x86, UML: remove x86-specific implementations of find_first_bit

[sfrench/cifs-2.6.git] / include / asm-x86 / bitops_32.h

diff --git a/include/asm-x86/bitops_32.h b/include/asm-x86/bitops_32.h
index ba2c0defafa8c7d3ec8f0adb53b508be660334e0..2e863021bf81e897a05662ccb5a954fc6f1011fe 100644 (file)
--- a/include/asm-x86/bitops_32.h
+++ b/include/asm-x86/bitops_32.h
@@ -4,64 +4,6 @@
 /*
  * Copyright 1992, Linus Torvalds.
  */
-
-#ifndef CONFIG_GENERIC_FIND_FIRST_BIT
-/**
- * find_first_zero_bit - find the first zero bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit number of the first zero bit, not the number of the byte
- * containing a bit.
- */
-static inline int find_first_zero_bit(const unsigned long *addr, unsigned size)
-{
-       int d0, d1, d2;
-       int res;
-
-       if (!size)
-               return 0;
-       /* This looks at memory.
-        * Mark it volatile to tell gcc not to move it around
-        */
-       asm volatile("movl $-1,%%eax\n\t"
-                    "xorl %%edx,%%edx\n\t"
-                    "repe; scasl\n\t"
-                    "je 1f\n\t"
-                    "xorl -4(%%edi),%%eax\n\t"
-                    "subl $4,%%edi\n\t"
-                    "bsfl %%eax,%%edx\n"
-                    "1:\tsubl %%ebx,%%edi\n\t"
-                    "shll $3,%%edi\n\t"
-                    "addl %%edi,%%edx"
-                    : "=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2)
-                    : "1" ((size + 31) >> 5), "2" (addr),
-                      "b" (addr) : "memory");
-       return res;
-}
-
-/**
- * find_first_bit - find the first set bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit number of the first set bit, not the number of the byte
- * containing a bit.
- */
-static inline unsigned find_first_bit(const unsigned long *addr, unsigned size)
-{
-       unsigned x = 0;
-
-       while (x < size) {
-               unsigned long val = *addr++;
-               if (val)
-                       return __ffs(val) + x;
-               x += sizeof(*addr) << 3;
-       }
-       return x;
-}
-#endif
-
 #ifdef __KERNEL__
 
 #include <asm-generic/bitops/sched.h>