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
This commit is contained in:
Zack Weinberg
parent
649eaf9bfd
commit
2d295af59d
@ -1,3 +1,10 @@
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2003-03-21 Zack Weinberg <zack@codesourcery.com>
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* aclocal.m4 (gcc_AC_EXAMINE_OBJECT, gcc_AC_C_FLOAT_FORMAT): Delete.
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* configure.in: Don't call gcc_AC_C_FLOAT_FORMAT.
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* defaults.h: Remove reference to HOST_FLOAT_WORDS_BIG_ENDIAN
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in comment.
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2003-03-21 DJ Delorie <dj@redhat.com>
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* optabs.c (init_integral_libfuncs): Make sure we init at least up
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@ -16,7 +23,7 @@
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variables in macros.
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2003-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
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Richard Henderson <rth@redhat.com>
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Richard Henderson <rth@redhat.com>
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PR optimization/8366
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* config/sparc/sparc.h: (SYMBOLIC_CONST): New macro.
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@ -45,7 +52,7 @@
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mingw. Simplify special spec logic. Define "wrappers" around
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certain include path defines to accommodate -mno-cygwin.
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Remove some #if 0'ed code.
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(STANDARD_INCLUDE_DIR) Always define when not cross-compiling.
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(STANDARD_INCLUDE_DIR) Always define when not cross-compiling.
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(LINK_SPEC): Don't use cyg search prefix when -mno-cygwin.
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(GCC_DRIVER_HOST_INITIALIZATION): Define as call to mingw_scan.
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* config/i386/mingw32.h: Remove definitions common to cygwin and
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@ -67,14 +74,14 @@
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operands in case MULT_EXPR of 2003-02-16 patch.
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2003-03-20 Daniel Berlin <dberlin@dberlin.org>
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Merge changes from new-regalloc-branch
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Merge changes from new-regalloc-branch
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From Michael Matz <matz@suse.de>
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* df.c (df_ref_record_1): Move init of loc to safe point.
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Only recurse on interesting things in parallels.
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Handle CLASS_CANNOT_CHANGE_MODE smarter.
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(df_uses_record): Ditto.
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* df.h (DF_REF_MEM_OK): New enum member, used to mark ref's which
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it's already okay to use memory operands in (IE doesn't require
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adding another insn or anything).
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@ -134,9 +141,9 @@
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* cpplib.h: Update declaration to match.
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* c-opts.c (push_command_line_line, finish_options): Change
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cpp_rename_file calls to cpp_change_file.
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* line-map.c (add_line_map): Allow leaving the outermost file.
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Allowing entering an outermost-file after the initial time.
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Allowing entering an outermost-file after the initial time.
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* toplev.c (pop_srcloc): Allow popping from initial file.
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@ -190,7 +197,7 @@
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not index register.
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* config/s390/s390.md ("*tsthiCCT_only"): Remove '?' from
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Q alternative.
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("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi",
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("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi",
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"*movdf_64", "*movsf"): Add '?' to Q->Q alternatives.
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("*extractqi", "*extracthi", "*zero_extendhisi2_31",
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"*zero_extendqisi2_31", "*zero_extendqihi2_31",
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139
gcc/aclocal.m4
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139
gcc/aclocal.m4
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@ -885,145 +885,6 @@ elif test $ac_cv_c_charset = EBCDIC; then
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[Define if the host execution character set is EBCDIC.])
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fi])
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dnl Utility macro used by next two tests.
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dnl AC_EXAMINE_OBJECT(C source code,
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dnl commands examining object file,
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dnl [commands to run if compile failed]):
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dnl
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dnl Compile the source code to an object file; then convert it into a
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dnl printable representation. All unprintable characters and
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dnl asterisks (*) are replaced by dots (.). All white space is
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dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the
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dnl output, but runs of newlines are compressed to a single newline.
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dnl Finally, line breaks are forcibly inserted so that no line is
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dnl longer than 80 columns and the file ends with a newline. The
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dnl result of all this processing is in the file conftest.dmp, which
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dnl may be examined by the commands in the second argument.
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dnl
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AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
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[AC_LANG_SAVE
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AC_LANG_C
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dnl Next bit cribbed from AC_TRY_COMPILE.
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cat > conftest.$ac_ext <<EOF
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[#line __oline__ "configure"
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#include "confdefs.h"
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$1
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]EOF
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if AC_TRY_EVAL(ac_compile); then
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od -c conftest.o |
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sed ['s/^[0-7]*[ ]*/ /
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s/\*/./g
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s/ \\n/*/g
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s/ [0-9][0-9][0-9]/./g
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s/ \\[^ ]/./g'] |
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tr -d '
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' | tr -s '*' '
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' | fold | sed '$a\
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' > conftest.dmp
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$2
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ifelse($3, , , else
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$3
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)dnl
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fi
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rm -rf conftest*
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AC_LANG_RESTORE])
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dnl Floating point format probe.
