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authorMarc Espie <espie@cvs.openbsd.org>2000-06-05 22:58:53 +0000
committerMarc Espie <espie@cvs.openbsd.org>2000-06-05 22:58:53 +0000
commitf7891fec658bbdaaa0c6b6b404e0117f25bcc9fc (patch)
treeb11b52218809181418c2cdc9fcce3844e49a69df
parent4b8bb462dc50037b8a2d3748769841c6fb66c7bc (diff)
Fix idiotic merge conflicts, regen configure
-rw-r--r--gnu/egcs/gcc/configure196
-rw-r--r--gnu/egcs/gcc/configure.in11
-rw-r--r--gnu/egcs/gcc/cse.c61
-rw-r--r--gnu/egcs/gcc/function.c59
-rw-r--r--gnu/egcs/gcc/invoke.texi57
-rw-r--r--gnu/egcs/gcc/toplev.c8
6 files changed, 223 insertions, 169 deletions
diff --git a/gnu/egcs/gcc/configure b/gnu/egcs/gcc/configure
index 87dac50665f..0e7b6e2adba 100644
--- a/gnu/egcs/gcc/configure
+++ b/gnu/egcs/gcc/configure
@@ -3750,11 +3750,10 @@ for machine in $build $host $target; do
i[34567]86-*-solaris2*)
xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
xm_defines="USG POSIX SMALL_ARG_MAX"
+ tm_file=i386/sol2.h
if test x$gas = xyes; then
# Only needed if gas does not support -s
- tm_file=i386/sol2gas.h
- else
- tm_file=i386/sol2.h
+ tm_file="i386/sol2gas.h ${tm_file}"
fi
tmake_file=i386/t-sol2
extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
@@ -4016,7 +4015,7 @@ for machine in $build $host $target; do
extra_headers=math-68881.h
;;
m68000-hp-hpux*) # HP 9000 series 300
- xm_file="xm_alloca.h ${xm_file}"
+ xm_file="xm-alloca.h ${xm_file}"
xm_defines="USG NO_SYS_SIGLIST"
if test x$gas = xyes
then
@@ -4217,7 +4216,7 @@ for machine in $build $host $target; do
extra_headers=math-68881.h
;;
m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
- xm_file="xm_alloca.h ${xm_file}"
+ xm_file="xm-alloca.h ${xm_file}"
xm_defines="USG NO_SYS_SIGLIST"
if test x$gas = xyes
then
@@ -4233,7 +4232,7 @@ for machine in $build $host $target; do
float_format=m68k
;;
m68k-hp-hpux*) # HP 9000 series 300
- xm_file="xm_alloca.h ${xm_file}"
+ xm_file="xm-alloca.h ${xm_file}"
xm_defines="USG NO_SYS_SIGLIST"
if test x$gas = xyes
then
@@ -6048,7 +6047,7 @@ fi
echo $ac_n "checking for strerror in -lcposix""... $ac_c" 1>&6
-echo "configure:6052: checking for strerror in -lcposix" >&5
+echo "configure:6051: checking for strerror in -lcposix" >&5
ac_lib_var=`echo cposix'_'strerror | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -6056,7 +6055,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lcposix $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 6060 "configure"
+#line 6059 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -6067,7 +6066,7 @@ int main() {
strerror()
; return 0; }
EOF
-if { (eval echo configure:6071: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6070: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -6090,12 +6089,12 @@ fi
echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:6094: checking for working const" >&5
+echo "configure:6093: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6099 "configure"
+#line 6098 "configure"
#include "confdefs.h"
int main() {
@@ -6144,7 +6143,7 @@ ccp = (char const *const *) p;
; return 0; }
EOF
-if { (eval echo configure:6148: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6147: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_const=yes
else
@@ -6165,21 +6164,21 @@ EOF
fi
echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:6169: checking for inline" >&5
+echo "configure:6168: checking for inline" >&5
if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_cv_c_inline=no
for ac_kw in inline __inline__ __inline; do
cat > conftest.$ac_ext <<EOF
-#line 6176 "configure"
+#line 6175 "configure"
#include "confdefs.h"
int main() {
} $ac_kw foo() {
; return 0; }
EOF
-if { (eval echo configure:6183: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6182: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_inline=$ac_kw; break
else
@@ -6205,12 +6204,12 @@ EOF
esac
echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:6209: checking for off_t" >&5
+echo "configure:6208: checking for off_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6214 "configure"
+#line 6213 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@@ -6238,12 +6237,12 @@ EOF
fi
echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:6242: checking for size_t" >&5
+echo "configure:6241: checking for size_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6247 "configure"
+#line 6246 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@@ -6273,19 +6272,19 @@ fi
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments. Useless!
echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:6277: checking for working alloca.h" >&5
+echo "configure:6276: checking for working alloca.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6282 "configure"
+#line 6281 "configure"
#include "confdefs.h"
#include <alloca.h>
int main() {
char *p = alloca(2 * sizeof(int));
; return 0; }
EOF
-if { (eval echo configure:6289: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6288: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_header_alloca_h=yes
else
@@ -6306,12 +6305,12 @@ EOF
fi
echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:6310: checking for alloca" >&5
+echo "configure:6309: checking for alloca" >&5
if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6315 "configure"
+#line 6314 "configure"
#include "confdefs.h"
#ifdef __GNUC__
@@ -6339,7 +6338,7 @@ int main() {
char *p = (char *) alloca(1);
; return 0; }
EOF
-if { (eval echo configure:6343: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6342: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_func_alloca_works=yes
else
@@ -6371,12 +6370,12 @@ EOF
echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:6375: checking whether alloca needs Cray hooks" >&5
+echo "configure:6374: checking whether alloca needs Cray hooks" >&5
if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6380 "configure"
+#line 6379 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
@@ -6401,12 +6400,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6405: checking for $ac_func" >&5
+echo "configure:6404: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6410 "configure"
+#line 6409 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@@ -6429,7 +6428,7 @@ $ac_func();
; return 0; }
EOF
-if { (eval echo configure:6433: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6432: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@@ -6456,7 +6455,7 @@ done
fi
echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:6460: checking stack direction for C alloca" >&5
+echo "configure:6459: checking stack direction for C alloca" >&5
if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -6464,7 +6463,7 @@ else
ac_cv_c_stack_direction=0
else
cat > conftest.$ac_ext <<EOF
-#line 6468 "configure"
+#line 6467 "configure"
#include "confdefs.h"
find_stack_direction ()
{
@@ -6483,7 +6482,7 @@ main ()
exit (find_stack_direction() < 0);
}
EOF
-if { (eval echo configure:6487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_c_stack_direction=1
else
@@ -6508,17 +6507,17 @@ for ac_hdr in unistd.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:6512: checking for $ac_hdr" >&5
+echo "configure:6511: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6517 "configure"
+#line 6516 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6522: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6521: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -6547,12 +6546,12 @@ done
for ac_func in getpagesize
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6551: checking for $ac_func" >&5
+echo "configure:6550: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6556 "configure"
+#line 6555 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@@ -6575,7 +6574,7 @@ $ac_func();
; return 0; }
EOF
-if { (eval echo configure:6579: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6578: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@@ -6600,7 +6599,7 @@ fi
done
echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:6604: checking for working mmap" >&5
+echo "configure:6603: checking for working mmap" >&5
if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -6608,7 +6607,7 @@ else
ac_cv_func_mmap_fixed_mapped=no
else
cat > conftest.$ac_ext <<EOF
-#line 6612 "configure"
+#line 6611 "configure"
#include "confdefs.h"
/* Thanks to Mike Haertel and Jim Avera for this test.
