | |
| 	retl
 | |
| 	 mov		%g7, %o0
 | |
| 
 | |
| 90:	/* short_aligned_end */
 | |
| 	bne		88b
 | |
| 	 andcc		%o2, 8, %g0
 | |
| 
 | |
| 	be		1f
 | |
| 	 andcc		%o2, 4, %g0
 | |
| 
 | |
| 	ld		[%o1 + 0x00], %g2
 | |
| 	ld		[%o1 + 0x04], %g3
 | |
| 	add		%o1, 8, %o1
 | |
| 	st		%g2, [%o0 + 0x00]
 | |
| 	st		%g3, [%o0 + 0x04]
 | |
| 	add		%o0, 8, %o0
 | |
| 1:
 | |
| 	b		81b
 | |
| 	 mov		%o2, %g1
 |