X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-x86%2Fdiv64.h;h=c7892cfe9ce65d5e92e09bdd011791c04e24274b;hb=2418f4f28f8467b92a6177af32d05737ebf6206c;hp=0dbf8bf3ef0a8d06308ea3cf8e72612c28c016c2;hpb=9e9abecfc0ff3a9ad2ead954b37bbfcb863c775e;p=linux-2.6

diff --git a/include/asm-x86/div64.h b/include/asm-x86/div64.h
index 0dbf8bf3ef..c7892cfe9c 100644
--- a/include/asm-x86/div64.h
+++ b/include/asm-x86/div64.h
@@ -51,6 +51,26 @@ static inline long div_ll_X_l_rem(long long divs, long div, long *rem)
 
 }
 
+static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
+{
+	union {
+		u64 v64;
+		u32 v32[2];
+	} d = { dividend };
+	u32 upper;
+
+	upper = d.v32[1];
+	d.v32[1] = 0;
+	if (upper >= divisor) {
+		d.v32[1] = upper / divisor;
+		upper %= divisor;
+	}
+	asm ("divl %2" : "=a" (d.v32[0]), "=d" (*remainder) :
+		"rm" (divisor), "0" (d.v32[0]), "1" (upper));
+	return d.v64;
+}
+#define div_u64_rem	div_u64_rem
+
 extern uint64_t div64_64(uint64_t dividend, uint64_t divisor);
 
 #else