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authorDavid S. Miller <davem@davemloft.net>2009-12-11 10:32:10 +0300
committerDavid S. Miller <davem@davemloft.net>2009-12-11 10:32:10 +0300
commit4d14a459857bd151ecbd14bcd37b4628da00792b (patch)
treef713e8292ef84bfcc5ba4f3c7cd19aa4ce908bd5
parentfb34035e7b4bb3edc7c2dc0683cfe21f57a9574d (diff)
downloadlinux-4d14a459857bd151ecbd14bcd37b4628da00792b.tar.xz
sparc: Stop trying to be so fancy and use __builtin_{memcpy,memset}()
This mirrors commit ff60fab71bb3b4fdbf8caf57ff3739ffd0887396 (x86: Use __builtin_memset and __builtin_memcpy for memset/memcpy) Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/include/asm/string_32.h78
-rw-r--r--arch/sparc/include/asm/string_64.h25
-rw-r--r--arch/sparc/lib/bzero.S5
-rw-r--r--arch/sparc/lib/checksum_32.S2
-rw-r--r--arch/sparc/lib/ksyms.c2
-rw-r--r--arch/sparc/lib/memcpy.S3
-rw-r--r--arch/sparc/lib/memset.S3
7 files changed, 6 insertions, 112 deletions
diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h
index 6c5fddb7e6b5..edf196ee4ef8 100644
--- a/arch/sparc/include/asm/string_32.h
+++ b/arch/sparc/include/asm/string_32.h
@@ -16,8 +16,6 @@
#ifdef __KERNEL__
extern void __memmove(void *,const void *,__kernel_size_t);
-extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t);
-extern __kernel_size_t __memset(void *,int,__kernel_size_t);
#ifndef EXPORT_SYMTAB_STROPS
@@ -32,82 +30,10 @@ extern __kernel_size_t __memset(void *,int,__kernel_size_t);
})
#define __HAVE_ARCH_MEMCPY
-
-static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n)
-{
- extern void __copy_1page(void *, const void *);
-
- if(n <= 32) {
- __builtin_memcpy(to, from, n);
- } else if (((unsigned int) to & 7) != 0) {
- /* Destination is not aligned on the double-word boundary */
- __memcpy(to, from, n);
- } else {
- switch(n) {
- case PAGE_SIZE:
- __copy_1page(to, from);
- break;
- default:
- __memcpy(to, from, n);
- break;
- }
- }
- return to;
-}
-
-static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n)
-{
- __memcpy(to, from, n);
- return to;
-}
-
-#undef memcpy
-#define memcpy(t, f, n) \
-(__builtin_constant_p(n) ? \
- __constant_memcpy((t),(f),(n)) : \
- __nonconstant_memcpy((t),(f),(n)))
+#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
#define __HAVE_ARCH_MEMSET
-
-static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count)
-{
- extern void bzero_1page(void *);
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if(!c) {
- if(count == PAGE_SIZE)
- bzero_1page(s);
- else
- __bzero(s, count);
- } else {
- __memset(s, c, count);
- }
- return s;
-}
-
-static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count)
-{
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if(!c)
- __bzero(s, count);
- else
- __memset(s, c, count);
- return s;
-}
-
-static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count)
-{
- __memset(s, c, count);
- return s;
-}
-
-#undef memset
-#define memset(s, c, count) \
-(__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \
- __constant_c_and_count_memset((s), (c), (count)) : \
- __constant_c_memset((s), (c), (count))) \
- : __nonconstant_memset((s), (c), (count)))
+#define memset(s, c, count) __builtin_memset(s, c, count)
#define __HAVE_ARCH_MEMSCAN
diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h
index 43161f2d17eb..9623bc213158 100644
--- a/arch/sparc/include/asm/string_64.h
+++ b/arch/sparc/include/asm/string_64.h
@@ -15,8 +15,6 @@
#include <asm/asi.h>
-extern void *__memset(void *,int,__kernel_size_t);
-
#ifndef EXPORT_SYMTAB_STROPS
/* First the mem*() things. */
@@ -24,29 +22,10 @@ extern void *__memset(void *,int,__kernel_size_t);
extern void *memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMCPY
-extern void *memcpy(void *, const void *, __kernel_size_t);
+#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
#define __HAVE_ARCH_MEMSET
-extern void *__builtin_memset(void *,int,__kernel_size_t);
-
-static inline void *__constant_memset(void *s, int c, __kernel_size_t count)
-{
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if (!c) {
- __bzero(s, count);
- return s;
- } else
- return __memset(s, c, count);
-}
-
-#undef memset
-#define memset(s, c, count) \
-((__builtin_constant_p(count) && (count) <= 32) ? \
- __builtin_memset((s), (c), (count)) : \
- (__builtin_constant_p(c) ? \
- __constant_memset((s), (c), (count)) : \
- __memset((s), (c), (count))))
+#define memset(s, c, count) __builtin_memset(s, c, count)
#define __HAVE_ARCH_MEMSCAN
diff --git a/arch/sparc/lib/bzero.S b/arch/sparc/lib/bzero.S
index b6557297440f..615f401edf69 100644
--- a/arch/sparc/lib/bzero.S
+++ b/arch/sparc/lib/bzero.S
@@ -6,10 +6,6 @@
.text
- .globl __memset
- .type __memset, #function
-__memset: /* %o0=buf, %o1=pat, %o2=len */
-
.globl memset
.type memset, #function
memset: /* %o0=buf, %o1=pat, %o2=len */
@@ -83,7 +79,6 @@ __bzero_done:
retl
mov %o3, %o0
.size __bzero, .-__bzero
- .size __memset, .-__memset
.size memset, .-memset
#define EX_ST(x,y) \
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index 77f228533d47..3632cb34e914 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -560,7 +560,7 @@ __csum_partial_copy_end:
mov %i0, %o1
mov %i1, %o0
5:
- call __memcpy
+ call memcpy
mov %i2, %o2
tst %o0
bne,a 2f
diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
index 704b12668388..1b30bb3bfdb1 100644
--- a/arch/sparc/lib/ksyms.c
+++ b/arch/sparc/lib/ksyms.c
@@ -30,7 +30,6 @@ EXPORT_SYMBOL(__memscan_generic);
EXPORT_SYMBOL(memcmp);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(__memset);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(__bzero);
@@ -81,7 +80,6 @@ EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
/* Special internal versions of library functions. */
EXPORT_SYMBOL(__copy_1page);
-EXPORT_SYMBOL(__memcpy);
EXPORT_SYMBOL(__memmove);
EXPORT_SYMBOL(bzero_1page);
diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S
index ce10bc869af9..34fe65751737 100644
--- a/arch/sparc/lib/memcpy.S
+++ b/arch/sparc/lib/memcpy.S
@@ -543,9 +543,6 @@ FUNC(memmove)
b 3f
add %o0, 2, %o0
-#ifdef __KERNEL__
-FUNC(__memcpy)
-#endif
FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
sub %o0, %o1, %o4
diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S
index 1c37ea892deb..99c017be8719 100644
--- a/arch/sparc/lib/memset.S
+++ b/arch/sparc/lib/memset.S
@@ -60,11 +60,10 @@
.globl __bzero_begin
__bzero_begin:
- .globl __bzero, __memset,
+ .globl __bzero
.globl memset
.globl __memset_start, __memset_end
__memset_start:
-__memset:
memset:
and %o1, 0xff, %g3
sll %g3, 8, %g2