aclocal.m4 (gcc_AC_EXAMINE_OBJECT, [...]): Delete.

	* aclocal.m4 (gcc_AC_EXAMINE_OBJECT, gcc_AC_C_FLOAT_FORMAT): Delete.
	* configure.in: Don't call gcc_AC_C_FLOAT_FORMAT.
	* defaults.h: Remove reference to HOST_FLOAT_WORDS_BIG_ENDIAN
	in comment.

From-SVN: r64672

gcc/ChangeLog

+2003-03-21  Zack Weinberg  <zack@codesourcery.com>
+
+	* aclocal.m4 (gcc_AC_EXAMINE_OBJECT, gcc_AC_C_FLOAT_FORMAT): Delete.
+	* configure.in: Don't call gcc_AC_C_FLOAT_FORMAT.
+	* defaults.h: Remove reference to HOST_FLOAT_WORDS_BIG_ENDIAN
+	in comment.
+
 2003-03-21  DJ Delorie  <dj@redhat.com>
 
 	* optabs.c (init_integral_libfuncs): Make sure we init at least up
@@ -16,7 +23,7 @@
 	variables in macros.
 
 2003-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
-            Richard Henderson  <rth@redhat.com>
+	    Richard Henderson  <rth@redhat.com>
 
 	PR optimization/8366
 	* config/sparc/sparc.h: (SYMBOLIC_CONST): New macro.
@@ -45,7 +52,7 @@
 	mingw.	Simplify special spec logic.  Define "wrappers" around
 	certain include path defines to accommodate -mno-cygwin.
 	Remove some #if 0'ed code.
-	(STANDARD_INCLUDE_DIR) Always define when not cross-compiling.	
+	(STANDARD_INCLUDE_DIR) Always define when not cross-compiling.
 	(LINK_SPEC): Don't use cyg search prefix when -mno-cygwin.
 	(GCC_DRIVER_HOST_INITIALIZATION): Define as call to mingw_scan.
 	* config/i386/mingw32.h: Remove definitions common to cygwin and
@@ -67,14 +74,14 @@
 	operands in case MULT_EXPR of 2003-02-16 patch.
 
 2003-03-20  Daniel Berlin  <dberlin@dberlin.org>
-	Merge changes from new-regalloc-branch 
+	Merge changes from new-regalloc-branch
 
 	From Michael Matz  <matz@suse.de>
 	* df.c (df_ref_record_1): Move init of loc to safe point.
 	Only recurse on interesting things in parallels.
 	Handle CLASS_CANNOT_CHANGE_MODE smarter.
 	(df_uses_record): Ditto.
-	
+
 	* df.h (DF_REF_MEM_OK): New enum member, used to mark ref's which
 	it's already okay to use memory operands in (IE doesn't require
 	adding another insn or anything).
@@ -134,9 +141,9 @@
 	* cpplib.h:  Update declaration to match.
 	* c-opts.c (push_command_line_line, finish_options):  Change
 	cpp_rename_file calls to cpp_change_file.
-	
+
 	* line-map.c (add_line_map):  Allow leaving the outermost file.
-	Allowing entering an outermost-file after the initial time. 
+	Allowing entering an outermost-file after the initial time.
 
 	* toplev.c (pop_srcloc):  Allow popping from initial file.
 
@@ -190,7 +197,7 @@
 	not index register.
 	* config/s390/s390.md ("*tsthiCCT_only"): Remove '?' from
 	Q alternative.
-	("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi", 
+	("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi",
 	"*movdf_64", "*movsf"): Add '?' to Q->Q alternatives.
 	("*extractqi", "*extracthi", "*zero_extendhisi2_31",
 	"*zero_extendqisi2_31", "*zero_extendqihi2_31",

gcc/aclocal.m4

@@ -885,145 +885,6 @@ elif test $ac_cv_c_charset = EBCDIC; then
   [Define if the host execution character set is EBCDIC.])
 fi])
 
