- integrate changes from fermi-test (CL's under that path in range 7261-7418).

(add scoreboard logic from ptxplus branch and modified operand collector
with parallel ALU/SFU pipelines)

passing regressions

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 7419]

1 files changed, 43 insertions, 0 deletions

diff --git a/src/gpgpu-sim/scoreboard.h b/src/gpgpu-sim/scoreboard.h
new file mode 100644
index 0000000..4139948
--- /dev/null
+++ b/src/gpgpu-sim/scoreboard.h
@@ -0,0 +1,43 @@
+/*
+ * scoreboard.h
+ *
+ *  Created on: Aug 10, 2010
+ *      Author: inder
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <vector>
+#include <set>
+#include "assert.h"
+
+#ifndef SCOREBOARD_H_
+#define SCOREBOARD_H_
+
+typedef unsigned op_type;
+
+class Scoreboard
+{
+	private:
+		int sid; // Shader id
+		// Table to keep track of write-pending registers
+		// Indexed by warp id (wid)
+		std::vector< std::set<int> > reg_table;
+
+		void reserveRegister(int wid, int regnum);
+		void releaseRegister(int wid, int regnum);
+
+	public:
+		Scoreboard( int sid, int n_warps );
+
+		void printContents();
+
+		void reserveRegisters(int wid, void *inst_void);
+		void releaseRegisters(int wid, void *inst_void);
+
+		bool checkCollision(int wid, void *inst_void);
+
+};
+
+
+#endif /* SCOREBOARD_H_ */