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glibc/sysdeps/sparc/sparc64/memcpy.S
Joseph Myers bfff8b1bec Update copyright dates with scripts/update-copyrights.
2017-01-01 00:14:16 +00:00

581 lines
23 KiB
ArmAsm
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/* Copy SIZE bytes from SRC to DEST.
For UltraSPARC.
Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@caip.rutgers.edu) and
Jakub Jelinek (jakub@redhat.com).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <asm/asi.h>
#ifndef XCC
#define USE_BPR
.register %g2, #scratch
.register %g3, #scratch
.register %g6, #scratch
#define XCC xcc
#endif
#define FPRS_FEF 4
#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) \
ldda [%src] %asi, %fdest; \
add %src, 0x40, %src; \
add %dest, 0x40, %dest; \
subcc %len, 0x40, %len; \
be,pn %xcc, jmptgt; \
stda %fsrc, [%dest - 0x40] %asi;
#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 STORE_SYNC(dest, fsrc) \
stda %fsrc, [%dest] %asi; \
add %dest, 0x40, %dest;
#define STORE_JUMP(dest, fsrc, target) \
stda %fsrc, [%dest] %asi; \
add %dest, 0x40, %dest; \
ba,pt %xcc, target;
#define VISLOOP_PAD nop; nop; nop; nop; \
nop; nop; nop; nop; \
nop; nop; nop; nop; \
nop; nop; nop;
#define FINISH_VISCHUNK(dest, f0, f1, left) \
subcc %left, 8, %left; \
bl,pn %xcc, 205f; \
faligndata %f0, %f1, %f48; \
std %f48, [%dest]; \
add %dest, 8, %dest;
#define UNEVEN_VISCHUNK(dest, f0, f1, left) \
subcc %left, 8, %left; \
bl,pn %xcc, 205f; \
fsrc2 %f0, %f1; \
ba,a,pt %xcc, 204f;
/* Macros for non-VIS memcpy code. */
#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \
ldx [%src + offset + 0x00], %t0; \
ldx [%src + offset + 0x08], %t1; \
ldx [%src + offset + 0x10], %t2; \
ldx [%src + offset + 0x18], %t3; \
stw %t0, [%dst + offset + 0x04]; \
srlx %t0, 32, %t0; \
stw %t0, [%dst + offset + 0x00]; \
stw %t1, [%dst + offset + 0x0c]; \
srlx %t1, 32, %t1; \
stw %t1, [%dst + offset + 0x08]; \
stw %t2, [%dst + offset + 0x14]; \
srlx %t2, 32, %t2; \
stw %t2, [%dst + offset + 0x10]; \
stw %t3, [%dst + offset + 0x1c]; \
srlx %t3, 32, %t3; \
stw %t3, [%dst + offset + 0x18];
#define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \
ldx [%src + offset + 0x00], %t0; \
ldx [%src + offset + 0x08], %t1; \
ldx [%src + offset + 0x10], %t2; \
ldx [%src + offset + 0x18], %t3; \
stx %t0, [%dst + offset + 0x00]; \
stx %t1, [%dst + offset + 0x08]; \
stx %t2, [%dst + offset + 0x10]; \
stx %t3, [%dst + offset + 0x18]; \
ldx [%src + offset + 0x20], %t0; \
ldx [%src + offset + 0x28], %t1; \
ldx [%src + offset + 0x30], %t2; \
ldx [%src + offset + 0x38], %t3; \
stx %t0, [%dst + offset + 0x20]; \
stx %t1, [%dst + offset + 0x28]; \
stx %t2, [%dst + offset + 0x30]; \
stx %t3, [%dst + offset + 0x38];
#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
ldx [%src - offset - 0x10], %t0; \
ldx [%src - offset - 0x08], %t1; \
stw %t0, [%dst - offset - 0x0c]; \
srlx %t0, 32, %t2; \
stw %t2, [%dst - offset - 0x10]; \
stw %t1, [%dst - offset - 0x04]; \
srlx %t1, 32, %t3; \
stw %t3, [%dst - offset - 0x08];
#define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \
ldx [%src - offset - 0x10], %t0; \
ldx [%src - offset - 0x08], %t1; \
stx %t0, [%dst - offset - 0x10]; \
stx %t1, [%dst - offset - 0x08];