@@ -6748,7 +6747,7 @@ main()
}
EOF
-if { (eval echo configure:6752: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6751: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_func_mmap_fixed_mapped=yes
else
@@ -6776,17 +6775,17 @@ unistd.h sys/param.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:6780: checking for $ac_hdr" >&5
+echo "configure:6779: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6785 "configure"
+#line 6784 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6790: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6789: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -6816,12 +6815,12 @@ done
strdup __argz_count __argz_stringify __argz_next
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6820: checking for $ac_func" >&5
+echo "configure:6819: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6825 "configure"
+#line 6824 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@@ -6844,7 +6843,7 @@ $ac_func();
; return 0; }
EOF
-if { (eval echo configure:6848: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6847: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@@ -6873,12 +6872,12 @@ done
for ac_func in stpcpy
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6877: checking for $ac_func" >&5
+echo "configure:6876: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6882 "configure"
+#line 6881 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@@ -6901,7 +6900,7 @@ $ac_func();
; return 0; }
EOF
-if { (eval echo configure:6905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6904: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@@ -6935,19 +6934,19 @@ EOF
if test $ac_cv_header_locale_h = yes; then
echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
-echo "configure:6939: checking for LC_MESSAGES" >&5
+echo "configure:6938: checking for LC_MESSAGES" >&5
if eval "test \"`echo '$''{'am_cv_val_LC_MESSAGES'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 6944 "configure"
+#line 6943 "configure"
#include "confdefs.h"
#include <locale.h>
int main() {
return LC_MESSAGES
; return 0; }
EOF
-if { (eval echo configure:6951: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
am_cv_val_LC_MESSAGES=yes
else
@@ -6968,7 +6967,7 @@ EOF
fi
fi
echo $ac_n "checking whether NLS is requested""... $ac_c" 1>&6
-echo "configure:6972: checking whether NLS is requested" >&5
+echo "configure:6971: checking whether NLS is requested" >&5
# Check whether --enable-nls or --disable-nls was given.
if test "${enable_nls+set}" = set; then
enableval="$enable_nls"
@@ -6988,7 +6987,7 @@ fi
EOF
echo $ac_n "checking whether included gettext is requested""... $ac_c" 1>&6
-echo "configure:6992: checking whether included gettext is requested" >&5
+echo "configure:6991: checking whether included gettext is requested" >&5
# Check whether --with-included-gettext or --without-included-gettext was given.
if test "${with_included_gettext+set}" = set; then
withval="$with_included_gettext"
@@ -7007,17 +7006,17 @@ fi
ac_safe=`echo "libintl.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for libintl.h""... $ac_c" 1>&6
-echo "configure:7011: checking for libintl.h" >&5
+echo "configure:7010: checking for libintl.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 7016 "configure"
+#line 7015 "configure"
#include "confdefs.h"
#include <libintl.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7020: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -7034,19 +7033,19 @@ fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&6
echo $ac_n "checking for gettext in libc""... $ac_c" 1>&6
-echo "configure:7038: checking for gettext in libc" >&5
+echo "configure:7037: checking for gettext in libc" >&5
if eval "test \"`echo '$''{'gt_cv_func_gettext_libc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 7043 "configure"
+#line 7042 "configure"
#include "confdefs.h"
#include <libintl.h>
int main() {
return (int) gettext ("")
; return 0; }
EOF
-if { (eval echo configure:7050: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7049: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
gt_cv_func_gettext_libc=yes
else
@@ -7062,7 +7061,7 @@ echo "$ac_t""$gt_cv_func_gettext_libc" 1>&6
if test "$gt_cv_func_gettext_libc" != "yes"; then
echo $ac_n "checking for bindtextdomain in -lintl""... $ac_c" 1>&6
-echo "configure:7066: checking for bindtextdomain in -lintl" >&5
+echo "configure:7065: checking for bindtextdomain in -lintl" >&5
ac_lib_var=`echo intl'_'bindtextdomain | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -7070,7 +7069,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lintl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 7074 "configure"
+#line 7073 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -7081,7 +7080,7 @@ int main() {
bindtextdomain()
; return 0; }
EOF
-if { (eval echo configure:7085: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -7097,12 +7096,12 @@ fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
echo "$ac_t""yes" 1>&6
echo $ac_n "checking for gettext in libintl""... $ac_c" 1>&6
-echo "configure:7101: checking for gettext in libintl" >&5
+echo "configure:7100: checking for gettext in libintl" >&5
if eval "test \"`echo '$''{'gt_cv_func_gettext_libintl'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo $ac_n "checking for gettext in -lintl""... $ac_c" 1>&6
-echo "configure:7106: checking for gettext in -lintl" >&5
+echo "configure:7105: checking for gettext in -lintl" >&5
ac_lib_var=`echo intl'_'gettext | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -7110,7 +7109,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lintl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 7114 "configure"
+#line 7113 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -7121,7 +7120,7 @@ int main() {
gettext()
; return 0; }
EOF
-if { (eval echo configure:7125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7124: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -7160,7 +7159,7 @@ EOF
