configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler check.

        * configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler
        check.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an
        alignment field, if it is supported.

From-SVN: r139979

5 files changed, 64 insertions, 4 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4b6612f..d3d023e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2008-09-04  Nick Clifton  <nickc@redhat.com>
+
+	* configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler
+	check.
+	* configure: Regenerate.
+	* config.in: Regenerate.
+	* config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an
+	alignment field, if it is supported.
+
 2008-09-04  Kai Tietz  <kai.tietz@onevision.com>
 
 	* config/i386/t-mingw32 (SHLIB_LC): Change order of import
diff --git a/gcc/config.in b/gcc/config.in
index 17bdeb4..30a67a7 100644
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -377,11 +377,13 @@
 #undef HAVE_AS_TLS
 #endif
 
+
 /* Define if your assembler supports VSX instructions. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_AS_VSX
 #endif
 
+
 /* Define to 1 if you have the `atoll' function. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_ATOLL
@@ -846,6 +848,12 @@
 /* Define if your assembler and linker support .hidden. */
 #undef HAVE_GAS_HIDDEN
 
+/* Define if your assembler supports .lcomm with an alignment field. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_GAS_LCOMM_WITH_ALIGNMENT
+#endif
+
+
 /* Define if your assembler supports .literal16. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_GAS_LITERAL16
diff --git a/gcc/config/i386/bsd.h b/gcc/config/i386/bsd.h
index 2e63f5e..0256a61 100644
--- a/gcc/config/i386/bsd.h
+++ b/gcc/config/i386/bsd.h
@@ -65,6 +65,13 @@ along with GCC; see the file COPYING3.  If not see
   assemble_name ((FILE), (NAME)),		\
   fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
 
+#ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT
+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT)  \
+( fputs (".lcomm ", (FILE)),			\
+  assemble_name ((FILE), (NAME)),		\
+  fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT))
+#endif
+
 /* This is how to output an assembler line
    that says to advance the location counter
    to a multiple of 2**LOG bytes.  */
diff --git a/gcc/configure b/gcc/configure
index eb368c5..e6535fb 100755
--- a/gcc/configure
+++ b/gcc/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 build_libsubdir build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT GNATBIND ac_ct_GNATBIND GNATMAKE ac_ct_GNATMAKE NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP EGREP loose_warn strict_warn warn_cflags nocommon_flag TREEBROWSER valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_decimal_float enable_fixed_point enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep PKGVERSION REPORT_BUGS_TO REPORT_BUGS_TEXI datarootdir docdir htmldir SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LTLIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file extra_opt_files USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS BUILD_LDFLAGS STMP_FIXINC STMP_FIXPROTO collect2 LIBTOOL SED FGREP GREP LD DUMPBIN ac_ct_DUMPBIN ac_ct_AR STRIP ac_ct_STRIP lt_ECHO objdir enable_fast_install gcc_cv_as ORIGINAL_AS_FOR_TARGET gcc_cv_ld ORIGINAL_LD_FOR_TARGET gcc_cv_nm ORIGINAL_NM_FOR_TARGET gcc_cv_objdump libgcc_visibility GGC zlibdir zlibinc MAINT gcc_tooldir dollar slibdir subdirs srcdir all_compilers all_gtfiles all_lang_makefrags all_lang_makefiles all_languages all_selected_languages build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines build_file_translate check_languages cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs fortran_target_objs target_cpu_default GMPLIBS GMPINC PPLLIBS PPLINC CLOOGLIBS CLOOGINC GRAPHITE 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 build_libsubdir build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT GNATBIND ac_ct_GNATBIND GNATMAKE ac_ct_GNATMAKE NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP EGREP loose_warn strict_warn warn_cflags nocommon_flag TREEBROWSER valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_decimal_float enable_fixed_point enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep PKGVERSION REPORT_BUGS_TO REPORT_BUGS_TEXI datarootdir docdir htmldir SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LTLIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file extra_opt_files USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS BUILD_LDFLAGS STMP_FIXINC STMP_FIXPROTO collect2 LIBTOOL SED FGREP GREP LD DUMPBIN ac_ct_DUMPBIN ac_ct_AR STRIP ac_ct_STRIP lt_ECHO objdir enable_fast_install gcc_cv_as ORIGINAL_AS_FOR_TARGET gcc_cv_ld ORIGINAL_LD_FOR_TARGET gcc_cv_nm ORIGINAL_NM_FOR_TARGET gcc_cv_objdump libgcc_visibility GGC zlibdir zlibinc MAINT gcc_tooldir dollar slibdir subdirs srcdir all_compilers all_gtfiles all_lang_makefrags all_lang_makefiles all_languages all_selected_languages build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines build_file_translate check_languages cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs fortran_target_objs target_cpu_default GMPLIBS GMPINC PPLLIBS PPLINC CLOOGLIBS CLOOGINC LIBOBJS LTLIBOBJS'
 ac_subst_files='language_hooks'
 ac_pwd=`pwd`
 
