--- /dev/null
+/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara-2.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller (davem@davemloft.net)
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+#define ASI_BLK_INIT_QUAD_LDD_P 0xe2
+#define ASI_BLK_P 0xf0
+#define ASI_P 0x80
+#define ASI_PNF 0x82
+
+#define FPRS_FEF 0x04
+
+#define VISEntryHalf \
+ rd %fprs, %o5; \
+ wr %g0, FPRS_FEF, %fprs
+
+#define VISExitHalf \
+ and %o5, FPRS_FEF, %o5; \
+ wr %o5, 0x0, %fprs
+
+#define STORE_ASI ASI_BLK_INIT_QUAD_LDD_P
+
+#define LOAD(type,addr,dest) type [addr], dest
+#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest
+#define STORE(type,src,addr) type src, [addr]
+#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P
+#define STORE_INIT(src,addr) stxa src, [addr] STORE_ASI
+
+#ifndef XCC
+#define USE_BPR
+#define XCC xcc
+#endif
+
+#define FREG_FROB(x0, x1, x2, x3, x4, x5, x6, x7, x8) \
+ faligndata %x0, %x1, %f0; \
+ faligndata %x1, %x2, %f2; \
+ faligndata %x2, %x3, %f4; \
+ faligndata %x3, %x4, %f6; \
+ faligndata %x4, %x5, %f8; \
+ faligndata %x5, %x6, %f10; \
+ faligndata %x6, %x7, %f12; \
+ faligndata %x7, %x8, %f14;
+
+#define FREG_MOVE_1(x0) \
+ fmovd %x0, %f0;
+#define FREG_MOVE_2(x0, x1) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2;
+#define FREG_MOVE_3(x0, x1, x2) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2; \
+ fmovd %x2, %f4;
+#define FREG_MOVE_4(x0, x1, x2, x3) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2; \
+ fmovd %x2, %f4; \
+ fmovd %x3, %f6;
+#define FREG_MOVE_5(x0, x1, x2, x3, x4) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2; \
+ fmovd %x2, %f4; \
+ fmovd %x3, %f6; \
+ fmovd %x4, %f8;
+#define FREG_MOVE_6(x0, x1, x2, x3, x4, x5) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2; \
+ fmovd %x2, %f4; \
+ fmovd %x3, %f6; \
+ fmovd %x4, %f8; \
+ fmovd %x5, %f10;
+#define FREG_MOVE_7(x0, x1, x2, x3, x4, x5, x6) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2; \
+ fmovd %x2, %f4; \
+ fmovd %x3, %f6; \
+ fmovd %x4, %f8; \
+ fmovd %x5, %f10; \
+ fmovd %x6, %f12;
+#define FREG_MOVE_8(x0, x1, x2, x3, x4, x5, x6, x7) \
+ fmovd %x0, %f0; \
+ fmovd %x1, %f2; \
+ fmovd %x2, %f4; \
+ fmovd %x3, %f6; \
+ fmovd %x4, %f8; \
+ fmovd %x5, %f10; \
+ fmovd %x6, %f12; \
+ fmovd %x7, %f14;
+#define FREG_LOAD_1(base, x0) \
+ LOAD(ldd, base + 0x00, %x0)
+#define FREG_LOAD_2(base, x0, x1) \
+ LOAD(ldd, base + 0x00, %x0); \
+ LOAD(ldd, base + 0x08, %x1);
+#define FREG_LOAD_3(base, x0, x1, x2) \
+ LOAD(ldd, base + 0x00, %x0); \
+ LOAD(ldd, base + 0x08, %x1); \
+ LOAD(ldd, base + 0x10, %x2);
+#define FREG_LOAD_4(base, x0, x1, x2, x3) \