# Extract the first word of "msgfmt", so it can be a program name with args.
set dummy msgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7164: checking for $ac_word" >&5
+echo "configure:7163: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_MSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7194,12 +7193,12 @@ fi
for ac_func in dcgettext
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7198: checking for $ac_func" >&5
+echo "configure:7197: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 7203 "configure"
+#line 7202 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@@ -7222,7 +7221,7 @@ $ac_func();
; return 0; }
EOF
-if { (eval echo configure:7226: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7225: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@@ -7249,7 +7248,7 @@ done
# Extract the first word of "gmsgfmt", so it can be a program name with args.
set dummy gmsgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7253: checking for $ac_word" >&5
+echo "configure:7252: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7285,7 +7284,7 @@ fi
# Extract the first word of "xgettext", so it can be a program name with args.
set dummy xgettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7289: checking for $ac_word" >&5
+echo "configure:7288: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_XGETTEXT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7317,7 +7316,7 @@ else
fi
cat > conftest.$ac_ext <<EOF
-#line 7321 "configure"
+#line 7320 "configure"
#include "confdefs.h"
int main() {
@@ -7325,7 +7324,7 @@ extern int _nl_msg_cat_cntr;
return _nl_msg_cat_cntr
; return 0; }
EOF
-if { (eval echo configure:7329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7328: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
CATOBJEXT=.gmo
DATADIRNAME=share
@@ -7348,7 +7347,7 @@ fi
if test "$CATOBJEXT" = "NONE"; then
echo $ac_n "checking whether catgets can be used""... $ac_c" 1>&6
-echo "configure:7352: checking whether catgets can be used" >&5
+echo "configure:7351: checking whether catgets can be used" >&5
# Check whether --with-catgets or --without-catgets was given.
if test "${with_catgets+set}" = set; then
withval="$with_catgets"
@@ -7361,7 +7360,7 @@ fi
if test "$nls_cv_use_catgets" = "yes"; then
echo $ac_n "checking for main in -li""... $ac_c" 1>&6
-echo "configure:7365: checking for main in -li" >&5
+echo "configure:7364: checking for main in -li" >&5
ac_lib_var=`echo i'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -7369,14 +7368,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-li $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 7373 "configure"
+#line 7372 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:7380: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7379: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -7404,12 +7403,12 @@ else
fi
echo $ac_n "checking for catgets""... $ac_c" 1>&6
-echo "configure:7408: checking for catgets" >&5
+echo "configure:7407: checking for catgets" >&5
if eval "test \"`echo '$''{'ac_cv_func_catgets'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 7413 "configure"
+#line 7412 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char catgets(); below. */
@@ -7432,7 +7431,7 @@ catgets();
; return 0; }
EOF
-if { (eval echo configure:7436: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_catgets=yes"
else
@@ -7454,7 +7453,7 @@ EOF
# Extract the first word of "gencat", so it can be a program name with args.
set dummy gencat; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7458: checking for $ac_word" >&5
+echo "configure:7457: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_GENCAT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7490,7 +7489,7 @@ fi
# Extract the first word of "gmsgfmt", so it can be a program name with args.
set dummy gmsgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7494: checking for $ac_word" >&5
+echo "configure:7493: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7527,7 +7526,7 @@ fi
# Extract the first word of "msgfmt", so it can be a program name with args.
set dummy msgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7531: checking for $ac_word" >&5
+echo "configure:7530: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7562,7 +7561,7 @@ fi
# Extract the first word of "xgettext", so it can be a program name with args.
set dummy xgettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7566: checking for $ac_word" >&5
+echo "configure:7565: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_XGETTEXT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7620,7 +7619,7 @@ fi
# Extract the first word of "msgfmt", so it can be a program name with args.
set dummy msgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7624: checking for $ac_word" >&5
+echo "configure:7623: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_MSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7654,7 +7653,7 @@ fi
# Extract the first word of "gmsgfmt", so it can be a program name with args.
set dummy gmsgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7658: checking for $ac_word" >&5
+echo "configure:7657: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7690,7 +7689,7 @@ fi
