From 619c5519fe214250d537527ec95191a9b3d6fad2 Mon Sep 17 00:00:00 2001 From: Andreas Hansson Date: Fri, 19 Sep 2014 10:35:14 -0400 Subject: cpu: Use a deque in o3 rename instruction queue Switch from a list to a data structure with better data layout. --- src/cpu/o3/rename.hh | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/cpu/o3/rename.hh b/src/cpu/o3/rename.hh index 89bf0608f..a543cefb8 100644 --- a/src/cpu/o3/rename.hh +++ b/src/cpu/o3/rename.hh @@ -86,12 +86,11 @@ class DefaultRename // Typedefs from the ISA. typedef TheISA::RegIndex RegIndex; - // A list is used to queue the instructions. Barrier insts must - // be added to the front of the list, which is the only reason for - // using a list instead of a queue. (Most other stages use a + // A deque is used to queue the instructions. Barrier insts must + // be added to the front of the queue, which is the only reason for + // using a deque instead of a queue. (Most other stages use a // queue) - typedef std::list InstQueue; - typedef typename std::list::iterator ListIt; + typedef std::deque InstQueue; public: /** Overall rename status. Used to determine if the CPU can -- cgit v1.2.3