Changeset 81e52f2a in mainline for generic/include/bitops.h

Timestamp:

2006-02-04T00:53:19Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c5613b7

Parents:

c352c2e

Message:

Fixed non-initialized cpu-cache.

File:

• generic/include/bitops.h (modified) (2 diffs)

generic/include/bitops.h

@@ -41 +41 @@
         int n = 0;
 
-        if (arg & 0xffff0000) { arg >>= 16;n += 16;}
-        if (arg & 0xff00) { arg >>= 8; n += 8;}
-        if (arg & 0xf0) { arg >>= 4; n += 4;}
-        if (arg & 0xc) { arg >>= 2; n+=2;}
-        if (arg & 0x2) { arg >>= 1; n+=1;}
+        if (arg >> 16) { arg >>= 16;n += 16;}
+        if (arg >> 8) { arg >>= 8; n += 8;}
+        if (arg >> 4) { arg >>= 4; n += 4;}
+        if (arg >> 2) { arg >>= 2; n+=2;}
+        if (arg >> 1) { arg >>= 1; n+=1;}
         return n;
 }
@@ -53 +53 @@
         int n = 0;
 
-        /* This is because mips complains about big numbers,
-         * other platforms should optimize it out */
-        __u64 oper = 0xffffffff;
-        oper <<= 32;
-
-        if (arg & oper) { arg >>= 32;n += 32;}
+        if (arg >> 32) { arg >>= 32;n += 32;}
         return n + fnzb32((__u32) arg);
 }