From b6d4753c2a2daa05757253389b3ff01b51d88808 Mon Sep 17 00:00:00 2001
From: Jan Eitzinger <jan.eitzinger@fau.de>
Date: Fri, 11 Jun 2021 09:38:34 +0200
Subject: [PATCH] Add LIKWID Option. Allow to overwrite with asm variant.

---
 Makefile          | 58 +++++++++++++++++++++++++++--------------------
 asm/.gitkeep      |  0
 config.mk         |  6 +++--
 include_LIKWID.mk | 10 ++++++++
 4 files changed, 48 insertions(+), 26 deletions(-)
 create mode 100644 asm/.gitkeep
 create mode 100644 include_LIKWID.mk

diff --git a/Makefile b/Makefile
index 2378bba..28d203e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,12 +2,14 @@
 TARGET	   = MDBench-$(TAG)
 BUILD_DIR  = ./$(TAG)
 SRC_DIR    = ./src
+ASM_DIR    = ./asm
 MAKE_DIR   = ./
 Q         ?= @
 
 #DO NOT EDIT BELOW
 include $(MAKE_DIR)/config.mk
 include $(MAKE_DIR)/include_$(TAG).mk
+include $(MAKE_DIR)/include_LIKWID.mk
 INCLUDES  += -I./src/includes
 
 ifeq ($(strip $(DATA_LAYOUT)),AOS)
@@ -27,11 +29,15 @@ ifneq ($(EXPLICIT_TYPES),)
     DEFINES += -DEXPLICIT_TYPES
 endif
 
-VPATH     = $(SRC_DIR)
+VPATH     = $(SRC_DIR) $(ASM_DIR)
 ASM       = $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.s,$(wildcard $(SRC_DIR)/*.c))
-OBJ       = $(filter-out $(BUILD_DIR)/main%,$(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o,$(wildcard $(SRC_DIR)/*.c)))
+OVERWRITE:= $(patsubst $(ASM_DIR)/%-new.s, $(BUILD_DIR)/%.o,$(wildcard $(ASM_DIR)/*-new.s))
+OBJ       = $(filter-out $(BUILD_DIR)/main% $(OVERWRITE),$(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o,$(wildcard $(SRC_DIR)/*.c)))
+OBJ      += $(patsubst $(ASM_DIR)/%.s, $(BUILD_DIR)/%.o,$(wildcard $(ASM_DIR)/*.s))
 CPPFLAGS := $(CPPFLAGS) $(DEFINES) $(OPTIONS) $(INCLUDES)
 
+# $(warning $(OBJ))
+
 ifneq ($(VARIANT),)
 	.DEFAULT_GOAL := ${TARGET}-$(VARIANT)
 endif
@@ -44,38 +50,42 @@ ${TARGET}-%: $(BUILD_DIR) $(OBJ) $(SRC_DIR)/main-%.c
 	@echo "===>  LINKING  $(TARGET)-$* "
 	$(Q)${LINKER} $(CPPFLAGS) ${LFLAGS} -o $(TARGET)-$* $(SRC_DIR)/main-$*.c $(OBJ) $(LIBS)
 
-asm:  $(BUILD_DIR) $(ASM)
-
-$(BUILD_DIR)/%.o:  %.s
-#$(BUILD_DIR)/%.o:  %.c
-	@echo "===>  COMPILE  $@"
+$(BUILD_DIR)/%.o:  %.c
+	$(info ===>  COMPILE  $@)
 	$(Q)$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
-	$(Q)$(CC) $(CPPFLAGS) -MT $(@:.d=.o) -MM  $< > $(BUILD_DIR)/$*.d
+	$(Q)$(CC) $(CPPFLAGS) -MT $@ -MM  $< > $(BUILD_DIR)/$*.d
 
 $(BUILD_DIR)/%.s:  %.c
-	@echo "===>  GENERATE ASM  $@"
-	$(Q)$(CC) -S $(ASFLAGS)  $(CPPFLAGS) $(CFLAGS) $< -o $@
+	$(info ===>  GENERATE ASM  $@)
+	$(Q)$(CC) -S $(CPPFLAGS) $(CFLAGS) $< -o $@
 
-tags:
-	@echo "===>  GENERATE  TAGS"
-	$(Q)ctags -R
+$(BUILD_DIR)/%.o:  %.s
+	$(info ===>  ASSEMBLE  $@)
+	$(Q)$(AS) $(ASFLAGS) $< -o $@
 
-
-$(BUILD_DIR):
-	@mkdir $(BUILD_DIR)
-
-ifeq ($(findstring $(MAKECMDGOALS),clean),)
--include $(OBJ:.o=.d)
-endif
-
-.PHONY: clean distclean
+.PHONY: clean distclean tags info asm
 
 clean:
-	@echo "===>  CLEAN"
+	$(info ===>  CLEAN)
 	@rm -rf $(BUILD_DIR)
 	@rm -f tags
 
 distclean: clean
-	@echo "===>  DIST CLEAN"
+	$(info ===>  DIST CLEAN)
 	@rm -f $(TARGET)*
 	@rm -f tags
+
+info:
+	$(info $(CFLAGS))
+	$(Q)$(CC) $(VERSION)
+
+asm:  $(BUILD_DIR) $(ASM)
+
+tags:
+	$(info ===>  GENERATE  TAGS)
+	$(Q)ctags -R
+
+$(BUILD_DIR):
+	@mkdir $(BUILD_DIR)
+
+-include $(OBJ:.o=.d)
diff --git a/asm/.gitkeep b/asm/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/config.mk b/config.mk
index 0d02951..55045fe 100644
--- a/config.mk
+++ b/config.mk
@@ -1,9 +1,11 @@
 # Supported: GCC, CLANG, ICC
-TAG ?= ICC
+TAG ?= CLANG
+ENABLE_LIKWID ?= false
 # SP or DP
 DATA_TYPE ?= DP
 # AOS or SOA
 DATA_LAYOUT ?= AOS
 
 #Feature options
-OPTIONS +=  -DALIGNMENT=64 -DLIKWID_PERFMON
+OPTIONS =  -DALIGNMENT=64
+#OPTIONS +=  More options
diff --git a/include_LIKWID.mk b/include_LIKWID.mk
new file mode 100644
index 0000000..4ca5456
--- /dev/null
+++ b/include_LIKWID.mk
@@ -0,0 +1,10 @@
+LIKWID_INC ?= -I/usr/local/include
+LIKWID_DEFINES ?= -DLIKWID_PERFMON
+LIKWID_LIB ?= -L/usr/local/lib
+
+ifeq ($(strip $(ENABLE_LIKWID)),true)
+INCLUDES += ${LIKWID_INC}
+DEFINES +=  ${LIKWID_DEFINES}
+LIBS += -llikwid
+LFLAGS += ${LIKWID_LIB}
+endif