@@ -23114,6 +23114,39 @@ _ACEOF
 fi
 fi
 
+echo "$as_me:$LINENO: checking assembler for .lcomm with alignment" >&5
+echo $ECHO_N "checking assembler for .lcomm with alignment... $ECHO_C" >&6
+if test "${gcc_cv_as_lcomm_with_alignment+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  gcc_cv_as_lcomm_with_alignment=no
+  if test x$gcc_cv_as != x; then
+    echo '.lcomm bar,4,16' > conftest.s
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }
+    then
+	gcc_cv_as_lcomm_with_alignment=yes
+    else
+      echo "configure: failed program was" >&5
+      cat conftest.s >&5
+    fi
+    rm -f conftest.o conftest.s
+  fi
+fi
+echo "$as_me:$LINENO: result: $gcc_cv_as_lcomm_with_alignment" >&5
+echo "${ECHO_T}$gcc_cv_as_lcomm_with_alignment" >&6
+if test $gcc_cv_as_lcomm_with_alignment = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_GAS_LCOMM_WITH_ALIGNMENT 1
+_ACEOF
+
+fi
+
 echo "$as_me:$LINENO: checking assembler for tolerance to line number 0" >&5
 echo $ECHO_N "checking assembler for tolerance to line number 0... $ECHO_C" >&6
 if test "${gcc_cv_as_line_zero+set}" = set; then
@@ -24028,10 +24061,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_cloog 1
 _ACEOF
 
-   GRAPHITE=graphite.o
 fi
 
-
 # Configure the subdirectories
 # AC_CONFIG_SUBDIRS($subdirs)
 
@@ -24864,7 +24895,6 @@ s,@PPLLIBS@,$PPLLIBS,;t t
 s,@PPLINC@,$PPLINC,;t t
 s,@CLOOGLIBS@,$CLOOGLIBS,;t t
 s,@CLOOGINC@,$CLOOGINC,;t t
-s,@GRAPHITE@,$GRAPHITE,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t
 s,@LTLIBOBJS@,$LTLIBOBJS,;t t
 /@language_hooks@/r $language_hooks
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 37ed678..e81b203 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -3177,6 +3177,12 @@ if test x"$insn" != x; then
 [Define if your assembler supports the --debug-prefix-map option.])])
 fi
 
+gcc_GAS_CHECK_FEATURE([.lcomm with alignment], gcc_cv_as_lcomm_with_alignment,
+ ,,
+[.lcomm bar,4,16],,
+[AC_DEFINE(HAVE_GAS_LCOMM_WITH_ALIGNMENT, 1,
+  [Define if your assembler supports .lcomm with an alignment field.])])
+
 AC_CACHE_CHECK([assembler for tolerance to line number 0],
  [gcc_cv_as_line_zero],
  [gcc_cv_as_line_zero=no