-dnl Utility macro used by next two tests.
-dnl AC_EXAMINE_OBJECT(C source code,
-dnl	commands examining object file,
-dnl	[commands to run if compile failed]):
-dnl
-dnl Compile the source code to an object file; then convert it into a
-dnl printable representation.  All unprintable characters and
-dnl asterisks (*) are replaced by dots (.).  All white space is
-dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
-dnl output, but runs of newlines are compressed to a single newline.
-dnl Finally, line breaks are forcibly inserted so that no line is
-dnl longer than 80 columns and the file ends with a newline.  The
-dnl result of all this processing is in the file conftest.dmp, which
-dnl may be examined by the commands in the second argument.
-dnl
-AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
-[AC_LANG_SAVE
-AC_LANG_C
-dnl Next bit cribbed from AC_TRY_COMPILE.
-cat > conftest.$ac_ext <<EOF
-[#line __oline__ "configure"
-#include "confdefs.h"
-$1
-]EOF
-if AC_TRY_EVAL(ac_compile); then
-  od -c conftest.o |
-    sed ['s/^[0-7]*[ 	]*/ /
-	  s/\*/./g
-	  s/ \\n/*/g
-	  s/ [0-9][0-9][0-9]/./g
-	  s/  \\[^ ]/./g'] |
-    tr -d '
- ' | tr -s '*' '
-' | fold | sed '$a\
-' > conftest.dmp
-  $2
-ifelse($3, , , else
-  $3
-)dnl
-fi
-rm -rf conftest*
-AC_LANG_RESTORE])
-
-dnl Floating point format probe.
-dnl The basic concept is the same as the above: grep the object
-dnl file for an interesting string.  We have to watch out for
-dnl rounding changing the values in the object, however; this is
-dnl handled by ignoring the least significant byte of the float.
-dnl
-dnl Does not know about VAX G-float or C4x idiosyncratic format.
-dnl It does know about PDP-10 idiosyncratic format, but this is
-dnl not presently supported by GCC.  S/390 "binary floating point"
-dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
-dnl as ASCII?)
-dnl
-AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
-[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
-[gcc_AC_EXAMINE_OBJECT(
-[/* This will not work unless sizeof(double) == 8.  */
-extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
-
-/* This structure must have no internal padding.  */
-struct possibility {
-  char prefix[8];
-  double candidate;
-  char postfix[8];
-};
-
-#define C(cand) { "\nformat:", cand, ":tamrof\n" }
-struct possibility table [] =
-{
-  C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
-  C( 3.53802595280598432000e+18), /* D__float - VAX */
-  C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
-  C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
-  C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
-};],
- [if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='IEEE (big-endian)'
-  elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='IEEE (big-endian)'
-  elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='IEEE (little-endian)'
-  elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='IEEE (little-endian)'
-  elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='VAX D-float'
-  elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='PDP-10'
-  elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
-    ac_cv_c_float_format='IBM 370 hex'
-  else
-    AC_MSG_ERROR(Unknown floating point format)
-  fi],
-  [AC_MSG_ERROR(compile failed)])
-])
-# IEEE is the default format.  If the float endianness isn't the same
-# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
-# (which is a tristate: yes, no, default).  This is only an issue with
-# IEEE; the other formats are only supported by a few machines each,
-# all with the same endianness.
-format=
-fbigend=
-case $ac_cv_c_float_format in
-    'IEEE (big-endian)' )
-	if test $ac_cv_c_bigendian = no; then
-	    fbigend=1
-	fi
-	;;
-    'IEEE (little-endian)' )
-	if test $ac_cv_c_bigendian = yes; then
-	    fbigend=0
-	fi
-	;;
-    'VAX D-float' )
-	format=VAX_FLOAT_FORMAT
-	;;
-    'PDP-10' )
-	format=PDP10_FLOAT_FORMAT
-	;;
-    'IBM 370 hex' )
-	format=IBM_FLOAT_FORMAT
-	;;
-esac
-if test -n "$format"; then
-	AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
-  [Define to the floating point format of the host machine, if not IEEE.])
-fi
-if test -n "$fbigend"; then
-	AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
-  [Define to 1 if the host machine stores floating point numbers in
-   memory with the word containing the sign bit at the lowest address,
-   or to 0 if it does it the other way around.
-
-   This macro should not be defined if the ordering is the same as for
-   multi-word integers.])
-fi
-])
-
 #serial AM2
 
 dnl From Bruno Haible.

gcc/config.in

-/* config.in.  Generated automatically from configure.in by autoheader.  */
+/* config.in.  Generated automatically from configure.in by autoheader 2.13.  */
 
 /* Define if using alloca.c.  */
 #undef C_ALLOCA
@@ -382,17 +382,6 @@
 /* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
 #undef BYTEORDER
 
-/* Define to the floating point format of the host machine, if not IEEE. */
-#undef HOST_FLOAT_FORMAT
-
-/* Define to 1 if the host machine stores floating point numbers in
-   memory with the word containing the sign bit at the lowest address,
-   or to 0 if it does it the other way around.
-
-   This macro should not be defined if the ordering is the same as for
-   multi-word integers. */
-#undef HOST_FLOAT_WORDS_BIG_ENDIAN
-
 /* Define if you have a working <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 

gcc/configure.in

@@ -697,7 +697,6 @@ AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 # These tests can't be done till we know if we have limits.h.
 gcc_AC_C_CHAR_BIT
 AC_C_BIGENDIAN_CROSS
-gcc_AC_C_FLOAT_FORMAT
 
 # --------
 # UNSORTED

gcc/defaults.h

@@ -572,9 +572,8 @@ You Lose!  You must define PREFERRED_DEBUGGING_TYPE!
    && !ROUND_TOWARDS_ZERO)
 #endif
 
-/* If FLOAT_WORDS_BIG_ENDIAN and HOST_FLOAT_WORDS_BIG_ENDIAN are not defined
-   in the header files, then this implies the word-endianness is the same as
-   for integers.  */
+/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files,
+   then the word-endianness is the same as for integers.  */
 #ifndef FLOAT_WORDS_BIG_ENDIAN
 #define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
 #endif