+ LOAD(ldd, base + 0x00, %x0); \
+ LOAD(ldd, base + 0x08, %x1); \
+ LOAD(ldd, base + 0x10, %x2); \
+ LOAD(ldd, base + 0x18, %x3);
+#define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \
+ LOAD(ldd, base + 0x00, %x0); \
+ LOAD(ldd, base + 0x08, %x1); \
+ LOAD(ldd, base + 0x10, %x2); \
+ LOAD(ldd, base + 0x18, %x3); \
+ LOAD(ldd, base + 0x20, %x4);
+#define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \
+ LOAD(ldd, base + 0x00, %x0); \
+ LOAD(ldd, base + 0x08, %x1); \
+ LOAD(ldd, base + 0x10, %x2); \
+ LOAD(ldd, base + 0x18, %x3); \
+ LOAD(ldd, base + 0x20, %x4); \
+ LOAD(ldd, base + 0x28, %x5);
+#define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \
+ LOAD(ldd, base + 0x00, %x0); \
+ LOAD(ldd, base + 0x08, %x1); \
+ LOAD(ldd, base + 0x10, %x2); \
+ LOAD(ldd, base + 0x18, %x3); \
+ LOAD(ldd, base + 0x20, %x4); \
+ LOAD(ldd, base + 0x28, %x5); \
+ LOAD(ldd, base + 0x30, %x6);
+
+ .register %g2,#scratch
+ .register %g3,#scratch
+ .register %g6,#scratch
+
+ .text
+ .align 32
+
+ENTRY(bcopy)
+ sub %o1, %o0, %o4
+ mov %o0, %g4
+ cmp %o4, %o2
+ mov %o1, %o0
+ bgeu,pt %XCC, 100f
+ mov %g4, %o1
+#ifndef USE_BPR
+ srl %o2, 0, %o2
+#endif
+ brnz,pn %o2, 220f
+ add %o0, %o2, %o0
+ retl
+ nop
+END(bcopy)
+
+ .align 32
+ENTRY(memcpy)
+100: /* %o0=dst, %o1=src, %o2=len */
+ mov %o0, %g5
+ cmp %o2, 0
+ be,pn %XCC, 85f
+218: or %o0, %o1, %o3
+ cmp %o2, 16
+ blu,a,pn %XCC, 80f
+ or %o3, %o2, %o3
+
+ /* 2 blocks (128 bytes) is the minimum we can do the block
+ * copy with. We need to ensure that we'll iterate at least
+ * once in the block copy loop. At worst we'll need to align
+ * the destination to a 64-byte boundary which can chew up
+ * to (64 - 1) bytes from the length before we perform the
+ * block copy loop.
+ *
+ * However, the cut-off point, performance wise, is around
+ * 4 64-byte blocks.
+ */
+ cmp %o2, (4 * 64)
+ blu,pt %XCC, 75f
+ andcc %o3, 0x7, %g0
+
+ /* %o0: dst
+ * %o1: src
+ * %o2: len (known to be >= 128)
+ *
+ * The block copy loops can use %o4, %g2, %g3 as
+ * temporaries while copying the data. %o5 must
+ * be preserved between VISEntryHalf and VISExitHalf
+ */
+
+ LOAD(prefetch, %o1 + 0x000, #one_read)
+ LOAD(prefetch, %o1 + 0x040, #one_read)
+ LOAD(prefetch, %o1 + 0x080, #one_read)
+
+ /* Align destination on 64-byte boundary. */
+ andcc %o0, (64 - 1), %o4
+ be,pt %XCC, 2f
+ sub %o4, 64, %o4
+ sub %g0, %o4, %o4 ! bytes to align dst
+ sub %o2, %o4, %o2
+1: subcc %o4, 1, %o4
+ LOAD(ldub, %o1, %g1)
+ STORE(stb, %g1, %o0)
+ add %o1, 1, %o1
+ bne,pt %XCC, 1b
+ add %o0, 1, %o0
+
+2:
+ /* Clobbers o5/g1/g2/g3/g7/icc/xcc. We must preserve
+ * o5 from here until we hit VISExitHalf.
