summaryrefslogtreecommitdiff
path: root/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sparc/sparc64/sparcv9v/memcpy.S')
-rw-r--r--sysdeps/sparc/sparc64/sparcv9v/memcpy.S593
1 files changed, 593 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
new file mode 100644
index 0000000000..05c837fa25
--- /dev/null
+++ b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
@@ -0,0 +1,593 @@
+/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara.
+ Copyright (C) 2006 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_P 0x80
+#define ASI_PNF 0x82
+
+#define LOAD(type,addr,dest) type##a [addr] ASI_P, dest
+#define LOAD_TWIN(addr_reg,dest0,dest1) \
+ ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_P, dest0
+
+#define STORE(type,src,addr) type src, [addr]
+#define STORE_INIT(src,addr) stxa src, [addr] %asi
+
+#ifndef XCC
+#define USE_BPR
+#define XCC xcc
+#endif
+
+ .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.
+ */
+ cmp %o2, (2 * 64)
+ blu,pt %XCC, 70f
+ andcc %o3, 0x7, %g0
+
+ /* %o0: dst
+ * %o1: src
+ * %o2: len (known to be >= 128)
+ *
+ * The block copy loops will use %o4/%o5,%g2/%g3 as
+ * temporaries while copying the data.
+ */
+
+ LOAD(prefetch, %o1, #one_read)
+ wr %g0, ASI_BLK_INIT_QUAD_LDD_P, %asi
+
+ /* 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
+
+ /* If the source is on a 16-byte boundary we can do
+ * the direct block copy loop. If it is 8-byte aligned
+ * we can do the 16-byte loads offset by -8 bytes and the
+ * init stores offset by one register.
+ *
+ * If the source is not even 8-byte aligned, we need to do
+ * shifting and masking (basically integer faligndata).
+ *
+ * The careful bit with init stores is that if we store
+ * to any part of the cache line we have to store the whole
+ * cacheline else we can end up with corrupt L2 cache line
+ * contents. Since the loop works on 64-bytes of 64-byte
+ * aligned store data at a time, this is easy to ensure.
+ */
+2:
+ andcc %o1, (16 - 1), %o4
+ andn %o2, (64 - 1), %g1 ! block copy loop iterator
+ sub %o2, %g1, %o2 ! final sub-block copy bytes
+ be,pt %XCC, 50f
+ cmp %o4, 8
+ be,a,pt %XCC, 10f
+ sub %o1, 0x8, %o1
+
+ /* Neither 8-byte nor 16-byte aligned, shift and mask. */
+ mov %g1, %o4
+ and %o1, 0x7, %g1
+ sll %g1, 3, %g1
+ mov 64, %o3
+ andn %o1, 0x7, %o1
+ LOAD(ldx, %o1, %g2)
+ sub %o3, %g1, %o3
+ sllx %g2, %g1, %g2
+
+#define SWIVEL_ONE_DWORD(SRC, TMP1, TMP2, PRE_VAL, PRE_SHIFT, POST_SHIFT, DST)\
+ LOAD(ldx, SRC, TMP1); \
+ srlx TMP1, PRE_SHIFT, TMP2; \
+ or TMP2, PRE_VAL, TMP2; \
+ STORE_INIT(TMP2, DST); \
+ sllx TMP1, POST_SHIFT, PRE_VAL;
+
+1: add %o1, 0x8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x00)
+ add %o1, 0x8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x08)
+ add %o1, 0x8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x10)
+ add %o1, 0x8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x18)
+ add %o1, 32, %o1
+ LOAD(prefetch, %o1, #one_read)
+ sub %o1, 32 - 8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x20)
+ add %o1, 8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x28)
+ add %o1, 8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x30)
+ add %o1, 8, %o1
+ SWIVEL_ONE_DWORD(%o1, %g3, %o5, %g2, %o3, %g1, %o0 + 0x38)
+ subcc %o4, 64, %o4
+ bne,pt %XCC, 1b
+ add %o0, 64, %o0
+
+#undef SWIVEL_ONE_DWORD
+
+ srl %g1, 3, %g1
+ ba,pt %XCC, 60f
+ add %o1, %g1, %o1
+
+10: /* Destination is 64-byte aligned, source was only 8-byte
+ * aligned but it has been subtracted by 8 and we perform
+ * one twin load ahead, then add 8 back into source when
+ * we finish the loop.
+ */
+ LOAD_TWIN(%o1, %o4, %o5)
+1: add %o1, 16, %o1
+ LOAD_TWIN(%o1, %g2, %g3)
+ add %o1, 16 + 32, %o1
+ LOAD(prefetch, %o1, #one_read)
+ sub %o1, 32, %o1
+ STORE_INIT(%o5, %o0 + 0x00) ! initializes cache line
+ STORE_INIT(%g2, %o0 + 0x08)
+ LOAD_TWIN(%o1, %o4, %o5)
+ add %o1, 16, %o1
+ STORE_INIT(%g3, %o0 + 0x10)
+ STORE_INIT(%o4, %o0 + 0x18)
+ LOAD_TWIN(%o1, %g2, %g3)
+ add %o1, 16, %o1
+ STORE_INIT(%o5, %o0 + 0x20)
+ STORE_INIT(%g2, %o0 + 0x28)
+ LOAD_TWIN(%o1, %o4, %o5)
+ STORE_INIT(%g3, %o0 + 0x30)
+ STORE_INIT(%o4, %o0 + 0x38)
+ subcc %g1, 64, %g1
+ bne,pt %XCC, 1b
+ add %o0, 64, %o0
+
+ ba,pt %XCC, 60f
+ add %o1, 0x8, %o1
+
+50: /* Destination is 64-byte aligned, and source is 16-byte
+ * aligned.
+ */
+1: LOAD_TWIN(%o1, %o4, %o5)
+ add %o1, 16, %o1
+ LOAD_TWIN(%o1, %g2, %g3)
+ add %o1, 16 + 32, %o1
+ LOAD(prefetch, %o1, #one_read)
+ sub %o1, 32, %o1
+ STORE_INIT(%o4, %o0 + 0x00) ! initializes cache line
+ STORE_INIT(%o5, %o0 + 0x08)
+ LOAD_TWIN(%o1, %o4, %o5)
+ add %o1, 16, %o1
+ STORE_INIT(%g2, %o0 + 0x10)
+ STORE_INIT(%g3, %o0 + 0x18)
+ LOAD_TWIN(%o1, %g2, %g3)
+ add %o1, 16, %o1
+ STORE_INIT(%o4, %o0 + 0x20)
+ STORE_INIT(%o5, %o0 + 0x28)
+ STORE_INIT(%g2, %o0 + 0x30)
+ STORE_INIT(%g3, %o0 + 0x38)
+ subcc %g1, 64, %g1
+ bne,pt %XCC, 1b
+ add %o0, 64, %o0
+ /* fall through */
+
+60:
+ /* %o2 contains any final bytes still needed to be copied
+ * over. If anything is left, we copy it one byte at a time.
+ */
+ wr %g0, ASI_PNF, %asi
+ brz,pt %o2, 85f
+ sub %o0, %o1, %o3
+ ba,a,pt %XCC, 90f
+
+ .align 64
+70: /* 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)
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 15:46:49 +0000