+2010-02-25 David S. Miller <davem@davemloft.net>
+
+ * sysdeps/sparc/sparc64/Makefile: Add align-cpy rule.
+ * sysdeps/sparc/sparc64/align-cpy.S: New.
+ * sysdeps/sparc/sparc64/memcpy.S (__align_cpy_1, __align_cpy_2,
+ __align_cpy_4, __align_cpy_8, __align_cpy_16): Remove.
+ * sysdeps/sparc/sparc64/sparcv9b/memcpy.S (__align_cpy_1,
+ __align_cpy_2, __align_cpy_4, __align_cpy_8, __align_cpy_16):
+ Remove.
+ * sysdeps/sparc/sparc64/sparcv9v/memcpy.S (__align_cpy_1,
+ __align_cpy_2, __align_cpy_4, __align_cpy_8, __align_cpy_16):
+ Remove.
+ * sysdeps/sparc/sparc64/sparcv9v2/memcpy.S (__align_cpy_1,
+ __align_cpy_2, __align_cpy_4, __align_cpy_8, __align_cpy_16):
+ Remove.
+
2009-02-20 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_runtime_setup):
ifeq ($(subdir),csu)
CFLAGS-initfini.s += -mcpu=v9
endif
+
+ifeq ($(subdir),string)
+sysdep_routines += align-cpy
+endif
--- /dev/null
+/* Aligned copy routines specified by Sparc V9 ABI.
+ For 64-bit sparc.
+ Copyright (C) 2010 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>
+
+ .text
+ .align 8
+ENTRY(__align_cpy_8)
+10: cmp %o0, %o1
+ be,pn %xcc, 9f
+ mov %o0, %o3
+ subcc %o2, 0x08, %o2
+ be,pn %xcc, 8f
+1: ldx [%o1 + 0x00], %o5
+ ldx [%o1 + 0x08], %o4
+ subcc %o2, 0x10, %o2
+ add %o1, 0x10, %o1
+ stx %o5, [%o3 + 0x00]
+ stx %o4, [%o3 + 0x08]
+ bg,pt %xcc, 1b
+ add %o3, 0x10, %o3
+ bne,pn %xcc, 9f
+ nop
+ ldx [%o1 + 0x00], %o5
+8: stx %o5, [%o3 + 0x00]
+9: retl
+ nop
+END(__align_cpy_8)
+
+ .align 8
+ENTRY(__align_cpy_4)
+20: cmp %o0, %o1
+ be,pn %xcc, 9f
+ mov %o0, %o3
+ subcc %o2, 0x04, %o2
+ be,pn %xcc, 8f
+1: lduw [%o1 + 0x00], %o5
+ lduw [%o1 + 0x04], %o4
+ subcc %o2, 0x08, %o2
+ add %o1, 0x08, %o1
+ stw %o5, [%o3 + 0x00]
+ stw %o4, [%o3 + 0x04]
+ bg,pt %xcc, 1b
+ add %o3, 0x08, %o3
+ bne,pn %xcc, 9f
+ nop
+ lduw [%o1 + 0x00], %o5
+8: stw %o5, [%o3 + 0x00]
+9: retl
+ nop
+END(__align_cpy_4)
+
+ .align 8
+ENTRY(__align_cpy_2)
+ or %o0, %o1, %o3
+ or %o2, %o3, %o3
+ andcc %o3, 0x7, %g0
+ be,pt %xcc, 10b
+ andcc %o3, 0x3, %g0
+ be,pt %xcc, 20b
+ mov %o7, %g1
+ call HIDDEN_JUMPTARGET(memcpy)
+ mov %o7, %g1
+END(__align_cpy_2)
+
+weak_alias (__align_cpy_8, __align_cpy_16)
+weak_alias (__align_cpy_2, __align_cpy_1)
mov %g4, %o0
END(__memcpy_large)
-#ifdef USE_BPR
-
- /* void *__align_cpy_4(void *dest, void *src, size_t n)
- * SPARC v9 SYSV ABI
- * Like memcpy, but results are undefined if (!n || ((dest | src | n) & 3))
- */
-
- .align 32
-ENTRY(__align_cpy_4)
- mov %o0, %g4 /* IEU0 Group */
- cmp %o2, 15 /* IEU1 */
- bleu,pn %xcc, 208b /* CTI */
- cmp %o2, (64 * 6) /* IEU1 Group */
- bgeu,pn %xcc, 200b /* CTI */
- andcc %o0, 7, %g2 /* IEU1 Group */
- ba,pt %xcc, 216f /* CTI */
- andcc %o1, 4, %g0 /* IEU1 Group */
-END(__align_cpy_4)
-
- /* void *__align_cpy_8(void *dest, void *src, size_t n)
- * SPARC v9 SYSV ABI
- * Like memcpy, but results are undefined if (!n || ((dest | src | n) & 7))
- */
-
- .align 32
-ENTRY(__align_cpy_8)
- mov %o0, %g4 /* IEU0 Group */
- cmp %o2, 15 /* IEU1 */
- bleu,pn %xcc, 208b /* CTI */
- cmp %o2, (64 * 6) /* IEU1 Group */
- bgeu,pn %xcc, 201b /* CTI */
- andcc %o0, 0x38, %g5 /* IEU1 Group */
- andcc %o2, -128, %g6 /* IEU1 Group */
- bne,a,pt %xcc, 82f + 4 /* CTI */
- ldx [%o1], %g1 /* Load */
- ba,pt %xcc, 41f /* CTI Group */
- andcc %o2, 0x70, %g6 /* IEU1 */
-END(__align_cpy_8)
-
- /* void *__align_cpy_16(void *dest, void *src, size_t n)
- * SPARC v9 SYSV ABI
- * Like memcpy, but results are undefined if (!n || ((dest | src | n) & 15))
- */
-
- .align 32
-ENTRY(__align_cpy_16)
- mov %o0, %g4 /* IEU0 Group */
- cmp %o2, (64 * 6) /* IEU1 */
- bgeu,pn %xcc, 201b /* CTI */
- andcc %o0, 0x38, %g5 /* IEU1 Group */
- andcc %o2, -128, %g6 /* IEU1 Group */
- bne,a,pt %xcc, 82f + 4 /* CTI */
- ldx [%o1], %g1 /* Load */
- ba,pt %xcc, 41f /* CTI Group */
- andcc %o2, 0x70, %g6 /* IEU1 */
-END(__align_cpy_16)
-
-#endif
-
.align 32
ENTRY(memcpy)
210:
mov %g4, %o0
END(memmove)
-#ifdef USE_BPR
-weak_alias (memcpy, __align_cpy_1)
-weak_alias (memcpy, __align_cpy_2)
-#endif
libc_hidden_builtin_def (memcpy)
libc_hidden_builtin_def (memmove)
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)
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)
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 / linaro-glibc.git / commitdiff