# Extract the first word of "xgettext", so it can be a program name with args.
set dummy xgettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7694: checking for $ac_word" >&5
+echo "configure:7693: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_XGETTEXT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@@ -7783,7 +7782,7 @@ fi
LINGUAS=
else
echo $ac_n "checking for catalogs to be installed""... $ac_c" 1>&6
-echo "configure:7787: checking for catalogs to be installed" >&5
+echo "configure:7786: checking for catalogs to be installed" >&5
NEW_LINGUAS=
for lang in ${LINGUAS=$ALL_LINGUAS}; do
case "$ALL_LINGUAS" in
@@ -7811,17 +7810,17 @@ echo "configure:7787: checking for catalogs to be installed" >&5
if test "$CATOBJEXT" = ".cat"; then
ac_safe=`echo "linux/version.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for linux/version.h""... $ac_c" 1>&6
-echo "configure:7815: checking for linux/version.h" >&5
+echo "configure:7814: checking for linux/version.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 7820 "configure"
+#line 7819 "configure"
#include "confdefs.h"
#include <linux/version.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7825: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7824: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -8055,7 +8054,7 @@ fi
# Figure out what assembler alignment features are present.
echo $ac_n "checking assembler alignment features""... $ac_c" 1>&6
-echo "configure:8059: checking assembler alignment features" >&5
+echo "configure:8058: checking assembler alignment features" >&5
gcc_cv_as=
gcc_cv_as_alignment_features=
gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
@@ -8176,7 +8175,7 @@ fi
echo "$ac_t""$gcc_cv_as_alignment_features" 1>&6
echo $ac_n "checking assembler subsection support""... $ac_c" 1>&6
-echo "configure:8180: checking assembler subsection support" >&5
+echo "configure:8179: checking assembler subsection support" >&5
gcc_cv_as_subsections=
if test x$gcc_cv_as != x; then
# Check if we have .subsection
@@ -8216,7 +8215,7 @@ fi
echo "$ac_t""$gcc_cv_as_subsections" 1>&6
echo $ac_n "checking assembler instructions""... $ac_c" 1>&6
-echo "configure:8220: checking assembler instructions" >&5
+echo "configure:8219: checking assembler instructions" >&5
gcc_cv_as_instructions=
if test x$gcc_cv_as != x; then
set "filds fists" "filds mem; fists mem"
@@ -9123,7 +9122,6 @@ done
EOF
cat >> $CONFIG_STATUS <<EOF
-
host='${host}'
build='${build}'
target='${target}'
diff --git a/gnu/egcs/gcc/configure.in b/gnu/egcs/gcc/configure.in
index bdf4348a2fe..1addb4c12d2 100644
--- a/gnu/egcs/gcc/configure.in
+++ b/gnu/egcs/gcc/configure.in
@@ -1399,11 +1399,10 @@ changequote(,)dnl
changequote([,])dnl
xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
xm_defines="USG POSIX SMALL_ARG_MAX"
+ tm_file=i386/sol2.h
if test x$gas = xyes; then
# Only needed if gas does not support -s
- tm_file=i386/sol2gas.h
- else
- tm_file=i386/sol2.h
+ tm_file="i386/sol2gas.h ${tm_file}"
fi
tmake_file=i386/t-sol2
extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
@@ -1689,7 +1688,7 @@ changequote([,])dnl
extra_headers=math-68881.h
;;
m68000-hp-hpux*) # HP 9000 series 300
- xm_file="xm_alloca.h ${xm_file}"
+ xm_file="xm-alloca.h ${xm_file}"
xm_defines="USG NO_SYS_SIGLIST"
if test x$gas = xyes
then
@@ -1890,7 +1889,7 @@ changequote([,])dnl
extra_headers=math-68881.h
;;
m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
- xm_file="xm_alloca.h ${xm_file}"
+ xm_file="xm-alloca.h ${xm_file}"
xm_defines="USG NO_SYS_SIGLIST"
if test x$gas = xyes
then
@@ -1906,7 +1905,7 @@ changequote([,])dnl
float_format=m68k
;;
m68k-hp-hpux*) # HP 9000 series 300
- xm_file="xm_alloca.h ${xm_file}"
+ xm_file="xm-alloca.h ${xm_file}"
xm_defines="USG NO_SYS_SIGLIST"
if test x$gas = xyes
then
diff --git a/gnu/egcs/gcc/cse.c b/gnu/egcs/gcc/cse.c
index 35dfaa79028..8b87c72fb1e 100644
--- a/gnu/egcs/gcc/cse.c
+++ b/gnu/egcs/gcc/cse.c
@@ -1,5 +1,5 @@
/* Common subexpression elimination for GNU compiler.
