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>

diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h
index 6c5fddb..edf196e 100644 (file)
--- 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 43161f2..9623bc2 100644 (file)
--- 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 b655729..615f401 100644 (file)
--- 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 77f2285..3632cb3 100644 (file)
--- 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 704b126..1b30bb3 100644 (file)
--- 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 ce10bc8..34fe657 100644 (file)
--- 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 1c37ea8..99c017b 100644 (file)
--- 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