diff options
Diffstat (limited to 'arch/sparc64/lib/U1memcpy.S')
| -rw-r--r-- | arch/sparc64/lib/U1memcpy.S | 563 |
1 files changed, 0 insertions, 563 deletions
diff --git a/arch/sparc64/lib/U1memcpy.S b/arch/sparc64/lib/U1memcpy.S deleted file mode 100644 index bafd2fc07ac..00000000000 --- a/arch/sparc64/lib/U1memcpy.S +++ /dev/null @@ -1,563 +0,0 @@ -/* U1memcpy.S: UltraSPARC-I/II/IIi/IIe optimized memcpy. - * - * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com) - * Copyright (C) 1996, 1997, 1998, 1999 Jakub Jelinek (jj@ultra.linux.cz) - */ - -#ifdef __KERNEL__ -#include <asm/visasm.h> -#include <asm/asi.h> -#define GLOBAL_SPARE g7 -#else -#define GLOBAL_SPARE g5 -#define ASI_BLK_P 0xf0 -#define FPRS_FEF 0x04 -#ifdef MEMCPY_DEBUG -#define VISEntry rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs; \ - clr %g1; clr %g2; clr %g3; subcc %g0, %g0, %g0; -#define VISExit and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs -#else -#define VISEntry rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs -#define VISExit and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs -#endif -#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 LOAD_BLK -#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest -#endif - -#ifndef STORE -#define STORE(type,src,addr) type src, [addr] -#endif - -#ifndef STORE_BLK -#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P -#endif - -#ifndef FUNC_NAME -#define FUNC_NAME memcpy -#endif - -#ifndef PREAMBLE -#define PREAMBLE -#endif - -#ifndef XCC -#define XCC xcc -#endif - -#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9) \ - faligndata %f1, %f2, %f48; \ - faligndata %f2, %f3, %f50; \ - faligndata %f3, %f4, %f52; \ - faligndata %f4, %f5, %f54; \ - faligndata %f5, %f6, %f56; \ - faligndata %f6, %f7, %f58; \ - faligndata %f7, %f8, %f60; \ - faligndata %f8, %f9, %f62; - -#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \ - EX_LD(LOAD_BLK(%src, %fdest)); \ - EX_ST(STORE_BLK(%fsrc, %dest)); \ - add %src, 0x40, %src; \ - subcc %len, 0x40, %len; \ - be,pn %xcc, jmptgt; \ - add %dest, 0x40, %dest; \ - -#define LOOP_CHUNK1(src, dest, len, branch_dest) \ - MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest) -#define LOOP_CHUNK2(src, dest, len, branch_dest) \ - MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest) -#define LOOP_CHUNK3(src, dest, len, branch_dest) \ - MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest) - -#define DO_SYNC membar #Sync; -#define STORE_SYNC(dest, fsrc) \ - EX_ST(STORE_BLK(%fsrc, %dest)); \ - add %dest, 0x40, %dest; \ - DO_SYNC - -#define STORE_JUMP(dest, fsrc, target) \ - EX_ST(STORE_BLK(%fsrc, %dest)); \ - add %dest, 0x40, %dest; \ - ba,pt %xcc, target; \ - nop; - -#define FINISH_VISCHUNK(dest, f0, f1, left) \ - subcc %left, 8, %left;\ - bl,pn %xcc, 95f; \ - faligndata %f0, %f1, %f48; \ - EX_ST(STORE(std, %f48, %dest)); \ - add %dest, 8, %dest; - -#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ - subcc %left, 8, %left; \ - bl,pn %xcc, 95f; \ - fsrc1 %f0, %f1; - -#define UNEVEN_VISCHUNK(dest, f0, f1, left) \ - UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ - ba,a,pt %xcc, 93f; - - .