add a mayLoad property for machine instructions, a correlary to mayStore.

[oota-llvm.git] / Makefile.rules

diff --git a/Makefile.rules b/Makefile.rules
index eb827ed6e0debdc10da69c1283cef8d45a081c30..2cdb63efe4e635fe5f1f913b5c98bed23f972158 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -210,9 +210,9 @@ endif
 
 ifdef ENABLE_PROFILING
   BuildMode := Profile
-  CXX.Flags := $(OPTIMIZE_OPTION) -pg -g
-  C.Flags   := $(OPTIMIZE_OPTION) -pg -g
-  LD.Flags  := $(OPTIMIZE_OPTION) -pg -g
+  CXX.Flags += $(OPTIMIZE_OPTION) -pg -g
+  C.Flags   += $(OPTIMIZE_OPTION) -pg -g
+  LD.Flags  += $(OPTIMIZE_OPTION) -pg -g
   KEEP_SYMBOLS := 1
 else
   ifeq ($(ENABLE_OPTIMIZED),1)
@@ -229,14 +229,14 @@ else
       EXTRA_OPTIONS += -fstrict-aliasing
     endif
 
-    CXX.Flags := $(OPTIMIZE_OPTION) $(OmitFramePointer)
-    C.Flags   := $(OPTIMIZE_OPTION) $(OmitFramePointer)
-    LD.Flags  := $(OPTIMIZE_OPTION)
+    CXX.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer)
+    C.Flags   += $(OPTIMIZE_OPTION) $(OmitFramePointer)
+    LD.Flags  += $(OPTIMIZE_OPTION)
   else
     BuildMode := Debug
-    CXX.Flags := -g
-    C.Flags   := -g
-    LD.Flags  := -g
+    CXX.Flags += -g
+    C.Flags   += -g
+    LD.Flags  += -g
     KEEP_SYMBOLS := 1
   endif
 endif
@@ -1079,23 +1079,28 @@ ifndef DISABLE_AUTO_DEPENDENCIES
 # Create .lo files in the ObjDir directory from the .cpp and .c files...
 #---------------------------------------------------------
 
+DEPEND_OPTIONS = -MMD -MP -MF "$(ObjDir)/$*.d.tmp" \
+         -MT "$(ObjDir)/$*.lo" -MT "$(ObjDir)/$*.o" -MT "$(ObjDir)/$*.d"
+         
+# If the build succeeded, move the dependency file over.  If it failed, put an
+# empty file there.
+DEPEND_MOVEFILE = then $(MV) -f "$(ObjDir)/$*.d.tmp" "$(ObjDir)/$*.d"; \
+                  else $(RM) "$(ObjDir)/$*.d.tmp"; exit 1; fi
+
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES)
        $(Echo) "Compiling $*.cpp for $(BuildMode) build " $(PIC_FLAG)
-       $(Verb) if $(MAYBE_PIC_Compile.CXX) -MD -MT $@ -MP -MF $(ObjDir)/$*.LACXXd $< -o $@ ;\
-         then $(MV) -f "$(ObjDir)/$*.LACXXd" "$(ObjDir)/$*.d"; \
-         else $(RM) -f "$(ObjDir)/$*.LACXXd"; exit 1; fi
+       $(Verb) if $(MAYBE_PIC_Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
+               $(DEPEND_MOVEFILE)
 
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.cc $(ObjDir)/.dir $(BUILT_SOURCES)
        $(Echo) "Compiling $*.cc for $(BuildMode) build" $(PIC_FLAG)
-       $(Verb) if $(MAYBE_PIC_Compile.CXX) -MD -MT $@ -MP -MF $(ObjDir)/$*.LACXXd $< -o $@ ;\
-       then $(MV) -f "$(ObjDir)/$*.LACXXd" "$(ObjDir)/$*.d"; \
-       else $(RM) -f "$(ObjDir)/$*.LACXXd"; exit 1; fi
+       $(Verb) if $(MAYBE_PIC_Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
+               $(DEPEND_MOVEFILE)
 
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES)
        $(Echo) "Compiling $*.c for $(BuildMode) build" $(PIC_FLAG)
-       $(Verb) if $(MAYBE_PIC_Compile.C) -MD -MT $@ -MP -MF $(ObjDir)/$*.LACd $< -o $@ ; \
-       then $(MV) -f "$(ObjDir)/$*.LACd" "$(ObjDir)/$*.d"; \
-       else $(RM) -f "$(ObjDir)/$*.LACd"; exit 1; fi
+       $(Verb) if $(MAYBE_PIC_Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
+               $(DEPEND_MOVEFILE)
 
 #---------------------------------------------------------
 # Create .bc files in the ObjDir directory from .cpp .cc and .c files...