Add make autoprofiledbootstrap

[thirdparty/gcc.git] / gcc / lto / Make-lang.in

diff --git a/gcc/lto/Make-lang.in b/gcc/lto/Make-lang.in
index 28fe675dde1dee31e62d239bf9ac4aa2f410aac1..9b952767e139d390eb39d0896088b3b98fe3aa15 100644 (file)
--- a/gcc/lto/Make-lang.in
+++ b/gcc/lto/Make-lang.in
@@ -25,6 +25,15 @@ LTO_EXE = lto1$(exeext)
 LTO_OBJS = lto/lto-lang.o lto/lto.o lto/lto-object.o attribs.o lto/lto-partition.o lto/lto-symtab.o
 lto_OBJS = $(LTO_OBJS)
 
+# this is only useful in a LTO bootstrap, but this does not work right
+# now. Should reenable after this is fixed, but only when LTO bootstrap
+# is enabled.
+
+#ifeq ($(shell cat ../stage_current),stageautofeedback)
+#$(LTO_OBJS): CFLAGS += -fauto-profile=lto1.fda
+#$(LTO_OBJS): lto1.fda
+#endif
+
 # Rules
 
 # These hooks are used by the main GCC Makefile.  Consult that
@@ -50,7 +59,7 @@ lto.srcinfo:
 lto.install-plugin:
 
 lto.mostlyclean:
-       rm -f $(LTO_OBJS) $(LTO_EXE)
+       rm -f $(LTO_OBJS) $(LTO_EXE) lto1.fda
 
 lto.clean:
 lto.distclean:
@@ -71,5 +80,8 @@ $(LTO_EXE): $(LTO_OBJS) $(BACKEND) $(LIBDEPS)
        +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
                $(LTO_OBJS) $(BACKEND) $(BACKENDLIBS) $(LIBS)
 
+lto1.fda: ../prev-gcc/lto1$(exeext) ../prev-gcc/$(PERF_DATA)
+       $(CREATE_GCOV) -binary ../prev-gcc/lto1$(exeext) -gcov lto1.fda -profile ../prev-gcc/$(PERF_DATA) -gcov_version 1
+
 # LTO testing is done as part of C/C++/Fortran etc. testing.
 check-lto: