2012-09-26 21:11:01 -07:00
										 
									 
								 
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								/* NG4memcpy.S: Niagara-4 optimized memcpy.
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								 *
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								 * Copyright (C) 2012 David S. Miller (davem@davemloft.net)
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								 */
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								#ifdef __KERNEL__
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								#include <asm/visasm.h>
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								#include <asm/asi.h>
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								#define GLOBAL_SPARE	%g7
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								#else
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								#define ASI_BLK_INIT_QUAD_LDD_P 0xe2
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								#define FPRS_FEF  0x04
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								/* On T4 it is very expensive to access ASRs like %fprs and
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								 * %asi, avoiding a read or a write can save ~50 cycles.
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								 */
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								#define FPU_ENTER			\
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									rd	%fprs, %o5;		\
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									andcc	%o5, FPRS_FEF, %g0;	\
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									be,a,pn	%icc, 999f;		\
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									 wr	%g0, FPRS_FEF, %fprs;	\
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									999:
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								#ifdef MEMCPY_DEBUG
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								#define VISEntryHalf FPU_ENTER; \
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										     clr %g1; clr %g2; clr %g3; clr %g5; subcc %g0, %g0, %g0;
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								#define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
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								#else
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								#define VISEntryHalf FPU_ENTER
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								#define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
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								#endif
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								#define GLOBAL_SPARE	%g5
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								#endif
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								#ifndef STORE_ASI
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								#ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA
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								#define STORE_ASI	ASI_BLK_INIT_QUAD_LDD_P
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								#else
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								#define STORE_ASI	0x80		/* ASI_P */
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								#endif
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								#endif
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								#ifndef EX_LD
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								#define EX_LD(x)	x
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								#endif
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								#ifndef EX_ST
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								#define EX_ST(x)	x
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								#endif
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								#ifndef EX_RETVAL
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								#define EX_RETVAL(x)	x
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								#endif
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								#ifndef LOAD
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								#define LOAD(type,addr,dest)	type [addr], dest
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								#endif
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								#ifndef STORE
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								#ifndef MEMCPY_DEBUG
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								#define STORE(type,src,addr)	type src, [addr]
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								#else
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								#define STORE(type,src,addr)	type##a src, [addr] %asi
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								#endif
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								#endif
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								#ifndef STORE_INIT
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								#define STORE_INIT(src,addr)	stxa src, [addr] STORE_ASI
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								#endif
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								#ifndef FUNC_NAME
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								#define FUNC_NAME	NG4memcpy
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								#endif
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								#ifndef PREAMBLE
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								#define PREAMBLE
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								#endif
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								#ifndef XCC
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								#define XCC xcc
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								#endif
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									.register	%g2,#scratch
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									.register	%g3,#scratch
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									.text
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									.align		64
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									.globl	FUNC_NAME
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									.type	FUNC_NAME,#function
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								FUNC_NAME:	/* %o0=dst, %o1=src, %o2=len */
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								#ifdef MEMCPY_DEBUG
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									wr		%g0, 0x80, %asi
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								#endif
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									srlx		%o2, 31, %g2
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									cmp		%g2, 0
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									tne		%XCC, 5
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									PREAMBLE
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									mov		%o0, %o3
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									brz,pn		%o2, .Lexit
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									 cmp		%o2, 3
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									ble,pn		%icc, .Ltiny
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									 cmp		%o2, 19
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									ble,pn		%icc, .Lsmall
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									 or		%o0, %o1, %g2
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									cmp		%o2, 128
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									bl,pn		%icc, .Lmedium
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									 nop
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								.Llarge:/* len >= 0x80 */
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									/* First get dest 8 byte aligned.  */
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									sub		%g0, %o0, %g1
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									and		%g1, 0x7, %g1
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									brz,pt		%g1, 51f
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									 sub		%o2, %g1, %o2
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											2012-09-26 21:11:01 -07:00
										 
									 
								 