+ */
+ VISEntryHalf
+
+ alignaddr %o1, %g0, %g0
+
+ add %o1, (64 - 1), %o4
+ andn %o4, (64 - 1), %o4
+ andn %o2, (64 - 1), %g1
+ sub %o2, %g1, %o2
+
+ and %o1, (64 - 1), %g2
+ add %o1, %g1, %o1
+ sub %o0, %o4, %g3
+ brz,pt %g2, 190f
+ cmp %g2, 32
+ blu,a 5f
+ cmp %g2, 16
+ cmp %g2, 48
+ blu,a 4f
+ cmp %g2, 40
+ cmp %g2, 56
+ blu 170f
+ nop
+ ba,a,pt %xcc, 180f
+
+4: /* 32 <= low bits < 48 */
+ blu 150f
+ nop
+ ba,a,pt %xcc, 160f
+5: /* 0 < low bits < 32 */
+ blu,a 6f
+ cmp %g2, 8
+ cmp %g2, 24
+ blu 130f
+ nop
+ ba,a,pt %xcc, 140f
+6: /* 0 < low bits < 16 */
+ bgeu 120f
+ nop
+ /* fall through for 0 < low bits < 8 */
+110: sub %o4, 64, %g2
+ LOAD_BLK(%g2, %f0)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+120: sub %o4, 56, %g2
+ FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+130: sub %o4, 48, %g2
+ FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_6(f20, f22, f24, f26, f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+140: sub %o4, 40, %g2
+ FREG_LOAD_5(%g2, f0, f2, f4, f6, f8)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_5(f22, f24, f26, f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+150: sub %o4, 32, %g2
+ FREG_LOAD_4(%g2, f0, f2, f4, f6)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_4(f24, f26, f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+160: sub %o4, 24, %g2
+ FREG_LOAD_3(%g2, f0, f2, f4)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_3(f26, f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+170: sub %o4, 16, %g2
+ FREG_LOAD_2(%g2, f0, f2)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_2(f28, f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+180: sub %o4, 8, %g2
+ FREG_LOAD_1(%g2, f0)
+1: STORE_INIT(%g0, %o4 + %g3)
+ LOAD_BLK(%o4, %f16)
+ FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30)
+ STORE_BLK(%f0, %o4 + %g3)
+ FREG_MOVE_1(f30)
+ subcc %g1, 64, %g1
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+ ba,pt %xcc, 195f
+ nop
+
+190:
+1: STORE_INIT(%g0, %o4 + %g3)
+ subcc %g1, 64, %g1
+ LOAD_BLK(%o4, %f0)
+ STORE_BLK(%f0, %o4 + %g3)
+ add %o4, 64, %o4
+ bne,pt %XCC, 1b
+ LOAD(prefetch, %o4 + 64, #one_read)
+
+195:
+ add %o4, %g3, %o0
+ membar #Sync
+
+ VISExitHalf
+
+ /* %o2 contains any final bytes still needed to be copied
+ * over. If anything is left, we copy it one byte at a time.
+ */
+ brz,pt %o2, 85f
+ sub %o0, %o1, %o3
+ ba,a,pt %XCC, 90f
+
+ .align 64
+75: /* 16 < len <= 64 */
+ bne,pn %XCC, 75f
+ sub %o0, %o1, %o3
+
+72:
+ andn %o2, 0xf, %o4
+ and %o2, 0xf, %o2
+1: subcc %o4, 0x10, %o4
+ LOAD(ldx, %o1, %o5)
+ add %o1, 0x08, %o1
+ LOAD(ldx, %o1, %g1)
+ sub %o1, 0x08, %o1
+ STORE(stx, %o5, %o1 + %o3)
+ add %o1, 0x8, %o1
+ STORE(stx, %g1, %o1 + %o3)
+ bgu,pt %XCC, 1b
+ add %o1, 0x8, %o1
+73: andcc %o2, 0x8, %g0
+ be,pt %XCC, 1f
+ nop
+ sub %o2, 0x8, %o2
+ LOAD(ldx, %o1, %o5)
+ STORE(stx, %o5, %o1 + %o3)
+ add %o1, 0x8, %o1
+1: andcc %o2, 0x4, %g0
+ be,pt %XCC, 1f
+ nop
+ sub %o2, 0x4, %o2
+ LOAD(lduw, %o1, %o5)
+ 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: subcc %g1, 1, %g1
+ LOAD(ldub, %o1, %o5)
+ 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
+ LOAD(ldx, %o1, %g2)
+ sub %o3, %g1, %o3
+ andn %o2, 0x7, %o4
+ sllx %g2, %g1, %g2
+1: add %o1, 0x8, %o1
+ LOAD(ldx, %o1, %g3)
+ subcc %o4, 0x8, %o4
+ srlx %g3, %o3, %o5
