patch-2.1.111 linux/include/asm-alpha/page.h

• Lines: 97
• Date: Wed Jul 22 12:44:48 1998
• Orig file: v2.1.110/linux/include/asm-alpha/page.h
• Orig date: Mon Oct 14 01:51:59 1996

diff -u --recursive --new-file v2.1.110/linux/include/asm-alpha/page.h linux/include/asm-alpha/page.h
@@ -19,54 +19,51 @@
  */
 static inline void clear_page(unsigned long page)
 {
-	unsigned long count;
-	__asm__ __volatile__(
-		".align 4\n"
-		"1:\n\t"
-		"stq $31,0(%1)\n\t"
-		"stq $31,8(%1)\n\t"
-		"stq $31,16(%1)\n\t"
-		"stq $31,24(%1)\n\t"
-		"subq %0,1,%0\n\t"
-		"stq $31,32(%1)\n\t"
-		"stq $31,40(%1)\n\t"
-		"stq $31,48(%1)\n\t"
-		"stq $31,56(%1)\n\t"
-		"addq $1,64,$1\n\t"
-		"bne %0,1b"
-		:"=r" (count),"=r" (page)
-		:"0" (PAGE_SIZE/64), "1" (page));
+	unsigned long count = PAGE_SIZE/64;
+	unsigned long *ptr = (unsigned long *)page;
+
+	do {
+		ptr[0] = 0;
+		ptr[1] = 0;
+		ptr[2] = 0;
+		ptr[3] = 0;
+		count--;
+		ptr[4] = 0;
+		ptr[5] = 0;
+		ptr[6] = 0;
+		ptr[7] = 0;
+		ptr += 8;
+	} while (count);
 }
 
-static inline void copy_page(unsigned long to, unsigned long from)
+static inline void copy_page(unsigned long _to, unsigned long _from)
 {
-	unsigned long count;
-	__asm__ __volatile__(
-		".align 4\n"
-		"1:\n\t"
-		"ldq $0,0(%1)\n\t"
-		"ldq $1,8(%1)\n\t"
-		"ldq $2,16(%1)\n\t"
-		"ldq $3,24(%1)\n\t"
-		"ldq $4,32(%1)\n\t"
-		"ldq $5,40(%1)\n\t"
-		"ldq $6,48(%1)\n\t"
-		"ldq $7,56(%1)\n\t"
-		"subq %0,1,%0\n\t"
-		"addq %1,64,%1\n\t"
-		"stq $0,0(%2)\n\t"
-		"stq $1,8(%2)\n\t"
-		"stq $2,16(%2)\n\t"
-		"stq $3,24(%2)\n\t"
-		"stq $4,32(%2)\n\t"
-		"stq $5,40(%2)\n\t"
-		"stq $6,48(%2)\n\t"
-		"stq $7,56(%2)\n\t"
-		"addq %2,64,%2\n\t"
-		"bne %0,1b"
-		:"=r" (count), "=r" (from), "=r" (to)
-		:"0" (PAGE_SIZE/64), "1" (from), "2" (to)
-		:"$0","$1","$2","$3","$4","$5","$6","$7");
+	unsigned long count = PAGE_SIZE/64;
+	unsigned long *to = (unsigned long *)_to;
+	unsigned long *from = (unsigned long *)_from;
+
+	do {
+		unsigned long a,b,c,d,e,f,g,h;
+		a = from[0];
+		b = from[1];
+		c = from[2];
+		d = from[3];
+		e = from[4];
+		f = from[5];
+		g = from[6];
+		h = from[7];
+		count--;
+		from += 8;
+		to[0] = a;
+		to[1] = b;
+		to[2] = c;
+		to[3] = d;
+		to[4] = e;
+		to[5] = f;
+		to[6] = g;
+		to[7] = h;
+		to += 8;
+	} while (count);
 }
 
 #ifdef STRICT_MM_TYPECHECKS