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author | David S. Miller <davem@davemloft.net> | 2010-02-21 20:12:29 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2010-02-25 23:58:50 -0800 |
commit | dbcaf07c326e18b14d19aebe011b9ffbe4a45972 (patch) | |
tree | d1fc3b26dcb5fb91d2f863c74886ce879cf49bb4 /sysdeps/sparc/sparc64 | |
parent | 34a407de9661ff8e938d152445b750becb247f7c (diff) | |
download | glibc-dbcaf07c326e18b14d19aebe011b9ffbe4a45972.zip glibc-dbcaf07c326e18b14d19aebe011b9ffbe4a45972.tar.gz glibc-dbcaf07c326e18b14d19aebe011b9ffbe4a45972.tar.bz2 |
sparc: Reimplement 64-bit aligned copy routines and remove from memcpy files.
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.
Diffstat (limited to 'sysdeps/sparc/sparc64')
-rw-r--r-- | sysdeps/sparc/sparc64/Makefile | 4 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/align-cpy.S | 85 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/memcpy.S | 63 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/sparcv9b/memcpy.S | 7 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/sparcv9v/memcpy.S | 7 | ||||
-rw-r--r-- | sysdeps/sparc/sparc64/sparcv9v2/memcpy.S | 7 |
6 files changed, 89 insertions, 84 deletions
diff --git a/sysdeps/sparc/sparc64/Makefile b/sysdeps/sparc/sparc64/Makefile index 3bb0238..1a859df 100644 --- a/sysdeps/sparc/sparc64/Makefile +++ b/sysdeps/sparc/sparc64/Makefile @@ -6,3 +6,7 @@ endif ifeq ($(subdir),csu) CFLAGS-initfini.s += -mcpu=v9 endif + +ifeq ($(subdir),string) +sysdep_routines += align-cpy +endif diff --git a/sysdeps/sparc/sparc64/align-cpy.S b/sysdeps/sparc/sparc64/align-cpy.S new file mode 100644 index 0000000..bae788f --- /dev/null +++ b/sysdeps/sparc/sparc64/align-cpy.S @@ -0,0 +1,85 @@ +/* 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) diff --git a/sysdeps/sparc/sparc64/memcpy.S b/sysdeps/sparc/sparc64/memcpy.S index 5993358..709d366 100644 --- a/sysdeps/sparc/sparc64/memcpy.S +++ b/sysdeps/sparc/sparc64/memcpy.S @@ -446,65 +446,6 @@ ENTRY(__memcpy_large) 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: @@ -917,9 +858,5 @@ ENTRY(memmove) 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) diff --git a/sysdeps/sparc/sparc64/sparcv9b/memcpy.S b/sysdeps/sparc/sparc64/sparcv9b/memcpy.S index 760d526..2a4146f 100644 --- a/sysdeps/sparc/sparc64/sparcv9b/memcpy.S +++ b/sysdeps/sparc/sparc64/sparcv9b/memcpy.S @@ -599,12 +599,5 @@ ENTRY(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) diff --git a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S index ad2b0f7..61db9ff 100644 --- a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S +++ b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S @@ -585,12 +585,5 @@ ENTRY(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) diff --git a/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S index b261f46..2b1444e 100644 --- a/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S +++ b/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S @@ -735,12 +735,5 @@ ENTRY(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) |