+ or %o5, %g2, %o5
+ 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:
+ subcc %o2, 4, %o2
+ LOAD(lduw, %o1, %g1)
+ STORE(stw, %g1, %o1 + %o3)
+ bgu,pt %XCC, 1b
+ add %o1, 4, %o1
+
+85: retl
+ mov %g5, %o0
+
+ .align 32
+90:
+ subcc %o2, 1, %o2
+ LOAD(ldub, %o1, %g1)
+ STORE(stb, %g1, %o1 + %o3)
+ bgu,pt %XCC, 90b
+ add %o1, 1, %o1
+ retl
+ mov %g5, %o0
+
+END(memcpy)
+
+#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \
+ ldx [%src - offset - 0x20], %t0; \
+ ldx [%src - offset - 0x18], %t1; \
+ ldx [%src - offset - 0x10], %t2; \
+ ldx [%src - offset - 0x08], %t3; \
+ stw %t0, [%dst - offset - 0x1c]; \
+ srlx %t0, 32, %t0; \
+ stw %t0, [%dst - offset - 0x20]; \
+ stw %t1, [%dst - offset - 0x14]; \
+ srlx %t1, 32, %t1; \
+ stw %t1, [%dst - offset - 0x18]; \
+ stw %t2, [%dst - offset - 0x0c]; \
+ srlx %t2, 32, %t2; \
+ stw %t2, [%dst - offset - 0x10]; \
+ stw %t3, [%dst - offset - 0x04]; \
+ srlx %t3, 32, %t3; \
+ stw %t3, [%dst - offset - 0x08];
+
+#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \
+ ldx [%src - offset - 0x20], %t0; \
+ ldx [%src - offset - 0x18], %t1; \
+ ldx [%src - offset - 0x10], %t2; \
+ ldx [%src - offset - 0x08], %t3; \
+ stx %t0, [%dst - offset - 0x20]; \
+ stx %t1, [%dst - offset - 0x18]; \
+ stx %t2, [%dst - offset - 0x10]; \
+ stx %t3, [%dst - offset - 0x08]; \
+ ldx [%src - offset - 0x40], %t0; \
+ ldx [%src - offset - 0x38], %t1; \
+ ldx [%src - offset - 0x30], %t2; \
+ ldx [%src - offset - 0x28], %t3; \
+ stx %t0, [%dst - offset - 0x40]; \
+ stx %t1, [%dst - offset - 0x38]; \
+ stx %t2, [%dst - offset - 0x30]; \
+ stx %t3, [%dst - offset - 0x28];
+
+#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
+ ldx [%src + offset + 0x00], %t0; \
+ ldx [%src + offset + 0x08], %t1; \
+ stw %t0, [%dst + offset + 0x04]; \
+ srlx %t0, 32, %t2; \
+ stw %t2, [%dst + offset + 0x00]; \
+ stw %t1, [%dst + offset + 0x0c]; \
+ srlx %t1, 32, %t3; \
+ stw %t3, [%dst + offset + 0x08];
+
+#define RMOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \
+ ldx [%src + offset + 0x00], %t0; \
+ ldx [%src + offset + 0x08], %t1; \
+ stx %t0, [%dst + offset + 0x00]; \
+ stx %t1, [%dst + offset + 0x08];
+
+ .align 32
+228: andcc %o2, 1, %g0
+ be,pt %icc, 2f+4
+1: ldub [%o1 - 1], %o5
+ sub %o1, 1, %o1
+ sub %o0, 1, %o0
+ subcc %o2, 1, %o2
+ be,pn %XCC, 229f
+ stb %o5, [%o0]
+2: ldub [%o1 - 1], %o5
+ sub %o0, 2, %o0
+ ldub [%o1 - 2], %g5
+ sub %o1, 2, %o1
+ subcc %o2, 2, %o2
+ stb %o5, [%o0 + 1]
+ bne,pt %XCC, 2b
+ stb %g5, [%o0]
+229: retl
+ mov %g4, %o0
+out: retl
+ mov %g5, %o0
+
+ .align 32
+ENTRY(memmove)
+ mov %o0, %g5
+#ifndef USE_BPR
+ srl %o2, 0, %o2
+#endif
+ brz,pn %o2, out
+ sub %o0, %o1, %o4
+ cmp %o4, %o2
+ bgeu,pt %XCC, 218b
+ mov %o0, %g4
+ add %o0, %o2, %o0
+220: add %o1, %o2, %o1
+ cmp %o2, 15
+ bleu,pn %XCC, 228b
+ andcc %o0, 7, %g2
+ sub %o0, %o1, %g5
+ andcc %g5, 3, %o5
+ bne,pn %XCC, 232f
+ andcc %o1, 3, %g0
+ be,a,pt %XCC, 236f
+ andcc %o1, 4, %g0
+ andcc %o1, 1, %g0
+ be,pn %XCC, 4f
+ andcc %o1, 2, %g0
+ ldub [%o1 - 1], %g2
+ sub %o1, 1, %o1
+ sub %o0, 1, %o0
+ sub %o2, 1, %o2
+ be,pn %XCC, 5f
+ stb %g2, [%o0]
+4: lduh [%o1 - 2], %g2
+ sub %o1, 2, %o1
+ sub %o0, 2, %o0
+ sub %o2, 2, %o2
+ sth %g2, [%o0]
+5: andcc %o1, 4, %g0
+236: be,a,pn %XCC, 2f
+ andcc %o2, -128, %g6
+ lduw [%o1 - 4], %g5