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dnl The basic concept is the same as the above: grep the object
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dnl file for an interesting string. We have to watch out for
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dnl rounding changing the values in the object, however; this is
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dnl handled by ignoring the least significant byte of the float.
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dnl
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dnl Does not know about VAX G-float or C4x idiosyncratic format.
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dnl It does know about PDP-10 idiosyncratic format, but this is
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dnl not presently supported by GCC. S/390 "binary floating point"
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dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
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dnl as ASCII?)
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dnl
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AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
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[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
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[gcc_AC_EXAMINE_OBJECT(
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[/* This will not work unless sizeof(double) == 8. */
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extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
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/* This structure must have no internal padding. */
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struct possibility {
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char prefix[8];
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double candidate;
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char postfix[8];
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};
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#define C(cand) { "\nformat:", cand, ":tamrof\n" }
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struct possibility table [] =
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{
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C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
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C( 3.53802595280598432000e+18), /* D__float - VAX */
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C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
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C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
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C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */
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};],
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[if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='IEEE (big-endian)'
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elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='IEEE (big-endian)'
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elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='IEEE (little-endian)'
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elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='IEEE (little-endian)'
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elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='VAX D-float'
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elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='PDP-10'
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elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
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ac_cv_c_float_format='IBM 370 hex'
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else
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AC_MSG_ERROR(Unknown floating point format)
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fi],
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[AC_MSG_ERROR(compile failed)])
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])
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# IEEE is the default format. If the float endianness isn't the same
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# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
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# (which is a tristate: yes, no, default). This is only an issue with
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# IEEE; the other formats are only supported by a few machines each,
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# all with the same endianness.
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format=
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fbigend=
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case $ac_cv_c_float_format in
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'IEEE (big-endian)' )
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if test $ac_cv_c_bigendian = no; then
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fbigend=1
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fi
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;;
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'IEEE (little-endian)' )
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if test $ac_cv_c_bigendian = yes; then
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fbigend=0
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fi
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;;
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'VAX D-float' )
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format=VAX_FLOAT_FORMAT
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;;
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'PDP-10' )
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format=PDP10_FLOAT_FORMAT
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;;
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'IBM 370 hex' )
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format=IBM_FLOAT_FORMAT
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;;
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esac
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if test -n "$format"; then
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AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
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[Define to the floating point format of the host machine, if not IEEE.])
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fi
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if test -n "$fbigend"; then
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AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
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[Define to 1 if the host machine stores floating point numbers in
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memory with the word containing the sign bit at the lowest address,
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or to 0 if it does it the other way around.
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This macro should not be defined if the ordering is the same as for
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multi-word integers.])
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fi
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])
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#serial AM2
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dnl From Bruno Haible.
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@ -1,4 +1,4 @@
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/* config.in. Generated automatically from configure.in by autoheader. */
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/* config.in. Generated automatically from configure.in by autoheader 2.13. */
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/* Define if using alloca.c. */
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#undef C_ALLOCA
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@ -382,17 +382,6 @@
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/* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
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#undef BYTEORDER
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/* Define to the floating point format of the host machine, if not IEEE. */
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#undef HOST_FLOAT_FORMAT
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/* Define to 1 if the host machine stores floating point numbers in
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memory with the word containing the sign bit at the lowest address,
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or to 0 if it does it the other way around.
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This macro should not be defined if the ordering is the same as for
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multi-word integers. */
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#undef HOST_FLOAT_WORDS_BIG_ENDIAN
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/* Define if you have a working <inttypes.h> header file. */
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#undef HAVE_INTTYPES_H
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512
gcc/configure
vendored
512
gcc/configure
vendored
File diff suppressed because it is too large
Load Diff
@ -697,7 +697,6 @@ AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
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# These tests can't be done till we know if we have limits.h.
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gcc_AC_C_CHAR_BIT
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AC_C_BIGENDIAN_CROSS
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gcc_AC_C_FLOAT_FORMAT
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# --------
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# UNSORTED
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@ -572,9 +572,8 @@ You Lose! You must define PREFERRED_DEBUGGING_TYPE!
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&& !ROUND_TOWARDS_ZERO)
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#endif
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/* If FLOAT_WORDS_BIG_ENDIAN and HOST_FLOAT_WORDS_BIG_ENDIAN are not defined
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in the header files, then this implies the word-endianness is the same as
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for integers. */
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/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files,
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then the word-endianness is the same as for integers. */
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#ifndef FLOAT_WORDS_BIG_ENDIAN
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#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
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#endif
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