From 9a0e4e4a776a963c9950dc3dcd0d23ee0739b755 Mon Sep 17 00:00:00 2001
From: Wilson Fung <wlfung@gmail.com>
Date: Thu, 26 Jul 2012 03:22:53 -0800
Subject: Clean up the unordered_map fallback support.   - Now there is only
 one macro for all use of unordered_map in the code.   - Moving all instances
 of gcc/cuda version detection into a single file.   - Adding a warning when
 the fallback is triggered.

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 13542]
---
 src/cuda-sim/Makefile     |  4 +---
 src/cuda-sim/memory.h     | 21 +++++----------------
 src/cuda-sim/ptx-stats.cc | 15 +++++++--------
 3 files changed, 13 insertions(+), 27 deletions(-)

(limited to 'src/cuda-sim')

diff --git a/src/cuda-sim/Makefile b/src/cuda-sim/Makefile
index a2e8da3..3062d99 100644
--- a/src/cuda-sim/Makefile
+++ b/src/cuda-sim/Makefile
@@ -38,8 +38,7 @@ ifeq ($(INTEL),1)
 	CC = icc
 endif
 
-CC_VERSION := $(shell gcc --version | perl -ne '/gcc\s+\(.*\)\s+([0-9.]+)/ and print $$1;')
-GNUC_CPP0X := $(shell gcc --version | perl -ne 'if (/gcc\s+\(.*\)\s+([0-9.]+)/){ if($$1 >= 4.3) {$$n=1} else {$$n=0;} } END { print $$n; }')
+include ../../version_detection.mk
 
 OPT	:=  -O3 -g3 -Wall -Wno-unused-function -Wno-sign-compare
 ifeq ($(DEBUG),1)
@@ -61,7 +60,6 @@ OUTPUT_DIR=../../$(SIM_OBJ_FILES_DIR)/cuda-sim
 
 OBJS	:= $(OUTPUT_DIR)/ptx_parser.o $(OUTPUT_DIR)/ptx_loader.o $(OUTPUT_DIR)/cuda_device_printf.o $(OUTPUT_DIR)/instructions.o $(OUTPUT_DIR)/cuda-sim.o $(OUTPUT_DIR)/ptx_ir.o $(OUTPUT_DIR)/ptx_sim.o  $(OUTPUT_DIR)/memory.o $(OUTPUT_DIR)/ptx-stats.o $(OUTPUT_DIR)/decuda_pred_table/decuda_pred_table.o $(OUTPUT_DIR)/ptx.tab.o $(OUTPUT_DIR)/lex.ptx_.o $(OUTPUT_DIR)/ptxinfo.tab.o $(OUTPUT_DIR)/lex.ptxinfo_.o
 
-CUDART_VERSION:=$(shell $(CUDA_INSTALL_PATH)/bin/nvcc --version | awk '/release/ {print $$5;}' | sed 's/,//' | sed 's/\./ /' | awk '{printf("%02u%02u", 10*int($$1), 10*$$2);}')
 
 OPT += -DCUDART_VERSION=$(CUDART_VERSION)
 
diff --git a/src/cuda-sim/memory.h b/src/cuda-sim/memory.h
index 5ebc0ad..f785b8b 100644
--- a/src/cuda-sim/memory.h
+++ b/src/cuda-sim/memory.h
@@ -30,23 +30,12 @@
 
 #include "../abstract_hardware_model.h"
 
-#ifdef __GNUC__
-#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 3
-   #include <unordered_map>
-   #define mem_map std::unordered_map
-   #define MEM_MAP_RESIZE(hash_size) m_data.rehash(hash_size)
-#else
-   #include <ext/hash_map>
-   namespace std {
-      using namespace __gnu_cxx;
-   }
-   #define mem_map std::hash_map
-   #define MEM_MAP_RESIZE(hash_size) m_data.resize(hash_size)
-#endif
-#else
-   #include <map>
-   #define mem_map std::map
+#include "../tr1_hash_map.h"
+#define mem_map tr1_hash_map
+#if tr1_hash_map_ismap == 1
    #define MEM_MAP_RESIZE(hash_size) 
+#else
+   #define MEM_MAP_RESIZE(hash_size) (m_data.rehash(hash_size))
 #endif
 
 #include <assert.h>
diff --git a/src/cuda-sim/ptx-stats.cc b/src/cuda-sim/ptx-stats.cc
index 3578be9..0a9f08d 100644
--- a/src/cuda-sim/ptx-stats.cc
+++ b/src/cuda-sim/ptx-stats.cc
@@ -80,14 +80,6 @@ public:
     unsigned line;
 };
 
-struct hash_ptx_file_line
-{
-    std::size_t operator()(const ptx_file_line & pfline) const {
-        std::hash<unsigned> hash_line;
-        return hash_line(pfline.line);
-    }
-};
-
 // holds all statistics collected for a singe PTX source line
 class ptx_file_line_stats
 {
@@ -113,6 +105,13 @@ public:
 #if (tr1_hash_map_ismap == 1)
 typedef tr1_hash_map<ptx_file_line, ptx_file_line_stats> ptx_file_line_stats_map_t;
 #else
+struct hash_ptx_file_line
+{
+    std::size_t operator()(const ptx_file_line & pfline) const {
+        std::hash<unsigned> hash_line;
+        return hash_line(pfline.line);
+    }
+};
 typedef tr1_hash_map<ptx_file_line, ptx_file_line_stats, hash_ptx_file_line> ptx_file_line_stats_map_t;
 #endif
 
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