+ sub %o1, 4, %o1
+ sub %o0, 4, %o0
+ sub %o2, 4, %o2
+ stw %g5, [%o0]
+ andcc %o2, -128, %g6
+2: be,pn %XCC, 235f
+ andcc %o0, 4, %g0
+ be,pn %XCC, 282f + 4
+5: RMOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
+ RMOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5)
+ RMOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
+ RMOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5)
+ subcc %g6, 128, %g6
+ sub %o1, 128, %o1
+ bne,pt %XCC, 5b
+ sub %o0, 128, %o0
+235: andcc %o2, 0x70, %g6
+41: be,pn %XCC, 280f
+ andcc %o2, 8, %g0
+
+279: rd %pc, %o5
+ sll %g6, 1, %g5
+ sub %o1, %g6, %o1
+ sub %o5, %g5, %o5
+ jmpl %o5 + %lo(280f - 279b), %g0
+ sub %o0, %g6, %o0
+ RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5)
+ RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5)
+ RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5)
+ RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5)
+ RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5)
+ RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5)
+ RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5)
+280: be,pt %XCC, 281f
+ andcc %o2, 4, %g0
+ ldx [%o1 - 8], %g2
+ sub %o0, 8, %o0
+ stw %g2, [%o0 + 4]
+ sub %o1, 8, %o1
+ srlx %g2, 32, %g2
+ stw %g2, [%o0]
+281: be,pt %XCC, 1f
+ andcc %o2, 2, %g0
+ lduw [%o1 - 4], %g2
+ sub %o1, 4, %o1
+ stw %g2, [%o0 - 4]
+ sub %o0, 4, %o0
+1: be,pt %XCC, 1f
+ andcc %o2, 1, %g0
+ lduh [%o1 - 2], %g2
+ sub %o1, 2, %o1
+ sth %g2, [%o0 - 2]
+ sub %o0, 2, %o0
+1: be,pt %XCC, 211f
+ nop
+ ldub [%o1 - 1], %g2
+ stb %g2, [%o0 - 1]
+211: retl
+ mov %g4, %o0
+
+282: RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
+ RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
+ subcc %g6, 128, %g6
+ sub %o1, 128, %o1
+ bne,pt %XCC, 282b
+ sub %o0, 128, %o0
+ andcc %o2, 0x70, %g6
+ be,pn %XCC, 284f
+ andcc %o2, 8, %g0
+
+283: rd %pc, %o5
+ sub %o1, %g6, %o1
+ sub %o5, %g6, %o5
+ jmpl %o5 + %lo(284f - 283b), %g0
+ sub %o0, %g6, %o0
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3)
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3)
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3)
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3)
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3)
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3)
+ RMOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3)
+284: be,pt %XCC, 285f
+ andcc %o2, 4, %g0
+ ldx [%o1 - 8], %g2
+ sub %o0, 8, %o0
+ sub %o1, 8, %o1
+ stx %g2, [%o0]
+285: be,pt %XCC, 1f
+ andcc %o2, 2, %g0
+ lduw [%o1 - 4], %g2
+ sub %o0, 4, %o0
+ sub %o1, 4, %o1
+ stw %g2, [%o0]
+1: be,pt %XCC, 1f
+ andcc %o2, 1, %g0
+ lduh [%o1 - 2], %g2
+ sub %o0, 2, %o0
+ sub %o1, 2, %o1
+ sth %g2, [%o0]
+1: be,pt %XCC, 1f
+ nop
+ ldub [%o1 - 1], %g2
+ stb %g2, [%o0 - 1]
+1: retl
+ mov %g4, %o0
+
+232: ldub [%o1 - 1], %g5
+ sub %o1, 1, %o1
+ sub %o0, 1, %o0
+ subcc %o2, 1, %o2
+ bne,pt %XCC, 232b
+ stb %g5, [%o0]
+234: retl
+ mov %g4, %o0
+END(memmove)
+
+#ifdef USE_BPR
+weak_alias (memcpy, __align_cpy_1)
+weak_alias (memcpy, __align_cpy_2)
+weak_alias (memcpy, __align_cpy_4)
+weak_alias (memcpy, __align_cpy_8)
+weak_alias (memcpy, __align_cpy_16)
+#endif
+libc_hidden_builtin_def (memcpy)
+libc_hidden_builtin_def (memmove)
projects / platform / upstream / glibc.git / commitdiff