- Copyright (C) 1987, 88, 89, 92-7, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1987, 88, 89, 92-99, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -42,12 +42,14 @@ Boston, MA 02111-1307, USA. */
expressions encountered with the cheapest equivalent expression.
It is too complicated to keep track of the different possibilities
- when control paths merge; so, at each label, we forget all that is
- known and start fresh. This can be described as processing each
- basic block separately. Note, however, that these are not quite
- the same as the basic blocks found by a later pass and used for
- data flow analysis and register packing. We do not need to start fresh
- after a conditional jump instruction if there is no label there.
+ when control paths merge in this code; so, at each label, we forget all
+ that is known and start fresh. This can be described as processing each
+ extended basic block separately. We have a separate pass to perform
+ global CSE.
+
+ Note CSE can turn a conditional or computed jump into a nop or
+ an unconditional jump. When this occurs we arrange to run the jump
+ optimizer after CSE to delete the unreachable code.
We use two data structures to record the equivalent expressions:
a hash table for most expressions, and several vectors together
@@ -7496,7 +7498,6 @@ cse_insn (insn, libcall_insn)
rtx new = emit_jump_insn_before (gen_jump (XEXP (src, 0)), insn);
JUMP_LABEL (new) = XEXP (src, 0);
LABEL_NUSES (XEXP (src, 0))++;
- delete_insn (insn);
insn = new;
}
else
@@ -7507,42 +7508,11 @@ cse_insn (insn, libcall_insn)
Until the right place is found, might as well do this here. */
INSN_CODE (insn) = -1;
- /* Now that we've converted this jump to an unconditional jump,
- there is dead code after it. Delete the dead code until we
- reach a BARRIER, the end of the function, or a label. Do
- not delete NOTEs except for NOTE_INSN_DELETED since later
- phases assume these notes are retained. */
-
- p = insn;
-
- while (NEXT_INSN (p) != 0
- && GET_CODE (NEXT_INSN (p)) != BARRIER
- && GET_CODE (NEXT_INSN (p)) != CODE_LABEL)
- {
- /* Note, we must update P with the return value from
- delete_insn, otherwise we could get an infinite loop
- if NEXT_INSN (p) had INSN_DELETED_P set. */
- if (GET_CODE (NEXT_INSN (p)) != NOTE
- || NOTE_LINE_NUMBER (NEXT_INSN (p)) == NOTE_INSN_DELETED)
- p = PREV_INSN (delete_insn (NEXT_INSN (p)));
- else
- p = NEXT_INSN (p);
- }
-
- /* If we don't have a BARRIER immediately after INSN, put one there.