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								1:	EX_LD(LOAD(ldub, %o1 + 0x00, %g2))
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									add		%o1, 1, %o1
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									subcc		%g1, 1, %g1
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									add		%o0, 1, %o0
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									bne,pt		%icc, 1b
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									 EX_ST(STORE(stb, %g2, %o0 - 0x01))
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								51:	LOAD(prefetch, %o1 + 0x040, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x080, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x0c0, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x100, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x140, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x180, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x1c0, #n_reads_strong)
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									LOAD(prefetch, %o1 + 0x200, #n_reads_strong)
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									/* Check if we can use the straight fully aligned
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									 * loop, or we require the alignaddr/faligndata variant.
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									 */
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									andcc		%o1, 0x7, %o5
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									bne,pn		%icc, .Llarge_src_unaligned
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									 sub		%g0, %o0, %g1
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									/* Legitimize the use of initializing stores by getting dest
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									 * to be 64-byte aligned.
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									 */
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									and		%g1, 0x3f, %g1
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									brz,pt		%g1, .Llarge_aligned
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									 sub		%o2, %g1, %o2
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											2012-09-26 21:11:01 -07:00
										 
									 
								 
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								1:	EX_LD(LOAD(ldx, %o1 + 0x00, %g2))
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									add		%o1, 8, %o1
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									subcc		%g1, 8, %g1
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									add		%o0, 8, %o0
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									bne,pt		%icc, 1b
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 EX_ST(STORE(stx, %g2, %o0 - 0x08))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								.Llarge_aligned:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									/* len >= 0x80 && src 8-byte aligned && dest 8-byte aligned */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									andn		%o2, 0x3f, %o4
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									sub		%o2, %o4, %o2
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								1:	EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o1, 0x40, %o1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x38, %g2))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									subcc		%o4, 0x40, %o4
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x30, %g3))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x20, %o5))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(%g1, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(%g2, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x18, %g2))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(%g3, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x10, %g3))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(GLOBAL_SPARE, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(%o5, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(%g2, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(%g3, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE_INIT(GLOBAL_SPARE, %o0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bne,pt		%icc, 1b
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 LOAD(prefetch, %o1 + 0x200, #n_reads_strong)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									membar		#StoreLoad | #StoreStore
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									brz,pn		%o2, .Lexit
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 cmp		%o2, 19
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									ble,pn		%icc, .Lsmall_unaligned
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 nop
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									ba,a,pt		%icc, .Lmedium_noprefetch
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								.Lexit:	retl
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 mov		EX_RETVAL(%o3), %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								.Llarge_src_unaligned:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									andn		%o2, 0x3f, %o4
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									sub		%o2, %o4, %o2
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									VISEntryHalf
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									alignaddr	%o1, %g0, %g1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o1, %o4, %o1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x00, %f0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								1:	EX_LD(LOAD(ldd, %g1 + 0x08, %f2))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									subcc		%o4, 0x40, %o4
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x10, %f4))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x18, %f6))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x20, %f8))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x28, %f10))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x30, %f12))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x38, %f14))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f0, %f2, %f16
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldd, %g1 + 0x40, %f0))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f2, %f4, %f18
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%g1, 0x40, %g1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f4, %f6, %f20
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f6, %f8, %f22
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f8, %f10, %f24
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f10, %f12, %f26
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f12, %f14, %f28
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									faligndata	%f14, %f0, %f30
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f16, %o0 + 0x00))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f18, %o0 + 0x08))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f20, %o0 + 0x10))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f22, %o0 + 0x18))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f24, %o0 + 0x20))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f26, %o0 + 0x28))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f28, %o0 + 0x30))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(std, %f30, %o0 + 0x38))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x40, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bne,pt		%icc, 1b
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 LOAD(prefetch, %g1 + 0x200, #n_reads_strong)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									VISExitHalf
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									brz,pn		%o2, .Lexit
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 cmp		%o2, 19
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									ble,pn		%icc, .Lsmall_unaligned
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 nop
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									ba,a,pt		%icc, .Lmedium_unaligned
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								.Lmedium:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									LOAD(prefetch, %o1 + 0x40, #n_reads_strong)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									andcc		%g2, 0x7, %g0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bne,pn		%icc, .Lmedium_unaligned
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 nop
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								.Lmedium_noprefetch:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									andncc		%o2, 0x20 - 1, %o5
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									be,pn		%icc, 2f
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 sub		%o2, %o5, %o2
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								1:	EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 + 0x08, %g2))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(ldx, %o1 + 0x18, %o4))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o1, 0x20, %o1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									subcc		%o5, 0x20, %o5
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(stx, %g1, %o0 + 0x00))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(stx, %g2, %o0 + 0x08))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_ST(STORE(stx, %o4, %o0 + 0x18))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bne,pt		%icc, 1b
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 add		%o0, 0x20, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								2:	andcc		%o2, 0x18, %o5
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									be,pt		%icc, 3f
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 sub		%o2, %o5, %o2
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								1:	EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o1, 0x08, %o1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x08, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									subcc		%o5, 0x08, %o5
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bne,pt		%icc, 1b
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 EX_ST(STORE(stx, %g1, %o0 - 0x08))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								3:	brz,pt		%o2, .Lexit
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 cmp		%o2, 0x04
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bl,pn		%icc, .Ltiny
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 nop
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									EX_LD(LOAD(lduw, %o1 + 0x00, %g1))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o1, 0x04, %o1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									add		%o0, 0x04, %o0
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									subcc		%o2, 0x04, %o2
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									bne,pn		%icc, .Ltiny
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 EX_ST(STORE(stw, %g1, %o0 - 0x04))
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									ba,a,pt		%icc, .Lexit
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								.Lmedium_unaligned:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									/* First get dest 8 byte aligned.  */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									sub		%g0, %o0, %g1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									and		%g1, 0x7, %g1
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									brz,pt		%g1, 2f
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									 sub		%o2, %g1, %o2
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											2012-09-28 13:08:22 -07:00
										 
