Upgrade gcc-4.4.3 for Android toolchain.

- Backport upstream patches to support arm hardfp.
- Backport gcc-4.5 patches to support -march=atom. Now it is
able to build atom toolchain with glibc from this branch
- Develop a bunch of optimizations
- Fix a few arm dejagnu failures

To-do list:
- Support Android/atom
- Fix ia32 bootstrap failure

Change-Id: I5e10dcd21620d4d8ca984d1d1707a76067e61691

3 files changed, 38 insertions, 22 deletions

diff --git a/gcc-4.4.3/libmudflap/Makefile.in b/gcc-4.4.3/libmudflap/Makefile.in
index d3d4be353..7985ad6e7 100644
--- a/gcc-4.4.3/libmudflap/Makefile.in
+++ b/gcc-4.4.3/libmudflap/Makefile.in
@@ -253,9 +253,17 @@ ACLOCAL_AMFLAGS = -I .. -I ../config
 MAINT_CHARSET = latin1
 SUBDIRS = testsuite
 
+# Some stuff don't compile with SSP and FORTIFY_SOURCE
+enable_esp = @enable_esp@
+ifeq ($(enable_esp),yes)
+	NO_ESP_CFLAGS = -fno-stack-protector -U_FORTIFY_SOURCE
+else
+	NO_ESP_CFLAGS =
+endif
+
 # May be used by various substitution variables.
 gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
-AM_CFLAGS = -Wall $(SECTION_FLAGS)
+AM_CFLAGS = -Wall $(SECTION_FLAGS) $(NO_ESP_CFLAGS)
 @LIBMUDFLAPTH_FALSE@libmudflapth = 
 @LIBMUDFLAPTH_TRUE@libmudflapth = libmudflapth.la
 toolexeclib_LTLIBRARIES = libmudflap.la $(libmudflapth)
diff --git a/gcc-4.4.3/libmudflap/configure b/gcc-4.4.3/libmudflap/configure
index 14abb1f03..0baab2358 100755
--- a/gcc-4.4.3/libmudflap/configure
+++ b/gcc-4.4.3/libmudflap/configure
@@ -458,7 +458,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT multi_basedir CC ac_ct_CC EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CFLAGS CPP CPPFLAGS CXX CXXFLAGS LDFLAGS ac_ct_CXX CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE EGREP LIBTOOL SED FGREP GREP LD DUMPBIN ac_ct_DUMPBIN NM LN_S OBJDUMP ac_ct_OBJDUMP AR ac_ct_AR RANLIB ac_ct_RANLIB lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CXXCPP enable_shared enable_static MF_HAVE_STDINT_H MF_HAVE_UINTPTR_T LIBMUDFLAPTH_TRUE LIBMUDFLAPTH_FALSE build_libmudflapth toolexecdir toolexeclibdir ac_ct_NM SECTION_FLAGS LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar enable_esp MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT multi_basedir CC ac_ct_CC EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CFLAGS CPP CPPFLAGS CXX CXXFLAGS LDFLAGS ac_ct_CXX CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE EGREP LIBTOOL SED FGREP GREP LD DUMPBIN ac_ct_DUMPBIN NM LN_S OBJDUMP ac_ct_OBJDUMP AR ac_ct_AR RANLIB ac_ct_RANLIB lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CXXCPP enable_shared enable_static MF_HAVE_STDINT_H MF_HAVE_UINTPTR_T LIBMUDFLAPTH_TRUE LIBMUDFLAPTH_FALSE build_libmudflapth toolexecdir toolexeclibdir ac_ct_NM SECTION_FLAGS LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 ac_pwd=`pwd`
 
@@ -2053,6 +2053,8 @@ am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
 
 
 
+
+
 echo "$as_me:$LINENO: checking for --enable-version-specific-runtime-libs" >&5
 echo $ECHO_N "checking for --enable-version-specific-runtime-libs... $ECHO_C" >&6
 # Check whether --enable-version-specific-runtime-libs or --disable-version-specific-runtime-libs was given.
@@ -6250,13 +6252,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:6253: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:6255: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:6256: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:6258: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:6259: output\"" >&5)
+  (eval echo "\"\$as_me:6261: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -7413,7 +7415,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 7416 "configure"' > conftest.$ac_ext
+  echo '#line 7418 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -9435,11 +9437,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9438: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9440: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9442: \$? = $ac_status" >&5
+   echo "$as_me:9444: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9774,11 +9776,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9777: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9779: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9781: \$? = $ac_status" >&5
+   echo "$as_me:9783: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9879,11 +9881,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9882: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9884: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9886: \$? = $ac_status" >&5
+   echo "$as_me:9888: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9934,11 +9936,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9937: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9939: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9941: \$? = $ac_status" >&5
+   echo "$as_me:9943: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -12746,7 +12748,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12749 "configure"
+#line 12751 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12842,7 +12844,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12845 "configure"
+#line 12847 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14858,11 +14860,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14861: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14863: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14865: \$? = $ac_status" >&5
+   echo "$as_me:14867: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -14957,11 +14959,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14960: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14962: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14964: \$? = $ac_status" >&5
+   echo "$as_me:14966: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -15009,11 +15011,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:15012: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:15014: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:15016: \$? = $ac_status" >&5
+   echo "$as_me:15018: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -17778,6 +17780,9 @@ ac_configure_args="${multilib_arg} ${ac_configure_args}"
 multi_basedir="$multi_basedir"
 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 CC="$CC"
+CXX="$CXX"
+GFORTRAN="$GFORTRAN"
+GCJ="$GCJ"
 AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
 
 
@@ -18267,6 +18272,7 @@ s,@am__leading_dot@,$am__leading_dot,;t t
 s,@AMTAR@,$AMTAR,;t t
 s,@am__tar@,$am__tar,;t t
 s,@am__untar@,$am__untar,;t t
+s,@enable_esp@,$enable_esp,;t t
 s,@MAINTAINER_MODE_TRUE@,$MAINTAINER_MODE_TRUE,;t t
 s,@MAINTAINER_MODE_FALSE@,$MAINTAINER_MODE_FALSE,;t t
 s,@MAINT@,$MAINT,;t t
diff --git a/gcc-4.4.3/libmudflap/configure.ac b/gcc-4.4.3/libmudflap/configure.ac
index 359573a7e..510e7eaef 100644
--- a/gcc-4.4.3/libmudflap/configure.ac
+++ b/gcc-4.4.3/libmudflap/configure.ac
@@ -9,6 +9,8 @@ ACX_NONCANONICAL_TARGET
 
 AM_INIT_AUTOMAKE
 
+AC_SUBST([enable_esp])
+
 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
 AC_ARG_ENABLE(version-specific-runtime-libs,
 [  --enable-version-specific-runtime-libs    Specify that runtime libraries should be installed in a compiler-specific directory ],