- Much code assumes that there are no NOTEs between a JUMP_INSN and
- BARRIER. */
-
- if (NEXT_INSN (insn) == 0
- || GET_CODE (NEXT_INSN (insn)) != BARRIER)
- emit_barrier_before (NEXT_INSN (insn));
-
- /* We might have two BARRIERs separated by notes. Delete the second
- one if so. */
-
- if (p != insn && NEXT_INSN (p) != 0
- && GET_CODE (NEXT_INSN (p)) == BARRIER)
- delete_insn (NEXT_INSN (p));
+ /* Now emit a BARRIER after the unconditional jump. Do not bother
+ deleting any unreachable code, let jump/flow do that. */
+ if (NEXT_INSN (insn) != 0
+ && GET_CODE (NEXT_INSN (insn)) != BARRIER)
+ emit_barrier_after (insn);
cse_jumps_altered = 1;
sets[i].rtl = 0;
@@ -9035,9 +9005,6 @@ cse_basic_block (from, to, next_branch, around_loop)
insn = NEXT_INSN (to);
- if (LABEL_NUSES (to) == 0)
- insn = delete_insn (to);
-
/* If TO was the last insn in the function, we are done. */
if (insn == 0)
return 0;
diff --git a/gnu/egcs/gcc/function.c b/gnu/egcs/gcc/function.c
index 5592e482e2f..60afafa9c19 100644
--- a/gnu/egcs/gcc/function.c
+++ b/gnu/egcs/gcc/function.c
@@ -6695,7 +6695,10 @@ void
thread_prologue_and_epilogue_insns (f)
rtx f ATTRIBUTE_UNUSED;
{
- int insertted = 0;
+ int inserted = 0;
+#ifdef HAVE_prologue
+ rtx prologue_end = NULL_RTX;
+#endif
prologue = 0;
#ifdef HAVE_prologue
@@ -6712,7 +6715,7 @@ thread_prologue_and_epilogue_insns (f)
seq = get_insns ();
prologue = record_insns (seq);
- emit_note (NULL, NOTE_INSN_PROLOGUE_END);
+ prologue_end = emit_note (NULL, NOTE_INSN_PROLOGUE_END);
seq = gen_sequence ();
end_sequence ();
@@ -6725,7 +6728,7 @@ thread_prologue_and_epilogue_insns (f)
abort ();
insert_insn_on_edge (seq, ENTRY_BLOCK_PTR->succ);
- insertted = 1;
+ inserted = 1;
}
else
emit_insn_after (seq, f);
@@ -6857,8 +6860,56 @@ thread_prologue_and_epilogue_insns (f)
}
#endif
- if (insertted)
+ if (inserted)
commit_edge_insertions ();
+
+#ifdef HAVE_prologue
+ if (prologue_end)
+ {
+ rtx insn, prev;
+
+ /* GDB handles `break f' by setting a breakpoint on the first
+ line note *after* the prologue. Which means (1) that if
+ there are line number notes before where we inserted the
+ prologue we should move them, and (2) if there is no such
+ note, then we should generate one at the prologue. */
+
+ for (insn = prologue_end; insn ; insn = prev)
+ {
+ prev = PREV_INSN (insn);
+ if (GET_CODE (insn) == NOTE && NOTE_LINE_NUMBER (insn) > 0)
+ {
+ /* Note that we cannot reorder the first insn in the
+ chain, since rest_of_compilation relies on that
+ remaining constant. Do the next best thing. */
+ if (prev == NULL)
+ {
+ emit_line_note_after (NOTE_SOURCE_FILE (insn),
+ NOTE_LINE_NUMBER (insn),
+ prologue_end);
+ NOTE_LINE_NUMBER (insn) = NOTE_INSN_DELETED;
+ }
+ else
+ reorder_insns (insn, insn, prologue_end);
+ }
+ }
+
+ insn = NEXT_INSN (prologue_end);
+ if (! insn || GET_CODE (insn) != NOTE || NOTE_LINE_NUMBER (insn) <= 0)
+ {
+ for (insn = next_active_insn (f); insn ; insn = PREV_INSN (insn))
+ {
+ if (GET_CODE (insn) == NOTE && NOTE_LINE_NUMBER (insn) > 0)
+ {
+ emit_line_note_after (NOTE_SOURCE_FILE (insn),
+ NOTE_LINE_NUMBER (insn),
+ prologue_end);
+ break;
+ }
+ }
+ }
+ }
+ #endif
}
/* Reposition the prologue-end and epilogue-begin notes after instruction
diff --git a/gnu/egcs/gcc/invoke.texi b/gnu/egcs/gcc/invoke.texi
index 230174c036c..b7faa6b78c8 100644
--- a/gnu/egcs/gcc/invoke.texi
+++ b/gnu/egcs/gcc/invoke.texi
@@ -93,7 +93,7 @@ in the following sections.
@item C Language Options
@xref{C Dialect Options,,Options Controlling C Dialect}.
@smallexample
--ansi -flang-isoc9x -fallow-single-precision -fcond-mismatch -fno-asm
+-ansi -fstd -fallow-single-precision -fcond-mismatch -fno-asm
-fno-builtin -ffreestanding -fhosted -fsigned-bitfields -fsigned-char
-funsigned-bitfields -funsigned-char -fwritable-strings
-traditional -traditional-cpp -trigraphs
@@ -667,14 +667,37 @@ programs that might use these names for other things.
