Changeset 3091 in kBuild

Timestamp:

Oct 4, 2017 2:31:04 PM (7 years ago)

Author:

bird

Message:

strcache2.c: nits

File:

• trunk/src/kmk/strcache2.c (modified) (4 diffs)

trunk/src/kmk/strcache2.c

@@ -498 +498 @@
   if (!((size_t)xs & 3))
     {
+      /* aligned */
       int result;
-      /* aligned */
-      while (length >= 8)
+      unsigned reminder = length & 7;
+      length >>= 3;
+      while (length-- > 0)
         {
           result  = *(int32_t*)xs - *(int32_t*)ys;
@@ -508 +510 @@
           xs += 8;
           ys += 8;
-          length -= 8;
         }
-      switch (length)
+      switch (reminder)
         {
           case 7:
@@ -549 +550 @@
       /* unaligned */
       int result;
-      while (length >= 8)
+      unsigned reminder = length & 7;
+      length >>= 3;
+      while (length-- > 0)
         {
 #if defined(__i386__) || defined(__x86_64__)
@@ -576 +579 @@
           xs += 8;
           ys += 8;
-          length -= 8;
         }
+
       result = 0;
-      switch (length)
+      switch (reminder)
         {
           case 7: result |= xs[6] - ys[6]; /* fall thru */