-static inline unsigned long
-find_next_zero_bit (const unsigned long * addr, unsigned long size, unsigned long offset)
-{
- unsigned long * p = ((unsigned long *) addr) + (offset >> 6);
- unsigned long bitvec, reg;
- unsigned long set, bit = offset & 63, res;
-
- if (bit) {
- /*
- * Look for zero in first word
- */
- bitvec = (*p) >> bit;
- __asm__(" lhi %2,-1\n"
- " slgr %0,%0\n"
- " clr %1,%2\n"
- " jne 0f\n"
- " aghi %0,32\n"
- " srlg %1,%1,32\n"
- "0: lghi %2,0xff\n"
- " tmll %1,0xffff\n"
- " jno 1f\n"
- " aghi %0,16\n"
- " srlg %1,%1,16\n"
- "1: tmll %1,0x00ff\n"
- " jno 2f\n"
- " aghi %0,8\n"
- " srlg %1,%1,8\n"
- "2: ngr %1,%2\n"
- " ic %1,0(%1,%3)\n"
- " algr %0,%1"
- : "=&d" (set), "+a" (bitvec), "=&d" (reg)
- : "a" (&_zb_findmap) : "cc" );
- if (set < (64 - bit))
- return set + offset;
- offset += 64 - bit;
- p++;
- }
- /*
- * No zero yet, search remaining full words for a zero
- */
- res = find_first_zero_bit (p, size - 64 * (p - (unsigned long *) addr));
- return (offset + res);
-}
-
-static inline unsigned long
-find_next_bit (const unsigned long * addr, unsigned long size, unsigned long offset)
-{
- unsigned long * p = ((unsigned long *) addr) + (offset >> 6);
- unsigned long bitvec, reg;
- unsigned long set, bit = offset & 63, res;
-
- if (bit) {
- /*
- * Look for zero in first word
- */
- bitvec = (*p) >> bit;
- __asm__(" slgr %0,%0\n"
- " ltr %1,%1\n"
- " jnz 0f\n"
- " aghi %0,32\n"
- " srlg %1,%1,32\n"
- "0: lghi %2,0xff\n"
- " tmll %1,0xffff\n"
- " jnz 1f\n"
- " aghi %0,16\n"
- " srlg %1,%1,16\n"
- "1: tmll %1,0x00ff\n"
- " jnz 2f\n"
- " aghi %0,8\n"
- " srlg %1,%1,8\n"
- "2: ngr %1,%2\n"
- " ic %1,0(%1,%3)\n"
- " algr %0,%1"
- : "=&d" (set), "+a" (bitvec), "=&d" (reg)
- : "a" (&_sb_findmap) : "cc" );
- if (set < (64 - bit))
- return set + offset;
- offset += 64 - bit;
- p++;
- }
- /*
- * No set bit yet, search remaining full words for a bit
- */
- res = find_first_bit (p, size - 64 * (p - (unsigned long *) addr));
- return (offset + res);
-}
-