changeset a029d2119487 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=a029d2119487
description:
        Cache: restructure code that actually isn't a loop

diffstat:

 src/mem/cache/cache_impl.hh |  20 ++++++++++----------
 1 files changed, 10 insertions(+), 10 deletions(-)

diffs (39 lines):

diff -r 2f3a286392a6 -r a029d2119487 src/mem/cache/cache_impl.hh
--- a/src/mem/cache/cache_impl.hh       Thu May 10 18:04:27 2012 -0500
+++ b/src/mem/cache/cache_impl.hh       Thu May 10 18:04:27 2012 -0500
@@ -1294,8 +1294,10 @@
                 pkt->getAddr());
 
         //Look through writebacks for any non-uncachable writes, use that
-        for (int i = 0; i < writebacks.size(); i++) {
-            mshr = writebacks[i];
+        if (writebacks.size()) {
+            // We should only ever find a single match
+            assert(writebacks.size() == 1);
+            mshr = writebacks[0];
             assert(!mshr->isUncacheable());
             assert(mshr->getNumTargets() == 1);
             PacketPtr wb_pkt = mshr->getTarget()->pkt;
@@ -1321,16 +1323,14 @@
                 markInService(mshr);
                 delete wb_pkt;
             }
-
-            // If this was a shared writeback, there may still be
-            // other shared copies above that require invalidation.
-            // We could be more selective and return here if the
-            // request is non-exclusive or if the writeback is
-            // exclusive.
-            break;
-        }
+        } // writebacks.size()
     }
 
+    // If this was a shared writeback, there may still be
+    // other shared copies above that require invalidation.
+    // We could be more selective and return here if the
+    // request is non-exclusive or if the writeback is
+    // exclusive.
     handleSnoop(pkt, blk, true, false, false);
 }
 
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