diff options
Diffstat (limited to 'arch/sparc64/lib/GENmemcpy.S')
-rw-r--r-- | arch/sparc64/lib/GENmemcpy.S | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/sparc64/lib/GENmemcpy.S b/arch/sparc64/lib/GENmemcpy.S deleted file mode 100644 index 89358ee9485..00000000000 --- a/arch/sparc64/lib/GENmemcpy.S +++ /dev/null @@ -1,121 +0,0 @@ -/* GENmemcpy.S: Generic sparc64 memcpy. - * - * Copyright (C) 2007 David S. Miller (davem@davemloft.net) - */ - -#ifdef __KERNEL__ -#define GLOBAL_SPARE %g7 -#else -#define GLOBAL_SPARE %g5 -#endif - -#ifndef EX_LD -#define EX_LD(x) x -#endif - -#ifndef EX_ST -#define EX_ST(x) x -#endif - -#ifndef EX_RETVAL -#define EX_RETVAL(x) x -#endif - -#ifndef LOAD -#define LOAD(type,addr,dest) type [addr], dest -#endif - -#ifndef STORE -#define STORE(type,src,addr) type src, [addr] -#endif - -#ifndef FUNC_NAME -#define FUNC_NAME GENmemcpy -#endif - -#ifndef PREAMBLE -#define PREAMBLE -#endif - -#ifndef XCC -#define XCC xcc -#endif - - .register %g2,#scratch - .register %g3,#scratch - - .text - .align 64 - - .globl FUNC_NAME - .type FUNC_NAME,#function -FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ - srlx %o2, 31, %g2 - cmp %g2, 0 - tne %XCC, 5 - PREAMBLE - mov %o0, GLOBAL_SPARE - - cmp %o2, 0 - be,pn %XCC, 85f - or %o0, %o1, %o3 - cmp %o2, 16 - blu,a,pn %XCC, 80f - or %o3, %o2, %o3 - - xor %o0, %o1, %o4 - andcc %o4, 0x7, %g0 - bne,a,pn %XCC, 90f - sub %o0, %o1, %o3 - - and %o0, 0x7, %o4 - sub %o4, 0x8, %o4 - sub %g0, %o4, %o4 - sub %o2, %o4, %o2 -1: subcc %o4, 1, %o4 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o0)) - add %o1, 1, %o1 - bne,pt %XCC, 1b - add %o0, 1, %o0 - - andn %o2, 0x7, %g1 - sub %o2, %g1, %o2 -1: subcc %g1, 0x8, %g1 - EX_LD(LOAD(ldx, %o1, %g2)) - EX_ST(STORE(stx, %g2, %o0)) - add %o1, 0x8, %o1 - bne,pt %XCC, 1b - add %o0, 0x8, %o0 - - brz,pt %o2, 85f - sub %o0, %o1, %o3 - ba,a,pt %XCC, 90f - - .align 64 -80: /* 0 < len <= 16 */ - andcc %o3, 0x3, %g0 - bne,pn %XCC, 90f - sub %o0, %o1, %o3 - -1: - subcc %o2, 4, %o2 - EX_LD(LOAD(lduw, %o1, %g1)) - EX_ST(STORE(stw, %g1, %o1 + %o3)) - bgu,pt %XCC, 1b - add %o1, 4, %o1 - -85: retl - mov EX_RETVAL(GLOBAL_SPARE), %o0 - - .align 32 -90: - subcc %o2, 1, %o2 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o1 + %o3)) - bgu,pt %XCC, 90b - add %o1, 1, %o1 - retl - mov EX_RETVAL(GLOBAL_SPARE), %o0 - - .size FUNC_NAME, .-FUNC_NAME |