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, %o4 - cmp %o2, 0 - be,pn %XCC, 85f - or %o0, %o1, %o3 - cmp %o2, 16 - blu,a,pn %XCC, 80f - or %o3, %o2, %o3 - - cmp %o2, (5 * 64) - blu,pt %XCC, 70f - andcc %o3, 0x7, %g0 - - /* Clobbers o5/g1/g2/g3/g7/icc/xcc. */ - VISEntry - - /* Is 'dst' already aligned on an 64-byte boundary? */ - andcc %o0, 0x3f, %g2 - be,pt %XCC, 2f - - /* Compute abs((dst & 0x3f) - 0x40) into %g2. This is the number - * of bytes to copy to make 'dst' 64-byte aligned. We pre- - * subtract this from 'len'. - */ - sub %o0, %o1, %GLOBAL_SPARE - sub %g2, 0x40, %g2 - sub %g0, %g2, %g2 - sub %o2, %g2, %o2 - andcc %g2, 0x7, %g1 - be,pt %icc, 2f - and %g2, 0x38, %g2 - -1: subcc %g1, 0x1, %g1 - EX_LD(LOAD(ldub, %o1 + 0x00, %o3)) - EX_ST(STORE(stb, %o3, %o1 + %GLOBAL_SPARE)) - bgu,pt %XCC, 1b - add %o1, 0x1, %o1 - - add %o1, %GLOBAL_SPARE, %o0 - -2: cmp %g2, 0x0 - and %o1, 0x7, %g1 - be,pt %icc, 3f - alignaddr %o1, %g0, %o1 - - EX_LD(LOAD(ldd, %o1, %f4)) -1: EX_LD(LOAD(ldd, %o1 + 0x8, %f6)) - add %o1, 0x8, %o1 - subcc %g2, 0x8, %g2 - faligndata %f4, %f6, %f0 - EX_ST(STORE(std, %f0, %o0)) - be,pn %icc, 3f - add %o0, 0x8, %o0 - - EX_LD(LOAD(ldd, %o1 + 0x8, %f4)) - add %o1, 0x8, %o1 - subcc %g2, 0x8, %g2 - faligndata %f6, %f4, %f0 - EX_ST(STORE(std, %f0, %o0)) - bne,pt %icc, 1b - add %o0, 0x8, %o0 - - /* Destination is 64-byte aligned. */ -3: - membar #LoadStore | #StoreStore | #StoreLoad - - subcc %o2, 0x40, %GLOBAL_SPARE - add %o1, %g1, %g1 - andncc %GLOBAL_SPARE, (0x40 - 1), %GLOBAL_SPARE - srl %g1, 3, %g2 - sub %o2, %GLOBAL_SPARE, %g3 - andn %o1, (0x40 - 1), %o1 - and %g2, 7, %g2 - andncc %g3, 0x7, %g3 - fmovd %f0, %f2 - sub %g3, 0x8, %g3 - sub %o2, %GLOBAL_SPARE, %o2 - - add %g1, %GLOBAL_SPARE, %g1 - subcc %o2, %g3, %o2 - - EX_LD(LOAD_BLK(%o1, %f0)) - add %o1, 0x40, %o1 - add %g1, %g3, %g1 - EX_LD(LOAD_BLK(%o1, %f16)) - add %o1, 0x40, %o1 - sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE - EX_LD(LOAD_BLK(%o1, %f32)) - add %o1, 0x40, %o1 - - /* There are 8 instances of the unrolled loop, - * one for each possible alignment of the - * source buffer. Each loop instance is 452 - * bytes. - */ - sll %g2, 3, %o3 - sub %o3, %g2, %o3 - sllx %o3, 4, %o3 - add %o3, %g2, %o3 - sllx %o3, 2, %g2 -1: rd %pc, %o3 - add %o3, %lo(1f - 1b), %o3 - jmpl %o3 + %g2, %g0 - nop - - .align 64 -1: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f0, %f2, %f48 -1: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) - STORE_SYNC(o0, f48) - FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) - STORE_JUMP(o0, f48, 40f) -2: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) - STORE_SYNC(o0, f48) - FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) - STORE_JUMP(o0, f48, 48f) -3: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) - STORE_SYNC(o0, f48) - FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) - STORE_JUMP(o0, f48, 56f) - -1: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f2, %f4, %f48 -1: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) - STORE_SYNC(o0, f48) - FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) - STORE_JUMP(o0, f48, 41f) -2: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) - STORE_SYNC(o0, f48) - FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) - STORE_JUMP(o0, f48, 49f) -3: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) - STORE_SYNC(o0, f48) - FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) - STORE_JUMP(o0, f48, 57f) - -1: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f4, %f6, %f48 -1: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) - STORE_SYNC(o0, f48) - FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) - STORE_JUMP(o0, f48, 