.text
.align 32
ENTRY(__memcpy_large)
200: be,pt %xcc, 201f /* CTI */
andcc %o0, 0x38, %g5 /* IEU1 Group */
mov 8, %g1 /* IEU0 */
sub %g1, %g2, %g2 /* IEU0 Group */
andcc %o0, 1, %g0 /* IEU1 */
be,pt %icc, 2f /* CTI */
sub %o2, %g2, %o2 /* IEU0 Group */
1: ldub [%o1], %o5 /* Load Group */
add %o1, 1, %o1 /* IEU0 */
add %o0, 1, %o0 /* IEU1 */
subcc %g2, 1, %g2 /* IEU1 Group */
be,pn %xcc, 3f /* CTI */
stb %o5, [%o0 - 1] /* Store */
2: ldub [%o1], %o5 /* Load Group */
add %o0, 2, %o0 /* IEU0 */
ldub [%o1 + 1], %g3 /* Load Group */
subcc %g2, 2, %g2 /* IEU1 Group */
stb %o5, [%o0 - 2] /* Store */
add %o1, 2, %o1 /* IEU0 */
bne,pt %xcc, 2b /* CTI Group */
stb %g3, [%o0 - 1] /* Store */
3: andcc %o0, 0x38, %g5 /* IEU1 Group */
201: be,pt %icc, 202f /* CTI */
mov 64, %g1 /* IEU0 */
fsrc2 %f0, %f2 /* FPU */
sub %g1, %g5, %g5 /* IEU0 Group */
alignaddr %o1, %g0, %g1 /* GRU Group */
ldd [%g1], %f4 /* Load Group */
sub %o2, %g5, %o2 /* IEU0 */
1: ldd [%g1 + 0x8], %f6 /* Load Group */
add %g1, 0x8, %g1 /* IEU0 Group */
subcc %g5, 8, %g5 /* IEU1 */
faligndata %f4, %f6, %f0 /* GRU Group */
std %f0, [%o0] /* Store */
add %o1, 8, %o1 /* IEU0 Group */
be,pn %xcc, 202f /* CTI */
add %o0, 8, %o0 /* IEU1 */
ldd [%g1 + 0x8], %f4 /* Load Group */
add %g1, 8, %g1 /* IEU0 */
subcc %g5, 8, %g5 /* IEU1 */
faligndata %f6, %f4, %f0 /* GRU Group */
std %f0, [%o0] /* Store */
add %o1, 8, %o1 /* IEU0 */
bne,pt %xcc, 1b /* CTI Group */
add %o0, 8, %o0 /* IEU0 */
202: membar #LoadStore | #StoreStore | #StoreLoad /* LSU Group */
wr %g0, ASI_BLK_P, %asi /* LSU Group */
subcc %o2, 0x40, %g6 /* IEU1 Group */
mov %o1, %g1 /* IEU0 */
andncc %g6, (0x40 - 1), %g6 /* IEU1 Group */
srl %g1, 3, %g2 /* IEU0 */
sub %o2, %g6, %g3 /* IEU0 Group */
andn %o1, (0x40 - 1), %o1 /* IEU1 */
and %g2, 7, %g2 /* IEU0 Group */
andncc %g3, 0x7, %g3 /* IEU1 */
fsrc2 %f0, %f2 /* FPU */
sub %g3, 0x10, %g3 /* IEU0 Group */
sub %o2, %g6, %o2 /* IEU1 */
alignaddr %g1, %g0, %g0 /* GRU Group */
add %g1, %g6, %g1 /* IEU0 Group */
subcc %o2, %g3, %o2 /* IEU1 */
ldda [%o1 + 0x00] %asi, %f0 /* LSU Group */
add %g1, %g3, %g1 /* IEU0 */
ldda [%o1 + 0x40] %asi, %f16 /* LSU Group */
sub %g6, 0x80, %g6 /* IEU0 */
ldda [%o1 + 0x80] %asi, %f32 /* LSU Group */
/* Clk1 Group 8-( */
/* Clk2 Group 8-( */
/* Clk3 Group 8-( */
/* Clk4 Group 8-( */
203: rd %pc, %g5 /* PDU Group 8-( */
addcc %g5, %lo(300f - 203b), %g5 /* IEU1 Group */
sll %g2, 9, %g2 /* IEU0 */
jmpl %g5 + %g2, %g0 /* CTI Group brk forced*/
addcc %o1, 0xc0, %o1 /* IEU1 Group */
.align 512 /* OK, here comes the fun part... */
300: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) LOOP_CHUNK1(o1, o0, g6, 301f)
FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) LOOP_CHUNK2(o1, o0, g6, 302f)
FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) LOOP_CHUNK3(o1, o0, g6, 303f)
b,pt %xcc, 300b+4; faligndata %f0, %f2, %f48
301: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) STORE_JUMP(o0, f48, 400f) membar #Sync
302: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_JUMP(o0, f48, 416f) membar #Sync
303: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_JUMP(o0, f48, 432f) membar #Sync
VISLOOP_PAD
310: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) LOOP_CHUNK1(o1, o0, g6, 311f)
FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) LOOP_CHUNK2(o1, o0, g6, 312f)
FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) LOOP_CHUNK3(o1, o0, g6, 313f)
b,pt %xcc, 310b+4; faligndata %f2, %f4, %f48
311: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) STORE_JUMP(o0, f48, 402f) membar #Sync
312: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_JUMP(o0, f48, 418f) membar #Sync
313: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_JUMP(o0, f48, 434f) membar #Sync
VISLOOP_PAD
320: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) LOOP_CHUNK1(o1, o0, g6, 321f)
FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) LOOP_CHUNK2(o1, o0, g6, 322f)
FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) LOOP_CHUNK3(o1, o0, g6, 323f)
b,pt %xcc, 320b+4; faligndata %f4, %f6, %f48
321: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) STORE_JUMP(o0, f48, 404f) membar #Sync
322: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_JUMP(o0, f48, 420f) membar #Sync
323: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_JUMP(o0, f48, 436f) membar #Sync
VISLOOP_PAD
330: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) LOOP_CHUNK1(o1, o0, g6, 331f)
FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) LOOP_CHUNK2(o1, o0, g6, 332f)
FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) LOOP_CHUNK3(o1, o0, g6, 333f)
b,pt %xcc, 330b+4; faligndata %f6, %f8, %f48
331: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) STORE_JUMP(o0, f48, 406f) membar #Sync
332: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_JUMP(o0, f48, 422f) membar #Sync
333: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_JUMP(o0, f48, 438f) membar #Sync
VISLOOP_PAD
340: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) LOOP_CHUNK1(o1, o0, g6, 341f)
FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) LOOP_CHUNK2(o1, o0, g6, 342f)
FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) LOOP_CHUNK3(o1, o0, g6, 343f)
b,pt %xcc, 340b+4; faligndata %f8, %f10, %f48
341: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) STORE_JUMP(o0, f48, 408f) membar #Sync
342: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_JUMP(o0, f48, 424f) membar #Sync
343: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_JUMP(o0, f48, 440f) membar #Sync
VISLOOP_PAD
350: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) LOOP_CHUNK1(o1, o0, g6, 351f)
FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) LOOP_CHUNK2(o1, o0, g6, 352f)
FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) LOOP_CHUNK3(o1, o0, g6, 353f)
b,pt %xcc, 350b+4; faligndata %f10, %f12, %f48
351: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_JUMP(o0, f48, 410f) membar #Sync
352: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_JUMP(o0, f48, 426f) membar #Sync
353: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_JUMP(o0, f48, 442f) membar #Sync
VISLOOP_PAD
360: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) LOOP_CHUNK1(o1, o0, g6, 361f)
FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) LOOP_CHUNK2(o1, o0, g6, 362f)
FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) LOOP_CHUNK3(o1, o0, g6, 363f)
b,pt %xcc, 360b+4; faligndata %f12, %f14, %f48