									 
								 
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											2012-09-26 21:11:01 -07:00
										 
									 
								 
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								1:	EX_LD(LOAD(ldub, %o1 + 0x00, %g2))
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									add		%o1, 1, %o1
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									subcc		%g1, 1, %g1
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									add		%o0, 1, %o0
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									bne,pt		%icc, 1b
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									 EX_ST(STORE(stb, %g2, %o0 - 0x01))
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								2:
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									and		%o1, 0x7, %g1
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									brz,pn		%g1, .Lmedium_noprefetch
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									 sll		%g1, 3, %g1
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									mov		64, %g2
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									sub		%g2, %g1, %g2
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									andn		%o1, 0x7, %o1
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									EX_LD(LOAD(ldx, %o1 + 0x00, %o4))
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									sllx		%o4, %g1, %o4
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									andn		%o2, 0x08 - 1, %o5
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									sub		%o2, %o5, %o2
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								1:	EX_LD(LOAD(ldx, %o1 + 0x08, %g3))
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									add		%o1, 0x08, %o1
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									subcc		%o5, 0x08, %o5
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									srlx		%g3, %g2, GLOBAL_SPARE
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									or		GLOBAL_SPARE, %o4, GLOBAL_SPARE
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									EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00))
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									add		%o0, 0x08, %o0
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									bne,pt		%icc, 1b
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									 sllx		%g3, %g1, %o4
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									srl		%g1, 3, %g1
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									add		%o1, %g1, %o1
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									brz,pn		%o2, .Lexit
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									 nop
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									ba,pt		%icc, .Lsmall_unaligned
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								.Ltiny:
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									EX_LD(LOAD(ldub, %o1 + 0x00, %g1))
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									subcc		%o2, 1, %o2
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									be,pn		%icc, .Lexit
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									 EX_ST(STORE(stb, %g1, %o0 + 0x00))
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									EX_LD(LOAD(ldub, %o1 + 0x01, %g1))
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									subcc		%o2, 1, %o2
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									be,pn		%icc, .Lexit
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									 EX_ST(STORE(stb, %g1, %o0 + 0x01))
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									EX_LD(LOAD(ldub, %o1 + 0x02, %g1))
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									ba,pt		%icc, .Lexit
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									 EX_ST(STORE(stb, %g1, %o0 + 0x02))
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								.Lsmall:
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									andcc		%g2, 0x3, %g0
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									bne,pn		%icc, .Lsmall_unaligned
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									 andn		%o2, 0x4 - 1, %o5
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									sub		%o2, %o5, %o2
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								1:
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									EX_LD(LOAD(lduw, %o1 + 0x00, %g1))
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									add		%o1, 0x04, %o1
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									subcc		%o5, 0x04, %o5
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									add		%o0, 0x04, %o0
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									bne,pt		%icc, 1b
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									 EX_ST(STORE(stw, %g1, %o0 - 0x04))
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									brz,pt		%o2, .Lexit
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									 nop
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									ba,a,pt		%icc, .Ltiny
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								.Lsmall_unaligned:
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								1:	EX_LD(LOAD(ldub, %o1 + 0x00, %g1))
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									add		%o1, 1, %o1
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									add		%o0, 1, %o0
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									subcc		%o2, 1, %o2
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									bne,pt		%icc, 1b
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									 EX_ST(STORE(stb, %g1, %o0 - 0x01))
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									ba,a,pt		%icc, .Lexit
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									.size		FUNC_NAME, .-FUNC_NAME
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