42f) -2: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) - STORE_SYNC(o0, f48) - FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) - STORE_JUMP(o0, f48, 50f) -3: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) - STORE_SYNC(o0, f48) - FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) - STORE_JUMP(o0, f48, 58f) - -1: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f6, %f8, %f48 -1: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) - STORE_SYNC(o0, f48) - FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) - STORE_JUMP(o0, f48, 43f) -2: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) - STORE_SYNC(o0, f48) - FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) - STORE_JUMP(o0, f48, 51f) -3: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) - STORE_SYNC(o0, f48) - FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) - STORE_JUMP(o0, f48, 59f) - -1: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f8, %f10, %f48 -1: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) - STORE_SYNC(o0, f48) - FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) - STORE_JUMP(o0, f48, 44f) -2: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) - STORE_SYNC(o0, f48) - FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) - STORE_JUMP(o0, f48, 52f) -3: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) - STORE_SYNC(o0, f48) - FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) - STORE_JUMP(o0, f48, 60f) - -1: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f10, %f12, %f48 -1: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) - STORE_SYNC(o0, f48) - FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) - STORE_JUMP(o0, f48, 45f) -2: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) - STORE_SYNC(o0, f48) - FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) - STORE_JUMP(o0, f48, 53f) -3: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) - STORE_SYNC(o0, f48) - FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) - STORE_JUMP(o0, f48, 61f) - -1: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f12, %f14, %f48 -1: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) - STORE_SYNC(o0, f48) - FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) - STORE_JUMP(o0, f48, 46f) -2: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) - STORE_SYNC(o0, f48) - FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) - STORE_JUMP(o0, f48, 54f) -3: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) - STORE_SYNC(o0, f48) - FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) - STORE_JUMP(o0, f48, 62f) - -1: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) - FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) - FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) - ba,pt %xcc, 1b+4 - faligndata %f14, %f16, %f48 -1: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) - STORE_SYNC(o0, f48) - FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) - STORE_JUMP(o0, f48, 47f) -2: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) - STORE_SYNC(o0, f48) - FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) - STORE_JUMP(o0, f48, 55f) -3: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) - STORE_SYNC(o0, f48) - FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) - STORE_JUMP(o0, f48, 63f) - -40: FINISH_VISCHUNK(o0, f0, f2, g3) -41: FINISH_VISCHUNK(o0, f2, f4, g3) -42: FINISH_VISCHUNK(o0, f4, f6, g3) -43: FINISH_VISCHUNK(o0, f6, f8, g3) -44: FINISH_VISCHUNK(o0, f8, f10, g3) -45: FINISH_VISCHUNK(o0, f10, f12, g3) -46: FINISH_VISCHUNK(o0, f12, f14, g3) -47: UNEVEN_VISCHUNK(o0, f14, f0, g3) -48: FINISH_VISCHUNK(o0, f16, f18, g3) -49: FINISH_VISCHUNK(o0, f18, f20, g3) -50: FINISH_VISCHUNK(o0, f20, f22, g3) -51: FINISH_VISCHUNK(o0, f22, f24, g3) -52: FINISH_VISCHUNK(o0, f24, f26, g3) -53: FINISH_VISCHUNK(o0, f26, f28, g3) -54: FINISH_VISCHUNK(o0, f28, f30, g3) -55: UNEVEN_VISCHUNK(o0, f30, f0, g3) -56: FINISH_VISCHUNK(o0, f32, f34, g3) -57: FINISH_VISCHUNK(o0, f34, f36, g3) -58: FINISH_VISCHUNK(o0, f36, f38, g3) -59: FINISH_VISCHUNK(o0, f38, f40, g3) -60: FINISH_VISCHUNK(o0, f40, f42, g3) -61: FINISH_VISCHUNK(o0, f42, f44, g3) -62: FINISH_VISCHUNK(o0, f44, f46, g3) -63: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3) - -93: EX_LD(LOAD(ldd, %o1, %f2)) - add %o1, 8, %o1 - subcc %g3, 8, %g3 - faligndata %f0, %f2, %f8 - EX_ST(STORE(std, %f8, %o0)) - bl,pn %xcc, 95f - add %o0, 8, %o0 - EX_LD(LOAD(ldd, %o1, %f0)) - add %o1, 8, %o1 - subcc %g3, 8, %g3 - faligndata %f2, %f0, %f8 - EX_ST(STORE(std, %f8, %o0)) - bge,pt %xcc, 93b - add %o0, 8, %o0 - -95: brz,pt %o2, 2f - mov %g1, %o1 - -1: EX_LD(LOAD(ldub, %o1, %o3)) - add %o1, 1, %o1 - subcc %o2, 1, %o2 - EX_ST(STORE(stb, %o3, %o0)) - bne,pt %xcc, 1b - add %o0, 1, %o0 - -2: membar #StoreLoad | #StoreStore - VISExit - retl - mov EX_RETVAL(%o4), %o0 - - .align 64 -70: /* 16 < len <= (5 * 64) */ - bne,pn %XCC, 75f - sub %o0, %o1, %o3 - -72: andn %o2, 0xf, %GLOBAL_SPARE - and %o2, 0xf, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x00, %o5)) - EX_LD(LOAD(ldx, %o1 + 0x08, %g1)) - subcc %GLOBAL_SPARE, 0x10, %GLOBAL_SPARE - EX_ST(STORE(stx, %o5, %o1 + %o3)) - add %o1, 0x8, %o1 - EX_ST(STORE(stx, %g1, %o1 + %o3)) - bgu,pt %XCC, 1b - add %o1, 0x8, %o1 -73: andcc %o2, 0x8, %g0 - be,pt %XCC, 1f - nop - EX_LD(LOAD(ldx, %o1, %o5)) - sub %o2, 0x8, %o2 - EX_ST(STORE(stx, %o5, %o1 + %o3)) - add %o1, 0x8, %o1 -1: andcc %o2, 0x4, %g0 - be,pt %XCC, 1f - nop - EX_LD(LOAD(lduw, %o1, %o5)) - sub %o2, 0x4, %o2 - EX_ST(STORE(stw, %o5, %o1 + %o3)) - add %o1, 0x4, %o1 -1: cmp %o2, 0 - be,pt %XCC, 85f - nop - ba,pt %xcc, 90f - nop - -75: andcc %o0, 0x7, %g1 - sub %g1, 0x8, %g1 - be,pn %icc, 2f - sub %g0, %g1, %g1 - sub %o2, %g1, %o2 - -1: EX_LD(LOAD(ldub, %o1, %o5)) - subcc %g1, 1, %g1 - EX_ST(STORE(stb, %o5, %o1 + %o3)) - bgu,pt %icc, 1b - add %o1, 1, %o1 - -2: add %o1, %o3, %o0 - andcc %o1, 0x7, %g1 - bne,pt %icc, 8f - sll %g1, 3, %g1 - - cmp %o2, 16 - bgeu,pt %icc, 72b - nop - ba,a,pt %xcc, 73b - -8: mov 64, %o3 - andn %o1, 0x7, %o1 - EX_LD(LOAD(ldx, %o1, %g2)) - sub %o3, %g1, %o3 - andn %o2, 0x7, %GLOBAL_SPARE - sllx %g2, %g1, %g2 -1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3)) - subcc %GLOBAL_SPARE, 0x8, %GLOBAL_SPARE - add %o1, 0x8, %o1 - srlx %g3, %o3, %o5 - or %o5, %g2, %o5 - EX_ST(STORE(stx, %o5, %o0)) - add %o0, 0x8, %o0 - bgu,pt %icc, 1b - sllx %g3, %g1, %g2 - - srl %g1, 3, %g1 - andcc %o2, 0x7, %o2 - be,pn %icc, 85f - add %o1, %g1, %o1 - ba,pt %xcc, 90f - sub %o0, %o1, %o3 - - .align 64 -80: /* 0 < len <= 16 */ - andcc %o3, 0x3, %g0 - bne,pn %XCC, 90f - sub %o0, %o1, %o3 - -1: EX_LD(LOAD(lduw, %o1, %g1)) - subcc %o2, 4, %o2 - EX_ST(STORE(stw, %g1, %o1 + %o3)) - bgu,pt %XCC, 1b - add %o1, 4, %o1 - -85: retl - mov EX_RETVAL(%o4), %o0 - - .align 32 -90: EX_LD(LOAD(ldub, %o1, %g1)) - subcc %o2, 1, %o2 - EX_ST(STORE(stb, %g1, %o1 + %o3)) - bgu,pt %XCC, 90b - add %o1, 1, %o1 - retl - mov EX_RETVAL(%o4), %o0 - - .size FUNC_NAME, .-FUNC_NAME |