361: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_JUMP(o0, f48, 412f) membar #Sync
362: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_JUMP(o0, f48, 428f) membar #Sync
363: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_JUMP(o0, f48, 444f) membar #Sync
VISLOOP_PAD
370: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) LOOP_CHUNK1(o1, o0, g6, 371f)
FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) LOOP_CHUNK2(o1, o0, g6, 372f)
FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) LOOP_CHUNK3(o1, o0, g6, 373f)
b,pt %xcc, 370b+4; faligndata %f14, %f16, %f48
371: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_JUMP(o0, f48, 414f) membar #Sync
372: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_JUMP(o0, f48, 430f) membar #Sync
373: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_SYNC(o0, f48) membar #Sync
FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_JUMP(o0, f48, 446f) membar #Sync
VISLOOP_PAD
400: FINISH_VISCHUNK(o0, f0, f2, g3)
402: FINISH_VISCHUNK(o0, f2, f4, g3)
404: FINISH_VISCHUNK(o0, f4, f6, g3)
406: FINISH_VISCHUNK(o0, f6, f8, g3)
408: FINISH_VISCHUNK(o0, f8, f10, g3)
410: FINISH_VISCHUNK(o0, f10, f12, g3)
412: FINISH_VISCHUNK(o0, f12, f14, g3)
414: UNEVEN_VISCHUNK(o0, f14, f0, g3)
416: FINISH_VISCHUNK(o0, f16, f18, g3)
418: FINISH_VISCHUNK(o0, f18, f20, g3)
420: FINISH_VISCHUNK(o0, f20, f22, g3)
422: FINISH_VISCHUNK(o0, f22, f24, g3)
424: FINISH_VISCHUNK(o0, f24, f26, g3)
426: FINISH_VISCHUNK(o0, f26, f28, g3)
428: FINISH_VISCHUNK(o0, f28, f30, g3)
430: UNEVEN_VISCHUNK(o0, f30, f0, g3)
432: FINISH_VISCHUNK(o0, f32, f34, g3)
434: FINISH_VISCHUNK(o0, f34, f36, g3)
436: FINISH_VISCHUNK(o0, f36, f38, g3)
438: FINISH_VISCHUNK(o0, f38, f40, g3)
440: FINISH_VISCHUNK(o0, f40, f42, g3)
442: FINISH_VISCHUNK(o0, f42, f44, g3)
444: FINISH_VISCHUNK(o0, f44, f46, g3)
446: UNEVEN_VISCHUNK(o0, f46, f0, g3)
204: ldd [%o1], %f2 /* Load Group */
add %o1, 8, %o1 /* IEU0 */
subcc %g3, 8, %g3 /* IEU1 */
faligndata %f0, %f2, %f8 /* GRU Group */
std %f8, [%o0] /* Store */
bl,pn %xcc, 205f /* CTI */
add %o0, 8, %o0 /* IEU0 Group */
ldd [%o1], %f0 /* Load Group */
add %o1, 8, %o1 /* IEU0 */
subcc %g3, 8, %g3 /* IEU1 */
faligndata %f2, %f0, %f8 /* GRU Group */
std %f8, [%o0] /* Store */
bge,pt %xcc, 204b /* CTI */
add %o0, 8, %o0 /* IEU0 Group */
205: brz,pt %o2, 207f /* CTI Group */
mov %g1, %o1 /* IEU0 */
206: ldub [%o1], %g5 /* LOAD */
add %o1, 1, %o1 /* IEU0 */
add %o0, 1, %o0 /* IEU1 */
subcc %o2, 1, %o2 /* IEU1 */
bne,pt %xcc, 206b /* CTI */
stb %g5, [%o0 - 1] /* Store Group */
207: membar #StoreLoad | #StoreStore /* LSU Group */
wr %g0, FPRS_FEF, %fprs
retl
mov %g4, %o0
208: andcc %o2, 1, %g0 /* IEU1 Group */
be,pt %icc, 2f+4 /* CTI */
1: ldub [%o1], %g5 /* LOAD Group */
add %o1, 1, %o1 /* IEU0 */
add %o0, 1, %o0 /* IEU1 */
subcc %o2, 1, %o2 /* IEU1 Group */
be,pn %xcc, 209f /* CTI */
stb %g5, [%o0 - 1] /* Store */
2: ldub [%o1], %g5 /* LOAD Group */
add %o0, 2, %o0 /* IEU0 */
ldub [%o1 + 1], %o5 /* LOAD Group */
add %o1, 2, %o1 /* IEU0 */
subcc %o2, 2, %o2 /* IEU1 Group */
stb %g5, [%o0 - 2] /* Store */
bne,pt %xcc, 2b /* CTI */
stb %o5, [%o0 - 1] /* Store */
209: retl
mov %g4, %o0
END(__memcpy_large)
ENTRY(__mempcpy)