The functions @code{alloca}, @code{abort}, @code{exit}, and
@code{_exit} are not builtin functions when @samp{-ansi} is used.
-@item -flang-isoc9x
-Enable support for features found in the C9X standard. In particular,
-enable support for the C9X @code{restrict} keyword.
+@item -fstd=
+Determine the language standard. A value for this option must be provided;
+possible values are
-Even when this option is not specified, you can still use some C9X
-features in so far as they do not conflict with previous C standards.
-For example, you may use @code{__restrict__} even when -flang-isoc9x
-is not specified.
+@itemize @minus
+@item iso9899:1990
+Same as -ansi
+
+@item iso9899:199409
+ISO C as modified in amend. 1
+
+@item iso9899:199x
+ISO C 9x
+
+@item c89
+same as -std=iso9899:1990
+
+@item c9x
+same as -std=iso9899:199x
+
+@item gnu89
+default, iso9899:1990 + gnu extensions
+
+@item gnu9x
+iso9899:199x + gnu extensions
+@end itemize
+
+Even when this option is not specified, you can still use some of the
+features of newer standards in so far as they do not conflict with
+previous C standards. For example, you may use @code{__restrict__} even
+when -fstd=c9x is not specified.
@item -fno-asm
Do not recognize @code{asm}, @code{inline} or @code{typeof} as a
@@ -1163,7 +1186,7 @@ anachronism. Therefore, by default it is invalid to assign to
type @samp{X *}. However, for backwards compatibility, you can make it
valid with @samp{-fthis-is-variable}.
-@item -fvtable-thunks
+@item -fvtable-thunks=@var{thunks-version}
Use @samp{thunks} to implement the virtual function dispatch table
(@samp{vtable}). The traditional (cfront-style) approach to
implementing vtables was to store a pointer to the function and two
@@ -1171,13 +1194,27 @@ offsets for adjusting the @samp{this} pointer at the call site. Newer
implementations store a single pointer to a @samp{thunk} function which
does any necessary adjustment and then calls the target function.
+The original implementation of thunks (version 1) had a bug regarding
+virtual base classes; this bug is fixed with version 2 of the thunks
+implementation. With setting the version to 2, compatibility to the
+version 1 thunks is provided, at the cost of extra machine code. Version
+3 does not include this compatibility.
+
This option also enables a heuristic for controlling emission of
vtables; if a class has any non-inline virtual functions, the vtable
will be emitted in the translation unit containing the first one of
those.
Like all options that change the ABI, all C++ code, @emph{including
-libgcc.a} must be built with the same setting of this option.
+libgcc.a} must be built with the same setting of this option. Since
+version 1 and version 2 are also incompatible (for classes with virtual
+bases defining virtual functions), all code must also be compiled with
+the same version.
+
+On some targets (e.g. Linux/GNU), version 2 thunks are the default. On these
+targets, no option or -fvtable-thunks will produce version 2 thunks. On
+all other targets, not giving the option will use the traditional
+implementation, and -fvtable-thunks will produce version 2 thunks.
@item -nostdinc++
Do not search for header files in the standard directories specific to
diff --git a/gnu/egcs/gcc/toplev.c b/gnu/egcs/gcc/toplev.c
index 9dac1fdbd9c..99e0b719ba3 100644
--- a/gnu/egcs/gcc/toplev.c
+++ b/gnu/egcs/gcc/toplev.c
@@ -1,5 +1,5 @@
/* Top level of GNU C compiler
- Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1987, 88, 89, 92-99, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -3870,13 +3870,15 @@ rest_of_compilation (decl)
TIMEVAR (cse_time, tem = cse_main (insns, max_reg_num (),
0, rtl_dump_file));
- TIMEVAR (cse_time, delete_trivially_dead_insns (insns, max_reg_num ()));
-
if (tem || optimize > 1)
TIMEVAR (jump_time, jump_optimize (insns, !JUMP_CROSS_JUMP,
!JUMP_NOOP_MOVES,
!JUMP_AFTER_REGSCAN));
+ /* Run this after jump optmizations remove all the unreachable code
+ so that unreachable code will not keep values live. */
+ TIMEVAR (cse_time, delete_trivially_dead_insns (insns, max_reg_num ()));
+
/* Dump rtl code after cse, if we are doing that. */
if (cse_dump)