ba,pt %xcc, 210f
add %o0, %o2, %g4
END(__mempcpy)
.align 32
ENTRY(memcpy)
mov %o0, %g4 /* IEU0 Group */
210:
#ifndef USE_BPR
srl %o2, 0, %o2 /* IEU1 */
#endif
brz,pn %o2, 209b /* CTI Group */
218: cmp %o2, 15 /* IEU1 */
bleu,pn %xcc, 208b /* CTI Group */
cmp %o2, (64 * 6) /* IEU1 */
bgeu,pn %xcc, 200b /* CTI Group */
andcc %o0, 7, %g2 /* IEU1 */
sub %o0, %o1, %g5 /* IEU0 */
andcc %g5, 3, %o5 /* IEU1 Group */
bne,pn %xcc, 212f /* CTI */
andcc %o1, 3, %g0 /* IEU1 Group */
be,a,pt %xcc, 216f /* CTI */
andcc %o1, 4, %g0 /* IEU1 Group */
andcc %o1, 1, %g0 /* IEU1 Group */
be,pn %xcc, 4f /* CTI */
andcc %o1, 2, %g0 /* IEU1 Group */
ldub [%o1], %g2 /* Load Group */
add %o1, 1, %o1 /* IEU0 */
add %o0, 1, %o0 /* IEU1 */
sub %o2, 1, %o2 /* IEU0 Group */
bne,pn %xcc, 5f /* CTI Group */
stb %g2, [%o0 - 1] /* Store */
4: lduh [%o1], %g2 /* Load Group */
add %o1, 2, %o1 /* IEU0 */
add %o0, 2, %o0 /* IEU1 */
sub %o2, 2, %o2 /* IEU0 */
sth %g2, [%o0 - 2] /* Store Group + bubble */
5: andcc %o1, 4, %g0 /* IEU1 */
216: be,a,pn %xcc, 2f /* CTI */
andcc %o2, -128, %g6 /* IEU1 Group */
lduw [%o1], %g5 /* Load Group */
add %o1, 4, %o1 /* IEU0 */
add %o0, 4, %o0 /* IEU1 */
sub %o2, 4, %o2 /* IEU0 Group */
stw %g5, [%o0 - 4] /* Store */
andcc %o2, -128, %g6 /* IEU1 Group */
2: be,pn %xcc, 215f /* CTI */
andcc %o0, 4, %g0 /* IEU1 Group */
be,pn %xcc, 82f + 4 /* CTI Group */
5: MOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
MOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5)
MOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
MOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5)
35: subcc %g6, 128, %g6 /* IEU1 Group */
add %o1, 128, %o1 /* IEU0 */
bne,pt %xcc, 5b /* CTI */
add %o0, 128, %o0 /* IEU0 Group */
215: andcc %o2, 0x70, %g6 /* IEU1 Group */
41: be,pn %xcc, 80f /* CTI */
andcc %o2, 8, %g0 /* IEU1 Group */
/* Clk1 8-( */
/* Clk2 8-( */
/* Clk3 8-( */
/* Clk4 8-( */
79: rd %pc, %o5 /* PDU Group */
sll %g6, 1, %g5 /* IEU0 Group */
add %o1, %g6, %o1 /* IEU1 */
sub %o5, %g5, %o5 /* IEU0 Group */
jmpl %o5 + %lo(80f - 79b), %g0 /* CTI Group brk forced*/
add %o0, %g6, %o0 /* IEU0 Group */
36: MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5)
MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5)
MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5)
MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5)
MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5)
MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5)
MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5)
80: be,pt %xcc, 81f /* CTI */
andcc %o2, 4, %g0 /* IEU1 */
ldx [%o1], %g2 /* Load Group */
add %o0, 8, %o0 /* IEU0 */
stw %g2, [%o0 - 0x4] /* Store Group */
add %o1, 8, %o1 /* IEU1 */
srlx %g2, 32, %g2 /* IEU0 Group */
stw %g2, [%o0 - 0x8] /* Store */
81: be,pt %xcc, 1f /* CTI */
andcc %o2, 2, %g0 /* IEU1 Group */
lduw [%o1], %g2 /* Load Group */
add %o1, 4, %o1 /* IEU0 */
stw %g2, [%o0] /* Store Group */
add %o0, 4, %o0 /* IEU0 */
1: be,pt %xcc, 1f /* CTI */
andcc %o2, 1, %g0 /* IEU1 Group */
lduh [%o1], %g2 /* Load Group */
add %o1, 2, %o1 /* IEU0 */
sth %g2, [%o0] /* Store Group */
add %o0, 2, %o0 /* IEU0 */
1: be,pt %xcc, 211f /* CTI */
nop /* IEU1 */
ldub [%o1], %g2 /* Load Group */
stb %g2, [%o0] /* Store Group + bubble */
211: retl
mov %g4, %o0
82: MOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
MOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
37: subcc %g6, 128, %g6 /* IEU1 Group */
add %o1, 128, %o1 /* IEU0 */
bne,pt %xcc, 82b /* CTI */
add %o0, 128, %o0 /* IEU0 Group */
andcc %o2, 0x70, %g6 /* IEU1 */
be,pn %xcc, 84f /* CTI */
andcc %o2, 8, %g0 /* IEU1 Group */
/* Clk1 8-( */
/* Clk2 8-( */
/* Clk3 8-( */
/* Clk4 8-( */
83: rd %pc, %o5 /* PDU Group */
add %o1, %g6, %o1 /* IEU0 Group */
sub %o5, %g6, %o5 /* IEU1 */
jmpl %o5 + %lo(84f - 83b), %g0 /* CTI Group brk forced*/
add %o0, %g6, %o0 /* IEU0 Group */
38: MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3)
MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3)
MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3)
MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3)
MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3)
MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3)
MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3)
84: be,pt %xcc, 85f /* CTI Group */
andcc %o2, 4, %g0 /* IEU1 */
ldx [%o1], %g2 /* Load Group */
add %o0, 8, %o0 /* IEU0 */
add %o1, 8, %o1 /* IEU0 Group */
stx %g2, [%o0 - 0x8] /* Store */
85: be,pt %xcc, 1f /* CTI */
andcc %o2, 2, %g0 /* IEU1 Group */
lduw [%o1], %g2 /* Load Group */
add %o0, 4, %o0 /* IEU0 */
add %o1, 4, %o1 /* IEU0 Group */
stw %g2, [%o0 - 0x4] /* Store */
1: be,pt %xcc, 1f /* CTI */
andcc %o2, 1, %g0 /* IEU1 Group */
lduh [%o1], %g2 /* Load Group */
add %o0, 2, %o0 /* IEU0 */
add %o1, 2, %o1 /* IEU0 Group */
sth %g2, [%o0 - 0x2] /* Store */
1: be,pt %xcc, 1f /* CTI */
nop /* IEU0 Group */
ldub [%o1], %g2 /* Load Group */
stb %g2, [%o0] /* Store Group + bubble */
1: retl
mov %g4, %o0
212: brz,pt %g2, 2f /* CTI Group */
mov 8, %g1 /* IEU0 */
sub %g1, %g2, %g2 /* IEU0 Group */
sub %o2, %g2, %o2 /* IEU0 Group */
1: ldub [%o1], %g5 /* Load Group */
add %o1, 1, %o1 /* IEU0 */
add %o0, 1, %o0 /* IEU1 */
subcc %g2, 1, %g2 /* IEU1 Group */
bne,pt %xcc, 1b /* CTI */
stb %g5, [%o0 - 1] /* Store */
2: andn %o2, 7, %g5 /* IEU0 Group */
and %o2, 7, %o2 /* IEU1 */
fsrc2 %f0, %f2 /* FPU */
alignaddr %o1, %g0, %g1 /* GRU Group */
ldd [%g1], %f4 /* Load Group */
1: ldd [%g1 + 0x8], %f6 /* Load Group */
add %g1, 0x8, %g1 /* IEU0 Group */
subcc %g5, 8, %g5 /* IEU1 */
faligndata %f4, %f6, %f0 /* GRU Group */
std %f0, [%o0] /* Store */
add %o1, 8, %o1 /* IEU0 Group */
be,pn %xcc, 213f /* CTI */
add %o0, 8, %o0 /* IEU1 */
ldd [%g1 + 0x8], %f4 /* Load Group */
add %g1, 8, %g1 /* IEU0 */
subcc %g5, 8, %g5 /* IEU1 */
faligndata %f6, %f4, %f0 /* GRU Group */
std %f0, [%o0] /* Store */
add %o1, 8, %o1 /* IEU0 */
bne,pn %xcc, 1b /* CTI Group */
add %o0, 8, %o0 /* IEU0 */
213: brz,pn %o2, 214f /* CTI Group */
nop /* IEU0 */
ldub [%o1], %g5 /* LOAD */
add %o1, 1, %o1 /* IEU0 */
add %o0, 1, %o0 /* IEU1 */
subcc %o2, 1, %o2 /* IEU1 */
bne,pt %xcc, 206b /* CTI */
stb %g5, [%o0 - 1] /* Store Group */
214: wr %g0, FPRS_FEF, %fprs
retl
mov %g4, %o0
END(memcpy)
libc_hidden_builtin_def (memcpy)
libc_hidden_def (__mempcpy)
weak_alias (__mempcpy, mempcpy)
libc_hidden_builtin_def (mempcpy)
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